Signed-off-by: Olivier Matz <olivier.m...@6wind.com>
---
doc/guides/nics/features/igb.ini | 2 ++
doc/guides/nics/features/igb_vf.ini | 2 ++
drivers/net/e1000/e1000_ethdev.h | 3 +++
drivers/net/e1000/igb_ethdev.c | 2 ++
drivers/net/e1000/igb_rxtx.c | 45 +++++++++++++++++++++++++++++++++++++
5 files changed, 54 insertions(+)
diff --git a/doc/guides/nics/features/igb.ini b/doc/guides/nics/features/igb.ini
index 26ae008..6a7df60 100644
--- a/doc/guides/nics/features/igb.ini
+++ b/doc/guides/nics/features/igb.ini
@@ -33,6 +33,8 @@ L3 checksum offload = Y
L4 checksum offload = Y
Packet type parsing = Y
Timesync = Y
+Rx Descriptor Status = Y
+Tx Descriptor Status = Y
Basic stats = Y
Extended stats = Y
FW version = Y
diff --git a/doc/guides/nics/features/igb_vf.ini
b/doc/guides/nics/features/igb_vf.ini
index b617820..653b5da 100644
--- a/doc/guides/nics/features/igb_vf.ini
+++ b/doc/guides/nics/features/igb_vf.ini
@@ -17,6 +17,8 @@ QinQ offload = Y
L3 checksum offload = Y
L4 checksum offload = Y
Packet type parsing = Y
+Rx Descriptor Status = Y
+Tx Descriptor Status = Y
Basic stats = Y
Extended stats = Y
Registers dump = Y
diff --git a/drivers/net/e1000/e1000_ethdev.h b/drivers/net/e1000/e1000_ethdev.h
index 81a6dbb..564438d 100644
--- a/drivers/net/e1000/e1000_ethdev.h
+++ b/drivers/net/e1000/e1000_ethdev.h
@@ -311,6 +311,9 @@ uint32_t eth_igb_rx_queue_count(struct rte_eth_dev *dev,
int eth_igb_rx_descriptor_done(void *rx_queue, uint16_t offset);
+int eth_igb_rx_descriptor_status(void *rx_queue, uint16_t offset);
+int eth_igb_tx_descriptor_status(void *tx_queue, uint16_t offset);
+
int eth_igb_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_queue_id,
uint16_t nb_tx_desc, unsigned int socket_id,
const struct rte_eth_txconf *tx_conf);
diff --git a/drivers/net/e1000/igb_ethdev.c b/drivers/net/e1000/igb_ethdev.c
index a112b38..f6ed824 100644
--- a/drivers/net/e1000/igb_ethdev.c
+++ b/drivers/net/e1000/igb_ethdev.c
@@ -406,6 +406,8 @@ static const struct eth_dev_ops eth_igb_ops = {
.rx_queue_release = eth_igb_rx_queue_release,
.rx_queue_count = eth_igb_rx_queue_count,
.rx_descriptor_done = eth_igb_rx_descriptor_done,
+ .rx_descriptor_status = eth_igb_rx_descriptor_status,
+ .tx_descriptor_status = eth_igb_tx_descriptor_status,
.tx_queue_setup = eth_igb_tx_queue_setup,
.tx_queue_release = eth_igb_tx_queue_release,
.dev_led_on = eth_igb_led_on,
diff --git a/drivers/net/e1000/igb_rxtx.c b/drivers/net/e1000/igb_rxtx.c
index c9cf392..7190738 100644
--- a/drivers/net/e1000/igb_rxtx.c
+++ b/drivers/net/e1000/igb_rxtx.c
@@ -1606,6 +1606,51 @@ eth_igb_rx_descriptor_done(void *rx_queue, uint16_t
offset)
return !!(rxdp->wb.upper.status_error & E1000_RXD_STAT_DD);
}
+int
+eth_igb_rx_descriptor_status(void *rx_queue, uint16_t offset)
+{
+ struct igb_rx_queue *rxq = rx_queue;
+ volatile uint32_t *status;
+ uint32_t desc;
+
+ if (unlikely(offset >= rxq->nb_rx_desc))
+ return -EINVAL;
+
+ if (offset >= rxq->nb_rx_desc - rxq->nb_rx_hold)
+ return RTE_ETH_RX_DESC_UNAVAIL;
+
+ desc = rxq->rx_tail + offset;
+ if (desc >= rxq->nb_rx_desc)
+ desc -= rxq->nb_rx_desc;
+
+ status = &rxq->rx_ring[desc].wb.upper.status_error;
+ if (*status & rte_cpu_to_le_32(E1000_RXD_STAT_DD))
+ return RTE_ETH_RX_DESC_DONE;
+
+ return RTE_ETH_RX_DESC_AVAIL;
+}
+
+int
+eth_igb_tx_descriptor_status(void *tx_queue, uint16_t offset)
+{
+ struct igb_tx_queue *txq = tx_queue;
+ volatile uint32_t *status;
+ uint32_t desc;
+
+ if (unlikely(offset >= txq->nb_tx_desc))
+ return -EINVAL;
+
+ desc = txq->tx_tail + offset;
+ if (desc >= txq->nb_tx_desc)
+ desc -= txq->nb_tx_desc;
+
+ status = &txq->tx_ring[desc].wb.status;
+ if (*status & rte_cpu_to_le_32(E1000_TXD_STAT_DD))
+ return RTE_ETH_TX_DESC_DONE;
+
+ return RTE_ETH_TX_DESC_FULL;
+}
+
void
igb_dev_clear_queues(struct rte_eth_dev *dev)
{
--
2.8.1
