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fix(lwip): Filter out V6 packets if V6 is not enabled #10037

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fix(lwip): Filter out V6 packets if V6 is not enabled #10037

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bb883b6
fix(lwip): Filter out V6 packets if V6 is not enabled
me-no-dev Jul 16, 2024
45bc9b1
fix(lwip): DNS header is not required
me-no-dev Jul 16, 2024
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11 changes: 11 additions & 0 deletions libraries/Network/src/NetworkInterface.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -34,6 +34,17 @@ NetworkInterface *getNetifByID(Network_Interface_ID id) {
return NULL;
}

#if CONFIG_LWIP_HOOK_IP6_INPUT_CUSTOM
extern "C" int lwip_hook_ip6_input(struct pbuf *p, struct netif *inp) {
if (ip6_addr_isany_val(inp->ip6_addr[0].u_addr.ip6)) {
// We don't have an LL address -> eat this packet here, so it won't get accepted on input netif
pbuf_free(p);
return 1;
}
return 0;
}
#endif

static void _ip_event_cb(void *arg, esp_event_base_t event_base, int32_t event_id, void *event_data) {
if (event_base == IP_EVENT) {
NetworkInterface *netif = NULL;
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