40 #ifndef included_ip_main_h 41 #define included_ip_main_h 153 u32 first_buffer_offset,
157 u32 n_bytes_left = n_bytes_to_checksum;
170 if (n_bytes_left == 0)
185 u8 * iph,
u32 ip_header_size,
u8 * l4h)
188 u8 *data_this_buffer, length_odd;
189 u32 n_bytes_left, n_this_buffer, n_ip_bytes_this_buffer;
191 n_bytes_left = payload_length;
196 n_this_buffer = payload_length;
197 data_this_buffer = l4h;
205 n_this_buffer = payload_length;
206 data_this_buffer = iph + ip_header_size;
207 n_ip_bytes_this_buffer =
210 n_ip_bytes_this_buffer))
212 n_this_buffer = n_ip_bytes_this_buffer - ip_header_size;
224 n_this_buffer =
clib_min (n_this_buffer, n_bytes_left);
230 n_bytes_left -= n_this_buffer;
231 if (n_bytes_left == 0)
234 if (!(p0->
flags & VLIB_BUFFER_NEXT_PRESENT))
239 length_odd = (n_this_buffer & 1);
251 data_this_buffer[0] = 0;
uword * protocol_info_by_name
u32 flags
buffer flags: VLIB_BUFFER_FREE_LIST_INDEX_MASK: bits used to store free list index, VLIB_BUFFER_IS_TRACED: trace this buffer.
uword * protocol_info_by_protocol
static ip_csum_t ip_incremental_checksum_buffer(vlib_main_t *vm, vlib_buffer_t *first_buffer, u32 first_buffer_offset, u32 n_bytes_to_checksum, ip_csum_t sum)
u32 ip4_mask_to_preflen(ip4_address_t *mask)
u8 ip6_is_local_host(ip6_address_t *ip6_address)
void ip_table_create(fib_protocol_t fproto, u32 table_id, u8 is_api, const u8 *name)
void ip6_address_normalize(ip6_address_t *ip6, u8 preflen)
void * ip_interface_get_first_ip(u32 sw_if_index, u8 is_ip4)
void ip_set(ip46_address_t *dst, void *src, u8 is_ip4)
void ip6_preflen_to_mask(u8 pref_len, ip6_address_t *mask)
i16 current_data
signed offset in data[], pre_data[] that we are currently processing.
Definitions for all things IP (v4|v6) unicast and multicast lookup related.
uword * port_info_by_name
u16 current_length
Nbytes between current data and the end of this buffer.
u8 ip_is_local(u32 fib_index, ip46_address_t *ip46_address, u8 is_ip4)
Checks that an ip is local to the requested fib.
u8 ip_interface_has_address(u32 sw_if_index, ip46_address_t *ip, u8 is_ip4)
enum fib_protocol_t_ fib_protocol_t
Protocol Type.
void ip6_prefix_max_address_host_order(ip6_address_t *ip, u8 plen, ip6_address_t *res)
void ip4_address_normalize(ip4_address_t *ip4, u8 preflen)
static u16 ip_calculate_l4_checksum(vlib_main_t *vm, vlib_buffer_t *p0, ip_csum_t sum0, u32 payload_length, u8 *iph, u32 ip_header_size, u8 *l4h)
vl_api_ip_proto_t protocol
unformat_function_t * unformat_pg_edit
vl_api_interface_index_t sw_if_index
#define vec_elt_at_index(v, i)
Get vector value at index i checking that i is in bounds.
uword * port_info_by_port
static ip_protocol_info_t * ip_get_protocol_info(ip_main_t *im, u32 protocol)
format_function_t * format_header
static void * vlib_buffer_get_current(vlib_buffer_t *b)
Get pointer to current data to process.
void ip_copy(ip46_address_t *dst, ip46_address_t *src, u8 is_ip4)
u8 ip4_is_local_host(ip4_address_t *ip4_address)
u32 ip6_mask_to_preflen(ip6_address_t *mask)
enum ip_protocol ip_protocol_t
void ip_del_all_interface_addresses(vlib_main_t *vm, u32 sw_if_index)
int ip_table_bind(fib_protocol_t fproto, u32 sw_if_index, u32 table_id, u8 is_api)
vlib_node_registration_t ip4_inacl_node
(constructor) VLIB_REGISTER_NODE (ip4_inacl_node)
ip_protocol_info_t * protocol_infos
clib_error_t * ip_main_init(vlib_main_t *vm)
vlib_node_registration_t ip6_inacl_node
(constructor) VLIB_REGISTER_NODE (ip6_inacl_node)
void ip_table_delete(fib_protocol_t fproto, u32 table_id, u8 is_api)
static tcp_udp_port_info_t * ip_get_tcp_udp_port_info(ip_main_t *im, u32 port)
unformat_function_t * unformat_pg_edit
unformat_function_t * unformat_header
format_function_t * format_header
unformat_function_t * unformat_match
struct _vlib_node_registration vlib_node_registration_t
void ip4_prefix_max_address_host_order(ip4_address_t *ip, u8 plen, ip4_address_t *res)
u32 next_buffer
Next buffer for this linked-list of buffers.
void ip4_preflen_to_mask(u8 pref_len, ip4_address_t *ip)
u8 ip_is_zero(ip46_address_t *ip46_address, u8 is_ip4)
VLIB buffer representation.
tcp_udp_port_info_t * port_infos
u8 ip_is_local_host(ip46_address_t *ip46_address, u8 is_ip4)
static ip_csum_t ip_incremental_checksum(ip_csum_t sum, void *_data, uword n_bytes)
static vlib_buffer_t * vlib_get_buffer(vlib_main_t *vm, u32 buffer_index)
Translate buffer index into buffer pointer.
static u16 ip_csum_fold(ip_csum_t c)