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