*/
#include <vnet/feature/feature.h>
-#include <vnet/adj/adj.h>
+
vnet_feature_main_t feature_main;
+typedef struct vnet_feature_upd_registration_t_
+{
+ vnet_feature_update_cb_t cb;
+ void *data;
+} vnet_feature_upd_registration_t;
+
+static vnet_feature_upd_registration_t *regs;
+
+void
+vnet_feature_register (vnet_feature_update_cb_t cb, void *data)
+{
+ vnet_feature_upd_registration_t *reg;
+
+ vec_add2 (regs, reg, 1);
+
+ reg->cb = cb;
+ reg->data = data;
+}
+
+static void
+vent_feature_reg_invoke (u32 sw_if_index, u8 arc_index, u8 is_enable)
+{
+ vnet_feature_upd_registration_t *reg;
+
+ vec_foreach (reg, regs)
+ reg->cb (sw_if_index, arc_index, is_enable, reg->data);
+}
+
+
static clib_error_t *
vnet_feature_init (vlib_main_t * vm)
{
vnet_feature_main_t *fm = &feature_main;
vnet_feature_registration_t *freg;
vnet_feature_arc_registration_t *areg;
+ vnet_feature_constraint_registration_t *creg;
u32 arc_index = 0;
fm->arc_index_by_name = hash_create_string (0, sizeof (uword));
vec_validate (fm->next_feature_by_name, arc_index - 1);
vec_validate (fm->sw_if_index_has_features, arc_index - 1);
vec_validate (fm->feature_count_by_sw_if_index, arc_index - 1);
+ vec_validate (fm->next_constraint_by_arc, arc_index - 1);
freg = fm->next_feature;
while (freg)
freg = next;
}
+ /* Move bulk constraints to the constraint by arc lists */
+ creg = fm->next_constraint;
+ while (creg)
+ {
+ vnet_feature_constraint_registration_t *next;
+ uword *p = hash_get_mem (fm->arc_index_by_name, creg->arc_name);
+ if (p == 0)
+ {
+ /* Don't start vpp with broken features arcs */
+ clib_warning ("Unknown feature arc '%s'", creg->arc_name);
+ os_exit (1);
+ }
+
+ areg = uword_to_pointer (p[0], vnet_feature_arc_registration_t *);
+ arc_index = areg->feature_arc_index;
+
+ next = creg->next;
+ creg->next_in_arc = fm->next_constraint_by_arc[arc_index];
+ fm->next_constraint_by_arc[arc_index] = creg;
+
+ /* next */
+ creg = next;
+ }
+
+
areg = fm->next_arc;
while (areg)
{
clib_error_t *error;
vnet_feature_config_main_t *cm;
vnet_config_main_t *vcm;
+ char **features_in_order, *last_feature;
arc_index = areg->feature_arc_index;
cm = &fm->feature_config_mains[arc_index];
vcm = &cm->config_main;
- if ((error = vnet_feature_arc_init (vm, vcm,
- areg->start_nodes,
- areg->n_start_nodes,
- fm->next_feature_by_arc[arc_index],
- &fm->feature_nodes[arc_index])))
+ if ((error = vnet_feature_arc_init
+ (vm, vcm, areg->start_nodes, areg->n_start_nodes,
+ areg->last_in_arc,
+ fm->next_feature_by_arc[arc_index],
+ fm->next_constraint_by_arc[arc_index],
+ &fm->feature_nodes[arc_index])))
{
clib_error_report (error);
os_exit (1);
}
+ features_in_order = fm->feature_nodes[arc_index];
+
+ /* If specified, verify that the last node in the arc is actually last */
+ if (areg->last_in_arc && vec_len (features_in_order) > 0)
+ {
+ last_feature = features_in_order[vec_len (features_in_order) - 1];
+ if (strncmp (areg->last_in_arc, last_feature,
+ strlen (areg->last_in_arc)))
+ clib_warning
+ ("WARNING: %s arc: last node is %s, but expected %s!",
+ areg->arc_name, last_feature, areg->last_in_arc);
+ }
+
fm->next_feature_by_name[arc_index] =
hash_create_string (0, sizeof (uword));
freg = fm->next_feature_by_arc[arc_index];
fm->sw_if_index_has_features[arc_index] =
clib_bitmap_set (fm->sw_if_index_has_features[arc_index], sw_if_index,
(feature_count > 0));
- adj_feature_update (sw_if_index, arc_index, (feature_count > 0));
+ vent_feature_reg_invoke (sw_if_index, arc_index, (feature_count > 0));
fm->feature_count_by_sw_if_index[arc_index][sw_if_index] = feature_count;
return 0;
n_feature_config_bytes);
}
+static int
+feature_cmp (void *a1, void *a2)
+{
+ vnet_feature_registration_t *reg1 = a1;
+ vnet_feature_registration_t *reg2 = a2;
+
+ return (int) reg1->feature_index - reg2->feature_index;
+}
/** Display the set of available driver features.
Useful for verifying that expected features are present
vnet_feature_main_t *fm = &feature_main;
vnet_feature_arc_registration_t *areg;
vnet_feature_registration_t *freg;
+ vnet_feature_registration_t *feature_regs = 0;
+ int verbose = 0;
+
+ if (unformat (input, "verbose"))
+ verbose = 1;
vlib_cli_output (vm, "Available feature paths");
areg = fm->next_arc;
while (areg)
{
- vlib_cli_output (vm, "%s:", areg->arc_name);
+ if (verbose)
+ vlib_cli_output (vm, "[%2d] %s:", areg->feature_arc_index,
+ areg->arc_name);
+ else
+ vlib_cli_output (vm, "%s:", areg->arc_name);
+
freg = fm->next_feature_by_arc[areg->feature_arc_index];
while (freg)
{
- vlib_cli_output (vm, " %s\n", freg->node_name);
+ vec_add1 (feature_regs, freg[0]);
freg = freg->next_in_arc;
}
+ vec_sort_with_function (feature_regs, feature_cmp);
+ vec_foreach (freg, feature_regs)
+ {
+ if (verbose)
+ vlib_cli_output (vm, " [%2d]: %s\n", freg->feature_index,
+ freg->node_name);
+ else
+ vlib_cli_output (vm, " %s\n", freg->node_name);
+ }
+ vec_reset_length (feature_regs);
/* next */
areg = areg->next;
}
+ vec_free (feature_regs);
return 0;
}
*
* @cliexpar
* Example:
- * @cliexcmd{show ip features}
+ * @cliexcmd{show features [verbose]}
* @cliexend
* @endparblock
?*/
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (show_features_command, static) = {
.path = "show features",
- .short_help = "show features",
+ .short_help = "show features [verbose]",
.function = show_features_command_fn,
};
/* *INDENT-ON* */
*/
void
-vnet_interface_features_show (vlib_main_t * vm, u32 sw_if_index)
+vnet_interface_features_show (vlib_main_t * vm, u32 sw_if_index, int verbose)
{
vnet_feature_main_t *fm = &feature_main;
u32 node_index, current_config_index;
vlib_node_t *n;
int i;
- vlib_cli_output (vm, "Driver feature paths configured on %U...",
+ vlib_cli_output (vm, "Feature paths configured on %U...",
format_vnet_sw_if_index_name,
vnet_get_main (), sw_if_index);
feat = cfg->features + i;
node_index = feat->node_index;
n = vlib_get_node (vm, node_index);
- vlib_cli_output (vm, " %v", n->name);
+ if (verbose)
+ vlib_cli_output (vm, " [%2d] %v", feat->feature_index, n->name);
+ else
+ vlib_cli_output (vm, " %v", n->name);
}
}
}
/* Get a line of input. */
if (!unformat_user (input, unformat_line_input, line_input))
- goto done;
+ return 0;
while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
{
if (unformat
- (line_input, "%U %v", unformat_vnet_sw_interface, vnm, &sw_if_index,
- &feature_name))
- ;
- else if (unformat (line_input, "arc %v", &arc_name))
+ (line_input, "%U %s arc %s", unformat_vnet_sw_interface, vnm,
+ &sw_if_index, &feature_name, &arc_name))
;
else if (unformat (line_input, "disable"))
enable = 0;
goto done;
}
}
+ if (!feature_name || !arc_name)
+ {
+ error = clib_error_return (0, "Both feature name and arc required...");
+ goto done;
+ }
if (sw_if_index == ~0)
{
vec_add1 (arc_name, 0);
vec_add1 (feature_name, 0);
+ u8 arc_index;
+
+ arc_index = vnet_get_feature_arc_index ((const char *) arc_name);
+
+ if (arc_index == (u8) ~ 0)
+ {
+ error =
+ clib_error_return (0, "Unknown arc name (%s)... ",
+ (const char *) arc_name);
+ goto done;
+ }
+
vnet_feature_registration_t *reg;
reg =
vnet_get_feature_reg ((const char *) arc_name,
(const char *) feature_name);
if (reg == 0)
{
- error = clib_error_return (0, "Unknown feature...");
+ error =
+ clib_error_return (0,
+ "Feature (%s) not registered to arc (%s)... See 'show features verbose' for valid feature/arc combinations. ",
+ feature_name, arc_name);
goto done;
}
if (reg->enable_disable_cb)