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-rw-r--r--net/bluetooth/hci_core.c2
-rw-r--r--net/bluetooth/hci_event.c4
-rw-r--r--net/bluetooth/lib.c25
-rw-r--r--net/bluetooth/rfcomm/core.c4
-rw-r--r--net/core/dev.c3
-rw-r--r--net/core/dst.c15
-rw-r--r--net/core/pktgen.c2
-rw-r--r--net/core/sock.c13
-rw-r--r--net/core/utils.c37
-rw-r--r--net/ipv4/Kconfig2
-rw-r--r--net/ipv4/Makefile2
-rw-r--r--net/ipv4/fib_semantics.c9
-rw-r--r--net/ipv4/icmp.c3
-rw-r--r--net/ipv4/ip_fragment.c8
-rw-r--r--net/ipv4/ip_gre.c21
-rw-r--r--net/ipv4/ip_sockglue.c3
-rw-r--r--net/ipv4/ipip.c20
-rw-r--r--net/ipv4/ipmr.c6
-rw-r--r--net/ipv4/netfilter/ip_conntrack_core.c7
-rw-r--r--net/ipv4/netfilter/ip_nat_standalone.c4
-rw-r--r--net/ipv4/tcp_ipv4.c14
-rw-r--r--net/ipv4/tcp_output.c86
-rw-r--r--net/ipv4/udp.c34
-rw-r--r--net/ipv4/utils.c59
-rw-r--r--net/ipv6/ip6_output.c7
-rw-r--r--net/ipv6/ipv6_sockglue.c3
-rw-r--r--net/ipv6/sit.c21
27 files changed, 205 insertions, 209 deletions
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index fb5524365bc..ffa26c10bfe 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -299,7 +299,6 @@ struct hci_dev *hci_dev_get(int index)
read_unlock(&hci_dev_list_lock);
return hdev;
}
-EXPORT_SYMBOL(hci_dev_get);
/* ---- Inquiry support ---- */
static void inquiry_cache_flush(struct hci_dev *hdev)
@@ -1042,7 +1041,6 @@ int hci_send_cmd(struct hci_dev *hdev, __u16 ogf, __u16 ocf, __u32 plen, void *p
return 0;
}
-EXPORT_SYMBOL(hci_send_cmd);
/* Get data from the previously sent command */
void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 ogf, __u16 ocf)
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index c4b592b4ef1..46367bd129c 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -1035,9 +1035,11 @@ void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data)
ev->type = type;
memcpy(ev->data, data, dlen);
+ bt_cb(skb)->incoming = 1;
+ do_gettimeofday(&skb->stamp);
+
skb->pkt_type = HCI_EVENT_PKT;
skb->dev = (void *) hdev;
hci_send_to_sock(hdev, skb);
kfree_skb(skb);
}
-EXPORT_SYMBOL(hci_si_event);
diff --git a/net/bluetooth/lib.c b/net/bluetooth/lib.c
index 9efb0a09361..ee6a6697991 100644
--- a/net/bluetooth/lib.c
+++ b/net/bluetooth/lib.c
@@ -34,31 +34,6 @@
#include <net/bluetooth/bluetooth.h>
-void bt_dump(char *pref, __u8 *buf, int count)
-{
- char *ptr;
- char line[100];
- unsigned int i;
-
- printk(KERN_INFO "%s: dump, len %d\n", pref, count);
-
- ptr = line;
- *ptr = 0;
- for (i = 0; i < count; i++) {
- ptr += sprintf(ptr, " %2.2X", buf[i]);
-
- if (i && !((i + 1) % 20)) {
- printk(KERN_INFO "%s:%s\n", pref, line);
- ptr = line;
- *ptr = 0;
- }
- }
-
- if (line[0])
- printk(KERN_INFO "%s:%s\n", pref, line);
-}
-EXPORT_SYMBOL(bt_dump);
-
void baswap(bdaddr_t *dst, bdaddr_t *src)
{
unsigned char *d = (unsigned char *) dst;
diff --git a/net/bluetooth/rfcomm/core.c b/net/bluetooth/rfcomm/core.c
index e9e6fda66f1..27bf5047cd3 100644
--- a/net/bluetooth/rfcomm/core.c
+++ b/net/bluetooth/rfcomm/core.c
@@ -389,8 +389,6 @@ static int __rfcomm_dlc_close(struct rfcomm_dlc *d, int err)
rfcomm_dlc_unlock(d);
skb_queue_purge(&d->tx_queue);
- rfcomm_session_put(s);
-
rfcomm_dlc_unlink(d);
}
@@ -600,8 +598,6 @@ static struct rfcomm_session *rfcomm_session_create(bdaddr_t *src, bdaddr_t *dst
goto failed;
}
- rfcomm_session_hold(s);
-
s->initiator = 1;
bacpy(&addr.l2_bdaddr, dst);
diff --git a/net/core/dev.c b/net/core/dev.c
index ff9dc029233..52a3bf7ae17 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -901,8 +901,7 @@ int dev_close(struct net_device *dev)
smp_mb__after_clear_bit(); /* Commit netif_running(). */
while (test_bit(__LINK_STATE_RX_SCHED, &dev->state)) {
/* No hurry. */
- current->state = TASK_INTERRUPTIBLE;
- schedule_timeout(1);
+ msleep(1);
}
/*
diff --git a/net/core/dst.c b/net/core/dst.c
index fc434ade527..334790da9f1 100644
--- a/net/core/dst.c
+++ b/net/core/dst.c
@@ -45,6 +45,7 @@ static struct timer_list dst_gc_timer =
static void dst_run_gc(unsigned long dummy)
{
int delayed = 0;
+ int work_performed;
struct dst_entry * dst, **dstp;
if (!spin_trylock(&dst_lock)) {
@@ -52,9 +53,9 @@ static void dst_run_gc(unsigned long dummy)
return;
}
-
del_timer(&dst_gc_timer);
dstp = &dst_garbage_list;
+ work_performed = 0;
while ((dst = *dstp) != NULL) {
if (atomic_read(&dst->__refcnt)) {
dstp = &dst->next;
@@ -62,6 +63,7 @@ static void dst_run_gc(unsigned long dummy)
continue;
}
*dstp = dst->next;
+ work_performed = 1;
dst = dst_destroy(dst);
if (dst) {
@@ -86,9 +88,14 @@ static void dst_run_gc(unsigned long dummy)
dst_gc_timer_inc = DST_GC_MAX;
goto out;
}
- if ((dst_gc_timer_expires += dst_gc_timer_inc) > DST_GC_MAX)
- dst_gc_timer_expires = DST_GC_MAX;
- dst_gc_timer_inc += DST_GC_INC;
+ if (!work_performed) {
+ if ((dst_gc_timer_expires += dst_gc_timer_inc) > DST_GC_MAX)
+ dst_gc_timer_expires = DST_GC_MAX;
+ dst_gc_timer_inc += DST_GC_INC;
+ } else {
+ dst_gc_timer_inc = DST_GC_INC;
+ dst_gc_timer_expires = DST_GC_MIN;
+ }
dst_gc_timer.expires = jiffies + dst_gc_timer_expires;
#if RT_CACHE_DEBUG >= 2
printk("dst_total: %d/%d %ld\n",
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index 975d651312d..8eb083b6041 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -363,7 +363,7 @@ struct pktgen_thread {
* All Rights Reserved.
*
*/
-inline static s64 divremdi3(s64 x, s64 y, int type)
+static inline s64 divremdi3(s64 x, s64 y, int type)
{
u64 a = (x < 0) ? -x : x;
u64 b = (y < 0) ? -y : y;
diff --git a/net/core/sock.c b/net/core/sock.c
index 8b35ccdc2b3..12f6d9a2a52 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -206,13 +206,14 @@ int sock_setsockopt(struct socket *sock, int level, int optname,
*/
#ifdef SO_DONTLINGER /* Compatibility item... */
- switch (optname) {
- case SO_DONTLINGER:
- sock_reset_flag(sk, SOCK_LINGER);
- return 0;
+ if (optname == SO_DONTLINGER) {
+ lock_sock(sk);
+ sock_reset_flag(sk, SOCK_LINGER);
+ release_sock(sk);
+ return 0;
}
-#endif
-
+#endif
+
if(optlen<sizeof(int))
return(-EINVAL);
diff --git a/net/core/utils.c b/net/core/utils.c
index e11a8654f36..88eb8b68e26 100644
--- a/net/core/utils.c
+++ b/net/core/utils.c
@@ -23,10 +23,10 @@
#include <linux/percpu.h>
#include <linux/init.h>
+#include <asm/byteorder.h>
#include <asm/system.h>
#include <asm/uaccess.h>
-
/*
This is a maximally equidistributed combined Tausworthe generator
based on code from GNU Scientific Library 1.5 (30 Jun 2004)
@@ -153,3 +153,38 @@ int net_ratelimit(void)
EXPORT_SYMBOL(net_random);
EXPORT_SYMBOL(net_ratelimit);
EXPORT_SYMBOL(net_srandom);
+
+/*
+ * Convert an ASCII string to binary IP.
+ * This is outside of net/ipv4/ because various code that uses IP addresses
+ * is otherwise not dependent on the TCP/IP stack.
+ */
+
+__u32 in_aton(const char *str)
+{
+ unsigned long l;
+ unsigned int val;
+ int i;
+
+ l = 0;
+ for (i = 0; i < 4; i++)
+ {
+ l <<= 8;
+ if (*str != '\0')
+ {
+ val = 0;
+ while (*str != '\0' && *str != '.')
+ {
+ val *= 10;
+ val += *str - '0';
+ str++;
+ }
+ l |= val;
+ if (*str != '\0')
+ str++;
+ }
+ }
+ return(htonl(l));
+}
+
+EXPORT_SYMBOL(in_aton);
diff --git a/net/ipv4/Kconfig b/net/ipv4/Kconfig
index fc561c0ae8e..0b3d9f1d806 100644
--- a/net/ipv4/Kconfig
+++ b/net/ipv4/Kconfig
@@ -124,7 +124,7 @@ config IP_ROUTE_MULTIPATH
config IP_ROUTE_MULTIPATH_CACHED
bool "IP: equal cost multipath with caching support (EXPERIMENTAL)"
- depends on: IP_ROUTE_MULTIPATH
+ depends on IP_ROUTE_MULTIPATH
help
Normally, equal cost multipath routing is not supported by the
routing cache. If you say Y here, alternative routes are cached
diff --git a/net/ipv4/Makefile b/net/ipv4/Makefile
index 5718cdb3a61..55dc6cca1e7 100644
--- a/net/ipv4/Makefile
+++ b/net/ipv4/Makefile
@@ -2,7 +2,7 @@
# Makefile for the Linux TCP/IP (INET) layer.
#
-obj-y := utils.o route.o inetpeer.o protocol.o \
+obj-y := route.o inetpeer.o protocol.o \
ip_input.o ip_fragment.o ip_forward.o ip_options.o \
ip_output.o ip_sockglue.o \
tcp.o tcp_input.o tcp_output.o tcp_timer.o tcp_ipv4.o \
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index c886b28ba9f..e278cb9d007 100644
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c
@@ -593,10 +593,13 @@ static void fib_hash_move(struct hlist_head *new_info_hash,
struct hlist_head *new_laddrhash,
unsigned int new_size)
{
+ struct hlist_head *old_info_hash, *old_laddrhash;
unsigned int old_size = fib_hash_size;
- unsigned int i;
+ unsigned int i, bytes;
write_lock(&fib_info_lock);
+ old_info_hash = fib_info_hash;
+ old_laddrhash = fib_info_laddrhash;
fib_hash_size = new_size;
for (i = 0; i < old_size; i++) {
@@ -636,6 +639,10 @@ static void fib_hash_move(struct hlist_head *new_info_hash,
fib_info_laddrhash = new_laddrhash;
write_unlock(&fib_info_lock);
+
+ bytes = old_size * sizeof(struct hlist_head *);
+ fib_hash_free(old_info_hash, bytes);
+ fib_hash_free(old_laddrhash, bytes);
}
struct fib_info *
diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c
index 279f57abfec..3d78464f64e 100644
--- a/net/ipv4/icmp.c
+++ b/net/ipv4/icmp.c
@@ -936,8 +936,7 @@ int icmp_rcv(struct sk_buff *skb)
case CHECKSUM_HW:
if (!(u16)csum_fold(skb->csum))
break;
- NETDEBUG(if (net_ratelimit())
- printk(KERN_DEBUG "icmp v4 hw csum failure\n"));
+ LIMIT_NETDEBUG(printk(KERN_DEBUG "icmp v4 hw csum failure\n"));
case CHECKSUM_NONE:
if ((u16)csum_fold(skb_checksum(skb, 0, skb->len, 0)))
goto error;
diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c
index 7f68e27eb4e..eb377ae1530 100644
--- a/net/ipv4/ip_fragment.c
+++ b/net/ipv4/ip_fragment.c
@@ -377,7 +377,7 @@ static struct ipq *ip_frag_create(unsigned hash, struct iphdr *iph, u32 user)
return ip_frag_intern(hash, qp);
out_nomem:
- NETDEBUG(if (net_ratelimit()) printk(KERN_ERR "ip_frag_create: no memory left !\n"));
+ LIMIT_NETDEBUG(printk(KERN_ERR "ip_frag_create: no memory left !\n"));
return NULL;
}
@@ -625,10 +625,8 @@ static struct sk_buff *ip_frag_reasm(struct ipq *qp, struct net_device *dev)
return head;
out_nomem:
- NETDEBUG(if (net_ratelimit())
- printk(KERN_ERR
- "IP: queue_glue: no memory for gluing queue %p\n",
- qp));
+ LIMIT_NETDEBUG(printk(KERN_ERR "IP: queue_glue: no memory for gluing "
+ "queue %p\n", qp));
goto out_fail;
out_oversize:
if (net_ratelimit())
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 88483552222..f0d5740d7e2 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -290,7 +290,6 @@ static struct ip_tunnel * ipgre_tunnel_locate(struct ip_tunnel_parm *parms, int
dev_hold(dev);
ipgre_tunnel_link(nt);
- /* Do not decrement MOD_USE_COUNT here. */
return nt;
failed:
@@ -1277,12 +1276,28 @@ err1:
goto out;
}
-static void ipgre_fini(void)
+static void __exit ipgre_destroy_tunnels(void)
+{
+ int prio;
+
+ for (prio = 0; prio < 4; prio++) {
+ int h;
+ for (h = 0; h < HASH_SIZE; h++) {
+ struct ip_tunnel *t;
+ while ((t = tunnels[prio][h]) != NULL)
+ unregister_netdevice(t->dev);
+ }
+ }
+}
+
+static void __exit ipgre_fini(void)
{
if (inet_del_protocol(&ipgre_protocol, IPPROTO_GRE) < 0)
printk(KERN_INFO "ipgre close: can't remove protocol\n");
- unregister_netdev(ipgre_fb_tunnel_dev);
+ rtnl_lock();
+ ipgre_destroy_tunnels();
+ rtnl_unlock();
}
module_init(ipgre_init);
diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c
index fc7c481d0d7..ff4bd067b39 100644
--- a/net/ipv4/ip_sockglue.c
+++ b/net/ipv4/ip_sockglue.c
@@ -848,6 +848,9 @@ mc_msf_out:
case IP_IPSEC_POLICY:
case IP_XFRM_POLICY:
+ err = -EPERM;
+ if (!capable(CAP_NET_ADMIN))
+ break;
err = xfrm_user_policy(sk, optname, optval, optlen);
break;
diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c
index c3947cd566b..c05c1df0bb0 100644
--- a/net/ipv4/ipip.c
+++ b/net/ipv4/ipip.c
@@ -255,7 +255,6 @@ static struct ip_tunnel * ipip_tunnel_locate(struct ip_tunnel_parm *parms, int c
dev_hold(dev);
ipip_tunnel_link(nt);
- /* Do not decrement MOD_USE_COUNT here. */
return nt;
failed:
@@ -920,12 +919,29 @@ static int __init ipip_init(void)
goto out;
}
+static void __exit ipip_destroy_tunnels(void)
+{
+ int prio;
+
+ for (prio = 1; prio < 4; prio++) {
+ int h;
+ for (h = 0; h < HASH_SIZE; h++) {
+ struct ip_tunnel *t;
+ while ((t = tunnels[prio][h]) != NULL)
+ unregister_netdevice(t->dev);
+ }
+ }
+}
+
static void __exit ipip_fini(void)
{
if (ipip_unregister() < 0)
printk(KERN_INFO "ipip close: can't deregister tunnel\n");
- unregister_netdev(ipip_fb_tunnel_dev);
+ rtnl_lock();
+ ipip_destroy_tunnels();
+ unregister_netdevice(ipip_fb_tunnel_dev);
+ rtnl_unlock();
}
module_init(ipip_init);
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 7833d920bdb..dc806b57842 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -362,7 +362,7 @@ out:
/* Fill oifs list. It is called under write locked mrt_lock. */
-static void ipmr_update_threshoulds(struct mfc_cache *cache, unsigned char *ttls)
+static void ipmr_update_thresholds(struct mfc_cache *cache, unsigned char *ttls)
{
int vifi;
@@ -727,7 +727,7 @@ static int ipmr_mfc_add(struct mfcctl *mfc, int mrtsock)
if (c != NULL) {
write_lock_bh(&mrt_lock);
c->mfc_parent = mfc->mfcc_parent;
- ipmr_update_threshoulds(c, mfc->mfcc_ttls);
+ ipmr_update_thresholds(c, mfc->mfcc_ttls);
if (!mrtsock)
c->mfc_flags |= MFC_STATIC;
write_unlock_bh(&mrt_lock);
@@ -744,7 +744,7 @@ static int ipmr_mfc_add(struct mfcctl *mfc, int mrtsock)
c->mfc_origin=mfc->mfcc_origin.s_addr;
c->mfc_mcastgrp=mfc->mfcc_mcastgrp.s_addr;
c->mfc_parent=mfc->mfcc_parent;
- ipmr_update_threshoulds(c, mfc->mfcc_ttls);
+ ipmr_update_thresholds(c, mfc->mfcc_ttls);
if (!mrtsock)
c->mfc_flags |= MFC_STATIC;
diff --git a/net/ipv4/netfilter/ip_conntrack_core.c b/net/ipv4/netfilter/ip_conntrack_core.c
index 63bf8826498..a7f0c821a9b 100644
--- a/net/ipv4/netfilter/ip_conntrack_core.c
+++ b/net/ipv4/netfilter/ip_conntrack_core.c
@@ -510,9 +510,14 @@ init_conntrack(const struct ip_conntrack_tuple *tuple,
/* Welcome, Mr. Bond. We've been expecting you... */
__set_bit(IPS_EXPECTED_BIT, &conntrack->status);
conntrack->master = exp->master;
-#if CONFIG_IP_NF_CONNTRACK_MARK
+#ifdef CONFIG_IP_NF_CONNTRACK_MARK
conntrack->mark = exp->master->mark;
#endif
+#if defined(CONFIG_IP_NF_TARGET_MASQUERADE) || \
+ defined(CONFIG_IP_NF_TARGET_MASQUERADE_MODULE)
+ /* this is ugly, but there is no other place where to put it */
+ conntrack->nat.masq_index = exp->master->nat.masq_index;
+#endif
nf_conntrack_get(&conntrack->master->ct_general);
CONNTRACK_STAT_INC(expect_new);
} else {
diff --git a/net/ipv4/netfilter/ip_nat_standalone.c b/net/ipv4/netfilter/ip_nat_standalone.c
index bc59d0d6e89..91d5ea1dbbc 100644
--- a/net/ipv4/netfilter/ip_nat_standalone.c
+++ b/net/ipv4/netfilter/ip_nat_standalone.c
@@ -102,6 +102,10 @@ ip_nat_fn(unsigned int hooknum,
return NF_ACCEPT;
}
+ /* Don't try to NAT if this packet is not conntracked */
+ if (ct == &ip_conntrack_untracked)
+ return NF_ACCEPT;
+
switch (ctinfo) {
case IP_CT_RELATED:
case IP_CT_RELATED+IP_CT_IS_REPLY:
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 62f62bb05c2..5d91213d34c 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -1494,12 +1494,11 @@ int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb)
* to destinations, already remembered
* to the moment of synflood.
*/
- NETDEBUG(if (net_ratelimit()) \
- printk(KERN_DEBUG "TCP: drop open "
- "request from %u.%u."
- "%u.%u/%u\n", \
- NIPQUAD(saddr),
- ntohs(skb->h.th->source)));
+ LIMIT_NETDEBUG(printk(KERN_DEBUG "TCP: drop open "
+ "request from %u.%u."
+ "%u.%u/%u\n",
+ NIPQUAD(saddr),
+ ntohs(skb->h.th->source)));
dst_release(dst);
goto drop_and_free;
}
@@ -1627,8 +1626,7 @@ static int tcp_v4_checksum_init(struct sk_buff *skb)
skb->nh.iph->daddr, skb->csum))
return 0;
- NETDEBUG(if (net_ratelimit())
- printk(KERN_DEBUG "hw tcp v4 csum failed\n"));
+ LIMIT_NETDEBUG(printk(KERN_DEBUG "hw tcp v4 csum failed\n"));
skb->ip_summed = CHECKSUM_NONE;
}
if (skb->len <= 76) {
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index e3f8ea1bfa9..7d076f0db10 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -403,11 +403,9 @@ static void tcp_queue_skb(struct sock *sk, struct sk_buff *skb)
sk->sk_send_head = skb;
}
-static void tcp_set_skb_tso_segs(struct sock *sk, struct sk_buff *skb)
+static void tcp_set_skb_tso_segs(struct sock *sk, struct sk_buff *skb, unsigned int mss_now)
{
- struct tcp_sock *tp = tcp_sk(sk);
-
- if (skb->len <= tp->mss_cache ||
+ if (skb->len <= mss_now ||
!(sk->sk_route_caps & NETIF_F_TSO)) {
/* Avoid the costly divide in the normal
* non-TSO case.
@@ -417,10 +415,10 @@ static void tcp_set_skb_tso_segs(struct sock *sk, struct sk_buff *skb)
} else {
unsigned int factor;
- factor = skb->len + (tp->mss_cache - 1);
- factor /= tp->mss_cache;
+ factor = skb->len + (mss_now - 1);
+ factor /= mss_now;
skb_shinfo(skb)->tso_segs = factor;
- skb_shinfo(skb)->tso_size = tp->mss_cache;
+ skb_shinfo(skb)->tso_size = mss_now;
}
}
@@ -429,7 +427,7 @@ static void tcp_set_skb_tso_segs(struct sock *sk, struct sk_buff *skb)
* packet to the list. This won't be called frequently, I hope.
* Remember, these are still headerless SKBs at this point.
*/
-static int tcp_fragment(struct sock *sk, struct sk_buff *skb, u32 len)
+static int tcp_fragment(struct sock *sk, struct sk_buff *skb, u32 len, unsigned int mss_now)
{
struct tcp_sock *tp = tcp_sk(sk);
struct sk_buff *buff;
@@ -492,8 +490,8 @@ static int tcp_fragment(struct sock *sk, struct sk_buff *skb, u32 len)
}
/* Fix up tso_factor for both original and new SKB. */
- tcp_set_skb_tso_segs(sk, skb);
- tcp_set_skb_tso_segs(sk, buff);
+ tcp_set_skb_tso_segs(sk, skb, mss_now);
+ tcp_set_skb_tso_segs(sk, buff, mss_now);
if (TCP_SKB_CB(skb)->sacked & TCPCB_LOST) {
tp->lost_out += tcp_skb_pcount(skb);
@@ -569,7 +567,7 @@ int tcp_trim_head(struct sock *sk, struct sk_buff *skb, u32 len)
* factor and mss.
*/
if (tcp_skb_pcount(skb) > 1)
- tcp_set_skb_tso_segs(sk, skb);
+ tcp_set_skb_tso_segs(sk, skb, tcp_current_mss(sk, 1));
return 0;
}
@@ -734,12 +732,14 @@ static inline unsigned int tcp_cwnd_test(struct tcp_sock *tp, struct sk_buff *sk
/* This must be invoked the first time we consider transmitting
* SKB onto the wire.
*/
-static inline int tcp_init_tso_segs(struct sock *sk, struct sk_buff *skb)
+static inline int tcp_init_tso_segs(struct sock *sk, struct sk_buff *skb, unsigned int mss_now)
{
int tso_segs = tcp_skb_pcount(skb);
- if (!tso_segs) {
- tcp_set_skb_tso_segs(sk, skb);
+ if (!tso_segs ||
+ (tso_segs > 1 &&
+ skb_shinfo(skb)->tso_size != mss_now)) {
+ tcp_set_skb_tso_segs(sk, skb, mss_now);
tso_segs = tcp_skb_pcount(skb);
}
return tso_segs;
@@ -817,7 +817,7 @@ static unsigned int tcp_snd_test(struct sock *sk, struct sk_buff *skb,
struct tcp_sock *tp = tcp_sk(sk);
unsigned int cwnd_quota;
- tcp_init_tso_segs(sk, skb);
+ tcp_init_tso_segs(sk, skb, cur_mss);
if (!tcp_nagle_test(tp, skb, cur_mss, nonagle))
return 0;
@@ -854,7 +854,7 @@ int tcp_may_send_now(struct sock *sk, struct tcp_sock *tp)
* know that all the data is in scatter-gather pages, and that the
* packet has never been sent out before (and thus is not cloned).
*/
-static int tso_fragment(struct sock *sk, struct sk_buff *skb, unsigned int len)
+static int tso_fragment(struct sock *sk, struct sk_buff *skb, unsigned int len, unsigned int mss_now)
{
struct sk_buff *buff;
int nlen = skb->len - len;
@@ -887,8 +887,8 @@ static int tso_fragment(struct sock *sk, struct sk_buff *skb, unsigned int len)
skb_split(skb, buff, len);
/* Fix up tso_factor for both original and new SKB. */
- tcp_set_skb_tso_segs(sk, skb);
- tcp_set_skb_tso_segs(sk, buff);
+ tcp_set_skb_tso_segs(sk, skb, mss_now);
+ tcp_set_skb_tso_segs(sk, buff, mss_now);
/* Link BUFF into the send queue. */
skb_header_release(buff);
@@ -972,19 +972,18 @@ static int tcp_write_xmit(struct sock *sk, unsigned int mss_now, int nonagle)
if (unlikely(sk->sk_state == TCP_CLOSE))
return 0;
- skb = sk->sk_send_head;
- if (unlikely(!skb))
- return 0;
-
- tso_segs = tcp_init_tso_segs(sk, skb);
- cwnd_quota = tcp_cwnd_test(tp, skb);
- if (unlikely(!cwnd_quota))
- goto out;
-
sent_pkts = 0;
- while (likely(tcp_snd_wnd_test(tp, skb, mss_now))) {
+ while ((skb = sk->sk_send_head)) {
+ tso_segs = tcp_init_tso_segs(sk, skb, mss_now);
BUG_ON(!tso_segs);
+ cwnd_quota = tcp_cwnd_test(tp, skb);
+ if (!cwnd_quota)
+ break;
+
+ if (unlikely(!tcp_snd_wnd_test(tp, skb, mss_now)))
+ break;
+
if (tso_segs == 1) {
if (unlikely(!tcp_nagle_test(tp, skb, mss_now,
(tcp_skb_is_last(sk, skb) ?
@@ -1006,11 +1005,11 @@ static int tcp_write_xmit(struct sock *sk, unsigned int mss_now, int nonagle)
limit = skb->len - trim;
}
if (skb->len > limit) {
- if (tso_fragment(sk, skb, limit))
+ if (tso_fragment(sk, skb, limit, mss_now))
break;
}
} else if (unlikely(skb->len > mss_now)) {
- if (unlikely(tcp_fragment(sk, skb, mss_now)))
+ if (unlikely(tcp_fragment(sk, skb, mss_now, mss_now)))
break;
}
@@ -1026,27 +1025,12 @@ static int tcp_write_xmit(struct sock *sk, unsigned int mss_now, int nonagle)
tcp_minshall_update(tp, mss_now, skb);
sent_pkts++;
-
- /* Do not optimize this to use tso_segs. If we chopped up
- * the packet above, tso_segs will no longer be valid.
- */
- cwnd_quota -= tcp_skb_pcount(skb);
-
- BUG_ON(cwnd_quota < 0);
- if (!cwnd_quota)
- break;
-
- skb = sk->sk_send_head;
- if (!skb)
- break;
- tso_segs = tcp_init_tso_segs(sk, skb);
}
if (likely(sent_pkts)) {
tcp_cwnd_validate(sk, tp);
return 0;
}
-out:
return !tp->packets_out && sk->sk_send_head;
}
@@ -1076,7 +1060,7 @@ void tcp_push_one(struct sock *sk, unsigned int mss_now)
BUG_ON(!skb || skb->len < mss_now);
- tso_segs = tcp_init_tso_segs(sk, skb);
+ tso_segs = tcp_init_tso_segs(sk, skb, mss_now);
cwnd_quota = tcp_snd_test(sk, skb, mss_now, TCP_NAGLE_PUSH);
if (likely(cwnd_quota)) {
@@ -1093,11 +1077,11 @@ void tcp_push_one(struct sock *sk, unsigned int mss_now)
limit = skb->len - trim;
}
if (skb->len > limit) {
- if (unlikely(tso_fragment(sk, skb, limit)))
+ if (unlikely(tso_fragment(sk, skb, limit, mss_now)))
return;
}
} else if (unlikely(skb->len > mss_now)) {
- if (unlikely(tcp_fragment(sk, skb, mss_now)))
+ if (unlikely(tcp_fragment(sk, skb, mss_now, mss_now)))
return;
}
@@ -1388,7 +1372,7 @@ int tcp_retransmit_skb(struct sock *sk, struct sk_buff *skb)
int old_factor = tcp_skb_pcount(skb);
int new_factor;
- if (tcp_fragment(sk, skb, cur_mss))
+ if (tcp_fragment(sk, skb, cur_mss, cur_mss))
return -ENOMEM; /* We'll try again later. */
/* New SKB created, account for it. */
@@ -1991,7 +1975,7 @@ int tcp_write_wakeup(struct sock *sk)
skb->len > mss) {
seg_size = min(seg_size, mss);
TCP_SKB_CB(skb)->flags |= TCPCB_FLAG_PSH;
- if (tcp_fragment(sk, skb, seg_size))
+ if (tcp_fragment(sk, skb, seg_size, mss))
return -1;
/* SWS override triggered forced fragmentation.
* Disable TSO, the connection is too sick. */
@@ -2000,7 +1984,7 @@ int tcp_write_wakeup(struct sock *sk)
sk->sk_route_caps &= ~NETIF_F_TSO;
}
} else if (!tcp_skb_pcount(skb))
- tcp_set_skb_tso_segs(sk, skb);
+ tcp_set_skb_tso_segs(sk, skb, mss);
TCP_SKB_CB(skb)->flags |= TCPCB_FLAG_PSH;
TCP_SKB_CB(skb)->when = tcp_time_stamp;
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 7c24e64b443..dc4d07357e3 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -628,7 +628,7 @@ back_from_confirm:
/* ... which is an evident application bug. --ANK */
release_sock(sk);
- NETDEBUG(if (net_ratelimit()) printk(KERN_DEBUG "udp cork app bug 2\n"));
+ LIMIT_NETDEBUG(printk(KERN_DEBUG "udp cork app bug 2\n"));
err = -EINVAL;
goto out;
}
@@ -693,7 +693,7 @@ static int udp_sendpage(struct sock *sk, struct page *page, int offset,
if (unlikely(!up->pending)) {
release_sock(sk);
- NETDEBUG(if (net_ratelimit()) printk(KERN_DEBUG "udp cork app bug 3\n"));
+ LIMIT_NETDEBUG(printk(KERN_DEBUG "udp cork app bug 3\n"));
return -EINVAL;
}
@@ -1102,7 +1102,7 @@ static int udp_checksum_init(struct sk_buff *skb, struct udphdr *uh,
skb->ip_summed = CHECKSUM_UNNECESSARY;
if (!udp_check(uh, ulen, saddr, daddr, skb->csum))
return 0;
- NETDEBUG(if (net_ratelimit()) printk(KERN_DEBUG "udp v4 hw csum failure.\n"));
+ LIMIT_NETDEBUG(printk(KERN_DEBUG "udp v4 hw csum failure.\n"));
skb->ip_summed = CHECKSUM_NONE;
}
if (skb->ip_summed != CHECKSUM_UNNECESSARY)
@@ -1181,14 +1181,13 @@ int udp_rcv(struct sk_buff *skb)
return(0);
short_packet:
- NETDEBUG(if (net_ratelimit())
- printk(KERN_DEBUG "UDP: short packet: From %u.%u.%u.%u:%u %d/%d to %u.%u.%u.%u:%u\n",
- NIPQUAD(saddr),
- ntohs(uh->source),
- ulen,
- len,
- NIPQUAD(daddr),
- ntohs(uh->dest)));
+ LIMIT_NETDEBUG(printk(KERN_DEBUG "UDP: short packet: From %u.%u.%u.%u:%u %d/%d to %u.%u.%u.%u:%u\n",
+ NIPQUAD(saddr),
+ ntohs(uh->source),
+ ulen,
+ len,
+ NIPQUAD(daddr),
+ ntohs(uh->dest)));
no_header:
UDP_INC_STATS_BH(UDP_MIB_INERRORS);
kfree_skb(skb);
@@ -1199,13 +1198,12 @@ csum_error:
* RFC1122: OK. Discards the bad packet silently (as far as
* the network is concerned, anyway) as per 4.1.3.4 (MUST).
*/
- NETDEBUG(if (net_ratelimit())
- printk(KERN_DEBUG "UDP: bad checksum. From %d.%d.%d.%d:%d to %d.%d.%d.%d:%d ulen %d\n",
- NIPQUAD(saddr),
- ntohs(uh->source),
- NIPQUAD(daddr),
- ntohs(uh->dest),
- ulen));
+ LIMIT_NETDEBUG(printk(KERN_DEBUG "UDP: bad checksum. From %d.%d.%d.%d:%d to %d.%d.%d.%d:%d ulen %d\n",
+ NIPQUAD(saddr),
+ ntohs(uh->source),
+ NIPQUAD(daddr),
+ ntohs(uh->dest),
+ ulen));
drop:
UDP_INC_STATS_BH(UDP_MIB_INERRORS);
kfree_skb(skb);
diff --git a/net/ipv4/utils.c b/net/ipv4/utils.c
deleted file mode 100644
index 6aecd7a4353..00000000000
--- a/net/ipv4/utils.c
+++ /dev/null
@@ -1,59 +0,0 @@
-/*
- * INET An implementation of the TCP/IP protocol suite for the LINUX
- * operating system. INET is implemented using the BSD Socket
- * interface as the means of communication with the user level.
- *
- * Various kernel-resident INET utility functions; mainly
- * for format conversion and debugging output.
- *
- * Version: $Id: utils.c,v 1.8 2000/10/03 07:29:01 anton Exp $
- *
- * Author: Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
- *
- * Fixes:
- * Alan Cox : verify_area check.
- * Alan Cox : removed old debugging.
- * Andi Kleen : add net_ratelimit()
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-
-#include <linux/module.h>
-#include <linux/types.h>
-#include <asm/byteorder.h>
-
-/*
- * Convert an ASCII string to binary IP.
- */
-
-__u32 in_aton(const char *str)
-{
- unsigned long l;
- unsigned int val;
- int i;
-
- l = 0;
- for (i = 0; i < 4; i++)
- {
- l <<= 8;
- if (*str != '\0')
- {
- val = 0;
- while (*str != '\0' && *str != '.')
- {
- val *= 10;
- val += *str - '0';
- str++;
- }
- l |= val;
- if (*str != '\0')
- str++;
- }
- }
- return(htonl(l));
-}
-
-EXPORT_SYMBOL(in_aton);
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 1f2c2f9e353..ae652ca14bc 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -792,13 +792,8 @@ int ip6_dst_lookup(struct sock *sk, struct dst_entry **dst, struct flowi *fl)
if (ipv6_addr_any(&fl->fl6_src)) {
err = ipv6_get_saddr(*dst, &fl->fl6_dst, &fl->fl6_src);
- if (err) {
-#if IP6_DEBUG >= 2
- printk(KERN_DEBUG "ip6_dst_lookup: "
- "no available source address\n");
-#endif
+ if (err)
goto out_err_release;
- }
}
return 0;
diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index f3ef4c38d31..3bc144a79fa 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -504,6 +504,9 @@ done:
break;
case IPV6_IPSEC_POLICY:
case IPV6_XFRM_POLICY:
+ retv = -EPERM;
+ if (!capable(CAP_NET_ADMIN))
+ break;
retv = xfrm_user_policy(sk, optname, optval, optlen);
break;
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index b788f55e139..e553e5b80d6 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -195,7 +195,6 @@ static struct ip_tunnel * ipip6_tunnel_locate(struct ip_tunnel_parm *parms, int
dev_hold(dev);
ipip6_tunnel_link(nt);
- /* Do not decrement MOD_USE_COUNT here. */
return nt;
failed:
@@ -794,10 +793,28 @@ static struct net_protocol sit_protocol = {
.err_handler = ipip6_err,
};
+static void __exit sit_destroy_tunnels(void)
+{
+ int prio;
+
+ for (prio = 1; prio < 4; prio++) {
+ int h;
+ for (h = 0; h < HASH_SIZE; h++) {
+ struct ip_tunnel *t;
+ while ((t = tunnels[prio][h]) != NULL)
+ unregister_netdevice(t->dev);
+ }
+ }
+}
+
void __exit sit_cleanup(void)
{
inet_del_protocol(&sit_protocol, IPPROTO_IPV6);
- unregister_netdev(ipip6_fb_tunnel_dev);
+
+ rtnl_lock();
+ sit_destroy_tunnels();
+ unregister_netdevice(ipip6_fb_tunnel_dev);
+ rtnl_unlock();
}
int __init sit_init(void)
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-12 22:29:21 +0000