FEX-Emu/linux
1
0
Fork 0
mirror of https://github.com/FEX-Emu/linux.git synced 2025-01-02 15:21:03 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

net/mlx5: IPSec, Fix 64-bit division on 32-bit builds

Browse Source 
Fix warnings when building 386 kernel:
>> ERROR: "__udivdi3" [drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.ko] undefined!

Fixes: 2ac9cfe782 ("net/mlx5e: IPSec, Add Innova IPSec offload TX data path")
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Ilan Tayari <ilant@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
This commit is contained in:
Ilan Tayari 2017-07-02 10:57:56 +03:00 committed by Saeed Mahameed
parent aa07b63384
commit 5dfd87b67c
1 changed files with 3 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.c
View File

@ -363,6 +363,7 @@ void mlx5e_ipsec_build_inverse_table(void)
{
u16 mss_inv;
u32 mss;
u64 n;
/* Calculate 1/x inverse table for use in GSO data path.
* Using this table, we provide the IPSec accelerator with the value of
@ -372,7 +373,8 @@ void mlx5e_ipsec_build_inverse_table(void)
*/
mlx5e_ipsec_inverse_table[1] = htons(0xFFFF);
for (mss = 2; mss < MAX_LSO_MSS; mss++) {
mss_inv = ((1ULL << 32) / mss) >> 16;
n = 1ULL << 32;
mss_inv = do_div(n, mss) >> 16;
mlx5e_ipsec_inverse_table[mss] = htons(mss_inv);
}
}