diff options
| author | Ben Hutchings <bhutchings@solarflare.com> | 2012-07-30 16:11:42 +0000 |
|---|---|---|
| committer | Ben Hutchings <ben@decadent.org.uk> | 2012-09-19 15:04:46 +0100 |
| commit | 9f871e883277cc22c6217db806376dce52401a31 (patch) | |
| tree | 91729c13ca26cfc31affbcd952547384204e396f /net/core/sock.c | |
| parent | 68cb695ccecf949d48949e72f8ce591fdaaa325c (diff) | |
tcp: Apply device TSO segment limit earlier
[ Upstream commit 1485348d2424e1131ea42efc033cbd9366462b01 ]
Cache the device gso_max_segs in sock::sk_gso_max_segs and use it to
limit the size of TSO skbs. This avoids the need to fall back to
software GSO for local TCP senders.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Diffstat (limited to 'net/core/sock.c')
| -rw-r--r-- | net/core/sock.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/net/core/sock.c b/net/core/sock.c index 8d095b918e8c..018fd41cfb0d 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -1308,6 +1308,7 @@ void sk_setup_caps(struct sock *sk, struct dst_entry *dst) } else { sk->sk_route_caps |= NETIF_F_SG | NETIF_F_HW_CSUM; sk->sk_gso_max_size = dst->dev->gso_max_size; + sk->sk_gso_max_segs = dst->dev->gso_max_segs; } } } |