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net/mlx5: Use exact encap header size for the FW input buffer

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The current code is allocating the max encap size supported by
the firmware and not the size requested by the caller, fix that.

Also, spare a warning when the size of the encapsulation headers
is bigger from what is supported by the firmware.

Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Reviewed-by: Hadar Hen Zion <hadarh@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
This commit is contained in:
Or Gerlitz 2016-12-11 12:15:08 +02:00 committed by Saeed Mahameed
parent 4548b683b7
commit 073ff3c8e6
1 changed files with 5 additions and 2 deletions
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7
drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c
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@ -473,10 +473,13 @@ int mlx5_encap_alloc(struct mlx5_core_dev *dev,
int err; int err;
u32 *in; u32 *in;
if (size > MLX5_CAP_ESW(dev, max_encap_header_size)) if (size > max_encap_size) {
mlx5_core_warn(dev, "encap size %zd too big, max supported is %d\n",
size, max_encap_size);
return -EINVAL; return -EINVAL;
}
in = kzalloc(MLX5_ST_SZ_BYTES(alloc_encap_header_in) + max_encap_size, in = kzalloc(MLX5_ST_SZ_BYTES(alloc_encap_header_in) + size,
GFP_KERNEL); GFP_KERNEL);
if (!in) if (!in)
return -ENOMEM; return -ENOMEM;