blackbeard420/esp-idf
1
0
Fork 0
mirror of https://github.com/espressif/esp-idf synced 2025-03-09 09:09:10 -04:00
Code Issues Projects Releases Wiki Activity

feat(ppp): Allow config PPP DNS servers for peer

Browse Source 
Make it possible to set the DNS servers to provide to the peer. This is
useful when acting as a PPP server.

If any DNS server is set, don't request a DNS server from the peer.
This commit is contained in:
Jonas Jonsson 2025-02-24 16:35:13 +01:00
parent 877057db3d
commit f6ab11ed8f
2 changed files with 19 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
components/esp_netif/include/esp_netif_ppp.h
View File

@ -31,6 +31,8 @@ typedef struct esp_netif_ppp_config {
#ifdef CONFIG_LWIP_PPP_SERVER_SUPPORT
esp_ip4_addr_t ppp_our_ip4_addr; /**< Set our preferred address, typically used when we're the PPP server */
esp_ip4_addr_t ppp_their_ip4_addr; /**< Set our preferred address, typically used when we're the PPP server */
esp_ip4_addr_t ppp_dns1_addr; /**< DNS to provide if peer asks for it, typically used when we're the PPP server */
esp_ip4_addr_t ppp_dns2_addr; /**< DNS to provide if peer asks for it, typically used when we're the PPP server */
#endif // CONFIG_LWIP_PPP_SERVER_SUPPORT
} esp_netif_ppp_config_t;

17
components/esp_netif/lwip/esp_netif_lwip_ppp.c
View File

@ -37,6 +37,8 @@ typedef struct lwip_peer2peer_ctx {
#ifdef CONFIG_LWIP_PPP_SERVER_SUPPORT
esp_ip4_addr_t ppp_our_ip4_addr; // our desired IP (IPADDR_ANY if no preference)
esp_ip4_addr_t ppp_their_ip4_addr; // their desired IP (IPADDR_ANY if no preference)
esp_ip4_addr_t ppp_dns1_addr; // dns server 1 IP (IPADDR_ANY if no preference)
esp_ip4_addr_t ppp_dns2_addr; // dns server 2 IP (IPADDR_ANY if no preference)
#endif
ppp_pcb *ppp;
} lwip_peer2peer_ctx_t;
@ -268,6 +270,17 @@ esp_err_t esp_netif_start_ppp(esp_netif_t *esp_netif)
ppp_ctx->ppp->ipcp_wantoptions.hisaddr = ppp_ctx->ppp_their_ip4_addr.addr;
ppp_ctx->ppp->ipcp_wantoptions.accept_local = 1;
}
if (ppp_ctx->ppp_dns1_addr.addr != IPADDR_TYPE_ANY) {
ppp_set_ipcp_dnsaddr(ppp_ctx->ppp, 0, &ppp_ctx->ppp_dns1_addr);
}
if (ppp_ctx->ppp_dns2_addr.addr != IPADDR_TYPE_ANY) {
ppp_set_ipcp_dnsaddr(ppp_ctx->ppp, 1, &ppp_ctx->ppp_dns2_addr);
}
if (ppp_ctx->ppp_dns1_addr.addr != IPADDR_TYPE_ANY ||
ppp_ctx->ppp_dns2_addr.addr != IPADDR_TYPE_ANY) {
// No need to request DNS servers from peer when providing DNS servers.
ppp_set_usepeerdns(ppp_ctx->ppp, 0);
}
#endif // CONFIG_LWIP_PPP_SERVER_SUPPORT
#if ESP_IPV6_AUTOCONFIG
@ -338,6 +351,8 @@ esp_err_t esp_netif_ppp_set_params(esp_netif_t *netif, const esp_netif_ppp_confi
#ifdef CONFIG_LWIP_PPP_SERVER_SUPPORT
obj->ppp_our_ip4_addr = config->ppp_our_ip4_addr;
obj->ppp_their_ip4_addr = config->ppp_their_ip4_addr;
obj->ppp_dns1_addr = config->ppp_dns1_addr;
obj->ppp_dns2_addr = config->ppp_dns2_addr;
#endif
return ESP_OK;
}
@ -357,6 +372,8 @@ esp_err_t esp_netif_ppp_get_params(esp_netif_t *netif, esp_netif_ppp_config_t *c
#ifdef CONFIG_LWIP_PPP_SERVER_SUPPORT
config->ppp_our_ip4_addr = obj->ppp_our_ip4_addr;
config->ppp_their_ip4_addr = obj->ppp_their_ip4_addr;
config->ppp_dns1_addr = obj->ppp_dns1_addr;
config->ppp_dns2_addr = obj->ppp_dns2_addr;
#endif
return ESP_OK;