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net/bnxt: support Tx descriptor status

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Add support for tx_descriptor_status dev_op

Signed-off-by: Ajit Khaparde <ajit.khaparde@broadcom.com>
This commit is contained in:
Ajit Khaparde 2017-09-28 16:43:37 -05:00 committed by Ferruh Yigit
parent 0fe613bb87
commit 478ed3bb7b
3 changed files with 42 additions and 0 deletions
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1
doc/guides/nics/features/bnxt.ini
View File

@ -18,6 +18,7 @@ SR-IOV = Y
VLAN filter = Y
VLAN offload = Y
Rx descriptor status = Y
Tx descriptor status = Y
Basic stats = Y
Extended stats = Y
FW version = Y

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

@ -1610,6 +1610,43 @@ bnxt_rx_descriptor_status_op(void *rx_queue, uint16_t offset)
return RTE_ETH_RX_DESC_AVAIL;
}
static int
bnxt_tx_descriptor_status_op(void *tx_queue, uint16_t offset)
{
struct bnxt_tx_queue *txq = (struct bnxt_tx_queue *)tx_queue;
struct bnxt_tx_ring_info *txr;
struct bnxt_cp_ring_info *cpr;
struct bnxt_sw_tx_bd *tx_buf;
struct tx_pkt_cmpl *txcmp;
uint32_t cons, cp_cons;
if (!txq)
return -EINVAL;
cpr = txq->cp_ring;
txr = txq->tx_ring;
if (offset >= txq->nb_tx_desc)
return -EINVAL;
cons = RING_CMP(cpr->cp_ring_struct, offset);
txcmp = (struct tx_pkt_cmpl *)&cpr->cp_desc_ring[cons];
cp_cons = cpr->cp_raw_cons;
if (cons > cp_cons) {
if (CMPL_VALID(txcmp, cpr->valid))
return RTE_ETH_TX_DESC_UNAVAIL;
} else {
if (CMPL_VALID(txcmp, !cpr->valid))
return RTE_ETH_TX_DESC_UNAVAIL;
}
tx_buf = &txr->tx_buf_ring[cons];
if (tx_buf->mbuf == NULL)
return RTE_ETH_TX_DESC_DONE;
return RTE_ETH_TX_DESC_FULL;
}
/*
* Initialization
*/
@ -1661,6 +1698,7 @@ static const struct eth_dev_ops bnxt_dev_ops = {
.xstats_get_names_by_id = bnxt_dev_xstats_get_names_by_id_op,
.rx_queue_count = bnxt_rx_queue_count_op,
.rx_descriptor_status = bnxt_rx_descriptor_status_op,
.tx_descriptor_status = bnxt_tx_descriptor_status_op,
};
static bool bnxt_vf_pciid(uint16_t id)

3
drivers/net/bnxt/bnxt_txr.c
View File

@ -313,6 +313,9 @@ static int bnxt_handle_tx_cp(struct bnxt_tx_queue *txq)
if (!CMP_VALID(txcmp, raw_cons, cpr->cp_ring_struct))
break;
cpr->valid = FLIP_VALID(cons,
cpr->cp_ring_struct->ring_mask,
cpr->valid);
if (CMP_TYPE(txcmp) == TX_CMPL_TYPE_TX_L2)
nb_tx_pkts++;