+ /* Check that we at least received an Ethernet header */
+ if (net_rx_packet_len < sizeof(struct ethernet_hdr)) {
+ new_rx_packet = false;
+ return EFI_EXIT(EFI_NOT_READY);
+ }
+ /* Fill export parameters */
+ eth_hdr = (struct ethernet_hdr *)net_rx_packet;
+ protlen = ntohs(eth_hdr->et_protlen);
+ if (protlen == 0x8100) {
+ hdr_size += 4;
+ protlen = ntohs(*(u16 *)&net_rx_packet[hdr_size - 2]);
+ }
+ if (header_size)
+ *header_size = hdr_size;
+ if (dest_addr)
+ memcpy(dest_addr, eth_hdr->et_dest, ARP_HLEN);
+ if (src_addr)
+ memcpy(src_addr, eth_hdr->et_src, ARP_HLEN);
+ if (protocol)
+ *protocol = protlen;