lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

TCPCT part 1a: add request_values parameter for sending SYNACK

Browse Source 
Add optional function parameters associated with sending SYNACK.
These parameters are not needed after sending SYNACK, and are not
used for retransmission.  Avoids extending struct tcp_request_sock,
and avoids allocating kernel memory.

Also affects DCCP as it uses common struct request_sock_ops,
but this parameter is currently reserved for future use.

Signed-off-by: William.Allen.Simpson@gmail.com
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
William Allen Simpson
2009-12-02 18:07:39 +00:00
committed by David S. Miller
parent e00484023e
commit e6b4d11367
10 changed files with 42 additions and 33 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
net/dccp/ipv6.c
View File

@@ -241,7 +241,8 @@ out:
}
static int dccp_v6_send_response(struct sock *sk, struct request_sock *req)
static int dccp_v6_send_response(struct sock *sk, struct request_sock *req,
struct request_values *rv_unused)
{
struct inet6_request_sock *ireq6 = inet6_rsk(req);
struct ipv6_pinfo *np = inet6_sk(sk);
@@ -468,7 +469,7 @@ static int dccp_v6_conn_request(struct sock *sk, struct sk_buff *skb)
dreq->dreq_iss = dccp_v6_init_sequence(skb);
dreq->dreq_service = service;
if (dccp_v6_send_response(sk, req))
if (dccp_v6_send_response(sk, req, NULL))
goto drop_and_free;
inet6_csk_reqsk_queue_hash_add(sk, req, DCCP_TIMEOUT_INIT);