From: Mykyta Iziumtsev <[email protected]>
Signed-off-by: Mykyta Iziumtsev <[email protected]>
---
/** Email created from pull request 380 (MykytaI:caterpillar_mdev_i40e)
** https://github.com/Linaro/odp/pull/380
** Patch: https://github.com/Linaro/odp/pull/380.patch
** Base sha: ea7b4281992e3cf772fb84708ed7f3985bce78e7
** Merge commit sha: ea3b260fee5972ca16af71aa15ac08322f515277
**/
platform/linux-generic/Makefile.am | 1 +
platform/linux-generic/pktio/mdev/i40e.c | 641 +++++++++++++++++++++++++++++++
platform/linux-generic/pktio/subsystem.c | 6 +
3 files changed, 648 insertions(+)
create mode 100644 platform/linux-generic/pktio/mdev/i40e.c
diff --git a/platform/linux-generic/Makefile.am
b/platform/linux-generic/Makefile.am
index 42223199f..95dcb667a 100644
--- a/platform/linux-generic/Makefile.am
+++ b/platform/linux-generic/Makefile.am
@@ -251,6 +251,7 @@ __LIB__libodp_linux_la_SOURCES = \
pktio/ipc.c \
pktio/loopback.c \
pktio/mdev.c \
+ pktio/mdev/i40e.c \
pktio/netmap.c \
pktio/ring.c \
pktio/socket.c \
diff --git a/platform/linux-generic/pktio/mdev/i40e.c
b/platform/linux-generic/pktio/mdev/i40e.c
new file mode 100644
index 000000000..c69da09cc
--- /dev/null
+++ b/platform/linux-generic/pktio/mdev/i40e.c
@@ -0,0 +1,641 @@
+/* Copyright (c) 2018, Linaro Limited
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include "config.h"
+
+#ifdef ODP_MDEV
+
+#include <linux/types.h>
+#include <protocols/eth.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/mman.h>
+#include <unistd.h>
+
+#include <odp_packet_io_internal.h>
+#include <odp_posix_extensions.h>
+
+#include <odp/api/hints.h>
+#include <odp/api/packet.h>
+#include <odp/api/plat/packet_inlines.h>
+#include <odp/drv/hints.h>
+#include <odp/drv/mmio.h>
+
+#include <pktio/common.h>
+#include <pktio/ethtool.h>
+#include <pktio/mdev.h>
+#include <pktio/sysfs.h>
+#include <pktio/uapi_net_mdev.h>
+
+#define MODULE_NAME "i40e"
+
+#define I40E_TX_BUF_SIZE 2048U
+#define I40E_RX_BUF_SIZE 2048U
+
+#define I40E_TX_PACKET_LEN_MIN 17
+
+/* RX queue definitions */
+#define I40E_RX_QUEUE_NUM_MAX 32
+
+/** RX descriptor */
+typedef struct {
+ odp_u64le_t addr;
+#define I40E_RXD_QW1_LEN_S 38
+#define I40E_RXD_QW1_LEN_M (0x3FFFULL << I40E_RXD_QW1_LEN_S)
+ odp_u64le_t status_error_len;
+ odp_u64le_t reserved[2];
+} i40e_rx_desc_t;
+
+/** RX queue data */
+typedef struct ODP_ALIGNED_CACHE {
+ i40e_rx_desc_t *rx_descs; /**< RX queue base */
+ odp_u32le_t *doorbell; /**< RX queue doorbell */
+
+ uint16_t rx_queue_len; /**< Number of RX desc entries */
+ uint16_t cidx; /**< Next RX desc to handle */
+
+ mdev_dma_area_t rx_data; /**< RX packet payload area */
+
+ odp_ticketlock_t lock; /**< RX queue lock */
+} i40e_rx_queue_t;
+
+/* TX queue definitions */
+#define I40E_TX_QUEUE_NUM_MAX 32
+
+typedef struct {
+ odp_u64le_t addr;
+
+#define I40E_TXD_DTYPE_DATA 0UL
+
+#define I40E_TXD_CMD_EOP 0x0001UL
+#define I40E_TXD_CMD_RS 0x0002UL
+#define I40E_TXD_CMD_ICRC 0x0004UL
+
+#define I40E_TXD_QW1_CMD_S 4
+#define I40E_TXD_QW1_L2TAG1_S 48
+#define I40E_TXD_QW1_OFFSET_S 16
+#define I40E_TXD_QW1_LEN_S 34
+ odp_u64le_t cmd_type_offset_len;
+} i40e_tx_desc_t;
+
+/** TX queue data */
+typedef struct ODP_ALIGNED_CACHE {
+ i40e_tx_desc_t *tx_descs; /**< TX queue base */
+ odp_u32le_t *doorbell; /**< TX queue doorbell */
+
+ uint16_t tx_queue_len; /**< Number of TX desc entries */
+ uint16_t pidx; /**< Next TX desc to insert */
+
+ odp_u32le_t *cidx; /**< Last TX desc processed by HW */
+
+ mdev_dma_area_t tx_data; /**< TX packet payload area */
+
+ odp_ticketlock_t lock; /**< TX queue lock */
+} i40e_tx_queue_t;
+
+/** Packet socket using mediated i40e device */
+typedef struct {
+ /** RX queue hot data */
+ i40e_rx_queue_t rx_queues[I40E_RX_QUEUE_NUM_MAX];
+
+ /** TX queue hot data */
+ i40e_tx_queue_t tx_queues[I40E_TX_QUEUE_NUM_MAX];
+
+ odp_pool_t pool; /**< pool to alloc packets from */
+
+ odp_bool_t lockless_rx; /**< no locking for RX */
+ odp_bool_t lockless_tx; /**< no locking for TX */
+
+ odp_pktio_capability_t capa; /**< interface capabilities */
+
+ uint8_t *mmio; /**< MMIO region */
+
+ int sockfd; /**< control socket */
+
+ mdev_device_t mdev; /**< Common mdev data */
+} pktio_ops_i40e_data_t;
+
+static void i40e_rx_refill(i40e_rx_queue_t *rxq, uint16_t from, uint16_t num);
+static void i40e_wait_link_up(pktio_entry_t *pktio_entry);
+static int i40e_close(pktio_entry_t *pktio_entry);
+
+static int i40e_mmio_register(pktio_ops_i40e_data_t *pkt_i40e,
+ uint64_t offset, uint64_t size)
+{
+ ODP_ASSERT(pkt_i40e->mmio == NULL);
+
+ pkt_i40e->mmio = mdev_region_mmap(&pkt_i40e->mdev, offset, size);
+ if (pkt_i40e->mmio == MAP_FAILED) {
+ ODP_ERR("Cannot mmap MMIO\n");
+ return -1;
+ }
+
+ ODP_DBG("Register MMIO region: 0x%llx@%016llx\n", size, offset);
+
+ return 0;
+}
+
+static int i40e_rx_queue_register(pktio_ops_i40e_data_t *pkt_i40e,
+ uint64_t offset, uint64_t size)
+{
+ uint16_t rxq_idx = pkt_i40e->capa.max_input_queues++;
+ i40e_rx_queue_t *rxq = &pkt_i40e->rx_queues[rxq_idx];
+ uint64_t doorbell_offset;
+ struct ethtool_ringparam ering;
+ int ret;
+
+ ODP_ASSERT(rxq_idx < ARRAY_SIZE(pkt_i40e->rx_queues));
+
+ odp_ticketlock_init(&rxq->lock);
+
+ ret = ethtool_ringparam_get_fd(pkt_i40e->sockfd,
+ pkt_i40e->mdev.if_name, &ering);
+ if (ret) {
+ ODP_ERR("Cannot get queue length\n");
+ return -1;
+ }
+ rxq->rx_queue_len = ering.rx_pending;
+
+ ret = sysfs_attr_u64_get(&doorbell_offset,
+ "/sys/class/net/%s"
+ "/queues/rx-%u/i40e/doorbell_offset",
+ pkt_i40e->mdev.if_name, rxq_idx);
+ if (ret) {
+ ODP_ERR("Cannot get %s rx-%u doorbell_offset\n",
+ pkt_i40e->mdev.if_name, rxq_idx);
+ return -1;
+ }
+
+ rxq->doorbell =
+ (odp_u32le_t *)(void *)(pkt_i40e->mmio + doorbell_offset);
+
+ ODP_ASSERT(rxq->rx_queue_len * sizeof(*rxq->rx_descs) <= size);
+
+ rxq->rx_descs = mdev_region_mmap(&pkt_i40e->mdev, offset, size);
+ if (rxq->rx_descs == MAP_FAILED) {
+ ODP_ERR("Cannot mmap RX queue\n");
+ return -1;
+ }
+
+ rxq->rx_data.size = rxq->rx_queue_len * I40E_RX_BUF_SIZE;
+ ret = mdev_dma_area_alloc(&pkt_i40e->mdev, &rxq->rx_data);
+ if (ret) {
+ ODP_ERR("Cannot allocate RX queue DMA area\n");
+ return -1;
+ }
+
+ /* Need 1 desc gap to keep tail from touching head */
+ i40e_rx_refill(rxq, 0, rxq->rx_queue_len - 1);
+
+ ODP_DBG("Register RX queue region: 0x%llx@%016llx\n", size, offset);
+ ODP_DBG(" RX descriptors: %u\n", rxq->rx_queue_len);
+
+ return 0;
+}
+
+static int i40e_tx_queue_register(pktio_ops_i40e_data_t *pkt_i40e,
+ uint64_t offset, uint64_t size)
+{
+ uint16_t txq_idx = pkt_i40e->capa.max_output_queues++;
+ i40e_tx_queue_t *txq = &pkt_i40e->tx_queues[txq_idx];
+ uint64_t doorbell_offset;
+ struct ethtool_ringparam ering;
+ int ret;
+
+ ODP_ASSERT(txq_idx < ARRAY_SIZE(pkt_i40e->tx_queues));
+
+ odp_ticketlock_init(&txq->lock);
+
+ ret = ethtool_ringparam_get_fd(pkt_i40e->sockfd,
+ pkt_i40e->mdev.if_name, &ering);
+ if (ret) {
+ ODP_ERR("Cannot get queue length\n");
+ return -1;
+ }
+ txq->tx_queue_len = ering.tx_pending;
+
+ ret = sysfs_attr_u64_get(&doorbell_offset,
+ "/sys/class/net/%s"
+ "/queues/tx-%u/i40e/doorbell_offset",
+ pkt_i40e->mdev.if_name, txq_idx);
+ if (ret) {
+ ODP_ERR("Cannot get %s tx-%u doorbell_offset\n",
+ pkt_i40e->mdev.if_name, txq_idx);
+ return -1;
+ }
+
+ txq->doorbell =
+ (odp_u32le_t *)(void *)(pkt_i40e->mmio + doorbell_offset);
+
+ ODP_ASSERT(txq->tx_queue_len * sizeof(*txq->tx_descs) +
+ sizeof(*txq->cidx) <= size);
+
+ txq->tx_descs = mdev_region_mmap(&pkt_i40e->mdev, offset, size);
+ if (txq->tx_descs == MAP_FAILED) {
+ ODP_ERR("Cannot mmap TX queue\n");
+ return -1;
+ }
+
+ txq->cidx = (odp_u32le_t *)(txq->tx_descs + txq->tx_queue_len);
+
+ txq->tx_data.size = txq->tx_queue_len * I40E_TX_BUF_SIZE;
+ ret = mdev_dma_area_alloc(&pkt_i40e->mdev, &txq->tx_data);
+ if (ret) {
+ ODP_ERR("Cannot allocate TX queue DMA area\n");
+ return -1;
+ }
+
+ ODP_DBG("Register TX queue region: 0x%llx@%016llx\n", size, offset);
+ ODP_DBG(" TX descriptors: %u\n", txq->tx_queue_len);
+
+ return 0;
+}
+
+static int i40e_region_info_cb(mdev_device_t *mdev,
+ struct vfio_region_info *region_info)
+{
+ pktio_ops_i40e_data_t *pkt_i40e =
+ odp_container_of(mdev, pktio_ops_i40e_data_t, mdev);
+ mdev_region_class_t class_info;
+
+ if (vfio_get_region_cap_type(region_info, &class_info) < 0) {
+ ODP_ERR("Cannot find class_info in region %u\n",
+ region_info->index);
+ return -1;
+ }
+
+ switch (class_info.type) {
+ case VFIO_NET_MDEV_MMIO:
+ return i40e_mmio_register(pkt_i40e,
+ region_info->offset,
+ region_info->size);
+
+ case VFIO_NET_MDEV_RX_RING:
+ return i40e_rx_queue_register(pkt_i40e,
+ region_info->offset,
+ region_info->size);
+
+ case VFIO_NET_MDEV_TX_RING:
+ return i40e_tx_queue_register(pkt_i40e,
+ region_info->offset,
+ region_info->size);
+
+ default:
+ ODP_ERR("Unexpected region %u (class %u:%u)\n",
+ region_info->index, class_info.type,
+ class_info.subtype);
+ return -1;
+ }
+}
+
+static int i40e_open(odp_pktio_t id ODP_UNUSED,
+ pktio_entry_t *pktio_entry,
+ const char *resource, odp_pool_t pool)
+{
+ pktio_ops_i40e_data_t *pkt_i40e;
+ int ret;
+
+ ODP_ASSERT(pool != ODP_POOL_INVALID);
+
+ if (strncmp(resource, NET_MDEV_PREFIX, strlen(NET_MDEV_PREFIX)))
+ return -1;
+
+ ODP_DBG("%s: probing resource %s\n", MODULE_NAME, resource);
+
+ pkt_i40e = ODP_OPS_DATA_ALLOC(sizeof(*pkt_i40e));
+ if (odp_unlikely(pkt_i40e == NULL)) {
+ ODP_ERR("Failed to allocate pktio_ops_i40e_data_t struct");
+ return -1;
+ }
+ pktio_entry->s.ops_data = pkt_i40e;
+
+ memset(pkt_i40e, 0, sizeof(*pkt_i40e));
+
+ pkt_i40e->sockfd = socket(AF_INET, SOCK_DGRAM, 0);
+ if (pkt_i40e->sockfd == -1) {
+ ODP_ERR("Cannot get device control socket\n");
+ goto out;
+ }
+
+ ret =
+ mdev_device_create(&pkt_i40e->mdev, MODULE_NAME,
+ resource + strlen(NET_MDEV_PREFIX),
+ i40e_region_info_cb);
+ if (ret)
+ goto out;
+
+ pkt_i40e->pool = pool;
+
+ i40e_wait_link_up(pktio_entry);
+
+ ODP_DBG("%s: open %s is successful\n", MODULE_NAME,
+ pkt_i40e->mdev.if_name);
+
+ return 0;
+
+out:
+ i40e_close(pktio_entry);
+ return -1;
+}
+
+static int i40e_close(pktio_entry_t *pktio_entry)
+{
+ pktio_ops_i40e_data_t *pkt_i40e = pktio_entry->s.ops_data;
+
+ ODP_DBG("%s: close %s\n", MODULE_NAME, pkt_i40e->mdev.if_name);
+
+ mdev_device_destroy(&pkt_i40e->mdev);
+
+ for (uint16_t i = 0; i < pkt_i40e->capa.max_input_queues; i++) {
+ i40e_rx_queue_t *rxq = &pkt_i40e->rx_queues[i];
+
+ if (rxq->rx_data.size)
+ mdev_dma_area_free(&pkt_i40e->mdev, &rxq->rx_data);
+ }
+
+ for (uint16_t i = 0; i < pkt_i40e->capa.max_output_queues; i++) {
+ i40e_tx_queue_t *txq = &pkt_i40e->tx_queues[i];
+
+ if (txq->tx_data.size)
+ mdev_dma_area_free(&pkt_i40e->mdev, &txq->tx_data);
+ }
+
+ if (pkt_i40e->sockfd != -1)
+ close(pkt_i40e->sockfd);
+
+ ODP_OPS_DATA_FREE(pkt_i40e);
+
+ return 0;
+}
+
+static void i40e_rx_refill(i40e_rx_queue_t *rxq, uint16_t from, uint16_t num)
+{
+ uint16_t i = from;
+
+ while (num) {
+ uint64_t iova = rxq->rx_data.iova + i * I40E_RX_BUF_SIZE;
+ i40e_rx_desc_t *rxd = &rxq->rx_descs[i];
+
+ rxd->addr = odp_cpu_to_le_64(iova);
+ rxd->status_error_len = odp_cpu_to_le_64(0);
+
+ i++;
+ if (i >= rxq->rx_queue_len)
+ i = 0;
+
+ num--;
+ }
+
+ /* Ring the doorbell */
+ odpdrv_mmio_u32le_write(i, rxq->doorbell);
+}
+
+static int i40e_recv(pktio_entry_t *pktio_entry, int rxq_idx,
+ odp_packet_t pkt_table[], int num)
+{
+ pktio_ops_i40e_data_t *pkt_i40e = pktio_entry->s.ops_data;
+ i40e_rx_queue_t *rxq = &pkt_i40e->rx_queues[rxq_idx];
+ uint16_t refill_from;
+ int rx_pkts = 0;
+
+ if (!pkt_i40e->lockless_rx)
+ odp_ticketlock_lock(&rxq->lock);
+
+ /* Keep track of the start point to refill RX queue */
+ refill_from = rxq->cidx ? rxq->cidx - 1 : rxq->rx_queue_len - 1;
+
+ while (rx_pkts < num) {
+ volatile i40e_rx_desc_t *rxd = &rxq->rx_descs[rxq->cidx];
+ odp_packet_hdr_t *pkt_hdr;
+ odp_packet_t pkt;
+ uint16_t pkt_len;
+ uint64_t status_error_len;
+ int ret;
+
+ status_error_len = odp_le_to_cpu_64(rxd->status_error_len);
+ if (!status_error_len)
+ break;
+
+ pkt_len = (status_error_len & I40E_RXD_QW1_LEN_M) >>
+ I40E_RXD_QW1_LEN_S;
+
+ pkt = odp_packet_alloc(pkt_i40e->pool, pkt_len);
+ if (odp_unlikely(pkt == ODP_PACKET_INVALID))
+ break;
+
+ pkt_hdr = odp_packet_hdr(pkt);
+
+ ret = odp_packet_copy_from_mem(pkt, 0, pkt_len,
+ (uint8_t *)rxq->rx_data.vaddr +
+ rxq->cidx * I40E_RX_BUF_SIZE);
+ if (odp_unlikely(ret)) {
+ odp_packet_free(pkt);
+ break;
+ }
+
+ pkt_hdr->input = pktio_entry->s.handle;
+
+ rxq->cidx++;
+ if (odp_unlikely(rxq->cidx >= rxq->rx_queue_len))
+ rxq->cidx = 0;
+
+ pkt_table[rx_pkts] = pkt;
+ rx_pkts++;
+ }
+
+ if (rx_pkts)
+ i40e_rx_refill(rxq, refill_from, rx_pkts);
+
+ if (!pkt_i40e->lockless_rx)
+ odp_ticketlock_unlock(&rxq->lock);
+
+ return rx_pkts;
+}
+
+/**
+ * Helper function to build descriptor 2nd quad-word.
+ */
+static inline uint64_t txd_ctol(uint32_t cmd, uint32_t tag, uint32_t offset,
+ uint32_t len)
+{
+ return I40E_TXD_DTYPE_DATA |
+ ((uint64_t)cmd << I40E_TXD_QW1_CMD_S) |
+ ((uint64_t)tag << I40E_TXD_QW1_L2TAG1_S) |
+ ((uint64_t)offset << I40E_TXD_QW1_OFFSET_S) |
+ ((uint64_t)len << I40E_TXD_QW1_LEN_S);
+}
+
+static int i40e_send(pktio_entry_t *pktio_entry, int txq_idx,
+ const odp_packet_t pkt_table[], int num)
+{
+ pktio_ops_i40e_data_t *pkt_i40e = pktio_entry->s.ops_data;
+ i40e_tx_queue_t *txq = &pkt_i40e->tx_queues[txq_idx];
+ uint16_t budget, tx_txds = 0;
+ int tx_pkts = 0;
+
+ if (!pkt_i40e->lockless_tx)
+ odp_ticketlock_lock(&txq->lock);
+
+ /* Determine how many packets will fit in TX queue */
+ budget = txq->tx_queue_len - 1;
+ budget -= txq->pidx;
+ budget += odp_le_to_cpu_32(*txq->cidx);
+ budget &= txq->tx_queue_len - 1;
+
+ while (tx_txds < budget && tx_pkts < num) {
+ uint16_t pkt_len = _odp_packet_len(pkt_table[tx_pkts]);
+ uint32_t offset = txq->pidx * I40E_TX_BUF_SIZE;
+
+ i40e_tx_desc_t *txd = &txq->tx_descs[txq->pidx];
+
+ uint32_t txd_cmd = I40E_TXD_CMD_ICRC | I40E_TXD_CMD_EOP;
+
+ /* Skip undersized packets silently */
+ if (odp_unlikely(pkt_len < I40E_TX_PACKET_LEN_MIN)) {
+ tx_pkts++;
+ continue;
+ }
+
+ /* Skip oversized packets silently */
+ if (odp_unlikely(pkt_len > I40E_TX_BUF_SIZE)) {
+ tx_pkts++;
+ continue;
+ }
+
+ /* Request CIDX update from firmware from time to time */
+ if (!(txq->pidx & ((txq->tx_queue_len >> 2) - 1)))
+ txd_cmd |= I40E_TXD_CMD_RS;
+
+ odp_packet_copy_to_mem(pkt_table[tx_pkts], 0, pkt_len,
+ (uint8_t *)txq->tx_data.vaddr + offset);
+
+ txd->addr = odp_cpu_to_le_64(txq->tx_data.iova + offset);
+ txd->cmd_type_offset_len =
+ odp_cpu_to_le_64(txd_ctol(txd_cmd, 0, 0, pkt_len));
+
+ txq->pidx++;
+ if (odp_unlikely(txq->pidx >= txq->tx_queue_len))
+ txq->pidx -= txq->tx_queue_len;
+
+ tx_txds++;
+ tx_pkts++;
+ }
+
+ /* Ring the doorbell */
+ if (tx_pkts)
+ odpdrv_mmio_u32le_write(txq->pidx, txq->doorbell);
+
+ if (!pkt_i40e->lockless_tx)
+ odp_ticketlock_unlock(&txq->lock);
+
+ odp_packet_free_multi(pkt_table, tx_pkts);
+
+ return tx_pkts;
+}
+
+static int i40e_link_status(pktio_entry_t *pktio_entry)
+{
+ pktio_ops_i40e_data_t *pkt_i40e = pktio_entry->s.ops_data;
+
+ return link_status_fd(pkt_i40e->sockfd, pkt_i40e->mdev.if_name);
+}
+
+static void i40e_wait_link_up(pktio_entry_t *pktio_entry)
+{
+ while (!i40e_link_status(pktio_entry))
+ sleep(1);
+}
+
+static int i40e_capability(pktio_entry_t *pktio_entry,
+ odp_pktio_capability_t *capa)
+{
+ pktio_ops_i40e_data_t *pkt_i40e = pktio_entry->s.ops_data;
+
+ *capa = pkt_i40e->capa;
+ return 0;
+}
+
+static int i40e_input_queues_config(pktio_entry_t *pktio_entry,
+ const odp_pktin_queue_param_t *p)
+{
+ pktio_ops_i40e_data_t *pkt_i40e = pktio_entry->s.ops_data;
+
+ if (p->op_mode == ODP_PKTIO_OP_MT_UNSAFE)
+ pkt_i40e->lockless_rx = 1;
+ else
+ pkt_i40e->lockless_rx = 0;
+
+ return 0;
+}
+
+static int i40e_output_queues_config(pktio_entry_t *pktio_entry,
+ const odp_pktout_queue_param_t *p)
+{
+ pktio_ops_i40e_data_t *pkt_i40e = pktio_entry->s.ops_data;
+
+ if (p->op_mode == ODP_PKTIO_OP_MT_UNSAFE)
+ pkt_i40e->lockless_tx = 1;
+ else
+ pkt_i40e->lockless_tx = 0;
+
+ return 0;
+}
+
+static int i40e_mac_get(pktio_entry_t *pktio_entry, void *mac_addr)
+{
+ pktio_ops_i40e_data_t *pkt_i40e = pktio_entry->s.ops_data;
+
+ if (mac_addr_get_fd(pkt_i40e->sockfd, pkt_i40e->mdev.if_name,
+ mac_addr) < 0)
+ return -1;
+
+ return ETH_ALEN;
+}
+
+static int i40e_init_global(void)
+{
+ ODP_PRINT("PKTIO: initialized " MODULE_NAME " interface\n");
+ return 0;
+}
+
+static pktio_ops_module_t i40e_pktio_ops = {
+ .base = {
+ .name = MODULE_NAME,
+ .init_global = i40e_init_global,
+ },
+
+ .open = i40e_open,
+ .close = i40e_close,
+
+ .recv = i40e_recv,
+ .send = i40e_send,
+
+ .link_status = i40e_link_status,
+
+ .capability = i40e_capability,
+
+ .mac_get = i40e_mac_get,
+
+ .input_queues_config = i40e_input_queues_config,
+ .output_queues_config = i40e_output_queues_config,
+};
+
+/** i40e module entry point */
+ODP_MODULE_CONSTRUCTOR(netmap_pktio_ops)
+{
+ odp_module_constructor(&i40e_pktio_ops);
+
+ odp_subsystem_register_module(pktio_ops, &i40e_pktio_ops);
+}
+
+/*
+ * Temporary variable to enable link this module,
+ * will remove in Makefile scheme changes.
+ */
+int enable_link_i40e_pktio_ops;
+
+#endif /* ODP_MDEV */
diff --git a/platform/linux-generic/pktio/subsystem.c
b/platform/linux-generic/pktio/subsystem.c
index a3b36c144..d6d6c39d0 100644
--- a/platform/linux-generic/pktio/subsystem.c
+++ b/platform/linux-generic/pktio/subsystem.c
@@ -44,6 +44,9 @@ extern int enable_link_socket_mmap_pktio_ops;
#ifdef ODP_PKTIO_TAP
extern int enable_link_tap_pktio_ops;
#endif
+#ifdef ODP_MDEV
+extern int enable_link_i40e_pktio_ops;
+#endif
ODP_SUBSYSTEM_CONSTRUCTOR(pktio_ops)
{
@@ -73,4 +76,7 @@ ODP_SUBSYSTEM_CONSTRUCTOR(pktio_ops)
#ifdef ODP_PKTIO_TAP
enable_link_tap_pktio_ops = 1;
#endif
+#ifdef ODP_MDEV
+ enable_link_i40e_pktio_ops = 1;
+#endif
}
