diff options
| author | Chris Leech | 2006-05-23 18:01:28 -0700 |
|---|---|---|
| committer | David S. Miller | 2006-06-17 21:25:52 -0700 |
| commit | 624d1164730d58a494cc5aa4afa37d02c41e83a7 (patch) | |
| tree | b6cc0776a826f8f2611eff41149410c7f4ccb355 | |
| parent | 0e4b4992b8007c6b62ec143cbbb292f98813ca11 (diff) | |
[I/OAT]: Make sk_eat_skb I/OAT aware.
Add an extra argument to sk_eat_skb, and make it move early copied
packets to the async_wait_queue instead of freeing them.
Signed-off-by: Chris Leech <christopher.leech@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | include/net/sock.h | 13 | ||||
| -rw-r--r-- | net/dccp/proto.c | 4 | ||||
| -rw-r--r-- | net/ipv4/tcp.c | 8 | ||||
| -rw-r--r-- | net/llc/af_llc.c | 2 |
4 files changed, 19 insertions, 8 deletions
diff --git a/include/net/sock.h b/include/net/sock.h index 90c65cb091a8..75b0e97ed93d 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -1273,11 +1273,22 @@ sock_recv_timestamp(struct msghdr *msg, struct sock *sk, struct sk_buff *skb) * This routine must be called with interrupts disabled or with the socket * locked so that the sk_buff queue operation is ok. */ -static inline void sk_eat_skb(struct sock *sk, struct sk_buff *skb) +#ifdef CONFIG_NET_DMA +static inline void sk_eat_skb(struct sock *sk, struct sk_buff *skb, int copied_early) +{ + __skb_unlink(skb, &sk->sk_receive_queue); + if (!copied_early) + __kfree_skb(skb); + else + __skb_queue_tail(&sk->sk_async_wait_queue, skb); +} +#else +static inline void sk_eat_skb(struct sock *sk, struct sk_buff *skb, int copied_early) { __skb_unlink(skb, &sk->sk_receive_queue); __kfree_skb(skb); } +#endif extern void sock_enable_timestamp(struct sock *sk); extern int sock_get_timestamp(struct sock *, struct timeval __user *); diff --git a/net/dccp/proto.c b/net/dccp/proto.c index 2e0ee8355c41..5317fd3e6691 100644 --- a/net/dccp/proto.c +++ b/net/dccp/proto.c @@ -719,7 +719,7 @@ int dccp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg, } dccp_pr_debug("packet_type=%s\n", dccp_packet_name(dh->dccph_type)); - sk_eat_skb(sk, skb); + sk_eat_skb(sk, skb, 0); verify_sock_status: if (sock_flag(sk, SOCK_DONE)) { len = 0; @@ -773,7 +773,7 @@ verify_sock_status: } found_fin_ok: if (!(flags & MSG_PEEK)) - sk_eat_skb(sk, skb); + sk_eat_skb(sk, skb, 0); break; } while (1); out: diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 1c0cfd7a8bbb..4e067d25a63c 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -1072,11 +1072,11 @@ int tcp_read_sock(struct sock *sk, read_descriptor_t *desc, break; } if (skb->h.th->fin) { - sk_eat_skb(sk, skb); + sk_eat_skb(sk, skb, 0); ++seq; break; } - sk_eat_skb(sk, skb); + sk_eat_skb(sk, skb, 0); if (!desc->count) break; } @@ -1356,14 +1356,14 @@ skip_copy: if (skb->h.th->fin) goto found_fin_ok; if (!(flags & MSG_PEEK)) - sk_eat_skb(sk, skb); + sk_eat_skb(sk, skb, 0); continue; found_fin_ok: /* Process the FIN. */ ++*seq; if (!(flags & MSG_PEEK)) - sk_eat_skb(sk, skb); + sk_eat_skb(sk, skb, 0); break; } while (len > 0); diff --git a/net/llc/af_llc.c b/net/llc/af_llc.c index 5a04db745c8d..7465170a36ca 100644 --- a/net/llc/af_llc.c +++ b/net/llc/af_llc.c @@ -789,7 +789,7 @@ static int llc_ui_recvmsg(struct kiocb *iocb, struct socket *sock, continue; if (!(flags & MSG_PEEK)) { - sk_eat_skb(sk, skb); + sk_eat_skb(sk, skb, 0); *seq = 0; } } while (len > 0); |