diff options
| author | Pouria Mousavizadeh Tehrani <pouria@FreeBSD.org> | 2026-07-17 12:06:46 +0000 |
|---|---|---|
| committer | Pouria Mousavizadeh Tehrani <pouria@FreeBSD.org> | 2026-07-28 20:54:37 +0000 |
| commit | dd235f097af48ba5bf4324362b4fae6e14e19dfa (patch) | |
| tree | 7db222a6ea3bd8611e1f0a78f2d3a17ddc4ecce3 | |
| parent | be5994cdfbe2fab4c038a534fbff27e49bbb7a7b (diff) | |
route(8): Add prefsrc option in netlink
Add prefsrc option that is frequently used on unnumbered interfaces
or L3 multi-homed network hosts.
This option uses RTA_PREFSRC.
Now you can add a static route by specifying the prefsrc option
with the loopback IP.
PR: 285422
Reviewed by: glebius
Differential Revision: https://reviews.freebsd.org/D58294
| -rw-r--r-- | sbin/route/keywords | 1 | ||||
| -rw-r--r-- | sbin/route/route.c | 1 | ||||
| -rw-r--r-- | sbin/route/route_netlink.c | 2 |
3 files changed, 4 insertions, 0 deletions
diff --git a/sbin/route/keywords b/sbin/route/keywords index 3dbfcd187773..faf30f8adb14 100644 --- a/sbin/route/keywords +++ b/sbin/route/keywords @@ -36,6 +36,7 @@ nostatic nostick osi prefixlen +prefsrc proto1 proto2 proxy diff --git a/sbin/route/route.c b/sbin/route/route.c index 84c520bd4f39..e4f15aab91b6 100644 --- a/sbin/route/route.c +++ b/sbin/route/route.c @@ -946,6 +946,7 @@ newroute(int argc, char **argv) errx(EX_USAGE, "invalid fib number: %s", *argv); break; + case K_PREFSRC: case K_IFA: if (!--argc) usage(NULL); diff --git a/sbin/route/route_netlink.c b/sbin/route/route_netlink.c index 0d4420767082..a412265b6feb 100644 --- a/sbin/route/route_netlink.c +++ b/sbin/route/route_netlink.c @@ -174,6 +174,7 @@ rtmsg_nl_int(struct nl_helper *h, int cmd, int rtm_flags, int fib, int rtm_addrs struct sockaddr *dst = get_addr(so, rtm_addrs, RTAX_DST); struct sockaddr *mask = get_addr(so, rtm_addrs, RTAX_NETMASK); struct sockaddr *gw = get_addr(so, rtm_addrs, RTAX_GATEWAY); + struct sockaddr *prefsrc = get_addr(so, rtm_addrs, RTAX_IFA); if (dst == NULL) return (EINVAL); @@ -225,6 +226,7 @@ rtmsg_nl_int(struct nl_helper *h, int cmd, int rtm_flags, int fib, int rtm_addrs rtm->rtm_flags = RTM_F_PREFIX; snl_add_msg_attr_ip(&nw, RTA_DST, dst); + snl_add_msg_attr_ip(&nw, RTA_PREFSRC, prefsrc); snl_add_msg_attr_u32(&nw, RTA_TABLE, fib); uint32_t rta_oif = 0; |