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Set DHCP subnet correctly for softAP (#2648)

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Removes hard coded subnet of 255.255.255.0 and fetches the correct subnet from wifi_get_ip_info()
This commit is contained in:
Matt 2017-02-03 20:27:06 +13:00 committed by Ivan Grokhotkov
parent ae13809c81
commit cc84a64793
1 changed files with 9 additions and 18 deletions
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25
tools/sdk/lwip/src/app/dhcpserver.c
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@ -137,21 +137,16 @@ static uint8_t* ICACHE_FLASH_ATTR add_offer_options(uint8_t *optptr)
ipadd.addr = *( (uint32_t *) &server_address);
#ifdef USE_CLASS_B_NET
*optptr++ = DHCP_OPTION_SUBNET_MASK;
*optptr++ = 4; //length
*optptr++ = 255;
*optptr++ = 240;
*optptr++ = 0;
*optptr++ = 0;
#else
struct ip_info if_ip;
os_bzero(&if_ip, sizeof(struct ip_info));
wifi_get_ip_info(SOFTAP_IF, &if_ip);
*optptr++ = DHCP_OPTION_SUBNET_MASK;
*optptr++ = 4;
*optptr++ = 255;
*optptr++ = 255;
*optptr++ = 255;
*optptr++ = 0;
#endif
*optptr++ = ip4_addr1( &if_ip.netmask);
*optptr++ = ip4_addr2( &if_ip.netmask);
*optptr++ = ip4_addr3( &if_ip.netmask);
*optptr++ = ip4_addr4( &if_ip.netmask);
*optptr++ = DHCP_OPTION_LEASE_TIME;
*optptr++ = 4;
@ -168,10 +163,6 @@ static uint8_t* ICACHE_FLASH_ATTR add_offer_options(uint8_t *optptr)
*optptr++ = ip4_addr4( &ipadd);
if (dhcps_router_enabled(offer)){
struct ip_info if_ip;
os_bzero(&if_ip, sizeof(struct ip_info));
wifi_get_ip_info(SOFTAP_IF, &if_ip);
*optptr++ = DHCP_OPTION_ROUTER;
*optptr++ = 4;
*optptr++ = ip4_addr1( &if_ip.gw);