/* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0)
* Copyright(c) 2018-2019 Pensando Systems, Inc. All rights reserved.
*/
#include <rte_pci.h>
#include <rte_bus_pci.h>
#include <rte_ethdev.h>
#include <rte_ethdev_driver.h>
#include <rte_malloc.h>
#include <rte_ethdev_pci.h>
#include "ionic_logs.h"
#include "ionic.h"
#include "ionic_dev.h"
#include "ionic_mac_api.h"
#include "ionic_lif.h"
#include "ionic_ethdev.h"
#include "ionic_rxtx.h"
static int eth_ionic_dev_init(struct rte_eth_dev *eth_dev, void *init_params);
static int eth_ionic_dev_uninit(struct rte_eth_dev *eth_dev);
static int ionic_dev_info_get(struct rte_eth_dev *eth_dev,
struct rte_eth_dev_info *dev_info);
static int ionic_dev_configure(struct rte_eth_dev *dev);
static int ionic_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu);
static int ionic_dev_start(struct rte_eth_dev *dev);
static int ionic_dev_stop(struct rte_eth_dev *dev);
static int ionic_dev_close(struct rte_eth_dev *dev);
static int ionic_dev_set_link_up(struct rte_eth_dev *dev);
static int ionic_dev_set_link_down(struct rte_eth_dev *dev);
static int ionic_dev_link_update(struct rte_eth_dev *eth_dev,
int wait_to_complete);
static int ionic_flow_ctrl_get(struct rte_eth_dev *eth_dev,
struct rte_eth_fc_conf *fc_conf);
static int ionic_flow_ctrl_set(struct rte_eth_dev *eth_dev,
struct rte_eth_fc_conf *fc_conf);
static int ionic_vlan_offload_set(struct rte_eth_dev *eth_dev, int mask);
static int ionic_dev_rss_reta_update(struct rte_eth_dev *eth_dev,
struct rte_eth_rss_reta_entry64 *reta_conf, uint16_t reta_size);
static int ionic_dev_rss_reta_query(struct rte_eth_dev *eth_dev,
struct rte_eth_rss_reta_entry64 *reta_conf, uint16_t reta_size);
static int ionic_dev_rss_hash_conf_get(struct rte_eth_dev *eth_dev,
struct rte_eth_rss_conf *rss_conf);
static int ionic_dev_rss_hash_update(struct rte_eth_dev *eth_dev,
struct rte_eth_rss_conf *rss_conf);
static int ionic_dev_stats_get(struct rte_eth_dev *eth_dev,
struct rte_eth_stats *stats);
static int ionic_dev_stats_reset(struct rte_eth_dev *eth_dev);
static int ionic_dev_xstats_get(struct rte_eth_dev *dev,
struct rte_eth_xstat *xstats, unsigned int n);
static int ionic_dev_xstats_get_by_id(struct rte_eth_dev *dev,
const uint64_t *ids, uint64_t *values, unsigned int n);
static int ionic_dev_xstats_reset(struct rte_eth_dev *dev);
static int ionic_dev_xstats_get_names(struct rte_eth_dev *dev,
struct rte_eth_xstat_name *xstats_names, unsigned int size);
static int ionic_dev_xstats_get_names_by_id(struct rte_eth_dev *dev,
struct rte_eth_xstat_name *xstats_names, const uint64_t *ids,
unsigned int limit);
static int ionic_dev_fw_version_get(struct rte_eth_dev *eth_dev,
char *fw_version, size_t fw_size);
static const struct rte_pci_id pci_id_ionic_map[] = {
{ RTE_PCI_DEVICE(IONIC_PENSANDO_VENDOR_ID, IONIC_DEV_ID_ETH_PF) },
{ RTE_PCI_DEVICE(IONIC_PENSANDO_VENDOR_ID, IONIC_DEV_ID_ETH_VF) },
{ RTE_PCI_DEVICE(IONIC_PENSANDO_VENDOR_ID, IONIC_DEV_ID_ETH_MGMT) },
{ .vendor_id = 0, /* sentinel */ },
};
static const struct rte_eth_desc_lim rx_desc_lim = {
.nb_max = IONIC_MAX_RING_DESC,
.nb_min = IONIC_MIN_RING_DESC,
.nb_align = 1,
};
static const struct rte_eth_desc_lim tx_desc_lim = {
.nb_max = IONIC_MAX_RING_DESC,
.nb_min = IONIC_MIN_RING_DESC,
.nb_align = 1,
.nb_seg_max = IONIC_TX_MAX_SG_ELEMS,
.nb_mtu_seg_max = IONIC_TX_MAX_SG_ELEMS,
};
static const struct eth_dev_ops ionic_eth_dev_ops = {
.dev_infos_get = ionic_dev_info_get,
.dev_configure = ionic_dev_configure,
.mtu_set = ionic_dev_mtu_set,
.dev_start = ionic_dev_start,
.dev_stop = ionic_dev_stop,
.dev_close = ionic_dev_close,
.link_update = ionic_dev_link_update,
.dev_set_link_up = ionic_dev_set_link_up,
.dev_set_link_down = ionic_dev_set_link_down,
.mac_addr_add = ionic_dev_add_mac,
.mac_addr_remove = ionic_dev_remove_mac,
.mac_addr_set = ionic_dev_set_mac,
.vlan_filter_set = ionic_dev_vlan_filter_set,
.promiscuous_enable = ionic_dev_promiscuous_enable,
.promiscuous_disable = ionic_dev_promiscuous_disable,
.allmulticast_enable = ionic_dev_allmulticast_enable,
.allmulticast_disable = ionic_dev_allmulticast_disable,
.flow_ctrl_get = ionic_flow_ctrl_get,
.flow_ctrl_set = ionic_flow_ctrl_set,
.rxq_info_get = ionic_rxq_info_get,
.txq_info_get = ionic_txq_info_get,
.rx_queue_setup = ionic_dev_rx_queue_setup,
.rx_queue_release = ionic_dev_rx_queue_release,
.rx_queue_start = ionic_dev_rx_queue_start,
.rx_queue_stop = ionic_dev_rx_queue_stop,
.tx_queue_setup = ionic_dev_tx_queue_setup,
.tx_queue_release = ionic_dev_tx_queue_release,
.tx_queue_start = ionic_dev_tx_queue_start,
.tx_queue_stop = ionic_dev_tx_queue_stop,
.vlan_offload_set = ionic_vlan_offload_set,
.reta_update = ionic_dev_rss_reta_update,
.reta_query = ionic_dev_rss_reta_query,
.rss_hash_conf_get = ionic_dev_rss_hash_conf_get,
.rss_hash_update = ionic_dev_rss_hash_update,
.stats_get = ionic_dev_stats_get,
.stats_reset = ionic_dev_stats_reset,
.xstats_get = ionic_dev_xstats_get,
.xstats_get_by_id = ionic_dev_xstats_get_by_id,
.xstats_reset = ionic_dev_xstats_reset,
.xstats_get_names = ionic_dev_xstats_get_names,
.xstats_get_names_by_id = ionic_dev_xstats_get_names_by_id,
.fw_version_get = ionic_dev_fw_version_get,
};
struct rte_ionic_xstats_name_off {
char name[RTE_ETH_XSTATS_NAME_SIZE];
unsigned int offset;
};
static const struct rte_ionic_xstats_name_off rte_ionic_xstats_strings[] = {
/* RX */
{"rx_ucast_bytes", offsetof(struct ionic_lif_stats,
rx_ucast_bytes)},
{"rx_ucast_packets", offsetof(struct ionic_lif_stats,
rx_ucast_packets)},
{"rx_mcast_bytes", offsetof(struct ionic_lif_stats,
rx_mcast_bytes)},
{"rx_mcast_packets", offsetof(struct ionic_lif_stats,
rx_mcast_packets)},
{"rx_bcast_bytes", offsetof(struct ionic_lif_stats,
rx_bcast_bytes)},
{"rx_bcast_packets", offsetof(struct ionic_lif_stats,
rx_bcast_packets)},
/* RX drops */
{"rx_ucast_drop_bytes", offsetof(struct ionic_lif_stats,
rx_ucast_drop_bytes)},
{"rx_ucast_drop_packets", offsetof(struct ionic_lif_stats,
rx_ucast_drop_packets)},
{"rx_mcast_drop_bytes", offsetof(struct ionic_lif_stats,
rx_mcast_drop_bytes)},
{"rx_mcast_drop_packets", offsetof(struct ionic_lif_stats,
rx_mcast_drop_packets)},
{"rx_bcast_drop_bytes", offsetof(struct ionic_lif_stats,
rx_bcast_drop_bytes)},
{"rx_bcast_drop_packets", offsetof(struct ionic_lif_stats,
rx_bcast_drop_packets)},
{"rx_dma_error", offsetof(struct ionic_lif_stats,
rx_dma_error)},
/* TX */
{"tx_ucast_bytes", offsetof(struct ionic_lif_stats,
tx_ucast_bytes)},
{"tx_ucast_packets", offsetof(struct ionic_lif_stats,
tx_ucast_packets)},
{"tx_mcast_bytes", offsetof(struct ionic_lif_stats,
tx_mcast_bytes)},
{"tx_mcast_packets", offsetof(struct ionic_lif_stats,
tx_mcast_packets)},
{"tx_bcast_bytes", offsetof(struct ionic_lif_stats,
tx_bcast_bytes)},
{"tx_bcast_packets", offsetof(struct ionic_lif_stats,
tx_bcast_packets)},
/* TX drops */
{"tx_ucast_drop_bytes", offsetof(struct ionic_lif_stats,
tx_ucast_drop_bytes)},
{"tx_ucast_drop_packets", offsetof(struct ionic_lif_stats,
tx_ucast_drop_packets)},
{"tx_mcast_drop_bytes", offsetof(struct ionic_lif_stats,
tx_mcast_drop_bytes)},
{"tx_mcast_drop_packets", offsetof(struct ionic_lif_stats,
tx_mcast_drop_packets)},
{"tx_bcast_drop_bytes", offsetof(struct ionic_lif_stats,
tx_bcast_drop_bytes)},
{"tx_bcast_drop_packets", offsetof(struct ionic_lif_stats,
tx_bcast_drop_packets)},
{"tx_dma_error", offsetof(struct ionic_lif_stats,
tx_dma_error)},
/* Rx Queue/Ring drops */
{"rx_queue_disabled", offsetof(struct ionic_lif_stats,
rx_queue_disabled)},
{"rx_queue_empty", offsetof(struct ionic_lif_stats,
rx_queue_empty)},
{"rx_queue_error", offsetof(struct ionic_lif_stats,
rx_queue_error)},
{"rx_desc_fetch_error", offsetof(struct ionic_lif_stats,
rx_desc_fetch_error)},
{"rx_desc_data_error", offsetof(struct ionic_lif_stats,
rx_desc_data_error)},
/* Tx Queue/Ring drops */
{"tx_queue_disabled", offsetof(struct ionic_lif_stats,
tx_queue_disabled)},
{"tx_queue_error", offsetof(struct ionic_lif_stats,
tx_queue_error)},
{"tx_desc_fetch_error", offsetof(struct ionic_lif_stats,
tx_desc_fetch_error)},
{"tx_desc_data_error", offsetof(struct ionic_lif_stats,
tx_desc_data_error)},
};
#define IONIC_NB_HW_STATS (sizeof(rte_ionic_xstats_strings) / \
sizeof(rte_ionic_xstats_strings[0]))
static int
ionic_dev_fw_version_get(struct rte_eth_dev *eth_dev,
char *fw_version, size_t fw_size)
{
struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
struct ionic_adapter *adapter = lif->adapter;
if (fw_version == NULL || fw_size <= 0)
return -EINVAL;
snprintf(fw_version, fw_size, "%s",
adapter->fw_version);
fw_version[fw_size - 1] = '\0';
return 0;
}
/*
* Set device link up, enable tx.
*/
static int
ionic_dev_set_link_up(struct rte_eth_dev *eth_dev)
{
struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
struct ionic_adapter *adapter = lif->adapter;
struct ionic_dev *idev = &adapter->idev;
int err;
IONIC_PRINT_CALL();
ionic_dev_cmd_port_state(idev, IONIC_PORT_ADMIN_STATE_UP);
err = ionic_dev_cmd_wait_check(idev, IONIC_DEVCMD_TIMEOUT);
if (err) {
IONIC_PRINT(WARNING, "Failed to bring port UP");
return err;
}
return 0;
}
/*
* Set device link down, disable tx.
*/
static int
ionic_dev_set_link_down(struct rte_eth_dev *eth_dev)
{
struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
struct ionic_adapter *adapter = lif->adapter;
struct ionic_dev *idev = &adapter->idev;
int err;
IONIC_PRINT_CALL();
ionic_dev_cmd_port_state(idev, IONIC_PORT_ADMIN_STATE_DOWN);
err = ionic_dev_cmd_wait_check(idev, IONIC_DEVCMD_TIMEOUT);
if (err) {
IONIC_PRINT(WARNING, "Failed to bring port DOWN");
return err;
}
return 0;
}
static int
ionic_dev_link_update(struct rte_eth_dev *eth_dev,
int wait_to_complete __rte_unused)
{
struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
struct ionic_adapter *adapter = lif->adapter;
struct rte_eth_link link;
IONIC_PRINT_CALL();
/* Initialize */
memset(&link, 0, sizeof(link));
link.link_autoneg = ETH_LINK_AUTONEG;
if (!adapter->link_up) {
/* Interface is down */
link.link_status = ETH_LINK_DOWN;
link.link_duplex = ETH_LINK_HALF_DUPLEX;
link.link_speed = ETH_SPEED_NUM_NONE;
} else {
/* Interface is up */
link.link_status = ETH_LINK_UP;
link.link_duplex = ETH_LINK_FULL_DUPLEX;
switch (adapter->link_speed) {
case 10000:
link.link_speed = ETH_SPEED_NUM_10G;
break;
case 25000:
link.link_speed = ETH_SPEED_NUM_25G;
break;
case 40000:
link.link_speed = ETH_SPEED_NUM_40G;
break;
case 50000:
link.link_speed = ETH_SPEED_NUM_50G;
break;
case 100000:
link.link_speed = ETH_SPEED_NUM_100G;
break;
default:
link.link_speed = ETH_SPEED_NUM_NONE;
break;
}
}
return rte_eth_linkstatus_set(eth_dev, &link);
}
/**
* Interrupt handler triggered by NIC for handling
* specific interrupt.
*
* @param param
* The address of parameter registered before.
*
* @return
* void
*/
static void
ionic_dev_interrupt_handler(void *param)
{
struct ionic_adapter *adapter = (struct ionic_adapter *)param;
uint32_t i;
IONIC_PRINT(DEBUG, "->");
for (i = 0; i < adapter->nlifs; i++) {
if (adapter->lifs[i])
ionic_notifyq_handler(adapter->lifs[i], -1);
}
}
static int
ionic_dev_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu)
{
struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
uint32_t max_frame_size;
int err;
IONIC_PRINT_CALL();
/*
* Note: mtu check against IONIC_MIN_MTU, IONIC_MAX_MTU
* is done by the the API.
*/
/*
* Max frame size is MTU + Ethernet header + VLAN + QinQ
* (plus ETHER_CRC_LEN if the adapter is able to keep CRC)
*/
max_frame_size = mtu + RTE_ETHER_HDR_LEN + 4 + 4;
if (eth_dev->data->dev_conf.rxmode.max_rx_pkt_len < max_frame_size)
return -EINVAL;
err = ionic_lif_change_mtu(lif, mtu);
if (err)
return err;
return 0;
}
static int
ionic_dev_info_get(struct rte_eth_dev *eth_dev,
struct rte_eth_dev_info *dev_info)
{
struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
struct ionic_adapter *adapter = lif->adapter;
struct ionic_identity *ident = &adapter->ident;
IONIC_PRINT_CALL();
dev_info->max_rx_queues = (uint16_t)
ident->lif.eth.config.queue_count[IONIC_QTYPE_RXQ];
dev_info->max_tx_queues = (uint16_t)
ident->lif.eth.config.queue_count[IONIC_QTYPE_TXQ];
/* Also add ETHER_CRC_LEN if the adapter is able to keep CRC */
dev_info->min_rx_bufsize = IONIC_MIN_MTU + RTE_ETHER_HDR_LEN;
dev_info->max_rx_pktlen = IONIC_MAX_MTU + RTE_ETHER_HDR_LEN;
dev_info->max_mac_addrs = adapter->max_mac_addrs;
dev_info->min_mtu = IONIC_MIN_MTU;
dev_info->max_mtu = IONIC_MAX_MTU;
dev_info->hash_key_size = IONIC_RSS_HASH_KEY_SIZE;
dev_info->reta_size = ident->lif.eth.rss_ind_tbl_sz;
dev_info->flow_type_rss_offloads = IONIC_ETH_RSS_OFFLOAD_ALL;
dev_info->speed_capa =
ETH_LINK_SPEED_10G |
ETH_LINK_SPEED_25G |
ETH_LINK_SPEED_40G |
ETH_LINK_SPEED_50G |
ETH_LINK_SPEED_100G;
/*
* Per-queue capabilities. Actually most of the offloads are enabled
* by default on the port and can be used on selected queues (by adding
* packet flags at runtime when required)
*/
dev_info->rx_queue_offload_capa =
DEV_RX_OFFLOAD_IPV4_CKSUM |
DEV_RX_OFFLOAD_UDP_CKSUM |
DEV_RX_OFFLOAD_TCP_CKSUM |
0;
dev_info->tx_queue_offload_capa =
DEV_TX_OFFLOAD_IPV4_CKSUM |
DEV_TX_OFFLOAD_UDP_CKSUM |
DEV_TX_OFFLOAD_TCP_CKSUM |
DEV_TX_OFFLOAD_VLAN_INSERT |
DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM |
DEV_TX_OFFLOAD_OUTER_UDP_CKSUM |
0;
/*
* Per-port capabilities
* See ionic_set_features to request and check supported features
*/
dev_info->rx_offload_capa = dev_info->rx_queue_offload_capa |
DEV_RX_OFFLOAD_JUMBO_FRAME |
DEV_RX_OFFLOAD_VLAN_FILTER |
DEV_RX_OFFLOAD_VLAN_STRIP |
DEV_RX_OFFLOAD_SCATTER |
0;
dev_info->tx_offload_capa = dev_info->tx_queue_offload_capa |
DEV_TX_OFFLOAD_MULTI_SEGS |
DEV_TX_OFFLOAD_TCP_TSO |
0;
dev_info->rx_desc_lim = rx_desc_lim;
dev_info->tx_desc_lim = tx_desc_lim;
/* Driver-preferred Rx/Tx parameters */
dev_info->default_rxportconf.burst_size = 32;
dev_info->default_txportconf.burst_size = 32;
dev_info->default_rxportconf.nb_queues = 1;
dev_info->default_txportconf.nb_queues = 1;
dev_info->default_rxportconf.ring_size = IONIC_DEF_TXRX_DESC;
dev_info->default_txportconf.ring_size = IONIC_DEF_TXRX_DESC;
return 0;
}
static int
ionic_flow_ctrl_get(struct rte_eth_dev *eth_dev,
struct rte_eth_fc_conf *fc_conf)
{
struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
struct ionic_adapter *adapter = lif->adapter;
struct ionic_dev *idev = &adapter->idev;
if (idev->port_info) {
fc_conf->autoneg = idev->port_info->config.an_enable;
if (idev->port_info->config.pause_type)
fc_conf->mode = RTE_FC_FULL;
else
fc_conf->mode = RTE_FC_NONE;
}
return 0;
}
static int
ionic_flow_ctrl_set(struct rte_eth_dev *eth_dev,
struct rte_eth_fc_conf *fc_conf)
{
struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
struct ionic_adapter *adapter = lif->adapter;
struct ionic_dev *idev = &adapter->idev;
uint8_t pause_type = IONIC_PORT_PAUSE_TYPE_NONE;
uint8_t an_enable;
switch (fc_conf->mode) {
case RTE_FC_NONE:
pause_type = IONIC_PORT_PAUSE_TYPE_NONE;
break;
case RTE_FC_FULL:
pause_type = IONIC_PORT_PAUSE_TYPE_LINK;
break;
case RTE_FC_RX_PAUSE:
case RTE_FC_TX_PAUSE:
return -ENOTSUP;
}
an_enable = fc_conf->autoneg;
ionic_dev_cmd_port_pause(idev, pause_type);
ionic_dev_cmd_port_autoneg(idev, an_enable);
return 0;
}
static int
ionic_vlan_offload_set(struct rte_eth_dev *eth_dev, int mask)
{
struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
struct rte_eth_rxmode *rxmode;
rxmode = ð_dev->data->dev_conf.rxmode;
int i;
if (mask & ETH_VLAN_STRIP_MASK) {
if (rxmode->offloads & DEV_RX_OFFLOAD_VLAN_STRIP) {
for (i = 0; i < eth_dev->data->nb_rx_queues; i++) {
struct ionic_qcq *rxq =
eth_dev->data->rx_queues[i];
rxq->offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
}
lif->features |= IONIC_ETH_HW_VLAN_RX_STRIP;
} else {
for (i = 0; i < eth_dev->data->nb_rx_queues; i++) {
struct ionic_qcq *rxq =
eth_dev->data->rx_queues[i];
rxq->offloads &= ~DEV_RX_OFFLOAD_VLAN_STRIP;
}
lif->features &= ~IONIC_ETH_HW_VLAN_RX_STRIP;
}
}
if (mask & ETH_VLAN_FILTER_MASK) {
if (rxmode->offloads & DEV_RX_OFFLOAD_VLAN_FILTER)
lif->features |= IONIC_ETH_HW_VLAN_RX_FILTER;
else
lif->features &= ~IONIC_ETH_HW_VLAN_RX_FILTER;
}
ionic_lif_set_features(lif);
return 0;
}
static int
ionic_dev_rss_reta_update(struct rte_eth_dev *eth_dev,
struct rte_eth_rss_reta_entry64 *reta_conf,
uint16_t reta_size)
{
struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
struct ionic_adapter *adapter = lif->adapter;
struct ionic_identity *ident = &adapter->ident;
uint32_t i, j, index, num;
IONIC_PRINT_CALL();
if (!lif->rss_ind_tbl) {
IONIC_PRINT(ERR, "RSS RETA not initialized, "
"can't update the table");
return -EINVAL;
}
if (reta_size != ident->lif.eth.rss_ind_tbl_sz) {
IONIC_PRINT(ERR, "The size of hash lookup table configured "
"(%d) doesn't match the number hardware can supported "
"(%d)",
reta_size, ident->lif.eth.rss_ind_tbl_sz);
return -EINVAL;
}
num = lif->adapter->ident.lif.eth.rss_ind_tbl_sz / RTE_RETA_GROUP_SIZE;
for (i = 0; i < num; i++) {
for (j = 0; j < RTE_RETA_GROUP_SIZE; j++) {
if (reta_conf[i].mask & ((uint64_t)1 << j)) {
index = (i * RTE_RETA_GROUP_SIZE) + j;
lif->rss_ind_tbl[index] = reta_conf[i].reta[j];
}
}
}
return ionic_lif_rss_config(lif, lif->rss_types, NULL, NULL);
}
static int
ionic_dev_rss_reta_query(struct rte_eth_dev *eth_dev,
struct rte_eth_rss_reta_entry64 *reta_conf,
uint16_t reta_size)
{
struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
struct ionic_adapter *adapter = lif->adapter;
struct ionic_identity *ident = &adapter->ident;
int i, num;
IONIC_PRINT_CALL();
if (reta_size != ident->lif.eth.rss_ind_tbl_sz) {
IONIC_PRINT(ERR, "The size of hash lookup table configured "
"(%d) doesn't match the number hardware can supported "
"(%d)",
reta_size, ident->lif.eth.rss_ind_tbl_sz);
return -EINVAL;
}
if (!lif->rss_ind_tbl) {
IONIC_PRINT(ERR, "RSS RETA has not been built yet");
return -EINVAL;
}
num = reta_size / RTE_RETA_GROUP_SIZE;
for (i = 0; i < num; i++) {
memcpy(reta_conf->reta,
&lif->rss_ind_tbl[i * RTE_RETA_GROUP_SIZE],
RTE_RETA_GROUP_SIZE);
reta_conf++;
}
return 0;
}
static int
ionic_dev_rss_hash_conf_get(struct rte_eth_dev *eth_dev,
struct rte_eth_rss_conf *rss_conf)
{
struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
uint64_t rss_hf = 0;
IONIC_PRINT_CALL();
if (!lif->rss_ind_tbl) {
IONIC_PRINT(NOTICE, "RSS not enabled");
return 0;
}
/* Get key value (if not null, rss_key is 40-byte) */
if (rss_conf->rss_key != NULL &&
rss_conf->rss_key_len >= IONIC_RSS_HASH_KEY_SIZE)
memcpy(rss_conf->rss_key, lif->rss_hash_key,
IONIC_RSS_HASH_KEY_SIZE);
if (lif->rss_types & IONIC_RSS_TYPE_IPV4)
rss_hf |= ETH_RSS_IPV4;
if (lif->rss_types & IONIC_RSS_TYPE_IPV4_TCP)
rss_hf |= ETH_RSS_NONFRAG_IPV4_TCP;
if (lif->rss_types & IONIC_RSS_TYPE_IPV4_UDP)
rss_hf |= ETH_RSS_NONFRAG_IPV4_UDP;
if (lif->rss_types & IONIC_RSS_TYPE_IPV6)
rss_hf |= ETH_RSS_IPV6;
if (lif->rss_types & IONIC_RSS_TYPE_IPV6_TCP)
rss_hf |= ETH_RSS_NONFRAG_IPV6_TCP;
if (lif->rss_types & IONIC_RSS_TYPE_IPV6_UDP)
rss_hf |= ETH_RSS_NONFRAG_IPV6_UDP;
rss_conf->rss_hf = rss_hf;
return 0;
}
static int
ionic_dev_rss_hash_update(struct rte_eth_dev *eth_dev,
struct rte_eth_rss_conf *rss_conf)
{
struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
uint32_t rss_types = 0;
uint8_t *key = NULL;
IONIC_PRINT_CALL();
if (rss_conf->rss_key)
key = rss_conf->rss_key;
if ((rss_conf->rss_hf & IONIC_ETH_RSS_OFFLOAD_ALL) == 0) {
/*
* Can't disable rss through hash flags,
* if it is enabled by default during init
*/
if (lif->rss_ind_tbl)
return -EINVAL;
} else {
/* Can't enable rss if disabled by default during init */
if (!lif->rss_ind_tbl)
return -EINVAL;
if (rss_conf->rss_hf & ETH_RSS_IPV4)
rss_types |= IONIC_RSS_TYPE_IPV4;
if (rss_conf->rss_hf & ETH_RSS_NONFRAG_IPV4_TCP)
rss_types |= IONIC_RSS_TYPE_IPV4_TCP;
if (rss_conf->rss_hf & ETH_RSS_NONFRAG_IPV4_UDP)
rss_types |= IONIC_RSS_TYPE_IPV4_UDP;
if (rss_conf->rss_hf & ETH_RSS_IPV6)
rss_types |= IONIC_RSS_TYPE_IPV6;
if (rss_conf->rss_hf & ETH_RSS_NONFRAG_IPV6_TCP)
rss_types |= IONIC_RSS_TYPE_IPV6_TCP;
if (rss_conf->rss_hf & ETH_RSS_NONFRAG_IPV6_UDP)
rss_types |= IONIC_RSS_TYPE_IPV6_UDP;
ionic_lif_rss_config(lif, rss_types, key, NULL);
}
return 0;
}
static int
ionic_dev_stats_get(struct rte_eth_dev *eth_dev,
struct rte_eth_stats *stats)
{
struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
ionic_lif_get_stats(lif, stats);
return 0;
}
static int
ionic_dev_stats_reset(struct rte_eth_dev *eth_dev)
{
struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
IONIC_PRINT_CALL();
ionic_lif_reset_stats(lif);
return 0;
}
static int
ionic_dev_xstats_get_names(__rte_unused struct rte_eth_dev *eth_dev,
struct rte_eth_xstat_name *xstats_names,
__rte_unused unsigned int size)
{
unsigned int i;
if (xstats_names != NULL) {
for (i = 0; i < IONIC_NB_HW_STATS; i++) {
snprintf(xstats_names[i].name,
sizeof(xstats_names[i].name),
"%s", rte_ionic_xstats_strings[i].name);
}
}
return IONIC_NB_HW_STATS;
}
static int
ionic_dev_xstats_get_names_by_id(struct rte_eth_dev *eth_dev,
struct rte_eth_xstat_name *xstats_names, const uint64_t *ids,
unsigned int limit)
{
struct rte_eth_xstat_name xstats_names_copy[IONIC_NB_HW_STATS];
uint16_t i;
if (!ids) {
if (xstats_names != NULL) {
for (i = 0; i < IONIC_NB_HW_STATS; i++) {
snprintf(xstats_names[i].name,
sizeof(xstats_names[i].name),
"%s", rte_ionic_xstats_strings[i].name);
}
}
return IONIC_NB_HW_STATS;
}
ionic_dev_xstats_get_names_by_id(eth_dev, xstats_names_copy, NULL,
IONIC_NB_HW_STATS);
for (i = 0; i < limit; i++) {
if (ids[i] >= IONIC_NB_HW_STATS) {
IONIC_PRINT(ERR, "id value isn't valid");
return -1;
}
strcpy(xstats_names[i].name, xstats_names_copy[ids[i]].name);
}
return limit;
}
static int
ionic_dev_xstats_get(struct rte_eth_dev *eth_dev, struct rte_eth_xstat *xstats,
unsigned int n)
{
struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
struct ionic_lif_stats hw_stats;
uint16_t i;
if (n < IONIC_NB_HW_STATS)
return IONIC_NB_HW_STATS;
ionic_lif_get_hw_stats(lif, &hw_stats);
for (i = 0; i < IONIC_NB_HW_STATS; i++) {
xstats[i].value = *(uint64_t *)(((char *)&hw_stats) +
rte_ionic_xstats_strings[i].offset);
xstats[i].id = i;
}
return IONIC_NB_HW_STATS;
}
static int
ionic_dev_xstats_get_by_id(struct rte_eth_dev *eth_dev, const uint64_t *ids,
uint64_t *values, unsigned int n)
{
struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
struct ionic_lif_stats hw_stats;
uint64_t values_copy[IONIC_NB_HW_STATS];
uint16_t i;
if (!ids) {
if (!ids && n < IONIC_NB_HW_STATS)
return IONIC_NB_HW_STATS;
ionic_lif_get_hw_stats(lif, &hw_stats);
for (i = 0; i < IONIC_NB_HW_STATS; i++) {
values[i] = *(uint64_t *)(((char *)&hw_stats) +
rte_ionic_xstats_strings[i].offset);
}
return IONIC_NB_HW_STATS;
}
ionic_dev_xstats_get_by_id(eth_dev, NULL, values_copy,
IONIC_NB_HW_STATS);
for (i = 0; i < n; i++) {
if (ids[i] >= IONIC_NB_HW_STATS) {
IONIC_PRINT(ERR, "id value isn't valid");
return -1;
}
values[i] = values_copy[ids[i]];
}
return n;
}
static int
ionic_dev_xstats_reset(struct rte_eth_dev *eth_dev)
{
struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
ionic_lif_reset_hw_stats(lif);
return 0;
}
static int
ionic_dev_configure(struct rte_eth_dev *eth_dev)
{
struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
int err;
IONIC_PRINT_CALL();
err = ionic_lif_configure(lif);
if (err) {
IONIC_PRINT(ERR, "Cannot configure LIF: %d", err);
return err;
}
return 0;
}
static inline uint32_t
ionic_parse_link_speeds(uint16_t link_speeds)
{
if (link_speeds & ETH_LINK_SPEED_100G)
return 100000;
else if (link_speeds & ETH_LINK_SPEED_50G)
return 50000;
else if (link_speeds & ETH_LINK_SPEED_40G)
return 40000;
else if (link_speeds & ETH_LINK_SPEED_25G)
return 25000;
else if (link_speeds & ETH_LINK_SPEED_10G)
return 10000;
else
return 0;
}
/*
* Configure device link speed and setup link.
* It returns 0 on success.
*/
static int
ionic_dev_start(struct rte_eth_dev *eth_dev)
{
struct rte_eth_conf *dev_conf = ð_dev->data->dev_conf;
struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
struct ionic_adapter *adapter = lif->adapter;
struct ionic_dev *idev = &adapter->idev;
uint32_t allowed_speeds;
int err;
IONIC_PRINT_CALL();
allowed_speeds =
ETH_LINK_SPEED_FIXED |
ETH_LINK_SPEED_10G |
ETH_LINK_SPEED_25G |
ETH_LINK_SPEED_40G |
ETH_LINK_SPEED_50G |
ETH_LINK_SPEED_100G;
if (dev_conf->link_speeds & ~allowed_speeds) {
IONIC_PRINT(ERR, "Invalid link setting");
return -EINVAL;
}
err = ionic_lif_start(lif);
if (err) {
IONIC_PRINT(ERR, "Cannot start LIF: %d", err);
return err;
}
if (eth_dev->data->dev_conf.link_speeds & ETH_LINK_SPEED_FIXED) {
uint32_t speed = ionic_parse_link_speeds(dev_conf->link_speeds);
if (speed)
ionic_dev_cmd_port_speed(idev, speed);
}
ionic_dev_link_update(eth_dev, 0);
return 0;
}
/*
* Stop device: disable rx and tx functions to allow for reconfiguring.
*/
static int
ionic_dev_stop(struct rte_eth_dev *eth_dev)
{
struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
int err;
IONIC_PRINT_CALL();
err = ionic_lif_stop(lif);
if (err)
IONIC_PRINT(ERR, "Cannot stop LIF: %d", err);
return err;
}
/*
* Reset and stop device.
*/
static int
ionic_dev_close(struct rte_eth_dev *eth_dev)
{
struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
int err;
IONIC_PRINT_CALL();
if (rte_eal_process_type() != RTE_PROC_PRIMARY)
return 0;
err = ionic_lif_stop(lif);
if (err) {
IONIC_PRINT(ERR, "Cannot stop LIF: %d", err);
return -1;
}
err = eth_ionic_dev_uninit(eth_dev);
if (err) {
IONIC_PRINT(ERR, "Cannot destroy LIF: %d", err);
return -1;
}
return 0;
}
static int
eth_ionic_dev_init(struct rte_eth_dev *eth_dev, void *init_params)
{
struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
struct ionic_adapter *adapter = (struct ionic_adapter *)init_params;
int err;
IONIC_PRINT_CALL();
eth_dev->dev_ops = &ionic_eth_dev_ops;
eth_dev->rx_pkt_burst = &ionic_recv_pkts;
eth_dev->tx_pkt_burst = &ionic_xmit_pkts;
eth_dev->tx_pkt_prepare = &ionic_prep_pkts;
/* Multi-process not supported, primary does initialization anyway */
if (rte_eal_process_type() != RTE_PROC_PRIMARY)
return 0;
rte_eth_copy_pci_info(eth_dev, pci_dev);
eth_dev->data->dev_flags |= RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS;
lif->index = adapter->nlifs;
lif->eth_dev = eth_dev;
lif->adapter = adapter;
adapter->lifs[adapter->nlifs] = lif;
IONIC_PRINT(DEBUG, "Up to %u MAC addresses supported",
adapter->max_mac_addrs);
/* Allocate memory for storing MAC addresses */
eth_dev->data->mac_addrs = rte_zmalloc("ionic",
RTE_ETHER_ADDR_LEN * adapter->max_mac_addrs, 0);
if (eth_dev->data->mac_addrs == NULL) {
IONIC_PRINT(ERR, "Failed to allocate %u bytes needed to "
"store MAC addresses",
RTE_ETHER_ADDR_LEN * adapter->max_mac_addrs);
err = -ENOMEM;
goto err;
}
err = ionic_lif_alloc(lif);
if (err) {
IONIC_PRINT(ERR, "Cannot allocate LIFs: %d, aborting",
err);
goto err;
}
err = ionic_lif_init(lif);
if (err) {
IONIC_PRINT(ERR, "Cannot init LIFs: %d, aborting", err);
goto err_free_lif;
}
/* Copy the MAC address */
rte_ether_addr_copy((struct rte_ether_addr *)lif->mac_addr,
ð_dev->data->mac_addrs[0]);
IONIC_PRINT(DEBUG, "Port %u initialized", eth_dev->data->port_id);
return 0;
err_free_lif:
ionic_lif_free(lif);
err:
return err;
}
static int
eth_ionic_dev_uninit(struct rte_eth_dev *eth_dev)
{
struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
struct ionic_adapter *adapter = lif->adapter;
IONIC_PRINT_CALL();
if (rte_eal_process_type() != RTE_PROC_PRIMARY)
return 0;
adapter->lifs[lif->index] = NULL;
ionic_lif_deinit(lif);
ionic_lif_free(lif);
return 0;
}
static int
ionic_configure_intr(struct ionic_adapter *adapter)
{
struct rte_pci_device *pci_dev = adapter->pci_dev;
struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
int err;
IONIC_PRINT(DEBUG, "Configuring %u intrs", adapter->nintrs);
if (rte_intr_efd_enable(intr_handle, adapter->nintrs)) {
IONIC_PRINT(ERR, "Fail to create eventfd");
return -1;
}
if (rte_intr_dp_is_en(intr_handle))
IONIC_PRINT(DEBUG,
"Packet I/O interrupt on datapath is enabled");
if (!intr_handle->intr_vec) {
intr_handle->intr_vec = rte_zmalloc("intr_vec",
adapter->nintrs * sizeof(int), 0);
if (!intr_handle->intr_vec) {
IONIC_PRINT(ERR, "Failed to allocate %u vectors",
adapter->nintrs);
return -ENOMEM;
}
}
err = rte_intr_callback_register(intr_handle,
ionic_dev_interrupt_handler,
adapter);
if (err) {
IONIC_PRINT(ERR,
"Failure registering interrupts handler (%d)",
err);
return err;
}
/* enable intr mapping */
err = rte_intr_enable(intr_handle);
if (err) {
IONIC_PRINT(ERR, "Failure enabling interrupts (%d)", err);
return err;
}
return 0;
}
static void
ionic_unconfigure_intr(struct ionic_adapter *adapter)
{
struct rte_pci_device *pci_dev = adapter->pci_dev;
struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
rte_intr_disable(intr_handle);
rte_intr_callback_unregister(intr_handle,
ionic_dev_interrupt_handler,
adapter);
}
static int
eth_ionic_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
struct rte_pci_device *pci_dev)
{
char name[RTE_ETH_NAME_MAX_LEN];
struct rte_mem_resource *resource;
struct ionic_adapter *adapter;
struct ionic_hw *hw;
unsigned long i;
int err;
/* Check structs (trigger error at compilation time) */
ionic_struct_size_checks();
/* Multi-process not supported */
if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
err = -EPERM;
goto err;
}
IONIC_PRINT(DEBUG, "Initializing device %s",
pci_dev->device.name);
adapter = rte_zmalloc("ionic", sizeof(*adapter), 0);
if (!adapter) {
IONIC_PRINT(ERR, "OOM");
err = -ENOMEM;
goto err;
}
adapter->pci_dev = pci_dev;
hw = &adapter->hw;
hw->device_id = pci_dev->id.device_id;
hw->vendor_id = pci_dev->id.vendor_id;
err = ionic_init_mac(hw);
if (err != 0) {
IONIC_PRINT(ERR, "Mac init failed: %d", err);
err = -EIO;
goto err_free_adapter;
}
adapter->is_mgmt_nic = (pci_dev->id.device_id == IONIC_DEV_ID_ETH_MGMT);
adapter->num_bars = 0;
for (i = 0; i < PCI_MAX_RESOURCE && i < IONIC_BARS_MAX; i++) {
resource = &pci_dev->mem_resource[i];
if (resource->phys_addr == 0 || resource->len == 0)
continue;
adapter->bars[adapter->num_bars].vaddr = resource->addr;
adapter->bars[adapter->num_bars].bus_addr = resource->phys_addr;
adapter->bars[adapter->num_bars].len = resource->len;
adapter->num_bars++;
}
/* Discover ionic dev resources */
err = ionic_setup(adapter);
if (err) {
IONIC_PRINT(ERR, "Cannot setup device: %d, aborting", err);
goto err_free_adapter;
}
err = ionic_identify(adapter);
if (err) {
IONIC_PRINT(ERR, "Cannot identify device: %d, aborting",
err);
goto err_free_adapter;
}
err = ionic_init(adapter);
if (err) {
IONIC_PRINT(ERR, "Cannot init device: %d, aborting", err);
goto err_free_adapter;
}
/* Configure the ports */
err = ionic_port_identify(adapter);
if (err) {
IONIC_PRINT(ERR, "Cannot identify port: %d, aborting",
err);
goto err_free_adapter;
}
err = ionic_port_init(adapter);
if (err) {
IONIC_PRINT(ERR, "Cannot init port: %d, aborting", err);
goto err_free_adapter;
}
/* Configure LIFs */
err = ionic_lif_identify(adapter);
if (err) {
IONIC_PRINT(ERR, "Cannot identify lif: %d, aborting", err);
goto err_free_adapter;
}
/* Allocate and init LIFs */
err = ionic_lifs_size(adapter);
if (err) {
IONIC_PRINT(ERR, "Cannot size LIFs: %d, aborting", err);
goto err_free_adapter;
}
adapter->max_mac_addrs = adapter->ident.lif.eth.max_ucast_filters;
adapter->nlifs = 0;
for (i = 0; i < adapter->ident.dev.nlifs; i++) {
snprintf(name, sizeof(name), "net_%s_lif_%lu",
pci_dev->device.name, i);
err = rte_eth_dev_create(&pci_dev->device, name,
sizeof(struct ionic_lif),
NULL, NULL,
eth_ionic_dev_init, adapter);
if (err) {
IONIC_PRINT(ERR, "Cannot create eth device for "
"ionic lif %s", name);
break;
}
adapter->nlifs++;
}
err = ionic_configure_intr(adapter);
if (err) {
IONIC_PRINT(ERR, "Failed to configure interrupts");
goto err_free_adapter;
}
return 0;
err_free_adapter:
rte_free(adapter);
err:
return err;
}
static int
eth_ionic_pci_remove(struct rte_pci_device *pci_dev __rte_unused)
{
char name[RTE_ETH_NAME_MAX_LEN];
struct ionic_adapter *adapter = NULL;
struct rte_eth_dev *eth_dev;
struct ionic_lif *lif;
uint32_t i;
/* Adapter lookup is using (the first) eth_dev name */
snprintf(name, sizeof(name), "net_%s_lif_0",
pci_dev->device.name);
eth_dev = rte_eth_dev_allocated(name);
if (eth_dev) {
lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
adapter = lif->adapter;
}
if (adapter) {
ionic_unconfigure_intr(adapter);
for (i = 0; i < adapter->nlifs; i++) {
lif = adapter->lifs[i];
rte_eth_dev_destroy(lif->eth_dev, eth_ionic_dev_uninit);
}
rte_free(adapter);
}
return 0;
}
static struct rte_pci_driver rte_ionic_pmd = {
.id_table = pci_id_ionic_map,
.drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC,
.probe = eth_ionic_pci_probe,
.remove = eth_ionic_pci_remove,
};
RTE_PMD_REGISTER_PCI(net_ionic, rte_ionic_pmd);
RTE_PMD_REGISTER_PCI_TABLE(net_ionic, pci_id_ionic_map);
RTE_PMD_REGISTER_KMOD_DEP(net_ionic, "* igb_uio | uio_pci_generic | vfio-pci");
RTE_LOG_REGISTER(ionic_logtype, pmd.net.ionic, NOTICE);