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[DCCP]: Generalize dccp_v4_send_reset

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Renaming it to dccp_send_reset and moving it from the ipv4 specific
code to the core dccp code.

This fixes some bugs in IPV6 where timers would send v4 resets, etc.

Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Arnaldo Carvalho de Melo
2006-03-20 19:25:24 -08:00
committed by David S. Miller
parent e55d912f5b
commit 017487d7d1
5 changed files with 28 additions and 38 deletions
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30
net/dccp/output.c
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@@ -323,8 +323,8 @@ struct sk_buff *dccp_make_response(struct sock *sk, struct dst_entry *dst,
EXPORT_SYMBOL_GPL(dccp_make_response);
struct sk_buff *dccp_make_reset(struct sock *sk, struct dst_entry *dst,
const enum dccp_reset_codes code)
static struct sk_buff *dccp_make_reset(struct sock *sk, struct dst_entry *dst,
const enum dccp_reset_codes code)
{
struct dccp_hdr *dh;
@@ -366,14 +366,34 @@ struct sk_buff *dccp_make_reset(struct sock *sk, struct dst_entry *dst,
dccp_hdr_set_ack(dccp_hdr_ack_bits(skb), dp->dccps_gsr);
dccp_hdr_reset(skb)->dccph_reset_code = code;
dh->dccph_checksum = dccp_v4_checksum(skb, inet_sk(sk)->saddr,
inet_sk(sk)->daddr);
inet_csk(sk)->icsk_af_ops->send_check(sk, skb->len, skb);
DCCP_INC_STATS(DCCP_MIB_OUTSEGS);
return skb;
}
int dccp_send_reset(struct sock *sk, enum dccp_reset_codes code)
{
/*
* FIXME: what if rebuild_header fails?
* Should we be doing a rebuild_header here?
*/
int err = inet_sk_rebuild_header(sk);
if (err == 0) {
struct sk_buff *skb = dccp_make_reset(sk, sk->sk_dst_cache,
code);
if (skb != NULL) {
memset(&(IPCB(skb)->opt), 0, sizeof(IPCB(skb)->opt));
err = inet_csk(sk)->icsk_af_ops->queue_xmit(skb, 0);
if (err == NET_XMIT_CN)
err = 0;
}
}
return err;
}
/*
* Do all connect socket setups that can be done AF independent.
*/