_eth_get_rss_ex_dst_addr(const struct iovec *pkt, int pkt_frags, size_t rthdr_offset, struct ip6_ext_hdr *ext_hdr, struct in6_address *dst_addr) { struct ip6_ext_hdr_routing *rthdr = (struct ip6_ext_hdr_routing *) ext_hdr; if ((rthdr->rtype == 2) && (rthdr->len == sizeof(struct in6_address) / 8) && (rthdr->segleft == 1)) { size_t input_size = iov_size(pkt, pkt_frags); size_t bytes_read; if (input_size < rthdr_offset + sizeof(*ext_hdr)) { return false; } bytes_read = iov_to_buf(pkt, pkt_frags, rthdr_offset + sizeof(*ext_hdr), dst_addr, sizeof(*dst_addr)); return bytes_read == sizeof(dst_addr); } return false; }