From 69abe4442bfd74976adc7371b35917cdee0d4274 Mon Sep 17 00:00:00 2001 From: Damjan Marion Date: Mon, 27 Aug 2018 22:43:23 +0200 Subject: vlib: add 'show node' and 'set node function' CLI Change-Id: I084d7c9e34329f10b5fe45e0b157c4defe0f2811 Signed-off-by: Damjan Marion --- src/vlib/node.c | 1 + src/vlib/node.h | 13 +++ src/vlib/node_cli.c | 283 +++++++++++++++++++++++++++++++++++++++++++++------- 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 @@ -88,6 +88,52 @@ 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) { @@ -95,7 +141,6 @@ format_vlib_node_stats (u8 * s, va_list * va) 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] ", + .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 ", + .function = set_node_fn, +}; +/* *INDENT-ON* */ + /* Dummy function to get us linked in. */ void vlib_node_cli_reference (void) -- cgit 1.2.3-korg