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Merge branch 'bugfix/minor_fix_about_ip_route' into 'release/v3.1'

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lwip: minor fix about ip route

See merge request idf/esp-idf!2782
This commit is contained in:
Jiang Jiang Jian
2018-07-17 14:12:22 +08:00
parent 3716e3e8c4 60080d4893
commit 0a357a4838
1 changed files with 2 additions and 4 deletions
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6
components/lwip/core/ipv4/ip4.c
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@ -133,16 +133,14 @@ bool ip4_netif_exist(const ip4_addr_t *src, const ip4_addr_t *dest)
return false;
}
/**
* Source based IPv4 routing hook function. This function works only
* when destination IP is broadcast IP.
* Source based IPv4 routing hook function.
*/
struct netif * ESP_IRAM_ATTR
ip4_route_src_hook(const ip4_addr_t *dest, const ip4_addr_t *src)
{
struct netif *netif = NULL;
/* destination IP is broadcast IP? */
if ((src != NULL) && (!ip4_addr_isany(src) || (dest->addr == IPADDR_BROADCAST))) {
if ((src != NULL) && !ip4_addr_isany(src)) {
/* iterate through netifs */
for (netif = netif_list; netif != NULL; netif = netif->next) {
/* is the netif up, does it have a link and a valid address? */