--- /dev/null
+/*-
+ * BSD LICENSE
+ *
+ * Copyright (c) 2015-2017 Atomic Rules LLC
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of copyright holder nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <unistd.h>
+#include <sys/stat.h>
+#include <dlfcn.h>
+
+#include <rte_ethdev_pci.h>
+#include <rte_kvargs.h>
+
+#include "ark_global.h"
+#include "ark_logs.h"
+#include "ark_ethdev.h"
+#include "ark_ethdev_tx.h"
+#include "ark_ethdev_rx.h"
+#include "ark_mpu.h"
+#include "ark_ddm.h"
+#include "ark_udm.h"
+#include "ark_rqp.h"
+#include "ark_pktdir.h"
+#include "ark_pktgen.h"
+#include "ark_pktchkr.h"
+
+/* Internal prototypes */
+static int eth_ark_check_args(struct ark_adapter *ark, const char *params);
+static int eth_ark_dev_init(struct rte_eth_dev *dev);
+static int ark_config_device(struct rte_eth_dev *dev);
+static int eth_ark_dev_uninit(struct rte_eth_dev *eth_dev);
+static int eth_ark_dev_configure(struct rte_eth_dev *dev);
+static int eth_ark_dev_start(struct rte_eth_dev *dev);
+static void eth_ark_dev_stop(struct rte_eth_dev *dev);
+static void eth_ark_dev_close(struct rte_eth_dev *dev);
+static void eth_ark_dev_info_get(struct rte_eth_dev *dev,
+ struct rte_eth_dev_info *dev_info);
+static int eth_ark_dev_link_update(struct rte_eth_dev *dev,
+ int wait_to_complete);
+static int eth_ark_dev_set_link_up(struct rte_eth_dev *dev);
+static int eth_ark_dev_set_link_down(struct rte_eth_dev *dev);
+static void eth_ark_dev_stats_get(struct rte_eth_dev *dev,
+ struct rte_eth_stats *stats);
+static void eth_ark_dev_stats_reset(struct rte_eth_dev *dev);
+static void eth_ark_set_default_mac_addr(struct rte_eth_dev *dev,
+ struct ether_addr *mac_addr);
+static int eth_ark_macaddr_add(struct rte_eth_dev *dev,
+ struct ether_addr *mac_addr,
+ uint32_t index,
+ uint32_t pool);
+static void eth_ark_macaddr_remove(struct rte_eth_dev *dev,
+ uint32_t index);
+
+/*
+ * The packet generator is a functional block used to generate packet
+ * patterns for testing. It is not intended for nominal use.
+ */
+#define ARK_PKTGEN_ARG "Pkt_gen"
+
+/*
+ * The packet checker is a functional block used to verify packet
+ * patterns for testing. It is not intended for nominal use.
+ */
+#define ARK_PKTCHKR_ARG "Pkt_chkr"
+
+/*
+ * The packet director is used to select the internal ingress and
+ * egress packets paths during testing. It is not intended for
+ * nominal use.
+ */
+#define ARK_PKTDIR_ARG "Pkt_dir"
+
+/* Devinfo configurations */
+#define ARK_RX_MAX_QUEUE (4096 * 4)
+#define ARK_RX_MIN_QUEUE (512)
+#define ARK_RX_MAX_PKT_LEN ((16 * 1024) - 128)
+#define ARK_RX_MIN_BUFSIZE (1024)
+
+#define ARK_TX_MAX_QUEUE (4096 * 4)
+#define ARK_TX_MIN_QUEUE (256)
+
+static const char * const valid_arguments[] = {
+ ARK_PKTGEN_ARG,
+ ARK_PKTCHKR_ARG,
+ ARK_PKTDIR_ARG,
+ NULL
+};
+
+static const struct rte_pci_id pci_id_ark_map[] = {
+ {RTE_PCI_DEVICE(0x1d6c, 0x100d)},
+ {RTE_PCI_DEVICE(0x1d6c, 0x100e)},
+ {.vendor_id = 0, /* sentinel */ },
+};
+
+static int
+eth_ark_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
+ 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 ark_adapter));
+
+ if (eth_dev == NULL)
+ return -ENOMEM;
+
+ ret = eth_ark_dev_init(eth_dev);
+ if (ret)
+ rte_eth_dev_pci_release(eth_dev);
+
+ return ret;
+}
+
+static int
+eth_ark_pci_remove(struct rte_pci_device *pci_dev)
+{
+ return rte_eth_dev_pci_generic_remove(pci_dev, eth_ark_dev_uninit);
+}
+
+static struct rte_pci_driver rte_ark_pmd = {
+ .id_table = pci_id_ark_map,
+ .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC,
+ .probe = eth_ark_pci_probe,
+ .remove = eth_ark_pci_remove,
+};
+
+static const struct eth_dev_ops ark_eth_dev_ops = {
+ .dev_configure = eth_ark_dev_configure,
+ .dev_start = eth_ark_dev_start,
+ .dev_stop = eth_ark_dev_stop,
+ .dev_close = eth_ark_dev_close,
+
+ .dev_infos_get = eth_ark_dev_info_get,
+
+ .rx_queue_setup = eth_ark_dev_rx_queue_setup,
+ .rx_queue_count = eth_ark_dev_rx_queue_count,
+ .tx_queue_setup = eth_ark_tx_queue_setup,
+
+ .link_update = eth_ark_dev_link_update,
+ .dev_set_link_up = eth_ark_dev_set_link_up,
+ .dev_set_link_down = eth_ark_dev_set_link_down,
+
+ .rx_queue_start = eth_ark_rx_start_queue,
+ .rx_queue_stop = eth_ark_rx_stop_queue,
+
+ .tx_queue_start = eth_ark_tx_queue_start,
+ .tx_queue_stop = eth_ark_tx_queue_stop,
+
+ .stats_get = eth_ark_dev_stats_get,
+ .stats_reset = eth_ark_dev_stats_reset,
+
+ .mac_addr_add = eth_ark_macaddr_add,
+ .mac_addr_remove = eth_ark_macaddr_remove,
+ .mac_addr_set = eth_ark_set_default_mac_addr,
+};
+
+static int
+check_for_ext(struct ark_adapter *ark)
+{
+ int found = 0;
+
+ /* Get the env */
+ const char *dllpath = getenv("ARK_EXT_PATH");
+
+ if (dllpath == NULL) {
+ PMD_DEBUG_LOG(DEBUG, "ARK EXT NO dll path specified\n");
+ return 0;
+ }
+ PMD_DRV_LOG(INFO, "ARK EXT found dll path at %s\n", dllpath);
+
+ /* Open and load the .so */
+ ark->d_handle = dlopen(dllpath, RTLD_LOCAL | RTLD_LAZY);
+ if (ark->d_handle == NULL) {
+ PMD_DRV_LOG(ERR, "Could not load user extension %s\n",
+ dllpath);
+ return -1;
+ }
+ PMD_DRV_LOG(INFO, "SUCCESS: loaded user extension %s\n",
+ dllpath);
+
+ /* Get the entry points */
+ ark->user_ext.dev_init =
+ (void *(*)(struct rte_eth_dev *, void *, int))
+ dlsym(ark->d_handle, "dev_init");
+ PMD_DEBUG_LOG(DEBUG, "device ext init pointer = %p\n",
+ ark->user_ext.dev_init);
+ ark->user_ext.dev_get_port_count =
+ (int (*)(struct rte_eth_dev *, void *))
+ dlsym(ark->d_handle, "dev_get_port_count");
+ ark->user_ext.dev_uninit =
+ (void (*)(struct rte_eth_dev *, void *))
+ dlsym(ark->d_handle, "dev_uninit");
+ ark->user_ext.dev_configure =
+ (int (*)(struct rte_eth_dev *, void *))
+ dlsym(ark->d_handle, "dev_configure");
+ ark->user_ext.dev_start =
+ (int (*)(struct rte_eth_dev *, void *))
+ dlsym(ark->d_handle, "dev_start");
+ ark->user_ext.dev_stop =
+ (void (*)(struct rte_eth_dev *, void *))
+ dlsym(ark->d_handle, "dev_stop");
+ ark->user_ext.dev_close =
+ (void (*)(struct rte_eth_dev *, void *))
+ dlsym(ark->d_handle, "dev_close");
+ ark->user_ext.link_update =
+ (int (*)(struct rte_eth_dev *, int, void *))
+ dlsym(ark->d_handle, "link_update");
+ ark->user_ext.dev_set_link_up =
+ (int (*)(struct rte_eth_dev *, void *))
+ dlsym(ark->d_handle, "dev_set_link_up");
+ ark->user_ext.dev_set_link_down =
+ (int (*)(struct rte_eth_dev *, void *))
+ dlsym(ark->d_handle, "dev_set_link_down");
+ ark->user_ext.stats_get =
+ (void (*)(struct rte_eth_dev *, struct rte_eth_stats *,
+ void *))
+ dlsym(ark->d_handle, "stats_get");
+ ark->user_ext.stats_reset =
+ (void (*)(struct rte_eth_dev *, void *))
+ dlsym(ark->d_handle, "stats_reset");
+ ark->user_ext.mac_addr_add =
+ (void (*)(struct rte_eth_dev *, struct ether_addr *, uint32_t,
+ uint32_t, void *))
+ dlsym(ark->d_handle, "mac_addr_add");
+ ark->user_ext.mac_addr_remove =
+ (void (*)(struct rte_eth_dev *, uint32_t, void *))
+ dlsym(ark->d_handle, "mac_addr_remove");
+ ark->user_ext.mac_addr_set =
+ (void (*)(struct rte_eth_dev *, struct ether_addr *,
+ void *))
+ dlsym(ark->d_handle, "mac_addr_set");
+
+ return found;
+}
+
+static int
+eth_ark_dev_init(struct rte_eth_dev *dev)
+{
+ struct ark_adapter *ark =
+ (struct ark_adapter *)dev->data->dev_private;
+ struct rte_pci_device *pci_dev;
+ int ret;
+ int port_count = 1;
+ int p;
+
+ ark->eth_dev = dev;
+
+ PMD_FUNC_LOG(DEBUG, "\n");
+
+ /* Check to see if there is an extension that we need to load */
+ ret = check_for_ext(ark);
+ if (ret)
+ return ret;
+ pci_dev = ARK_DEV_TO_PCI(dev);
+ rte_eth_copy_pci_info(dev, pci_dev);
+
+ /* Use dummy function until setup */
+ dev->rx_pkt_burst = ð_ark_recv_pkts_noop;
+ dev->tx_pkt_burst = ð_ark_xmit_pkts_noop;
+
+ ark->bar0 = (uint8_t *)pci_dev->mem_resource[0].addr;
+ ark->a_bar = (uint8_t *)pci_dev->mem_resource[2].addr;
+
+ ark->sysctrl.v = (void *)&ark->bar0[ARK_SYSCTRL_BASE];
+ ark->mpurx.v = (void *)&ark->bar0[ARK_MPU_RX_BASE];
+ ark->udm.v = (void *)&ark->bar0[ARK_UDM_BASE];
+ ark->mputx.v = (void *)&ark->bar0[ARK_MPU_TX_BASE];
+ ark->ddm.v = (void *)&ark->bar0[ARK_DDM_BASE];
+ ark->cmac.v = (void *)&ark->bar0[ARK_CMAC_BASE];
+ ark->external.v = (void *)&ark->bar0[ARK_EXTERNAL_BASE];
+ ark->pktdir.v = (void *)&ark->bar0[ARK_PKTDIR_BASE];
+ ark->pktgen.v = (void *)&ark->bar0[ARK_PKTGEN_BASE];
+ ark->pktchkr.v = (void *)&ark->bar0[ARK_PKTCHKR_BASE];
+
+ ark->rqpacing =
+ (struct ark_rqpace_t *)(ark->bar0 + ARK_RCPACING_BASE);
+ ark->started = 0;
+
+ PMD_DEBUG_LOG(INFO, "Sys Ctrl Const = 0x%x HW Commit_ID: %08x\n",
+ ark->sysctrl.t32[4],
+ rte_be_to_cpu_32(ark->sysctrl.t32[0x20 / 4]));
+ PMD_DRV_LOG(INFO, "Arkville HW Commit_ID: %08x\n",
+ rte_be_to_cpu_32(ark->sysctrl.t32[0x20 / 4]));
+
+ /* If HW sanity test fails, return an error */
+ if (ark->sysctrl.t32[4] != 0xcafef00d) {
+ PMD_DRV_LOG(ERR,
+ "HW Sanity test has failed, expected constant"
+ " 0x%x, read 0x%x (%s)\n",
+ 0xcafef00d,
+ ark->sysctrl.t32[4], __func__);
+ return -1;
+ }
+ if (ark->sysctrl.t32[3] != 0) {
+ if (ark_rqp_lasped(ark->rqpacing)) {
+ PMD_DRV_LOG(ERR, "Arkville Evaluation System - "
+ "Timer has Expired\n");
+ return -1;
+ }
+ PMD_DRV_LOG(WARNING, "Arkville Evaluation System - "
+ "Timer is Running\n");
+ }
+
+ PMD_DRV_LOG(INFO,
+ "HW Sanity test has PASSED, expected constant"
+ " 0x%x, read 0x%x (%s)\n",
+ 0xcafef00d, ark->sysctrl.t32[4], __func__);
+
+ /* We are a single function multi-port device. */
+ ret = ark_config_device(dev);
+ dev->dev_ops = &ark_eth_dev_ops;
+ dev->data->dev_flags |= RTE_ETH_DEV_DETACHABLE;
+
+ dev->data->mac_addrs = rte_zmalloc("ark", ETHER_ADDR_LEN, 0);
+ if (!dev->data->mac_addrs) {
+ PMD_DRV_LOG(ERR,
+ "Failed to allocated memory for storing mac address"
+ );
+ }
+
+ if (ark->user_ext.dev_init) {
+ ark->user_data = ark->user_ext.dev_init(dev, ark->a_bar, 0);
+ if (!ark->user_data) {
+ PMD_DRV_LOG(INFO,
+ "Failed to initialize PMD extension!"
+ " continuing without it\n");
+ memset(&ark->user_ext, 0, sizeof(struct ark_user_ext));
+ dlclose(ark->d_handle);
+ }
+ }
+
+ if (pci_dev->device.devargs)
+ ret = eth_ark_check_args(ark, pci_dev->device.devargs->args);
+ else
+ PMD_DRV_LOG(INFO, "No Device args found\n");
+
+ if (ret)
+ goto error;
+ /*
+ * We will create additional devices based on the number of requested
+ * ports
+ */
+ if (ark->user_ext.dev_get_port_count)
+ port_count =
+ ark->user_ext.dev_get_port_count(dev, ark->user_data);
+ ark->num_ports = port_count;
+
+ for (p = 0; p < port_count; p++) {
+ struct rte_eth_dev *eth_dev;
+ char name[RTE_ETH_NAME_MAX_LEN];
+
+ snprintf(name, sizeof(name), "arketh%d",
+ dev->data->port_id + p);
+
+ if (p == 0) {
+ /* First port is already allocated by DPDK */
+ eth_dev = ark->eth_dev;
+ continue;
+ }
+
+ /* reserve an ethdev entry */
+ eth_dev = rte_eth_dev_allocate(name);
+ if (!eth_dev) {
+ PMD_DRV_LOG(ERR,
+ "Could not allocate eth_dev for port %d\n",
+ p);
+ goto error;
+ }
+
+ eth_dev->device = &pci_dev->device;
+ eth_dev->data->dev_private = ark;
+ eth_dev->dev_ops = ark->eth_dev->dev_ops;
+ eth_dev->tx_pkt_burst = ark->eth_dev->tx_pkt_burst;
+ eth_dev->rx_pkt_burst = ark->eth_dev->rx_pkt_burst;
+
+ rte_eth_copy_pci_info(eth_dev, pci_dev);
+
+ eth_dev->data->mac_addrs = rte_zmalloc(name, ETHER_ADDR_LEN, 0);
+ if (!eth_dev->data->mac_addrs) {
+ PMD_DRV_LOG(ERR,
+ "Memory allocation for MAC failed!"
+ " Exiting.\n");
+ goto error;
+ }
+
+ if (ark->user_ext.dev_init)
+ ark->user_data =
+ ark->user_ext.dev_init(dev, ark->a_bar, p);
+ }
+
+ return ret;
+
+ error:
+ if (dev->data->mac_addrs)
+ rte_free(dev->data->mac_addrs);
+ return -1;
+}
+
+/*
+ *Initial device configuration when device is opened
+ * setup the DDM, and UDM
+ * Called once per PCIE device
+ */
+static int
+ark_config_device(struct rte_eth_dev *dev)
+{
+ struct ark_adapter *ark =
+ (struct ark_adapter *)dev->data->dev_private;
+ uint16_t num_q, i;
+ struct ark_mpu_t *mpu;
+
+ /*
+ * Make sure that the packet director, generator and checker are in a
+ * known state
+ */
+ ark->start_pg = 0;
+ ark->pg = ark_pktgen_init(ark->pktgen.v, 0, 1);
+ ark_pktgen_reset(ark->pg);
+ ark->pc = ark_pktchkr_init(ark->pktchkr.v, 0, 1);
+ ark_pktchkr_stop(ark->pc);
+ ark->pd = ark_pktdir_init(ark->pktdir.v);
+
+ /* Verify HW */
+ if (ark_udm_verify(ark->udm.v))
+ return -1;
+ if (ark_ddm_verify(ark->ddm.v))
+ return -1;
+
+ /* UDM */
+ if (ark_udm_reset(ark->udm.v)) {
+ PMD_DRV_LOG(ERR, "Unable to stop and reset UDM\n");
+ return -1;
+ }
+ /* Keep in reset until the MPU are cleared */
+
+ /* MPU reset */
+ mpu = ark->mpurx.v;
+ num_q = ark_api_num_queues(mpu);
+ ark->rx_queues = num_q;
+ for (i = 0; i < num_q; i++) {
+ ark_mpu_reset(mpu);
+ mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET);
+ }
+
+ ark_udm_stop(ark->udm.v, 0);
+ ark_udm_configure(ark->udm.v,
+ RTE_PKTMBUF_HEADROOM,
+ RTE_MBUF_DEFAULT_DATAROOM,
+ ARK_RX_WRITE_TIME_NS);
+ ark_udm_stats_reset(ark->udm.v);
+ ark_udm_stop(ark->udm.v, 0);
+
+ /* TX -- DDM */
+ if (ark_ddm_stop(ark->ddm.v, 1))
+ PMD_DRV_LOG(ERR, "Unable to stop DDM\n");
+
+ mpu = ark->mputx.v;
+ num_q = ark_api_num_queues(mpu);
+ ark->tx_queues = num_q;
+ for (i = 0; i < num_q; i++) {
+ ark_mpu_reset(mpu);
+ mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET);
+ }
+
+ ark_ddm_reset(ark->ddm.v);
+ ark_ddm_stats_reset(ark->ddm.v);
+
+ ark_ddm_stop(ark->ddm.v, 0);
+ ark_rqp_stats_reset(ark->rqpacing);
+
+ return 0;
+}
+
+static int
+eth_ark_dev_uninit(struct rte_eth_dev *dev)
+{
+ struct ark_adapter *ark =
+ (struct ark_adapter *)dev->data->dev_private;
+
+ if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+ return 0;
+
+ if (ark->user_ext.dev_uninit)
+ ark->user_ext.dev_uninit(dev, ark->user_data);
+
+ ark_pktgen_uninit(ark->pg);
+ ark_pktchkr_uninit(ark->pc);
+
+ dev->dev_ops = NULL;
+ dev->rx_pkt_burst = NULL;
+ dev->tx_pkt_burst = NULL;
+ if (dev->data->mac_addrs)
+ rte_free(dev->data->mac_addrs);
+ if (dev->data)
+ rte_free(dev->data);
+
+ return 0;
+}
+
+static int
+eth_ark_dev_configure(struct rte_eth_dev *dev)
+{
+ PMD_FUNC_LOG(DEBUG, "\n");
+ struct ark_adapter *ark =
+ (struct ark_adapter *)dev->data->dev_private;
+
+ eth_ark_dev_set_link_up(dev);
+ if (ark->user_ext.dev_configure)
+ return ark->user_ext.dev_configure(dev, ark->user_data);
+ return 0;
+}
+
+static void *
+delay_pg_start(void *arg)
+{
+ struct ark_adapter *ark = (struct ark_adapter *)arg;
+
+ /* This function is used exclusively for regression testing, We
+ * perform a blind sleep here to ensure that the external test
+ * application has time to setup the test before we generate packets
+ */
+ usleep(100000);
+ ark_pktgen_run(ark->pg);
+ return NULL;
+}
+
+static int
+eth_ark_dev_start(struct rte_eth_dev *dev)
+{
+ struct ark_adapter *ark =
+ (struct ark_adapter *)dev->data->dev_private;
+ int i;
+
+ PMD_FUNC_LOG(DEBUG, "\n");
+
+ /* RX Side */
+ /* start UDM */
+ ark_udm_start(ark->udm.v);
+
+ for (i = 0; i < dev->data->nb_rx_queues; i++)
+ eth_ark_rx_start_queue(dev, i);
+
+ /* TX Side */
+ for (i = 0; i < dev->data->nb_tx_queues; i++)
+ eth_ark_tx_queue_start(dev, i);
+
+ /* start DDM */
+ ark_ddm_start(ark->ddm.v);
+
+ ark->started = 1;
+ /* set xmit and receive function */
+ dev->rx_pkt_burst = ð_ark_recv_pkts;
+ dev->tx_pkt_burst = ð_ark_xmit_pkts;
+
+ if (ark->start_pg)
+ ark_pktchkr_run(ark->pc);
+
+ if (ark->start_pg && (dev->data->port_id == 0)) {
+ pthread_t thread;
+
+ /* Delay packet generatpr start allow the hardware to be ready
+ * This is only used for sanity checking with internal generator
+ */
+ pthread_create(&thread, NULL, delay_pg_start, ark);
+ }
+
+ if (ark->user_ext.dev_start)
+ ark->user_ext.dev_start(dev, ark->user_data);
+
+ return 0;
+}
+
+static void
+eth_ark_dev_stop(struct rte_eth_dev *dev)
+{
+ uint16_t i;
+ int status;
+ struct ark_adapter *ark =
+ (struct ark_adapter *)dev->data->dev_private;
+ struct ark_mpu_t *mpu;
+
+ PMD_FUNC_LOG(DEBUG, "\n");
+
+ if (ark->started == 0)
+ return;
+ ark->started = 0;
+
+ /* Stop the extension first */
+ if (ark->user_ext.dev_stop)
+ ark->user_ext.dev_stop(dev, ark->user_data);
+
+ /* Stop the packet generator */
+ if (ark->start_pg)
+ ark_pktgen_pause(ark->pg);
+
+ dev->rx_pkt_burst = ð_ark_recv_pkts_noop;
+ dev->tx_pkt_burst = ð_ark_xmit_pkts_noop;
+
+ /* STOP TX Side */
+ for (i = 0; i < dev->data->nb_tx_queues; i++) {
+ status = eth_ark_tx_queue_stop(dev, i);
+ if (status != 0) {
+ uint8_t port = dev->data->port_id;
+ PMD_DRV_LOG(ERR,
+ "tx_queue stop anomaly"
+ " port %u, queue %u\n",
+ port, i);
+ }
+ }
+
+ /* Stop DDM */
+ /* Wait up to 0.1 second. each stop is upto 1000 * 10 useconds */
+ for (i = 0; i < 10; i++) {
+ status = ark_ddm_stop(ark->ddm.v, 1);
+ if (status == 0)
+ break;
+ }
+ if (status || i != 0) {
+ PMD_DRV_LOG(ERR, "DDM stop anomaly. status:"
+ " %d iter: %u. (%s)\n",
+ status,
+ i,
+ __func__);
+ ark_ddm_dump(ark->ddm.v, "Stop anomaly");
+
+ mpu = ark->mputx.v;
+ for (i = 0; i < ark->tx_queues; i++) {
+ ark_mpu_dump(mpu, "DDM failure dump", i);
+ mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET);
+ }
+ }
+
+ /* STOP RX Side */
+ /* Stop UDM multiple tries attempted */
+ for (i = 0; i < 10; i++) {
+ status = ark_udm_stop(ark->udm.v, 1);
+ if (status == 0)
+ break;
+ }
+ if (status || i != 0) {
+ PMD_DRV_LOG(ERR, "UDM stop anomaly. status %d iter: %u. (%s)\n",
+ status, i, __func__);
+ ark_udm_dump(ark->udm.v, "Stop anomaly");
+
+ mpu = ark->mpurx.v;
+ for (i = 0; i < ark->rx_queues; i++) {
+ ark_mpu_dump(mpu, "UDM Stop anomaly", i);
+ mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET);
+ }
+ }
+
+ ark_udm_dump_stats(ark->udm.v, "Post stop");
+ ark_udm_dump_perf(ark->udm.v, "Post stop");
+
+ for (i = 0; i < dev->data->nb_tx_queues; i++)
+ eth_ark_rx_dump_queue(dev, i, __func__);
+
+ /* Stop the packet checker if it is running */
+ if (ark->start_pg) {
+ ark_pktchkr_dump_stats(ark->pc);
+ ark_pktchkr_stop(ark->pc);
+ }
+}
+
+static void
+eth_ark_dev_close(struct rte_eth_dev *dev)
+{
+ struct ark_adapter *ark =
+ (struct ark_adapter *)dev->data->dev_private;
+ uint16_t i;
+
+ if (ark->user_ext.dev_close)
+ ark->user_ext.dev_close(dev, ark->user_data);
+
+ eth_ark_dev_stop(dev);
+ eth_ark_udm_force_close(dev);
+
+ /*
+ * TODO This should only be called once for the device during shutdown
+ */
+ ark_rqp_dump(ark->rqpacing);
+
+ for (i = 0; i < dev->data->nb_tx_queues; i++) {
+ eth_ark_tx_queue_release(dev->data->tx_queues[i]);
+ dev->data->tx_queues[i] = 0;
+ }
+
+ for (i = 0; i < dev->data->nb_rx_queues; i++) {
+ eth_ark_dev_rx_queue_release(dev->data->rx_queues[i]);
+ dev->data->rx_queues[i] = 0;
+ }
+}
+
+static void
+eth_ark_dev_info_get(struct rte_eth_dev *dev,
+ struct rte_eth_dev_info *dev_info)
+{
+ struct ark_adapter *ark =
+ (struct ark_adapter *)dev->data->dev_private;
+ struct ark_mpu_t *tx_mpu = RTE_PTR_ADD(ark->bar0, ARK_MPU_TX_BASE);
+ struct ark_mpu_t *rx_mpu = RTE_PTR_ADD(ark->bar0, ARK_MPU_RX_BASE);
+ uint16_t ports = ark->num_ports;
+
+ dev_info->max_rx_pktlen = ARK_RX_MAX_PKT_LEN;
+ dev_info->min_rx_bufsize = ARK_RX_MIN_BUFSIZE;
+
+ dev_info->max_rx_queues = ark_api_num_queues_per_port(rx_mpu, ports);
+ dev_info->max_tx_queues = ark_api_num_queues_per_port(tx_mpu, ports);
+
+ dev_info->rx_desc_lim = (struct rte_eth_desc_lim) {
+ .nb_max = ARK_RX_MAX_QUEUE,
+ .nb_min = ARK_RX_MIN_QUEUE,
+ .nb_align = ARK_RX_MIN_QUEUE}; /* power of 2 */
+
+ dev_info->tx_desc_lim = (struct rte_eth_desc_lim) {
+ .nb_max = ARK_TX_MAX_QUEUE,
+ .nb_min = ARK_TX_MIN_QUEUE,
+ .nb_align = ARK_TX_MIN_QUEUE}; /* power of 2 */
+
+ /* ARK PMD supports all line rates, how do we indicate that here ?? */
+ dev_info->speed_capa = (ETH_LINK_SPEED_1G |
+ ETH_LINK_SPEED_10G |
+ ETH_LINK_SPEED_25G |
+ ETH_LINK_SPEED_40G |
+ ETH_LINK_SPEED_50G |
+ ETH_LINK_SPEED_100G);
+ dev_info->pci_dev = ARK_DEV_TO_PCI(dev);
+}
+
+static int
+eth_ark_dev_link_update(struct rte_eth_dev *dev, int wait_to_complete)
+{
+ PMD_DEBUG_LOG(DEBUG, "link status = %d\n",
+ dev->data->dev_link.link_status);
+ struct ark_adapter *ark =
+ (struct ark_adapter *)dev->data->dev_private;
+
+ if (ark->user_ext.link_update) {
+ return ark->user_ext.link_update
+ (dev, wait_to_complete,
+ ark->user_data);
+ }
+ return 0;
+}
+
+static int
+eth_ark_dev_set_link_up(struct rte_eth_dev *dev)
+{
+ dev->data->dev_link.link_status = 1;
+ struct ark_adapter *ark =
+ (struct ark_adapter *)dev->data->dev_private;
+
+ if (ark->user_ext.dev_set_link_up)
+ return ark->user_ext.dev_set_link_up(dev, ark->user_data);
+ return 0;
+}
+
+static int
+eth_ark_dev_set_link_down(struct rte_eth_dev *dev)
+{
+ dev->data->dev_link.link_status = 0;
+ struct ark_adapter *ark =
+ (struct ark_adapter *)dev->data->dev_private;
+
+ if (ark->user_ext.dev_set_link_down)
+ return ark->user_ext.dev_set_link_down(dev, ark->user_data);
+ return 0;
+}
+
+static void
+eth_ark_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
+{
+ uint16_t i;
+ struct ark_adapter *ark =
+ (struct ark_adapter *)dev->data->dev_private;
+
+ stats->ipackets = 0;
+ stats->ibytes = 0;
+ stats->opackets = 0;
+ stats->obytes = 0;
+ stats->imissed = 0;
+ stats->oerrors = 0;
+
+ for (i = 0; i < dev->data->nb_tx_queues; i++)
+ eth_tx_queue_stats_get(dev->data->tx_queues[i], stats);
+ for (i = 0; i < dev->data->nb_rx_queues; i++)
+ eth_rx_queue_stats_get(dev->data->rx_queues[i], stats);
+ if (ark->user_ext.stats_get)
+ ark->user_ext.stats_get(dev, stats, ark->user_data);
+}
+
+static void
+eth_ark_dev_stats_reset(struct rte_eth_dev *dev)
+{
+ uint16_t i;
+ struct ark_adapter *ark =
+ (struct ark_adapter *)dev->data->dev_private;
+
+ for (i = 0; i < dev->data->nb_tx_queues; i++)
+ eth_tx_queue_stats_reset(dev->data->rx_queues[i]);
+ for (i = 0; i < dev->data->nb_rx_queues; i++)
+ eth_rx_queue_stats_reset(dev->data->rx_queues[i]);
+ if (ark->user_ext.stats_reset)
+ ark->user_ext.stats_reset(dev, ark->user_data);
+}
+
+static int
+eth_ark_macaddr_add(struct rte_eth_dev *dev,
+ struct ether_addr *mac_addr,
+ uint32_t index,
+ uint32_t pool)
+{
+ struct ark_adapter *ark =
+ (struct ark_adapter *)dev->data->dev_private;
+
+ if (ark->user_ext.mac_addr_add) {
+ ark->user_ext.mac_addr_add(dev,
+ mac_addr,
+ index,
+ pool,
+ ark->user_data);
+ return 0;
+ }
+ return -ENOTSUP;
+}
+
+static void
+eth_ark_macaddr_remove(struct rte_eth_dev *dev, uint32_t index)
+{
+ struct ark_adapter *ark =
+ (struct ark_adapter *)dev->data->dev_private;
+
+ if (ark->user_ext.mac_addr_remove)
+ ark->user_ext.mac_addr_remove(dev, index, ark->user_data);
+}
+
+static void
+eth_ark_set_default_mac_addr(struct rte_eth_dev *dev,
+ struct ether_addr *mac_addr)
+{
+ struct ark_adapter *ark =
+ (struct ark_adapter *)dev->data->dev_private;
+
+ if (ark->user_ext.mac_addr_set)
+ ark->user_ext.mac_addr_set(dev, mac_addr, ark->user_data);
+}
+
+static inline int
+process_pktdir_arg(const char *key, const char *value,
+ void *extra_args)
+{
+ PMD_FUNC_LOG(DEBUG, "key = %s, value = %s\n",
+ key, value);
+ struct ark_adapter *ark =
+ (struct ark_adapter *)extra_args;
+
+ ark->pkt_dir_v = strtol(value, NULL, 16);
+ PMD_FUNC_LOG(DEBUG, "pkt_dir_v = 0x%x\n", ark->pkt_dir_v);
+ return 0;
+}
+
+static inline int
+process_file_args(const char *key, const char *value, void *extra_args)
+{
+ PMD_FUNC_LOG(DEBUG, "key = %s, value = %s\n",
+ key, value);
+ char *args = (char *)extra_args;
+
+ /* Open the configuration file */
+ FILE *file = fopen(value, "r");
+ char line[ARK_MAX_ARG_LEN];
+ int size = 0;
+ int first = 1;
+
+ while (fgets(line, sizeof(line), file)) {
+ size += strlen(line);
+ if (size >= ARK_MAX_ARG_LEN) {
+ PMD_DRV_LOG(ERR, "Unable to parse file %s args, "
+ "parameter list is too long\n", value);
+ fclose(file);
+ return -1;
+ }
+ if (first) {
+ strncpy(args, line, ARK_MAX_ARG_LEN);
+ first = 0;
+ } else {
+ strncat(args, line, ARK_MAX_ARG_LEN);
+ }
+ }
+ PMD_FUNC_LOG(DEBUG, "file = %s\n", args);
+ fclose(file);
+ return 0;
+}
+
+static int
+eth_ark_check_args(struct ark_adapter *ark, const char *params)
+{
+ struct rte_kvargs *kvlist;
+ unsigned int k_idx;
+ struct rte_kvargs_pair *pair = NULL;
+ int ret = -1;
+
+ kvlist = rte_kvargs_parse(params, valid_arguments);
+ if (kvlist == NULL)
+ return 0;
+
+ ark->pkt_gen_args[0] = 0;
+ ark->pkt_chkr_args[0] = 0;
+
+ for (k_idx = 0; k_idx < kvlist->count; k_idx++) {
+ pair = &kvlist->pairs[k_idx];
+ PMD_FUNC_LOG(DEBUG, "**** Arg passed to PMD = %s:%s\n",
+ pair->key,
+ pair->value);
+ }
+
+ if (rte_kvargs_process(kvlist,
+ ARK_PKTDIR_ARG,
+ &process_pktdir_arg,
+ ark) != 0) {
+ PMD_DRV_LOG(ERR, "Unable to parse arg %s\n", ARK_PKTDIR_ARG);
+ goto free_kvlist;
+ }
+
+ if (rte_kvargs_process(kvlist,
+ ARK_PKTGEN_ARG,
+ &process_file_args,
+ ark->pkt_gen_args) != 0) {
+ PMD_DRV_LOG(ERR, "Unable to parse arg %s\n", ARK_PKTGEN_ARG);
+ goto free_kvlist;
+ }
+
+ if (rte_kvargs_process(kvlist,
+ ARK_PKTCHKR_ARG,
+ &process_file_args,
+ ark->pkt_chkr_args) != 0) {
+ PMD_DRV_LOG(ERR, "Unable to parse arg %s\n", ARK_PKTCHKR_ARG);
+ goto free_kvlist;
+ }
+
+ PMD_DRV_LOG(INFO, "packet director set to 0x%x\n", ark->pkt_dir_v);
+ /* Setup the packet director */
+ ark_pktdir_setup(ark->pd, ark->pkt_dir_v);
+
+ /* Setup the packet generator */
+ if (ark->pkt_gen_args[0]) {
+ PMD_DRV_LOG(INFO, "Setting up the packet generator\n");
+ ark_pktgen_parse(ark->pkt_gen_args);
+ ark_pktgen_reset(ark->pg);
+ ark_pktgen_setup(ark->pg);
+ ark->start_pg = 1;
+ }
+
+ /* Setup the packet checker */
+ if (ark->pkt_chkr_args[0]) {
+ ark_pktchkr_parse(ark->pkt_chkr_args);
+ ark_pktchkr_setup(ark->pc);
+ }
+
+ ret = 0;
+
+free_kvlist:
+ rte_kvargs_free(kvlist);
+
+ return ret;
+}
+
+RTE_PMD_REGISTER_PCI(net_ark, rte_ark_pmd);
+RTE_PMD_REGISTER_KMOD_DEP(net_ark, "* igb_uio | uio_pci_generic ");
+RTE_PMD_REGISTER_PCI_TABLE(net_ark, pci_id_ark_map);
+RTE_PMD_REGISTER_PARAM_STRING(net_ark,
+ ARK_PKTGEN_ARG "=<filename> "
+ ARK_PKTCHKR_ARG "=<filename> "
+ ARK_PKTDIR_ARG "=<bitmap>");
Code Review / deb_dpdk.git / blobdiff