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- #include <linux/ip.h>
- #include <linux/ipv6.h>
- #include <linux/udp.h>
- #include "ar-internal.h"
- 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;
- }
- }
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