Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 1 | /* |
| 2 | * QLogic qlcnic NIC Driver |
| 3 | * Copyright (c) 2009-2013 QLogic Corporation |
| 4 | * |
| 5 | * See LICENSE.qlcnic for copyright and licensing details. |
| 6 | */ |
| 7 | |
Sucheta Chakraborty | fb859ed | 2013-08-23 13:38:26 -0400 | [diff] [blame] | 8 | #include <linux/types.h> |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 9 | #include "qlcnic.h" |
| 10 | |
Sucheta Chakraborty | fb859ed | 2013-08-23 13:38:26 -0400 | [diff] [blame] | 11 | #define QLC_DCB_NUM_PARAM 3 |
Sucheta Chakraborty | 48365e4 | 2013-08-23 13:38:28 -0400 | [diff] [blame] | 12 | #define QLC_DCB_LOCAL_IDX 0 |
| 13 | #define QLC_DCB_OPER_IDX 1 |
| 14 | #define QLC_DCB_PEER_IDX 2 |
| 15 | |
| 16 | #define QLC_DCB_GET_MAP(V) (1 << V) |
Sucheta Chakraborty | fb859ed | 2013-08-23 13:38:26 -0400 | [diff] [blame] | 17 | |
| 18 | #define QLC_DCB_FW_VER 0x2 |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 19 | #define QLC_DCB_MAX_TC 0x8 |
Sucheta Chakraborty | fb859ed | 2013-08-23 13:38:26 -0400 | [diff] [blame] | 20 | #define QLC_DCB_MAX_APP 0x8 |
Sucheta Chakraborty | 48365e4 | 2013-08-23 13:38:28 -0400 | [diff] [blame] | 21 | #define QLC_DCB_MAX_PRIO QLC_DCB_MAX_TC |
| 22 | #define QLC_DCB_MAX_PG QLC_DCB_MAX_TC |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 23 | |
| 24 | #define QLC_DCB_TSA_SUPPORT(V) (V & 0x1) |
| 25 | #define QLC_DCB_ETS_SUPPORT(V) ((V >> 1) & 0x1) |
| 26 | #define QLC_DCB_VERSION_SUPPORT(V) ((V >> 2) & 0xf) |
| 27 | #define QLC_DCB_MAX_NUM_TC(V) ((V >> 20) & 0xf) |
| 28 | #define QLC_DCB_MAX_NUM_ETS_TC(V) ((V >> 24) & 0xf) |
| 29 | #define QLC_DCB_MAX_NUM_PFC_TC(V) ((V >> 28) & 0xf) |
Sucheta Chakraborty | fb859ed | 2013-08-23 13:38:26 -0400 | [diff] [blame] | 30 | #define QLC_DCB_GET_TC_PRIO(X, P) ((X >> (P * 3)) & 0x7) |
| 31 | #define QLC_DCB_GET_PGID_PRIO(X, P) ((X >> (P * 8)) & 0xff) |
| 32 | #define QLC_DCB_GET_BWPER_PG(X, P) ((X >> (P * 8)) & 0xff) |
| 33 | #define QLC_DCB_GET_TSA_PG(X, P) ((X >> (P * 8)) & 0xff) |
| 34 | #define QLC_DCB_GET_PFC_PRIO(X, P) (((X >> 24) >> P) & 0x1) |
| 35 | #define QLC_DCB_GET_PROTO_ID_APP(X) ((X >> 8) & 0xffff) |
| 36 | #define QLC_DCB_GET_SELECTOR_APP(X) (X & 0xff) |
| 37 | |
| 38 | #define QLC_DCB_LOCAL_PARAM_FWID 0x3 |
| 39 | #define QLC_DCB_OPER_PARAM_FWID 0x1 |
| 40 | #define QLC_DCB_PEER_PARAM_FWID 0x2 |
| 41 | |
| 42 | #define QLC_83XX_DCB_GET_NUMAPP(X) ((X >> 2) & 0xf) |
| 43 | #define QLC_83XX_DCB_TSA_VALID(X) (X & 0x1) |
| 44 | #define QLC_83XX_DCB_PFC_VALID(X) ((X >> 1) & 0x1) |
| 45 | #define QLC_83XX_DCB_GET_PRIOMAP_APP(X) (X >> 24) |
| 46 | |
| 47 | #define QLC_82XX_DCB_GET_NUMAPP(X) ((X >> 12) & 0xf) |
| 48 | #define QLC_82XX_DCB_TSA_VALID(X) ((X >> 4) & 0x1) |
| 49 | #define QLC_82XX_DCB_PFC_VALID(X) ((X >> 5) & 0x1) |
| 50 | #define QLC_82XX_DCB_GET_PRIOVAL_APP(X) ((X >> 24) & 0x7) |
| 51 | #define QLC_82XX_DCB_GET_PRIOMAP_APP(X) (1 << X) |
| 52 | #define QLC_82XX_DCB_PRIO_TC_MAP (0x76543210) |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 53 | |
Sucheta Chakraborty | 48365e4 | 2013-08-23 13:38:28 -0400 | [diff] [blame] | 54 | static const struct dcbnl_rtnl_ops qlcnic_dcbnl_ops; |
Sucheta Chakraborty | 2d8ebca | 2013-08-23 13:38:27 -0400 | [diff] [blame] | 55 | |
Sucheta Chakraborty | 48365e4 | 2013-08-23 13:38:28 -0400 | [diff] [blame] | 56 | static void qlcnic_dcb_aen_work(struct work_struct *); |
| 57 | static void qlcnic_dcb_data_cee_param_map(struct qlcnic_adapter *); |
| 58 | |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 59 | static inline void __qlcnic_init_dcbnl_ops(struct qlcnic_dcb *); |
| 60 | static void __qlcnic_dcb_free(struct qlcnic_dcb *); |
| 61 | static int __qlcnic_dcb_attach(struct qlcnic_dcb *); |
| 62 | static int __qlcnic_dcb_query_hw_capability(struct qlcnic_dcb *, char *); |
| 63 | static void __qlcnic_dcb_get_info(struct qlcnic_dcb *); |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 64 | |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 65 | static int qlcnic_82xx_dcb_get_hw_capability(struct qlcnic_dcb *); |
| 66 | static int qlcnic_82xx_dcb_query_cee_param(struct qlcnic_dcb *, char *, u8); |
| 67 | static int qlcnic_82xx_dcb_get_cee_cfg(struct qlcnic_dcb *); |
| 68 | static void qlcnic_82xx_dcb_aen_handler(struct qlcnic_dcb *, void *); |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 69 | |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 70 | static int qlcnic_83xx_dcb_get_hw_capability(struct qlcnic_dcb *); |
| 71 | static int qlcnic_83xx_dcb_query_cee_param(struct qlcnic_dcb *, char *, u8); |
| 72 | static int qlcnic_83xx_dcb_get_cee_cfg(struct qlcnic_dcb *); |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 73 | static void qlcnic_83xx_dcb_aen_handler(struct qlcnic_dcb *, void *); |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 74 | |
| 75 | struct qlcnic_dcb_capability { |
| 76 | bool tsa_capability; |
| 77 | bool ets_capability; |
| 78 | u8 max_num_tc; |
| 79 | u8 max_ets_tc; |
| 80 | u8 max_pfc_tc; |
| 81 | u8 dcb_capability; |
| 82 | }; |
| 83 | |
Sucheta Chakraborty | fb859ed | 2013-08-23 13:38:26 -0400 | [diff] [blame] | 84 | struct qlcnic_dcb_param { |
| 85 | u32 hdr_prio_pfc_map[2]; |
| 86 | u32 prio_pg_map[2]; |
| 87 | u32 pg_bw_map[2]; |
| 88 | u32 pg_tsa_map[2]; |
| 89 | u32 app[QLC_DCB_MAX_APP]; |
| 90 | }; |
| 91 | |
| 92 | struct qlcnic_dcb_mbx_params { |
| 93 | /* 1st local, 2nd operational 3rd remote */ |
| 94 | struct qlcnic_dcb_param type[3]; |
| 95 | u32 prio_tc_map; |
| 96 | }; |
| 97 | |
| 98 | struct qlcnic_82xx_dcb_param_mbx_le { |
| 99 | __le32 hdr_prio_pfc_map[2]; |
| 100 | __le32 prio_pg_map[2]; |
| 101 | __le32 pg_bw_map[2]; |
| 102 | __le32 pg_tsa_map[2]; |
| 103 | __le32 app[QLC_DCB_MAX_APP]; |
| 104 | }; |
| 105 | |
Sucheta Chakraborty | 48365e4 | 2013-08-23 13:38:28 -0400 | [diff] [blame] | 106 | enum qlcnic_dcb_selector { |
| 107 | QLC_SELECTOR_DEF = 0x0, |
| 108 | QLC_SELECTOR_ETHER, |
| 109 | QLC_SELECTOR_TCP, |
| 110 | QLC_SELECTOR_UDP, |
| 111 | }; |
| 112 | |
| 113 | enum qlcnic_dcb_prio_type { |
| 114 | QLC_PRIO_NONE = 0, |
| 115 | QLC_PRIO_GROUP, |
| 116 | QLC_PRIO_LINK, |
| 117 | }; |
| 118 | |
| 119 | enum qlcnic_dcb_pfc_type { |
| 120 | QLC_PFC_DISABLED = 0, |
| 121 | QLC_PFC_FULL, |
| 122 | QLC_PFC_TX, |
| 123 | QLC_PFC_RX |
| 124 | }; |
| 125 | |
| 126 | struct qlcnic_dcb_prio_cfg { |
| 127 | bool valid; |
| 128 | enum qlcnic_dcb_pfc_type pfc_type; |
| 129 | }; |
| 130 | |
| 131 | struct qlcnic_dcb_pg_cfg { |
| 132 | bool valid; |
| 133 | u8 total_bw_percent; /* of Link/ port BW */ |
| 134 | u8 prio_count; |
| 135 | u8 tsa_type; |
| 136 | }; |
| 137 | |
| 138 | struct qlcnic_dcb_tc_cfg { |
| 139 | bool valid; |
| 140 | struct qlcnic_dcb_prio_cfg prio_cfg[QLC_DCB_MAX_PRIO]; |
| 141 | enum qlcnic_dcb_prio_type prio_type; /* always prio_link */ |
| 142 | u8 link_percent; /* % of link bandwidth */ |
| 143 | u8 bwg_percent; /* % of BWG's bandwidth */ |
| 144 | u8 up_tc_map; |
| 145 | u8 pgid; |
| 146 | }; |
| 147 | |
| 148 | struct qlcnic_dcb_app { |
| 149 | bool valid; |
| 150 | enum qlcnic_dcb_selector selector; |
| 151 | u16 protocol; |
| 152 | u8 priority; |
| 153 | }; |
| 154 | |
| 155 | struct qlcnic_dcb_cee { |
| 156 | struct qlcnic_dcb_tc_cfg tc_cfg[QLC_DCB_MAX_TC]; |
| 157 | struct qlcnic_dcb_pg_cfg pg_cfg[QLC_DCB_MAX_PG]; |
| 158 | struct qlcnic_dcb_app app[QLC_DCB_MAX_APP]; |
| 159 | bool tc_param_valid; |
| 160 | bool pfc_mode_enable; |
| 161 | }; |
| 162 | |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 163 | struct qlcnic_dcb_cfg { |
Sucheta Chakraborty | 48365e4 | 2013-08-23 13:38:28 -0400 | [diff] [blame] | 164 | /* 0 - local, 1 - operational, 2 - remote */ |
| 165 | struct qlcnic_dcb_cee type[QLC_DCB_NUM_PARAM]; |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 166 | struct qlcnic_dcb_capability capability; |
| 167 | u32 version; |
| 168 | }; |
| 169 | |
| 170 | static struct qlcnic_dcb_ops qlcnic_83xx_dcb_ops = { |
Sucheta Chakraborty | 48365e4 | 2013-08-23 13:38:28 -0400 | [diff] [blame] | 171 | .init_dcbnl_ops = __qlcnic_init_dcbnl_ops, |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 172 | .free = __qlcnic_dcb_free, |
| 173 | .attach = __qlcnic_dcb_attach, |
| 174 | .query_hw_capability = __qlcnic_dcb_query_hw_capability, |
| 175 | .get_info = __qlcnic_dcb_get_info, |
| 176 | |
| 177 | .get_hw_capability = qlcnic_83xx_dcb_get_hw_capability, |
Sucheta Chakraborty | fb859ed | 2013-08-23 13:38:26 -0400 | [diff] [blame] | 178 | .query_cee_param = qlcnic_83xx_dcb_query_cee_param, |
| 179 | .get_cee_cfg = qlcnic_83xx_dcb_get_cee_cfg, |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 180 | .aen_handler = qlcnic_83xx_dcb_aen_handler, |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 181 | }; |
| 182 | |
| 183 | static struct qlcnic_dcb_ops qlcnic_82xx_dcb_ops = { |
Sucheta Chakraborty | 48365e4 | 2013-08-23 13:38:28 -0400 | [diff] [blame] | 184 | .init_dcbnl_ops = __qlcnic_init_dcbnl_ops, |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 185 | .free = __qlcnic_dcb_free, |
| 186 | .attach = __qlcnic_dcb_attach, |
| 187 | .query_hw_capability = __qlcnic_dcb_query_hw_capability, |
| 188 | .get_info = __qlcnic_dcb_get_info, |
| 189 | |
| 190 | .get_hw_capability = qlcnic_82xx_dcb_get_hw_capability, |
Sucheta Chakraborty | fb859ed | 2013-08-23 13:38:26 -0400 | [diff] [blame] | 191 | .query_cee_param = qlcnic_82xx_dcb_query_cee_param, |
| 192 | .get_cee_cfg = qlcnic_82xx_dcb_get_cee_cfg, |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 193 | .aen_handler = qlcnic_82xx_dcb_aen_handler, |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 194 | }; |
| 195 | |
Sucheta Chakraborty | fb859ed | 2013-08-23 13:38:26 -0400 | [diff] [blame] | 196 | static u8 qlcnic_dcb_get_num_app(struct qlcnic_adapter *adapter, u32 val) |
| 197 | { |
| 198 | if (qlcnic_82xx_check(adapter)) |
| 199 | return QLC_82XX_DCB_GET_NUMAPP(val); |
| 200 | else |
| 201 | return QLC_83XX_DCB_GET_NUMAPP(val); |
| 202 | } |
| 203 | |
Sucheta Chakraborty | 48365e4 | 2013-08-23 13:38:28 -0400 | [diff] [blame] | 204 | static inline u8 qlcnic_dcb_pfc_hdr_valid(struct qlcnic_adapter *adapter, |
| 205 | u32 val) |
| 206 | { |
| 207 | if (qlcnic_82xx_check(adapter)) |
| 208 | return QLC_82XX_DCB_PFC_VALID(val); |
| 209 | else |
| 210 | return QLC_83XX_DCB_PFC_VALID(val); |
| 211 | } |
| 212 | |
| 213 | static inline u8 qlcnic_dcb_tsa_hdr_valid(struct qlcnic_adapter *adapter, |
| 214 | u32 val) |
| 215 | { |
| 216 | if (qlcnic_82xx_check(adapter)) |
| 217 | return QLC_82XX_DCB_TSA_VALID(val); |
| 218 | else |
| 219 | return QLC_83XX_DCB_TSA_VALID(val); |
| 220 | } |
| 221 | |
| 222 | static inline u8 qlcnic_dcb_get_prio_map_app(struct qlcnic_adapter *adapter, |
| 223 | u32 val) |
| 224 | { |
| 225 | if (qlcnic_82xx_check(adapter)) |
| 226 | return QLC_82XX_DCB_GET_PRIOMAP_APP(val); |
| 227 | else |
| 228 | return QLC_83XX_DCB_GET_PRIOMAP_APP(val); |
| 229 | } |
| 230 | |
| 231 | static int qlcnic_dcb_prio_count(u8 up_tc_map) |
| 232 | { |
| 233 | int j; |
| 234 | |
| 235 | for (j = 0; j < QLC_DCB_MAX_TC; j++) |
| 236 | if (up_tc_map & QLC_DCB_GET_MAP(j)) |
| 237 | break; |
| 238 | |
| 239 | return j; |
| 240 | } |
| 241 | |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 242 | static inline void __qlcnic_init_dcbnl_ops(struct qlcnic_dcb *dcb) |
Sucheta Chakraborty | 48365e4 | 2013-08-23 13:38:28 -0400 | [diff] [blame] | 243 | { |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 244 | if (test_bit(QLCNIC_DCB_STATE, &dcb->state)) |
| 245 | dcb->adapter->netdev->dcbnl_ops = &qlcnic_dcbnl_ops; |
Sucheta Chakraborty | 48365e4 | 2013-08-23 13:38:28 -0400 | [diff] [blame] | 246 | } |
| 247 | |
Sucheta Chakraborty | 0996b7d | 2013-09-03 05:07:37 -0400 | [diff] [blame] | 248 | static void qlcnic_set_dcb_ops(struct qlcnic_adapter *adapter) |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 249 | { |
| 250 | if (qlcnic_82xx_check(adapter)) |
| 251 | adapter->dcb->ops = &qlcnic_82xx_dcb_ops; |
| 252 | else if (qlcnic_83xx_check(adapter)) |
| 253 | adapter->dcb->ops = &qlcnic_83xx_dcb_ops; |
| 254 | } |
| 255 | |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 256 | int qlcnic_register_dcb(struct qlcnic_adapter *adapter) |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 257 | { |
| 258 | struct qlcnic_dcb *dcb; |
| 259 | |
Sucheta Chakraborty | 3c44bba | 2013-12-17 09:01:49 -0500 | [diff] [blame] | 260 | if (qlcnic_sriov_vf_check(adapter)) |
| 261 | return 0; |
| 262 | |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 263 | dcb = kzalloc(sizeof(struct qlcnic_dcb), GFP_ATOMIC); |
| 264 | if (!dcb) |
| 265 | return -ENOMEM; |
| 266 | |
| 267 | adapter->dcb = dcb; |
Sucheta Chakraborty | 2d8ebca | 2013-08-23 13:38:27 -0400 | [diff] [blame] | 268 | dcb->adapter = adapter; |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 269 | qlcnic_set_dcb_ops(adapter); |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 270 | dcb->state = 0; |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 271 | |
| 272 | return 0; |
| 273 | } |
| 274 | |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 275 | static void __qlcnic_dcb_free(struct qlcnic_dcb *dcb) |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 276 | { |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 277 | struct qlcnic_adapter *adapter; |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 278 | |
| 279 | if (!dcb) |
| 280 | return; |
| 281 | |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 282 | adapter = dcb->adapter; |
Sucheta Chakraborty | 2d8ebca | 2013-08-23 13:38:27 -0400 | [diff] [blame] | 283 | |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 284 | while (test_bit(QLCNIC_DCB_AEN_MODE, &dcb->state)) |
Sucheta Chakraborty | 2d8ebca | 2013-08-23 13:38:27 -0400 | [diff] [blame] | 285 | usleep_range(10000, 11000); |
| 286 | |
| 287 | cancel_delayed_work_sync(&dcb->aen_work); |
| 288 | |
| 289 | if (dcb->wq) { |
| 290 | destroy_workqueue(dcb->wq); |
| 291 | dcb->wq = NULL; |
| 292 | } |
| 293 | |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 294 | kfree(dcb->cfg); |
| 295 | dcb->cfg = NULL; |
Sucheta Chakraborty | fb859ed | 2013-08-23 13:38:26 -0400 | [diff] [blame] | 296 | kfree(dcb->param); |
| 297 | dcb->param = NULL; |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 298 | kfree(dcb); |
| 299 | adapter->dcb = NULL; |
| 300 | } |
| 301 | |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 302 | static void __qlcnic_dcb_get_info(struct qlcnic_dcb *dcb) |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 303 | { |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 304 | qlcnic_dcb_get_hw_capability(dcb); |
| 305 | qlcnic_dcb_get_cee_cfg(dcb); |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 306 | } |
| 307 | |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 308 | static int __qlcnic_dcb_attach(struct qlcnic_dcb *dcb) |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 309 | { |
Sucheta Chakraborty | fb859ed | 2013-08-23 13:38:26 -0400 | [diff] [blame] | 310 | int err = 0; |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 311 | |
Sucheta Chakraborty | 2d8ebca | 2013-08-23 13:38:27 -0400 | [diff] [blame] | 312 | INIT_DELAYED_WORK(&dcb->aen_work, qlcnic_dcb_aen_work); |
| 313 | |
| 314 | dcb->wq = create_singlethread_workqueue("qlcnic-dcb"); |
| 315 | if (!dcb->wq) { |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 316 | dev_err(&dcb->adapter->pdev->dev, |
Sucheta Chakraborty | 2d8ebca | 2013-08-23 13:38:27 -0400 | [diff] [blame] | 317 | "DCB workqueue allocation failed. DCB will be disabled\n"); |
| 318 | return -1; |
| 319 | } |
| 320 | |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 321 | dcb->cfg = kzalloc(sizeof(struct qlcnic_dcb_cfg), GFP_ATOMIC); |
Sucheta Chakraborty | 2d8ebca | 2013-08-23 13:38:27 -0400 | [diff] [blame] | 322 | if (!dcb->cfg) { |
| 323 | err = -ENOMEM; |
| 324 | goto out_free_wq; |
| 325 | } |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 326 | |
Sucheta Chakraborty | fb859ed | 2013-08-23 13:38:26 -0400 | [diff] [blame] | 327 | dcb->param = kzalloc(sizeof(struct qlcnic_dcb_mbx_params), GFP_ATOMIC); |
| 328 | if (!dcb->param) { |
| 329 | err = -ENOMEM; |
| 330 | goto out_free_cfg; |
| 331 | } |
| 332 | |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 333 | qlcnic_dcb_get_info(dcb); |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 334 | |
| 335 | return 0; |
Sucheta Chakraborty | fb859ed | 2013-08-23 13:38:26 -0400 | [diff] [blame] | 336 | out_free_cfg: |
| 337 | kfree(dcb->cfg); |
| 338 | dcb->cfg = NULL; |
| 339 | |
Sucheta Chakraborty | 2d8ebca | 2013-08-23 13:38:27 -0400 | [diff] [blame] | 340 | out_free_wq: |
| 341 | destroy_workqueue(dcb->wq); |
| 342 | dcb->wq = NULL; |
| 343 | |
Sucheta Chakraborty | fb859ed | 2013-08-23 13:38:26 -0400 | [diff] [blame] | 344 | return err; |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 345 | } |
| 346 | |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 347 | static int __qlcnic_dcb_query_hw_capability(struct qlcnic_dcb *dcb, char *buf) |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 348 | { |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 349 | struct qlcnic_adapter *adapter = dcb->adapter; |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 350 | struct qlcnic_cmd_args cmd; |
| 351 | u32 mbx_out; |
| 352 | int err; |
| 353 | |
| 354 | err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DCB_QUERY_CAP); |
| 355 | if (err) |
| 356 | return err; |
| 357 | |
| 358 | err = qlcnic_issue_cmd(adapter, &cmd); |
| 359 | if (err) { |
| 360 | dev_err(&adapter->pdev->dev, |
| 361 | "Failed to query DCBX capability, err %d\n", err); |
| 362 | } else { |
| 363 | mbx_out = cmd.rsp.arg[1]; |
| 364 | if (buf) |
| 365 | memcpy(buf, &mbx_out, sizeof(u32)); |
| 366 | } |
| 367 | |
| 368 | qlcnic_free_mbx_args(&cmd); |
| 369 | |
| 370 | return err; |
| 371 | } |
| 372 | |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 373 | static int __qlcnic_dcb_get_capability(struct qlcnic_dcb *dcb, u32 *val) |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 374 | { |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 375 | struct qlcnic_dcb_capability *cap = &dcb->cfg->capability; |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 376 | u32 mbx_out; |
| 377 | int err; |
| 378 | |
| 379 | memset(cap, 0, sizeof(struct qlcnic_dcb_capability)); |
| 380 | |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 381 | err = qlcnic_dcb_query_hw_capability(dcb, (char *)val); |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 382 | if (err) |
| 383 | return err; |
| 384 | |
| 385 | mbx_out = *val; |
| 386 | if (QLC_DCB_TSA_SUPPORT(mbx_out)) |
| 387 | cap->tsa_capability = true; |
| 388 | |
| 389 | if (QLC_DCB_ETS_SUPPORT(mbx_out)) |
| 390 | cap->ets_capability = true; |
| 391 | |
| 392 | cap->max_num_tc = QLC_DCB_MAX_NUM_TC(mbx_out); |
| 393 | cap->max_ets_tc = QLC_DCB_MAX_NUM_ETS_TC(mbx_out); |
| 394 | cap->max_pfc_tc = QLC_DCB_MAX_NUM_PFC_TC(mbx_out); |
| 395 | |
| 396 | if (cap->max_num_tc > QLC_DCB_MAX_TC || |
| 397 | cap->max_ets_tc > cap->max_num_tc || |
| 398 | cap->max_pfc_tc > cap->max_num_tc) { |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 399 | dev_err(&dcb->adapter->pdev->dev, "Invalid DCB configuration\n"); |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 400 | return -EINVAL; |
| 401 | } |
| 402 | |
| 403 | return err; |
| 404 | } |
| 405 | |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 406 | static int qlcnic_82xx_dcb_get_hw_capability(struct qlcnic_dcb *dcb) |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 407 | { |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 408 | struct qlcnic_dcb_cfg *cfg = dcb->cfg; |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 409 | struct qlcnic_dcb_capability *cap; |
| 410 | u32 mbx_out; |
| 411 | int err; |
| 412 | |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 413 | err = __qlcnic_dcb_get_capability(dcb, &mbx_out); |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 414 | if (err) |
| 415 | return err; |
| 416 | |
| 417 | cap = &cfg->capability; |
| 418 | cap->dcb_capability = DCB_CAP_DCBX_VER_CEE | DCB_CAP_DCBX_LLD_MANAGED; |
| 419 | |
| 420 | if (cap->dcb_capability && cap->tsa_capability && cap->ets_capability) |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 421 | set_bit(QLCNIC_DCB_STATE, &dcb->state); |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 422 | |
| 423 | return err; |
| 424 | } |
| 425 | |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 426 | static int qlcnic_82xx_dcb_query_cee_param(struct qlcnic_dcb *dcb, |
Sucheta Chakraborty | fb859ed | 2013-08-23 13:38:26 -0400 | [diff] [blame] | 427 | char *buf, u8 type) |
| 428 | { |
| 429 | u16 size = sizeof(struct qlcnic_82xx_dcb_param_mbx_le); |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 430 | struct qlcnic_adapter *adapter = dcb->adapter; |
Sucheta Chakraborty | fb859ed | 2013-08-23 13:38:26 -0400 | [diff] [blame] | 431 | struct qlcnic_82xx_dcb_param_mbx_le *prsp_le; |
| 432 | struct device *dev = &adapter->pdev->dev; |
| 433 | dma_addr_t cardrsp_phys_addr; |
| 434 | struct qlcnic_dcb_param rsp; |
| 435 | struct qlcnic_cmd_args cmd; |
| 436 | u64 phys_addr; |
| 437 | void *addr; |
| 438 | int err, i; |
| 439 | |
| 440 | switch (type) { |
| 441 | case QLC_DCB_LOCAL_PARAM_FWID: |
| 442 | case QLC_DCB_OPER_PARAM_FWID: |
| 443 | case QLC_DCB_PEER_PARAM_FWID: |
| 444 | break; |
| 445 | default: |
| 446 | dev_err(dev, "Invalid parameter type %d\n", type); |
| 447 | return -EINVAL; |
| 448 | } |
| 449 | |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 450 | addr = dma_alloc_coherent(dev, size, &cardrsp_phys_addr, GFP_KERNEL); |
Sucheta Chakraborty | fb859ed | 2013-08-23 13:38:26 -0400 | [diff] [blame] | 451 | if (addr == NULL) |
| 452 | return -ENOMEM; |
| 453 | |
| 454 | prsp_le = addr; |
| 455 | |
| 456 | err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DCB_QUERY_PARAM); |
| 457 | if (err) |
| 458 | goto out_free_rsp; |
| 459 | |
| 460 | phys_addr = cardrsp_phys_addr; |
| 461 | cmd.req.arg[1] = size | (type << 16); |
| 462 | cmd.req.arg[2] = MSD(phys_addr); |
| 463 | cmd.req.arg[3] = LSD(phys_addr); |
| 464 | |
| 465 | err = qlcnic_issue_cmd(adapter, &cmd); |
| 466 | if (err) { |
| 467 | dev_err(dev, "Failed to query DCBX parameter, err %d\n", err); |
| 468 | goto out; |
| 469 | } |
| 470 | |
| 471 | memset(&rsp, 0, sizeof(struct qlcnic_dcb_param)); |
| 472 | rsp.hdr_prio_pfc_map[0] = le32_to_cpu(prsp_le->hdr_prio_pfc_map[0]); |
| 473 | rsp.hdr_prio_pfc_map[1] = le32_to_cpu(prsp_le->hdr_prio_pfc_map[1]); |
| 474 | rsp.prio_pg_map[0] = le32_to_cpu(prsp_le->prio_pg_map[0]); |
| 475 | rsp.prio_pg_map[1] = le32_to_cpu(prsp_le->prio_pg_map[1]); |
| 476 | rsp.pg_bw_map[0] = le32_to_cpu(prsp_le->pg_bw_map[0]); |
| 477 | rsp.pg_bw_map[1] = le32_to_cpu(prsp_le->pg_bw_map[1]); |
| 478 | rsp.pg_tsa_map[0] = le32_to_cpu(prsp_le->pg_tsa_map[0]); |
| 479 | rsp.pg_tsa_map[1] = le32_to_cpu(prsp_le->pg_tsa_map[1]); |
| 480 | |
| 481 | for (i = 0; i < QLC_DCB_MAX_APP; i++) |
| 482 | rsp.app[i] = le32_to_cpu(prsp_le->app[i]); |
| 483 | |
| 484 | if (buf) |
| 485 | memcpy(buf, &rsp, size); |
| 486 | out: |
| 487 | qlcnic_free_mbx_args(&cmd); |
| 488 | |
| 489 | out_free_rsp: |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 490 | dma_free_coherent(dev, size, addr, cardrsp_phys_addr); |
Sucheta Chakraborty | fb859ed | 2013-08-23 13:38:26 -0400 | [diff] [blame] | 491 | |
| 492 | return err; |
| 493 | } |
| 494 | |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 495 | static int qlcnic_82xx_dcb_get_cee_cfg(struct qlcnic_dcb *dcb) |
Sucheta Chakraborty | fb859ed | 2013-08-23 13:38:26 -0400 | [diff] [blame] | 496 | { |
| 497 | struct qlcnic_dcb_mbx_params *mbx; |
| 498 | int err; |
| 499 | |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 500 | mbx = dcb->param; |
Sucheta Chakraborty | fb859ed | 2013-08-23 13:38:26 -0400 | [diff] [blame] | 501 | if (!mbx) |
| 502 | return 0; |
| 503 | |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 504 | err = qlcnic_dcb_query_cee_param(dcb, (char *)&mbx->type[0], |
Sucheta Chakraborty | fb859ed | 2013-08-23 13:38:26 -0400 | [diff] [blame] | 505 | QLC_DCB_LOCAL_PARAM_FWID); |
| 506 | if (err) |
| 507 | return err; |
| 508 | |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 509 | err = qlcnic_dcb_query_cee_param(dcb, (char *)&mbx->type[1], |
Sucheta Chakraborty | fb859ed | 2013-08-23 13:38:26 -0400 | [diff] [blame] | 510 | QLC_DCB_OPER_PARAM_FWID); |
| 511 | if (err) |
| 512 | return err; |
| 513 | |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 514 | err = qlcnic_dcb_query_cee_param(dcb, (char *)&mbx->type[2], |
Sucheta Chakraborty | fb859ed | 2013-08-23 13:38:26 -0400 | [diff] [blame] | 515 | QLC_DCB_PEER_PARAM_FWID); |
| 516 | if (err) |
| 517 | return err; |
| 518 | |
| 519 | mbx->prio_tc_map = QLC_82XX_DCB_PRIO_TC_MAP; |
| 520 | |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 521 | qlcnic_dcb_data_cee_param_map(dcb->adapter); |
Sucheta Chakraborty | 48365e4 | 2013-08-23 13:38:28 -0400 | [diff] [blame] | 522 | |
Sucheta Chakraborty | fb859ed | 2013-08-23 13:38:26 -0400 | [diff] [blame] | 523 | return err; |
| 524 | } |
| 525 | |
Sucheta Chakraborty | 2d8ebca | 2013-08-23 13:38:27 -0400 | [diff] [blame] | 526 | static void qlcnic_dcb_aen_work(struct work_struct *work) |
| 527 | { |
Sucheta Chakraborty | 2d8ebca | 2013-08-23 13:38:27 -0400 | [diff] [blame] | 528 | struct qlcnic_dcb *dcb; |
| 529 | |
| 530 | dcb = container_of(work, struct qlcnic_dcb, aen_work.work); |
Sucheta Chakraborty | 2d8ebca | 2013-08-23 13:38:27 -0400 | [diff] [blame] | 531 | |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 532 | qlcnic_dcb_get_cee_cfg(dcb); |
| 533 | clear_bit(QLCNIC_DCB_AEN_MODE, &dcb->state); |
Sucheta Chakraborty | 2d8ebca | 2013-08-23 13:38:27 -0400 | [diff] [blame] | 534 | } |
| 535 | |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 536 | static void qlcnic_82xx_dcb_aen_handler(struct qlcnic_dcb *dcb, void *data) |
Sucheta Chakraborty | 2d8ebca | 2013-08-23 13:38:27 -0400 | [diff] [blame] | 537 | { |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 538 | if (test_and_set_bit(QLCNIC_DCB_AEN_MODE, &dcb->state)) |
Sucheta Chakraborty | 2d8ebca | 2013-08-23 13:38:27 -0400 | [diff] [blame] | 539 | return; |
| 540 | |
| 541 | queue_delayed_work(dcb->wq, &dcb->aen_work, 0); |
| 542 | } |
| 543 | |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 544 | static int qlcnic_83xx_dcb_get_hw_capability(struct qlcnic_dcb *dcb) |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 545 | { |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 546 | struct qlcnic_dcb_capability *cap = &dcb->cfg->capability; |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 547 | u32 mbx_out; |
| 548 | int err; |
| 549 | |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 550 | err = __qlcnic_dcb_get_capability(dcb, &mbx_out); |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 551 | if (err) |
| 552 | return err; |
| 553 | |
| 554 | if (mbx_out & BIT_2) |
| 555 | cap->dcb_capability = DCB_CAP_DCBX_VER_CEE; |
| 556 | if (mbx_out & BIT_3) |
| 557 | cap->dcb_capability |= DCB_CAP_DCBX_VER_IEEE; |
| 558 | if (cap->dcb_capability) |
| 559 | cap->dcb_capability |= DCB_CAP_DCBX_LLD_MANAGED; |
| 560 | |
| 561 | if (cap->dcb_capability && cap->tsa_capability && cap->ets_capability) |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 562 | set_bit(QLCNIC_DCB_STATE, &dcb->state); |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 563 | |
| 564 | return err; |
| 565 | } |
Sucheta Chakraborty | fb859ed | 2013-08-23 13:38:26 -0400 | [diff] [blame] | 566 | |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 567 | static int qlcnic_83xx_dcb_query_cee_param(struct qlcnic_dcb *dcb, |
Sucheta Chakraborty | fb859ed | 2013-08-23 13:38:26 -0400 | [diff] [blame] | 568 | char *buf, u8 idx) |
| 569 | { |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 570 | struct qlcnic_adapter *adapter = dcb->adapter; |
Sucheta Chakraborty | fb859ed | 2013-08-23 13:38:26 -0400 | [diff] [blame] | 571 | struct qlcnic_dcb_mbx_params mbx_out; |
| 572 | int err, i, j, k, max_app, size; |
| 573 | struct qlcnic_dcb_param *each; |
| 574 | struct qlcnic_cmd_args cmd; |
| 575 | u32 val; |
| 576 | char *p; |
| 577 | |
| 578 | size = 0; |
| 579 | memset(&mbx_out, 0, sizeof(struct qlcnic_dcb_mbx_params)); |
| 580 | memset(buf, 0, sizeof(struct qlcnic_dcb_mbx_params)); |
| 581 | |
| 582 | err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DCB_QUERY_PARAM); |
| 583 | if (err) |
| 584 | return err; |
| 585 | |
| 586 | cmd.req.arg[0] |= QLC_DCB_FW_VER << 29; |
| 587 | err = qlcnic_issue_cmd(adapter, &cmd); |
| 588 | if (err) { |
| 589 | dev_err(&adapter->pdev->dev, |
| 590 | "Failed to query DCBX param, err %d\n", err); |
| 591 | goto out; |
| 592 | } |
| 593 | |
| 594 | mbx_out.prio_tc_map = cmd.rsp.arg[1]; |
| 595 | p = memcpy(buf, &mbx_out, sizeof(u32)); |
| 596 | k = 2; |
| 597 | p += sizeof(u32); |
| 598 | |
| 599 | for (j = 0; j < QLC_DCB_NUM_PARAM; j++) { |
| 600 | each = &mbx_out.type[j]; |
| 601 | |
| 602 | each->hdr_prio_pfc_map[0] = cmd.rsp.arg[k++]; |
| 603 | each->hdr_prio_pfc_map[1] = cmd.rsp.arg[k++]; |
| 604 | each->prio_pg_map[0] = cmd.rsp.arg[k++]; |
| 605 | each->prio_pg_map[1] = cmd.rsp.arg[k++]; |
| 606 | each->pg_bw_map[0] = cmd.rsp.arg[k++]; |
| 607 | each->pg_bw_map[1] = cmd.rsp.arg[k++]; |
| 608 | each->pg_tsa_map[0] = cmd.rsp.arg[k++]; |
| 609 | each->pg_tsa_map[1] = cmd.rsp.arg[k++]; |
| 610 | val = each->hdr_prio_pfc_map[0]; |
| 611 | |
| 612 | max_app = qlcnic_dcb_get_num_app(adapter, val); |
| 613 | for (i = 0; i < max_app; i++) |
| 614 | each->app[i] = cmd.rsp.arg[i + k]; |
| 615 | |
| 616 | size = 16 * sizeof(u32); |
| 617 | memcpy(p, &each->hdr_prio_pfc_map[0], size); |
| 618 | p += size; |
| 619 | if (j == 0) |
| 620 | k = 18; |
| 621 | else |
| 622 | k = 34; |
| 623 | } |
| 624 | out: |
| 625 | qlcnic_free_mbx_args(&cmd); |
| 626 | |
| 627 | return err; |
| 628 | } |
| 629 | |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 630 | static int qlcnic_83xx_dcb_get_cee_cfg(struct qlcnic_dcb *dcb) |
Sucheta Chakraborty | fb859ed | 2013-08-23 13:38:26 -0400 | [diff] [blame] | 631 | { |
Sucheta Chakraborty | 48365e4 | 2013-08-23 13:38:28 -0400 | [diff] [blame] | 632 | int err; |
Sucheta Chakraborty | fb859ed | 2013-08-23 13:38:26 -0400 | [diff] [blame] | 633 | |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 634 | err = qlcnic_dcb_query_cee_param(dcb, (char *)dcb->param, 0); |
Sucheta Chakraborty | 48365e4 | 2013-08-23 13:38:28 -0400 | [diff] [blame] | 635 | if (err) |
| 636 | return err; |
| 637 | |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 638 | qlcnic_dcb_data_cee_param_map(dcb->adapter); |
Sucheta Chakraborty | 48365e4 | 2013-08-23 13:38:28 -0400 | [diff] [blame] | 639 | |
| 640 | return err; |
Sucheta Chakraborty | fb859ed | 2013-08-23 13:38:26 -0400 | [diff] [blame] | 641 | } |
Sucheta Chakraborty | 2d8ebca | 2013-08-23 13:38:27 -0400 | [diff] [blame] | 642 | |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 643 | static void qlcnic_83xx_dcb_aen_handler(struct qlcnic_dcb *dcb, void *data) |
Sucheta Chakraborty | 2d8ebca | 2013-08-23 13:38:27 -0400 | [diff] [blame] | 644 | { |
Sucheta Chakraborty | 2d8ebca | 2013-08-23 13:38:27 -0400 | [diff] [blame] | 645 | u32 *val = data; |
| 646 | |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 647 | if (test_and_set_bit(QLCNIC_DCB_AEN_MODE, &dcb->state)) |
Sucheta Chakraborty | 2d8ebca | 2013-08-23 13:38:27 -0400 | [diff] [blame] | 648 | return; |
| 649 | |
| 650 | if (*val & BIT_8) |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 651 | set_bit(QLCNIC_DCB_STATE, &dcb->state); |
Sucheta Chakraborty | 2d8ebca | 2013-08-23 13:38:27 -0400 | [diff] [blame] | 652 | else |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 653 | clear_bit(QLCNIC_DCB_STATE, &dcb->state); |
Sucheta Chakraborty | 2d8ebca | 2013-08-23 13:38:27 -0400 | [diff] [blame] | 654 | |
| 655 | queue_delayed_work(dcb->wq, &dcb->aen_work, 0); |
| 656 | } |
Sucheta Chakraborty | 48365e4 | 2013-08-23 13:38:28 -0400 | [diff] [blame] | 657 | |
| 658 | static void qlcnic_dcb_fill_cee_tc_params(struct qlcnic_dcb_mbx_params *mbx, |
| 659 | struct qlcnic_dcb_param *each, |
| 660 | struct qlcnic_dcb_cee *type) |
| 661 | { |
| 662 | struct qlcnic_dcb_tc_cfg *tc_cfg; |
| 663 | u8 i, tc, pgid; |
| 664 | |
| 665 | for (i = 0; i < QLC_DCB_MAX_PRIO; i++) { |
| 666 | tc = QLC_DCB_GET_TC_PRIO(mbx->prio_tc_map, i); |
| 667 | tc_cfg = &type->tc_cfg[tc]; |
| 668 | tc_cfg->valid = true; |
| 669 | tc_cfg->up_tc_map |= QLC_DCB_GET_MAP(i); |
| 670 | |
| 671 | if (QLC_DCB_GET_PFC_PRIO(each->hdr_prio_pfc_map[1], i) && |
| 672 | type->pfc_mode_enable) { |
| 673 | tc_cfg->prio_cfg[i].valid = true; |
| 674 | tc_cfg->prio_cfg[i].pfc_type = QLC_PFC_FULL; |
| 675 | } |
| 676 | |
| 677 | if (i < 4) |
| 678 | pgid = QLC_DCB_GET_PGID_PRIO(each->prio_pg_map[0], i); |
| 679 | else |
| 680 | pgid = QLC_DCB_GET_PGID_PRIO(each->prio_pg_map[1], i); |
| 681 | |
| 682 | tc_cfg->pgid = pgid; |
| 683 | |
| 684 | tc_cfg->prio_type = QLC_PRIO_LINK; |
| 685 | type->pg_cfg[tc_cfg->pgid].prio_count++; |
| 686 | } |
| 687 | } |
| 688 | |
| 689 | static void qlcnic_dcb_fill_cee_pg_params(struct qlcnic_dcb_param *each, |
| 690 | struct qlcnic_dcb_cee *type) |
| 691 | { |
| 692 | struct qlcnic_dcb_pg_cfg *pg_cfg; |
| 693 | u8 i, tsa, bw_per; |
| 694 | |
| 695 | for (i = 0; i < QLC_DCB_MAX_PG; i++) { |
| 696 | pg_cfg = &type->pg_cfg[i]; |
| 697 | pg_cfg->valid = true; |
| 698 | |
| 699 | if (i < 4) { |
| 700 | bw_per = QLC_DCB_GET_BWPER_PG(each->pg_bw_map[0], i); |
| 701 | tsa = QLC_DCB_GET_TSA_PG(each->pg_tsa_map[0], i); |
| 702 | } else { |
| 703 | bw_per = QLC_DCB_GET_BWPER_PG(each->pg_bw_map[1], i); |
| 704 | tsa = QLC_DCB_GET_TSA_PG(each->pg_tsa_map[1], i); |
| 705 | } |
| 706 | |
| 707 | pg_cfg->total_bw_percent = bw_per; |
| 708 | pg_cfg->tsa_type = tsa; |
| 709 | } |
| 710 | } |
| 711 | |
| 712 | static void |
| 713 | qlcnic_dcb_fill_cee_app_params(struct qlcnic_adapter *adapter, u8 idx, |
| 714 | struct qlcnic_dcb_param *each, |
| 715 | struct qlcnic_dcb_cee *type) |
| 716 | { |
| 717 | struct qlcnic_dcb_app *app; |
| 718 | u8 i, num_app, map, cnt; |
| 719 | struct dcb_app new_app; |
| 720 | |
| 721 | num_app = qlcnic_dcb_get_num_app(adapter, each->hdr_prio_pfc_map[0]); |
| 722 | for (i = 0; i < num_app; i++) { |
| 723 | app = &type->app[i]; |
| 724 | app->valid = true; |
| 725 | |
| 726 | /* Only for CEE (-1) */ |
| 727 | app->selector = QLC_DCB_GET_SELECTOR_APP(each->app[i]) - 1; |
| 728 | new_app.selector = app->selector; |
| 729 | app->protocol = QLC_DCB_GET_PROTO_ID_APP(each->app[i]); |
| 730 | new_app.protocol = app->protocol; |
| 731 | map = qlcnic_dcb_get_prio_map_app(adapter, each->app[i]); |
| 732 | cnt = qlcnic_dcb_prio_count(map); |
| 733 | |
| 734 | if (cnt >= QLC_DCB_MAX_TC) |
| 735 | cnt = 0; |
| 736 | |
| 737 | app->priority = cnt; |
| 738 | new_app.priority = cnt; |
| 739 | |
| 740 | if (idx == QLC_DCB_OPER_IDX && adapter->netdev->dcbnl_ops) |
| 741 | dcb_setapp(adapter->netdev, &new_app); |
| 742 | } |
| 743 | } |
| 744 | |
| 745 | static void qlcnic_dcb_map_cee_params(struct qlcnic_adapter *adapter, u8 idx) |
| 746 | { |
| 747 | struct qlcnic_dcb_mbx_params *mbx = adapter->dcb->param; |
| 748 | struct qlcnic_dcb_param *each = &mbx->type[idx]; |
| 749 | struct qlcnic_dcb_cfg *cfg = adapter->dcb->cfg; |
| 750 | struct qlcnic_dcb_cee *type = &cfg->type[idx]; |
| 751 | |
| 752 | type->tc_param_valid = false; |
| 753 | type->pfc_mode_enable = false; |
| 754 | memset(type->tc_cfg, 0, |
| 755 | sizeof(struct qlcnic_dcb_tc_cfg) * QLC_DCB_MAX_TC); |
| 756 | memset(type->pg_cfg, 0, |
| 757 | sizeof(struct qlcnic_dcb_pg_cfg) * QLC_DCB_MAX_TC); |
| 758 | |
| 759 | if (qlcnic_dcb_pfc_hdr_valid(adapter, each->hdr_prio_pfc_map[0]) && |
| 760 | cfg->capability.max_pfc_tc) |
| 761 | type->pfc_mode_enable = true; |
| 762 | |
| 763 | if (qlcnic_dcb_tsa_hdr_valid(adapter, each->hdr_prio_pfc_map[0]) && |
| 764 | cfg->capability.max_ets_tc) |
| 765 | type->tc_param_valid = true; |
| 766 | |
| 767 | qlcnic_dcb_fill_cee_tc_params(mbx, each, type); |
| 768 | qlcnic_dcb_fill_cee_pg_params(each, type); |
| 769 | qlcnic_dcb_fill_cee_app_params(adapter, idx, each, type); |
| 770 | } |
| 771 | |
| 772 | static void qlcnic_dcb_data_cee_param_map(struct qlcnic_adapter *adapter) |
| 773 | { |
| 774 | int i; |
| 775 | |
| 776 | for (i = 0; i < QLC_DCB_NUM_PARAM; i++) |
| 777 | qlcnic_dcb_map_cee_params(adapter, i); |
| 778 | |
| 779 | dcbnl_cee_notify(adapter->netdev, RTM_GETDCB, DCB_CMD_CEE_GET, 0, 0); |
| 780 | } |
| 781 | |
| 782 | static u8 qlcnic_dcb_get_state(struct net_device *netdev) |
| 783 | { |
| 784 | struct qlcnic_adapter *adapter = netdev_priv(netdev); |
| 785 | |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 786 | return test_bit(QLCNIC_DCB_STATE, &adapter->dcb->state); |
Sucheta Chakraborty | 48365e4 | 2013-08-23 13:38:28 -0400 | [diff] [blame] | 787 | } |
| 788 | |
| 789 | static void qlcnic_dcb_get_perm_hw_addr(struct net_device *netdev, u8 *addr) |
| 790 | { |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 791 | memcpy(addr, netdev->perm_addr, netdev->addr_len); |
Sucheta Chakraborty | 48365e4 | 2013-08-23 13:38:28 -0400 | [diff] [blame] | 792 | } |
| 793 | |
| 794 | static void |
| 795 | qlcnic_dcb_get_pg_tc_cfg_tx(struct net_device *netdev, int tc, u8 *prio, |
| 796 | u8 *pgid, u8 *bw_per, u8 *up_tc_map) |
| 797 | { |
| 798 | struct qlcnic_adapter *adapter = netdev_priv(netdev); |
| 799 | struct qlcnic_dcb_tc_cfg *tc_cfg, *temp; |
| 800 | struct qlcnic_dcb_cee *type; |
| 801 | u8 i, cnt, pg; |
| 802 | |
| 803 | type = &adapter->dcb->cfg->type[QLC_DCB_OPER_IDX]; |
| 804 | *prio = *pgid = *bw_per = *up_tc_map = 0; |
| 805 | |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 806 | if (!test_bit(QLCNIC_DCB_STATE, &adapter->dcb->state) || |
Sucheta Chakraborty | 48365e4 | 2013-08-23 13:38:28 -0400 | [diff] [blame] | 807 | !type->tc_param_valid) |
| 808 | return; |
| 809 | |
Dan Carpenter | e842b06 | 2014-03-01 16:54:36 +0300 | [diff] [blame] | 810 | if (tc < 0 || (tc >= QLC_DCB_MAX_TC)) |
Sucheta Chakraborty | 48365e4 | 2013-08-23 13:38:28 -0400 | [diff] [blame] | 811 | return; |
| 812 | |
| 813 | tc_cfg = &type->tc_cfg[tc]; |
| 814 | if (!tc_cfg->valid) |
| 815 | return; |
| 816 | |
| 817 | *pgid = tc_cfg->pgid; |
| 818 | *prio = tc_cfg->prio_type; |
| 819 | *up_tc_map = tc_cfg->up_tc_map; |
| 820 | pg = *pgid; |
| 821 | |
| 822 | for (i = 0, cnt = 0; i < QLC_DCB_MAX_TC; i++) { |
| 823 | temp = &type->tc_cfg[i]; |
| 824 | if (temp->valid && (pg == temp->pgid)) |
| 825 | cnt++; |
| 826 | } |
| 827 | |
| 828 | tc_cfg->bwg_percent = (100 / cnt); |
| 829 | *bw_per = tc_cfg->bwg_percent; |
| 830 | } |
| 831 | |
| 832 | static void qlcnic_dcb_get_pg_bwg_cfg_tx(struct net_device *netdev, int pgid, |
| 833 | u8 *bw_pct) |
| 834 | { |
| 835 | struct qlcnic_adapter *adapter = netdev_priv(netdev); |
| 836 | struct qlcnic_dcb_pg_cfg *pgcfg; |
| 837 | struct qlcnic_dcb_cee *type; |
| 838 | |
| 839 | *bw_pct = 0; |
| 840 | type = &adapter->dcb->cfg->type[QLC_DCB_OPER_IDX]; |
| 841 | |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 842 | if (!test_bit(QLCNIC_DCB_STATE, &adapter->dcb->state) || |
Sucheta Chakraborty | 48365e4 | 2013-08-23 13:38:28 -0400 | [diff] [blame] | 843 | !type->tc_param_valid) |
| 844 | return; |
| 845 | |
Dan Carpenter | e842b06 | 2014-03-01 16:54:36 +0300 | [diff] [blame] | 846 | if (pgid < 0 || pgid >= QLC_DCB_MAX_PG) |
Sucheta Chakraborty | 48365e4 | 2013-08-23 13:38:28 -0400 | [diff] [blame] | 847 | return; |
| 848 | |
| 849 | pgcfg = &type->pg_cfg[pgid]; |
| 850 | if (!pgcfg->valid) |
| 851 | return; |
| 852 | |
| 853 | *bw_pct = pgcfg->total_bw_percent; |
| 854 | } |
| 855 | |
| 856 | static void qlcnic_dcb_get_pfc_cfg(struct net_device *netdev, int prio, |
| 857 | u8 *setting) |
| 858 | { |
| 859 | struct qlcnic_adapter *adapter = netdev_priv(netdev); |
| 860 | struct qlcnic_dcb_tc_cfg *tc_cfg; |
| 861 | u8 val = QLC_DCB_GET_MAP(prio); |
| 862 | struct qlcnic_dcb_cee *type; |
| 863 | u8 i; |
| 864 | |
| 865 | *setting = 0; |
| 866 | type = &adapter->dcb->cfg->type[QLC_DCB_OPER_IDX]; |
| 867 | |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 868 | if (!test_bit(QLCNIC_DCB_STATE, &adapter->dcb->state) || |
Sucheta Chakraborty | 48365e4 | 2013-08-23 13:38:28 -0400 | [diff] [blame] | 869 | !type->pfc_mode_enable) |
| 870 | return; |
| 871 | |
| 872 | for (i = 0; i < QLC_DCB_MAX_TC; i++) { |
| 873 | tc_cfg = &type->tc_cfg[i]; |
| 874 | if (!tc_cfg->valid) |
| 875 | continue; |
| 876 | |
| 877 | if ((val & tc_cfg->up_tc_map) && (tc_cfg->prio_cfg[prio].valid)) |
| 878 | *setting = tc_cfg->prio_cfg[prio].pfc_type; |
| 879 | } |
| 880 | } |
| 881 | |
| 882 | static u8 qlcnic_dcb_get_capability(struct net_device *netdev, int capid, |
| 883 | u8 *cap) |
| 884 | { |
| 885 | struct qlcnic_adapter *adapter = netdev_priv(netdev); |
| 886 | |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 887 | if (!test_bit(QLCNIC_DCB_STATE, &adapter->dcb->state)) |
Sucheta Chakraborty | 48365e4 | 2013-08-23 13:38:28 -0400 | [diff] [blame] | 888 | return 0; |
| 889 | |
| 890 | switch (capid) { |
| 891 | case DCB_CAP_ATTR_PG: |
| 892 | case DCB_CAP_ATTR_UP2TC: |
| 893 | case DCB_CAP_ATTR_PFC: |
| 894 | case DCB_CAP_ATTR_GSP: |
| 895 | *cap = true; |
| 896 | break; |
| 897 | case DCB_CAP_ATTR_PG_TCS: |
| 898 | case DCB_CAP_ATTR_PFC_TCS: |
| 899 | *cap = 0x80; /* 8 priorities for PGs */ |
| 900 | break; |
| 901 | case DCB_CAP_ATTR_DCBX: |
| 902 | *cap = adapter->dcb->cfg->capability.dcb_capability; |
| 903 | break; |
| 904 | default: |
| 905 | *cap = false; |
| 906 | } |
| 907 | |
| 908 | return 0; |
| 909 | } |
| 910 | |
| 911 | static int qlcnic_dcb_get_num_tcs(struct net_device *netdev, int attr, u8 *num) |
| 912 | { |
| 913 | struct qlcnic_adapter *adapter = netdev_priv(netdev); |
| 914 | struct qlcnic_dcb_cfg *cfg = adapter->dcb->cfg; |
| 915 | |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 916 | if (!test_bit(QLCNIC_DCB_STATE, &adapter->dcb->state)) |
Sucheta Chakraborty | 48365e4 | 2013-08-23 13:38:28 -0400 | [diff] [blame] | 917 | return -EINVAL; |
| 918 | |
| 919 | switch (attr) { |
| 920 | case DCB_NUMTCS_ATTR_PG: |
| 921 | *num = cfg->capability.max_ets_tc; |
| 922 | return 0; |
| 923 | case DCB_NUMTCS_ATTR_PFC: |
| 924 | *num = cfg->capability.max_pfc_tc; |
| 925 | return 0; |
| 926 | default: |
| 927 | return -EINVAL; |
| 928 | } |
| 929 | } |
| 930 | |
| 931 | static u8 qlcnic_dcb_get_app(struct net_device *netdev, u8 idtype, u16 id) |
| 932 | { |
| 933 | struct qlcnic_adapter *adapter = netdev_priv(netdev); |
| 934 | struct dcb_app app = { |
| 935 | .selector = idtype, |
| 936 | .protocol = id, |
| 937 | }; |
| 938 | |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 939 | if (!test_bit(QLCNIC_DCB_STATE, &adapter->dcb->state)) |
Sucheta Chakraborty | 48365e4 | 2013-08-23 13:38:28 -0400 | [diff] [blame] | 940 | return 0; |
| 941 | |
| 942 | return dcb_getapp(netdev, &app); |
| 943 | } |
| 944 | |
| 945 | static u8 qlcnic_dcb_get_pfc_state(struct net_device *netdev) |
| 946 | { |
| 947 | struct qlcnic_adapter *adapter = netdev_priv(netdev); |
| 948 | struct qlcnic_dcb *dcb = adapter->dcb; |
| 949 | |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 950 | if (!test_bit(QLCNIC_DCB_STATE, &dcb->state)) |
Sucheta Chakraborty | 48365e4 | 2013-08-23 13:38:28 -0400 | [diff] [blame] | 951 | return 0; |
| 952 | |
| 953 | return dcb->cfg->type[QLC_DCB_OPER_IDX].pfc_mode_enable; |
| 954 | } |
| 955 | |
| 956 | static u8 qlcnic_dcb_get_dcbx(struct net_device *netdev) |
| 957 | { |
| 958 | struct qlcnic_adapter *adapter = netdev_priv(netdev); |
| 959 | struct qlcnic_dcb_cfg *cfg = adapter->dcb->cfg; |
| 960 | |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 961 | if (!test_bit(QLCNIC_DCB_STATE, &adapter->dcb->state)) |
Sucheta Chakraborty | 48365e4 | 2013-08-23 13:38:28 -0400 | [diff] [blame] | 962 | return 0; |
| 963 | |
| 964 | return cfg->capability.dcb_capability; |
| 965 | } |
| 966 | |
| 967 | static u8 qlcnic_dcb_get_feat_cfg(struct net_device *netdev, int fid, u8 *flag) |
| 968 | { |
| 969 | struct qlcnic_adapter *adapter = netdev_priv(netdev); |
| 970 | struct qlcnic_dcb_cee *type; |
| 971 | |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 972 | if (!test_bit(QLCNIC_DCB_STATE, &adapter->dcb->state)) |
Sucheta Chakraborty | 48365e4 | 2013-08-23 13:38:28 -0400 | [diff] [blame] | 973 | return 1; |
| 974 | |
| 975 | type = &adapter->dcb->cfg->type[QLC_DCB_OPER_IDX]; |
| 976 | *flag = 0; |
| 977 | |
| 978 | switch (fid) { |
| 979 | case DCB_FEATCFG_ATTR_PG: |
| 980 | if (type->tc_param_valid) |
| 981 | *flag |= DCB_FEATCFG_ENABLE; |
| 982 | else |
| 983 | *flag |= DCB_FEATCFG_ERROR; |
| 984 | break; |
| 985 | case DCB_FEATCFG_ATTR_PFC: |
| 986 | if (type->pfc_mode_enable) { |
| 987 | if (type->tc_cfg[0].prio_cfg[0].pfc_type) |
| 988 | *flag |= DCB_FEATCFG_ENABLE; |
| 989 | } else { |
| 990 | *flag |= DCB_FEATCFG_ERROR; |
| 991 | } |
| 992 | break; |
| 993 | case DCB_FEATCFG_ATTR_APP: |
| 994 | *flag |= DCB_FEATCFG_ENABLE; |
| 995 | break; |
| 996 | default: |
| 997 | netdev_err(netdev, "Invalid Feature ID %d\n", fid); |
| 998 | return 1; |
| 999 | } |
| 1000 | |
| 1001 | return 0; |
| 1002 | } |
| 1003 | |
| 1004 | static inline void |
| 1005 | qlcnic_dcb_get_pg_tc_cfg_rx(struct net_device *netdev, int prio, u8 *prio_type, |
| 1006 | u8 *pgid, u8 *bw_pct, u8 *up_map) |
| 1007 | { |
| 1008 | *prio_type = *pgid = *bw_pct = *up_map = 0; |
| 1009 | } |
| 1010 | |
| 1011 | static inline void |
| 1012 | qlcnic_dcb_get_pg_bwg_cfg_rx(struct net_device *netdev, int pgid, u8 *bw_pct) |
| 1013 | { |
| 1014 | *bw_pct = 0; |
| 1015 | } |
| 1016 | |
| 1017 | static int qlcnic_dcb_peer_app_info(struct net_device *netdev, |
| 1018 | struct dcb_peer_app_info *info, |
| 1019 | u16 *app_count) |
| 1020 | { |
| 1021 | struct qlcnic_adapter *adapter = netdev_priv(netdev); |
| 1022 | struct qlcnic_dcb_cee *peer; |
| 1023 | int i; |
| 1024 | |
| 1025 | *app_count = 0; |
| 1026 | |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 1027 | if (!test_bit(QLCNIC_DCB_STATE, &adapter->dcb->state)) |
Sucheta Chakraborty | 48365e4 | 2013-08-23 13:38:28 -0400 | [diff] [blame] | 1028 | return 0; |
| 1029 | |
| 1030 | peer = &adapter->dcb->cfg->type[QLC_DCB_PEER_IDX]; |
| 1031 | |
| 1032 | for (i = 0; i < QLC_DCB_MAX_APP; i++) { |
| 1033 | if (peer->app[i].valid) |
| 1034 | (*app_count)++; |
| 1035 | } |
| 1036 | |
| 1037 | return 0; |
| 1038 | } |
| 1039 | |
| 1040 | static int qlcnic_dcb_peer_app_table(struct net_device *netdev, |
| 1041 | struct dcb_app *table) |
| 1042 | { |
| 1043 | struct qlcnic_adapter *adapter = netdev_priv(netdev); |
| 1044 | struct qlcnic_dcb_cee *peer; |
| 1045 | struct qlcnic_dcb_app *app; |
| 1046 | int i, j; |
| 1047 | |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 1048 | if (!test_bit(QLCNIC_DCB_STATE, &adapter->dcb->state)) |
Sucheta Chakraborty | 48365e4 | 2013-08-23 13:38:28 -0400 | [diff] [blame] | 1049 | return 0; |
| 1050 | |
| 1051 | peer = &adapter->dcb->cfg->type[QLC_DCB_PEER_IDX]; |
| 1052 | |
| 1053 | for (i = 0, j = 0; i < QLC_DCB_MAX_APP; i++) { |
| 1054 | app = &peer->app[i]; |
| 1055 | if (!app->valid) |
| 1056 | continue; |
| 1057 | |
| 1058 | table[j].selector = app->selector; |
| 1059 | table[j].priority = app->priority; |
| 1060 | table[j++].protocol = app->protocol; |
| 1061 | } |
| 1062 | |
| 1063 | return 0; |
| 1064 | } |
| 1065 | |
| 1066 | static int qlcnic_dcb_cee_peer_get_pg(struct net_device *netdev, |
| 1067 | struct cee_pg *pg) |
| 1068 | { |
| 1069 | struct qlcnic_adapter *adapter = netdev_priv(netdev); |
| 1070 | struct qlcnic_dcb_cee *peer; |
| 1071 | u8 i, j, k, map; |
| 1072 | |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 1073 | if (!test_bit(QLCNIC_DCB_STATE, &adapter->dcb->state)) |
Sucheta Chakraborty | 48365e4 | 2013-08-23 13:38:28 -0400 | [diff] [blame] | 1074 | return 0; |
| 1075 | |
| 1076 | peer = &adapter->dcb->cfg->type[QLC_DCB_PEER_IDX]; |
| 1077 | |
| 1078 | for (i = 0, j = 0; i < QLC_DCB_MAX_PG; i++) { |
| 1079 | if (!peer->pg_cfg[i].valid) |
| 1080 | continue; |
| 1081 | |
| 1082 | pg->pg_bw[j] = peer->pg_cfg[i].total_bw_percent; |
| 1083 | |
| 1084 | for (k = 0; k < QLC_DCB_MAX_TC; k++) { |
| 1085 | if (peer->tc_cfg[i].valid && |
| 1086 | (peer->tc_cfg[i].pgid == i)) { |
| 1087 | map = peer->tc_cfg[i].up_tc_map; |
| 1088 | pg->prio_pg[j++] = map; |
| 1089 | break; |
| 1090 | } |
| 1091 | } |
| 1092 | } |
| 1093 | |
| 1094 | return 0; |
| 1095 | } |
| 1096 | |
| 1097 | static int qlcnic_dcb_cee_peer_get_pfc(struct net_device *netdev, |
| 1098 | struct cee_pfc *pfc) |
| 1099 | { |
| 1100 | struct qlcnic_adapter *adapter = netdev_priv(netdev); |
| 1101 | struct qlcnic_dcb_cfg *cfg = adapter->dcb->cfg; |
| 1102 | struct qlcnic_dcb_tc_cfg *tc; |
| 1103 | struct qlcnic_dcb_cee *peer; |
| 1104 | u8 i, setting, prio; |
| 1105 | |
| 1106 | pfc->pfc_en = 0; |
| 1107 | |
Sucheta Chakraborty | 1de899d | 2013-10-18 12:22:33 -0400 | [diff] [blame] | 1108 | if (!test_bit(QLCNIC_DCB_STATE, &adapter->dcb->state)) |
Sucheta Chakraborty | 48365e4 | 2013-08-23 13:38:28 -0400 | [diff] [blame] | 1109 | return 0; |
| 1110 | |
| 1111 | peer = &cfg->type[QLC_DCB_PEER_IDX]; |
| 1112 | |
| 1113 | for (i = 0; i < QLC_DCB_MAX_TC; i++) { |
| 1114 | tc = &peer->tc_cfg[i]; |
| 1115 | prio = qlcnic_dcb_prio_count(tc->up_tc_map); |
| 1116 | |
| 1117 | setting = 0; |
| 1118 | qlcnic_dcb_get_pfc_cfg(netdev, prio, &setting); |
| 1119 | if (setting) |
| 1120 | pfc->pfc_en |= QLC_DCB_GET_MAP(i); |
| 1121 | } |
| 1122 | |
| 1123 | pfc->tcs_supported = cfg->capability.max_pfc_tc; |
| 1124 | |
| 1125 | return 0; |
| 1126 | } |
| 1127 | |
| 1128 | static const struct dcbnl_rtnl_ops qlcnic_dcbnl_ops = { |
| 1129 | .getstate = qlcnic_dcb_get_state, |
| 1130 | .getpermhwaddr = qlcnic_dcb_get_perm_hw_addr, |
| 1131 | .getpgtccfgtx = qlcnic_dcb_get_pg_tc_cfg_tx, |
| 1132 | .getpgbwgcfgtx = qlcnic_dcb_get_pg_bwg_cfg_tx, |
| 1133 | .getpfccfg = qlcnic_dcb_get_pfc_cfg, |
| 1134 | .getcap = qlcnic_dcb_get_capability, |
| 1135 | .getnumtcs = qlcnic_dcb_get_num_tcs, |
| 1136 | .getapp = qlcnic_dcb_get_app, |
| 1137 | .getpfcstate = qlcnic_dcb_get_pfc_state, |
| 1138 | .getdcbx = qlcnic_dcb_get_dcbx, |
| 1139 | .getfeatcfg = qlcnic_dcb_get_feat_cfg, |
| 1140 | |
| 1141 | .getpgtccfgrx = qlcnic_dcb_get_pg_tc_cfg_rx, |
| 1142 | .getpgbwgcfgrx = qlcnic_dcb_get_pg_bwg_cfg_rx, |
| 1143 | |
| 1144 | .peer_getappinfo = qlcnic_dcb_peer_app_info, |
| 1145 | .peer_getapptable = qlcnic_dcb_peer_app_table, |
| 1146 | .cee_peer_getpg = qlcnic_dcb_cee_peer_get_pg, |
| 1147 | .cee_peer_getpfc = qlcnic_dcb_cee_peer_get_pfc, |
| 1148 | }; |