diff options
Diffstat (limited to 'drivers/net/ark/ark_ethdev.c')
| -rw-r--r-- | drivers/net/ark/ark_ethdev.c | 1001 |
1 files changed, 1001 insertions, 0 deletions
diff --git a/drivers/net/ark/ark_ethdev.c b/drivers/net/ark/ark_ethdev.c new file mode 100644 index 00000000..995c93d3 --- /dev/null +++ b/drivers/net/ark/ark_ethdev.c @@ -0,0 +1,1001 @@ +/*- + * 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>"); |