}
ip6_address_t;
+typedef struct
+{
+ ip6_address_t addr, mask;
+} ip6_address_and_mask_t;
+
/* Packed so that the mhash key doesn't include uninitialized pad bytes */
/* *INDENT-OFF* */
typedef CLIB_PACKED (struct {
}) ip6_address_fib_t;
/* *INDENT-ON* */
+typedef enum
+{
+ IP46_TYPE_ANY,
+ IP46_TYPE_IP4,
+ IP46_TYPE_IP6
+} ip46_type_t;
+
/* *INDENT-OFF* */
-typedef CLIB_PACKED (union {
+typedef CLIB_PACKED (union ip46_address_t_ {
struct {
u32 pad[3];
ip4_address_t ip4;
#define ip46_address_is_zero(ip46) (((ip46)->as_u64[0] == 0) && ((ip46)->as_u64[1] == 0))
#define ip46_address_is_equal(a1, a2) (((a1)->as_u64[0] == (a2)->as_u64[0]) \
&& ((a1)->as_u64[1] == (a2)->as_u64[1]))
+#define ip46_address_initializer {{{ 0 }}}
-always_inline void
-ip46_from_addr_buf (u32 is_ipv6, u8 * buf, ip46_address_t * ip)
+static_always_inline int
+ip46_address_is_equal_v4 (const ip46_address_t * ip46,
+ const ip4_address_t * ip4)
+{
+ return (ip46->ip4.as_u32 == ip4->as_u32);
+}
+
+static_always_inline int
+ip46_address_is_equal_v6 (const ip46_address_t * ip46,
+ const ip6_address_t * ip6)
+{
+ return ((ip46->ip6.as_u64[0] == ip6->as_u64[0]) &&
+ (ip46->ip6.as_u64[1] == ip6->as_u64[1]));
+}
+
+static_always_inline void
+ip46_address_copy (ip46_address_t * dst, const ip46_address_t * src)
{
+ dst->as_u64[0] = src->as_u64[0];
+ dst->as_u64[1] = src->as_u64[1];
+}
+
+static_always_inline void
+ip46_address_set_ip6 (ip46_address_t * dst, const ip6_address_t * src)
+{
+ dst->as_u64[0] = src->as_u64[0];
+ dst->as_u64[1] = src->as_u64[1];
+}
+
+always_inline ip46_address_t
+to_ip46 (u32 is_ipv6, u8 * buf)
+{
+ ip46_address_t ip;
if (is_ipv6)
- ip->ip6 = *((ip6_address_t *) buf);
+ ip.ip6 = *((ip6_address_t *) buf);
else
- ip46_address_set_ip4 (ip, (ip4_address_t *) buf);
+ ip46_address_set_ip4 (&ip, (ip4_address_t *) buf);
+ return ip;
}
+
always_inline void
-ip6_addr_fib_init (ip6_address_fib_t * addr_fib, ip6_address_t * address,
- u32 fib_index)
+ip6_addr_fib_init (ip6_address_fib_t * addr_fib,
+ const ip6_address_t * address, u32 fib_index)
{
- addr_fib->ip6_addr.as_u64[0] = address->as_u64[0];
- addr_fib->ip6_addr.as_u64[1] = address->as_u64[1];
+ addr_fib->ip6_addr = *address;
addr_fib->fib_index = fib_index;
}
} ip6_multicast_link_local_group_id_t;
always_inline uword
-ip6_address_is_multicast (ip6_address_t * a)
+ip6_address_is_multicast (const ip6_address_t * a)
{
return a->as_u8[0] == 0xff;
}
always_inline uword
-ip46_address_is_multicast (ip46_address_t * a)
+ip46_address_is_multicast (const ip46_address_t * a)
{
return ip46_address_is_ip4 (a) ? ip4_address_is_multicast (&a->ip4) :
ip6_address_is_multicast (&a->ip6);
}
+always_inline void
+ip6_address_copy (ip6_address_t * dst, const ip6_address_t * src)
+{
+ dst->as_u64[0] = src->as_u64[0];
+ dst->as_u64[1] = src->as_u64[1];
+}
+
always_inline void
ip6_set_reserved_multicast_address (ip6_address_t * a,
ip6_multicast_address_scope_t scope,
a->as_u32[3] = clib_host_to_net_u32 (id);
}
-always_inline void
-ip6_link_local_address_from_ethernet_address (ip6_address_t * a,
- u8 * ethernet_address)
-{
- a->as_u64[0] = a->as_u64[1] = 0;
- a->as_u16[0] = clib_host_to_net_u16 (0xfe80);
- /* Always set locally administered bit (6). */
- a->as_u8[0x8] = ethernet_address[0] | (1 << 6);
- a->as_u8[0x9] = ethernet_address[1];
- a->as_u8[0xa] = ethernet_address[2];
- a->as_u8[0xb] = 0xff;
- a->as_u8[0xc] = 0xfe;
- a->as_u8[0xd] = ethernet_address[3];
- a->as_u8[0xe] = ethernet_address[4];
- a->as_u8[0xf] = ethernet_address[5];
-}
-
always_inline void
ip6_multicast_ethernet_address (u8 * ethernet_address, u32 group_id)
{
}
always_inline uword
-ip6_address_is_equal (ip6_address_t * a, ip6_address_t * b)
+ip6_address_is_equal (const ip6_address_t * a, const ip6_address_t * b)
{
int i;
for (i = 0; i < ARRAY_LEN (a->as_uword); i++)
}
always_inline uword
-ip6_address_is_equal_masked (ip6_address_t * a, ip6_address_t * b,
- ip6_address_t * mask)
+ip6_address_is_equal_masked (const ip6_address_t * a,
+ const ip6_address_t * b,
+ const ip6_address_t * mask)
{
int i;
for (i = 0; i < ARRAY_LEN (a->as_uword); i++)
}
always_inline void
-ip6_address_mask (ip6_address_t * a, ip6_address_t * mask)
+ip6_address_mask (ip6_address_t * a, const ip6_address_t * mask)
{
int i;
for (i = 0; i < ARRAY_LEN (a->as_uword); i++)
{
int i, byte, bit, bitnum;
ASSERT (width <= 128);
- memset (a, 0, sizeof (a[0]));
+ clib_memset (a, 0, sizeof (a[0]));
for (i = 0; i < width; i++)
{
bitnum = (7 - (i & 7));
}
always_inline uword
-ip6_address_is_zero (ip6_address_t * a)
+ip6_address_is_zero (const ip6_address_t * a)
{
int i;
for (i = 0; i < ARRAY_LEN (a->as_uword); i++)
/* Check for unspecified address ::0 */
always_inline uword
-ip6_address_is_unspecified (ip6_address_t * a)
+ip6_address_is_unspecified (const ip6_address_t * a)
{
return ip6_address_is_zero (a);
}
/* Check for loopback address ::1 */
always_inline uword
-ip6_address_is_loopback (ip6_address_t * a)
+ip6_address_is_loopback (const ip6_address_t * a)
{
- uword is_loopback;
- u8 save = a->as_u8[15];
- a->as_u8[15] = save ^ 1;
- is_loopback = ip6_address_is_zero (a);
- a->as_u8[15] = save;
- return is_loopback;
+ return (a->as_u64[0] == 0 &&
+ a->as_u32[2] == 0 &&
+ a->as_u16[6] == 0 && a->as_u8[14] == 0 && a->as_u8[15] == 1);
}
/* Check for link local unicast fe80::/10. */
always_inline uword
-ip6_address_is_link_local_unicast (ip6_address_t * a)
+ip6_address_is_link_local_unicast (const ip6_address_t * a)
{
return a->as_u8[0] == 0xfe && (a->as_u8[1] & 0xc0) == 0x80;
}
/* Check for unique local unicast fc00::/7. */
always_inline uword
-ip6_address_is_local_unicast (ip6_address_t * a)
+ip6_address_is_local_unicast (const ip6_address_t * a)
{
return (a->as_u8[0] & 0xfe) == 0xfc;
}
/* Check for unique global unicast 2000::/3. */
always_inline uword
-ip6_address_is_global_unicast (ip6_address_t * a)
+ip6_address_is_global_unicast (const ip6_address_t * a)
{
return (a->as_u8[0] & 0xe0) == 0x20;
}
/* Check for solicited node multicast 0xff02::1:ff00:0/104 */
always_inline uword
-ip6_is_solicited_node_multicast_address (ip6_address_t * a)
+ip6_is_solicited_node_multicast_address (const ip6_address_t * a)
{
return (a->as_u32[0] == clib_host_to_net_u32 (0xff020000)
&& a->as_u32[1] == 0
&& a->as_u8[12] == 0xff);
}
+always_inline u32
+ip6_address_hash_to_u32 (const ip6_address_t * a)
+{
+ return (a->as_u32[0] ^ a->as_u32[1] ^ a->as_u32[2] ^ a->as_u32[3]);
+}
+
+always_inline u64
+ip6_address_hash_to_u64 (const ip6_address_t * a)
+{
+ return (a->as_u64[0] ^ a->as_u64[1]);
+}
+
typedef struct
{
/* 4 bit version, 8 bit traffic class and 20 bit flow label. */
ip6_address_t src_address, dst_address;
} ip6_header_t;
+always_inline ip_dscp_t
+ip6_traffic_class (const ip6_header_t * i)
+{
+ return (i->ip_version_traffic_class_and_flow_label & 0x0FF00000) >> 20;
+}
+
+static_always_inline ip_dscp_t
+ip6_traffic_class_network_order (const ip6_header_t * ip6)
+{
+ return (clib_net_to_host_u32 (ip6->ip_version_traffic_class_and_flow_label)
+ & 0x0ff00000) >> 20;
+}
+
+static_always_inline void
+ip6_set_traffic_class_network_order (ip6_header_t * ip6, ip_dscp_t dscp)
+{
+ u32 tmp =
+ clib_net_to_host_u32 (ip6->ip_version_traffic_class_and_flow_label);
+ tmp &= 0xf00fffff;
+ tmp |= (dscp << 20);
+ ip6->ip_version_traffic_class_and_flow_label = clib_host_to_net_u32 (tmp);
+}
+
always_inline void *
ip6_next_header (ip6_header_t * i)
{
u8 n_data_u64s;
}) ip6_ext_header_t;
+#define foreach_ext_hdr_type \
+ _(IP6_HOP_BY_HOP_OPTIONS) \
+ _(IPV6_ROUTE) \
+ _(IPV6_FRAGMENTATION) \
+ _(IPSEC_ESP) \
+ _(IPSEC_AH) \
+ _(IP6_DESTINATION_OPTIONS) \
+ _(MOBILITY) \
+ _(HIP) \
+ _(SHIM6)
+
always_inline u8 ip6_ext_hdr(u8 nexthdr)
{
+#ifdef CLIB_HAVE_VEC128
+ static const u8x16 ext_hdr_types = {
+#define _(x) IP_PROTOCOL_##x,
+ foreach_ext_hdr_type
+#undef _
+ };
+
+ return !u8x16_is_all_zero (ext_hdr_types == u8x16_splat (nexthdr));
+#else
/*
* find out if nexthdr is an extension header or a protocol
*/
- return (nexthdr == IP_PROTOCOL_IP6_HOP_BY_HOP_OPTIONS) ||
- (nexthdr == IP_PROTOCOL_IPV6_FRAGMENTATION) ||
- (nexthdr == IP_PROTOCOL_IPSEC_AH) ||
- (nexthdr == IP_PROTOCOL_IPV6_ROUTE) ||
- (nexthdr == IP_PROTOCOL_IP6_DESTINATION_OPTIONS);
+ return 0
+#define _(x) || (nexthdr == IP_PROTOCOL_##x)
+ foreach_ext_hdr_type;
+#undef _
+#endif
}
#define ip6_ext_header_len(p) ((((ip6_ext_header_t *)(p))->n_data_u64s+1) << 3)
#define ip6_frag_hdr_offset(hdr) \
(clib_net_to_host_u16((hdr)->fragment_offset_and_more) >> 3)
+#define ip6_frag_hdr_offset_bytes(hdr) \
+ (8 * ip6_frag_hdr_offset(hdr))
+
#define ip6_frag_hdr_more(hdr) \
(clib_net_to_host_u16((hdr)->fragment_offset_and_more) & 0x1)