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tcpip_adapter: set sta ip to IP_ADDR_ANY when sta disconnect from ap

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When sta is disconnected from AP, set sta ip to IP_ADDR_ANY to trigger lwip
to clean up all TCP/UDP pcbs.
This commit is contained in:
liuzhifu 2016-09-22 11:49:37 +08:00
parent 226e64bd1e
commit 67e8b3bcaf
1 changed files with 3 additions and 0 deletions
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3
components/tcpip_adapter/tcpip_adapter_lwip.c
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@ -161,6 +161,9 @@ esp_err_t tcpip_adapter_down(tcpip_adapter_if_t tcpip_if)
ip4_addr_set_zero(&esp_ip[tcpip_if].netmask);
}
/* Modify ip address to trigger tcp/udp pcb cleanup */
netif_set_addr(esp_netif[tcpip_if], IP4_ADDR_ANY, IP4_ADDR_ANY, IP4_ADDR_ANY);
netif_set_down(esp_netif[tcpip_if]);
}