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Diffstat (limited to 'drivers/net/ixgbe/ixgbe_dcb.h')
-rw-r--r--drivers/net/ixgbe/ixgbe_dcb.h36
1 files changed, 13 insertions, 23 deletions
diff --git a/drivers/net/ixgbe/ixgbe_dcb.h b/drivers/net/ixgbe/ixgbe_dcb.h
index 5caafd4afbc3..944838fc7b59 100644
--- a/drivers/net/ixgbe/ixgbe_dcb.h
+++ b/drivers/net/ixgbe/ixgbe_dcb.h
@@ -1,7 +1,7 @@
1/******************************************************************************* 1/*******************************************************************************
2 2
3 Intel 10 Gigabit PCI Express Linux driver 3 Intel 10 Gigabit PCI Express Linux driver
4 Copyright(c) 1999 - 2010 Intel Corporation. 4 Copyright(c) 1999 - 2011 Intel Corporation.
5 5
6 This program is free software; you can redistribute it and/or modify it 6 This program is free software; you can redistribute it and/or modify it
7 under the terms and conditions of the GNU General Public License, 7 under the terms and conditions of the GNU General Public License,
@@ -139,7 +139,6 @@ struct ixgbe_dcb_config {
139 struct tc_configuration tc_config[MAX_TRAFFIC_CLASS]; 139 struct tc_configuration tc_config[MAX_TRAFFIC_CLASS];
140 u8 bw_percentage[2][MAX_BW_GROUP]; /* One each for Tx/Rx */ 140 u8 bw_percentage[2][MAX_BW_GROUP]; /* One each for Tx/Rx */
141 bool pfc_mode_enable; 141 bool pfc_mode_enable;
142 bool round_robin_enable;
143 142
144 enum dcb_rx_pba_cfg rx_pba_cfg; 143 enum dcb_rx_pba_cfg rx_pba_cfg;
145 144
@@ -148,35 +147,26 @@ struct ixgbe_dcb_config {
148}; 147};
149 148
150/* DCB driver APIs */ 149/* DCB driver APIs */
151 150void ixgbe_dcb_unpack_pfc(struct ixgbe_dcb_config *cfg, u8 *pfc_en);
152/* DCB rule checking function.*/ 151void ixgbe_dcb_unpack_refill(struct ixgbe_dcb_config *, int, u16 *);
153s32 ixgbe_dcb_check_config(struct ixgbe_dcb_config *config); 152void ixgbe_dcb_unpack_max(struct ixgbe_dcb_config *, u16 *);
153void ixgbe_dcb_unpack_bwgid(struct ixgbe_dcb_config *, int, u8 *);
154void ixgbe_dcb_unpack_prio(struct ixgbe_dcb_config *, int, u8 *);
154 155
155/* DCB credits calculation */ 156/* DCB credits calculation */
156s32 ixgbe_dcb_calculate_tc_credits(struct ixgbe_dcb_config *, u8); 157s32 ixgbe_ieee_credits(__u8 *bw, __u16 *refill, __u16 *max, int max_frame);
157 158s32 ixgbe_dcb_calculate_tc_credits(struct ixgbe_hw *,
158/* DCB PFC functions */ 159 struct ixgbe_dcb_config *, int, u8);
159s32 ixgbe_dcb_config_pfc(struct ixgbe_hw *, struct ixgbe_dcb_config *g);
160s32 ixgbe_dcb_get_pfc_stats(struct ixgbe_hw *, struct ixgbe_hw_stats *, u8);
161
162/* DCB traffic class stats */
163s32 ixgbe_dcb_config_tc_stats(struct ixgbe_hw *);
164s32 ixgbe_dcb_get_tc_stats(struct ixgbe_hw *, struct ixgbe_hw_stats *, u8);
165
166/* DCB config arbiters */
167s32 ixgbe_dcb_config_tx_desc_arbiter(struct ixgbe_hw *,
168 struct ixgbe_dcb_config *);
169s32 ixgbe_dcb_config_tx_data_arbiter(struct ixgbe_hw *,
170 struct ixgbe_dcb_config *);
171s32 ixgbe_dcb_config_rx_arbiter(struct ixgbe_hw *, struct ixgbe_dcb_config *);
172 160
173/* DCB hw initialization */ 161/* DCB hw initialization */
162s32 ixgbe_dcb_hw_ets_config(struct ixgbe_hw *hw, u16 *refill, u16 *max,
163 u8 *bwg_id, u8 *prio_type, u8 *tc_prio);
164s32 ixgbe_dcb_hw_pfc_config(struct ixgbe_hw *hw, u8 pfc_en);
174s32 ixgbe_dcb_hw_config(struct ixgbe_hw *, struct ixgbe_dcb_config *); 165s32 ixgbe_dcb_hw_config(struct ixgbe_hw *, struct ixgbe_dcb_config *);
175 166
176/* DCB definitions for credit calculation */ 167/* DCB definitions for credit calculation */
168#define DCB_CREDIT_QUANTUM 64 /* DCB Quantum */
177#define MAX_CREDIT_REFILL 511 /* 0x1FF * 64B = 32704B */ 169#define MAX_CREDIT_REFILL 511 /* 0x1FF * 64B = 32704B */
178#define MINIMUM_CREDIT_REFILL 5 /* 5*64B = 320B */
179#define MINIMUM_CREDIT_FOR_JUMBO 145 /* 145= UpperBound((9*1024+54)/64B) for 9KB jumbo frame */
180#define DCB_MAX_TSO_SIZE (32*1024) /* MAX TSO packet size supported in DCB mode */ 170#define DCB_MAX_TSO_SIZE (32*1024) /* MAX TSO packet size supported in DCB mode */
181#define MINIMUM_CREDIT_FOR_TSO (DCB_MAX_TSO_SIZE/64 + 1) /* 513 for 32KB TSO packet */ 171#define MINIMUM_CREDIT_FOR_TSO (DCB_MAX_TSO_SIZE/64 + 1) /* 513 for 32KB TSO packet */
182#define MAX_CREDIT 4095 /* Maximum credit supported: 256KB * 1204 / 64B */ 172#define MAX_CREDIT 4095 /* Maximum credit supported: 256KB * 1204 / 64B */