Imported Upstream version 16.07-rc1

Change-Id: If3f757dc95532706b04053286c6b54492169f1a3
Signed-off-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>

1 files changed, 264 insertions, 38 deletions

diff --git a/examples/ip_pipeline/init.c b/examples/ip_pipeline/init.c
index 83422e88..cd167f61 100644
--- a/examples/ip_pipeline/init.c
+++ b/examples/ip_pipeline/init.c
@@ -55,6 +55,8 @@
 
 #define APP_NAME_SIZE	32
 
+#define APP_RETA_SIZE_MAX     (ETH_RSS_RETA_SIZE_512 / RTE_RETA_GROUP_SIZE)
+
 static void
 app_init_core_map(struct app_params *app)
 {
@@ -902,6 +904,67 @@ app_get_cpu_socket_id(uint32_t pmd_id)
 	return (status != SOCKET_ID_ANY) ? status : 0;
 }
 
+static inline int
+app_link_rss_enabled(struct app_link_params *cp)
+{
+	return (cp->n_rss_qs) ? 1 : 0;
+}
+
+static void
+app_link_rss_setup(struct app_link_params *cp)
+{
+	struct rte_eth_dev_info dev_info;
+	struct rte_eth_rss_reta_entry64 reta_conf[APP_RETA_SIZE_MAX];
+	uint32_t i;
+	int status;
+
+    /* Get RETA size */
+	memset(&dev_info, 0, sizeof(dev_info));
+	rte_eth_dev_info_get(cp->pmd_id, &dev_info);
+
+	if (dev_info.reta_size == 0)
+		rte_panic("%s (%u): RSS setup error (null RETA size)\n",
+			cp->name, cp->pmd_id);
+
+	if (dev_info.reta_size > ETH_RSS_RETA_SIZE_512)
+		rte_panic("%s (%u): RSS setup error (RETA size too big)\n",
+			cp->name, cp->pmd_id);
+
+	/* Setup RETA contents */
+	memset(reta_conf, 0, sizeof(reta_conf));
+
+	for (i = 0; i < dev_info.reta_size; i++)
+		reta_conf[i / RTE_RETA_GROUP_SIZE].mask = UINT64_MAX;
+
+	for (i = 0; i < dev_info.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 % cp->n_rss_qs;
+
+		reta_conf[reta_id].reta[reta_pos] =
+			(uint16_t) cp->rss_qs[rss_qs_pos];
+	}
+
+	/* RETA update */
+	status = rte_eth_dev_rss_reta_update(cp->pmd_id,
+		reta_conf,
+		dev_info.reta_size);
+	if (status != 0)
+		rte_panic("%s (%u): RSS setup error (RETA update failed)\n",
+			cp->name, cp->pmd_id);
+}
+
+static void
+app_init_link_set_config(struct app_link_params *p)
+{
+	if (p->n_rss_qs) {
+		p->conf.rxmode.mq_mode = ETH_MQ_RX_RSS;
+		p->conf.rx_adv_conf.rss_conf.rss_hf = p->rss_proto_ipv4 |
+			p->rss_proto_ipv6 |
+			p->rss_proto_l2;
+	}
+}
+
 static void
 app_init_link(struct app_params *app)
 {
@@ -917,6 +980,7 @@ app_init_link(struct app_params *app)
 		sscanf(p_link->name, "LINK%" PRIu32, &link_id);
 		n_hwq_in = app_link_get_n_rxq(app, p_link);
 		n_hwq_out = app_link_get_n_txq(app, p_link);
+		app_init_link_set_config(p_link);
 
 		APP_LOG(app, HIGH, "Initializing %s (%" PRIu32") "
 			"(%" PRIu32 " RXQ, %" PRIu32 " TXQ) ...",
@@ -1001,9 +1065,13 @@ app_init_link(struct app_params *app)
 			rte_panic("Cannot start %s (error %" PRId32 ")\n",
 				p_link->name, status);
 
-		/* LINK UP */
+		/* LINK FILTERS */
 		app_link_set_arp_filter(app, p_link);
 		app_link_set_tcp_syn_filter(app, p_link);
+		if (app_link_rss_enabled(p_link))
+			app_link_rss_setup(p_link);
+
+		/* LINK UP */
 		app_link_up_internal(app, p_link);
 	}
 
@@ -1108,6 +1176,111 @@ app_init_tm(struct app_params *app)
 	}
 }
 
+#ifdef RTE_LIBRTE_KNI
+static int
+kni_config_network_interface(uint8_t port_id, uint8_t if_up) {
+	int ret = 0;
+
+	if (port_id >= rte_eth_dev_count())
+		return -EINVAL;
+
+	ret = (if_up) ?
+		rte_eth_dev_set_link_up(port_id) :
+		rte_eth_dev_set_link_down(port_id);
+
+	return ret;
+}
+
+static int
+kni_change_mtu(uint8_t port_id, unsigned new_mtu) {
+	int ret;
+
+	if (port_id >= rte_eth_dev_count())
+		return -EINVAL;
+
+	if (new_mtu > ETHER_MAX_LEN)
+		return -EINVAL;
+
+	/* Set new MTU */
+	ret = rte_eth_dev_set_mtu(port_id, new_mtu);
+	if (ret < 0)
+		return ret;
+
+	return 0;
+}
+#endif /* RTE_LIBRTE_KNI */
+
+#ifndef RTE_LIBRTE_KNI
+static void
+app_init_kni(struct app_params *app) {
+	if (app->n_pktq_kni == 0)
+		return;
+
+	rte_panic("Can not init KNI without librte_kni support.\n");
+}
+#else
+static void
+app_init_kni(struct app_params *app) {
+	uint32_t i;
+
+	if (app->n_pktq_kni == 0)
+		return;
+
+	rte_kni_init(app->n_pktq_kni);
+
+	for (i = 0; i < app->n_pktq_kni; i++) {
+		struct app_pktq_kni_params *p_kni = &app->kni_params[i];
+		struct app_link_params *p_link;
+		struct rte_eth_dev_info dev_info;
+		struct app_mempool_params *mempool_params;
+		struct rte_mempool *mempool;
+		struct rte_kni_conf conf;
+		struct rte_kni_ops ops;
+
+		/* LINK */
+		p_link = app_get_link_for_kni(app, p_kni);
+		memset(&dev_info, 0, sizeof(dev_info));
+		rte_eth_dev_info_get(p_link->pmd_id, &dev_info);
+
+		/* MEMPOOL */
+		mempool_params = &app->mempool_params[p_kni->mempool_id];
+		mempool = app->mempool[p_kni->mempool_id];
+
+		/* KNI */
+		memset(&conf, 0, sizeof(conf));
+		snprintf(conf.name, RTE_KNI_NAMESIZE, "%s", p_kni->name);
+		conf.force_bind = p_kni->force_bind;
+		if (conf.force_bind) {
+			int lcore_id;
+
+			lcore_id = cpu_core_map_get_lcore_id(app->core_map,
+				p_kni->socket_id,
+				p_kni->core_id,
+				p_kni->hyper_th_id);
+
+			if (lcore_id < 0)
+				rte_panic("%s invalid CPU core\n", p_kni->name);
+
+			conf.core_id = (uint32_t) lcore_id;
+		}
+		conf.group_id = p_link->pmd_id;
+		conf.mbuf_size = mempool_params->buffer_size;
+		conf.addr = dev_info.pci_dev->addr;
+		conf.id = dev_info.pci_dev->id;
+
+		memset(&ops, 0, sizeof(ops));
+		ops.port_id = (uint8_t) p_link->pmd_id;
+		ops.change_mtu = kni_change_mtu;
+		ops.config_network_if = kni_config_network_interface;
+
+		APP_LOG(app, HIGH, "Initializing %s ...", p_kni->name);
+		app->kni[i] = rte_kni_alloc(mempool, &conf, &ops);
+		if (!app->kni[i])
+			rte_panic("%s init error\n", p_kni->name);
+	}
+}
+#endif /* RTE_LIBRTE_KNI */
+
 static void
 app_init_msgq(struct app_params *app)
 {
@@ -1128,15 +1301,16 @@ app_init_msgq(struct app_params *app)
 	}
 }
 
-static void app_pipeline_params_get(struct app_params *app,
+void app_pipeline_params_get(struct app_params *app,
 	struct app_pipeline_params *p_in,
 	struct pipeline_params *p_out)
 {
 	uint32_t i;
-	uint32_t mempool_id;
 
 	snprintf(p_out->name, PIPELINE_NAME_SIZE, "%s", p_in->name);
 
+	snprintf(p_out->type, PIPELINE_TYPE_SIZE, "%s", p_in->type);
+
 	p_out->socket_id = (int) p_in->socket_id;
 
 	p_out->log_level = app->log_level;
@@ -1212,34 +1386,35 @@ static void app_pipeline_params_get(struct app_params *app,
 			break;
 		}
 		case APP_PKTQ_IN_TM:
+		{
 			out->type = PIPELINE_PORT_IN_SCHED_READER;
 			out->params.sched.sched = app->tm[in->id];
 			out->burst_size = app->tm_params[in->id].burst_read;
 			break;
+		}
+#ifdef RTE_LIBRTE_KNI
+		case APP_PKTQ_IN_KNI:
+		{
+			out->type = PIPELINE_PORT_IN_KNI_READER;
+			out->params.kni.kni = app->kni[in->id];
+			out->burst_size = app->kni_params[in->id].burst_read;
+			break;
+		}
+#endif /* RTE_LIBRTE_KNI */
 		case APP_PKTQ_IN_SOURCE:
-			mempool_id = app->source_params[in->id].mempool_id;
+		{
+			uint32_t mempool_id =
+				app->source_params[in->id].mempool_id;
+
 			out->type = PIPELINE_PORT_IN_SOURCE;
 			out->params.source.mempool = app->mempool[mempool_id];
 			out->burst_size = app->source_params[in->id].burst;
-
-#ifdef RTE_NEXT_ABI
-			if (app->source_params[in->id].file_name
-				!= NULL) {
-				out->params.source.file_name = strdup(
-					app->source_params[in->id].
-					file_name);
-				if (out->params.source.file_name == NULL) {
-					out->params.source.
-						n_bytes_per_pkt = 0;
-					break;
-				}
-				out->params.source.n_bytes_per_pkt =
-					app->source_params[in->id].
-					n_bytes_per_pkt;
-			}
-#endif
-
+			out->params.source.file_name =
+				app->source_params[in->id].file_name;
+			out->params.source.n_bytes_per_pkt =
+				app->source_params[in->id].n_bytes_per_pkt;
 			break;
+		}
 		default:
 			break;
 		}
@@ -1350,7 +1525,8 @@ static void app_pipeline_params_get(struct app_params *app,
 			}
 			break;
 		}
-		case APP_PKTQ_OUT_TM: {
+		case APP_PKTQ_OUT_TM:
+		{
 			struct rte_port_sched_writer_params *params =
 				&out->params.sched;
 
@@ -1360,24 +1536,45 @@ static void app_pipeline_params_get(struct app_params *app,
 				app->tm_params[in->id].burst_write;
 			break;
 		}
-		case APP_PKTQ_OUT_SINK:
-			out->type = PIPELINE_PORT_OUT_SINK;
-			if (app->sink_params[in->id].file_name != NULL) {
-				out->params.sink.file_name = strdup(
-					app->sink_params[in->id].
-					file_name);
-				if (out->params.sink.file_name == NULL) {
-					out->params.sink.max_n_pkts = 0;
-					break;
-				}
-				out->params.sink.max_n_pkts =
-					app->sink_params[in->id].
-					n_pkts_to_dump;
+#ifdef RTE_LIBRTE_KNI
+		case APP_PKTQ_OUT_KNI:
+		{
+			struct app_pktq_kni_params *p_kni =
+				&app->kni_params[in->id];
+
+			if (p_kni->dropless == 0) {
+				struct rte_port_kni_writer_params *params =
+					&out->params.kni;
+
+				out->type = PIPELINE_PORT_OUT_KNI_WRITER;
+				params->kni = app->kni[in->id];
+				params->tx_burst_sz =
+					app->kni_params[in->id].burst_write;
 			} else {
-				out->params.sink.file_name = NULL;
-				out->params.sink.max_n_pkts = 0;
+				struct rte_port_kni_writer_nodrop_params
+					*params = &out->params.kni_nodrop;
+
+				out->type = PIPELINE_PORT_OUT_KNI_WRITER_NODROP;
+				params->kni = app->kni[in->id];
+				params->tx_burst_sz =
+					app->kni_params[in->id].burst_write;
+				params->n_retries =
+					app->kni_params[in->id].n_retries;
 			}
 			break;
+		}
+#endif /* RTE_LIBRTE_KNI */
+		case APP_PKTQ_OUT_SINK:
+		{
+			out->type = PIPELINE_PORT_OUT_SINK;
+			out->params.sink.file_name =
+				app->sink_params[in->id].file_name;
+			out->params.sink.max_n_pkts =
+				app->sink_params[in->id].
+				n_pkts_to_dump;
+
+			break;
+		}
 		default:
 			break;
 		}
@@ -1449,6 +1646,27 @@ app_init_pipelines(struct app_params *app)
 }
 
 static void
+app_post_init_pipelines(struct app_params *app)
+{
+	uint32_t p_id;
+
+	for (p_id = 0; p_id < app->n_pipelines; p_id++) {
+		struct app_pipeline_params *params =
+			&app->pipeline_params[p_id];
+		struct app_pipeline_data *data = &app->pipeline_data[p_id];
+		int status;
+
+		if (data->ptype->fe_ops->f_post_init == NULL)
+			continue;
+
+		status = data->ptype->fe_ops->f_post_init(data->fe);
+		if (status)
+			rte_panic("Pipeline instance \"%s\" front-end "
+				"post-init error\n", params->name);
+	}
+}
+
+static void
 app_init_threads(struct app_params *app)
 {
 	uint64_t time = rte_get_tsc_cycles();
@@ -1534,6 +1752,7 @@ int app_init(struct app_params *app)
 	app_init_link(app);
 	app_init_swq(app);
 	app_init_tm(app);
+	app_init_kni(app);
 	app_init_msgq(app);
 
 	app_pipeline_common_cmd_push(app);
@@ -1551,6 +1770,13 @@ int app_init(struct app_params *app)
 	return 0;
 }
 
+int app_post_init(struct app_params *app)
+{
+	app_post_init_pipelines(app);
+
+	return 0;
+}
+
 static int
 app_pipeline_type_cmd_push(struct app_params *app,
 	struct pipeline_type *ptype)