bxe_dcb.h revision 255736
1255736Sdavidch/*- 2255736Sdavidch * Copyright (c) 2007-2013 Broadcom Corporation. All rights reserved. 3255736Sdavidch * 4255736Sdavidch * Eric Davis <edavis@broadcom.com> 5255736Sdavidch * David Christensen <davidch@broadcom.com> 6255736Sdavidch * Gary Zambrano <zambrano@broadcom.com> 7255736Sdavidch * 8255736Sdavidch * Redistribution and use in source and binary forms, with or without 9255736Sdavidch * modification, are permitted provided that the following conditions 10255736Sdavidch * are met: 11255736Sdavidch * 12255736Sdavidch * 1. Redistributions of source code must retain the above copyright 13255736Sdavidch * notice, this list of conditions and the following disclaimer. 14255736Sdavidch * 2. Redistributions in binary form must reproduce the above copyright 15255736Sdavidch * notice, this list of conditions and the following disclaimer in the 16255736Sdavidch * documentation and/or other materials provided with the distribution. 17255736Sdavidch * 3. Neither the name of Broadcom Corporation nor the name of its contributors 18255736Sdavidch * may be used to endorse or promote products derived from this software 19255736Sdavidch * without specific prior written consent. 20255736Sdavidch * 21255736Sdavidch * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS' 22255736Sdavidch * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23255736Sdavidch * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24255736Sdavidch * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS 25255736Sdavidch * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26255736Sdavidch * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27255736Sdavidch * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28255736Sdavidch * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29255736Sdavidch * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30255736Sdavidch * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 31255736Sdavidch * THE POSSIBILITY OF SUCH DAMAGE. 32255736Sdavidch */ 33255736Sdavidch 34255736Sdavidch#include <sys/cdefs.h> 35255736Sdavidch__FBSDID("$FreeBSD: head/sys/dev/bxe/bxe_dcb.h 255736 2013-09-20 20:18:49Z davidch $"); 36255736Sdavidch 37255736Sdavidch#ifndef BXE_DCB_H 38255736Sdavidch#define BXE_DCB_H 39255736Sdavidch 40255736Sdavidch#define LLFC_DRIVER_TRAFFIC_TYPE_MAX 3 /* NW, iSCSI, FCoE */ 41255736Sdavidchstruct bxe_dcbx_app_params { 42255736Sdavidch uint32_t enabled; 43255736Sdavidch uint32_t traffic_type_priority[LLFC_DRIVER_TRAFFIC_TYPE_MAX]; 44255736Sdavidch}; 45255736Sdavidch 46255736Sdavidch#define DCBX_COS_MAX_NUM_E2 DCBX_E2E3_MAX_NUM_COS 47255736Sdavidch/* bxe currently limits numbers of supported COSes to 3 to be extended to 6 */ 48255736Sdavidch#define BXE_MAX_COS_SUPPORT 3 49255736Sdavidch#define DCBX_COS_MAX_NUM_E3B0 BXE_MAX_COS_SUPPORT 50255736Sdavidch#define DCBX_COS_MAX_NUM BXE_MAX_COS_SUPPORT 51255736Sdavidch 52255736Sdavidchstruct bxe_dcbx_cos_params { 53255736Sdavidch uint32_t bw_tbl; 54255736Sdavidch uint32_t pri_bitmask; 55255736Sdavidch /* 56255736Sdavidch * strict priority: valid values are 0..5; 0 is highest priority. 57255736Sdavidch * There can't be two COSes with the same priority. 58255736Sdavidch */ 59255736Sdavidch uint8_t strict; 60255736Sdavidch#define BXE_DCBX_STRICT_INVALID DCBX_COS_MAX_NUM 61255736Sdavidch#define BXE_DCBX_STRICT_COS_HIGHEST 0 62255736Sdavidch#define BXE_DCBX_STRICT_COS_NEXT_LOWER_PRI(sp) ((sp) + 1) 63255736Sdavidch uint8_t pauseable; 64255736Sdavidch}; 65255736Sdavidch 66255736Sdavidchstruct bxe_dcbx_pg_params { 67255736Sdavidch uint32_t enabled; 68255736Sdavidch uint8_t num_of_cos; /* valid COS entries */ 69255736Sdavidch struct bxe_dcbx_cos_params cos_params[DCBX_COS_MAX_NUM]; 70255736Sdavidch}; 71255736Sdavidch 72255736Sdavidchstruct bxe_dcbx_pfc_params { 73255736Sdavidch uint32_t enabled; 74255736Sdavidch uint32_t priority_non_pauseable_mask; 75255736Sdavidch}; 76255736Sdavidch 77255736Sdavidchstruct bxe_dcbx_port_params { 78255736Sdavidch struct bxe_dcbx_pfc_params pfc; 79255736Sdavidch struct bxe_dcbx_pg_params ets; 80255736Sdavidch struct bxe_dcbx_app_params app; 81255736Sdavidch}; 82255736Sdavidch 83255736Sdavidch#define BXE_DCBX_CONFIG_INV_VALUE (0xFFFFFFFF) 84255736Sdavidch#define BXE_DCBX_OVERWRITE_SETTINGS_DISABLE 0 85255736Sdavidch#define BXE_DCBX_OVERWRITE_SETTINGS_ENABLE 1 86255736Sdavidch#define BXE_DCBX_OVERWRITE_SETTINGS_INVALID (BXE_DCBX_CONFIG_INV_VALUE) 87255736Sdavidch#define BXE_IS_ETS_ENABLED(sc) \ 88255736Sdavidch ((sc)->dcb_state == BXE_DCB_STATE_ON && \ 89255736Sdavidch (sc)->dcbx_port_params.ets.enabled) 90255736Sdavidch 91255736Sdavidchstruct bxe_config_lldp_params { 92255736Sdavidch uint32_t overwrite_settings; 93255736Sdavidch uint32_t msg_tx_hold; 94255736Sdavidch uint32_t msg_fast_tx; 95255736Sdavidch uint32_t tx_credit_max; 96255736Sdavidch uint32_t msg_tx_interval; 97255736Sdavidch uint32_t tx_fast; 98255736Sdavidch}; 99255736Sdavidch 100255736Sdavidchstruct bxe_lldp_params_get { 101255736Sdavidch uint32_t ver_num; 102255736Sdavidch#define LLDP_PARAMS_VER_NUM 2 103255736Sdavidch struct bxe_config_lldp_params config_lldp_params; 104255736Sdavidch /* The reserved field should follow in case the struct above will increase*/ 105255736Sdavidch uint32_t _reserved[20]; 106255736Sdavidch uint32_t admin_status; 107255736Sdavidch#define LLDP_TX_ONLY 0x01 108255736Sdavidch#define LLDP_RX_ONLY 0x02 109255736Sdavidch#define LLDP_TX_RX 0x03 110255736Sdavidch#define LLDP_DISABLED 0x04 111255736Sdavidch uint32_t remote_chassis_id[REM_CHASSIS_ID_STAT_LEN]; 112255736Sdavidch uint32_t remote_port_id[REM_PORT_ID_STAT_LEN]; 113255736Sdavidch uint32_t local_chassis_id[LOCAL_CHASSIS_ID_STAT_LEN]; 114255736Sdavidch uint32_t local_port_id[LOCAL_PORT_ID_STAT_LEN]; 115255736Sdavidch}; 116255736Sdavidch 117255736Sdavidchstruct bxe_admin_priority_app_table { 118255736Sdavidch uint32_t valid; 119255736Sdavidch uint32_t priority; 120255736Sdavidch#define INVALID_TRAFFIC_TYPE_PRIORITY (0xFFFFFFFF) 121255736Sdavidch uint32_t traffic_type; 122255736Sdavidch#define TRAFFIC_TYPE_ETH 0 123255736Sdavidch#define TRAFFIC_TYPE_PORT 1 124255736Sdavidch uint32_t app_id; 125255736Sdavidch}; 126255736Sdavidch 127255736Sdavidch#define DCBX_CONFIG_MAX_APP_PROTOCOL 4 128255736Sdavidchstruct bxe_config_dcbx_params { 129255736Sdavidch uint32_t overwrite_settings; 130255736Sdavidch uint32_t admin_dcbx_version; 131255736Sdavidch uint32_t admin_ets_enable; 132255736Sdavidch uint32_t admin_pfc_enable; 133255736Sdavidch uint32_t admin_tc_supported_tx_enable; 134255736Sdavidch uint32_t admin_ets_configuration_tx_enable; 135255736Sdavidch uint32_t admin_ets_recommendation_tx_enable; 136255736Sdavidch uint32_t admin_pfc_tx_enable; 137255736Sdavidch uint32_t admin_application_priority_tx_enable; 138255736Sdavidch uint32_t admin_ets_willing; 139255736Sdavidch uint32_t admin_ets_reco_valid; 140255736Sdavidch uint32_t admin_pfc_willing; 141255736Sdavidch uint32_t admin_app_priority_willing; 142255736Sdavidch uint32_t admin_configuration_bw_precentage[8]; 143255736Sdavidch uint32_t admin_configuration_ets_pg[8]; 144255736Sdavidch uint32_t admin_recommendation_bw_precentage[8]; 145255736Sdavidch uint32_t admin_recommendation_ets_pg[8]; 146255736Sdavidch uint32_t admin_pfc_bitmap; 147255736Sdavidch struct bxe_admin_priority_app_table 148255736Sdavidch admin_priority_app_table[DCBX_CONFIG_MAX_APP_PROTOCOL]; 149255736Sdavidch uint32_t admin_default_priority; 150255736Sdavidch}; 151255736Sdavidch 152255736Sdavidch//#define DCBX_PARAMS_VER_NUM 3 /* XXX conflict with common_uif.h */ 153255736Sdavidchstruct bxe_dcbx_params_get { 154255736Sdavidch uint32_t ver_num; 155255736Sdavidch uint32_t dcb_state; 156255736Sdavidch uint32_t dcbx_enabled; 157255736Sdavidch struct bxe_config_dcbx_params config_dcbx_params; 158255736Sdavidch /* The reserved field should follow in case the struct above will increase*/ 159255736Sdavidch uint32_t _reserved[19]; 160255736Sdavidch 161255736Sdavidch uint32_t dcb_current_state; 162255736Sdavidch#define BXE_DCBX_CURRENT_STATE_IS_SYNC (1 << 0) 163255736Sdavidch#define BXE_PFC_IS_CURRENTLY_OPERATIONAL (1 << 1) 164255736Sdavidch#define BXE_ETS_IS_CURRENTLY_OPERATIONAL (1 << 2) 165255736Sdavidch#define BXE_PRIORITY_TAGGING_IS_CURRENTLY_OPERATIONAL (1 << 3) 166255736Sdavidch 167255736Sdavidch uint32_t local_tc_supported; 168255736Sdavidch uint32_t local_pfc_caps; 169255736Sdavidch uint32_t remote_tc_supported; 170255736Sdavidch uint32_t remote_pfc_cap; 171255736Sdavidch uint32_t remote_ets_willing; 172255736Sdavidch uint32_t remote_ets_reco_valid; 173255736Sdavidch uint32_t remote_pfc_willing; 174255736Sdavidch uint32_t remote_app_priority_willing; 175255736Sdavidch uint32_t remote_configuration_bw_precentage[8]; 176255736Sdavidch uint32_t remote_configuration_ets_pg[8]; 177255736Sdavidch uint32_t remote_recommendation_bw_precentage[8]; 178255736Sdavidch uint32_t remote_recommendation_ets_pg[8]; 179255736Sdavidch uint32_t remote_pfc_bitmap; 180255736Sdavidch struct bxe_admin_priority_app_table 181255736Sdavidch remote_priority_app_table[DCBX_MAX_APP_PROTOCOL]; 182255736Sdavidch uint32_t local_ets_enable; 183255736Sdavidch uint32_t local_pfc_enable; 184255736Sdavidch uint32_t local_configuration_bw_precentage[8]; 185255736Sdavidch uint32_t local_configuration_ets_pg[8]; 186255736Sdavidch uint32_t local_pfc_bitmap; 187255736Sdavidch struct bxe_admin_priority_app_table 188255736Sdavidch local_priority_app_table[DCBX_MAX_APP_PROTOCOL]; 189255736Sdavidch uint32_t pfc_mismatch; 190255736Sdavidch uint32_t priority_app_mismatch; 191255736Sdavidch uint32_t dcbx_frames_sent; 192255736Sdavidch uint32_t dcbx_frames_received; 193255736Sdavidch uint32_t pfc_frames_sent[2]; 194255736Sdavidch uint32_t pfc_frames_received[2]; 195255736Sdavidch}; 196255736Sdavidch 197255736Sdavidchstruct bxe_dcbx_params_set { 198255736Sdavidch uint32_t ver_num; 199255736Sdavidch uint32_t dcb_state; 200255736Sdavidch uint32_t dcbx_enabled; 201255736Sdavidch struct bxe_config_dcbx_params config_dcbx_params; 202255736Sdavidch}; 203255736Sdavidch 204255736Sdavidch#define GET_FLAGS(flags, bits) ((flags) & (bits)) 205255736Sdavidch#define SET_FLAGS(flags, bits) ((flags) |= (bits)) 206255736Sdavidch#define RESET_FLAGS(flags, bits) ((flags) &= ~(bits)) 207255736Sdavidch 208255736Sdavidchenum { 209255736Sdavidch DCBX_READ_LOCAL_MIB, 210255736Sdavidch DCBX_READ_REMOTE_MIB 211255736Sdavidch}; 212255736Sdavidch 213255736Sdavidch#define ETH_TYPE_FCOE (0x8906) 214255736Sdavidch#define TCP_PORT_ISCSI (0xCBC) 215255736Sdavidch 216255736Sdavidch#define PFC_VALUE_FRAME_SIZE (512) 217255736Sdavidch#define PFC_QUANTA_IN_NANOSEC_FROM_SPEED_MEGA(mega_speed) \ 218255736Sdavidch ((1000 * PFC_VALUE_FRAME_SIZE)/(mega_speed)) 219255736Sdavidch 220255736Sdavidch#define PFC_BRB1_REG_HIGH_LLFC_LOW_THRESHOLD 130 221255736Sdavidch#define PFC_BRB1_REG_HIGH_LLFC_HIGH_THRESHOLD 170 222255736Sdavidch 223255736Sdavidchstruct cos_entry_help_data { 224255736Sdavidch uint32_t pri_join_mask; 225255736Sdavidch uint32_t cos_bw; 226255736Sdavidch uint8_t strict; 227255736Sdavidch uint8_t pausable; 228255736Sdavidch}; 229255736Sdavidch 230255736Sdavidchstruct cos_help_data { 231255736Sdavidch struct cos_entry_help_data data[DCBX_COS_MAX_NUM]; 232255736Sdavidch uint8_t num_of_cos; 233255736Sdavidch}; 234255736Sdavidch 235255736Sdavidch#define DCBX_ILLEGAL_PG (0xFF) 236255736Sdavidch#define DCBX_PFC_PRI_MASK (0xFF) 237255736Sdavidch#define DCBX_STRICT_PRIORITY (15) 238255736Sdavidch#define DCBX_INVALID_COS_BW (0xFFFFFFFF) 239255736Sdavidch#define DCBX_PFC_PRI_NON_PAUSE_MASK(sc) \ 240255736Sdavidch ((sc)->dcbx_port_params.pfc.priority_non_pauseable_mask) 241255736Sdavidch#define DCBX_PFC_PRI_PAUSE_MASK(sc) \ 242255736Sdavidch ((uint8_t)~DCBX_PFC_PRI_NON_PAUSE_MASK(sc)) 243255736Sdavidch#define DCBX_PFC_PRI_GET_PAUSE(sc, pg_pri) \ 244255736Sdavidch ((pg_pri) & (DCBX_PFC_PRI_PAUSE_MASK(sc))) 245255736Sdavidch#define DCBX_PFC_PRI_GET_NON_PAUSE(sc, pg_pri) \ 246255736Sdavidch (DCBX_PFC_PRI_NON_PAUSE_MASK(sc) & (pg_pri)) 247255736Sdavidch#define DCBX_IS_PFC_PRI_SOME_PAUSE(sc, pg_pri) \ 248255736Sdavidch (0 != DCBX_PFC_PRI_GET_PAUSE(sc, pg_pri)) 249255736Sdavidch#define IS_DCBX_PFC_PRI_ONLY_PAUSE(sc, pg_pri) \ 250255736Sdavidch (pg_pri == DCBX_PFC_PRI_GET_PAUSE((sc), (pg_pri))) 251255736Sdavidch#define IS_DCBX_PFC_PRI_ONLY_NON_PAUSE(sc, pg_pri) \ 252255736Sdavidch ((pg_pri) == DCBX_PFC_PRI_GET_NON_PAUSE((sc), (pg_pri))) 253255736Sdavidch#define IS_DCBX_PFC_PRI_MIX_PAUSE(sc, pg_pri) \ 254255736Sdavidch (!(IS_DCBX_PFC_PRI_ONLY_NON_PAUSE((sc), (pg_pri)) || \ 255255736Sdavidch IS_DCBX_PFC_PRI_ONLY_PAUSE((sc), (pg_pri)))) 256255736Sdavidch 257255736Sdavidchstruct pg_entry_help_data { 258255736Sdavidch uint8_t num_of_dif_pri; 259255736Sdavidch uint8_t pg; 260255736Sdavidch uint32_t pg_priority; 261255736Sdavidch}; 262255736Sdavidch 263255736Sdavidchstruct pg_help_data { 264255736Sdavidch struct pg_entry_help_data data[LLFC_DRIVER_TRAFFIC_TYPE_MAX]; 265255736Sdavidch uint8_t num_of_pg; 266255736Sdavidch}; 267255736Sdavidch 268255736Sdavidch/* forward DCB/PFC related declarations */ 269255736Sdavidchstruct bxe_softc; 270255736Sdavidch/* void bxe_dcbx_update(struct work_struct *work); */ 271255736Sdavidchvoid bxe_dcbx_init_params(struct bxe_softc *sc); 272255736Sdavidchvoid bxe_dcbx_set_state(struct bxe_softc *sc, uint8_t dcb_on, uint32_t dcbx_enabled); 273255736Sdavidchint bxe_dcb_get_lldp_params_ioctl(struct bxe_softc *sc, void *uaddr); 274255736Sdavidchint bxe_dcb_get_dcbx_params_ioctl(struct bxe_softc *sc, void *uaddr); 275255736Sdavidchint bxe_dcb_set_dcbx_params_ioctl(struct bxe_softc *sc, void *uaddr); 276255736Sdavidch 277255736Sdavidchenum { 278255736Sdavidch BXE_DCBX_STATE_NEG_RECEIVED = 0x1, 279255736Sdavidch BXE_DCBX_STATE_TX_PAUSED, 280255736Sdavidch BXE_DCBX_STATE_TX_RELEASED 281255736Sdavidch}; 282255736Sdavidch 283255736Sdavidchvoid bxe_dcbx_set_params(struct bxe_softc *sc, uint32_t state); 284255736Sdavidchvoid bxe_dcbx_pmf_update(struct bxe_softc *sc); 285255736Sdavidch 286255736Sdavidch#endif /* BXE_DCB_H */ 287255736Sdavidch 288