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net/bnxt: support enable/disable interrupt

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Implement Rx Queue interrupt enable/disable functions

Signed-off-by: Somnath Kotur <somnath.kotur@broadcom.com>
Signed-off-by: Ajit Khaparde <ajit.khaparde@broadcom.com>
This commit is contained in:
Somnath Kotur 2017-09-28 16:43:45 -05:00 committed by Ferruh Yigit
parent 19e6af01bb
commit 1fe427fd08
5 changed files with 100 additions and 0 deletions
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1
doc/guides/nics/features/bnxt.ini
View File

@ -5,6 +5,7 @@
;
[Features]
Link status = Y
Rx interrupt = Y
Queue start/stop = Y
MTU update = Y
Jumbo frame = Y

54
drivers/net/bnxt/bnxt_ethdev.c
View File

@ -202,8 +202,16 @@ static int bnxt_init_chip(struct bnxt *bp)
{
unsigned int i, rss_idx, fw_idx;
struct rte_eth_link new;
struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(bp->eth_dev);
struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
uint32_t intr_vector = 0;
uint32_t queue_id, base = BNXT_MISC_VEC_ID;
uint32_t vec = BNXT_MISC_VEC_ID;
int rc;
/* disable uio/vfio intr/eventfd mapping */
rte_intr_disable(intr_handle);
if (bp->eth_dev->data->mtu > ETHER_MTU) {
bp->eth_dev->data->dev_conf.rxmode.jumbo_frame = 1;
bp->flags |= BNXT_FLAG_JUMBO;
@ -306,6 +314,48 @@ static int bnxt_init_chip(struct bnxt *bp)
goto err_out;
}
/* check and configure queue intr-vector mapping */
if ((rte_intr_cap_multiple(intr_handle) ||
!RTE_ETH_DEV_SRIOV(bp->eth_dev).active) &&
bp->eth_dev->data->dev_conf.intr_conf.rxq != 0) {
intr_vector = bp->eth_dev->data->nb_rx_queues;
RTE_LOG(INFO, PMD, "%s(): intr_vector = %d\n", __func__,
intr_vector);
if (intr_vector > bp->rx_cp_nr_rings) {
RTE_LOG(ERR, PMD, "At most %d intr queues supported",
bp->rx_cp_nr_rings);
return -ENOTSUP;
}
if (rte_intr_efd_enable(intr_handle, intr_vector))
return -1;
}
if (rte_intr_dp_is_en(intr_handle) && !intr_handle->intr_vec) {
intr_handle->intr_vec =
rte_zmalloc("intr_vec",
bp->eth_dev->data->nb_rx_queues *
sizeof(int), 0);
if (intr_handle->intr_vec == NULL) {
RTE_LOG(ERR, PMD, "Failed to allocate %d rx_queues"
" intr_vec", bp->eth_dev->data->nb_rx_queues);
return -ENOMEM;
}
RTE_LOG(DEBUG, PMD, "%s(): intr_handle->intr_vec = %p "
"intr_handle->nb_efd = %d intr_handle->max_intr = %d\n",
__func__, intr_handle->intr_vec, intr_handle->nb_efd,
intr_handle->max_intr);
}
for (queue_id = 0; queue_id < bp->eth_dev->data->nb_rx_queues;
queue_id++) {
intr_handle->intr_vec[queue_id] = vec;
if (vec < base + intr_handle->nb_efd - 1)
vec++;
}
/* enable uio/vfio intr/eventfd mapping */
rte_intr_enable(intr_handle);
rc = bnxt_get_hwrm_link_config(bp, &new);
if (rc) {
RTE_LOG(ERR, PMD, "HWRM Get link config failure rc: %x\n", rc);
@ -421,6 +471,8 @@ static void bnxt_dev_info_get_op(struct rte_eth_dev *eth_dev,
};
eth_dev->data->dev_conf.intr_conf.lsc = 1;
eth_dev->data->dev_conf.intr_conf.rxq = 1;
/* *INDENT-ON* */
/*
@ -2009,6 +2061,8 @@ static const struct eth_dev_ops bnxt_dev_ops = {
.rx_queue_release = bnxt_rx_queue_release_op,
.tx_queue_setup = bnxt_tx_queue_setup_op,
.tx_queue_release = bnxt_tx_queue_release_op,
.rx_queue_intr_enable = bnxt_rx_queue_intr_enable_op,
.rx_queue_intr_disable = bnxt_rx_queue_intr_disable_op,
.reta_update = bnxt_reta_update_op,
.reta_query = bnxt_reta_query_op,
.rss_hash_update = bnxt_rss_hash_update_op,

3
drivers/net/bnxt/bnxt_irq.h
View File

@ -34,6 +34,9 @@
#ifndef _BNXT_IRQ_H_
#define _BNXT_IRQ_H_
#define BNXT_MISC_VEC_ID RTE_INTR_VEC_ZERO_OFFSET
#define BNXT_RX_VEC_START RTE_INTR_VEC_RXTX_OFFSET
struct bnxt_irq {
rte_intr_callback_fn handler;
unsigned int vector;

38
drivers/net/bnxt/bnxt_rxq.c
View File

@ -362,3 +362,41 @@ int bnxt_rx_queue_setup_op(struct rte_eth_dev *eth_dev,
out:
return rc;
}
int
bnxt_rx_queue_intr_enable_op(struct rte_eth_dev *eth_dev, uint16_t queue_id)
{
struct bnxt_rx_queue *rxq;
struct bnxt_cp_ring_info *cpr;
int rc = 0;
if (eth_dev->data->rx_queues) {
rxq = eth_dev->data->rx_queues[queue_id];
if (!rxq) {
rc = -EINVAL;
return rc;
}
cpr = rxq->cp_ring;
B_CP_DB_ARM(cpr);
}
return rc;
}
int
bnxt_rx_queue_intr_disable_op(struct rte_eth_dev *eth_dev, uint16_t queue_id)
{
struct bnxt_rx_queue *rxq;
struct bnxt_cp_ring_info *cpr;
int rc = 0;
if (eth_dev->data->rx_queues) {
rxq = eth_dev->data->rx_queues[queue_id];
if (!rxq) {
rc = -EINVAL;
return rc;
}
cpr = rxq->cp_ring;
B_CP_DB_DISARM(cpr);
}
return rc;
}

4
drivers/net/bnxt/bnxt_rxq.h
View File

@ -73,5 +73,9 @@ int bnxt_rx_queue_setup_op(struct rte_eth_dev *eth_dev,
const struct rte_eth_rxconf *rx_conf,
struct rte_mempool *mp);
void bnxt_free_rx_mbufs(struct bnxt *bp);
int bnxt_rx_queue_intr_enable_op(struct rte_eth_dev *eth_dev,
uint16_t queue_id);
int bnxt_rx_queue_intr_disable_op(struct rte_eth_dev *eth_dev,
uint16_t queue_id);
#endif