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tcp: bring comment for tcp_connect() up to date

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We no longer use in_pcbbind() since 2510235150.  The comment about
truncating old TIME-WAIT describes a code that had been removed back
in 2004 in c94c54e4df.
This commit is contained in:
Gleb Smirnoff 2023-02-03 11:33:36 -08:00
parent a9d22cce10
commit a9afe0864f
1 changed files with 3 additions and 7 deletions
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10
sys/netinet/tcp_usrreq.c
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@ -1387,13 +1387,9 @@ struct protosw tcp6_protosw = {
#ifdef INET
/*
* Common subroutine to open a TCP connection to remote host specified
* by struct sockaddr_in in mbuf *nam. Call in_pcbbind to assign a local
* port number if needed. Call in_pcbconnect_setup to do the routing and
* to choose a local host address (interface). If there is an existing
* incarnation of the same connection in TIME-WAIT state and if the remote
* host was sending CC options and if the connection duration was < MSL, then
* truncate the previous TIME-WAIT state and proceed.
* Initialize connection parameters and enter SYN-SENT state.
* by struct sockaddr_in. Call in_pcbconnect_setup() to choose local
* host address and assign a local port number if needed. Initialize
* connection parameters and enter SYN-SENT state.
*/
static int
tcp_connect(struct tcpcb *tp, struct sockaddr_in *sin, struct thread *td)