The branch main has been updated by kib:
URL:
https://cgit.FreeBSD.org/src/commit/?id=89491b1edb3438ebce84e17fdb6c1acab35df601
commit 89491b1edb3438ebce84e17fdb6c1acab35df601
Author: Konstantin Belousov <k...@freebsd.org>
AuthorDate: 2025-02-27 01:54:31 +0000
Commit: Konstantin Belousov <k...@freebsd.org>
CommitDate: 2025-03-13 16:01:17 +0000
mlx5en: stop arbitrary limiting max wqe size
Since the times the driver accepts s/g receive buffers, there is no
sense in trying to use pre-existing mbuf clusters sizes. The only
possible optimization is to use full page size if wqe size is greater
than MCLBYTES.
Reviewed by: Ariel Ehrenberg <aehrenb...@nvidia.com>, Slava Shwartsman
<slav...@nvidia.com>
Sponsored by: NVidia networking
MFC after: 1 week
---
sys/dev/mlx5/mlx5_en/mlx5_en_main.c | 12 +-----------
1 file changed, 1 insertion(+), 11 deletions(-)
diff --git a/sys/dev/mlx5/mlx5_en/mlx5_en_main.c
b/sys/dev/mlx5/mlx5_en/mlx5_en_main.c
index d69d2e433c9c..8b2acddb869a 100644
--- a/sys/dev/mlx5/mlx5_en/mlx5_en_main.c
+++ b/sys/dev/mlx5/mlx5_en/mlx5_en_main.c
@@ -2321,17 +2321,7 @@ mlx5e_get_wqe_sz(struct mlx5e_priv *priv, u32 *wqe_sz,
u32 *nsegs)
r = priv->params.hw_lro_en ? priv->params.lro_wqe_sz :
MLX5E_SW2MB_MTU(if_getmtu(priv->ifp));
- if (r > MJUM16BYTES)
- return (-ENOMEM);
-
- if (r > MJUM9BYTES)
- r = MJUM16BYTES;
- else if (r > MJUMPAGESIZE)
- r = MJUM9BYTES;
- else if (r > MCLBYTES)
- r = MJUMPAGESIZE;
- else
- r = MCLBYTES;
+ r = r > MCLBYTES ? MJUMPAGESIZE : MCLBYTES;
/*
* n + 1 must be a power of two, because stride size must be.
