Imported Upstream version 16.04

Change-Id: I77eadcd8538a9122e4773cbe55b24033dc451757
Signed-off-by: C.J. Collier <cjcollier@linuxfoundation.org>

1 files changed, 554 insertions, 0 deletions

diff --git a/drivers/net/bnx2x/bnx2x_ethdev.c b/drivers/net/bnx2x/bnx2x_ethdev.c
new file mode 100644
index 00000000..071b44fe
--- /dev/null
+++ b/drivers/net/bnx2x/bnx2x_ethdev.c
@@ -0,0 +1,554 @@
+/*
+ * Copyright (c) 2013-2015 Brocade Communications Systems, Inc.
+ *
+ * Copyright (c) 2015 QLogic Corporation.
+ * All rights reserved.
+ * www.qlogic.com
+ *
+ * See LICENSE.bnx2x_pmd for copyright and licensing details.
+ */
+
+#include "bnx2x.h"
+#include "bnx2x_rxtx.h"
+
+#include <rte_dev.h>
+
+/*
+ * The set of PCI devices this driver supports
+ */
+static struct rte_pci_id pci_id_bnx2x_map[] = {
+#define RTE_PCI_DEV_ID_DECL_BNX2X(vend, dev) {RTE_PCI_DEVICE(vend, dev)},
+#include "rte_pci_dev_ids.h"
+	{ .vendor_id = 0, }
+};
+
+static struct rte_pci_id pci_id_bnx2xvf_map[] = {
+#define RTE_PCI_DEV_ID_DECL_BNX2XVF(vend, dev) {RTE_PCI_DEVICE(vend, dev)},
+#include "rte_pci_dev_ids.h"
+	{ .vendor_id = 0, }
+};
+
+static void
+bnx2x_link_update(struct rte_eth_dev *dev)
+{
+	struct bnx2x_softc *sc = dev->data->dev_private;
+
+	PMD_INIT_FUNC_TRACE();
+	bnx2x_link_status_update(sc);
+	mb();
+	dev->data->dev_link.link_speed = sc->link_vars.line_speed;
+	switch (sc->link_vars.duplex) {
+		case DUPLEX_FULL:
+			dev->data->dev_link.link_duplex = ETH_LINK_FULL_DUPLEX;
+			break;
+		case DUPLEX_HALF:
+			dev->data->dev_link.link_duplex = ETH_LINK_HALF_DUPLEX;
+			break;
+	}
+	dev->data->dev_link.link_autoneg = !(dev->data->dev_conf.link_speeds &
+			ETH_LINK_SPEED_FIXED);
+	dev->data->dev_link.link_status = sc->link_vars.link_up;
+}
+
+static void
+bnx2x_interrupt_action(struct rte_eth_dev *dev)
+{
+	struct bnx2x_softc *sc = dev->data->dev_private;
+	uint32_t link_status;
+
+	PMD_DEBUG_PERIODIC_LOG(INFO, "Interrupt handled");
+
+	if (bnx2x_intr_legacy(sc, 0))
+		DELAY_MS(250);
+	if (sc->periodic_flags & PERIODIC_GO)
+		bnx2x_periodic_callout(sc);
+	link_status = REG_RD(sc, sc->link_params.shmem_base +
+			offsetof(struct shmem_region,
+				port_mb[sc->link_params.port].link_status));
+	if ((link_status & LINK_STATUS_LINK_UP) != dev->data->dev_link.link_status)
+		bnx2x_link_update(dev);
+}
+
+static __rte_unused void
+bnx2x_interrupt_handler(__rte_unused struct rte_intr_handle *handle, void *param)
+{
+	struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
+
+	bnx2x_interrupt_action(dev);
+	rte_intr_enable(&(dev->pci_dev->intr_handle));
+}
+
+/*
+ * Devops - helper functions can be called from user application
+ */
+
+static int
+bnx2x_dev_configure(struct rte_eth_dev *dev)
+{
+	struct bnx2x_softc *sc = dev->data->dev_private;
+	int mp_ncpus = sysconf(_SC_NPROCESSORS_CONF);
+
+	PMD_INIT_FUNC_TRACE();
+
+	if (dev->data->dev_conf.rxmode.jumbo_frame)
+		sc->mtu = dev->data->dev_conf.rxmode.max_rx_pkt_len;
+
+	if (dev->data->nb_tx_queues > dev->data->nb_rx_queues) {
+		PMD_DRV_LOG(ERR, "The number of TX queues is greater than number of RX queues");
+		return -EINVAL;
+	}
+
+	sc->num_queues = MAX(dev->data->nb_rx_queues, dev->data->nb_tx_queues);
+	if (sc->num_queues > mp_ncpus) {
+		PMD_DRV_LOG(ERR, "The number of queues is more than number of CPUs");
+		return -EINVAL;
+	}
+
+	PMD_DRV_LOG(DEBUG, "num_queues=%d, mtu=%d",
+		       sc->num_queues, sc->mtu);
+
+	/* allocate ilt */
+	if (bnx2x_alloc_ilt_mem(sc) != 0) {
+		PMD_DRV_LOG(ERR, "bnx2x_alloc_ilt_mem was failed");
+		return -ENXIO;
+	}
+
+	/* allocate the host hardware/software hsi structures */
+	if (bnx2x_alloc_hsi_mem(sc) != 0) {
+		PMD_DRV_LOG(ERR, "bnx2x_alloc_hsi_mem was failed");
+		bnx2x_free_ilt_mem(sc);
+		return -ENXIO;
+	}
+
+	return 0;
+}
+
+static int
+bnx2x_dev_start(struct rte_eth_dev *dev)
+{
+	struct bnx2x_softc *sc = dev->data->dev_private;
+	int ret = 0;
+
+	PMD_INIT_FUNC_TRACE();
+
+	ret = bnx2x_init(sc);
+	if (ret) {
+		PMD_DRV_LOG(DEBUG, "bnx2x_init failed (%d)", ret);
+		return -1;
+	}
+
+	if (IS_PF(sc)) {
+		rte_intr_callback_register(&(dev->pci_dev->intr_handle),
+				bnx2x_interrupt_handler, (void *)dev);
+
+		if(rte_intr_enable(&(dev->pci_dev->intr_handle)))
+			PMD_DRV_LOG(ERR, "rte_intr_enable failed");
+	}
+
+	ret = bnx2x_dev_rx_init(dev);
+	if (ret != 0) {
+		PMD_DRV_LOG(DEBUG, "bnx2x_dev_rx_init returned error code");
+		return -3;
+	}
+
+	/* Print important adapter info for the user. */
+	bnx2x_print_adapter_info(sc);
+
+	DELAY_MS(2500);
+
+	return ret;
+}
+
+static void
+bnx2x_dev_stop(struct rte_eth_dev *dev)
+{
+	struct bnx2x_softc *sc = dev->data->dev_private;
+	int ret = 0;
+
+	PMD_INIT_FUNC_TRACE();
+
+	if (IS_PF(sc)) {
+		rte_intr_disable(&(dev->pci_dev->intr_handle));
+		rte_intr_callback_unregister(&(dev->pci_dev->intr_handle),
+				bnx2x_interrupt_handler, (void *)dev);
+	}
+
+	ret = bnx2x_nic_unload(sc, UNLOAD_NORMAL, FALSE);
+	if (ret) {
+		PMD_DRV_LOG(DEBUG, "bnx2x_nic_unload failed (%d)", ret);
+		return;
+	}
+
+	return;
+}
+
+static void
+bnx2x_dev_close(struct rte_eth_dev *dev)
+{
+	struct bnx2x_softc *sc = dev->data->dev_private;
+
+	PMD_INIT_FUNC_TRACE();
+
+	if (IS_VF(sc))
+		bnx2x_vf_close(sc);
+
+	bnx2x_dev_clear_queues(dev);
+	memset(&(dev->data->dev_link), 0 , sizeof(struct rte_eth_link));
+
+	/* free the host hardware/software hsi structures */
+	bnx2x_free_hsi_mem(sc);
+
+	/* free ilt */
+	bnx2x_free_ilt_mem(sc);
+}
+
+static void
+bnx2x_promisc_enable(struct rte_eth_dev *dev)
+{
+	struct bnx2x_softc *sc = dev->data->dev_private;
+
+	PMD_INIT_FUNC_TRACE();
+	sc->rx_mode = BNX2X_RX_MODE_PROMISC;
+	bnx2x_set_rx_mode(sc);
+}
+
+static void
+bnx2x_promisc_disable(struct rte_eth_dev *dev)
+{
+	struct bnx2x_softc *sc = dev->data->dev_private;
+
+	PMD_INIT_FUNC_TRACE();
+	sc->rx_mode = BNX2X_RX_MODE_NORMAL;
+	bnx2x_set_rx_mode(sc);
+}
+
+static void
+bnx2x_dev_allmulticast_enable(struct rte_eth_dev *dev)
+{
+	struct bnx2x_softc *sc = dev->data->dev_private;
+
+	PMD_INIT_FUNC_TRACE();
+	sc->rx_mode = BNX2X_RX_MODE_ALLMULTI;
+	bnx2x_set_rx_mode(sc);
+}
+
+static void
+bnx2x_dev_allmulticast_disable(struct rte_eth_dev *dev)
+{
+	struct bnx2x_softc *sc = dev->data->dev_private;
+
+	PMD_INIT_FUNC_TRACE();
+	sc->rx_mode = BNX2X_RX_MODE_NORMAL;
+	bnx2x_set_rx_mode(sc);
+}
+
+static int
+bnx2x_dev_link_update(struct rte_eth_dev *dev, __rte_unused int wait_to_complete)
+{
+	PMD_INIT_FUNC_TRACE();
+
+	int old_link_status = dev->data->dev_link.link_status;
+
+	bnx2x_link_update(dev);
+
+	return old_link_status == dev->data->dev_link.link_status ? -1 : 0;
+}
+
+static int
+bnx2xvf_dev_link_update(struct rte_eth_dev *dev, __rte_unused int wait_to_complete)
+{
+	int old_link_status = dev->data->dev_link.link_status;
+	struct bnx2x_softc *sc = dev->data->dev_private;
+
+	bnx2x_link_update(dev);
+
+	bnx2x_check_bull(sc);
+	if (sc->old_bulletin.valid_bitmap & (1 << CHANNEL_DOWN)) {
+		PMD_DRV_LOG(ERR, "PF indicated channel is down."
+				"VF device is no longer operational");
+		dev->data->dev_link.link_status = ETH_LINK_DOWN;
+	}
+
+	return old_link_status == dev->data->dev_link.link_status ? -1 : 0;
+}
+
+static void
+bnx2x_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
+{
+	struct bnx2x_softc *sc = dev->data->dev_private;
+
+	PMD_INIT_FUNC_TRACE();
+
+	bnx2x_stats_handle(sc, STATS_EVENT_UPDATE);
+
+	memset(stats, 0, sizeof (struct rte_eth_stats));
+
+	stats->ipackets =
+		HILO_U64(sc->eth_stats.total_unicast_packets_received_hi,
+				sc->eth_stats.total_unicast_packets_received_lo) +
+		HILO_U64(sc->eth_stats.total_multicast_packets_received_hi,
+				sc->eth_stats.total_multicast_packets_received_lo) +
+		HILO_U64(sc->eth_stats.total_broadcast_packets_received_hi,
+				sc->eth_stats.total_broadcast_packets_received_lo);
+
+	stats->opackets =
+		HILO_U64(sc->eth_stats.total_unicast_packets_transmitted_hi,
+				sc->eth_stats.total_unicast_packets_transmitted_lo) +
+		HILO_U64(sc->eth_stats.total_multicast_packets_transmitted_hi,
+				sc->eth_stats.total_multicast_packets_transmitted_lo) +
+		HILO_U64(sc->eth_stats.total_broadcast_packets_transmitted_hi,
+				sc->eth_stats.total_broadcast_packets_transmitted_lo);
+
+	stats->ibytes =
+		HILO_U64(sc->eth_stats.total_bytes_received_hi,
+				sc->eth_stats.total_bytes_received_lo);
+
+	stats->obytes =
+		HILO_U64(sc->eth_stats.total_bytes_transmitted_hi,
+				sc->eth_stats.total_bytes_transmitted_lo);
+
+	stats->ierrors =
+		HILO_U64(sc->eth_stats.error_bytes_received_hi,
+				sc->eth_stats.error_bytes_received_lo);
+
+	stats->oerrors = 0;
+
+	stats->rx_nombuf =
+		HILO_U64(sc->eth_stats.no_buff_discard_hi,
+				sc->eth_stats.no_buff_discard_lo);
+}
+
+static void
+bnx2x_dev_infos_get(struct rte_eth_dev *dev, __rte_unused struct rte_eth_dev_info *dev_info)
+{
+	struct bnx2x_softc *sc = dev->data->dev_private;
+	dev_info->max_rx_queues  = sc->max_rx_queues;
+	dev_info->max_tx_queues  = sc->max_tx_queues;
+	dev_info->min_rx_bufsize = BNX2X_MIN_RX_BUF_SIZE;
+	dev_info->max_rx_pktlen  = BNX2X_MAX_RX_PKT_LEN;
+	dev_info->max_mac_addrs  = BNX2X_MAX_MAC_ADDRS;
+	dev_info->speed_capa = ETH_LINK_SPEED_10G | ETH_LINK_SPEED_20G;
+}
+
+static void
+bnx2x_mac_addr_add(struct rte_eth_dev *dev, struct ether_addr *mac_addr,
+		uint32_t index, uint32_t pool)
+{
+	struct bnx2x_softc *sc = dev->data->dev_private;
+
+	if (sc->mac_ops.mac_addr_add)
+		sc->mac_ops.mac_addr_add(dev, mac_addr, index, pool);
+}
+
+static void
+bnx2x_mac_addr_remove(struct rte_eth_dev *dev, uint32_t index)
+{
+	struct bnx2x_softc *sc = dev->data->dev_private;
+
+	if (sc->mac_ops.mac_addr_remove)
+		sc->mac_ops.mac_addr_remove(dev, index);
+}
+
+static const struct eth_dev_ops bnx2x_eth_dev_ops = {
+	.dev_configure                = bnx2x_dev_configure,
+	.dev_start                    = bnx2x_dev_start,
+	.dev_stop                     = bnx2x_dev_stop,
+	.dev_close                    = bnx2x_dev_close,
+	.promiscuous_enable           = bnx2x_promisc_enable,
+	.promiscuous_disable          = bnx2x_promisc_disable,
+	.allmulticast_enable          = bnx2x_dev_allmulticast_enable,
+	.allmulticast_disable         = bnx2x_dev_allmulticast_disable,
+	.link_update                  = bnx2x_dev_link_update,
+	.stats_get                    = bnx2x_dev_stats_get,
+	.dev_infos_get                = bnx2x_dev_infos_get,
+	.rx_queue_setup               = bnx2x_dev_rx_queue_setup,
+	.rx_queue_release             = bnx2x_dev_rx_queue_release,
+	.tx_queue_setup               = bnx2x_dev_tx_queue_setup,
+	.tx_queue_release             = bnx2x_dev_tx_queue_release,
+	.mac_addr_add                 = bnx2x_mac_addr_add,
+	.mac_addr_remove              = bnx2x_mac_addr_remove,
+};
+
+/*
+ * dev_ops for virtual function
+ */
+static const struct eth_dev_ops bnx2xvf_eth_dev_ops = {
+	.dev_configure                = bnx2x_dev_configure,
+	.dev_start                    = bnx2x_dev_start,
+	.dev_stop                     = bnx2x_dev_stop,
+	.dev_close                    = bnx2x_dev_close,
+	.promiscuous_enable           = bnx2x_promisc_enable,
+	.promiscuous_disable          = bnx2x_promisc_disable,
+	.allmulticast_enable          = bnx2x_dev_allmulticast_enable,
+	.allmulticast_disable         = bnx2x_dev_allmulticast_disable,
+	.link_update                  = bnx2xvf_dev_link_update,
+	.stats_get                    = bnx2x_dev_stats_get,
+	.dev_infos_get                = bnx2x_dev_infos_get,
+	.rx_queue_setup               = bnx2x_dev_rx_queue_setup,
+	.rx_queue_release             = bnx2x_dev_rx_queue_release,
+	.tx_queue_setup               = bnx2x_dev_tx_queue_setup,
+	.tx_queue_release             = bnx2x_dev_tx_queue_release,
+	.mac_addr_add                 = bnx2x_mac_addr_add,
+	.mac_addr_remove              = bnx2x_mac_addr_remove,
+};
+
+
+static int
+bnx2x_common_dev_init(struct rte_eth_dev *eth_dev, int is_vf)
+{
+	int ret = 0;
+	struct rte_pci_device *pci_dev;
+	struct bnx2x_softc *sc;
+
+	PMD_INIT_FUNC_TRACE();
+
+	eth_dev->dev_ops = is_vf ? &bnx2xvf_eth_dev_ops : &bnx2x_eth_dev_ops;
+	pci_dev = eth_dev->pci_dev;
+
+	rte_eth_copy_pci_info(eth_dev, pci_dev);
+
+	sc = eth_dev->data->dev_private;
+	sc->pcie_bus    = pci_dev->addr.bus;
+	sc->pcie_device = pci_dev->addr.devid;
+
+	if (is_vf)
+		sc->flags = BNX2X_IS_VF_FLAG;
+
+	sc->devinfo.vendor_id    = pci_dev->id.vendor_id;
+	sc->devinfo.device_id    = pci_dev->id.device_id;
+	sc->devinfo.subvendor_id = pci_dev->id.subsystem_vendor_id;
+	sc->devinfo.subdevice_id = pci_dev->id.subsystem_device_id;
+
+	sc->pcie_func = pci_dev->addr.function;
+	sc->bar[BAR0].base_addr = (void *)pci_dev->mem_resource[0].addr;
+	if (is_vf)
+		sc->bar[BAR1].base_addr = (void *)
+			((uintptr_t)pci_dev->mem_resource[0].addr + PXP_VF_ADDR_DB_START);
+	else
+		sc->bar[BAR1].base_addr = pci_dev->mem_resource[2].addr;
+
+	assert(sc->bar[BAR0].base_addr);
+	assert(sc->bar[BAR1].base_addr);
+
+	bnx2x_load_firmware(sc);
+	assert(sc->firmware);
+
+	if (eth_dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf & ETH_RSS_NONFRAG_IPV4_UDP)
+		sc->udp_rss = 1;
+
+	sc->rx_budget = BNX2X_RX_BUDGET;
+	sc->hc_rx_ticks = BNX2X_RX_TICKS;
+	sc->hc_tx_ticks = BNX2X_TX_TICKS;
+
+	sc->interrupt_mode = INTR_MODE_SINGLE_MSIX;
+	sc->rx_mode = BNX2X_RX_MODE_NORMAL;
+
+	sc->pci_dev = pci_dev;
+	ret = bnx2x_attach(sc);
+	if (ret) {
+		PMD_DRV_LOG(ERR, "bnx2x_attach failed (%d)", ret);
+		return ret;
+	}
+
+	eth_dev->data->mac_addrs = (struct ether_addr *)sc->link_params.mac_addr;
+
+	PMD_DRV_LOG(INFO, "pcie_bus=%d, pcie_device=%d",
+			sc->pcie_bus, sc->pcie_device);
+	PMD_DRV_LOG(INFO, "bar0.addr=%p, bar1.addr=%p",
+			sc->bar[BAR0].base_addr, sc->bar[BAR1].base_addr);
+	PMD_DRV_LOG(INFO, "port=%d, path=%d, vnic=%d, func=%d",
+			PORT_ID(sc), PATH_ID(sc), VNIC_ID(sc), FUNC_ID(sc));
+	PMD_DRV_LOG(INFO, "portID=%d vendorID=0x%x deviceID=0x%x",
+			eth_dev->data->port_id, pci_dev->id.vendor_id, pci_dev->id.device_id);
+
+	if (IS_VF(sc)) {
+		if (bnx2x_dma_alloc(sc, sizeof(struct bnx2x_vf_mbx_msg),
+				    &sc->vf2pf_mbox_mapping, "vf2pf_mbox",
+				    RTE_CACHE_LINE_SIZE) != 0)
+			return -ENOMEM;
+
+		sc->vf2pf_mbox = (struct bnx2x_vf_mbx_msg *)
+					 sc->vf2pf_mbox_mapping.vaddr;
+
+		if (bnx2x_dma_alloc(sc, sizeof(struct bnx2x_vf_bulletin),
+				    &sc->pf2vf_bulletin_mapping, "vf2pf_bull",
+				    RTE_CACHE_LINE_SIZE) != 0)
+			return -ENOMEM;
+
+		sc->pf2vf_bulletin = (struct bnx2x_vf_bulletin *)
+					     sc->pf2vf_bulletin_mapping.vaddr;
+
+		ret = bnx2x_vf_get_resources(sc, sc->max_tx_queues,
+					     sc->max_rx_queues);
+		if (ret)
+			return ret;
+	}
+
+	return 0;
+}
+
+static int
+eth_bnx2x_dev_init(struct rte_eth_dev *eth_dev)
+{
+	PMD_INIT_FUNC_TRACE();
+	return bnx2x_common_dev_init(eth_dev, 0);
+}
+
+static int
+eth_bnx2xvf_dev_init(struct rte_eth_dev *eth_dev)
+{
+	PMD_INIT_FUNC_TRACE();
+	return bnx2x_common_dev_init(eth_dev, 1);
+}
+
+static struct eth_driver rte_bnx2x_pmd = {
+	.pci_drv = {
+		.name = "rte_bnx2x_pmd",
+		.id_table = pci_id_bnx2x_map,
+		.drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC,
+	},
+	.eth_dev_init = eth_bnx2x_dev_init,
+	.dev_private_size = sizeof(struct bnx2x_softc),
+};
+
+/*
+ * virtual function driver struct
+ */
+static struct eth_driver rte_bnx2xvf_pmd = {
+	.pci_drv = {
+		.name = "rte_bnx2xvf_pmd",
+		.id_table = pci_id_bnx2xvf_map,
+		.drv_flags = RTE_PCI_DRV_NEED_MAPPING,
+	},
+	.eth_dev_init = eth_bnx2xvf_dev_init,
+	.dev_private_size = sizeof(struct bnx2x_softc),
+};
+
+static int rte_bnx2x_pmd_init(const char *name __rte_unused, const char *params __rte_unused)
+{
+	PMD_INIT_FUNC_TRACE();
+	rte_eth_driver_register(&rte_bnx2x_pmd);
+
+	return 0;
+}
+
+static int rte_bnx2xvf_pmd_init(const char *name __rte_unused, const char *params __rte_unused)
+{
+	PMD_INIT_FUNC_TRACE();
+	rte_eth_driver_register(&rte_bnx2xvf_pmd);
+
+	return 0;
+}
+
+static struct rte_driver rte_bnx2x_driver = {
+	.type = PMD_PDEV,
+	.init = rte_bnx2x_pmd_init,
+};
+
+static struct rte_driver rte_bnx2xvf_driver = {
+	.type = PMD_PDEV,
+	.init = rte_bnx2xvf_pmd_init,
+};
+
+PMD_REGISTER_DRIVER(rte_bnx2x_driver);
+PMD_REGISTER_DRIVER(rte_bnx2xvf_driver);