2 * Copyright (c) 2007-2014 QLogic Corporation. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS'
15 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
18 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
19 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
20 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
21 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
22 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
23 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
24 * THE POSSIBILITY OF SUCH DAMAGE.
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
33 #define LLFC_DRIVER_TRAFFIC_TYPE_MAX 3 /* NW, iSCSI, FCoE */
34 struct bxe_dcbx_app_params {
36 uint32_t traffic_type_priority[LLFC_DRIVER_TRAFFIC_TYPE_MAX];
39 #define DCBX_COS_MAX_NUM_E2 DCBX_E2E3_MAX_NUM_COS
40 /* bxe currently limits numbers of supported COSes to 3 to be extended to 6 */
41 #define BXE_MAX_COS_SUPPORT 3
42 #define DCBX_COS_MAX_NUM_E3B0 BXE_MAX_COS_SUPPORT
43 #define DCBX_COS_MAX_NUM BXE_MAX_COS_SUPPORT
45 struct bxe_dcbx_cos_params {
49 * strict priority: valid values are 0..5; 0 is highest priority.
50 * There can't be two COSes with the same priority.
53 #define BXE_DCBX_STRICT_INVALID DCBX_COS_MAX_NUM
54 #define BXE_DCBX_STRICT_COS_HIGHEST 0
55 #define BXE_DCBX_STRICT_COS_NEXT_LOWER_PRI(sp) ((sp) + 1)
59 struct bxe_dcbx_pg_params {
61 uint8_t num_of_cos; /* valid COS entries */
62 struct bxe_dcbx_cos_params cos_params[DCBX_COS_MAX_NUM];
65 struct bxe_dcbx_pfc_params {
67 uint32_t priority_non_pauseable_mask;
70 struct bxe_dcbx_port_params {
71 struct bxe_dcbx_pfc_params pfc;
72 struct bxe_dcbx_pg_params ets;
73 struct bxe_dcbx_app_params app;
76 #define BXE_DCBX_CONFIG_INV_VALUE (0xFFFFFFFF)
77 #define BXE_DCBX_OVERWRITE_SETTINGS_DISABLE 0
78 #define BXE_DCBX_OVERWRITE_SETTINGS_ENABLE 1
79 #define BXE_DCBX_OVERWRITE_SETTINGS_INVALID (BXE_DCBX_CONFIG_INV_VALUE)
80 #define BXE_IS_ETS_ENABLED(sc) \
81 ((sc)->dcb_state == BXE_DCB_STATE_ON && \
82 (sc)->dcbx_port_params.ets.enabled)
84 struct bxe_config_lldp_params {
85 uint32_t overwrite_settings;
88 uint32_t tx_credit_max;
89 uint32_t msg_tx_interval;
93 struct bxe_lldp_params_get {
95 #define LLDP_PARAMS_VER_NUM 2
96 struct bxe_config_lldp_params config_lldp_params;
97 /* The reserved field should follow in case the struct above will increase*/
98 uint32_t _reserved[20];
99 uint32_t admin_status;
100 #define LLDP_TX_ONLY 0x01
101 #define LLDP_RX_ONLY 0x02
102 #define LLDP_TX_RX 0x03
103 #define LLDP_DISABLED 0x04
104 uint32_t remote_chassis_id[REM_CHASSIS_ID_STAT_LEN];
105 uint32_t remote_port_id[REM_PORT_ID_STAT_LEN];
106 uint32_t local_chassis_id[LOCAL_CHASSIS_ID_STAT_LEN];
107 uint32_t local_port_id[LOCAL_PORT_ID_STAT_LEN];
110 struct bxe_admin_priority_app_table {
113 #define INVALID_TRAFFIC_TYPE_PRIORITY (0xFFFFFFFF)
114 uint32_t traffic_type;
115 #define TRAFFIC_TYPE_ETH 0
116 #define TRAFFIC_TYPE_PORT 1
120 #define DCBX_CONFIG_MAX_APP_PROTOCOL 4
121 struct bxe_config_dcbx_params {
122 uint32_t overwrite_settings;
123 uint32_t admin_dcbx_version;
124 uint32_t admin_ets_enable;
125 uint32_t admin_pfc_enable;
126 uint32_t admin_tc_supported_tx_enable;
127 uint32_t admin_ets_configuration_tx_enable;
128 uint32_t admin_ets_recommendation_tx_enable;
129 uint32_t admin_pfc_tx_enable;
130 uint32_t admin_application_priority_tx_enable;
131 uint32_t admin_ets_willing;
132 uint32_t admin_ets_reco_valid;
133 uint32_t admin_pfc_willing;
134 uint32_t admin_app_priority_willing;
135 uint32_t admin_configuration_bw_precentage[8];
136 uint32_t admin_configuration_ets_pg[8];
137 uint32_t admin_recommendation_bw_precentage[8];
138 uint32_t admin_recommendation_ets_pg[8];
139 uint32_t admin_pfc_bitmap;
140 struct bxe_admin_priority_app_table
141 admin_priority_app_table[DCBX_CONFIG_MAX_APP_PROTOCOL];
142 uint32_t admin_default_priority;
145 //#define DCBX_PARAMS_VER_NUM 3 /* XXX conflict with common_uif.h */
146 struct bxe_dcbx_params_get {
149 uint32_t dcbx_enabled;
150 struct bxe_config_dcbx_params config_dcbx_params;
151 /* The reserved field should follow in case the struct above will increase*/
152 uint32_t _reserved[19];
154 uint32_t dcb_current_state;
155 #define BXE_DCBX_CURRENT_STATE_IS_SYNC (1 << 0)
156 #define BXE_PFC_IS_CURRENTLY_OPERATIONAL (1 << 1)
157 #define BXE_ETS_IS_CURRENTLY_OPERATIONAL (1 << 2)
158 #define BXE_PRIORITY_TAGGING_IS_CURRENTLY_OPERATIONAL (1 << 3)
160 uint32_t local_tc_supported;
161 uint32_t local_pfc_caps;
162 uint32_t remote_tc_supported;
163 uint32_t remote_pfc_cap;
164 uint32_t remote_ets_willing;
165 uint32_t remote_ets_reco_valid;
166 uint32_t remote_pfc_willing;
167 uint32_t remote_app_priority_willing;
168 uint32_t remote_configuration_bw_precentage[8];
169 uint32_t remote_configuration_ets_pg[8];
170 uint32_t remote_recommendation_bw_precentage[8];
171 uint32_t remote_recommendation_ets_pg[8];
172 uint32_t remote_pfc_bitmap;
173 struct bxe_admin_priority_app_table
174 remote_priority_app_table[DCBX_MAX_APP_PROTOCOL];
175 uint32_t local_ets_enable;
176 uint32_t local_pfc_enable;
177 uint32_t local_configuration_bw_precentage[8];
178 uint32_t local_configuration_ets_pg[8];
179 uint32_t local_pfc_bitmap;
180 struct bxe_admin_priority_app_table
181 local_priority_app_table[DCBX_MAX_APP_PROTOCOL];
182 uint32_t pfc_mismatch;
183 uint32_t priority_app_mismatch;
184 uint32_t dcbx_frames_sent;
185 uint32_t dcbx_frames_received;
186 uint32_t pfc_frames_sent[2];
187 uint32_t pfc_frames_received[2];
190 struct bxe_dcbx_params_set {
193 uint32_t dcbx_enabled;
194 struct bxe_config_dcbx_params config_dcbx_params;
197 #define GET_FLAGS(flags, bits) ((flags) & (bits))
198 #define SET_FLAGS(flags, bits) ((flags) |= (bits))
199 #define RESET_FLAGS(flags, bits) ((flags) &= ~(bits))
206 #define ETH_TYPE_FCOE (0x8906)
207 #define TCP_PORT_ISCSI (0xCBC)
209 #define PFC_VALUE_FRAME_SIZE (512)
210 #define PFC_QUANTA_IN_NANOSEC_FROM_SPEED_MEGA(mega_speed) \
211 ((1000 * PFC_VALUE_FRAME_SIZE)/(mega_speed))
213 #define PFC_BRB1_REG_HIGH_LLFC_LOW_THRESHOLD 130
214 #define PFC_BRB1_REG_HIGH_LLFC_HIGH_THRESHOLD 170
216 struct cos_entry_help_data {
217 uint32_t pri_join_mask;
223 struct cos_help_data {
224 struct cos_entry_help_data data[DCBX_COS_MAX_NUM];
228 #define DCBX_ILLEGAL_PG (0xFF)
229 #define DCBX_PFC_PRI_MASK (0xFF)
230 #define DCBX_STRICT_PRIORITY (15)
231 #define DCBX_INVALID_COS_BW (0xFFFFFFFF)
232 #define DCBX_PFC_PRI_NON_PAUSE_MASK(sc) \
233 ((sc)->dcbx_port_params.pfc.priority_non_pauseable_mask)
234 #define DCBX_PFC_PRI_PAUSE_MASK(sc) \
235 ((uint8_t)~DCBX_PFC_PRI_NON_PAUSE_MASK(sc))
236 #define DCBX_PFC_PRI_GET_PAUSE(sc, pg_pri) \
237 ((pg_pri) & (DCBX_PFC_PRI_PAUSE_MASK(sc)))
238 #define DCBX_PFC_PRI_GET_NON_PAUSE(sc, pg_pri) \
239 (DCBX_PFC_PRI_NON_PAUSE_MASK(sc) & (pg_pri))
240 #define DCBX_IS_PFC_PRI_SOME_PAUSE(sc, pg_pri) \
241 (0 != DCBX_PFC_PRI_GET_PAUSE(sc, pg_pri))
242 #define IS_DCBX_PFC_PRI_ONLY_PAUSE(sc, pg_pri) \
243 (pg_pri == DCBX_PFC_PRI_GET_PAUSE((sc), (pg_pri)))
244 #define IS_DCBX_PFC_PRI_ONLY_NON_PAUSE(sc, pg_pri) \
245 ((pg_pri) == DCBX_PFC_PRI_GET_NON_PAUSE((sc), (pg_pri)))
246 #define IS_DCBX_PFC_PRI_MIX_PAUSE(sc, pg_pri) \
247 (!(IS_DCBX_PFC_PRI_ONLY_NON_PAUSE((sc), (pg_pri)) || \
248 IS_DCBX_PFC_PRI_ONLY_PAUSE((sc), (pg_pri))))
250 struct pg_entry_help_data {
251 uint8_t num_of_dif_pri;
253 uint32_t pg_priority;
256 struct pg_help_data {
257 struct pg_entry_help_data data[LLFC_DRIVER_TRAFFIC_TYPE_MAX];
261 /* forward DCB/PFC related declarations */
263 /* void bxe_dcbx_update(struct work_struct *work); */
264 void bxe_dcbx_init_params(struct bxe_softc *sc);
265 void bxe_dcbx_set_state(struct bxe_softc *sc, uint8_t dcb_on, uint32_t dcbx_enabled);
266 int bxe_dcb_get_lldp_params_ioctl(struct bxe_softc *sc, void *uaddr);
267 int bxe_dcb_get_dcbx_params_ioctl(struct bxe_softc *sc, void *uaddr);
268 int bxe_dcb_set_dcbx_params_ioctl(struct bxe_softc *sc, void *uaddr);
271 BXE_DCBX_STATE_NEG_RECEIVED = 0x1,
272 BXE_DCBX_STATE_TX_PAUSED,
273 BXE_DCBX_STATE_TX_RELEASED
276 void bxe_dcbx_set_params(struct bxe_softc *sc, uint32_t state);
277 void bxe_dcbx_pmf_update(struct bxe_softc *sc);
279 #endif /* BXE_DCB_H */