--- /dev/null
+/*
+ * 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> ");
Code Review / deb_dpdk.git / blobdiff