#include <vnet/fib/ip6_fib.h>
#include <vnet/fib/mpls_fib.h>
+const static char * fib_table_flags_strings[] = FIB_TABLE_ATTRIBUTES;
+
fib_table_t *
fib_table_get (fib_node_index_t index,
fib_protocol_t proto)
return;
/*
- * find and inform the covering entry that a new more specific
- * has been inserted beneath it
+ * find the covering entry
*/
fib_entry_cover_index = fib_table_get_less_specific_i(fib_table, prefix);
/*
*/
if (fib_entry_cover_index != fib_entry_index)
{
- fib_entry_cover_change_notify(fib_entry_cover_index,
- fib_entry_index);
+ /*
+ * push any inherting sources from the cover onto the covered
+ */
+ fib_entry_inherit(fib_entry_cover_index,
+ fib_entry_index);
+
+ /*
+ * inform the covering entry that a new more specific
+ * has been inserted beneath it.
+ * If the prefix that has been inserted is a host route
+ * then it is not possible that it will be the cover for any
+ * other entry, so we can elide the walk. This is particularly
+ * beneficial since there are often many host entries sharing the
+ * same cover (i.e. ADJ or RR sourced entries).
+ */
+ if (!fib_entry_is_host(fib_entry_index))
+ {
+ fib_entry_cover_change_notify(fib_entry_cover_index,
+ fib_entry_index);
+ }
}
}
*/
static void
fib_table_route_path_fixup (const fib_prefix_t *prefix,
- fib_entry_flag_t eflags,
+ fib_entry_flag_t *eflags,
fib_route_path_t *path)
{
/*
/* Prefix recurses via itse;f */
path->frp_flags |= FIB_ROUTE_PATH_DROP;
}
- if (fib_prefix_is_host(prefix) &&
+ if (!(path->frp_flags & FIB_ROUTE_PATH_LOCAL) &&
+ fib_prefix_is_host(prefix) &&
ip46_address_is_zero(&path->frp_addr) &&
- path->frp_sw_if_index != ~0)
+ path->frp_sw_if_index != ~0 &&
+ path->frp_proto != DPO_PROTO_ETHERNET)
{
path->frp_addr = prefix->fp_addr;
path->frp_flags |= FIB_ROUTE_PATH_ATTACHED;
}
- if (eflags & FIB_ENTRY_FLAG_DROP)
+ if (*eflags & FIB_ENTRY_FLAG_DROP)
{
path->frp_flags |= FIB_ROUTE_PATH_DROP;
}
- if (eflags & FIB_ENTRY_FLAG_LOCAL)
+ if (*eflags & FIB_ENTRY_FLAG_LOCAL)
{
path->frp_flags |= FIB_ROUTE_PATH_LOCAL;
}
- if (eflags & FIB_ENTRY_FLAG_EXCLUSIVE)
+ if (*eflags & FIB_ENTRY_FLAG_EXCLUSIVE)
{
path->frp_flags |= FIB_ROUTE_PATH_EXCLUSIVE;
}
+ if (path->frp_flags & FIB_ROUTE_PATH_LOCAL)
+ {
+ *eflags |= FIB_ENTRY_FLAG_LOCAL;
+
+ if (path->frp_sw_if_index != ~0)
+ {
+ *eflags |= FIB_ENTRY_FLAG_CONNECTED;
+ }
+ }
}
fib_node_index_t
u32 next_hop_sw_if_index,
u32 next_hop_fib_index,
u32 next_hop_weight,
- mpls_label_t *next_hop_labels,
+ fib_mpls_label_t *next_hop_labels,
fib_route_path_flags_t path_flags)
{
fib_route_path_t path = {
.frp_fib_index = next_hop_fib_index,
.frp_weight = next_hop_weight,
.frp_flags = path_flags,
+ .frp_rpf_id = INDEX_INVALID,
.frp_label_stack = next_hop_labels,
};
fib_node_index_t fib_entry_index;
const fib_prefix_t *prefix,
fib_source_t source,
fib_entry_flag_t flags,
- fib_route_path_t *rpath)
+ fib_route_path_t *rpaths)
{
fib_node_index_t fib_entry_index;
fib_table_t *fib_table;
fib_table = fib_table_get(fib_index, prefix->fp_proto);
fib_entry_index = fib_table_lookup_exact_match_i(fib_table, prefix);
- for (ii = 0; ii < vec_len(rpath); ii++)
+ for (ii = 0; ii < vec_len(rpaths); ii++)
{
- fib_table_route_path_fixup(prefix, flags, &rpath[ii]);
+ fib_table_route_path_fixup(prefix, &flags, &rpaths[ii]);
}
if (FIB_NODE_INDEX_INVALID == fib_entry_index)
{
fib_entry_index = fib_entry_create(fib_index, prefix,
source, flags,
- rpath);
+ rpaths);
fib_table_entry_insert(fib_table, prefix, fib_entry_index);
fib_table->ft_src_route_counts[source]++;
int was_sourced;
was_sourced = fib_entry_is_sourced(fib_entry_index, source);
- fib_entry_path_add(fib_entry_index, source, flags, rpath);;
+ fib_entry_path_add(fib_entry_index, source, flags, rpaths);;
if (was_sourced != fib_entry_is_sourced(fib_entry_index, source))
{
fib_table_entry_path_remove2 (u32 fib_index,
const fib_prefix_t *prefix,
fib_source_t source,
- fib_route_path_t *rpath)
+ fib_route_path_t *rpaths)
{
/*
* 1 is it present
* no => cover walk
*/
fib_node_index_t fib_entry_index;
+ fib_route_path_t *rpath;
fib_table_t *fib_table;
- u32 ii;
fib_table = fib_table_get(fib_index, prefix->fp_proto);
fib_entry_index = fib_table_lookup_exact_match_i(fib_table, prefix);
*/
fib_entry_lock(fib_entry_index);
- for (ii = 0; ii < vec_len(rpath); ii++)
+ vec_foreach(rpath, rpaths)
{
- fib_table_route_path_fixup(
- prefix,
- fib_entry_get_flags_for_source(fib_entry_index,
- source),
- &rpath[ii]);
+ fib_entry_flag_t eflags;
+
+ eflags = fib_entry_get_flags_for_source(fib_entry_index,
+ source);
+ fib_table_route_path_fixup(prefix, &eflags, rpath);
}
- src_flag = fib_entry_path_remove(fib_entry_index, source, rpath);
+ src_flag = fib_entry_path_remove(fib_entry_index, source, rpaths);
if (!(FIB_ENTRY_SRC_FLAG_ADDED & src_flag))
{
for (ii = 0; ii < vec_len(paths); ii++)
{
- fib_table_route_path_fixup(prefix, flags, &paths[ii]);
+ fib_table_route_path_fixup(prefix, &flags, &paths[ii]);
}
/*
* sort the paths provided by the control plane. this means
u32 next_hop_sw_if_index,
u32 next_hop_fib_index,
u32 next_hop_weight,
- mpls_label_t *next_hop_labels,
+ fib_mpls_label_t *next_hop_labels,
fib_route_path_flags_t path_flags)
{
fib_node_index_t fib_entry_index;
fib_table_entry_delete_index (fib_node_index_t fib_entry_index,
fib_source_t source)
{
- fib_prefix_t prefix;
+ const fib_prefix_t *prefix;
- fib_entry_get_prefix(fib_entry_index, &prefix);
+ prefix = fib_entry_get_prefix(fib_entry_index);
fib_table_entry_delete_i(fib_entry_get_fib_index(fib_entry_index),
- fib_entry_index, &prefix, source);
+ fib_entry_index, prefix, source);
+}
+
+u32
+fib_table_entry_get_stats_index (u32 fib_index,
+ const fib_prefix_t *prefix)
+{
+ return (fib_entry_get_stats_index(
+ fib_table_lookup_exact_match(fib_index, prefix)));
}
fib_node_index_t
return (fib->ft_flow_hash_config);
}
+
flow_hash_config_t
fib_table_get_default_flow_hash_config (fib_protocol_t proto)
{
flow_hash_config_t hash_config;
} fib_table_set_flow_hash_config_ctx_t;
-static int
+static fib_table_walk_rc_t
fib_table_set_flow_hash_config_cb (fib_node_index_t fib_entry_index,
void *arg)
{
fib_entry_set_flow_hash_config(fib_entry_index, ctx->hash_config);
- return (1);
+ return (FIB_TABLE_WALK_CONTINUE);
}
void
return ((NULL != fib_table ? fib_table->ft_table_id : ~0));
}
+u32
+fib_table_get_table_id (u32 fib_index,
+ fib_protocol_t proto)
+{
+ fib_table_t *fib_table;
+
+ fib_table = fib_table_get(fib_index, proto);
+
+ return ((NULL != fib_table ? fib_table->ft_table_id : ~0));
+}
+
u32
fib_table_find (fib_protocol_t proto,
u32 table_id)
fib_node_index_t fi;
va_list ap;
- va_start(ap, fmt);
switch (proto)
{
fi = ip4_fib_table_create_and_lock(src);
break;
case FIB_PROTOCOL_IP6:
- fi = ip6_fib_table_create_and_lock(src);
+ fi = ip6_fib_table_create_and_lock(src, FIB_TABLE_FLAG_NONE, NULL);
break;
case FIB_PROTOCOL_MPLS:
fi = mpls_fib_table_create_and_lock(src);
fib_table = fib_table_get(fi, proto);
+ va_start(ap, fmt);
+
fib_table->ft_desc = va_format(fib_table->ft_desc, fmt, &ap);
va_end(ap);
}
}
+void
+fib_table_sub_tree_walk (u32 fib_index,
+ fib_protocol_t proto,
+ const fib_prefix_t *root,
+ fib_table_walk_fn_t fn,
+ void *ctx)
+{
+ switch (proto)
+ {
+ case FIB_PROTOCOL_IP4:
+ ip4_fib_table_sub_tree_walk(ip4_fib_get(fib_index), root, fn, ctx);
+ break;
+ case FIB_PROTOCOL_IP6:
+ ip6_fib_table_sub_tree_walk(fib_index, root, fn, ctx);
+ break;
+ case FIB_PROTOCOL_MPLS:
+ break;
+ }
+}
+
void
fib_table_unlock (u32 fib_index,
fib_protocol_t proto,
fib_table->ft_locks[source]--;
fib_table->ft_locks[FIB_TABLE_TOTAL_LOCKS]--;
- if (0 == fib_table->ft_locks[source])
- {
- /*
- * The source no longer needs the table. flush any routes
- * from it just in case
- */
- fib_table_flush(fib_index, proto, source);
- }
-
if (0 == fib_table->ft_locks[FIB_TABLE_TOTAL_LOCKS])
{
/*
fib_table_t *fib_table;
fib_table = fib_table_get(fib_index, proto);
+
+ ASSERT(fib_table->ft_locks[source] < (0xffff - 1));
+
fib_table->ft_locks[source]++;
fib_table->ft_locks[FIB_TABLE_TOTAL_LOCKS]++;
}
}
u8*
-format_fib_table_name (u8* s, va_list ap)
+format_fib_table_name (u8* s, va_list* ap)
{
- fib_node_index_t fib_index = va_arg(ap, fib_node_index_t);
- fib_protocol_t proto = va_arg(ap, int); // int promotion
+ fib_node_index_t fib_index = va_arg(*ap, fib_node_index_t);
+ fib_protocol_t proto = va_arg(*ap, int); // int promotion
fib_table_t *fib_table;
fib_table = fib_table_get(fib_index, proto);
return (s);
}
+u8*
+format_fib_table_flags (u8 *s, va_list *args)
+{
+ fib_table_flags_t flags = va_arg(*args, int);
+ fib_table_attribute_t attr;
+
+ if (!flags)
+ {
+ return format(s, "none");
+ }
+
+ FOR_EACH_FIB_TABLE_ATTRIBUTE(attr) {
+ if (1 << attr & flags) {
+ s = format(s, "%s", fib_table_flags_strings[attr]);
+ }
+ }
+
+ return (s);
+}
+
/**
* @brief Table flush context. Store the indicies of matching FIB entries
* that need to be removed.
fib_source_t ftf_source;
} fib_table_flush_ctx_t;
-static int
+static fib_table_walk_rc_t
fib_table_flush_cb (fib_node_index_t fib_entry_index,
void *arg)
{
{
vec_add1(ctx->ftf_entries, fib_entry_index);
}
- return (1);
+ return (FIB_TABLE_WALK_CONTINUE);
}
-
void
fib_table_flush (u32 fib_index,
fib_protocol_t proto,
vec_free(ctx.ftf_entries);
}
+
+static fib_table_walk_rc_t
+fib_table_mark_cb (fib_node_index_t fib_entry_index,
+ void *arg)
+{
+ fib_table_flush_ctx_t *ctx = arg;
+
+ if (fib_entry_is_sourced(fib_entry_index, ctx->ftf_source))
+ {
+ fib_entry_mark(fib_entry_index, ctx->ftf_source);
+ }
+ return (FIB_TABLE_WALK_CONTINUE);
+}
+
+void
+fib_table_mark (u32 fib_index,
+ fib_protocol_t proto,
+ fib_source_t source)
+{
+ fib_table_flush_ctx_t ctx = {
+ .ftf_source = source,
+ };
+ fib_table_t *fib_table;
+
+ fib_table = fib_table_get(fib_index, proto);
+
+ fib_table->ft_epoch++;
+ fib_table->ft_flags |= FIB_TABLE_FLAG_RESYNC;
+
+ fib_table_walk(fib_index, proto,
+ fib_table_mark_cb,
+ &ctx);
+}
+
+static fib_table_walk_rc_t
+fib_table_sweep_cb (fib_node_index_t fib_entry_index,
+ void *arg)
+{
+ fib_table_flush_ctx_t *ctx = arg;
+
+ if (fib_entry_is_marked(fib_entry_index, ctx->ftf_source))
+ {
+ vec_add1(ctx->ftf_entries, fib_entry_index);
+ }
+ return (FIB_TABLE_WALK_CONTINUE);
+}
+
+void
+fib_table_sweep (u32 fib_index,
+ fib_protocol_t proto,
+ fib_source_t source)
+{
+ fib_table_flush_ctx_t ctx = {
+ .ftf_source = source,
+ };
+ fib_node_index_t *fib_entry_index;
+ fib_table_t *fib_table;
+
+ fib_table = fib_table_get(fib_index, proto);
+
+ fib_table->ft_flags &= ~FIB_TABLE_FLAG_RESYNC;
+
+ fib_table_walk(fib_index, proto,
+ fib_table_sweep_cb,
+ &ctx);
+
+ vec_foreach(fib_entry_index, ctx.ftf_entries)
+ {
+ fib_table_entry_delete_index(*fib_entry_index, source);
+ }
+
+ vec_free(ctx.ftf_entries);
+}
+
+u8 *
+format_fib_table_memory (u8 *s, va_list *args)
+{
+ s = format(s, "%U", format_ip4_fib_table_memory);
+ s = format(s, "%U", format_ip6_fib_table_memory);
+ s = format(s, "%U", format_mpls_fib_table_memory);
+
+ return (s);
+}
Code Review / vpp.git / blobdiff