diff options
Diffstat (limited to 'zebra/kernel_socket.c')
| -rw-r--r-- | zebra/kernel_socket.c | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/zebra/kernel_socket.c b/zebra/kernel_socket.c index 5a0359ea..aa962a35 100644 --- a/zebra/kernel_socket.c +++ b/zebra/kernel_socket.c @@ -253,6 +253,25 @@ rtm_flag_dump (int flag) zlog_debug ("Kernel: %s", buf); } +/* NetBSD IPSRCSEL preference readback */ +static int +if_get_addrpref (const char *ifname, struct sockaddr_in *addr) +{ +#ifdef SIOCSIFADDRPREF + int ret; + struct if_addrprefreq ifapr; + + memset (&ifapr, 0, sizeof ifapr); + strncpy ((char *)&ifapr.ifap_name, ifname, sizeof ifapr.ifap_name); + memcpy (&ifapr.ifap_addr, addr, sizeof (struct sockaddr_in)); + + ret = if_ioctl (SIOCGIFADDRPREF, (caddr_t) &ifapr); + if (ret == 0) + return ifapr.ifap_preference; +#endif + return 0; +} + #ifdef RTM_IFANNOUNCE /* Interface adding function */ static int @@ -619,6 +638,7 @@ ifam_read (struct ifa_msghdr *ifam) short ifnlen = 0; char isalias = 0; int flags = 0; + int preference = 0; ifname[0] = ifname[INTERFACE_NAMSIZ - 1] = '\0'; @@ -649,6 +669,9 @@ ifam_read (struct ifa_msghdr *ifam) */ ifp->metric = ifam->ifam_metric; #endif + if (sockunion_family (&addr) == AF_INET + && ifam->ifam_type == RTM_NEWADDR) + preference = if_get_addrpref (ifp->name, &addr.sin); /* Add connected address. */ switch (sockunion_family (&addr)) @@ -658,7 +681,7 @@ ifam_read (struct ifa_msghdr *ifam) connected_add_ipv4 (ifp, flags, &addr.sin.sin_addr, ip_masklen (mask.sin.sin_addr), &brd.sin.sin_addr, - (isalias ? ifname : NULL), 0); + (isalias ? ifname : NULL), 0, preference); else connected_delete_ipv4 (ifp, flags, &addr.sin.sin_addr, ip_masklen (mask.sin.sin_addr), |