Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: (109 commits)
  [ETHTOOL]: Fix UFO typo
  [SCTP]: Fix persistent slowdown in sctp when a gap ack consumes rx buffer.
  [SCTP]: Send only 1 window update SACK per message.
  [SCTP]: Don't do CRC32C checksum over loopback.
  [SCTP] Reset rtt_in_progress for the chunk when processing its sack.
  [SCTP]: Reject sctp packets with broadcast addresses.
  [SCTP]: Limit association max_retrans setting in setsockopt.
  [PFKEYV2]: Fix inconsistent typing in struct sadb_x_kmprivate.
  [IPV6]: Sum real space for RTAs.
  [IRDA]: Use put_unaligned() in irlmp_do_discovery().
  [BRIDGE]: Add support for NETIF_F_HW_CSUM devices
  [NET]: Add NETIF_F_GEN_CSUM and NETIF_F_ALL_CSUM
  [TG3]: Convert to non-LLTX
  [TG3]: Remove unnecessary tx_lock
  [TCP]: Add tcp_slow_start_after_idle sysctl.
  [BNX2]: Update version and reldate
  [BNX2]: Use CPU native page size
  [BNX2]: Use compressed firmware
  [BNX2]: Add firmware decompression
  [BNX2]: Allow WoL settings on new 5708 chips
  ...

Manual fixup for conflict in drivers/net/tulip/winbond-840.c

1 files changed, 17 insertions, 1 deletions

diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 672950e54c49..25ecc6e2478b 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -71,6 +71,7 @@
 #include <net/inet_common.h>
 #include <net/timewait_sock.h>
 #include <net/xfrm.h>
+#include <net/netdma.h>
 
 #include <linux/inet.h>
 #include <linux/ipv6.h>
@@ -1091,8 +1092,18 @@ process:
         bh_lock_sock(sk);
         ret = 0;
         if (!sock_owned_by_user(sk)) {
-                if (!tcp_prequeue(sk, skb))
+#ifdef CONFIG_NET_DMA
+                struct tcp_sock *tp = tcp_sk(sk);
+                if (!tp->ucopy.dma_chan && tp->ucopy.pinned_list)
+                        tp->ucopy.dma_chan = get_softnet_dma();
+                if (tp->ucopy.dma_chan)
                         ret = tcp_v4_do_rcv(sk, skb);
+                else
+#endif
+                {
+                        if (!tcp_prequeue(sk, skb))
+                        ret = tcp_v4_do_rcv(sk, skb);
+                }
         } else
                 sk_add_backlog(sk, skb);
         bh_unlock_sock(sk);
@@ -1296,6 +1307,11 @@ int tcp_v4_destroy_sock(struct sock *sk)
         /* Cleans up our, hopefully empty, out_of_order_queue. */
         __skb_queue_purge(&tp->out_of_order_queue);
 
+#ifdef CONFIG_NET_DMA
+        /* Cleans up our sk_async_wait_queue */
+        __skb_queue_purge(&sk->sk_async_wait_queue);
+#endif
+
         /* Clean prequeue, it must be empty really */
         __skb_queue_purge(&tp->ucopy.prequeue);