Add support to the ice driver for the API rte_eth_tx_done_cleanup
to force free consumed buffers on Tx ring.
Signed-off-by: Di ChenxuX <chenxux...@intel.com>
---
drivers/net/ice/ice_ethdev.c | 1 +
drivers/net/ice/ice_rxtx.c | 41 ++++++++++++++++++++++++++++++++++++
drivers/net/ice/ice_rxtx.h | 1 +
3 files changed, 43 insertions(+)
diff --git a/drivers/net/ice/ice_ethdev.c b/drivers/net/ice/ice_ethdev.c
index 63997fdfb..617f7b2ac 100644
--- a/drivers/net/ice/ice_ethdev.c
+++ b/drivers/net/ice/ice_ethdev.c
@@ -160,6 +160,7 @@ static const struct eth_dev_ops ice_eth_dev_ops = {
.filter_ctrl = ice_dev_filter_ctrl,
.udp_tunnel_port_add = ice_dev_udp_tunnel_port_add,
.udp_tunnel_port_del = ice_dev_udp_tunnel_port_del,
+ .tx_done_cleanup = ice_tx_done_cleanup,
};
/* store statistics names and its offset in stats structure */
diff --git a/drivers/net/ice/ice_rxtx.c b/drivers/net/ice/ice_rxtx.c
index 81af81441..f991cb6c0 100644
--- a/drivers/net/ice/ice_rxtx.c
+++ b/drivers/net/ice/ice_rxtx.c
@@ -579,6 +579,47 @@ ice_tx_queue_stop(struct rte_eth_dev *dev, uint16_t
tx_queue_id)
return 0;
}
+
+int ice_tx_done_cleanup(void *txq, uint32_t free_cnt)
+{
+ struct ice_tx_queue *q = (struct ice_tx_queue *)txq;
+ struct ice_tx_entry *sw_ring;
+ uint16_t tx_id; /* Current segment being processed. */
+ uint16_t tx_cleaned;
+
+ int count = 0;
+
+ if (q == NULL)
+ return -ENODEV;
+
+ sw_ring = q->sw_ring;
+ tx_cleaned = q->last_desc_cleaned;
+ tx_id = sw_ring[q->last_desc_cleaned].next_id;
+ if ((q->tx_ring[tx_id].cmd_type_offset_bsz &
+ rte_cpu_to_le_64(ICE_TXD_QW1_DTYPE_M)) !=
+ rte_cpu_to_le_64(ICE_TX_DESC_DTYPE_DESC_DONE))
+ return 0;
+
+ do {
+ if (sw_ring[tx_id].mbuf == NULL)
+ break;
+
+ rte_pktmbuf_free_seg(sw_ring[tx_id].mbuf);
+ sw_ring[tx_id].mbuf = NULL;
+ sw_ring[tx_id].last_id = tx_id;
+
+ /* Move to next segemnt. */
+ tx_cleaned = tx_id;
+ tx_id = sw_ring[tx_id].next_id;
+ count++;
+ } while (count != (int)free_cnt);
+
+ q->nb_tx_free += (uint16_t)count;
+ q->last_desc_cleaned = tx_cleaned;
+
+ return count;
+}
+
int
ice_rx_queue_setup(struct rte_eth_dev *dev,
uint16_t queue_idx,
diff --git a/drivers/net/ice/ice_rxtx.h b/drivers/net/ice/ice_rxtx.h
index e9214110c..1ac3f3f91 100644
--- a/drivers/net/ice/ice_rxtx.h
+++ b/drivers/net/ice/ice_rxtx.h
@@ -170,6 +170,7 @@ int ice_rx_descriptor_status(void *rx_queue, uint16_t
offset);
int ice_tx_descriptor_status(void *tx_queue, uint16_t offset);
void ice_set_default_ptype_table(struct rte_eth_dev *dev);
const uint32_t *ice_dev_supported_ptypes_get(struct rte_eth_dev *dev);
+int ice_tx_done_cleanup(void *txq, uint32_t free_cnt);
int ice_rx_vec_dev_check(struct rte_eth_dev *dev);
int ice_tx_vec_dev_check(struct rte_eth_dev *dev);
--
2.17.1
