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authorDamjan Marion <damarion@cisco.com>2018-08-27 22:43:23 +0200
committerDamjan Marion <damarion@cisco.com>2018-08-28 11:11:24 +0200
commit69abe4442bfd74976adc7371b35917cdee0d4274 (patch)
tree18d6f749729ab08ff293dde1cb6951dc9128b818 /src/vlib
parent57791ad4decd925bfe6c90f57ad628b1afbfcdac (diff)
vlib: add 'show node' and 'set node function' CLI
Change-Id: I084d7c9e34329f10b5fe45e0b157c4defe0f2811 Signed-off-by: Damjan Marion <damarion@cisco.com>
Diffstat (limited to 'src/vlib')
-rw-r--r--src/vlib/node.c1
-rw-r--r--src/vlib/node.h13
-rw-r--r--src/vlib/node_cli.c283
3 files changed, 262 insertions, 35 deletions
diff --git a/src/vlib/node.c b/src/vlib/node.c
index 805c69e4f8b..ed474eb5311 100644
--- a/src/vlib/node.c
+++ b/src/vlib/node.c
@@ -349,6 +349,7 @@ register_node (vlib_main_t * vm, vlib_node_registration_t * r)
n = clib_mem_alloc_no_fail (sizeof (n[0]));
memset (n, 0, sizeof (n[0]));
n->index = vec_len (nm->nodes);
+ n->node_fn_registrations = r->node_fn_registrations;
vec_add1 (nm->nodes, n);
diff --git a/src/vlib/node.h b/src/vlib/node.h
index 277cee89caf..17d0f24a886 100644
--- a/src/vlib/node.h
+++ b/src/vlib/node.h
@@ -80,6 +80,7 @@ typedef struct _vlib_node_fn_registration
vlib_node_function_t *function;
int priority;
struct _vlib_node_fn_registration *next_registration;
+ char *name;
} vlib_node_fn_registration_t;
typedef struct _vlib_node_registration
@@ -175,6 +176,14 @@ __VA_ARGS__ vlib_node_registration_t x
static __clib_unused vlib_node_registration_t __clib_unused_##x
#endif
+#ifndef CLIB_MARCH_VARIANT
+#define CLIB_MARCH_VARIANT_STR "default"
+#else
+#define _CLIB_MARCH_VARIANT_STR(s) __CLIB_MARCH_VARIANT_STR(s)
+#define __CLIB_MARCH_VARIANT_STR(s) #s
+#define CLIB_MARCH_VARIANT_STR _CLIB_MARCH_VARIANT_STR(CLIB_MARCH_VARIANT)
+#endif
+
#define VLIB_NODE_FN(node) \
uword CLIB_MARCH_SFX (node##_fn)(); \
static vlib_node_fn_registration_t \
@@ -188,6 +197,7 @@ CLIB_MARCH_SFX (node##_multiarch_register) (void) \
vlib_node_fn_registration_t *r; \
r = & CLIB_MARCH_SFX (node##_fn_registration); \
r->priority = CLIB_MARCH_FN_PRIORITY(); \
+ r->name = CLIB_MARCH_VARIANT_STR; \
r->next_registration = node.node_fn_registrations; \
node.node_fn_registrations = r; \
} \
@@ -361,6 +371,9 @@ typedef struct vlib_node_t
struct vlib_frame_t * f);
/* for pretty-printing, not typically valid */
u8 *state_string;
+
+ /* Node function candidate registration with priority */
+ vlib_node_fn_registration_t *node_fn_registrations;
} vlib_node_t;
#define VLIB_INVALID_NODE_INDEX ((u32) ~0)
diff --git a/src/vlib/node_cli.c b/src/vlib/node_cli.c
index 619170e3027..95f0fabdad1 100644
--- a/src/vlib/node_cli.c
+++ b/src/vlib/node_cli.c
@@ -89,13 +89,58 @@ VLIB_CLI_COMMAND (show_node_graph_command, static) = {
/* *INDENT-ON* */
static u8 *
+format_vlib_node_state (u8 * s, va_list * va)
+{
+ vlib_main_t *vm = va_arg (*va, vlib_main_t *);
+ vlib_node_t *n = va_arg (*va, vlib_node_t *);
+ char *state;
+
+ state = "active";
+ if (n->type == VLIB_NODE_TYPE_PROCESS)
+ {
+ vlib_process_t *p = vlib_get_process_from_node (vm, n);
+
+ switch (p->flags & (VLIB_PROCESS_IS_SUSPENDED_WAITING_FOR_CLOCK
+ | VLIB_PROCESS_IS_SUSPENDED_WAITING_FOR_EVENT))
+ {
+ default:
+ if (!(p->flags & VLIB_PROCESS_IS_RUNNING))
+ state = "done";
+ break;
+
+ case VLIB_PROCESS_IS_SUSPENDED_WAITING_FOR_CLOCK:
+ state = "time wait";
+ break;
+
+ case VLIB_PROCESS_IS_SUSPENDED_WAITING_FOR_EVENT:
+ state = "event wait";
+ break;
+
+ case (VLIB_PROCESS_IS_SUSPENDED_WAITING_FOR_EVENT | VLIB_PROCESS_IS_SUSPENDED_WAITING_FOR_CLOCK):
+ state =
+ "any wait";
+ break;
+ }
+ }
+ else if (n->type != VLIB_NODE_TYPE_INTERNAL)
+ {
+ state = "polling";
+ if (n->state == VLIB_NODE_STATE_DISABLED)
+ state = "disabled";
+ else if (n->state == VLIB_NODE_STATE_INTERRUPT)
+ state = "interrupt wait";
+ }
+
+ return format (s, "%s", state);
+}
+
+static u8 *
format_vlib_node_stats (u8 * s, va_list * va)
{
vlib_main_t *vm = va_arg (*va, vlib_main_t *);
vlib_node_t *n = va_arg (*va, vlib_node_t *);
int max = va_arg (*va, int);
f64 v;
- char *state;
u8 *ns;
u8 *misc_info = 0;
u64 c, p, l, d;
@@ -145,7 +190,6 @@ format_vlib_node_stats (u8 * s, va_list * va)
else
v = 0;
- state = "active";
if (n->type == VLIB_NODE_TYPE_PROCESS)
{
vlib_process_t *p = vlib_get_process_from_node (vm, n);
@@ -154,46 +198,15 @@ format_vlib_node_stats (u8 * s, va_list * va)
being handled. */
if (!clib_bitmap_is_zero (p->non_empty_event_type_bitmap))
misc_info = format (misc_info, "events pending, ");
-
- switch (p->flags & (VLIB_PROCESS_IS_SUSPENDED_WAITING_FOR_CLOCK
- | VLIB_PROCESS_IS_SUSPENDED_WAITING_FOR_EVENT))
- {
- default:
- if (!(p->flags & VLIB_PROCESS_IS_RUNNING))
- state = "done";
- break;
-
- case VLIB_PROCESS_IS_SUSPENDED_WAITING_FOR_CLOCK:
- state = "time wait";
- break;
-
- case VLIB_PROCESS_IS_SUSPENDED_WAITING_FOR_EVENT:
- state = "event wait";
- break;
-
- case (VLIB_PROCESS_IS_SUSPENDED_WAITING_FOR_EVENT | VLIB_PROCESS_IS_SUSPENDED_WAITING_FOR_CLOCK):
- state =
- "any wait";
- break;
- }
}
- else if (n->type != VLIB_NODE_TYPE_INTERNAL)
- {
- state = "polling";
- if (n->state == VLIB_NODE_STATE_DISABLED)
- state = "disabled";
- else if (n->state == VLIB_NODE_STATE_INTERRUPT)
- state = "interrupt wait";
- }
-
ns = n->name;
if (max)
s = format (s, "%-30v%=17.2e%=16d%=16.2e%=16.2e%=16.2e",
ns, maxc, maxn, maxcn, x, v);
else
- s = format (s, "%-30v%=12s%16Ld%16Ld%16Ld%16.2e%16.2f", ns, state,
- c, p, d, x, v);
+ s = format (s, "%-30v%=12U%16Ld%16Ld%16Ld%16.2e%16.2f", ns,
+ format_vlib_node_state, vm, n, c, p, d, x, v);
if (ns != n->name)
vec_free (ns);
@@ -441,6 +454,206 @@ VLIB_CLI_COMMAND (clear_node_runtime_command, static) = {
};
/* *INDENT-ON* */
+static clib_error_t *
+show_node (vlib_main_t * vm, unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ unformat_input_t _line_input, *line_input = &_line_input;
+ vlib_node_main_t *nm = &vm->node_main;
+ vlib_node_t *n;
+ u8 *s = 0, *s2 = 0;
+ u32 i, node_index = ~0;
+ char *type_str;
+
+ if (!unformat_user (input, unformat_line_input, line_input))
+ return 0;
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (line_input, "%U", unformat_vlib_node, vm, &node_index))
+ ;
+ else if (unformat (line_input, "index %u", &node_index))
+ ;
+ else
+ return clib_error_return (0, "unknown input '%U'",
+ format_unformat_error, line_input);
+ }
+ unformat_free (line_input);
+
+ if (node_index >= vec_len (vm->node_main.nodes))
+ return clib_error_return (0, "please specify valid node");
+
+ n = vlib_get_node (vm, node_index);
+ vlib_node_sync_stats (vm, n);
+
+ switch (n->type)
+ {
+ case VLIB_NODE_TYPE_INTERNAL:
+ type_str = "internal";
+ break;
+ case VLIB_NODE_TYPE_INPUT:
+ type_str = "input";
+ break;
+ case VLIB_NODE_TYPE_PRE_INPUT:
+ type_str = "pre-input";
+ break;
+ case VLIB_NODE_TYPE_PROCESS:
+ type_str = "process";
+ break;
+ default:
+ type_str = "unknown";
+ }
+
+ if (n->sibling_of)
+ s = format (s, ", sibling-of %s", n->sibling_of);
+
+ vlib_cli_output (vm, "node %s, type %s, state %U, index %d%v\n",
+ n->name, type_str, format_vlib_node_state, vm, n,
+ n->index, s);
+ vec_reset_length (s);
+
+ if (n->node_fn_registrations)
+ {
+ vlib_node_fn_registration_t *fnr = n->node_fn_registrations;
+ while (fnr)
+ {
+ if (vec_len (s) == 0)
+ s = format (s, "\n %-15s %=8s %6s",
+ "Name", "Priority", "Active");
+ s = format (s, "\n %-15s %=8u %=6s", fnr->name, fnr->priority,
+ fnr->function == n->function ? "yes" : "");
+ fnr = fnr->next_registration;
+ }
+ }
+ else
+ s = format (s, "\n defult only");
+ vlib_cli_output (vm, " node function variants:%v\n", s);
+ vec_reset_length (s);
+
+ for (i = 0; i < vec_len (n->next_nodes); i++)
+ {
+ vlib_node_t *pn;
+ if (n->next_nodes[i] == VLIB_INVALID_NODE_INDEX)
+ continue;
+
+ pn = vec_elt (nm->nodes, n->next_nodes[i]);
+
+ if (vec_len (s) == 0)
+ s = format (s, "\n %10s %10s %=30s %8s",
+ "next-index", "node-index", "Node", "Vectors");
+
+ s = format (s, "\n %=10u %=10u %-30v %=8llu", i, n->next_nodes[i],
+ pn->name, vec_elt (n->n_vectors_by_next_node, i));
+ }
+
+ if (vec_len (s) == 0)
+ s = format (s, "\n none");
+ vlib_cli_output (vm, "\n next nodes:%v\n", s);
+ vec_reset_length (s);
+
+ if (n->type == VLIB_NODE_TYPE_INTERNAL)
+ {
+ int j = 0;
+ /* *INDENT-OFF* */
+ clib_bitmap_foreach (i, n->prev_node_bitmap, ({
+ vlib_node_t *pn = vlib_get_node (vm, i);
+ if (j++ % 3 == 0)
+ s = format (s, "\n ");
+ s2 = format (s2, "%v (%u)", pn->name, i);
+ s = format (s, "%-35v", s2);
+ vec_reset_length (s2);
+ }));
+ /* *INDENT-ON* */
+
+ if (vec_len (s) == 0)
+ s = format (s, "\n none");
+ vlib_cli_output (vm, "\n known previous nodes:%v\n", s);
+ vec_reset_length (s);
+ }
+
+ vec_free (s);
+ vec_free (s2);
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (show_node_command, static) = {
+ .path = "show node",
+ .short_help = "show node [index] <node-name | node-index>",
+ .function = show_node,
+};
+
+static clib_error_t *
+set_node_fn(vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd)
+{
+ unformat_input_t _line_input, *line_input = &_line_input;
+ u32 node_index;
+ vlib_node_t *n;
+ clib_error_t *err = 0;
+ vlib_node_fn_registration_t *fnr;
+ u8 *variant = 0;
+
+ if (!unformat_user (input, unformat_line_input, line_input))
+ return 0;
+
+ if (!unformat (line_input, "%U", unformat_vlib_node, vm, &node_index))
+ {
+ err = clib_error_return (0, "please specify valid node name");
+ goto done;
+ }
+
+ if (!unformat (line_input, "%s", &variant))
+ {
+ err = clib_error_return (0, "please specify node function variant");
+ goto done;
+ }
+
+ n = vlib_get_node (vm, node_index);
+
+ if (n->node_fn_registrations == 0)
+ {
+ err = clib_error_return (0, "node doesn't have fnuctiona varinats");
+ goto done;
+ }
+
+ fnr = n->node_fn_registrations;
+ vec_add1 (variant, 0);
+
+ while (fnr)
+ {
+ if (!strncmp (fnr->name, (char *) variant, vec_len (variant) - 1))
+ {
+ int i;
+
+ n->function = fnr->function;
+
+ for (i = 0; i < vec_len (vlib_mains); i++)
+ {
+ vlib_node_runtime_t *nrt;
+ nrt = vlib_node_get_runtime (vlib_mains[i], n->index);
+ nrt->function = fnr->function;
+ }
+ goto done;
+ }
+ fnr = fnr->next_registration;
+ }
+
+ err = clib_error_return (0, "node fnuction variant '%s' not found", variant);
+
+done:
+ vec_free (variant);
+ unformat_free (line_input);
+ return err;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (set_node_fn_command, static) = {
+ .path = "set node function",
+ .short_help = "set node function <node-name> <variant-name>",
+ .function = set_node_fn,
+};
+/* *INDENT-ON* */
+
/* Dummy function to get us linked in. */
void
vlib_node_cli_reference (void)