Commit 0fadb059 authored by Jeff Kirsher's avatar Jeff Kirsher Committed by Jeff Garzik

[PATCH] e1000: Fix collision distance

Fixed the collision distance for 82543 controllers and newer.
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: default avatarJesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: default avatarJohn Ronciak <john.ronciak@intel.com>
Signed-off-by: default avatarJeff Garzik <jgarzik@pobox.com>
parent 47028635
......@@ -1933,14 +1933,19 @@ e1000_phy_force_speed_duplex(struct e1000_hw *hw)
void
e1000_config_collision_dist(struct e1000_hw *hw)
{
uint32_t tctl;
uint32_t tctl, coll_dist;
DEBUGFUNC("e1000_config_collision_dist");
if (hw->mac_type < e1000_82543)
coll_dist = E1000_COLLISION_DISTANCE_82542;
else
coll_dist = E1000_COLLISION_DISTANCE;
tctl = E1000_READ_REG(hw, TCTL);
tctl &= ~E1000_TCTL_COLD;
tctl |= E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT;
tctl |= coll_dist << E1000_COLD_SHIFT;
E1000_WRITE_REG(hw, TCTL, tctl);
E1000_WRITE_FLUSH(hw);
......
......@@ -2078,7 +2078,10 @@ struct e1000_host_command_info {
/* Collision related configuration parameters */
#define E1000_COLLISION_THRESHOLD 15
#define E1000_CT_SHIFT 4
#define E1000_COLLISION_DISTANCE 64
/* Collision distance is a 0-based value that applies to
* half-duplex-capable hardware only. */
#define E1000_COLLISION_DISTANCE 63
#define E1000_COLLISION_DISTANCE_82542 64
#define E1000_FDX_COLLISION_DISTANCE E1000_COLLISION_DISTANCE
#define E1000_HDX_COLLISION_DISTANCE E1000_COLLISION_DISTANCE
#define E1000_COLD_SHIFT 12
......
......@@ -1342,6 +1342,7 @@ e1000_configure_tx(struct e1000_adapter *adapter)
uint64_t tdba;
struct e1000_hw *hw = &adapter->hw;
uint32_t tdlen, tctl, tipg, tarc;
uint32_t ipgr1, ipgr2;
/* Setup the HW Tx Head and Tail descriptor pointers */
......@@ -1375,22 +1376,26 @@ e1000_configure_tx(struct e1000_adapter *adapter)
/* Set the default values for the Tx Inter Packet Gap timer */
if (hw->media_type == e1000_media_type_fiber ||
hw->media_type == e1000_media_type_internal_serdes)
tipg = DEFAULT_82543_TIPG_IPGT_FIBER;
else
tipg = DEFAULT_82543_TIPG_IPGT_COPPER;
switch (hw->mac_type) {
case e1000_82542_rev2_0:
case e1000_82542_rev2_1:
tipg = DEFAULT_82542_TIPG_IPGT;
tipg |= DEFAULT_82542_TIPG_IPGR1 << E1000_TIPG_IPGR1_SHIFT;
tipg |= DEFAULT_82542_TIPG_IPGR2 << E1000_TIPG_IPGR2_SHIFT;
ipgr1 = DEFAULT_82542_TIPG_IPGR1;
ipgr2 = DEFAULT_82542_TIPG_IPGR2;
break;
default:
if (hw->media_type == e1000_media_type_fiber ||
hw->media_type == e1000_media_type_internal_serdes)
tipg = DEFAULT_82543_TIPG_IPGT_FIBER;
else
tipg = DEFAULT_82543_TIPG_IPGT_COPPER;
tipg |= DEFAULT_82543_TIPG_IPGR1 << E1000_TIPG_IPGR1_SHIFT;
tipg |= DEFAULT_82543_TIPG_IPGR2 << E1000_TIPG_IPGR2_SHIFT;
ipgr1 = DEFAULT_82543_TIPG_IPGR1;
ipgr2 = DEFAULT_82543_TIPG_IPGR2;
break;
}
tipg |= ipgr1 << E1000_TIPG_IPGR1_SHIFT;
tipg |= ipgr2 << E1000_TIPG_IPGR2_SHIFT;
E1000_WRITE_REG(hw, TIPG, tipg);
/* Set the Tx Interrupt Delay register */
......@@ -1600,7 +1605,10 @@ e1000_setup_rctl(struct e1000_adapter *adapter)
E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
(adapter->hw.mc_filter_type << E1000_RCTL_MO_SHIFT);
if(adapter->hw.tbi_compatibility_on == 1)
if (adapter->hw.mac_type > e1000_82543)
rctl |= E1000_RCTL_SECRC;
if (adapter->hw.tbi_compatibility_on == 1)
rctl |= E1000_RCTL_SBP;
else
rctl &= ~E1000_RCTL_SBP;
......
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