| commit | 39bb5e62867de82b269b07df900165029b928359 | |
| author | Eric Dumazet <edumazet@google.com> | |
| Thu, 30 Oct 2014 17:32:34 +0000 (30 10:32 -0700) | ||
| committer | David S. Miller <davem@davemloft.net> | |
| Thu, 30 Oct 2014 23:58:30 +0000 (30 19:58 -0400) | ||
| tree | f0cbefb0eee4eda2697c4e2fd6e0ad3ee7331f43 | treesnapshot (tar.gz zip) |
| parent | 14051f0452a2c26a3f4791e6ad6a435e8f1945ff | commitdiff |
net: skb_fclone_busy() needs to detect orphaned skb
Some drivers are unable to perform TX completions in a bound time.
They instead call skb_orphan()
Problem is skb_fclone_busy() has to detect this case, otherwise
we block TCP retransmits and can freeze unlucky tcp sessions on
mostly idle hosts.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Fixes: 1f3279ae0c13 ("tcp: avoid retransmits of TCP packets hanging in host queues")
Signed-off-by: David S. Miller <davem@davemloft.net>
Some drivers are unable to perform TX completions in a bound time.
They instead call skb_orphan()
Problem is skb_fclone_busy() has to detect this case, otherwise
we block TCP retransmits and can freeze unlucky tcp sessions on
mostly idle hosts.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Fixes: 1f3279ae0c13 ("tcp: avoid retransmits of TCP packets hanging in host queues")
Signed-off-by: David S. Miller <davem@davemloft.net>
| include/linux/skbuff.h | diffblobblamehistory | |
| net/ipv4/tcp_output.c | diffblobblamehistory | |
| net/xfrm/xfrm_policy.c | diffblobblamehistory |