diff options
| author | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2006-01-12 16:51:05 -0800 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2006-01-17 07:44:51 -0500 |
| commit | 0fadb0597d240d4ed279042cab632d567510a1a3 (patch) | |
| tree | 83786788f8bf5ef24b3b2cc871b84030c4d59fdf /drivers | |
| parent | 47028635d17c7b9c7ffc67499be5fed579bdfe72 (diff) | |
| download | linux-0fadb0597d240d4ed279042cab632d567510a1a3.tar.gz | |
[PATCH] e1000: Fix collision distance
Fixed the collision distance for 82543 controllers and newer.
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: John Ronciak <john.ronciak@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/e1000/e1000_hw.c | 9 | ||||
| -rw-r--r-- | drivers/net/e1000/e1000_hw.h | 5 | ||||
| -rw-r--r-- | drivers/net/e1000/e1000_main.c | 28 |
3 files changed, 29 insertions, 13 deletions
diff --git a/drivers/net/e1000/e1000_hw.c b/drivers/net/e1000/e1000_hw.c index f79d2a06ee7fb..ac227c7847ffd 100644 --- a/drivers/net/e1000/e1000_hw.c +++ b/drivers/net/e1000/e1000_hw.c @@ -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); diff --git a/drivers/net/e1000/e1000_hw.h b/drivers/net/e1000/e1000_hw.h index 1ddfd56fc5df3..600570ff254b5 100644 --- a/drivers/net/e1000/e1000_hw.h +++ b/drivers/net/e1000/e1000_hw.h @@ -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 diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c index d2e77ee103bb3..36b04d42252f0 100644 --- a/drivers/net/e1000/e1000_main.c +++ b/drivers/net/e1000/e1000_main.c @@ -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; |