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207 lines
6.0 KiB
207 lines
6.0 KiB
/* bnx2x_dcb.h: QLogic Everest network driver. |
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* |
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* Copyright 2009-2013 Broadcom Corporation |
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* Copyright 2014 QLogic Corporation |
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* All rights reserved |
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* |
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* Unless you and QLogic execute a separate written software license |
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* agreement governing use of this software, this software is licensed to you |
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* under the terms of the GNU General Public License version 2, available |
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* at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL"). |
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* |
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* Notwithstanding the above, under no circumstances may you combine this |
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* software in any way with any other QLogic software provided under a |
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* license other than the GPL, without QLogic's express prior written |
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* consent. |
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* |
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* Maintained by: Ariel Elior <[email protected]> |
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* Written by: Dmitry Kravkov |
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* |
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*/ |
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#ifndef BNX2X_DCB_H |
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#define BNX2X_DCB_H |
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#include "bnx2x_hsi.h" |
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#define LLFC_DRIVER_TRAFFIC_TYPE_MAX 3 /* NW, iSCSI, FCoE */ |
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struct bnx2x_dcbx_app_params { |
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u32 enabled; |
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u32 traffic_type_priority[LLFC_DRIVER_TRAFFIC_TYPE_MAX]; |
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}; |
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#define DCBX_COS_MAX_NUM_E2 DCBX_E2E3_MAX_NUM_COS |
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/* bnx2x currently limits numbers of supported COSes to 3 to be extended to 6 */ |
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#define BNX2X_MAX_COS_SUPPORT 3 |
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#define DCBX_COS_MAX_NUM_E3B0 BNX2X_MAX_COS_SUPPORT |
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#define DCBX_COS_MAX_NUM BNX2X_MAX_COS_SUPPORT |
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struct bnx2x_dcbx_cos_params { |
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u32 bw_tbl; |
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u32 pri_bitmask; |
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/* |
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* strict priority: valid values are 0..5; 0 is highest priority. |
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* There can't be two COSes with the same priority. |
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*/ |
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u8 strict; |
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#define BNX2X_DCBX_STRICT_INVALID DCBX_COS_MAX_NUM |
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#define BNX2X_DCBX_STRICT_COS_HIGHEST 0 |
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#define BNX2X_DCBX_STRICT_COS_NEXT_LOWER_PRI(sp) ((sp) + 1) |
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u8 pauseable; |
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}; |
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struct bnx2x_dcbx_pg_params { |
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u32 enabled; |
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u8 num_of_cos; /* valid COS entries */ |
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struct bnx2x_dcbx_cos_params cos_params[DCBX_COS_MAX_NUM]; |
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}; |
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struct bnx2x_dcbx_pfc_params { |
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u32 enabled; |
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u32 priority_non_pauseable_mask; |
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}; |
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struct bnx2x_dcbx_port_params { |
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struct bnx2x_dcbx_pfc_params pfc; |
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struct bnx2x_dcbx_pg_params ets; |
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struct bnx2x_dcbx_app_params app; |
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}; |
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#define BNX2X_DCBX_CONFIG_INV_VALUE (0xFFFFFFFF) |
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#define BNX2X_DCBX_OVERWRITE_SETTINGS_DISABLE 0 |
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#define BNX2X_DCBX_OVERWRITE_SETTINGS_ENABLE 1 |
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#define BNX2X_DCBX_OVERWRITE_SETTINGS_INVALID (BNX2X_DCBX_CONFIG_INV_VALUE) |
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#define BNX2X_IS_ETS_ENABLED(bp) ((bp)->dcb_state == BNX2X_DCB_STATE_ON &&\ |
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(bp)->dcbx_port_params.ets.enabled) |
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struct bnx2x_config_lldp_params { |
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u32 overwrite_settings; |
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u32 msg_tx_hold; |
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u32 msg_fast_tx; |
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u32 tx_credit_max; |
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u32 msg_tx_interval; |
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u32 tx_fast; |
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}; |
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struct bnx2x_admin_priority_app_table { |
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u32 valid; |
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u32 priority; |
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#define INVALID_TRAFFIC_TYPE_PRIORITY (0xFFFFFFFF) |
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u32 traffic_type; |
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#define TRAFFIC_TYPE_ETH 0 |
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#define TRAFFIC_TYPE_PORT 1 |
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u32 app_id; |
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}; |
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#define DCBX_CONFIG_MAX_APP_PROTOCOL 4 |
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struct bnx2x_config_dcbx_params { |
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u32 overwrite_settings; |
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u32 admin_dcbx_version; |
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u32 admin_ets_enable; |
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u32 admin_pfc_enable; |
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u32 admin_tc_supported_tx_enable; |
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u32 admin_ets_configuration_tx_enable; |
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u32 admin_ets_recommendation_tx_enable; |
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u32 admin_pfc_tx_enable; |
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u32 admin_application_priority_tx_enable; |
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u32 admin_ets_willing; |
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u32 admin_ets_reco_valid; |
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u32 admin_pfc_willing; |
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u32 admin_app_priority_willing; |
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u32 admin_configuration_bw_precentage[8]; |
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u32 admin_configuration_ets_pg[8]; |
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u32 admin_recommendation_bw_precentage[8]; |
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u32 admin_recommendation_ets_pg[8]; |
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u32 admin_pfc_bitmap; |
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struct bnx2x_admin_priority_app_table |
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admin_priority_app_table[DCBX_CONFIG_MAX_APP_PROTOCOL]; |
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u32 admin_default_priority; |
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}; |
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#define GET_FLAGS(flags, bits) ((flags) & (bits)) |
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#define SET_FLAGS(flags, bits) ((flags) |= (bits)) |
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#define RESET_FLAGS(flags, bits) ((flags) &= ~(bits)) |
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enum { |
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DCBX_READ_LOCAL_MIB, |
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DCBX_READ_REMOTE_MIB |
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}; |
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#define ETH_TYPE_FCOE (0x8906) |
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#define TCP_PORT_ISCSI (0xCBC) |
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#define PFC_VALUE_FRAME_SIZE (512) |
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#define PFC_QUANTA_IN_NANOSEC_FROM_SPEED_MEGA(mega_speed) \ |
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((1000 * PFC_VALUE_FRAME_SIZE)/(mega_speed)) |
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#define PFC_BRB1_REG_HIGH_LLFC_LOW_THRESHOLD 130 |
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#define PFC_BRB1_REG_HIGH_LLFC_HIGH_THRESHOLD 170 |
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struct cos_entry_help_data { |
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u32 pri_join_mask; |
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u32 cos_bw; |
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u8 strict; |
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bool pausable; |
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}; |
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struct cos_help_data { |
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struct cos_entry_help_data data[DCBX_COS_MAX_NUM]; |
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u8 num_of_cos; |
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}; |
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#define DCBX_ILLEGAL_PG (0xFF) |
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#define DCBX_PFC_PRI_MASK (0xFF) |
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#define DCBX_STRICT_PRIORITY (15) |
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#define DCBX_INVALID_COS_BW (0xFFFFFFFF) |
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#define DCBX_PFC_PRI_NON_PAUSE_MASK(bp) \ |
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((bp)->dcbx_port_params.pfc.priority_non_pauseable_mask) |
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#define DCBX_PFC_PRI_PAUSE_MASK(bp) \ |
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((u8)~DCBX_PFC_PRI_NON_PAUSE_MASK(bp)) |
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#define DCBX_PFC_PRI_GET_PAUSE(bp, pg_pri) \ |
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((pg_pri) & (DCBX_PFC_PRI_PAUSE_MASK(bp))) |
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#define DCBX_PFC_PRI_GET_NON_PAUSE(bp, pg_pri) \ |
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(DCBX_PFC_PRI_NON_PAUSE_MASK(bp) & (pg_pri)) |
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#define DCBX_IS_PFC_PRI_SOME_PAUSE(bp, pg_pri) \ |
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(0 != DCBX_PFC_PRI_GET_PAUSE(bp, pg_pri)) |
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#define IS_DCBX_PFC_PRI_ONLY_PAUSE(bp, pg_pri) \ |
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(pg_pri == DCBX_PFC_PRI_GET_PAUSE((bp), (pg_pri))) |
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#define IS_DCBX_PFC_PRI_ONLY_NON_PAUSE(bp, pg_pri)\ |
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((pg_pri) == DCBX_PFC_PRI_GET_NON_PAUSE((bp), (pg_pri))) |
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#define IS_DCBX_PFC_PRI_MIX_PAUSE(bp, pg_pri) \ |
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(!(IS_DCBX_PFC_PRI_ONLY_NON_PAUSE((bp), (pg_pri)) || \ |
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IS_DCBX_PFC_PRI_ONLY_PAUSE((bp), (pg_pri)))) |
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struct pg_entry_help_data { |
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u8 num_of_dif_pri; |
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u8 pg; |
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u32 pg_priority; |
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}; |
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struct pg_help_data { |
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struct pg_entry_help_data data[LLFC_DRIVER_TRAFFIC_TYPE_MAX]; |
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u8 num_of_pg; |
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}; |
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/* forward DCB/PFC related declarations */ |
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struct bnx2x; |
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void bnx2x_dcbx_update(struct work_struct *work); |
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void bnx2x_dcbx_init_params(struct bnx2x *bp); |
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void bnx2x_dcbx_set_state(struct bnx2x *bp, bool dcb_on, u32 dcbx_enabled); |
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enum { |
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BNX2X_DCBX_STATE_NEG_RECEIVED = 0x1, |
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BNX2X_DCBX_STATE_TX_PAUSED, |
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BNX2X_DCBX_STATE_TX_RELEASED |
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}; |
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void bnx2x_dcbx_set_params(struct bnx2x *bp, u32 state); |
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void bnx2x_dcbx_pmf_update(struct bnx2x *bp); |
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/* DCB netlink */ |
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#ifdef BCM_DCBNL |
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extern const struct dcbnl_rtnl_ops bnx2x_dcbnl_ops; |
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int bnx2x_dcbnl_update_applist(struct bnx2x *bp, bool delall); |
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#endif /* BCM_DCBNL */ |
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int bnx2x_dcbx_stop_hw_tx(struct bnx2x *bp); |
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int bnx2x_dcbx_resume_hw_tx(struct bnx2x *bp); |
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#endif /* BNX2X_DCB_H */
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