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Lines Matching refs:ipv6

41 #include <linux/ipv6.h>
137  * Check whether destination IPv6 is in allowed IPs list
139 static int dest_ip_allowed6(struct xdp_server *xdp, struct ipv6hdr *ipv6);
179 static inline void swap_ipv6(struct ipv6hdr *ipv6);
182 static inline void *parse_ipv6(struct ipv6hdr *ipv6);
556 static int dest_ip_allowed6(struct xdp_server *xdp, struct ipv6hdr *ipv6) {
565 		            &ipv6->daddr,
656 static inline void swap_ipv6(struct ipv6hdr *ipv6) {
658 	memcpy(&tmp_ip, &ipv6->saddr, sizeof(tmp_ip));
659 	memcpy(&ipv6->saddr, &ipv6->daddr, sizeof(tmp_ip));
660 	memcpy(&ipv6->daddr, &tmp_ip, sizeof(tmp_ip));
677 static inline void *parse_ipv6(struct ipv6hdr *ipv6) {
678 	if (ipv6->nexthdr != IPPROTO_UDP)
681 	return (void *)(ipv6 + 1);
747 	struct ipv6hdr *ipv6 = NULL;
753 	 * at least an ethernet header, an ipv4 header (ipv6 header is larger), and
763 		ipv6 = (struct ipv6hdr *)(eth + 1);
765 		if (*len < (sizeof(*eth) + sizeof(*ipv6) + sizeof(*udp)))
767 		if (!(udp = parse_ipv6(ipv6)))
770 		dnslen -= (uint32_t) (sizeof(*eth) + sizeof(*ipv6) + sizeof(*udp));
771 		data_before_dnshdr_len += sizeof(*ipv6);
773 		if (!dest_ip_allowed6(xdp, ipv6))
805 	if(ipv6) {
812 		memcpy(&sock6->sin6_addr, &ipv6->saddr, sizeof(ipv6->saddr));
853 	} else if (ipv6) {
854 		swap_ipv6(ipv6);
855 		ipv6->payload_len = udp->len;
856 		udp->check = calc_csum_udp6(udp, ipv6);