[DCCP]: Update code comments for Step 2/3

[linux-2.6] / net / dccp / input.c

diff --git a/net/dccp/input.c b/net/dccp/input.c
index 1d24881ac0abc49ab1f3d35fd5a8b850daed6bad..97ccdc30fd892ada17b42adf0b9c35517778f5e5 100644 (file)
--- a/net/dccp/input.c
+++ b/net/dccp/input.c
@@ -431,29 +431,25 @@ int dccp_rcv_state_process(struct sock *sk, struct sk_buff *skb,
 
        /*
         *  Step 3: Process LISTEN state
-        *      (Continuing from dccp_v4_do_rcv and dccp_v6_do_rcv)
         *
         *     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
-        *
-        * NOTE: the check for the packet types is done in
-        *       dccp_rcv_state_process
+        *       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
         */
        if (sk->sk_state == DCCP_LISTEN) {
                if (dh->dccph_type == DCCP_PKT_REQUEST) {