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[DCCP]: More precisely set reset_code when sending RESET packets

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Moving the setting of DCCP_SKB_CB(skb)->dccpd_reset_code to the places
where events happen that trigger sending a RESET packet.

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
2005-09-16 16:58:33 -07:00
committed by David S. Miller
parent 37f7f421cc
commit 0c10c5d968
2 changed files with 18 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
net/dccp/ipv4.c
View File

@@ -669,12 +669,16 @@ int dccp_v4_conn_request(struct sock *sk, struct sk_buff *skb)
struct dccp_request_sock *dreq;
const __u32 saddr = skb->nh.iph->saddr;
const __u32 daddr = skb->nh.iph->daddr;
struct dccp_skb_cb *dcb = DCCP_SKB_CB(skb);
__u8 reset_code = DCCP_RESET_CODE_TOO_BUSY;
struct dst_entry *dst = NULL;
/* Never answer to DCCP_PKT_REQUESTs send to broadcast or multicast */
if (((struct rtable *)skb->dst)->rt_flags &
(RTCF_BROADCAST | RTCF_MULTICAST))
(RTCF_BROADCAST | RTCF_MULTICAST)) {
reset_code = DCCP_RESET_CODE_NO_CONNECTION;
goto drop;
}
/*
* TW buckets are converted to open requests without
@@ -718,7 +722,7 @@ int dccp_v4_conn_request(struct sock *sk, struct sk_buff *skb)
* dccp_create_openreq_child.
*/
dreq = dccp_rsk(req);
dreq->dreq_isr = DCCP_SKB_CB(skb)->dccpd_seq;
dreq->dreq_isr = dcb->dccpd_seq;
dreq->dreq_iss = dccp_v4_init_sequence(sk, skb);
dreq->dreq_service = dccp_hdr_request(skb)->dccph_req_service;
@@ -735,6 +739,7 @@ drop_and_free:
__reqsk_free(req);
drop:
DCCP_INC_STATS_BH(DCCP_MIB_ATTEMPTFAILS);
dcb->dccpd_reset_code = reset_code;
return -1;
}
@@ -1005,7 +1010,6 @@ int dccp_v4_do_rcv(struct sock *sk, struct sk_buff *skb)
return 0;
reset:
DCCP_SKB_CB(skb)->dccpd_reset_code = DCCP_RESET_CODE_NO_CONNECTION;
dccp_v4_ctl_send_reset(skb);
discard:
kfree_skb(skb);