netdev.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
* [PATCH bpf-next] xsk: Don't assume metadata is always requested in TX completion
@ 2024-03-18 16:54 Stanislav Fomichev
  2024-03-19 12:50 ` patchwork-bot+netdevbpf
  0 siblings, 1 reply; 2+ messages in thread
From: Stanislav Fomichev @ 2024-03-18 16:54 UTC (permalink / raw)
  To: bpf, netdev
  Cc: ast, daniel, andrii, martin.lau, song, yhs, john.fastabend,
	kpsingh, sdf, haoluo, jolsa, Daniele Salvatore Albano

`compl->tx_timestam != NULL` means that the user has explicitly
requested the metadata via XDP_TX_METADATA+XDP_TX_METADATA_TIMESTAMP.

Fixes: 48eb03dd2630 ("xsk: Add TX timestamp and TX checksum offload support")
Reported-by: Daniele Salvatore Albano <d.albano@gmail.com>
Tested-by: Daniele Salvatore Albano <d.albano@gmail.com>
Signed-off-by: Stanislav Fomichev <sdf@google.com>
---
 include/net/xdp_sock.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/net/xdp_sock.h b/include/net/xdp_sock.h
index 3cb4dc9bd70e..3d54de168a6d 100644
--- a/include/net/xdp_sock.h
+++ b/include/net/xdp_sock.h
@@ -188,6 +188,8 @@ static inline void xsk_tx_metadata_complete(struct xsk_tx_metadata_compl *compl,
 {
 	if (!compl)
 		return;
+	if (!compl->tx_timestamp)
+		return;
 
 	*compl->tx_timestamp = ops->tmo_fill_timestamp(priv);
 }
-- 
2.44.0.291.gc1ea87d7ee-goog


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH bpf-next] xsk: Don't assume metadata is always requested in TX completion
  2024-03-18 16:54 [PATCH bpf-next] xsk: Don't assume metadata is always requested in TX completion Stanislav Fomichev
@ 2024-03-19 12:50 ` patchwork-bot+netdevbpf
  0 siblings, 0 replies; 2+ messages in thread
From: patchwork-bot+netdevbpf @ 2024-03-19 12:50 UTC (permalink / raw)
  To: Stanislav Fomichev
  Cc: bpf, netdev, ast, daniel, andrii, martin.lau, song, yhs,
	john.fastabend, kpsingh, haoluo, jolsa, d.albano

Hello:

This patch was applied to bpf/bpf.git (master)
by Daniel Borkmann <daniel@iogearbox.net>:

On Mon, 18 Mar 2024 09:54:27 -0700 you wrote:
> `compl->tx_timestam != NULL` means that the user has explicitly
> requested the metadata via XDP_TX_METADATA+XDP_TX_METADATA_TIMESTAMP.
> 
> Fixes: 48eb03dd2630 ("xsk: Add TX timestamp and TX checksum offload support")
> Reported-by: Daniele Salvatore Albano <d.albano@gmail.com>
> Tested-by: Daniele Salvatore Albano <d.albano@gmail.com>
> Signed-off-by: Stanislav Fomichev <sdf@google.com>
> 
> [...]

Here is the summary with links:
  - [bpf-next] xsk: Don't assume metadata is always requested in TX completion
    https://git.kernel.org/bpf/bpf/c/f6e922365faf

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html



^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2024-03-19 12:50 UTC | newest]

Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2024-03-18 16:54 [PATCH bpf-next] xsk: Don't assume metadata is always requested in TX completion Stanislav Fomichev
2024-03-19 12:50 ` patchwork-bot+netdevbpf

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).