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-rw-r--r--net/8021q/vlan_core.c2
-rw-r--r--net/8021q/vlan_dev.c2
-rw-r--r--net/9p/trans_virtio.c17
-rw-r--r--net/atm/atm_misc.c2
-rw-r--r--net/atm/br2684.c9
-rw-r--r--net/atm/clip.c2
-rw-r--r--net/atm/common.c2
-rw-r--r--net/atm/lec.c2
-rw-r--r--net/atm/proc.c2
-rw-r--r--net/batman-adv/soft-interface.c10
-rw-r--r--net/bluetooth/af_bluetooth.c6
-rw-r--r--net/bluetooth/bnep/bnep.h1
-rw-r--r--net/bluetooth/bnep/core.c13
-rw-r--r--net/bluetooth/bnep/netdev.c1
-rw-r--r--net/bluetooth/cmtp/capi.c3
-rw-r--r--net/bluetooth/cmtp/cmtp.h1
-rw-r--r--net/bluetooth/cmtp/core.c20
-rw-r--r--net/bluetooth/hci_core.c8
-rw-r--r--net/bluetooth/hci_event.c17
-rw-r--r--net/bluetooth/hidp/core.c19
-rw-r--r--net/bluetooth/l2cap_core.c6
-rw-r--r--net/bluetooth/l2cap_sock.c30
-rw-r--r--net/bluetooth/rfcomm/core.c17
-rw-r--r--net/bluetooth/rfcomm/sock.c28
-rw-r--r--net/bluetooth/sco.c28
-rw-r--r--net/bridge/br_device.c3
-rw-r--r--net/bridge/br_fdb.c2
-rw-r--r--net/bridge/br_if.c14
-rw-r--r--net/bridge/br_multicast.c21
-rw-r--r--net/bridge/br_netlink.c2
-rw-r--r--net/bridge/br_notify.c7
-rw-r--r--net/bridge/br_private.h1
-rw-r--r--net/bridge/br_private_stp.h3
-rw-r--r--net/bridge/br_stp.c31
-rw-r--r--net/bridge/br_stp_bpdu.c15
-rw-r--r--net/bridge/br_stp_if.c3
-rw-r--r--net/bridge/br_stp_timer.c1
-rw-r--r--net/bridge/netfilter/Kconfig2
-rw-r--r--net/bridge/netfilter/ebt_ulog.c1
-rw-r--r--net/bridge/netfilter/ebtables.c3
-rw-r--r--net/caif/caif_dev.c6
-rw-r--r--net/can/af_can.c2
-rw-r--r--net/can/bcm.c53
-rw-r--r--net/ceph/ceph_common.c1
-rw-r--r--net/ceph/messenger.c13
-rw-r--r--net/ceph/msgpool.c40
-rw-r--r--net/ceph/osd_client.c32
-rw-r--r--net/ceph/osdmap.c84
-rw-r--r--net/core/Makefile2
-rw-r--r--net/core/dev.c12
-rw-r--r--net/core/fib_rules.c4
-rw-r--r--net/core/flow.c38
-rw-r--r--net/core/link_watch.c2
-rw-r--r--net/core/neighbour.c8
-rw-r--r--net/core/netpoll.c4
-rw-r--r--net/core/pktgen.c8
-rw-r--r--net/core/scm.c2
-rw-r--r--net/core/secure_seq.c184
-rw-r--r--net/core/skbuff.c39
-rw-r--r--net/dccp/ipv4.c1
-rw-r--r--net/dccp/ipv6.c9
-rw-r--r--net/decnet/dn_fib.c2
-rw-r--r--net/decnet/dn_neigh.c2
-rw-r--r--net/decnet/dn_table.c2
-rw-r--r--net/decnet/dn_timer.c2
-rw-r--r--net/ethernet/eth.c2
-rw-r--r--net/ipv4/af_inet.c7
-rw-r--r--net/ipv4/cipso_ipv4.c2
-rw-r--r--net/ipv4/devinet.c16
-rw-r--r--net/ipv4/fib_semantics.c10
-rw-r--r--net/ipv4/gre.c21
-rw-r--r--net/ipv4/igmp.c4
-rw-r--r--net/ipv4/inet_hashtables.c1
-rw-r--r--net/ipv4/inetpeer.c1
-rw-r--r--net/ipv4/ip_output.c11
-rw-r--r--net/ipv4/ip_sockglue.c9
-rw-r--r--net/ipv4/ipmr.c2
-rw-r--r--net/ipv4/netfilter.c18
-rw-r--r--net/ipv4/netfilter/ip_queue.c12
-rw-r--r--net/ipv4/netfilter/nf_nat_proto_common.c1
-rw-r--r--net/ipv4/proc.c2
-rw-r--r--net/ipv4/raw.c5
-rw-r--r--net/ipv4/route.c26
-rw-r--r--net/ipv4/syncookies.c2
-rw-r--r--net/ipv4/tcp_input.c6
-rw-r--r--net/ipv4/tcp_ipv4.c61
-rw-r--r--net/ipv6/addrconf.c8
-rw-r--r--net/ipv6/datagram.c16
-rw-r--r--net/ipv6/inet6_hashtables.c1
-rw-r--r--net/ipv6/ip6_fib.c2
-rw-r--r--net/ipv6/ip6_flowlabel.c8
-rw-r--r--net/ipv6/ip6_output.c13
-rw-r--r--net/ipv6/ip6_tunnel.c2
-rw-r--r--net/ipv6/ip6mr.c8
-rw-r--r--net/ipv6/ipv6_sockglue.c11
-rw-r--r--net/ipv6/mcast.c2
-rw-r--r--net/ipv6/netfilter/ip6_queue.c12
-rw-r--r--net/ipv6/raw.c4
-rw-r--r--net/ipv6/route.c72
-rw-r--r--net/ipv6/sit.c3
-rw-r--r--net/ipv6/syncookies.c2
-rw-r--r--net/ipv6/tcp_ipv6.c43
-rw-r--r--net/ipv6/udp.c4
-rw-r--r--net/irda/irsysctl.c6
-rw-r--r--net/irda/qos.c6
-rw-r--r--net/iucv/iucv.c9
-rw-r--r--net/l2tp/l2tp_core.c2
-rw-r--r--net/l2tp/l2tp_eth.c2
-rw-r--r--net/l2tp/l2tp_ppp.c2
-rw-r--r--net/mac80211/agg-rx.c10
-rw-r--r--net/mac80211/cfg.c4
-rw-r--r--net/mac80211/driver-ops.h31
-rw-r--r--net/mac80211/driver-trace.h43
-rw-r--r--net/mac80211/ieee80211_i.h7
-rw-r--r--net/mac80211/iface.c1
-rw-r--r--net/mac80211/key.c2
-rw-r--r--net/mac80211/main.c2
-rw-r--r--net/mac80211/mesh_hwmp.c20
-rw-r--r--net/mac80211/mlme.c30
-rw-r--r--net/mac80211/pm.c3
-rw-r--r--net/mac80211/scan.c6
-rw-r--r--net/mac80211/sta_info.c6
-rw-r--r--net/mac80211/tkip.c11
-rw-r--r--net/mac80211/util.c71
-rw-r--r--net/mac80211/work.c28
-rw-r--r--net/netfilter/ipvs/ip_vs_ctl.c3
-rw-r--r--net/netfilter/nf_conntrack_pptp.c1
-rw-r--r--net/netfilter/nf_conntrack_proto_tcp.c6
-rw-r--r--net/netfilter/nf_queue.c1
-rw-r--r--net/netfilter/nfnetlink_log.c2
-rw-r--r--net/netfilter/nfnetlink_queue.c6
-rw-r--r--net/netfilter/xt_rateest.c9
-rw-r--r--net/netlabel/Makefile2
-rw-r--r--net/netlabel/netlabel_addrlist.c2
-rw-r--r--net/netlabel/netlabel_addrlist.h2
-rw-r--r--net/netlabel/netlabel_cipso_v4.c4
-rw-r--r--net/netlabel/netlabel_cipso_v4.h2
-rw-r--r--net/netlabel/netlabel_domainhash.c5
-rw-r--r--net/netlabel/netlabel_domainhash.h2
-rw-r--r--net/netlabel/netlabel_kapi.c24
-rw-r--r--net/netlabel/netlabel_mgmt.c4
-rw-r--r--net/netlabel/netlabel_mgmt.h4
-rw-r--r--net/netlabel/netlabel_unlabeled.c7
-rw-r--r--net/netlabel/netlabel_unlabeled.h2
-rw-r--r--net/netlabel/netlabel_user.c2
-rw-r--r--net/netlabel/netlabel_user.h2
-rw-r--r--net/packet/af_packet.c5
-rw-r--r--net/rds/iw_rdma.c13
-rw-r--r--net/rds/page.c1
-rw-r--r--net/sched/act_mirred.c3
-rw-r--r--net/sched/cls_rsvp.h27
-rw-r--r--net/sched/sch_prio.c2
-rw-r--r--net/sched/sch_sfq.c7
-rw-r--r--net/sctp/sm_sideeffect.c5
-rw-r--r--net/sctp/sm_statefuns.c6
-rw-r--r--net/socket.c79
-rw-r--r--net/sunrpc/Kconfig4
-rw-r--r--net/sunrpc/Makefile2
-rw-r--r--net/sunrpc/auth_gss/gss_krb5_mech.c7
-rw-r--r--net/sunrpc/auth_gss/gss_mech_switch.c32
-rw-r--r--net/sunrpc/backchannel_rqst.c7
-rw-r--r--net/sunrpc/bc_svc.c3
-rw-r--r--net/sunrpc/clnt.c15
-rw-r--r--net/sunrpc/sched.c38
-rw-r--r--net/sunrpc/svc.c6
-rw-r--r--net/sunrpc/svc_xprt.c11
-rw-r--r--net/sunrpc/svcauth_unix.c79
-rw-r--r--net/sunrpc/svcsock.c16
-rw-r--r--net/sunrpc/xdr.c2
-rw-r--r--net/sunrpc/xprt.c258
-rw-r--r--net/sunrpc/xprtrdma/transport.c6
-rw-r--r--net/sunrpc/xprtrdma/xprt_rdma.h4
-rw-r--r--net/sunrpc/xprtsock.c57
-rw-r--r--net/tipc/core.h2
-rw-r--r--net/wireless/core.c14
-rw-r--r--net/wireless/core.h4
-rw-r--r--net/wireless/nl80211.c114
-rw-r--r--net/wireless/reg.c8
-rw-r--r--net/wireless/scan.c4
-rw-r--r--net/wireless/sme.c2
-rw-r--r--net/wireless/sysfs.c6
-rw-r--r--net/wireless/util.c38
-rw-r--r--net/xfrm/xfrm_algo.c4
-rw-r--r--net/xfrm/xfrm_input.c5
-rw-r--r--net/xfrm/xfrm_policy.c10
185 files changed, 1721 insertions, 918 deletions
diff --git a/net/8021q/vlan_core.c b/net/8021q/vlan_core.c
index 5f27f8e3025..f1f2f7bb666 100644
--- a/net/8021q/vlan_core.c
+++ b/net/8021q/vlan_core.c
@@ -167,6 +167,8 @@ struct sk_buff *vlan_untag(struct sk_buff *skb)
if (unlikely(!skb))
goto err_free;
+ skb_reset_network_header(skb);
+ skb_reset_transport_header(skb);
return skb;
err_free:
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index 934e221c1d0..9d40a071d03 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -695,7 +695,7 @@ void vlan_setup(struct net_device *dev)
ether_setup(dev);
dev->priv_flags |= IFF_802_1Q_VLAN;
- dev->priv_flags &= ~IFF_XMIT_DST_RELEASE;
+ dev->priv_flags &= ~(IFF_XMIT_DST_RELEASE | IFF_TX_SKB_SHARING);
dev->tx_queue_len = 0;
dev->netdev_ops = &vlan_netdev_ops;
diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c
index 175b5135bdc..e317583fcc7 100644
--- a/net/9p/trans_virtio.c
+++ b/net/9p/trans_virtio.c
@@ -263,7 +263,6 @@ p9_virtio_request(struct p9_client *client, struct p9_req_t *req)
{
int in, out, inp, outp;
struct virtio_chan *chan = client->trans;
- char *rdata = (char *)req->rc+sizeof(struct p9_fcall);
unsigned long flags;
size_t pdata_off = 0;
struct trans_rpage_info *rpinfo = NULL;
@@ -346,7 +345,8 @@ req_retry_pinned:
* Arrange in such a way that server places header in the
* alloced memory and payload onto the user buffer.
*/
- inp = pack_sg_list(chan->sg, out, VIRTQUEUE_NUM, rdata, 11);
+ inp = pack_sg_list(chan->sg, out,
+ VIRTQUEUE_NUM, req->rc->sdata, 11);
/*
* Running executables in the filesystem may result in
* a read request with kernel buffer as opposed to user buffer.
@@ -366,8 +366,8 @@ req_retry_pinned:
}
in += inp;
} else {
- in = pack_sg_list(chan->sg, out, VIRTQUEUE_NUM, rdata,
- req->rc->capacity);
+ in = pack_sg_list(chan->sg, out, VIRTQUEUE_NUM,
+ req->rc->sdata, req->rc->capacity);
}
err = virtqueue_add_buf(chan->vq, chan->sg, out, in, req->tc);
@@ -592,7 +592,14 @@ static struct p9_trans_module p9_virtio_trans = {
.close = p9_virtio_close,
.request = p9_virtio_request,
.cancel = p9_virtio_cancel,
- .maxsize = PAGE_SIZE*VIRTQUEUE_NUM,
+
+ /*
+ * We leave one entry for input and one entry for response
+ * headers. We also skip one more entry to accomodate, address
+ * that are not at page boundary, that can result in an extra
+ * page in zero copy.
+ */
+ .maxsize = PAGE_SIZE * (VIRTQUEUE_NUM - 3),
.pref = P9_TRANS_PREF_PAYLOAD_SEP,
.def = 0,
.owner = THIS_MODULE,
diff --git a/net/atm/atm_misc.c b/net/atm/atm_misc.c
index fc63526d869..f41f02656ff 100644
--- a/net/atm/atm_misc.c
+++ b/net/atm/atm_misc.c
@@ -9,7 +9,7 @@
#include <linux/sonet.h>
#include <linux/bitops.h>
#include <linux/errno.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
int atm_charge(struct atm_vcc *vcc, int truesize)
{
diff --git a/net/atm/br2684.c b/net/atm/br2684.c
index 2252c2085da..d07223c834a 100644
--- a/net/atm/br2684.c
+++ b/net/atm/br2684.c
@@ -242,8 +242,6 @@ static int br2684_xmit_vcc(struct sk_buff *skb, struct net_device *dev,
if (brdev->payload == p_bridged) {
skb_push(skb, 2);
memset(skb->data, 0, 2);
- } else { /* p_routed */
- skb_pull(skb, ETH_HLEN);
}
}
skb_debug(skb);
@@ -560,12 +558,13 @@ static int br2684_regvcc(struct atm_vcc *atmvcc, void __user * arg)
spin_unlock_irqrestore(&rq->lock, flags);
skb_queue_walk_safe(&queue, skb, tmp) {
- struct net_device *dev = skb->dev;
+ struct net_device *dev;
+
+ br2684_push(atmvcc, skb);
+ dev = skb->dev;
dev->stats.rx_bytes -= skb->len;
dev->stats.rx_packets--;
-
- br2684_push(atmvcc, skb);
}
/* initialize netdev carrier state */
diff --git a/net/atm/clip.c b/net/atm/clip.c
index 4bc8c67ecb1..852394072fa 100644
--- a/net/atm/clip.c
+++ b/net/atm/clip.c
@@ -37,7 +37,7 @@
#include <linux/uaccess.h>
#include <asm/byteorder.h> /* for htons etc. */
#include <asm/system.h> /* save/restore_flags */
-#include <asm/atomic.h>
+#include <linux/atomic.h>
#include "common.h"
#include "resources.h"
diff --git a/net/atm/common.c b/net/atm/common.c
index 22b963d06a1..14ff9fe3998 100644
--- a/net/atm/common.c
+++ b/net/atm/common.c
@@ -23,7 +23,7 @@
#include <linux/uaccess.h>
#include <linux/poll.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
#include "resources.h" /* atm_find_dev */
#include "common.h" /* prototypes */
diff --git a/net/atm/lec.c b/net/atm/lec.c
index ba48daa68c1..215c9fad7cd 100644
--- a/net/atm/lec.c
+++ b/net/atm/lec.c
@@ -1335,7 +1335,7 @@ static void lane2_associate_ind(struct net_device *dev, const u8 *mac_addr,
#include <linux/types.h>
#include <linux/timer.h>
#include <linux/param.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
#include <linux/inetdevice.h>
#include <net/route.h>
diff --git a/net/atm/proc.c b/net/atm/proc.c
index be3afdefec5..0d020de8d23 100644
--- a/net/atm/proc.c
+++ b/net/atm/proc.c
@@ -27,7 +27,7 @@
#include <net/atmclip.h>
#include <linux/uaccess.h>
#include <linux/param.h> /* for HZ */
-#include <asm/atomic.h>
+#include <linux/atomic.h>
#include "resources.h"
#include "common.h" /* atm_proc_init prototype */
#include "signaling.h" /* to get sigd - ugly too */
diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c
index 3e2f91ffa4e..05dd35114a2 100644
--- a/net/batman-adv/soft-interface.c
+++ b/net/batman-adv/soft-interface.c
@@ -565,7 +565,7 @@ static int interface_tx(struct sk_buff *skb, struct net_device *soft_iface)
struct orig_node *orig_node = NULL;
int data_len = skb->len, ret;
short vid = -1;
- bool do_bcast = false;
+ bool do_bcast;
if (atomic_read(&bat_priv->mesh_state) != MESH_ACTIVE)
goto dropped;
@@ -598,15 +598,15 @@ static int interface_tx(struct sk_buff *skb, struct net_device *soft_iface)
tt_local_add(soft_iface, ethhdr->h_source);
orig_node = transtable_search(bat_priv, ethhdr->h_dest);
- if (is_multicast_ether_addr(ethhdr->h_dest) ||
- (orig_node && orig_node->gw_flags)) {
+ do_bcast = is_multicast_ether_addr(ethhdr->h_dest);
+ if (do_bcast || (orig_node && orig_node->gw_flags)) {
ret = gw_is_target(bat_priv, skb, orig_node);
if (ret < 0)
goto dropped;
- if (ret == 0)
- do_bcast = true;
+ if (ret)
+ do_bcast = false;
}
/* ethernet packet should be broadcasted */
diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c
index 8add9b49991..117e0d16178 100644
--- a/net/bluetooth/af_bluetooth.c
+++ b/net/bluetooth/af_bluetooth.c
@@ -494,9 +494,8 @@ int bt_sock_wait_state(struct sock *sk, int state, unsigned long timeo)
BT_DBG("sk %p", sk);
add_wait_queue(sk_sleep(sk), &wait);
+ set_current_state(TASK_INTERRUPTIBLE);
while (sk->sk_state != state) {
- set_current_state(TASK_INTERRUPTIBLE);
-
if (!timeo) {
err = -EINPROGRESS;
break;
@@ -510,12 +509,13 @@ int bt_sock_wait_state(struct sock *sk, int state, unsigned long timeo)
release_sock(sk);
timeo = schedule_timeout(timeo);
lock_sock(sk);
+ set_current_state(TASK_INTERRUPTIBLE);
err = sock_error(sk);
if (err)
break;
}
- set_current_state(TASK_RUNNING);
+ __set_current_state(TASK_RUNNING);
remove_wait_queue(sk_sleep(sk), &wait);
return err;
}
diff --git a/net/bluetooth/bnep/bnep.h b/net/bluetooth/bnep/bnep.h
index 8e6c06158f8..e7ee5314f39 100644
--- a/net/bluetooth/bnep/bnep.h
+++ b/net/bluetooth/bnep/bnep.h
@@ -155,6 +155,7 @@ struct bnep_session {
unsigned int role;
unsigned long state;
unsigned long flags;
+ atomic_t terminate;
struct task_struct *task;
struct ethhdr eh;
diff --git a/net/bluetooth/bnep/core.c b/net/bluetooth/bnep/core.c
index ca39fcf010c..d9edfe8bf9d 100644
--- a/net/bluetooth/bnep/core.c
+++ b/net/bluetooth/bnep/core.c
@@ -484,9 +484,11 @@ static int bnep_session(void *arg)
init_waitqueue_entry(&wait, current);
add_wait_queue(sk_sleep(sk), &wait);
- while (!kthread_should_stop()) {
+ while (1) {
set_current_state(TASK_INTERRUPTIBLE);
+ if (atomic_read(&s->terminate))
+ break;
/* RX */
while ((skb = skb_dequeue(&sk->sk_receive_queue))) {
skb_orphan(skb);
@@ -504,7 +506,7 @@ static int bnep_session(void *arg)
schedule();
}
- set_current_state(TASK_RUNNING);
+ __set_current_state(TASK_RUNNING);
remove_wait_queue(sk_sleep(sk), &wait);
/* Cleanup session */
@@ -640,9 +642,10 @@ int bnep_del_connection(struct bnep_conndel_req *req)
down_read(&bnep_session_sem);
s = __bnep_get_session(req->dst);
- if (s)
- kthread_stop(s->task);
- else
+ if (s) {
+ atomic_inc(&s->terminate);
+ wake_up_process(s->task);
+ } else
err = -ENOENT;
up_read(&bnep_session_sem);
diff --git a/net/bluetooth/bnep/netdev.c b/net/bluetooth/bnep/netdev.c
index 8c100c9dae2..d4f5dff7c95 100644
--- a/net/bluetooth/bnep/netdev.c
+++ b/net/bluetooth/bnep/netdev.c
@@ -231,6 +231,7 @@ void bnep_net_setup(struct net_device *dev)
dev->addr_len = ETH_ALEN;
ether_setup(dev);
+ dev->priv_flags &= ~IFF_TX_SKB_SHARING;
dev->netdev_ops = &bnep_netdev_ops;
dev->watchdog_timeo = HZ * 2;
diff --git a/net/bluetooth/cmtp/capi.c b/net/bluetooth/cmtp/capi.c
index 040f67b1297..50f0d135eb8 100644
--- a/net/bluetooth/cmtp/capi.c
+++ b/net/bluetooth/cmtp/capi.c
@@ -386,7 +386,8 @@ static void cmtp_reset_ctr(struct capi_ctr *ctrl)
capi_ctr_down(ctrl);
- kthread_stop(session->task);
+ atomic_inc(&session->terminate);
+ wake_up_process(session->task);
}
static void cmtp_register_appl(struct capi_ctr *ctrl, __u16 appl, capi_register_params *rp)
diff --git a/net/bluetooth/cmtp/cmtp.h b/net/bluetooth/cmtp/cmtp.h
index db43b54ac9a..c32638dddbf 100644
--- a/net/bluetooth/cmtp/cmtp.h
+++ b/net/bluetooth/cmtp/cmtp.h
@@ -81,6 +81,7 @@ struct cmtp_session {
char name[BTNAMSIZ];
+ atomic_t terminate;
struct task_struct *task;
wait_queue_head_t wait;
diff --git a/net/bluetooth/cmtp/core.c b/net/bluetooth/cmtp/core.c
index c5b11af908b..521baa4fe83 100644
--- a/net/bluetooth/cmtp/core.c
+++ b/net/bluetooth/cmtp/core.c
@@ -292,9 +292,11 @@ static int cmtp_session(void *arg)
init_waitqueue_entry(&wait, current);
add_wait_queue(sk_sleep(sk), &wait);
- while (!kthread_should_stop()) {
+ while (1) {
set_current_state(TASK_INTERRUPTIBLE);
+ if (atomic_read(&session->terminate))
+ break;
if (sk->sk_state != BT_CONNECTED)
break;
@@ -307,7 +309,7 @@ static int cmtp_session(void *arg)
schedule();
}
- set_current_state(TASK_RUNNING);
+ __set_current_state(TASK_RUNNING);
remove_wait_queue(sk_sleep(sk), &wait);
down_write(&cmtp_session_sem);
@@ -380,16 +382,17 @@ int cmtp_add_connection(struct cmtp_connadd_req *req, struct socket *sock)
if (!(session->flags & (1 << CMTP_LOOPBACK))) {
err = cmtp_attach_device(session);
- if (err < 0)
- goto detach;
+ if (err < 0) {
+ atomic_inc(&session->terminate);
+ wake_up_process(session->task);
+ up_write(&cmtp_session_sem);
+ return err;
+ }
}
up_write(&cmtp_session_sem);
return 0;
-detach:
- cmtp_detach_device(session);
-
unlink:
__cmtp_unlink_session(session);
@@ -414,7 +417,8 @@ int cmtp_del_connection(struct cmtp_conndel_req *req)
skb_queue_purge(&session->transmit);
/* Stop session thread */
- kthread_stop(session->task);
+ atomic_inc(&session->terminate);
+ wake_up_process(session->task);
} else
err = -ENOENT;
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index ec0bc3f60f2..56943add45c 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -1209,7 +1209,6 @@ static void hci_cmd_timer(unsigned long arg)
BT_ERR("%s command tx timeout", hdev->name);
atomic_set(&hdev->cmd_cnt, 1);
- clear_bit(HCI_RESET, &hdev->flags);
tasklet_schedule(&hdev->cmd_task);
}
@@ -1327,7 +1326,7 @@ int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr)
entry = kzalloc(sizeof(struct bdaddr_list), GFP_KERNEL);
if (!entry) {
- return -ENOMEM;
+ err = -ENOMEM;
goto err;
}
@@ -2408,7 +2407,10 @@ static void hci_cmd_task(unsigned long arg)
if (hdev->sent_cmd) {
atomic_dec(&hdev->cmd_cnt);
hci_send_frame(skb);
- mod_timer(&hdev->cmd_timer,
+ if (test_bit(HCI_RESET, &hdev->flags))
+ del_timer(&hdev->cmd_timer);
+ else
+ mod_timer(&hdev->cmd_timer,
jiffies + msecs_to_jiffies(HCI_CMD_TIMEOUT));
} else {
skb_queue_head(&hdev->cmd_q, skb);
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index a40170e022e..7ef4eb4435f 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -58,8 +58,8 @@ static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb)
if (status)
return;
- if (test_bit(HCI_MGMT, &hdev->flags) &&
- test_and_clear_bit(HCI_INQUIRY, &hdev->flags))
+ if (test_and_clear_bit(HCI_INQUIRY, &hdev->flags) &&
+ test_bit(HCI_MGMT, &hdev->flags))
mgmt_discovering(hdev->id, 0);
hci_req_complete(hdev, HCI_OP_INQUIRY_CANCEL, status);
@@ -76,8 +76,8 @@ static void hci_cc_exit_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb)
if (status)
return;
- if (test_bit(HCI_MGMT, &hdev->flags) &&
- test_and_clear_bit(HCI_INQUIRY, &hdev->flags))
+ if (test_and_clear_bit(HCI_INQUIRY, &hdev->flags) &&
+ test_bit(HCI_MGMT, &hdev->flags))
mgmt_discovering(hdev->id, 0);
hci_conn_check_pending(hdev);
@@ -959,9 +959,8 @@ static inline void hci_cs_inquiry(struct hci_dev *hdev, __u8 status)
return;
}
- if (test_bit(HCI_MGMT, &hdev->flags) &&
- !test_and_set_bit(HCI_INQUIRY,
- &hdev->flags))
+ if (!test_and_set_bit(HCI_INQUIRY, &hdev->flags) &&
+ test_bit(HCI_MGMT, &hdev->flags))
mgmt_discovering(hdev->id, 1);
}
@@ -1340,8 +1339,8 @@ static inline void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff
BT_DBG("%s status %d", hdev->name, status);
- if (test_bit(HCI_MGMT, &hdev->flags) &&
- test_and_clear_bit(HCI_INQUIRY, &hdev->flags))
+ if (test_and_clear_bit(HCI_INQUIRY, &hdev->flags) &&
+ test_bit(HCI_MGMT, &hdev->flags))
mgmt_discovering(hdev->id, 0);
hci_req_complete(hdev, HCI_OP_INQUIRY, status);
diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c
index 43b4c2deb7c..fb68f344c34 100644
--- a/net/bluetooth/hidp/core.c
+++ b/net/bluetooth/hidp/core.c
@@ -764,6 +764,7 @@ static int hidp_session(void *arg)
up_write(&hidp_session_sem);
+ kfree(session->rd_data);
kfree(session);
return 0;
}
@@ -841,7 +842,8 @@ static int hidp_setup_input(struct hidp_session *session,
err = input_register_device(input);
if (err < 0) {
- hci_conn_put_device(session->conn);
+ input_free_device(input);
+ session->input = NULL;
return err;
}
@@ -1044,8 +1046,12 @@ int hidp_add_connection(struct hidp_connadd_req *req, struct socket *ctrl_sock,
}
err = hid_add_device(session->hid);
- if (err < 0)
- goto err_add_device;
+ if (err < 0) {
+ atomic_inc(&session->terminate);
+ wake_up_process(session->task);
+ up_write(&hidp_session_sem);
+ return err;
+ }
if (session->input) {
hidp_send_ctrl_message(session,
@@ -1059,12 +1065,6 @@ int hidp_add_connection(struct hidp_connadd_req *req, struct socket *ctrl_sock,
up_write(&hidp_session_sem);
return 0;
-err_add_device:
- hid_destroy_device(session->hid);
- session->hid = NULL;
- atomic_inc(&session->terminate);
- wake_up_process(session->task);
-
unlink:
hidp_del_timer(session);
@@ -1090,7 +1090,6 @@ purge:
failed:
up_write(&hidp_session_sem);
- input_free_device(session->input);
kfree(session);
return err;
}
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index 3204ba8a701..b3bdb482bbe 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -1159,9 +1159,8 @@ int __l2cap_wait_ack(struct sock *sk)
int timeo = HZ/5;
add_wait_queue(sk_sleep(sk), &wait);
- while ((chan->unacked_frames > 0 && chan->conn)) {
- set_current_state(TASK_INTERRUPTIBLE);
-
+ set_current_state(TASK_INTERRUPTIBLE);
+ while (chan->unacked_frames > 0 && chan->conn) {
if (!timeo)
timeo = HZ/5;
@@ -1173,6 +1172,7 @@ int __l2cap_wait_ack(struct sock *sk)
release_sock(sk);
timeo = schedule_timeout(timeo);
lock_sock(sk);
+ set_current_state(TASK_INTERRUPTIBLE);
err = sock_error(sk);
if (err)
diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c
index 5c36b3e8739..61f1f623091 100644
--- a/net/bluetooth/l2cap_sock.c
+++ b/net/bluetooth/l2cap_sock.c
@@ -235,30 +235,26 @@ static int l2cap_sock_accept(struct socket *sock, struct socket *newsock, int fl
lock_sock_nested(sk, SINGLE_DEPTH_NESTING);
- if (sk->sk_state != BT_LISTEN) {
- err = -EBADFD;
- goto done;
- }
-
timeo = sock_rcvtimeo(sk, flags & O_NONBLOCK);
BT_DBG("sk %p timeo %ld", sk, timeo);
/* Wait for an incoming connection. (wake-one). */
add_wait_queue_exclusive(sk_sleep(sk), &wait);
- while (!(nsk = bt_accept_dequeue(sk, newsock))) {
+ while (1) {
set_current_state(TASK_INTERRUPTIBLE);
- if (!timeo) {
- err = -EAGAIN;
+
+ if (sk->sk_state != BT_LISTEN) {
+ err = -EBADFD;
break;
}
- release_sock(sk);
- timeo = schedule_timeout(timeo);
- lock_sock_nested(sk, SINGLE_DEPTH_NESTING);
+ nsk = bt_accept_dequeue(sk, newsock);
+ if (nsk)
+ break;
- if (sk->sk_state != BT_LISTEN) {
- err = -EBADFD;
+ if (!timeo) {
+ err = -EAGAIN;
break;
}
@@ -266,8 +262,12 @@ static int l2cap_sock_accept(struct socket *sock, struct socket *newsock, int fl
err = sock_intr_errno(timeo);
break;
}
+
+ release_sock(sk);
+ timeo = schedule_timeout(timeo);
+ lock_sock_nested(sk, SINGLE_DEPTH_NESTING);
}
- set_current_state(TASK_RUNNING);
+ __set_current_state(TASK_RUNNING);
remove_wait_queue(sk_sleep(sk), &wait);
if (err)
@@ -993,7 +993,7 @@ static struct sock *l2cap_sock_alloc(struct net *net, struct socket *sock, int p
INIT_LIST_HEAD(&bt_sk(sk)->accept_q);
sk->sk_destruct = l2cap_sock_destruct;
- sk->sk_sndtimeo = msecs_to_jiffies(L2CAP_CONN_TIMEOUT);
+ sk->sk_sndtimeo = L2CAP_CONN_TIMEOUT;
sock_reset_flag(sk, SOCK_ZAPPED);
diff --git a/net/bluetooth/rfcomm/core.c b/net/bluetooth/rfcomm/core.c
index 5759bb7054f..5ba3f6df665 100644
--- a/net/bluetooth/rfcomm/core.c
+++ b/net/bluetooth/rfcomm/core.c
@@ -62,7 +62,6 @@ static DEFINE_MUTEX(rfcomm_mutex);
#define rfcomm_lock() mutex_lock(&rfcomm_mutex)
#define rfcomm_unlock() mutex_unlock(&rfcomm_mutex)
-static unsigned long rfcomm_event;
static LIST_HEAD(session_list);
@@ -120,7 +119,6 @@ static inline void rfcomm_schedule(void)
{
if (!rfcomm_thread)
return;
- set_bit(RFCOMM_SCHED_WAKEUP, &rfcomm_event);
wake_up_process(rfcomm_thread);
}
@@ -2038,19 +2036,18 @@ static int rfcomm_run(void *unused)
rfcomm_add_listener(BDADDR_ANY);
- while (!kthread_should_stop()) {
+ while (1) {
set_current_state(TASK_INTERRUPTIBLE);
- if (!test_bit(RFCOMM_SCHED_WAKEUP, &rfcomm_event)) {
- /* No pending events. Let's sleep.
- * Incoming connections and data will wake us up. */
- schedule();
- }
- set_current_state(TASK_RUNNING);
+
+ if (kthread_should_stop())
+ break;
/* Process stuff */
- clear_bit(RFCOMM_SCHED_WAKEUP, &rfcomm_event);
rfcomm_process_sessions();
+
+ schedule();
}
+ __set_current_state(TASK_RUNNING);
rfcomm_kill_listener();
diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c
index 8f01e6b11a7..482722bbc7a 100644
--- a/net/bluetooth/rfcomm/sock.c
+++ b/net/bluetooth/rfcomm/sock.c
@@ -485,11 +485,6 @@ static int rfcomm_sock_accept(struct socket *sock, struct socket *newsock, int f
lock_sock(sk);
- if (sk->sk_state != BT_LISTEN) {
- err = -EBADFD;
- goto done;
- }
-
if (sk->sk_type != SOCK_STREAM) {
err = -EINVAL;
goto done;
@@ -501,19 +496,20 @@ static int rfcomm_sock_accept(struct socket *sock, struct socket *newsock, int f
/* Wait for an incoming connection. (wake-one). */
add_wait_queue_exclusive(sk_sleep(sk), &wait);
- while (!(nsk = bt_accept_dequeue(sk, newsock))) {
+ while (1) {
set_current_state(TASK_INTERRUPTIBLE);
- if (!timeo) {
- err = -EAGAIN;
+
+ if (sk->sk_state != BT_LISTEN) {
+ err = -EBADFD;
break;
}
- release_sock(sk);
- timeo = schedule_timeout(timeo);
- lock_sock(sk);
+ nsk = bt_accept_dequeue(sk, newsock);
+ if (nsk)
+ break;
- if (sk->sk_state != BT_LISTEN) {
- err = -EBADFD;
+ if (!timeo) {
+ err = -EAGAIN;
break;
}
@@ -521,8 +517,12 @@ static int rfcomm_sock_accept(struct socket *sock, struct socket *newsock, int f
err = sock_intr_errno(timeo);
break;
}
+
+ release_sock(sk);
+ timeo = schedule_timeout(timeo);
+ lock_sock(sk);
}
- set_current_state(TASK_RUNNING);
+ __set_current_state(TASK_RUNNING);
remove_wait_queue(sk_sleep(sk), &wait);
if (err)
diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c
index 4c3621b5e0a..8270f05e3f1 100644
--- a/net/bluetooth/sco.c
+++ b/net/bluetooth/sco.c
@@ -564,30 +564,26 @@ static int sco_sock_accept(struct socket *sock, struct socket *newsock, int flag
lock_sock(sk);
- if (sk->sk_state != BT_LISTEN) {
- err = -EBADFD;
- goto done;
- }
-
timeo = sock_rcvtimeo(sk, flags & O_NONBLOCK);
BT_DBG("sk %p timeo %ld", sk, timeo);
/* Wait for an incoming connection. (wake-one). */
add_wait_queue_exclusive(sk_sleep(sk), &wait);
- while (!(ch = bt_accept_dequeue(sk, newsock))) {
+ while (1) {
set_current_state(TASK_INTERRUPTIBLE);
- if (!timeo) {
- err = -EAGAIN;
+
+ if (sk->sk_state != BT_LISTEN) {
+ err = -EBADFD;
break;
}
- release_sock(sk);
- timeo = schedule_timeout(timeo);
- lock_sock(sk);
+ ch = bt_accept_dequeue(sk, newsock);
+ if (ch)
+ break;
- if (sk->sk_state != BT_LISTEN) {
- err = -EBADFD;
+ if (!timeo) {
+ err = -EAGAIN;
break;
}
@@ -595,8 +591,12 @@ static int sco_sock_accept(struct socket *sock, struct socket *newsock, int flag
err = sock_intr_errno(timeo);
break;
}
+
+ release_sock(sk);
+ timeo = schedule_timeout(timeo);
+ lock_sock(sk);
}
- set_current_state(TASK_RUNNING);
+ __set_current_state(TASK_RUNNING);
remove_wait_queue(sk_sleep(sk), &wait);
if (err)
diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c
index 32b8f9f7f79..ff3ed6086ce 100644
--- a/net/bridge/br_device.c
+++ b/net/bridge/br_device.c
@@ -91,7 +91,6 @@ static int br_dev_open(struct net_device *dev)
{
struct net_bridge *br = netdev_priv(dev);
- netif_carrier_off(dev);
netdev_update_features(dev);
netif_start_queue(dev);
br_stp_enable_bridge(br);
@@ -108,8 +107,6 @@ static int br_dev_stop(struct net_device *dev)
{
struct net_bridge *br = netdev_priv(dev);
- netif_carrier_off(dev);
-
br_stp_disable_bridge(br);
br_multicast_stop(br);
diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c
index e0dfbc151dd..68def3b7fb4 100644
--- a/net/bridge/br_fdb.c
+++ b/net/bridge/br_fdb.c
@@ -21,7 +21,7 @@
#include <linux/jhash.h>
#include <linux/random.h>
#include <linux/slab.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
#include <asm/unaligned.h>
#include "br_private.h"
diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c
index 1bacca4cb67..e73815456ad 100644
--- a/net/bridge/br_if.c
+++ b/net/bridge/br_if.c
@@ -231,6 +231,7 @@ static struct net_bridge_port *new_nbp(struct net_bridge *br,
int br_add_bridge(struct net *net, const char *name)
{
struct net_device *dev;
+ int res;
dev = alloc_netdev(sizeof(struct net_bridge), name,
br_dev_setup);
@@ -240,7 +241,10 @@ int br_add_bridge(struct net *net, const char *name)
dev_net_set(dev, net);
- return register_netdev(dev);
+ res = register_netdev(dev);
+ if (res)
+ free_netdev(dev);
+ return res;
}
int br_del_bridge(struct net *net, const char *name)
@@ -388,7 +392,7 @@ int br_add_if(struct net_bridge *br, struct net_device *dev)
br_ifinfo_notify(RTM_NEWLINK, p);
if (changed_addr)
- call_netdevice_notifiers(NETDEV_CHANGEADDR, dev);
+ call_netdevice_notifiers(NETDEV_CHANGEADDR, br->dev);
dev_set_mtu(br->dev, br_min_mtu(br));
@@ -417,6 +421,7 @@ put_back:
int br_del_if(struct net_bridge *br, struct net_device *dev)
{
struct net_bridge_port *p;
+ bool changed_addr;
p = br_port_get_rtnl(dev);
if (!p || p->br != br)
@@ -425,9 +430,12 @@ int br_del_if(struct net_bridge *br, struct net_device *dev)
del_nbp(p);
spin_lock_bh(&br->lock);
- br_stp_recalculate_bridge_id(br);
+ changed_addr = br_stp_recalculate_bridge_id(br);
spin_unlock_bh(&br->lock);
+ if (changed_addr)
+ call_netdevice_notifiers(NETDEV_CHANGEADDR, br->dev);
+
netdev_update_features(br->dev);
return 0;
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index 2d85ca7111d..995cbe0ac0b 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -1456,7 +1456,7 @@ static int br_multicast_ipv6_rcv(struct net_bridge *br,
{
struct sk_buff *skb2;
const struct ipv6hdr *ip6h;
- struct icmp6hdr *icmp6h;
+ u8 icmp6_type;
u8 nexthdr;
unsigned len;
int offset;
@@ -1502,9 +1502,9 @@ static int br_multicast_ipv6_rcv(struct net_bridge *br,
__skb_pull(skb2, offset);
skb_reset_transport_header(skb2);
- icmp6h = icmp6_hdr(skb2);
+ icmp6_type = icmp6_hdr(skb2)->icmp6_type;
- switch (icmp6h->icmp6_type) {
+ switch (icmp6_type) {
case ICMPV6_MGM_QUERY:
case ICMPV6_MGM_REPORT:
case ICMPV6_MGM_REDUCTION:
@@ -1520,16 +1520,23 @@ static int br_multicast_ipv6_rcv(struct net_bridge *br,
err = pskb_trim_rcsum(skb2, len);
if (err)
goto out;
+ err = -EINVAL;
}
+ ip6h = ipv6_hdr(skb2);
+
switch (skb2->ip_summed) {
case CHECKSUM_COMPLETE:
- if (!csum_fold(skb2->csum))
+ if (!csum_ipv6_magic(&ip6h->saddr, &ip6h->daddr, skb2->len,
+ IPPROTO_ICMPV6, skb2->csum))
break;
/*FALLTHROUGH*/
case CHECKSUM_NONE:
- skb2->csum = 0;
- if (skb_checksum_complete(skb2))
+ skb2->csum = ~csum_unfold(csum_ipv6_magic(&ip6h->saddr,
+ &ip6h->daddr,
+ skb2->len,
+ IPPROTO_ICMPV6, 0));
+ if (__skb_checksum_complete(skb2))
goto out;
}
@@ -1537,7 +1544,7 @@ static int br_multicast_ipv6_rcv(struct net_bridge *br,
BR_INPUT_SKB_CB(skb)->igmp = 1;
- switch (icmp6h->icmp6_type) {
+ switch (icmp6_type) {
case ICMPV6_MGM_REPORT:
{
struct mld_msg *mld;
diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c
index 6814083a92f..5b1ed1ba9aa 100644
--- a/net/bridge/br_netlink.c
+++ b/net/bridge/br_netlink.c
@@ -188,6 +188,8 @@ static int br_rtm_setlink(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
p->state = new_state;
br_log_state(p);
+ br_ifinfo_notify(RTM_NEWLINK, p);
+
return 0;
}
diff --git a/net/bridge/br_notify.c b/net/bridge/br_notify.c
index 6545ee9591d..a76b6213555 100644
--- a/net/bridge/br_notify.c
+++ b/net/bridge/br_notify.c
@@ -34,6 +34,7 @@ static int br_device_event(struct notifier_block *unused, unsigned long event, v
struct net_device *dev = ptr;
struct net_bridge_port *p;
struct net_bridge *br;
+ bool changed_addr;
int err;
/* register of bridge completed, add sysfs entries */
@@ -57,8 +58,12 @@ static int br_device_event(struct notifier_block *unused, unsigned long event, v
case NETDEV_CHANGEADDR:
spin_lock_bh(&br->lock);
br_fdb_changeaddr(p, dev->dev_addr);
- br_stp_recalculate_bridge_id(br);
+ changed_addr = br_stp_recalculate_bridge_id(br);
spin_unlock_bh(&br->lock);
+
+ if (changed_addr)
+ call_netdevice_notifiers(NETDEV_CHANGEADDR, br->dev);
+
break;
case NETDEV_CHANGE:
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index 54578f274d8..78cc364997d 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -124,6 +124,7 @@ struct net_bridge_port
bridge_id designated_bridge;
u32 path_cost;
u32 designated_cost;
+ unsigned long designated_age;
struct timer_list forward_delay_timer;
struct timer_list hold_timer;
diff --git a/net/bridge/br_private_stp.h b/net/bridge/br_private_stp.h
index 642ef47a867..05ed9bc7e42 100644
--- a/net/bridge/br_private_stp.h
+++ b/net/bridge/br_private_stp.h
@@ -56,7 +56,8 @@ extern void br_become_root_bridge(struct net_bridge *br);
extern void br_config_bpdu_generation(struct net_bridge *);
extern void br_configuration_update(struct net_bridge *);
extern void br_port_state_selection(struct net_bridge *);
-extern void br_received_config_bpdu(struct net_bridge_port *p, struct br_config_bpdu *bpdu);
+extern void br_received_config_bpdu(struct net_bridge_port *p,
+ const struct br_config_bpdu *bpdu);
extern void br_received_tcn_bpdu(struct net_bridge_port *p);
extern void br_transmit_config(struct net_bridge_port *p);
extern void br_transmit_tcn(struct net_bridge *br);
diff --git a/net/bridge/br_stp.c b/net/bridge/br_stp.c
index bb4383e84de..ad0a3f7cf6c 100644
--- a/net/bridge/br_stp.c
+++ b/net/bridge/br_stp.c
@@ -109,7 +109,6 @@ static void br_root_selection(struct net_bridge *br)
list_for_each_entry(p, &br->port_list, list) {
if (br_should_become_root_port(p, root_port))
root_port = p->port_no;
-
}
br->root_port = root_port;
@@ -145,7 +144,6 @@ void br_transmit_config(struct net_bridge_port *p)
struct br_config_bpdu bpdu;
struct net_bridge *br;
-
if (timer_pending(&p->hold_timer)) {
p->config_pending = 1;
return;
@@ -164,8 +162,7 @@ void br_transmit_config(struct net_bridge_port *p)
else {
struct net_bridge_port *root
= br_get_port(br, br->root_port);
- bpdu.message_age = br->max_age
- - (root->message_age_timer.expires - jiffies)
+ bpdu.message_age = (jiffies - root->designated_age)
+ MESSAGE_AGE_INCR;
}
bpdu.max_age = br->max_age;
@@ -182,20 +179,21 @@ void br_transmit_config(struct net_bridge_port *p)
}
/* called under bridge lock */
-static inline void br_record_config_information(struct net_bridge_port *p,
- const struct br_config_bpdu *bpdu)
+static void br_record_config_information(struct net_bridge_port *p,
+ const struct br_config_bpdu *bpdu)
{
p->designated_root = bpdu->root;
p->designated_cost = bpdu->root_path_cost;
p->designated_bridge = bpdu->bridge_id;
p->designated_port = bpdu->port_id;
+ p->designated_age = jiffies + bpdu->message_age;
mod_timer(&p->message_age_timer, jiffies
+ (p->br->max_age - bpdu->message_age));
}
/* called under bridge lock */
-static inline void br_record_config_timeout_values(struct net_bridge *br,
+static void br_record_config_timeout_values(struct net_bridge *br,
const struct br_config_bpdu *bpdu)
{
br->max_age = bpdu->max_age;
@@ -254,7 +252,8 @@ static void br_designated_port_selection(struct net_bridge *br)
}
/* called under bridge lock */
-static int br_supersedes_port_info(struct net_bridge_port *p, struct br_config_bpdu *bpdu)
+static int br_supersedes_port_info(const struct net_bridge_port *p,
+ const struct br_config_bpdu *bpdu)
{
int t;
@@ -285,7 +284,7 @@ static int br_supersedes_port_info(struct net_bridge_port *p, struct br_config_b
}
/* called under bridge lock */
-static inline void br_topology_change_acknowledged(struct net_bridge *br)
+static void br_topology_change_acknowledged(struct net_bridge *br)
{
br->topology_change_detected = 0;
del_timer(&br->tcn_timer);
@@ -327,7 +326,7 @@ void br_config_bpdu_generation(struct net_bridge *br)
}
/* called under bridge lock */
-static inline void br_reply(struct net_bridge_port *p)
+static void br_reply(struct net_bridge_port *p)
{
br_transmit_config(p);
}
@@ -363,6 +362,8 @@ static void br_make_blocking(struct net_bridge_port *p)
p->state = BR_STATE_BLOCKING;
br_log_state(p);
+ br_ifinfo_notify(RTM_NEWLINK, p);
+
del_timer(&p->forward_delay_timer);
}
}
@@ -379,15 +380,14 @@ static void br_make_forwarding(struct net_bridge_port *p)
p->state = BR_STATE_FORWARDING;
br_topology_change_detection(br);
del_timer(&p->forward_delay_timer);
- }
- else if (br->stp_enabled == BR_KERNEL_STP)
+ } else if (br->stp_enabled == BR_KERNEL_STP)
p->state = BR_STATE_LISTENING;
else
p->state = BR_STATE_LEARNING;
br_multicast_enable_port(p);
-
br_log_state(p);
+ br_ifinfo_notify(RTM_NEWLINK, p);
if (br->forward_delay != 0)
mod_timer(&p->forward_delay_timer, jiffies + br->forward_delay);
@@ -431,14 +431,15 @@ void br_port_state_selection(struct net_bridge *br)
}
/* called under bridge lock */
-static inline void br_topology_change_acknowledge(struct net_bridge_port *p)
+static void br_topology_change_acknowledge(struct net_bridge_port *p)
{
p->topology_change_ack = 1;
br_transmit_config(p);
}
/* called under bridge lock */
-void br_received_config_bpdu(struct net_bridge_port *p, struct br_config_bpdu *bpdu)
+void br_received_config_bpdu(struct net_bridge_port *p,
+ const struct br_config_bpdu *bpdu)
{
struct net_bridge *br;
int was_root;
diff --git a/net/bridge/br_stp_bpdu.c b/net/bridge/br_stp_bpdu.c
index 289646ec9b7..e16aade51ae 100644
--- a/net/bridge/br_stp_bpdu.c
+++ b/net/bridge/br_stp_bpdu.c
@@ -210,10 +210,19 @@ void br_stp_rcv(const struct stp_proto *proto, struct sk_buff *skb,
bpdu.hello_time = br_get_ticks(buf+28);
bpdu.forward_delay = br_get_ticks(buf+30);
- br_received_config_bpdu(p, &bpdu);
- }
+ if (bpdu.message_age > bpdu.max_age) {
+ if (net_ratelimit())
+ br_notice(p->br,
+ "port %u config from %pM"
+ " (message_age %ul > max_age %ul)\n",
+ p->port_no,
+ eth_hdr(skb)->h_source,
+ bpdu.message_age, bpdu.max_age);
+ goto out;
+ }
- else if (buf[0] == BPDU_TYPE_TCN) {
+ br_received_config_bpdu(p, &bpdu);
+ } else if (buf[0] == BPDU_TYPE_TCN) {
br_received_tcn_bpdu(p);
}
out:
diff --git a/net/bridge/br_stp_if.c b/net/bridge/br_stp_if.c
index 6f615b8192f..10eda3cd1d7 100644
--- a/net/bridge/br_stp_if.c
+++ b/net/bridge/br_stp_if.c
@@ -88,6 +88,7 @@ void br_stp_enable_port(struct net_bridge_port *p)
br_init_port(p);
br_port_state_selection(p->br);
br_log_state(p);
+ br_ifinfo_notify(RTM_NEWLINK, p);
}
/* called under bridge lock */
@@ -104,6 +105,8 @@ void br_stp_disable_port(struct net_bridge_port *p)
p->topology_change_ack = 0;
p->config_pending = 0;
+ br_ifinfo_notify(RTM_NEWLINK, p);
+
del_timer(&p->message_age_timer);
del_timer(&p->forward_delay_timer);
del_timer(&p->hold_timer);
diff --git a/net/bridge/br_stp_timer.c b/net/bridge/br_stp_timer.c
index 3e965140051..58de2a0f997 100644
--- a/net/bridge/br_stp_timer.c
+++ b/net/bridge/br_stp_timer.c
@@ -97,6 +97,7 @@ static void br_forward_delay_timer_expired(unsigned long arg)
netif_carrier_on(br->dev);
}
br_log_state(p);
+ br_ifinfo_notify(RTM_NEWLINK, p);
spin_unlock(&br->lock);
}
diff --git a/net/bridge/netfilter/Kconfig b/net/bridge/netfilter/Kconfig
index ba6f73eb06c..a9aff9c7d02 100644
--- a/net/bridge/netfilter/Kconfig
+++ b/net/bridge/netfilter/Kconfig
@@ -4,7 +4,7 @@
menuconfig BRIDGE_NF_EBTABLES
tristate "Ethernet Bridge tables (ebtables) support"
- depends on BRIDGE && BRIDGE_NETFILTER
+ depends on BRIDGE && NETFILTER
select NETFILTER_XTABLES
help
ebtables is a general, extensible frame/packet identification
diff --git a/net/bridge/netfilter/ebt_ulog.c b/net/bridge/netfilter/ebt_ulog.c
index 26377e96fa1..bf2a333ca7c 100644
--- a/net/bridge/netfilter/ebt_ulog.c
+++ b/net/bridge/netfilter/ebt_ulog.c
@@ -216,7 +216,6 @@ unlock:
nlmsg_failure:
pr_debug("error during NLMSG_PUT. This should "
"not happen, please report to author.\n");
- goto unlock;
alloc_failure:
goto unlock;
}
diff --git a/net/bridge/netfilter/ebtables.c b/net/bridge/netfilter/ebtables.c
index 2b5ca1a0054..5864cc49136 100644
--- a/net/bridge/netfilter/ebtables.c
+++ b/net/bridge/netfilter/ebtables.c
@@ -1198,7 +1198,8 @@ ebt_register_table(struct net *net, const struct ebt_table *input_table)
if (table->check && table->check(newinfo, table->valid_hooks)) {
BUGPRINT("The table doesn't like its own initial data, lol\n");
- return ERR_PTR(-EINVAL);
+ ret = -EINVAL;
+ goto free_chainstack;
}
table->private = newinfo;
diff --git a/net/caif/caif_dev.c b/net/caif/caif_dev.c
index 7c2fa0a0814..7f9ac0742d1 100644
--- a/net/caif/caif_dev.c
+++ b/net/caif/caif_dev.c
@@ -93,10 +93,14 @@ static struct caif_device_entry *caif_device_alloc(struct net_device *dev)
caifdevs = caif_device_list(dev_net(dev));
BUG_ON(!caifdevs);
- caifd = kzalloc(sizeof(*caifd), GFP_ATOMIC);
+ caifd = kzalloc(sizeof(*caifd), GFP_KERNEL);
if (!caifd)
return NULL;
caifd->pcpu_refcnt = alloc_percpu(int);
+ if (!caifd->pcpu_refcnt) {
+ kfree(caifd);
+ return NULL;
+ }
caifd->netdev = dev;
dev_hold(dev);
return caifd;
diff --git a/net/can/af_can.c b/net/can/af_can.c
index 8ce926d3b2c..9b0c32a2690 100644
--- a/net/can/af_can.c
+++ b/net/can/af_can.c
@@ -857,7 +857,7 @@ static __exit void can_exit(void)
struct net_device *dev;
if (stats_timer)
- del_timer(&can_stattimer);
+ del_timer_sync(&can_stattimer);
can_remove_proc();
diff --git a/net/can/bcm.c b/net/can/bcm.c
index d6c8ae5b2e6..c84963d2dee 100644
--- a/net/can/bcm.c
+++ b/net/can/bcm.c
@@ -344,6 +344,18 @@ static void bcm_send_to_user(struct bcm_op *op, struct bcm_msg_head *head,
}
}
+static void bcm_tx_start_timer(struct bcm_op *op)
+{
+ if (op->kt_ival1.tv64 && op->count)
+ hrtimer_start(&op->timer,
+ ktime_add(ktime_get(), op->kt_ival1),
+ HRTIMER_MODE_ABS);
+ else if (op->kt_ival2.tv64)
+ hrtimer_start(&op->timer,
+ ktime_add(ktime_get(), op->kt_ival2),
+ HRTIMER_MODE_ABS);
+}
+
static void bcm_tx_timeout_tsklet(unsigned long data)
{
struct bcm_op *op = (struct bcm_op *)data;
@@ -365,26 +377,12 @@ static void bcm_tx_timeout_tsklet(unsigned long data)
bcm_send_to_user(op, &msg_head, NULL, 0);
}
- }
-
- if (op->kt_ival1.tv64 && (op->count > 0)) {
-
- /* send (next) frame */
bcm_can_tx(op);
- hrtimer_start(&op->timer,
- ktime_add(ktime_get(), op->kt_ival1),
- HRTIMER_MODE_ABS);
- } else {
- if (op->kt_ival2.tv64) {
+ } else if (op->kt_ival2.tv64)
+ bcm_can_tx(op);
- /* send (next) frame */
- bcm_can_tx(op);
- hrtimer_start(&op->timer,
- ktime_add(ktime_get(), op->kt_ival2),
- HRTIMER_MODE_ABS);
- }
- }
+ bcm_tx_start_timer(op);
}
/*
@@ -964,23 +962,20 @@ static int bcm_tx_setup(struct bcm_msg_head *msg_head, struct msghdr *msg,
hrtimer_cancel(&op->timer);
}
- if ((op->flags & STARTTIMER) &&
- ((op->kt_ival1.tv64 && op->count) || op->kt_ival2.tv64)) {
-
+ if (op->flags & STARTTIMER) {
+ hrtimer_cancel(&op->timer);
/* spec: send can_frame when starting timer */
op->flags |= TX_ANNOUNCE;
-
- if (op->kt_ival1.tv64 && (op->count > 0)) {
- /* op->count-- is done in bcm_tx_timeout_handler */
- hrtimer_start(&op->timer, op->kt_ival1,
- HRTIMER_MODE_REL);
- } else
- hrtimer_start(&op->timer, op->kt_ival2,
- HRTIMER_MODE_REL);
}
- if (op->flags & TX_ANNOUNCE)
+ if (op->flags & TX_ANNOUNCE) {
bcm_can_tx(op);
+ if (op->count)
+ op->count--;
+ }
+
+ if (op->flags & STARTTIMER)
+ bcm_tx_start_timer(op);
return msg_head->nframes * CFSIZ + MHSIZ;
}
diff --git a/net/ceph/ceph_common.c b/net/ceph/ceph_common.c
index 132963abc26..2883ea01e68 100644
--- a/net/ceph/ceph_common.c
+++ b/net/ceph/ceph_common.c
@@ -232,6 +232,7 @@ void ceph_destroy_options(struct ceph_options *opt)
ceph_crypto_key_destroy(opt->key);
kfree(opt->key);
}
+ kfree(opt->mon_addr);
kfree(opt);
}
EXPORT_SYMBOL(ceph_destroy_options);
diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
index 78b55f49de7..9918e9eb276 100644
--- a/net/ceph/messenger.c
+++ b/net/ceph/messenger.c
@@ -486,13 +486,10 @@ static void prepare_write_message(struct ceph_connection *con)
m = list_first_entry(&con->out_queue,
struct ceph_msg, list_head);
con->out_msg = m;
- if (test_bit(LOSSYTX, &con->state)) {
- list_del_init(&m->list_head);
- } else {
- /* put message on sent list */
- ceph_msg_get(m);
- list_move_tail(&m->list_head, &con->out_sent);
- }
+
+ /* put message on sent list */
+ ceph_msg_get(m);
+ list_move_tail(&m->list_head, &con->out_sent);
/*
* only assign outgoing seq # if we haven't sent this message
@@ -1399,6 +1396,7 @@ static void process_ack(struct ceph_connection *con)
break;
dout("got ack for seq %llu type %d at %p\n", seq,
le16_to_cpu(m->hdr.type), m);
+ m->ack_stamp = jiffies;
ceph_msg_remove(m);
}
prepare_read_tag(con);
@@ -2309,6 +2307,7 @@ struct ceph_msg *ceph_msg_new(int type, int front_len, gfp_t flags)
m->front_max = front_len;
m->front_is_vmalloc = false;
m->more_to_follow = false;
+ m->ack_stamp = 0;
m->pool = NULL;
/* middle */
diff --git a/net/ceph/msgpool.c b/net/ceph/msgpool.c
index d5f2d97ac05..1f4cb30a42c 100644
--- a/net/ceph/msgpool.c
+++ b/net/ceph/msgpool.c
@@ -7,27 +7,37 @@
#include <linux/ceph/msgpool.h>
-static void *alloc_fn(gfp_t gfp_mask, void *arg)
+static void *msgpool_alloc(gfp_t gfp_mask, void *arg)
{
struct ceph_msgpool *pool = arg;
- void *p;
+ struct ceph_msg *msg;
- p = ceph_msg_new(0, pool->front_len, gfp_mask);
- if (!p)
- pr_err("msgpool %s alloc failed\n", pool->name);
- return p;
+ msg = ceph_msg_new(0, pool->front_len, gfp_mask);
+ if (!msg) {
+ dout("msgpool_alloc %s failed\n", pool->name);
+ } else {
+ dout("msgpool_alloc %s %p\n", pool->name, msg);
+ msg->pool = pool;
+ }
+ return msg;
}
-static void free_fn(void *element, void *arg)
+static void msgpool_free(void *element, void *arg)
{
- ceph_msg_put(element);
+ struct ceph_msgpool *pool = arg;
+ struct ceph_msg *msg = element;
+
+ dout("msgpool_release %s %p\n", pool->name, msg);
+ msg->pool = NULL;
+ ceph_msg_put(msg);
}
int ceph_msgpool_init(struct ceph_msgpool *pool,
int front_len, int size, bool blocking, const char *name)
{
+ dout("msgpool %s init\n", name);
pool->front_len = front_len;
- pool->pool = mempool_create(size, alloc_fn, free_fn, pool);
+ pool->pool = mempool_create(size, msgpool_alloc, msgpool_free, pool);
if (!pool->pool)
return -ENOMEM;
pool->name = name;
@@ -36,14 +46,17 @@ int ceph_msgpool_init(struct ceph_msgpool *pool,
void ceph_msgpool_destroy(struct ceph_msgpool *pool)
{
+ dout("msgpool %s destroy\n", pool->name);
mempool_destroy(pool->pool);
}
struct ceph_msg *ceph_msgpool_get(struct ceph_msgpool *pool,
int front_len)
{
+ struct ceph_msg *msg;
+
if (front_len > pool->front_len) {
- pr_err("msgpool_get pool %s need front %d, pool size is %d\n",
+ dout("msgpool_get %s need front %d, pool size is %d\n",
pool->name, front_len, pool->front_len);
WARN_ON(1);
@@ -51,14 +64,19 @@ struct ceph_msg *ceph_msgpool_get(struct ceph_msgpool *pool,
return ceph_msg_new(0, front_len, GFP_NOFS);
}
- return mempool_alloc(pool->pool, GFP_NOFS);
+ msg = mempool_alloc(pool->pool, GFP_NOFS);
+ dout("msgpool_get %s %p\n", pool->name, msg);
+ return msg;
}
void ceph_msgpool_put(struct ceph_msgpool *pool, struct ceph_msg *msg)
{
+ dout("msgpool_put %s %p\n", pool->name, msg);
+
/* reset msg front_len; user may have changed it */
msg->front.iov_len = pool->front_len;
msg->hdr.front_len = cpu_to_le32(pool->front_len);
kref_init(&msg->kref); /* retake single ref */
+ mempool_free(msg, pool->pool);
}
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
index 7330c2757c0..88ad8a2501b 100644
--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -217,6 +217,7 @@ struct ceph_osd_request *ceph_osdc_alloc_request(struct ceph_osd_client *osdc,
INIT_LIST_HEAD(&req->r_unsafe_item);
INIT_LIST_HEAD(&req->r_linger_item);
INIT_LIST_HEAD(&req->r_linger_osd);
+ INIT_LIST_HEAD(&req->r_req_lru_item);
req->r_flags = flags;
WARN_ON((flags & (CEPH_OSD_FLAG_READ|CEPH_OSD_FLAG_WRITE)) == 0);
@@ -685,6 +686,18 @@ static void __remove_osd(struct ceph_osd_client *osdc, struct ceph_osd *osd)
put_osd(osd);
}
+static void remove_all_osds(struct ceph_osd_client *osdc)
+{
+ dout("__remove_old_osds %p\n", osdc);
+ mutex_lock(&osdc->request_mutex);
+ while (!RB_EMPTY_ROOT(&osdc->osds)) {
+ struct ceph_osd *osd = rb_entry(rb_first(&osdc->osds),
+ struct ceph_osd, o_node);
+ __remove_osd(osdc, osd);
+ }
+ mutex_unlock(&osdc->request_mutex);
+}
+
static void __move_osd_to_lru(struct ceph_osd_client *osdc,
struct ceph_osd *osd)
{
@@ -701,14 +714,14 @@ static void __remove_osd_from_lru(struct ceph_osd *osd)
list_del_init(&osd->o_osd_lru);
}
-static void remove_old_osds(struct ceph_osd_client *osdc, int remove_all)
+static void remove_old_osds(struct ceph_osd_client *osdc)
{
struct ceph_osd *osd, *nosd;
dout("__remove_old_osds %p\n", osdc);
mutex_lock(&osdc->request_mutex);
list_for_each_entry_safe(osd, nosd, &osdc->osd_lru, o_osd_lru) {
- if (!remove_all && time_before(jiffies, osd->lru_ttl))
+ if (time_before(jiffies, osd->lru_ttl))
break;
__remove_osd(osdc, osd);
}
@@ -751,6 +764,7 @@ static void __insert_osd(struct ceph_osd_client *osdc, struct ceph_osd *new)
struct rb_node *parent = NULL;
struct ceph_osd *osd = NULL;
+ dout("__insert_osd %p osd%d\n", new, new->o_osd);
while (*p) {
parent = *p;
osd = rb_entry(parent, struct ceph_osd, o_node);
@@ -803,13 +817,10 @@ static void __register_request(struct ceph_osd_client *osdc,
{
req->r_tid = ++osdc->last_tid;
req->r_request->hdr.tid = cpu_to_le64(req->r_tid);
- INIT_LIST_HEAD(&req->r_req_lru_item);
-
dout("__register_request %p tid %lld\n", req, req->r_tid);
__insert_request(osdc, req);
ceph_osdc_get_request(req);
osdc->num_requests++;
-
if (osdc->num_requests == 1) {
dout(" first request, scheduling timeout\n");
__schedule_osd_timeout(osdc);
@@ -1085,9 +1096,15 @@ static void handle_timeout(struct work_struct *work)
req = list_entry(osdc->req_lru.next, struct ceph_osd_request,
r_req_lru_item);
+ /* hasn't been long enough since we sent it? */
if (time_before(jiffies, req->r_stamp + timeout))
break;
+ /* hasn't been long enough since it was acked? */
+ if (req->r_request->ack_stamp == 0 ||
+ time_before(jiffies, req->r_request->ack_stamp + timeout))
+ break;
+
BUG_ON(req == last_req && req->r_stamp == last_stamp);
last_req = req;
last_stamp = req->r_stamp;
@@ -1138,7 +1155,7 @@ static void handle_osds_timeout(struct work_struct *work)
dout("osds timeout\n");
down_read(&osdc->map_sem);
- remove_old_osds(osdc, 0);
+ remove_old_osds(osdc);
up_read(&osdc->map_sem);
schedule_delayed_work(&osdc->osds_timeout_work,
@@ -1856,8 +1873,7 @@ void ceph_osdc_stop(struct ceph_osd_client *osdc)
ceph_osdmap_destroy(osdc->osdmap);
osdc->osdmap = NULL;
}
- remove_old_osds(osdc, 1);
- WARN_ON(!RB_EMPTY_ROOT(&osdc->osds));
+ remove_all_osds(osdc);
mempool_destroy(osdc->req_mempool);
ceph_msgpool_destroy(&osdc->msgpool_op);
ceph_msgpool_destroy(&osdc->msgpool_op_reply);
diff --git a/net/ceph/osdmap.c b/net/ceph/osdmap.c
index e97c3588c3e..fd863fe7693 100644
--- a/net/ceph/osdmap.c
+++ b/net/ceph/osdmap.c
@@ -339,6 +339,7 @@ static int __insert_pg_mapping(struct ceph_pg_mapping *new,
struct ceph_pg_mapping *pg = NULL;
int c;
+ dout("__insert_pg_mapping %llx %p\n", *(u64 *)&new->pgid, new);
while (*p) {
parent = *p;
pg = rb_entry(parent, struct ceph_pg_mapping, node);
@@ -366,16 +367,33 @@ static struct ceph_pg_mapping *__lookup_pg_mapping(struct rb_root *root,
while (n) {
pg = rb_entry(n, struct ceph_pg_mapping, node);
c = pgid_cmp(pgid, pg->pgid);
- if (c < 0)
+ if (c < 0) {
n = n->rb_left;
- else if (c > 0)
+ } else if (c > 0) {
n = n->rb_right;
- else
+ } else {
+ dout("__lookup_pg_mapping %llx got %p\n",
+ *(u64 *)&pgid, pg);
return pg;
+ }
}
return NULL;
}
+static int __remove_pg_mapping(struct rb_root *root, struct ceph_pg pgid)
+{
+ struct ceph_pg_mapping *pg = __lookup_pg_mapping(root, pgid);
+
+ if (pg) {
+ dout("__remove_pg_mapping %llx %p\n", *(u64 *)&pgid, pg);
+ rb_erase(&pg->node, root);
+ kfree(pg);
+ return 0;
+ }
+ dout("__remove_pg_mapping %llx dne\n", *(u64 *)&pgid);
+ return -ENOENT;
+}
+
/*
* rbtree of pg pool info
*/
@@ -711,7 +729,6 @@ struct ceph_osdmap *osdmap_apply_incremental(void **p, void *end,
void *start = *p;
int err = -EINVAL;
u16 version;
- struct rb_node *rbp;
ceph_decode_16_safe(p, end, version, bad);
if (version > CEPH_OSDMAP_INC_VERSION) {
@@ -861,7 +878,6 @@ struct ceph_osdmap *osdmap_apply_incremental(void **p, void *end,
}
/* new_pg_temp */
- rbp = rb_first(&map->pg_temp);
ceph_decode_32_safe(p, end, len, bad);
while (len--) {
struct ceph_pg_mapping *pg;
@@ -872,18 +888,6 @@ struct ceph_osdmap *osdmap_apply_incremental(void **p, void *end,
ceph_decode_copy(p, &pgid, sizeof(pgid));
pglen = ceph_decode_32(p);
- /* remove any? */
- while (rbp && pgid_cmp(rb_entry(rbp, struct ceph_pg_mapping,
- node)->pgid, pgid) <= 0) {
- struct ceph_pg_mapping *cur =
- rb_entry(rbp, struct ceph_pg_mapping, node);
-
- rbp = rb_next(rbp);
- dout(" removed pg_temp %llx\n", *(u64 *)&cur->pgid);
- rb_erase(&cur->node, &map->pg_temp);
- kfree(cur);
- }
-
if (pglen) {
/* insert */
ceph_decode_need(p, end, pglen*sizeof(u32), bad);
@@ -903,17 +907,11 @@ struct ceph_osdmap *osdmap_apply_incremental(void **p, void *end,
}
dout(" added pg_temp %llx len %d\n", *(u64 *)&pgid,
pglen);
+ } else {
+ /* remove */
+ __remove_pg_mapping(&map->pg_temp, pgid);
}
}
- while (rbp) {
- struct ceph_pg_mapping *cur =
- rb_entry(rbp, struct ceph_pg_mapping, node);
-
- rbp = rb_next(rbp);
- dout(" removed pg_temp %llx\n", *(u64 *)&cur->pgid);
- rb_erase(&cur->node, &map->pg_temp);
- kfree(cur);
- }
/* ignore the rest */
*p = end;
@@ -1046,10 +1044,25 @@ static int *calc_pg_raw(struct ceph_osdmap *osdmap, struct ceph_pg pgid,
struct ceph_pg_mapping *pg;
struct ceph_pg_pool_info *pool;
int ruleno;
- unsigned poolid, ps, pps;
+ unsigned poolid, ps, pps, t;
int preferred;
+ poolid = le32_to_cpu(pgid.pool);
+ ps = le16_to_cpu(pgid.ps);
+ preferred = (s16)le16_to_cpu(pgid.preferred);
+
+ pool = __lookup_pg_pool(&osdmap->pg_pools, poolid);
+ if (!pool)
+ return NULL;
+
/* pg_temp? */
+ if (preferred >= 0)
+ t = ceph_stable_mod(ps, le32_to_cpu(pool->v.lpg_num),
+ pool->lpgp_num_mask);
+ else
+ t = ceph_stable_mod(ps, le32_to_cpu(pool->v.pg_num),
+ pool->pgp_num_mask);
+ pgid.ps = cpu_to_le16(t);
pg = __lookup_pg_mapping(&osdmap->pg_temp, pgid);
if (pg) {
*num = pg->len;
@@ -1057,18 +1070,6 @@ static int *calc_pg_raw(struct ceph_osdmap *osdmap, struct ceph_pg pgid,
}
/* crush */
- poolid = le32_to_cpu(pgid.pool);
- ps = le16_to_cpu(pgid.ps);
- preferred = (s16)le16_to_cpu(pgid.preferred);
-
- /* don't forcefeed bad device ids to crush */
- if (preferred >= osdmap->max_osd ||
- preferred >= osdmap->crush->max_devices)
- preferred = -1;
-
- pool = __lookup_pg_pool(&osdmap->pg_pools, poolid);
- if (!pool)
- return NULL;
ruleno = crush_find_rule(osdmap->crush, pool->v.crush_ruleset,
pool->v.type, pool->v.size);
if (ruleno < 0) {
@@ -1078,6 +1079,11 @@ static int *calc_pg_raw(struct ceph_osdmap *osdmap, struct ceph_pg pgid,
return NULL;
}
+ /* don't forcefeed bad device ids to crush */
+ if (preferred >= osdmap->max_osd ||
+ preferred >= osdmap->crush->max_devices)
+ preferred = -1;
+
if (preferred >= 0)
pps = ceph_stable_mod(ps,
le32_to_cpu(pool->v.lpgp_num),
diff --git a/net/core/Makefile b/net/core/Makefile
index 8a04dd22cf7..0d357b1c4e5 100644
--- a/net/core/Makefile
+++ b/net/core/Makefile
@@ -3,7 +3,7 @@
#
obj-y := sock.o request_sock.o skbuff.o iovec.o datagram.o stream.o scm.o \
- gen_stats.o gen_estimator.o net_namespace.o
+ gen_stats.o gen_estimator.o net_namespace.o secure_seq.o
obj-$(CONFIG_SYSCTL) += sysctl_net_core.o
diff --git a/net/core/dev.c b/net/core/dev.c
index 9444c5cb413..b10ff0a7185 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1515,6 +1515,14 @@ static inline bool is_skb_forwardable(struct net_device *dev,
*/
int dev_forward_skb(struct net_device *dev, struct sk_buff *skb)
{
+ if (skb_shinfo(skb)->tx_flags & SKBTX_DEV_ZEROCOPY) {
+ if (skb_copy_ubufs(skb, GFP_ATOMIC)) {
+ atomic_long_inc(&dev->rx_dropped);
+ kfree_skb(skb);
+ return NET_RX_DROP;
+ }
+ }
+
skb_orphan(skb);
nf_reset(skb);
@@ -4497,10 +4505,10 @@ void __dev_set_rx_mode(struct net_device *dev)
*/
if (!netdev_uc_empty(dev) && !dev->uc_promisc) {
__dev_set_promiscuity(dev, 1);
- dev->uc_promisc = 1;
+ dev->uc_promisc = true;
} else if (netdev_uc_empty(dev) && dev->uc_promisc) {
__dev_set_promiscuity(dev, -1);
- dev->uc_promisc = 0;
+ dev->uc_promisc = false;
}
if (ops->ndo_set_multicast_list)
diff --git a/net/core/fib_rules.c b/net/core/fib_rules.c
index e7ab0c0285b..3231b468bb7 100644
--- a/net/core/fib_rules.c
+++ b/net/core/fib_rules.c
@@ -384,8 +384,8 @@ static int fib_nl_newrule(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg)
*/
list_for_each_entry(r, &ops->rules_list, list) {
if (r->action == FR_ACT_GOTO &&
- r->target == rule->pref) {
- BUG_ON(rtnl_dereference(r->ctarget) != NULL);
+ r->target == rule->pref &&
+ rtnl_dereference(r->ctarget) == NULL) {
rcu_assign_pointer(r->ctarget, rule);
if (--ops->unresolved_rules == 0)
break;
diff --git a/net/core/flow.c b/net/core/flow.c
index 990703b8863..555a456efb0 100644
--- a/net/core/flow.c
+++ b/net/core/flow.c
@@ -22,7 +22,7 @@
#include <linux/cpumask.h>
#include <linux/mutex.h>
#include <net/flow.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
#include <linux/security.h>
struct flow_cache_entry {
@@ -30,6 +30,7 @@ struct flow_cache_entry {
struct hlist_node hlist;
struct list_head gc_list;
} u;
+ struct net *net;
u16 family;
u8 dir;
u32 genid;
@@ -172,29 +173,26 @@ static void flow_new_hash_rnd(struct flow_cache *fc,
static u32 flow_hash_code(struct flow_cache *fc,
struct flow_cache_percpu *fcp,
- const struct flowi *key)
+ const struct flowi *key,
+ size_t keysize)
{
const u32 *k = (const u32 *) key;
+ const u32 length = keysize * sizeof(flow_compare_t) / sizeof(u32);
- return jhash2(k, (sizeof(*key) / sizeof(u32)), fcp->hash_rnd)
+ return jhash2(k, length, fcp->hash_rnd)
& (flow_cache_hash_size(fc) - 1);
}
-typedef unsigned long flow_compare_t;
-
/* I hear what you're saying, use memcmp. But memcmp cannot make
- * important assumptions that we can here, such as alignment and
- * constant size.
+ * important assumptions that we can here, such as alignment.
*/
-static int flow_key_compare(const struct flowi *key1, const struct flowi *key2)
+static int flow_key_compare(const struct flowi *key1, const struct flowi *key2,
+ size_t keysize)
{
const flow_compare_t *k1, *k1_lim, *k2;
- const int n_elem = sizeof(struct flowi) / sizeof(flow_compare_t);
-
- BUILD_BUG_ON(sizeof(struct flowi) % sizeof(flow_compare_t));
k1 = (const flow_compare_t *) key1;
- k1_lim = k1 + n_elem;
+ k1_lim = k1 + keysize;
k2 = (const flow_compare_t *) key2;
@@ -215,6 +213,7 @@ flow_cache_lookup(struct net *net, const struct flowi *key, u16 family, u8 dir,
struct flow_cache_entry *fle, *tfle;
struct hlist_node *entry;
struct flow_cache_object *flo;
+ size_t keysize;
unsigned int hash;
local_bh_disable();
@@ -222,6 +221,11 @@ flow_cache_lookup(struct net *net, const struct flowi *key, u16 family, u8 dir,
fle = NULL;
flo = NULL;
+
+ keysize = flow_key_size(family);
+ if (!keysize)
+ goto nocache;
+
/* Packet really early in init? Making flow_cache_init a
* pre-smp initcall would solve this. --RR */
if (!fcp->hash_table)
@@ -230,11 +234,12 @@ flow_cache_lookup(struct net *net, const struct flowi *key, u16 family, u8 dir,
if (fcp->hash_rnd_recalc)
flow_new_hash_rnd(fc, fcp);
- hash = flow_hash_code(fc, fcp, key);
+ hash = flow_hash_code(fc, fcp, key, keysize);
hlist_for_each_entry(tfle, entry, &fcp->hash_table[hash], u.hlist) {
- if (tfle->family == family &&
+ if (tfle->net == net &&
+ tfle->family == family &&
tfle->dir == dir &&
- flow_key_compare(key, &tfle->key) == 0) {
+ flow_key_compare(key, &tfle->key, keysize) == 0) {
fle = tfle;
break;
}
@@ -246,9 +251,10 @@ flow_cache_lookup(struct net *net, const struct flowi *key, u16 family, u8 dir,
fle = kmem_cache_alloc(flow_cachep, GFP_ATOMIC);
if (fle) {
+ fle->net = net;
fle->family = family;
fle->dir = dir;
- memcpy(&fle->key, key, sizeof(*key));
+ memcpy(&fle->key, key, keysize * sizeof(flow_compare_t));
fle->object = NULL;
hlist_add_head(&fle->u.hlist, &fcp->hash_table[hash]);
fcp->hash_count++;
diff --git a/net/core/link_watch.c b/net/core/link_watch.c
index a7b34213186..357bd4ee4ba 100644
--- a/net/core/link_watch.c
+++ b/net/core/link_watch.c
@@ -126,7 +126,7 @@ static void linkwatch_schedule_work(int urgent)
return;
/* It's already running which is good enough. */
- if (!cancel_delayed_work(&linkwatch_work))
+ if (!__cancel_delayed_work(&linkwatch_work))
return;
/* Otherwise we reschedule it again for immediate execution. */
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index 8fab9b0bb20..1334d7e56f0 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -1319,11 +1319,15 @@ static void neigh_proxy_process(unsigned long arg)
if (tdif <= 0) {
struct net_device *dev = skb->dev;
+
__skb_unlink(skb, &tbl->proxy_queue);
- if (tbl->proxy_redo && netif_running(dev))
+ if (tbl->proxy_redo && netif_running(dev)) {
+ rcu_read_lock();
tbl->proxy_redo(skb);
- else
+ rcu_read_unlock();
+ } else {
kfree_skb(skb);
+ }
dev_put(dev);
} else if (!sched_next || tdif < sched_next)
diff --git a/net/core/netpoll.c b/net/core/netpoll.c
index adf84dd8c7b..52622517e0d 100644
--- a/net/core/netpoll.c
+++ b/net/core/netpoll.c
@@ -558,13 +558,14 @@ int __netpoll_rx(struct sk_buff *skb)
if (skb_shared(skb))
goto out;
- iph = (struct iphdr *)skb->data;
if (!pskb_may_pull(skb, sizeof(struct iphdr)))
goto out;
+ iph = (struct iphdr *)skb->data;
if (iph->ihl < 5 || iph->version != 4)
goto out;
if (!pskb_may_pull(skb, iph->ihl*4))
goto out;
+ iph = (struct iphdr *)skb->data;
if (ip_fast_csum((u8 *)iph, iph->ihl) != 0)
goto out;
@@ -579,6 +580,7 @@ int __netpoll_rx(struct sk_buff *skb)
if (pskb_trim_rcsum(skb, len))
goto out;
+ iph = (struct iphdr *)skb->data;
if (iph->protocol != IPPROTO_UDP)
goto out;
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index f76079cd750..e35a6fbb811 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -1070,7 +1070,9 @@ static ssize_t pktgen_if_write(struct file *file,
len = num_arg(&user_buffer[i], 10, &value);
if (len < 0)
return len;
-
+ if ((value > 0) &&
+ (!(pkt_dev->odev->priv_flags & IFF_TX_SKB_SHARING)))
+ return -ENOTSUPP;
i += len;
pkt_dev->clone_skb = value;
@@ -3555,7 +3557,6 @@ static int pktgen_add_device(struct pktgen_thread *t, const char *ifname)
pkt_dev->min_pkt_size = ETH_ZLEN;
pkt_dev->max_pkt_size = ETH_ZLEN;
pkt_dev->nfrags = 0;
- pkt_dev->clone_skb = pg_clone_skb_d;
pkt_dev->delay = pg_delay_d;
pkt_dev->count = pg_count_d;
pkt_dev->sofar = 0;
@@ -3563,7 +3564,6 @@ static int pktgen_add_device(struct pktgen_thread *t, const char *ifname)
pkt_dev->udp_src_max = 9;
pkt_dev->udp_dst_min = 9;
pkt_dev->udp_dst_max = 9;
-
pkt_dev->vlan_p = 0;
pkt_dev->vlan_cfi = 0;
pkt_dev->vlan_id = 0xffff;
@@ -3575,6 +3575,8 @@ static int pktgen_add_device(struct pktgen_thread *t, const char *ifname)
err = pktgen_setup_dev(pkt_dev, ifname);
if (err)
goto out1;
+ if (pkt_dev->odev->priv_flags & IFF_TX_SKB_SHARING)
+ pkt_dev->clone_skb = pg_clone_skb_d;
pkt_dev->entry = proc_create_data(ifname, 0600, pg_proc_dir,
&pktgen_if_fops, pkt_dev);
diff --git a/net/core/scm.c b/net/core/scm.c
index 4c1ef026d69..811b53fb330 100644
--- a/net/core/scm.c
+++ b/net/core/scm.c
@@ -192,7 +192,7 @@ int __scm_send(struct socket *sock, struct msghdr *msg, struct scm_cookie *p)
goto error;
cred->uid = cred->euid = p->creds.uid;
- cred->gid = cred->egid = p->creds.uid;
+ cred->gid = cred->egid = p->creds.gid;
put_cred(p->cred);
p->cred = cred;
}
diff --git a/net/core/secure_seq.c b/net/core/secure_seq.c
new file mode 100644
index 00000000000..45329d7c9dd
--- /dev/null
+++ b/net/core/secure_seq.c
@@ -0,0 +1,184 @@
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/cryptohash.h>
+#include <linux/module.h>
+#include <linux/cache.h>
+#include <linux/random.h>
+#include <linux/hrtimer.h>
+#include <linux/ktime.h>
+#include <linux/string.h>
+
+#include <net/secure_seq.h>
+
+static u32 net_secret[MD5_MESSAGE_BYTES / 4] ____cacheline_aligned;
+
+static int __init net_secret_init(void)
+{
+ get_random_bytes(net_secret, sizeof(net_secret));
+ return 0;
+}
+late_initcall(net_secret_init);
+
+static u32 seq_scale(u32 seq)
+{
+ /*
+ * As close as possible to RFC 793, which
+ * suggests using a 250 kHz clock.
+ * Further reading shows this assumes 2 Mb/s networks.
+ * For 10 Mb/s Ethernet, a 1 MHz clock is appropriate.
+ * For 10 Gb/s Ethernet, a 1 GHz clock should be ok, but
+ * we also need to limit the resolution so that the u32 seq
+ * overlaps less than one time per MSL (2 minutes).
+ * Choosing a clock of 64 ns period is OK. (period of 274 s)
+ */
+ return seq + (ktime_to_ns(ktime_get_real()) >> 6);
+}
+
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+__u32 secure_tcpv6_sequence_number(__be32 *saddr, __be32 *daddr,
+ __be16 sport, __be16 dport)
+{
+ u32 secret[MD5_MESSAGE_BYTES / 4];
+ u32 hash[MD5_DIGEST_WORDS];
+ u32 i;
+
+ memcpy(hash, saddr, 16);
+ for (i = 0; i < 4; i++)
+ secret[i] = net_secret[i] + daddr[i];
+ secret[4] = net_secret[4] +
+ (((__force u16)sport << 16) + (__force u16)dport);
+ for (i = 5; i < MD5_MESSAGE_BYTES / 4; i++)
+ secret[i] = net_secret[i];
+
+ md5_transform(hash, secret);
+
+ return seq_scale(hash[0]);
+}
+EXPORT_SYMBOL(secure_tcpv6_sequence_number);
+
+u32 secure_ipv6_port_ephemeral(const __be32 *saddr, const __be32 *daddr,
+ __be16 dport)
+{
+ u32 secret[MD5_MESSAGE_BYTES / 4];
+ u32 hash[MD5_DIGEST_WORDS];
+ u32 i;
+
+ memcpy(hash, saddr, 16);
+ for (i = 0; i < 4; i++)
+ secret[i] = net_secret[i] + (__force u32) daddr[i];
+ secret[4] = net_secret[4] + (__force u32)dport;
+ for (i = 5; i < MD5_MESSAGE_BYTES / 4; i++)
+ secret[i] = net_secret[i];
+
+ md5_transform(hash, secret);
+
+ return hash[0];
+}
+#endif
+
+#ifdef CONFIG_INET
+__u32 secure_ip_id(__be32 daddr)
+{
+ u32 hash[MD5_DIGEST_WORDS];
+
+ hash[0] = (__force __u32) daddr;
+ hash[1] = net_secret[13];
+ hash[2] = net_secret[14];
+ hash[3] = net_secret[15];
+
+ md5_transform(hash, net_secret);
+
+ return hash[0];
+}
+
+__u32 secure_ipv6_id(const __be32 daddr[4])
+{
+ __u32 hash[4];
+
+ memcpy(hash, daddr, 16);
+ md5_transform(hash, net_secret);
+
+ return hash[0];
+}
+
+__u32 secure_tcp_sequence_number(__be32 saddr, __be32 daddr,
+ __be16 sport, __be16 dport)
+{
+ u32 hash[MD5_DIGEST_WORDS];
+
+ hash[0] = (__force u32)saddr;
+ hash[1] = (__force u32)daddr;
+ hash[2] = ((__force u16)sport << 16) + (__force u16)dport;
+ hash[3] = net_secret[15];
+
+ md5_transform(hash, net_secret);
+
+ return seq_scale(hash[0]);
+}
+
+u32 secure_ipv4_port_ephemeral(__be32 saddr, __be32 daddr, __be16 dport)
+{
+ u32 hash[MD5_DIGEST_WORDS];
+
+ hash[0] = (__force u32)saddr;
+ hash[1] = (__force u32)daddr;
+ hash[2] = (__force u32)dport ^ net_secret[14];
+ hash[3] = net_secret[15];
+
+ md5_transform(hash, net_secret);
+
+ return hash[0];
+}
+EXPORT_SYMBOL_GPL(secure_ipv4_port_ephemeral);
+#endif
+
+#if defined(CONFIG_IP_DCCP) || defined(CONFIG_IP_DCCP_MODULE)
+u64 secure_dccp_sequence_number(__be32 saddr, __be32 daddr,
+ __be16 sport, __be16 dport)
+{
+ u32 hash[MD5_DIGEST_WORDS];
+ u64 seq;
+
+ hash[0] = (__force u32)saddr;
+ hash[1] = (__force u32)daddr;
+ hash[2] = ((__force u16)sport << 16) + (__force u16)dport;
+ hash[3] = net_secret[15];
+
+ md5_transform(hash, net_secret);
+
+ seq = hash[0] | (((u64)hash[1]) << 32);
+ seq += ktime_to_ns(ktime_get_real());
+ seq &= (1ull << 48) - 1;
+
+ return seq;
+}
+EXPORT_SYMBOL(secure_dccp_sequence_number);
+
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+u64 secure_dccpv6_sequence_number(__be32 *saddr, __be32 *daddr,
+ __be16 sport, __be16 dport)
+{
+ u32 secret[MD5_MESSAGE_BYTES / 4];
+ u32 hash[MD5_DIGEST_WORDS];
+ u64 seq;
+ u32 i;
+
+ memcpy(hash, saddr, 16);
+ for (i = 0; i < 4; i++)
+ secret[i] = net_secret[i] + daddr[i];
+ secret[4] = net_secret[4] +
+ (((__force u16)sport << 16) + (__force u16)dport);
+ for (i = 5; i < MD5_MESSAGE_BYTES / 4; i++)
+ secret[i] = net_secret[i];
+
+ md5_transform(hash, secret);
+
+ seq = hash[0] | (((u64)hash[1]) << 32);
+ seq += ktime_to_ns(ktime_get_real());
+ seq &= (1ull << 48) - 1;
+
+ return seq;
+}
+EXPORT_SYMBOL(secure_dccpv6_sequence_number);
+#endif
+#endif
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 2beda824636..387703f56fc 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -611,8 +611,21 @@ struct sk_buff *skb_morph(struct sk_buff *dst, struct sk_buff *src)
}
EXPORT_SYMBOL_GPL(skb_morph);
-/* skb frags copy userspace buffers to kernel */
-static int skb_copy_ubufs(struct sk_buff *skb, gfp_t gfp_mask)
+/* skb_copy_ubufs - copy userspace skb frags buffers to kernel
+ * @skb: the skb to modify
+ * @gfp_mask: allocation priority
+ *
+ * This must be called on SKBTX_DEV_ZEROCOPY skb.
+ * It will copy all frags into kernel and drop the reference
+ * to userspace pages.
+ *
+ * If this function is called from an interrupt gfp_mask() must be
+ * %GFP_ATOMIC.
+ *
+ * Returns 0 on success or a negative error code on failure
+ * to allocate kernel memory to copy to.
+ */
+int skb_copy_ubufs(struct sk_buff *skb, gfp_t gfp_mask)
{
int i;
int num_frags = skb_shinfo(skb)->nr_frags;
@@ -652,6 +665,8 @@ static int skb_copy_ubufs(struct sk_buff *skb, gfp_t gfp_mask)
skb_shinfo(skb)->frags[i - 1].page = head;
head = (struct page *)head->private;
}
+
+ skb_shinfo(skb)->tx_flags &= ~SKBTX_DEV_ZEROCOPY;
return 0;
}
@@ -677,7 +692,6 @@ struct sk_buff *skb_clone(struct sk_buff *skb, gfp_t gfp_mask)
if (skb_shinfo(skb)->tx_flags & SKBTX_DEV_ZEROCOPY) {
if (skb_copy_ubufs(skb, gfp_mask))
return NULL;
- skb_shinfo(skb)->tx_flags &= ~SKBTX_DEV_ZEROCOPY;
}
n = skb + 1;
@@ -803,7 +817,6 @@ struct sk_buff *pskb_copy(struct sk_buff *skb, gfp_t gfp_mask)
n = NULL;
goto out;
}
- skb_shinfo(skb)->tx_flags &= ~SKBTX_DEV_ZEROCOPY;
}
for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
skb_shinfo(n)->frags[i] = skb_shinfo(skb)->frags[i];
@@ -896,7 +909,6 @@ int pskb_expand_head(struct sk_buff *skb, int nhead, int ntail,
if (skb_shinfo(skb)->tx_flags & SKBTX_DEV_ZEROCOPY) {
if (skb_copy_ubufs(skb, gfp_mask))
goto nofrags;
- skb_shinfo(skb)->tx_flags &= ~SKBTX_DEV_ZEROCOPY;
}
for (i = 0; i < skb_shinfo(skb)->nr_frags; i++)
get_page(skb_shinfo(skb)->frags[i].page);
@@ -1369,8 +1381,21 @@ pull_pages:
}
EXPORT_SYMBOL(__pskb_pull_tail);
-/* Copy some data bits from skb to kernel buffer. */
-
+/**
+ * skb_copy_bits - copy bits from skb to kernel buffer
+ * @skb: source skb
+ * @offset: offset in source
+ * @to: destination buffer
+ * @len: number of bytes to copy
+ *
+ * Copy the specified number of bytes from the source skb to the
+ * destination buffer.
+ *
+ * CAUTION ! :
+ * If its prototype is ever changed,
+ * check arch/{*}/net/{*}.S files,
+ * since it is called from BPF assembly code.
+ */
int skb_copy_bits(const struct sk_buff *skb, int offset, void *to, int len)
{
int start = skb_headlen(skb);
diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c
index 8c36adfd191..332639b56f4 100644
--- a/net/dccp/ipv4.c
+++ b/net/dccp/ipv4.c
@@ -26,6 +26,7 @@
#include <net/timewait_sock.h>
#include <net/tcp_states.h>
#include <net/xfrm.h>
+#include <net/secure_seq.h>
#include "ackvec.h"
#include "ccid.h"
diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c
index 8dc4348774a..b74f76117dc 100644
--- a/net/dccp/ipv6.c
+++ b/net/dccp/ipv6.c
@@ -29,6 +29,7 @@
#include <net/transp_v6.h>
#include <net/ip6_checksum.h>
#include <net/xfrm.h>
+#include <net/secure_seq.h>
#include "dccp.h"
#include "ipv6.h"
@@ -69,13 +70,7 @@ static inline void dccp_v6_send_check(struct sock *sk, struct sk_buff *skb)
dh->dccph_checksum = dccp_v6_csum_finish(skb, &np->saddr, &np->daddr);
}
-static inline __u32 secure_dccpv6_sequence_number(__be32 *saddr, __be32 *daddr,
- __be16 sport, __be16 dport )
-{
- return secure_tcpv6_sequence_number(saddr, daddr, sport, dport);
-}
-
-static inline __u32 dccp_v6_init_sequence(struct sk_buff *skb)
+static inline __u64 dccp_v6_init_sequence(struct sk_buff *skb)
{
return secure_dccpv6_sequence_number(ipv6_hdr(skb)->daddr.s6_addr32,
ipv6_hdr(skb)->saddr.s6_addr32,
diff --git a/net/decnet/dn_fib.c b/net/decnet/dn_fib.c
index 2bd8e53d777..9e885f180b6 100644
--- a/net/decnet/dn_fib.c
+++ b/net/decnet/dn_fib.c
@@ -30,7 +30,7 @@
#include <linux/netdevice.h>
#include <linux/timer.h>
#include <linux/spinlock.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
#include <asm/uaccess.h>
#include <net/neighbour.h>
#include <net/dst.h>
diff --git a/net/decnet/dn_neigh.c b/net/decnet/dn_neigh.c
index 0dc3fe61085..7f0eb087dc1 100644
--- a/net/decnet/dn_neigh.c
+++ b/net/decnet/dn_neigh.c
@@ -38,7 +38,7 @@
#include <linux/seq_file.h>
#include <linux/rcupdate.h>
#include <linux/jhash.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
#include <net/net_namespace.h>
#include <net/neighbour.h>
#include <net/dst.h>
diff --git a/net/decnet/dn_table.c b/net/decnet/dn_table.c
index cd0354e9bdb..a9a62f225a6 100644
--- a/net/decnet/dn_table.c
+++ b/net/decnet/dn_table.c
@@ -25,7 +25,7 @@
#include <linux/netdevice.h>
#include <linux/timer.h>
#include <linux/spinlock.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
#include <asm/uaccess.h>
#include <linux/route.h> /* RTF_xxx */
#include <net/neighbour.h>
diff --git a/net/decnet/dn_timer.c b/net/decnet/dn_timer.c
index 09825711d58..67f691bd4ac 100644
--- a/net/decnet/dn_timer.c
+++ b/net/decnet/dn_timer.c
@@ -22,7 +22,7 @@
#include <linux/timer.h>
#include <linux/spinlock.h>
#include <net/sock.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
#include <net/flow.h>
#include <net/dn.h>
diff --git a/net/ethernet/eth.c b/net/ethernet/eth.c
index 5cffb63f481..a2468363978 100644
--- a/net/ethernet/eth.c
+++ b/net/ethernet/eth.c
@@ -231,6 +231,7 @@ EXPORT_SYMBOL(eth_header_parse);
* eth_header_cache - fill cache entry from neighbour
* @neigh: source neighbour
* @hh: destination cache entry
+ * @type: Ethernet type field
* Create an Ethernet header template from the neighbour.
*/
int eth_header_cache(const struct neighbour *neigh, struct hh_cache *hh, __be16 type)
@@ -339,6 +340,7 @@ void ether_setup(struct net_device *dev)
dev->addr_len = ETH_ALEN;
dev->tx_queue_len = 1000; /* Ethernet wants good queues */
dev->flags = IFF_BROADCAST|IFF_MULTICAST;
+ dev->priv_flags |= IFF_TX_SKB_SHARING;
memset(dev->broadcast, 0xFF, ETH_ALEN);
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 1b745d412cf..dd2b9478ddd 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -466,8 +466,13 @@ int inet_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
goto out;
if (addr->sin_family != AF_INET) {
+ /* Compatibility games : accept AF_UNSPEC (mapped to AF_INET)
+ * only if s_addr is INADDR_ANY.
+ */
err = -EAFNOSUPPORT;
- goto out;
+ if (addr->sin_family != AF_UNSPEC ||
+ addr->sin_addr.s_addr != htonl(INADDR_ANY))
+ goto out;
}
chk_addr_ret = inet_addr_type(sock_net(sk), addr->sin_addr.s_addr);
diff --git a/net/ipv4/cipso_ipv4.c b/net/ipv4/cipso_ipv4.c
index 2b3c23c287c..2c2a98e402e 100644
--- a/net/ipv4/cipso_ipv4.c
+++ b/net/ipv4/cipso_ipv4.c
@@ -50,7 +50,7 @@
#include <net/tcp.h>
#include <net/netlabel.h>
#include <net/cipso_ipv4.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
#include <asm/bug.h>
#include <asm/unaligned.h>
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index 37b3c188d8b..bc19bd06dd0 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -1134,15 +1134,15 @@ static void inetdev_send_gratuitous_arp(struct net_device *dev,
struct in_device *in_dev)
{
- struct in_ifaddr *ifa = in_dev->ifa_list;
-
- if (!ifa)
- return;
+ struct in_ifaddr *ifa;
- arp_send(ARPOP_REQUEST, ETH_P_ARP,
- ifa->ifa_local, dev,
- ifa->ifa_local, NULL,
- dev->dev_addr, NULL);
+ for (ifa = in_dev->ifa_list; ifa;
+ ifa = ifa->ifa_next) {
+ arp_send(ARPOP_REQUEST, ETH_P_ARP,
+ ifa->ifa_local, dev,
+ ifa->ifa_local, NULL,
+ dev->dev_addr, NULL);
+ }
}
/* Called only under RTNL semaphore */
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index 33e2c35b74b..80106d89d54 100644
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c
@@ -142,6 +142,14 @@ const struct fib_prop fib_props[RTN_MAX + 1] = {
};
/* Release a nexthop info record */
+static void free_fib_info_rcu(struct rcu_head *head)
+{
+ struct fib_info *fi = container_of(head, struct fib_info, rcu);
+
+ if (fi->fib_metrics != (u32 *) dst_default_metrics)
+ kfree(fi->fib_metrics);
+ kfree(fi);
+}
void free_fib_info(struct fib_info *fi)
{
@@ -156,7 +164,7 @@ void free_fib_info(struct fib_info *fi)
} endfor_nexthops(fi);
fib_info_cnt--;
release_net(fi->fib_net);
- kfree_rcu(fi, rcu);
+ call_rcu(&fi->rcu, free_fib_info_rcu);
}
void fib_release_info(struct fib_info *fi)
diff --git a/net/ipv4/gre.c b/net/ipv4/gre.c
index 9dbe10875fb..dbfc21de347 100644
--- a/net/ipv4/gre.c
+++ b/net/ipv4/gre.c
@@ -15,6 +15,7 @@
#include <linux/kmod.h>
#include <linux/skbuff.h>
#include <linux/in.h>
+#include <linux/ip.h>
#include <linux/netdevice.h>
#include <linux/spinlock.h>
#include <net/protocol.h>
@@ -96,27 +97,17 @@ drop:
static void gre_err(struct sk_buff *skb, u32 info)
{
const struct gre_protocol *proto;
- u8 ver;
-
- if (!pskb_may_pull(skb, 12))
- goto drop;
+ const struct iphdr *iph = (const struct iphdr *)skb->data;
+ u8 ver = skb->data[(iph->ihl<<2) + 1]&0x7f;
- ver = skb->data[1]&0x7f;
if (ver >= GREPROTO_MAX)
- goto drop;
+ return;
rcu_read_lock();
proto = rcu_dereference(gre_proto[ver]);
- if (!proto || !proto->err_handler)
- goto drop_unlock;
- proto->err_handler(skb, info);
- rcu_read_unlock();
- return;
-
-drop_unlock:
+ if (proto && proto->err_handler)
+ proto->err_handler(skb, info);
rcu_read_unlock();
-drop:
- kfree_skb(skb);
}
static const struct net_protocol net_gre_protocol = {
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index f1d27f6c935..d577199eabd 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -767,7 +767,7 @@ static int igmp_xmarksources(struct ip_mc_list *pmc, int nsrcs, __be32 *srcs)
break;
for (i=0; i<nsrcs; i++) {
/* skip inactive filters */
- if (pmc->sfcount[MCAST_INCLUDE] ||
+ if (psf->sf_count[MCAST_INCLUDE] ||
pmc->sfcount[MCAST_EXCLUDE] !=
psf->sf_count[MCAST_EXCLUDE])
continue;
@@ -1718,7 +1718,7 @@ static int ip_mc_add_src(struct in_device *in_dev, __be32 *pmca, int sfmode,
pmc->sfcount[sfmode]--;
for (j=0; j<i; j++)
- (void) ip_mc_del1_src(pmc, sfmode, &psfsrc[i]);
+ (void) ip_mc_del1_src(pmc, sfmode, &psfsrc[j]);
} else if (isexclude != (pmc->sfcount[MCAST_EXCLUDE] != 0)) {
#ifdef CONFIG_IP_MULTICAST
struct ip_sf_list *psf;
diff --git a/net/ipv4/inet_hashtables.c b/net/ipv4/inet_hashtables.c
index 3c0369a3a66..984ec656b03 100644
--- a/net/ipv4/inet_hashtables.c
+++ b/net/ipv4/inet_hashtables.c
@@ -21,6 +21,7 @@
#include <net/inet_connection_sock.h>
#include <net/inet_hashtables.h>
+#include <net/secure_seq.h>
#include <net/ip.h>
/*
diff --git a/net/ipv4/inetpeer.c b/net/ipv4/inetpeer.c
index e38213817d0..86f13c67ea8 100644
--- a/net/ipv4/inetpeer.c
+++ b/net/ipv4/inetpeer.c
@@ -19,6 +19,7 @@
#include <linux/net.h>
#include <net/ip.h>
#include <net/inetpeer.h>
+#include <net/secure_seq.h>
/*
* Theory of operations.
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index ccaaa851ab4..8c6563361ab 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -122,6 +122,7 @@ static int ip_dev_loopback_xmit(struct sk_buff *newskb)
newskb->pkt_type = PACKET_LOOPBACK;
newskb->ip_summed = CHECKSUM_UNNECESSARY;
WARN_ON(!skb_dst(newskb));
+ skb_dst_force(newskb);
netif_rx_ni(newskb);
return 0;
}
@@ -204,9 +205,15 @@ static inline int ip_finish_output2(struct sk_buff *skb)
skb = skb2;
}
+ rcu_read_lock();
neigh = dst_get_neighbour(dst);
- if (neigh)
- return neigh_output(neigh, skb);
+ if (neigh) {
+ int res = neigh_output(neigh, skb);
+
+ rcu_read_unlock();
+ return res;
+ }
+ rcu_read_unlock();
if (net_ratelimit())
printk(KERN_DEBUG "ip_finish_output2: No header cache and no neighbour!\n");
diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c
index ab0c9efd1ef..8905e92f896 100644
--- a/net/ipv4/ip_sockglue.c
+++ b/net/ipv4/ip_sockglue.c
@@ -1067,7 +1067,7 @@ EXPORT_SYMBOL(compat_ip_setsockopt);
*/
static int do_ip_getsockopt(struct sock *sk, int level, int optname,
- char __user *optval, int __user *optlen)
+ char __user *optval, int __user *optlen, unsigned flags)
{
struct inet_sock *inet = inet_sk(sk);
int val;
@@ -1240,7 +1240,7 @@ static int do_ip_getsockopt(struct sock *sk, int level, int optname,
msg.msg_control = optval;
msg.msg_controllen = len;
- msg.msg_flags = 0;
+ msg.msg_flags = flags;
if (inet->cmsg_flags & IP_CMSG_PKTINFO) {
struct in_pktinfo info;
@@ -1294,7 +1294,7 @@ int ip_getsockopt(struct sock *sk, int level,
{
int err;
- err = do_ip_getsockopt(sk, level, optname, optval, optlen);
+ err = do_ip_getsockopt(sk, level, optname, optval, optlen, 0);
#ifdef CONFIG_NETFILTER
/* we need to exclude all possible ENOPROTOOPTs except default case */
if (err == -ENOPROTOOPT && optname != IP_PKTOPTIONS &&
@@ -1327,7 +1327,8 @@ int compat_ip_getsockopt(struct sock *sk, int level, int optname,
return compat_mc_getsockopt(sk, level, optname, optval, optlen,
ip_getsockopt);
- err = do_ip_getsockopt(sk, level, optname, optval, optlen);
+ err = do_ip_getsockopt(sk, level, optname, optval, optlen,
+ MSG_CMSG_COMPAT);
#ifdef CONFIG_NETFILTER
/* we need to exclude all possible ENOPROTOOPTs except default case */
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index aae2bd8cd92..58e87915797 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -1796,7 +1796,7 @@ static struct mr_table *ipmr_rt_fib_lookup(struct net *net, struct sk_buff *skb)
struct flowi4 fl4 = {
.daddr = iph->daddr,
.saddr = iph->saddr,
- .flowi4_tos = iph->tos,
+ .flowi4_tos = RT_TOS(iph->tos),
.flowi4_oif = rt->rt_oif,
.flowi4_iif = rt->rt_iif,
.flowi4_mark = rt->rt_mark,
diff --git a/net/ipv4/netfilter.c b/net/ipv4/netfilter.c
index 2e97e3ec1eb..929b27bdeb7 100644
--- a/net/ipv4/netfilter.c
+++ b/net/ipv4/netfilter.c
@@ -18,17 +18,15 @@ int ip_route_me_harder(struct sk_buff *skb, unsigned addr_type)
struct rtable *rt;
struct flowi4 fl4 = {};
__be32 saddr = iph->saddr;
- __u8 flags = 0;
+ __u8 flags = skb->sk ? inet_sk_flowi_flags(skb->sk) : 0;
unsigned int hh_len;
- if (!skb->sk && addr_type != RTN_LOCAL) {
- if (addr_type == RTN_UNSPEC)
- addr_type = inet_addr_type(net, saddr);
- if (addr_type == RTN_LOCAL || addr_type == RTN_UNICAST)
- flags |= FLOWI_FLAG_ANYSRC;
- else
- saddr = 0;
- }
+ if (addr_type == RTN_UNSPEC)
+ addr_type = inet_addr_type(net, saddr);
+ if (addr_type == RTN_LOCAL || addr_type == RTN_UNICAST)
+ flags |= FLOWI_FLAG_ANYSRC;
+ else
+ saddr = 0;
/* some non-standard hacks like ipt_REJECT.c:send_reset() can cause
* packets with foreign saddr to appear on the NF_INET_LOCAL_OUT hook.
@@ -38,7 +36,7 @@ int ip_route_me_harder(struct sk_buff *skb, unsigned addr_type)
fl4.flowi4_tos = RT_TOS(iph->tos);
fl4.flowi4_oif = skb->sk ? skb->sk->sk_bound_dev_if : 0;
fl4.flowi4_mark = skb->mark;
- fl4.flowi4_flags = skb->sk ? inet_sk_flowi_flags(skb->sk) : flags;
+ fl4.flowi4_flags = flags;
rt = ip_route_output_key(net, &fl4);
if (IS_ERR(rt))
return -1;
diff --git a/net/ipv4/netfilter/ip_queue.c b/net/ipv4/netfilter/ip_queue.c
index 5c9b9d96391..e59aabd0eae 100644
--- a/net/ipv4/netfilter/ip_queue.c
+++ b/net/ipv4/netfilter/ip_queue.c
@@ -218,6 +218,7 @@ ipq_build_packet_message(struct nf_queue_entry *entry, int *errp)
return skb;
nlmsg_failure:
+ kfree_skb(skb);
*errp = -EINVAL;
printk(KERN_ERR "ip_queue: error creating packet message\n");
return NULL;
@@ -313,7 +314,7 @@ ipq_set_verdict(struct ipq_verdict_msg *vmsg, unsigned int len)
{
struct nf_queue_entry *entry;
- if (vmsg->value > NF_MAX_VERDICT)
+ if (vmsg->value > NF_MAX_VERDICT || vmsg->value == NF_STOLEN)
return -EINVAL;
entry = ipq_find_dequeue_entry(vmsg->id);
@@ -358,12 +359,9 @@ ipq_receive_peer(struct ipq_peer_msg *pmsg,
break;
case IPQM_VERDICT:
- if (pmsg->msg.verdict.value > NF_MAX_VERDICT)
- status = -EINVAL;
- else
- status = ipq_set_verdict(&pmsg->msg.verdict,
- len - sizeof(*pmsg));
- break;
+ status = ipq_set_verdict(&pmsg->msg.verdict,
+ len - sizeof(*pmsg));
+ break;
default:
status = -EINVAL;
}
diff --git a/net/ipv4/netfilter/nf_nat_proto_common.c b/net/ipv4/netfilter/nf_nat_proto_common.c
index 3e61faf23a9..f52d41ea069 100644
--- a/net/ipv4/netfilter/nf_nat_proto_common.c
+++ b/net/ipv4/netfilter/nf_nat_proto_common.c
@@ -12,6 +12,7 @@
#include <linux/ip.h>
#include <linux/netfilter.h>
+#include <net/secure_seq.h>
#include <net/netfilter/nf_nat.h>
#include <net/netfilter/nf_nat_core.h>
#include <net/netfilter/nf_nat_rule.h>
diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c
index b14ec7d03b6..4bfad5da94f 100644
--- a/net/ipv4/proc.c
+++ b/net/ipv4/proc.c
@@ -254,6 +254,8 @@ static const struct snmp_mib snmp4_net_list[] = {
SNMP_MIB_ITEM("TCPDeferAcceptDrop", LINUX_MIB_TCPDEFERACCEPTDROP),
SNMP_MIB_ITEM("IPReversePathFilter", LINUX_MIB_IPRPFILTER),
SNMP_MIB_ITEM("TCPTimeWaitOverflow", LINUX_MIB_TCPTIMEWAITOVERFLOW),
+ SNMP_MIB_ITEM("TCPReqQFullDoCookies", LINUX_MIB_TCPREQQFULLDOCOOKIES),
+ SNMP_MIB_ITEM("TCPReqQFullDrop", LINUX_MIB_TCPREQQFULLDROP),
SNMP_MIB_SENTINEL
};
diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
index 08526786dc3..61714bd5292 100644
--- a/net/ipv4/raw.c
+++ b/net/ipv4/raw.c
@@ -38,7 +38,7 @@
*/
#include <linux/types.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
#include <asm/byteorder.h>
#include <asm/current.h>
#include <asm/uaccess.h>
@@ -563,7 +563,8 @@ static int raw_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
flowi4_init_output(&fl4, ipc.oif, sk->sk_mark, tos,
RT_SCOPE_UNIVERSE,
inet->hdrincl ? IPPROTO_RAW : sk->sk_protocol,
- FLOWI_FLAG_CAN_SLEEP, daddr, saddr, 0, 0);
+ inet_sk_flowi_flags(sk) | FLOWI_FLAG_CAN_SLEEP,
+ daddr, saddr, 0, 0);
if (!inet->hdrincl) {
err = raw_probe_proto_opt(&fl4, msg);
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 33137307d52..075212e41b8 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -109,6 +109,7 @@
#include <linux/sysctl.h>
#endif
#include <net/atmclip.h>
+#include <net/secure_seq.h>
#define RT_FL_TOS(oldflp4) \
((u32)(oldflp4->flowi4_tos & (IPTOS_RT_MASK | RTO_ONLINK)))
@@ -721,7 +722,7 @@ static inline bool compare_hash_inputs(const struct rtable *rt1,
{
return ((((__force u32)rt1->rt_key_dst ^ (__force u32)rt2->rt_key_dst) |
((__force u32)rt1->rt_key_src ^ (__force u32)rt2->rt_key_src) |
- (rt1->rt_iif ^ rt2->rt_iif)) == 0);
+ (rt1->rt_route_iif ^ rt2->rt_route_iif)) == 0);
}
static inline int compare_keys(struct rtable *rt1, struct rtable *rt2)
@@ -730,8 +731,8 @@ static inline int compare_keys(struct rtable *rt1, struct rtable *rt2)
((__force u32)rt1->rt_key_src ^ (__force u32)rt2->rt_key_src) |
(rt1->rt_mark ^ rt2->rt_mark) |
(rt1->rt_key_tos ^ rt2->rt_key_tos) |
- (rt1->rt_oif ^ rt2->rt_oif) |
- (rt1->rt_iif ^ rt2->rt_iif)) == 0;
+ (rt1->rt_route_iif ^ rt2->rt_route_iif) |
+ (rt1->rt_oif ^ rt2->rt_oif)) == 0;
}
static inline int compare_netns(struct rtable *rt1, struct rtable *rt2)
@@ -1628,16 +1629,18 @@ static int check_peer_redir(struct dst_entry *dst, struct inet_peer *peer)
{
struct rtable *rt = (struct rtable *) dst;
__be32 orig_gw = rt->rt_gateway;
- struct neighbour *n;
+ struct neighbour *n, *old_n;
dst_confirm(&rt->dst);
- neigh_release(dst_get_neighbour(&rt->dst));
- dst_set_neighbour(&rt->dst, NULL);
-
rt->rt_gateway = peer->redirect_learned.a4;
- rt_bind_neighbour(rt);
- n = dst_get_neighbour(&rt->dst);
+
+ n = ipv4_neigh_lookup(&rt->dst, &rt->rt_gateway);
+ if (IS_ERR(n))
+ return PTR_ERR(n);
+ old_n = xchg(&rt->dst._neighbour, n);
+ if (old_n)
+ neigh_release(old_n);
if (!n || !(n->nud_state & NUD_VALID)) {
if (n)
neigh_event_send(n, NULL);
@@ -1740,7 +1743,7 @@ void ip_rt_get_source(u8 *addr, struct sk_buff *skb, struct rtable *rt)
memset(&fl4, 0, sizeof(fl4));
fl4.daddr = iph->daddr;
fl4.saddr = iph->saddr;
- fl4.flowi4_tos = iph->tos;
+ fl4.flowi4_tos = RT_TOS(iph->tos);
fl4.flowi4_oif = rt->dst.dev->ifindex;
fl4.flowi4_iif = skb->dev->ifindex;
fl4.flowi4_mark = skb->mark;
@@ -2317,8 +2320,7 @@ int ip_route_input_common(struct sk_buff *skb, __be32 daddr, __be32 saddr,
rth = rcu_dereference(rth->dst.rt_next)) {
if ((((__force u32)rth->rt_key_dst ^ (__force u32)daddr) |
((__force u32)rth->rt_key_src ^ (__force u32)saddr) |
- (rth->rt_iif ^ iif) |
- rth->rt_oif |
+ (rth->rt_route_iif ^ iif) |
(rth->rt_key_tos ^ tos)) == 0 &&
rth->rt_mark == skb->mark &&
net_eq(dev_net(rth->dst.dev), net) &&
diff --git a/net/ipv4/syncookies.c b/net/ipv4/syncookies.c
index 92bb9434b33..3bc5c8f7c71 100644
--- a/net/ipv4/syncookies.c
+++ b/net/ipv4/syncookies.c
@@ -276,7 +276,7 @@ struct sock *cookie_v4_check(struct sock *sk, struct sk_buff *skb,
int mss;
struct rtable *rt;
__u8 rcv_wscale;
- bool ecn_ok;
+ bool ecn_ok = false;
if (!sysctl_tcp_syncookies || !th->ack || th->rst)
goto out;
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index ea0d2183df4..d73aab3fbfc 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -1124,7 +1124,7 @@ static int tcp_is_sackblock_valid(struct tcp_sock *tp, int is_dsack,
return 0;
/* ...Then it's D-SACK, and must reside below snd_una completely */
- if (!after(end_seq, tp->snd_una))
+ if (after(end_seq, tp->snd_una))
return 0;
if (!before(start_seq, tp->undo_marker))
@@ -1389,9 +1389,7 @@ static int tcp_shifted_skb(struct sock *sk, struct sk_buff *skb,
BUG_ON(!pcount);
- /* Tweak before seqno plays */
- if (!tcp_is_fack(tp) && tcp_is_sack(tp) && tp->lost_skb_hint &&
- !before(TCP_SKB_CB(tp->lost_skb_hint)->seq, TCP_SKB_CB(skb)->seq))
+ if (skb == tp->lost_skb_hint)
tp->lost_cnt_hint += pcount;
TCP_SKB_CB(prev)->end_seq += shifted;
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 955b8e65b69..7963e03f106 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -72,6 +72,7 @@
#include <net/timewait_sock.h>
#include <net/xfrm.h>
#include <net/netdma.h>
+#include <net/secure_seq.h>
#include <linux/inet.h>
#include <linux/ipv6.h>
@@ -807,20 +808,38 @@ static void tcp_v4_reqsk_destructor(struct request_sock *req)
kfree(inet_rsk(req)->opt);
}
-static void syn_flood_warning(const struct sk_buff *skb)
+/*
+ * Return 1 if a syncookie should be sent
+ */
+int tcp_syn_flood_action(struct sock *sk,
+ const struct sk_buff *skb,
+ const char *proto)
{
- const char *msg;
+ const char *msg = "Dropping request";
+ int want_cookie = 0;
+ struct listen_sock *lopt;
+
+
#ifdef CONFIG_SYN_COOKIES
- if (sysctl_tcp_syncookies)
+ if (sysctl_tcp_syncookies) {
msg = "Sending cookies";
- else
+ want_cookie = 1;
+ NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_TCPREQQFULLDOCOOKIES);
+ } else
#endif
- msg = "Dropping request";
+ NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_TCPREQQFULLDROP);
- pr_info("TCP: Possible SYN flooding on port %d. %s.\n",
- ntohs(tcp_hdr(skb)->dest), msg);
+ lopt = inet_csk(sk)->icsk_accept_queue.listen_opt;
+ if (!lopt->synflood_warned) {
+ lopt->synflood_warned = 1;
+ pr_info("%s: Possible SYN flooding on port %d. %s. "
+ " Check SNMP counters.\n",
+ proto, ntohs(tcp_hdr(skb)->dest), msg);
+ }
+ return want_cookie;
}
+EXPORT_SYMBOL(tcp_syn_flood_action);
/*
* Save and compile IPv4 options into the request_sock if needed.
@@ -908,18 +927,21 @@ int tcp_v4_md5_do_add(struct sock *sk, __be32 addr,
}
sk_nocaps_add(sk, NETIF_F_GSO_MASK);
}
- if (tcp_alloc_md5sig_pool(sk) == NULL) {
+
+ md5sig = tp->md5sig_info;
+ if (md5sig->entries4 == 0 &&
+ tcp_alloc_md5sig_pool(sk) == NULL) {
kfree(newkey);
return -ENOMEM;
}
- md5sig = tp->md5sig_info;
if (md5sig->alloced4 == md5sig->entries4) {
keys = kmalloc((sizeof(*keys) *
(md5sig->entries4 + 1)), GFP_ATOMIC);
if (!keys) {
kfree(newkey);
- tcp_free_md5sig_pool();
+ if (md5sig->entries4 == 0)
+ tcp_free_md5sig_pool();
return -ENOMEM;
}
@@ -963,6 +985,7 @@ int tcp_v4_md5_do_del(struct sock *sk, __be32 addr)
kfree(tp->md5sig_info->keys4);
tp->md5sig_info->keys4 = NULL;
tp->md5sig_info->alloced4 = 0;
+ tcp_free_md5sig_pool();
} else if (tp->md5sig_info->entries4 != i) {
/* Need to do some manipulation */
memmove(&tp->md5sig_info->keys4[i],
@@ -970,7 +993,6 @@ int tcp_v4_md5_do_del(struct sock *sk, __be32 addr)
(tp->md5sig_info->entries4 - i) *
sizeof(struct tcp4_md5sig_key));
}
- tcp_free_md5sig_pool();
return 0;
}
}
@@ -1234,11 +1256,7 @@ int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb)
__be32 saddr = ip_hdr(skb)->saddr;
__be32 daddr = ip_hdr(skb)->daddr;
__u32 isn = TCP_SKB_CB(skb)->when;
-#ifdef CONFIG_SYN_COOKIES
int want_cookie = 0;
-#else
-#define want_cookie 0 /* Argh, why doesn't gcc optimize this :( */
-#endif
/* Never answer to SYNs send to broadcast or multicast */
if (skb_rtable(skb)->rt_flags & (RTCF_BROADCAST | RTCF_MULTICAST))
@@ -1249,14 +1267,9 @@ int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb)
* evidently real one.
*/
if (inet_csk_reqsk_queue_is_full(sk) && !isn) {
- if (net_ratelimit())
- syn_flood_warning(skb);
-#ifdef CONFIG_SYN_COOKIES
- if (sysctl_tcp_syncookies) {
- want_cookie = 1;
- } else
-#endif
- goto drop;
+ want_cookie = tcp_syn_flood_action(sk, skb, "TCP");
+ if (!want_cookie)
+ goto drop;
}
/* Accept backlog is full. If we have already queued enough
@@ -1302,9 +1315,7 @@ int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb)
while (l-- > 0)
*c++ ^= *hash_location++;
-#ifdef CONFIG_SYN_COOKIES
want_cookie = 0; /* not our kind of cookie */
-#endif
tmp_ext.cookie_out_never = 0; /* false */
tmp_ext.cookie_plus = tmp_opt.cookie_plus;
} else if (!tp->rx_opt.cookie_in_always) {
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index a06c53c14d8..12368c58606 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -374,8 +374,8 @@ static struct inet6_dev * ipv6_add_dev(struct net_device *dev)
"%s(): cannot allocate memory for statistics; dev=%s.\n",
__func__, dev->name));
neigh_parms_release(&nd_tbl, ndev->nd_parms);
- ndev->dead = 1;
- in6_dev_finish_destroy(ndev);
+ dev_put(dev);
+ kfree(ndev);
return NULL;
}
@@ -656,7 +656,7 @@ ipv6_add_addr(struct inet6_dev *idev, const struct in6_addr *addr, int pfxlen,
* layer address of our nexhop router
*/
- if (dst_get_neighbour(&rt->dst) == NULL)
+ if (dst_get_neighbour_raw(&rt->dst) == NULL)
ifa->flags &= ~IFA_F_OPTIMISTIC;
ifa->idev = idev;
@@ -1481,6 +1481,8 @@ static void addrconf_join_anycast(struct inet6_ifaddr *ifp)
static void addrconf_leave_anycast(struct inet6_ifaddr *ifp)
{
struct in6_addr addr;
+ if (ifp->prefix_len == 127) /* RFC 6164 */
+ return;
ipv6_addr_prefix(&addr, &ifp->addr, ifp->prefix_len);
if (ipv6_addr_any(&addr))
return;
diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c
index 16560336eb7..b46e9f88ce3 100644
--- a/net/ipv6/datagram.c
+++ b/net/ipv6/datagram.c
@@ -33,6 +33,11 @@
#include <linux/errqueue.h>
#include <asm/uaccess.h>
+static inline int ipv6_mapped_addr_any(const struct in6_addr *a)
+{
+ return (ipv6_addr_v4mapped(a) && (a->s6_addr32[3] == 0));
+}
+
int ip6_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
{
struct sockaddr_in6 *usin = (struct sockaddr_in6 *) uaddr;
@@ -102,10 +107,12 @@ ipv4_connected:
ipv6_addr_set_v4mapped(inet->inet_daddr, &np->daddr);
- if (ipv6_addr_any(&np->saddr))
+ if (ipv6_addr_any(&np->saddr) ||
+ ipv6_mapped_addr_any(&np->saddr))
ipv6_addr_set_v4mapped(inet->inet_saddr, &np->saddr);
- if (ipv6_addr_any(&np->rcv_saddr)) {
+ if (ipv6_addr_any(&np->rcv_saddr) ||
+ ipv6_mapped_addr_any(&np->rcv_saddr)) {
ipv6_addr_set_v4mapped(inet->inet_rcv_saddr,
&np->rcv_saddr);
if (sk->sk_prot->rehash)
@@ -592,7 +599,7 @@ int datagram_recv_ctl(struct sock *sk, struct msghdr *msg, struct sk_buff *skb)
return 0;
}
-int datagram_send_ctl(struct net *net,
+int datagram_send_ctl(struct net *net, struct sock *sk,
struct msghdr *msg, struct flowi6 *fl6,
struct ipv6_txoptions *opt,
int *hlimit, int *tclass, int *dontfrag)
@@ -651,7 +658,8 @@ int datagram_send_ctl(struct net *net,
if (addr_type != IPV6_ADDR_ANY) {
int strict = __ipv6_addr_src_scope(addr_type) <= IPV6_ADDR_SCOPE_LINKLOCAL;
- if (!ipv6_chk_addr(net, &src_info->ipi6_addr,
+ if (!inet_sk(sk)->transparent &&
+ !ipv6_chk_addr(net, &src_info->ipi6_addr,
strict ? dev : NULL, 0))
err = -EINVAL;
else
diff --git a/net/ipv6/inet6_hashtables.c b/net/ipv6/inet6_hashtables.c
index b5319723370..73f1a00a96a 100644
--- a/net/ipv6/inet6_hashtables.c
+++ b/net/ipv6/inet6_hashtables.c
@@ -20,6 +20,7 @@
#include <net/inet_connection_sock.h>
#include <net/inet_hashtables.h>
#include <net/inet6_hashtables.h>
+#include <net/secure_seq.h>
#include <net/ip.h>
int __inet6_hash(struct sock *sk, struct inet_timewait_sock *tw)
diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index 54a4678955b..320d91d20ad 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -1455,7 +1455,7 @@ static int fib6_age(struct rt6_info *rt, void *arg)
RT6_TRACE("aging clone %p\n", rt);
return -1;
} else if ((rt->rt6i_flags & RTF_GATEWAY) &&
- (!(dst_get_neighbour(&rt->dst)->flags & NTF_ROUTER))) {
+ (!(dst_get_neighbour_raw(&rt->dst)->flags & NTF_ROUTER))) {
RT6_TRACE("purging route %p via non-router but gateway\n",
rt);
return -1;
diff --git a/net/ipv6/ip6_flowlabel.c b/net/ipv6/ip6_flowlabel.c
index f3caf1b8d57..54303945019 100644
--- a/net/ipv6/ip6_flowlabel.c
+++ b/net/ipv6/ip6_flowlabel.c
@@ -322,8 +322,8 @@ static int fl6_renew(struct ip6_flowlabel *fl, unsigned long linger, unsigned lo
}
static struct ip6_flowlabel *
-fl_create(struct net *net, struct in6_flowlabel_req *freq, char __user *optval,
- int optlen, int *err_p)
+fl_create(struct net *net, struct sock *sk, struct in6_flowlabel_req *freq,
+ char __user *optval, int optlen, int *err_p)
{
struct ip6_flowlabel *fl = NULL;
int olen;
@@ -360,7 +360,7 @@ fl_create(struct net *net, struct in6_flowlabel_req *freq, char __user *optval,
msg.msg_control = (void*)(fl->opt+1);
memset(&flowi6, 0, sizeof(flowi6));
- err = datagram_send_ctl(net, &msg, &flowi6, fl->opt, &junk,
+ err = datagram_send_ctl(net, sk, &msg, &flowi6, fl->opt, &junk,
&junk, &junk);
if (err)
goto done;
@@ -528,7 +528,7 @@ int ipv6_flowlabel_opt(struct sock *sk, char __user *optval, int optlen)
if (freq.flr_label & ~IPV6_FLOWLABEL_MASK)
return -EINVAL;
- fl = fl_create(net, &freq, optval, optlen, &err);
+ fl = fl_create(net, sk, &freq, optval, optlen, &err);
if (fl == NULL)
return err;
sfl1 = kmalloc(sizeof(*sfl1), GFP_KERNEL);
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 32e5339db0c..4c882cf4e8a 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -135,10 +135,15 @@ static int ip6_finish_output2(struct sk_buff *skb)
skb->len);
}
+ rcu_read_lock();
neigh = dst_get_neighbour(dst);
- if (neigh)
- return neigh_output(neigh, skb);
+ if (neigh) {
+ int res = neigh_output(neigh, skb);
+ rcu_read_unlock();
+ return res;
+ }
+ rcu_read_unlock();
IP6_INC_STATS_BH(dev_net(dst->dev),
ip6_dst_idev(dst), IPSTATS_MIB_OUTNOROUTES);
kfree_skb(skb);
@@ -975,12 +980,14 @@ static int ip6_dst_lookup_tail(struct sock *sk,
* dst entry and replace it instead with the
* dst entry of the nexthop router
*/
+ rcu_read_lock();
n = dst_get_neighbour(*dst);
if (n && !(n->nud_state & NUD_VALID)) {
struct inet6_ifaddr *ifp;
struct flowi6 fl_gw6;
int redirect;
+ rcu_read_unlock();
ifp = ipv6_get_ifaddr(net, &fl6->saddr,
(*dst)->dev, 1);
@@ -1000,6 +1007,8 @@ static int ip6_dst_lookup_tail(struct sock *sk,
if ((err = (*dst)->error))
goto out_err_release;
}
+ } else {
+ rcu_read_unlock();
}
#endif
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 36c2842a86b..0bc98886c38 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -40,7 +40,7 @@
#include <linux/slab.h>
#include <asm/uaccess.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
#include <net/icmp.h>
#include <net/ip.h>
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index 705c8288628..def0538e241 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -696,8 +696,10 @@ static netdev_tx_t reg_vif_xmit(struct sk_buff *skb,
int err;
err = ip6mr_fib_lookup(net, &fl6, &mrt);
- if (err < 0)
+ if (err < 0) {
+ kfree_skb(skb);
return err;
+ }
read_lock(&mrt_lock);
dev->stats.tx_bytes += skb->len;
@@ -2052,8 +2054,10 @@ int ip6_mr_input(struct sk_buff *skb)
int err;
err = ip6mr_fib_lookup(net, &fl6, &mrt);
- if (err < 0)
+ if (err < 0) {
+ kfree_skb(skb);
return err;
+ }
read_lock(&mrt_lock);
cache = ip6mr_cache_find(mrt,
diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index 9cb191ecaba..2fbda5fc4cc 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -475,7 +475,7 @@ sticky_done:
msg.msg_controllen = optlen;
msg.msg_control = (void*)(opt+1);
- retv = datagram_send_ctl(net, &msg, &fl6, opt, &junk, &junk,
+ retv = datagram_send_ctl(net, sk, &msg, &fl6, opt, &junk, &junk,
&junk);
if (retv)
goto done;
@@ -913,7 +913,7 @@ static int ipv6_getsockopt_sticky(struct sock *sk, struct ipv6_txoptions *opt,
}
static int do_ipv6_getsockopt(struct sock *sk, int level, int optname,
- char __user *optval, int __user *optlen)
+ char __user *optval, int __user *optlen, unsigned flags)
{
struct ipv6_pinfo *np = inet6_sk(sk);
int len;
@@ -962,7 +962,7 @@ static int do_ipv6_getsockopt(struct sock *sk, int level, int optname,
msg.msg_control = optval;
msg.msg_controllen = len;
- msg.msg_flags = 0;
+ msg.msg_flags = flags;
lock_sock(sk);
skb = np->pktoptions;
@@ -1222,7 +1222,7 @@ int ipv6_getsockopt(struct sock *sk, int level, int optname,
if(level != SOL_IPV6)
return -ENOPROTOOPT;
- err = do_ipv6_getsockopt(sk, level, optname, optval, optlen);
+ err = do_ipv6_getsockopt(sk, level, optname, optval, optlen, 0);
#ifdef CONFIG_NETFILTER
/* we need to exclude all possible ENOPROTOOPTs except default case */
if (err == -ENOPROTOOPT && optname != IPV6_2292PKTOPTIONS) {
@@ -1264,7 +1264,8 @@ int compat_ipv6_getsockopt(struct sock *sk, int level, int optname,
return compat_mc_getsockopt(sk, level, optname, optval, optlen,
ipv6_getsockopt);
- err = do_ipv6_getsockopt(sk, level, optname, optval, optlen);
+ err = do_ipv6_getsockopt(sk, level, optname, optval, optlen,
+ MSG_CMSG_COMPAT);
#ifdef CONFIG_NETFILTER
/* we need to exclude all possible ENOPROTOOPTs except default case */
if (err == -ENOPROTOOPT && optname != IPV6_2292PKTOPTIONS) {
diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index 3e6ebcdb477..ee7839f4d6e 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -1059,7 +1059,7 @@ static int mld_xmarksources(struct ifmcaddr6 *pmc, int nsrcs,
break;
for (i=0; i<nsrcs; i++) {
/* skip inactive filters */
- if (pmc->mca_sfcount[MCAST_INCLUDE] ||
+ if (psf->sf_count[MCAST_INCLUDE] ||
pmc->mca_sfcount[MCAST_EXCLUDE] !=
psf->sf_count[MCAST_EXCLUDE])
continue;
diff --git a/net/ipv6/netfilter/ip6_queue.c b/net/ipv6/netfilter/ip6_queue.c
index 24939486328..e63c3972a73 100644
--- a/net/ipv6/netfilter/ip6_queue.c
+++ b/net/ipv6/netfilter/ip6_queue.c
@@ -218,6 +218,7 @@ ipq_build_packet_message(struct nf_queue_entry *entry, int *errp)
return skb;
nlmsg_failure:
+ kfree_skb(skb);
*errp = -EINVAL;
printk(KERN_ERR "ip6_queue: error creating packet message\n");
return NULL;
@@ -313,7 +314,7 @@ ipq_set_verdict(struct ipq_verdict_msg *vmsg, unsigned int len)
{
struct nf_queue_entry *entry;
- if (vmsg->value > NF_MAX_VERDICT)
+ if (vmsg->value > NF_MAX_VERDICT || vmsg->value == NF_STOLEN)
return -EINVAL;
entry = ipq_find_dequeue_entry(vmsg->id);
@@ -358,12 +359,9 @@ ipq_receive_peer(struct ipq_peer_msg *pmsg,
break;
case IPQM_VERDICT:
- if (pmsg->msg.verdict.value > NF_MAX_VERDICT)
- status = -EINVAL;
- else
- status = ipq_set_verdict(&pmsg->msg.verdict,
- len - sizeof(*pmsg));
- break;
+ status = ipq_set_verdict(&pmsg->msg.verdict,
+ len - sizeof(*pmsg));
+ break;
default:
status = -EINVAL;
}
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index 6a79f3081bd..343852e5c70 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -817,8 +817,8 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk,
memset(opt, 0, sizeof(struct ipv6_txoptions));
opt->tot_len = sizeof(struct ipv6_txoptions);
- err = datagram_send_ctl(sock_net(sk), msg, &fl6, opt, &hlimit,
- &tclass, &dontfrag);
+ err = datagram_send_ctl(sock_net(sk), sk, msg, &fl6, opt,
+ &hlimit, &tclass, &dontfrag);
if (err < 0) {
fl6_sock_release(flowlabel);
return err;
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index e8987da0666..fb545edef6e 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -104,6 +104,9 @@ static u32 *ipv6_cow_metrics(struct dst_entry *dst, unsigned long old)
struct inet_peer *peer;
u32 *p = NULL;
+ if (!(rt->dst.flags & DST_HOST))
+ return NULL;
+
if (!rt->rt6i_peer)
rt6_bind_peer(rt, 1);
@@ -241,7 +244,9 @@ static inline struct rt6_info *ip6_dst_alloc(struct dst_ops *ops,
{
struct rt6_info *rt = dst_alloc(ops, dev, 0, 0, flags);
- memset(&rt->rt6i_table, 0, sizeof(*rt) - sizeof(struct dst_entry));
+ if (rt != NULL)
+ memset(&rt->rt6i_table, 0,
+ sizeof(*rt) - sizeof(struct dst_entry));
return rt;
}
@@ -252,6 +257,9 @@ static void ip6_dst_destroy(struct dst_entry *dst)
struct inet6_dev *idev = rt->rt6i_idev;
struct inet_peer *peer = rt->rt6i_peer;
+ if (!(rt->dst.flags & DST_HOST))
+ dst_destroy_metrics_generic(dst);
+
if (idev != NULL) {
rt->rt6i_idev = NULL;
in6_dev_put(idev);
@@ -364,7 +372,7 @@ out:
#ifdef CONFIG_IPV6_ROUTER_PREF
static void rt6_probe(struct rt6_info *rt)
{
- struct neighbour *neigh = rt ? dst_get_neighbour(&rt->dst) : NULL;
+ struct neighbour *neigh;
/*
* Okay, this does not seem to be appropriate
* for now, however, we need to check if it
@@ -373,8 +381,10 @@ static void rt6_probe(struct rt6_info *rt)
* Router Reachability Probe MUST be rate-limited
* to no more than one per minute.
*/
+ rcu_read_lock();
+ neigh = rt ? dst_get_neighbour(&rt->dst) : NULL;
if (!neigh || (neigh->nud_state & NUD_VALID))
- return;
+ goto out;
read_lock_bh(&neigh->lock);
if (!(neigh->nud_state & NUD_VALID) &&
time_after(jiffies, neigh->updated + rt->rt6i_idev->cnf.rtr_probe_interval)) {
@@ -387,8 +397,11 @@ static void rt6_probe(struct rt6_info *rt)
target = (struct in6_addr *)&neigh->primary_key;
addrconf_addr_solict_mult(target, &mcaddr);
ndisc_send_ns(rt->rt6i_dev, NULL, target, &mcaddr, NULL);
- } else
+ } else {
read_unlock_bh(&neigh->lock);
+ }
+out:
+ rcu_read_unlock();
}
#else
static inline void rt6_probe(struct rt6_info *rt)
@@ -412,8 +425,11 @@ static inline int rt6_check_dev(struct rt6_info *rt, int oif)
static inline int rt6_check_neigh(struct rt6_info *rt)
{
- struct neighbour *neigh = dst_get_neighbour(&rt->dst);
+ struct neighbour *neigh;
int m;
+
+ rcu_read_lock();
+ neigh = dst_get_neighbour(&rt->dst);
if (rt->rt6i_flags & RTF_NONEXTHOP ||
!(rt->rt6i_flags & RTF_GATEWAY))
m = 1;
@@ -430,6 +446,7 @@ static inline int rt6_check_neigh(struct rt6_info *rt)
read_unlock_bh(&neigh->lock);
} else
m = 0;
+ rcu_read_unlock();
return m;
}
@@ -714,9 +731,7 @@ static struct rt6_info *rt6_alloc_cow(const struct rt6_info *ort,
ipv6_addr_copy(&rt->rt6i_gateway, daddr);
}
- rt->rt6i_dst.plen = 128;
rt->rt6i_flags |= RTF_CACHE;
- rt->dst.flags |= DST_HOST;
#ifdef CONFIG_IPV6_SUBTREES
if (rt->rt6i_src.plen && saddr) {
@@ -766,10 +781,8 @@ static struct rt6_info *rt6_alloc_clone(struct rt6_info *ort,
struct rt6_info *rt = ip6_rt_copy(ort, daddr);
if (rt) {
- rt->rt6i_dst.plen = 128;
rt->rt6i_flags |= RTF_CACHE;
- rt->dst.flags |= DST_HOST;
- dst_set_neighbour(&rt->dst, neigh_clone(dst_get_neighbour(&ort->dst)));
+ dst_set_neighbour(&rt->dst, neigh_clone(dst_get_neighbour_raw(&ort->dst)));
}
return rt;
}
@@ -803,7 +816,7 @@ restart:
dst_hold(&rt->dst);
read_unlock_bh(&table->tb6_lock);
- if (!dst_get_neighbour(&rt->dst) && !(rt->rt6i_flags & RTF_NONEXTHOP))
+ if (!dst_get_neighbour_raw(&rt->dst) && !(rt->rt6i_flags & RTF_NONEXTHOP))
nrt = rt6_alloc_cow(rt, &fl6->daddr, &fl6->saddr);
else if (!(rt->dst.flags & DST_HOST))
nrt = rt6_alloc_clone(rt, &fl6->daddr);
@@ -1069,12 +1082,15 @@ struct dst_entry *icmp6_dst_alloc(struct net_device *dev,
neigh = NULL;
}
- rt->rt6i_idev = idev;
+ rt->dst.flags |= DST_HOST;
+ rt->dst.output = ip6_output;
dst_set_neighbour(&rt->dst, neigh);
atomic_set(&rt->dst.__refcnt, 1);
- ipv6_addr_copy(&rt->rt6i_dst.addr, addr);
dst_metric_set(&rt->dst, RTAX_HOPLIMIT, 255);
- rt->dst.output = ip6_output;
+
+ ipv6_addr_copy(&rt->rt6i_dst.addr, addr);
+ rt->rt6i_dst.plen = 128;
+ rt->rt6i_idev = idev;
spin_lock_bh(&icmp6_dst_lock);
rt->dst.next = icmp6_dst_gc_list;
@@ -1252,6 +1268,14 @@ int ip6_route_add(struct fib6_config *cfg)
if (rt->rt6i_dst.plen == 128)
rt->dst.flags |= DST_HOST;
+ if (!(rt->dst.flags & DST_HOST) && cfg->fc_mx) {
+ u32 *metrics = kzalloc(sizeof(u32) * RTAX_MAX, GFP_KERNEL);
+ if (!metrics) {
+ err = -ENOMEM;
+ goto out;
+ }
+ dst_init_metrics(&rt->dst, metrics, 0);
+ }
#ifdef CONFIG_IPV6_SUBTREES
ipv6_addr_prefix(&rt->rt6i_src.addr, &cfg->fc_src, cfg->fc_src_len);
rt->rt6i_src.plen = cfg->fc_src_len;
@@ -1587,7 +1611,7 @@ void rt6_redirect(const struct in6_addr *dest, const struct in6_addr *src,
dst_confirm(&rt->dst);
/* Duplicate redirect: silently ignore. */
- if (neigh == dst_get_neighbour(&rt->dst))
+ if (neigh == dst_get_neighbour_raw(&rt->dst))
goto out;
nrt = ip6_rt_copy(rt, dest);
@@ -1598,9 +1622,6 @@ void rt6_redirect(const struct in6_addr *dest, const struct in6_addr *src,
if (on_link)
nrt->rt6i_flags &= ~RTF_GATEWAY;
- nrt->rt6i_dst.plen = 128;
- nrt->dst.flags |= DST_HOST;
-
ipv6_addr_copy(&nrt->rt6i_gateway, (struct in6_addr*)neigh->primary_key);
dst_set_neighbour(&nrt->dst, neigh_clone(neigh));
@@ -1682,7 +1703,7 @@ again:
1. It is connected route. Action: COW
2. It is gatewayed route or NONEXTHOP route. Action: clone it.
*/
- if (!dst_get_neighbour(&rt->dst) && !(rt->rt6i_flags & RTF_NONEXTHOP))
+ if (!dst_get_neighbour_raw(&rt->dst) && !(rt->rt6i_flags & RTF_NONEXTHOP))
nrt = rt6_alloc_cow(rt, daddr, saddr);
else
nrt = rt6_alloc_clone(rt, daddr);
@@ -1745,9 +1766,10 @@ static struct rt6_info *ip6_rt_copy(const struct rt6_info *ort,
if (rt) {
rt->dst.input = ort->dst.input;
rt->dst.output = ort->dst.output;
+ rt->dst.flags |= DST_HOST;
ipv6_addr_copy(&rt->rt6i_dst.addr, dest);
- rt->rt6i_dst.plen = ort->rt6i_dst.plen;
+ rt->rt6i_dst.plen = 128;
dst_copy_metrics(&rt->dst, &ort->dst);
rt->dst.error = ort->dst.error;
rt->rt6i_idev = ort->rt6i_idev;
@@ -2326,6 +2348,7 @@ static int rt6_fill_node(struct net *net,
struct nlmsghdr *nlh;
long expires;
u32 table;
+ struct neighbour *n;
if (prefix) { /* user wants prefix routes only */
if (!(rt->rt6i_flags & RTF_PREFIX_RT)) {
@@ -2414,8 +2437,11 @@ static int rt6_fill_node(struct net *net,
if (rtnetlink_put_metrics(skb, dst_metrics_ptr(&rt->dst)) < 0)
goto nla_put_failure;
- if (dst_get_neighbour(&rt->dst))
- NLA_PUT(skb, RTA_GATEWAY, 16, &dst_get_neighbour(&rt->dst)->primary_key);
+ rcu_read_lock();
+ n = dst_get_neighbour(&rt->dst);
+ if (n)
+ NLA_PUT(skb, RTA_GATEWAY, 16, &n->primary_key);
+ rcu_read_unlock();
if (rt->dst.dev)
NLA_PUT_U32(skb, RTA_OIF, rt->rt6i_dev->ifindex);
@@ -2608,12 +2634,14 @@ static int rt6_info_route(struct rt6_info *rt, void *p_arg)
#else
seq_puts(m, "00000000000000000000000000000000 00 ");
#endif
+ rcu_read_lock();
n = dst_get_neighbour(&rt->dst);
if (n) {
seq_printf(m, "%pi6", n->primary_key);
} else {
seq_puts(m, "00000000000000000000000000000000");
}
+ rcu_read_unlock();
seq_printf(m, " %08x %08x %08x %08x %8s\n",
rt->rt6i_metric, atomic_read(&rt->dst.__refcnt),
rt->dst.__use, rt->rt6i_flags,
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index 07bf1085458..00b15ac7a70 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -672,6 +672,9 @@ static netdev_tx_t ipip6_tunnel_xmit(struct sk_buff *skb,
if (skb->protocol != htons(ETH_P_IPV6))
goto tx_error;
+ if (tos == 1)
+ tos = ipv6_get_dsfield(iph6);
+
/* ISATAP (RFC4214) - must come before 6to4 */
if (dev->priv_flags & IFF_ISATAP) {
struct neighbour *neigh = NULL;
diff --git a/net/ipv6/syncookies.c b/net/ipv6/syncookies.c
index 89d5bf80622..ac838965ff3 100644
--- a/net/ipv6/syncookies.c
+++ b/net/ipv6/syncookies.c
@@ -165,7 +165,7 @@ struct sock *cookie_v6_check(struct sock *sk, struct sk_buff *skb)
int mss;
struct dst_entry *dst;
__u8 rcv_wscale;
- bool ecn_ok;
+ bool ecn_ok = false;
if (!sysctl_tcp_syncookies || !th->ack || th->rst)
goto out;
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 78aa53492b3..7b8fc579435 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -61,6 +61,7 @@
#include <net/timewait_sock.h>
#include <net/netdma.h>
#include <net/inet_common.h>
+#include <net/secure_seq.h>
#include <asm/uaccess.h>
@@ -530,20 +531,6 @@ static int tcp_v6_rtx_synack(struct sock *sk, struct request_sock *req,
return tcp_v6_send_synack(sk, req, rvp);
}
-static inline void syn_flood_warning(struct sk_buff *skb)
-{
-#ifdef CONFIG_SYN_COOKIES
- if (sysctl_tcp_syncookies)
- printk(KERN_INFO
- "TCPv6: Possible SYN flooding on port %d. "
- "Sending cookies.\n", ntohs(tcp_hdr(skb)->dest));
- else
-#endif
- printk(KERN_INFO
- "TCPv6: Possible SYN flooding on port %d. "
- "Dropping request.\n", ntohs(tcp_hdr(skb)->dest));
-}
-
static void tcp_v6_reqsk_destructor(struct request_sock *req)
{
kfree_skb(inet6_rsk(req)->pktopts);
@@ -604,7 +591,8 @@ static int tcp_v6_md5_do_add(struct sock *sk, const struct in6_addr *peer,
}
sk_nocaps_add(sk, NETIF_F_GSO_MASK);
}
- if (tcp_alloc_md5sig_pool(sk) == NULL) {
+ if (tp->md5sig_info->entries6 == 0 &&
+ tcp_alloc_md5sig_pool(sk) == NULL) {
kfree(newkey);
return -ENOMEM;
}
@@ -613,8 +601,9 @@ static int tcp_v6_md5_do_add(struct sock *sk, const struct in6_addr *peer,
(tp->md5sig_info->entries6 + 1)), GFP_ATOMIC);
if (!keys) {
- tcp_free_md5sig_pool();
kfree(newkey);
+ if (tp->md5sig_info->entries6 == 0)
+ tcp_free_md5sig_pool();
return -ENOMEM;
}
@@ -660,6 +649,7 @@ static int tcp_v6_md5_do_del(struct sock *sk, const struct in6_addr *peer)
kfree(tp->md5sig_info->keys6);
tp->md5sig_info->keys6 = NULL;
tp->md5sig_info->alloced6 = 0;
+ tcp_free_md5sig_pool();
} else {
/* shrink the database */
if (tp->md5sig_info->entries6 != i)
@@ -668,7 +658,6 @@ static int tcp_v6_md5_do_del(struct sock *sk, const struct in6_addr *peer)
(tp->md5sig_info->entries6 - i)
* sizeof (tp->md5sig_info->keys6[0]));
}
- tcp_free_md5sig_pool();
return 0;
}
}
@@ -1178,11 +1167,7 @@ static int tcp_v6_conn_request(struct sock *sk, struct sk_buff *skb)
struct tcp_sock *tp = tcp_sk(sk);
__u32 isn = TCP_SKB_CB(skb)->when;
struct dst_entry *dst = NULL;
-#ifdef CONFIG_SYN_COOKIES
int want_cookie = 0;
-#else
-#define want_cookie 0
-#endif
if (skb->protocol == htons(ETH_P_IP))
return tcp_v4_conn_request(sk, skb);
@@ -1191,14 +1176,9 @@ static int tcp_v6_conn_request(struct sock *sk, struct sk_buff *skb)
goto drop;
if (inet_csk_reqsk_queue_is_full(sk) && !isn) {
- if (net_ratelimit())
- syn_flood_warning(skb);
-#ifdef CONFIG_SYN_COOKIES
- if (sysctl_tcp_syncookies)
- want_cookie = 1;
- else
-#endif
- goto drop;
+ want_cookie = tcp_syn_flood_action(sk, skb, "TCPv6");
+ if (!want_cookie)
+ goto drop;
}
if (sk_acceptq_is_full(sk) && inet_csk_reqsk_queue_young(sk) > 1)
@@ -1248,9 +1228,7 @@ static int tcp_v6_conn_request(struct sock *sk, struct sk_buff *skb)
while (l-- > 0)
*c++ ^= *hash_location++;
-#ifdef CONFIG_SYN_COOKIES
want_cookie = 0; /* not our kind of cookie */
-#endif
tmp_ext.cookie_out_never = 0; /* false */
tmp_ext.cookie_plus = tmp_opt.cookie_plus;
} else if (!tp->rx_opt.cookie_in_always) {
@@ -1407,6 +1385,8 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
newtp->af_specific = &tcp_sock_ipv6_mapped_specific;
#endif
+ newnp->ipv6_ac_list = NULL;
+ newnp->ipv6_fl_list = NULL;
newnp->pktoptions = NULL;
newnp->opt = NULL;
newnp->mcast_oif = inet6_iif(skb);
@@ -1471,6 +1451,7 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
First: no IPv4 options.
*/
newinet->inet_opt = NULL;
+ newnp->ipv6_ac_list = NULL;
newnp->ipv6_fl_list = NULL;
/* Clone RX bits */
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 29213b51c49..bb95e8e1c6f 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -1090,8 +1090,8 @@ do_udp_sendmsg:
memset(opt, 0, sizeof(struct ipv6_txoptions));
opt->tot_len = sizeof(*opt);
- err = datagram_send_ctl(sock_net(sk), msg, &fl6, opt, &hlimit,
- &tclass, &dontfrag);
+ err = datagram_send_ctl(sock_net(sk), sk, msg, &fl6, opt,
+ &hlimit, &tclass, &dontfrag);
if (err < 0) {
fl6_sock_release(flowlabel);
return err;
diff --git a/net/irda/irsysctl.c b/net/irda/irsysctl.c
index d0b70dadf73..2615ffc8e78 100644
--- a/net/irda/irsysctl.c
+++ b/net/irda/irsysctl.c
@@ -40,9 +40,9 @@ extern int sysctl_slot_timeout;
extern int sysctl_fast_poll_increase;
extern char sysctl_devname[];
extern int sysctl_max_baud_rate;
-extern int sysctl_min_tx_turn_time;
-extern int sysctl_max_tx_data_size;
-extern int sysctl_max_tx_window;
+extern unsigned int sysctl_min_tx_turn_time;
+extern unsigned int sysctl_max_tx_data_size;
+extern unsigned int sysctl_max_tx_window;
extern int sysctl_max_noreply_time;
extern int sysctl_warn_noreply_time;
extern int sysctl_lap_keepalive_time;
diff --git a/net/irda/qos.c b/net/irda/qos.c
index 1b51bcf4239..4369f7f41bc 100644
--- a/net/irda/qos.c
+++ b/net/irda/qos.c
@@ -60,7 +60,7 @@ int sysctl_max_noreply_time = 12;
* Default is 10us which means using the unmodified value given by the
* peer except if it's 0 (0 is likely a bug in the other stack).
*/
-unsigned sysctl_min_tx_turn_time = 10;
+unsigned int sysctl_min_tx_turn_time = 10;
/*
* Maximum data size to be used in transmission in payload of LAP frame.
* There is a bit of confusion in the IrDA spec :
@@ -75,13 +75,13 @@ unsigned sysctl_min_tx_turn_time = 10;
* bytes frames or all negotiated frame sizes, but you can use the sysctl
* to play with this value anyway.
* Jean II */
-unsigned sysctl_max_tx_data_size = 2042;
+unsigned int sysctl_max_tx_data_size = 2042;
/*
* Maximum transmit window, i.e. number of LAP frames between turn-around.
* This allow to override what the peer told us. Some peers are buggy and
* don't always support what they tell us.
* Jean II */
-unsigned sysctl_max_tx_window = 7;
+unsigned int sysctl_max_tx_window = 7;
static int irlap_param_baud_rate(void *instance, irda_param_t *param, int get);
static int irlap_param_link_disconnect(void *instance, irda_param_t *parm,
diff --git a/net/iucv/iucv.c b/net/iucv/iucv.c
index 7f9124914b1..075a3808aa4 100644
--- a/net/iucv/iucv.c
+++ b/net/iucv/iucv.c
@@ -51,7 +51,7 @@
#include <linux/cpu.h>
#include <linux/reboot.h>
#include <net/iucv/iucv.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
#include <asm/ebcdic.h>
#include <asm/io.h>
#include <asm/irq.h>
@@ -1988,12 +1988,13 @@ static int __init iucv_init(void)
rc = -EPROTONOSUPPORT;
goto out;
}
+ ctl_set_bit(0, 1);
rc = iucv_query_maxconn();
if (rc)
- goto out;
+ goto out_ctl;
rc = register_external_interrupt(0x4000, iucv_external_interrupt);
if (rc)
- goto out;
+ goto out_ctl;
iucv_root = root_device_register("iucv");
if (IS_ERR(iucv_root)) {
rc = PTR_ERR(iucv_root);
@@ -2055,6 +2056,8 @@ out_free:
root_device_unregister(iucv_root);
out_int:
unregister_external_interrupt(0x4000, iucv_external_interrupt);
+out_ctl:
+ ctl_clear_bit(0, 1);
out:
return rc;
}
diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c
index ed8a2335442..ad4ac2601a5 100644
--- a/net/l2tp/l2tp_core.c
+++ b/net/l2tp/l2tp_core.c
@@ -55,7 +55,7 @@
#include <net/protocol.h>
#include <asm/byteorder.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
#include "l2tp_core.h"
diff --git a/net/l2tp/l2tp_eth.c b/net/l2tp/l2tp_eth.c
index a8193f52c13..d2726a74597 100644
--- a/net/l2tp/l2tp_eth.c
+++ b/net/l2tp/l2tp_eth.c
@@ -103,7 +103,7 @@ static struct net_device_ops l2tp_eth_netdev_ops = {
static void l2tp_eth_dev_setup(struct net_device *dev)
{
ether_setup(dev);
-
+ dev->priv_flags &= ~IFF_TX_SKB_SHARING;
dev->netdev_ops = &l2tp_eth_netdev_ops;
dev->destructor = free_netdev;
}
diff --git a/net/l2tp/l2tp_ppp.c b/net/l2tp/l2tp_ppp.c
index 39a21d0c61c..f42cd091596 100644
--- a/net/l2tp/l2tp_ppp.c
+++ b/net/l2tp/l2tp_ppp.c
@@ -97,7 +97,7 @@
#include <net/xfrm.h>
#include <asm/byteorder.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
#include "l2tp_core.h"
diff --git a/net/mac80211/agg-rx.c b/net/mac80211/agg-rx.c
index ebadb9ac9a7..fd1aaf2a4a6 100644
--- a/net/mac80211/agg-rx.c
+++ b/net/mac80211/agg-rx.c
@@ -104,14 +104,22 @@ void ieee80211_stop_rx_ba_session(struct ieee80211_vif *vif, u16 ba_rx_bitmap,
const u8 *addr)
{
struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
- struct sta_info *sta = sta_info_get(sdata, addr);
+ struct sta_info *sta;
int i;
+ rcu_read_lock();
+ sta = sta_info_get(sdata, addr);
+ if (!sta) {
+ rcu_read_unlock();
+ return;
+ }
+
for (i = 0; i < STA_TID_NUM; i++)
if (ba_rx_bitmap & BIT(i))
set_bit(i, sta->ampdu_mlme.tid_rx_stop_requested);
ieee80211_queue_work(&sta->local->hw, &sta->ampdu_mlme.work);
+ rcu_read_unlock();
}
EXPORT_SYMBOL(ieee80211_stop_rx_ba_session);
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index bfc36e90476..3d1b091d9b2 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -1255,6 +1255,10 @@ static int ieee80211_set_txq_params(struct wiphy *wiphy,
*/
p.uapsd = false;
+ if (params->queue >= local->hw.queues)
+ return -EINVAL;
+
+ local->tx_conf[params->queue] = p;
if (drv_conf_tx(local, params->queue, &p)) {
wiphy_debug(local->hw.wiphy,
"failed to set TX queue parameters for queue %d\n",
diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h
index b2d6bba4405..1425380983f 100644
--- a/net/mac80211/driver-ops.h
+++ b/net/mac80211/driver-ops.h
@@ -130,6 +130,37 @@ static inline void drv_bss_info_changed(struct ieee80211_local *local,
trace_drv_return_void(local);
}
+static inline int drv_tx_sync(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata,
+ const u8 *bssid,
+ enum ieee80211_tx_sync_type type)
+{
+ int ret = 0;
+
+ might_sleep();
+
+ trace_drv_tx_sync(local, sdata, bssid, type);
+ if (local->ops->tx_sync)
+ ret = local->ops->tx_sync(&local->hw, &sdata->vif,
+ bssid, type);
+ trace_drv_return_int(local, ret);
+ return ret;
+}
+
+static inline void drv_finish_tx_sync(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata,
+ const u8 *bssid,
+ enum ieee80211_tx_sync_type type)
+{
+ might_sleep();
+
+ trace_drv_finish_tx_sync(local, sdata, bssid, type);
+ if (local->ops->finish_tx_sync)
+ local->ops->finish_tx_sync(&local->hw, &sdata->vif,
+ bssid, type);
+ trace_drv_return_void(local);
+}
+
static inline u64 drv_prepare_multicast(struct ieee80211_local *local,
struct netdev_hw_addr_list *mc_list)
{
diff --git a/net/mac80211/driver-trace.h b/net/mac80211/driver-trace.h
index 4470f6e8b84..f47b00dc7af 100644
--- a/net/mac80211/driver-trace.h
+++ b/net/mac80211/driver-trace.h
@@ -319,6 +319,49 @@ TRACE_EVENT(drv_bss_info_changed,
)
);
+DECLARE_EVENT_CLASS(tx_sync_evt,
+ TP_PROTO(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata,
+ const u8 *bssid,
+ enum ieee80211_tx_sync_type type),
+ TP_ARGS(local, sdata, bssid, type),
+
+ TP_STRUCT__entry(
+ LOCAL_ENTRY
+ VIF_ENTRY
+ __array(char, bssid, ETH_ALEN)
+ __field(u32, sync_type)
+ ),
+
+ TP_fast_assign(
+ LOCAL_ASSIGN;
+ VIF_ASSIGN;
+ memcpy(__entry->bssid, bssid, ETH_ALEN);
+ __entry->sync_type = type;
+ ),
+
+ TP_printk(
+ LOCAL_PR_FMT VIF_PR_FMT " bssid:%pM type:%d",
+ LOCAL_PR_ARG, VIF_PR_ARG, __entry->bssid, __entry->sync_type
+ )
+);
+
+DEFINE_EVENT(tx_sync_evt, drv_tx_sync,
+ TP_PROTO(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata,
+ const u8 *bssid,
+ enum ieee80211_tx_sync_type type),
+ TP_ARGS(local, sdata, bssid, type)
+);
+
+DEFINE_EVENT(tx_sync_evt, drv_finish_tx_sync,
+ TP_PROTO(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata,
+ const u8 *bssid,
+ enum ieee80211_tx_sync_type type),
+ TP_ARGS(local, sdata, bssid, type)
+);
+
TRACE_EVENT(drv_prepare_multicast,
TP_PROTO(struct ieee80211_local *local, int mc_count),
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index dda0d1ab34f..400c09bea63 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -323,6 +323,7 @@ struct ieee80211_work {
u8 key[WLAN_KEY_LEN_WEP104];
u8 key_len, key_idx;
bool privacy;
+ bool synced;
} probe_auth;
struct {
struct cfg80211_bss *bss;
@@ -336,6 +337,7 @@ struct ieee80211_work {
u8 ssid_len;
u8 supp_rates_len;
bool wmm_used, use_11n, uapsd_used;
+ bool synced;
} assoc;
struct {
u32 duration;
@@ -746,6 +748,7 @@ struct ieee80211_local {
struct workqueue_struct *workqueue;
unsigned long queue_stop_reasons[IEEE80211_MAX_QUEUES];
+ struct ieee80211_tx_queue_params tx_conf[IEEE80211_MAX_QUEUES];
/* also used to protect ampdu_ac_queue and amdpu_ac_stop_refcnt */
spinlock_t queue_stop_reason_lock;
@@ -1376,14 +1379,14 @@ int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer,
enum ieee80211_band band, u32 rate_mask,
u8 channel);
struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata,
- u8 *dst,
+ u8 *dst, u32 ratemask,
const u8 *ssid, size_t ssid_len,
const u8 *ie, size_t ie_len,
bool directed);
void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst,
const u8 *ssid, size_t ssid_len,
const u8 *ie, size_t ie_len,
- bool directed);
+ u32 ratemask, bool directed);
void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data *sdata,
const size_t supp_rates_len,
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index cd5fb40d3fd..556e7e6ddf0 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -698,6 +698,7 @@ static const struct net_device_ops ieee80211_monitorif_ops = {
static void ieee80211_if_setup(struct net_device *dev)
{
ether_setup(dev);
+ dev->priv_flags &= ~IFF_TX_SKB_SHARING;
dev->netdev_ops = &ieee80211_dataif_ops;
dev->destructor = free_netdev;
}
diff --git a/net/mac80211/key.c b/net/mac80211/key.c
index 739bee13e81..5150c6d11b5 100644
--- a/net/mac80211/key.c
+++ b/net/mac80211/key.c
@@ -278,7 +278,7 @@ static void __ieee80211_key_replace(struct ieee80211_sub_if_data *sdata,
bool defunikey, defmultikey, defmgmtkey;
if (new)
- list_add(&new->list, &sdata->key_list);
+ list_add_tail(&new->list, &sdata->key_list);
if (sta && pairwise) {
rcu_assign_pointer(sta->ptk, new);
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 866f269183c..acb44230b25 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -1012,7 +1012,6 @@ void ieee80211_unregister_hw(struct ieee80211_hw *hw)
cancel_work_sync(&local->reconfig_filter);
ieee80211_clear_tx_pending(local);
- sta_info_stop(local);
rate_control_deinitialize(local);
if (skb_queue_len(&local->skb_queue) ||
@@ -1024,6 +1023,7 @@ void ieee80211_unregister_hw(struct ieee80211_hw *hw)
destroy_workqueue(local->workqueue);
wiphy_unregister(local->hw.wiphy);
+ sta_info_stop(local);
ieee80211_wep_free(local);
ieee80211_led_exit(local);
kfree(local->int_scan_req);
diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c
index 2b18053070c..3460108810d 100644
--- a/net/mac80211/mesh_hwmp.c
+++ b/net/mac80211/mesh_hwmp.c
@@ -57,29 +57,29 @@ static inline u32 u16_field_get(u8 *preq_elem, int offset, bool ae)
#define PREQ_IE_TTL(x) (*(x + 2))
#define PREQ_IE_PREQ_ID(x) u32_field_get(x, 3, 0)
#define PREQ_IE_ORIG_ADDR(x) (x + 7)
-#define PREQ_IE_ORIG_SN(x) u32_field_get(x, 13, 0);
-#define PREQ_IE_LIFETIME(x) u32_field_get(x, 17, AE_F_SET(x));
-#define PREQ_IE_METRIC(x) u32_field_get(x, 21, AE_F_SET(x));
+#define PREQ_IE_ORIG_SN(x) u32_field_get(x, 13, 0)
+#define PREQ_IE_LIFETIME(x) u32_field_get(x, 17, AE_F_SET(x))
+#define PREQ_IE_METRIC(x) u32_field_get(x, 21, AE_F_SET(x))
#define PREQ_IE_TARGET_F(x) (*(AE_F_SET(x) ? x + 32 : x + 26))
#define PREQ_IE_TARGET_ADDR(x) (AE_F_SET(x) ? x + 33 : x + 27)
-#define PREQ_IE_TARGET_SN(x) u32_field_get(x, 33, AE_F_SET(x));
+#define PREQ_IE_TARGET_SN(x) u32_field_get(x, 33, AE_F_SET(x))
#define PREP_IE_FLAGS(x) PREQ_IE_FLAGS(x)
#define PREP_IE_HOPCOUNT(x) PREQ_IE_HOPCOUNT(x)
#define PREP_IE_TTL(x) PREQ_IE_TTL(x)
#define PREP_IE_ORIG_ADDR(x) (x + 3)
-#define PREP_IE_ORIG_SN(x) u32_field_get(x, 9, 0);
-#define PREP_IE_LIFETIME(x) u32_field_get(x, 13, AE_F_SET(x));
-#define PREP_IE_METRIC(x) u32_field_get(x, 17, AE_F_SET(x));
+#define PREP_IE_ORIG_SN(x) u32_field_get(x, 9, 0)
+#define PREP_IE_LIFETIME(x) u32_field_get(x, 13, AE_F_SET(x))
+#define PREP_IE_METRIC(x) u32_field_get(x, 17, AE_F_SET(x))
#define PREP_IE_TARGET_ADDR(x) (AE_F_SET(x) ? x + 27 : x + 21)
-#define PREP_IE_TARGET_SN(x) u32_field_get(x, 27, AE_F_SET(x));
+#define PREP_IE_TARGET_SN(x) u32_field_get(x, 27, AE_F_SET(x))
#define PERR_IE_TTL(x) (*(x))
#define PERR_IE_TARGET_FLAGS(x) (*(x + 2))
#define PERR_IE_TARGET_ADDR(x) (x + 3)
-#define PERR_IE_TARGET_SN(x) u32_field_get(x, 9, 0);
-#define PERR_IE_TARGET_RCODE(x) u16_field_get(x, 13, 0);
+#define PERR_IE_TARGET_SN(x) u32_field_get(x, 9, 0)
+#define PERR_IE_TARGET_RCODE(x) u16_field_get(x, 13, 0)
#define MSEC_TO_TU(x) (x*1000/1024)
#define SN_GT(x, y) ((long) (y) - (long) (x) < 0)
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index c99237cd4b9..d6470c7fd6c 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -917,6 +917,7 @@ static void ieee80211_sta_wmm_params(struct ieee80211_local *local,
params.aifs, params.cw_min, params.cw_max,
params.txop, params.uapsd);
#endif
+ local->tx_conf[queue] = params;
if (drv_conf_tx(local, queue, &params))
wiphy_debug(local->hw.wiphy,
"failed to set TX queue parameters for queue %d\n",
@@ -1219,7 +1220,7 @@ static void ieee80211_mgd_probe_ap_send(struct ieee80211_sub_if_data *sdata)
} else {
ssid = ieee80211_bss_get_ie(ifmgd->associated, WLAN_EID_SSID);
ieee80211_send_probe_req(sdata, dst, ssid + 2, ssid[1], NULL, 0,
- true);
+ (u32) -1, true);
}
ifmgd->probe_send_count++;
@@ -1304,7 +1305,8 @@ struct sk_buff *ieee80211_ap_probereq_get(struct ieee80211_hw *hw,
ssid = ieee80211_bss_get_ie(ifmgd->associated, WLAN_EID_SSID);
skb = ieee80211_build_probe_req(sdata, ifmgd->associated->bssid,
- ssid + 2, ssid[1], NULL, 0, true);
+ (u32) -1, ssid + 2, ssid[1],
+ NULL, 0, true);
return skb;
}
@@ -2333,14 +2335,16 @@ static enum work_done_result
ieee80211_probe_auth_done(struct ieee80211_work *wk,
struct sk_buff *skb)
{
+ struct ieee80211_local *local = wk->sdata->local;
+
if (!skb) {
cfg80211_send_auth_timeout(wk->sdata->dev, wk->filter_ta);
- return WORK_DONE_DESTROY;
+ goto destroy;
}
if (wk->type == IEEE80211_WORK_AUTH) {
cfg80211_send_rx_auth(wk->sdata->dev, skb->data, skb->len);
- return WORK_DONE_DESTROY;
+ goto destroy;
}
mutex_lock(&wk->sdata->u.mgd.mtx);
@@ -2350,6 +2354,12 @@ ieee80211_probe_auth_done(struct ieee80211_work *wk,
wk->type = IEEE80211_WORK_AUTH;
wk->probe_auth.tries = 0;
return WORK_DONE_REQUEUE;
+ destroy:
+ if (wk->probe_auth.synced)
+ drv_finish_tx_sync(local, wk->sdata, wk->filter_ta,
+ IEEE80211_TX_SYNC_AUTH);
+
+ return WORK_DONE_DESTROY;
}
int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata,
@@ -2422,6 +2432,7 @@ int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata,
static enum work_done_result ieee80211_assoc_done(struct ieee80211_work *wk,
struct sk_buff *skb)
{
+ struct ieee80211_local *local = wk->sdata->local;
struct ieee80211_mgmt *mgmt;
struct ieee80211_rx_status *rx_status;
struct ieee802_11_elems elems;
@@ -2429,7 +2440,7 @@ static enum work_done_result ieee80211_assoc_done(struct ieee80211_work *wk,
if (!skb) {
cfg80211_send_assoc_timeout(wk->sdata->dev, wk->filter_ta);
- return WORK_DONE_DESTROY;
+ goto destroy;
}
if (wk->type == IEEE80211_WORK_ASSOC_BEACON_WAIT) {
@@ -2449,6 +2460,10 @@ static enum work_done_result ieee80211_assoc_done(struct ieee80211_work *wk,
status = le16_to_cpu(mgmt->u.assoc_resp.status_code);
if (status == WLAN_STATUS_SUCCESS) {
+ if (wk->assoc.synced)
+ drv_finish_tx_sync(local, wk->sdata, wk->filter_ta,
+ IEEE80211_TX_SYNC_ASSOC);
+
mutex_lock(&wk->sdata->u.mgd.mtx);
if (!ieee80211_assoc_success(wk, mgmt, skb->len)) {
mutex_unlock(&wk->sdata->u.mgd.mtx);
@@ -2462,6 +2477,11 @@ static enum work_done_result ieee80211_assoc_done(struct ieee80211_work *wk,
}
cfg80211_send_rx_assoc(wk->sdata->dev, skb->data, skb->len);
+ destroy:
+ if (wk->assoc.synced)
+ drv_finish_tx_sync(local, wk->sdata, wk->filter_ta,
+ IEEE80211_TX_SYNC_ASSOC);
+
return WORK_DONE_DESTROY;
}
diff --git a/net/mac80211/pm.c b/net/mac80211/pm.c
index f87e993e713..6326d343986 100644
--- a/net/mac80211/pm.c
+++ b/net/mac80211/pm.c
@@ -34,6 +34,9 @@ int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)
struct ieee80211_sub_if_data *sdata;
struct sta_info *sta;
+ if (!local->open_count)
+ goto suspend;
+
ieee80211_scan_cancel(local);
if (hw->flags & IEEE80211_HW_AMPDU_AGGREGATION) {
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index 08a45ac3d6f..6f09eca0111 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -228,7 +228,6 @@ ieee80211_scan_rx(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb)
static bool ieee80211_prep_hw_scan(struct ieee80211_local *local)
{
struct cfg80211_scan_request *req = local->scan_req;
- struct ieee80211_sub_if_data *sdata = local->scan_sdata;
enum ieee80211_band band;
int i, ielen, n_chans;
@@ -253,7 +252,7 @@ static bool ieee80211_prep_hw_scan(struct ieee80211_local *local)
ielen = ieee80211_build_preq_ies(local, (u8 *)local->hw_scan_req->ie,
req->ie, req->ie_len, band,
- sdata->rc_rateidx_mask[band], 0);
+ req->rates[band], 0);
local->hw_scan_req->ie_len = ielen;
return true;
@@ -653,6 +652,7 @@ static void ieee80211_scan_state_send_probe(struct ieee80211_local *local,
{
int i;
struct ieee80211_sub_if_data *sdata = local->scan_sdata;
+ enum ieee80211_band band = local->hw.conf.channel->band;
for (i = 0; i < local->scan_req->n_ssids; i++)
ieee80211_send_probe_req(
@@ -660,7 +660,7 @@ static void ieee80211_scan_state_send_probe(struct ieee80211_local *local,
local->scan_req->ssids[i].ssid,
local->scan_req->ssids[i].ssid_len,
local->scan_req->ie, local->scan_req->ie_len,
- false);
+ local->scan_req->rates[band], false);
/*
* After sending probe requests, wait for probe responses
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index b83870bf60f..21070e9bc8d 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -97,7 +97,6 @@ struct sta_info *sta_info_get(struct ieee80211_sub_if_data *sdata,
struct sta_info *sta;
sta = rcu_dereference_check(local->sta_hash[STA_HASH(addr)],
- rcu_read_lock_held() ||
lockdep_is_held(&local->sta_lock) ||
lockdep_is_held(&local->sta_mtx));
while (sta) {
@@ -105,7 +104,6 @@ struct sta_info *sta_info_get(struct ieee80211_sub_if_data *sdata,
memcmp(sta->sta.addr, addr, ETH_ALEN) == 0)
break;
sta = rcu_dereference_check(sta->hnext,
- rcu_read_lock_held() ||
lockdep_is_held(&local->sta_lock) ||
lockdep_is_held(&local->sta_mtx));
}
@@ -123,7 +121,6 @@ struct sta_info *sta_info_get_bss(struct ieee80211_sub_if_data *sdata,
struct sta_info *sta;
sta = rcu_dereference_check(local->sta_hash[STA_HASH(addr)],
- rcu_read_lock_held() ||
lockdep_is_held(&local->sta_lock) ||
lockdep_is_held(&local->sta_mtx));
while (sta) {
@@ -132,7 +129,6 @@ struct sta_info *sta_info_get_bss(struct ieee80211_sub_if_data *sdata,
memcmp(sta->sta.addr, addr, ETH_ALEN) == 0)
break;
sta = rcu_dereference_check(sta->hnext,
- rcu_read_lock_held() ||
lockdep_is_held(&local->sta_lock) ||
lockdep_is_held(&local->sta_mtx));
}
@@ -669,7 +665,7 @@ static int __must_check __sta_info_destroy(struct sta_info *sta)
BUG_ON(!sdata->bss);
atomic_dec(&sdata->bss->num_sta_ps);
- __sta_info_clear_tim_bit(sdata->bss, sta);
+ sta_info_clear_tim_bit(sta);
}
local->num_sta--;
diff --git a/net/mac80211/tkip.c b/net/mac80211/tkip.c
index cc79e697cdb..f49d00a4c7f 100644
--- a/net/mac80211/tkip.c
+++ b/net/mac80211/tkip.c
@@ -185,6 +185,17 @@ void ieee80211_get_tkip_p1k_iv(struct ieee80211_key_conf *keyconf,
}
EXPORT_SYMBOL(ieee80211_get_tkip_p1k_iv);
+void ieee80211_get_tkip_rx_p1k(struct ieee80211_key_conf *keyconf,
+ const u8 *ta, u32 iv32, u16 *p1k)
+{
+ const u8 *tk = &keyconf->key[NL80211_TKIP_DATA_OFFSET_ENCR_KEY];
+ struct tkip_ctx ctx;
+
+ tkip_mixing_phase1(tk, &ctx, ta, iv32);
+ memcpy(p1k, ctx.p1k, sizeof(ctx.p1k));
+}
+EXPORT_SYMBOL(ieee80211_get_tkip_rx_p1k);
+
void ieee80211_get_tkip_p2k(struct ieee80211_key_conf *keyconf,
struct sk_buff *skb, u8 *p2k)
{
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 5bfb80cba63..ddeb1b99838 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -799,6 +799,7 @@ void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata)
qparam.uapsd = false;
+ local->tx_conf[queue] = qparam;
drv_conf_tx(local, queue, &qparam);
}
@@ -1016,7 +1017,7 @@ int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer,
}
struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata,
- u8 *dst,
+ u8 *dst, u32 ratemask,
const u8 *ssid, size_t ssid_len,
const u8 *ie, size_t ie_len,
bool directed)
@@ -1049,9 +1050,7 @@ struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata,
buf_len = ieee80211_build_preq_ies(local, buf, ie, ie_len,
local->hw.conf.channel->band,
- sdata->rc_rateidx_mask
- [local->hw.conf.channel->band],
- chan);
+ ratemask, chan);
skb = ieee80211_probereq_get(&local->hw, &sdata->vif,
ssid, ssid_len,
@@ -1072,12 +1071,12 @@ struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata,
void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst,
const u8 *ssid, size_t ssid_len,
const u8 *ie, size_t ie_len,
- bool directed)
+ u32 ratemask, bool directed)
{
struct sk_buff *skb;
- skb = ieee80211_build_probe_req(sdata, dst, ssid, ssid_len, ie, ie_len,
- directed);
+ skb = ieee80211_build_probe_req(sdata, dst, ratemask, ssid, ssid_len,
+ ie, ie_len, directed);
if (skb)
ieee80211_tx_skb(sdata, skb);
}
@@ -1134,7 +1133,7 @@ int ieee80211_reconfig(struct ieee80211_local *local)
struct ieee80211_hw *hw = &local->hw;
struct ieee80211_sub_if_data *sdata;
struct sta_info *sta;
- int res;
+ int res, i;
#ifdef CONFIG_PM
if (local->suspended)
@@ -1157,27 +1156,37 @@ int ieee80211_reconfig(struct ieee80211_local *local)
}
#endif
- /* restart hardware */
- if (local->open_count) {
- /*
- * Upon resume hardware can sometimes be goofy due to
- * various platform / driver / bus issues, so restarting
- * the device may at times not work immediately. Propagate
- * the error.
- */
- res = drv_start(local);
- if (res) {
- WARN(local->suspended, "Hardware became unavailable "
- "upon resume. This could be a software issue "
- "prior to suspend or a hardware issue.\n");
- return res;
- }
+ /* setup fragmentation threshold */
+ drv_set_frag_threshold(local, hw->wiphy->frag_threshold);
+
+ /* setup RTS threshold */
+ drv_set_rts_threshold(local, hw->wiphy->rts_threshold);
+
+ /* reset coverage class */
+ drv_set_coverage_class(local, hw->wiphy->coverage_class);
+
+ /* everything else happens only if HW was up & running */
+ if (!local->open_count)
+ goto wake_up;
- ieee80211_led_radio(local, true);
- ieee80211_mod_tpt_led_trig(local,
- IEEE80211_TPT_LEDTRIG_FL_RADIO, 0);
+ /*
+ * Upon resume hardware can sometimes be goofy due to
+ * various platform / driver / bus issues, so restarting
+ * the device may at times not work immediately. Propagate
+ * the error.
+ */
+ res = drv_start(local);
+ if (res) {
+ WARN(local->suspended, "Hardware became unavailable "
+ "upon resume. This could be a software issue "
+ "prior to suspend or a hardware issue.\n");
+ return res;
}
+ ieee80211_led_radio(local, true);
+ ieee80211_mod_tpt_led_trig(local,
+ IEEE80211_TPT_LEDTRIG_FL_RADIO, 0);
+
/* add interfaces */
list_for_each_entry(sdata, &local->interfaces, list) {
if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
@@ -1201,11 +1210,9 @@ int ieee80211_reconfig(struct ieee80211_local *local)
}
mutex_unlock(&local->sta_mtx);
- /* setup fragmentation threshold */
- drv_set_frag_threshold(local, hw->wiphy->frag_threshold);
-
- /* setup RTS threshold */
- drv_set_rts_threshold(local, hw->wiphy->rts_threshold);
+ /* reconfigure tx conf */
+ for (i = 0; i < hw->queues; i++)
+ drv_conf_tx(local, i, &local->tx_conf[i]);
/* reconfigure hardware */
ieee80211_hw_config(local, ~0);
@@ -1287,9 +1294,7 @@ int ieee80211_reconfig(struct ieee80211_local *local)
if (ieee80211_sdata_running(sdata))
ieee80211_enable_keys(sdata);
-#ifdef CONFIG_PM
wake_up:
-#endif
ieee80211_wake_queues_by_reason(hw,
IEEE80211_QUEUE_STOP_REASON_SUSPEND);
diff --git a/net/mac80211/work.c b/net/mac80211/work.c
index edf8583280c..380b9a7462b 100644
--- a/net/mac80211/work.c
+++ b/net/mac80211/work.c
@@ -25,6 +25,7 @@
#include "ieee80211_i.h"
#include "rate.h"
+#include "driver-ops.h"
#define IEEE80211_AUTH_TIMEOUT (HZ / 5)
#define IEEE80211_AUTH_MAX_TRIES 3
@@ -427,6 +428,14 @@ ieee80211_direct_probe(struct ieee80211_work *wk)
struct ieee80211_sub_if_data *sdata = wk->sdata;
struct ieee80211_local *local = sdata->local;
+ if (!wk->probe_auth.synced) {
+ int ret = drv_tx_sync(local, sdata, wk->filter_ta,
+ IEEE80211_TX_SYNC_AUTH);
+ if (ret)
+ return WORK_ACT_TIMEOUT;
+ }
+ wk->probe_auth.synced = true;
+
wk->probe_auth.tries++;
if (wk->probe_auth.tries > IEEE80211_AUTH_MAX_TRIES) {
printk(KERN_DEBUG "%s: direct probe to %pM timed out\n",
@@ -450,7 +459,8 @@ ieee80211_direct_probe(struct ieee80211_work *wk)
* will not answer to direct packet in unassociated state.
*/
ieee80211_send_probe_req(sdata, NULL, wk->probe_auth.ssid,
- wk->probe_auth.ssid_len, NULL, 0, true);
+ wk->probe_auth.ssid_len, NULL, 0,
+ (u32) -1, true);
wk->timeout = jiffies + IEEE80211_AUTH_TIMEOUT;
run_again(local, wk->timeout);
@@ -465,6 +475,14 @@ ieee80211_authenticate(struct ieee80211_work *wk)
struct ieee80211_sub_if_data *sdata = wk->sdata;
struct ieee80211_local *local = sdata->local;
+ if (!wk->probe_auth.synced) {
+ int ret = drv_tx_sync(local, sdata, wk->filter_ta,
+ IEEE80211_TX_SYNC_AUTH);
+ if (ret)
+ return WORK_ACT_TIMEOUT;
+ }
+ wk->probe_auth.synced = true;
+
wk->probe_auth.tries++;
if (wk->probe_auth.tries > IEEE80211_AUTH_MAX_TRIES) {
printk(KERN_DEBUG "%s: authentication with %pM"
@@ -498,6 +516,14 @@ ieee80211_associate(struct ieee80211_work *wk)
struct ieee80211_sub_if_data *sdata = wk->sdata;
struct ieee80211_local *local = sdata->local;
+ if (!wk->assoc.synced) {
+ int ret = drv_tx_sync(local, sdata, wk->filter_ta,
+ IEEE80211_TX_SYNC_ASSOC);
+ if (ret)
+ return WORK_ACT_TIMEOUT;
+ }
+ wk->assoc.synced = true;
+
wk->assoc.tries++;
if (wk->assoc.tries > IEEE80211_ASSOC_MAX_TRIES) {
printk(KERN_DEBUG "%s: association with %pM"
diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c
index be43fd805bd..5290ac353a5 100644
--- a/net/netfilter/ipvs/ip_vs_ctl.c
+++ b/net/netfilter/ipvs/ip_vs_ctl.c
@@ -3679,7 +3679,7 @@ int __net_init ip_vs_control_net_init(struct net *net)
int idx;
struct netns_ipvs *ipvs = net_ipvs(net);
- ipvs->rs_lock = __RW_LOCK_UNLOCKED(ipvs->rs_lock);
+ rwlock_init(&ipvs->rs_lock);
/* Initialize rs_table */
for (idx = 0; idx < IP_VS_RTAB_SIZE; idx++)
@@ -3771,6 +3771,7 @@ err_sock:
void ip_vs_control_cleanup(void)
{
EnterFunction(2);
+ unregister_netdevice_notifier(&ip_vs_dst_notifier);
ip_vs_genl_unregister();
nf_unregister_sockopt(&ip_vs_sockopts);
LeaveFunction(2);
diff --git a/net/netfilter/nf_conntrack_pptp.c b/net/netfilter/nf_conntrack_pptp.c
index 2fd4565144d..31d56b23b9e 100644
--- a/net/netfilter/nf_conntrack_pptp.c
+++ b/net/netfilter/nf_conntrack_pptp.c
@@ -364,6 +364,7 @@ pptp_inbound_pkt(struct sk_buff *skb,
break;
case PPTP_WAN_ERROR_NOTIFY:
+ case PPTP_SET_LINK_INFO:
case PPTP_ECHO_REQUEST:
case PPTP_ECHO_REPLY:
/* I don't have to explain these ;) */
diff --git a/net/netfilter/nf_conntrack_proto_tcp.c b/net/netfilter/nf_conntrack_proto_tcp.c
index 37bf94394be..8235b86b4e8 100644
--- a/net/netfilter/nf_conntrack_proto_tcp.c
+++ b/net/netfilter/nf_conntrack_proto_tcp.c
@@ -409,7 +409,7 @@ static void tcp_options(const struct sk_buff *skb,
if (opsize < 2) /* "silly options" */
return;
if (opsize > length)
- break; /* don't parse partial options */
+ return; /* don't parse partial options */
if (opcode == TCPOPT_SACK_PERM
&& opsize == TCPOLEN_SACK_PERM)
@@ -447,7 +447,7 @@ static void tcp_sack(const struct sk_buff *skb, unsigned int dataoff,
BUG_ON(ptr == NULL);
/* Fast path for timestamp-only option */
- if (length == TCPOLEN_TSTAMP_ALIGNED*4
+ if (length == TCPOLEN_TSTAMP_ALIGNED
&& *(__be32 *)ptr == htonl((TCPOPT_NOP << 24)
| (TCPOPT_NOP << 16)
| (TCPOPT_TIMESTAMP << 8)
@@ -469,7 +469,7 @@ static void tcp_sack(const struct sk_buff *skb, unsigned int dataoff,
if (opsize < 2) /* "silly options" */
return;
if (opsize > length)
- break; /* don't parse partial options */
+ return; /* don't parse partial options */
if (opcode == TCPOPT_SACK
&& opsize >= (TCPOLEN_SACK_BASE
diff --git a/net/netfilter/nf_queue.c b/net/netfilter/nf_queue.c
index 5b466cd1272..84d0fd47636 100644
--- a/net/netfilter/nf_queue.c
+++ b/net/netfilter/nf_queue.c
@@ -312,6 +312,7 @@ void nf_reinject(struct nf_queue_entry *entry, unsigned int verdict)
}
break;
case NF_STOLEN:
+ break;
default:
kfree_skb(skb);
}
diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c
index 2e7ccbb43dd..2d8158acf6f 100644
--- a/net/netfilter/nfnetlink_log.c
+++ b/net/netfilter/nfnetlink_log.c
@@ -33,7 +33,7 @@
#include <net/netfilter/nf_log.h>
#include <net/netfilter/nfnetlink_log.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
#ifdef CONFIG_BRIDGE_NETFILTER
#include "../bridge/br_private.h"
diff --git a/net/netfilter/nfnetlink_queue.c b/net/netfilter/nfnetlink_queue.c
index 49132bddd73..a80b0cb03f1 100644
--- a/net/netfilter/nfnetlink_queue.c
+++ b/net/netfilter/nfnetlink_queue.c
@@ -31,7 +31,7 @@
#include <net/sock.h>
#include <net/netfilter/nf_queue.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
#ifdef CONFIG_BRIDGE_NETFILTER
#include "../bridge/br_private.h"
@@ -646,8 +646,8 @@ verdicthdr_get(const struct nlattr * const nfqa[])
return NULL;
vhdr = nla_data(nfqa[NFQA_VERDICT_HDR]);
- verdict = ntohl(vhdr->verdict);
- if ((verdict & NF_VERDICT_MASK) > NF_MAX_VERDICT)
+ verdict = ntohl(vhdr->verdict) & NF_VERDICT_MASK;
+ if (verdict > NF_MAX_VERDICT || verdict == NF_STOLEN)
return NULL;
return vhdr;
}
diff --git a/net/netfilter/xt_rateest.c b/net/netfilter/xt_rateest.c
index 76a083184d8..ed0db15ab00 100644
--- a/net/netfilter/xt_rateest.c
+++ b/net/netfilter/xt_rateest.c
@@ -78,7 +78,7 @@ static int xt_rateest_mt_checkentry(const struct xt_mtchk_param *par)
{
struct xt_rateest_match_info *info = par->matchinfo;
struct xt_rateest *est1, *est2;
- int ret = false;
+ int ret = -EINVAL;
if (hweight32(info->flags & (XT_RATEEST_MATCH_ABS |
XT_RATEEST_MATCH_REL)) != 1)
@@ -101,13 +101,12 @@ static int xt_rateest_mt_checkentry(const struct xt_mtchk_param *par)
if (!est1)
goto err1;
+ est2 = NULL;
if (info->flags & XT_RATEEST_MATCH_REL) {
est2 = xt_rateest_lookup(info->name2);
if (!est2)
goto err2;
- } else
- est2 = NULL;
-
+ }
info->est1 = est1;
info->est2 = est2;
@@ -116,7 +115,7 @@ static int xt_rateest_mt_checkentry(const struct xt_mtchk_param *par)
err2:
xt_rateest_put(est1);
err1:
- return -EINVAL;
+ return ret;
}
static void xt_rateest_mt_destroy(const struct xt_mtdtor_param *par)
diff --git a/net/netlabel/Makefile b/net/netlabel/Makefile
index ea750e9df65..d2732fc952e 100644
--- a/net/netlabel/Makefile
+++ b/net/netlabel/Makefile
@@ -1,8 +1,6 @@
#
# Makefile for the NetLabel subsystem.
#
-# Feb 9, 2006, Paul Moore <paul.moore@hp.com>
-#
# base objects
obj-y := netlabel_user.o netlabel_kapi.o
diff --git a/net/netlabel/netlabel_addrlist.c b/net/netlabel/netlabel_addrlist.c
index c0519139679..96b749dacc3 100644
--- a/net/netlabel/netlabel_addrlist.c
+++ b/net/netlabel/netlabel_addrlist.c
@@ -6,7 +6,7 @@
* system manages static and dynamic label mappings for network protocols such
* as CIPSO and RIPSO.
*
- * Author: Paul Moore <paul.moore@hp.com>
+ * Author: Paul Moore <paul@paul-moore.com>
*
*/
diff --git a/net/netlabel/netlabel_addrlist.h b/net/netlabel/netlabel_addrlist.h
index 2b9644e19de..fdbc1d2c735 100644
--- a/net/netlabel/netlabel_addrlist.h
+++ b/net/netlabel/netlabel_addrlist.h
@@ -6,7 +6,7 @@
* system manages static and dynamic label mappings for network protocols such
* as CIPSO and RIPSO.
*
- * Author: Paul Moore <paul.moore@hp.com>
+ * Author: Paul Moore <paul@paul-moore.com>
*
*/
diff --git a/net/netlabel/netlabel_cipso_v4.c b/net/netlabel/netlabel_cipso_v4.c
index bae5756b162..6bf878335d9 100644
--- a/net/netlabel/netlabel_cipso_v4.c
+++ b/net/netlabel/netlabel_cipso_v4.c
@@ -5,7 +5,7 @@
* NetLabel system manages static and dynamic label mappings for network
* protocols such as CIPSO and RIPSO.
*
- * Author: Paul Moore <paul.moore@hp.com>
+ * Author: Paul Moore <paul@paul-moore.com>
*
*/
@@ -39,7 +39,7 @@
#include <net/genetlink.h>
#include <net/netlabel.h>
#include <net/cipso_ipv4.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
#include "netlabel_user.h"
#include "netlabel_cipso_v4.h"
diff --git a/net/netlabel/netlabel_cipso_v4.h b/net/netlabel/netlabel_cipso_v4.h
index af7f3355103..d24d774bfd6 100644
--- a/net/netlabel/netlabel_cipso_v4.h
+++ b/net/netlabel/netlabel_cipso_v4.h
@@ -5,7 +5,7 @@
* NetLabel system manages static and dynamic label mappings for network
* protocols such as CIPSO and RIPSO.
*
- * Author: Paul Moore <paul.moore@hp.com>
+ * Author: Paul Moore <paul@paul-moore.com>
*
*/
diff --git a/net/netlabel/netlabel_domainhash.c b/net/netlabel/netlabel_domainhash.c
index de0d8e4cbfb..7d8083cde34 100644
--- a/net/netlabel/netlabel_domainhash.c
+++ b/net/netlabel/netlabel_domainhash.c
@@ -6,7 +6,7 @@
* system manages static and dynamic label mappings for network protocols such
* as CIPSO and RIPSO.
*
- * Author: Paul Moore <paul.moore@hp.com>
+ * Author: Paul Moore <paul@paul-moore.com>
*
*/
@@ -55,8 +55,7 @@ struct netlbl_domhsh_tbl {
* should be okay */
static DEFINE_SPINLOCK(netlbl_domhsh_lock);
#define netlbl_domhsh_rcu_deref(p) \
- rcu_dereference_check(p, rcu_read_lock_held() || \
- lockdep_is_held(&netlbl_domhsh_lock))
+ rcu_dereference_check(p, lockdep_is_held(&netlbl_domhsh_lock))
static struct netlbl_domhsh_tbl *netlbl_domhsh = NULL;
static struct netlbl_dom_map *netlbl_domhsh_def = NULL;
diff --git a/net/netlabel/netlabel_domainhash.h b/net/netlabel/netlabel_domainhash.h
index 0261dda3f2d..bfcc0f7024c 100644
--- a/net/netlabel/netlabel_domainhash.h
+++ b/net/netlabel/netlabel_domainhash.h
@@ -6,7 +6,7 @@
* system manages static and dynamic label mappings for network protocols such
* as CIPSO and RIPSO.
*
- * Author: Paul Moore <paul.moore@hp.com>
+ * Author: Paul Moore <paul@paul-moore.com>
*
*/
diff --git a/net/netlabel/netlabel_kapi.c b/net/netlabel/netlabel_kapi.c
index 1b83e0009d8..9c24de10a65 100644
--- a/net/netlabel/netlabel_kapi.c
+++ b/net/netlabel/netlabel_kapi.c
@@ -5,7 +5,7 @@
* system manages static and dynamic label mappings for network protocols such
* as CIPSO and RIPSO.
*
- * Author: Paul Moore <paul.moore@hp.com>
+ * Author: Paul Moore <paul@paul-moore.com>
*
*/
@@ -39,7 +39,7 @@
#include <net/netlabel.h>
#include <net/cipso_ipv4.h>
#include <asm/bug.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
#include "netlabel_domainhash.h"
#include "netlabel_unlabeled.h"
@@ -341,11 +341,11 @@ int netlbl_cfg_cipsov4_map_add(u32 doi,
entry = kzalloc(sizeof(*entry), GFP_ATOMIC);
if (entry == NULL)
- return -ENOMEM;
+ goto out_entry;
if (domain != NULL) {
entry->domain = kstrdup(domain, GFP_ATOMIC);
if (entry->domain == NULL)
- goto cfg_cipsov4_map_add_failure;
+ goto out_domain;
}
if (addr == NULL && mask == NULL) {
@@ -354,13 +354,13 @@ int netlbl_cfg_cipsov4_map_add(u32 doi,
} else if (addr != NULL && mask != NULL) {
addrmap = kzalloc(sizeof(*addrmap), GFP_ATOMIC);
if (addrmap == NULL)
- goto cfg_cipsov4_map_add_failure;
+ goto out_addrmap;
INIT_LIST_HEAD(&addrmap->list4);
INIT_LIST_HEAD(&addrmap->list6);
addrinfo = kzalloc(sizeof(*addrinfo), GFP_ATOMIC);
if (addrinfo == NULL)
- goto cfg_cipsov4_map_add_failure;
+ goto out_addrinfo;
addrinfo->type_def.cipsov4 = doi_def;
addrinfo->type = NETLBL_NLTYPE_CIPSOV4;
addrinfo->list.addr = addr->s_addr & mask->s_addr;
@@ -374,7 +374,7 @@ int netlbl_cfg_cipsov4_map_add(u32 doi,
entry->type = NETLBL_NLTYPE_ADDRSELECT;
} else {
ret_val = -EINVAL;
- goto cfg_cipsov4_map_add_failure;
+ goto out_addrmap;
}
ret_val = netlbl_domhsh_add(entry, audit_info);
@@ -384,11 +384,15 @@ int netlbl_cfg_cipsov4_map_add(u32 doi,
return 0;
cfg_cipsov4_map_add_failure:
- cipso_v4_doi_putdef(doi_def);
+ kfree(addrinfo);
+out_addrinfo:
+ kfree(addrmap);
+out_addrmap:
kfree(entry->domain);
+out_domain:
kfree(entry);
- kfree(addrmap);
- kfree(addrinfo);
+out_entry:
+ cipso_v4_doi_putdef(doi_def);
return ret_val;
}
diff --git a/net/netlabel/netlabel_mgmt.c b/net/netlabel/netlabel_mgmt.c
index 4f251b19fbc..bfa55586977 100644
--- a/net/netlabel/netlabel_mgmt.c
+++ b/net/netlabel/netlabel_mgmt.c
@@ -5,7 +5,7 @@
* NetLabel system manages static and dynamic label mappings for network
* protocols such as CIPSO and RIPSO.
*
- * Author: Paul Moore <paul.moore@hp.com>
+ * Author: Paul Moore <paul@paul-moore.com>
*
*/
@@ -42,7 +42,7 @@
#include <net/ipv6.h>
#include <net/netlabel.h>
#include <net/cipso_ipv4.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
#include "netlabel_domainhash.h"
#include "netlabel_user.h"
diff --git a/net/netlabel/netlabel_mgmt.h b/net/netlabel/netlabel_mgmt.h
index 0a25838bcf4..5a9f31ce579 100644
--- a/net/netlabel/netlabel_mgmt.h
+++ b/net/netlabel/netlabel_mgmt.h
@@ -5,7 +5,7 @@
* NetLabel system manages static and dynamic label mappings for network
* protocols such as CIPSO and RIPSO.
*
- * Author: Paul Moore <paul.moore@hp.com>
+ * Author: Paul Moore <paul@paul-moore.com>
*
*/
@@ -32,7 +32,7 @@
#define _NETLABEL_MGMT_H
#include <net/netlabel.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
/*
* The following NetLabel payloads are supported by the management interface.
diff --git a/net/netlabel/netlabel_unlabeled.c b/net/netlabel/netlabel_unlabeled.c
index 8efd061a0ae..e6e823656f9 100644
--- a/net/netlabel/netlabel_unlabeled.c
+++ b/net/netlabel/netlabel_unlabeled.c
@@ -5,7 +5,7 @@
* NetLabel system. The NetLabel system manages static and dynamic label
* mappings for network protocols such as CIPSO and RIPSO.
*
- * Author: Paul Moore <paul.moore@hp.com>
+ * Author: Paul Moore <paul@paul-moore.com>
*
*/
@@ -52,7 +52,7 @@
#include <net/net_namespace.h>
#include <net/netlabel.h>
#include <asm/bug.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
#include "netlabel_user.h"
#include "netlabel_addrlist.h"
@@ -116,8 +116,7 @@ struct netlbl_unlhsh_walk_arg {
* hash table should be okay */
static DEFINE_SPINLOCK(netlbl_unlhsh_lock);
#define netlbl_unlhsh_rcu_deref(p) \
- rcu_dereference_check(p, rcu_read_lock_held() || \
- lockdep_is_held(&netlbl_unlhsh_lock))
+ rcu_dereference_check(p, lockdep_is_held(&netlbl_unlhsh_lock))
static struct netlbl_unlhsh_tbl *netlbl_unlhsh = NULL;
static struct netlbl_unlhsh_iface *netlbl_unlhsh_def = NULL;
diff --git a/net/netlabel/netlabel_unlabeled.h b/net/netlabel/netlabel_unlabeled.h
index 0bc8dc3f9e3..700af49022a 100644
--- a/net/netlabel/netlabel_unlabeled.h
+++ b/net/netlabel/netlabel_unlabeled.h
@@ -5,7 +5,7 @@
* NetLabel system. The NetLabel system manages static and dynamic label
* mappings for network protocols such as CIPSO and RIPSO.
*
- * Author: Paul Moore <paul.moore@hp.com>
+ * Author: Paul Moore <paul@paul-moore.com>
*
*/
diff --git a/net/netlabel/netlabel_user.c b/net/netlabel/netlabel_user.c
index a3fd75ac3fa..9fae63f1029 100644
--- a/net/netlabel/netlabel_user.c
+++ b/net/netlabel/netlabel_user.c
@@ -5,7 +5,7 @@
* NetLabel system manages static and dynamic label mappings for network
* protocols such as CIPSO and RIPSO.
*
- * Author: Paul Moore <paul.moore@hp.com>
+ * Author: Paul Moore <paul@paul-moore.com>
*
*/
diff --git a/net/netlabel/netlabel_user.h b/net/netlabel/netlabel_user.h
index f4fc4c9ad56..81969785e27 100644
--- a/net/netlabel/netlabel_user.h
+++ b/net/netlabel/netlabel_user.h
@@ -5,7 +5,7 @@
* NetLabel system manages static and dynamic label mappings for network
* protocols such as CIPSO and RIPSO.
*
- * Author: Paul Moore <paul.moore@hp.com>
+ * Author: Paul Moore <paul@paul-moore.com>
*
*/
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index c698cec0a44..fabb4fafa28 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -961,7 +961,10 @@ static int packet_rcv(struct sk_buff *skb, struct net_device *dev,
return 0;
drop_n_acct:
- po->stats.tp_drops = atomic_inc_return(&sk->sk_drops);
+ spin_lock(&sk->sk_receive_queue.lock);
+ po->stats.tp_drops++;
+ atomic_inc(&sk->sk_drops);
+ spin_unlock(&sk->sk_receive_queue.lock);
drop_n_restore:
if (skb_head != skb->data && skb_shared(skb)) {
diff --git a/net/rds/iw_rdma.c b/net/rds/iw_rdma.c
index 8b77edbab27..4e1de171866 100644
--- a/net/rds/iw_rdma.c
+++ b/net/rds/iw_rdma.c
@@ -84,7 +84,8 @@ static int rds_iw_map_fastreg(struct rds_iw_mr_pool *pool,
static void rds_iw_free_fastreg(struct rds_iw_mr_pool *pool, struct rds_iw_mr *ibmr);
static unsigned int rds_iw_unmap_fastreg_list(struct rds_iw_mr_pool *pool,
struct list_head *unmap_list,
- struct list_head *kill_list);
+ struct list_head *kill_list,
+ int *unpinned);
static void rds_iw_destroy_fastreg(struct rds_iw_mr_pool *pool, struct rds_iw_mr *ibmr);
static int rds_iw_get_device(struct rds_sock *rs, struct rds_iw_device **rds_iwdev, struct rdma_cm_id **cm_id)
@@ -499,7 +500,7 @@ static int rds_iw_flush_mr_pool(struct rds_iw_mr_pool *pool, int free_all)
LIST_HEAD(unmap_list);
LIST_HEAD(kill_list);
unsigned long flags;
- unsigned int nfreed = 0, ncleaned = 0, free_goal;
+ unsigned int nfreed = 0, ncleaned = 0, unpinned = 0, free_goal;
int ret = 0;
rds_iw_stats_inc(s_iw_rdma_mr_pool_flush);
@@ -524,7 +525,8 @@ static int rds_iw_flush_mr_pool(struct rds_iw_mr_pool *pool, int free_all)
* will be destroyed by the unmap function.
*/
if (!list_empty(&unmap_list)) {
- ncleaned = rds_iw_unmap_fastreg_list(pool, &unmap_list, &kill_list);
+ ncleaned = rds_iw_unmap_fastreg_list(pool, &unmap_list,
+ &kill_list, &unpinned);
/* If we've been asked to destroy all MRs, move those
* that were simply cleaned to the kill list */
if (free_all)
@@ -548,6 +550,7 @@ static int rds_iw_flush_mr_pool(struct rds_iw_mr_pool *pool, int free_all)
spin_unlock_irqrestore(&pool->list_lock, flags);
}
+ atomic_sub(unpinned, &pool->free_pinned);
atomic_sub(ncleaned, &pool->dirty_count);
atomic_sub(nfreed, &pool->item_count);
@@ -828,7 +831,8 @@ static void rds_iw_free_fastreg(struct rds_iw_mr_pool *pool,
static unsigned int rds_iw_unmap_fastreg_list(struct rds_iw_mr_pool *pool,
struct list_head *unmap_list,
- struct list_head *kill_list)
+ struct list_head *kill_list,
+ int *unpinned)
{
struct rds_iw_mapping *mapping, *next;
unsigned int ncleaned = 0;
@@ -855,6 +859,7 @@ static unsigned int rds_iw_unmap_fastreg_list(struct rds_iw_mr_pool *pool,
spin_lock_irqsave(&pool->list_lock, flags);
list_for_each_entry_safe(mapping, next, unmap_list, m_list) {
+ *unpinned += mapping->m_sg.len;
list_move(&mapping->m_list, &laundered);
ncleaned++;
}
diff --git a/net/rds/page.c b/net/rds/page.c
index d8acdebe3c7..b82d63e77b0 100644
--- a/net/rds/page.c
+++ b/net/rds/page.c
@@ -32,6 +32,7 @@
*/
#include <linux/highmem.h>
#include <linux/gfp.h>
+#include <linux/cpu.h>
#include "rds.h"
diff --git a/net/sched/act_mirred.c b/net/sched/act_mirred.c
index 102fc212cd6..e051398fdf6 100644
--- a/net/sched/act_mirred.c
+++ b/net/sched/act_mirred.c
@@ -196,8 +196,7 @@ static int tcf_mirred(struct sk_buff *skb, const struct tc_action *a,
skb2->skb_iif = skb->dev->ifindex;
skb2->dev = dev;
- dev_queue_xmit(skb2);
- err = 0;
+ err = dev_queue_xmit(skb2);
out:
if (err) {
diff --git a/net/sched/cls_rsvp.h b/net/sched/cls_rsvp.h
index be4505ee67a..b01427924f8 100644
--- a/net/sched/cls_rsvp.h
+++ b/net/sched/cls_rsvp.h
@@ -425,7 +425,7 @@ static int rsvp_change(struct tcf_proto *tp, unsigned long base,
struct rsvp_filter *f, **fp;
struct rsvp_session *s, **sp;
struct tc_rsvp_pinfo *pinfo = NULL;
- struct nlattr *opt = tca[TCA_OPTIONS-1];
+ struct nlattr *opt = tca[TCA_OPTIONS];
struct nlattr *tb[TCA_RSVP_MAX + 1];
struct tcf_exts e;
unsigned int h1, h2;
@@ -439,7 +439,7 @@ static int rsvp_change(struct tcf_proto *tp, unsigned long base,
if (err < 0)
return err;
- err = tcf_exts_validate(tp, tb, tca[TCA_RATE-1], &e, &rsvp_ext_map);
+ err = tcf_exts_validate(tp, tb, tca[TCA_RATE], &e, &rsvp_ext_map);
if (err < 0)
return err;
@@ -449,8 +449,8 @@ static int rsvp_change(struct tcf_proto *tp, unsigned long base,
if (f->handle != handle && handle)
goto errout2;
- if (tb[TCA_RSVP_CLASSID-1]) {
- f->res.classid = nla_get_u32(tb[TCA_RSVP_CLASSID-1]);
+ if (tb[TCA_RSVP_CLASSID]) {
+ f->res.classid = nla_get_u32(tb[TCA_RSVP_CLASSID]);
tcf_bind_filter(tp, &f->res, base);
}
@@ -462,7 +462,7 @@ static int rsvp_change(struct tcf_proto *tp, unsigned long base,
err = -EINVAL;
if (handle)
goto errout2;
- if (tb[TCA_RSVP_DST-1] == NULL)
+ if (tb[TCA_RSVP_DST] == NULL)
goto errout2;
err = -ENOBUFS;
@@ -471,19 +471,19 @@ static int rsvp_change(struct tcf_proto *tp, unsigned long base,
goto errout2;
h2 = 16;
- if (tb[TCA_RSVP_SRC-1]) {
- memcpy(f->src, nla_data(tb[TCA_RSVP_SRC-1]), sizeof(f->src));
+ if (tb[TCA_RSVP_SRC]) {
+ memcpy(f->src, nla_data(tb[TCA_RSVP_SRC]), sizeof(f->src));
h2 = hash_src(f->src);
}
- if (tb[TCA_RSVP_PINFO-1]) {
- pinfo = nla_data(tb[TCA_RSVP_PINFO-1]);
+ if (tb[TCA_RSVP_PINFO]) {
+ pinfo = nla_data(tb[TCA_RSVP_PINFO]);
f->spi = pinfo->spi;
f->tunnelhdr = pinfo->tunnelhdr;
}
- if (tb[TCA_RSVP_CLASSID-1])
- f->res.classid = nla_get_u32(tb[TCA_RSVP_CLASSID-1]);
+ if (tb[TCA_RSVP_CLASSID])
+ f->res.classid = nla_get_u32(tb[TCA_RSVP_CLASSID]);
- dst = nla_data(tb[TCA_RSVP_DST-1]);
+ dst = nla_data(tb[TCA_RSVP_DST]);
h1 = hash_dst(dst, pinfo ? pinfo->protocol : 0, pinfo ? pinfo->tunnelid : 0);
err = -ENOMEM;
@@ -642,8 +642,7 @@ nla_put_failure:
return -1;
}
-static struct tcf_proto_ops RSVP_OPS = {
- .next = NULL,
+static struct tcf_proto_ops RSVP_OPS __read_mostly = {
.kind = RSVP_ID,
.classify = rsvp_classify,
.init = rsvp_init,
diff --git a/net/sched/sch_prio.c b/net/sched/sch_prio.c
index 2a318f2dc3e..b5d56a22b1d 100644
--- a/net/sched/sch_prio.c
+++ b/net/sched/sch_prio.c
@@ -112,7 +112,7 @@ static struct sk_buff *prio_dequeue(struct Qdisc *sch)
for (prio = 0; prio < q->bands; prio++) {
struct Qdisc *qdisc = q->queues[prio];
- struct sk_buff *skb = qdisc->dequeue(qdisc);
+ struct sk_buff *skb = qdisc_dequeue_peeked(qdisc);
if (skb) {
qdisc_bstats_update(sch, skb);
sch->q.qlen--;
diff --git a/net/sched/sch_sfq.c b/net/sched/sch_sfq.c
index 4536ee64383..4f5510e2bd6 100644
--- a/net/sched/sch_sfq.c
+++ b/net/sched/sch_sfq.c
@@ -410,7 +410,12 @@ sfq_enqueue(struct sk_buff *skb, struct Qdisc *sch)
/* Return Congestion Notification only if we dropped a packet
* from this flow.
*/
- return (qlen != slot->qlen) ? NET_XMIT_CN : NET_XMIT_SUCCESS;
+ if (qlen != slot->qlen)
+ return NET_XMIT_CN;
+
+ /* As we dropped a packet, better let upper stack know this */
+ qdisc_tree_decrease_qlen(sch, 1);
+ return NET_XMIT_SUCCESS;
}
static struct sk_buff *
diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c
index 167c880cf8d..76388b083f2 100644
--- a/net/sctp/sm_sideeffect.c
+++ b/net/sctp/sm_sideeffect.c
@@ -1689,6 +1689,11 @@ static int sctp_cmd_interpreter(sctp_event_t event_type,
case SCTP_CMD_PURGE_ASCONF_QUEUE:
sctp_asconf_queue_teardown(asoc);
break;
+
+ case SCTP_CMD_SET_ASOC:
+ asoc = cmd->obj.asoc;
+ break;
+
default:
pr_warn("Impossible command: %u, %p\n",
cmd->verb, cmd->obj.ptr);
diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c
index 49b847b00f9..a0f31e6c1c6 100644
--- a/net/sctp/sm_statefuns.c
+++ b/net/sctp/sm_statefuns.c
@@ -2047,6 +2047,12 @@ sctp_disposition_t sctp_sf_do_5_2_4_dupcook(const struct sctp_endpoint *ep,
sctp_add_cmd_sf(commands, SCTP_CMD_NEW_ASOC, SCTP_ASOC(new_asoc));
sctp_add_cmd_sf(commands, SCTP_CMD_DELETE_TCB, SCTP_NULL());
+ /* Restore association pointer to provide SCTP command interpeter
+ * with a valid context in case it needs to manipulate
+ * the queues */
+ sctp_add_cmd_sf(commands, SCTP_CMD_SET_ASOC,
+ SCTP_ASOC((struct sctp_association *)asoc));
+
return retval;
nomem:
diff --git a/net/socket.c b/net/socket.c
index 02dc82db3d2..ffe92ca32f2 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -467,7 +467,7 @@ static struct socket *sock_alloc(void)
struct inode *inode;
struct socket *sock;
- inode = new_inode(sock_mnt->mnt_sb);
+ inode = new_inode_pseudo(sock_mnt->mnt_sb);
if (!inode)
return NULL;
@@ -580,7 +580,7 @@ int sock_sendmsg(struct socket *sock, struct msghdr *msg, size_t size)
}
EXPORT_SYMBOL(sock_sendmsg);
-int sock_sendmsg_nosec(struct socket *sock, struct msghdr *msg, size_t size)
+static int sock_sendmsg_nosec(struct socket *sock, struct msghdr *msg, size_t size)
{
struct kiocb iocb;
struct sock_iocb siocb;
@@ -1871,8 +1871,14 @@ SYSCALL_DEFINE2(shutdown, int, fd, int, how)
#define COMPAT_NAMELEN(msg) COMPAT_MSG(msg, msg_namelen)
#define COMPAT_FLAGS(msg) COMPAT_MSG(msg, msg_flags)
+struct used_address {
+ struct sockaddr_storage name;
+ unsigned int name_len;
+};
+
static int __sys_sendmsg(struct socket *sock, struct msghdr __user *msg,
- struct msghdr *msg_sys, unsigned flags, int nosec)
+ struct msghdr *msg_sys, unsigned flags,
+ struct used_address *used_address)
{
struct compat_msghdr __user *msg_compat =
(struct compat_msghdr __user *)msg;
@@ -1953,8 +1959,30 @@ static int __sys_sendmsg(struct socket *sock, struct msghdr __user *msg,
if (sock->file->f_flags & O_NONBLOCK)
msg_sys->msg_flags |= MSG_DONTWAIT;
- err = (nosec ? sock_sendmsg_nosec : sock_sendmsg)(sock, msg_sys,
- total_len);
+ /*
+ * If this is sendmmsg() and current destination address is same as
+ * previously succeeded address, omit asking LSM's decision.
+ * used_address->name_len is initialized to UINT_MAX so that the first
+ * destination address never matches.
+ */
+ if (used_address && msg_sys->msg_name &&
+ used_address->name_len == msg_sys->msg_namelen &&
+ !memcmp(&used_address->name, msg_sys->msg_name,
+ used_address->name_len)) {
+ err = sock_sendmsg_nosec(sock, msg_sys, total_len);
+ goto out_freectl;
+ }
+ err = sock_sendmsg(sock, msg_sys, total_len);
+ /*
+ * If this is sendmmsg() and sending to current destination address was
+ * successful, remember it.
+ */
+ if (used_address && err >= 0) {
+ used_address->name_len = msg_sys->msg_namelen;
+ if (msg_sys->msg_name)
+ memcpy(&used_address->name, msg_sys->msg_name,
+ used_address->name_len);
+ }
out_freectl:
if (ctl_buf != ctl)
@@ -1979,7 +2007,7 @@ SYSCALL_DEFINE3(sendmsg, int, fd, struct msghdr __user *, msg, unsigned, flags)
if (!sock)
goto out;
- err = __sys_sendmsg(sock, msg, &msg_sys, flags, 0);
+ err = __sys_sendmsg(sock, msg, &msg_sys, flags, NULL);
fput_light(sock->file, fput_needed);
out:
@@ -1998,6 +2026,10 @@ int __sys_sendmmsg(int fd, struct mmsghdr __user *mmsg, unsigned int vlen,
struct mmsghdr __user *entry;
struct compat_mmsghdr __user *compat_entry;
struct msghdr msg_sys;
+ struct used_address used_address;
+
+ if (vlen > UIO_MAXIOV)
+ vlen = UIO_MAXIOV;
datagrams = 0;
@@ -2005,27 +2037,22 @@ int __sys_sendmmsg(int fd, struct mmsghdr __user *mmsg, unsigned int vlen,
if (!sock)
return err;
- err = sock_error(sock->sk);
- if (err)
- goto out_put;
-
+ used_address.name_len = UINT_MAX;
entry = mmsg;
compat_entry = (struct compat_mmsghdr __user *)mmsg;
+ err = 0;
while (datagrams < vlen) {
- /*
- * No need to ask LSM for more than the first datagram.
- */
if (MSG_CMSG_COMPAT & flags) {
err = __sys_sendmsg(sock, (struct msghdr __user *)compat_entry,
- &msg_sys, flags, datagrams);
+ &msg_sys, flags, &used_address);
if (err < 0)
break;
err = __put_user(err, &compat_entry->msg_len);
++compat_entry;
} else {
err = __sys_sendmsg(sock, (struct msghdr __user *)entry,
- &msg_sys, flags, datagrams);
+ &msg_sys, flags, &used_address);
if (err < 0)
break;
err = put_user(err, &entry->msg_len);
@@ -2037,29 +2064,11 @@ int __sys_sendmmsg(int fd, struct mmsghdr __user *mmsg, unsigned int vlen,
++datagrams;
}
-out_put:
fput_light(sock->file, fput_needed);
- if (err == 0)
- return datagrams;
-
- if (datagrams != 0) {
- /*
- * We may send less entries than requested (vlen) if the
- * sock is non blocking...
- */
- if (err != -EAGAIN) {
- /*
- * ... or if sendmsg returns an error after we
- * send some datagrams, where we record the
- * error to return on the next call or if the
- * app asks about it using getsockopt(SO_ERROR).
- */
- sock->sk->sk_err = -err;
- }
-
+ /* We only return an error if no datagrams were able to be sent */
+ if (datagrams != 0)
return datagrams;
- }
return err;
}
diff --git a/net/sunrpc/Kconfig b/net/sunrpc/Kconfig
index b2198e65d8b..ffd243d0918 100644
--- a/net/sunrpc/Kconfig
+++ b/net/sunrpc/Kconfig
@@ -4,6 +4,10 @@ config SUNRPC
config SUNRPC_GSS
tristate
+config SUNRPC_BACKCHANNEL
+ bool
+ depends on SUNRPC
+
config SUNRPC_XPRT_RDMA
tristate
depends on SUNRPC && INFINIBAND && INFINIBAND_ADDR_TRANS && EXPERIMENTAL
diff --git a/net/sunrpc/Makefile b/net/sunrpc/Makefile
index 9d2fca5ad14..8209a0411bc 100644
--- a/net/sunrpc/Makefile
+++ b/net/sunrpc/Makefile
@@ -13,6 +13,6 @@ sunrpc-y := clnt.o xprt.o socklib.o xprtsock.o sched.o \
addr.o rpcb_clnt.o timer.o xdr.o \
sunrpc_syms.o cache.o rpc_pipe.o \
svc_xprt.o
-sunrpc-$(CONFIG_NFS_V4_1) += backchannel_rqst.o bc_svc.o
+sunrpc-$(CONFIG_SUNRPC_BACKCHANNEL) += backchannel_rqst.o bc_svc.o
sunrpc-$(CONFIG_PROC_FS) += stats.o
sunrpc-$(CONFIG_SYSCTL) += sysctl.o
diff --git a/net/sunrpc/auth_gss/gss_krb5_mech.c b/net/sunrpc/auth_gss/gss_krb5_mech.c
index c3b75333b82..8c67890de42 100644
--- a/net/sunrpc/auth_gss/gss_krb5_mech.c
+++ b/net/sunrpc/auth_gss/gss_krb5_mech.c
@@ -744,6 +744,13 @@ static struct pf_desc gss_kerberos_pfs[] = {
},
};
+MODULE_ALIAS("rpc-auth-gss-krb5");
+MODULE_ALIAS("rpc-auth-gss-krb5i");
+MODULE_ALIAS("rpc-auth-gss-krb5p");
+MODULE_ALIAS("rpc-auth-gss-390003");
+MODULE_ALIAS("rpc-auth-gss-390004");
+MODULE_ALIAS("rpc-auth-gss-390005");
+
static struct gss_api_mech gss_kerberos_mech = {
.gm_name = "krb5",
.gm_owner = THIS_MODULE,
diff --git a/net/sunrpc/auth_gss/gss_mech_switch.c b/net/sunrpc/auth_gss/gss_mech_switch.c
index e3c36a27441..ca8cad8251c 100644
--- a/net/sunrpc/auth_gss/gss_mech_switch.c
+++ b/net/sunrpc/auth_gss/gss_mech_switch.c
@@ -141,7 +141,7 @@ gss_mech_get(struct gss_api_mech *gm)
EXPORT_SYMBOL_GPL(gss_mech_get);
struct gss_api_mech *
-gss_mech_get_by_name(const char *name)
+_gss_mech_get_by_name(const char *name)
{
struct gss_api_mech *pos, *gm = NULL;
@@ -158,6 +158,17 @@ gss_mech_get_by_name(const char *name)
}
+struct gss_api_mech * gss_mech_get_by_name(const char *name)
+{
+ struct gss_api_mech *gm = NULL;
+
+ gm = _gss_mech_get_by_name(name);
+ if (!gm) {
+ request_module("rpc-auth-gss-%s", name);
+ gm = _gss_mech_get_by_name(name);
+ }
+ return gm;
+}
EXPORT_SYMBOL_GPL(gss_mech_get_by_name);
struct gss_api_mech *
@@ -194,10 +205,9 @@ mech_supports_pseudoflavor(struct gss_api_mech *gm, u32 pseudoflavor)
return 0;
}
-struct gss_api_mech *
-gss_mech_get_by_pseudoflavor(u32 pseudoflavor)
+struct gss_api_mech *_gss_mech_get_by_pseudoflavor(u32 pseudoflavor)
{
- struct gss_api_mech *pos, *gm = NULL;
+ struct gss_api_mech *gm = NULL, *pos;
spin_lock(&registered_mechs_lock);
list_for_each_entry(pos, &registered_mechs, gm_list) {
@@ -213,6 +223,20 @@ gss_mech_get_by_pseudoflavor(u32 pseudoflavor)
return gm;
}
+struct gss_api_mech *
+gss_mech_get_by_pseudoflavor(u32 pseudoflavor)
+{
+ struct gss_api_mech *gm;
+
+ gm = _gss_mech_get_by_pseudoflavor(pseudoflavor);
+
+ if (!gm) {
+ request_module("rpc-auth-gss-%u", pseudoflavor);
+ gm = _gss_mech_get_by_pseudoflavor(pseudoflavor);
+ }
+ return gm;
+}
+
EXPORT_SYMBOL_GPL(gss_mech_get_by_pseudoflavor);
int gss_mech_list_pseudoflavors(rpc_authflavor_t *array_ptr)
diff --git a/net/sunrpc/backchannel_rqst.c b/net/sunrpc/backchannel_rqst.c
index cf06af3b63c..91eaa26e4c4 100644
--- a/net/sunrpc/backchannel_rqst.c
+++ b/net/sunrpc/backchannel_rqst.c
@@ -29,8 +29,6 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#define RPCDBG_FACILITY RPCDBG_TRANS
#endif
-#if defined(CONFIG_NFS_V4_1)
-
/*
* Helper routines that track the number of preallocation elements
* on the transport.
@@ -174,7 +172,7 @@ out_free:
dprintk("RPC: setup backchannel transport failed\n");
return -1;
}
-EXPORT_SYMBOL(xprt_setup_backchannel);
+EXPORT_SYMBOL_GPL(xprt_setup_backchannel);
/*
* Destroys the backchannel preallocated structures.
@@ -204,7 +202,7 @@ void xprt_destroy_backchannel(struct rpc_xprt *xprt, unsigned int max_reqs)
dprintk("RPC: backchannel list empty= %s\n",
list_empty(&xprt->bc_pa_list) ? "true" : "false");
}
-EXPORT_SYMBOL(xprt_destroy_backchannel);
+EXPORT_SYMBOL_GPL(xprt_destroy_backchannel);
/*
* One or more rpc_rqst structure have been preallocated during the
@@ -279,4 +277,3 @@ void xprt_free_bc_request(struct rpc_rqst *req)
spin_unlock_bh(&xprt->bc_pa_lock);
}
-#endif /* CONFIG_NFS_V4_1 */
diff --git a/net/sunrpc/bc_svc.c b/net/sunrpc/bc_svc.c
index 1dd1a689000..0b2eb388cbd 100644
--- a/net/sunrpc/bc_svc.c
+++ b/net/sunrpc/bc_svc.c
@@ -27,8 +27,6 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* reply over an existing open connection previously established by the client.
*/
-#if defined(CONFIG_NFS_V4_1)
-
#include <linux/module.h>
#include <linux/sunrpc/xprt.h>
@@ -63,4 +61,3 @@ int bc_send(struct rpc_rqst *req)
return ret;
}
-#endif /* CONFIG_NFS_V4_1 */
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index c50818f0473..c5347d29cfb 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -64,9 +64,9 @@ static void call_decode(struct rpc_task *task);
static void call_bind(struct rpc_task *task);
static void call_bind_status(struct rpc_task *task);
static void call_transmit(struct rpc_task *task);
-#if defined(CONFIG_NFS_V4_1)
+#if defined(CONFIG_SUNRPC_BACKCHANNEL)
static void call_bc_transmit(struct rpc_task *task);
-#endif /* CONFIG_NFS_V4_1 */
+#endif /* CONFIG_SUNRPC_BACKCHANNEL */
static void call_status(struct rpc_task *task);
static void call_transmit_status(struct rpc_task *task);
static void call_refresh(struct rpc_task *task);
@@ -715,7 +715,7 @@ rpc_call_async(struct rpc_clnt *clnt, const struct rpc_message *msg, int flags,
}
EXPORT_SYMBOL_GPL(rpc_call_async);
-#if defined(CONFIG_NFS_V4_1)
+#if defined(CONFIG_SUNRPC_BACKCHANNEL)
/**
* rpc_run_bc_task - Allocate a new RPC task for backchannel use, then run
* rpc_execute against it
@@ -758,7 +758,7 @@ out:
dprintk("RPC: rpc_run_bc_task: task= %p\n", task);
return task;
}
-#endif /* CONFIG_NFS_V4_1 */
+#endif /* CONFIG_SUNRPC_BACKCHANNEL */
void
rpc_call_start(struct rpc_task *task)
@@ -1361,7 +1361,7 @@ call_transmit_status(struct rpc_task *task)
}
}
-#if defined(CONFIG_NFS_V4_1)
+#if defined(CONFIG_SUNRPC_BACKCHANNEL)
/*
* 5b. Send the backchannel RPC reply. On error, drop the reply. In
* addition, disconnect on connectivity errors.
@@ -1425,7 +1425,7 @@ call_bc_transmit(struct rpc_task *task)
}
rpc_wake_up_queued_task(&req->rq_xprt->pending, task);
}
-#endif /* CONFIG_NFS_V4_1 */
+#endif /* CONFIG_SUNRPC_BACKCHANNEL */
/*
* 6. Sort out the RPC call status
@@ -1550,8 +1550,7 @@ call_decode(struct rpc_task *task)
kxdrdproc_t decode = task->tk_msg.rpc_proc->p_decode;
__be32 *p;
- dprintk("RPC: %5u call_decode (status %d)\n",
- task->tk_pid, task->tk_status);
+ dprint_status(task);
if (task->tk_flags & RPC_CALL_MAJORSEEN) {
if (clnt->cl_chatty)
diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c
index 4814e246a87..d12ffa54581 100644
--- a/net/sunrpc/sched.c
+++ b/net/sunrpc/sched.c
@@ -97,14 +97,16 @@ __rpc_add_timer(struct rpc_wait_queue *queue, struct rpc_task *task)
/*
* Add new request to a priority queue.
*/
-static void __rpc_add_wait_queue_priority(struct rpc_wait_queue *queue, struct rpc_task *task)
+static void __rpc_add_wait_queue_priority(struct rpc_wait_queue *queue,
+ struct rpc_task *task,
+ unsigned char queue_priority)
{
struct list_head *q;
struct rpc_task *t;
INIT_LIST_HEAD(&task->u.tk_wait.links);
- q = &queue->tasks[task->tk_priority];
- if (unlikely(task->tk_priority > queue->maxpriority))
+ q = &queue->tasks[queue_priority];
+ if (unlikely(queue_priority > queue->maxpriority))
q = &queue->tasks[queue->maxpriority];
list_for_each_entry(t, q, u.tk_wait.list) {
if (t->tk_owner == task->tk_owner) {
@@ -123,12 +125,14 @@ static void __rpc_add_wait_queue_priority(struct rpc_wait_queue *queue, struct r
* improve overall performance.
* Everyone else gets appended to the queue to ensure proper FIFO behavior.
*/
-static void __rpc_add_wait_queue(struct rpc_wait_queue *queue, struct rpc_task *task)
+static void __rpc_add_wait_queue(struct rpc_wait_queue *queue,
+ struct rpc_task *task,
+ unsigned char queue_priority)
{
BUG_ON (RPC_IS_QUEUED(task));
if (RPC_IS_PRIORITY(queue))
- __rpc_add_wait_queue_priority(queue, task);
+ __rpc_add_wait_queue_priority(queue, task, queue_priority);
else if (RPC_IS_SWAPPER(task))
list_add(&task->u.tk_wait.list, &queue->tasks[0]);
else
@@ -311,13 +315,15 @@ static void rpc_make_runnable(struct rpc_task *task)
* NB: An RPC task will only receive interrupt-driven events as long
* as it's on a wait queue.
*/
-static void __rpc_sleep_on(struct rpc_wait_queue *q, struct rpc_task *task,
- rpc_action action)
+static void __rpc_sleep_on_priority(struct rpc_wait_queue *q,
+ struct rpc_task *task,
+ rpc_action action,
+ unsigned char queue_priority)
{
dprintk("RPC: %5u sleep_on(queue \"%s\" time %lu)\n",
task->tk_pid, rpc_qname(q), jiffies);
- __rpc_add_wait_queue(q, task);
+ __rpc_add_wait_queue(q, task, queue_priority);
BUG_ON(task->tk_callback != NULL);
task->tk_callback = action;
@@ -334,11 +340,25 @@ void rpc_sleep_on(struct rpc_wait_queue *q, struct rpc_task *task,
* Protect the queue operations.
*/
spin_lock_bh(&q->lock);
- __rpc_sleep_on(q, task, action);
+ __rpc_sleep_on_priority(q, task, action, task->tk_priority);
spin_unlock_bh(&q->lock);
}
EXPORT_SYMBOL_GPL(rpc_sleep_on);
+void rpc_sleep_on_priority(struct rpc_wait_queue *q, struct rpc_task *task,
+ rpc_action action, int priority)
+{
+ /* We shouldn't ever put an inactive task to sleep */
+ BUG_ON(!RPC_IS_ACTIVATED(task));
+
+ /*
+ * Protect the queue operations.
+ */
+ spin_lock_bh(&q->lock);
+ __rpc_sleep_on_priority(q, task, action, priority - RPC_PRIORITY_LOW);
+ spin_unlock_bh(&q->lock);
+}
+
/**
* __rpc_do_wake_up_task - wake up a single rpc_task
* @queue: wait queue
diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c
index 2b90292e950..6a69a1131fb 100644
--- a/net/sunrpc/svc.c
+++ b/net/sunrpc/svc.c
@@ -1252,7 +1252,7 @@ svc_process(struct svc_rqst *rqstp)
}
}
-#if defined(CONFIG_NFS_V4_1)
+#if defined(CONFIG_SUNRPC_BACKCHANNEL)
/*
* Process a backchannel RPC request that arrived over an existing
* outbound connection
@@ -1300,8 +1300,8 @@ bc_svc_process(struct svc_serv *serv, struct rpc_rqst *req,
return 0;
}
}
-EXPORT_SYMBOL(bc_svc_process);
-#endif /* CONFIG_NFS_V4_1 */
+EXPORT_SYMBOL_GPL(bc_svc_process);
+#endif /* CONFIG_SUNRPC_BACKCHANNEL */
/*
* Return (transport-specific) limit on the rpc payload.
diff --git a/net/sunrpc/svc_xprt.c b/net/sunrpc/svc_xprt.c
index ab86b7927f8..bd31208bbb6 100644
--- a/net/sunrpc/svc_xprt.c
+++ b/net/sunrpc/svc_xprt.c
@@ -902,12 +902,13 @@ void svc_delete_xprt(struct svc_xprt *xprt)
if (!test_and_set_bit(XPT_DETACHED, &xprt->xpt_flags))
list_del_init(&xprt->xpt_list);
/*
- * We used to delete the transport from whichever list
- * it's sk_xprt.xpt_ready node was on, but we don't actually
- * need to. This is because the only time we're called
- * while still attached to a queue, the queue itself
- * is about to be destroyed (in svc_destroy).
+ * The only time we're called while xpt_ready is still on a list
+ * is while the list itself is about to be destroyed (in
+ * svc_destroy). BUT svc_xprt_enqueue could still be attempting
+ * to add new entries to the sp_sockets list, so we can't leave
+ * a freed xprt on it.
*/
+ list_del_init(&xprt->xpt_ready);
if (test_bit(XPT_TEMP, &xprt->xpt_flags))
serv->sv_tmpcnt--;
spin_unlock_bh(&serv->sv_lock);
diff --git a/net/sunrpc/svcauth_unix.c b/net/sunrpc/svcauth_unix.c
index c8e10216c11..ce136323da8 100644
--- a/net/sunrpc/svcauth_unix.c
+++ b/net/sunrpc/svcauth_unix.c
@@ -30,12 +30,10 @@
struct unix_domain {
struct auth_domain h;
-#ifdef CONFIG_NFSD_DEPRECATED
- int addr_changes;
-#endif /* CONFIG_NFSD_DEPRECATED */
/* other stuff later */
};
+extern struct auth_ops svcauth_null;
extern struct auth_ops svcauth_unix;
static void svcauth_unix_domain_release(struct auth_domain *dom)
@@ -74,9 +72,6 @@ struct auth_domain *unix_domain_find(char *name)
return NULL;
}
new->h.flavour = &svcauth_unix;
-#ifdef CONFIG_NFSD_DEPRECATED
- new->addr_changes = 0;
-#endif /* CONFIG_NFSD_DEPRECATED */
rv = auth_domain_lookup(name, &new->h);
}
}
@@ -95,9 +90,6 @@ struct ip_map {
char m_class[8]; /* e.g. "nfsd" */
struct in6_addr m_addr;
struct unix_domain *m_client;
-#ifdef CONFIG_NFSD_DEPRECATED
- int m_add_change;
-#endif /* CONFIG_NFSD_DEPRECATED */
};
static void ip_map_put(struct kref *kref)
@@ -151,9 +143,6 @@ static void update(struct cache_head *cnew, struct cache_head *citem)
kref_get(&item->m_client->h.ref);
new->m_client = item->m_client;
-#ifdef CONFIG_NFSD_DEPRECATED
- new->m_add_change = item->m_add_change;
-#endif /* CONFIG_NFSD_DEPRECATED */
}
static struct cache_head *ip_map_alloc(void)
{
@@ -338,16 +327,6 @@ static int __ip_map_update(struct cache_detail *cd, struct ip_map *ipm,
ip.h.flags = 0;
if (!udom)
set_bit(CACHE_NEGATIVE, &ip.h.flags);
-#ifdef CONFIG_NFSD_DEPRECATED
- else {
- ip.m_add_change = udom->addr_changes;
- /* if this is from the legacy set_client system call,
- * we need m_add_change to be one higher
- */
- if (expiry == NEVER)
- ip.m_add_change++;
- }
-#endif /* CONFIG_NFSD_DEPRECATED */
ip.h.expiry_time = expiry;
ch = sunrpc_cache_update(cd, &ip.h, &ipm->h,
hash_str(ipm->m_class, IP_HASHBITS) ^
@@ -367,62 +346,6 @@ static inline int ip_map_update(struct net *net, struct ip_map *ipm,
return __ip_map_update(sn->ip_map_cache, ipm, udom, expiry);
}
-#ifdef CONFIG_NFSD_DEPRECATED
-int auth_unix_add_addr(struct net *net, struct in6_addr *addr, struct auth_domain *dom)
-{
- struct unix_domain *udom;
- struct ip_map *ipmp;
-
- if (dom->flavour != &svcauth_unix)
- return -EINVAL;
- udom = container_of(dom, struct unix_domain, h);
- ipmp = ip_map_lookup(net, "nfsd", addr);
-
- if (ipmp)
- return ip_map_update(net, ipmp, udom, NEVER);
- else
- return -ENOMEM;
-}
-EXPORT_SYMBOL_GPL(auth_unix_add_addr);
-
-int auth_unix_forget_old(struct auth_domain *dom)
-{
- struct unix_domain *udom;
-
- if (dom->flavour != &svcauth_unix)
- return -EINVAL;
- udom = container_of(dom, struct unix_domain, h);
- udom->addr_changes++;
- return 0;
-}
-EXPORT_SYMBOL_GPL(auth_unix_forget_old);
-
-struct auth_domain *auth_unix_lookup(struct net *net, struct in6_addr *addr)
-{
- struct ip_map *ipm;
- struct auth_domain *rv;
- struct sunrpc_net *sn;
-
- sn = net_generic(net, sunrpc_net_id);
- ipm = ip_map_lookup(net, "nfsd", addr);
-
- if (!ipm)
- return NULL;
- if (cache_check(sn->ip_map_cache, &ipm->h, NULL))
- return NULL;
-
- if ((ipm->m_client->addr_changes - ipm->m_add_change) >0) {
- sunrpc_invalidate(&ipm->h, sn->ip_map_cache);
- rv = NULL;
- } else {
- rv = &ipm->m_client->h;
- kref_get(&rv->ref);
- }
- cache_put(&ipm->h, sn->ip_map_cache);
- return rv;
-}
-EXPORT_SYMBOL_GPL(auth_unix_lookup);
-#endif /* CONFIG_NFSD_DEPRECATED */
void svcauth_unix_purge(void)
{
diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
index af04f779ce9..767d494de7a 100644
--- a/net/sunrpc/svcsock.c
+++ b/net/sunrpc/svcsock.c
@@ -51,6 +51,8 @@
#include <linux/sunrpc/stats.h>
#include <linux/sunrpc/xprt.h>
+#include "sunrpc.h"
+
#define RPCDBG_FACILITY RPCDBG_SVCXPRT
@@ -66,12 +68,12 @@ static void svc_sock_free(struct svc_xprt *);
static struct svc_xprt *svc_create_socket(struct svc_serv *, int,
struct net *, struct sockaddr *,
int, int);
-#if defined(CONFIG_NFS_V4_1)
+#if defined(CONFIG_SUNRPC_BACKCHANNEL)
static struct svc_xprt *svc_bc_create_socket(struct svc_serv *, int,
struct net *, struct sockaddr *,
int, int);
static void svc_bc_sock_free(struct svc_xprt *xprt);
-#endif /* CONFIG_NFS_V4_1 */
+#endif /* CONFIG_SUNRPC_BACKCHANNEL */
#ifdef CONFIG_DEBUG_LOCK_ALLOC
static struct lock_class_key svc_key[2];
@@ -1241,7 +1243,7 @@ static struct svc_xprt *svc_tcp_create(struct svc_serv *serv,
return svc_create_socket(serv, IPPROTO_TCP, net, sa, salen, flags);
}
-#if defined(CONFIG_NFS_V4_1)
+#if defined(CONFIG_SUNRPC_BACKCHANNEL)
static struct svc_xprt *svc_bc_create_socket(struct svc_serv *, int,
struct net *, struct sockaddr *,
int, int);
@@ -1282,7 +1284,7 @@ static void svc_cleanup_bc_xprt_sock(void)
{
svc_unreg_xprt_class(&svc_tcp_bc_class);
}
-#else /* CONFIG_NFS_V4_1 */
+#else /* CONFIG_SUNRPC_BACKCHANNEL */
static void svc_init_bc_xprt_sock(void)
{
}
@@ -1290,7 +1292,7 @@ static void svc_init_bc_xprt_sock(void)
static void svc_cleanup_bc_xprt_sock(void)
{
}
-#endif /* CONFIG_NFS_V4_1 */
+#endif /* CONFIG_SUNRPC_BACKCHANNEL */
static struct svc_xprt_ops svc_tcp_ops = {
.xpo_create = svc_tcp_create,
@@ -1621,7 +1623,7 @@ static void svc_sock_free(struct svc_xprt *xprt)
kfree(svsk);
}
-#if defined(CONFIG_NFS_V4_1)
+#if defined(CONFIG_SUNRPC_BACKCHANNEL)
/*
* Create a back channel svc_xprt which shares the fore channel socket.
*/
@@ -1660,4 +1662,4 @@ static void svc_bc_sock_free(struct svc_xprt *xprt)
if (xprt)
kfree(container_of(xprt, struct svc_sock, sk_xprt));
}
-#endif /* CONFIG_NFS_V4_1 */
+#endif /* CONFIG_SUNRPC_BACKCHANNEL */
diff --git a/net/sunrpc/xdr.c b/net/sunrpc/xdr.c
index f008c14ad34..277ebd4bf09 100644
--- a/net/sunrpc/xdr.c
+++ b/net/sunrpc/xdr.c
@@ -126,7 +126,7 @@ xdr_terminate_string(struct xdr_buf *buf, const u32 len)
kaddr[buf->page_base + len] = '\0';
kunmap_atomic(kaddr, KM_USER0);
}
-EXPORT_SYMBOL(xdr_terminate_string);
+EXPORT_SYMBOL_GPL(xdr_terminate_string);
void
xdr_encode_pages(struct xdr_buf *xdr, struct page **pages, unsigned int base,
diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c
index ce5eb68a966..f4385e45a5f 100644
--- a/net/sunrpc/xprt.c
+++ b/net/sunrpc/xprt.c
@@ -62,6 +62,7 @@
/*
* Local functions
*/
+static void xprt_init(struct rpc_xprt *xprt, struct net *net);
static void xprt_request_init(struct rpc_task *, struct rpc_xprt *);
static void xprt_connect_status(struct rpc_task *task);
static int __xprt_get_cong(struct rpc_xprt *, struct rpc_task *);
@@ -186,15 +187,16 @@ EXPORT_SYMBOL_GPL(xprt_load_transport);
/**
* xprt_reserve_xprt - serialize write access to transports
* @task: task that is requesting access to the transport
+ * @xprt: pointer to the target transport
*
* This prevents mixing the payload of separate requests, and prevents
* transport connects from colliding with writes. No congestion control
* is provided.
*/
-int xprt_reserve_xprt(struct rpc_task *task)
+int xprt_reserve_xprt(struct rpc_xprt *xprt, struct rpc_task *task)
{
struct rpc_rqst *req = task->tk_rqstp;
- struct rpc_xprt *xprt = req->rq_xprt;
+ int priority;
if (test_and_set_bit(XPRT_LOCKED, &xprt->state)) {
if (task == xprt->snd_task)
@@ -202,8 +204,10 @@ int xprt_reserve_xprt(struct rpc_task *task)
goto out_sleep;
}
xprt->snd_task = task;
- req->rq_bytes_sent = 0;
- req->rq_ntrans++;
+ if (req != NULL) {
+ req->rq_bytes_sent = 0;
+ req->rq_ntrans++;
+ }
return 1;
@@ -212,10 +216,13 @@ out_sleep:
task->tk_pid, xprt);
task->tk_timeout = 0;
task->tk_status = -EAGAIN;
- if (req->rq_ntrans)
- rpc_sleep_on(&xprt->resend, task, NULL);
+ if (req == NULL)
+ priority = RPC_PRIORITY_LOW;
+ else if (!req->rq_ntrans)
+ priority = RPC_PRIORITY_NORMAL;
else
- rpc_sleep_on(&xprt->sending, task, NULL);
+ priority = RPC_PRIORITY_HIGH;
+ rpc_sleep_on_priority(&xprt->sending, task, NULL, priority);
return 0;
}
EXPORT_SYMBOL_GPL(xprt_reserve_xprt);
@@ -239,22 +246,24 @@ static void xprt_clear_locked(struct rpc_xprt *xprt)
* integrated into the decision of whether a request is allowed to be
* woken up and given access to the transport.
*/
-int xprt_reserve_xprt_cong(struct rpc_task *task)
+int xprt_reserve_xprt_cong(struct rpc_xprt *xprt, struct rpc_task *task)
{
- struct rpc_xprt *xprt = task->tk_xprt;
struct rpc_rqst *req = task->tk_rqstp;
+ int priority;
if (test_and_set_bit(XPRT_LOCKED, &xprt->state)) {
if (task == xprt->snd_task)
return 1;
goto out_sleep;
}
+ if (req == NULL) {
+ xprt->snd_task = task;
+ return 1;
+ }
if (__xprt_get_cong(xprt, task)) {
xprt->snd_task = task;
- if (req) {
- req->rq_bytes_sent = 0;
- req->rq_ntrans++;
- }
+ req->rq_bytes_sent = 0;
+ req->rq_ntrans++;
return 1;
}
xprt_clear_locked(xprt);
@@ -262,10 +271,13 @@ out_sleep:
dprintk("RPC: %5u failed to lock transport %p\n", task->tk_pid, xprt);
task->tk_timeout = 0;
task->tk_status = -EAGAIN;
- if (req && req->rq_ntrans)
- rpc_sleep_on(&xprt->resend, task, NULL);
+ if (req == NULL)
+ priority = RPC_PRIORITY_LOW;
+ else if (!req->rq_ntrans)
+ priority = RPC_PRIORITY_NORMAL;
else
- rpc_sleep_on(&xprt->sending, task, NULL);
+ priority = RPC_PRIORITY_HIGH;
+ rpc_sleep_on_priority(&xprt->sending, task, NULL, priority);
return 0;
}
EXPORT_SYMBOL_GPL(xprt_reserve_xprt_cong);
@@ -275,7 +287,7 @@ static inline int xprt_lock_write(struct rpc_xprt *xprt, struct rpc_task *task)
int retval;
spin_lock_bh(&xprt->transport_lock);
- retval = xprt->ops->reserve_xprt(task);
+ retval = xprt->ops->reserve_xprt(xprt, task);
spin_unlock_bh(&xprt->transport_lock);
return retval;
}
@@ -288,12 +300,9 @@ static void __xprt_lock_write_next(struct rpc_xprt *xprt)
if (test_and_set_bit(XPRT_LOCKED, &xprt->state))
return;
- task = rpc_wake_up_next(&xprt->resend);
- if (!task) {
- task = rpc_wake_up_next(&xprt->sending);
- if (!task)
- goto out_unlock;
- }
+ task = rpc_wake_up_next(&xprt->sending);
+ if (task == NULL)
+ goto out_unlock;
req = task->tk_rqstp;
xprt->snd_task = task;
@@ -310,24 +319,25 @@ out_unlock:
static void __xprt_lock_write_next_cong(struct rpc_xprt *xprt)
{
struct rpc_task *task;
+ struct rpc_rqst *req;
if (test_and_set_bit(XPRT_LOCKED, &xprt->state))
return;
if (RPCXPRT_CONGESTED(xprt))
goto out_unlock;
- task = rpc_wake_up_next(&xprt->resend);
- if (!task) {
- task = rpc_wake_up_next(&xprt->sending);
- if (!task)
- goto out_unlock;
+ task = rpc_wake_up_next(&xprt->sending);
+ if (task == NULL)
+ goto out_unlock;
+
+ req = task->tk_rqstp;
+ if (req == NULL) {
+ xprt->snd_task = task;
+ return;
}
if (__xprt_get_cong(xprt, task)) {
- struct rpc_rqst *req = task->tk_rqstp;
xprt->snd_task = task;
- if (req) {
- req->rq_bytes_sent = 0;
- req->rq_ntrans++;
- }
+ req->rq_bytes_sent = 0;
+ req->rq_ntrans++;
return;
}
out_unlock:
@@ -852,7 +862,7 @@ int xprt_prepare_transmit(struct rpc_task *task)
err = req->rq_reply_bytes_recvd;
goto out_unlock;
}
- if (!xprt->ops->reserve_xprt(task))
+ if (!xprt->ops->reserve_xprt(xprt, task))
err = -EAGAIN;
out_unlock:
spin_unlock_bh(&xprt->transport_lock);
@@ -928,28 +938,66 @@ void xprt_transmit(struct rpc_task *task)
spin_unlock_bh(&xprt->transport_lock);
}
+static struct rpc_rqst *xprt_dynamic_alloc_slot(struct rpc_xprt *xprt, gfp_t gfp_flags)
+{
+ struct rpc_rqst *req = ERR_PTR(-EAGAIN);
+
+ if (!atomic_add_unless(&xprt->num_reqs, 1, xprt->max_reqs))
+ goto out;
+ req = kzalloc(sizeof(struct rpc_rqst), gfp_flags);
+ if (req != NULL)
+ goto out;
+ atomic_dec(&xprt->num_reqs);
+ req = ERR_PTR(-ENOMEM);
+out:
+ return req;
+}
+
+static bool xprt_dynamic_free_slot(struct rpc_xprt *xprt, struct rpc_rqst *req)
+{
+ if (atomic_add_unless(&xprt->num_reqs, -1, xprt->min_reqs)) {
+ kfree(req);
+ return true;
+ }
+ return false;
+}
+
static void xprt_alloc_slot(struct rpc_task *task)
{
struct rpc_xprt *xprt = task->tk_xprt;
+ struct rpc_rqst *req;
- task->tk_status = 0;
- if (task->tk_rqstp)
- return;
if (!list_empty(&xprt->free)) {
- struct rpc_rqst *req = list_entry(xprt->free.next, struct rpc_rqst, rq_list);
- list_del_init(&req->rq_list);
- task->tk_rqstp = req;
- xprt_request_init(task, xprt);
- return;
+ req = list_entry(xprt->free.next, struct rpc_rqst, rq_list);
+ list_del(&req->rq_list);
+ goto out_init_req;
+ }
+ req = xprt_dynamic_alloc_slot(xprt, GFP_NOWAIT);
+ if (!IS_ERR(req))
+ goto out_init_req;
+ switch (PTR_ERR(req)) {
+ case -ENOMEM:
+ rpc_delay(task, HZ >> 2);
+ dprintk("RPC: dynamic allocation of request slot "
+ "failed! Retrying\n");
+ break;
+ case -EAGAIN:
+ rpc_sleep_on(&xprt->backlog, task, NULL);
+ dprintk("RPC: waiting for request slot\n");
}
- dprintk("RPC: waiting for request slot\n");
task->tk_status = -EAGAIN;
- task->tk_timeout = 0;
- rpc_sleep_on(&xprt->backlog, task, NULL);
+ return;
+out_init_req:
+ task->tk_status = 0;
+ task->tk_rqstp = req;
+ xprt_request_init(task, xprt);
}
static void xprt_free_slot(struct rpc_xprt *xprt, struct rpc_rqst *req)
{
+ if (xprt_dynamic_free_slot(xprt, req))
+ return;
+
memset(req, 0, sizeof(*req)); /* mark unused */
spin_lock(&xprt->reserve_lock);
@@ -958,25 +1006,49 @@ static void xprt_free_slot(struct rpc_xprt *xprt, struct rpc_rqst *req)
spin_unlock(&xprt->reserve_lock);
}
-struct rpc_xprt *xprt_alloc(struct net *net, int size, int max_req)
+static void xprt_free_all_slots(struct rpc_xprt *xprt)
+{
+ struct rpc_rqst *req;
+ while (!list_empty(&xprt->free)) {
+ req = list_first_entry(&xprt->free, struct rpc_rqst, rq_list);
+ list_del(&req->rq_list);
+ kfree(req);
+ }
+}
+
+struct rpc_xprt *xprt_alloc(struct net *net, size_t size,
+ unsigned int num_prealloc,
+ unsigned int max_alloc)
{
struct rpc_xprt *xprt;
+ struct rpc_rqst *req;
+ int i;
xprt = kzalloc(size, GFP_KERNEL);
if (xprt == NULL)
goto out;
- atomic_set(&xprt->count, 1);
- xprt->max_reqs = max_req;
- xprt->slot = kcalloc(max_req, sizeof(struct rpc_rqst), GFP_KERNEL);
- if (xprt->slot == NULL)
+ xprt_init(xprt, net);
+
+ for (i = 0; i < num_prealloc; i++) {
+ req = kzalloc(sizeof(struct rpc_rqst), GFP_KERNEL);
+ if (!req)
+ break;
+ list_add(&req->rq_list, &xprt->free);
+ }
+ if (i < num_prealloc)
goto out_free;
+ if (max_alloc > num_prealloc)
+ xprt->max_reqs = max_alloc;
+ else
+ xprt->max_reqs = num_prealloc;
+ xprt->min_reqs = num_prealloc;
+ atomic_set(&xprt->num_reqs, num_prealloc);
- xprt->xprt_net = get_net(net);
return xprt;
out_free:
- kfree(xprt);
+ xprt_free(xprt);
out:
return NULL;
}
@@ -985,7 +1057,7 @@ EXPORT_SYMBOL_GPL(xprt_alloc);
void xprt_free(struct rpc_xprt *xprt)
{
put_net(xprt->xprt_net);
- kfree(xprt->slot);
+ xprt_free_all_slots(xprt);
kfree(xprt);
}
EXPORT_SYMBOL_GPL(xprt_free);
@@ -1001,10 +1073,24 @@ void xprt_reserve(struct rpc_task *task)
{
struct rpc_xprt *xprt = task->tk_xprt;
- task->tk_status = -EIO;
+ task->tk_status = 0;
+ if (task->tk_rqstp != NULL)
+ return;
+
+ /* Note: grabbing the xprt_lock_write() here is not strictly needed,
+ * but ensures that we throttle new slot allocation if the transport
+ * is congested (e.g. if reconnecting or if we're out of socket
+ * write buffer space).
+ */
+ task->tk_timeout = 0;
+ task->tk_status = -EAGAIN;
+ if (!xprt_lock_write(xprt, task))
+ return;
+
spin_lock(&xprt->reserve_lock);
xprt_alloc_slot(task);
spin_unlock(&xprt->reserve_lock);
+ xprt_release_write(xprt, task);
}
static inline __be32 xprt_alloc_xid(struct rpc_xprt *xprt)
@@ -1021,6 +1107,7 @@ static void xprt_request_init(struct rpc_task *task, struct rpc_xprt *xprt)
{
struct rpc_rqst *req = task->tk_rqstp;
+ INIT_LIST_HEAD(&req->rq_list);
req->rq_timeout = task->tk_client->cl_timeout->to_initval;
req->rq_task = task;
req->rq_xprt = xprt;
@@ -1073,6 +1160,34 @@ void xprt_release(struct rpc_task *task)
xprt_free_bc_request(req);
}
+static void xprt_init(struct rpc_xprt *xprt, struct net *net)
+{
+ atomic_set(&xprt->count, 1);
+
+ spin_lock_init(&xprt->transport_lock);
+ spin_lock_init(&xprt->reserve_lock);
+
+ INIT_LIST_HEAD(&xprt->free);
+ INIT_LIST_HEAD(&xprt->recv);
+#if defined(CONFIG_SUNRPC_BACKCHANNEL)
+ spin_lock_init(&xprt->bc_pa_lock);
+ INIT_LIST_HEAD(&xprt->bc_pa_list);
+#endif /* CONFIG_SUNRPC_BACKCHANNEL */
+
+ xprt->last_used = jiffies;
+ xprt->cwnd = RPC_INITCWND;
+ xprt->bind_index = 0;
+
+ rpc_init_wait_queue(&xprt->binding, "xprt_binding");
+ rpc_init_wait_queue(&xprt->pending, "xprt_pending");
+ rpc_init_priority_wait_queue(&xprt->sending, "xprt_sending");
+ rpc_init_priority_wait_queue(&xprt->backlog, "xprt_backlog");
+
+ xprt_init_xid(xprt);
+
+ xprt->xprt_net = get_net(net);
+}
+
/**
* xprt_create_transport - create an RPC transport
* @args: rpc transport creation arguments
@@ -1081,7 +1196,6 @@ void xprt_release(struct rpc_task *task)
struct rpc_xprt *xprt_create_transport(struct xprt_create *args)
{
struct rpc_xprt *xprt;
- struct rpc_rqst *req;
struct xprt_class *t;
spin_lock(&xprt_list_lock);
@@ -1100,46 +1214,17 @@ found:
if (IS_ERR(xprt)) {
dprintk("RPC: xprt_create_transport: failed, %ld\n",
-PTR_ERR(xprt));
- return xprt;
+ goto out;
}
- if (test_and_set_bit(XPRT_INITIALIZED, &xprt->state))
- /* ->setup returned a pre-initialized xprt: */
- return xprt;
-
- spin_lock_init(&xprt->transport_lock);
- spin_lock_init(&xprt->reserve_lock);
-
- INIT_LIST_HEAD(&xprt->free);
- INIT_LIST_HEAD(&xprt->recv);
-#if defined(CONFIG_NFS_V4_1)
- spin_lock_init(&xprt->bc_pa_lock);
- INIT_LIST_HEAD(&xprt->bc_pa_list);
-#endif /* CONFIG_NFS_V4_1 */
-
INIT_WORK(&xprt->task_cleanup, xprt_autoclose);
if (xprt_has_timer(xprt))
setup_timer(&xprt->timer, xprt_init_autodisconnect,
(unsigned long)xprt);
else
init_timer(&xprt->timer);
- xprt->last_used = jiffies;
- xprt->cwnd = RPC_INITCWND;
- xprt->bind_index = 0;
-
- rpc_init_wait_queue(&xprt->binding, "xprt_binding");
- rpc_init_wait_queue(&xprt->pending, "xprt_pending");
- rpc_init_wait_queue(&xprt->sending, "xprt_sending");
- rpc_init_wait_queue(&xprt->resend, "xprt_resend");
- rpc_init_priority_wait_queue(&xprt->backlog, "xprt_backlog");
-
- /* initialize free list */
- for (req = &xprt->slot[xprt->max_reqs-1]; req >= &xprt->slot[0]; req--)
- list_add(&req->rq_list, &xprt->free);
-
- xprt_init_xid(xprt);
-
dprintk("RPC: created transport %p with %u slots\n", xprt,
xprt->max_reqs);
+out:
return xprt;
}
@@ -1157,7 +1242,6 @@ static void xprt_destroy(struct rpc_xprt *xprt)
rpc_destroy_wait_queue(&xprt->binding);
rpc_destroy_wait_queue(&xprt->pending);
rpc_destroy_wait_queue(&xprt->sending);
- rpc_destroy_wait_queue(&xprt->resend);
rpc_destroy_wait_queue(&xprt->backlog);
cancel_work_sync(&xprt->task_cleanup);
/*
diff --git a/net/sunrpc/xprtrdma/transport.c b/net/sunrpc/xprtrdma/transport.c
index 0867070bb5c..b446e100286 100644
--- a/net/sunrpc/xprtrdma/transport.c
+++ b/net/sunrpc/xprtrdma/transport.c
@@ -283,6 +283,7 @@ xprt_setup_rdma(struct xprt_create *args)
}
xprt = xprt_alloc(args->net, sizeof(struct rpcrdma_xprt),
+ xprt_rdma_slot_table_entries,
xprt_rdma_slot_table_entries);
if (xprt == NULL) {
dprintk("RPC: %s: couldn't allocate rpcrdma_xprt\n",
@@ -452,9 +453,8 @@ xprt_rdma_connect(struct rpc_task *task)
}
static int
-xprt_rdma_reserve_xprt(struct rpc_task *task)
+xprt_rdma_reserve_xprt(struct rpc_xprt *xprt, struct rpc_task *task)
{
- struct rpc_xprt *xprt = task->tk_xprt;
struct rpcrdma_xprt *r_xprt = rpcx_to_rdmax(xprt);
int credits = atomic_read(&r_xprt->rx_buf.rb_credits);
@@ -466,7 +466,7 @@ xprt_rdma_reserve_xprt(struct rpc_task *task)
BUG_ON(r_xprt->rx_buf.rb_cwndscale <= 0);
}
xprt->cwnd = credits * r_xprt->rx_buf.rb_cwndscale;
- return xprt_reserve_xprt_cong(task);
+ return xprt_reserve_xprt_cong(xprt, task);
}
/*
diff --git a/net/sunrpc/xprtrdma/xprt_rdma.h b/net/sunrpc/xprtrdma/xprt_rdma.h
index cae761a8536..08c5d5a128f 100644
--- a/net/sunrpc/xprtrdma/xprt_rdma.h
+++ b/net/sunrpc/xprtrdma/xprt_rdma.h
@@ -42,7 +42,7 @@
#include <linux/wait.h> /* wait_queue_head_t, etc */
#include <linux/spinlock.h> /* spinlock_t, etc */
-#include <asm/atomic.h> /* atomic_t, etc */
+#include <linux/atomic.h> /* atomic_t, etc */
#include <rdma/rdma_cm.h> /* RDMA connection api */
#include <rdma/ib_verbs.h> /* RDMA verbs api */
@@ -109,7 +109,7 @@ struct rpcrdma_ep {
*/
/* temporary static scatter/gather max */
-#define RPCRDMA_MAX_DATA_SEGS (8) /* max scatter/gather */
+#define RPCRDMA_MAX_DATA_SEGS (64) /* max scatter/gather */
#define RPCRDMA_MAX_SEGS (RPCRDMA_MAX_DATA_SEGS + 2) /* head+tail = 2 */
#define MAX_RPCRDMAHDR (\
/* max supported RPC/RDMA header */ \
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index 72abb735893..d7f97ef2659 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -37,7 +37,7 @@
#include <linux/sunrpc/svcsock.h>
#include <linux/sunrpc/xprtsock.h>
#include <linux/file.h>
-#ifdef CONFIG_NFS_V4_1
+#ifdef CONFIG_SUNRPC_BACKCHANNEL
#include <linux/sunrpc/bc_xprt.h>
#endif
@@ -54,7 +54,8 @@ static void xs_close(struct rpc_xprt *xprt);
* xprtsock tunables
*/
unsigned int xprt_udp_slot_table_entries = RPC_DEF_SLOT_TABLE;
-unsigned int xprt_tcp_slot_table_entries = RPC_DEF_SLOT_TABLE;
+unsigned int xprt_tcp_slot_table_entries = RPC_MIN_SLOT_TABLE;
+unsigned int xprt_max_tcp_slot_table_entries = RPC_MAX_SLOT_TABLE;
unsigned int xprt_min_resvport = RPC_DEF_MIN_RESVPORT;
unsigned int xprt_max_resvport = RPC_DEF_MAX_RESVPORT;
@@ -75,6 +76,7 @@ static unsigned int xs_tcp_fin_timeout __read_mostly = XS_TCP_LINGER_TO;
static unsigned int min_slot_table_size = RPC_MIN_SLOT_TABLE;
static unsigned int max_slot_table_size = RPC_MAX_SLOT_TABLE;
+static unsigned int max_tcp_slot_table_limit = RPC_MAX_SLOT_TABLE_LIMIT;
static unsigned int xprt_min_resvport_limit = RPC_MIN_RESVPORT;
static unsigned int xprt_max_resvport_limit = RPC_MAX_RESVPORT;
@@ -104,6 +106,15 @@ static ctl_table xs_tunables_table[] = {
.extra2 = &max_slot_table_size
},
{
+ .procname = "tcp_max_slot_table_entries",
+ .data = &xprt_max_tcp_slot_table_entries,
+ .maxlen = sizeof(unsigned int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_minmax,
+ .extra1 = &min_slot_table_size,
+ .extra2 = &max_tcp_slot_table_limit
+ },
+ {
.procname = "min_resvport",
.data = &xprt_min_resvport,
.maxlen = sizeof(unsigned int),
@@ -755,6 +766,8 @@ static void xs_tcp_release_xprt(struct rpc_xprt *xprt, struct rpc_task *task)
if (task == NULL)
goto out_release;
req = task->tk_rqstp;
+ if (req == NULL)
+ goto out_release;
if (req->rq_bytes_sent == 0)
goto out_release;
if (req->rq_bytes_sent == req->rq_snd_buf.len)
@@ -1236,7 +1249,7 @@ static inline int xs_tcp_read_reply(struct rpc_xprt *xprt,
return 0;
}
-#if defined(CONFIG_NFS_V4_1)
+#if defined(CONFIG_SUNRPC_BACKCHANNEL)
/*
* Obtains an rpc_rqst previously allocated and invokes the common
* tcp read code to read the data. The result is placed in the callback
@@ -1299,7 +1312,7 @@ static inline int _xs_tcp_read_data(struct rpc_xprt *xprt,
{
return xs_tcp_read_reply(xprt, desc);
}
-#endif /* CONFIG_NFS_V4_1 */
+#endif /* CONFIG_SUNRPC_BACKCHANNEL */
/*
* Read data off the transport. This can be either an RPC_CALL or an
@@ -2489,7 +2502,8 @@ static int xs_init_anyaddr(const int family, struct sockaddr *sap)
}
static struct rpc_xprt *xs_setup_xprt(struct xprt_create *args,
- unsigned int slot_table_size)
+ unsigned int slot_table_size,
+ unsigned int max_slot_table_size)
{
struct rpc_xprt *xprt;
struct sock_xprt *new;
@@ -2499,7 +2513,8 @@ static struct rpc_xprt *xs_setup_xprt(struct xprt_create *args,
return ERR_PTR(-EBADF);
}
- xprt = xprt_alloc(args->net, sizeof(*new), slot_table_size);
+ xprt = xprt_alloc(args->net, sizeof(*new), slot_table_size,
+ max_slot_table_size);
if (xprt == NULL) {
dprintk("RPC: xs_setup_xprt: couldn't allocate "
"rpc_xprt\n");
@@ -2541,7 +2556,8 @@ static struct rpc_xprt *xs_setup_local(struct xprt_create *args)
struct rpc_xprt *xprt;
struct rpc_xprt *ret;
- xprt = xs_setup_xprt(args, xprt_tcp_slot_table_entries);
+ xprt = xs_setup_xprt(args, xprt_tcp_slot_table_entries,
+ xprt_max_tcp_slot_table_entries);
if (IS_ERR(xprt))
return xprt;
transport = container_of(xprt, struct sock_xprt, xprt);
@@ -2605,7 +2621,8 @@ static struct rpc_xprt *xs_setup_udp(struct xprt_create *args)
struct sock_xprt *transport;
struct rpc_xprt *ret;
- xprt = xs_setup_xprt(args, xprt_udp_slot_table_entries);
+ xprt = xs_setup_xprt(args, xprt_udp_slot_table_entries,
+ xprt_udp_slot_table_entries);
if (IS_ERR(xprt))
return xprt;
transport = container_of(xprt, struct sock_xprt, xprt);
@@ -2681,7 +2698,8 @@ static struct rpc_xprt *xs_setup_tcp(struct xprt_create *args)
struct sock_xprt *transport;
struct rpc_xprt *ret;
- xprt = xs_setup_xprt(args, xprt_tcp_slot_table_entries);
+ xprt = xs_setup_xprt(args, xprt_tcp_slot_table_entries,
+ xprt_max_tcp_slot_table_entries);
if (IS_ERR(xprt))
return xprt;
transport = container_of(xprt, struct sock_xprt, xprt);
@@ -2760,7 +2778,8 @@ static struct rpc_xprt *xs_setup_bc_tcp(struct xprt_create *args)
*/
return args->bc_xprt->xpt_bc_xprt;
}
- xprt = xs_setup_xprt(args, xprt_tcp_slot_table_entries);
+ xprt = xs_setup_xprt(args, xprt_tcp_slot_table_entries,
+ xprt_tcp_slot_table_entries);
if (IS_ERR(xprt))
return xprt;
transport = container_of(xprt, struct sock_xprt, xprt);
@@ -2947,8 +2966,26 @@ static struct kernel_param_ops param_ops_slot_table_size = {
#define param_check_slot_table_size(name, p) \
__param_check(name, p, unsigned int);
+static int param_set_max_slot_table_size(const char *val,
+ const struct kernel_param *kp)
+{
+ return param_set_uint_minmax(val, kp,
+ RPC_MIN_SLOT_TABLE,
+ RPC_MAX_SLOT_TABLE_LIMIT);
+}
+
+static struct kernel_param_ops param_ops_max_slot_table_size = {
+ .set = param_set_max_slot_table_size,
+ .get = param_get_uint,
+};
+
+#define param_check_max_slot_table_size(name, p) \
+ __param_check(name, p, unsigned int);
+
module_param_named(tcp_slot_table_entries, xprt_tcp_slot_table_entries,
slot_table_size, 0644);
+module_param_named(tcp_max_slot_table_entries, xprt_max_tcp_slot_table_entries,
+ max_slot_table_size, 0644);
module_param_named(udp_slot_table_entries, xprt_udp_slot_table_entries,
slot_table_size, 0644);
diff --git a/net/tipc/core.h b/net/tipc/core.h
index d234a98a460..2761af36d14 100644
--- a/net/tipc/core.h
+++ b/net/tipc/core.h
@@ -47,7 +47,7 @@
#include <linux/string.h>
#include <asm/uaccess.h>
#include <linux/interrupt.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
#include <asm/hardirq.h>
#include <linux/netdevice.h>
#include <linux/in.h>
diff --git a/net/wireless/core.c b/net/wireless/core.c
index 880dbe2e6f9..c14865172da 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -488,6 +488,10 @@ int wiphy_register(struct wiphy *wiphy)
int i;
u16 ifmodes = wiphy->interface_modes;
+ if (WARN_ON((wiphy->wowlan.flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) &&
+ !(wiphy->wowlan.flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY)))
+ return -EINVAL;
+
if (WARN_ON(wiphy->addresses && !wiphy->n_addresses))
return -EINVAL;
@@ -612,6 +616,9 @@ int wiphy_register(struct wiphy *wiphy)
if (res)
goto out_rm_dev;
+ rtnl_lock();
+ rdev->wiphy.registered = true;
+ rtnl_unlock();
return 0;
out_rm_dev:
@@ -643,6 +650,10 @@ void wiphy_unregister(struct wiphy *wiphy)
{
struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+ rtnl_lock();
+ rdev->wiphy.registered = false;
+ rtnl_unlock();
+
rfkill_unregister(rdev->rfkill);
/* protect the device list */
@@ -918,7 +929,8 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
* Configure power management to the driver here so that its
* correctly set also after interface type changes etc.
*/
- if (wdev->iftype == NL80211_IFTYPE_STATION &&
+ if ((wdev->iftype == NL80211_IFTYPE_STATION ||
+ wdev->iftype == NL80211_IFTYPE_P2P_CLIENT) &&
rdev->ops->set_power_mgmt)
if (rdev->ops->set_power_mgmt(wdev->wiphy, dev,
wdev->ps,
diff --git a/net/wireless/core.h b/net/wireless/core.h
index a570ff9214e..8672e028022 100644
--- a/net/wireless/core.h
+++ b/net/wireless/core.h
@@ -447,6 +447,10 @@ int cfg80211_set_freq(struct cfg80211_registered_device *rdev,
u16 cfg80211_calculate_bitrate(struct rate_info *rate);
+int ieee80211_get_ratemask(struct ieee80211_supported_band *sband,
+ const u8 *rates, unsigned int n_rates,
+ u32 *mask);
+
int cfg80211_validate_beacon_int(struct cfg80211_registered_device *rdev,
u32 beacon_int);
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 6a82c898f83..ea40d540a99 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -177,6 +177,7 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = {
[NL80211_ATTR_STA_PLINK_STATE] = { .type = NLA_U8 },
[NL80211_ATTR_SCHED_SCAN_INTERVAL] = { .type = NLA_U32 },
[NL80211_ATTR_REKEY_DATA] = { .type = NLA_NESTED },
+ [NL80211_ATTR_SCAN_SUPP_RATES] = { .type = NLA_NESTED },
};
/* policy for the key attributes */
@@ -205,6 +206,10 @@ nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = {
[NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG },
[NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG },
[NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED },
+ [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG },
+ [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG },
+ [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG },
+ [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG },
};
/* policy for GTK rekey offload attributes */
@@ -692,8 +697,12 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
dev->wiphy.coverage_class);
NLA_PUT_U8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS,
dev->wiphy.max_scan_ssids);
+ NLA_PUT_U8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS,
+ dev->wiphy.max_sched_scan_ssids);
NLA_PUT_U16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN,
dev->wiphy.max_scan_ie_len);
+ NLA_PUT_U16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN,
+ dev->wiphy.max_sched_scan_ie_len);
if (dev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)
NLA_PUT_FLAG(msg, NL80211_ATTR_SUPPORT_IBSS_RSN);
@@ -929,6 +938,16 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_DISCONNECT);
if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_MAGIC_PKT)
NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT);
+ if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY)
+ NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED);
+ if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE)
+ NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE);
+ if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ)
+ NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST);
+ if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_4WAY_HANDSHAKE)
+ NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE);
+ if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_RFKILL_RELEASE)
+ NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE);
if (dev->wiphy.wowlan.n_patterns) {
struct nl80211_wowlan_pattern_support pat = {
.max_patterns = dev->wiphy.wowlan.n_patterns,
@@ -3306,7 +3325,6 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
struct nlattr *attr;
struct wiphy *wiphy;
int err, tmp, n_ssids = 0, n_channels, i;
- enum ieee80211_band band;
size_t ie_len;
if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
@@ -3326,6 +3344,7 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
if (!n_channels)
return -EINVAL;
} else {
+ enum ieee80211_band band;
n_channels = 0;
for (band = 0; band < IEEE80211_NUM_BANDS; band++)
@@ -3386,6 +3405,8 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
i++;
}
} else {
+ enum ieee80211_band band;
+
/* all channels */
for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
int j;
@@ -3432,6 +3453,30 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
request->ie_len);
}
+ for (i = 0; i < IEEE80211_NUM_BANDS; i++)
+ if (wiphy->bands[i])
+ request->rates[i] =
+ (1 << wiphy->bands[i]->n_bitrates) - 1;
+
+ if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) {
+ nla_for_each_nested(attr,
+ info->attrs[NL80211_ATTR_SCAN_SUPP_RATES],
+ tmp) {
+ enum ieee80211_band band = nla_type(attr);
+
+ if (band < 0 || band >= IEEE80211_NUM_BANDS) {
+ err = -EINVAL;
+ goto out_free;
+ }
+ err = ieee80211_get_ratemask(wiphy->bands[band],
+ nla_data(attr),
+ nla_len(attr),
+ &request->rates[band]);
+ if (err)
+ goto out_free;
+ }
+ }
+
request->dev = dev;
request->wiphy = &rdev->wiphy;
@@ -3497,7 +3542,7 @@ static int nl80211_start_sched_scan(struct sk_buff *skb,
tmp)
n_ssids++;
- if (n_ssids > wiphy->max_scan_ssids)
+ if (n_ssids > wiphy->max_sched_scan_ssids)
return -EINVAL;
if (info->attrs[NL80211_ATTR_IE])
@@ -3505,7 +3550,7 @@ static int nl80211_start_sched_scan(struct sk_buff *skb,
else
ie_len = 0;
- if (ie_len > wiphy->max_scan_ie_len)
+ if (ie_len > wiphy->max_sched_scan_ie_len)
return -EINVAL;
mutex_lock(&rdev->sched_scan_mtx);
@@ -4068,9 +4113,12 @@ static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
if (len % sizeof(u32))
return -EINVAL;
+ if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES)
+ return -EINVAL;
+
memcpy(settings->akm_suites, data, len);
- for (i = 0; i < settings->n_ciphers_pairwise; i++)
+ for (i = 0; i < settings->n_akm_suites; i++)
if (!nl80211_valid_akm_suite(settings->akm_suites[i]))
return -EINVAL;
}
@@ -4318,25 +4366,12 @@ static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
struct ieee80211_supported_band *sband =
wiphy->bands[ibss.channel->band];
- int i, j;
-
- if (n_rates == 0)
- return -EINVAL;
+ int err;
- for (i = 0; i < n_rates; i++) {
- int rate = (rates[i] & 0x7f) * 5;
- bool found = false;
-
- for (j = 0; j < sband->n_bitrates; j++) {
- if (sband->bitrates[j].bitrate == rate) {
- found = true;
- ibss.basic_rates |= BIT(j);
- break;
- }
- }
- if (!found)
- return -EINVAL;
- }
+ err = ieee80211_get_ratemask(sband, rates, n_rates,
+ &ibss.basic_rates);
+ if (err)
+ return err;
}
if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
@@ -5272,6 +5307,14 @@ static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info)
NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_DISCONNECT);
if (rdev->wowlan->magic_pkt)
NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT);
+ if (rdev->wowlan->gtk_rekey_failure)
+ NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE);
+ if (rdev->wowlan->eap_identity_req)
+ NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST);
+ if (rdev->wowlan->four_way_handshake)
+ NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE);
+ if (rdev->wowlan->rfkill_release)
+ NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE);
if (rdev->wowlan->n_patterns) {
struct nlattr *nl_pats, *nl_pat;
int i, pat_len;
@@ -5348,6 +5391,33 @@ static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
new_triggers.magic_pkt = true;
}
+ if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED])
+ return -EINVAL;
+
+ if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) {
+ if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE))
+ return -EINVAL;
+ new_triggers.gtk_rekey_failure = true;
+ }
+
+ if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) {
+ if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ))
+ return -EINVAL;
+ new_triggers.eap_identity_req = true;
+ }
+
+ if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) {
+ if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE))
+ return -EINVAL;
+ new_triggers.four_way_handshake = true;
+ }
+
+ if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) {
+ if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE))
+ return -EINVAL;
+ new_triggers.rfkill_release = true;
+ }
+
if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) {
struct nlattr *pat;
int n_patterns = 0;
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 1ad0f39fe09..68a471ba193 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -852,6 +852,7 @@ static void handle_channel(struct wiphy *wiphy,
return;
}
+ chan->beacon_found = false;
chan->flags = flags | bw_flags | map_regdom_flags(reg_rule->flags);
chan->max_antenna_gain = min(chan->orig_mag,
(int) MBI_TO_DBI(power_rule->max_antenna_gain));
@@ -903,7 +904,7 @@ static bool ignore_reg_update(struct wiphy *wiphy,
initiator != NL80211_REGDOM_SET_BY_COUNTRY_IE &&
!is_world_regdom(last_request->alpha2)) {
REG_DBG_PRINT("Ignoring regulatory request %s "
- "since the driver requires its own regulaotry "
+ "since the driver requires its own regulatory "
"domain to be set first",
reg_initiator_name(initiator));
return true;
@@ -1125,12 +1126,13 @@ void wiphy_update_regulatory(struct wiphy *wiphy,
enum ieee80211_band band;
if (ignore_reg_update(wiphy, initiator))
- goto out;
+ return;
+
for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
if (wiphy->bands[band])
handle_band(wiphy, band, initiator);
}
-out:
+
reg_process_beacons(wiphy);
reg_process_ht_flags(wiphy);
if (wiphy->reg_notifier)
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index 1c4672e3514..2936cb80915 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -862,6 +862,10 @@ int cfg80211_wext_siwscan(struct net_device *dev,
creq->n_ssids = 0;
}
+ for (i = 0; i < IEEE80211_NUM_BANDS; i++)
+ if (wiphy->bands[i])
+ creq->rates[i] = (1 << wiphy->bands[i]->n_bitrates) - 1;
+
rdev->scan_req = creq;
err = rdev->ops->scan(wiphy, dev, creq);
if (err) {
diff --git a/net/wireless/sme.c b/net/wireless/sme.c
index b7b6ff8be55..dec0fa28372 100644
--- a/net/wireless/sme.c
+++ b/net/wireless/sme.c
@@ -118,6 +118,8 @@ static int cfg80211_conn_scan(struct wireless_dev *wdev)
i++, j++)
request->channels[i] =
&wdev->wiphy->bands[band]->channels[j];
+ request->rates[band] =
+ (1 << wdev->wiphy->bands[band]->n_bitrates) - 1;
}
}
request->n_channels = n_channels;
diff --git a/net/wireless/sysfs.c b/net/wireless/sysfs.c
index c6e4ca6a7d2..ff574597a85 100644
--- a/net/wireless/sysfs.c
+++ b/net/wireless/sysfs.c
@@ -93,7 +93,8 @@ static int wiphy_suspend(struct device *dev, pm_message_t state)
if (rdev->ops->suspend) {
rtnl_lock();
- ret = rdev->ops->suspend(&rdev->wiphy, rdev->wowlan);
+ if (rdev->wiphy.registered)
+ ret = rdev->ops->suspend(&rdev->wiphy, rdev->wowlan);
rtnl_unlock();
}
@@ -112,7 +113,8 @@ static int wiphy_resume(struct device *dev)
if (rdev->ops->resume) {
rtnl_lock();
- ret = rdev->ops->resume(&rdev->wiphy);
+ if (rdev->wiphy.registered)
+ ret = rdev->ops->resume(&rdev->wiphy);
rtnl_unlock();
}
diff --git a/net/wireless/util.c b/net/wireless/util.c
index 4d7b83fbc32..be75a3a0424 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -1006,3 +1006,41 @@ int cfg80211_can_change_interface(struct cfg80211_registered_device *rdev,
return -EBUSY;
}
+
+int ieee80211_get_ratemask(struct ieee80211_supported_band *sband,
+ const u8 *rates, unsigned int n_rates,
+ u32 *mask)
+{
+ int i, j;
+
+ if (!sband)
+ return -EINVAL;
+
+ if (n_rates == 0 || n_rates > NL80211_MAX_SUPP_RATES)
+ return -EINVAL;
+
+ *mask = 0;
+
+ for (i = 0; i < n_rates; i++) {
+ int rate = (rates[i] & 0x7f) * 5;
+ bool found = false;
+
+ for (j = 0; j < sband->n_bitrates; j++) {
+ if (sband->bitrates[j].bitrate == rate) {
+ found = true;
+ *mask |= BIT(j);
+ break;
+ }
+ }
+ if (!found)
+ return -EINVAL;
+ }
+
+ /*
+ * mask must have at least one bit set here since we
+ * didn't accept a 0-length rates array nor allowed
+ * entries in the array that didn't exist
+ */
+
+ return 0;
+}
diff --git a/net/xfrm/xfrm_algo.c b/net/xfrm/xfrm_algo.c
index 58064d9e565..791ab2e77f3 100644
--- a/net/xfrm/xfrm_algo.c
+++ b/net/xfrm/xfrm_algo.c
@@ -462,8 +462,8 @@ static struct xfrm_algo_desc ealg_list[] = {
.desc = {
.sadb_alg_id = SADB_X_EALG_AESCTR,
.sadb_alg_ivlen = 8,
- .sadb_alg_minbits = 128,
- .sadb_alg_maxbits = 256
+ .sadb_alg_minbits = 160,
+ .sadb_alg_maxbits = 288
}
},
};
diff --git a/net/xfrm/xfrm_input.c b/net/xfrm/xfrm_input.c
index a026b0ef244..54a0dc2e2f8 100644
--- a/net/xfrm/xfrm_input.c
+++ b/net/xfrm/xfrm_input.c
@@ -212,6 +212,11 @@ resume:
/* only the first xfrm gets the encap type */
encap_type = 0;
+ if (async && x->repl->check(x, skb, seq)) {
+ XFRM_INC_STATS(net, LINUX_MIB_XFRMINSTATESEQERROR);
+ goto drop_unlock;
+ }
+
x->repl->advance(x, seq);
x->curlft.bytes += skb->len;
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 94fdcc7f103..552df27dcf5 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -1349,14 +1349,16 @@ static inline struct xfrm_dst *xfrm_alloc_dst(struct net *net, int family)
BUG();
}
xdst = dst_alloc(dst_ops, NULL, 0, 0, 0);
- memset(&xdst->u.rt6.rt6i_table, 0, sizeof(*xdst) - sizeof(struct dst_entry));
- xfrm_policy_put_afinfo(afinfo);
- if (likely(xdst))
+ if (likely(xdst)) {
+ memset(&xdst->u.rt6.rt6i_table, 0,
+ sizeof(*xdst) - sizeof(struct dst_entry));
xdst->flo.ops = &xfrm_bundle_fc_ops;
- else
+ } else
xdst = ERR_PTR(-ENOBUFS);
+ xfrm_policy_put_afinfo(afinfo);
+
return xdst;
}