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| author | Arnaldo Carvalho de Melo <acme@mandriva.com> | 2005-12-13 23:16:16 -0800 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2006-01-03 13:10:40 -0800 |
| commit | 57cca05af1e20fdc65b55be52c042c234f86c866 (patch) | |
| tree | 43b18dca01340861e7ad392c0c2ce398a1c878fd /net/dccp/ipv4.c | |
| parent | af05dc9394feb193d221bc9d4c6db768facb4b40 (diff) | |
| download | linux-57cca05af1e20fdc65b55be52c042c234f86c866.tar.gz linux-57cca05af1e20fdc65b55be52c042c234f86c866.tar.bz2 linux-57cca05af1e20fdc65b55be52c042c234f86c866.zip | |
[DCCP]: Introduce dccp_ipv4_af_ops
And make the core DCCP code AF agnostic, just like TCP, now its time
to work on net/dccp/ipv6.c, we are close to the end!
Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/dccp/ipv4.c')
| -rw-r--r-- | net/dccp/ipv4.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c index 1ac3e30ae791..0ce7d0fe5ee7 100644 --- a/net/dccp/ipv4.c +++ b/net/dccp/ipv4.c @@ -607,6 +607,15 @@ out: sock_put(sk); } +/* This routine computes an IPv4 DCCP checksum. */ +static void dccp_v4_send_check(struct sock *sk, int len, struct sk_buff *skb) +{ + const struct inet_sock *inet = inet_sk(sk); + struct dccp_hdr *dh = dccp_hdr(skb); + + dh->dccph_checksum = dccp_v4_checksum(skb, inet->saddr, inet->daddr); +} + int dccp_v4_send_reset(struct sock *sk, enum dccp_reset_codes code) { struct sk_buff *skb; @@ -1195,6 +1204,19 @@ do_time_wait: goto no_dccp_socket; } +struct inet_connection_sock_af_ops dccp_ipv4_af_ops = { + .queue_xmit = ip_queue_xmit, + .send_check = dccp_v4_send_check, + .rebuild_header = inet_sk_rebuild_header, + .conn_request = dccp_v4_conn_request, + .syn_recv_sock = dccp_v4_request_recv_sock, + .net_header_len = sizeof(struct iphdr), + .setsockopt = ip_setsockopt, + .getsockopt = ip_getsockopt, + .addr2sockaddr = inet_csk_addr2sockaddr, + .sockaddr_len = sizeof(struct sockaddr_in), +}; + static int dccp_v4_init_sock(struct sock *sk) { struct dccp_sock *dp = dccp_sk(sk); @@ -1240,6 +1262,7 @@ static int dccp_v4_init_sock(struct sock *sk) inet_csk(sk)->icsk_rto = DCCP_TIMEOUT_INIT; sk->sk_state = DCCP_CLOSED; sk->sk_write_space = dccp_write_space; + inet_csk(sk)->icsk_af_ops = &dccp_ipv4_af_ops; dp->dccps_mss_cache = 536; dp->dccps_role = DCCP_ROLE_UNDEFINED; dp->dccps_service = DCCP_SERVICE_INVALID_VALUE; |