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 |
| 12 | |
Sucheta Chakraborty | 2d8ebca | 2013-08-23 13:38:27 -0400 | [diff] [blame^] | 13 | #define QLC_DCB_AEN_BIT 0x2 |
Sucheta Chakraborty | fb859ed | 2013-08-23 13:38:26 -0400 | [diff] [blame] | 14 | #define QLC_DCB_FW_VER 0x2 |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 15 | #define QLC_DCB_MAX_TC 0x8 |
Sucheta Chakraborty | fb859ed | 2013-08-23 13:38:26 -0400 | [diff] [blame] | 16 | #define QLC_DCB_MAX_APP 0x8 |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 17 | |
| 18 | #define QLC_DCB_TSA_SUPPORT(V) (V & 0x1) |
| 19 | #define QLC_DCB_ETS_SUPPORT(V) ((V >> 1) & 0x1) |
| 20 | #define QLC_DCB_VERSION_SUPPORT(V) ((V >> 2) & 0xf) |
| 21 | #define QLC_DCB_MAX_NUM_TC(V) ((V >> 20) & 0xf) |
| 22 | #define QLC_DCB_MAX_NUM_ETS_TC(V) ((V >> 24) & 0xf) |
| 23 | #define QLC_DCB_MAX_NUM_PFC_TC(V) ((V >> 28) & 0xf) |
Sucheta Chakraborty | fb859ed | 2013-08-23 13:38:26 -0400 | [diff] [blame] | 24 | #define QLC_DCB_GET_TC_PRIO(X, P) ((X >> (P * 3)) & 0x7) |
| 25 | #define QLC_DCB_GET_PGID_PRIO(X, P) ((X >> (P * 8)) & 0xff) |
| 26 | #define QLC_DCB_GET_BWPER_PG(X, P) ((X >> (P * 8)) & 0xff) |
| 27 | #define QLC_DCB_GET_TSA_PG(X, P) ((X >> (P * 8)) & 0xff) |
| 28 | #define QLC_DCB_GET_PFC_PRIO(X, P) (((X >> 24) >> P) & 0x1) |
| 29 | #define QLC_DCB_GET_PROTO_ID_APP(X) ((X >> 8) & 0xffff) |
| 30 | #define QLC_DCB_GET_SELECTOR_APP(X) (X & 0xff) |
| 31 | |
| 32 | #define QLC_DCB_LOCAL_PARAM_FWID 0x3 |
| 33 | #define QLC_DCB_OPER_PARAM_FWID 0x1 |
| 34 | #define QLC_DCB_PEER_PARAM_FWID 0x2 |
| 35 | |
| 36 | #define QLC_83XX_DCB_GET_NUMAPP(X) ((X >> 2) & 0xf) |
| 37 | #define QLC_83XX_DCB_TSA_VALID(X) (X & 0x1) |
| 38 | #define QLC_83XX_DCB_PFC_VALID(X) ((X >> 1) & 0x1) |
| 39 | #define QLC_83XX_DCB_GET_PRIOMAP_APP(X) (X >> 24) |
| 40 | |
| 41 | #define QLC_82XX_DCB_GET_NUMAPP(X) ((X >> 12) & 0xf) |
| 42 | #define QLC_82XX_DCB_TSA_VALID(X) ((X >> 4) & 0x1) |
| 43 | #define QLC_82XX_DCB_PFC_VALID(X) ((X >> 5) & 0x1) |
| 44 | #define QLC_82XX_DCB_GET_PRIOVAL_APP(X) ((X >> 24) & 0x7) |
| 45 | #define QLC_82XX_DCB_GET_PRIOMAP_APP(X) (1 << X) |
| 46 | #define QLC_82XX_DCB_PRIO_TC_MAP (0x76543210) |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 47 | |
Sucheta Chakraborty | 2d8ebca | 2013-08-23 13:38:27 -0400 | [diff] [blame^] | 48 | static void qlcnic_dcb_aen_work(struct work_struct *); |
| 49 | |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 50 | static void __qlcnic_dcb_free(struct qlcnic_adapter *); |
| 51 | static int __qlcnic_dcb_attach(struct qlcnic_adapter *); |
| 52 | static int __qlcnic_dcb_query_hw_capability(struct qlcnic_adapter *, char *); |
| 53 | static void __qlcnic_dcb_get_info(struct qlcnic_adapter *); |
| 54 | |
| 55 | static int qlcnic_82xx_dcb_get_hw_capability(struct qlcnic_adapter *); |
Sucheta Chakraborty | fb859ed | 2013-08-23 13:38:26 -0400 | [diff] [blame] | 56 | static int qlcnic_82xx_dcb_query_cee_param(struct qlcnic_adapter *, char *, u8); |
| 57 | static int qlcnic_82xx_dcb_get_cee_cfg(struct qlcnic_adapter *); |
Sucheta Chakraborty | 2d8ebca | 2013-08-23 13:38:27 -0400 | [diff] [blame^] | 58 | static void qlcnic_82xx_dcb_handle_aen(struct qlcnic_adapter *, void *); |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 59 | |
| 60 | static int qlcnic_83xx_dcb_get_hw_capability(struct qlcnic_adapter *); |
Sucheta Chakraborty | fb859ed | 2013-08-23 13:38:26 -0400 | [diff] [blame] | 61 | static int qlcnic_83xx_dcb_query_cee_param(struct qlcnic_adapter *, char *, u8); |
| 62 | static int qlcnic_83xx_dcb_get_cee_cfg(struct qlcnic_adapter *); |
Sucheta Chakraborty | 2d8ebca | 2013-08-23 13:38:27 -0400 | [diff] [blame^] | 63 | static int qlcnic_83xx_dcb_register_aen(struct qlcnic_adapter *, bool); |
| 64 | static void qlcnic_83xx_dcb_handle_aen(struct qlcnic_adapter *, void *); |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 65 | |
| 66 | struct qlcnic_dcb_capability { |
| 67 | bool tsa_capability; |
| 68 | bool ets_capability; |
| 69 | u8 max_num_tc; |
| 70 | u8 max_ets_tc; |
| 71 | u8 max_pfc_tc; |
| 72 | u8 dcb_capability; |
| 73 | }; |
| 74 | |
Sucheta Chakraborty | fb859ed | 2013-08-23 13:38:26 -0400 | [diff] [blame] | 75 | struct qlcnic_dcb_param { |
| 76 | u32 hdr_prio_pfc_map[2]; |
| 77 | u32 prio_pg_map[2]; |
| 78 | u32 pg_bw_map[2]; |
| 79 | u32 pg_tsa_map[2]; |
| 80 | u32 app[QLC_DCB_MAX_APP]; |
| 81 | }; |
| 82 | |
| 83 | struct qlcnic_dcb_mbx_params { |
| 84 | /* 1st local, 2nd operational 3rd remote */ |
| 85 | struct qlcnic_dcb_param type[3]; |
| 86 | u32 prio_tc_map; |
| 87 | }; |
| 88 | |
| 89 | struct qlcnic_82xx_dcb_param_mbx_le { |
| 90 | __le32 hdr_prio_pfc_map[2]; |
| 91 | __le32 prio_pg_map[2]; |
| 92 | __le32 pg_bw_map[2]; |
| 93 | __le32 pg_tsa_map[2]; |
| 94 | __le32 app[QLC_DCB_MAX_APP]; |
| 95 | }; |
| 96 | |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 97 | struct qlcnic_dcb_cfg { |
| 98 | struct qlcnic_dcb_capability capability; |
| 99 | u32 version; |
| 100 | }; |
| 101 | |
| 102 | static struct qlcnic_dcb_ops qlcnic_83xx_dcb_ops = { |
| 103 | .free = __qlcnic_dcb_free, |
| 104 | .attach = __qlcnic_dcb_attach, |
| 105 | .query_hw_capability = __qlcnic_dcb_query_hw_capability, |
| 106 | .get_info = __qlcnic_dcb_get_info, |
| 107 | |
| 108 | .get_hw_capability = qlcnic_83xx_dcb_get_hw_capability, |
Sucheta Chakraborty | fb859ed | 2013-08-23 13:38:26 -0400 | [diff] [blame] | 109 | .query_cee_param = qlcnic_83xx_dcb_query_cee_param, |
| 110 | .get_cee_cfg = qlcnic_83xx_dcb_get_cee_cfg, |
Sucheta Chakraborty | 2d8ebca | 2013-08-23 13:38:27 -0400 | [diff] [blame^] | 111 | .register_aen = qlcnic_83xx_dcb_register_aen, |
| 112 | .handle_aen = qlcnic_83xx_dcb_handle_aen, |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 113 | }; |
| 114 | |
| 115 | static struct qlcnic_dcb_ops qlcnic_82xx_dcb_ops = { |
| 116 | .free = __qlcnic_dcb_free, |
| 117 | .attach = __qlcnic_dcb_attach, |
| 118 | .query_hw_capability = __qlcnic_dcb_query_hw_capability, |
| 119 | .get_info = __qlcnic_dcb_get_info, |
| 120 | |
| 121 | .get_hw_capability = qlcnic_82xx_dcb_get_hw_capability, |
Sucheta Chakraborty | fb859ed | 2013-08-23 13:38:26 -0400 | [diff] [blame] | 122 | .query_cee_param = qlcnic_82xx_dcb_query_cee_param, |
| 123 | .get_cee_cfg = qlcnic_82xx_dcb_get_cee_cfg, |
Sucheta Chakraborty | 2d8ebca | 2013-08-23 13:38:27 -0400 | [diff] [blame^] | 124 | .handle_aen = qlcnic_82xx_dcb_handle_aen, |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 125 | }; |
| 126 | |
Sucheta Chakraborty | fb859ed | 2013-08-23 13:38:26 -0400 | [diff] [blame] | 127 | static u8 qlcnic_dcb_get_num_app(struct qlcnic_adapter *adapter, u32 val) |
| 128 | { |
| 129 | if (qlcnic_82xx_check(adapter)) |
| 130 | return QLC_82XX_DCB_GET_NUMAPP(val); |
| 131 | else |
| 132 | return QLC_83XX_DCB_GET_NUMAPP(val); |
| 133 | } |
| 134 | |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 135 | void qlcnic_set_dcb_ops(struct qlcnic_adapter *adapter) |
| 136 | { |
| 137 | if (qlcnic_82xx_check(adapter)) |
| 138 | adapter->dcb->ops = &qlcnic_82xx_dcb_ops; |
| 139 | else if (qlcnic_83xx_check(adapter)) |
| 140 | adapter->dcb->ops = &qlcnic_83xx_dcb_ops; |
| 141 | } |
| 142 | |
| 143 | int __qlcnic_register_dcb(struct qlcnic_adapter *adapter) |
| 144 | { |
| 145 | struct qlcnic_dcb *dcb; |
| 146 | |
| 147 | dcb = kzalloc(sizeof(struct qlcnic_dcb), GFP_ATOMIC); |
| 148 | if (!dcb) |
| 149 | return -ENOMEM; |
| 150 | |
| 151 | adapter->dcb = dcb; |
Sucheta Chakraborty | 2d8ebca | 2013-08-23 13:38:27 -0400 | [diff] [blame^] | 152 | dcb->adapter = adapter; |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 153 | qlcnic_set_dcb_ops(adapter); |
| 154 | |
| 155 | return 0; |
| 156 | } |
| 157 | |
| 158 | static void __qlcnic_dcb_free(struct qlcnic_adapter *adapter) |
| 159 | { |
| 160 | struct qlcnic_dcb *dcb = adapter->dcb; |
| 161 | |
| 162 | if (!dcb) |
| 163 | return; |
| 164 | |
Sucheta Chakraborty | 2d8ebca | 2013-08-23 13:38:27 -0400 | [diff] [blame^] | 165 | qlcnic_dcb_register_aen(adapter, 0); |
| 166 | |
| 167 | while (test_bit(__QLCNIC_DCB_IN_AEN, &adapter->state)) |
| 168 | usleep_range(10000, 11000); |
| 169 | |
| 170 | cancel_delayed_work_sync(&dcb->aen_work); |
| 171 | |
| 172 | if (dcb->wq) { |
| 173 | destroy_workqueue(dcb->wq); |
| 174 | dcb->wq = NULL; |
| 175 | } |
| 176 | |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 177 | kfree(dcb->cfg); |
| 178 | dcb->cfg = NULL; |
Sucheta Chakraborty | fb859ed | 2013-08-23 13:38:26 -0400 | [diff] [blame] | 179 | kfree(dcb->param); |
| 180 | dcb->param = NULL; |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 181 | kfree(dcb); |
| 182 | adapter->dcb = NULL; |
| 183 | } |
| 184 | |
| 185 | static void __qlcnic_dcb_get_info(struct qlcnic_adapter *adapter) |
| 186 | { |
| 187 | qlcnic_dcb_get_hw_capability(adapter); |
Sucheta Chakraborty | fb859ed | 2013-08-23 13:38:26 -0400 | [diff] [blame] | 188 | qlcnic_dcb_get_cee_cfg(adapter); |
Sucheta Chakraborty | 2d8ebca | 2013-08-23 13:38:27 -0400 | [diff] [blame^] | 189 | qlcnic_dcb_register_aen(adapter, 1); |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 190 | } |
| 191 | |
| 192 | static int __qlcnic_dcb_attach(struct qlcnic_adapter *adapter) |
| 193 | { |
| 194 | struct qlcnic_dcb *dcb = adapter->dcb; |
Sucheta Chakraborty | fb859ed | 2013-08-23 13:38:26 -0400 | [diff] [blame] | 195 | int err = 0; |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 196 | |
Sucheta Chakraborty | 2d8ebca | 2013-08-23 13:38:27 -0400 | [diff] [blame^] | 197 | INIT_DELAYED_WORK(&dcb->aen_work, qlcnic_dcb_aen_work); |
| 198 | |
| 199 | dcb->wq = create_singlethread_workqueue("qlcnic-dcb"); |
| 200 | if (!dcb->wq) { |
| 201 | dev_err(&adapter->pdev->dev, |
| 202 | "DCB workqueue allocation failed. DCB will be disabled\n"); |
| 203 | return -1; |
| 204 | } |
| 205 | |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 206 | dcb->cfg = kzalloc(sizeof(struct qlcnic_dcb_cfg), GFP_ATOMIC); |
Sucheta Chakraborty | 2d8ebca | 2013-08-23 13:38:27 -0400 | [diff] [blame^] | 207 | if (!dcb->cfg) { |
| 208 | err = -ENOMEM; |
| 209 | goto out_free_wq; |
| 210 | } |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 211 | |
Sucheta Chakraborty | fb859ed | 2013-08-23 13:38:26 -0400 | [diff] [blame] | 212 | dcb->param = kzalloc(sizeof(struct qlcnic_dcb_mbx_params), GFP_ATOMIC); |
| 213 | if (!dcb->param) { |
| 214 | err = -ENOMEM; |
| 215 | goto out_free_cfg; |
| 216 | } |
| 217 | |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 218 | qlcnic_dcb_get_info(adapter); |
| 219 | |
| 220 | return 0; |
Sucheta Chakraborty | fb859ed | 2013-08-23 13:38:26 -0400 | [diff] [blame] | 221 | out_free_cfg: |
| 222 | kfree(dcb->cfg); |
| 223 | dcb->cfg = NULL; |
| 224 | |
Sucheta Chakraborty | 2d8ebca | 2013-08-23 13:38:27 -0400 | [diff] [blame^] | 225 | out_free_wq: |
| 226 | destroy_workqueue(dcb->wq); |
| 227 | dcb->wq = NULL; |
| 228 | |
Sucheta Chakraborty | fb859ed | 2013-08-23 13:38:26 -0400 | [diff] [blame] | 229 | return err; |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 230 | } |
| 231 | |
| 232 | static int __qlcnic_dcb_query_hw_capability(struct qlcnic_adapter *adapter, |
| 233 | char *buf) |
| 234 | { |
| 235 | struct qlcnic_cmd_args cmd; |
| 236 | u32 mbx_out; |
| 237 | int err; |
| 238 | |
| 239 | err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DCB_QUERY_CAP); |
| 240 | if (err) |
| 241 | return err; |
| 242 | |
| 243 | err = qlcnic_issue_cmd(adapter, &cmd); |
| 244 | if (err) { |
| 245 | dev_err(&adapter->pdev->dev, |
| 246 | "Failed to query DCBX capability, err %d\n", err); |
| 247 | } else { |
| 248 | mbx_out = cmd.rsp.arg[1]; |
| 249 | if (buf) |
| 250 | memcpy(buf, &mbx_out, sizeof(u32)); |
| 251 | } |
| 252 | |
| 253 | qlcnic_free_mbx_args(&cmd); |
| 254 | |
| 255 | return err; |
| 256 | } |
| 257 | |
| 258 | static int __qlcnic_dcb_get_capability(struct qlcnic_adapter *adapter, u32 *val) |
| 259 | { |
| 260 | struct qlcnic_dcb_capability *cap = &adapter->dcb->cfg->capability; |
| 261 | u32 mbx_out; |
| 262 | int err; |
| 263 | |
| 264 | memset(cap, 0, sizeof(struct qlcnic_dcb_capability)); |
| 265 | |
| 266 | err = qlcnic_dcb_query_hw_capability(adapter, (char *)val); |
| 267 | if (err) |
| 268 | return err; |
| 269 | |
| 270 | mbx_out = *val; |
| 271 | if (QLC_DCB_TSA_SUPPORT(mbx_out)) |
| 272 | cap->tsa_capability = true; |
| 273 | |
| 274 | if (QLC_DCB_ETS_SUPPORT(mbx_out)) |
| 275 | cap->ets_capability = true; |
| 276 | |
| 277 | cap->max_num_tc = QLC_DCB_MAX_NUM_TC(mbx_out); |
| 278 | cap->max_ets_tc = QLC_DCB_MAX_NUM_ETS_TC(mbx_out); |
| 279 | cap->max_pfc_tc = QLC_DCB_MAX_NUM_PFC_TC(mbx_out); |
| 280 | |
| 281 | if (cap->max_num_tc > QLC_DCB_MAX_TC || |
| 282 | cap->max_ets_tc > cap->max_num_tc || |
| 283 | cap->max_pfc_tc > cap->max_num_tc) { |
| 284 | dev_err(&adapter->pdev->dev, "Invalid DCB configuration\n"); |
| 285 | return -EINVAL; |
| 286 | } |
| 287 | |
| 288 | return err; |
| 289 | } |
| 290 | |
| 291 | static int qlcnic_82xx_dcb_get_hw_capability(struct qlcnic_adapter *adapter) |
| 292 | { |
| 293 | struct qlcnic_dcb_cfg *cfg = adapter->dcb->cfg; |
| 294 | struct qlcnic_dcb_capability *cap; |
| 295 | u32 mbx_out; |
| 296 | int err; |
| 297 | |
| 298 | err = __qlcnic_dcb_get_capability(adapter, &mbx_out); |
| 299 | if (err) |
| 300 | return err; |
| 301 | |
| 302 | cap = &cfg->capability; |
| 303 | cap->dcb_capability = DCB_CAP_DCBX_VER_CEE | DCB_CAP_DCBX_LLD_MANAGED; |
| 304 | |
| 305 | if (cap->dcb_capability && cap->tsa_capability && cap->ets_capability) |
| 306 | set_bit(__QLCNIC_DCB_STATE, &adapter->state); |
| 307 | |
| 308 | return err; |
| 309 | } |
| 310 | |
Sucheta Chakraborty | fb859ed | 2013-08-23 13:38:26 -0400 | [diff] [blame] | 311 | static int qlcnic_82xx_dcb_query_cee_param(struct qlcnic_adapter *adapter, |
| 312 | char *buf, u8 type) |
| 313 | { |
| 314 | u16 size = sizeof(struct qlcnic_82xx_dcb_param_mbx_le); |
| 315 | struct qlcnic_82xx_dcb_param_mbx_le *prsp_le; |
| 316 | struct device *dev = &adapter->pdev->dev; |
| 317 | dma_addr_t cardrsp_phys_addr; |
| 318 | struct qlcnic_dcb_param rsp; |
| 319 | struct qlcnic_cmd_args cmd; |
| 320 | u64 phys_addr; |
| 321 | void *addr; |
| 322 | int err, i; |
| 323 | |
| 324 | switch (type) { |
| 325 | case QLC_DCB_LOCAL_PARAM_FWID: |
| 326 | case QLC_DCB_OPER_PARAM_FWID: |
| 327 | case QLC_DCB_PEER_PARAM_FWID: |
| 328 | break; |
| 329 | default: |
| 330 | dev_err(dev, "Invalid parameter type %d\n", type); |
| 331 | return -EINVAL; |
| 332 | } |
| 333 | |
| 334 | addr = dma_alloc_coherent(&adapter->pdev->dev, size, &cardrsp_phys_addr, |
| 335 | GFP_KERNEL); |
| 336 | if (addr == NULL) |
| 337 | return -ENOMEM; |
| 338 | |
| 339 | prsp_le = addr; |
| 340 | |
| 341 | err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DCB_QUERY_PARAM); |
| 342 | if (err) |
| 343 | goto out_free_rsp; |
| 344 | |
| 345 | phys_addr = cardrsp_phys_addr; |
| 346 | cmd.req.arg[1] = size | (type << 16); |
| 347 | cmd.req.arg[2] = MSD(phys_addr); |
| 348 | cmd.req.arg[3] = LSD(phys_addr); |
| 349 | |
| 350 | err = qlcnic_issue_cmd(adapter, &cmd); |
| 351 | if (err) { |
| 352 | dev_err(dev, "Failed to query DCBX parameter, err %d\n", err); |
| 353 | goto out; |
| 354 | } |
| 355 | |
| 356 | memset(&rsp, 0, sizeof(struct qlcnic_dcb_param)); |
| 357 | rsp.hdr_prio_pfc_map[0] = le32_to_cpu(prsp_le->hdr_prio_pfc_map[0]); |
| 358 | rsp.hdr_prio_pfc_map[1] = le32_to_cpu(prsp_le->hdr_prio_pfc_map[1]); |
| 359 | rsp.prio_pg_map[0] = le32_to_cpu(prsp_le->prio_pg_map[0]); |
| 360 | rsp.prio_pg_map[1] = le32_to_cpu(prsp_le->prio_pg_map[1]); |
| 361 | rsp.pg_bw_map[0] = le32_to_cpu(prsp_le->pg_bw_map[0]); |
| 362 | rsp.pg_bw_map[1] = le32_to_cpu(prsp_le->pg_bw_map[1]); |
| 363 | rsp.pg_tsa_map[0] = le32_to_cpu(prsp_le->pg_tsa_map[0]); |
| 364 | rsp.pg_tsa_map[1] = le32_to_cpu(prsp_le->pg_tsa_map[1]); |
| 365 | |
| 366 | for (i = 0; i < QLC_DCB_MAX_APP; i++) |
| 367 | rsp.app[i] = le32_to_cpu(prsp_le->app[i]); |
| 368 | |
| 369 | if (buf) |
| 370 | memcpy(buf, &rsp, size); |
| 371 | out: |
| 372 | qlcnic_free_mbx_args(&cmd); |
| 373 | |
| 374 | out_free_rsp: |
| 375 | dma_free_coherent(&adapter->pdev->dev, size, addr, cardrsp_phys_addr); |
| 376 | |
| 377 | return err; |
| 378 | } |
| 379 | |
| 380 | static int qlcnic_82xx_dcb_get_cee_cfg(struct qlcnic_adapter *adapter) |
| 381 | { |
| 382 | struct qlcnic_dcb_mbx_params *mbx; |
| 383 | int err; |
| 384 | |
| 385 | mbx = adapter->dcb->param; |
| 386 | if (!mbx) |
| 387 | return 0; |
| 388 | |
| 389 | err = qlcnic_dcb_query_cee_param(adapter, (char *)&mbx->type[0], |
| 390 | QLC_DCB_LOCAL_PARAM_FWID); |
| 391 | if (err) |
| 392 | return err; |
| 393 | |
| 394 | err = qlcnic_dcb_query_cee_param(adapter, (char *)&mbx->type[1], |
| 395 | QLC_DCB_OPER_PARAM_FWID); |
| 396 | if (err) |
| 397 | return err; |
| 398 | |
| 399 | err = qlcnic_dcb_query_cee_param(adapter, (char *)&mbx->type[2], |
| 400 | QLC_DCB_PEER_PARAM_FWID); |
| 401 | if (err) |
| 402 | return err; |
| 403 | |
| 404 | mbx->prio_tc_map = QLC_82XX_DCB_PRIO_TC_MAP; |
| 405 | |
| 406 | return err; |
| 407 | } |
| 408 | |
Sucheta Chakraborty | 2d8ebca | 2013-08-23 13:38:27 -0400 | [diff] [blame^] | 409 | static void qlcnic_dcb_aen_work(struct work_struct *work) |
| 410 | { |
| 411 | struct qlcnic_adapter *adapter; |
| 412 | struct qlcnic_dcb *dcb; |
| 413 | |
| 414 | dcb = container_of(work, struct qlcnic_dcb, aen_work.work); |
| 415 | adapter = dcb->adapter; |
| 416 | |
| 417 | qlcnic_dcb_get_cee_cfg(adapter); |
| 418 | clear_bit(__QLCNIC_DCB_IN_AEN, &adapter->state); |
| 419 | } |
| 420 | |
| 421 | static void qlcnic_82xx_dcb_handle_aen(struct qlcnic_adapter *adapter, |
| 422 | void *data) |
| 423 | { |
| 424 | struct qlcnic_dcb *dcb = adapter->dcb; |
| 425 | |
| 426 | if (test_and_set_bit(__QLCNIC_DCB_IN_AEN, &adapter->state)) |
| 427 | return; |
| 428 | |
| 429 | queue_delayed_work(dcb->wq, &dcb->aen_work, 0); |
| 430 | } |
| 431 | |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 432 | static int qlcnic_83xx_dcb_get_hw_capability(struct qlcnic_adapter *adapter) |
| 433 | { |
| 434 | struct qlcnic_dcb_capability *cap = &adapter->dcb->cfg->capability; |
| 435 | u32 mbx_out; |
| 436 | int err; |
| 437 | |
| 438 | err = __qlcnic_dcb_get_capability(adapter, &mbx_out); |
| 439 | if (err) |
| 440 | return err; |
| 441 | |
| 442 | if (mbx_out & BIT_2) |
| 443 | cap->dcb_capability = DCB_CAP_DCBX_VER_CEE; |
| 444 | if (mbx_out & BIT_3) |
| 445 | cap->dcb_capability |= DCB_CAP_DCBX_VER_IEEE; |
| 446 | if (cap->dcb_capability) |
| 447 | cap->dcb_capability |= DCB_CAP_DCBX_LLD_MANAGED; |
| 448 | |
| 449 | if (cap->dcb_capability && cap->tsa_capability && cap->ets_capability) |
| 450 | set_bit(__QLCNIC_DCB_STATE, &adapter->state); |
| 451 | |
| 452 | return err; |
| 453 | } |
Sucheta Chakraborty | fb859ed | 2013-08-23 13:38:26 -0400 | [diff] [blame] | 454 | |
| 455 | static int qlcnic_83xx_dcb_query_cee_param(struct qlcnic_adapter *adapter, |
| 456 | char *buf, u8 idx) |
| 457 | { |
| 458 | struct qlcnic_dcb_mbx_params mbx_out; |
| 459 | int err, i, j, k, max_app, size; |
| 460 | struct qlcnic_dcb_param *each; |
| 461 | struct qlcnic_cmd_args cmd; |
| 462 | u32 val; |
| 463 | char *p; |
| 464 | |
| 465 | size = 0; |
| 466 | memset(&mbx_out, 0, sizeof(struct qlcnic_dcb_mbx_params)); |
| 467 | memset(buf, 0, sizeof(struct qlcnic_dcb_mbx_params)); |
| 468 | |
| 469 | err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DCB_QUERY_PARAM); |
| 470 | if (err) |
| 471 | return err; |
| 472 | |
| 473 | cmd.req.arg[0] |= QLC_DCB_FW_VER << 29; |
| 474 | err = qlcnic_issue_cmd(adapter, &cmd); |
| 475 | if (err) { |
| 476 | dev_err(&adapter->pdev->dev, |
| 477 | "Failed to query DCBX param, err %d\n", err); |
| 478 | goto out; |
| 479 | } |
| 480 | |
| 481 | mbx_out.prio_tc_map = cmd.rsp.arg[1]; |
| 482 | p = memcpy(buf, &mbx_out, sizeof(u32)); |
| 483 | k = 2; |
| 484 | p += sizeof(u32); |
| 485 | |
| 486 | for (j = 0; j < QLC_DCB_NUM_PARAM; j++) { |
| 487 | each = &mbx_out.type[j]; |
| 488 | |
| 489 | each->hdr_prio_pfc_map[0] = cmd.rsp.arg[k++]; |
| 490 | each->hdr_prio_pfc_map[1] = cmd.rsp.arg[k++]; |
| 491 | each->prio_pg_map[0] = cmd.rsp.arg[k++]; |
| 492 | each->prio_pg_map[1] = cmd.rsp.arg[k++]; |
| 493 | each->pg_bw_map[0] = cmd.rsp.arg[k++]; |
| 494 | each->pg_bw_map[1] = cmd.rsp.arg[k++]; |
| 495 | each->pg_tsa_map[0] = cmd.rsp.arg[k++]; |
| 496 | each->pg_tsa_map[1] = cmd.rsp.arg[k++]; |
| 497 | val = each->hdr_prio_pfc_map[0]; |
| 498 | |
| 499 | max_app = qlcnic_dcb_get_num_app(adapter, val); |
| 500 | for (i = 0; i < max_app; i++) |
| 501 | each->app[i] = cmd.rsp.arg[i + k]; |
| 502 | |
| 503 | size = 16 * sizeof(u32); |
| 504 | memcpy(p, &each->hdr_prio_pfc_map[0], size); |
| 505 | p += size; |
| 506 | if (j == 0) |
| 507 | k = 18; |
| 508 | else |
| 509 | k = 34; |
| 510 | } |
| 511 | out: |
| 512 | qlcnic_free_mbx_args(&cmd); |
| 513 | |
| 514 | return err; |
| 515 | } |
| 516 | |
| 517 | static int qlcnic_83xx_dcb_get_cee_cfg(struct qlcnic_adapter *adapter) |
| 518 | { |
| 519 | struct qlcnic_dcb *dcb = adapter->dcb; |
| 520 | |
| 521 | return qlcnic_dcb_query_cee_param(adapter, (char *)dcb->param, 0); |
| 522 | } |
Sucheta Chakraborty | 2d8ebca | 2013-08-23 13:38:27 -0400 | [diff] [blame^] | 523 | |
| 524 | static int qlcnic_83xx_dcb_register_aen(struct qlcnic_adapter *adapter, |
| 525 | bool flag) |
| 526 | { |
| 527 | u8 val = (flag ? QLCNIC_CMD_INIT_NIC_FUNC : QLCNIC_CMD_STOP_NIC_FUNC); |
| 528 | struct qlcnic_cmd_args cmd; |
| 529 | int err; |
| 530 | |
| 531 | err = qlcnic_alloc_mbx_args(&cmd, adapter, val); |
| 532 | if (err) |
| 533 | return err; |
| 534 | |
| 535 | cmd.req.arg[1] = QLC_DCB_AEN_BIT; |
| 536 | |
| 537 | err = qlcnic_issue_cmd(adapter, &cmd); |
| 538 | if (err) |
| 539 | dev_err(&adapter->pdev->dev, "Failed to %s DCBX AEN, err %d\n", |
| 540 | (flag ? "register" : "unregister"), err); |
| 541 | |
| 542 | qlcnic_free_mbx_args(&cmd); |
| 543 | |
| 544 | return err; |
| 545 | } |
| 546 | |
| 547 | static void qlcnic_83xx_dcb_handle_aen(struct qlcnic_adapter *adapter, |
| 548 | void *data) |
| 549 | { |
| 550 | struct qlcnic_dcb *dcb = adapter->dcb; |
| 551 | u32 *val = data; |
| 552 | |
| 553 | if (test_and_set_bit(__QLCNIC_DCB_IN_AEN, &adapter->state)) |
| 554 | return; |
| 555 | |
| 556 | if (*val & BIT_8) |
| 557 | set_bit(__QLCNIC_DCB_STATE, &adapter->state); |
| 558 | else |
| 559 | clear_bit(__QLCNIC_DCB_STATE, &adapter->state); |
| 560 | |
| 561 | queue_delayed_work(dcb->wq, &dcb->aen_work, 0); |
| 562 | } |