diff options
| author | Arnaldo Carvalho de Melo <acme@mandriva.com> | 2005-08-21 05:33:48 -0300 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2005-08-29 16:03:25 -0700 |
| commit | 2807d4ffb0dccb8f932c3e1701b6b6163153d333 (patch) | |
| tree | 77379d35e53a7c531e78659e8244652b8c6635d5 /net | |
| parent | c68e64cfb5ac675b002215b5659146b73d2e9d5d (diff) | |
| download | linux-2807d4ffb0dccb8f932c3e1701b6b6163153d333.tar.bz2 | |
[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>
Diffstat (limited to 'net')
| -rw-r--r-- | net/dccp/ipv4.c | 8 |
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) sizeof(struct dccp_hdr_reset); struct sk_buff *skb; struct dst_entry *dst; + u64 seqno; /* Never send a reset in response to a reset. */ if (rxdh->dccph_type == DCCP_PKT_RESET) @@ -920,7 +921,12 @@ static void dccp_v4_ctl_send_reset(struct sk_buff *rxskb) dccp_hdr_reset(skb)->dccph_reset_code = DCCP_SKB_CB(rxskb)->dccpd_reset_code; - dccp_hdr_set_seq(dh, DCCP_SKB_CB(rxskb)->dccpd_ack_seq); + /* See "8.3.1. Abnormal Termination" in draft-ietf-dccp-spec-11 */ + seqno = 0; + if (DCCP_SKB_CB(rxskb)->dccpd_ack_seq != DCCP_PKT_WITHOUT_ACK_SEQ) + dccp_set_seqno(&seqno, DCCP_SKB_CB(rxskb)->dccpd_ack_seq + 1); + + dccp_hdr_set_seq(dh, seqno); dccp_hdr_set_ack(dccp_hdr_ack_bits(skb), DCCP_SKB_CB(rxskb)->dccpd_seq); |