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net/bnxt: support Rx descriptor status

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Add support for rx_descriptor_status dev_op

Signed-off-by: Ajit Khaparde <ajit.khaparde@broadcom.com>
This commit is contained in:
Ajit Khaparde 2017-09-28 16:43:36 -05:00 committed by Ferruh Yigit
parent 1b7ceba3e3
commit 0fe613bb87
2 changed files with 40 additions and 0 deletions
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1
doc/guides/nics/features/bnxt.ini
View File

@ -17,6 +17,7 @@ RSS reta update = Y
SR-IOV = Y
VLAN filter = Y
VLAN offload = Y
Rx descriptor status = Y
Basic stats = Y
Extended stats = Y
FW version = Y

39
drivers/net/bnxt/bnxt_ethdev.c
View File

@ -1572,6 +1572,44 @@ bnxt_rx_queue_count_op(struct rte_eth_dev *dev, uint16_t rx_queue_id)
return desc;
}
static int
bnxt_rx_descriptor_status_op(void *rx_queue, uint16_t offset)
{
struct bnxt_rx_queue *rxq = (struct bnxt_rx_queue *)rx_queue;
struct bnxt_rx_ring_info *rxr;
struct bnxt_cp_ring_info *cpr;
struct bnxt_sw_rx_bd *rx_buf;
struct rx_pkt_cmpl *rxcmp;
uint32_t cons, cp_cons;
if (!rxq)
return -EINVAL;
cpr = rxq->cp_ring;
rxr = rxq->rx_ring;
if (offset >= rxq->nb_rx_desc)
return -EINVAL;
cons = RING_CMP(cpr->cp_ring_struct, offset);
cp_cons = cpr->cp_raw_cons;
rxcmp = (struct rx_pkt_cmpl *)&cpr->cp_desc_ring[cons];
if (cons > cp_cons) {
if (CMPL_VALID(rxcmp, cpr->valid))
return RTE_ETH_RX_DESC_DONE;
} else {
if (CMPL_VALID(rxcmp, !cpr->valid))
return RTE_ETH_RX_DESC_DONE;
}
rx_buf = &rxr->rx_buf_ring[cons];
if (rx_buf->mbuf == NULL)
return RTE_ETH_RX_DESC_UNAVAIL;
return RTE_ETH_RX_DESC_AVAIL;
}
/*
* Initialization
*/
@ -1622,6 +1660,7 @@ static const struct eth_dev_ops bnxt_dev_ops = {
.xstats_get_by_id = bnxt_dev_xstats_get_by_id_op,
.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,
};
static bool bnxt_vf_pciid(uint16_t id)