/*-
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2007-2014 QLogic Corporation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS'
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#ifndef BXE_DCB_H
#define BXE_DCB_H
#define LLFC_DRIVER_TRAFFIC_TYPE_MAX 3 /* NW, iSCSI, FCoE */
struct bxe_dcbx_app_params {
uint32_t enabled;
uint32_t traffic_type_priority[LLFC_DRIVER_TRAFFIC_TYPE_MAX];
};
#define DCBX_COS_MAX_NUM_E2 DCBX_E2E3_MAX_NUM_COS
/* bxe currently limits numbers of supported COSes to 3 to be extended to 6 */
#define BXE_MAX_COS_SUPPORT 3
#define DCBX_COS_MAX_NUM_E3B0 BXE_MAX_COS_SUPPORT
#define DCBX_COS_MAX_NUM BXE_MAX_COS_SUPPORT
struct bxe_dcbx_cos_params {
uint32_t bw_tbl;
uint32_t pri_bitmask;
/*
* strict priority: valid values are 0..5; 0 is highest priority.
* There can't be two COSes with the same priority.
*/
uint8_t strict;
#define BXE_DCBX_STRICT_INVALID DCBX_COS_MAX_NUM
#define BXE_DCBX_STRICT_COS_HIGHEST 0
#define BXE_DCBX_STRICT_COS_NEXT_LOWER_PRI(sp) ((sp) + 1)
uint8_t pauseable;
};
struct bxe_dcbx_pg_params {
uint32_t enabled;
uint8_t num_of_cos; /* valid COS entries */
struct bxe_dcbx_cos_params cos_params[DCBX_COS_MAX_NUM];
};
struct bxe_dcbx_pfc_params {
uint32_t enabled;
uint32_t priority_non_pauseable_mask;
};
struct bxe_dcbx_port_params {
struct bxe_dcbx_pfc_params pfc;
struct bxe_dcbx_pg_params ets;
struct bxe_dcbx_app_params app;
};
#define BXE_DCBX_CONFIG_INV_VALUE (0xFFFFFFFF)
#define BXE_DCBX_OVERWRITE_SETTINGS_DISABLE 0
#define BXE_DCBX_OVERWRITE_SETTINGS_ENABLE 1
#define BXE_DCBX_OVERWRITE_SETTINGS_INVALID (BXE_DCBX_CONFIG_INV_VALUE)
#define BXE_IS_ETS_ENABLED(sc) \
((sc)->dcb_state == BXE_DCB_STATE_ON && \
(sc)->dcbx_port_params.ets.enabled)
struct bxe_config_lldp_params {
uint32_t overwrite_settings;
uint32_t msg_tx_hold;
uint32_t msg_fast_tx;
uint32_t tx_credit_max;
uint32_t msg_tx_interval;
uint32_t tx_fast;
};
struct bxe_lldp_params_get {
uint32_t ver_num;
#define LLDP_PARAMS_VER_NUM 2
struct bxe_config_lldp_params config_lldp_params;
/* The reserved field should follow in case the struct above will increase*/
uint32_t _reserved[20];
uint32_t admin_status;
#define LLDP_TX_ONLY 0x01
#define LLDP_RX_ONLY 0x02
#define LLDP_TX_RX 0x03
#define LLDP_DISABLED 0x04
uint32_t remote_chassis_id[REM_CHASSIS_ID_STAT_LEN];
uint32_t remote_port_id[REM_PORT_ID_STAT_LEN];
uint32_t local_chassis_id[LOCAL_CHASSIS_ID_STAT_LEN];
uint32_t local_port_id[LOCAL_PORT_ID_STAT_LEN];
};
struct bxe_admin_priority_app_table {
uint32_t valid;
uint32_t priority;
#define INVALID_TRAFFIC_TYPE_PRIORITY (0xFFFFFFFF)
uint32_t traffic_type;
#define TRAFFIC_TYPE_ETH 0
#define TRAFFIC_TYPE_PORT 1
uint32_t app_id;
};
#define DCBX_CONFIG_MAX_APP_PROTOCOL 4
struct bxe_config_dcbx_params {
uint32_t overwrite_settings;
uint32_t admin_dcbx_version;
uint32_t admin_ets_enable;
uint32_t admin_pfc_enable;
uint32_t admin_tc_supported_tx_enable;
uint32_t admin_ets_configuration_tx_enable;
uint32_t admin_ets_recommendation_tx_enable;
uint32_t admin_pfc_tx_enable;
uint32_t admin_application_priority_tx_enable;
uint32_t admin_ets_willing;
uint32_t admin_ets_reco_valid;
uint32_t admin_pfc_willing;
uint32_t admin_app_priority_willing;
uint32_t admin_configuration_bw_precentage[8];
uint32_t admin_configuration_ets_pg[8];
uint32_t admin_recommendation_bw_precentage[8];
uint32_t admin_recommendation_ets_pg[8];
uint32_t admin_pfc_bitmap;
struct bxe_admin_priority_app_table
admin_priority_app_table[DCBX_CONFIG_MAX_APP_PROTOCOL];
uint32_t admin_default_priority;
};
//#define DCBX_PARAMS_VER_NUM 3 /* XXX conflict with common_uif.h */
struct bxe_dcbx_params_get {
uint32_t ver_num;
uint32_t dcb_state;
uint32_t dcbx_enabled;
struct bxe_config_dcbx_params config_dcbx_params;
/* The reserved field should follow in case the struct above will increase*/
uint32_t _reserved[19];
uint32_t dcb_current_state;
#define BXE_DCBX_CURRENT_STATE_IS_SYNC (1 << 0)
#define BXE_PFC_IS_CURRENTLY_OPERATIONAL (1 << 1)
#define BXE_ETS_IS_CURRENTLY_OPERATIONAL (1 << 2)
#define BXE_PRIORITY_TAGGING_IS_CURRENTLY_OPERATIONAL (1 << 3)
uint32_t local_tc_supported;
uint32_t local_pfc_caps;
uint32_t remote_tc_supported;
uint32_t remote_pfc_cap;
uint32_t remote_ets_willing;
uint32_t remote_ets_reco_valid;
uint32_t remote_pfc_willing;
uint32_t remote_app_priority_willing;
uint32_t remote_configuration_bw_precentage[8];
uint32_t remote_configuration_ets_pg[8];
uint32_t remote_recommendation_bw_precentage[8];
uint32_t remote_recommendation_ets_pg[8];
uint32_t remote_pfc_bitmap;
struct bxe_admin_priority_app_table
remote_priority_app_table[DCBX_MAX_APP_PROTOCOL];
uint32_t local_ets_enable;
uint32_t local_pfc_enable;
uint32_t local_configuration_bw_precentage[8];
uint32_t local_configuration_ets_pg[8];
uint32_t local_pfc_bitmap;
struct bxe_admin_priority_app_table
local_priority_app_table[DCBX_MAX_APP_PROTOCOL];
uint32_t pfc_mismatch;
uint32_t priority_app_mismatch;
uint32_t dcbx_frames_sent;
uint32_t dcbx_frames_received;
uint32_t pfc_frames_sent[2];
uint32_t pfc_frames_received[2];
};
struct bxe_dcbx_params_set {
uint32_t ver_num;
uint32_t dcb_state;
uint32_t dcbx_enabled;
struct bxe_config_dcbx_params config_dcbx_params;
};
#define GET_FLAGS(flags, bits) ((flags) & (bits))
#define SET_FLAGS(flags, bits) ((flags) |= (bits))
#define RESET_FLAGS(flags, bits) ((flags) &= ~(bits))
enum {
DCBX_READ_LOCAL_MIB,
DCBX_READ_REMOTE_MIB
};
#define ETH_TYPE_FCOE (0x8906)
#define TCP_PORT_ISCSI (0xCBC)
#define PFC_VALUE_FRAME_SIZE (512)
#define PFC_QUANTA_IN_NANOSEC_FROM_SPEED_MEGA(mega_speed) \
((1000 * PFC_VALUE_FRAME_SIZE)/(mega_speed))
#define PFC_BRB1_REG_HIGH_LLFC_LOW_THRESHOLD 130
#define PFC_BRB1_REG_HIGH_LLFC_HIGH_THRESHOLD 170
struct cos_entry_help_data {
uint32_t pri_join_mask;
uint32_t cos_bw;
uint8_t strict;
uint8_t pausable;
};
struct cos_help_data {
struct cos_entry_help_data data[DCBX_COS_MAX_NUM];
uint8_t num_of_cos;
};
#define DCBX_ILLEGAL_PG (0xFF)
#define DCBX_PFC_PRI_MASK (0xFF)
#define DCBX_STRICT_PRIORITY (15)
#define DCBX_INVALID_COS_BW (0xFFFFFFFF)
#define DCBX_PFC_PRI_NON_PAUSE_MASK(sc) \
((sc)->dcbx_port_params.pfc.priority_non_pauseable_mask)
#define DCBX_PFC_PRI_PAUSE_MASK(sc) \
((uint8_t)~DCBX_PFC_PRI_NON_PAUSE_MASK(sc))
#define DCBX_PFC_PRI_GET_PAUSE(sc, pg_pri) \
((pg_pri) & (DCBX_PFC_PRI_PAUSE_MASK(sc)))
#define DCBX_PFC_PRI_GET_NON_PAUSE(sc, pg_pri) \
(DCBX_PFC_PRI_NON_PAUSE_MASK(sc) & (pg_pri))
#define DCBX_IS_PFC_PRI_SOME_PAUSE(sc, pg_pri) \
(0 != DCBX_PFC_PRI_GET_PAUSE(sc, pg_pri))
#define IS_DCBX_PFC_PRI_ONLY_PAUSE(sc, pg_pri) \
(pg_pri == DCBX_PFC_PRI_GET_PAUSE((sc), (pg_pri)))
#define IS_DCBX_PFC_PRI_ONLY_NON_PAUSE(sc, pg_pri) \
((pg_pri) == DCBX_PFC_PRI_GET_NON_PAUSE((sc), (pg_pri)))
#define IS_DCBX_PFC_PRI_MIX_PAUSE(sc, pg_pri) \
(!(IS_DCBX_PFC_PRI_ONLY_NON_PAUSE((sc), (pg_pri)) || \
IS_DCBX_PFC_PRI_ONLY_PAUSE((sc), (pg_pri))))
struct pg_entry_help_data {
uint8_t num_of_dif_pri;
uint8_t pg;
uint32_t pg_priority;
};
struct pg_help_data {
struct pg_entry_help_data data[LLFC_DRIVER_TRAFFIC_TYPE_MAX];
uint8_t num_of_pg;
};
/* forward DCB/PFC related declarations */
struct bxe_softc;
/* void bxe_dcbx_update(struct work_struct *work); */
void bxe_dcbx_init_params(struct bxe_softc *sc);
void bxe_dcbx_set_state(struct bxe_softc *sc, uint8_t dcb_on, uint32_t dcbx_enabled);
int bxe_dcb_get_lldp_params_ioctl(struct bxe_softc *sc, void *uaddr);
int bxe_dcb_get_dcbx_params_ioctl(struct bxe_softc *sc, void *uaddr);
int bxe_dcb_set_dcbx_params_ioctl(struct bxe_softc *sc, void *uaddr);
enum {
BXE_DCBX_STATE_NEG_RECEIVED = 0x1,
BXE_DCBX_STATE_TX_PAUSED,
BXE_DCBX_STATE_TX_RELEASED
};
void bxe_dcbx_set_params(struct bxe_softc *sc, uint32_t state);
void bxe_dcbx_pmf_update(struct bxe_softc *sc);
#endif /* BXE_DCB_H */
