78 if (!(t->
flags & IPIP_TUNNEL_FLAG_ENCAP_COPY_DSCP))
80 if (t->
flags & IPIP_TUNNEL_FLAG_ENCAP_SET_DF)
88 clib_host_to_net_u32 (6 << 28);
95 if (!(t->
flags & IPIP_TUNNEL_FLAG_ENCAP_COPY_DSCP))
119 if (t->
flags & IPIP_TUNNEL_FLAG_ENCAP_COPY_DSCP)
123 if (t->
flags & IPIP_TUNNEL_FLAG_ENCAP_COPY_ECN)
130 ip4->
protocol = IP_PROTOCOL_IP_IN_IP;
131 if (t->
flags & IPIP_TUNNEL_FLAG_ENCAP_COPY_DSCP)
133 if (t->
flags & IPIP_TUNNEL_FLAG_ENCAP_COPY_ECN)
135 if ((t->
flags & IPIP_TUNNEL_FLAG_ENCAP_COPY_DF) &&
156 b->
flags |= VNET_BUFFER_F_LOCALLY_ORIGINATED;
166 if (t->
flags & IPIP_TUNNEL_FLAG_ENCAP_COPY_DSCP)
168 if (t->
flags & IPIP_TUNNEL_FLAG_ENCAP_COPY_ECN)
173 ip6->
protocol = IP_PROTOCOL_IP_IN_IP;
174 if (t->
flags & IPIP_TUNNEL_FLAG_ENCAP_COPY_DSCP)
177 if (t->
flags & IPIP_TUNNEL_FLAG_ENCAP_COPY_ECN)
195 sw_if_index = adj->rewrite_header.sw_if_index;
273 if (f == IPIP_TUNNEL_FLAG_NONE)
274 return (
format (s,
"none"));
276 #define _(a,b,c) if (f & IPIP_TUNNEL_FLAG_##a) s = format(s, "%s ", b); 285 u32 dev_instance = va_arg (*args,
u32);
290 return format (s,
"<improperly-referenced>");
299 u32 dev_instance = va_arg (*args,
u32);
302 s =
format (s,
"IPIP tunnel: id %d\n", dev_instance);
331 ip46_address_t *
src, ip46_address_t *
dst,
u8 * is_l2)
348 .name =
"IPIP tunnel device",
427 .fib_index = fib_index,
436 return VNET_API_ERROR_IF_ALREADY_EXISTS;
450 return VNET_API_ERROR_INSTANCE_IN_USE;
521 return VNET_API_ERROR_NO_SUCH_ENTRY;
#define vec_validate(V, I)
Make sure vector is long enough for given index (no header, unspecified alignment) ...
u32 flags
buffer flags: VLIB_BUFFER_FREE_LIST_INDEX_MASK: bits used to store free list index, VLIB_BUFFER_IS_TRACED: trace this buffer.
void ipip_tunnel_db_remove(ipip_tunnel_t *t)
#define hash_set(h, key, value)
static int ipip_tunnel_desc(u32 sw_if_index, ip46_address_t *src, ip46_address_t *dst, u8 *is_l2)
u8 * format_ipip_tunnel_flags(u8 *s, va_list *args)
#define hash_unset(h, key)
void ip6_register_protocol(u32 protocol, u32 node_index)
A representation of a IPIP tunnel.
vnet_main_t * vnet_get_main(void)
static ip_dscp_t ip4_header_get_dscp(const ip4_header_t *ip4)
ip46_address_t tunnel_src
int ipip_add_tunnel(ipip_transport_t transport, u32 instance, ip46_address_t *src, ip46_address_t *dst, u32 fib_index, ipip_tunnel_flags_t flags, ip_dscp_t dscp, u32 *sw_if_indexp)
static clib_error_t * ipip_interface_admin_up_down(vnet_main_t *vnm, u32 hw_if_index, u32 flags)
vnet_hw_interface_class_t ipip_hw_interface_class
void adj_midchain_delegate_stack(adj_index_t ai, u32 fib_index, const fib_prefix_t *pfx)
create/attach a midchain delegate and stack it on the prefix passed
vnet_link_t adj_get_link_type(adj_index_t ai)
Return the link type of the adjacency.
clib_memset(h->entries, 0, sizeof(h->entries[0]) *entries)
static vnet_hw_interface_t * vnet_get_hw_interface(vnet_main_t *vnm, u32 hw_if_index)
ipip_tunnel_flags_t flags
static u8 * format_ipip_device(u8 *s, va_list *args)
#define hash_set_mem(h, key, value)
u32 * fib_index_by_sw_if_index
Table index indexed by software interface.
void(* adj_midchain_fixup_t)(vlib_main_t *vm, const struct ip_adjacency_t_ *adj, vlib_buffer_t *b0, const void *data)
A function type for post-rewrite fixups on midchain adjacency.
static void ip4_header_set_dscp(ip4_header_t *ip4, ip_dscp_t dscp)
void ip4_register_protocol(u32 protocol, u32 node_index)
static_always_inline ip_ecn_t ip6_ecn_network_order(const ip6_header_t *ip6)
static uword vlib_buffer_length_in_chain(vlib_main_t *vm, vlib_buffer_t *b)
Get length in bytes of the buffer chain.
bool ip4_protocol_registered
enum fib_protocol_t_ fib_protocol_t
Protocol Type.
static u8 ip4_header_get_df(ip4_header_t *ip4)
vnet_link_t ia_link
link/ether-type 1 bytes
#define clib_memcpy(d, s, n)
static ip_adjacency_t * adj_get(adj_index_t adj_index)
Get a pointer to an adjacency object from its index.
vl_api_interface_index_t sw_if_index
#define VLIB_INIT_FUNCTION(x)
enum adj_walk_rc_t_ adj_walk_rc_t
return codes from a adjacency walker callback function
static void ipip_tunnel_restack(ipip_tunnel_t *gt)
Aggregate type for a prefix.
u32 * tunnel_index_by_sw_if_index
static void ipip6_fixup(vlib_main_t *vm, const ip_adjacency_t *adj, vlib_buffer_t *b, const void *data)
u32 vnet_register_interface(vnet_main_t *vnm, u32 dev_class_index, u32 dev_instance, u32 hw_class_index, u32 hw_instance)
#define hash_create_mem(elts, key_bytes, value_bytes)
#define pool_elt_at_index(p, i)
Returns pointer to element at given index.
#define hash_unset_mem(h, key)
void ipip_tunnel_db_add(ipip_tunnel_t *t, ipip_tunnel_key_t *key)
static void ipip_tunnel_stack(adj_index_t ai)
static u8 * ipip_build_rewrite(vnet_main_t *vnm, u32 sw_if_index, vnet_link_t link_type, const void *dst_address)
static void ip4_header_set_ecn(ip4_header_t *ip4, ip_ecn_t ecn)
static uword vnet_hw_interface_get_flags(vnet_main_t *vnm, u32 hw_if_index)
static void ipip4_fixup(vlib_main_t *vm, const ip_adjacency_t *adj, vlib_buffer_t *b, const void *data)
ipip_tunnel_t * ipip_tunnel_db_find(ipip_tunnel_key_t *key)
ipip_tunnel_t * ipip_tunnel_db_find_by_sw_if_index(u32 sw_if_index)
static void ip4_header_set_df(ip4_header_t *ip4)
static void * vlib_buffer_get_current(vlib_buffer_t *b)
Get pointer to current data to process.
#define pool_put(P, E)
Free an object E in pool P.
u8 * format_ipip_tx_trace(u8 *s, va_list *args)
static_always_inline void ip6_set_dscp_network_order(ip6_header_t *ip6, ip_dscp_t dscp)
format_function_t format_ip46_address
static adj_walk_rc_t ipip_adj_walk_cb(adj_index_t ai, void *ctx)
#define pool_get_aligned(P, E, A)
Allocate an object E from a pool P with alignment A.
VNET_HW_INTERFACE_CLASS(ipip_hw_interface_class)
ipip_transport_t
IPIP Tunnel key.
static_always_inline ip_dscp_t ip6_dscp_network_order(const ip6_header_t *ip6)
static u8 * format_ipip_tunnel_name(u8 *s, va_list *args)
void adj_nbr_midchain_update_rewrite(adj_index_t adj_index, adj_midchain_fixup_t fixup, const void *fixup_data, adj_flags_t flags, u8 *rewrite)
adj_nbr_midchain_update_rewrite
static_always_inline void ip6_set_ecn_network_order(ip6_header_t *ip6, ip_ecn_t ecn)
vlib_node_registration_t ipip4_input_node
(constructor) VLIB_REGISTER_NODE (ipip4_input_node)
u32 adj_index_t
An index for adjacencies.
void adj_nbr_walk(u32 sw_if_index, fib_protocol_t adj_nh_proto, adj_walk_cb_t cb, void *ctx)
Walk the neighbour Adjacencies on a given interface.
vlib_main_t vlib_node_runtime_t * node
void adj_midchain_delegate_unstack(adj_index_t ai)
unstack a midchain delegate (this stacks it on a drop)
ipip_transport_t transport
enum ip_dscp_t_ ip_dscp_t
enum vnet_link_t_ vnet_link_t
Link Type: A description of the protocol of packets on the link.
static void clib_mem_free(void *p)
static void * clib_mem_alloc(uword size)
enum ipip_tunnel_flags_t_ ipip_tunnel_flags_t
void ipip_update_adj(vnet_main_t *vnm, u32 sw_if_index, adj_index_t ai)
void vnet_delete_hw_interface(vnet_main_t *vnm, u32 hw_if_index)
enum adj_flags_t_ adj_flags_t
Flags on an IP adjacency.
vlib_node_registration_t ipip6_input_node
(constructor) VLIB_REGISTER_NODE (ipip6_input_node)
#define vec_len(v)
Number of elements in vector (rvalue-only, NULL tolerant)
clib_error_t * vnet_hw_interface_set_flags(vnet_main_t *vnm, u32 hw_if_index, vnet_hw_interface_flags_t flags)
VLIB buffer representation.
bool ip6_protocol_registered
static clib_error_t * ipip_init(vlib_main_t *vm)
a point 2 point interface
void vnet_sw_interface_set_mtu(vnet_main_t *vnm, u32 sw_if_index, u32 mtu)
static ip_ecn_t ip4_header_get_ecn(const ip4_header_t *ip4)
int ipip_del_tunnel(u32 sw_if_index)
#define FOR_EACH_FIB_IP_PROTOCOL(_item)
#define hash_get_mem(h, key)
ip4_main_t ip4_main
Global ip4 main structure.
clib_error_t * vnet_sw_interface_set_flags(vnet_main_t *vnm, u32 sw_if_index, vnet_sw_interface_flags_t flags)
ip46_address_t tunnel_dst
#define vec_validate_init_empty(V, I, INIT)
Make sure vector is long enough for given index and initialize empty space (no header, unspecified alignment)
#define CLIB_CACHE_LINE_BYTES
u32 * fib_index_by_sw_if_index
static u16 ip4_header_checksum(ip4_header_t *i)
VNET_DEVICE_CLASS(ipip_device_class)