forked from M-Labs/artiq
liblwip/netif/liteethif: follow lwip doc recommendations regarding end of pbuf chain detection
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7290013671
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@ -59,10 +59,15 @@ static err_t liteeth_low_level_output(struct netif *netif, struct pbuf *p)
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struct pbuf *q;
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txlen = 0;
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for(q = p; q != NULL; q = q->next) {
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q = p;
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while(q) {
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memcpy(txbuffer, q->payload, q->len);
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txbuffer += q->len;
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txlen += q->len;
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if(q->tot_len != q->len)
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q = q->next;
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else
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q = NULL;
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}
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ethmac_sram_reader_slot_write(txslot);
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@ -91,11 +96,14 @@ static struct pbuf *liteeth_low_level_input(struct netif *netif)
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rxbuffer = rxbuffer0;
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p = pbuf_alloc(PBUF_RAW, rxlen, PBUF_POOL);
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if(p != NULL) {
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for(q = p; q != NULL; q = q->next) {
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memcpy(q->payload, rxbuffer, q->len);
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rxbuffer += q->len;
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}
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q = p;
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while(q) {
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memcpy(q->payload, rxbuffer, q->len);
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rxbuffer += q->len;
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if(q->tot_len != q->len)
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q = q->next;
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else
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q = NULL;
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}
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return p;
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