diff options
Diffstat (limited to 'sys/netlink/route/iface_drivers.c')
-rw-r--r-- | sys/netlink/route/iface_drivers.c | 37 |
1 files changed, 31 insertions, 6 deletions
diff --git a/sys/netlink/route/iface_drivers.c b/sys/netlink/route/iface_drivers.c index 5f605b05f7b8..4f1540740ead 100644 --- a/sys/netlink/route/iface_drivers.c +++ b/sys/netlink/route/iface_drivers.c @@ -93,7 +93,12 @@ _nl_modify_ifp_generic(struct ifnet *ifp, struct nl_parsed_link *lattrs, if (lattrs->ifla_mtu > 0) { if (nlp_has_priv(npt->nlp, PRIV_NET_SETIFMTU)) { struct ifreq ifr = { .ifr_mtu = lattrs->ifla_mtu }; - error = ifhwioctl(SIOCSIFMTU, ifp, (char *)&ifr, curthread); + error = ifhwioctl(SIOCSIFMTU, ifp, (char *)&ifr, + curthread); + if (error != 0) { + nlmsg_report_err_msg(npt, "Failed to set mtu"); + return (error); + } } else { nlmsg_report_err_msg(npt, "Not enough privileges to set mtu"); return (EPERM); @@ -101,11 +106,31 @@ _nl_modify_ifp_generic(struct ifnet *ifp, struct nl_parsed_link *lattrs, } if ((lattrs->ifi_change & IFF_PROMISC) != 0 || - lattrs->ifi_change == 0) { - error = ifpromisc(ifp, lattrs->ifi_flags & IFF_PROMISC); - if (error != 0) { - nlmsg_report_err_msg(npt, "unable to set promisc"); - return (error); + lattrs->ifi_change == 0) + /* + * When asking for IFF_PROMISC, set permanent flag instead + * (IFF_PPROMISC) as we have no way of doing promiscuity + * reference counting through ifpromisc(). Every call to this + * function either sets or unsets IFF_PROMISC, and ifi_change + * is usually set to 0xFFFFFFFF. + */ + if_setppromisc(ifp, (lattrs->ifi_flags & IFF_PROMISC) != 0); + + if (lattrs->ifla_address != NULL) { + if (nlp_has_priv(npt->nlp, PRIV_NET_SETIFMAC)) { + error = if_setlladdr(ifp, + NLA_DATA(lattrs->ifla_address), + NLA_DATA_LEN(lattrs->ifla_address)); + if (error != 0) { + nlmsg_report_err_msg(npt, + "setting IFLA_ADDRESS failed with error code: %d", + error); + return (error); + } + } else { + nlmsg_report_err_msg(npt, + "Not enough privileges to set IFLA_ADDRESS"); + return (EPERM); } } |