net/ice: fix wrong Tx function selection
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Commit Message
Add ice_set_tx_function_flag() to configure tx_simple_allowed properly.
Fixes: 6eac0b7fde95 ("net/ice: support advance Rx/Tx")
Signed-off-by: Leyi Rong <leyi.rong@intel.com>
---
drivers/net/ice/ice_rxtx.c | 22 ++++++++++++++++++++++
drivers/net/ice/ice_rxtx.h | 2 ++
2 files changed, 24 insertions(+)
Comments
> -----Original Message-----
> From: Rong, Leyi
> Sent: Friday, April 19, 2019 11:04 AM
> To: Lu, Wenzhuo <wenzhuo.lu@intel.com>; Zhang, Qi Z <qi.z.zhang@intel.com>
> Cc: dev@dpdk.org; Rong, Leyi <leyi.rong@intel.com>
> Subject: [PATCH] net/ice: fix wrong Tx function selection
>
> Add ice_set_tx_function_flag() to configure tx_simple_allowed properly.
>
> Fixes: 6eac0b7fde95 ("net/ice: support advance Rx/Tx")
>
> Signed-off-by: Leyi Rong <leyi.rong@intel.com>
Acked-by: Qi Zhang <qi.z.zhang@intel.com>
Applied to dpdk-next-net-intel.
Thanks
Qi
@@ -885,6 +885,7 @@ ice_tx_queue_setup(struct rte_eth_dev *dev,
txq->q_set = TRUE;
dev->data->tx_queues[queue_idx] = txq;
txq->tx_rel_mbufs = _ice_tx_queue_release_mbufs;
+ ice_set_tx_function_flag(dev, txq);
return 0;
}
@@ -2305,6 +2306,27 @@ ice_set_rx_function(struct rte_eth_dev *dev)
}
}
+void __attribute__((cold))
+ice_set_tx_function_flag(struct rte_eth_dev *dev, struct ice_tx_queue *txq)
+{
+ struct ice_adapter *ad =
+ ICE_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
+
+ /* Use a simple Tx queue if possible (only fast free is allowed) */
+ ad->tx_simple_allowed =
+ (txq->offloads ==
+ (txq->offloads & DEV_TX_OFFLOAD_MBUF_FAST_FREE) &&
+ txq->tx_rs_thresh >= ICE_TX_MAX_BURST);
+
+ if (ad->tx_simple_allowed)
+ PMD_INIT_LOG(DEBUG, "Simple Tx can be enabled on Tx queue %u.",
+ txq->queue_id);
+ else
+ PMD_INIT_LOG(DEBUG,
+ "Simple Tx can NOT be enabled on Tx queue %u.",
+ txq->queue_id);
+}
+
/*********************************************************************
*
* TX prep functions
@@ -158,6 +158,8 @@ uint16_t ice_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
void ice_set_rx_function(struct rte_eth_dev *dev);
uint16_t ice_prep_pkts(__rte_unused void *tx_queue, struct rte_mbuf **tx_pkts,
uint16_t nb_pkts);
+void ice_set_tx_function_flag(struct rte_eth_dev *dev,
+ struct ice_tx_queue *txq);
void ice_set_tx_function(struct rte_eth_dev *dev);
uint32_t ice_rx_queue_count(struct rte_eth_dev *dev, uint16_t rx_queue_id);
void ice_rxq_info_get(struct rte_eth_dev *dev, uint16_t queue_id,