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From: Olivier Matz <olivier.matz@6wind.com>
To: dev@dpdk.org
Cc: ghalem.boudour@6wind.com, evgenys@amazon.com, gtzalik@amazon.com,
igorch@amazon.com, mk@semihalf.com, mw@semihalf.com, stable@dpdk.org
Date: Fri, 30 Jul 2021 10:34:41 +0200
Message-Id: <20210730083441.7465-1-olivier.matz@6wind.com>
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Subject: [dpdk-dev] [PATCH v2] net/ena: enable multi segment in Tx offload
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From: Ghalem Boudour <ghalem.boudour@6wind.com>
The DPDK ENA driver does not provide multi-segment tx offload capability.
Let's add DEV_TX_OFFLOAD_MULTI_SEGS to ports offload capability by
default, and always set it in dev->data->dev_conf.txmode.offload.
This flag in not listed in doc/guides/nics/features/default.ini, so
ena.ini does not need to be updated.
Fixes: 1173fca25af9 ("ena: add polling-mode driver")
Cc: stable@dpdk.org
Signed-off-by: Ghalem Boudour <ghalem.boudour@6wind.com>
Signed-off-by: Olivier Matz <olivier.matz@6wind.com>
---
v2
* set DEV_TX_OFFLOAD_MULTI_SEGS in dev->data->dev_conf.txmode.offload
* add Fixes and Cc stable
drivers/net/ena/ena_ethdev.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/net/ena/ena_ethdev.c b/drivers/net/ena/ena_ethdev.c
index dfe68279fa..b59451034c 100644
--- a/drivers/net/ena/ena_ethdev.c
+++ b/drivers/net/ena/ena_ethdev.c
@@ -1981,6 +1981,7 @@ static int ena_dev_configure(struct rte_eth_dev *dev)
if (dev->data->dev_conf.rxmode.mq_mode & ETH_MQ_RX_RSS_FLAG)
dev->data->dev_conf.rxmode.offloads |= DEV_RX_OFFLOAD_RSS_HASH;
+ dev->data->dev_conf.txmode.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
adapter->tx_selected_offloads = dev->data->dev_conf.txmode.offloads;
adapter->rx_selected_offloads = dev->data->dev_conf.rxmode.offloads;
@@ -2055,6 +2056,7 @@ static int ena_infos_get(struct rte_eth_dev *dev,
DEV_RX_OFFLOAD_TCP_CKSUM;
rx_feat |= DEV_RX_OFFLOAD_JUMBO_FRAME;
+ tx_feat |= DEV_TX_OFFLOAD_MULTI_SEGS;
/* Inform framework about available features */
dev_info->rx_offload_capa = rx_feat;
--
2.29.2