ipv4: dccp: handle ICMP messages on DCCP_NEW_SYN_RECV request sockets

dccp_v4_err() can restrict lookups to ehash table, and not to listeners.

Note this patch creates the infrastructure, but this means that ICMP
messages for request sockets are ignored until complete conversion.

New dccp_req_err() helper is exported so that we can use it in IPv6
in following patch.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2015-03-22 10:22:24 -07:00 committed by David S. Miller
parent 2215089b22
commit 85645bab57
3 changed files with 37 additions and 36 deletions

View file

@ -43,6 +43,7 @@ enum dccp_state {
DCCP_CLOSING = TCP_CLOSING,
DCCP_TIME_WAIT = TCP_TIME_WAIT,
DCCP_CLOSED = TCP_CLOSE,
DCCP_NEW_SYN_RECV = TCP_NEW_SYN_RECV,
DCCP_PARTOPEN = TCP_MAX_STATES,
DCCP_PASSIVE_CLOSEREQ, /* clients receiving CloseReq */
DCCP_MAX_STATES
@ -57,6 +58,7 @@ enum {
DCCPF_CLOSING = TCPF_CLOSING,
DCCPF_TIME_WAIT = TCPF_TIME_WAIT,
DCCPF_CLOSED = TCPF_CLOSE,
DCCPF_NEW_SYN_RECV = TCPF_NEW_SYN_RECV,
DCCPF_PARTOPEN = (1 << DCCP_PARTOPEN),
};