Rajesh Borundia | 02feda1 | 2013-03-29 05:46:33 +0000 | [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 | |
| 8 | #include "qlcnic_sriov.h" |
| 9 | #include "qlcnic.h" |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 10 | #include "qlcnic_83xx_hw.h" |
Rajesh Borundia | 02feda1 | 2013-03-29 05:46:33 +0000 | [diff] [blame] | 11 | #include <linux/types.h> |
| 12 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 13 | #define QLC_BC_COMMAND 0 |
| 14 | #define QLC_BC_RESPONSE 1 |
| 15 | |
| 16 | #define QLC_MBOX_RESP_TIMEOUT (10 * HZ) |
| 17 | #define QLC_MBOX_CH_FREE_TIMEOUT (10 * HZ) |
| 18 | |
| 19 | #define QLC_BC_MSG 0 |
| 20 | #define QLC_BC_CFREE 1 |
Rajesh Borundia | 97d8105 | 2013-04-19 07:01:09 +0000 | [diff] [blame] | 21 | #define QLC_BC_FLR 2 |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 22 | #define QLC_BC_HDR_SZ 16 |
| 23 | #define QLC_BC_PAYLOAD_SZ (1024 - QLC_BC_HDR_SZ) |
| 24 | |
Rajesh Borundia | 7cb03b2 | 2013-03-29 05:46:37 +0000 | [diff] [blame] | 25 | #define QLC_DEFAULT_RCV_DESCRIPTORS_SRIOV_VF 2048 |
| 26 | #define QLC_DEFAULT_JUMBO_RCV_DESCRIPTORS_SRIOV_VF 512 |
| 27 | |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 28 | #define QLC_83XX_VF_RESET_FAIL_THRESH 8 |
| 29 | #define QLC_BC_CMD_MAX_RETRY_CNT 5 |
| 30 | |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 31 | static void qlcnic_sriov_vf_free_mac_list(struct qlcnic_adapter *); |
| 32 | static int qlcnic_sriov_alloc_bc_mbx_args(struct qlcnic_cmd_args *, u32); |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 33 | static void qlcnic_sriov_vf_poll_dev_state(struct work_struct *); |
| 34 | static void qlcnic_sriov_vf_cancel_fw_work(struct qlcnic_adapter *); |
Rajesh Borundia | 97d8105 | 2013-04-19 07:01:09 +0000 | [diff] [blame] | 35 | static void qlcnic_sriov_cleanup_transaction(struct qlcnic_bc_trans *); |
Manish Chopra | e5c4e6c | 2013-08-02 00:57:40 -0400 | [diff] [blame] | 36 | static int qlcnic_sriov_issue_cmd(struct qlcnic_adapter *, |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 37 | struct qlcnic_cmd_args *); |
stephen hemminger | 2104140 | 2014-01-16 10:31:27 -0800 | [diff] [blame] | 38 | static int qlcnic_sriov_channel_cfg_cmd(struct qlcnic_adapter *, u8); |
Sucheta Chakraborty | 1267ff9 | 2013-05-23 21:04:29 +0000 | [diff] [blame] | 39 | static void qlcnic_sriov_process_bc_cmd(struct work_struct *); |
stephen hemminger | 2104140 | 2014-01-16 10:31:27 -0800 | [diff] [blame] | 40 | static int qlcnic_sriov_vf_shutdown(struct pci_dev *); |
| 41 | static int qlcnic_sriov_vf_resume(struct qlcnic_adapter *); |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 42 | static int qlcnic_sriov_async_issue_cmd(struct qlcnic_adapter *, |
| 43 | struct qlcnic_cmd_args *); |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 44 | |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 45 | static struct qlcnic_hardware_ops qlcnic_sriov_vf_hw_ops = { |
| 46 | .read_crb = qlcnic_83xx_read_crb, |
| 47 | .write_crb = qlcnic_83xx_write_crb, |
| 48 | .read_reg = qlcnic_83xx_rd_reg_indirect, |
| 49 | .write_reg = qlcnic_83xx_wrt_reg_indirect, |
| 50 | .get_mac_address = qlcnic_83xx_get_mac_address, |
| 51 | .setup_intr = qlcnic_83xx_setup_intr, |
| 52 | .alloc_mbx_args = qlcnic_83xx_alloc_mbx_args, |
Manish Chopra | e5c4e6c | 2013-08-02 00:57:40 -0400 | [diff] [blame] | 53 | .mbx_cmd = qlcnic_sriov_issue_cmd, |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 54 | .get_func_no = qlcnic_83xx_get_func_no, |
| 55 | .api_lock = qlcnic_83xx_cam_lock, |
| 56 | .api_unlock = qlcnic_83xx_cam_unlock, |
| 57 | .process_lb_rcv_ring_diag = qlcnic_83xx_process_rcv_ring_diag, |
| 58 | .create_rx_ctx = qlcnic_83xx_create_rx_ctx, |
| 59 | .create_tx_ctx = qlcnic_83xx_create_tx_ctx, |
Rajesh Borundia | 7cb03b2 | 2013-03-29 05:46:37 +0000 | [diff] [blame] | 60 | .del_rx_ctx = qlcnic_83xx_del_rx_ctx, |
| 61 | .del_tx_ctx = qlcnic_83xx_del_tx_ctx, |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 62 | .setup_link_event = qlcnic_83xx_setup_link_event, |
| 63 | .get_nic_info = qlcnic_83xx_get_nic_info, |
| 64 | .get_pci_info = qlcnic_83xx_get_pci_info, |
| 65 | .set_nic_info = qlcnic_83xx_set_nic_info, |
| 66 | .change_macvlan = qlcnic_83xx_sre_macaddr_change, |
| 67 | .napi_enable = qlcnic_83xx_napi_enable, |
| 68 | .napi_disable = qlcnic_83xx_napi_disable, |
| 69 | .config_intr_coal = qlcnic_83xx_config_intr_coal, |
| 70 | .config_rss = qlcnic_83xx_config_rss, |
| 71 | .config_hw_lro = qlcnic_83xx_config_hw_lro, |
| 72 | .config_promisc_mode = qlcnic_83xx_nic_set_promisc, |
| 73 | .change_l2_filter = qlcnic_83xx_change_l2_filter, |
| 74 | .get_board_info = qlcnic_83xx_get_port_info, |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 75 | .free_mac_list = qlcnic_sriov_vf_free_mac_list, |
Manish chopra | 2cc5752 | 2014-01-23 17:18:30 -0500 | [diff] [blame] | 76 | .enable_sds_intr = qlcnic_83xx_enable_sds_intr, |
| 77 | .disable_sds_intr = qlcnic_83xx_disable_sds_intr, |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 78 | }; |
| 79 | |
| 80 | static struct qlcnic_nic_template qlcnic_sriov_vf_ops = { |
| 81 | .config_bridged_mode = qlcnic_config_bridged_mode, |
| 82 | .config_led = qlcnic_config_led, |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 83 | .cancel_idc_work = qlcnic_sriov_vf_cancel_fw_work, |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 84 | .napi_add = qlcnic_83xx_napi_add, |
| 85 | .napi_del = qlcnic_83xx_napi_del, |
Rajesh Borundia | 486a5bc | 2013-06-22 04:12:06 -0400 | [diff] [blame] | 86 | .shutdown = qlcnic_sriov_vf_shutdown, |
| 87 | .resume = qlcnic_sriov_vf_resume, |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 88 | .config_ipaddr = qlcnic_83xx_config_ipaddr, |
| 89 | .clear_legacy_intr = qlcnic_83xx_clear_legacy_intr, |
| 90 | }; |
| 91 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 92 | static const struct qlcnic_mailbox_metadata qlcnic_sriov_bc_mbx_tbl[] = { |
| 93 | {QLCNIC_BC_CMD_CHANNEL_INIT, 2, 2}, |
| 94 | {QLCNIC_BC_CMD_CHANNEL_TERM, 2, 2}, |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 95 | {QLCNIC_BC_CMD_GET_ACL, 3, 14}, |
| 96 | {QLCNIC_BC_CMD_CFG_GUEST_VLAN, 2, 2}, |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 97 | }; |
| 98 | |
| 99 | static inline bool qlcnic_sriov_bc_msg_check(u32 val) |
| 100 | { |
| 101 | return (val & (1 << QLC_BC_MSG)) ? true : false; |
| 102 | } |
| 103 | |
| 104 | static inline bool qlcnic_sriov_channel_free_check(u32 val) |
| 105 | { |
| 106 | return (val & (1 << QLC_BC_CFREE)) ? true : false; |
| 107 | } |
| 108 | |
Rajesh Borundia | 97d8105 | 2013-04-19 07:01:09 +0000 | [diff] [blame] | 109 | static inline bool qlcnic_sriov_flr_check(u32 val) |
| 110 | { |
| 111 | return (val & (1 << QLC_BC_FLR)) ? true : false; |
| 112 | } |
| 113 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 114 | static inline u8 qlcnic_sriov_target_func_id(u32 val) |
| 115 | { |
| 116 | return (val >> 4) & 0xff; |
| 117 | } |
| 118 | |
| 119 | static int qlcnic_sriov_virtid_fn(struct qlcnic_adapter *adapter, int vf_id) |
| 120 | { |
| 121 | struct pci_dev *dev = adapter->pdev; |
| 122 | int pos; |
| 123 | u16 stride, offset; |
| 124 | |
| 125 | if (qlcnic_sriov_vf_check(adapter)) |
| 126 | return 0; |
| 127 | |
| 128 | pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_SRIOV); |
| 129 | pci_read_config_word(dev, pos + PCI_SRIOV_VF_OFFSET, &offset); |
| 130 | pci_read_config_word(dev, pos + PCI_SRIOV_VF_STRIDE, &stride); |
| 131 | |
| 132 | return (dev->devfn + offset + stride * vf_id) & 0xff; |
| 133 | } |
| 134 | |
Rajesh Borundia | 02feda1 | 2013-03-29 05:46:33 +0000 | [diff] [blame] | 135 | int qlcnic_sriov_init(struct qlcnic_adapter *adapter, int num_vfs) |
| 136 | { |
| 137 | struct qlcnic_sriov *sriov; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 138 | struct qlcnic_back_channel *bc; |
| 139 | struct workqueue_struct *wq; |
| 140 | struct qlcnic_vport *vp; |
| 141 | struct qlcnic_vf_info *vf; |
| 142 | int err, i; |
Rajesh Borundia | 02feda1 | 2013-03-29 05:46:33 +0000 | [diff] [blame] | 143 | |
| 144 | if (!qlcnic_sriov_enable_check(adapter)) |
| 145 | return -EIO; |
| 146 | |
| 147 | sriov = kzalloc(sizeof(struct qlcnic_sriov), GFP_KERNEL); |
| 148 | if (!sriov) |
| 149 | return -ENOMEM; |
| 150 | |
| 151 | adapter->ahw->sriov = sriov; |
| 152 | sriov->num_vfs = num_vfs; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 153 | bc = &sriov->bc; |
| 154 | sriov->vf_info = kzalloc(sizeof(struct qlcnic_vf_info) * |
| 155 | num_vfs, GFP_KERNEL); |
| 156 | if (!sriov->vf_info) { |
| 157 | err = -ENOMEM; |
| 158 | goto qlcnic_free_sriov; |
| 159 | } |
| 160 | |
| 161 | wq = create_singlethread_workqueue("bc-trans"); |
| 162 | if (wq == NULL) { |
| 163 | err = -ENOMEM; |
| 164 | dev_err(&adapter->pdev->dev, |
| 165 | "Cannot create bc-trans workqueue\n"); |
| 166 | goto qlcnic_free_vf_info; |
| 167 | } |
| 168 | |
| 169 | bc->bc_trans_wq = wq; |
| 170 | |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 171 | wq = create_singlethread_workqueue("async"); |
| 172 | if (wq == NULL) { |
| 173 | err = -ENOMEM; |
| 174 | dev_err(&adapter->pdev->dev, "Cannot create async workqueue\n"); |
| 175 | goto qlcnic_destroy_trans_wq; |
| 176 | } |
| 177 | |
| 178 | bc->bc_async_wq = wq; |
| 179 | INIT_LIST_HEAD(&bc->async_list); |
| 180 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 181 | for (i = 0; i < num_vfs; i++) { |
| 182 | vf = &sriov->vf_info[i]; |
| 183 | vf->adapter = adapter; |
| 184 | vf->pci_func = qlcnic_sriov_virtid_fn(adapter, i); |
| 185 | mutex_init(&vf->send_cmd_lock); |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 186 | spin_lock_init(&vf->vlan_list_lock); |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 187 | INIT_LIST_HEAD(&vf->rcv_act.wait_list); |
| 188 | INIT_LIST_HEAD(&vf->rcv_pend.wait_list); |
| 189 | spin_lock_init(&vf->rcv_act.lock); |
| 190 | spin_lock_init(&vf->rcv_pend.lock); |
| 191 | init_completion(&vf->ch_free_cmpl); |
| 192 | |
Sucheta Chakraborty | 1267ff9 | 2013-05-23 21:04:29 +0000 | [diff] [blame] | 193 | INIT_WORK(&vf->trans_work, qlcnic_sriov_process_bc_cmd); |
| 194 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 195 | if (qlcnic_sriov_pf_check(adapter)) { |
| 196 | vp = kzalloc(sizeof(struct qlcnic_vport), GFP_KERNEL); |
| 197 | if (!vp) { |
| 198 | err = -ENOMEM; |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 199 | goto qlcnic_destroy_async_wq; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 200 | } |
| 201 | sriov->vf_info[i].vp = vp; |
Rajesh Borundia | d747c33 | 2014-05-09 02:51:31 -0400 | [diff] [blame] | 202 | vp->vlan_mode = QLC_GUEST_VLAN_MODE; |
Rajesh Borundia | 4000e7a | 2013-04-19 07:01:11 +0000 | [diff] [blame] | 203 | vp->max_tx_bw = MAX_BW; |
Sucheta Chakraborty | ed61668 | 2014-05-22 09:59:05 -0400 | [diff] [blame] | 204 | vp->min_tx_bw = MIN_BW; |
Rajesh Borundia | 132a3f2 | 2014-05-09 02:51:29 -0400 | [diff] [blame] | 205 | vp->spoofchk = false; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 206 | random_ether_addr(vp->mac); |
| 207 | dev_info(&adapter->pdev->dev, |
| 208 | "MAC Address %pM is configured for VF %d\n", |
| 209 | vp->mac, i); |
| 210 | } |
| 211 | } |
| 212 | |
Rajesh Borundia | 02feda1 | 2013-03-29 05:46:33 +0000 | [diff] [blame] | 213 | return 0; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 214 | |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 215 | qlcnic_destroy_async_wq: |
| 216 | destroy_workqueue(bc->bc_async_wq); |
| 217 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 218 | qlcnic_destroy_trans_wq: |
| 219 | destroy_workqueue(bc->bc_trans_wq); |
| 220 | |
| 221 | qlcnic_free_vf_info: |
| 222 | kfree(sriov->vf_info); |
| 223 | |
| 224 | qlcnic_free_sriov: |
| 225 | kfree(adapter->ahw->sriov); |
| 226 | return err; |
Rajesh Borundia | 02feda1 | 2013-03-29 05:46:33 +0000 | [diff] [blame] | 227 | } |
| 228 | |
Rajesh Borundia | 97d8105 | 2013-04-19 07:01:09 +0000 | [diff] [blame] | 229 | void qlcnic_sriov_cleanup_list(struct qlcnic_trans_list *t_list) |
| 230 | { |
| 231 | struct qlcnic_bc_trans *trans; |
| 232 | struct qlcnic_cmd_args cmd; |
| 233 | unsigned long flags; |
| 234 | |
| 235 | spin_lock_irqsave(&t_list->lock, flags); |
| 236 | |
| 237 | while (!list_empty(&t_list->wait_list)) { |
| 238 | trans = list_first_entry(&t_list->wait_list, |
| 239 | struct qlcnic_bc_trans, list); |
| 240 | list_del(&trans->list); |
| 241 | t_list->count--; |
| 242 | cmd.req.arg = (u32 *)trans->req_pay; |
| 243 | cmd.rsp.arg = (u32 *)trans->rsp_pay; |
| 244 | qlcnic_free_mbx_args(&cmd); |
| 245 | qlcnic_sriov_cleanup_transaction(trans); |
| 246 | } |
| 247 | |
| 248 | spin_unlock_irqrestore(&t_list->lock, flags); |
| 249 | } |
| 250 | |
Rajesh Borundia | 02feda1 | 2013-03-29 05:46:33 +0000 | [diff] [blame] | 251 | void __qlcnic_sriov_cleanup(struct qlcnic_adapter *adapter) |
| 252 | { |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 253 | struct qlcnic_sriov *sriov = adapter->ahw->sriov; |
| 254 | struct qlcnic_back_channel *bc = &sriov->bc; |
Rajesh Borundia | 97d8105 | 2013-04-19 07:01:09 +0000 | [diff] [blame] | 255 | struct qlcnic_vf_info *vf; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 256 | int i; |
| 257 | |
Rajesh Borundia | 02feda1 | 2013-03-29 05:46:33 +0000 | [diff] [blame] | 258 | if (!qlcnic_sriov_enable_check(adapter)) |
| 259 | return; |
| 260 | |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 261 | qlcnic_sriov_cleanup_async_list(bc); |
| 262 | destroy_workqueue(bc->bc_async_wq); |
Rajesh Borundia | 97d8105 | 2013-04-19 07:01:09 +0000 | [diff] [blame] | 263 | |
| 264 | for (i = 0; i < sriov->num_vfs; i++) { |
| 265 | vf = &sriov->vf_info[i]; |
| 266 | qlcnic_sriov_cleanup_list(&vf->rcv_pend); |
| 267 | cancel_work_sync(&vf->trans_work); |
| 268 | qlcnic_sriov_cleanup_list(&vf->rcv_act); |
| 269 | } |
| 270 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 271 | destroy_workqueue(bc->bc_trans_wq); |
| 272 | |
| 273 | for (i = 0; i < sriov->num_vfs; i++) |
| 274 | kfree(sriov->vf_info[i].vp); |
| 275 | |
| 276 | kfree(sriov->vf_info); |
Rajesh Borundia | 02feda1 | 2013-03-29 05:46:33 +0000 | [diff] [blame] | 277 | kfree(adapter->ahw->sriov); |
| 278 | } |
| 279 | |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 280 | static void qlcnic_sriov_vf_cleanup(struct qlcnic_adapter *adapter) |
| 281 | { |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 282 | qlcnic_sriov_channel_cfg_cmd(adapter, QLCNIC_BC_CMD_CHANNEL_TERM); |
| 283 | qlcnic_sriov_cfg_bc_intr(adapter, 0); |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 284 | __qlcnic_sriov_cleanup(adapter); |
| 285 | } |
| 286 | |
Rajesh Borundia | 02feda1 | 2013-03-29 05:46:33 +0000 | [diff] [blame] | 287 | void qlcnic_sriov_cleanup(struct qlcnic_adapter *adapter) |
| 288 | { |
Manish Chopra | 6e1f586 | 2014-01-10 11:48:57 -0500 | [diff] [blame] | 289 | if (!test_bit(__QLCNIC_SRIOV_ENABLE, &adapter->state)) |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 290 | return; |
| 291 | |
| 292 | qlcnic_sriov_free_vlans(adapter); |
| 293 | |
Rajesh Borundia | 02feda1 | 2013-03-29 05:46:33 +0000 | [diff] [blame] | 294 | if (qlcnic_sriov_pf_check(adapter)) |
| 295 | qlcnic_sriov_pf_cleanup(adapter); |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 296 | |
| 297 | if (qlcnic_sriov_vf_check(adapter)) |
| 298 | qlcnic_sriov_vf_cleanup(adapter); |
| 299 | } |
| 300 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 301 | static int qlcnic_sriov_post_bc_msg(struct qlcnic_adapter *adapter, u32 *hdr, |
| 302 | u32 *pay, u8 pci_func, u8 size) |
| 303 | { |
| 304 | struct qlcnic_hardware_context *ahw = adapter->ahw; |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 305 | struct qlcnic_mailbox *mbx = ahw->mailbox; |
| 306 | struct qlcnic_cmd_args cmd; |
| 307 | unsigned long timeout; |
| 308 | int err; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 309 | |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 310 | memset(&cmd, 0, sizeof(struct qlcnic_cmd_args)); |
| 311 | cmd.hdr = hdr; |
| 312 | cmd.pay = pay; |
| 313 | cmd.pay_size = size; |
| 314 | cmd.func_num = pci_func; |
| 315 | cmd.op_type = QLC_83XX_MBX_POST_BC_OP; |
| 316 | cmd.cmd_op = ((struct qlcnic_bc_hdr *)hdr)->cmd_op; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 317 | |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 318 | err = mbx->ops->enqueue_cmd(adapter, &cmd, &timeout); |
| 319 | if (err) { |
| 320 | dev_err(&adapter->pdev->dev, |
| 321 | "%s: Mailbox not available, cmd_op=0x%x, cmd_type=0x%x, pci_func=0x%x, op_mode=0x%x\n", |
| 322 | __func__, cmd.cmd_op, cmd.type, ahw->pci_func, |
| 323 | ahw->op_mode); |
| 324 | return err; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 325 | } |
| 326 | |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 327 | if (!wait_for_completion_timeout(&cmd.completion, timeout)) { |
| 328 | dev_err(&adapter->pdev->dev, |
| 329 | "%s: Mailbox command timed out, cmd_op=0x%x, cmd_type=0x%x, pci_func=0x%x, op_mode=0x%x\n", |
| 330 | __func__, cmd.cmd_op, cmd.type, ahw->pci_func, |
| 331 | ahw->op_mode); |
| 332 | flush_workqueue(mbx->work_q); |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 333 | } |
| 334 | |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 335 | return cmd.rsp_opcode; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 336 | } |
| 337 | |
Rajesh Borundia | 7cb03b2 | 2013-03-29 05:46:37 +0000 | [diff] [blame] | 338 | static void qlcnic_sriov_vf_cfg_buff_desc(struct qlcnic_adapter *adapter) |
| 339 | { |
| 340 | adapter->num_rxd = QLC_DEFAULT_RCV_DESCRIPTORS_SRIOV_VF; |
| 341 | adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G; |
| 342 | adapter->num_jumbo_rxd = QLC_DEFAULT_JUMBO_RCV_DESCRIPTORS_SRIOV_VF; |
| 343 | adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; |
| 344 | adapter->num_txd = MAX_CMD_DESCRIPTORS; |
| 345 | adapter->max_rds_rings = MAX_RDS_RINGS; |
| 346 | } |
| 347 | |
Rajesh Borundia | 4000e7a | 2013-04-19 07:01:11 +0000 | [diff] [blame] | 348 | int qlcnic_sriov_get_vf_vport_info(struct qlcnic_adapter *adapter, |
| 349 | struct qlcnic_info *npar_info, u16 vport_id) |
| 350 | { |
| 351 | struct device *dev = &adapter->pdev->dev; |
| 352 | struct qlcnic_cmd_args cmd; |
| 353 | int err; |
| 354 | u32 status; |
| 355 | |
| 356 | err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_NIC_INFO); |
| 357 | if (err) |
| 358 | return err; |
| 359 | |
| 360 | cmd.req.arg[1] = vport_id << 16 | 0x1; |
| 361 | err = qlcnic_issue_cmd(adapter, &cmd); |
| 362 | if (err) { |
| 363 | dev_err(&adapter->pdev->dev, |
| 364 | "Failed to get vport info, err=%d\n", err); |
| 365 | qlcnic_free_mbx_args(&cmd); |
| 366 | return err; |
| 367 | } |
| 368 | |
| 369 | status = cmd.rsp.arg[2] & 0xffff; |
| 370 | if (status & BIT_0) |
| 371 | npar_info->min_tx_bw = MSW(cmd.rsp.arg[2]); |
| 372 | if (status & BIT_1) |
| 373 | npar_info->max_tx_bw = LSW(cmd.rsp.arg[3]); |
| 374 | if (status & BIT_2) |
| 375 | npar_info->max_tx_ques = MSW(cmd.rsp.arg[3]); |
| 376 | if (status & BIT_3) |
| 377 | npar_info->max_tx_mac_filters = LSW(cmd.rsp.arg[4]); |
| 378 | if (status & BIT_4) |
| 379 | npar_info->max_rx_mcast_mac_filters = MSW(cmd.rsp.arg[4]); |
| 380 | if (status & BIT_5) |
| 381 | npar_info->max_rx_ucast_mac_filters = LSW(cmd.rsp.arg[5]); |
| 382 | if (status & BIT_6) |
| 383 | npar_info->max_rx_ip_addr = MSW(cmd.rsp.arg[5]); |
| 384 | if (status & BIT_7) |
| 385 | npar_info->max_rx_lro_flow = LSW(cmd.rsp.arg[6]); |
| 386 | if (status & BIT_8) |
| 387 | npar_info->max_rx_status_rings = MSW(cmd.rsp.arg[6]); |
| 388 | if (status & BIT_9) |
| 389 | npar_info->max_rx_buf_rings = LSW(cmd.rsp.arg[7]); |
| 390 | |
| 391 | npar_info->max_rx_ques = MSW(cmd.rsp.arg[7]); |
| 392 | npar_info->max_tx_vlan_keys = LSW(cmd.rsp.arg[8]); |
| 393 | npar_info->max_local_ipv6_addrs = MSW(cmd.rsp.arg[8]); |
| 394 | npar_info->max_remote_ipv6_addrs = LSW(cmd.rsp.arg[9]); |
| 395 | |
| 396 | dev_info(dev, "\n\tmin_tx_bw: %d, max_tx_bw: %d max_tx_ques: %d,\n" |
| 397 | "\tmax_tx_mac_filters: %d max_rx_mcast_mac_filters: %d,\n" |
| 398 | "\tmax_rx_ucast_mac_filters: 0x%x, max_rx_ip_addr: %d,\n" |
| 399 | "\tmax_rx_lro_flow: %d max_rx_status_rings: %d,\n" |
| 400 | "\tmax_rx_buf_rings: %d, max_rx_ques: %d, max_tx_vlan_keys %d\n" |
| 401 | "\tlocal_ipv6_addr: %d, remote_ipv6_addr: %d\n", |
| 402 | npar_info->min_tx_bw, npar_info->max_tx_bw, |
| 403 | npar_info->max_tx_ques, npar_info->max_tx_mac_filters, |
| 404 | npar_info->max_rx_mcast_mac_filters, |
| 405 | npar_info->max_rx_ucast_mac_filters, npar_info->max_rx_ip_addr, |
| 406 | npar_info->max_rx_lro_flow, npar_info->max_rx_status_rings, |
| 407 | npar_info->max_rx_buf_rings, npar_info->max_rx_ques, |
| 408 | npar_info->max_tx_vlan_keys, npar_info->max_local_ipv6_addrs, |
| 409 | npar_info->max_remote_ipv6_addrs); |
| 410 | |
| 411 | qlcnic_free_mbx_args(&cmd); |
| 412 | return err; |
| 413 | } |
| 414 | |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 415 | static int qlcnic_sriov_set_pvid_mode(struct qlcnic_adapter *adapter, |
Manish Chopra | 991ca26 | 2013-08-30 13:51:16 -0400 | [diff] [blame] | 416 | struct qlcnic_cmd_args *cmd) |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 417 | { |
Manish Chopra | 991ca26 | 2013-08-30 13:51:16 -0400 | [diff] [blame] | 418 | adapter->rx_pvid = MSW(cmd->rsp.arg[1]) & 0xffff; |
| 419 | adapter->flags &= ~QLCNIC_TAGGING_ENABLED; |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 420 | return 0; |
| 421 | } |
| 422 | |
| 423 | static int qlcnic_sriov_set_guest_vlan_mode(struct qlcnic_adapter *adapter, |
| 424 | struct qlcnic_cmd_args *cmd) |
| 425 | { |
| 426 | struct qlcnic_sriov *sriov = adapter->ahw->sriov; |
| 427 | int i, num_vlans; |
| 428 | u16 *vlans; |
| 429 | |
| 430 | if (sriov->allowed_vlans) |
| 431 | return 0; |
| 432 | |
| 433 | sriov->any_vlan = cmd->rsp.arg[2] & 0xf; |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 434 | sriov->num_allowed_vlans = cmd->rsp.arg[2] >> 16; |
| 435 | dev_info(&adapter->pdev->dev, "Number of allowed Guest VLANs = %d\n", |
| 436 | sriov->num_allowed_vlans); |
| 437 | |
| 438 | qlcnic_sriov_alloc_vlans(adapter); |
| 439 | |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 440 | if (!sriov->any_vlan) |
| 441 | return 0; |
| 442 | |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 443 | num_vlans = sriov->num_allowed_vlans; |
| 444 | sriov->allowed_vlans = kzalloc(sizeof(u16) * num_vlans, GFP_KERNEL); |
| 445 | if (!sriov->allowed_vlans) |
| 446 | return -ENOMEM; |
| 447 | |
| 448 | vlans = (u16 *)&cmd->rsp.arg[3]; |
| 449 | for (i = 0; i < num_vlans; i++) |
| 450 | sriov->allowed_vlans[i] = vlans[i]; |
| 451 | |
| 452 | return 0; |
| 453 | } |
| 454 | |
Rajesh Borundia | bcf6cb1 | 2014-01-28 11:55:28 -0500 | [diff] [blame] | 455 | static int qlcnic_sriov_get_vf_acl(struct qlcnic_adapter *adapter) |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 456 | { |
| 457 | struct qlcnic_sriov *sriov = adapter->ahw->sriov; |
| 458 | struct qlcnic_cmd_args cmd; |
Manish Chopra | 991ca26 | 2013-08-30 13:51:16 -0400 | [diff] [blame] | 459 | int ret = 0; |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 460 | |
Rajesh Borundia | c531692 | 2014-06-04 03:40:54 -0400 | [diff] [blame] | 461 | memset(&cmd, 0, sizeof(cmd)); |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 462 | ret = qlcnic_sriov_alloc_bc_mbx_args(&cmd, QLCNIC_BC_CMD_GET_ACL); |
| 463 | if (ret) |
| 464 | return ret; |
| 465 | |
| 466 | ret = qlcnic_issue_cmd(adapter, &cmd); |
| 467 | if (ret) { |
| 468 | dev_err(&adapter->pdev->dev, "Failed to get ACL, err=%d\n", |
| 469 | ret); |
| 470 | } else { |
| 471 | sriov->vlan_mode = cmd.rsp.arg[1] & 0x3; |
| 472 | switch (sriov->vlan_mode) { |
| 473 | case QLC_GUEST_VLAN_MODE: |
| 474 | ret = qlcnic_sriov_set_guest_vlan_mode(adapter, &cmd); |
| 475 | break; |
| 476 | case QLC_PVID_MODE: |
Manish Chopra | 991ca26 | 2013-08-30 13:51:16 -0400 | [diff] [blame] | 477 | ret = qlcnic_sriov_set_pvid_mode(adapter, &cmd); |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 478 | break; |
| 479 | } |
| 480 | } |
| 481 | |
| 482 | qlcnic_free_mbx_args(&cmd); |
| 483 | return ret; |
| 484 | } |
| 485 | |
Rajesh Borundia | 7cb03b2 | 2013-03-29 05:46:37 +0000 | [diff] [blame] | 486 | static int qlcnic_sriov_vf_init_driver(struct qlcnic_adapter *adapter) |
| 487 | { |
Rajesh Borundia | 7cb03b2 | 2013-03-29 05:46:37 +0000 | [diff] [blame] | 488 | struct qlcnic_hardware_context *ahw = adapter->ahw; |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 489 | struct qlcnic_info nic_info; |
Rajesh Borundia | 7cb03b2 | 2013-03-29 05:46:37 +0000 | [diff] [blame] | 490 | int err; |
| 491 | |
Rajesh Borundia | 4000e7a | 2013-04-19 07:01:11 +0000 | [diff] [blame] | 492 | err = qlcnic_sriov_get_vf_vport_info(adapter, &nic_info, 0); |
| 493 | if (err) |
| 494 | return err; |
| 495 | |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 496 | ahw->max_mc_count = nic_info.max_rx_mcast_mac_filters; |
| 497 | |
Rajesh Borundia | 7cb03b2 | 2013-03-29 05:46:37 +0000 | [diff] [blame] | 498 | err = qlcnic_get_nic_info(adapter, &nic_info, ahw->pci_func); |
| 499 | if (err) |
| 500 | return -EIO; |
| 501 | |
| 502 | if (qlcnic_83xx_get_port_info(adapter)) |
| 503 | return -EIO; |
| 504 | |
| 505 | qlcnic_sriov_vf_cfg_buff_desc(adapter); |
| 506 | adapter->flags |= QLCNIC_ADAPTER_INITIALIZED; |
| 507 | dev_info(&adapter->pdev->dev, "HAL Version: %d\n", |
| 508 | adapter->ahw->fw_hal_version); |
| 509 | |
| 510 | ahw->physical_port = (u8) nic_info.phys_port; |
| 511 | ahw->switch_mode = nic_info.switch_mode; |
| 512 | ahw->max_mtu = nic_info.max_mtu; |
| 513 | ahw->op_mode = nic_info.op_mode; |
| 514 | ahw->capabilities = nic_info.capabilities; |
| 515 | return 0; |
| 516 | } |
| 517 | |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 518 | static int qlcnic_sriov_setup_vf(struct qlcnic_adapter *adapter, |
| 519 | int pci_using_dac) |
| 520 | { |
| 521 | int err; |
| 522 | |
Rajesh Borundia | d747c33 | 2014-05-09 02:51:31 -0400 | [diff] [blame] | 523 | adapter->flags |= QLCNIC_VLAN_FILTERING; |
| 524 | adapter->ahw->total_nic_func = 1; |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 525 | INIT_LIST_HEAD(&adapter->vf_mc_list); |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 526 | if (!qlcnic_use_msi_x && !!qlcnic_use_msi) |
| 527 | dev_warn(&adapter->pdev->dev, |
Pratik Pujar | 01b91f4 | 2013-08-02 23:15:57 -0400 | [diff] [blame] | 528 | "Device does not support MSI interrupts\n"); |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 529 | |
Himanshu Madhani | 34e8c40 | 2013-11-04 13:31:31 -0500 | [diff] [blame] | 530 | /* compute and set default and max tx/sds rings */ |
| 531 | qlcnic_set_tx_ring_count(adapter, QLCNIC_SINGLE_RING); |
| 532 | qlcnic_set_sds_ring_count(adapter, QLCNIC_SINGLE_RING); |
| 533 | |
| 534 | err = qlcnic_setup_intr(adapter); |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 535 | if (err) { |
| 536 | dev_err(&adapter->pdev->dev, "Failed to setup interrupt\n"); |
| 537 | goto err_out_disable_msi; |
| 538 | } |
| 539 | |
| 540 | err = qlcnic_83xx_setup_mbx_intr(adapter); |
| 541 | if (err) |
| 542 | goto err_out_disable_msi; |
| 543 | |
| 544 | err = qlcnic_sriov_init(adapter, 1); |
| 545 | if (err) |
| 546 | goto err_out_disable_mbx_intr; |
| 547 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 548 | err = qlcnic_sriov_cfg_bc_intr(adapter, 1); |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 549 | if (err) |
| 550 | goto err_out_cleanup_sriov; |
| 551 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 552 | err = qlcnic_sriov_channel_cfg_cmd(adapter, QLCNIC_BC_CMD_CHANNEL_INIT); |
| 553 | if (err) |
| 554 | goto err_out_disable_bc_intr; |
| 555 | |
Rajesh Borundia | 7cb03b2 | 2013-03-29 05:46:37 +0000 | [diff] [blame] | 556 | err = qlcnic_sriov_vf_init_driver(adapter); |
| 557 | if (err) |
| 558 | goto err_out_send_channel_term; |
| 559 | |
Rajesh Borundia | bcf6cb1 | 2014-01-28 11:55:28 -0500 | [diff] [blame] | 560 | err = qlcnic_sriov_get_vf_acl(adapter); |
| 561 | if (err) |
| 562 | goto err_out_send_channel_term; |
| 563 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 564 | err = qlcnic_setup_netdev(adapter, adapter->netdev, pci_using_dac); |
| 565 | if (err) |
| 566 | goto err_out_send_channel_term; |
| 567 | |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 568 | pci_set_drvdata(adapter->pdev, adapter); |
| 569 | dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n", |
| 570 | adapter->netdev->name); |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 571 | |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 572 | qlcnic_schedule_work(adapter, qlcnic_sriov_vf_poll_dev_state, |
| 573 | adapter->ahw->idc.delay); |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 574 | return 0; |
| 575 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 576 | err_out_send_channel_term: |
| 577 | qlcnic_sriov_channel_cfg_cmd(adapter, QLCNIC_BC_CMD_CHANNEL_TERM); |
| 578 | |
| 579 | err_out_disable_bc_intr: |
| 580 | qlcnic_sriov_cfg_bc_intr(adapter, 0); |
| 581 | |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 582 | err_out_cleanup_sriov: |
| 583 | __qlcnic_sriov_cleanup(adapter); |
| 584 | |
| 585 | err_out_disable_mbx_intr: |
| 586 | qlcnic_83xx_free_mbx_intr(adapter); |
| 587 | |
| 588 | err_out_disable_msi: |
| 589 | qlcnic_teardown_intr(adapter); |
| 590 | return err; |
| 591 | } |
| 592 | |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 593 | static int qlcnic_sriov_check_dev_ready(struct qlcnic_adapter *adapter) |
| 594 | { |
| 595 | u32 state; |
| 596 | |
| 597 | do { |
| 598 | msleep(20); |
| 599 | if (++adapter->fw_fail_cnt > QLC_BC_CMD_MAX_RETRY_CNT) |
| 600 | return -EIO; |
| 601 | state = QLCRDX(adapter->ahw, QLC_83XX_IDC_DEV_STATE); |
| 602 | } while (state != QLC_83XX_IDC_DEV_READY); |
| 603 | |
| 604 | return 0; |
| 605 | } |
| 606 | |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 607 | int qlcnic_sriov_vf_init(struct qlcnic_adapter *adapter, int pci_using_dac) |
| 608 | { |
| 609 | struct qlcnic_hardware_context *ahw = adapter->ahw; |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 610 | int err; |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 611 | |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 612 | set_bit(QLC_83XX_MODULE_LOADED, &ahw->idc.status); |
| 613 | ahw->idc.delay = QLC_83XX_IDC_FW_POLL_DELAY; |
| 614 | ahw->reset_context = 0; |
| 615 | adapter->fw_fail_cnt = 0; |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 616 | ahw->msix_supported = 1; |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 617 | adapter->need_fw_reset = 0; |
Rajesh Borundia | da6c806 | 2013-03-29 05:46:35 +0000 | [diff] [blame] | 618 | adapter->flags |= QLCNIC_TX_INTR_SHARED; |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 619 | |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 620 | err = qlcnic_sriov_check_dev_ready(adapter); |
| 621 | if (err) |
| 622 | return err; |
| 623 | |
| 624 | err = qlcnic_sriov_setup_vf(adapter, pci_using_dac); |
| 625 | if (err) |
| 626 | return err; |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 627 | |
| 628 | if (qlcnic_read_mac_addr(adapter)) |
| 629 | dev_warn(&adapter->pdev->dev, "failed to read mac addr\n"); |
| 630 | |
Sucheta Chakraborty | 1267ff9 | 2013-05-23 21:04:29 +0000 | [diff] [blame] | 631 | INIT_DELAYED_WORK(&adapter->idc_aen_work, qlcnic_83xx_idc_aen_work); |
| 632 | |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 633 | clear_bit(__QLCNIC_RESETTING, &adapter->state); |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 634 | return 0; |
| 635 | } |
| 636 | |
| 637 | void qlcnic_sriov_vf_set_ops(struct qlcnic_adapter *adapter) |
| 638 | { |
| 639 | struct qlcnic_hardware_context *ahw = adapter->ahw; |
| 640 | |
| 641 | ahw->op_mode = QLCNIC_SRIOV_VF_FUNC; |
| 642 | dev_info(&adapter->pdev->dev, |
| 643 | "HAL Version: %d Non Privileged SRIOV function\n", |
| 644 | ahw->fw_hal_version); |
| 645 | adapter->nic_ops = &qlcnic_sriov_vf_ops; |
| 646 | set_bit(__QLCNIC_SRIOV_ENABLE, &adapter->state); |
| 647 | return; |
| 648 | } |
| 649 | |
| 650 | void qlcnic_sriov_vf_register_map(struct qlcnic_hardware_context *ahw) |
| 651 | { |
| 652 | ahw->hw_ops = &qlcnic_sriov_vf_hw_ops; |
| 653 | ahw->reg_tbl = (u32 *)qlcnic_83xx_reg_tbl; |
| 654 | ahw->ext_reg_tbl = (u32 *)qlcnic_83xx_ext_reg_tbl; |
Rajesh Borundia | 02feda1 | 2013-03-29 05:46:33 +0000 | [diff] [blame] | 655 | } |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 656 | |
| 657 | static u32 qlcnic_sriov_get_bc_paysize(u32 real_pay_size, u8 curr_frag) |
| 658 | { |
| 659 | u32 pay_size; |
| 660 | |
| 661 | pay_size = real_pay_size / ((curr_frag + 1) * QLC_BC_PAYLOAD_SZ); |
| 662 | |
| 663 | if (pay_size) |
| 664 | pay_size = QLC_BC_PAYLOAD_SZ; |
| 665 | else |
| 666 | pay_size = real_pay_size % QLC_BC_PAYLOAD_SZ; |
| 667 | |
| 668 | return pay_size; |
| 669 | } |
| 670 | |
| 671 | int qlcnic_sriov_func_to_index(struct qlcnic_adapter *adapter, u8 pci_func) |
| 672 | { |
| 673 | struct qlcnic_vf_info *vf_info = adapter->ahw->sriov->vf_info; |
| 674 | u8 i; |
| 675 | |
| 676 | if (qlcnic_sriov_vf_check(adapter)) |
| 677 | return 0; |
| 678 | |
| 679 | for (i = 0; i < adapter->ahw->sriov->num_vfs; i++) { |
| 680 | if (vf_info[i].pci_func == pci_func) |
| 681 | return i; |
| 682 | } |
| 683 | |
| 684 | return -EINVAL; |
| 685 | } |
| 686 | |
| 687 | static inline int qlcnic_sriov_alloc_bc_trans(struct qlcnic_bc_trans **trans) |
| 688 | { |
| 689 | *trans = kzalloc(sizeof(struct qlcnic_bc_trans), GFP_ATOMIC); |
| 690 | if (!*trans) |
| 691 | return -ENOMEM; |
| 692 | |
| 693 | init_completion(&(*trans)->resp_cmpl); |
| 694 | return 0; |
| 695 | } |
| 696 | |
| 697 | static inline int qlcnic_sriov_alloc_bc_msg(struct qlcnic_bc_hdr **hdr, |
| 698 | u32 size) |
| 699 | { |
| 700 | *hdr = kzalloc(sizeof(struct qlcnic_bc_hdr) * size, GFP_ATOMIC); |
| 701 | if (!*hdr) |
| 702 | return -ENOMEM; |
| 703 | |
| 704 | return 0; |
| 705 | } |
| 706 | |
| 707 | static int qlcnic_sriov_alloc_bc_mbx_args(struct qlcnic_cmd_args *mbx, u32 type) |
| 708 | { |
| 709 | const struct qlcnic_mailbox_metadata *mbx_tbl; |
| 710 | int i, size; |
| 711 | |
| 712 | mbx_tbl = qlcnic_sriov_bc_mbx_tbl; |
| 713 | size = ARRAY_SIZE(qlcnic_sriov_bc_mbx_tbl); |
| 714 | |
| 715 | for (i = 0; i < size; i++) { |
| 716 | if (type == mbx_tbl[i].cmd) { |
| 717 | mbx->op_type = QLC_BC_CMD; |
| 718 | mbx->req.num = mbx_tbl[i].in_args; |
| 719 | mbx->rsp.num = mbx_tbl[i].out_args; |
| 720 | mbx->req.arg = kcalloc(mbx->req.num, sizeof(u32), |
| 721 | GFP_ATOMIC); |
| 722 | if (!mbx->req.arg) |
| 723 | return -ENOMEM; |
| 724 | mbx->rsp.arg = kcalloc(mbx->rsp.num, sizeof(u32), |
| 725 | GFP_ATOMIC); |
| 726 | if (!mbx->rsp.arg) { |
| 727 | kfree(mbx->req.arg); |
| 728 | mbx->req.arg = NULL; |
| 729 | return -ENOMEM; |
| 730 | } |
| 731 | memset(mbx->req.arg, 0, sizeof(u32) * mbx->req.num); |
| 732 | memset(mbx->rsp.arg, 0, sizeof(u32) * mbx->rsp.num); |
| 733 | mbx->req.arg[0] = (type | (mbx->req.num << 16) | |
| 734 | (3 << 29)); |
Pratik Pujar | 6226204 | 2013-07-26 16:24:01 -0400 | [diff] [blame] | 735 | mbx->rsp.arg[0] = (type & 0xffff) | mbx->rsp.num << 16; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 736 | return 0; |
| 737 | } |
| 738 | } |
| 739 | return -EINVAL; |
| 740 | } |
| 741 | |
| 742 | static int qlcnic_sriov_prepare_bc_hdr(struct qlcnic_bc_trans *trans, |
| 743 | struct qlcnic_cmd_args *cmd, |
| 744 | u16 seq, u8 msg_type) |
| 745 | { |
| 746 | struct qlcnic_bc_hdr *hdr; |
| 747 | int i; |
| 748 | u32 num_regs, bc_pay_sz; |
| 749 | u16 remainder; |
| 750 | u8 cmd_op, num_frags, t_num_frags; |
| 751 | |
| 752 | bc_pay_sz = QLC_BC_PAYLOAD_SZ; |
| 753 | if (msg_type == QLC_BC_COMMAND) { |
| 754 | trans->req_pay = (struct qlcnic_bc_payload *)cmd->req.arg; |
| 755 | trans->rsp_pay = (struct qlcnic_bc_payload *)cmd->rsp.arg; |
| 756 | num_regs = cmd->req.num; |
| 757 | trans->req_pay_size = (num_regs * 4); |
| 758 | num_regs = cmd->rsp.num; |
| 759 | trans->rsp_pay_size = (num_regs * 4); |
| 760 | cmd_op = cmd->req.arg[0] & 0xff; |
| 761 | remainder = (trans->req_pay_size) % (bc_pay_sz); |
| 762 | num_frags = (trans->req_pay_size) / (bc_pay_sz); |
| 763 | if (remainder) |
| 764 | num_frags++; |
| 765 | t_num_frags = num_frags; |
| 766 | if (qlcnic_sriov_alloc_bc_msg(&trans->req_hdr, num_frags)) |
| 767 | return -ENOMEM; |
| 768 | remainder = (trans->rsp_pay_size) % (bc_pay_sz); |
| 769 | num_frags = (trans->rsp_pay_size) / (bc_pay_sz); |
| 770 | if (remainder) |
| 771 | num_frags++; |
| 772 | if (qlcnic_sriov_alloc_bc_msg(&trans->rsp_hdr, num_frags)) |
| 773 | return -ENOMEM; |
| 774 | num_frags = t_num_frags; |
| 775 | hdr = trans->req_hdr; |
| 776 | } else { |
| 777 | cmd->req.arg = (u32 *)trans->req_pay; |
| 778 | cmd->rsp.arg = (u32 *)trans->rsp_pay; |
| 779 | cmd_op = cmd->req.arg[0] & 0xff; |
Rajesh Borundia | d747c33 | 2014-05-09 02:51:31 -0400 | [diff] [blame] | 780 | cmd->cmd_op = cmd_op; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 781 | remainder = (trans->rsp_pay_size) % (bc_pay_sz); |
| 782 | num_frags = (trans->rsp_pay_size) / (bc_pay_sz); |
| 783 | if (remainder) |
| 784 | num_frags++; |
| 785 | cmd->req.num = trans->req_pay_size / 4; |
| 786 | cmd->rsp.num = trans->rsp_pay_size / 4; |
| 787 | hdr = trans->rsp_hdr; |
Pratik Pujar | 6226204 | 2013-07-26 16:24:01 -0400 | [diff] [blame] | 788 | cmd->op_type = trans->req_hdr->op_type; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 789 | } |
| 790 | |
| 791 | trans->trans_id = seq; |
| 792 | trans->cmd_id = cmd_op; |
| 793 | for (i = 0; i < num_frags; i++) { |
| 794 | hdr[i].version = 2; |
| 795 | hdr[i].msg_type = msg_type; |
| 796 | hdr[i].op_type = cmd->op_type; |
| 797 | hdr[i].num_cmds = 1; |
| 798 | hdr[i].num_frags = num_frags; |
| 799 | hdr[i].frag_num = i + 1; |
| 800 | hdr[i].cmd_op = cmd_op; |
| 801 | hdr[i].seq_id = seq; |
| 802 | } |
| 803 | return 0; |
| 804 | } |
| 805 | |
| 806 | static void qlcnic_sriov_cleanup_transaction(struct qlcnic_bc_trans *trans) |
| 807 | { |
| 808 | if (!trans) |
| 809 | return; |
| 810 | kfree(trans->req_hdr); |
| 811 | kfree(trans->rsp_hdr); |
| 812 | kfree(trans); |
| 813 | } |
| 814 | |
| 815 | static int qlcnic_sriov_clear_trans(struct qlcnic_vf_info *vf, |
| 816 | struct qlcnic_bc_trans *trans, u8 type) |
| 817 | { |
| 818 | struct qlcnic_trans_list *t_list; |
| 819 | unsigned long flags; |
| 820 | int ret = 0; |
| 821 | |
| 822 | if (type == QLC_BC_RESPONSE) { |
| 823 | t_list = &vf->rcv_act; |
| 824 | spin_lock_irqsave(&t_list->lock, flags); |
| 825 | t_list->count--; |
| 826 | list_del(&trans->list); |
| 827 | if (t_list->count > 0) |
| 828 | ret = 1; |
| 829 | spin_unlock_irqrestore(&t_list->lock, flags); |
| 830 | } |
| 831 | if (type == QLC_BC_COMMAND) { |
| 832 | while (test_and_set_bit(QLC_BC_VF_SEND, &vf->state)) |
| 833 | msleep(100); |
| 834 | vf->send_cmd = NULL; |
| 835 | clear_bit(QLC_BC_VF_SEND, &vf->state); |
| 836 | } |
| 837 | return ret; |
| 838 | } |
| 839 | |
| 840 | static void qlcnic_sriov_schedule_bc_cmd(struct qlcnic_sriov *sriov, |
| 841 | struct qlcnic_vf_info *vf, |
| 842 | work_func_t func) |
| 843 | { |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 844 | if (test_bit(QLC_BC_VF_FLR, &vf->state) || |
| 845 | vf->adapter->need_fw_reset) |
Rajesh Borundia | 97d8105 | 2013-04-19 07:01:09 +0000 | [diff] [blame] | 846 | return; |
| 847 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 848 | queue_work(sriov->bc.bc_trans_wq, &vf->trans_work); |
| 849 | } |
| 850 | |
| 851 | static inline void qlcnic_sriov_wait_for_resp(struct qlcnic_bc_trans *trans) |
| 852 | { |
| 853 | struct completion *cmpl = &trans->resp_cmpl; |
| 854 | |
| 855 | if (wait_for_completion_timeout(cmpl, QLC_MBOX_RESP_TIMEOUT)) |
| 856 | trans->trans_state = QLC_END; |
| 857 | else |
| 858 | trans->trans_state = QLC_ABORT; |
| 859 | |
| 860 | return; |
| 861 | } |
| 862 | |
| 863 | static void qlcnic_sriov_handle_multi_frags(struct qlcnic_bc_trans *trans, |
| 864 | u8 type) |
| 865 | { |
| 866 | if (type == QLC_BC_RESPONSE) { |
| 867 | trans->curr_rsp_frag++; |
| 868 | if (trans->curr_rsp_frag < trans->rsp_hdr->num_frags) |
| 869 | trans->trans_state = QLC_INIT; |
| 870 | else |
| 871 | trans->trans_state = QLC_END; |
| 872 | } else { |
| 873 | trans->curr_req_frag++; |
| 874 | if (trans->curr_req_frag < trans->req_hdr->num_frags) |
| 875 | trans->trans_state = QLC_INIT; |
| 876 | else |
| 877 | trans->trans_state = QLC_WAIT_FOR_RESP; |
| 878 | } |
| 879 | } |
| 880 | |
| 881 | static void qlcnic_sriov_wait_for_channel_free(struct qlcnic_bc_trans *trans, |
| 882 | u8 type) |
| 883 | { |
| 884 | struct qlcnic_vf_info *vf = trans->vf; |
| 885 | struct completion *cmpl = &vf->ch_free_cmpl; |
| 886 | |
| 887 | if (!wait_for_completion_timeout(cmpl, QLC_MBOX_CH_FREE_TIMEOUT)) { |
| 888 | trans->trans_state = QLC_ABORT; |
| 889 | return; |
| 890 | } |
| 891 | |
| 892 | clear_bit(QLC_BC_VF_CHANNEL, &vf->state); |
| 893 | qlcnic_sriov_handle_multi_frags(trans, type); |
| 894 | } |
| 895 | |
| 896 | static void qlcnic_sriov_pull_bc_msg(struct qlcnic_adapter *adapter, |
| 897 | u32 *hdr, u32 *pay, u32 size) |
| 898 | { |
| 899 | struct qlcnic_hardware_context *ahw = adapter->ahw; |
| 900 | u32 fw_mbx; |
| 901 | u8 i, max = 2, hdr_size, j; |
| 902 | |
| 903 | hdr_size = (sizeof(struct qlcnic_bc_hdr) / sizeof(u32)); |
| 904 | max = (size / sizeof(u32)) + hdr_size; |
| 905 | |
| 906 | fw_mbx = readl(QLCNIC_MBX_FW(ahw, 0)); |
| 907 | for (i = 2, j = 0; j < hdr_size; i++, j++) |
| 908 | *(hdr++) = readl(QLCNIC_MBX_FW(ahw, i)); |
| 909 | for (; j < max; i++, j++) |
| 910 | *(pay++) = readl(QLCNIC_MBX_FW(ahw, i)); |
| 911 | } |
| 912 | |
| 913 | static int __qlcnic_sriov_issue_bc_post(struct qlcnic_vf_info *vf) |
| 914 | { |
| 915 | int ret = -EBUSY; |
| 916 | u32 timeout = 10000; |
| 917 | |
| 918 | do { |
| 919 | if (!test_and_set_bit(QLC_BC_VF_CHANNEL, &vf->state)) { |
| 920 | ret = 0; |
| 921 | break; |
| 922 | } |
| 923 | mdelay(1); |
| 924 | } while (--timeout); |
| 925 | |
| 926 | return ret; |
| 927 | } |
| 928 | |
| 929 | static int qlcnic_sriov_issue_bc_post(struct qlcnic_bc_trans *trans, u8 type) |
| 930 | { |
| 931 | struct qlcnic_vf_info *vf = trans->vf; |
| 932 | u32 pay_size, hdr_size; |
| 933 | u32 *hdr, *pay; |
| 934 | int ret; |
| 935 | u8 pci_func = trans->func_id; |
| 936 | |
| 937 | if (__qlcnic_sriov_issue_bc_post(vf)) |
| 938 | return -EBUSY; |
| 939 | |
| 940 | if (type == QLC_BC_COMMAND) { |
| 941 | hdr = (u32 *)(trans->req_hdr + trans->curr_req_frag); |
| 942 | pay = (u32 *)(trans->req_pay + trans->curr_req_frag); |
| 943 | hdr_size = (sizeof(struct qlcnic_bc_hdr) / sizeof(u32)); |
| 944 | pay_size = qlcnic_sriov_get_bc_paysize(trans->req_pay_size, |
| 945 | trans->curr_req_frag); |
| 946 | pay_size = (pay_size / sizeof(u32)); |
| 947 | } else { |
| 948 | hdr = (u32 *)(trans->rsp_hdr + trans->curr_rsp_frag); |
| 949 | pay = (u32 *)(trans->rsp_pay + trans->curr_rsp_frag); |
| 950 | hdr_size = (sizeof(struct qlcnic_bc_hdr) / sizeof(u32)); |
| 951 | pay_size = qlcnic_sriov_get_bc_paysize(trans->rsp_pay_size, |
| 952 | trans->curr_rsp_frag); |
| 953 | pay_size = (pay_size / sizeof(u32)); |
| 954 | } |
| 955 | |
| 956 | ret = qlcnic_sriov_post_bc_msg(vf->adapter, hdr, pay, |
| 957 | pci_func, pay_size); |
| 958 | return ret; |
| 959 | } |
| 960 | |
| 961 | static int __qlcnic_sriov_send_bc_msg(struct qlcnic_bc_trans *trans, |
| 962 | struct qlcnic_vf_info *vf, u8 type) |
| 963 | { |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 964 | bool flag = true; |
Rajesh Borundia | 97d8105 | 2013-04-19 07:01:09 +0000 | [diff] [blame] | 965 | int err = -EIO; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 966 | |
| 967 | while (flag) { |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 968 | if (test_bit(QLC_BC_VF_FLR, &vf->state) || |
| 969 | vf->adapter->need_fw_reset) |
Rajesh Borundia | 97d8105 | 2013-04-19 07:01:09 +0000 | [diff] [blame] | 970 | trans->trans_state = QLC_ABORT; |
| 971 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 972 | switch (trans->trans_state) { |
| 973 | case QLC_INIT: |
| 974 | trans->trans_state = QLC_WAIT_FOR_CHANNEL_FREE; |
| 975 | if (qlcnic_sriov_issue_bc_post(trans, type)) |
| 976 | trans->trans_state = QLC_ABORT; |
| 977 | break; |
| 978 | case QLC_WAIT_FOR_CHANNEL_FREE: |
| 979 | qlcnic_sriov_wait_for_channel_free(trans, type); |
| 980 | break; |
| 981 | case QLC_WAIT_FOR_RESP: |
| 982 | qlcnic_sriov_wait_for_resp(trans); |
| 983 | break; |
| 984 | case QLC_END: |
| 985 | err = 0; |
| 986 | flag = false; |
| 987 | break; |
| 988 | case QLC_ABORT: |
| 989 | err = -EIO; |
| 990 | flag = false; |
| 991 | clear_bit(QLC_BC_VF_CHANNEL, &vf->state); |
| 992 | break; |
| 993 | default: |
| 994 | err = -EIO; |
| 995 | flag = false; |
| 996 | } |
| 997 | } |
| 998 | return err; |
| 999 | } |
| 1000 | |
| 1001 | static int qlcnic_sriov_send_bc_cmd(struct qlcnic_adapter *adapter, |
| 1002 | struct qlcnic_bc_trans *trans, int pci_func) |
| 1003 | { |
| 1004 | struct qlcnic_vf_info *vf; |
| 1005 | int err, index = qlcnic_sriov_func_to_index(adapter, pci_func); |
| 1006 | |
| 1007 | if (index < 0) |
| 1008 | return -EIO; |
| 1009 | |
| 1010 | vf = &adapter->ahw->sriov->vf_info[index]; |
| 1011 | trans->vf = vf; |
| 1012 | trans->func_id = pci_func; |
| 1013 | |
| 1014 | if (!test_bit(QLC_BC_VF_STATE, &vf->state)) { |
| 1015 | if (qlcnic_sriov_pf_check(adapter)) |
| 1016 | return -EIO; |
| 1017 | if (qlcnic_sriov_vf_check(adapter) && |
| 1018 | trans->cmd_id != QLCNIC_BC_CMD_CHANNEL_INIT) |
| 1019 | return -EIO; |
| 1020 | } |
| 1021 | |
| 1022 | mutex_lock(&vf->send_cmd_lock); |
| 1023 | vf->send_cmd = trans; |
| 1024 | err = __qlcnic_sriov_send_bc_msg(trans, vf, QLC_BC_COMMAND); |
| 1025 | qlcnic_sriov_clear_trans(vf, trans, QLC_BC_COMMAND); |
| 1026 | mutex_unlock(&vf->send_cmd_lock); |
| 1027 | return err; |
| 1028 | } |
| 1029 | |
| 1030 | static void __qlcnic_sriov_process_bc_cmd(struct qlcnic_adapter *adapter, |
| 1031 | struct qlcnic_bc_trans *trans, |
| 1032 | struct qlcnic_cmd_args *cmd) |
| 1033 | { |
| 1034 | #ifdef CONFIG_QLCNIC_SRIOV |
| 1035 | if (qlcnic_sriov_pf_check(adapter)) { |
| 1036 | qlcnic_sriov_pf_process_bc_cmd(adapter, trans, cmd); |
| 1037 | return; |
| 1038 | } |
| 1039 | #endif |
| 1040 | cmd->rsp.arg[0] |= (0x9 << 25); |
| 1041 | return; |
| 1042 | } |
| 1043 | |
| 1044 | static void qlcnic_sriov_process_bc_cmd(struct work_struct *work) |
| 1045 | { |
| 1046 | struct qlcnic_vf_info *vf = container_of(work, struct qlcnic_vf_info, |
| 1047 | trans_work); |
| 1048 | struct qlcnic_bc_trans *trans = NULL; |
| 1049 | struct qlcnic_adapter *adapter = vf->adapter; |
| 1050 | struct qlcnic_cmd_args cmd; |
| 1051 | u8 req; |
| 1052 | |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1053 | if (adapter->need_fw_reset) |
| 1054 | return; |
| 1055 | |
Rajesh Borundia | 97d8105 | 2013-04-19 07:01:09 +0000 | [diff] [blame] | 1056 | if (test_bit(QLC_BC_VF_FLR, &vf->state)) |
| 1057 | return; |
| 1058 | |
Manish Chopra | e5c4e6c | 2013-08-02 00:57:40 -0400 | [diff] [blame] | 1059 | memset(&cmd, 0, sizeof(struct qlcnic_cmd_args)); |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1060 | trans = list_first_entry(&vf->rcv_act.wait_list, |
| 1061 | struct qlcnic_bc_trans, list); |
| 1062 | adapter = vf->adapter; |
| 1063 | |
| 1064 | if (qlcnic_sriov_prepare_bc_hdr(trans, &cmd, trans->req_hdr->seq_id, |
| 1065 | QLC_BC_RESPONSE)) |
| 1066 | goto cleanup_trans; |
| 1067 | |
| 1068 | __qlcnic_sriov_process_bc_cmd(adapter, trans, &cmd); |
| 1069 | trans->trans_state = QLC_INIT; |
| 1070 | __qlcnic_sriov_send_bc_msg(trans, vf, QLC_BC_RESPONSE); |
| 1071 | |
| 1072 | cleanup_trans: |
| 1073 | qlcnic_free_mbx_args(&cmd); |
| 1074 | req = qlcnic_sriov_clear_trans(vf, trans, QLC_BC_RESPONSE); |
| 1075 | qlcnic_sriov_cleanup_transaction(trans); |
| 1076 | if (req) |
| 1077 | qlcnic_sriov_schedule_bc_cmd(adapter->ahw->sriov, vf, |
| 1078 | qlcnic_sriov_process_bc_cmd); |
| 1079 | } |
| 1080 | |
| 1081 | static void qlcnic_sriov_handle_bc_resp(struct qlcnic_bc_hdr *hdr, |
| 1082 | struct qlcnic_vf_info *vf) |
| 1083 | { |
| 1084 | struct qlcnic_bc_trans *trans; |
| 1085 | u32 pay_size; |
| 1086 | |
| 1087 | if (test_and_set_bit(QLC_BC_VF_SEND, &vf->state)) |
| 1088 | return; |
| 1089 | |
| 1090 | trans = vf->send_cmd; |
| 1091 | |
| 1092 | if (trans == NULL) |
| 1093 | goto clear_send; |
| 1094 | |
| 1095 | if (trans->trans_id != hdr->seq_id) |
| 1096 | goto clear_send; |
| 1097 | |
| 1098 | pay_size = qlcnic_sriov_get_bc_paysize(trans->rsp_pay_size, |
| 1099 | trans->curr_rsp_frag); |
| 1100 | qlcnic_sriov_pull_bc_msg(vf->adapter, |
| 1101 | (u32 *)(trans->rsp_hdr + trans->curr_rsp_frag), |
| 1102 | (u32 *)(trans->rsp_pay + trans->curr_rsp_frag), |
| 1103 | pay_size); |
| 1104 | if (++trans->curr_rsp_frag < trans->rsp_hdr->num_frags) |
| 1105 | goto clear_send; |
| 1106 | |
| 1107 | complete(&trans->resp_cmpl); |
| 1108 | |
| 1109 | clear_send: |
| 1110 | clear_bit(QLC_BC_VF_SEND, &vf->state); |
| 1111 | } |
| 1112 | |
Rajesh Borundia | 97d8105 | 2013-04-19 07:01:09 +0000 | [diff] [blame] | 1113 | int __qlcnic_sriov_add_act_list(struct qlcnic_sriov *sriov, |
| 1114 | struct qlcnic_vf_info *vf, |
| 1115 | struct qlcnic_bc_trans *trans) |
| 1116 | { |
| 1117 | struct qlcnic_trans_list *t_list = &vf->rcv_act; |
| 1118 | |
| 1119 | t_list->count++; |
| 1120 | list_add_tail(&trans->list, &t_list->wait_list); |
| 1121 | if (t_list->count == 1) |
| 1122 | qlcnic_sriov_schedule_bc_cmd(sriov, vf, |
| 1123 | qlcnic_sriov_process_bc_cmd); |
| 1124 | return 0; |
| 1125 | } |
| 1126 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1127 | static int qlcnic_sriov_add_act_list(struct qlcnic_sriov *sriov, |
| 1128 | struct qlcnic_vf_info *vf, |
| 1129 | struct qlcnic_bc_trans *trans) |
| 1130 | { |
| 1131 | struct qlcnic_trans_list *t_list = &vf->rcv_act; |
| 1132 | |
| 1133 | spin_lock(&t_list->lock); |
Rajesh Borundia | 97d8105 | 2013-04-19 07:01:09 +0000 | [diff] [blame] | 1134 | |
| 1135 | __qlcnic_sriov_add_act_list(sriov, vf, trans); |
| 1136 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1137 | spin_unlock(&t_list->lock); |
| 1138 | return 0; |
| 1139 | } |
| 1140 | |
| 1141 | static void qlcnic_sriov_handle_pending_trans(struct qlcnic_sriov *sriov, |
| 1142 | struct qlcnic_vf_info *vf, |
| 1143 | struct qlcnic_bc_hdr *hdr) |
| 1144 | { |
| 1145 | struct qlcnic_bc_trans *trans = NULL; |
| 1146 | struct list_head *node; |
| 1147 | u32 pay_size, curr_frag; |
| 1148 | u8 found = 0, active = 0; |
| 1149 | |
| 1150 | spin_lock(&vf->rcv_pend.lock); |
| 1151 | if (vf->rcv_pend.count > 0) { |
| 1152 | list_for_each(node, &vf->rcv_pend.wait_list) { |
| 1153 | trans = list_entry(node, struct qlcnic_bc_trans, list); |
| 1154 | if (trans->trans_id == hdr->seq_id) { |
| 1155 | found = 1; |
| 1156 | break; |
| 1157 | } |
| 1158 | } |
| 1159 | } |
| 1160 | |
| 1161 | if (found) { |
| 1162 | curr_frag = trans->curr_req_frag; |
| 1163 | pay_size = qlcnic_sriov_get_bc_paysize(trans->req_pay_size, |
| 1164 | curr_frag); |
| 1165 | qlcnic_sriov_pull_bc_msg(vf->adapter, |
| 1166 | (u32 *)(trans->req_hdr + curr_frag), |
| 1167 | (u32 *)(trans->req_pay + curr_frag), |
| 1168 | pay_size); |
| 1169 | trans->curr_req_frag++; |
| 1170 | if (trans->curr_req_frag >= hdr->num_frags) { |
| 1171 | vf->rcv_pend.count--; |
| 1172 | list_del(&trans->list); |
| 1173 | active = 1; |
| 1174 | } |
| 1175 | } |
| 1176 | spin_unlock(&vf->rcv_pend.lock); |
| 1177 | |
| 1178 | if (active) |
| 1179 | if (qlcnic_sriov_add_act_list(sriov, vf, trans)) |
| 1180 | qlcnic_sriov_cleanup_transaction(trans); |
| 1181 | |
| 1182 | return; |
| 1183 | } |
| 1184 | |
| 1185 | static void qlcnic_sriov_handle_bc_cmd(struct qlcnic_sriov *sriov, |
| 1186 | struct qlcnic_bc_hdr *hdr, |
| 1187 | struct qlcnic_vf_info *vf) |
| 1188 | { |
| 1189 | struct qlcnic_bc_trans *trans; |
| 1190 | struct qlcnic_adapter *adapter = vf->adapter; |
| 1191 | struct qlcnic_cmd_args cmd; |
| 1192 | u32 pay_size; |
| 1193 | int err; |
| 1194 | u8 cmd_op; |
| 1195 | |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1196 | if (adapter->need_fw_reset) |
| 1197 | return; |
| 1198 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1199 | if (!test_bit(QLC_BC_VF_STATE, &vf->state) && |
| 1200 | hdr->op_type != QLC_BC_CMD && |
| 1201 | hdr->cmd_op != QLCNIC_BC_CMD_CHANNEL_INIT) |
| 1202 | return; |
| 1203 | |
| 1204 | if (hdr->frag_num > 1) { |
| 1205 | qlcnic_sriov_handle_pending_trans(sriov, vf, hdr); |
| 1206 | return; |
| 1207 | } |
| 1208 | |
Manish Chopra | e5c4e6c | 2013-08-02 00:57:40 -0400 | [diff] [blame] | 1209 | memset(&cmd, 0, sizeof(struct qlcnic_cmd_args)); |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1210 | cmd_op = hdr->cmd_op; |
| 1211 | if (qlcnic_sriov_alloc_bc_trans(&trans)) |
| 1212 | return; |
| 1213 | |
| 1214 | if (hdr->op_type == QLC_BC_CMD) |
| 1215 | err = qlcnic_sriov_alloc_bc_mbx_args(&cmd, cmd_op); |
| 1216 | else |
| 1217 | err = qlcnic_alloc_mbx_args(&cmd, adapter, cmd_op); |
| 1218 | |
| 1219 | if (err) { |
| 1220 | qlcnic_sriov_cleanup_transaction(trans); |
| 1221 | return; |
| 1222 | } |
| 1223 | |
| 1224 | cmd.op_type = hdr->op_type; |
| 1225 | if (qlcnic_sriov_prepare_bc_hdr(trans, &cmd, hdr->seq_id, |
| 1226 | QLC_BC_COMMAND)) { |
| 1227 | qlcnic_free_mbx_args(&cmd); |
| 1228 | qlcnic_sriov_cleanup_transaction(trans); |
| 1229 | return; |
| 1230 | } |
| 1231 | |
| 1232 | pay_size = qlcnic_sriov_get_bc_paysize(trans->req_pay_size, |
| 1233 | trans->curr_req_frag); |
| 1234 | qlcnic_sriov_pull_bc_msg(vf->adapter, |
| 1235 | (u32 *)(trans->req_hdr + trans->curr_req_frag), |
| 1236 | (u32 *)(trans->req_pay + trans->curr_req_frag), |
| 1237 | pay_size); |
| 1238 | trans->func_id = vf->pci_func; |
| 1239 | trans->vf = vf; |
| 1240 | trans->trans_id = hdr->seq_id; |
| 1241 | trans->curr_req_frag++; |
Rajesh Borundia | 97d8105 | 2013-04-19 07:01:09 +0000 | [diff] [blame] | 1242 | |
| 1243 | if (qlcnic_sriov_soft_flr_check(adapter, trans, vf)) |
| 1244 | return; |
| 1245 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1246 | if (trans->curr_req_frag == trans->req_hdr->num_frags) { |
| 1247 | if (qlcnic_sriov_add_act_list(sriov, vf, trans)) { |
| 1248 | qlcnic_free_mbx_args(&cmd); |
| 1249 | qlcnic_sriov_cleanup_transaction(trans); |
| 1250 | } |
| 1251 | } else { |
| 1252 | spin_lock(&vf->rcv_pend.lock); |
| 1253 | list_add_tail(&trans->list, &vf->rcv_pend.wait_list); |
| 1254 | vf->rcv_pend.count++; |
| 1255 | spin_unlock(&vf->rcv_pend.lock); |
| 1256 | } |
| 1257 | } |
| 1258 | |
| 1259 | static void qlcnic_sriov_handle_msg_event(struct qlcnic_sriov *sriov, |
| 1260 | struct qlcnic_vf_info *vf) |
| 1261 | { |
| 1262 | struct qlcnic_bc_hdr hdr; |
| 1263 | u32 *ptr = (u32 *)&hdr; |
| 1264 | u8 msg_type, i; |
| 1265 | |
| 1266 | for (i = 2; i < 6; i++) |
| 1267 | ptr[i - 2] = readl(QLCNIC_MBX_FW(vf->adapter->ahw, i)); |
| 1268 | msg_type = hdr.msg_type; |
| 1269 | |
| 1270 | switch (msg_type) { |
| 1271 | case QLC_BC_COMMAND: |
| 1272 | qlcnic_sriov_handle_bc_cmd(sriov, &hdr, vf); |
| 1273 | break; |
| 1274 | case QLC_BC_RESPONSE: |
| 1275 | qlcnic_sriov_handle_bc_resp(&hdr, vf); |
| 1276 | break; |
| 1277 | } |
| 1278 | } |
| 1279 | |
Rajesh Borundia | 97d8105 | 2013-04-19 07:01:09 +0000 | [diff] [blame] | 1280 | static void qlcnic_sriov_handle_flr_event(struct qlcnic_sriov *sriov, |
| 1281 | struct qlcnic_vf_info *vf) |
| 1282 | { |
| 1283 | struct qlcnic_adapter *adapter = vf->adapter; |
| 1284 | |
| 1285 | if (qlcnic_sriov_pf_check(adapter)) |
| 1286 | qlcnic_sriov_pf_handle_flr(sriov, vf); |
| 1287 | else |
| 1288 | dev_err(&adapter->pdev->dev, |
| 1289 | "Invalid event to VF. VF should not get FLR event\n"); |
| 1290 | } |
| 1291 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1292 | void qlcnic_sriov_handle_bc_event(struct qlcnic_adapter *adapter, u32 event) |
| 1293 | { |
| 1294 | struct qlcnic_vf_info *vf; |
| 1295 | struct qlcnic_sriov *sriov; |
| 1296 | int index; |
| 1297 | u8 pci_func; |
| 1298 | |
| 1299 | sriov = adapter->ahw->sriov; |
| 1300 | pci_func = qlcnic_sriov_target_func_id(event); |
| 1301 | index = qlcnic_sriov_func_to_index(adapter, pci_func); |
| 1302 | |
| 1303 | if (index < 0) |
| 1304 | return; |
| 1305 | |
| 1306 | vf = &sriov->vf_info[index]; |
| 1307 | vf->pci_func = pci_func; |
| 1308 | |
| 1309 | if (qlcnic_sriov_channel_free_check(event)) |
| 1310 | complete(&vf->ch_free_cmpl); |
| 1311 | |
Rajesh Borundia | 97d8105 | 2013-04-19 07:01:09 +0000 | [diff] [blame] | 1312 | if (qlcnic_sriov_flr_check(event)) { |
| 1313 | qlcnic_sriov_handle_flr_event(sriov, vf); |
| 1314 | return; |
| 1315 | } |
| 1316 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1317 | if (qlcnic_sriov_bc_msg_check(event)) |
| 1318 | qlcnic_sriov_handle_msg_event(sriov, vf); |
| 1319 | } |
| 1320 | |
| 1321 | int qlcnic_sriov_cfg_bc_intr(struct qlcnic_adapter *adapter, u8 enable) |
| 1322 | { |
| 1323 | struct qlcnic_cmd_args cmd; |
| 1324 | int err; |
| 1325 | |
| 1326 | if (!test_bit(__QLCNIC_SRIOV_ENABLE, &adapter->state)) |
| 1327 | return 0; |
| 1328 | |
| 1329 | if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_BC_EVENT_SETUP)) |
| 1330 | return -ENOMEM; |
| 1331 | |
| 1332 | if (enable) |
| 1333 | cmd.req.arg[1] = (1 << 4) | (1 << 5) | (1 << 6) | (1 << 7); |
| 1334 | |
Manish Chopra | e5c4e6c | 2013-08-02 00:57:40 -0400 | [diff] [blame] | 1335 | err = qlcnic_83xx_issue_cmd(adapter, &cmd); |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1336 | |
| 1337 | if (err != QLCNIC_RCODE_SUCCESS) { |
| 1338 | dev_err(&adapter->pdev->dev, |
| 1339 | "Failed to %s bc events, err=%d\n", |
| 1340 | (enable ? "enable" : "disable"), err); |
| 1341 | } |
| 1342 | |
| 1343 | qlcnic_free_mbx_args(&cmd); |
| 1344 | return err; |
| 1345 | } |
| 1346 | |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1347 | static int qlcnic_sriov_retry_bc_cmd(struct qlcnic_adapter *adapter, |
| 1348 | struct qlcnic_bc_trans *trans) |
| 1349 | { |
| 1350 | u8 max = QLC_BC_CMD_MAX_RETRY_CNT; |
| 1351 | u32 state; |
| 1352 | |
| 1353 | state = QLCRDX(adapter->ahw, QLC_83XX_IDC_DEV_STATE); |
| 1354 | if (state == QLC_83XX_IDC_DEV_READY) { |
| 1355 | msleep(20); |
| 1356 | clear_bit(QLC_BC_VF_CHANNEL, &trans->vf->state); |
| 1357 | trans->trans_state = QLC_INIT; |
| 1358 | if (++adapter->fw_fail_cnt > max) |
| 1359 | return -EIO; |
| 1360 | else |
| 1361 | return 0; |
| 1362 | } |
| 1363 | |
| 1364 | return -EIO; |
| 1365 | } |
| 1366 | |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 1367 | static int __qlcnic_sriov_issue_cmd(struct qlcnic_adapter *adapter, |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1368 | struct qlcnic_cmd_args *cmd) |
| 1369 | { |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1370 | struct qlcnic_hardware_context *ahw = adapter->ahw; |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 1371 | struct qlcnic_mailbox *mbx = ahw->mailbox; |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1372 | struct device *dev = &adapter->pdev->dev; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1373 | struct qlcnic_bc_trans *trans; |
| 1374 | int err; |
| 1375 | u32 rsp_data, opcode, mbx_err_code, rsp; |
| 1376 | u16 seq = ++adapter->ahw->sriov->bc.trans_counter; |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1377 | u8 func = ahw->pci_func; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1378 | |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1379 | rsp = qlcnic_sriov_alloc_bc_trans(&trans); |
| 1380 | if (rsp) |
Rajesh Borundia | ab0648e | 2014-04-23 09:59:56 -0400 | [diff] [blame] | 1381 | goto free_cmd; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1382 | |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1383 | rsp = qlcnic_sriov_prepare_bc_hdr(trans, cmd, seq, QLC_BC_COMMAND); |
| 1384 | if (rsp) |
| 1385 | goto cleanup_transaction; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1386 | |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1387 | retry: |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 1388 | if (!test_bit(QLC_83XX_MBX_READY, &mbx->status)) { |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1389 | rsp = -EIO; |
| 1390 | QLCDB(adapter, DRV, "MBX not Ready!(cmd 0x%x) for VF 0x%x\n", |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1391 | QLCNIC_MBX_RSP(cmd->req.arg[0]), func); |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1392 | goto err_out; |
| 1393 | } |
| 1394 | |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1395 | err = qlcnic_sriov_send_bc_cmd(adapter, trans, func); |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1396 | if (err) { |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1397 | dev_err(dev, "MBX command 0x%x timed out for VF %d\n", |
| 1398 | (cmd->req.arg[0] & 0xffff), func); |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1399 | rsp = QLCNIC_RCODE_TIMEOUT; |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1400 | |
| 1401 | /* After adapter reset PF driver may take some time to |
| 1402 | * respond to VF's request. Retry request till maximum retries. |
| 1403 | */ |
| 1404 | if ((trans->req_hdr->cmd_op == QLCNIC_BC_CMD_CHANNEL_INIT) && |
| 1405 | !qlcnic_sriov_retry_bc_cmd(adapter, trans)) |
| 1406 | goto retry; |
| 1407 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1408 | goto err_out; |
| 1409 | } |
| 1410 | |
| 1411 | rsp_data = cmd->rsp.arg[0]; |
| 1412 | mbx_err_code = QLCNIC_MBX_STATUS(rsp_data); |
| 1413 | opcode = QLCNIC_MBX_RSP(cmd->req.arg[0]); |
| 1414 | |
| 1415 | if ((mbx_err_code == QLCNIC_MBX_RSP_OK) || |
| 1416 | (mbx_err_code == QLCNIC_MBX_PORT_RSP_OK)) { |
| 1417 | rsp = QLCNIC_RCODE_SUCCESS; |
| 1418 | } else { |
Rajesh Borundia | d747c33 | 2014-05-09 02:51:31 -0400 | [diff] [blame] | 1419 | if (cmd->type == QLC_83XX_MBX_CMD_NO_WAIT) { |
| 1420 | rsp = QLCNIC_RCODE_SUCCESS; |
| 1421 | } else { |
| 1422 | rsp = mbx_err_code; |
| 1423 | if (!rsp) |
| 1424 | rsp = 1; |
| 1425 | |
| 1426 | dev_err(dev, |
| 1427 | "MBX command 0x%x failed with err:0x%x for VF %d\n", |
| 1428 | opcode, mbx_err_code, func); |
| 1429 | } |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1430 | } |
| 1431 | |
| 1432 | err_out: |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1433 | if (rsp == QLCNIC_RCODE_TIMEOUT) { |
| 1434 | ahw->reset_context = 1; |
| 1435 | adapter->need_fw_reset = 1; |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 1436 | clear_bit(QLC_83XX_MBX_READY, &mbx->status); |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1437 | } |
| 1438 | |
| 1439 | cleanup_transaction: |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1440 | qlcnic_sriov_cleanup_transaction(trans); |
Rajesh Borundia | ab0648e | 2014-04-23 09:59:56 -0400 | [diff] [blame] | 1441 | |
| 1442 | free_cmd: |
| 1443 | if (cmd->type == QLC_83XX_MBX_CMD_NO_WAIT) { |
| 1444 | qlcnic_free_mbx_args(cmd); |
| 1445 | kfree(cmd); |
| 1446 | } |
| 1447 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1448 | return rsp; |
| 1449 | } |
| 1450 | |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 1451 | |
| 1452 | static int qlcnic_sriov_issue_cmd(struct qlcnic_adapter *adapter, |
| 1453 | struct qlcnic_cmd_args *cmd) |
| 1454 | { |
| 1455 | if (cmd->type == QLC_83XX_MBX_CMD_NO_WAIT) |
| 1456 | return qlcnic_sriov_async_issue_cmd(adapter, cmd); |
| 1457 | else |
| 1458 | return __qlcnic_sriov_issue_cmd(adapter, cmd); |
| 1459 | } |
| 1460 | |
stephen hemminger | 2104140 | 2014-01-16 10:31:27 -0800 | [diff] [blame] | 1461 | static int qlcnic_sriov_channel_cfg_cmd(struct qlcnic_adapter *adapter, u8 cmd_op) |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1462 | { |
| 1463 | struct qlcnic_cmd_args cmd; |
| 1464 | struct qlcnic_vf_info *vf = &adapter->ahw->sriov->vf_info[0]; |
| 1465 | int ret; |
| 1466 | |
Rajesh Borundia | c531692 | 2014-06-04 03:40:54 -0400 | [diff] [blame] | 1467 | memset(&cmd, 0, sizeof(cmd)); |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1468 | if (qlcnic_sriov_alloc_bc_mbx_args(&cmd, cmd_op)) |
| 1469 | return -ENOMEM; |
| 1470 | |
| 1471 | ret = qlcnic_issue_cmd(adapter, &cmd); |
| 1472 | if (ret) { |
| 1473 | dev_err(&adapter->pdev->dev, |
| 1474 | "Failed bc channel %s %d\n", cmd_op ? "term" : "init", |
| 1475 | ret); |
| 1476 | goto out; |
| 1477 | } |
| 1478 | |
| 1479 | cmd_op = (cmd.rsp.arg[0] & 0xff); |
| 1480 | if (cmd.rsp.arg[0] >> 25 == 2) |
| 1481 | return 2; |
| 1482 | if (cmd_op == QLCNIC_BC_CMD_CHANNEL_INIT) |
| 1483 | set_bit(QLC_BC_VF_STATE, &vf->state); |
| 1484 | else |
| 1485 | clear_bit(QLC_BC_VF_STATE, &vf->state); |
| 1486 | |
| 1487 | out: |
| 1488 | qlcnic_free_mbx_args(&cmd); |
| 1489 | return ret; |
| 1490 | } |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1491 | |
Shahed Shaikh | fe79fab | 2015-02-11 09:45:24 -0500 | [diff] [blame^] | 1492 | static void qlcnic_vf_add_mc_list(struct net_device *netdev, const u8 *mac, |
| 1493 | enum qlcnic_mac_type mac_type) |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1494 | { |
| 1495 | struct qlcnic_adapter *adapter = netdev_priv(netdev); |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 1496 | struct qlcnic_sriov *sriov = adapter->ahw->sriov; |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 1497 | struct qlcnic_vf_info *vf; |
| 1498 | u16 vlan_id; |
| 1499 | int i; |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1500 | |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 1501 | vf = &adapter->ahw->sriov->vf_info[0]; |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1502 | |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 1503 | if (!qlcnic_sriov_check_any_vlan(vf)) { |
Shahed Shaikh | fe79fab | 2015-02-11 09:45:24 -0500 | [diff] [blame^] | 1504 | qlcnic_nic_add_mac(adapter, mac, 0, mac_type); |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 1505 | } else { |
| 1506 | spin_lock(&vf->vlan_list_lock); |
| 1507 | for (i = 0; i < sriov->num_allowed_vlans; i++) { |
| 1508 | vlan_id = vf->sriov_vlans[i]; |
| 1509 | if (vlan_id) |
Shahed Shaikh | fe79fab | 2015-02-11 09:45:24 -0500 | [diff] [blame^] | 1510 | qlcnic_nic_add_mac(adapter, mac, vlan_id, |
| 1511 | mac_type); |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 1512 | } |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 1513 | spin_unlock(&vf->vlan_list_lock); |
| 1514 | if (qlcnic_84xx_check(adapter)) |
Shahed Shaikh | fe79fab | 2015-02-11 09:45:24 -0500 | [diff] [blame^] | 1515 | qlcnic_nic_add_mac(adapter, mac, 0, mac_type); |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1516 | } |
| 1517 | } |
| 1518 | |
| 1519 | void qlcnic_sriov_cleanup_async_list(struct qlcnic_back_channel *bc) |
| 1520 | { |
| 1521 | struct list_head *head = &bc->async_list; |
| 1522 | struct qlcnic_async_work_list *entry; |
| 1523 | |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 1524 | flush_workqueue(bc->bc_async_wq); |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1525 | while (!list_empty(head)) { |
| 1526 | entry = list_entry(head->next, struct qlcnic_async_work_list, |
| 1527 | list); |
| 1528 | cancel_work_sync(&entry->work); |
| 1529 | list_del(&entry->list); |
| 1530 | kfree(entry); |
| 1531 | } |
| 1532 | } |
| 1533 | |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 1534 | void qlcnic_sriov_vf_set_multi(struct net_device *netdev) |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1535 | { |
| 1536 | struct qlcnic_adapter *adapter = netdev_priv(netdev); |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 1537 | struct qlcnic_hardware_context *ahw = adapter->ahw; |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 1538 | static const u8 bcast_addr[ETH_ALEN] = { |
| 1539 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff |
| 1540 | }; |
| 1541 | struct netdev_hw_addr *ha; |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 1542 | u32 mode = VPORT_MISS_MODE_DROP; |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1543 | |
| 1544 | if (!test_bit(__QLCNIC_FW_ATTACHED, &adapter->state)) |
| 1545 | return; |
| 1546 | |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 1547 | if (netdev->flags & IFF_PROMISC) { |
| 1548 | if (!(adapter->flags & QLCNIC_PROMISC_DISABLED)) |
| 1549 | mode = VPORT_MISS_MODE_ACCEPT_ALL; |
| 1550 | } else if ((netdev->flags & IFF_ALLMULTI) || |
| 1551 | (netdev_mc_count(netdev) > ahw->max_mc_count)) { |
| 1552 | mode = VPORT_MISS_MODE_ACCEPT_MULTI; |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 1553 | } else { |
Shahed Shaikh | fe79fab | 2015-02-11 09:45:24 -0500 | [diff] [blame^] | 1554 | qlcnic_vf_add_mc_list(netdev, bcast_addr, QLCNIC_BROADCAST_MAC); |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 1555 | if (!netdev_mc_empty(netdev)) { |
Shahed Shaikh | fe79fab | 2015-02-11 09:45:24 -0500 | [diff] [blame^] | 1556 | qlcnic_flush_mcast_mac(adapter); |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 1557 | netdev_for_each_mc_addr(ha, netdev) |
Shahed Shaikh | fe79fab | 2015-02-11 09:45:24 -0500 | [diff] [blame^] | 1558 | qlcnic_vf_add_mc_list(netdev, ha->addr, |
| 1559 | QLCNIC_MULTICAST_MAC); |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 1560 | } |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 1561 | } |
| 1562 | |
Rajesh Borundia | d747c33 | 2014-05-09 02:51:31 -0400 | [diff] [blame] | 1563 | /* configure unicast MAC address, if there is not sufficient space |
| 1564 | * to store all the unicast addresses then enable promiscuous mode |
| 1565 | */ |
| 1566 | if (netdev_uc_count(netdev) > ahw->max_uc_count) { |
| 1567 | mode = VPORT_MISS_MODE_ACCEPT_ALL; |
| 1568 | } else if (!netdev_uc_empty(netdev)) { |
| 1569 | netdev_for_each_uc_addr(ha, netdev) |
Shahed Shaikh | fe79fab | 2015-02-11 09:45:24 -0500 | [diff] [blame^] | 1570 | qlcnic_vf_add_mc_list(netdev, ha->addr, |
| 1571 | QLCNIC_UNICAST_MAC); |
Rajesh Borundia | d747c33 | 2014-05-09 02:51:31 -0400 | [diff] [blame] | 1572 | } |
| 1573 | |
| 1574 | if (adapter->pdev->is_virtfn) { |
| 1575 | if (mode == VPORT_MISS_MODE_ACCEPT_ALL && |
| 1576 | !adapter->fdb_mac_learn) { |
| 1577 | qlcnic_alloc_lb_filters_mem(adapter); |
| 1578 | adapter->drv_mac_learn = 1; |
| 1579 | adapter->rx_mac_learn = true; |
| 1580 | } else { |
| 1581 | adapter->drv_mac_learn = 0; |
| 1582 | adapter->rx_mac_learn = false; |
| 1583 | } |
| 1584 | } |
| 1585 | |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 1586 | qlcnic_nic_set_promisc(adapter, mode); |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1587 | } |
| 1588 | |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 1589 | static void qlcnic_sriov_handle_async_issue_cmd(struct work_struct *work) |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1590 | { |
| 1591 | struct qlcnic_async_work_list *entry; |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 1592 | struct qlcnic_adapter *adapter; |
| 1593 | struct qlcnic_cmd_args *cmd; |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1594 | |
| 1595 | entry = container_of(work, struct qlcnic_async_work_list, work); |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 1596 | adapter = entry->ptr; |
| 1597 | cmd = entry->cmd; |
| 1598 | __qlcnic_sriov_issue_cmd(adapter, cmd); |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1599 | return; |
| 1600 | } |
| 1601 | |
| 1602 | static struct qlcnic_async_work_list * |
| 1603 | qlcnic_sriov_get_free_node_async_work(struct qlcnic_back_channel *bc) |
| 1604 | { |
| 1605 | struct list_head *node; |
| 1606 | struct qlcnic_async_work_list *entry = NULL; |
| 1607 | u8 empty = 0; |
| 1608 | |
| 1609 | list_for_each(node, &bc->async_list) { |
| 1610 | entry = list_entry(node, struct qlcnic_async_work_list, list); |
| 1611 | if (!work_pending(&entry->work)) { |
| 1612 | empty = 1; |
| 1613 | break; |
| 1614 | } |
| 1615 | } |
| 1616 | |
| 1617 | if (!empty) { |
| 1618 | entry = kzalloc(sizeof(struct qlcnic_async_work_list), |
| 1619 | GFP_ATOMIC); |
| 1620 | if (entry == NULL) |
| 1621 | return NULL; |
| 1622 | list_add_tail(&entry->list, &bc->async_list); |
| 1623 | } |
| 1624 | |
| 1625 | return entry; |
| 1626 | } |
| 1627 | |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 1628 | static void qlcnic_sriov_schedule_async_cmd(struct qlcnic_back_channel *bc, |
| 1629 | work_func_t func, void *data, |
| 1630 | struct qlcnic_cmd_args *cmd) |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1631 | { |
| 1632 | struct qlcnic_async_work_list *entry = NULL; |
| 1633 | |
| 1634 | entry = qlcnic_sriov_get_free_node_async_work(bc); |
| 1635 | if (!entry) |
| 1636 | return; |
| 1637 | |
| 1638 | entry->ptr = data; |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 1639 | entry->cmd = cmd; |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1640 | INIT_WORK(&entry->work, func); |
| 1641 | queue_work(bc->bc_async_wq, &entry->work); |
| 1642 | } |
| 1643 | |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 1644 | static int qlcnic_sriov_async_issue_cmd(struct qlcnic_adapter *adapter, |
| 1645 | struct qlcnic_cmd_args *cmd) |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1646 | { |
| 1647 | |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1648 | struct qlcnic_back_channel *bc = &adapter->ahw->sriov->bc; |
| 1649 | |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1650 | if (adapter->need_fw_reset) |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 1651 | return -EIO; |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1652 | |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 1653 | qlcnic_sriov_schedule_async_cmd(bc, qlcnic_sriov_handle_async_issue_cmd, |
| 1654 | adapter, cmd); |
| 1655 | return 0; |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1656 | } |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1657 | |
| 1658 | static int qlcnic_sriov_vf_reinit_driver(struct qlcnic_adapter *adapter) |
| 1659 | { |
| 1660 | int err; |
| 1661 | |
Manish Chopra | 5c44bbd | 2013-09-13 06:13:47 -0400 | [diff] [blame] | 1662 | adapter->need_fw_reset = 0; |
Manish Chopra | 91b86e3 | 2013-08-15 08:27:25 -0400 | [diff] [blame] | 1663 | qlcnic_83xx_reinit_mbx_work(adapter->ahw->mailbox); |
Manish Chopra | e5c4e6c | 2013-08-02 00:57:40 -0400 | [diff] [blame] | 1664 | qlcnic_83xx_enable_mbx_interrupt(adapter); |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1665 | |
| 1666 | err = qlcnic_sriov_cfg_bc_intr(adapter, 1); |
| 1667 | if (err) |
| 1668 | return err; |
| 1669 | |
| 1670 | err = qlcnic_sriov_channel_cfg_cmd(adapter, QLCNIC_BC_CMD_CHANNEL_INIT); |
| 1671 | if (err) |
| 1672 | goto err_out_cleanup_bc_intr; |
| 1673 | |
| 1674 | err = qlcnic_sriov_vf_init_driver(adapter); |
| 1675 | if (err) |
| 1676 | goto err_out_term_channel; |
| 1677 | |
| 1678 | return 0; |
| 1679 | |
| 1680 | err_out_term_channel: |
| 1681 | qlcnic_sriov_channel_cfg_cmd(adapter, QLCNIC_BC_CMD_CHANNEL_TERM); |
| 1682 | |
| 1683 | err_out_cleanup_bc_intr: |
| 1684 | qlcnic_sriov_cfg_bc_intr(adapter, 0); |
| 1685 | return err; |
| 1686 | } |
| 1687 | |
| 1688 | static void qlcnic_sriov_vf_attach(struct qlcnic_adapter *adapter) |
| 1689 | { |
| 1690 | struct net_device *netdev = adapter->netdev; |
| 1691 | |
| 1692 | if (netif_running(netdev)) { |
| 1693 | if (!qlcnic_up(adapter, netdev)) |
| 1694 | qlcnic_restore_indev_addr(netdev, NETDEV_UP); |
| 1695 | } |
| 1696 | |
| 1697 | netif_device_attach(netdev); |
| 1698 | } |
| 1699 | |
| 1700 | static void qlcnic_sriov_vf_detach(struct qlcnic_adapter *adapter) |
| 1701 | { |
| 1702 | struct qlcnic_hardware_context *ahw = adapter->ahw; |
| 1703 | struct qlcnic_intrpt_config *intr_tbl = ahw->intr_tbl; |
| 1704 | struct net_device *netdev = adapter->netdev; |
| 1705 | u8 i, max_ints = ahw->num_msix - 1; |
| 1706 | |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1707 | netif_device_detach(netdev); |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 1708 | qlcnic_83xx_detach_mailbox_work(adapter); |
| 1709 | qlcnic_83xx_disable_mbx_intr(adapter); |
| 1710 | |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1711 | if (netif_running(netdev)) |
| 1712 | qlcnic_down(adapter, netdev); |
| 1713 | |
| 1714 | for (i = 0; i < max_ints; i++) { |
| 1715 | intr_tbl[i].id = i; |
| 1716 | intr_tbl[i].enabled = 0; |
| 1717 | intr_tbl[i].src = 0; |
| 1718 | } |
| 1719 | ahw->reset_context = 0; |
| 1720 | } |
| 1721 | |
| 1722 | static int qlcnic_sriov_vf_handle_dev_ready(struct qlcnic_adapter *adapter) |
| 1723 | { |
| 1724 | struct qlcnic_hardware_context *ahw = adapter->ahw; |
| 1725 | struct device *dev = &adapter->pdev->dev; |
| 1726 | struct qlc_83xx_idc *idc = &ahw->idc; |
| 1727 | u8 func = ahw->pci_func; |
| 1728 | u32 state; |
| 1729 | |
| 1730 | if ((idc->prev_state == QLC_83XX_IDC_DEV_NEED_RESET) || |
| 1731 | (idc->prev_state == QLC_83XX_IDC_DEV_INIT)) { |
| 1732 | if (!qlcnic_sriov_vf_reinit_driver(adapter)) { |
| 1733 | qlcnic_sriov_vf_attach(adapter); |
| 1734 | adapter->fw_fail_cnt = 0; |
| 1735 | dev_info(dev, |
Masanari Iida | 8b513d0 | 2013-05-21 23:13:12 +0900 | [diff] [blame] | 1736 | "%s: Reinitialization of VF 0x%x done after FW reset\n", |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1737 | __func__, func); |
| 1738 | } else { |
| 1739 | dev_err(dev, |
| 1740 | "%s: Reinitialization of VF 0x%x failed after FW reset\n", |
| 1741 | __func__, func); |
| 1742 | state = QLCRDX(ahw, QLC_83XX_IDC_DEV_STATE); |
| 1743 | dev_info(dev, "Current state 0x%x after FW reset\n", |
| 1744 | state); |
| 1745 | } |
| 1746 | } |
| 1747 | |
| 1748 | return 0; |
| 1749 | } |
| 1750 | |
| 1751 | static int qlcnic_sriov_vf_handle_context_reset(struct qlcnic_adapter *adapter) |
| 1752 | { |
| 1753 | struct qlcnic_hardware_context *ahw = adapter->ahw; |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 1754 | struct qlcnic_mailbox *mbx = ahw->mailbox; |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1755 | struct device *dev = &adapter->pdev->dev; |
| 1756 | struct qlc_83xx_idc *idc = &ahw->idc; |
| 1757 | u8 func = ahw->pci_func; |
| 1758 | u32 state; |
| 1759 | |
| 1760 | adapter->reset_ctx_cnt++; |
| 1761 | |
| 1762 | /* Skip the context reset and check if FW is hung */ |
| 1763 | if (adapter->reset_ctx_cnt < 3) { |
| 1764 | adapter->need_fw_reset = 1; |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 1765 | clear_bit(QLC_83XX_MBX_READY, &mbx->status); |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1766 | dev_info(dev, |
| 1767 | "Resetting context, wait here to check if FW is in failed state\n"); |
| 1768 | return 0; |
| 1769 | } |
| 1770 | |
| 1771 | /* Check if number of resets exceed the threshold. |
| 1772 | * If it exceeds the threshold just fail the VF. |
| 1773 | */ |
| 1774 | if (adapter->reset_ctx_cnt > QLC_83XX_VF_RESET_FAIL_THRESH) { |
| 1775 | clear_bit(QLC_83XX_MODULE_LOADED, &idc->status); |
| 1776 | adapter->tx_timeo_cnt = 0; |
| 1777 | adapter->fw_fail_cnt = 0; |
| 1778 | adapter->reset_ctx_cnt = 0; |
| 1779 | qlcnic_sriov_vf_detach(adapter); |
| 1780 | dev_err(dev, |
| 1781 | "Device context resets have exceeded the threshold, device interface will be shutdown\n"); |
| 1782 | return -EIO; |
| 1783 | } |
| 1784 | |
| 1785 | dev_info(dev, "Resetting context of VF 0x%x\n", func); |
| 1786 | dev_info(dev, "%s: Context reset count %d for VF 0x%x\n", |
| 1787 | __func__, adapter->reset_ctx_cnt, func); |
| 1788 | set_bit(__QLCNIC_RESETTING, &adapter->state); |
| 1789 | adapter->need_fw_reset = 1; |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 1790 | clear_bit(QLC_83XX_MBX_READY, &mbx->status); |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1791 | qlcnic_sriov_vf_detach(adapter); |
| 1792 | adapter->need_fw_reset = 0; |
| 1793 | |
| 1794 | if (!qlcnic_sriov_vf_reinit_driver(adapter)) { |
| 1795 | qlcnic_sriov_vf_attach(adapter); |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1796 | adapter->tx_timeo_cnt = 0; |
| 1797 | adapter->reset_ctx_cnt = 0; |
| 1798 | adapter->fw_fail_cnt = 0; |
| 1799 | dev_info(dev, "Done resetting context for VF 0x%x\n", func); |
| 1800 | } else { |
| 1801 | dev_err(dev, "%s: Reinitialization of VF 0x%x failed\n", |
| 1802 | __func__, func); |
| 1803 | state = QLCRDX(ahw, QLC_83XX_IDC_DEV_STATE); |
| 1804 | dev_info(dev, "%s: Current state 0x%x\n", __func__, state); |
| 1805 | } |
| 1806 | |
| 1807 | return 0; |
| 1808 | } |
| 1809 | |
| 1810 | static int qlcnic_sriov_vf_idc_ready_state(struct qlcnic_adapter *adapter) |
| 1811 | { |
| 1812 | struct qlcnic_hardware_context *ahw = adapter->ahw; |
| 1813 | int ret = 0; |
| 1814 | |
| 1815 | if (ahw->idc.prev_state != QLC_83XX_IDC_DEV_READY) |
| 1816 | ret = qlcnic_sriov_vf_handle_dev_ready(adapter); |
| 1817 | else if (ahw->reset_context) |
| 1818 | ret = qlcnic_sriov_vf_handle_context_reset(adapter); |
| 1819 | |
| 1820 | clear_bit(__QLCNIC_RESETTING, &adapter->state); |
| 1821 | return ret; |
| 1822 | } |
| 1823 | |
| 1824 | static int qlcnic_sriov_vf_idc_failed_state(struct qlcnic_adapter *adapter) |
| 1825 | { |
| 1826 | struct qlc_83xx_idc *idc = &adapter->ahw->idc; |
| 1827 | |
| 1828 | dev_err(&adapter->pdev->dev, "Device is in failed state\n"); |
| 1829 | if (idc->prev_state == QLC_83XX_IDC_DEV_READY) |
| 1830 | qlcnic_sriov_vf_detach(adapter); |
| 1831 | |
| 1832 | clear_bit(QLC_83XX_MODULE_LOADED, &idc->status); |
| 1833 | clear_bit(__QLCNIC_RESETTING, &adapter->state); |
| 1834 | return -EIO; |
| 1835 | } |
| 1836 | |
| 1837 | static int |
| 1838 | qlcnic_sriov_vf_idc_need_quiescent_state(struct qlcnic_adapter *adapter) |
| 1839 | { |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 1840 | struct qlcnic_mailbox *mbx = adapter->ahw->mailbox; |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1841 | struct qlc_83xx_idc *idc = &adapter->ahw->idc; |
| 1842 | |
| 1843 | dev_info(&adapter->pdev->dev, "Device is in quiescent state\n"); |
| 1844 | if (idc->prev_state == QLC_83XX_IDC_DEV_READY) { |
| 1845 | set_bit(__QLCNIC_RESETTING, &adapter->state); |
| 1846 | adapter->tx_timeo_cnt = 0; |
| 1847 | adapter->reset_ctx_cnt = 0; |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 1848 | clear_bit(QLC_83XX_MBX_READY, &mbx->status); |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1849 | qlcnic_sriov_vf_detach(adapter); |
| 1850 | } |
| 1851 | |
| 1852 | return 0; |
| 1853 | } |
| 1854 | |
| 1855 | static int qlcnic_sriov_vf_idc_init_reset_state(struct qlcnic_adapter *adapter) |
| 1856 | { |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 1857 | struct qlcnic_mailbox *mbx = adapter->ahw->mailbox; |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1858 | struct qlc_83xx_idc *idc = &adapter->ahw->idc; |
| 1859 | u8 func = adapter->ahw->pci_func; |
| 1860 | |
| 1861 | if (idc->prev_state == QLC_83XX_IDC_DEV_READY) { |
| 1862 | dev_err(&adapter->pdev->dev, |
| 1863 | "Firmware hang detected by VF 0x%x\n", func); |
| 1864 | set_bit(__QLCNIC_RESETTING, &adapter->state); |
| 1865 | adapter->tx_timeo_cnt = 0; |
| 1866 | adapter->reset_ctx_cnt = 0; |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 1867 | clear_bit(QLC_83XX_MBX_READY, &mbx->status); |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1868 | qlcnic_sriov_vf_detach(adapter); |
| 1869 | } |
| 1870 | return 0; |
| 1871 | } |
| 1872 | |
| 1873 | static int qlcnic_sriov_vf_idc_unknown_state(struct qlcnic_adapter *adapter) |
| 1874 | { |
| 1875 | dev_err(&adapter->pdev->dev, "%s: Device in unknown state\n", __func__); |
| 1876 | return 0; |
| 1877 | } |
| 1878 | |
Rajesh Borundia | d747c33 | 2014-05-09 02:51:31 -0400 | [diff] [blame] | 1879 | static void qlcnic_sriov_vf_periodic_tasks(struct qlcnic_adapter *adapter) |
| 1880 | { |
| 1881 | if (adapter->fhash.fnum) |
| 1882 | qlcnic_prune_lb_filters(adapter); |
| 1883 | } |
| 1884 | |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1885 | static void qlcnic_sriov_vf_poll_dev_state(struct work_struct *work) |
| 1886 | { |
| 1887 | struct qlcnic_adapter *adapter; |
| 1888 | struct qlc_83xx_idc *idc; |
| 1889 | int ret = 0; |
| 1890 | |
| 1891 | adapter = container_of(work, struct qlcnic_adapter, fw_work.work); |
| 1892 | idc = &adapter->ahw->idc; |
| 1893 | idc->curr_state = QLCRDX(adapter->ahw, QLC_83XX_IDC_DEV_STATE); |
| 1894 | |
| 1895 | switch (idc->curr_state) { |
| 1896 | case QLC_83XX_IDC_DEV_READY: |
| 1897 | ret = qlcnic_sriov_vf_idc_ready_state(adapter); |
| 1898 | break; |
| 1899 | case QLC_83XX_IDC_DEV_NEED_RESET: |
| 1900 | case QLC_83XX_IDC_DEV_INIT: |
| 1901 | ret = qlcnic_sriov_vf_idc_init_reset_state(adapter); |
| 1902 | break; |
| 1903 | case QLC_83XX_IDC_DEV_NEED_QUISCENT: |
| 1904 | ret = qlcnic_sriov_vf_idc_need_quiescent_state(adapter); |
| 1905 | break; |
| 1906 | case QLC_83XX_IDC_DEV_FAILED: |
| 1907 | ret = qlcnic_sriov_vf_idc_failed_state(adapter); |
| 1908 | break; |
| 1909 | case QLC_83XX_IDC_DEV_QUISCENT: |
| 1910 | break; |
| 1911 | default: |
| 1912 | ret = qlcnic_sriov_vf_idc_unknown_state(adapter); |
| 1913 | } |
| 1914 | |
| 1915 | idc->prev_state = idc->curr_state; |
Rajesh Borundia | d747c33 | 2014-05-09 02:51:31 -0400 | [diff] [blame] | 1916 | qlcnic_sriov_vf_periodic_tasks(adapter); |
| 1917 | |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1918 | if (!ret && test_bit(QLC_83XX_MODULE_LOADED, &idc->status)) |
| 1919 | qlcnic_schedule_work(adapter, qlcnic_sriov_vf_poll_dev_state, |
| 1920 | idc->delay); |
| 1921 | } |
| 1922 | |
| 1923 | static void qlcnic_sriov_vf_cancel_fw_work(struct qlcnic_adapter *adapter) |
| 1924 | { |
| 1925 | while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) |
| 1926 | msleep(20); |
| 1927 | |
| 1928 | clear_bit(QLC_83XX_MODULE_LOADED, &adapter->ahw->idc.status); |
| 1929 | clear_bit(__QLCNIC_RESETTING, &adapter->state); |
| 1930 | cancel_delayed_work_sync(&adapter->fw_work); |
| 1931 | } |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 1932 | |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 1933 | static int qlcnic_sriov_check_vlan_id(struct qlcnic_sriov *sriov, |
| 1934 | struct qlcnic_vf_info *vf, u16 vlan_id) |
| 1935 | { |
| 1936 | int i, err = -EINVAL; |
| 1937 | |
| 1938 | if (!vf->sriov_vlans) |
| 1939 | return err; |
| 1940 | |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 1941 | spin_lock_bh(&vf->vlan_list_lock); |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 1942 | |
| 1943 | for (i = 0; i < sriov->num_allowed_vlans; i++) { |
| 1944 | if (vf->sriov_vlans[i] == vlan_id) { |
| 1945 | err = 0; |
| 1946 | break; |
| 1947 | } |
| 1948 | } |
| 1949 | |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 1950 | spin_unlock_bh(&vf->vlan_list_lock); |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 1951 | return err; |
| 1952 | } |
| 1953 | |
| 1954 | static int qlcnic_sriov_validate_num_vlans(struct qlcnic_sriov *sriov, |
| 1955 | struct qlcnic_vf_info *vf) |
| 1956 | { |
| 1957 | int err = 0; |
| 1958 | |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 1959 | spin_lock_bh(&vf->vlan_list_lock); |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 1960 | |
| 1961 | if (vf->num_vlan >= sriov->num_allowed_vlans) |
| 1962 | err = -EINVAL; |
| 1963 | |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 1964 | spin_unlock_bh(&vf->vlan_list_lock); |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 1965 | return err; |
| 1966 | } |
| 1967 | |
| 1968 | static int qlcnic_sriov_validate_vlan_cfg(struct qlcnic_adapter *adapter, |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 1969 | u16 vid, u8 enable) |
| 1970 | { |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 1971 | struct qlcnic_sriov *sriov = adapter->ahw->sriov; |
| 1972 | struct qlcnic_vf_info *vf; |
| 1973 | bool vlan_exist; |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 1974 | u8 allowed = 0; |
| 1975 | int i; |
| 1976 | |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 1977 | vf = &adapter->ahw->sriov->vf_info[0]; |
| 1978 | vlan_exist = qlcnic_sriov_check_any_vlan(vf); |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 1979 | if (sriov->vlan_mode != QLC_GUEST_VLAN_MODE) |
| 1980 | return -EINVAL; |
| 1981 | |
| 1982 | if (enable) { |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 1983 | if (qlcnic_83xx_vf_check(adapter) && vlan_exist) |
| 1984 | return -EINVAL; |
| 1985 | |
| 1986 | if (qlcnic_sriov_validate_num_vlans(sriov, vf)) |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 1987 | return -EINVAL; |
| 1988 | |
| 1989 | if (sriov->any_vlan) { |
| 1990 | for (i = 0; i < sriov->num_allowed_vlans; i++) { |
| 1991 | if (sriov->allowed_vlans[i] == vid) |
| 1992 | allowed = 1; |
| 1993 | } |
| 1994 | |
| 1995 | if (!allowed) |
| 1996 | return -EINVAL; |
| 1997 | } |
| 1998 | } else { |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 1999 | if (!vlan_exist || qlcnic_sriov_check_vlan_id(sriov, vf, vid)) |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 2000 | return -EINVAL; |
| 2001 | } |
| 2002 | |
| 2003 | return 0; |
| 2004 | } |
| 2005 | |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 2006 | static void qlcnic_sriov_vlan_operation(struct qlcnic_vf_info *vf, u16 vlan_id, |
| 2007 | enum qlcnic_vlan_operations opcode) |
| 2008 | { |
| 2009 | struct qlcnic_adapter *adapter = vf->adapter; |
| 2010 | struct qlcnic_sriov *sriov; |
| 2011 | |
| 2012 | sriov = adapter->ahw->sriov; |
| 2013 | |
| 2014 | if (!vf->sriov_vlans) |
| 2015 | return; |
| 2016 | |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 2017 | spin_lock_bh(&vf->vlan_list_lock); |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 2018 | |
| 2019 | switch (opcode) { |
| 2020 | case QLC_VLAN_ADD: |
| 2021 | qlcnic_sriov_add_vlan_id(sriov, vf, vlan_id); |
| 2022 | break; |
| 2023 | case QLC_VLAN_DELETE: |
| 2024 | qlcnic_sriov_del_vlan_id(sriov, vf, vlan_id); |
| 2025 | break; |
| 2026 | default: |
| 2027 | netdev_err(adapter->netdev, "Invalid VLAN operation\n"); |
| 2028 | } |
| 2029 | |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 2030 | spin_unlock_bh(&vf->vlan_list_lock); |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 2031 | return; |
| 2032 | } |
| 2033 | |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 2034 | int qlcnic_sriov_cfg_vf_guest_vlan(struct qlcnic_adapter *adapter, |
| 2035 | u16 vid, u8 enable) |
| 2036 | { |
| 2037 | struct qlcnic_sriov *sriov = adapter->ahw->sriov; |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 2038 | struct net_device *netdev = adapter->netdev; |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 2039 | struct qlcnic_vf_info *vf; |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 2040 | struct qlcnic_cmd_args cmd; |
| 2041 | int ret; |
| 2042 | |
Rajesh Borundia | c531692 | 2014-06-04 03:40:54 -0400 | [diff] [blame] | 2043 | memset(&cmd, 0, sizeof(cmd)); |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 2044 | if (vid == 0) |
| 2045 | return 0; |
| 2046 | |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 2047 | vf = &adapter->ahw->sriov->vf_info[0]; |
| 2048 | ret = qlcnic_sriov_validate_vlan_cfg(adapter, vid, enable); |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 2049 | if (ret) |
| 2050 | return ret; |
| 2051 | |
| 2052 | ret = qlcnic_sriov_alloc_bc_mbx_args(&cmd, |
| 2053 | QLCNIC_BC_CMD_CFG_GUEST_VLAN); |
| 2054 | if (ret) |
| 2055 | return ret; |
| 2056 | |
| 2057 | cmd.req.arg[1] = (enable & 1) | vid << 16; |
| 2058 | |
| 2059 | qlcnic_sriov_cleanup_async_list(&sriov->bc); |
| 2060 | ret = qlcnic_issue_cmd(adapter, &cmd); |
| 2061 | if (ret) { |
| 2062 | dev_err(&adapter->pdev->dev, |
| 2063 | "Failed to configure guest VLAN, err=%d\n", ret); |
| 2064 | } else { |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 2065 | netif_addr_lock_bh(netdev); |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 2066 | qlcnic_free_mac_list(adapter); |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 2067 | netif_addr_unlock_bh(netdev); |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 2068 | |
| 2069 | if (enable) |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 2070 | qlcnic_sriov_vlan_operation(vf, vid, QLC_VLAN_ADD); |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 2071 | else |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 2072 | qlcnic_sriov_vlan_operation(vf, vid, QLC_VLAN_DELETE); |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 2073 | |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 2074 | netif_addr_lock_bh(netdev); |
| 2075 | qlcnic_set_multi(netdev); |
| 2076 | netif_addr_unlock_bh(netdev); |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 2077 | } |
| 2078 | |
| 2079 | qlcnic_free_mbx_args(&cmd); |
| 2080 | return ret; |
| 2081 | } |
| 2082 | |
| 2083 | static void qlcnic_sriov_vf_free_mac_list(struct qlcnic_adapter *adapter) |
| 2084 | { |
| 2085 | struct list_head *head = &adapter->mac_list; |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 2086 | struct qlcnic_mac_vlan_list *cur; |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 2087 | |
| 2088 | while (!list_empty(head)) { |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 2089 | cur = list_entry(head->next, struct qlcnic_mac_vlan_list, list); |
| 2090 | qlcnic_sre_macaddr_change(adapter, cur->mac_addr, cur->vlan_id, |
| 2091 | QLCNIC_MAC_DEL); |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 2092 | list_del(&cur->list); |
| 2093 | kfree(cur); |
| 2094 | } |
| 2095 | } |
Rajesh Borundia | 486a5bc | 2013-06-22 04:12:06 -0400 | [diff] [blame] | 2096 | |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 2097 | |
stephen hemminger | 2104140 | 2014-01-16 10:31:27 -0800 | [diff] [blame] | 2098 | static int qlcnic_sriov_vf_shutdown(struct pci_dev *pdev) |
Rajesh Borundia | 486a5bc | 2013-06-22 04:12:06 -0400 | [diff] [blame] | 2099 | { |
| 2100 | struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); |
| 2101 | struct net_device *netdev = adapter->netdev; |
| 2102 | int retval; |
| 2103 | |
| 2104 | netif_device_detach(netdev); |
| 2105 | qlcnic_cancel_idc_work(adapter); |
| 2106 | |
| 2107 | if (netif_running(netdev)) |
| 2108 | qlcnic_down(adapter, netdev); |
| 2109 | |
| 2110 | qlcnic_sriov_channel_cfg_cmd(adapter, QLCNIC_BC_CMD_CHANNEL_TERM); |
| 2111 | qlcnic_sriov_cfg_bc_intr(adapter, 0); |
| 2112 | qlcnic_83xx_disable_mbx_intr(adapter); |
| 2113 | cancel_delayed_work_sync(&adapter->idc_aen_work); |
| 2114 | |
| 2115 | retval = pci_save_state(pdev); |
| 2116 | if (retval) |
| 2117 | return retval; |
| 2118 | |
| 2119 | return 0; |
| 2120 | } |
| 2121 | |
stephen hemminger | 2104140 | 2014-01-16 10:31:27 -0800 | [diff] [blame] | 2122 | static int qlcnic_sriov_vf_resume(struct qlcnic_adapter *adapter) |
Rajesh Borundia | 486a5bc | 2013-06-22 04:12:06 -0400 | [diff] [blame] | 2123 | { |
| 2124 | struct qlc_83xx_idc *idc = &adapter->ahw->idc; |
| 2125 | struct net_device *netdev = adapter->netdev; |
| 2126 | int err; |
| 2127 | |
| 2128 | set_bit(QLC_83XX_MODULE_LOADED, &idc->status); |
Manish Chopra | e5c4e6c | 2013-08-02 00:57:40 -0400 | [diff] [blame] | 2129 | qlcnic_83xx_enable_mbx_interrupt(adapter); |
Rajesh Borundia | 486a5bc | 2013-06-22 04:12:06 -0400 | [diff] [blame] | 2130 | err = qlcnic_sriov_cfg_bc_intr(adapter, 1); |
| 2131 | if (err) |
| 2132 | return err; |
| 2133 | |
| 2134 | err = qlcnic_sriov_channel_cfg_cmd(adapter, QLCNIC_BC_CMD_CHANNEL_INIT); |
| 2135 | if (!err) { |
| 2136 | if (netif_running(netdev)) { |
| 2137 | err = qlcnic_up(adapter, netdev); |
| 2138 | if (!err) |
| 2139 | qlcnic_restore_indev_addr(netdev, NETDEV_UP); |
| 2140 | } |
| 2141 | } |
| 2142 | |
| 2143 | netif_device_attach(netdev); |
| 2144 | qlcnic_schedule_work(adapter, qlcnic_sriov_vf_poll_dev_state, |
| 2145 | idc->delay); |
| 2146 | return err; |
| 2147 | } |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 2148 | |
| 2149 | void qlcnic_sriov_alloc_vlans(struct qlcnic_adapter *adapter) |
| 2150 | { |
| 2151 | struct qlcnic_sriov *sriov = adapter->ahw->sriov; |
| 2152 | struct qlcnic_vf_info *vf; |
| 2153 | int i; |
| 2154 | |
| 2155 | for (i = 0; i < sriov->num_vfs; i++) { |
| 2156 | vf = &sriov->vf_info[i]; |
| 2157 | vf->sriov_vlans = kcalloc(sriov->num_allowed_vlans, |
| 2158 | sizeof(*vf->sriov_vlans), GFP_KERNEL); |
| 2159 | } |
| 2160 | } |
| 2161 | |
| 2162 | void qlcnic_sriov_free_vlans(struct qlcnic_adapter *adapter) |
| 2163 | { |
| 2164 | struct qlcnic_sriov *sriov = adapter->ahw->sriov; |
| 2165 | struct qlcnic_vf_info *vf; |
| 2166 | int i; |
| 2167 | |
| 2168 | for (i = 0; i < sriov->num_vfs; i++) { |
| 2169 | vf = &sriov->vf_info[i]; |
| 2170 | kfree(vf->sriov_vlans); |
| 2171 | vf->sriov_vlans = NULL; |
| 2172 | } |
| 2173 | } |
| 2174 | |
| 2175 | void qlcnic_sriov_add_vlan_id(struct qlcnic_sriov *sriov, |
| 2176 | struct qlcnic_vf_info *vf, u16 vlan_id) |
| 2177 | { |
| 2178 | int i; |
| 2179 | |
| 2180 | for (i = 0; i < sriov->num_allowed_vlans; i++) { |
| 2181 | if (!vf->sriov_vlans[i]) { |
| 2182 | vf->sriov_vlans[i] = vlan_id; |
| 2183 | vf->num_vlan++; |
| 2184 | return; |
| 2185 | } |
| 2186 | } |
| 2187 | } |
| 2188 | |
| 2189 | void qlcnic_sriov_del_vlan_id(struct qlcnic_sriov *sriov, |
| 2190 | struct qlcnic_vf_info *vf, u16 vlan_id) |
| 2191 | { |
| 2192 | int i; |
| 2193 | |
| 2194 | for (i = 0; i < sriov->num_allowed_vlans; i++) { |
| 2195 | if (vf->sriov_vlans[i] == vlan_id) { |
| 2196 | vf->sriov_vlans[i] = 0; |
| 2197 | vf->num_vlan--; |
| 2198 | return; |
| 2199 | } |
| 2200 | } |
| 2201 | } |
| 2202 | |
| 2203 | bool qlcnic_sriov_check_any_vlan(struct qlcnic_vf_info *vf) |
| 2204 | { |
| 2205 | bool err = false; |
| 2206 | |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 2207 | spin_lock_bh(&vf->vlan_list_lock); |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 2208 | |
| 2209 | if (vf->num_vlan) |
| 2210 | err = true; |
| 2211 | |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 2212 | spin_unlock_bh(&vf->vlan_list_lock); |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 2213 | return err; |
| 2214 | } |