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Add SO_SETFIB option support on PF_INET6 sockets and allow inheriting the

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FIB number from the process, as set by setfib(2), on socket creation.

Sponsored by:	Cisco Systems, Inc.
This commit is contained in:
Bjoern A. Zeeb 2012-02-03 11:00:53 +00:00
parent 096f27864f
commit ee799639e8
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/projects/multi-fibv6/head/; revision=230938
3 changed files with 20 additions and 2 deletions
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4
sys/kern/uipc_socket.c
View File

@ -392,6 +392,7 @@ socreate(int dom, struct socket **aso, int type, int proto,
so->so_type = type;
so->so_cred = crhold(cred);
if ((prp->pr_domain->dom_family == PF_INET) ||
(prp->pr_domain->dom_family == PF_INET6) ||
(prp->pr_domain->dom_family == PF_ROUTE))
so->so_fibnum = td->td_proc->p_fibnum;
else
@ -2498,12 +2499,13 @@ sosetopt(struct socket *so, struct sockopt *sopt)
case SO_SETFIB:
error = sooptcopyin(sopt, &optval, sizeof optval,
sizeof optval);
if (optval < 0 || optval > rt_numfibs) {
if (optval < 0 || optval >= rt_numfibs) {
error = EINVAL;
goto bad;
}
if (so->so_proto != NULL &&
((so->so_proto->pr_domain->dom_family == PF_INET) ||
(so->so_proto->pr_domain->dom_family == PF_INET6) ||
(so->so_proto->pr_domain->dom_family == PF_ROUTE))) {
so->so_fibnum = optval;
/* Note: ignore error */

6
sys/netinet6/ip6_output.c
View File

@ -1448,6 +1448,12 @@ ip6_ctloutput(struct socket *so, struct sockopt *sopt)
INP_WUNLOCK(in6p);
error = 0;
break;
case SO_SETFIB:
INP_WLOCK(in6p);
in6p->inp_inc.inc_fibnum = so->so_fibnum;
INP_WUNLOCK(in6p);
error = 0;
break;
default:
break;
}

12
sys/netinet6/raw_ip6.c
View File

@ -582,6 +582,7 @@ rip6_output(m, va_alist)
int
rip6_ctloutput(struct socket *so, struct sockopt *sopt)
{
struct inpcb *inp;
int error;
if (sopt->sopt_level == IPPROTO_ICMPV6)
@ -590,8 +591,17 @@ rip6_ctloutput(struct socket *so, struct sockopt *sopt)
* from protosw?
*/
return (icmp6_ctloutput(so, sopt));
else if (sopt->sopt_level != IPPROTO_IPV6)
else if (sopt->sopt_level != IPPROTO_IPV6) {
if (sopt->sopt_level == SOL_SOCKET &&
sopt->sopt_name == SO_SETFIB) {
inp = sotoinpcb(so);
INP_WLOCK(inp);
inp->inp_inc.inc_fibnum = so->so_fibnum;
INP_WUNLOCK(inp);
return (0);
}
return (EINVAL);
}
error = 0;