diff options
Diffstat (limited to 'drivers/net/octeontx/octeontx_ethdev.c')
| -rw-r--r-- | drivers/net/octeontx/octeontx_ethdev.c | 1333 |
1 files changed, 1333 insertions, 0 deletions
diff --git a/drivers/net/octeontx/octeontx_ethdev.c b/drivers/net/octeontx/octeontx_ethdev.c new file mode 100644 index 00000000..bd24ec33 --- /dev/null +++ b/drivers/net/octeontx/octeontx_ethdev.c @@ -0,0 +1,1333 @@ +/* + * BSD LICENSE + * + * Copyright (C) Cavium Inc. 2017. 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 Cavium networks 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 <stdio.h> +#include <stdarg.h> +#include <stdbool.h> +#include <stdint.h> +#include <string.h> +#include <unistd.h> + +#include <rte_alarm.h> +#include <rte_branch_prediction.h> +#include <rte_debug.h> +#include <rte_devargs.h> +#include <rte_dev.h> +#include <rte_kvargs.h> +#include <rte_malloc.h> +#include <rte_prefetch.h> +#include <rte_bus_vdev.h> + +#include "octeontx_ethdev.h" +#include "octeontx_rxtx.h" +#include "octeontx_logs.h" + +struct octeontx_vdev_init_params { + uint8_t nr_port; +}; + +enum octeontx_link_speed { + OCTEONTX_LINK_SPEED_SGMII, + OCTEONTX_LINK_SPEED_XAUI, + OCTEONTX_LINK_SPEED_RXAUI, + OCTEONTX_LINK_SPEED_10G_R, + OCTEONTX_LINK_SPEED_40G_R, + OCTEONTX_LINK_SPEED_RESERVE1, + OCTEONTX_LINK_SPEED_QSGMII, + OCTEONTX_LINK_SPEED_RESERVE2 +}; + +/* Parse integer from integer argument */ +static int +parse_integer_arg(const char *key __rte_unused, + const char *value, void *extra_args) +{ + int *i = (int *)extra_args; + + *i = atoi(value); + if (*i < 0) { + octeontx_log_err("argument has to be positive."); + return -1; + } + + return 0; +} + +static int +octeontx_parse_vdev_init_params(struct octeontx_vdev_init_params *params, + struct rte_vdev_device *dev) +{ + struct rte_kvargs *kvlist = NULL; + int ret = 0; + + static const char * const octeontx_vdev_valid_params[] = { + OCTEONTX_VDEV_NR_PORT_ARG, + NULL + }; + + const char *input_args = rte_vdev_device_args(dev); + if (params == NULL) + return -EINVAL; + + + if (input_args) { + kvlist = rte_kvargs_parse(input_args, + octeontx_vdev_valid_params); + if (kvlist == NULL) + return -1; + + ret = rte_kvargs_process(kvlist, + OCTEONTX_VDEV_NR_PORT_ARG, + &parse_integer_arg, + ¶ms->nr_port); + if (ret < 0) + goto free_kvlist; + } + +free_kvlist: + rte_kvargs_free(kvlist); + return ret; +} + +static int +octeontx_port_open(struct octeontx_nic *nic) +{ + octeontx_mbox_bgx_port_conf_t bgx_port_conf; + int res; + + res = 0; + + PMD_INIT_FUNC_TRACE(); + + res = octeontx_bgx_port_open(nic->port_id, &bgx_port_conf); + if (res < 0) { + octeontx_log_err("failed to open port %d", res); + return res; + } + + nic->node = bgx_port_conf.node; + nic->port_ena = bgx_port_conf.enable; + nic->base_ichan = bgx_port_conf.base_chan; + nic->base_ochan = bgx_port_conf.base_chan; + nic->num_ichans = bgx_port_conf.num_chans; + nic->num_ochans = bgx_port_conf.num_chans; + nic->mtu = bgx_port_conf.mtu; + nic->bpen = bgx_port_conf.bpen; + nic->fcs_strip = bgx_port_conf.fcs_strip; + nic->bcast_mode = bgx_port_conf.bcast_mode; + nic->mcast_mode = bgx_port_conf.mcast_mode; + nic->speed = bgx_port_conf.mode; + + memcpy(&nic->mac_addr[0], &bgx_port_conf.macaddr[0], ETHER_ADDR_LEN); + + octeontx_log_dbg("port opened %d", nic->port_id); + return res; +} + +static void +octeontx_port_close(struct octeontx_nic *nic) +{ + PMD_INIT_FUNC_TRACE(); + + octeontx_bgx_port_close(nic->port_id); + octeontx_log_dbg("port closed %d", nic->port_id); +} + +static int +octeontx_port_start(struct octeontx_nic *nic) +{ + PMD_INIT_FUNC_TRACE(); + + return octeontx_bgx_port_start(nic->port_id); +} + +static int +octeontx_port_stop(struct octeontx_nic *nic) +{ + PMD_INIT_FUNC_TRACE(); + + return octeontx_bgx_port_stop(nic->port_id); +} + +static void +octeontx_port_promisc_set(struct octeontx_nic *nic, int en) +{ + struct rte_eth_dev *dev; + int res; + + res = 0; + PMD_INIT_FUNC_TRACE(); + dev = nic->dev; + + res = octeontx_bgx_port_promisc_set(nic->port_id, en); + if (res < 0) + octeontx_log_err("failed to set promiscuous mode %d", + nic->port_id); + + /* Set proper flag for the mode */ + dev->data->promiscuous = (en != 0) ? 1 : 0; + + octeontx_log_dbg("port %d : promiscuous mode %s", + nic->port_id, en ? "set" : "unset"); +} + +static int +octeontx_port_stats(struct octeontx_nic *nic, struct rte_eth_stats *stats) +{ + octeontx_mbox_bgx_port_stats_t bgx_stats; + int res; + + PMD_INIT_FUNC_TRACE(); + + res = octeontx_bgx_port_stats(nic->port_id, &bgx_stats); + if (res < 0) { + octeontx_log_err("failed to get port stats %d", nic->port_id); + return res; + } + + stats->ipackets = bgx_stats.rx_packets; + stats->ibytes = bgx_stats.rx_bytes; + stats->imissed = bgx_stats.rx_dropped; + stats->ierrors = bgx_stats.rx_errors; + stats->opackets = bgx_stats.tx_packets; + stats->obytes = bgx_stats.tx_bytes; + stats->oerrors = bgx_stats.tx_errors; + + octeontx_log_dbg("port%d stats inpkts=%" PRIx64 " outpkts=%" PRIx64 "", + nic->port_id, stats->ipackets, stats->opackets); + + return 0; +} + +static void +octeontx_port_stats_clr(struct octeontx_nic *nic) +{ + PMD_INIT_FUNC_TRACE(); + + octeontx_bgx_port_stats_clr(nic->port_id); +} + +static inline void +devconf_set_default_sane_values(struct rte_event_dev_config *dev_conf, + struct rte_event_dev_info *info) +{ + memset(dev_conf, 0, sizeof(struct rte_event_dev_config)); + dev_conf->dequeue_timeout_ns = info->min_dequeue_timeout_ns; + + dev_conf->nb_event_ports = info->max_event_ports; + dev_conf->nb_event_queues = info->max_event_queues; + + dev_conf->nb_event_queue_flows = info->max_event_queue_flows; + dev_conf->nb_event_port_dequeue_depth = + info->max_event_port_dequeue_depth; + dev_conf->nb_event_port_enqueue_depth = + info->max_event_port_enqueue_depth; + dev_conf->nb_event_port_enqueue_depth = + info->max_event_port_enqueue_depth; + dev_conf->nb_events_limit = + info->max_num_events; +} + +static int +octeontx_dev_configure(struct rte_eth_dev *dev) +{ + struct rte_eth_dev_data *data = dev->data; + struct rte_eth_conf *conf = &data->dev_conf; + struct rte_eth_rxmode *rxmode = &conf->rxmode; + struct rte_eth_txmode *txmode = &conf->txmode; + struct octeontx_nic *nic = octeontx_pmd_priv(dev); + int ret; + + PMD_INIT_FUNC_TRACE(); + RTE_SET_USED(conf); + + if (!rte_eal_has_hugepages()) { + octeontx_log_err("huge page is not configured"); + return -EINVAL; + } + + if (txmode->mq_mode) { + octeontx_log_err("tx mq_mode DCB or VMDq not supported"); + return -EINVAL; + } + + if (rxmode->mq_mode != ETH_MQ_RX_NONE && + rxmode->mq_mode != ETH_MQ_RX_RSS) { + octeontx_log_err("unsupported rx qmode %d", rxmode->mq_mode); + return -EINVAL; + } + + if (!rxmode->hw_strip_crc) { + PMD_INIT_LOG(NOTICE, "can't disable hw crc strip"); + rxmode->hw_strip_crc = 1; + } + + if (rxmode->hw_ip_checksum) { + PMD_INIT_LOG(NOTICE, "rxcksum not supported"); + rxmode->hw_ip_checksum = 0; + } + + if (rxmode->split_hdr_size) { + octeontx_log_err("rxmode does not support split header"); + return -EINVAL; + } + + if (rxmode->hw_vlan_filter) { + octeontx_log_err("VLAN filter not supported"); + return -EINVAL; + } + + if (rxmode->hw_vlan_extend) { + octeontx_log_err("VLAN extended not supported"); + return -EINVAL; + } + + if (rxmode->enable_lro) { + octeontx_log_err("LRO not supported"); + return -EINVAL; + } + + if (conf->link_speeds & ETH_LINK_SPEED_FIXED) { + octeontx_log_err("setting link speed/duplex not supported"); + return -EINVAL; + } + + if (conf->dcb_capability_en) { + octeontx_log_err("DCB enable not supported"); + return -EINVAL; + } + + if (conf->fdir_conf.mode != RTE_FDIR_MODE_NONE) { + octeontx_log_err("flow director not supported"); + return -EINVAL; + } + + nic->num_tx_queues = dev->data->nb_tx_queues; + + ret = octeontx_pko_channel_open(nic->port_id * PKO_VF_NUM_DQ, + nic->num_tx_queues, + nic->base_ochan); + if (ret) { + octeontx_log_err("failed to open channel %d no-of-txq %d", + nic->base_ochan, nic->num_tx_queues); + return -EFAULT; + } + + nic->pki.classifier_enable = false; + nic->pki.hash_enable = true; + nic->pki.initialized = false; + + return 0; +} + +static void +octeontx_dev_close(struct rte_eth_dev *dev) +{ + struct octeontx_txq *txq = NULL; + struct octeontx_nic *nic = octeontx_pmd_priv(dev); + unsigned int i; + int ret; + + PMD_INIT_FUNC_TRACE(); + + rte_event_dev_close(nic->evdev); + + ret = octeontx_pko_channel_close(nic->base_ochan); + if (ret < 0) { + octeontx_log_err("failed to close channel %d VF%d %d %d", + nic->base_ochan, nic->port_id, nic->num_tx_queues, + ret); + } + /* Free txq resources for this port */ + for (i = 0; i < nic->num_tx_queues; i++) { + txq = dev->data->tx_queues[i]; + if (!txq) + continue; + + rte_free(txq); + } +} + +static int +octeontx_dev_start(struct rte_eth_dev *dev) +{ + struct octeontx_nic *nic = octeontx_pmd_priv(dev); + int ret; + + ret = 0; + + PMD_INIT_FUNC_TRACE(); + /* + * Tx start + */ + dev->tx_pkt_burst = octeontx_xmit_pkts; + ret = octeontx_pko_channel_start(nic->base_ochan); + if (ret < 0) { + octeontx_log_err("fail to conf VF%d no. txq %d chan %d ret %d", + nic->port_id, nic->num_tx_queues, nic->base_ochan, + ret); + goto error; + } + + /* + * Rx start + */ + dev->rx_pkt_burst = octeontx_recv_pkts; + ret = octeontx_pki_port_start(nic->port_id); + if (ret < 0) { + octeontx_log_err("fail to start Rx on port %d", nic->port_id); + goto channel_stop_error; + } + + /* + * Start port + */ + ret = octeontx_port_start(nic); + if (ret < 0) { + octeontx_log_err("failed start port %d", ret); + goto pki_port_stop_error; + } + + PMD_TX_LOG(DEBUG, "pko: start channel %d no.of txq %d port %d", + nic->base_ochan, nic->num_tx_queues, nic->port_id); + + ret = rte_event_dev_start(nic->evdev); + if (ret < 0) { + octeontx_log_err("failed to start evdev: ret (%d)", ret); + goto pki_port_stop_error; + } + + /* Success */ + return ret; + +pki_port_stop_error: + octeontx_pki_port_stop(nic->port_id); +channel_stop_error: + octeontx_pko_channel_stop(nic->base_ochan); +error: + return ret; +} + +static void +octeontx_dev_stop(struct rte_eth_dev *dev) +{ + struct octeontx_nic *nic = octeontx_pmd_priv(dev); + int ret; + + PMD_INIT_FUNC_TRACE(); + + rte_event_dev_stop(nic->evdev); + + ret = octeontx_port_stop(nic); + if (ret < 0) { + octeontx_log_err("failed to req stop port %d res=%d", + nic->port_id, ret); + return; + } + + ret = octeontx_pki_port_stop(nic->port_id); + if (ret < 0) { + octeontx_log_err("failed to stop pki port %d res=%d", + nic->port_id, ret); + return; + } + + ret = octeontx_pko_channel_stop(nic->base_ochan); + if (ret < 0) { + octeontx_log_err("failed to stop channel %d VF%d %d %d", + nic->base_ochan, nic->port_id, nic->num_tx_queues, + ret); + return; + } + + dev->tx_pkt_burst = NULL; + dev->rx_pkt_burst = NULL; +} + +static void +octeontx_dev_promisc_enable(struct rte_eth_dev *dev) +{ + struct octeontx_nic *nic = octeontx_pmd_priv(dev); + + PMD_INIT_FUNC_TRACE(); + octeontx_port_promisc_set(nic, 1); +} + +static void +octeontx_dev_promisc_disable(struct rte_eth_dev *dev) +{ + struct octeontx_nic *nic = octeontx_pmd_priv(dev); + + PMD_INIT_FUNC_TRACE(); + octeontx_port_promisc_set(nic, 0); +} + +static inline int +octeontx_atomic_write_link_status(struct rte_eth_dev *dev, + struct rte_eth_link *link) +{ + struct rte_eth_link *dst = &dev->data->dev_link; + struct rte_eth_link *src = link; + + if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst, + *(uint64_t *)src) == 0) + return -1; + + return 0; +} + +static int +octeontx_port_link_status(struct octeontx_nic *nic) +{ + int res; + + PMD_INIT_FUNC_TRACE(); + res = octeontx_bgx_port_link_status(nic->port_id); + if (res < 0) { + octeontx_log_err("failed to get port %d link status", + nic->port_id); + return res; + } + + nic->link_up = (uint8_t)res; + octeontx_log_dbg("port %d link status %d", nic->port_id, nic->link_up); + + return res; +} + +/* + * Return 0 means link status changed, -1 means not changed + */ +static int +octeontx_dev_link_update(struct rte_eth_dev *dev, + int wait_to_complete __rte_unused) +{ + struct octeontx_nic *nic = octeontx_pmd_priv(dev); + struct rte_eth_link link; + int res; + + res = 0; + PMD_INIT_FUNC_TRACE(); + + res = octeontx_port_link_status(nic); + if (res < 0) { + octeontx_log_err("failed to request link status %d", res); + return res; + } + + link.link_status = nic->link_up; + + switch (nic->speed) { + case OCTEONTX_LINK_SPEED_SGMII: + link.link_speed = ETH_SPEED_NUM_1G; + break; + + case OCTEONTX_LINK_SPEED_XAUI: + link.link_speed = ETH_SPEED_NUM_10G; + break; + + case OCTEONTX_LINK_SPEED_RXAUI: + case OCTEONTX_LINK_SPEED_10G_R: + link.link_speed = ETH_SPEED_NUM_10G; + break; + case OCTEONTX_LINK_SPEED_QSGMII: + link.link_speed = ETH_SPEED_NUM_5G; + break; + case OCTEONTX_LINK_SPEED_40G_R: + link.link_speed = ETH_SPEED_NUM_40G; + break; + + case OCTEONTX_LINK_SPEED_RESERVE1: + case OCTEONTX_LINK_SPEED_RESERVE2: + default: + octeontx_log_err("incorrect link speed %d", nic->speed); + break; + } + + link.link_duplex = ETH_LINK_AUTONEG; + link.link_autoneg = ETH_LINK_SPEED_AUTONEG; + + return octeontx_atomic_write_link_status(dev, &link); +} + +static int +octeontx_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats) +{ + struct octeontx_nic *nic = octeontx_pmd_priv(dev); + + PMD_INIT_FUNC_TRACE(); + return octeontx_port_stats(nic, stats); +} + +static void +octeontx_dev_stats_reset(struct rte_eth_dev *dev) +{ + struct octeontx_nic *nic = octeontx_pmd_priv(dev); + + PMD_INIT_FUNC_TRACE(); + octeontx_port_stats_clr(nic); +} + +static void +octeontx_dev_default_mac_addr_set(struct rte_eth_dev *dev, + struct ether_addr *addr) +{ + struct octeontx_nic *nic = octeontx_pmd_priv(dev); + int ret; + + ret = octeontx_bgx_port_mac_set(nic->port_id, addr->addr_bytes); + if (ret != 0) + octeontx_log_err("failed to set MAC address on port %d", + nic->port_id); +} + +static void +octeontx_dev_info(struct rte_eth_dev *dev, + struct rte_eth_dev_info *dev_info) +{ + RTE_SET_USED(dev); + + /* Autonegotiation may be disabled */ + dev_info->speed_capa = ETH_LINK_SPEED_FIXED; + dev_info->speed_capa |= ETH_LINK_SPEED_10M | ETH_LINK_SPEED_100M | + ETH_LINK_SPEED_1G | ETH_LINK_SPEED_10G | + ETH_LINK_SPEED_40G; + + dev_info->driver_name = RTE_STR(rte_octeontx_pmd); + dev_info->max_mac_addrs = 1; + dev_info->max_rx_pktlen = PKI_MAX_PKTLEN; + dev_info->max_rx_queues = 1; + dev_info->max_tx_queues = PKO_MAX_NUM_DQ; + dev_info->min_rx_bufsize = 0; + dev_info->pci_dev = NULL; + + dev_info->default_rxconf = (struct rte_eth_rxconf) { + .rx_free_thresh = 0, + .rx_drop_en = 0, + }; + + dev_info->default_txconf = (struct rte_eth_txconf) { + .tx_free_thresh = 0, + .txq_flags = + ETH_TXQ_FLAGS_NOMULTSEGS | + ETH_TXQ_FLAGS_NOOFFLOADS | + ETH_TXQ_FLAGS_NOXSUMS, + }; + + dev_info->tx_offload_capa = DEV_TX_OFFLOAD_MT_LOCKFREE; +} + +static void +octeontx_dq_info_getter(octeontx_dq_t *dq, void *out) +{ + ((octeontx_dq_t *)out)->lmtline_va = dq->lmtline_va; + ((octeontx_dq_t *)out)->ioreg_va = dq->ioreg_va; + ((octeontx_dq_t *)out)->fc_status_va = dq->fc_status_va; +} + +static int +octeontx_vf_start_tx_queue(struct rte_eth_dev *dev, struct octeontx_nic *nic, + uint16_t qidx) +{ + struct octeontx_txq *txq; + int res; + + PMD_INIT_FUNC_TRACE(); + + if (dev->data->tx_queue_state[qidx] == RTE_ETH_QUEUE_STATE_STARTED) + return 0; + + txq = dev->data->tx_queues[qidx]; + + res = octeontx_pko_channel_query_dqs(nic->base_ochan, + &txq->dq, + sizeof(octeontx_dq_t), + txq->queue_id, + octeontx_dq_info_getter); + if (res < 0) { + res = -EFAULT; + goto close_port; + } + + dev->data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STARTED; + return res; + +close_port: + (void)octeontx_port_stop(nic); + octeontx_pko_channel_stop(nic->base_ochan); + octeontx_pko_channel_close(nic->base_ochan); + dev->data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED; + return res; +} + +static int +octeontx_dev_tx_queue_start(struct rte_eth_dev *dev, uint16_t qidx) +{ + struct octeontx_nic *nic = octeontx_pmd_priv(dev); + + PMD_INIT_FUNC_TRACE(); + qidx = qidx % PKO_VF_NUM_DQ; + return octeontx_vf_start_tx_queue(dev, nic, qidx); +} + +static inline int +octeontx_vf_stop_tx_queue(struct rte_eth_dev *dev, struct octeontx_nic *nic, + uint16_t qidx) +{ + int ret = 0; + + RTE_SET_USED(nic); + PMD_INIT_FUNC_TRACE(); + + if (dev->data->tx_queue_state[qidx] == RTE_ETH_QUEUE_STATE_STOPPED) + return 0; + + dev->data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED; + return ret; +} + +static int +octeontx_dev_tx_queue_stop(struct rte_eth_dev *dev, uint16_t qidx) +{ + struct octeontx_nic *nic = octeontx_pmd_priv(dev); + + PMD_INIT_FUNC_TRACE(); + qidx = qidx % PKO_VF_NUM_DQ; + + return octeontx_vf_stop_tx_queue(dev, nic, qidx); +} + +static void +octeontx_dev_tx_queue_release(void *tx_queue) +{ + struct octeontx_txq *txq = tx_queue; + int res; + + PMD_INIT_FUNC_TRACE(); + + if (txq) { + res = octeontx_dev_tx_queue_stop(txq->eth_dev, txq->queue_id); + if (res < 0) + octeontx_log_err("failed stop tx_queue(%d)\n", + txq->queue_id); + + rte_free(txq); + } +} + +static int +octeontx_dev_tx_queue_setup(struct rte_eth_dev *dev, uint16_t qidx, + uint16_t nb_desc, unsigned int socket_id, + const struct rte_eth_txconf *tx_conf) +{ + struct octeontx_nic *nic = octeontx_pmd_priv(dev); + struct octeontx_txq *txq = NULL; + uint16_t dq_num; + int res = 0; + + RTE_SET_USED(nb_desc); + RTE_SET_USED(socket_id); + RTE_SET_USED(tx_conf); + + dq_num = (nic->port_id * PKO_VF_NUM_DQ) + qidx; + + /* Socket id check */ + if (socket_id != (unsigned int)SOCKET_ID_ANY && + socket_id != (unsigned int)nic->node) + PMD_TX_LOG(INFO, "socket_id expected %d, configured %d", + socket_id, nic->node); + + /* Free memory prior to re-allocation if needed. */ + if (dev->data->tx_queues[qidx] != NULL) { + PMD_TX_LOG(DEBUG, "freeing memory prior to re-allocation %d", + qidx); + octeontx_dev_tx_queue_release(dev->data->tx_queues[qidx]); + dev->data->tx_queues[qidx] = NULL; + } + + /* Allocating tx queue data structure */ + txq = rte_zmalloc_socket("ethdev TX queue", sizeof(struct octeontx_txq), + RTE_CACHE_LINE_SIZE, nic->node); + if (txq == NULL) { + octeontx_log_err("failed to allocate txq=%d", qidx); + res = -ENOMEM; + goto err; + } + + txq->eth_dev = dev; + txq->queue_id = dq_num; + dev->data->tx_queues[qidx] = txq; + dev->data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED; + + res = octeontx_pko_channel_query_dqs(nic->base_ochan, + &txq->dq, + sizeof(octeontx_dq_t), + txq->queue_id, + octeontx_dq_info_getter); + if (res < 0) { + res = -EFAULT; + goto err; + } + + PMD_TX_LOG(DEBUG, "[%d]:[%d] txq=%p nb_desc=%d lmtline=%p ioreg_va=%p fc_status_va=%p", + qidx, txq->queue_id, txq, nb_desc, txq->dq.lmtline_va, + txq->dq.ioreg_va, + txq->dq.fc_status_va); + + return res; + +err: + if (txq) + rte_free(txq); + + return res; +} + +static int +octeontx_dev_rx_queue_setup(struct rte_eth_dev *dev, uint16_t qidx, + uint16_t nb_desc, unsigned int socket_id, + const struct rte_eth_rxconf *rx_conf, + struct rte_mempool *mb_pool) +{ + struct octeontx_nic *nic = octeontx_pmd_priv(dev); + struct rte_mempool_ops *mp_ops = NULL; + struct octeontx_rxq *rxq = NULL; + pki_pktbuf_cfg_t pktbuf_conf; + pki_hash_cfg_t pki_hash; + pki_qos_cfg_t pki_qos; + uintptr_t pool; + int ret, port; + uint8_t gaura; + unsigned int ev_queues = (nic->ev_queues * nic->port_id) + qidx; + unsigned int ev_ports = (nic->ev_ports * nic->port_id) + qidx; + + RTE_SET_USED(nb_desc); + + memset(&pktbuf_conf, 0, sizeof(pktbuf_conf)); + memset(&pki_hash, 0, sizeof(pki_hash)); + memset(&pki_qos, 0, sizeof(pki_qos)); + + mp_ops = rte_mempool_get_ops(mb_pool->ops_index); + if (strcmp(mp_ops->name, "octeontx_fpavf")) { + octeontx_log_err("failed to find octeontx_fpavf mempool"); + return -ENOTSUP; + } + + /* Handle forbidden configurations */ + if (nic->pki.classifier_enable) { + octeontx_log_err("cannot setup queue %d. " + "Classifier option unsupported", qidx); + return -EINVAL; + } + + port = nic->port_id; + + /* Rx deferred start is not supported */ + if (rx_conf->rx_deferred_start) { + octeontx_log_err("rx deferred start not supported"); + return -EINVAL; + } + + /* Verify queue index */ + if (qidx >= dev->data->nb_rx_queues) { + octeontx_log_err("QID %d not supporteded (0 - %d available)\n", + qidx, (dev->data->nb_rx_queues - 1)); + return -ENOTSUP; + } + + /* Socket id check */ + if (socket_id != (unsigned int)SOCKET_ID_ANY && + socket_id != (unsigned int)nic->node) + PMD_RX_LOG(INFO, "socket_id expected %d, configured %d", + socket_id, nic->node); + + /* Allocating rx queue data structure */ + rxq = rte_zmalloc_socket("ethdev RX queue", sizeof(struct octeontx_rxq), + RTE_CACHE_LINE_SIZE, nic->node); + if (rxq == NULL) { + octeontx_log_err("failed to allocate rxq=%d", qidx); + return -ENOMEM; + } + + if (!nic->pki.initialized) { + pktbuf_conf.port_type = 0; + pki_hash.port_type = 0; + pki_qos.port_type = 0; + + pktbuf_conf.mmask.f_wqe_skip = 1; + pktbuf_conf.mmask.f_first_skip = 1; + pktbuf_conf.mmask.f_later_skip = 1; + pktbuf_conf.mmask.f_mbuff_size = 1; + pktbuf_conf.mmask.f_cache_mode = 1; + + pktbuf_conf.wqe_skip = OCTTX_PACKET_WQE_SKIP; + pktbuf_conf.first_skip = OCTTX_PACKET_FIRST_SKIP; + pktbuf_conf.later_skip = OCTTX_PACKET_LATER_SKIP; + pktbuf_conf.mbuff_size = (mb_pool->elt_size - + RTE_PKTMBUF_HEADROOM - + sizeof(struct rte_mbuf)); + + pktbuf_conf.cache_mode = PKI_OPC_MODE_STF2_STT; + + ret = octeontx_pki_port_pktbuf_config(port, &pktbuf_conf); + if (ret != 0) { + octeontx_log_err("fail to configure pktbuf for port %d", + port); + rte_free(rxq); + return ret; + } + PMD_RX_LOG(DEBUG, "Port %d Rx pktbuf configured:\n" + "\tmbuf_size:\t0x%0x\n" + "\twqe_skip:\t0x%0x\n" + "\tfirst_skip:\t0x%0x\n" + "\tlater_skip:\t0x%0x\n" + "\tcache_mode:\t%s\n", + port, + pktbuf_conf.mbuff_size, + pktbuf_conf.wqe_skip, + pktbuf_conf.first_skip, + pktbuf_conf.later_skip, + (pktbuf_conf.cache_mode == + PKI_OPC_MODE_STT) ? + "STT" : + (pktbuf_conf.cache_mode == + PKI_OPC_MODE_STF) ? + "STF" : + (pktbuf_conf.cache_mode == + PKI_OPC_MODE_STF1_STT) ? + "STF1_STT" : "STF2_STT"); + + if (nic->pki.hash_enable) { + pki_hash.tag_dlc = 1; + pki_hash.tag_slc = 1; + pki_hash.tag_dlf = 1; + pki_hash.tag_slf = 1; + pki_hash.tag_prt = 1; + octeontx_pki_port_hash_config(port, &pki_hash); + } + + pool = (uintptr_t)mb_pool->pool_id; + + /* Get the gpool Id */ + gaura = octeontx_fpa_bufpool_gpool(pool); + + pki_qos.qpg_qos = PKI_QPG_QOS_NONE; + pki_qos.num_entry = 1; + pki_qos.drop_policy = 0; + pki_qos.tag_type = 0L; + pki_qos.qos_entry[0].port_add = 0; + pki_qos.qos_entry[0].gaura = gaura; + pki_qos.qos_entry[0].ggrp_ok = ev_queues; + pki_qos.qos_entry[0].ggrp_bad = ev_queues; + pki_qos.qos_entry[0].grptag_bad = 0; + pki_qos.qos_entry[0].grptag_ok = 0; + + ret = octeontx_pki_port_create_qos(port, &pki_qos); + if (ret < 0) { + octeontx_log_err("failed to create QOS port=%d, q=%d", + port, qidx); + rte_free(rxq); + return ret; + } + nic->pki.initialized = true; + } + + rxq->port_id = nic->port_id; + rxq->eth_dev = dev; + rxq->queue_id = qidx; + rxq->evdev = nic->evdev; + rxq->ev_queues = ev_queues; + rxq->ev_ports = ev_ports; + + dev->data->rx_queues[qidx] = rxq; + dev->data->rx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED; + return 0; +} + +static void +octeontx_dev_rx_queue_release(void *rxq) +{ + rte_free(rxq); +} + +static const uint32_t * +octeontx_dev_supported_ptypes_get(struct rte_eth_dev *dev) +{ + static const uint32_t ptypes[] = { + RTE_PTYPE_L3_IPV4, + RTE_PTYPE_L3_IPV4_EXT, + RTE_PTYPE_L3_IPV6, + RTE_PTYPE_L3_IPV6_EXT, + RTE_PTYPE_L4_TCP, + RTE_PTYPE_L4_UDP, + RTE_PTYPE_L4_FRAG, + RTE_PTYPE_UNKNOWN + }; + + if (dev->rx_pkt_burst == octeontx_recv_pkts) + return ptypes; + + return NULL; +} + +/* Initialize and register driver with DPDK Application */ +static const struct eth_dev_ops octeontx_dev_ops = { + .dev_configure = octeontx_dev_configure, + .dev_infos_get = octeontx_dev_info, + .dev_close = octeontx_dev_close, + .dev_start = octeontx_dev_start, + .dev_stop = octeontx_dev_stop, + .promiscuous_enable = octeontx_dev_promisc_enable, + .promiscuous_disable = octeontx_dev_promisc_disable, + .link_update = octeontx_dev_link_update, + .stats_get = octeontx_dev_stats_get, + .stats_reset = octeontx_dev_stats_reset, + .mac_addr_set = octeontx_dev_default_mac_addr_set, + .tx_queue_start = octeontx_dev_tx_queue_start, + .tx_queue_stop = octeontx_dev_tx_queue_stop, + .tx_queue_setup = octeontx_dev_tx_queue_setup, + .tx_queue_release = octeontx_dev_tx_queue_release, + .rx_queue_setup = octeontx_dev_rx_queue_setup, + .rx_queue_release = octeontx_dev_rx_queue_release, + .dev_supported_ptypes_get = octeontx_dev_supported_ptypes_get, +}; + +/* Create Ethdev interface per BGX LMAC ports */ +static int +octeontx_create(struct rte_vdev_device *dev, int port, uint8_t evdev, + int socket_id) +{ + int res; + char octtx_name[OCTEONTX_MAX_NAME_LEN]; + struct octeontx_nic *nic = NULL; + struct rte_eth_dev *eth_dev = NULL; + struct rte_eth_dev_data *data = NULL; + const char *name = rte_vdev_device_name(dev); + + PMD_INIT_FUNC_TRACE(); + + sprintf(octtx_name, "%s_%d", name, port); + if (rte_eal_process_type() != RTE_PROC_PRIMARY) { + eth_dev = rte_eth_dev_attach_secondary(octtx_name); + if (eth_dev == NULL) + return -ENODEV; + + eth_dev->tx_pkt_burst = octeontx_xmit_pkts; + eth_dev->rx_pkt_burst = octeontx_recv_pkts; + return 0; + } + + data = rte_zmalloc_socket(octtx_name, sizeof(*data), 0, socket_id); + if (data == NULL) { + octeontx_log_err("failed to allocate devdata"); + res = -ENOMEM; + goto err; + } + + nic = rte_zmalloc_socket(octtx_name, sizeof(*nic), 0, socket_id); + if (nic == NULL) { + octeontx_log_err("failed to allocate nic structure"); + res = -ENOMEM; + goto err; + } + + nic->port_id = port; + nic->evdev = evdev; + + res = octeontx_port_open(nic); + if (res < 0) + goto err; + + /* Rx side port configuration */ + res = octeontx_pki_port_open(port); + if (res != 0) { + octeontx_log_err("failed to open PKI port %d", port); + res = -ENODEV; + goto err; + } + + /* Reserve an ethdev entry */ + eth_dev = rte_eth_dev_allocate(octtx_name); + if (eth_dev == NULL) { + octeontx_log_err("failed to allocate rte_eth_dev"); + res = -ENOMEM; + goto err; + } + + eth_dev->device = &dev->device; + eth_dev->intr_handle = NULL; + eth_dev->data->kdrv = RTE_KDRV_NONE; + eth_dev->data->numa_node = dev->device.numa_node; + + rte_memcpy(data, (eth_dev)->data, sizeof(*data)); + data->dev_private = nic; + + data->port_id = eth_dev->data->port_id; + snprintf(data->name, sizeof(data->name), "%s", eth_dev->data->name); + + nic->ev_queues = 1; + nic->ev_ports = 1; + + data->dev_link.link_status = ETH_LINK_DOWN; + data->dev_started = 0; + data->promiscuous = 0; + data->all_multicast = 0; + data->scattered_rx = 0; + + data->mac_addrs = rte_zmalloc_socket(octtx_name, ETHER_ADDR_LEN, 0, + socket_id); + if (data->mac_addrs == NULL) { + octeontx_log_err("failed to allocate memory for mac_addrs"); + res = -ENOMEM; + goto err; + } + + eth_dev->data = data; + eth_dev->dev_ops = &octeontx_dev_ops; + + /* Finally save ethdev pointer to the NIC structure */ + nic->dev = eth_dev; + + if (nic->port_id != data->port_id) { + octeontx_log_err("eth_dev->port_id (%d) is diff to orig (%d)", + data->port_id, nic->port_id); + res = -EINVAL; + goto err; + } + + /* Update port_id mac to eth_dev */ + memcpy(data->mac_addrs, nic->mac_addr, ETHER_ADDR_LEN); + + PMD_INIT_LOG(DEBUG, "ethdev info: "); + PMD_INIT_LOG(DEBUG, "port %d, port_ena %d ochan %d num_ochan %d tx_q %d", + nic->port_id, nic->port_ena, + nic->base_ochan, nic->num_ochans, + nic->num_tx_queues); + PMD_INIT_LOG(DEBUG, "speed %d mtu %d", nic->speed, nic->mtu); + + return data->port_id; + +err: + if (port) + octeontx_port_close(nic); + + if (eth_dev != NULL) { + rte_free(eth_dev->data->mac_addrs); + rte_free(data); + rte_free(nic); + rte_eth_dev_release_port(eth_dev); + } + + return res; +} + +/* Un initialize octeontx device */ +static int +octeontx_remove(struct rte_vdev_device *dev) +{ + char octtx_name[OCTEONTX_MAX_NAME_LEN]; + struct rte_eth_dev *eth_dev = NULL; + struct octeontx_nic *nic = NULL; + int i; + + if (dev == NULL) + return -EINVAL; + + for (i = 0; i < OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT; i++) { + sprintf(octtx_name, "eth_octeontx_%d", i); + + /* reserve an ethdev entry */ + eth_dev = rte_eth_dev_allocated(octtx_name); + if (eth_dev == NULL) + return -ENODEV; + + nic = octeontx_pmd_priv(eth_dev); + rte_event_dev_stop(nic->evdev); + PMD_INIT_LOG(INFO, "Closing octeontx device %s", octtx_name); + + rte_free(eth_dev->data->mac_addrs); + rte_free(eth_dev->data->dev_private); + rte_free(eth_dev->data); + rte_eth_dev_release_port(eth_dev); + rte_event_dev_close(nic->evdev); + } + + /* Free FC resource */ + octeontx_pko_fc_free(); + + return 0; +} + +/* Initialize octeontx device */ +static int +octeontx_probe(struct rte_vdev_device *dev) +{ + const char *dev_name; + static int probe_once; + uint8_t socket_id, qlist; + int tx_vfcnt, port_id, evdev, qnum, pnum, res, i; + struct rte_event_dev_config dev_conf; + const char *eventdev_name = "event_octeontx"; + struct rte_event_dev_info info; + + struct octeontx_vdev_init_params init_params = { + OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT + }; + + dev_name = rte_vdev_device_name(dev); + res = octeontx_parse_vdev_init_params(&init_params, dev); + if (res < 0) + return -EINVAL; + + if (init_params.nr_port > OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT) { + octeontx_log_err("nr_port (%d) > max (%d)", init_params.nr_port, + OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT); + return -ENOTSUP; + } + + PMD_INIT_LOG(DEBUG, "initializing %s pmd", dev_name); + + socket_id = rte_socket_id(); + + tx_vfcnt = octeontx_pko_vf_count(); + + if (tx_vfcnt < init_params.nr_port) { + octeontx_log_err("not enough PKO (%d) for port number (%d)", + tx_vfcnt, init_params.nr_port); + return -EINVAL; + } + evdev = rte_event_dev_get_dev_id(eventdev_name); + if (evdev < 0) { + octeontx_log_err("eventdev %s not found", eventdev_name); + return -ENODEV; + } + + res = rte_event_dev_info_get(evdev, &info); + if (res < 0) { + octeontx_log_err("failed to eventdev info %d", res); + return -EINVAL; + } + + PMD_INIT_LOG(DEBUG, "max_queue %d max_port %d", + info.max_event_queues, info.max_event_ports); + + if (octeontx_pko_init_fc(tx_vfcnt)) + return -ENOMEM; + + devconf_set_default_sane_values(&dev_conf, &info); + res = rte_event_dev_configure(evdev, &dev_conf); + if (res < 0) + goto parse_error; + + rte_event_dev_attr_get(evdev, RTE_EVENT_DEV_ATTR_PORT_COUNT, + (uint32_t *)&pnum); + rte_event_dev_attr_get(evdev, RTE_EVENT_DEV_ATTR_QUEUE_COUNT, + (uint32_t *)&qnum); + if (pnum < qnum) { + octeontx_log_err("too few event ports (%d) for event_q(%d)", + pnum, qnum); + res = -EINVAL; + goto parse_error; + } + if (pnum > qnum) { + /* + * We don't poll on event ports + * that do not have any queues assigned. + */ + pnum = qnum; + PMD_INIT_LOG(INFO, + "reducing number of active event ports to %d", pnum); + } + for (i = 0; i < qnum; i++) { + res = rte_event_queue_setup(evdev, i, NULL); + if (res < 0) { + octeontx_log_err("failed to setup event_q(%d): res %d", + i, res); + goto parse_error; + } + } + + for (i = 0; i < pnum; i++) { + res = rte_event_port_setup(evdev, i, NULL); + if (res < 0) { + res = -ENODEV; + octeontx_log_err("failed to setup ev port(%d) res=%d", + i, res); + goto parse_error; + } + /* Link one queue to one event port */ + qlist = i; + res = rte_event_port_link(evdev, i, &qlist, NULL, 1); + if (res < 0) { + res = -ENODEV; + octeontx_log_err("failed to link port (%d): res=%d", + i, res); + goto parse_error; + } + } + + /* Create ethdev interface */ + for (i = 0; i < init_params.nr_port; i++) { + port_id = octeontx_create(dev, i, evdev, socket_id); + if (port_id < 0) { + octeontx_log_err("failed to create device %s", + dev_name); + res = -ENODEV; + goto parse_error; + } + + PMD_INIT_LOG(INFO, "created ethdev %s for port %d", dev_name, + port_id); + } + + if (probe_once) { + octeontx_log_err("interface %s not supported", dev_name); + octeontx_remove(dev); + res = -ENOTSUP; + goto parse_error; + } + probe_once = 1; + + return 0; + +parse_error: + octeontx_pko_fc_free(); + return res; +} + +static struct rte_vdev_driver octeontx_pmd_drv = { + .probe = octeontx_probe, + .remove = octeontx_remove, +}; + +RTE_PMD_REGISTER_VDEV(OCTEONTX_PMD, octeontx_pmd_drv); +RTE_PMD_REGISTER_ALIAS(OCTEONTX_PMD, eth_octeontx); +RTE_PMD_REGISTER_PARAM_STRING(OCTEONTX_PMD, "nr_port=<int> "); |