diff options
Diffstat (limited to 'drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82598.c')
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82598.c | 84 |
1 files changed, 31 insertions, 53 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82598.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82598.c index ac780770863d..185c3e5f9837 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82598.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82598.c @@ -1,30 +1,5 @@ -/******************************************************************************* - - Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2013 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, - version 2, as published by the Free Software Foundation. - - This program is distributed in the hope it will be useful, but WITHOUT - ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - more details. - - You should have received a copy of the GNU General Public License along with - this program; if not, write to the Free Software Foundation, Inc., - 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - - The full GNU General Public License is included in this distribution in - the file called "COPYING". - - Contact Information: - Linux NICS <linux.nics@intel.com> - e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> - Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 - -*******************************************************************************/ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright(c) 1999 - 2018 Intel Corporation. */ #include "ixgbe.h" #include "ixgbe_type.h" @@ -34,14 +9,14 @@ /** * ixgbe_dcb_config_rx_arbiter_82598 - Config Rx data arbiter * @hw: pointer to hardware structure - * @dcb_config: pointer to ixgbe_dcb_config structure + * @refill: refill credits index by traffic class + * @max: max credits index by traffic class + * @prio_type: priority type indexed by traffic class * * Configure Rx Data Arbiter and credits for each traffic class. */ -s32 ixgbe_dcb_config_rx_arbiter_82598(struct ixgbe_hw *hw, - u16 *refill, - u16 *max, - u8 *prio_type) +int ixgbe_dcb_config_rx_arbiter_82598(struct ixgbe_hw *hw, u16 *refill, + u16 *max, u8 *prio_type) { u32 reg = 0; u32 credit_refill = 0; @@ -91,15 +66,15 @@ s32 ixgbe_dcb_config_rx_arbiter_82598(struct ixgbe_hw *hw, /** * ixgbe_dcb_config_tx_desc_arbiter_82598 - Config Tx Desc. arbiter * @hw: pointer to hardware structure - * @dcb_config: pointer to ixgbe_dcb_config structure + * @refill: refill credits index by traffic class + * @max: max credits index by traffic class + * @bwg_id: bandwidth grouping indexed by traffic class + * @prio_type: priority type indexed by traffic class * * Configure Tx Descriptor Arbiter and credits for each traffic class. */ -s32 ixgbe_dcb_config_tx_desc_arbiter_82598(struct ixgbe_hw *hw, - u16 *refill, - u16 *max, - u8 *bwg_id, - u8 *prio_type) +int ixgbe_dcb_config_tx_desc_arbiter_82598(struct ixgbe_hw *hw, u16 *refill, + u16 *max, u8 *bwg_id, u8 *prio_type) { u32 reg, max_credits; u8 i; @@ -108,9 +83,8 @@ s32 ixgbe_dcb_config_tx_desc_arbiter_82598(struct ixgbe_hw *hw, /* Enable arbiter */ reg &= ~IXGBE_DPMCS_ARBDIS; - /* Enable DFP and Recycle mode */ - reg |= (IXGBE_DPMCS_TDPAC | IXGBE_DPMCS_TRM); reg |= IXGBE_DPMCS_TSOEF; + /* Configure Max TSO packet size 34KB including payload and headers */ reg |= (0x4 << IXGBE_DPMCS_MTSOS_SHIFT); @@ -138,15 +112,15 @@ s32 ixgbe_dcb_config_tx_desc_arbiter_82598(struct ixgbe_hw *hw, /** * ixgbe_dcb_config_tx_data_arbiter_82598 - Config Tx data arbiter * @hw: pointer to hardware structure - * @dcb_config: pointer to ixgbe_dcb_config structure + * @refill: refill credits index by traffic class + * @max: max credits index by traffic class + * @bwg_id: bandwidth grouping indexed by traffic class + * @prio_type: priority type indexed by traffic class * * Configure Tx Data Arbiter and credits for each traffic class. */ -s32 ixgbe_dcb_config_tx_data_arbiter_82598(struct ixgbe_hw *hw, - u16 *refill, - u16 *max, - u8 *bwg_id, - u8 *prio_type) +int ixgbe_dcb_config_tx_data_arbiter_82598(struct ixgbe_hw *hw, u16 *refill, + u16 *max, u8 *bwg_id, u8 *prio_type) { u32 reg; u8 i; @@ -185,11 +159,11 @@ s32 ixgbe_dcb_config_tx_data_arbiter_82598(struct ixgbe_hw *hw, /** * ixgbe_dcb_config_pfc_82598 - Config priority flow control * @hw: pointer to hardware structure - * @dcb_config: pointer to ixgbe_dcb_config structure + * @pfc_en: enabled pfc bitmask * * Configure Priority Flow Control for each traffic class. */ -s32 ixgbe_dcb_config_pfc_82598(struct ixgbe_hw *hw, u8 pfc_en) +int ixgbe_dcb_config_pfc_82598(struct ixgbe_hw *hw, u8 pfc_en) { u32 fcrtl, reg; u8 i; @@ -209,15 +183,15 @@ s32 ixgbe_dcb_config_pfc_82598(struct ixgbe_hw *hw, u8 pfc_en) IXGBE_WRITE_REG(hw, IXGBE_FCTRL, reg); - fcrtl = (hw->fc.low_water << 10) | IXGBE_FCRTL_XONE; /* Configure PFC Tx thresholds per TC */ for (i = 0; i < MAX_TRAFFIC_CLASS; i++) { - if (!(pfc_en & (1 << i))) { + if (!(pfc_en & BIT(i))) { IXGBE_WRITE_REG(hw, IXGBE_FCRTL(i), 0); IXGBE_WRITE_REG(hw, IXGBE_FCRTH(i), 0); continue; } + fcrtl = (hw->fc.low_water[i] << 10) | IXGBE_FCRTL_XONE; reg = (hw->fc.high_water[i] << 10) | IXGBE_FCRTH_FCEN; IXGBE_WRITE_REG(hw, IXGBE_FCRTL(i), fcrtl); IXGBE_WRITE_REG(hw, IXGBE_FCRTH(i), reg); @@ -242,7 +216,7 @@ s32 ixgbe_dcb_config_pfc_82598(struct ixgbe_hw *hw, u8 pfc_en) * Configure queue statistics registers, all queues belonging to same traffic * class uses a single set of queue statistics counters. */ -static s32 ixgbe_dcb_config_tc_stats_82598(struct ixgbe_hw *hw) +static int ixgbe_dcb_config_tc_stats_82598(struct ixgbe_hw *hw) { u32 reg = 0; u8 i = 0; @@ -270,11 +244,15 @@ static s32 ixgbe_dcb_config_tc_stats_82598(struct ixgbe_hw *hw) /** * ixgbe_dcb_hw_config_82598 - Config and enable DCB * @hw: pointer to hardware structure - * @dcb_config: pointer to ixgbe_dcb_config structure + * @pfc_en: enabled pfc bitmask + * @refill: refill credits index by traffic class + * @max: max credits index by traffic class + * @bwg_id: bandwidth grouping indexed by traffic class + * @prio_type: priority type indexed by traffic class * * Configure dcb settings and enable dcb mode. */ -s32 ixgbe_dcb_hw_config_82598(struct ixgbe_hw *hw, u8 pfc_en, u16 *refill, +int ixgbe_dcb_hw_config_82598(struct ixgbe_hw *hw, u8 pfc_en, u16 *refill, u16 *max, u8 *bwg_id, u8 *prio_type) { ixgbe_dcb_config_rx_arbiter_82598(hw, refill, max, prio_type); 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