diff options
Diffstat (limited to 'vnet/vnet/ip/ip6_packet.h')
-rw-r--r-- | vnet/vnet/ip/ip6_packet.h | 111 |
1 files changed, 75 insertions, 36 deletions
diff --git a/vnet/vnet/ip/ip6_packet.h b/vnet/vnet/ip/ip6_packet.h index d29a06942ef..1e551c8b67d 100644 --- a/vnet/vnet/ip/ip6_packet.h +++ b/vnet/vnet/ip/ip6_packet.h @@ -43,21 +43,26 @@ #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]; @@ -67,6 +72,7 @@ typedef CLIB_PACKED (union { 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]) @@ -75,12 +81,12 @@ typedef CLIB_PACKED (union { #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) +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); + ip46_address_set_ip4 (ip, (ip4_address_t *) buf); } always_inline void @@ -100,7 +106,7 @@ 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) \ @@ -117,13 +123,15 @@ ip6_addr_fib_init (ip6_address_fib_t * addr_fib, ip6_address_t * address, _ (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 _ @@ -131,13 +139,15 @@ typedef enum { 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); + return ip46_address_is_ip4 (a) ? ip4_address_is_multicast (&a->ip4) : + ip6_address_is_multicast (&a->ip6); } always_inline void @@ -163,7 +173,8 @@ ip6_set_solicited_node_multicast_address (ip6_address_t * a, u32 id) } 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); @@ -185,8 +196,8 @@ ip6_multicast_ethernet_address (u8 * ethernet_address, u32 group_id) 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 @@ -200,8 +211,8 @@ ip6_address_is_equal (ip6_address_t * a, ip6_address_t * b) } 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++) @@ -211,7 +222,7 @@ ip6_address_is_equal_masked (ip6_address_t * a, ip6_address_t * b, b_masked = b->as_uword[i] & mask->as_uword[i]; if (a_masked != b_masked) - return 0; + return 0; } return 1; } @@ -242,7 +253,7 @@ ip6_address_mask_from_width (ip6_address_t * a, u32 width) { bitnum = (7 - (i & 7)); byte = i / 8; - bit = 1<<bitnum; + bit = 1 << bitnum; a->as_u8[byte] |= bit; } } @@ -260,7 +271,9 @@ ip6_address_is_zero (ip6_address_t * a) /* 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 @@ -277,17 +290,23 @@ ip6_address_is_loopback (ip6_address_t * a) /* 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; } +{ + return (a->as_u8[0] & 0xe0) == 0x20; +} /* Check for solicited node multicast 0xff02::1:ff00:0/104 */ always_inline uword @@ -299,7 +318,8 @@ ip6_is_solicited_node_multicast_address (ip6_address_t * a) && 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; @@ -319,22 +339,23 @@ typedef struct { 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) +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]; + 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 @@ -391,23 +412,30 @@ ip6_tcp_reply_x2 (ip6_header_t * ip0, ip6_header_t * ip1, } +/* *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. */ @@ -440,13 +468,16 @@ typedef CLIB_PACKED (struct { 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) @@ -458,3 +489,11 @@ typedef CLIB_PACKED (struct { 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: + */ |