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Remove ESP8266 pbuf chain length check

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It's been pushed up to LWIP: f92662566e
This commit is contained in:
Deomid "rojer" Ryabkov 2021-03-15 21:34:26 +00:00 committed by Deomid Ryabkov
parent edd38f6ccd
commit 6fa305e36d
2 changed files with 0 additions and 20 deletions
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10
mongoose.c
View File

@ -15052,16 +15052,6 @@ static err_t mg_lwip_tcp_recv_cb(void *arg, struct tcp_pcb *tpcb,
mgos_lock(); mgos_lock();
if (cs->rx_chain == NULL) { if (cs->rx_chain == NULL) {
cs->rx_offset = 0; cs->rx_offset = 0;
} else if (pbuf_clen(cs->rx_chain) >= 4) {
/* ESP SDK has a limited pool of 5 pbufs. We must not hog them all or RX
* will be completely blocked. We already have at least 4 in the chain,
* this one is the last, so we have to make a copy and release this one. */
struct pbuf *np = pbuf_alloc(PBUF_RAW, p->tot_len, PBUF_RAM);
if (np != NULL) {
pbuf_copy(np, p);
pbuf_free(p);
p = np;
}
} }
mg_lwip_recv_common(nc, p); mg_lwip_recv_common(nc, p);
mgos_unlock(); mgos_unlock();

10
src/common/platforms/lwip/mg_lwip_net_if.c
View File

@ -187,16 +187,6 @@ static err_t mg_lwip_tcp_recv_cb(void *arg, struct tcp_pcb *tpcb,
mgos_lock(); mgos_lock();
if (cs->rx_chain == NULL) { if (cs->rx_chain == NULL) {
cs->rx_offset = 0; cs->rx_offset = 0;
} else if (pbuf_clen(cs->rx_chain) >= 4) {
/* ESP SDK has a limited pool of 5 pbufs. We must not hog them all or RX
* will be completely blocked. We already have at least 4 in the chain,
* this one is the last, so we have to make a copy and release this one. */
struct pbuf *np = pbuf_alloc(PBUF_RAW, p->tot_len, PBUF_RAM);
if (np != NULL) {
pbuf_copy(np, p);
pbuf_free(p);
p = np;
}
} }
mg_lwip_recv_common(nc, p); mg_lwip_recv_common(nc, p);
mgos_unlock(); mgos_unlock();