korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-11-13 14:24:11 +08:00
Code Issues Packages Projects Releases Wiki Activity

i40e: use stored base_queue value

Browse Source 
No need to read the PCI register for the PF's base queue on every single Tx
queue enable and disable as we already have the value stored from reading
the capability features at startup.

Change-ID: Ic02fb622757742f43cb8269369c3d972d4f66555
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Shannon Nelson 2014-05-22 06:32:28 +00:00 committed by Jeff Kirsher
parent 387ce1a97d
commit dfb699f970
1 changed files with 2 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/net/ethernet/intel/i40e/i40e_common.c
View File

@ -665,10 +665,9 @@ i40e_status i40e_get_mac_addr(struct i40e_hw *hw, u8 *mac_addr)
**/
void i40e_pre_tx_queue_cfg(struct i40e_hw *hw, u32 queue, bool enable)
{
u32 reg_val = rd32(hw, I40E_PFLAN_QALLOC);
u32 first_queue = (reg_val & I40E_PFLAN_QALLOC_FIRSTQ_MASK);
u32 abs_queue_idx = first_queue + queue;
u32 abs_queue_idx = hw->func_caps.base_queue + queue;
u32 reg_block = 0;
u32 reg_val;
if (abs_queue_idx >= 128)
reg_block = abs_queue_idx / 128;