Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
45 lines
1.2 KiB
C
45 lines
1.2 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/* Utility routines
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*
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* Copyright (C) 2015 Red Hat, Inc. All Rights Reserved.
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* Written by David Howells (dhowells@redhat.com)
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*/
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#include <linux/ip.h>
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#include <linux/ipv6.h>
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#include <linux/udp.h>
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#include "ar-internal.h"
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/*
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* Fill out a peer address from a socket buffer containing a packet.
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*/
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int rxrpc_extract_addr_from_skb(struct sockaddr_rxrpc *srx, struct sk_buff *skb)
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{
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memset(srx, 0, sizeof(*srx));
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switch (ntohs(skb->protocol)) {
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case ETH_P_IP:
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srx->transport_type = SOCK_DGRAM;
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srx->transport_len = sizeof(srx->transport.sin);
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srx->transport.sin.sin_family = AF_INET;
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srx->transport.sin.sin_port = udp_hdr(skb)->source;
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srx->transport.sin.sin_addr.s_addr = ip_hdr(skb)->saddr;
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return 0;
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#ifdef CONFIG_AF_RXRPC_IPV6
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case ETH_P_IPV6:
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srx->transport_type = SOCK_DGRAM;
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srx->transport_len = sizeof(srx->transport.sin6);
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srx->transport.sin6.sin6_family = AF_INET6;
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srx->transport.sin6.sin6_port = udp_hdr(skb)->source;
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srx->transport.sin6.sin6_addr = ipv6_hdr(skb)->saddr;
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return 0;
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#endif
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default:
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pr_warn_ratelimited("AF_RXRPC: Unknown eth protocol %u\n",
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ntohs(skb->protocol));
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return -EAFNOSUPPORT;
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}
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}
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