#include <vnet/teib/teib.h>
#include <vnet/fib/fib_table.h>
#include <vnet/adj/adj_midchain.h>
+#include <vnet/ip/ip6_ll_table.h>
typedef struct teib_key_t_
{
ip46_address_t tk_peer;
u32 tk_sw_if_index;
-} teib_key_t;
+ fib_protocol_t tk_proto;
+} __clib_packed teib_key_t;
struct teib_entry_t_
{
u32 te_fib_index;
};
-static uword *teib_db;
+static uword *teib_db[FIB_PROTOCOL_IP_MAX];
static teib_entry_t *teib_pool;
static teib_vft_t *teib_vfts;
+static vlib_log_class_t teib_logger;
#define TEIB_NOTIFY(_te, _fn) { \
teib_vft_t *_vft; \
} \
}
+#define TEIB_DBG(...) \
+ vlib_log_debug (teib_logger, __VA_ARGS__);
+
+#define TEIB_INFO(...) \
+ vlib_log_notice (teib_logger, __VA_ARGS__);
+
+#define TEIB_TE_DBG(_te, _fmt, _args...) \
+ vlib_log_debug (teib_logger, "[%U]: " _fmt, format_teib_entry, _te - teib_pool, ##_args)
+#define TEIB_TE_INFO(_te, _fmt, _args...) \
+ vlib_log_notice (teib_logger, "[%U]: " _fmt, format_teib_entry, _te - teib_pool, ##_args)
+
u32
teib_entry_get_sw_if_index (const teib_entry_t * te)
{
return (te->te_key->tk_sw_if_index);
}
+fib_protocol_t
+teib_entry_get_proto (const teib_entry_t * te)
+{
+ return (te->te_key->tk_proto);
+}
+
u32
teib_entry_get_fib_index (const teib_entry_t * te)
{
}
teib_entry_t *
-teib_entry_find (u32 sw_if_index, const ip46_address_t * peer)
+teib_entry_find (u32 sw_if_index,
+ fib_protocol_t fproto, const ip46_address_t * peer)
{
teib_key_t nk = {
.tk_peer = *peer,
+ .tk_proto = fproto,
.tk_sw_if_index = sw_if_index,
};
uword *p;
- p = hash_get_mem (teib_db, &nk);
+ p = hash_get_mem (teib_db[fproto], &nk);
if (NULL != p)
return teib_entry_get (p[0]);
return (NULL);
}
+static void
+teib_adj_fib_add (fib_protocol_t fproto,
+ const ip46_address_t * ip, u32 sw_if_index, u32 fib_index)
+{
+ if (FIB_PROTOCOL_IP6 == fproto &&
+ ip6_address_is_link_local_unicast (&ip->ip6))
+ {
+ ip6_ll_prefix_t pfx = {
+ .ilp_addr = ip->ip6,
+ .ilp_sw_if_index = sw_if_index,
+ };
+ ip6_ll_table_entry_update (&pfx, FIB_ROUTE_PATH_FLAG_NONE);
+ }
+ else
+ {
+ fib_prefix_t pfx = {
+ .fp_len = (FIB_PROTOCOL_IP4 == fproto ? 32 : 128),
+ .fp_proto = fproto,
+ .fp_addr = *ip,
+ };
+ fib_table_entry_path_add (fib_index, &pfx, FIB_SOURCE_ADJ,
+ FIB_ENTRY_FLAG_ATTACHED,
+ fib_proto_to_dpo (pfx.fp_proto),
+ &pfx.fp_addr,
+ sw_if_index,
+ ~0, 1, NULL, FIB_ROUTE_PATH_FLAG_NONE);
+
+
+ if (1 == hash_elts (teib_db[pfx.fp_proto]))
+ fib_table_lock (fib_index, pfx.fp_proto, FIB_SOURCE_ADJ);
+ }
+}
+
+static void
+teib_adj_fib_remove (fib_protocol_t fproto,
+ ip46_address_t * ip, u32 sw_if_index, u32 fib_index)
+{
+ if (FIB_PROTOCOL_IP6 == fproto &&
+ ip6_address_is_link_local_unicast (&ip->ip6))
+ {
+ ip6_ll_prefix_t pfx = {
+ .ilp_addr = ip->ip6,
+ .ilp_sw_if_index = sw_if_index,
+ };
+ ip6_ll_table_entry_delete (&pfx);
+ }
+ else
+ {
+ fib_prefix_t pfx = {
+ .fp_len = (FIB_PROTOCOL_IP4 == fproto ? 32 : 128),
+ .fp_proto = fproto,
+ .fp_addr = *ip,
+ };
+
+ fib_table_entry_path_remove (fib_index, &pfx, FIB_SOURCE_ADJ,
+ fib_proto_to_dpo (pfx.fp_proto),
+ &pfx.fp_addr,
+ sw_if_index,
+ ~0, 1, FIB_ROUTE_PATH_FLAG_NONE);
+
+ if (0 == hash_elts (teib_db[pfx.fp_proto]))
+ fib_table_unlock (fib_index, pfx.fp_proto, FIB_SOURCE_ADJ);
+ }
+}
+
int
teib_entry_add (u32 sw_if_index,
+ fib_protocol_t fproto,
const ip46_address_t * peer,
u32 nh_table_id, const ip46_address_t * nh)
{
- fib_protocol_t fproto;
+ fib_protocol_t nh_proto;
teib_entry_t *te;
u32 fib_index;
index_t tei;
- fproto = (ip46_address_is_ip4 (nh) ? FIB_PROTOCOL_IP4 : FIB_PROTOCOL_IP6);
+ nh_proto = (ip46_address_is_ip4 (nh) ? FIB_PROTOCOL_IP4 : FIB_PROTOCOL_IP6);
- fib_index = fib_table_find (fproto, nh_table_id);
+ fib_index = fib_table_find (nh_proto, nh_table_id);
if (~0 == fib_index)
{
return (VNET_API_ERROR_NO_SUCH_FIB);
}
- te = teib_entry_find (sw_if_index, peer);
+ te = teib_entry_find (sw_if_index, fproto, peer);
if (NULL == te)
{
teib_key_t nk = {
.tk_peer = *peer,
+ .tk_proto = fproto,
.tk_sw_if_index = sw_if_index,
};
teib_entry_t *te;
+ u32 fib_index;
+
+ fib_index = fib_table_get_index_for_sw_if_index (fproto, sw_if_index);
pool_get_zero (teib_pool, te);
te->te_nh.fp_len = (te->te_nh.fp_proto == FIB_PROTOCOL_IP4 ? 32 : 128);
te->te_fib_index = fib_index;
- hash_set_mem (teib_db, te->te_key, tei);
+ hash_set_mem (teib_db[fproto], te->te_key, tei);
+
+ /* we how have a /32 in the overlay, add an adj-fib */
+ teib_adj_fib_add (te->te_key->tk_proto,
+ &te->te_key->tk_peer, sw_if_index, fib_index);
TEIB_NOTIFY (te, nv_added);
+ TEIB_TE_INFO (te, "created");
}
else
- return (VNET_API_ERROR_ENTRY_ALREADY_EXISTS);
-
+ {
+ TEIB_TE_INFO (te, "exists");
+ return (VNET_API_ERROR_ENTRY_ALREADY_EXISTS);
+ }
return 0;
}
int
-teib_entry_del (u32 sw_if_index, const ip46_address_t * peer)
+teib_entry_del (u32 sw_if_index,
+ fib_protocol_t fproto, const ip46_address_t * peer)
{
teib_entry_t *te;
- te = teib_entry_find (sw_if_index, peer);
+ te = teib_entry_find (sw_if_index, fproto, peer);
if (te != NULL)
{
- hash_unset_mem (teib_db, te->te_key);
+ TEIB_TE_INFO (te, "removed");
+
+ u32 fib_index;
+
+ fib_index = fib_table_get_index_for_sw_if_index (fproto, sw_if_index);
+
+ teib_adj_fib_remove (te->te_key->tk_proto,
+ &te->te_key->tk_peer, sw_if_index, fib_index);
+
+ hash_unset_mem (teib_db[fproto], te->te_key);
TEIB_NOTIFY (te, nv_deleted);
pool_put (teib_pool, te);
}
else
- return (VNET_API_ERROR_ENTRY_ALREADY_EXISTS);
-
+ {
+ TEIB_INFO ("no such entry: %U, %U, %U",
+ format_vnet_sw_if_index_name,
+ vnet_get_main (), sw_if_index,
+ format_fib_protocol, fproto,
+ format_ip46_address, peer, IP46_TYPE_ANY);
+ return (VNET_API_ERROR_NO_SUCH_ENTRY);
+ }
return 0;
}
s = format (s, "[%d] ", tei);
s = format (s, "%U:", format_vnet_sw_if_index_name,
vnm, te->te_key->tk_sw_if_index);
- s = format (s, " %U", format_ip46_address,
+ s = format (s, " %U:", format_fib_protocol, te->te_key->tk_proto);
+ s = format (s, "%U", format_ip46_address,
&te->te_key->tk_peer, IP46_TYPE_ANY);
s = format (s, " via [%d]:%U",
fib_table_get_table_id (te->te_fib_index, te->te_nh.fp_proto),
/* *INDENT-ON* */
}
+static void
+teib_walk_itf_proto (u32 sw_if_index,
+ fib_protocol_t fproto, teib_walk_cb_t fn, void *ctx)
+{
+ index_t tei;
+
+ /* *INDENT-OFF* */
+ pool_foreach_index(tei, teib_pool,
+ ({
+ if (sw_if_index == teib_entry_get_sw_if_index(teib_entry_get(tei)) &&
+ fproto == teib_entry_get_proto(teib_entry_get(tei)))
+ fn(tei, ctx);
+ }));
+ /* *INDENT-ON* */
+}
+
+typedef struct teib_table_bind_ctx_t_
+{
+ u32 new_fib_index;
+ u32 old_fib_index;
+} teib_table_bind_ctx_t;
+
+static walk_rc_t
+teib_walk_table_bind (index_t tei, void *arg)
+{
+ teib_table_bind_ctx_t *ctx = arg;
+ teib_entry_t *te;
+
+ te = teib_entry_get (tei);
+
+ TEIB_TE_INFO (te, "bind: %d -> %d", ctx->old_fib_index, ctx->new_fib_index);
+
+ teib_adj_fib_remove (te->te_key->tk_proto,
+ &te->te_key->tk_peer,
+ te->te_key->tk_sw_if_index, ctx->old_fib_index);
+ teib_adj_fib_add (te->te_key->tk_proto,
+ &te->te_key->tk_peer,
+ te->te_key->tk_sw_if_index, ctx->new_fib_index);
+
+ return (WALK_CONTINUE);
+}
+
+static void
+teib_table_bind_v4 (ip4_main_t * im,
+ uword opaque,
+ u32 sw_if_index, u32 new_fib_index, u32 old_fib_index)
+{
+ teib_table_bind_ctx_t ctx = {
+ .old_fib_index = old_fib_index,
+ .new_fib_index = new_fib_index,
+ };
+
+ teib_walk_itf_proto (sw_if_index,
+ FIB_PROTOCOL_IP4, teib_walk_table_bind, &ctx);
+}
+
+static void
+teib_table_bind_v6 (ip6_main_t * im,
+ uword opaque,
+ u32 sw_if_index, u32 new_fib_index, u32 old_fib_index)
+{
+ teib_table_bind_ctx_t ctx = {
+ .old_fib_index = old_fib_index,
+ .new_fib_index = new_fib_index,
+ };
+
+ teib_walk_itf_proto (sw_if_index,
+ FIB_PROTOCOL_IP6, teib_walk_table_bind, &ctx);
+}
+
void
teib_register (const teib_vft_t * vft)
{
static clib_error_t *
teib_init (vlib_main_t * vm)
{
- teib_db = hash_create_mem (0, sizeof (teib_key_t), sizeof (u32));
+ fib_protocol_t fproto;
+
+ FOR_EACH_FIB_IP_PROTOCOL (fproto)
+ teib_db[fproto] = hash_create_mem (0, sizeof (teib_key_t), sizeof (u32));
+
+ ip4_table_bind_callback_t cb4 = {
+ .function = teib_table_bind_v4,
+ };
+ vec_add1 (ip4_main.table_bind_callbacks, cb4);
+
+ ip6_table_bind_callback_t cb6 = {
+ .function = teib_table_bind_v6,
+ };
+ vec_add1 (ip6_main.table_bind_callbacks, cb6);
+
+ teib_logger = vlib_log_register_class ("teib", "teib");
return (NULL);
}
Code Review / vpp.git / blobdiff