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fix(eppp): Fix tun netif to (optionally) return errors

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This commit is contained in:
David Cermak
2025-10-08 16:20:18 +02:00
parent 318e41b3c3
commit 7a6cf0f9c0
1 changed files with 11 additions and 2 deletions
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13
components/eppp_link/eppp_netif_tun.c
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@@ -17,9 +17,17 @@
#include "esp_check.h"
#include "esp_idf_version.h"
#if defined(CONFIG_ESP_NETIF_RECEIVE_REPORT_ERRORS)
typedef esp_err_t esp_netif_recv_ret_t;
#define ESP_NETIF_OPTIONAL_RETURN_CODE(expr) expr
#else
typedef void esp_netif_recv_ret_t;
#define ESP_NETIF_OPTIONAL_RETURN_CODE(expr)
#endif // CONFIG_ESP_NETIF_RECEIVE_REPORT_ERRORS
static const char *TAG = "eppp_tun_netif";
static void tun_input(void *h, void *buffer, unsigned int len, void *eb)
static esp_netif_recv_ret_t tun_input(void *h, void *buffer, unsigned int len, void *eb)
{
__attribute__((unused)) esp_err_t ret = ESP_OK;
struct netif *netif = h;
@@ -31,11 +39,12 @@ static void tun_input(void *h, void *buffer, unsigned int len, void *eb)
ESP_GOTO_ON_FALSE(pbuf_remove_header(p, SIZEOF_ETH_HDR) == 0, ESP_FAIL, err, TAG, "pbuf_remove_header failed");
memcpy(p->payload, buffer, len);
ESP_GOTO_ON_FALSE(netif->input(p, netif) == ERR_OK, ESP_FAIL, err, TAG, "failed to input packet to lwip");
return;
return ESP_NETIF_OPTIONAL_RETURN_CODE(ESP_OK);
err:
if (p) {
pbuf_free(p);
}
return ESP_NETIF_OPTIONAL_RETURN_CODE(ret);
}
static err_t tun_output(struct netif *netif, struct pbuf *p)