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authorArnaldo Carvalho de Melo <acme@mandriva.com>2005-08-17 03:10:59 -0300
committerDavid S. Miller <davem@sunset.davemloft.net>2005-08-29 16:01:50 -0700
commite92ae93a8aa66aea12935420cb22d4df1c18d023 (patch)
tree61ffc292a8e437f7d44bbfe00c4e052f7488dd25 /net/dccp/ipv4.c
parentba602a816132dcc66e875dddf2c62512a9f6f8cb (diff)
[DCCP]: Send SYNCACK packets in response to SYNC packets
Also fix step 6 when receiving SYNC or SYNCACK packets, i.e. we were not using the updated swl. Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/dccp/ipv4.c')
-rw-r--r--net/dccp/ipv4.c18
1 files changed, 10 insertions, 8 deletions
diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c
index bc3cfc0533c..335e00e9631 100644
--- a/net/dccp/ipv4.c
+++ b/net/dccp/ipv4.c
@@ -376,7 +376,7 @@ static inline void dccp_do_pmtu_discovery(struct sock *sk,
* probing, since DCCP-Sync probes do not risk application
* data loss.
*/
- dccp_send_sync(sk, dp->dccps_gsr);
+ dccp_send_sync(sk, dp->dccps_gsr, DCCP_PKT_SYNC);
} /* else let the usual retransmit timer handle it */
}
@@ -1008,7 +1008,7 @@ static inline int dccp_invalid_packet(struct sk_buff *skb)
return 1;
if (!pskb_may_pull(skb, sizeof(struct dccp_hdr))) {
- dccp_pr_debug("pskb_may_pull failed\n");
+ printk(KERN_WARNING "DCCP: pskb_may_pull failed\n");
return 1;
}
@@ -1016,7 +1016,7 @@ static inline int dccp_invalid_packet(struct sk_buff *skb)
/* If the packet type is not understood, drop packet and return */
if (dh->dccph_type >= DCCP_PKT_INVALID) {
- dccp_pr_debug("invalid packet type\n");
+ printk(KERN_WARNING "DCCP: invalid packet type\n");
return 1;
}
@@ -1025,12 +1025,13 @@ static inline int dccp_invalid_packet(struct sk_buff *skb)
* packet, drop packet and return
*/
if (dh->dccph_doff < dccp_hdr_len(skb) / sizeof(u32)) {
- dccp_pr_debug("Offset(%u) too small 1\n", dh->dccph_doff);
+ printk(KERN_WARNING "DCCP: Offset(%u) too small 1\n",
+ dh->dccph_doff);
return 1;
}
if (!pskb_may_pull(skb, dh->dccph_doff * sizeof(u32))) {
- dccp_pr_debug("P.Data Offset(%u) too small 2\n",
+ printk(KERN_WARNING "DCCP: P.Data Offset(%u) too small 2\n",
dh->dccph_doff);
return 1;
}
@@ -1045,15 +1046,16 @@ static inline int dccp_invalid_packet(struct sk_buff *skb)
dh->dccph_type != DCCP_PKT_DATA &&
dh->dccph_type != DCCP_PKT_ACK &&
dh->dccph_type != DCCP_PKT_DATAACK) {
- dccp_pr_debug("P.type (%s) not Data, Ack nor DataAck and "
- "P.X == 0\n", dccp_packet_name(dh->dccph_type));
+ printk(KERN_WARNING "DCCP: P.type (%s) not Data, Ack nor "
+ "DataAck and P.X == 0\n",
+ dccp_packet_name(dh->dccph_type));
return 1;
}
/* If the header checksum is incorrect, drop packet and return */
if (dccp_v4_verify_checksum(skb, skb->nh.iph->saddr,
skb->nh.iph->daddr) < 0) {
- dccp_pr_debug("header checksum is incorrect\n");
+ printk(KERN_WARNING "DCCP: header checksum is incorrect\n");
return 1;
}