Support the creation of multiple ports from one ark device via
the use of ark pmd extension.  I.e., one device with q queue can
seen a p ports each with q/p queues.

Add unique dev_private data for each port to manage queue assignment.

This patch repairs a latent issue uncovered during testing.
Fixes: 6799275eeea6 ("net/ark: support virtual functions")
Cc: sta...@dpdk.org
Backporting is not requested.

Signed-off-by: Ed Czeck <ed.cz...@atomicrules.com>
---
 drivers/net/ark/ark_ethdev.c    | 15 ++++++++++++++-
 drivers/net/ark/ark_ethdev_rx.c |  6 +++---
 drivers/net/ark/ark_ethdev_tx.c |  2 +-
 drivers/net/ark/ark_global.h    |  3 +++
 4 files changed, 21 insertions(+), 5 deletions(-)

diff --git a/drivers/net/ark/ark_ethdev.c b/drivers/net/ark/ark_ethdev.c
index 3ddcc9b461..90d3c8abe6 100644
--- a/drivers/net/ark/ark_ethdev.c
+++ b/drivers/net/ark/ark_ethdev.c
@@ -300,6 +300,7 @@ eth_ark_dev_init(struct rte_eth_dev *dev)
        int ret;
        int port_count = 1;
        int p;
+       uint16_t num_queues;
        bool rqpacing = false;
 
        ark->eth_dev = dev;
@@ -427,6 +428,7 @@ eth_ark_dev_init(struct rte_eth_dev *dev)
                        ark->user_ext.dev_get_port_count(dev,
                                 ark->user_data[dev->data->port_id]);
        ark->num_ports = port_count;
+       num_queues = ark_api_num_queues_per_port(ark->mpurx.v, port_count);
 
        for (p = 0; p < port_count; p++) {
                struct rte_eth_dev *eth_dev;
@@ -452,7 +454,18 @@ eth_ark_dev_init(struct rte_eth_dev *dev)
                }
 
                eth_dev->device = &pci_dev->device;
-               eth_dev->data->dev_private = ark;
+               /* Device requires new dev_private data */
+               eth_dev->data->dev_private =
+                       rte_zmalloc_socket(name,
+                                          sizeof(struct ark_adapter),
+                                          RTE_CACHE_LINE_SIZE,
+                                          rte_socket_id());
+
+               memcpy(eth_dev->data->dev_private, ark,
+                      sizeof(struct ark_adapter));
+               ark = eth_dev->data->dev_private;
+               ark->qbase = p * num_queues;
+
                eth_dev->dev_ops = ark->eth_dev->dev_ops;
                eth_dev->tx_pkt_burst = ark->eth_dev->tx_pkt_burst;
                eth_dev->rx_pkt_burst = ark->eth_dev->rx_pkt_burst;
diff --git a/drivers/net/ark/ark_ethdev_rx.c b/drivers/net/ark/ark_ethdev_rx.c
index cbc0416bc2..38bc69dff4 100644
--- a/drivers/net/ark/ark_ethdev_rx.c
+++ b/drivers/net/ark/ark_ethdev_rx.c
@@ -68,7 +68,7 @@ struct ark_rx_queue {
 static int
 eth_ark_rx_hw_setup(struct rte_eth_dev *dev,
                    struct ark_rx_queue *queue,
-                   uint16_t rx_queue_id __rte_unused, uint16_t rx_queue_idx)
+                   uint16_t rx_queue_idx)
 {
        rte_iova_t queue_base;
        rte_iova_t phys_addr_q_base;
@@ -124,7 +124,7 @@ eth_ark_dev_rx_queue_setup(struct rte_eth_dev *dev,
        uint32_t i;
        int status;
 
-       int qidx = queue_idx;
+       int qidx = ark->qbase + queue_idx;
 
        /* We may already be setup, free memory prior to re-allocation */
        if (dev->data->rx_queues[queue_idx] != NULL) {
@@ -215,7 +215,7 @@ eth_ark_dev_rx_queue_setup(struct rte_eth_dev *dev,
        }
        /* MPU Setup */
        if (status == 0)
-               status = eth_ark_rx_hw_setup(dev, queue, qidx, queue_idx);
+               status = eth_ark_rx_hw_setup(dev, queue, queue_idx);
 
        if (unlikely(status != 0)) {
                struct rte_mbuf **mbuf;
diff --git a/drivers/net/ark/ark_ethdev_tx.c b/drivers/net/ark/ark_ethdev_tx.c
index 5940a592a2..4792754f19 100644
--- a/drivers/net/ark/ark_ethdev_tx.c
+++ b/drivers/net/ark/ark_ethdev_tx.c
@@ -229,7 +229,7 @@ eth_ark_tx_queue_setup(struct rte_eth_dev *dev,
        struct ark_tx_queue *queue;
        int status;
 
-       int qidx = queue_idx;
+       int qidx = ark->qbase + queue_idx;
 
        if (!rte_is_power_of_2(nb_desc)) {
                ARK_PMD_LOG(ERR,
diff --git a/drivers/net/ark/ark_global.h b/drivers/net/ark/ark_global.h
index 71d0b53e03..2f198edfe4 100644
--- a/drivers/net/ark/ark_global.h
+++ b/drivers/net/ark/ark_global.h
@@ -112,7 +112,10 @@ struct ark_adapter {
        ark_pkt_chkr_t pc;
        ark_pkt_dir_t pd;
 
+       /* For single function, multiple ports */
        int num_ports;
+       uint16_t qbase;
+
        bool isvf;
 
        /* Packet generator/checker args */
-- 
2.34.1

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