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Fix(dhcps):fix dhcp subnet option api dos not work issue

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xueyunfei
2023-11-10 11:19:41 +08:00
parent 0a1282bd24
commit 1ac20fb4ac
1 changed files with 18 additions and 1 deletions
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19
components/esp_netif/lwip/esp_netif_lwip.c
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@ -1931,6 +1931,23 @@ esp_err_t esp_netif_dhcps_option_api(esp_netif_api_msg_t *msg)
break; break;
} }
case ESP_NETIF_SUBNET_MASK: { case ESP_NETIF_SUBNET_MASK: {
esp_netif_ip_info_t *default_ip = esp_netif->ip_info;
ip4_addr_t *config_netmask = (ip4_addr_t *)opt->val;
if (!memcmp(&default_ip->netmask, config_netmask, sizeof(struct ip4_addr))) {
ESP_LOGE(TAG, "Please use esp_netif_set_ip_info interface to configure subnet mask");
/*
* This API directly changes the subnet mask of dhcp server
* but the subnet mask of the network interface has not changed
* If you need to change the subnet mask of dhcp server
* you need to change the subnet mask of the network interface first.
* If the subnet mask of dhcp server is changed
* and the subnet mask of network interface is inconsistent
* with the subnet mask of dhcp sever, it may lead to the failure of sending packets.
* If want to configure the subnet mask of dhcp server
* please use esp_netif_set_ip_info to change the subnet mask of network interface first.
*/
return ESP_ERR_ESP_NETIF_INVALID_PARAMS;
}
memcpy(opt_info, opt->val, opt->len); memcpy(opt_info, opt->val, opt->len);
break; break;
} }
@ -1941,7 +1958,7 @@ esp_err_t esp_netif_dhcps_option_api(esp_netif_api_msg_t *msg)
uint32_t end_ip = 0; uint32_t end_ip = 0;
uint32_t range_start_ip = 0; uint32_t range_start_ip = 0;
uint32_t range_end_ip = 0; uint32_t range_end_ip = 0;
dhcps_lease_t *poll = opt_val; dhcps_lease_t *poll = opt->val;
if (poll->enable) { if (poll->enable) {
memset(&info, 0x00, sizeof(esp_netif_ip_info_t)); memset(&info, 0x00, sizeof(esp_netif_ip_info_t));