2   SPDX-License-Identifier: BSD-3-Clause
4   Copyright (c) 2001-2020, Intel Corporation
41  * ixgbe_dcb_get_tc_stats_82598 - Return status data for each traffic class
60 	for (tc = 0; tc < tc_count; tc++) {  in ixgbe_dcb_get_tc_stats_82598()
62 		stats->qptc[tc] += IXGBE_READ_REG(hw, IXGBE_QPTC(tc));  in ixgbe_dcb_get_tc_stats_82598()
64 		stats->qbtc[tc] += IXGBE_READ_REG(hw, IXGBE_QBTC(tc));  in ixgbe_dcb_get_tc_stats_82598()
66 		stats->qprc[tc] += IXGBE_READ_REG(hw, IXGBE_QPRC(tc));  in ixgbe_dcb_get_tc_stats_82598()
68 		stats->qbrc[tc] += IXGBE_READ_REG(hw, IXGBE_QBRC(tc));  in ixgbe_dcb_get_tc_stats_82598()
75  * ixgbe_dcb_get_pfc_stats_82598 - Returns CBFC status data
93 	for (tc = 0; tc < tc_count; tc++) {  in ixgbe_dcb_get_pfc_stats_82598()
95 		stats->pxofftxc[tc] += IXGBE_READ_REG(hw, IXGBE_PXOFFTXC(tc));  in ixgbe_dcb_get_pfc_stats_82598()
97 		stats->pxoffrxc[tc] += IXGBE_READ_REG(hw, IXGBE_PXOFFRXC(tc));  in ixgbe_dcb_get_pfc_stats_82598()
104  * ixgbe_dcb_config_rx_arbiter_82598 - Config Rx data arbiter
108  * @tsa: transmission selection algorithm indexed by traffic class
115 	u32 reg = 0;  in ixgbe_dcb_config_rx_arbiter_82598()
116 	u32 credit_refill = 0;  in ixgbe_dcb_config_rx_arbiter_82598()
117 	u32 credit_max = 0;  in ixgbe_dcb_config_rx_arbiter_82598()
118 	u8 i = 0;  in ixgbe_dcb_config_rx_arbiter_82598()
134 	for (i = 0; i < IXGBE_DCB_MAX_TRAFFIC_CLASS; i++) {  in ixgbe_dcb_config_rx_arbiter_82598()
161  * ixgbe_dcb_config_tx_desc_arbiter_82598 - Config Tx Desc. arbiter
165  * @bwg_id: bandwidth grouping indexed by traffic class
166  * @tsa: transmission selection algorithm indexed by traffic class
184 	reg |= (0x4 << IXGBE_DPMCS_MTSOS_SHIFT);  in ixgbe_dcb_config_tx_desc_arbiter_82598()
189 	for (i = 0; i < IXGBE_DCB_MAX_TRAFFIC_CLASS; i++) {  in ixgbe_dcb_config_tx_desc_arbiter_82598()
208  * ixgbe_dcb_config_tx_data_arbiter_82598 - Config Tx data arbiter
212  * @bwg_id: bandwidth grouping indexed by traffic class
213  * @tsa: transmission selection algorithm indexed by traffic class
233 	for (i = 0; i < IXGBE_DCB_MAX_TRAFFIC_CLASS; i++) {  in ixgbe_dcb_config_tx_data_arbiter_82598()
256  * ixgbe_dcb_config_pfc_82598 - Config priority flow control
283 	for (i = 0; i < IXGBE_DCB_MAX_TRAFFIC_CLASS; i++) {  in ixgbe_dcb_config_pfc_82598()
285 			IXGBE_WRITE_REG(hw, IXGBE_FCRTL(i), 0);  in ixgbe_dcb_config_pfc_82598()
286 			IXGBE_WRITE_REG(hw, IXGBE_FCRTH(i), 0);  in ixgbe_dcb_config_pfc_82598()
290 		fcrtl = (hw->fc.low_water[i] << 10) | IXGBE_FCRTL_XONE;  in ixgbe_dcb_config_pfc_82598()
291 		reg = (hw->fc.high_water[i] << 10) | IXGBE_FCRTH_FCEN;  in ixgbe_dcb_config_pfc_82598()
297 	reg = hw->fc.pause_time | (hw->fc.pause_time << 16);  in ixgbe_dcb_config_pfc_82598()
298 	for (i = 0; i < (IXGBE_DCB_MAX_TRAFFIC_CLASS / 2); i++)  in ixgbe_dcb_config_pfc_82598()
302 	IXGBE_WRITE_REG(hw, IXGBE_FCRTV, hw->fc.pause_time / 2);  in ixgbe_dcb_config_pfc_82598()
308  * ixgbe_dcb_config_tc_stats_82598 - Configure traffic class statistics
316 	u32 reg = 0;  in ixgbe_dcb_config_tc_stats_82598()
317 	u8 i = 0;  in ixgbe_dcb_config_tc_stats_82598()
318 	u8 j = 0;  in ixgbe_dcb_config_tc_stats_82598()
320 	/* Receive Queues stats setting -  8 queues per statistics reg */  in ixgbe_dcb_config_tc_stats_82598()
321 	for (i = 0, j = 0; i < 15 && j < 8; i = i + 2, j++) {  in ixgbe_dcb_config_tc_stats_82598()
323 		reg |= ((0x1010101) * j);  in ixgbe_dcb_config_tc_stats_82598()
326 		reg |= ((0x1010101) * j);  in ixgbe_dcb_config_tc_stats_82598()
329 	/* Transmit Queues stats setting -  4 queues per statistics reg*/  in ixgbe_dcb_config_tc_stats_82598()
330 	for (i = 0; i < 8; i++) {  in ixgbe_dcb_config_tc_stats_82598()
332 		reg |= ((0x1010101) * i);  in ixgbe_dcb_config_tc_stats_82598()
340  * ixgbe_dcb_hw_config_82598 - Config and enable DCB
345  * @bwg_id: bandwidth grouping indexed by traffic class
346  * @tsa: transmission selection algorithm indexed by traffic class