/*-
- * Copyright (c) 2016 Solarflare Communications Inc.
+ * BSD LICENSE
+ *
+ * Copyright (c) 2016-2017 Solarflare Communications Inc.
* All rights reserved.
*
* This software was jointly developed between OKTET Labs (under contract
#include <rte_dev.h>
#include <rte_ethdev.h>
+#include <rte_ethdev_pci.h>
#include <rte_pci.h>
+#include <rte_errno.h>
#include "efx.h"
#include "sfc_rx.h"
#include "sfc_tx.h"
#include "sfc_flow.h"
+#include "sfc_dp.h"
+#include "sfc_dp_rx.h"
+
+static struct sfc_dp_list sfc_dp_head =
+ TAILQ_HEAD_INITIALIZER(sfc_dp_head);
+
+static int
+sfc_fw_version_get(struct rte_eth_dev *dev, char *fw_version, size_t fw_size)
+{
+ struct sfc_adapter *sa = dev->data->dev_private;
+ efx_nic_fw_info_t enfi;
+ int ret;
+ int rc;
+
+ /*
+ * Return value of the callback is likely supposed to be
+ * equal to or greater than 0, nevertheless, if an error
+ * occurs, it will be desirable to pass it to the caller
+ */
+ if ((fw_version == NULL) || (fw_size == 0))
+ return -EINVAL;
+
+ rc = efx_nic_get_fw_version(sa->nic, &enfi);
+ if (rc != 0)
+ return -rc;
+
+ ret = snprintf(fw_version, fw_size,
+ "%" PRIu16 ".%" PRIu16 ".%" PRIu16 ".%" PRIu16,
+ enfi.enfi_mc_fw_version[0], enfi.enfi_mc_fw_version[1],
+ enfi.enfi_mc_fw_version[2], enfi.enfi_mc_fw_version[3]);
+ if (ret < 0)
+ return ret;
+
+ if (enfi.enfi_dpcpu_fw_ids_valid) {
+ size_t dpcpu_fw_ids_offset = MIN(fw_size - 1, (size_t)ret);
+ int ret_extra;
+
+ ret_extra = snprintf(fw_version + dpcpu_fw_ids_offset,
+ fw_size - dpcpu_fw_ids_offset,
+ " rx%" PRIx16 " tx%" PRIx16,
+ enfi.enfi_rx_dpcpu_fw_id,
+ enfi.enfi_tx_dpcpu_fw_id);
+ if (ret_extra < 0)
+ return ret_extra;
+
+ ret += ret_extra;
+ }
+
+ if (fw_size < (size_t)(++ret))
+ return ret;
+ else
+ return 0;
+}
static void
sfc_dev_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
DEV_TX_OFFLOAD_TCP_CKSUM;
dev_info->default_txconf.txq_flags = ETH_TXQ_FLAGS_NOXSUMSCTP;
- if (!encp->enc_hw_tx_insert_vlan_enabled)
+ if ((~sa->dp_tx->features & SFC_DP_TX_FEAT_VLAN_INSERT) ||
+ !encp->enc_hw_tx_insert_vlan_enabled)
dev_info->default_txconf.txq_flags |= ETH_TXQ_FLAGS_NOVLANOFFL;
else
dev_info->tx_offload_capa |= DEV_TX_OFFLOAD_VLAN_INSERT;
+ if (~sa->dp_tx->features & SFC_DP_TX_FEAT_MULTI_SEG)
+ dev_info->default_txconf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
+
#if EFSYS_OPT_RX_SCALE
if (sa->rss_support != EFX_RX_SCALE_UNAVAILABLE) {
dev_info->reta_size = EFX_RSS_TBL_SIZE;
static const uint32_t *
sfc_dev_supported_ptypes_get(struct rte_eth_dev *dev)
{
- static const uint32_t ptypes[] = {
- RTE_PTYPE_L2_ETHER,
- RTE_PTYPE_L3_IPV4_EXT_UNKNOWN,
- RTE_PTYPE_L3_IPV6_EXT_UNKNOWN,
- RTE_PTYPE_L4_TCP,
- RTE_PTYPE_L4_UDP,
- RTE_PTYPE_UNKNOWN
- };
-
- if (dev->rx_pkt_burst == sfc_recv_pkts)
- return ptypes;
-
- return NULL;
+ struct sfc_adapter *sa = dev->data->dev_private;
+
+ return sa->dp_rx->supported_ptypes_get();
}
static int
sfc_adapter_lock(sa);
switch (sa->state) {
case SFC_ADAPTER_CONFIGURED:
- sfc_close(sa);
- SFC_ASSERT(sa->state == SFC_ADAPTER_INITIALIZED);
/* FALLTHROUGH */
case SFC_ADAPTER_INITIALIZED:
rc = sfc_configure(sa);
if (rc != 0)
goto fail_rx_qinit;
- dev->data->rx_queues[rx_queue_id] = sa->rxq_info[rx_queue_id].rxq;
+ dev->data->rx_queues[rx_queue_id] = sa->rxq_info[rx_queue_id].rxq->dp;
sfc_adapter_unlock(sa);
static void
sfc_rx_queue_release(void *queue)
{
- struct sfc_rxq *rxq = queue;
+ struct sfc_dp_rxq *dp_rxq = queue;
+ struct sfc_rxq *rxq;
struct sfc_adapter *sa;
unsigned int sw_index;
- if (rxq == NULL)
+ if (dp_rxq == NULL)
return;
+ rxq = sfc_rxq_by_dp_rxq(dp_rxq);
sa = rxq->evq->sa;
sfc_adapter_lock(sa);
if (rc != 0)
goto fail_tx_qinit;
- dev->data->tx_queues[tx_queue_id] = sa->txq_info[tx_queue_id].txq;
+ dev->data->tx_queues[tx_queue_id] = sa->txq_info[tx_queue_id].txq->dp;
sfc_adapter_unlock(sa);
return 0;
static void
sfc_tx_queue_release(void *queue)
{
- struct sfc_txq *txq = queue;
+ struct sfc_dp_txq *dp_txq = queue;
+ struct sfc_txq *txq;
unsigned int sw_index;
struct sfc_adapter *sa;
- if (txq == NULL)
+ if (dp_txq == NULL)
return;
+ txq = sfc_txq_by_dp_txq(dp_txq);
sw_index = sfc_txq_sw_index(txq);
SFC_ASSERT(txq->evq != NULL);
static int
sfc_rx_descriptor_done(void *queue, uint16_t offset)
{
- struct sfc_rxq *rxq = queue;
+ struct sfc_dp_rxq *dp_rxq = queue;
- return sfc_rx_qdesc_done(rxq, offset);
+ return sfc_rx_qdesc_done(dp_rxq, offset);
}
static int
{
struct sfc_adapter *sa = dev->data->dev_private;
- if ((sa->rss_channels == 1) ||
- (sa->rss_support != EFX_RX_SCALE_EXCLUSIVE))
+ if (sa->rss_support != EFX_RX_SCALE_EXCLUSIVE)
return -ENOTSUP;
+ if (sa->rss_channels == 0)
+ return -EINVAL;
+
sfc_adapter_lock(sa);
/*
unsigned int efx_hash_types;
int rc = 0;
- if ((sa->rss_channels == 1) ||
- (sa->rss_support != EFX_RX_SCALE_EXCLUSIVE)) {
+ if (sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) {
sfc_err(sa, "RSS is not available");
return -ENOTSUP;
}
+ if (sa->rss_channels == 0) {
+ sfc_err(sa, "RSS is not configured");
+ return -EINVAL;
+ }
+
if ((rss_conf->rss_key != NULL) &&
(rss_conf->rss_key_len != sizeof(sa->rss_key))) {
sfc_err(sa, "RSS key size is wrong (should be %lu)",
struct sfc_adapter *sa = dev->data->dev_private;
int entry;
- if ((sa->rss_channels == 1) ||
- (sa->rss_support != EFX_RX_SCALE_EXCLUSIVE))
+ if (sa->rss_support != EFX_RX_SCALE_EXCLUSIVE)
return -ENOTSUP;
+ if (sa->rss_channels == 0)
+ return -EINVAL;
+
if (reta_size != EFX_RSS_TBL_SIZE)
return -EINVAL;
int rc;
- if ((sa->rss_channels == 1) ||
- (sa->rss_support != EFX_RX_SCALE_EXCLUSIVE)) {
+ if (sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) {
sfc_err(sa, "RSS is not available");
return -ENOTSUP;
}
+ if (sa->rss_channels == 0) {
+ sfc_err(sa, "RSS is not configured");
+ return -EINVAL;
+ }
+
if (reta_size != EFX_RSS_TBL_SIZE) {
sfc_err(sa, "RETA size is wrong (should be %u)",
EFX_RSS_TBL_SIZE);
.set_mc_addr_list = sfc_set_mc_addr_list,
.rxq_info_get = sfc_rx_queue_info_get,
.txq_info_get = sfc_tx_queue_info_get,
+ .fw_version_get = sfc_fw_version_get,
};
+static int
+sfc_eth_dev_set_ops(struct rte_eth_dev *dev)
+{
+ struct sfc_adapter *sa = dev->data->dev_private;
+ unsigned int avail_caps = 0;
+ const char *rx_name = NULL;
+ const char *tx_name = NULL;
+ int rc;
+
+ switch (sa->family) {
+ case EFX_FAMILY_HUNTINGTON:
+ case EFX_FAMILY_MEDFORD:
+ avail_caps |= SFC_DP_HW_FW_CAP_EF10;
+ break;
+ default:
+ break;
+ }
+
+ rc = sfc_kvargs_process(sa, SFC_KVARG_RX_DATAPATH,
+ sfc_kvarg_string_handler, &rx_name);
+ if (rc != 0)
+ goto fail_kvarg_rx_datapath;
+
+ if (rx_name != NULL) {
+ sa->dp_rx = sfc_dp_find_rx_by_name(&sfc_dp_head, rx_name);
+ if (sa->dp_rx == NULL) {
+ sfc_err(sa, "Rx datapath %s not found", rx_name);
+ rc = ENOENT;
+ goto fail_dp_rx;
+ }
+ if (!sfc_dp_match_hw_fw_caps(&sa->dp_rx->dp, avail_caps)) {
+ sfc_err(sa,
+ "Insufficient Hw/FW capabilities to use Rx datapath %s",
+ rx_name);
+ rc = EINVAL;
+ goto fail_dp_rx;
+ }
+ } else {
+ sa->dp_rx = sfc_dp_find_rx_by_caps(&sfc_dp_head, avail_caps);
+ if (sa->dp_rx == NULL) {
+ sfc_err(sa, "Rx datapath by caps %#x not found",
+ avail_caps);
+ rc = ENOENT;
+ goto fail_dp_rx;
+ }
+ }
+
+ sfc_info(sa, "use %s Rx datapath", sa->dp_rx->dp.name);
+
+ dev->rx_pkt_burst = sa->dp_rx->pkt_burst;
+
+ rc = sfc_kvargs_process(sa, SFC_KVARG_TX_DATAPATH,
+ sfc_kvarg_string_handler, &tx_name);
+ if (rc != 0)
+ goto fail_kvarg_tx_datapath;
+
+ if (tx_name != NULL) {
+ sa->dp_tx = sfc_dp_find_tx_by_name(&sfc_dp_head, tx_name);
+ if (sa->dp_tx == NULL) {
+ sfc_err(sa, "Tx datapath %s not found", tx_name);
+ rc = ENOENT;
+ goto fail_dp_tx;
+ }
+ if (!sfc_dp_match_hw_fw_caps(&sa->dp_tx->dp, avail_caps)) {
+ sfc_err(sa,
+ "Insufficient Hw/FW capabilities to use Tx datapath %s",
+ tx_name);
+ rc = EINVAL;
+ goto fail_dp_tx;
+ }
+ } else {
+ sa->dp_tx = sfc_dp_find_tx_by_caps(&sfc_dp_head, avail_caps);
+ if (sa->dp_tx == NULL) {
+ sfc_err(sa, "Tx datapath by caps %#x not found",
+ avail_caps);
+ rc = ENOENT;
+ goto fail_dp_tx;
+ }
+ }
+
+ sfc_info(sa, "use %s Tx datapath", sa->dp_tx->dp.name);
+
+ dev->tx_pkt_burst = sa->dp_tx->pkt_burst;
+
+ dev->dev_ops = &sfc_eth_dev_ops;
+
+ return 0;
+
+fail_dp_tx:
+fail_kvarg_tx_datapath:
+fail_dp_rx:
+fail_kvarg_rx_datapath:
+ return rc;
+}
+
+static void
+sfc_register_dp(void)
+{
+ /* Register once */
+ if (TAILQ_EMPTY(&sfc_dp_head)) {
+ /* Prefer EF10 datapath */
+ sfc_dp_register(&sfc_dp_head, &sfc_ef10_rx.dp);
+ sfc_dp_register(&sfc_dp_head, &sfc_efx_rx.dp);
+
+ sfc_dp_register(&sfc_dp_head, &sfc_ef10_tx.dp);
+ sfc_dp_register(&sfc_dp_head, &sfc_efx_tx.dp);
+ sfc_dp_register(&sfc_dp_head, &sfc_ef10_simple_tx.dp);
+ }
+}
+
static int
sfc_eth_dev_init(struct rte_eth_dev *dev)
{
const efx_nic_cfg_t *encp;
const struct ether_addr *from;
+ sfc_register_dp();
+
/* Required for logging */
sa->eth_dev = dev;
sfc_adapter_lock_init(sa);
sfc_adapter_lock(sa);
+ sfc_log_init(sa, "probing");
+ rc = sfc_probe(sa);
+ if (rc != 0)
+ goto fail_probe;
+
+ sfc_log_init(sa, "set device ops");
+ rc = sfc_eth_dev_set_ops(dev);
+ if (rc != 0)
+ goto fail_set_ops;
+
sfc_log_init(sa, "attaching");
rc = sfc_attach(sa);
if (rc != 0)
from = (const struct ether_addr *)(encp->enc_mac_addr);
ether_addr_copy(from, &dev->data->mac_addrs[0]);
- dev->dev_ops = &sfc_eth_dev_ops;
- dev->rx_pkt_burst = &sfc_recv_pkts;
- dev->tx_pkt_burst = &sfc_xmit_pkts;
-
sfc_adapter_unlock(sa);
sfc_log_init(sa, "done");
return 0;
fail_attach:
+fail_set_ops:
+ sfc_unprobe(sa);
+
+fail_probe:
sfc_adapter_unlock(sa);
sfc_adapter_lock_fini(sa);
rte_free(dev->data->mac_addrs);
sfc_adapter_lock(sa);
sfc_detach(sa);
+ sfc_unprobe(sa);
rte_free(dev->data->mac_addrs);
dev->data->mac_addrs = NULL;
static const struct rte_pci_id pci_id_sfc_efx_map[] = {
{ RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_FARMINGDALE) },
+ { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_FARMINGDALE_VF) },
{ RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_GREENPORT) },
+ { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_GREENPORT_VF) },
{ RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD) },
+ { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD_VF) },
{ .vendor_id = 0 /* sentinel */ }
};
-static struct eth_driver sfc_efx_pmd = {
- .pci_drv = {
- .id_table = pci_id_sfc_efx_map,
- .drv_flags =
- RTE_PCI_DRV_INTR_LSC |
- RTE_PCI_DRV_NEED_MAPPING,
- .probe = rte_eth_dev_pci_probe,
- .remove = rte_eth_dev_pci_remove,
- },
- .eth_dev_init = sfc_eth_dev_init,
- .eth_dev_uninit = sfc_eth_dev_uninit,
- .dev_private_size = sizeof(struct sfc_adapter),
+static int sfc_eth_dev_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
+ struct rte_pci_device *pci_dev)
+{
+ return rte_eth_dev_pci_generic_probe(pci_dev,
+ sizeof(struct sfc_adapter), sfc_eth_dev_init);
+}
+
+static int sfc_eth_dev_pci_remove(struct rte_pci_device *pci_dev)
+{
+ return rte_eth_dev_pci_generic_remove(pci_dev, sfc_eth_dev_uninit);
+}
+
+static struct rte_pci_driver sfc_efx_pmd = {
+ .id_table = pci_id_sfc_efx_map,
+ .drv_flags =
+ RTE_PCI_DRV_INTR_LSC |
+ RTE_PCI_DRV_NEED_MAPPING,
+ .probe = sfc_eth_dev_pci_probe,
+ .remove = sfc_eth_dev_pci_remove,
};
-RTE_PMD_REGISTER_PCI(net_sfc_efx, sfc_efx_pmd.pci_drv);
+RTE_PMD_REGISTER_PCI(net_sfc_efx, sfc_efx_pmd);
RTE_PMD_REGISTER_PCI_TABLE(net_sfc_efx, pci_id_sfc_efx_map);
-RTE_PMD_REGISTER_KMOD_DEP(net_sfc_efx, "* igb_uio | uio_pci_generic | vfio");
+RTE_PMD_REGISTER_KMOD_DEP(net_sfc_efx, "* igb_uio | uio_pci_generic | vfio-pci");
RTE_PMD_REGISTER_PARAM_STRING(net_sfc_efx,
+ SFC_KVARG_RX_DATAPATH "=" SFC_KVARG_VALUES_RX_DATAPATH " "
+ SFC_KVARG_TX_DATAPATH "=" SFC_KVARG_VALUES_TX_DATAPATH " "
SFC_KVARG_PERF_PROFILE "=" SFC_KVARG_VALUES_PERF_PROFILE " "
SFC_KVARG_STATS_UPDATE_PERIOD_MS "=<long> "
SFC_KVARG_MCDI_LOGGING "=" SFC_KVARG_VALUES_BOOL " "
git.droids-corp.org / dpdk.git / blobdiff