diff options
Diffstat (limited to 'zebra/rtadv.c')
| -rw-r--r-- | zebra/rtadv.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/zebra/rtadv.c b/zebra/rtadv.c index c695b65660..d62ed3a5e4 100644 --- a/zebra/rtadv.c +++ b/zebra/rtadv.c @@ -45,6 +45,8 @@ #include "zebra/zebra_vrf.h" extern struct zebra_privs_t zserv_privs; +/* currently undefined in icmp6.h */ +bool AdvGoAwayFlag; #if defined(HAVE_RTADV) @@ -224,6 +226,9 @@ static void rtadv_send_packet(int sock, struct interface *ifp) rtadv->nd_ra_flags_reserved |= ND_RA_FLAG_OTHER; if (zif->rtadv.AdvHomeAgentFlag) rtadv->nd_ra_flags_reserved |= ND_RA_FLAG_HOME_AGENT; + if (AdvGoAwayFlag) + rtadv->nd_ra_flags_reserved |= ND_RA_FLAG_V4_GOAWAY; + /* Note that according to Neighbor Discovery (RFC 4861 [18]), * AdvDefaultLifetime is by default based on the value of * MaxRtrAdvInterval. AdvDefaultLifetime is used in the Router Lifetime @@ -1495,6 +1500,19 @@ DEFUN (no_ipv6_nd_mtu, return CMD_SUCCESS; } +DEFUN (ipv6_nd_v4_goaway, + ipv6_nd_v4_goaway_cmd, + "[no] ipv6 nd v4 goaway", + NO_STR + "Interface IPv6 config commands\n" + "Neighbor discovery\n" + "v4 RA flags\n" + "Set V4 GoAway Flag\n") +{ + AdvGoAwayFlag = !strmatch(argv[0]->text, "no"); + return CMD_SUCCESS; +} + /* Dump interface ND information to vty. */ static int nd_dump_vty(struct vty *vty, struct interface *ifp) { @@ -1626,6 +1644,9 @@ static int rtadv_config_write(struct vty *vty, struct interface *ifp) if (zif->rtadv.AdvLinkMTU) vty_out(vty, " ipv6 nd mtu %d\n", zif->rtadv.AdvLinkMTU); + if (AdvGoAwayFlag) + vty_out(vty, " ipv6 nd v4 goaway\n"); + for (ALL_LIST_ELEMENTS_RO(zif->rtadv.AdvPrefixList, node, rprefix)) { vty_out(vty, " ipv6 nd prefix %s", prefix2str(&rprefix->prefix, buf, sizeof(buf))); @@ -1744,6 +1765,7 @@ void rtadv_cmd_init(void) install_element(INTERFACE_NODE, &no_ipv6_nd_router_preference_cmd); install_element(INTERFACE_NODE, &ipv6_nd_mtu_cmd); install_element(INTERFACE_NODE, &no_ipv6_nd_mtu_cmd); + install_element(INTERFACE_NODE, &ipv6_nd_v4_goaway_cmd); } static int if_join_all_router(int sock, struct interface *ifp) |