61 lines
1.5 KiB
C
61 lines
1.5 KiB
C
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/*
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* Copyright (c) 2016 Intel Corporation.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <net/net_core.h>
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#include <net/net_l2.h>
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#include <net/net_if.h>
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#include <net/arp.h>
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static enum net_verdict ethernet_recv(struct net_if *iface,
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struct net_buf *buf)
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{
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#ifdef CONFIG_NET_ARP
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if ((net_nbuf_ll_reserve(buf) == sizeof(struct net_eth_hdr))) {
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struct net_eth_hdr *eth_hdr =
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(struct net_eth_hdr *) net_nbuf_ll(buf);
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if (ntohs(eth_hdr->type) == NET_ETH_PTYPE_ARP) {
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NET_DBG("ARP packet from %s received",
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net_sprint_ll_addr(
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(uint8_t *)eth_hdr->src.addr,
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sizeof(struct net_eth_addr)));
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return net_arp_input(buf);
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}
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}
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#endif
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return NET_CONTINUE;
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}
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static enum net_verdict ethernet_send(struct net_if *iface,
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struct net_buf *buf)
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{
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#ifdef CONFIG_NET_ARP
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struct net_buf *arp_buf = net_arp_prepare(buf);
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if (!arp_buf) {
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return NET_DROP;
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}
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buf = arp_buf;
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#endif
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net_if_queue_tx(iface, buf);
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return NET_OK;
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}
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NET_L2_INIT(ETHERNET_L2, ethernet_recv, ethernet_send);
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