New upstream version 18.05

Change-Id: Icd4170ddc4f63aeae5d0559490e5195b5349f9c2
Signed-off-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>

1 files changed, 269 insertions, 0 deletions

diff --git a/examples/ip_pipeline/link.c b/examples/ip_pipeline/link.c
new file mode 100644
index 00000000..b8a431f3
--- /dev/null
+++ b/examples/ip_pipeline/link.c
@@ -0,0 +1,269 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2018 Intel Corporation
+ */
+
+#include <stdlib.h>
+#include <string.h>
+
+#include <rte_ethdev.h>
+#include <rte_string_fns.h>
+
+#include "link.h"
+#include "mempool.h"
+
+static struct link_list link_list;
+
+int
+link_init(void)
+{
+	TAILQ_INIT(&link_list);
+
+	return 0;
+}
+
+struct link *
+link_find(const char *name)
+{
+	struct link *link;
+
+	if (name == NULL)
+		return NULL;
+
+	TAILQ_FOREACH(link, &link_list, node)
+		if (strcmp(link->name, name) == 0)
+			return link;
+
+	return NULL;
+}
+
+static struct rte_eth_conf port_conf_default = {
+	.link_speeds = 0,
+	.rxmode = {
+		.mq_mode = ETH_MQ_RX_NONE,
+
+		.header_split   = 0, /* Header split */
+		.hw_ip_checksum = 0, /* IP checksum offload */
+		.hw_vlan_filter = 0, /* VLAN filtering */
+		.hw_vlan_strip  = 0, /* VLAN strip */
+		.hw_vlan_extend = 0, /* Extended VLAN */
+		.jumbo_frame    = 0, /* Jumbo frame support */
+		.hw_strip_crc   = 1, /* CRC strip by HW */
+		.enable_scatter = 0, /* Scattered packets RX handler */
+
+		.max_rx_pkt_len = 9000, /* Jumbo frame max packet len */
+		.split_hdr_size = 0, /* Header split buffer size */
+	},
+	.rx_adv_conf = {
+		.rss_conf = {
+			.rss_key = NULL,
+			.rss_key_len = 40,
+			.rss_hf = 0,
+		},
+	},
+	.txmode = {
+		.mq_mode = ETH_MQ_TX_NONE,
+	},
+	.lpbk_mode = 0,
+};
+
+#define RETA_CONF_SIZE     (ETH_RSS_RETA_SIZE_512 / RTE_RETA_GROUP_SIZE)
+
+static int
+rss_setup(uint16_t port_id,
+	uint16_t reta_size,
+	struct link_params_rss *rss)
+{
+	struct rte_eth_rss_reta_entry64 reta_conf[RETA_CONF_SIZE];
+	uint32_t i;
+	int status;
+
+	/* RETA setting */
+	memset(reta_conf, 0, sizeof(reta_conf));
+
+	for (i = 0; i < reta_size; i++)
+		reta_conf[i / RTE_RETA_GROUP_SIZE].mask = UINT64_MAX;
+
+	for (i = 0; i < reta_size; i++) {
+		uint32_t reta_id = i / RTE_RETA_GROUP_SIZE;
+		uint32_t reta_pos = i % RTE_RETA_GROUP_SIZE;
+		uint32_t rss_qs_pos = i % rss->n_queues;
+
+		reta_conf[reta_id].reta[reta_pos] =
+			(uint16_t) rss->queue_id[rss_qs_pos];
+	}
+
+	/* RETA update */
+	status = rte_eth_dev_rss_reta_update(port_id,
+		reta_conf,
+		reta_size);
+
+	return status;
+}
+
+struct link *
+link_create(const char *name, struct link_params *params)
+{
+	struct rte_eth_dev_info port_info;
+	struct rte_eth_conf port_conf;
+	struct link *link;
+	struct link_params_rss *rss;
+	struct mempool *mempool;
+	uint32_t cpu_id, i;
+	int status;
+	uint16_t port_id;
+
+	/* Check input params */
+	if ((name == NULL) ||
+		link_find(name) ||
+		(params == NULL) ||
+		(params->rx.n_queues == 0) ||
+		(params->rx.queue_size == 0) ||
+		(params->tx.n_queues == 0) ||
+		(params->tx.queue_size == 0))
+		return NULL;
+
+	port_id = params->port_id;
+	if (params->dev_name) {
+		status = rte_eth_dev_get_port_by_name(params->dev_name,
+			&port_id);
+
+		if (status)
+			return NULL;
+	} else
+		if (!rte_eth_dev_is_valid_port(port_id))
+			return NULL;
+
+	rte_eth_dev_info_get(port_id, &port_info);
+
+	mempool = mempool_find(params->rx.mempool_name);
+	if (mempool == NULL)
+		return NULL;
+
+	rss = params->rx.rss;
+	if (rss) {
+		if ((port_info.reta_size == 0) ||
+			(port_info.reta_size > ETH_RSS_RETA_SIZE_512))
+			return NULL;
+
+		if ((rss->n_queues == 0) ||
+			(rss->n_queues >= LINK_RXQ_RSS_MAX))
+			return NULL;
+
+		for (i = 0; i < rss->n_queues; i++)
+			if (rss->queue_id[i] >= port_info.max_rx_queues)
+				return NULL;
+	}
+
+	/**
+	 * Resource create
+	 */
+	/* Port */
+	memcpy(&port_conf, &port_conf_default, sizeof(port_conf));
+	if (rss) {
+		port_conf.rxmode.mq_mode = ETH_MQ_RX_RSS;
+		port_conf.rx_adv_conf.rss_conf.rss_hf =
+			ETH_RSS_IPV4 | ETH_RSS_IPV6;
+	}
+
+	cpu_id = (uint32_t) rte_eth_dev_socket_id(port_id);
+	if (cpu_id == (uint32_t) SOCKET_ID_ANY)
+		cpu_id = 0;
+
+	status = rte_eth_dev_configure(
+		port_id,
+		params->rx.n_queues,
+		params->tx.n_queues,
+		&port_conf);
+
+	if (status < 0)
+		return NULL;
+
+	if (params->promiscuous)
+		rte_eth_promiscuous_enable(port_id);
+
+	/* Port RX */
+	for (i = 0; i < params->rx.n_queues; i++) {
+		status = rte_eth_rx_queue_setup(
+			port_id,
+			i,
+			params->rx.queue_size,
+			cpu_id,
+			NULL,
+			mempool->m);
+
+		if (status < 0)
+			return NULL;
+	}
+
+	/* Port TX */
+	for (i = 0; i < params->tx.n_queues; i++) {
+		status = rte_eth_tx_queue_setup(
+			port_id,
+			i,
+			params->tx.queue_size,
+			cpu_id,
+			NULL);
+
+		if (status < 0)
+			return NULL;
+	}
+
+	/* Port start */
+	status = rte_eth_dev_start(port_id);
+	if (status < 0)
+		return NULL;
+
+	if (rss) {
+		status = rss_setup(port_id, port_info.reta_size, rss);
+
+		if (status) {
+			rte_eth_dev_stop(port_id);
+			return NULL;
+		}
+	}
+
+	/* Port link up */
+	status = rte_eth_dev_set_link_up(port_id);
+	if ((status < 0) && (status != -ENOTSUP)) {
+		rte_eth_dev_stop(port_id);
+		return NULL;
+	}
+
+	/* Node allocation */
+	link = calloc(1, sizeof(struct link));
+	if (link == NULL) {
+		rte_eth_dev_stop(port_id);
+		return NULL;
+	}
+
+	/* Node fill in */
+	strlcpy(link->name, name, sizeof(link->name));
+	link->port_id = port_id;
+	link->n_rxq = params->rx.n_queues;
+	link->n_txq = params->tx.n_queues;
+
+	/* Node add to list */
+	TAILQ_INSERT_TAIL(&link_list, link, node);
+
+	return link;
+}
+
+int
+link_is_up(const char *name)
+{
+	struct rte_eth_link link_params;
+	struct link *link;
+
+	/* Check input params */
+	if (name == NULL)
+		return 0;
+
+	link = link_find(name);
+	if (link == NULL)
+		return 0;
+
+	/* Resource */
+	rte_eth_link_get(link->port_id, &link_params);
+
+	return (link_params.link_status == ETH_LINK_DOWN) ? 0 : 1;
+}