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fix(lwip): fix TCP pbuf memory leak

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Disable TCP cache and retry function.
This commit is contained in:
Dong Heng
2018-12-04 11:35:59 +08:00
parent 98bdb57bea
commit e19f612606
4 changed files with 22 additions and 30 deletions
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10
components/lwip/port/esp8266/netif/ethernetif.c
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@@ -34,7 +34,7 @@ void wifi_station_set_default_hostname(uint8_t* hwaddr);
#define IFNAME0 'e'
#define IFNAME1 'n'
#if ESP_TCP
typedef struct pbuf_send_list {
struct pbuf_send_list* next;
struct pbuf* p;
@@ -44,8 +44,10 @@ typedef struct pbuf_send_list {
static pbuf_send_list_t* pbuf_list_head = NULL;
static int pbuf_send_list_num = 0;
#endif
static int low_level_send_cb(esp_aio_t* aio);
#if ESP_TCP
static inline bool check_pbuf_to_insert(struct pbuf* p)
{
uint8_t* buf = (uint8_t*)p->payload;
@@ -172,6 +174,7 @@ void send_from_list()
}
}
}
#endif
/**
* In this function, the hardware should be initialized.
@@ -213,6 +216,8 @@ static void low_level_init(struct netif* netif)
static int low_level_send_cb(esp_aio_t* aio)
{
struct pbuf* pbuf = aio->arg;
#if ESP_TCP
wifi_tx_status_t* status = (wifi_tx_status_t*) & (aio->ret);
if ((TX_STATUS_SUCCESS != status->wifi_tx_result) && check_pbuf_to_insert(pbuf)) {
@@ -235,6 +240,7 @@ static int low_level_send_cb(esp_aio_t* aio)
status->wifi_tx_result, status->wifi_tx_lrc, status->wifi_tx_src, status->wifi_tx_rate));
insert_to_list(aio->fd, aio->arg);
}
#endif
pbuf_free(pbuf);
@@ -350,7 +356,9 @@ static int8_t low_level_output(struct netif* netif, struct pbuf* p)
if (err != ERR_OK) {
if (err == ERR_MEM) {
#if ESP_TCP
insert_to_list(aio.fd, p);
#endif
err = ERR_OK;
}