18 #ifndef included_gre_h 19 #define included_gre_h 33 #define gre_error(n,s) GRE_ERROR_##n, 128 }) ip4_and_gre_header_t;
177 #define GRE_OUTPUT_NEXT_LOOKUP 1
format_function_t format_gre_header_with_length
fib_node_index_t fib_entry_index
The FIB entry sourced by the tunnel for its destination prefix.
typedef CLIB_PACKED(struct{ip4_header_t ip4;gre_header_t gre;}) ip4_and_gre_header_t
IPv4 and GRE header.
uword * protocol_info_by_protocol
u32 outer_fib_index
The FIB in which the src.dst address are present.
struct _vlib_node_registration vlib_node_registration_t
struct _vnet_device_class vnet_device_class_t
u32 * tunnel_index_by_sw_if_index
ip4_address_t tunnel_dst
The tunnel's destination/remote address.
u32 sibling_index
The tunnel is a child of the FIB entry for its desintion.
u32 * free_gre_tunnel_hw_if_indices
void gre_tunnel_stack(adj_index_t ai)
gre_tunnel_stack
#define vec_elt_at_index(v, i)
Get vector value at index i checking that i is in bounds.
adj_index_t l2_adj_index
an L2 tunnel always rquires an L2 midchain.
unformat_function_t unformat_gre_header
unformat_function_t unformat_gre_protocol_net_byte_order
An node in the FIB graph.
vnet_device_class_t gre_l2_device_class
format_function_t format_gre_protocol
ip4_address_t tunnel_src
The tunnel's source/local address.
u32 fib_node_index_t
A typedef of a node index.
u32 adj_index_t
An index for adjacencies.
void gre_update_adj(vnet_main_t *vnm, u32 sw_if_index, adj_index_t ai)
vnet_hw_interface_class_t gre_hw_interface_class
vlib_node_registration_t gre_input_node
(constructor) VLIB_REGISTER_NODE (gre_input_node)
u32 l2_tx_arc
on a L2 tunnel this is the VLIB arc from the L2-tx to the l2-midchain
fib_node_t node
Linkage into the FIB object graph.
vnet_device_class_t gre_device_class
clib_error_t * gre_interface_admin_up_down(vnet_main_t *vnm, u32 hw_if_index, u32 flags)
int vnet_gre_add_del_tunnel(vnet_gre_add_del_tunnel_args_t *a, u32 *sw_if_indexp)
struct _vnet_hw_interface_class vnet_hw_interface_class_t
void gre_register_input_type(vlib_main_t *vm, gre_protocol_t protocol, u32 node_index)
unformat_function_t unformat_pg_gre_header
void gre_register_input_protocol(vlib_main_t *vm, gre_protocol_t protocol, u32 node_index)
unformat_function_t unformat_gre_protocol_host_byte_order
static gre_protocol_info_t * gre_get_protocol_info(gre_main_t *em, gre_protocol_t protocol)
gre_protocol_info_t * protocol_infos
format_function_t format_gre_header