diff options
| author | Gerrit Renker <gerrit@erg.abdn.ac.uk> | 2006-11-10 16:29:14 -0200 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2006-12-02 21:22:04 -0800 |
| commit | d83ca5accb256de1b44835cd222bfdc3207bd7dc (patch) | |
| tree | c7be8b1f61d4403fe15bd279ecf9d52619134592 /net/dccp/ipv4.c | |
| parent | cf557926f6955b4c3fa55e81fdb3675e752e8eed (diff) | |
[DCCP]: Update code comments for Step 2/3
Sorts out the comments for processing steps 2,3 in section 8.5 of RFC 4340.
All comments have been updated against this document, and the reference to step
2 has been made consistent throughout the files.
Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk>
Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
Diffstat (limited to 'net/dccp/ipv4.c')
| -rw-r--r-- | net/dccp/ipv4.c | 38 |
1 files changed, 18 insertions, 20 deletions
diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c index d75ce8c7e488..91bffaa761a6 100644 --- a/net/dccp/ipv4.c +++ b/net/dccp/ipv4.c @@ -729,24 +729,23 @@ int dccp_v4_do_rcv(struct sock *sk, struct sk_buff *skb) /* * Step 3: Process LISTEN state - * If S.state == LISTEN, - * If P.type == Request or P contains a valid Init Cookie - * option, - * * Must scan the packet's options to check for an Init - * Cookie. Only the Init Cookie is processed here, - * however; other options are processed in Step 8. This - * scan need only be performed if the endpoint uses Init - * Cookies * - * * Generate a new socket and switch to that socket * - * Set S := new socket for this port pair - * S.state = RESPOND - * Choose S.ISS (initial seqno) or set from Init Cookie - * Set S.ISR, S.GSR, S.SWL, S.SWH from packet or Init Cookie - * Continue with S.state == RESPOND - * * A Response packet will be generated in Step 11 * - * Otherwise, - * Generate Reset(No Connection) unless P.type == Reset - * Drop packet and return + * If P.type == Request or P contains a valid Init Cookie option, + * (* Must scan the packet's options to check for Init + * Cookies. Only Init Cookies are processed here, + * however; other options are processed in Step 8. This + * scan need only be performed if the endpoint uses Init + * Cookies *) + * (* Generate a new socket and switch to that socket *) + * Set S := new socket for this port pair + * S.state = RESPOND + * Choose S.ISS (initial seqno) or set from Init Cookies + * Initialize S.GAR := S.ISS + * Set S.ISR, S.GSR, S.SWL, S.SWH from packet or Init Cookies + * Continue with S.state == RESPOND + * (* A Response packet will be generated in Step 11 *) + * Otherwise, + * Generate Reset(No Connection) unless P.type == Reset + * Drop packet and return * * NOTE: the check for the packet types is done in * dccp_rcv_state_process @@ -887,8 +886,6 @@ static int dccp_v4_rcv(struct sk_buff *skb) /* * Step 2: * If no socket ... - * Generate Reset(No Connection) unless P.type == Reset - * Drop packet and return */ if (sk == NULL) { dccp_pr_debug("failed to look up flow ID in table and " @@ -919,6 +916,7 @@ no_dccp_socket: goto discard_it; /* * Step 2: + * If no socket ... * Generate Reset(No Connection) unless P.type == Reset * Drop packet and return */ |