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No need to allocate a PBUF_LINK for incoming packets, PBUF_RAW is enough
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@ -209,7 +209,7 @@ low_level_input(struct netif *netif, void *packet, int packet_len)
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}
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/* We allocate a pbuf chain of pbufs from the pool. */
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p = pbuf_alloc(PBUF_LINK, (u16_t)length, PBUF_POOL);
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p = pbuf_alloc(PBUF_RAW, (u16_t)length, PBUF_POOL);
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LWIP_DEBUGF(NETIF_DEBUG, ("netif: recv length %i p->tot_len %i\n", length, (int)p->tot_len));
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if (p != NULL) {
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