#include <vnet/ipip/ipip.h>
#include <vnet/vnet.h>
#include <vnet/adj/adj_nbr.h>
+#include <vnet/adj/adj_midchain.h>
#include <vnet/fib/ip4_fib.h>
#include <vnet/fib/ip6_fib.h>
#include <vnet/ip/format.h>
#include <vnet/ipip/ipip.h>
+#include <vnet/nhrp/nhrp.h>
+#include <vnet/tunnel/tunnel_dp.h>
ipip_main_t ipip_main;
ipip_build_rewrite (vnet_main_t * vnm, u32 sw_if_index,
vnet_link_t link_type, const void *dst_address)
{
+ const ip46_address_t *dst;
ip4_header_t *ip4;
ip6_header_t *ip6;
u8 *rewrite = NULL;
- ipip_tunnel_t *t = ipip_tunnel_db_find_by_sw_if_index (sw_if_index);
+ ipip_tunnel_t *t;
+
+ dst = dst_address;
+ t = ipip_tunnel_db_find_by_sw_if_index (sw_if_index);
if (!t)
/* not one of ours */
ip4->ttl = 64;
/* fixup ip4 header length, protocol and checksum after-the-fact */
ip4->src_address.as_u32 = t->tunnel_src.ip4.as_u32;
- ip4->dst_address.as_u32 = t->tunnel_dst.ip4.as_u32;
+ ip4->dst_address.as_u32 = dst->ip4.as_u32;
+ if (!(t->flags & TUNNEL_ENCAP_DECAP_FLAG_ENCAP_COPY_DSCP))
+ ip4_header_set_dscp (ip4, t->dscp);
+ if (t->flags & TUNNEL_ENCAP_DECAP_FLAG_ENCAP_SET_DF)
+ ip4_header_set_df (ip4);
ip4->checksum = ip4_header_checksum (ip4);
- if (t->tc_tos != 0xFF)
- ip4->tos = t->tc_tos;
+
+ switch (link_type)
+ {
+ case VNET_LINK_IP6:
+ ip4->protocol = IP_PROTOCOL_IPV6;
+ break;
+ case VNET_LINK_IP4:
+ ip4->protocol = IP_PROTOCOL_IP_IN_IP;
+ break;
+ default:
+ break;
+ }
break;
case IPIP_TRANSPORT_IP6:
ip6 = (ip6_header_t *) rewrite;
ip6->ip_version_traffic_class_and_flow_label =
clib_host_to_net_u32 (6 << 28);
- if (t->tc_tos != 0xFF)
- ip6_set_traffic_class_network_order (ip6, t->tc_tos);
ip6->hop_limit = 64;
/* fixup ip6 header length and protocol after-the-fact */
ip6->src_address.as_u64[0] = t->tunnel_src.ip6.as_u64[0];
ip6->src_address.as_u64[1] = t->tunnel_src.ip6.as_u64[1];
- ip6->dst_address.as_u64[0] = t->tunnel_dst.ip6.as_u64[0];
- ip6->dst_address.as_u64[1] = t->tunnel_dst.ip6.as_u64[1];
+ ip6->dst_address.as_u64[0] = dst->ip6.as_u64[0];
+ ip6->dst_address.as_u64[1] = dst->ip6.as_u64[1];
+ if (!(t->flags & TUNNEL_ENCAP_DECAP_FLAG_ENCAP_COPY_DSCP))
+ ip6_set_dscp_network_order (ip6, t->dscp);
+
+ switch (link_type)
+ {
+ case VNET_LINK_IP6:
+ ip6->protocol = IP_PROTOCOL_IPV6;
+ break;
+ case VNET_LINK_IP4:
+ ip6->protocol = IP_PROTOCOL_IP_IN_IP;
+ break;
+ default:
+ break;
+ }
break;
-
- default:
- /* pass through */
- ;
}
return (rewrite);
}
static void
-ipip4_fixup (vlib_main_t * vm, ip_adjacency_t * adj, vlib_buffer_t * b,
- const void *data)
+ipip64_fixup (vlib_main_t * vm, const ip_adjacency_t * adj, vlib_buffer_t * b,
+ const void *data)
{
+ tunnel_encap_decap_flags_t flags;
ip4_header_t *ip4;
- const ipip_tunnel_t *t = data;
+
+ flags = pointer_to_uword (data);
ip4 = vlib_buffer_get_current (b);
ip4->length = clib_host_to_net_u16 (vlib_buffer_length_in_chain (vm, b));
- switch (adj->ia_link)
- {
- case VNET_LINK_IP6:
- ip4->protocol = IP_PROTOCOL_IPV6;
- if (t->tc_tos == 0xFF)
- ip4->tos =
- ip6_traffic_class_network_order ((const ip6_header_t *) (ip4 + 1));
- break;
+ tunnel_encap_fixup_6o4 (flags, ((ip6_header_t *) (ip4 + 1)), ip4);
- case VNET_LINK_IP4:
- ip4->protocol = IP_PROTOCOL_IP_IN_IP;
- if (t->tc_tos == 0xFF)
- ip4->tos = ((ip4_header_t *) (ip4 + 1))->tos;
- break;
+ ip4->checksum = ip4_header_checksum (ip4);
+}
- default:
- break;
- }
+static void
+ipip44_fixup (vlib_main_t * vm, const ip_adjacency_t * adj, vlib_buffer_t * b,
+ const void *data)
+{
+ tunnel_encap_decap_flags_t flags;
+ ip4_header_t *ip4;
+
+ flags = pointer_to_uword (data);
+
+ ip4 = vlib_buffer_get_current (b);
+ ip4->length = clib_host_to_net_u16 (vlib_buffer_length_in_chain (vm, b));
+ tunnel_encap_fixup_4o4 (flags, ip4 + 1, ip4);
ip4->checksum = ip4_header_checksum (ip4);
}
static void
-ipip6_fixup (vlib_main_t * vm, ip_adjacency_t * adj, vlib_buffer_t * b,
- const void *data)
+ipip46_fixup (vlib_main_t * vm, const ip_adjacency_t * adj, vlib_buffer_t * b,
+ const void *data)
{
+ tunnel_encap_decap_flags_t flags;
ip6_header_t *ip6;
- const ipip_tunnel_t *t = data;
+
+ flags = pointer_to_uword (data);
/* Must set locally originated otherwise we're not allowed to
fragment the packet later */
ip6->payload_length =
clib_host_to_net_u16 (vlib_buffer_length_in_chain (vm, b) -
sizeof (*ip6));
- switch (adj->ia_link)
- {
- case VNET_LINK_IP6:
- ip6->protocol = IP_PROTOCOL_IPV6;
- if (t->tc_tos == 0xFF)
- ip6_set_traffic_class_network_order (ip6,
- ip6_traffic_class_network_order ((const ip6_header_t *) (ip6 + 1)));
- break;
+ tunnel_encap_fixup_4o6 (flags, ((ip4_header_t *) (ip6 + 1)), ip6);
+}
- case VNET_LINK_IP4:
- ip6->protocol = IP_PROTOCOL_IP_IN_IP;
- if (t->tc_tos == 0xFF)
- ip6_set_traffic_class_network_order (ip6,
- ((ip4_header_t *) (ip6 +
- 1))->tos);
- break;
+static void
+ipip66_fixup (vlib_main_t * vm,
+ const ip_adjacency_t * adj, vlib_buffer_t * b, const void *data)
+{
+ tunnel_encap_decap_flags_t flags;
+ ip6_header_t *ip6;
- default:
- break;
- }
+ flags = pointer_to_uword (data);
+
+ /* Must set locally originated otherwise we're not allowed to
+ fragment the packet later */
+ b->flags |= VNET_BUFFER_F_LOCALLY_ORIGINATED;
+
+ ip6 = vlib_buffer_get_current (b);
+ ip6->payload_length =
+ clib_host_to_net_u16 (vlib_buffer_length_in_chain (vm, b) -
+ sizeof (*ip6));
+ tunnel_encap_fixup_6o6 (flags, ip6 + 1, ip6);
}
static void
if ((vnet_hw_interface_get_flags (vnet_get_main (), t->hw_if_index) &
VNET_HW_INTERFACE_FLAG_LINK_UP) == 0)
{
- adj_nbr_midchain_unstack (ai);
+ adj_midchain_delegate_unstack (ai);
}
else
{
- adj_nbr_midchain_stack_on_fib_entry
- (ai,
- t->p2p.fib_entry_index,
- (t->transport == IPIP_TRANSPORT_IP6) ?
- FIB_FORW_CHAIN_TYPE_UNICAST_IP6 : FIB_FORW_CHAIN_TYPE_UNICAST_IP4);
+ /* *INDENT-OFF* */
+ fib_prefix_t dst = {
+ .fp_len = t->transport == IPIP_TRANSPORT_IP6 ? 128 : 32,
+ .fp_proto = (t->transport == IPIP_TRANSPORT_IP6 ?
+ FIB_PROTOCOL_IP6 :
+ FIB_PROTOCOL_IP4),
+ .fp_addr = t->tunnel_dst
+ };
+ /* *INDENT-ON* */
+
+ adj_midchain_delegate_stack (ai, t->fib_index, &dst);
}
}
}
}
+static adj_midchain_fixup_t
+ipip_get_fixup (const ipip_tunnel_t * t, vnet_link_t lt)
+{
+ if (t->transport == IPIP_TRANSPORT_IP6 && lt == VNET_LINK_IP6)
+ return (ipip66_fixup);
+ if (t->transport == IPIP_TRANSPORT_IP6 && lt == VNET_LINK_IP4)
+ return (ipip46_fixup);
+ if (t->transport == IPIP_TRANSPORT_IP4 && lt == VNET_LINK_IP6)
+ return (ipip64_fixup);
+ if (t->transport == IPIP_TRANSPORT_IP4 && lt == VNET_LINK_IP4)
+ return (ipip44_fixup);
+
+ ASSERT (0);
+ return (ipip44_fixup);
+}
+
void
ipip_update_adj (vnet_main_t * vnm, u32 sw_if_index, adj_index_t ai)
{
- adj_midchain_fixup_t f;
ipip_tunnel_t *t;
adj_flags_t af;
if (!t)
return;
- f = t->transport == IPIP_TRANSPORT_IP6 ? ipip6_fixup : ipip4_fixup;
af = ADJ_FLAG_MIDCHAIN_IP_STACK;
if (VNET_LINK_ETHERNET == adj_get_link_type (ai))
af |= ADJ_FLAG_MIDCHAIN_NO_COUNT;
- adj_nbr_midchain_update_rewrite (ai, f, t, af,
- ipip_build_rewrite (vnm,
- sw_if_index,
- adj_get_link_type
- (ai), NULL));
+ adj_nbr_midchain_update_rewrite
+ (ai, ipip_get_fixup (t, adj_get_link_type (ai)),
+ uword_to_pointer (t->flags, void *), af,
+ ipip_build_rewrite (vnm, sw_if_index,
+ adj_get_link_type (ai), &t->tunnel_dst));
ipip_tunnel_stack (ai);
}
+typedef struct mipip_walk_ctx_t_
+{
+ const ipip_tunnel_t *t;
+ const nhrp_entry_t *ne;
+} mipip_walk_ctx_t;
+
+static adj_walk_rc_t
+mipip_mk_complete_walk (adj_index_t ai, void *data)
+{
+ mipip_walk_ctx_t *ctx = data;
+
+ adj_nbr_midchain_update_rewrite
+ (ai, ipip_get_fixup (ctx->t, adj_get_link_type (ai)),
+ uword_to_pointer (ctx->t->flags, void *),
+ ADJ_FLAG_MIDCHAIN_IP_STACK, ipip_build_rewrite (vnet_get_main (),
+ ctx->t->sw_if_index,
+ adj_get_link_type (ai),
+ &nhrp_entry_get_nh
+ (ctx->ne)->fp_addr));
+
+ nhrp_entry_adj_stack (ctx->ne, ai);
+
+ return (ADJ_WALK_RC_CONTINUE);
+}
+
+static adj_walk_rc_t
+mipip_mk_incomplete_walk (adj_index_t ai, void *data)
+{
+ ipip_tunnel_t *t = data;
+
+ adj_nbr_midchain_update_rewrite
+ (ai, ipip_get_fixup (t, adj_get_link_type (ai)),
+ NULL, ADJ_FLAG_NONE, NULL);
+
+ adj_midchain_delegate_unstack (ai);
+
+ return (ADJ_WALK_RC_CONTINUE);
+}
+
+void
+mipip_update_adj (vnet_main_t * vnm, u32 sw_if_index, adj_index_t ai)
+{
+ ipip_main_t *gm = &ipip_main;
+ ip_adjacency_t *adj;
+ nhrp_entry_t *ne;
+ ipip_tunnel_t *t;
+ u32 ti;
+
+ adj = adj_get (ai);
+ ti = gm->tunnel_index_by_sw_if_index[sw_if_index];
+ t = pool_elt_at_index (gm->tunnels, ti);
+
+ ne = nhrp_entry_find (sw_if_index, &adj->sub_type.nbr.next_hop);
+
+ if (NULL == ne)
+ {
+ // no NHRP entry to provide the next-hop
+ adj_nbr_midchain_update_rewrite
+ (ai, ipip_get_fixup (t, adj_get_link_type (ai)),
+ uword_to_pointer (t->flags, void *), ADJ_FLAG_NONE, NULL);
+ return;
+ }
+
+ mipip_walk_ctx_t ctx = {
+ .t = t,
+ .ne = ne
+ };
+ adj_nbr_walk_nh (sw_if_index,
+ adj->ia_nh_proto,
+ &adj->sub_type.nbr.next_hop, mipip_mk_complete_walk, &ctx);
+}
+
static u8 *
format_ipip_tunnel_name (u8 * s, va_list * args)
{
return /* no error */ 0;
}
+static int
+ipip_tunnel_desc (u32 sw_if_index,
+ ip46_address_t * src, ip46_address_t * dst, u8 * is_l2)
+{
+ ipip_tunnel_t *t;
+
+ t = ipip_tunnel_db_find_by_sw_if_index (sw_if_index);
+ if (!t)
+ return -1;
+
+ *src = t->tunnel_src;
+ *dst = t->tunnel_dst;
+ *is_l2 = 0;
+
+ return (0);
+}
+
/* *INDENT-OFF* */
VNET_DEVICE_CLASS(ipip_device_class) = {
.name = "IPIP tunnel device",
.format_device = format_ipip_device,
.format_tx_trace = format_ipip_tx_trace,
.admin_up_down_function = ipip_interface_admin_up_down,
+ .ip_tun_desc = ipip_tunnel_desc,
#ifdef SOON
.clear counter = 0;
#endif
.update_adjacency = ipip_update_adj,
.flags = VNET_HW_INTERFACE_CLASS_FLAG_P2P,
};
+
+VNET_HW_INTERFACE_CLASS(mipip_hw_interface_class) = {
+ .name = "mIPIP",
+ //.format_header = format_ipip_header_with_length,
+ //.unformat_header = unformat_ipip_header,
+ .build_rewrite = ipip_build_rewrite,
+ .update_adjacency = mipip_update_adj,
+ .flags = VNET_HW_INTERFACE_CLASS_FLAG_NBMA,
+};
/* *INDENT-ON* */
ipip_tunnel_t *
-ipip_tunnel_db_find (ipip_tunnel_key_t * key)
+ipip_tunnel_db_find (const ipip_tunnel_key_t * key)
{
ipip_main_t *gm = &ipip_main;
uword *p;
}
void
-ipip_tunnel_db_add (ipip_tunnel_t * t, ipip_tunnel_key_t * key)
+ipip_tunnel_db_add (ipip_tunnel_t * t, const ipip_tunnel_key_t * key)
{
ipip_main_t *gm = &ipip_main;
- t->key = clib_mem_alloc (sizeof (*t->key));
- clib_memcpy (t->key, key, sizeof (*key));
- hash_set_mem (gm->tunnel_by_key, t->key, t->dev_instance);
+ hash_set_mem_alloc (&gm->tunnel_by_key, key, t->dev_instance);
}
void
-ipip_tunnel_db_remove (ipip_tunnel_t * t)
+ipip_tunnel_db_remove (ipip_tunnel_t * t, const ipip_tunnel_key_t * key)
{
ipip_main_t *gm = &ipip_main;
- hash_unset_mem (gm->tunnel_by_key, t->key);
- clib_mem_free (t->key);
- t->key = NULL;
+ hash_unset_mem_free (&gm->tunnel_by_key, key);
}
-static ipip_tunnel_t *
-ipip_tunnel_from_fib_node (fib_node_t * node)
+void
+ipip_mk_key_i (ipip_transport_t transport,
+ ipip_mode_t mode,
+ const ip46_address_t * src,
+ const ip46_address_t * dst,
+ u32 fib_index, ipip_tunnel_key_t * key)
{
- ipip_main_t *gm = &ipip_main;
- ASSERT (gm->fib_node_type == node->fn_type);
- return ((ipip_tunnel_t *) (((char *) node) -
- offsetof (ipip_tunnel_t, p2p.node)));
+ key->transport = transport;
+ key->mode = mode;
+ key->src = *src;
+ key->dst = *dst;
+ key->fib_index = fib_index;
+ key->__pad = 0;;
}
-static fib_node_back_walk_rc_t
-ipip_tunnel_back_walk (fib_node_t * node, fib_node_back_walk_ctx_t * ctx)
+void
+ipip_mk_key (const ipip_tunnel_t * t, ipip_tunnel_key_t * key)
{
- ipip_tunnel_restack (ipip_tunnel_from_fib_node (node));
-
- return (FIB_NODE_BACK_WALK_CONTINUE);
+ ipip_mk_key_i (t->transport, t->mode,
+ &t->tunnel_src, &t->tunnel_dst, t->fib_index, key);
}
-static fib_node_t *
-ipip_tunnel_fib_node_get (fib_node_index_t index)
+static void
+ipip_nhrp_mk_key (const ipip_tunnel_t * t,
+ const nhrp_entry_t * ne, ipip_tunnel_key_t * key)
{
- ipip_tunnel_t *gt;
- ipip_main_t *gm;
+ const fib_prefix_t *nh;
- gm = &ipip_main;
- gt = pool_elt_at_index (gm->tunnels, index);
+ nh = nhrp_entry_get_nh (ne);
- return (>->p2p.node);
+ /* construct the key using mode P2P so it can be found in the DP */
+ ipip_mk_key_i (t->transport, IPIP_MODE_P2P,
+ &t->tunnel_src, &nh->fp_addr,
+ nhrp_entry_get_fib_index (ne), key);
}
static void
-ipip_tunnel_last_lock_gone (fib_node_t * node)
+ipip_nhrp_entry_added (const nhrp_entry_t * ne)
{
- /*
- * The MPLS IPIP tunnel is a root of the graph. As such
- * it never has children and thus is never locked.
- */
- ASSERT (0);
-}
+ ipip_main_t *gm = &ipip_main;
+ const ip46_address_t *nh;
+ ipip_tunnel_key_t key;
+ ipip_tunnel_t *t;
+ u32 sw_if_index;
+ u32 t_idx;
-/*
- * Virtual function table registered by IPIP tunnels
- * for participation in the FIB object graph.
- */
-const static fib_node_vft_t ipip_vft = {
- .fnv_get = ipip_tunnel_fib_node_get,
- .fnv_last_lock = ipip_tunnel_last_lock_gone,
- .fnv_back_walk = ipip_tunnel_back_walk,
-};
+ sw_if_index = nhrp_entry_get_sw_if_index (ne);
+ if (vec_len (gm->tunnel_index_by_sw_if_index) < sw_if_index)
+ return;
+
+ t_idx = gm->tunnel_index_by_sw_if_index[sw_if_index];
+
+ if (INDEX_INVALID == t_idx)
+ return;
+
+ t = pool_elt_at_index (gm->tunnels, t_idx);
+
+ ipip_nhrp_mk_key (t, ne, &key);
+ ipip_tunnel_db_add (t, &key);
+
+ // update the rewrites for each of the adjacencies for this next-hop
+ mipip_walk_ctx_t ctx = {
+ .t = t,
+ .ne = ne
+ };
+ nh = nhrp_entry_get_peer (ne);
+ adj_nbr_walk_nh (nhrp_entry_get_sw_if_index (ne),
+ (ip46_address_is_ip4 (nh) ?
+ FIB_PROTOCOL_IP4 :
+ FIB_PROTOCOL_IP6), nh, mipip_mk_complete_walk, &ctx);
+}
static void
-ipip_fib_add (ipip_tunnel_t * t)
+ipip_nhrp_entry_deleted (const nhrp_entry_t * ne)
{
ipip_main_t *gm = &ipip_main;
- fib_prefix_t dst = {.fp_len = t->transport == IPIP_TRANSPORT_IP6 ? 128 : 32,
- .fp_proto =
- t->transport ==
- IPIP_TRANSPORT_IP6 ? FIB_PROTOCOL_IP6 : FIB_PROTOCOL_IP4,
- .fp_addr = t->tunnel_dst
- };
+ const ip46_address_t *nh;
+ ipip_tunnel_key_t key;
+ ipip_tunnel_t *t;
+ u32 sw_if_index;
+ u32 t_idx;
+
+ sw_if_index = nhrp_entry_get_sw_if_index (ne);
+ if (vec_len (gm->tunnel_index_by_sw_if_index) < sw_if_index)
+ return;
+
+ t_idx = gm->tunnel_index_by_sw_if_index[sw_if_index];
+
+ if (INDEX_INVALID == t_idx)
+ return;
+
+ t = pool_elt_at_index (gm->tunnels, t_idx);
- t->p2p.fib_entry_index =
- fib_table_entry_special_add (t->fib_index, &dst, FIB_SOURCE_RR,
- FIB_ENTRY_FLAG_NONE);
- t->p2p.sibling_index =
- fib_entry_child_add (t->p2p.fib_entry_index, gm->fib_node_type,
- t->dev_instance);
+ ipip_nhrp_mk_key (t, ne, &key);
+ ipip_tunnel_db_remove (t, &key);
+
+ nh = nhrp_entry_get_peer (ne);
+
+ /* make all the adjacencies incomplete */
+ adj_nbr_walk_nh (nhrp_entry_get_sw_if_index (ne),
+ (ip46_address_is_ip4 (nh) ?
+ FIB_PROTOCOL_IP4 :
+ FIB_PROTOCOL_IP6), nh, mipip_mk_incomplete_walk, t);
}
-static void
-ipip_fib_delete (ipip_tunnel_t * t)
+static walk_rc_t
+ipip_tunnel_delete_nhrp_walk (index_t nei, void *ctx)
{
- fib_entry_child_remove (t->p2p.fib_entry_index, t->p2p.sibling_index);
- fib_table_entry_delete_index (t->p2p.fib_entry_index, FIB_SOURCE_RR);
- fib_node_deinit (&t->p2p.node);
+ ipip_tunnel_t *t = ctx;
+ ipip_tunnel_key_t key;
+
+ ipip_nhrp_mk_key (t, nhrp_entry_get (nei), &key);
+ ipip_tunnel_db_remove (t, &key);
+
+ return (WALK_CONTINUE);
+}
+
+static walk_rc_t
+ipip_tunnel_add_nhrp_walk (index_t nei, void *ctx)
+{
+ ipip_tunnel_t *t = ctx;
+ ipip_tunnel_key_t key;
+
+ ipip_nhrp_mk_key (t, nhrp_entry_get (nei), &key);
+ ipip_tunnel_db_add (t, &key);
+
+ return (WALK_CONTINUE);
}
int
ipip_add_tunnel (ipip_transport_t transport,
u32 instance, ip46_address_t * src, ip46_address_t * dst,
- u32 fib_index, u8 tc_tos, u32 * sw_if_indexp)
+ u32 fib_index, tunnel_encap_decap_flags_t flags,
+ ip_dscp_t dscp, tunnel_mode_t tmode, u32 * sw_if_indexp)
{
ipip_main_t *gm = &ipip_main;
vnet_main_t *vnm = gm->vnet_main;
ipip_tunnel_t *t;
vnet_hw_interface_t *hi;
u32 hw_if_index, sw_if_index;
- ipip_tunnel_key_t key = {.transport = transport,
- .fib_index = fib_index,
- .src = *src,
- .dst = *dst
- };
+ ipip_tunnel_key_t key;
+ ipip_mode_t mode;
+
+ if (tmode == TUNNEL_MODE_MP && !ip46_address_is_zero (dst))
+ return (VNET_API_ERROR_INVALID_DST_ADDRESS);
+
+ mode = (tmode == TUNNEL_MODE_P2P ? IPIP_MODE_P2P : IPIP_MODE_P2MP);
+ ipip_mk_key_i (transport, mode, src, dst, fib_index, &key);
+
t = ipip_tunnel_db_find (&key);
if (t)
- return VNET_API_ERROR_IF_ALREADY_EXISTS;
+ {
+ if (sw_if_indexp)
+ sw_if_indexp[0] = t->sw_if_index;
+ return VNET_API_ERROR_IF_ALREADY_EXISTS;
+ }
pool_get_aligned (gm->tunnels, t, CLIB_CACHE_LINE_BYTES);
clib_memset (t, 0, sizeof (*t));
t->dev_instance = t_idx; /* actual */
t->user_instance = u_idx; /* name */
- fib_node_init (&t->p2p.node, gm->fib_node_type);
hw_if_index = vnet_register_interface (vnm, ipip_device_class.index, t_idx,
- ipip_hw_interface_class.index,
+ (mode == IPIP_MODE_P2P ?
+ ipip_hw_interface_class.index :
+ mipip_hw_interface_class.index),
t_idx);
hi = vnet_get_hw_interface (vnm, hw_if_index);
sw_if_index = hi->sw_if_index;
+ t->mode = mode;
t->hw_if_index = hw_if_index;
t->fib_index = fib_index;
t->sw_if_index = sw_if_index;
- t->tc_tos = tc_tos;
-
+ t->dscp = dscp;
+ t->flags = flags;
t->transport = transport;
+
vec_validate_init_empty (gm->tunnel_index_by_sw_if_index, sw_if_index, ~0);
gm->tunnel_index_by_sw_if_index[sw_if_index] = t_idx;
ipip_tunnel_db_add (t, &key);
- /*
- * Source the FIB entry for the tunnel's destination and become a
- * child thereof. The tunnel will then get poked when the forwarding
- * for the entry updates, and the tunnel can re-stack accordingly
- */
- ipip_fib_add (t);
+ if (t->mode == IPIP_MODE_P2MP)
+ nhrp_walk_itf (t->sw_if_index, ipip_tunnel_add_nhrp_walk, t);
+
if (sw_if_indexp)
*sw_if_indexp = sw_if_index;
ipip_main_t *gm = &ipip_main;
vnet_main_t *vnm = gm->vnet_main;
ipip_tunnel_t *t;
-
+ ipip_tunnel_key_t key;
t = ipip_tunnel_db_find_by_sw_if_index (sw_if_index);
if (t == NULL)
return VNET_API_ERROR_NO_SUCH_ENTRY;
+ if (t->mode == IPIP_MODE_P2MP)
+ nhrp_walk_itf (t->sw_if_index, ipip_tunnel_delete_nhrp_walk, t);
+
vnet_sw_interface_set_flags (vnm, sw_if_index, 0 /* down */ );
gm->tunnel_index_by_sw_if_index[sw_if_index] = ~0;
vnet_delete_hw_interface (vnm, t->hw_if_index);
- ipip_fib_delete (t);
hash_unset (gm->instance_used, t->user_instance);
- ipip_tunnel_db_remove (t);
+
+ ipip_mk_key (t, &key);
+ ipip_tunnel_db_remove (t, &key);
pool_put (gm->tunnels, t);
return 0;
}
+const static nhrp_vft_t ipip_nhrp_vft = {
+ .nv_added = ipip_nhrp_entry_added,
+ .nv_deleted = ipip_nhrp_entry_deleted,
+};
+
static clib_error_t *
ipip_init (vlib_main_t * vm)
{
gm->vnet_main = vnet_get_main ();
gm->tunnel_by_key =
hash_create_mem (0, sizeof (ipip_tunnel_key_t), sizeof (uword));
- gm->fib_node_type = fib_node_register_new_type (&ipip_vft);
+
+ nhrp_register (&ipip_nhrp_vft);
return 0;
}
Code Review / vpp.git / blobdiff