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Diffstat (limited to 'drivers/net/ixgbe/ixgbe_dcb.h')
-rw-r--r--drivers/net/ixgbe/ixgbe_dcb.h184
1 files changed, 0 insertions, 184 deletions
diff --git a/drivers/net/ixgbe/ixgbe_dcb.h b/drivers/net/ixgbe/ixgbe_dcb.h
deleted file mode 100644
index 75f6efe1e36..00000000000
--- a/drivers/net/ixgbe/ixgbe_dcb.h
+++ /dev/null
@@ -1,184 +0,0 @@
-/*******************************************************************************
-
- Intel 10 Gigabit PCI Express Linux driver
- Copyright(c) 1999 - 2007 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
-
-*******************************************************************************/
-
-#ifndef _DCB_CONFIG_H_
-#define _DCB_CONFIG_H_
-
-#include "ixgbe_type.h"
-
-/* DCB data structures */
-
-#define IXGBE_MAX_PACKET_BUFFERS 8
-#define MAX_USER_PRIORITY 8
-#define MAX_TRAFFIC_CLASS 8
-#define MAX_BW_GROUP 8
-#define BW_PERCENT 100
-
-#define DCB_TX_CONFIG 0
-#define DCB_RX_CONFIG 1
-
-/* DCB error Codes */
-#define DCB_SUCCESS 0
-#define DCB_ERR_CONFIG -1
-#define DCB_ERR_PARAM -2
-
-/* Transmit and receive Errors */
-/* Error in bandwidth group allocation */
-#define DCB_ERR_BW_GROUP -3
-/* Error in traffic class bandwidth allocation */
-#define DCB_ERR_TC_BW -4
-/* Traffic class has both link strict and group strict enabled */
-#define DCB_ERR_LS_GS -5
-/* Link strict traffic class has non zero bandwidth */
-#define DCB_ERR_LS_BW_NONZERO -6
-/* Link strict bandwidth group has non zero bandwidth */
-#define DCB_ERR_LS_BWG_NONZERO -7
-/* Traffic class has zero bandwidth */
-#define DCB_ERR_TC_BW_ZERO -8
-
-#define DCB_NOT_IMPLEMENTED 0x7FFFFFFF
-
-struct dcb_pfc_tc_debug {
- u8 tc;
- u8 pause_status;
- u64 pause_quanta;
-};
-
-enum strict_prio_type {
- prio_none = 0,
- prio_group,
- prio_link
-};
-
-/* Traffic class bandwidth allocation per direction */
-struct tc_bw_alloc {
- u8 bwg_id; /* Bandwidth Group (BWG) ID */
- u8 bwg_percent; /* % of BWG's bandwidth */
- u8 link_percent; /* % of link bandwidth */
- u8 up_to_tc_bitmap; /* User Priority to Traffic Class mapping */
- u16 data_credits_refill; /* Credit refill amount in 64B granularity */
- u16 data_credits_max; /* Max credits for a configured packet buffer
- * in 64B granularity.*/
- enum strict_prio_type prio_type; /* Link or Group Strict Priority */
-};
-
-enum dcb_pfc_type {
- pfc_disabled = 0,
- pfc_enabled_full,
- pfc_enabled_tx,
- pfc_enabled_rx
-};
-
-/* Traffic class configuration */
-struct tc_configuration {
- struct tc_bw_alloc path[2]; /* One each for Tx/Rx */
- enum dcb_pfc_type dcb_pfc; /* Class based flow control setting */
-
- u16 desc_credits_max; /* For Tx Descriptor arbitration */
- u8 tc; /* Traffic class (TC) */
-};
-
-enum dcb_rx_pba_cfg {
- pba_equal, /* PBA[0-7] each use 64KB FIFO */
- pba_80_48 /* PBA[0-3] each use 80KB, PBA[4-7] each use 48KB */
-};
-
-/*
- * This structure contains many values encoded as fixed-point
- * numbers, meaning that some of bits are dedicated to the
- * magnitude and others to the fraction part. In the comments
- * this is shown as f=n, where n is the number of fraction bits.
- * These fraction bits are always the low-order bits. The size
- * of the magnitude is not specified.
- */
-struct bcn_config {
- u32 rp_admin_mode[MAX_TRAFFIC_CLASS]; /* BCN enabled, per TC */
- u32 bcna_option[2]; /* BCNA Port + MAC Addr */
- u32 rp_w; /* Derivative Weight, f=3 */
- u32 rp_gi; /* Increase Gain, f=12 */
- u32 rp_gd; /* Decrease Gain, f=12 */
- u32 rp_ru; /* Rate Unit */
- u32 rp_alpha; /* Max Decrease Factor, f=12 */
- u32 rp_beta; /* Max Increase Factor, f=12 */
- u32 rp_ri; /* Initial Rate */
- u32 rp_td; /* Drift Interval Timer */
- u32 rp_rd; /* Drift Increase */
- u32 rp_tmax; /* Severe Congestion Backoff Timer Range */
- u32 rp_rmin; /* Severe Congestion Restart Rate */
- u32 rp_wrtt; /* RTT Moving Average Weight */
-};
-
-struct ixgbe_dcb_config {
- struct bcn_config bcn;
-
- struct tc_configuration tc_config[MAX_TRAFFIC_CLASS];
- u8 bw_percentage[2][MAX_BW_GROUP]; /* One each for Tx/Rx */
-
- bool round_robin_enable;
-
- enum dcb_rx_pba_cfg rx_pba_cfg;
-
- u32 dcb_cfg_version; /* Not used...OS-specific? */
- u32 link_speed; /* For bandwidth allocation validation purpose */
-};
-
-/* DCB driver APIs */
-
-/* DCB rule checking function.*/
-s32 ixgbe_dcb_check_config(struct ixgbe_dcb_config *config);
-
-/* DCB credits calculation */
-s32 ixgbe_dcb_calculate_tc_credits(struct ixgbe_dcb_config *, u8);
-
-/* DCB PFC functions */
-s32 ixgbe_dcb_config_pfc(struct ixgbe_hw *, struct ixgbe_dcb_config *g);
-s32 ixgbe_dcb_get_pfc_stats(struct ixgbe_hw *, struct ixgbe_hw_stats *, u8);
-
-/* DCB traffic class stats */
-s32 ixgbe_dcb_config_tc_stats(struct ixgbe_hw *);
-s32 ixgbe_dcb_get_tc_stats(struct ixgbe_hw *, struct ixgbe_hw_stats *, u8);
-
-/* DCB config arbiters */
-s32 ixgbe_dcb_config_tx_desc_arbiter(struct ixgbe_hw *,
- struct ixgbe_dcb_config *);
-s32 ixgbe_dcb_config_tx_data_arbiter(struct ixgbe_hw *,
- struct ixgbe_dcb_config *);
-s32 ixgbe_dcb_config_rx_arbiter(struct ixgbe_hw *, struct ixgbe_dcb_config *);
-
-/* DCB hw initialization */
-s32 ixgbe_dcb_hw_config(struct ixgbe_hw *, struct ixgbe_dcb_config *);
-
-/* DCB definitions for credit calculation */
-#define MAX_CREDIT_REFILL 511 /* 0x1FF * 64B = 32704B */
-#define MINIMUM_CREDIT_REFILL 5 /* 5*64B = 320B */
-#define MINIMUM_CREDIT_FOR_JUMBO 145 /* 145= UpperBound((9*1024+54)/64B) for 9KB jumbo frame */
-#define DCB_MAX_TSO_SIZE (32*1024) /* MAX TSO packet size supported in DCB mode */
-#define MINIMUM_CREDIT_FOR_TSO (DCB_MAX_TSO_SIZE/64 + 1) /* 513 for 32KB TSO packet */
-#define MAX_CREDIT 4095 /* Maximum credit supported: 256KB * 1204 / 64B */
-
-#endif /* _DCB_CONFIG_H */
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