From 37c3185a02d4b85fbe134bf5204535405dd2c957 Mon Sep 17 00:00:00 2001 From: Herbert Xu Date: Thu, 22 Jun 2006 03:07:29 -0700 Subject: [NET]: Added GSO toggle This patch adds a generic segmentation offload toggle that can be turned on/off for each net device. For now it only supports in TCPv4. Signed-off-by: Herbert Xu Signed-off-by: David S. Miller --- include/net/sock.h | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'include/net') diff --git a/include/net/sock.h b/include/net/sock.h index d10dfecb6cb..a897f05de3b 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -1030,9 +1030,13 @@ static inline void sk_setup_caps(struct sock *sk, struct dst_entry *dst) { __sk_dst_set(sk, dst); sk->sk_route_caps = dst->dev->features; + if (sk->sk_route_caps & NETIF_F_GSO) + sk->sk_route_caps |= NETIF_F_TSO; if (sk->sk_route_caps & NETIF_F_TSO) { if (sock_flag(sk, SOCK_NO_LARGESEND) || dst->header_len) sk->sk_route_caps &= ~NETIF_F_TSO; + else + sk->sk_route_caps |= NETIF_F_SG | NETIF_F_HW_CSUM; } } -- cgit v1.2.3