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authorArnaldo Carvalho de Melo <acme@mandriva.com>2005-08-21 04:33:48 -0400
committerDavid S. Miller <davem@sunset.davemloft.net>2005-08-29 19:03:25 -0400
commit2807d4ffb0dccb8f932c3e1701b6b6163153d333 (patch)
tree77379d35e53a7c531e78659e8244652b8c6635d5
parentc68e64cfb5ac675b002215b5659146b73d2e9d5d (diff)
[DCCP]: Fix seqno setting in dccp_v4_ctl_send_reset
Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--net/dccp/ipv4.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c
index cc5d60d9afa4..02ebf1f39f38 100644
--- a/net/dccp/ipv4.c
+++ b/net/dccp/ipv4.c
@@ -887,6 +887,7 @@ static void dccp_v4_ctl_send_reset(struct sk_buff *rxskb)
887 sizeof(struct dccp_hdr_reset); 887 sizeof(struct dccp_hdr_reset);
888 struct sk_buff *skb; 888 struct sk_buff *skb;
889 struct dst_entry *dst; 889 struct dst_entry *dst;
890 u64 seqno;
890 891
891 /* Never send a reset in response to a reset. */ 892 /* Never send a reset in response to a reset. */
892 if (rxdh->dccph_type == DCCP_PKT_RESET) 893 if (rxdh->dccph_type == DCCP_PKT_RESET)
@@ -920,7 +921,12 @@ static void dccp_v4_ctl_send_reset(struct sk_buff *rxskb)
920 dccp_hdr_reset(skb)->dccph_reset_code = 921 dccp_hdr_reset(skb)->dccph_reset_code =
921 DCCP_SKB_CB(rxskb)->dccpd_reset_code; 922 DCCP_SKB_CB(rxskb)->dccpd_reset_code;
922 923
923 dccp_hdr_set_seq(dh, DCCP_SKB_CB(rxskb)->dccpd_ack_seq); 924 /* See "8.3.1. Abnormal Termination" in draft-ietf-dccp-spec-11 */
925 seqno = 0;
926 if (DCCP_SKB_CB(rxskb)->dccpd_ack_seq != DCCP_PKT_WITHOUT_ACK_SEQ)
927 dccp_set_seqno(&seqno, DCCP_SKB_CB(rxskb)->dccpd_ack_seq + 1);
928
929 dccp_hdr_set_seq(dh, seqno);
924 dccp_hdr_set_ack(dccp_hdr_ack_bits(skb), 930 dccp_hdr_set_ack(dccp_hdr_ack_bits(skb),
925 DCCP_SKB_CB(rxskb)->dccpd_seq); 931 DCCP_SKB_CB(rxskb)->dccpd_seq);
926 932