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rps: Add flag to skb to indicate rxhash is based on L4 tuple

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The l4_rxhash flag was added to the skb structure to indicate
that the rxhash value was computed over the 4 tuple for the
packet which includes the port information in the encapsulated
transport packet.  This is used by the stack to preserve the
rxhash value in __skb_rx_tunnel.

Signed-off-by: Tom Herbert <therbert@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Tom Herbert 2011-08-14 19:45:55 +00:00 • committed by David S. Miller
parent 792df22cd0
commit bdeab99191
9 changed files with 39 additions and 19 deletions
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4
net/ipv4/udp.c
View file

@ -1267,7 +1267,7 @@ int udp_disconnect(struct sock *sk, int flags)
sk->sk_state = TCP_CLOSE;
inet->inet_daddr = 0;
inet->inet_dport = 0;
sock_rps_save_rxhash(sk, 0);
sock_rps_reset_rxhash(sk);
sk->sk_bound_dev_if = 0;
if (!(sk->sk_userlocks & SOCK_BINDADDR_LOCK))
inet_reset_saddr(sk);
@ -1355,7 +1355,7 @@ static int __udp_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
int rc;
if (inet_sk(sk)->inet_daddr)
sock_rps_save_rxhash(sk, skb->rxhash);
sock_rps_save_rxhash(sk, skb);
rc = ip_queue_rcv_skb(sk, skb);
if (rc < 0) {