diff options
| 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/output.c | |
| parent | af05dc9394feb193d221bc9d4c6db768facb4b40 (diff) | |
[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/output.c')
| -rw-r--r-- | net/dccp/output.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/net/dccp/output.c b/net/dccp/output.c index 74ff87025878..f35880503bb8 100644 --- a/net/dccp/output.c +++ b/net/dccp/output.c @@ -43,6 +43,7 @@ static int dccp_transmit_skb(struct sock *sk, struct sk_buff *skb) { if (likely(skb != NULL)) { const struct inet_sock *inet = inet_sk(sk); + const struct inet_connection_sock *icsk = inet_csk(sk); struct dccp_sock *dp = dccp_sk(sk); struct dccp_skb_cb *dcb = DCCP_SKB_CB(skb); struct dccp_hdr *dh; @@ -108,8 +109,7 @@ static int dccp_transmit_skb(struct sock *sk, struct sk_buff *skb) break; } - dh->dccph_checksum = dccp_v4_checksum(skb, inet->saddr, - inet->daddr); + icsk->icsk_af_ops->send_check(sk, skb->len, skb); if (set_ack) dccp_event_ack_sent(sk); @@ -117,7 +117,7 @@ static int dccp_transmit_skb(struct sock *sk, struct sk_buff *skb) DCCP_INC_STATS(DCCP_MIB_OUTSEGS); memset(&(IPCB(skb)->opt), 0, sizeof(IPCB(skb)->opt)); - err = ip_queue_xmit(skb, 0); + err = icsk->icsk_af_ops->queue_xmit(skb, 0); if (err <= 0) return err; @@ -135,16 +135,14 @@ static int dccp_transmit_skb(struct sock *sk, struct sk_buff *skb) unsigned int dccp_sync_mss(struct sock *sk, u32 pmtu) { struct dccp_sock *dp = dccp_sk(sk); - int mss_now; - /* * FIXME: we really should be using the af_specific thing to support * IPv6. * mss_now = pmtu - tp->af_specific->net_header_len - * sizeof(struct dccp_hdr) - sizeof(struct dccp_hdr_ext); */ - mss_now = pmtu - sizeof(struct iphdr) - sizeof(struct dccp_hdr) - - sizeof(struct dccp_hdr_ext); + int mss_now = (pmtu - inet_csk(sk)->icsk_af_ops->net_header_len - + sizeof(struct dccp_hdr) - sizeof(struct dccp_hdr_ext)); /* Now subtract optional transport overhead */ mss_now -= dp->dccps_ext_header_len; @@ -266,7 +264,7 @@ int dccp_write_xmit(struct sock *sk, struct sk_buff *skb, long *timeo) int dccp_retransmit_skb(struct sock *sk, struct sk_buff *skb) { - if (inet_sk_rebuild_header(sk) != 0) + if (inet_csk(sk)->icsk_af_ops->rebuild_header(sk) != 0) return -EHOSTUNREACH; /* Routing failure or similar. */ return dccp_transmit_skb(sk, (skb_cloned(skb) ? |