46efe3ed70
If there are no sockets in the system, then do not drop the packet immediately as there can be other L2 network handlers like gPTP in the system. This will also allow ICMP messages to pass to local handler. Fixes #34865 Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
61 lines
1.6 KiB
C
61 lines
1.6 KiB
C
/** @file
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* @brief Packet Sockets related functions
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*/
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/*
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* Copyright (c) 2019 Intel Corporation
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <logging/log.h>
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LOG_MODULE_REGISTER(net_sockets_raw, CONFIG_NET_SOCKETS_LOG_LEVEL);
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#include <errno.h>
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#include <net/net_pkt.h>
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#include <net/net_context.h>
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#include <net/ethernet.h>
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#include <net/dsa.h>
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#include "connection.h"
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#include "packet_socket.h"
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enum net_verdict net_packet_socket_input(struct net_pkt *pkt, uint8_t proto)
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{
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sa_family_t orig_family;
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#if IS_ENABLED(CONFIG_NET_DSA)
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/*
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* For DSA the master port is not supporting raw packets. Only the
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* lan1..3 are working with them.
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*/
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if (dsa_is_port_master(net_pkt_iface(pkt))) {
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return NET_CONTINUE;
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}
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#endif
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/* Currently we are skipping L2 layer verification and not
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* removing L2 header from packet.
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* TODO :
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* 1) Pass it through L2 layer, so that L2 will verify
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* that packet is intended to us or not and sets src and dst lladdr.
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* And L2 should not pull off L2 header when combination of socket
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* like this AF_PACKET, SOCK_RAW and ETH_P_ALL proto.
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* 2) Socket combination of AF_INET, SOCK_RAW, IPPROTO_RAW
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* packet has to go through L2 and L2 verfies it's header and removes
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* header. Only packet with L3 header will be given to socket.
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* 3) If user opens raw and non raw socket together, based on raw
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* socket combination packet has to be feed to raw socket and only
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* data part to be feed to non raw socket.
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*/
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orig_family = net_pkt_family(pkt);
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net_pkt_set_family(pkt, AF_PACKET);
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(void)net_conn_input(pkt, NULL, proto, NULL);
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net_pkt_set_family(pkt, orig_family);
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return NET_CONTINUE;
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}
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