40 #ifndef included_ip6_packet_h 41 #define included_ip6_packet_h 60 ip6_address_t ip6_addr;
76 #define ip46_address_is_ip4(ip46) (((ip46)->pad[0] | (ip46)->pad[1] | (ip46)->pad[2]) == 0) 77 #define ip46_address_mask_ip4(ip46) ((ip46)->pad[0] = (ip46)->pad[1] = (ip46)->pad[2] = 0) 78 #define ip46_address_set_ip4(ip46, ip) (ip46_address_mask_ip4(ip46), (ip46)->ip4 = (ip)[0]) 79 #define ip46_address_reset(ip46) ((ip46)->as_u64[0] = (ip46)->as_u64[1] = 0) 80 #define ip46_address_cmp(ip46_1, ip46_2) (memcmp(ip46_1, ip46_2, sizeof(*ip46_1))) 81 #define ip46_address_is_zero(ip46) (((ip46)->as_u64[0] == 0) && ((ip46)->as_u64[1] == 0)) 82 #define ip46_address_is_equal(a1, a2) (((a1)->as_u64[0] == (a2)->as_u64[0]) \ 83 && ((a1)->as_u64[1] == (a2)->as_u64[1])) 90 ip.ip6 = *((ip6_address_t *) buf);
101 addr_fib->ip6_addr = *address;
102 addr_fib->fib_index = fib_index;
114 #define foreach_ip6_multicast_address_scope \ 116 _ (link_local, 0x2) \ 117 _ (admin_local, 0x4) \ 118 _ (site_local, 0x5) \ 119 _ (organization_local, 0x8) \ 122 #define foreach_ip6_multicast_link_local_group_id \ 124 _ (all_routers, 0x2) \ 125 _ (rip_routers, 0x9) \ 126 _ (eigrp_routers, 0xa) \ 127 _ (pim_routers, 0xd) \ 128 _ (mldv2_routers, 0x16) 132 #define _(f,n) IP6_MULTICAST_SCOPE_##f = n, 139 #define _(f,n) IP6_MULTICAST_GROUP_ID_##f = n, 147 return a->
as_u8[0] == 0xff;
159 ip6_multicast_address_scope_t scope,
163 a->
as_u16[0] = clib_host_to_net_u16 (0xff00 | scope);
164 a->
as_u16[7] = clib_host_to_net_u16 (
id);
172 a->
as_u16[0] = clib_host_to_net_u16 (0xff02);
176 a->
as_u32[3] = clib_host_to_net_u32 (
id);
181 u8 * ethernet_address)
184 a->
as_u16[0] = clib_host_to_net_u16 (0xfe80);
186 a->
as_u8[0x8] = ethernet_address[0] | (1 << 6);
187 a->
as_u8[0x9] = ethernet_address[1];
188 a->
as_u8[0xa] = ethernet_address[2];
189 a->
as_u8[0xb] = 0xff;
190 a->
as_u8[0xc] = 0xfe;
191 a->
as_u8[0xd] = ethernet_address[3];
192 a->
as_u8[0xe] = ethernet_address[4];
193 a->
as_u8[0xf] = ethernet_address[5];
199 ethernet_address[0] = 0x33;
200 ethernet_address[1] = 0x33;
201 ethernet_address[2] = ((group_id >> 24) & 0xff);
202 ethernet_address[3] = ((group_id >> 16) & 0xff);
203 ethernet_address[4] = ((group_id >> 8) & 0xff);
204 ethernet_address[5] = ((group_id >> 0) & 0xff);
219 ip6_address_t * mask)
224 uword a_masked, b_masked;
228 if (a_masked != b_masked)
253 int i, byte, bit, bitnum;
255 memset (a, 0,
sizeof (a[0]));
256 for (i = 0; i < width; i++)
258 bitnum = (7 - (i & 7));
261 a->
as_u8[byte] |= bit;
288 a->
as_u8[15] = save ^ 1;
298 return a->
as_u8[0] == 0xfe && (a->
as_u8[1] & 0xc0) == 0x80;
305 return (a->
as_u8[0] & 0xfe) == 0xfc;
312 return (a->
as_u8[0] & 0xe0) == 0x20;
319 return (a->
as_u32[0] == clib_host_to_net_u32 (0xff020000)
321 && a->
as_u32[2] == clib_host_to_net_u32 (1)
322 && a->
as_u8[12] == 0xff);
353 return (
void *) (i + 1);
375 ip6_address_t src0, dst0;
398 ip6_address_t src0, dst0, src1, dst1;
411 u16 src0, dst0, src1, dst1;
428 }) ip6_pad1_option_t;
436 }) ip6_padN_option_t;
441 #define IP6_MLDP_ALERT_TYPE 0x5 445 }) ip6_router_alert_option_t;
460 return (nexthdr == IP_PROTOCOL_IP6_HOP_BY_HOP_OPTIONS) ||
461 (nexthdr == IP_PROTOCOL_IPV6_FRAGMENTATION) ||
462 (nexthdr == IP_PROTOCOL_IPSEC_AH) ||
463 (nexthdr == IP_PROTOCOL_IPV6_ROUTE) ||
464 (nexthdr == IP_PROTOCOL_IP6_DESTINATION_OPTIONS);
467 #define ip6_ext_header_len(p) ((((ip6_ext_header_t *)(p))->n_data_u64s+1) << 3) 468 #define ip6_ext_authhdr_len(p) ((((ip6_ext_header_t *)(p))->n_data_u64s+2) << 2) 480 #define ip6_ext_header_find_t(i, p, m, t) \ 481 if ((i)->protocol == t) \ 483 (m) = (void *)((i)+1); \ 489 (p) = (void *)((i)+1); \ 490 while (ip6_ext_hdr((p)->next_hdr) && \ 491 ((ip6_ext_header_t *)(p))->next_hdr != (t)) \ 493 (p) = ip6_ext_next_header((p)); \ 495 if ( ((p)->next_hdr) == (t)) \ 497 (m) = (void *)(ip6_ext_next_header((p))); \ 507 }) ip6_hop_by_hop_ext_t;
514 u16 fragment_offset_and_more;
519 #define ip6_frag_hdr_offset(hdr) \ 520 (clib_net_to_host_u16((hdr)->fragment_offset_and_more) >> 3) 522 #define ip6_frag_hdr_more(hdr) \ 523 (clib_net_to_host_u16((hdr)->fragment_offset_and_more) & 0x1) 525 #define ip6_frag_hdr_offset_and_more(offset, more) \ 526 clib_host_to_net_u16(((offset) << 3) + !!(more)) static void ip6_address_mask(ip6_address_t *a, ip6_address_t *mask)
#define foreach_ip6_multicast_link_local_group_id
u8 pad[3]
log2 (size of the packing page block)
sll srl srl sll sra u16x4 i
static uword ip6_is_solicited_node_multicast_address(ip6_address_t *a)
static uword ip46_address_is_multicast(ip46_address_t *a)
ip6_multicast_address_scope_t
static uword ip6_address_is_local_unicast(ip6_address_t *a)
static void ip6_copy_header(ip6_header_t *dst, const ip6_header_t *src)
static uword ip6_address_is_global_unicast(ip6_address_t *a)
static void * ip6_ext_next_header(ip6_ext_header_t *ext_hdr)
static uword ip6_address_is_equal_masked(ip6_address_t *a, ip6_address_t *b, ip6_address_t *mask)
struct _tcp_header tcp_header_t
uword as_uword[16/sizeof(uword)]
typedef CLIB_PACKED(struct{ip6_address_t ip6_addr;u32 fib_index;}) ip6_address_fib_t
static uword ip6_address_is_equal(ip6_address_t *a, ip6_address_t *b)
#define foreach_ip6_multicast_address_scope
static uword ip4_address_is_multicast(ip4_address_t *a)
#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 void ip6_addr_fib_init(ip6_address_fib_t *addr_fib, ip6_address_t *address, u32 fib_index)
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)
static uword ip6_address_is_zero(ip6_address_t *a)
#define ip46_address_set_ip4(ip46, ip)
ip6_multicast_link_local_group_id_t
static uword ip6_address_is_loopback(ip6_address_t *a)
static uword ip6_address_is_multicast(ip6_address_t *a)
static void ip6_set_solicited_node_multicast_address(ip6_address_t *a, u32 id)
static uword ip6_address_is_link_local_unicast(ip6_address_t *a)
static u8 ip6_traffic_class(ip6_header_t *i)
static void ip6_address_mask_from_width(ip6_address_t *a, u32 width)
static uword ip6_address_is_unspecified(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 void ip6_link_local_address_from_ethernet_address(ip6_address_t *a, u8 *ethernet_address)
static void ip6_set_reserved_multicast_address(ip6_address_t *a, ip6_multicast_address_scope_t scope, u16 id)