diff mbox series

[v1,net-next,08/11] net: ena: Relocate skb_tx_timestamp() to improve time stamping accuracy

Message ID 20240129085531.15608-9-darinzon@amazon.com (mailing list archive)
State Superseded
Delegated to: Netdev Maintainers
Headers show
Series ENA driver changes | expand

Checks

Context Check Description
netdev/series_format success Posting correctly formatted
netdev/tree_selection success Clearly marked for net-next
netdev/ynl success Generated files up to date; no warnings/errors; no diff in generated;
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 1064 this patch: 1064
netdev/build_tools success No tools touched, skip
netdev/cc_maintainers success CCed 0 of 0 maintainers
netdev/build_clang success Errors and warnings before: 1081 this patch: 1081
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 1081 this patch: 1081
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 16 lines checked
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0
netdev/contest pending net-next-2024-01-30--09-00

Commit Message

Arinzon, David Jan. 29, 2024, 8:55 a.m. UTC 
From: David Arinzon <darinzon@amazon.com>

Move skb_tx_timestamp() closer to the actual time the driver sends the
packets to the device.

Signed-off-by: Osama Abboud <osamaabb@amazon.com>
Signed-off-by: David Arinzon <darinzon@amazon.com>
---
 drivers/net/ethernet/amazon/ena/ena_netdev.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.c b/drivers/net/ethernet/amazon/ena/ena_netdev.c
index ae9291b..d4ca406 100644
--- a/drivers/net/ethernet/amazon/ena/ena_netdev.c
+++ b/drivers/net/ethernet/amazon/ena/ena_netdev.c
@@ -2614,8 +2614,6 @@  static netdev_tx_t ena_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	if (unlikely(rc))
 		goto error_drop_packet;
 
-	skb_tx_timestamp(skb);
-
 	next_to_use = tx_ring->next_to_use;
 	req_id = tx_ring->free_ids[next_to_use];
 	tx_info = &tx_ring->tx_buffer_info[req_id];
@@ -2679,6 +2677,8 @@  static netdev_tx_t ena_start_xmit(struct sk_buff *skb, struct net_device *dev)
 		}
 	}
 
+	skb_tx_timestamp(skb);
+
 	if (netif_xmit_stopped(txq) || !netdev_xmit_more())
 		/* trigger the dma engine. ena_ring_tx_doorbell()
 		 * calls a memory barrier inside it.