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lw-ip: Enable IPv6 stateless address autoconfiguration

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This commit is contained in:
xiehang 2020-02-18 19:28:22 +08:00
parent 9f72091043
commit 1a97251e27
2 changed files with 38 additions and 0 deletions
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15
components/tcpip_adapter/include/tcpip_adapter.h
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@ -412,6 +412,21 @@ esp_err_t tcpip_adapter_create_ip6_linklocal(tcpip_adapter_if_t tcpip_if);
*/
esp_err_t tcpip_adapter_get_ip6_linklocal(tcpip_adapter_if_t tcpip_if, ip6_addr_t *if_ip6);
/**
* @brief Get interface global IPv6 address
*
* If the specified interface is up and a preferred global IPv6 address
* has been created for the interface, return a copy of it.
*
* @param[in] tcpip_if Interface to get global IPv6 address
* @param[out] if_ip6 IPv6 information will be returned in this argument if successful.
*
* @return
* - ESP_OK
* - ESP_FAIL If interface is down, does not have a global IPv6 address.
*/
esp_err_t tcpip_adapter_get_ip6_global(tcpip_adapter_if_t tcpip_if, ip6_addr_t *if_ip6);
#if 0
esp_err_t tcpip_adapter_get_mac(tcpip_adapter_if_t tcpip_if, uint8_t *mac);

23
components/tcpip_adapter/tcpip_adapter_lwip.c
View file

@ -532,6 +532,29 @@ esp_err_t tcpip_adapter_get_ip6_linklocal(tcpip_adapter_if_t tcpip_if, ip6_addr_
return ESP_OK;
}
esp_err_t tcpip_adapter_get_ip6_global(tcpip_adapter_if_t tcpip_if, ip6_addr_t *if_ip6)
{
ESP_LOGD(TAG, "%s esp-netif:%p", __func__, esp_netif);
if (tcpip_if >=TCPIP_ADAPTER_IF_MAX || if_ip6 == NULL) {
return ESP_ERR_TCPIP_ADAPTER_INVALID_PARAMS;
}
int i;
struct netif *p_netif = esp_netif[tcpip_if];
if (p_netif != NULL && netif_is_up(p_netif)) {
for (i = 1; i < LWIP_IPV6_NUM_ADDRESSES; i++) {
if (ip6_addr_ispreferred(netif_ip6_addr_state(p_netif, i))) {
memcpy(if_ip6, &p_netif->ip6_addr[i], sizeof(ip6_addr_t));
return ESP_OK;
}
}
}
return ESP_FAIL;
}
#if 0
esp_err_t tcpip_adapter_get_mac(tcpip_adapter_if_t tcpip_if, uint8_t mac[6])
{