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Merge branch 'bugfix/lwip_loopback' into 'master'

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fix(lwip): fix tcp connect fail when enable LOOPIF

when enable the LOOPIF, because of use the loopnetif, the TCP connect will fail. see TW12029

See merge request !711
This commit is contained in:
Jiang Jiang Jian 2017-05-05 15:45:14 +08:00
commit 195358ddb7
1 changed files with 7 additions and 0 deletions
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7
components/lwip/core/ipv4/ip4.c
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@ -147,6 +147,9 @@ ip4_route(const ip4_addr_t *dest)
{ {
#if ESP_LWIP #if ESP_LWIP
struct netif *non_default_netif = NULL; struct netif *non_default_netif = NULL;
#if LWIP_HAVE_LOOPIF
struct netif *loop_default_netif = netif_find("lo0");
#endif
#endif #endif
struct netif *netif; struct netif *netif;
@ -173,7 +176,11 @@ ip4_route(const ip4_addr_t *dest)
} }
if (netif != netif_default){ if (netif != netif_default){
#if LWIP_HAVE_LOOPIF
non_default_netif = (netif == loop_default_netif) ? NULL : netif;
#else
non_default_netif = netif; non_default_netif = netif;
#endif
} }
} }
} }