lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

net: Introduce sk_tx_queue_mapping

Browse Source 
Introduce sk_tx_queue_mapping; and functions that set, test and
get this value. Reset sk_tx_queue_mapping to -1 whenever the dst
cache is set/reset, and in socket alloc. Setting txq to -1 and
using valid txq=<0 to n-1> allows the tx path to use the value
of sk_tx_queue_mapping directly instead of subtracting 1 on every
tx.

Signed-off-by: Krishna Kumar <krkumar2@in.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Krishna Kumar
2009-10-19 23:46:20 +00:00
committed by David S. Miller
parent 748879776e
commit e022f0b4a0
2 changed files with 30 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
net/core/sock.c
View File

@@ -357,6 +357,7 @@ struct dst_entry *__sk_dst_check(struct sock *sk, u32 cookie)
struct dst_entry *dst = sk->sk_dst_cache;
if (dst && dst->obsolete && dst->ops->check(dst, cookie) == NULL) {
sk_tx_queue_clear(sk);
sk->sk_dst_cache = NULL;
dst_release(dst);
return NULL;
@@ -953,7 +954,8 @@ static void sock_copy(struct sock *nsk, const struct sock *osk)
void *sptr = nsk->sk_security;
#endif
BUILD_BUG_ON(offsetof(struct sock, sk_copy_start) !=
sizeof(osk->sk_node) + sizeof(osk->sk_refcnt));
sizeof(osk->sk_node) + sizeof(osk->sk_refcnt) +
sizeof(osk->sk_tx_queue_mapping));
memcpy(&nsk->sk_copy_start, &osk->sk_copy_start,
osk->sk_prot->obj_size - offsetof(struct sock, sk_copy_start));
#ifdef CONFIG_SECURITY_NETWORK
@@ -997,6 +999,7 @@ static struct sock *sk_prot_alloc(struct proto *prot, gfp_t priority,
if (!try_module_get(prot->owner))
goto out_free_sec;
sk_tx_queue_clear(sk);
}
return sk;