From a442c2c3850dc308ab972f3d10d1077e2c8fd035 Mon Sep 17 00:00:00 2001 From: Jonathan Lemon <jonathan.lemon@gmail.com> Date: Thu, 9 Jan 2020 11:23:17 -0800 Subject: [PATCH] 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@gmail.com> Reviewed-by: Jack Wang <jinpu.wang@cloud.ionos.com> Reviewed-by: Tariq Toukan <tariqt@mellanox.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org> --- 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)