40 #ifndef included_ip6_packet_h 41 #define included_ip6_packet_h 65 ip6_address_t ip6_addr;
88 #define ip46_address_is_ip4(ip46) (((ip46)->pad[0] | (ip46)->pad[1] | (ip46)->pad[2]) == 0) 89 #define ip46_address_mask_ip4(ip46) ((ip46)->pad[0] = (ip46)->pad[1] = (ip46)->pad[2] = 0) 90 #define ip46_address_set_ip4(ip46, ip) (ip46_address_mask_ip4(ip46), (ip46)->ip4 = (ip)[0]) 91 #define ip46_address_reset(ip46) ((ip46)->as_u64[0] = (ip46)->as_u64[1] = 0) 92 #define ip46_address_cmp(ip46_1, ip46_2) (memcmp(ip46_1, ip46_2, sizeof(*ip46_1))) 93 #define ip46_address_is_zero(ip46) (((ip46)->as_u64[0] == 0) && ((ip46)->as_u64[1] == 0)) 94 #define ip46_address_is_equal(a1, a2) (((a1)->as_u64[0] == (a2)->as_u64[0]) \ 95 && ((a1)->as_u64[1] == (a2)->as_u64[1])) 96 #define ip46_address_initializer {{{ 0 }}} 101 dst->as_u64[0] = src->as_u64[0];
102 dst->as_u64[1] = src->as_u64[1];
108 dst->as_u64[0] = src->
as_u64[0];
109 dst->as_u64[1] = src->
as_u64[1];
117 ip.ip6 = *((ip6_address_t *) buf);
129 addr_fib->fib_index = fib_index;
141 #define foreach_ip6_multicast_address_scope \ 143 _ (link_local, 0x2) \ 144 _ (admin_local, 0x4) \ 145 _ (site_local, 0x5) \ 146 _ (organization_local, 0x8) \ 149 #define foreach_ip6_multicast_link_local_group_id \ 151 _ (all_routers, 0x2) \ 152 _ (rip_routers, 0x9) \ 153 _ (eigrp_routers, 0xa) \ 154 _ (pim_routers, 0xd) \ 155 _ (mldv2_routers, 0x16) 159 #define _(f,n) IP6_MULTICAST_SCOPE_##f = n, 166 #define _(f,n) IP6_MULTICAST_GROUP_ID_##f = n, 174 return a->
as_u8[0] == 0xff;
186 ip6_multicast_address_scope_t scope,
190 a->
as_u16[0] = clib_host_to_net_u16 (0xff00 | scope);
191 a->
as_u16[7] = clib_host_to_net_u16 (
id);
199 a->
as_u16[0] = clib_host_to_net_u16 (0xff02);
203 a->
as_u32[3] = clib_host_to_net_u32 (
id);
208 const u8 * ethernet_address)
211 a->
as_u16[0] = clib_host_to_net_u16 (0xfe80);
213 a->
as_u8[0x8] = ethernet_address[0] | (1 << 6);
214 a->
as_u8[0x9] = ethernet_address[1];
215 a->
as_u8[0xa] = ethernet_address[2];
216 a->
as_u8[0xb] = 0xff;
217 a->
as_u8[0xc] = 0xfe;
218 a->
as_u8[0xd] = ethernet_address[3];
219 a->
as_u8[0xe] = ethernet_address[4];
220 a->
as_u8[0xf] = ethernet_address[5];
226 ethernet_address[0] = 0x33;
227 ethernet_address[1] = 0x33;
228 ethernet_address[2] = ((group_id >> 24) & 0xff);
229 ethernet_address[3] = ((group_id >> 16) & 0xff);
230 ethernet_address[4] = ((group_id >> 8) & 0xff);
231 ethernet_address[5] = ((group_id >> 0) & 0xff);
246 const ip6_address_t * b,
247 const ip6_address_t * mask)
252 uword a_masked, b_masked;
256 if (a_masked != b_masked)
281 int i, byte, bit, bitnum;
284 for (i = 0; i < width; i++)
286 bitnum = (7 - (i & 7));
289 a->
as_u8[byte] |= bit;
314 return (a->
as_u64[0] == 0 &&
323 return a->
as_u8[0] == 0xfe && (a->
as_u8[1] & 0xc0) == 0x80;
330 return (a->
as_u8[0] & 0xfe) == 0xfc;
337 return (a->
as_u8[0] & 0xe0) == 0x20;
344 return (a->
as_u32[0] == clib_host_to_net_u32 (0xff020000)
346 && a->
as_u32[2] == clib_host_to_net_u32 (1)
347 && a->
as_u8[12] == 0xff);
407 return (
void *) (i + 1);
429 ip6_address_t src0, dst0;
452 ip6_address_t src0, dst0, src1, dst1;
465 u16 src0, dst0, src1, dst1;
482 }) ip6_pad1_option_t;
490 }) ip6_padN_option_t;
495 #define IP6_MLDP_ALERT_TYPE 0x5 499 }) ip6_router_alert_option_t;
514 return (nexthdr == IP_PROTOCOL_IP6_HOP_BY_HOP_OPTIONS) ||
515 (nexthdr == IP_PROTOCOL_IPV6_FRAGMENTATION) ||
516 (nexthdr == IP_PROTOCOL_IPSEC_AH) ||
517 (nexthdr == IP_PROTOCOL_IPV6_ROUTE) ||
518 (nexthdr == IP_PROTOCOL_IP6_DESTINATION_OPTIONS);
521 #define ip6_ext_header_len(p) ((((ip6_ext_header_t *)(p))->n_data_u64s+1) << 3) 522 #define ip6_ext_authhdr_len(p) ((((ip6_ext_header_t *)(p))->n_data_u64s+2) << 2) 534 #define ip6_ext_header_find_t(i, p, m, t) \ 535 if ((i)->protocol == t) \ 537 (m) = (void *)((i)+1); \ 543 (p) = (void *)((i)+1); \ 544 while (ip6_ext_hdr((p)->next_hdr) && \ 545 ((ip6_ext_header_t *)(p))->next_hdr != (t)) \ 547 (p) = ip6_ext_next_header((p)); \ 549 if ( ((p)->next_hdr) == (t)) \ 551 (m) = (void *)(ip6_ext_next_header((p))); \ 561 }) ip6_hop_by_hop_ext_t;
568 u16 fragment_offset_and_more;
573 #define ip6_frag_hdr_offset(hdr) \ 574 (clib_net_to_host_u16((hdr)->fragment_offset_and_more) >> 3) 576 #define ip6_frag_hdr_offset_bytes(hdr) \ 577 (8 * ip6_frag_hdr_offset(hdr)) 579 #define ip6_frag_hdr_more(hdr) \ 580 (clib_net_to_host_u16((hdr)->fragment_offset_and_more) & 0x1) 582 #define ip6_frag_hdr_offset_and_more(offset, more) \ 583 clib_host_to_net_u16(((offset) << 3) + !!(more)) typedef CLIB_PACKED(struct { ip6_address_t ip6_addr;u32 fib_index;}) ip6_address_fib_t
#define foreach_ip6_multicast_link_local_group_id
u8 pad[3]
log2 (size of the packing page block)
ip6_multicast_address_scope_t
clib_memset(h->entries, 0, sizeof(h->entries[0]) *entries)
static void ip6_copy_header(ip6_header_t *dst, const ip6_header_t *src)
static void * ip6_ext_next_header(ip6_ext_header_t *ext_hdr)
static uword ip6_address_is_local_unicast(const ip6_address_t *a)
static uword ip4_address_is_multicast(const ip4_address_t *a)
static void ip6_address_mask(ip6_address_t *a, const ip6_address_t *mask)
struct _tcp_header tcp_header_t
static u32 ip6_address_hash_to_u32(const ip6_address_t *a)
uword as_uword[16/sizeof(uword)]
static uword ip46_address_is_multicast(const ip46_address_t *a)
static u64 ip6_address_hash_to_u64(const ip6_address_t *a)
#define static_always_inline
static_always_inline void ip6_set_traffic_class_network_order(ip6_header_t *ip6, u8 dscp)
static_always_inline u8 ip6_traffic_class_network_order(const ip6_header_t *ip6)
#define foreach_ip6_multicast_address_scope
static void ip6_link_local_address_from_ethernet_address(ip6_address_t *a, const u8 *ethernet_address)
static uword ip6_address_is_equal_masked(const ip6_address_t *a, const ip6_address_t *b, const ip6_address_t *mask)
#define ip6_ext_header_len(p)
#define ip46_address_is_ip4(ip46)
static void ip6_tcp_reply_x2(ip6_header_t *ip0, ip6_header_t *ip1, tcp_header_t *tcp0, tcp_header_t *tcp1)
static void ip6_address_set_zero(ip6_address_t *a)
static uword ip6_address_is_zero(const ip6_address_t *a)
static_always_inline void ip46_address_copy(ip46_address_t *dst, const ip46_address_t *src)
static uword ip6_address_is_loopback(const ip6_address_t *a)
static void * ip6_next_header(ip6_header_t *i)
static u8 ip6_ext_hdr(u8 nexthdr)
static ip46_address_t to_ip46(u32 is_ipv6, u8 *buf)
#define ip46_address_set_ip4(ip46, ip)
static void ip6_addr_fib_init(ip6_address_fib_t *addr_fib, const ip6_address_t *address, u32 fib_index)
static u8 ip6_traffic_class(const ip6_header_t *i)
ip6_multicast_link_local_group_id_t
static uword ip6_address_is_link_local_unicast(const ip6_address_t *a)
static uword ip6_address_is_equal(const ip6_address_t *a, const ip6_address_t *b)
static_always_inline void ip46_address_set_ip6(ip46_address_t *dst, const ip6_address_t *src)
static uword ip6_address_is_multicast(const ip6_address_t *a)
static uword ip6_address_is_global_unicast(const ip6_address_t *a)
static void ip6_set_solicited_node_multicast_address(ip6_address_t *a, u32 id)
static void ip6_address_mask_from_width(ip6_address_t *a, u32 width)
static uword ip6_address_is_unspecified(const ip6_address_t *a)
static void ip6_tcp_reply_x1(ip6_header_t *ip0, tcp_header_t *tcp0)
static void ip6_multicast_ethernet_address(u8 *ethernet_address, u32 group_id)
static uword ip6_is_solicited_node_multicast_address(const ip6_address_t *a)
static void ip6_set_reserved_multicast_address(ip6_address_t *a, ip6_multicast_address_scope_t scope, u16 id)