diff options
| author | Eric Dumazet <edumazet@google.com> | 2014-01-06 09:36:12 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-01-06 16:34:34 -0500 |
| commit | 996b175e39ed42ec2aa0c63b4a03cc500aa6269f (patch) | |
| tree | ef8eb180ad164a68c56189632619e79b2bb7b62f /include/linux/tcp.h | |
| parent | 0b23810d8c37a707abb076394c4bca76362cf06d (diff) | |
| download | lwn-996b175e39ed42ec2aa0c63b4a03cc500aa6269f.tar.gz lwn-996b175e39ed42ec2aa0c63b4a03cc500aa6269f.zip | |
tcp: out_of_order_queue do not use its lock
TCP out_of_order_queue lock is not used, as queue manipulation
happens with socket lock held and we therefore use the lockless
skb queue routines (as __skb_queue_head())
We can use __skb_queue_head_init() instead of skb_queue_head_init()
to make this more consistent.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/tcp.h')
| -rw-r--r-- | include/linux/tcp.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/include/linux/tcp.h b/include/linux/tcp.h index d68633452d9b..4ad0706d40eb 100644 --- a/include/linux/tcp.h +++ b/include/linux/tcp.h @@ -248,7 +248,10 @@ struct tcp_sock { struct sk_buff* lost_skb_hint; struct sk_buff *retransmit_skb_hint; - struct sk_buff_head out_of_order_queue; /* Out of order segments go here */ + /* OOO segments go in this list. Note that socket lock must be held, + * as we do not use sk_buff_head lock. + */ + struct sk_buff_head out_of_order_queue; /* SACKs data, these 2 need to be together (see tcp_options_write) */ struct tcp_sack_block duplicate_sack[1]; /* D-SACK block */ |