} ip6_ctlun;
nd_ipv6 ip6_src; /* source address */
nd_ipv6 ip6_dst; /* destination address */
-} ND_UNALIGNED;
+};
#define ip6_vfc ip6_ctlun.ip6_un2_vfc
-#define IP6_VERSION(ip6_hdr) ((EXTRACT_U_1((ip6_hdr)->ip6_vfc) & 0xf0) >> 4)
+#define IP6_VERSION(ip6_hdr) ((GET_U_1((ip6_hdr)->ip6_vfc) & 0xf0) >> 4)
#define ip6_flow ip6_ctlun.ip6_un1.ip6_un1_flow
#define ip6_plen ip6_ctlun.ip6_un1.ip6_un1_plen
#define ip6_nxt ip6_ctlun.ip6_un1.ip6_un1_nxt
struct ip6_ext {
nd_uint8_t ip6e_nxt;
nd_uint8_t ip6e_len;
-} ND_UNALIGNED;
+};
/* Hop-by-Hop options header */
struct ip6_hbh {
nd_uint8_t ip6h_nxt; /* next header */
nd_uint8_t ip6h_len; /* length in units of 8 octets */
/* followed by options */
-} ND_UNALIGNED;
+};
/* Destination options header */
struct ip6_dest {
nd_uint8_t ip6d_nxt; /* next header */
nd_uint8_t ip6d_len; /* length in units of 8 octets */
/* followed by options */
-} ND_UNALIGNED;
+};
-/* http://www.iana.org/assignments/ipv6-parameters/ipv6-parameters.xhtml */
+/* https://www.iana.org/assignments/ipv6-parameters/ipv6-parameters.xhtml */
/* Option types and related macros */
#define IP6OPT_PAD1 0x00 /* 00 0 00000 */
nd_uint8_t ip6r_type; /* routing type */
nd_uint8_t ip6r_segleft; /* segments left */
/* followed by routing type specific data */
-} ND_UNALIGNED;
+};
#define IPV6_RTHDR_TYPE_0 0
#define IPV6_RTHDR_TYPE_2 2
nd_uint8_t ip6f_reserved; /* reserved field */
nd_uint16_t ip6f_offlg; /* offset, reserved, and flag */
nd_uint32_t ip6f_ident; /* identification */
-} ND_UNALIGNED;
+};
#define IP6F_OFF_MASK 0xfff8 /* mask out offset from ip6f_offlg */
#define IP6F_RESERVED_MASK 0x0006 /* reserved bits in ip6f_offlg */