summaryrefslogtreecommitdiffstats
path: root/net
diff options
context:
space:
mode:
Diffstat (limited to 'net')
-rw-r--r--net/bridge/br_input.c5
-rw-r--r--net/bridge/br_stp.c3
-rw-r--r--net/core/gen_estimator.c13
-rw-r--r--net/core/netpoll.c8
-rw-r--r--net/core/pktgen.c2
-rw-r--r--net/core/skbuff.c2
-rw-r--r--net/ipv4/Kconfig2
-rw-r--r--net/ipv4/fib_trie.c6
-rw-r--r--net/ipv4/ipconfig.c12
-rw-r--r--net/ipv4/route.c60
-rw-r--r--net/ipv4/tcp.c5
-rw-r--r--net/ipv4/tcp_vegas.c11
-rw-r--r--net/ipv6/route.c3
-rw-r--r--net/rxrpc/ar-connection.c12
-rw-r--r--net/sched/sch_teql.c5
-rw-r--r--net/sunrpc/xprtrdma/verbs.c3
-rw-r--r--net/wireless/reg.c7
-rw-r--r--net/wireless/wext.c7
18 files changed, 102 insertions, 64 deletions
diff --git a/net/bridge/br_input.c b/net/bridge/br_input.c
index 30b88777c3d..5ee1a3682bf 100644
--- a/net/bridge/br_input.c
+++ b/net/bridge/br_input.c
@@ -134,6 +134,10 @@ struct sk_buff *br_handle_frame(struct net_bridge_port *p, struct sk_buff *skb)
if (skb->protocol == htons(ETH_P_PAUSE))
goto drop;
+ /* If STP is turned off, then forward */
+ if (p->br->stp_enabled == BR_NO_STP && dest[5] == 0)
+ goto forward;
+
if (NF_HOOK(PF_BRIDGE, NF_BR_LOCAL_IN, skb, skb->dev,
NULL, br_handle_local_finish))
return NULL; /* frame consumed by filter */
@@ -141,6 +145,7 @@ struct sk_buff *br_handle_frame(struct net_bridge_port *p, struct sk_buff *skb)
return skb; /* continue processing */
}
+forward:
switch (p->state) {
case BR_STATE_FORWARDING:
rhook = rcu_dereference(br_should_route_hook);
diff --git a/net/bridge/br_stp.c b/net/bridge/br_stp.c
index 6e63ec3f1fc..0660515f399 100644
--- a/net/bridge/br_stp.c
+++ b/net/bridge/br_stp.c
@@ -297,6 +297,9 @@ void br_topology_change_detection(struct net_bridge *br)
{
int isroot = br_is_root_bridge(br);
+ if (br->stp_enabled != BR_KERNEL_STP)
+ return;
+
pr_info("%s: topology change detected, %s\n", br->dev->name,
isroot ? "propagating" : "sending tcn bpdu");
diff --git a/net/core/gen_estimator.c b/net/core/gen_estimator.c
index 9cc9f95b109..6d62d4618cf 100644
--- a/net/core/gen_estimator.c
+++ b/net/core/gen_estimator.c
@@ -66,9 +66,9 @@
NOTES.
- * The stored value for avbps is scaled by 2^5, so that maximal
- rate is ~1Gbit, avpps is scaled by 2^10.
-
+ * avbps is scaled by 2^5, avpps is scaled by 2^10.
+ * both values are reported as 32 bit unsigned values. bps can
+ overflow for fast links : max speed being 34360Mbit/sec
* Minimal interval is HZ/4=250msec (it is the greatest common divisor
for HZ=100 and HZ=1024 8)), maximal interval
is (HZ*2^EST_MAX_INTERVAL)/4 = 8sec. Shorter intervals
@@ -86,9 +86,9 @@ struct gen_estimator
spinlock_t *stats_lock;
int ewma_log;
u64 last_bytes;
+ u64 avbps;
u32 last_packets;
u32 avpps;
- u32 avbps;
struct rcu_head e_rcu;
struct rb_node node;
};
@@ -115,6 +115,7 @@ static void est_timer(unsigned long arg)
rcu_read_lock();
list_for_each_entry_rcu(e, &elist[idx].list, list) {
u64 nbytes;
+ u64 brate;
u32 npackets;
u32 rate;
@@ -125,9 +126,9 @@ static void est_timer(unsigned long arg)
nbytes = e->bstats->bytes;
npackets = e->bstats->packets;
- rate = (nbytes - e->last_bytes)<<(7 - idx);
+ brate = (nbytes - e->last_bytes)<<(7 - idx);
e->last_bytes = nbytes;
- e->avbps += ((long)rate - (long)e->avbps) >> e->ewma_log;
+ e->avbps += ((s64)(brate - e->avbps)) >> e->ewma_log;
e->rate_est->bps = (e->avbps+0xF)>>5;
rate = (npackets - e->last_packets)<<(12 - idx);
diff --git a/net/core/netpoll.c b/net/core/netpoll.c
index b5873bdff61..64f51eec657 100644
--- a/net/core/netpoll.c
+++ b/net/core/netpoll.c
@@ -175,9 +175,13 @@ static void service_arp_queue(struct netpoll_info *npi)
void netpoll_poll(struct netpoll *np)
{
struct net_device *dev = np->dev;
- const struct net_device_ops *ops = dev->netdev_ops;
+ const struct net_device_ops *ops;
+
+ if (!dev || !netif_running(dev))
+ return;
- if (!dev || !netif_running(dev) || !ops->ndo_poll_controller)
+ ops = dev->netdev_ops;
+ if (!ops->ndo_poll_controller)
return;
/* Process pending work on NIC */
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index 3779c1438c1..0666a827bc6 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -2447,7 +2447,7 @@ static inline void free_SAs(struct pktgen_dev *pkt_dev)
if (pkt_dev->cflows) {
/* let go of the SAs if we have them */
int i = 0;
- for (; i < pkt_dev->nflows; i++){
+ for (; i < pkt_dev->cflows; i++) {
struct xfrm_state *x = pkt_dev->flows[i].x;
if (x) {
xfrm_state_put(x);
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index d152394b261..e505b5392e1 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -2288,7 +2288,7 @@ unsigned int skb_seq_read(unsigned int consumed, const u8 **data,
next_skb:
block_limit = skb_headlen(st->cur_skb) + st->stepped_offset;
- if (abs_offset < block_limit) {
+ if (abs_offset < block_limit && !st->frag_data) {
*data = st->cur_skb->data + (abs_offset - st->stepped_offset);
return block_limit - abs_offset;
}
diff --git a/net/ipv4/Kconfig b/net/ipv4/Kconfig
index 9d26a3da37e..5b919f7b45d 100644
--- a/net/ipv4/Kconfig
+++ b/net/ipv4/Kconfig
@@ -408,7 +408,7 @@ config INET_XFRM_MODE_BEET
config INET_LRO
bool "Large Receive Offload (ipv4/tcp)"
-
+ default y
---help---
Support for Large Receive Offload (ipv4/tcp).
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index ec0ae490f0b..33c7c85dfe4 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -986,9 +986,12 @@ fib_find_node(struct trie *t, u32 key)
static struct node *trie_rebalance(struct trie *t, struct tnode *tn)
{
int wasfull;
- t_key cindex, key = tn->key;
+ t_key cindex, key;
struct tnode *tp;
+ preempt_disable();
+ key = tn->key;
+
while (tn != NULL && (tp = node_parent((struct node *)tn)) != NULL) {
cindex = tkey_extract_bits(key, tp->pos, tp->bits);
wasfull = tnode_full(tp, tnode_get_child(tp, cindex));
@@ -1007,6 +1010,7 @@ static struct node *trie_rebalance(struct trie *t, struct tnode *tn)
if (IS_TNODE(tn))
tn = (struct tnode *)resize(t, (struct tnode *)tn);
+ preempt_enable();
return (struct node *)tn;
}
diff --git a/net/ipv4/ipconfig.c b/net/ipv4/ipconfig.c
index 90d22ae0a41..88bf051d0cb 100644
--- a/net/ipv4/ipconfig.c
+++ b/net/ipv4/ipconfig.c
@@ -139,6 +139,8 @@ __be32 ic_servaddr = NONE; /* Boot server IP address */
__be32 root_server_addr = NONE; /* Address of NFS server */
u8 root_server_path[256] = { 0, }; /* Path to mount as root */
+u32 ic_dev_xid; /* Device under configuration */
+
/* vendor class identifier */
static char vendor_class_identifier[253] __initdata;
@@ -932,6 +934,13 @@ static int __init ic_bootp_recv(struct sk_buff *skb, struct net_device *dev, str
goto drop_unlock;
}
+ /* Is it a reply for the device we are configuring? */
+ if (b->xid != ic_dev_xid) {
+ if (net_ratelimit())
+ printk(KERN_ERR "DHCP/BOOTP: Ignoring delayed packet \n");
+ goto drop_unlock;
+ }
+
/* Parse extensions */
if (ext_len >= 4 &&
!memcmp(b->exten, ic_bootp_cookie, 4)) { /* Check magic cookie */
@@ -1115,6 +1124,9 @@ static int __init ic_dynamic(void)
get_random_bytes(&timeout, sizeof(timeout));
timeout = CONF_BASE_TIMEOUT + (timeout % (unsigned) CONF_TIMEOUT_RANDOM);
for (;;) {
+ /* Track the device we are configuring */
+ ic_dev_xid = d->xid;
+
#ifdef IPCONFIG_BOOTP
if (do_bootp && (d->able & IC_BOOTP))
ic_bootp_send_if(d, jiffies - start_jiffies);
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index c4c60e9f068..28205e5bfa9 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -784,8 +784,8 @@ static void rt_check_expire(void)
{
static unsigned int rover;
unsigned int i = rover, goal;
- struct rtable *rth, **rthp;
- unsigned long length = 0, samples = 0;
+ struct rtable *rth, *aux, **rthp;
+ unsigned long samples = 0;
unsigned long sum = 0, sum2 = 0;
u64 mult;
@@ -795,9 +795,9 @@ static void rt_check_expire(void)
goal = (unsigned int)mult;
if (goal > rt_hash_mask)
goal = rt_hash_mask + 1;
- length = 0;
for (; goal > 0; goal--) {
unsigned long tmo = ip_rt_gc_timeout;
+ unsigned long length;
i = (i + 1) & rt_hash_mask;
rthp = &rt_hash_table[i].chain;
@@ -809,8 +809,10 @@ static void rt_check_expire(void)
if (*rthp == NULL)
continue;
+ length = 0;
spin_lock_bh(rt_hash_lock_addr(i));
while ((rth = *rthp) != NULL) {
+ prefetch(rth->u.dst.rt_next);
if (rt_is_expired(rth)) {
*rthp = rth->u.dst.rt_next;
rt_free(rth);
@@ -819,33 +821,30 @@ static void rt_check_expire(void)
if (rth->u.dst.expires) {
/* Entry is expired even if it is in use */
if (time_before_eq(jiffies, rth->u.dst.expires)) {
+nofree:
tmo >>= 1;
rthp = &rth->u.dst.rt_next;
/*
- * Only bump our length if the hash
- * inputs on entries n and n+1 are not
- * the same, we only count entries on
+ * We only count entries on
* a chain with equal hash inputs once
* so that entries for different QOS
* levels, and other non-hash input
* attributes don't unfairly skew
* the length computation
*/
- if ((*rthp == NULL) ||
- !compare_hash_inputs(&(*rthp)->fl,
- &rth->fl))
- length += ONE;
+ for (aux = rt_hash_table[i].chain;;) {
+ if (aux == rth) {
+ length += ONE;
+ break;
+ }
+ if (compare_hash_inputs(&aux->fl, &rth->fl))
+ break;
+ aux = aux->u.dst.rt_next;
+ }
continue;
}
- } else if (!rt_may_expire(rth, tmo, ip_rt_gc_timeout)) {
- tmo >>= 1;
- rthp = &rth->u.dst.rt_next;
- if ((*rthp == NULL) ||
- !compare_hash_inputs(&(*rthp)->fl,
- &rth->fl))
- length += ONE;
- continue;
- }
+ } else if (!rt_may_expire(rth, tmo, ip_rt_gc_timeout))
+ goto nofree;
/* Cleanup aged off entries. */
*rthp = rth->u.dst.rt_next;
@@ -1068,7 +1067,6 @@ out: return 0;
static int rt_intern_hash(unsigned hash, struct rtable *rt, struct rtable **rp)
{
struct rtable *rth, **rthp;
- struct rtable *rthi;
unsigned long now;
struct rtable *cand, **candp;
u32 min_score;
@@ -1088,7 +1086,6 @@ restart:
}
rthp = &rt_hash_table[hash].chain;
- rthi = NULL;
spin_lock_bh(rt_hash_lock_addr(hash));
while ((rth = *rthp) != NULL) {
@@ -1134,17 +1131,6 @@ restart:
chain_length++;
rthp = &rth->u.dst.rt_next;
-
- /*
- * check to see if the next entry in the chain
- * contains the same hash input values as rt. If it does
- * This is where we will insert into the list, instead of
- * at the head. This groups entries that differ by aspects not
- * relvant to the hash function together, which we use to adjust
- * our chain length
- */
- if (*rthp && compare_hash_inputs(&(*rthp)->fl, &rt->fl))
- rthi = rth;
}
if (cand) {
@@ -1205,10 +1191,7 @@ restart:
}
}
- if (rthi)
- rt->u.dst.rt_next = rthi->u.dst.rt_next;
- else
- rt->u.dst.rt_next = rt_hash_table[hash].chain;
+ rt->u.dst.rt_next = rt_hash_table[hash].chain;
#if RT_CACHE_DEBUG >= 2
if (rt->u.dst.rt_next) {
@@ -1224,10 +1207,7 @@ restart:
* previous writes to rt are comitted to memory
* before making rt visible to other CPUS.
*/
- if (rthi)
- rcu_assign_pointer(rthi->u.dst.rt_next, rt);
- else
- rcu_assign_pointer(rt_hash_table[hash].chain, rt);
+ rcu_assign_pointer(rt_hash_table[hash].chain, rt);
spin_unlock_bh(rt_hash_lock_addr(hash));
*rp = rt;
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 1d7f49c6f0c..7a0f0b27bf1 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -1321,6 +1321,7 @@ int tcp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
struct task_struct *user_recv = NULL;
int copied_early = 0;
struct sk_buff *skb;
+ u32 urg_hole = 0;
lock_sock(sk);
@@ -1532,7 +1533,8 @@ do_prequeue:
}
}
}
- if ((flags & MSG_PEEK) && peek_seq != tp->copied_seq) {
+ if ((flags & MSG_PEEK) &&
+ (peek_seq - copied - urg_hole != tp->copied_seq)) {
if (net_ratelimit())
printk(KERN_DEBUG "TCP(%s:%d): Application bug, race in MSG_PEEK.\n",
current->comm, task_pid_nr(current));
@@ -1553,6 +1555,7 @@ do_prequeue:
if (!urg_offset) {
if (!sock_flag(sk, SOCK_URGINLINE)) {
++*seq;
+ urg_hole++;
offset++;
used--;
if (!used)
diff --git a/net/ipv4/tcp_vegas.c b/net/ipv4/tcp_vegas.c
index a453aac91bd..c6743eec9b7 100644
--- a/net/ipv4/tcp_vegas.c
+++ b/net/ipv4/tcp_vegas.c
@@ -158,6 +158,11 @@ void tcp_vegas_cwnd_event(struct sock *sk, enum tcp_ca_event event)
}
EXPORT_SYMBOL_GPL(tcp_vegas_cwnd_event);
+static inline u32 tcp_vegas_ssthresh(struct tcp_sock *tp)
+{
+ return min(tp->snd_ssthresh, tp->snd_cwnd-1);
+}
+
static void tcp_vegas_cong_avoid(struct sock *sk, u32 ack, u32 in_flight)
{
struct tcp_sock *tp = tcp_sk(sk);
@@ -221,11 +226,10 @@ static void tcp_vegas_cong_avoid(struct sock *sk, u32 ack, u32 in_flight)
*/
diff = tp->snd_cwnd * (rtt-vegas->baseRTT) / vegas->baseRTT;
- if (diff > gamma && tp->snd_ssthresh > 2 ) {
+ if (diff > gamma && tp->snd_cwnd <= tp->snd_ssthresh) {
/* Going too fast. Time to slow down
* and switch to congestion avoidance.
*/
- tp->snd_ssthresh = 2;
/* Set cwnd to match the actual rate
* exactly:
@@ -235,6 +239,7 @@ static void tcp_vegas_cong_avoid(struct sock *sk, u32 ack, u32 in_flight)
* utilization.
*/
tp->snd_cwnd = min(tp->snd_cwnd, (u32)target_cwnd+1);
+ tp->snd_ssthresh = tcp_vegas_ssthresh(tp);
} else if (tp->snd_cwnd <= tp->snd_ssthresh) {
/* Slow start. */
@@ -250,6 +255,8 @@ static void tcp_vegas_cong_avoid(struct sock *sk, u32 ack, u32 in_flight)
* we slow down.
*/
tp->snd_cwnd--;
+ tp->snd_ssthresh
+ = tcp_vegas_ssthresh(tp);
} else if (diff < alpha) {
/* We don't have enough extra packets
* in the network, so speed up.
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 1394ddb6e35..032a5ec391c 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -137,6 +137,7 @@ static struct rt6_info ip6_null_entry_template = {
}
},
.rt6i_flags = (RTF_REJECT | RTF_NONEXTHOP),
+ .rt6i_protocol = RTPROT_KERNEL,
.rt6i_metric = ~(u32) 0,
.rt6i_ref = ATOMIC_INIT(1),
};
@@ -159,6 +160,7 @@ static struct rt6_info ip6_prohibit_entry_template = {
}
},
.rt6i_flags = (RTF_REJECT | RTF_NONEXTHOP),
+ .rt6i_protocol = RTPROT_KERNEL,
.rt6i_metric = ~(u32) 0,
.rt6i_ref = ATOMIC_INIT(1),
};
@@ -176,6 +178,7 @@ static struct rt6_info ip6_blk_hole_entry_template = {
}
},
.rt6i_flags = (RTF_REJECT | RTF_NONEXTHOP),
+ .rt6i_protocol = RTPROT_KERNEL,
.rt6i_metric = ~(u32) 0,
.rt6i_ref = ATOMIC_INIT(1),
};
diff --git a/net/rxrpc/ar-connection.c b/net/rxrpc/ar-connection.c
index 0f1218b8d28..67e38a05624 100644
--- a/net/rxrpc/ar-connection.c
+++ b/net/rxrpc/ar-connection.c
@@ -343,9 +343,9 @@ static int rxrpc_connect_exclusive(struct rxrpc_sock *rx,
/* not yet present - create a candidate for a new connection
* and then redo the check */
conn = rxrpc_alloc_connection(gfp);
- if (IS_ERR(conn)) {
- _leave(" = %ld", PTR_ERR(conn));
- return PTR_ERR(conn);
+ if (!conn) {
+ _leave(" = -ENOMEM");
+ return -ENOMEM;
}
conn->trans = trans;
@@ -508,9 +508,9 @@ int rxrpc_connect_call(struct rxrpc_sock *rx,
/* not yet present - create a candidate for a new connection and then
* redo the check */
candidate = rxrpc_alloc_connection(gfp);
- if (IS_ERR(candidate)) {
- _leave(" = %ld", PTR_ERR(candidate));
- return PTR_ERR(candidate);
+ if (!candidate) {
+ _leave(" = -ENOMEM");
+ return -ENOMEM;
}
candidate->trans = trans;
diff --git a/net/sched/sch_teql.c b/net/sched/sch_teql.c
index ec697cebb63..3b641829723 100644
--- a/net/sched/sch_teql.c
+++ b/net/sched/sch_teql.c
@@ -303,6 +303,8 @@ restart:
switch (teql_resolve(skb, skb_res, slave)) {
case 0:
if (__netif_tx_trylock(slave_txq)) {
+ unsigned int length = qdisc_pkt_len(skb);
+
if (!netif_tx_queue_stopped(slave_txq) &&
!netif_tx_queue_frozen(slave_txq) &&
slave_ops->ndo_start_xmit(skb, slave) == 0) {
@@ -310,8 +312,7 @@ restart:
master->slaves = NEXT_SLAVE(q);
netif_wake_queue(dev);
master->stats.tx_packets++;
- master->stats.tx_bytes +=
- qdisc_pkt_len(skb);
+ master->stats.tx_bytes += length;
return 0;
}
__netif_tx_unlock(slave_txq);
diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c
index 3b21e0cc5e6..465aafc2007 100644
--- a/net/sunrpc/xprtrdma/verbs.c
+++ b/net/sunrpc/xprtrdma/verbs.c
@@ -1495,7 +1495,8 @@ rpcrdma_register_frmr_external(struct rpcrdma_mr_seg *seg,
frmr_wr.wr.fast_reg.page_shift = PAGE_SHIFT;
frmr_wr.wr.fast_reg.length = i << PAGE_SHIFT;
frmr_wr.wr.fast_reg.access_flags = (writing ?
- IB_ACCESS_REMOTE_WRITE : IB_ACCESS_REMOTE_READ);
+ IB_ACCESS_REMOTE_WRITE | IB_ACCESS_LOCAL_WRITE :
+ IB_ACCESS_REMOTE_READ);
frmr_wr.wr.fast_reg.rkey = seg1->mr_chunk.rl_mw->r.frmr.fr_mr->rkey;
DECR_CQCOUNT(&r_xprt->rx_ep);
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 08265ca1578..487cb627ddb 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -1551,6 +1551,13 @@ static int regulatory_hint_core(const char *alpha2)
queue_regulatory_request(request);
+ /*
+ * This ensures last_request is populated once modules
+ * come swinging in and calling regulatory hints and
+ * wiphy_apply_custom_regulatory().
+ */
+ flush_scheduled_work();
+
return 0;
}
diff --git a/net/wireless/wext.c b/net/wireless/wext.c
index cb6a5bb85d8..0e59f9ae9b8 100644
--- a/net/wireless/wext.c
+++ b/net/wireless/wext.c
@@ -786,6 +786,13 @@ static int ioctl_standard_iw_point(struct iw_point *iwp, unsigned int cmd,
err = -EFAULT;
goto out;
}
+
+ if (cmd == SIOCSIWENCODEEXT) {
+ struct iw_encode_ext *ee = (void *) extra;
+
+ if (iwp->length < sizeof(*ee) + ee->key_len)
+ return -EFAULT;
+ }
}
err = handler(dev, info, (union iwreq_data *) iwp, extra);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-14 16:52:51 +0000