net_device: tweak 'pbuf chain' implementation
This commit is contained in:
parent
43cb5fabfd
commit
f5b72f5796
|
@ -374,8 +374,8 @@ static void handle_incoming_packet(uint32_t len)
|
|||
|
||||
if (p)
|
||||
{
|
||||
/* pbuf_alloc() has already initialized struct; all we need to do is copy the data */
|
||||
memcpy(p->payload, pnt, size);
|
||||
p->len = size;
|
||||
accepted = tud_network_recv_cb(p);
|
||||
|
||||
if (!accepted) pbuf_free(p);
|
||||
|
@ -441,11 +441,13 @@ void tud_network_xmit(struct pbuf *p)
|
|||
len = (_netd_itf.ecm_mode) ? 0 : CFG_TUD_NET_PACKET_PREFIX_LEN;
|
||||
data = transmitted + len;
|
||||
|
||||
/* traverse the "pbuf chain"; see ./lwip/src/core/pbuf.c for more info */
|
||||
for(q = p; q != NULL; q = q->next)
|
||||
{
|
||||
memcpy(data, (char *)q->payload, q->len);
|
||||
data += q->len;
|
||||
len += q->len;
|
||||
if (q->len == q->tot_len) break;
|
||||
}
|
||||
|
||||
if (!_netd_itf.ecm_mode)
|
||||
|
|
Loading…
Reference in New Issue