}) 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;
&& ((a1)->as_u64[1] == (a2)->as_u64[1]))
#define ip46_address_initializer {{{ 0 }}}
+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)
{
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 = *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. */
/* 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 u8
+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 u8
+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 ip_dscp_t
+ip6_dscp_network_order (const ip6_header_t * ip6)
+{
+ return (clib_net_to_host_u32 (ip6->ip_version_traffic_class_and_flow_label)
+ & 0x0fc00000) >> 22;
+}
+
+static_always_inline ip_ecn_t
+ip6_ecn_network_order (const ip6_header_t * ip6)
+{
+ return (clib_net_to_host_u32 (ip6->ip_version_traffic_class_and_flow_label)
+ & 0x00300000) >> 20;
+}
+
static_always_inline void
-ip6_set_traffic_class_network_order (ip6_header_t * ip6, u8 dscp)
+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);
ip6->ip_version_traffic_class_and_flow_label = clib_host_to_net_u32 (tmp);
}
+static_always_inline void
+ip6_set_dscp_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 &= 0xf03fffff;
+ tmp |= (dscp << 22);
+ ip6->ip_version_traffic_class_and_flow_label = clib_host_to_net_u32 (tmp);
+}
+
+static_always_inline void
+ip6_set_ecn_network_order (ip6_header_t * ip6, ip_ecn_t ecn)
+{
+ u32 tmp =
+ clib_net_to_host_u32 (ip6->ip_version_traffic_class_and_flow_label);
+ tmp &= 0xffcfffff;
+ tmp |= (ecn << 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)
{
/* Length of this header plus option data in 8 byte units. */
u8 n_data_u64s;
}) ip6_ext_header_t;
+/* *INDENT-ON* */
+
+#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)
+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_ext_authhdr_len(p) ((((ip6_ext_header_t *)(p))->n_data_u64s+2) << 2)
always_inline void *
-ip6_ext_next_header (ip6_ext_header_t *ext_hdr )
-{ return (void *)((u8 *) ext_hdr + ip6_ext_header_len(ext_hdr)); }
+ip6_ext_next_header (ip6_ext_header_t * ext_hdr)
+{
+ return (void *) ((u8 *) ext_hdr + ip6_ext_header_len (ext_hdr));
+}
+
+always_inline int
+vlib_object_within_buffer_data (vlib_main_t * vm, vlib_buffer_t * b,
+ void *obj, size_t len)
+{
+ u8 *o = obj;
+ if (o < b->data ||
+ o + len > b->data + vlib_buffer_get_default_data_size (vm))
+ return 0;
+ return 1;
+}
/*
- * Macro to find the IPv6 ext header of type t
- * I is the IPv6 header
- * P is the previous IPv6 ext header (NULL if none)
- * M is the matched IPv6 ext header of type t
+ * find ipv6 extension header within ipv6 header within buffer b
+ *
+ * @param vm
+ * @param b buffer to limit search to
+ * @param ip6_header ipv6 header
+ * @param header_type extension header type to search for
+ * @param[out] prev_ext_header address of header preceding found header
*/
-#define ip6_ext_header_find_t(i, p, m, t) \
-if ((i)->protocol == t) \
-{ \
- (m) = (void *)((i)+1); \
- (p) = NULL; \
-} \
-else \
-{ \
- (m) = NULL; \
- (p) = (void *)((i)+1); \
- while (ip6_ext_hdr((p)->next_hdr) && \
- ((ip6_ext_header_t *)(p))->next_hdr != (t)) \
- { \
- (p) = ip6_ext_next_header((p)); \
- } \
- if ( ((p)->next_hdr) == (t)) \
- { \
- (m) = (void *)(ip6_ext_next_header((p))); \
- } \
+always_inline void *
+ip6_ext_header_find (vlib_main_t * vm, vlib_buffer_t * b,
+ ip6_header_t * ip6_header, u8 header_type,
+ ip6_ext_header_t ** prev_ext_header)
+{
+ ip6_ext_header_t *prev = NULL;
+ ip6_ext_header_t *result = NULL;
+ if ((ip6_header)->protocol == header_type)
+ {
+ result = (void *) (ip6_header + 1);
+ if (!vlib_object_within_buffer_data (vm, b, result,
+ ip6_ext_header_len (result)))
+ {
+ result = NULL;
+ }
+ }
+ else
+ {
+ result = NULL;
+ prev = (void *) (ip6_header + 1);
+ while (ip6_ext_hdr (prev->next_hdr) && prev->next_hdr != header_type)
+ {
+ prev = ip6_ext_next_header (prev);
+ if (!vlib_object_within_buffer_data (vm, b, prev,
+ ip6_ext_header_len (prev)))
+ {
+ prev = NULL;
+ break;
+ }
+ }
+ if (prev && (prev->next_hdr == header_type))
+ {
+ result = ip6_ext_next_header (prev);
+ if (!vlib_object_within_buffer_data (vm, b, result,
+ ip6_ext_header_len (result)))
+ {
+ result = NULL;
+ }
+ }
+ }
+ if (prev_ext_header)
+ {
+ *prev_ext_header = prev;
+ }
+ return result;
}
-
+/* *INDENT-OFF* */
typedef CLIB_PACKED (struct {
u8 next_hdr;
/* Length of this header plus option data in 8 byte units. */
Code Review / vpp.git / blobdiff