#include <vnet/ip/tcp_packet.h>
#include <vnet/ip/ip4_packet.h>
-typedef union {
+typedef union
+{
u8 as_u8[16];
u16 as_u16[8];
u32 as_u32[4];
u64 as_u64[2];
uword as_uword[16 / sizeof (uword)];
-} ip6_address_t;
+}
+ip6_address_t;
/* Packed so that the mhash key doesn't include uninitialized pad bytes */
+/* *INDENT-OFF* */
typedef CLIB_PACKED (struct {
/* IP address must be first for ip_interface_address_get_address() to work */
ip6_address_t ip6_addr;
u32 fib_index;
}) ip6_address_fib_t;
+/* *INDENT-ON* */
+/* *INDENT-OFF* */
typedef CLIB_PACKED (union {
struct {
u32 pad[3];
ip4_address_t ip4;
};
ip6_address_t ip6;
+ u8 as_u8[16];
u64 as_u64[2];
}) ip46_address_t;
+/* *INDENT-ON* */
#define ip46_address_is_ip4(ip46) (((ip46)->pad[0] | (ip46)->pad[1] | (ip46)->pad[2]) == 0)
#define ip46_address_mask_ip4(ip46) ((ip46)->pad[0] = (ip46)->pad[1] = (ip46)->pad[2] = 0)
#define ip46_address_set_ip4(ip46, ip) (ip46_address_mask_ip4(ip46), (ip46)->ip4 = (ip)[0])
#define ip46_address_reset(ip46) ((ip46)->as_u64[0] = (ip46)->as_u64[1] = 0)
+#define ip46_address_cmp(ip46_1, ip46_2) (memcmp(ip46_1, ip46_2, sizeof(*ip46_1)))
+#define ip46_address_is_zero(ip46) (((ip46)->as_u64[0] == 0) && ((ip46)->as_u64[1] == 0))
+
+always_inline void
+ip46_from_addr_buf (u32 is_ipv6, u8 * buf, ip46_address_t * ip)
+{
+ if (is_ipv6)
+ ip->ip6 = *((ip6_address_t *) buf);
+ else
+ ip46_address_set_ip4 (ip, (ip4_address_t *) buf);
+}
always_inline void
ip6_addr_fib_init (ip6_address_fib_t * addr_fib, ip6_address_t * address,
link local unicast fe80::/10
multicast ff00::/8
ietf reserved everything else. */
-
+
#define foreach_ip6_multicast_address_scope \
_ (loopback, 0x1) \
_ (link_local, 0x2) \
_ (pim_routers, 0xd) \
_ (mldv2_routers, 0x16)
-typedef enum {
+typedef enum
+{
#define _(f,n) IP6_MULTICAST_SCOPE_##f = n,
foreach_ip6_multicast_address_scope
#undef _
} ip6_multicast_address_scope_t;
-typedef enum {
+typedef enum
+{
#define _(f,n) IP6_MULTICAST_GROUP_ID_##f = n,
foreach_ip6_multicast_link_local_group_id
#undef _
always_inline uword
ip6_address_is_multicast (ip6_address_t * a)
-{ return a->as_u8[0] == 0xff; }
+{
+ return a->as_u8[0] == 0xff;
+}
+
+always_inline uword
+ip46_address_is_multicast (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_set_reserved_multicast_address (ip6_address_t * a,
}
always_inline void
-ip6_link_local_address_from_ethernet_address (ip6_address_t * a, u8 * ethernet_address)
+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);
ethernet_address[1] = 0x33;
ethernet_address[2] = ((group_id >> 24) & 0xff);
ethernet_address[3] = ((group_id >> 16) & 0xff);
- ethernet_address[4] = ((group_id >> 8) & 0xff);
- ethernet_address[5] = ((group_id >> 0) & 0xff);
+ ethernet_address[4] = ((group_id >> 8) & 0xff);
+ ethernet_address[5] = ((group_id >> 0) & 0xff);
}
always_inline uword
}
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 (ip6_address_t * a, ip6_address_t * b,
+ ip6_address_t * mask)
{
int i;
for (i = 0; i < ARRAY_LEN (a->as_uword); i++)
b_masked = b->as_uword[i] & mask->as_uword[i];
if (a_masked != b_masked)
- return 0;
+ return 0;
}
return 1;
}
{
bitnum = (7 - (i & 7));
byte = i / 8;
- bit = 1<<bitnum;
+ bit = 1 << bitnum;
a->as_u8[byte] |= bit;
}
}
/* Check for unspecified address ::0 */
always_inline uword
ip6_address_is_unspecified (ip6_address_t * a)
-{ return ip6_address_is_zero (a); }
+{
+ return ip6_address_is_zero (a);
+}
/* Check for loopback address ::1 */
always_inline uword
/* Check for link local unicast fe80::/10. */
always_inline uword
ip6_address_is_link_local_unicast (ip6_address_t * a)
-{ return a->as_u8[0] == 0xfe && (a->as_u8[1] & 0xc0) == 0x80; }
+{
+ 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)
-{ return (a->as_u8[0] & 0xfe) == 0xfc; }
+{
+ 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)
+{
+ return (a->as_u8[0] & 0xe0) == 0x20;
+}
/* Check for solicited node multicast 0xff02::1:ff00:0/104 */
always_inline uword
&& a->as_u8[12] == 0xff);
}
-typedef struct {
+typedef struct
+{
/* 4 bit version, 8 bit traffic class and 20 bit flow label. */
u32 ip_version_traffic_class_and_flow_label;
always_inline void *
ip6_next_header (ip6_header_t * i)
-{ return (void *) (i + 1); }
+{
+ return (void *) (i + 1);
+}
+
+always_inline void
+ip6_copy_header (ip6_header_t * dst, const ip6_header_t * src)
+{
+ dst->ip_version_traffic_class_and_flow_label =
+ src->ip_version_traffic_class_and_flow_label;
+ dst->payload_length = src->payload_length;
+ dst->protocol = src->protocol;
+ dst->hop_limit = src->hop_limit;
+
+ dst->src_address.as_uword[0] = src->src_address.as_uword[0];
+ dst->src_address.as_uword[1] = src->src_address.as_uword[1];
+ dst->dst_address.as_uword[0] = src->dst_address.as_uword[0];
+ dst->dst_address.as_uword[1] = src->dst_address.as_uword[1];
+}
always_inline void
ip6_tcp_reply_x1 (ip6_header_t * ip0, tcp_header_t * tcp0)
}
+/* *INDENT-OFF* */
typedef CLIB_PACKED (struct {
u8 data;
}) ip6_pad1_option_t;
+/* *INDENT-ON* */
+/* *INDENT-OFF* */
typedef CLIB_PACKED (struct {
u8 type;
u8 len;
u8 data[0];
}) ip6_padN_option_t;
+/* *INDENT-ON* */
+/* *INDENT-OFF* */
typedef CLIB_PACKED (struct {
-#define IP6_MLDP_ALERT_TYPE 0x5
+#define IP6_MLDP_ALERT_TYPE 0x5
u8 type;
u8 len;
u16 value;
}) ip6_router_alert_option_t;
+/* *INDENT-ON* */
+
+/* *INDENT-OFF* */
+typedef CLIB_PACKED (struct {
+ u8 next_hdr;
+ /* Length of this header plus option data in 8 byte units. */
+ u8 n_data_u64s;
+}) ip6_ext_header_t;
+
+always_inline u8 ip6_ext_hdr(u8 nexthdr)
+{
+ /*
+ * find out if nexthdr is an extension header or a protocol
+ */
+ return (nexthdr == IP_PROTOCOL_IP6_HOP_BY_HOP_OPTIONS) ||
+ (nexthdr == IP_PROTOCOL_IP6_NONXT) ||
+ (nexthdr == IP_PROTOCOL_IPV6_FRAGMENTATION) ||
+ (nexthdr == IP_PROTOCOL_IPSEC_AH) ||
+ (nexthdr == IP_PROTOCOL_IPV6_ROUTE) ||
+ (nexthdr == IP_PROTOCOL_IP6_DESTINATION_OPTIONS);
+}
+
+#define ip6_ext_header_len(p) (((p)->n_data_u64s+1) << 3)
+#define ip6_ext_authhdr_len(p) (((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)); }
typedef CLIB_PACKED (struct {
u8 next_hdr;
u8 n_data_u64s;
u8 data[0];
}) ip6_hop_by_hop_ext_t;
+/* *INDENT-ON* */
+/* *INDENT-OFF* */
typedef CLIB_PACKED (struct {
u8 next_hdr;
u8 rsv;
u16 fragment_offset_and_more;
u32 identification;
}) ip6_frag_hdr_t;
+/* *INDENT-ON* */
#define ip6_frag_hdr_offset(hdr) \
(clib_net_to_host_u16((hdr)->fragment_offset_and_more) >> 3)
clib_host_to_net_u16(((offset) << 3) + !!(more))
#endif /* included_ip6_packet_h */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
Code Review / vpp.git / blobdiff