From: Shay Agroskin <shayagr@amazon.com>
To: David Miller <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>, <netdev@vger.kernel.org>
Cc: Shay Agroskin <shayagr@amazon.com>,
"Woodhouse, David" <dwmw@amazon.com>,
"Machulsky, Zorik" <zorik@amazon.com>,
"Matushevsky, Alexander" <matua@amazon.com>,
Saeed Bshara <saeedb@amazon.com>, "Wilson, Matt" <msw@amazon.com>,
"Liguori, Anthony" <aliguori@amazon.com>,
"Bshara, Nafea" <nafea@amazon.com>,
"Belgazal, Netanel" <netanel@amazon.com>,
"Saidi, Ali" <alisaidi@amazon.com>,
"Herrenschmidt, Benjamin" <benh@amazon.com>,
"Kiyanovski, Arthur" <akiyano@amazon.com>,
"Dagan, Noam" <ndagan@amazon.com>,
"Arinzon, David" <darinzon@amazon.com>,
"Itzko, Shahar" <itzko@amazon.com>,
"Abboud, Osama" <osamaabb@amazon.com>
Subject: [PATCH v5 net-next 4/6] net: ena: Recalculate TX state variables every device reset
Date: Thu, 16 Mar 2023 16:27:04 +0200 [thread overview]
Message-ID: <20230316142706.4046263-5-shayagr@amazon.com> (raw)
In-Reply-To: <20230316142706.4046263-1-shayagr@amazon.com>
With the ability to modify LLQ entry size, the size of packet's
payload that can be written directly to the device changes.
This patch makes the driver recalculate this information every device
negotiation (also called device reset).
Signed-off-by: Shay Agroskin <shayagr@amazon.com>
---
drivers/net/ethernet/amazon/ena/ena_netdev.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.c b/drivers/net/ethernet/amazon/ena/ena_netdev.c
index b97ecae439b2..537951ca4d61 100644
--- a/drivers/net/ethernet/amazon/ena/ena_netdev.c
+++ b/drivers/net/ethernet/amazon/ena/ena_netdev.c
@@ -3750,8 +3750,9 @@ static int ena_restore_device(struct ena_adapter *adapter)
struct ena_com_dev_get_features_ctx get_feat_ctx;
struct ena_com_dev *ena_dev = adapter->ena_dev;
struct pci_dev *pdev = adapter->pdev;
+ struct ena_ring *txr;
+ int rc, count, i;
bool wd_state;
- int rc;
set_bit(ENA_FLAG_ONGOING_RESET, &adapter->flags);
rc = ena_device_init(adapter, adapter->pdev, &get_feat_ctx, &wd_state);
@@ -3761,6 +3762,13 @@ static int ena_restore_device(struct ena_adapter *adapter)
}
adapter->wd_state = wd_state;
+ count = adapter->xdp_num_queues + adapter->num_io_queues;
+ for (i = 0 ; i < count; i++) {
+ txr = &adapter->tx_ring[i];
+ txr->tx_mem_queue_type = ena_dev->tx_mem_queue_type;
+ txr->tx_max_header_size = ena_dev->tx_max_header_size;
+ }
+
rc = ena_device_validate_params(adapter, &get_feat_ctx);
if (rc) {
dev_err(&pdev->dev, "Validation of device parameters failed\n");
--
2.25.1
next prev parent reply other threads:[~2023-03-16 14:29 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-16 14:27 [PATCH v5 net-next 0/6] Add tx push buf len param to ethtool Shay Agroskin
2023-03-16 14:27 ` [PATCH v5 net-next 1/6] ethtool: Add support for configuring tx_push_buf_len Shay Agroskin
2023-03-16 19:56 ` Michal Kubiak
2023-03-16 14:27 ` [PATCH v5 net-next 2/6] net: ena: Make few cosmetic preparations to support large LLQ Shay Agroskin
2023-03-16 14:27 ` [PATCH v5 net-next 3/6] net: ena: Add an option to configure large LLQ headers Shay Agroskin
2023-03-16 14:27 ` Shay Agroskin [this message]
2023-03-16 14:27 ` [PATCH v5 net-next 5/6] net: ena: Add support to changing tx_push_buf_len Shay Agroskin
2023-03-16 14:27 ` [PATCH v5 net-next 6/6] net: ena: Advertise TX push support Shay Agroskin
2023-03-16 19:59 ` [PATCH v5 net-next 0/6] Add tx push buf len param to ethtool Michal Kubiak
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