diff mbox series

[v5,20/21] net/cpfl: support scalar scatter Rx datapath for single queue model

Message ID 20230209084541.2712723-21-mingxia.liu@intel.com (mailing list archive)
State Superseded, archived
Delegated to: Ferruh Yigit
Headers
Series add support for cpfl PMD in DPDK |

Checks

Context Check Description
ci/checkpatch success coding style OK

Commit Message

Liu, Mingxia Feb. 9, 2023, 8:45 a.m. UTC 
  This patch add single q recv scatter Rx function.

Signed-off-by: Wenjun Wu <wenjun1.wu@intel.com>
Signed-off-by: Mingxia Liu <mingxia.liu@intel.com>
---
 drivers/net/cpfl/cpfl_ethdev.c |  3 ++-
 drivers/net/cpfl/cpfl_rxtx.c   | 27 +++++++++++++++++++++++++++
 drivers/net/cpfl/cpfl_rxtx.h   |  2 ++
 3 files changed, 31 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/net/cpfl/cpfl_ethdev.c b/drivers/net/cpfl/cpfl_ethdev.c
index c657f9c7cc..a97d9b4494 100644
--- a/drivers/net/cpfl/cpfl_ethdev.c
+++ b/drivers/net/cpfl/cpfl_ethdev.c
@@ -157,7 +157,8 @@  cpfl_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
 		RTE_ETH_RX_OFFLOAD_UDP_CKSUM            |
 		RTE_ETH_RX_OFFLOAD_TCP_CKSUM            |
 		RTE_ETH_RX_OFFLOAD_OUTER_IPV4_CKSUM     |
-		RTE_ETH_RX_OFFLOAD_TIMESTAMP;
+		RTE_ETH_RX_OFFLOAD_TIMESTAMP		|
+		RTE_ETH_RX_OFFLOAD_SCATTER;
 
 	dev_info->tx_offload_capa =
 		RTE_ETH_TX_OFFLOAD_IPV4_CKSUM		|
diff --git a/drivers/net/cpfl/cpfl_rxtx.c b/drivers/net/cpfl/cpfl_rxtx.c
index d55ce9696d..f4b76e0f90 100644
--- a/drivers/net/cpfl/cpfl_rxtx.c
+++ b/drivers/net/cpfl/cpfl_rxtx.c
@@ -503,6 +503,8 @@  int
 cpfl_rx_queue_init(struct rte_eth_dev *dev, uint16_t rx_queue_id)
 {
 	struct idpf_rx_queue *rxq;
+	uint16_t max_pkt_len;
+	uint32_t frame_size;
 	int err;
 
 	if (rx_queue_id >= dev->data->nb_rx_queues)
@@ -516,6 +518,17 @@  cpfl_rx_queue_init(struct rte_eth_dev *dev, uint16_t rx_queue_id)
 		return -EINVAL;
 	}
 
+	frame_size = dev->data->mtu + CPFL_ETH_OVERHEAD;
+
+	max_pkt_len =
+	    RTE_MIN((uint32_t)CPFL_SUPPORT_CHAIN_NUM * rxq->rx_buf_len,
+		    frame_size);
+
+	rxq->max_pkt_len = max_pkt_len;
+	if ((dev->data->dev_conf.rxmode.offloads & RTE_ETH_RX_OFFLOAD_SCATTER) ||
+	    frame_size > rxq->rx_buf_len)
+		dev->data->scattered_rx = 1;
+
 	err = idpf_qc_ts_mbuf_register(rxq);
 	if (err != 0) {
 		PMD_DRV_LOG(ERR, "fail to register timestamp mbuf %u",
@@ -808,6 +821,13 @@  cpfl_set_rx_function(struct rte_eth_dev *dev)
 			}
 #endif /* CC_AVX512_SUPPORT */
 		}
+		if (dev->data->scattered_rx) {
+			PMD_DRV_LOG(NOTICE,
+				    "Using Single Scalar Scatterd Rx (port %d).",
+				    dev->data->port_id);
+			dev->rx_pkt_burst = idpf_dp_singleq_recv_scatter_pkts;
+			return;
+		}
 		PMD_DRV_LOG(NOTICE,
 			    "Using Single Scalar Rx (port %d).",
 			    dev->data->port_id);
@@ -820,6 +840,13 @@  cpfl_set_rx_function(struct rte_eth_dev *dev)
 			    dev->data->port_id);
 		dev->rx_pkt_burst = idpf_dp_splitq_recv_pkts;
 	} else {
+		if (dev->data->scattered_rx) {
+			PMD_DRV_LOG(NOTICE,
+				    "Using Single Scalar Scatterd Rx (port %d).",
+				    dev->data->port_id);
+			dev->rx_pkt_burst = idpf_dp_singleq_recv_scatter_pkts;
+			return;
+		}
 		PMD_DRV_LOG(NOTICE,
 			    "Using Single Scalar Rx (port %d).",
 			    dev->data->port_id);
diff --git a/drivers/net/cpfl/cpfl_rxtx.h b/drivers/net/cpfl/cpfl_rxtx.h
index 5f8144e55f..fb267d38c8 100644
--- a/drivers/net/cpfl/cpfl_rxtx.h
+++ b/drivers/net/cpfl/cpfl_rxtx.h
@@ -21,6 +21,8 @@ 
 #define CPFL_DEFAULT_TX_RS_THRESH	32
 #define CPFL_DEFAULT_TX_FREE_THRESH	32
 
+#define CPFL_SUPPORT_CHAIN_NUM 5
+
 int cpfl_tx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_idx,
 			uint16_t nb_desc, unsigned int socket_id,
 			const struct rte_eth_txconf *tx_conf);