Fm10k nic need to support check descriptor status APIs, they are
rte_eth_rx_descriptor_status and rte_eth_tx_descriptor_status.
So, this patch add ops with function pointer that enable feature.
Signed-off-by: Wei Zhao <wei.zh...@intel.com>
---
drivers/net/fm10k/fm10k.h | 7 +++++
drivers/net/fm10k/fm10k_ethdev.c | 2 ++
drivers/net/fm10k/fm10k_rxtx.c | 65 ++++++++++++++++++++++++++++++++++++++++
3 files changed, 74 insertions(+)
diff --git a/drivers/net/fm10k/fm10k.h b/drivers/net/fm10k/fm10k.h
index 30dad3e..65dc0bd 100644
--- a/drivers/net/fm10k/fm10k.h
+++ b/drivers/net/fm10k/fm10k.h
@@ -328,6 +328,13 @@ uint16_t fm10k_recv_scattered_pkts(void *rx_queue,
int
fm10k_dev_rx_descriptor_done(void *rx_queue, uint16_t offset);
+int
+fm10k_dev_rx_descriptor_status(void *rx_queue, uint16_t offset);
+
+int
+fm10k_dev_tx_descriptor_status(void *rx_queue, uint16_t offset);
+
+
uint16_t fm10k_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
uint16_t nb_pkts);
diff --git a/drivers/net/fm10k/fm10k_ethdev.c b/drivers/net/fm10k/fm10k_ethdev.c
index 9423761..9293828 100644
--- a/drivers/net/fm10k/fm10k_ethdev.c
+++ b/drivers/net/fm10k/fm10k_ethdev.c
@@ -2784,6 +2784,8 @@ static const struct eth_dev_ops fm10k_eth_dev_ops = {
.tx_queue_setup = fm10k_tx_queue_setup,
.tx_queue_release = fm10k_tx_queue_release,
.rx_descriptor_done = fm10k_dev_rx_descriptor_done,
+ .rx_descriptor_status = fm10k_dev_rx_descriptor_status,
+ .tx_descriptor_status = fm10k_dev_tx_descriptor_status,
.rx_queue_intr_enable = fm10k_dev_rx_queue_intr_enable,
.rx_queue_intr_disable = fm10k_dev_rx_queue_intr_disable,
.reta_update = fm10k_reta_update,
diff --git a/drivers/net/fm10k/fm10k_rxtx.c b/drivers/net/fm10k/fm10k_rxtx.c
index 9320748..fa4f028 100644
--- a/drivers/net/fm10k/fm10k_rxtx.c
+++ b/drivers/net/fm10k/fm10k_rxtx.c
@@ -389,6 +389,71 @@ fm10k_dev_rx_descriptor_done(void *rx_queue, uint16_t
offset)
return ret;
}
+int
+fm10k_dev_rx_descriptor_status(void *rx_queue, uint16_t offset)
+{
+ volatile union fm10k_rx_desc *rxdp;
+ struct fm10k_rx_queue *rxq = rx_queue;
+ uint16_t nb_hold, trigger_last;
+ uint16_t desc;
+ int ret;
+
+ if (unlikely(offset >= rxq->nb_desc)) {
+ PMD_DRV_LOG(ERR, "Invalid RX descriptor offset %u", offset);
+ return 0;
+ }
+
+ if (rxq->next_trigger < rxq->alloc_thresh)
+ trigger_last = rxq->next_trigger +
+ rxq->nb_desc - rxq->alloc_thresh;
+ else
+ trigger_last = rxq->next_trigger - rxq->alloc_thresh;
+
+ if (rxq->next_dd < trigger_last)
+ nb_hold = rxq->next_dd + rxq->nb_desc - trigger_last;
+ else
+ nb_hold = rxq->next_dd - trigger_last;
+
+ if (offset >= rxq->nb_desc - nb_hold)
+ return RTE_ETH_RX_DESC_UNAVAIL;
+
+ desc = rxq->next_dd + offset;
+ if (desc >= rxq->nb_desc)
+ desc -= rxq->nb_desc;
+
+ rxdp = &rxq->hw_ring[desc];
+
+ ret = !!(rxdp->w.status &
+ rte_cpu_to_le_16(FM10K_RXD_STATUS_DD));
+
+ return ret;
+}
+
+int
+fm10k_dev_tx_descriptor_status(void *tx_queue, uint16_t offset)
+{
+ volatile struct fm10k_tx_desc *txdp;
+ struct fm10k_tx_queue *txq = tx_queue;
+ uint16_t desc;
+ int ret;
+
+ if (unlikely(offset >= txq->nb_desc)) {
+ PMD_DRV_LOG(ERR, "Invalid TX descriptor offset %u", offset);
+ return 0;
+ }
+
+ desc = txq->next_dd + offset;
+ if (desc >= txq->nb_desc)
+ desc -= txq->nb_desc;
+
+ txdp = &txq->hw_ring[desc];
+
+ ret = !!(txdp->flags &
+ rte_cpu_to_le_16(FM10K_TXD_FLAG_DONE));
+
+ return ret;
+}
+
/*
* Free multiple TX mbuf at a time if they are in the same pool
*
--
2.9.3
