New upstream version 18.11-rc1
[deb_dpdk.git] / drivers / net / bnx2x / bnx2x_ethdev.c
index 95861a0..0057843 100644 (file)
@@ -1,11 +1,8 @@
-/*
+/* SPDX-License-Identifier: BSD-3-Clause
  * Copyright (c) 2013-2015 Brocade Communications Systems, Inc.
- *
- * Copyright (c) 2015 QLogic Corporation.
+ * Copyright (c) 2015-2018 Cavium Inc.
  * All rights reserved.
- * www.qlogic.com
- *
- * See LICENSE.bnx2x_pmd for copyright and licensing details.
+ * www.cavium.com
  */
 
 #include "bnx2x.h"
 
 #include <rte_dev.h>
 #include <rte_ethdev_pci.h>
+#include <rte_alarm.h>
+
+int bnx2x_logtype_init;
+int bnx2x_logtype_driver;
 
 /*
  * The set of PCI devices this driver supports
@@ -78,26 +79,31 @@ static const struct rte_bnx2x_xstats_name_off bnx2x_xstats_strings[] = {
                offsetof(struct bnx2x_eth_stats, pfc_frames_received_lo)}
 };
 
-static void
+static int
 bnx2x_link_update(struct rte_eth_dev *dev)
 {
        struct bnx2x_softc *sc = dev->data->dev_private;
+       struct rte_eth_link link;
+
+       PMD_INIT_FUNC_TRACE(sc);
 
-       PMD_INIT_FUNC_TRACE();
        bnx2x_link_status_update(sc);
+       memset(&link, 0, sizeof(link));
        mb();
-       dev->data->dev_link.link_speed = sc->link_vars.line_speed;
+       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;
+                       link.link_duplex = ETH_LINK_FULL_DUPLEX;
                        break;
                case DUPLEX_HALF:
-                       dev->data->dev_link.link_duplex = ETH_LINK_HALF_DUPLEX;
+                       link.link_duplex = ETH_LINK_HALF_DUPLEX;
                        break;
        }
-       dev->data->dev_link.link_autoneg = !(dev->data->dev_conf.link_speeds &
+       link.link_autoneg = !(dev->data->dev_conf.link_speeds &
                        ETH_LINK_SPEED_FIXED);
-       dev->data->dev_link.link_status = sc->link_vars.link_up;
+       link.link_status = sc->link_vars.link_up;
+
+       return rte_eth_linkstatus_set(dev, &link);
 }
 
 static void
@@ -106,8 +112,6 @@ 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");
-
        bnx2x_intr_legacy(sc, 0);
 
        if (sc->periodic_flags & PERIODIC_GO)
@@ -125,10 +129,43 @@ bnx2x_interrupt_handler(void *param)
        struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
        struct bnx2x_softc *sc = dev->data->dev_private;
 
+       PMD_DEBUG_PERIODIC_LOG(INFO, sc, "Interrupt handled");
+
+       atomic_store_rel_long(&sc->periodic_flags, PERIODIC_STOP);
        bnx2x_interrupt_action(dev);
+       atomic_store_rel_long(&sc->periodic_flags, PERIODIC_GO);
        rte_intr_enable(&sc->pci_dev->intr_handle);
 }
 
+static void bnx2x_periodic_start(void *param)
+{
+       struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
+       struct bnx2x_softc *sc = dev->data->dev_private;
+       int ret = 0;
+
+       atomic_store_rel_long(&sc->periodic_flags, PERIODIC_GO);
+       bnx2x_interrupt_action(dev);
+       if (IS_PF(sc)) {
+               ret = rte_eal_alarm_set(BNX2X_SP_TIMER_PERIOD,
+                                       bnx2x_periodic_start, (void *)dev);
+               if (ret) {
+                       PMD_DRV_LOG(ERR, sc, "Unable to start periodic"
+                                            " timer rc %d", ret);
+                       assert(false && "Unable to start periodic timer");
+               }
+       }
+}
+
+void bnx2x_periodic_stop(void *param)
+{
+       struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
+       struct bnx2x_softc *sc = dev->data->dev_private;
+
+       atomic_store_rel_long(&sc->periodic_flags, PERIODIC_STOP);
+
+       rte_eal_alarm_cancel(bnx2x_periodic_start, (void *)dev);
+}
+
 /*
  * Devops - helper functions can be called from user application
  */
@@ -137,36 +174,38 @@ static int
 bnx2x_dev_configure(struct rte_eth_dev *dev)
 {
        struct bnx2x_softc *sc = dev->data->dev_private;
+       struct rte_eth_rxmode *rxmode = &dev->data->dev_conf.rxmode;
+
        int mp_ncpus = sysconf(_SC_NPROCESSORS_CONF);
 
-       PMD_INIT_FUNC_TRACE();
+       PMD_INIT_FUNC_TRACE(sc);
 
-       if (dev->data->dev_conf.rxmode.jumbo_frame)
+       if (rxmode->offloads & DEV_RX_OFFLOAD_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");
+               PMD_DRV_LOG(ERR, sc, "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");
+               PMD_DRV_LOG(ERR, sc, "The number of queues is more than number of CPUs");
                return -EINVAL;
        }
 
-       PMD_DRV_LOG(DEBUG, "num_queues=%d, mtu=%d",
+       PMD_DRV_LOG(DEBUG, sc, "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");
+               PMD_DRV_LOG(ERR, sc, "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");
+               PMD_DRV_LOG(ERR, sc, "bnx2x_alloc_hsi_mem was failed");
                bnx2x_free_ilt_mem(sc);
                return -ENXIO;
        }
@@ -180,11 +219,15 @@ bnx2x_dev_start(struct rte_eth_dev *dev)
        struct bnx2x_softc *sc = dev->data->dev_private;
        int ret = 0;
 
-       PMD_INIT_FUNC_TRACE();
+       PMD_INIT_FUNC_TRACE(sc);
+
+       /* start the periodic callout */
+       if (sc->periodic_flags & PERIODIC_STOP)
+               bnx2x_periodic_start(dev);
 
        ret = bnx2x_init(sc);
        if (ret) {
-               PMD_DRV_LOG(DEBUG, "bnx2x_init failed (%d)", ret);
+               PMD_DRV_LOG(DEBUG, sc, "bnx2x_init failed (%d)", ret);
                return -1;
        }
 
@@ -193,12 +236,12 @@ bnx2x_dev_start(struct rte_eth_dev *dev)
                                bnx2x_interrupt_handler, (void *)dev);
 
                if (rte_intr_enable(&sc->pci_dev->intr_handle))
-                       PMD_DRV_LOG(ERR, "rte_intr_enable failed");
+                       PMD_DRV_LOG(ERR, sc, "rte_intr_enable failed");
        }
 
        ret = bnx2x_dev_rx_init(dev);
        if (ret != 0) {
-               PMD_DRV_LOG(DEBUG, "bnx2x_dev_rx_init returned error code");
+               PMD_DRV_LOG(DEBUG, sc, "bnx2x_dev_rx_init returned error code");
                return -3;
        }
 
@@ -214,7 +257,7 @@ bnx2x_dev_stop(struct rte_eth_dev *dev)
        struct bnx2x_softc *sc = dev->data->dev_private;
        int ret = 0;
 
-       PMD_INIT_FUNC_TRACE();
+       PMD_INIT_FUNC_TRACE(sc);
 
        if (IS_PF(sc)) {
                rte_intr_disable(&sc->pci_dev->intr_handle);
@@ -222,9 +265,12 @@ bnx2x_dev_stop(struct rte_eth_dev *dev)
                                bnx2x_interrupt_handler, (void *)dev);
        }
 
+       /* stop the periodic callout */
+       bnx2x_periodic_stop(dev);
+
        ret = bnx2x_nic_unload(sc, UNLOAD_NORMAL, FALSE);
        if (ret) {
-               PMD_DRV_LOG(DEBUG, "bnx2x_nic_unload failed (%d)", ret);
+               PMD_DRV_LOG(DEBUG, sc, "bnx2x_nic_unload failed (%d)", ret);
                return;
        }
 
@@ -236,7 +282,7 @@ bnx2x_dev_close(struct rte_eth_dev *dev)
 {
        struct bnx2x_softc *sc = dev->data->dev_private;
 
-       PMD_INIT_FUNC_TRACE();
+       PMD_INIT_FUNC_TRACE(sc);
 
        if (IS_VF(sc))
                bnx2x_vf_close(sc);
@@ -256,7 +302,7 @@ bnx2x_promisc_enable(struct rte_eth_dev *dev)
 {
        struct bnx2x_softc *sc = dev->data->dev_private;
 
-       PMD_INIT_FUNC_TRACE();
+       PMD_INIT_FUNC_TRACE(sc);
        sc->rx_mode = BNX2X_RX_MODE_PROMISC;
        if (rte_eth_allmulticast_get(dev->data->port_id) == 1)
                sc->rx_mode = BNX2X_RX_MODE_ALLMULTI_PROMISC;
@@ -268,7 +314,7 @@ bnx2x_promisc_disable(struct rte_eth_dev *dev)
 {
        struct bnx2x_softc *sc = dev->data->dev_private;
 
-       PMD_INIT_FUNC_TRACE();
+       PMD_INIT_FUNC_TRACE(sc);
        sc->rx_mode = BNX2X_RX_MODE_NORMAL;
        if (rte_eth_allmulticast_get(dev->data->port_id) == 1)
                sc->rx_mode = BNX2X_RX_MODE_ALLMULTI;
@@ -280,7 +326,7 @@ bnx2x_dev_allmulticast_enable(struct rte_eth_dev *dev)
 {
        struct bnx2x_softc *sc = dev->data->dev_private;
 
-       PMD_INIT_FUNC_TRACE();
+       PMD_INIT_FUNC_TRACE(sc);
        sc->rx_mode = BNX2X_RX_MODE_ALLMULTI;
        if (rte_eth_promiscuous_get(dev->data->port_id) == 1)
                sc->rx_mode = BNX2X_RX_MODE_ALLMULTI_PROMISC;
@@ -292,7 +338,7 @@ bnx2x_dev_allmulticast_disable(struct rte_eth_dev *dev)
 {
        struct bnx2x_softc *sc = dev->data->dev_private;
 
-       PMD_INIT_FUNC_TRACE();
+       PMD_INIT_FUNC_TRACE(sc);
        sc->rx_mode = BNX2X_RX_MODE_NORMAL;
        if (rte_eth_promiscuous_get(dev->data->port_id) == 1)
                sc->rx_mode = BNX2X_RX_MODE_PROMISC;
@@ -302,31 +348,29 @@ bnx2x_dev_allmulticast_disable(struct rte_eth_dev *dev)
 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;
+       struct bnx2x_softc *sc = dev->data->dev_private;
 
-       bnx2x_link_update(dev);
+       PMD_INIT_FUNC_TRACE(sc);
 
-       return old_link_status == dev->data->dev_link.link_status ? -1 : 0;
+       return bnx2x_link_update(dev);
 }
 
 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;
+       int ret = 0;
 
-       bnx2x_link_update(dev);
+       ret = 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."
+               PMD_DRV_LOG(ERR, sc, "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;
+       return ret;
 }
 
 static int
@@ -337,7 +381,7 @@ bnx2x_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
        uint64_t brb_drops;
        uint64_t brb_truncates;
 
-       PMD_INIT_FUNC_TRACE();
+       PMD_INIT_FUNC_TRACE(sc);
 
        bnx2x_stats_handle(sc, STATS_EVENT_UPDATE);
 
@@ -444,13 +488,13 @@ static void
 bnx2x_dev_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
 {
        struct bnx2x_softc *sc = dev->data->dev_private;
-       dev_info->pci_dev = RTE_ETH_DEV_TO_PCI(dev);
        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;
+       dev_info->rx_offload_capa = DEV_RX_OFFLOAD_JUMBO_FRAME;
 }
 
 static int
@@ -528,27 +572,35 @@ bnx2x_common_dev_init(struct rte_eth_dev *eth_dev, int is_vf)
 {
        int ret = 0;
        struct rte_pci_device *pci_dev;
+       struct rte_pci_addr pci_addr;
        struct bnx2x_softc *sc;
 
-       PMD_INIT_FUNC_TRACE();
+       /* Extract key data structures */
+       sc = eth_dev->data->dev_private;
+       pci_dev = RTE_DEV_TO_PCI(eth_dev->device);
+       pci_addr = pci_dev->addr;
+
+       snprintf(sc->devinfo.name, NAME_SIZE, PCI_SHORT_PRI_FMT ":dpdk-port-%u",
+                pci_addr.bus, pci_addr.devid, pci_addr.function,
+                eth_dev->data->port_id);
+
+       PMD_INIT_FUNC_TRACE(sc);
 
        eth_dev->dev_ops = is_vf ? &bnx2xvf_eth_dev_ops : &bnx2x_eth_dev_ops;
-       pci_dev = RTE_ETH_DEV_TO_PCI(eth_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;
 
+       if (is_vf)
+               sc->flags = BNX2X_IS_VF_FLAG;
+
        sc->pcie_func = pci_dev->addr.function;
        sc->bar[BAR0].base_addr = (void *)pci_dev->mem_resource[0].addr;
        if (is_vf)
@@ -576,36 +628,49 @@ bnx2x_common_dev_init(struct rte_eth_dev *eth_dev, int is_vf)
        sc->pci_dev = pci_dev;
        ret = bnx2x_attach(sc);
        if (ret) {
-               PMD_DRV_LOG(ERR, "bnx2x_attach failed (%d)", ret);
+               PMD_DRV_LOG(ERR, sc, "bnx2x_attach failed (%d)", ret);
                return ret;
        }
 
+       /* schedule periodic poll for slowpath link events */
+       if (IS_PF(sc)) {
+               ret = rte_eal_alarm_set(BNX2X_SP_TIMER_PERIOD,
+                                       bnx2x_periodic_start, (void *)eth_dev);
+               if (ret) {
+                       PMD_DRV_LOG(ERR, sc, "Unable to start periodic"
+                                            " timer rc %d", ret);
+                       return -EINVAL;
+               }
+       }
+
        eth_dev->data->mac_addrs = (struct ether_addr *)sc->link_params.mac_addr;
 
-       PMD_DRV_LOG(INFO, "pcie_bus=%d, pcie_device=%d",
+       PMD_DRV_LOG(INFO, sc, "pcie_bus=%d, pcie_device=%d",
                        sc->pcie_bus, sc->pcie_device);
-       PMD_DRV_LOG(INFO, "bar0.addr=%p, bar1.addr=%p",
+       PMD_DRV_LOG(INFO, sc, "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",
+       PMD_DRV_LOG(INFO, sc, "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",
+       PMD_DRV_LOG(INFO, sc, "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)) {
                rte_spinlock_init(&sc->vf2pf_lock);
 
-               if (bnx2x_dma_alloc(sc, sizeof(struct bnx2x_vf_mbx_msg),
-                                   &sc->vf2pf_mbox_mapping, "vf2pf_mbox",
-                                   RTE_CACHE_LINE_SIZE) != 0)
-                       return -ENOMEM;
+               ret = bnx2x_dma_alloc(sc, sizeof(struct bnx2x_vf_mbx_msg),
+                                     &sc->vf2pf_mbox_mapping, "vf2pf_mbox",
+                                     RTE_CACHE_LINE_SIZE);
+               if (ret)
+                       goto out;
 
                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;
+               ret = bnx2x_dma_alloc(sc, sizeof(struct bnx2x_vf_bulletin),
+                                     &sc->pf2vf_bulletin_mapping, "vf2pf_bull",
+                                     RTE_CACHE_LINE_SIZE);
+               if (ret)
+                       goto out;
 
                sc->pf2vf_bulletin = (struct bnx2x_vf_bulletin *)
                                             sc->pf2vf_bulletin_mapping.vaddr;
@@ -613,23 +678,29 @@ bnx2x_common_dev_init(struct rte_eth_dev *eth_dev, int is_vf)
                ret = bnx2x_vf_get_resources(sc, sc->max_tx_queues,
                                             sc->max_rx_queues);
                if (ret)
-                       return ret;
+                       goto out;
        }
 
        return 0;
+
+out:
+       bnx2x_periodic_stop(eth_dev);
+       return ret;
 }
 
 static int
 eth_bnx2x_dev_init(struct rte_eth_dev *eth_dev)
 {
-       PMD_INIT_FUNC_TRACE();
+       struct bnx2x_softc *sc = eth_dev->data->dev_private;
+       PMD_INIT_FUNC_TRACE(sc);
        return bnx2x_common_dev_init(eth_dev, 0);
 }
 
 static int
 eth_bnx2xvf_dev_init(struct rte_eth_dev *eth_dev)
 {
-       PMD_INIT_FUNC_TRACE();
+       struct bnx2x_softc *sc = eth_dev->data->dev_private;
+       PMD_INIT_FUNC_TRACE(sc);
        return bnx2x_common_dev_init(eth_dev, 1);
 }
 
@@ -639,24 +710,14 @@ static struct rte_pci_driver rte_bnx2xvf_pmd;
 static int eth_bnx2x_pci_probe(struct rte_pci_driver *pci_drv,
        struct rte_pci_device *pci_dev)
 {
-       struct rte_eth_dev *eth_dev;
-       int ret;
-
-       eth_dev = rte_eth_dev_pci_allocate(pci_dev, sizeof(struct bnx2x_softc));
-       if (!eth_dev)
-               return -ENOMEM;
-
        if (pci_drv == &rte_bnx2x_pmd)
-               ret = eth_bnx2x_dev_init(eth_dev);
+               return rte_eth_dev_pci_generic_probe(pci_dev,
+                               sizeof(struct bnx2x_softc), eth_bnx2x_dev_init);
        else if (pci_drv == &rte_bnx2xvf_pmd)
-               ret = eth_bnx2xvf_dev_init(eth_dev);
+               return rte_eth_dev_pci_generic_probe(pci_dev,
+                               sizeof(struct bnx2x_softc), eth_bnx2xvf_dev_init);
        else
-               ret = -EINVAL;
-
-       if (ret)
-               rte_eth_dev_pci_release(eth_dev);
-
-       return ret;
+               return -EINVAL;
 }
 
 static int eth_bnx2x_pci_remove(struct rte_pci_device *pci_dev)
@@ -687,3 +748,13 @@ RTE_PMD_REGISTER_KMOD_DEP(net_bnx2x, "* igb_uio | uio_pci_generic | vfio-pci");
 RTE_PMD_REGISTER_PCI(net_bnx2xvf, rte_bnx2xvf_pmd);
 RTE_PMD_REGISTER_PCI_TABLE(net_bnx2xvf, pci_id_bnx2xvf_map);
 RTE_PMD_REGISTER_KMOD_DEP(net_bnx2xvf, "* igb_uio | vfio-pci");
+
+RTE_INIT(bnx2x_init_log)
+{
+       bnx2x_logtype_init = rte_log_register("pmd.net.bnx2x.init");
+       if (bnx2x_logtype_init >= 0)
+               rte_log_set_level(bnx2x_logtype_init, RTE_LOG_NOTICE);
+       bnx2x_logtype_driver = rte_log_register("pmd.net.bnx2x.driver");
+       if (bnx2x_logtype_driver >= 0)
+               rte_log_set_level(bnx2x_logtype_driver, RTE_LOG_NOTICE);
+}