288 lines
9.8 KiB
C
288 lines
9.8 KiB
C
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/*-
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* Copyright (c) 2007-2013 Broadcom Corporation. All rights reserved.
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*
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* Eric Davis <edavis@broadcom.com>
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* David Christensen <davidch@broadcom.com>
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* Gary Zambrano <zambrano@broadcom.com>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of Broadcom Corporation nor the name of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written consent.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS'
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#ifndef BXE_DCB_H
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#define BXE_DCB_H
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#define LLFC_DRIVER_TRAFFIC_TYPE_MAX 3 /* NW, iSCSI, FCoE */
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struct bxe_dcbx_app_params {
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uint32_t enabled;
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uint32_t 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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/* bxe currently limits numbers of supported COSes to 3 to be extended to 6 */
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#define BXE_MAX_COS_SUPPORT 3
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#define DCBX_COS_MAX_NUM_E3B0 BXE_MAX_COS_SUPPORT
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#define DCBX_COS_MAX_NUM BXE_MAX_COS_SUPPORT
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struct bxe_dcbx_cos_params {
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uint32_t bw_tbl;
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uint32_t 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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uint8_t strict;
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#define BXE_DCBX_STRICT_INVALID DCBX_COS_MAX_NUM
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#define BXE_DCBX_STRICT_COS_HIGHEST 0
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#define BXE_DCBX_STRICT_COS_NEXT_LOWER_PRI(sp) ((sp) + 1)
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uint8_t pauseable;
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};
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struct bxe_dcbx_pg_params {
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uint32_t enabled;
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uint8_t num_of_cos; /* valid COS entries */
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struct bxe_dcbx_cos_params cos_params[DCBX_COS_MAX_NUM];
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};
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struct bxe_dcbx_pfc_params {
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uint32_t enabled;
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uint32_t priority_non_pauseable_mask;
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};
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struct bxe_dcbx_port_params {
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struct bxe_dcbx_pfc_params pfc;
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struct bxe_dcbx_pg_params ets;
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struct bxe_dcbx_app_params app;
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};
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#define BXE_DCBX_CONFIG_INV_VALUE (0xFFFFFFFF)
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#define BXE_DCBX_OVERWRITE_SETTINGS_DISABLE 0
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#define BXE_DCBX_OVERWRITE_SETTINGS_ENABLE 1
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#define BXE_DCBX_OVERWRITE_SETTINGS_INVALID (BXE_DCBX_CONFIG_INV_VALUE)
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#define BXE_IS_ETS_ENABLED(sc) \
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((sc)->dcb_state == BXE_DCB_STATE_ON && \
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(sc)->dcbx_port_params.ets.enabled)
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struct bxe_config_lldp_params {
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uint32_t overwrite_settings;
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uint32_t msg_tx_hold;
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uint32_t msg_fast_tx;
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uint32_t tx_credit_max;
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uint32_t msg_tx_interval;
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uint32_t tx_fast;
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};
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struct bxe_lldp_params_get {
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uint32_t ver_num;
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#define LLDP_PARAMS_VER_NUM 2
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struct bxe_config_lldp_params config_lldp_params;
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/* The reserved field should follow in case the struct above will increase*/
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uint32_t _reserved[20];
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uint32_t admin_status;
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#define LLDP_TX_ONLY 0x01
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#define LLDP_RX_ONLY 0x02
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#define LLDP_TX_RX 0x03
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#define LLDP_DISABLED 0x04
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uint32_t remote_chassis_id[REM_CHASSIS_ID_STAT_LEN];
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uint32_t remote_port_id[REM_PORT_ID_STAT_LEN];
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uint32_t local_chassis_id[LOCAL_CHASSIS_ID_STAT_LEN];
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uint32_t local_port_id[LOCAL_PORT_ID_STAT_LEN];
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};
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struct bxe_admin_priority_app_table {
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uint32_t valid;
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uint32_t priority;
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#define INVALID_TRAFFIC_TYPE_PRIORITY (0xFFFFFFFF)
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uint32_t traffic_type;
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#define TRAFFIC_TYPE_ETH 0
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#define TRAFFIC_TYPE_PORT 1
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uint32_t app_id;
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};
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#define DCBX_CONFIG_MAX_APP_PROTOCOL 4
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struct bxe_config_dcbx_params {
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uint32_t overwrite_settings;
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uint32_t admin_dcbx_version;
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uint32_t admin_ets_enable;
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uint32_t admin_pfc_enable;
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uint32_t admin_tc_supported_tx_enable;
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uint32_t admin_ets_configuration_tx_enable;
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uint32_t admin_ets_recommendation_tx_enable;
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uint32_t admin_pfc_tx_enable;
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uint32_t admin_application_priority_tx_enable;
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uint32_t admin_ets_willing;
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uint32_t admin_ets_reco_valid;
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uint32_t admin_pfc_willing;
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uint32_t admin_app_priority_willing;
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uint32_t admin_configuration_bw_precentage[8];
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uint32_t admin_configuration_ets_pg[8];
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uint32_t admin_recommendation_bw_precentage[8];
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uint32_t admin_recommendation_ets_pg[8];
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uint32_t admin_pfc_bitmap;
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struct bxe_admin_priority_app_table
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admin_priority_app_table[DCBX_CONFIG_MAX_APP_PROTOCOL];
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uint32_t admin_default_priority;
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};
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//#define DCBX_PARAMS_VER_NUM 3 /* XXX conflict with common_uif.h */
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struct bxe_dcbx_params_get {
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uint32_t ver_num;
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uint32_t dcb_state;
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uint32_t dcbx_enabled;
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struct bxe_config_dcbx_params config_dcbx_params;
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/* The reserved field should follow in case the struct above will increase*/
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uint32_t _reserved[19];
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uint32_t dcb_current_state;
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#define BXE_DCBX_CURRENT_STATE_IS_SYNC (1 << 0)
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#define BXE_PFC_IS_CURRENTLY_OPERATIONAL (1 << 1)
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#define BXE_ETS_IS_CURRENTLY_OPERATIONAL (1 << 2)
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#define BXE_PRIORITY_TAGGING_IS_CURRENTLY_OPERATIONAL (1 << 3)
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uint32_t local_tc_supported;
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uint32_t local_pfc_caps;
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uint32_t remote_tc_supported;
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uint32_t remote_pfc_cap;
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uint32_t remote_ets_willing;
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uint32_t remote_ets_reco_valid;
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uint32_t remote_pfc_willing;
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uint32_t remote_app_priority_willing;
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uint32_t remote_configuration_bw_precentage[8];
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uint32_t remote_configuration_ets_pg[8];
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uint32_t remote_recommendation_bw_precentage[8];
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uint32_t remote_recommendation_ets_pg[8];
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uint32_t remote_pfc_bitmap;
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struct bxe_admin_priority_app_table
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remote_priority_app_table[DCBX_MAX_APP_PROTOCOL];
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uint32_t local_ets_enable;
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uint32_t local_pfc_enable;
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uint32_t local_configuration_bw_precentage[8];
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uint32_t local_configuration_ets_pg[8];
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uint32_t local_pfc_bitmap;
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struct bxe_admin_priority_app_table
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local_priority_app_table[DCBX_MAX_APP_PROTOCOL];
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uint32_t pfc_mismatch;
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uint32_t priority_app_mismatch;
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uint32_t dcbx_frames_sent;
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uint32_t dcbx_frames_received;
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uint32_t pfc_frames_sent[2];
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uint32_t pfc_frames_received[2];
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};
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struct bxe_dcbx_params_set {
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uint32_t ver_num;
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uint32_t dcb_state;
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uint32_t dcbx_enabled;
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struct bxe_config_dcbx_params config_dcbx_params;
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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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uint32_t pri_join_mask;
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uint32_t cos_bw;
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uint8_t strict;
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uint8_t 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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uint8_t 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(sc) \
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((sc)->dcbx_port_params.pfc.priority_non_pauseable_mask)
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#define DCBX_PFC_PRI_PAUSE_MASK(sc) \
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((uint8_t)~DCBX_PFC_PRI_NON_PAUSE_MASK(sc))
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#define DCBX_PFC_PRI_GET_PAUSE(sc, pg_pri) \
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((pg_pri) & (DCBX_PFC_PRI_PAUSE_MASK(sc)))
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#define DCBX_PFC_PRI_GET_NON_PAUSE(sc, pg_pri) \
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(DCBX_PFC_PRI_NON_PAUSE_MASK(sc) & (pg_pri))
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#define DCBX_IS_PFC_PRI_SOME_PAUSE(sc, pg_pri) \
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(0 != DCBX_PFC_PRI_GET_PAUSE(sc, pg_pri))
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#define IS_DCBX_PFC_PRI_ONLY_PAUSE(sc, pg_pri) \
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(pg_pri == DCBX_PFC_PRI_GET_PAUSE((sc), (pg_pri)))
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#define IS_DCBX_PFC_PRI_ONLY_NON_PAUSE(sc, pg_pri) \
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((pg_pri) == DCBX_PFC_PRI_GET_NON_PAUSE((sc), (pg_pri)))
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#define IS_DCBX_PFC_PRI_MIX_PAUSE(sc, pg_pri) \
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(!(IS_DCBX_PFC_PRI_ONLY_NON_PAUSE((sc), (pg_pri)) || \
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IS_DCBX_PFC_PRI_ONLY_PAUSE((sc), (pg_pri))))
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struct pg_entry_help_data {
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uint8_t num_of_dif_pri;
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uint8_t pg;
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uint32_t 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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uint8_t num_of_pg;
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};
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/* forward DCB/PFC related declarations */
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struct bxe_softc;
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/* void bxe_dcbx_update(struct work_struct *work); */
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void bxe_dcbx_init_params(struct bxe_softc *sc);
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void bxe_dcbx_set_state(struct bxe_softc *sc, uint8_t dcb_on, uint32_t dcbx_enabled);
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int bxe_dcb_get_lldp_params_ioctl(struct bxe_softc *sc, void *uaddr);
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int bxe_dcb_get_dcbx_params_ioctl(struct bxe_softc *sc, void *uaddr);
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int bxe_dcb_set_dcbx_params_ioctl(struct bxe_softc *sc, void *uaddr);
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enum {
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BXE_DCBX_STATE_NEG_RECEIVED = 0x1,
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BXE_DCBX_STATE_TX_PAUSED,
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BXE_DCBX_STATE_TX_RELEASED
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};
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void bxe_dcbx_set_params(struct bxe_softc *sc, uint32_t state);
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void bxe_dcbx_pmf_update(struct bxe_softc *sc);
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#endif /* BXE_DCB_H */
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