diff options
Diffstat (limited to 'net/ipv4/tcp.c')
| -rw-r--r-- | net/ipv4/tcp.c | 16 |
1 files changed, 5 insertions, 11 deletions
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index f28acf11fc67..ce572f9dff02 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -580,10 +580,6 @@ ssize_t tcp_splice_read(struct socket *sock, loff_t *ppos, else if (!ret) { if (spliced) break; - if (flags & SPLICE_F_NONBLOCK) { - ret = -EAGAIN; - break; - } if (sock_flag(sk, SOCK_DONE)) break; if (sk->sk_err) { @@ -1317,7 +1313,7 @@ int tcp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg, if ((available < target) && (len > sysctl_tcp_dma_copybreak) && !(flags & MSG_PEEK) && !sysctl_tcp_low_latency && - __get_cpu_var(softnet_data).net_dma) { + dma_find_channel(DMA_MEMCPY)) { preempt_enable_no_resched(); tp->ucopy.pinned_list = dma_pin_iovec_pages(msg->msg_iov, len); @@ -1527,7 +1523,7 @@ do_prequeue: if (!(flags & MSG_TRUNC)) { #ifdef CONFIG_NET_DMA if (!tp->ucopy.dma_chan && tp->ucopy.pinned_list) - tp->ucopy.dma_chan = get_softnet_dma(); + tp->ucopy.dma_chan = dma_find_channel(DMA_MEMCPY); if (tp->ucopy.dma_chan) { tp->ucopy.dma_cookie = dma_skb_copy_datagram_iovec( @@ -1632,7 +1628,6 @@ skip_copy: /* Safe to free early-copied skbs now */ __skb_queue_purge(&sk->sk_async_wait_queue); - dma_chan_put(tp->ucopy.dma_chan); tp->ucopy.dma_chan = NULL; } if (tp->ucopy.pinned_list) { @@ -2519,9 +2514,7 @@ found: flush |= memcmp(th + 1, th2 + 1, thlen - sizeof(*th)); total = p->len; - mss = total; - if (skb_shinfo(p)->frag_list) - mss = skb_shinfo(p)->frag_list->len; + mss = skb_shinfo(p)->gso_size; flush |= skb->len > mss || skb->len <= 0; flush |= ntohl(th2->seq) + total != ntohl(th->seq); @@ -2548,6 +2541,7 @@ out: return pp; } +EXPORT_SYMBOL(tcp_gro_receive); int tcp_gro_complete(struct sk_buff *skb) { @@ -2557,7 +2551,6 @@ int tcp_gro_complete(struct sk_buff *skb) skb->csum_offset = offsetof(struct tcphdr, check); skb->ip_summed = CHECKSUM_PARTIAL; - skb_shinfo(skb)->gso_size = skb_shinfo(skb)->frag_list->len; skb_shinfo(skb)->gso_segs = NAPI_GRO_CB(skb)->count; if (th->cwr) @@ -2565,6 +2558,7 @@ int tcp_gro_complete(struct sk_buff *skb) return 0; } +EXPORT_SYMBOL(tcp_gro_complete); #ifdef CONFIG_TCP_MD5SIG static unsigned long tcp_md5sig_users; |