diff options
Diffstat (limited to 'drivers/net/ethernet/intel/e1000e/ich8lan.c')
| -rw-r--r-- | drivers/net/ethernet/intel/e1000e/ich8lan.c | 26 |
1 files changed, 11 insertions, 15 deletions
diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.c b/drivers/net/ethernet/intel/e1000e/ich8lan.c index 9d81c0317433..b074b9a667b3 100644 --- a/drivers/net/ethernet/intel/e1000e/ich8lan.c +++ b/drivers/net/ethernet/intel/e1000e/ich8lan.c @@ -1,5 +1,5 @@ /* Intel PRO/1000 Linux driver - * Copyright(c) 1999 - 2014 Intel Corporation. + * Copyright(c) 1999 - 2015 Intel Corporation. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, @@ -1014,8 +1014,7 @@ static s32 e1000_platform_pm_pch_lpt(struct e1000_hw *hw, bool link) u16 speed, duplex, scale = 0; u16 max_snoop, max_nosnoop; u16 max_ltr_enc; /* max LTR latency encoded */ - s64 lat_ns; /* latency (ns) */ - s64 value; + u64 value; u32 rxa; if (!hw->adapter->max_frame_size) { @@ -1040,14 +1039,11 @@ static s32 e1000_platform_pm_pch_lpt(struct e1000_hw *hw, bool link) * 2^25*(2^10-1) ns. The scale is encoded as 0=2^0ns, * 1=2^5ns, 2=2^10ns,...5=2^25ns. */ - lat_ns = ((s64)rxa * 1024 - - (2 * (s64)hw->adapter->max_frame_size)) * 8 * 1000; - if (lat_ns < 0) - lat_ns = 0; - else - do_div(lat_ns, speed); + rxa *= 512; + value = (rxa > hw->adapter->max_frame_size) ? + (rxa - hw->adapter->max_frame_size) * (16000 / speed) : + 0; - value = lat_ns; while (value > PCI_LTR_VALUE_MASK) { scale++; value = DIV_ROUND_UP(value, (1 << 5)); @@ -1563,7 +1559,7 @@ static s32 e1000_get_variants_ich8lan(struct e1000_adapter *adapter) ((adapter->hw.mac.type >= e1000_pch2lan) && (!(er32(CTRL_EXT) & E1000_CTRL_EXT_LSECCK)))) { adapter->flags &= ~FLAG_HAS_JUMBO_FRAMES; - adapter->max_hw_frame_size = ETH_FRAME_LEN + ETH_FCS_LEN; + adapter->max_hw_frame_size = VLAN_ETH_FRAME_LEN + ETH_FCS_LEN; hw->mac.ops.blink_led = NULL; } @@ -5681,7 +5677,7 @@ const struct e1000_info e1000_ich8_info = { | FLAG_HAS_FLASH | FLAG_APME_IN_WUC, .pba = 8, - .max_hw_frame_size = ETH_FRAME_LEN + ETH_FCS_LEN, + .max_hw_frame_size = VLAN_ETH_FRAME_LEN + ETH_FCS_LEN, .get_variants = e1000_get_variants_ich8lan, .mac_ops = &ich8_mac_ops, .phy_ops = &ich8_phy_ops, @@ -5754,7 +5750,7 @@ const struct e1000_info e1000_pch2_info = { .flags2 = FLAG2_HAS_PHY_STATS | FLAG2_HAS_EEE, .pba = 26, - .max_hw_frame_size = 9018, + .max_hw_frame_size = 9022, .get_variants = e1000_get_variants_ich8lan, .mac_ops = &ich8_mac_ops, .phy_ops = &ich8_phy_ops, @@ -5774,7 +5770,7 @@ const struct e1000_info e1000_pch_lpt_info = { .flags2 = FLAG2_HAS_PHY_STATS | FLAG2_HAS_EEE, .pba = 26, - .max_hw_frame_size = 9018, + .max_hw_frame_size = 9022, .get_variants = e1000_get_variants_ich8lan, .mac_ops = &ich8_mac_ops, .phy_ops = &ich8_phy_ops, @@ -5794,7 +5790,7 @@ const struct e1000_info e1000_pch_spt_info = { .flags2 = FLAG2_HAS_PHY_STATS | FLAG2_HAS_EEE, .pba = 26, - .max_hw_frame_size = 9018, + .max_hw_frame_size = 9022, .get_variants = e1000_get_variants_ich8lan, .mac_ops = &ich8_mac_ops, .phy_ops = &ich8_phy_ops, |