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no router => no route

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This commit is contained in:
Sergio R. Caprile
2025-11-24 15:09:35 -03:00
parent 236724ea29
commit 02e97adbef
2 changed files with 20 additions and 8 deletions
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mongoose.c
+10 -4
View File
@@ -4515,7 +4515,8 @@ static void onstatechange(struct mg_tcpip_if *ifp) {
MG_INFO((" GW: %M", mg_print_ip4, &ifp->gw));
MG_INFO((" MAC: %M", mg_print_mac, &ifp->mac));
} else if (ifp->state == MG_TCPIP_STATE_IP) {
mg_tcpip_arp_request(ifp, ifp->gw, NULL); // unsolicited GW ARP request
if (ifp->gw != 0)
mg_tcpip_arp_request(ifp, ifp->gw, NULL); // unsolicited GW ARP request
} else if (ifp->state == MG_TCPIP_STATE_UP) {
srand((unsigned int) mg_millis());
} else if (ifp->state == MG_TCPIP_STATE_DOWN) {
@@ -5118,7 +5119,8 @@ static void onstate6change(struct mg_tcpip_if *ifp) {
MG_INFO((" GW: %M", mg_print_ip6, &ifp->gw6));
MG_INFO((" MAC: %M", mg_print_mac, &ifp->mac));
} else if (ifp->state6 == MG_TCPIP_STATE_IP) {
tx_ndp_ns(ifp, ifp->gw6, ifp->gw6mac); // unsolicited GW MAC resolution
if (ifp->gw6[0] != 0 || ifp->gw6[1] != 0)
tx_ndp_ns(ifp, ifp->gw6, ifp->gw6mac); // unsolicited GW MAC resolution
} else if (ifp->state6 == MG_TCPIP_STATE_UP) {
MG_INFO(("IP: %M", mg_print_ip6, &ifp->ip6ll));
}
@@ -6100,10 +6102,12 @@ void mg_connect_resolved(struct mg_connection *c) {
struct connstate *s = (struct connstate *) (c + 1);
ip6_mcastmac(s->mac, c->rem.ip6);
mac_resolved(c);
} else {
} else if (ifp->gw6[0] != 0 || ifp->gw6[1] != 0) {
struct connstate *s = (struct connstate *) (c + 1);
memcpy(s->mac, ifp->gw6mac, sizeof(s->mac));
mac_resolved(c);
} else {
MG_ERROR(("No IPv6 gateway, can't connect"));
}
} else
#endif
@@ -6126,10 +6130,12 @@ void mg_connect_resolved(struct mg_connection *c) {
(struct connstate *) (c + 1); // 224 to 239, E0 to EF
ip4_mcastmac(s->mac, &rem_ip); // multicast group
mac_resolved(c);
} else {
} else if (ifp->gw != 0) {
struct connstate *s = (struct connstate *) (c + 1);
memcpy(s->mac, ifp->gwmac, sizeof(ifp->gwmac));
mac_resolved(c);
} else {
MG_ERROR(("No gateway, can't connect"));
}
}
}
src/net_builtin.c
+10 -4
View File
@@ -309,7 +309,8 @@ static void onstatechange(struct mg_tcpip_if *ifp) {
MG_INFO((" GW: %M", mg_print_ip4, &ifp->gw));
MG_INFO((" MAC: %M", mg_print_mac, &ifp->mac));
} else if (ifp->state == MG_TCPIP_STATE_IP) {
mg_tcpip_arp_request(ifp, ifp->gw, NULL); // unsolicited GW ARP request
if (ifp->gw != 0)
mg_tcpip_arp_request(ifp, ifp->gw, NULL); // unsolicited GW ARP request
} else if (ifp->state == MG_TCPIP_STATE_UP) {
srand((unsigned int) mg_millis());
} else if (ifp->state == MG_TCPIP_STATE_DOWN) {
@@ -912,7 +913,8 @@ static void onstate6change(struct mg_tcpip_if *ifp) {
MG_INFO((" GW: %M", mg_print_ip6, &ifp->gw6));
MG_INFO((" MAC: %M", mg_print_mac, &ifp->mac));
} else if (ifp->state6 == MG_TCPIP_STATE_IP) {
tx_ndp_ns(ifp, ifp->gw6, ifp->gw6mac); // unsolicited GW MAC resolution
if (ifp->gw6[0] != 0 || ifp->gw6[1] != 0)
tx_ndp_ns(ifp, ifp->gw6, ifp->gw6mac); // unsolicited GW MAC resolution
} else if (ifp->state6 == MG_TCPIP_STATE_UP) {
MG_INFO(("IP: %M", mg_print_ip6, &ifp->ip6ll));
}
@@ -1894,10 +1896,12 @@ void mg_connect_resolved(struct mg_connection *c) {
struct connstate *s = (struct connstate *) (c + 1);
ip6_mcastmac(s->mac, c->rem.ip6);
mac_resolved(c);
} else {
} else if (ifp->gw6[0] != 0 || ifp->gw6[1] != 0) {
struct connstate *s = (struct connstate *) (c + 1);
memcpy(s->mac, ifp->gw6mac, sizeof(s->mac));
mac_resolved(c);
} else {
MG_ERROR(("No IPv6 gateway, can't connect"));
}
} else
#endif
@@ -1920,10 +1924,12 @@ void mg_connect_resolved(struct mg_connection *c) {
(struct connstate *) (c + 1); // 224 to 239, E0 to EF
ip4_mcastmac(s->mac, &rem_ip); // multicast group
mac_resolved(c);
} else {
} else if (ifp->gw != 0) {
struct connstate *s = (struct connstate *) (c + 1);
memcpy(s->mac, ifp->gwmac, sizeof(ifp->gwmac));
mac_resolved(c);
} else {
MG_ERROR(("No gateway, can't connect"));
}
}
}