netdev - [PATCH net-next] mlx4: Bump up MAX

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <20200109192317.4045173-1-jonathan.lemon@gmail.com>
Date:   Thu, 9 Jan 2020 11:23:17 -0800
From:   Jonathan Lemon <jonathan.lemon@...il.com>
To:     <netdev@...r.kernel.org>, <tariqt@...lanox.com>
CC:     <davem@...emloft.net>, <kernel-team@...com>
Subject: [PATCH net-next] mlx4: Bump up MAX_MSIX from 64 to 128

On modern hardware with a large number of cpus and using XDP,
the current MSIX limit is insufficient.  Bump the limit in
order to allow more queues.

Signed-off-by: Jonathan Lemon <jonathan.lemon@...il.com>
---
 include/linux/mlx4/device.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h
index 36e412c3d657..20372de0b587 100644
--- a/include/linux/mlx4/device.h
+++ b/include/linux/mlx4/device.h
@@ -47,7 +47,7 @@
 #define DEFAULT_UAR_PAGE_SHIFT  12
 
 #define MAX_MSIX_P_PORT		17
-#define MAX_MSIX		64
+#define MAX_MSIX		128
 #define MIN_MSIX_P_PORT		5
 #define MLX4_IS_LEGACY_EQ_MODE(dev_cap) ((dev_cap).num_comp_vectors < \
 					 (dev_cap).num_ports * MIN_MSIX_P_PORT)
-- 
2.17.1