examples/pipeline: support learner tables
Add application-level support for learner tables. Signed-off-by: Cristian Dumitrescu <cristian.dumitrescu@intel.com>
This commit is contained in:
Cristian Dumitrescu
Thomas Monjalon
parent
4f59d37261
commit
8bd4862f29
@ -1827,6 +1827,104 @@ cmd_pipeline_selector_show(char **tokens,
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snprintf(out, out_size, MSG_ARG_INVALID, "selector_name");
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}
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static int
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pipeline_learner_default_entry_add(struct rte_swx_ctl_pipeline *p,
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const char *learner_name,
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FILE *file,
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uint32_t *file_line_number)
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{
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char *line = NULL;
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uint32_t line_id = 0;
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int status = 0;
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/* Buffer allocation. */
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line = malloc(MAX_LINE_SIZE);
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if (!line)
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return -ENOMEM;
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/* File read. */
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for (line_id = 1; ; line_id++) {
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struct rte_swx_table_entry *entry;
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int is_blank_or_comment;
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if (fgets(line, MAX_LINE_SIZE, file) == NULL)
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break;
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entry = rte_swx_ctl_pipeline_learner_default_entry_read(p,
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learner_name,
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line,
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&is_blank_or_comment);
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if (!entry) {
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if (is_blank_or_comment)
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continue;
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status = -EINVAL;
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goto error;
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}
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status = rte_swx_ctl_pipeline_learner_default_entry_add(p,
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learner_name,
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entry);
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table_entry_free(entry);
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if (status)
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goto error;
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}
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error:
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*file_line_number = line_id;
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free(line);
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return status;
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}
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static const char cmd_pipeline_learner_default_help[] =
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"pipeline <pipeline_name> learner <learner_name> default <file_name>\n";
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static void
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cmd_pipeline_learner_default(char **tokens,
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uint32_t n_tokens,
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char *out,
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size_t out_size,
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void *obj)
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{
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struct pipeline *p;
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char *pipeline_name, *learner_name, *file_name;
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FILE *file = NULL;
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uint32_t file_line_number = 0;
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int status;
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if (n_tokens != 6) {
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snprintf(out, out_size, MSG_ARG_MISMATCH, tokens[0]);
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return;
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}
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pipeline_name = tokens[1];
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p = pipeline_find(obj, pipeline_name);
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if (!p || !p->ctl) {
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snprintf(out, out_size, MSG_ARG_INVALID, "pipeline_name");
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return;
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}
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learner_name = tokens[3];
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file_name = tokens[5];
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file = fopen(file_name, "r");
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if (!file) {
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snprintf(out, out_size, "Cannot open file %s.\n", file_name);
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return;
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}
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status = pipeline_learner_default_entry_add(p->ctl,
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learner_name,
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file,
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&file_line_number);
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if (status)
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snprintf(out, out_size, "Invalid entry in file %s at line %u\n",
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file_name,
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file_line_number);
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fclose(file);
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}
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static const char cmd_pipeline_commit_help[] =
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"pipeline <pipeline_name> commit\n";
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@ -2501,6 +2599,64 @@ cmd_pipeline_stats(char **tokens,
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out += strlen(out);
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}
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}
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snprintf(out, out_size, "\nLearner tables:\n");
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out_size -= strlen(out);
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out += strlen(out);
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for (i = 0; i < info.n_learners; i++) {
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struct rte_swx_ctl_learner_info learner_info;
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uint64_t n_pkts_action[info.n_actions];
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struct rte_swx_learner_stats stats = {
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.n_pkts_hit = 0,
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.n_pkts_miss = 0,
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.n_pkts_action = n_pkts_action,
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};
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uint32_t j;
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status = rte_swx_ctl_learner_info_get(p->p, i, &learner_info);
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if (status) {
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snprintf(out, out_size, "Learner table info get error.");
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return;
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}
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status = rte_swx_ctl_pipeline_learner_stats_read(p->p, learner_info.name, &stats);
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if (status) {
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snprintf(out, out_size, "Learner table stats read error.");
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return;
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}
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snprintf(out, out_size, "\tLearner table %s:\n"
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"\t\tHit (packets): %" PRIu64 "\n"
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"\t\tMiss (packets): %" PRIu64 "\n"
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"\t\tLearn OK (packets): %" PRIu64 "\n"
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"\t\tLearn error (packets): %" PRIu64 "\n"
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"\t\tForget (packets): %" PRIu64 "\n",
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learner_info.name,
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stats.n_pkts_hit,
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stats.n_pkts_miss,
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stats.n_pkts_learn_ok,
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stats.n_pkts_learn_err,
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stats.n_pkts_forget);
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out_size -= strlen(out);
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out += strlen(out);
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for (j = 0; j < info.n_actions; j++) {
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struct rte_swx_ctl_action_info action_info;
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status = rte_swx_ctl_action_info_get(p->p, j, &action_info);
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if (status) {
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snprintf(out, out_size, "Action info get error.");
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return;
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}
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snprintf(out, out_size, "\t\tAction %s (packets): %" PRIu64 "\n",
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action_info.name,
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stats.n_pkts_action[j]);
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out_size -= strlen(out);
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out += strlen(out);
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}
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}
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}
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static const char cmd_thread_pipeline_enable_help[] =
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@ -2632,6 +2788,7 @@ cmd_help(char **tokens,
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"\tpipeline selector group member add\n"
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"\tpipeline selector group member delete\n"
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"\tpipeline selector show\n"
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"\tpipeline learner default\n"
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"\tpipeline commit\n"
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"\tpipeline abort\n"
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"\tpipeline regrd\n"
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@ -2781,6 +2938,15 @@ cmd_help(char **tokens,
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return;
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}
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if ((strcmp(tokens[0], "pipeline") == 0) &&
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(n_tokens == 3) &&
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(strcmp(tokens[1], "learner") == 0) &&
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(strcmp(tokens[2], "default") == 0)) {
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snprintf(out, out_size, "\n%s\n",
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cmd_pipeline_learner_default_help);
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return;
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}
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if ((strcmp(tokens[0], "pipeline") == 0) &&
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(n_tokens == 2) &&
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(strcmp(tokens[1], "commit") == 0)) {
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@ -3029,6 +3195,14 @@ cli_process(char *in, char *out, size_t out_size, void *obj)
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return;
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}
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if ((n_tokens >= 5) &&
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(strcmp(tokens[2], "learner") == 0) &&
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(strcmp(tokens[4], "default") == 0)) {
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cmd_pipeline_learner_default(tokens, n_tokens, out,
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out_size, obj);
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return;
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}
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if ((n_tokens >= 3) &&
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(strcmp(tokens[2], "commit") == 0)) {
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cmd_pipeline_commit(tokens, n_tokens, out,
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