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Merge branch 'bugfix/lwip_no_garp_for_any_addr' into 'master'

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lwip: Send Periodic Gratuitous ARP only on valid IPv4

See merge request espressif/esp-idf!22807
This commit is contained in:
Jiang Jiang Jian
2023-03-20 16:51:14 +08:00
parent 414b06eea1 97e785c01d
commit e4cf722248
1 changed files with 3 additions and 1 deletions
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4
components/esp_netif/lwip/esp_netif_lwip.c
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@@ -186,7 +186,9 @@ static esp_err_t remove_lwip_netif_callback(struct esp_netif_api_msg_s *msg)
static void netif_send_garp(void *arg)
{
struct netif *netif = arg;
etharp_gratuitous(netif);
if (!ip4_addr_cmp(netif_ip4_addr(netif), IP4_ADDR_ANY4)) { // Send GARP requests only if we have a valid IP
etharp_gratuitous(netif);
}
sys_timeout(CONFIG_LWIP_GARP_TMR_INTERVAL*1000, netif_send_garp, netif);
}