diff options
Diffstat (limited to 'icmp.c')
| -rw-r--r-- | icmp.c | 8 |
1 files changed, 6 insertions, 2 deletions
@@ -125,17 +125,21 @@ void icmp_sock_handler(const struct ctx *c, union epoll_ref ref) flow_dbg(pingf, "echo reply to tap, ID: %"PRIu16", seq: %"PRIu16, ini->eport, seq); + /* Check if neighbour table has a recorded MAC address */ + if (MAC_IS_UNDEF(pingf->f.tap_omac)) + fwd_neigh_mac_get(c, &ini->oaddr, pingf->f.tap_omac); + if (pingf->f.type == FLOW_PING4) { const struct in_addr *saddr = inany_v4(&ini->oaddr); const struct in_addr *daddr = inany_v4(&ini->eaddr); ASSERT(saddr && daddr); /* Must have IPv4 addresses */ - tap_icmp4_send(c, *saddr, *daddr, buf, n); + tap_icmp4_send(c, *saddr, *daddr, buf, pingf->f.tap_omac, n); } else if (pingf->f.type == FLOW_PING6) { const struct in6_addr *saddr = &ini->oaddr.a6; const struct in6_addr *daddr = &ini->eaddr.a6; - tap_icmp6_send(c, saddr, daddr, buf, n); + tap_icmp6_send(c, saddr, daddr, buf, pingf->f.tap_omac, n); } return; |