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In in_pcbconnect_setup() reduce code duplication and use ip_rtaddr()

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to find the outgoing interface for this connection.

Sponsored by:	TCP/IP Optimization Fundraise 2005
MFC after:	2 weeks
This commit is contained in:
Andre Oppermann 2006-02-16 15:45:28 +00:00
parent a4684d742d
commit cf744713e8
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=155759
1 changed files with 10 additions and 16 deletions
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26
sys/netinet/in_pcb.c
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@ -591,29 +591,23 @@ in_pcbconnect_setup(struct inpcb *inp, struct sockaddr *nam,
&in_ifaddrhead)->ia_broadaddr)->sin_addr;
}
if (laddr.s_addr == INADDR_ANY) {
struct route sro;
bzero(&sro, sizeof(sro));
ia = (struct in_ifaddr *)0;
/*
* If route is known our src addr is taken from the i/f,
* else punt.
*
* Find out route to destination
*/
if ((inp->inp_socket->so_options & SO_DONTROUTE) == 0) {
/* Find out route to destination */
sro.ro_dst.sa_family = AF_INET;
sro.ro_dst.sa_len = sizeof(struct sockaddr_in);
((struct sockaddr_in *)&sro.ro_dst)->sin_addr = faddr;
rtalloc_ign(&sro, RTF_CLONING);
}
if ((inp->inp_socket->so_options & SO_DONTROUTE) == 0)
ia = ip_rtaddr(faddr);
/*
* If we found a route, use the address
* corresponding to the outgoing interface.
* If we found a route, use the address corresponding to
* the outgoing interface.
*
* Otherwise assume faddr is reachable on a directly connected
* network and try to find a corresponding interface to take
* the source address from.
*/
if (sro.ro_rt) {
ia = ifatoia(sro.ro_rt->rt_ifa);
RTFREE(sro.ro_rt);
}
if (ia == 0) {
bzero(&sa, sizeof(sa));
sa.sin_addr = faddr;