diff options
| author | Nick Nunley <nicholasx.d.nunley@intel.com> | 2010-02-17 01:02:59 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-02-17 13:21:34 -0800 |
| commit | 2d0b0f693578109aff347e055d47f2797c802261 (patch) | |
| tree | 5b8f07bbf94a0c4d8aa5ece1aeb2cc44c9b3b48e /drivers/net/igb/e1000_mac.c | |
| parent | 3025a446b6d0255ae4399ca5f9b259bd1b51539e (diff) | |
igb: remove adaptive IFS from driver
Adaptive IFS support has been included in the igb driver since its
initial release, but it is not a feature on any igb NICs. This patch
removes it from the driver.
Signed-off-by: Nicholas Nunley <nicholasx.d.nunley@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/igb/e1000_mac.c')
| -rw-r--r-- | drivers/net/igb/e1000_mac.c | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/drivers/net/igb/e1000_mac.c b/drivers/net/igb/e1000_mac.c index 2ad358a240bf..2a8a886b37eb 100644 --- a/drivers/net/igb/e1000_mac.c +++ b/drivers/net/igb/e1000_mac.c @@ -1304,76 +1304,6 @@ out: } /** - * igb_reset_adaptive - Reset Adaptive Interframe Spacing - * @hw: pointer to the HW structure - * - * Reset the Adaptive Interframe Spacing throttle to default values. - **/ -void igb_reset_adaptive(struct e1000_hw *hw) -{ - struct e1000_mac_info *mac = &hw->mac; - - if (!mac->adaptive_ifs) { - hw_dbg("Not in Adaptive IFS mode!\n"); - goto out; - } - - if (!mac->ifs_params_forced) { - mac->current_ifs_val = 0; - mac->ifs_min_val = IFS_MIN; - mac->ifs_max_val = IFS_MAX; - mac->ifs_step_size = IFS_STEP; - mac->ifs_ratio = IFS_RATIO; - } - - mac->in_ifs_mode = false; - wr32(E1000_AIT, 0); -out: - return; -} - -/** - * igb_update_adaptive - Update Adaptive Interframe Spacing - * @hw: pointer to the HW structure - * - * Update the Adaptive Interframe Spacing Throttle value based on the - * time between transmitted packets and time between collisions. - **/ -void igb_update_adaptive(struct e1000_hw *hw) -{ - struct e1000_mac_info *mac = &hw->mac; - - if (!mac->adaptive_ifs) { - hw_dbg("Not in Adaptive IFS mode!\n"); - goto out; - } - - if ((mac->collision_delta * mac->ifs_ratio) > mac->tx_packet_delta) { - if (mac->tx_packet_delta > MIN_NUM_XMITS) { - mac->in_ifs_mode = true; - if (mac->current_ifs_val < mac->ifs_max_val) { - if (!mac->current_ifs_val) - mac->current_ifs_val = mac->ifs_min_val; - else - mac->current_ifs_val += - mac->ifs_step_size; - wr32(E1000_AIT, - mac->current_ifs_val); - } - } - } else { - if (mac->in_ifs_mode && - (mac->tx_packet_delta <= MIN_NUM_XMITS)) { - mac->current_ifs_val = 0; - mac->in_ifs_mode = false; - wr32(E1000_AIT, 0); - } - } -out: - return; -} - -/** * igb_validate_mdi_setting - Verify MDI/MDIx settings * @hw: pointer to the HW structure * |