/* Utility routines * * Copyright (C) 2015 Red Hat, Inc. All Rights Reserved. * Written by David Howells (dhowells@redhat.com) * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public Licence * as published by the Free Software Foundation; either version * 2 of the Licence, or (at your option) any later version. */ #include #include #include #include "ar-internal.h" /* * Fill out a peer address from a socket buffer containing a packet. */ int rxrpc_extract_addr_from_skb(struct sockaddr_rxrpc *srx, struct sk_buff *skb) { memset(srx, 0, sizeof(*srx)); switch (ntohs(skb->protocol)) { case ETH_P_IP: srx->transport_type = SOCK_DGRAM; srx->transport_len = sizeof(srx->transport.sin); srx->transport.sin.sin_family = AF_INET; srx->transport.sin.sin_port = udp_hdr(skb)->source; srx->transport.sin.sin_addr.s_addr = ip_hdr(skb)->saddr; return 0; #ifdef CONFIG_AF_RXRPC_IPV6 case ETH_P_IPV6: srx->transport_type = SOCK_DGRAM; srx->transport_len = sizeof(srx->transport.sin6); srx->transport.sin6.sin6_family = AF_INET6; srx->transport.sin6.sin6_port = udp_hdr(skb)->source; srx->transport.sin6.sin6_addr = ipv6_hdr(skb)->saddr; return 0; #endif default: pr_warn_ratelimited("AF_RXRPC: Unknown eth protocol %u\n", ntohs(skb->protocol)); return -EAFNOSUPPORT; } } mbingsTobias Klauser
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