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net_sched: em_meta: use skb_to_full_sk() helper 

SYNACK packets might be attached to request sockets.

Fixes: ca6fb06518 ("tcp: attach SYNACK messages to request sockets instead of listener")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2015-11-08 10:54:11 -08:00 committed by David S. Miller
parent 743b2a6674
commit 02a56c81cf
1 changed files with 92 additions and 46 deletions
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138
net/sched/em_meta.c
View File

@ -343,119 +343,145 @@ META_COLLECTOR(int_sk_refcnt)
META_COLLECTOR(int_sk_rcvbuf)
{
if (skip_nonlocal(skb)) {
const struct sock *sk = skb_to_full_sk(skb);
if (!sk) {
*err = -1;
return;
}
dst->value = skb->sk->sk_rcvbuf;
dst->value = sk->sk_rcvbuf;
}
META_COLLECTOR(int_sk_shutdown)
{
if (skip_nonlocal(skb)) {
const struct sock *sk = skb_to_full_sk(skb);
if (!sk) {
*err = -1;
return;
}
dst->value = skb->sk->sk_shutdown;
dst->value = sk->sk_shutdown;
}
META_COLLECTOR(int_sk_proto)
{
if (skip_nonlocal(skb)) {
const struct sock *sk = skb_to_full_sk(skb);
if (!sk) {
*err = -1;
return;
}
dst->value = skb->sk->sk_protocol;
dst->value = sk->sk_protocol;
}
META_COLLECTOR(int_sk_type)
{
if (skip_nonlocal(skb)) {
const struct sock *sk = skb_to_full_sk(skb);
if (!sk) {
*err = -1;
return;
}
dst->value = skb->sk->sk_type;
dst->value = sk->sk_type;
}
META_COLLECTOR(int_sk_rmem_alloc)
{
if (skip_nonlocal(skb)) {
const struct sock *sk = skb_to_full_sk(skb);
if (!sk) {
*err = -1;
return;
}
dst->value = sk_rmem_alloc_get(skb->sk);
dst->value = sk_rmem_alloc_get(sk);
}
META_COLLECTOR(int_sk_wmem_alloc)
{
if (skip_nonlocal(skb)) {
const struct sock *sk = skb_to_full_sk(skb);
if (!sk) {
*err = -1;
return;
}
dst->value = sk_wmem_alloc_get(skb->sk);
dst->value = sk_wmem_alloc_get(sk);
}
META_COLLECTOR(int_sk_omem_alloc)
{
if (skip_nonlocal(skb)) {
const struct sock *sk = skb_to_full_sk(skb);
if (!sk) {
*err = -1;
return;
}
dst->value = atomic_read(&skb->sk->sk_omem_alloc);
dst->value = atomic_read(&sk->sk_omem_alloc);
}
META_COLLECTOR(int_sk_rcv_qlen)
{
if (skip_nonlocal(skb)) {
const struct sock *sk = skb_to_full_sk(skb);
if (!sk) {
*err = -1;
return;
}
dst->value = skb->sk->sk_receive_queue.qlen;
dst->value = sk->sk_receive_queue.qlen;
}
META_COLLECTOR(int_sk_snd_qlen)
{
if (skip_nonlocal(skb)) {
const struct sock *sk = skb_to_full_sk(skb);
if (!sk) {
*err = -1;
return;
}
dst->value = skb->sk->sk_write_queue.qlen;
dst->value = sk->sk_write_queue.qlen;
}
META_COLLECTOR(int_sk_wmem_queued)
{
if (skip_nonlocal(skb)) {
const struct sock *sk = skb_to_full_sk(skb);
if (!sk) {
*err = -1;
return;
}
dst->value = skb->sk->sk_wmem_queued;
dst->value = sk->sk_wmem_queued;
}
META_COLLECTOR(int_sk_fwd_alloc)
{
if (skip_nonlocal(skb)) {
const struct sock *sk = skb_to_full_sk(skb);
if (!sk) {
*err = -1;
return;
}
dst->value = skb->sk->sk_forward_alloc;
dst->value = sk->sk_forward_alloc;
}
META_COLLECTOR(int_sk_sndbuf)
{
if (skip_nonlocal(skb)) {
const struct sock *sk = skb_to_full_sk(skb);
if (!sk) {
*err = -1;
return;
}
dst->value = skb->sk->sk_sndbuf;
dst->value = sk->sk_sndbuf;
}
META_COLLECTOR(int_sk_alloc)
{
if (skip_nonlocal(skb)) {
const struct sock *sk = skb_to_full_sk(skb);
if (!sk) {
*err = -1;
return;
}
dst->value = (__force int) skb->sk->sk_allocation;
dst->value = (__force int) sk->sk_allocation;
}
META_COLLECTOR(int_sk_hash)
@ -469,92 +495,112 @@ META_COLLECTOR(int_sk_hash)
META_COLLECTOR(int_sk_lingertime)
{
if (skip_nonlocal(skb)) {
const struct sock *sk = skb_to_full_sk(skb);
if (!sk) {
*err = -1;
return;
}
dst->value = skb->sk->sk_lingertime / HZ;
dst->value = sk->sk_lingertime / HZ;
}
META_COLLECTOR(int_sk_err_qlen)
{
if (skip_nonlocal(skb)) {
const struct sock *sk = skb_to_full_sk(skb);
if (!sk) {
*err = -1;
return;
}
dst->value = skb->sk->sk_error_queue.qlen;
dst->value = sk->sk_error_queue.qlen;
}
META_COLLECTOR(int_sk_ack_bl)
{
if (skip_nonlocal(skb)) {
const struct sock *sk = skb_to_full_sk(skb);
if (!sk) {
*err = -1;
return;
}
dst->value = skb->sk->sk_ack_backlog;
dst->value = sk->sk_ack_backlog;
}
META_COLLECTOR(int_sk_max_ack_bl)
{
if (skip_nonlocal(skb)) {
const struct sock *sk = skb_to_full_sk(skb);
if (!sk) {
*err = -1;
return;
}
dst->value = skb->sk->sk_max_ack_backlog;
dst->value = sk->sk_max_ack_backlog;
}
META_COLLECTOR(int_sk_prio)
{
if (skip_nonlocal(skb)) {
const struct sock *sk = skb_to_full_sk(skb);
if (!sk) {
*err = -1;
return;
}
dst->value = skb->sk->sk_priority;
dst->value = sk->sk_priority;
}
META_COLLECTOR(int_sk_rcvlowat)
{
if (skip_nonlocal(skb)) {
const struct sock *sk = skb_to_full_sk(skb);
if (!sk) {
*err = -1;
return;
}
dst->value = skb->sk->sk_rcvlowat;
dst->value = sk->sk_rcvlowat;
}
META_COLLECTOR(int_sk_rcvtimeo)
{
if (skip_nonlocal(skb)) {
const struct sock *sk = skb_to_full_sk(skb);
if (!sk) {
*err = -1;
return;
}
dst->value = skb->sk->sk_rcvtimeo / HZ;
dst->value = sk->sk_rcvtimeo / HZ;
}
META_COLLECTOR(int_sk_sndtimeo)
{
if (skip_nonlocal(skb)) {
const struct sock *sk = skb_to_full_sk(skb);
if (!sk) {
*err = -1;
return;
}
dst->value = skb->sk->sk_sndtimeo / HZ;
dst->value = sk->sk_sndtimeo / HZ;
}
META_COLLECTOR(int_sk_sendmsg_off)
{
if (skip_nonlocal(skb)) {
const struct sock *sk = skb_to_full_sk(skb);
if (!sk) {
*err = -1;
return;
}
dst->value = skb->sk->sk_frag.offset;
dst->value = sk->sk_frag.offset;
}
META_COLLECTOR(int_sk_write_pend)
{
if (skip_nonlocal(skb)) {
const struct sock *sk = skb_to_full_sk(skb);
if (!sk) {
*err = -1;
return;
}
dst->value = skb->sk->sk_write_pending;
dst->value = sk->sk_write_pending;
}
/**************************************************************************