Function parse_vc_action_rss

dpdk/app/test-pmd/cmdline_flow.c:8440–8481

Parse RSS action. */

/** Parse RSS action. */
static int
parse_vc_action_rss(struct context *ctx, const struct token *token,
		    const char *str, unsigned int len,
		    void *buf, unsigned int size)
{
	struct buffer *out = buf;
	struct rte_flow_action *action;
	struct action_rss_data *action_rss_data;
	unsigned int i;
	int ret;

	ret = parse_vc(ctx, token, str, len, buf, size);
	if (ret < 0)
		return ret;
	/* Nothing else to do if there is no buffer. */
	if (!out)
		return ret;
	if (!out->args.vc.actions_n)
		return -1;
	action = &out->args.vc.actions[out->args.vc.actions_n - 1];
	/* Point to selected object. */
	ctx->object = out->args.vc.data;
	ctx->objmask = NULL;
	/* Set up default configuration. */
	action_rss_data = ctx->object;
	*action_rss_data = (struct action_rss_data){
		.conf = (struct rte_flow_action_rss){
			.func = RTE_ETH_HASH_FUNCTION_DEFAULT,
			.level = 0,
			.types = rss_hf,
			.key_len = 0,
			.queue_num = RTE_MIN(nb_rxq, ACTION_RSS_QUEUE_NUM),
			.key = NULL,
			.queue = action_rss_data->queue,
		},
		.queue = { 0 },
	};
	for (i = 0; i < action_rss_data->conf.queue_num; ++i)
		action_rss_data->queue[i] = i;
	action->conf = &action_rss_data->conf;
	return ret;
}

/**
 * Parse func field for RSS action.