diff options
Diffstat (limited to 'tcp.c')
| -rw-r--r-- | tcp.c | 14 |
1 files changed, 12 insertions, 2 deletions
@@ -2996,8 +2996,12 @@ static int tcp_sock_init_af(const struct ctx *c, int af, in_port_t port, s = sock_l4(c, af, IPPROTO_TCP, addr, ifname, port, tref.u32); - if (c->tcp.fwd_in.mode == FWD_AUTO) - tcp_sock_init_ext[port][(af == AF_INET) ? V4 : V6] = s; + if (c->tcp.fwd_in.mode == FWD_AUTO) { + if (af == AF_INET || af == AF_UNSPEC) + tcp_sock_init_ext[port][V4] = s; + if (af == AF_INET6 || af == AF_UNSPEC) + tcp_sock_init_ext[port][V6] = s; + } if (s < 0) return -1; @@ -3017,6 +3021,12 @@ static int tcp_sock_init_af(const struct ctx *c, int af, in_port_t port, void tcp_sock_init(const struct ctx *c, sa_family_t af, const void *addr, const char *ifname, in_port_t port) { + if (af == AF_UNSPEC && c->ifi4 && c->ifi6) + /* Attempt to get a dual stack socket */ + if (tcp_sock_init_af(c, AF_UNSPEC, port, addr, ifname) >= 0) + return; + + /* Otherwise create a socket per IP version */ if ((af == AF_INET || af == AF_UNSPEC) && c->ifi4) tcp_sock_init_af(c, AF_INET, port, addr, ifname); if ((af == AF_INET6 || af == AF_UNSPEC) && c->ifi6) |