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 | |
Harish Patil | a930a46 | 2015-08-07 07:17:02 -0400 | [diff] [blame] | 8 | #include <linux/types.h> |
| 9 | |
Rajesh Borundia | 02feda1 | 2013-03-29 05:46:33 +0000 | [diff] [blame] | 10 | #include "qlcnic_sriov.h" |
| 11 | #include "qlcnic.h" |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 12 | #include "qlcnic_83xx_hw.h" |
Rajesh Borundia | 02feda1 | 2013-03-29 05:46:33 +0000 | [diff] [blame] | 13 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 14 | #define QLC_BC_COMMAND 0 |
| 15 | #define QLC_BC_RESPONSE 1 |
| 16 | |
| 17 | #define QLC_MBOX_RESP_TIMEOUT (10 * HZ) |
| 18 | #define QLC_MBOX_CH_FREE_TIMEOUT (10 * HZ) |
| 19 | |
| 20 | #define QLC_BC_MSG 0 |
| 21 | #define QLC_BC_CFREE 1 |
Rajesh Borundia | 97d8105 | 2013-04-19 07:01:09 +0000 | [diff] [blame] | 22 | #define QLC_BC_FLR 2 |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 23 | #define QLC_BC_HDR_SZ 16 |
| 24 | #define QLC_BC_PAYLOAD_SZ (1024 - QLC_BC_HDR_SZ) |
| 25 | |
Rajesh Borundia | 7cb03b2 | 2013-03-29 05:46:37 +0000 | [diff] [blame] | 26 | #define QLC_DEFAULT_RCV_DESCRIPTORS_SRIOV_VF 2048 |
| 27 | #define QLC_DEFAULT_JUMBO_RCV_DESCRIPTORS_SRIOV_VF 512 |
| 28 | |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 29 | #define QLC_83XX_VF_RESET_FAIL_THRESH 8 |
| 30 | #define QLC_BC_CMD_MAX_RETRY_CNT 5 |
| 31 | |
Manish Chopra | 2b10d3e | 2016-08-03 04:02:02 -0400 | [diff] [blame] | 32 | static void qlcnic_sriov_handle_async_issue_cmd(struct work_struct *work); |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 33 | static void qlcnic_sriov_vf_free_mac_list(struct qlcnic_adapter *); |
| 34 | 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] | 35 | static void qlcnic_sriov_vf_poll_dev_state(struct work_struct *); |
| 36 | static void qlcnic_sriov_vf_cancel_fw_work(struct qlcnic_adapter *); |
Rajesh Borundia | 97d8105 | 2013-04-19 07:01:09 +0000 | [diff] [blame] | 37 | static void qlcnic_sriov_cleanup_transaction(struct qlcnic_bc_trans *); |
Manish Chopra | e5c4e6c | 2013-08-02 00:57:40 -0400 | [diff] [blame] | 38 | static int qlcnic_sriov_issue_cmd(struct qlcnic_adapter *, |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 39 | struct qlcnic_cmd_args *); |
stephen hemminger | 2104140 | 2014-01-16 10:31:27 -0800 | [diff] [blame] | 40 | static int qlcnic_sriov_channel_cfg_cmd(struct qlcnic_adapter *, u8); |
Sucheta Chakraborty | 1267ff9 | 2013-05-23 21:04:29 +0000 | [diff] [blame] | 41 | static void qlcnic_sriov_process_bc_cmd(struct work_struct *); |
stephen hemminger | 2104140 | 2014-01-16 10:31:27 -0800 | [diff] [blame] | 42 | static int qlcnic_sriov_vf_shutdown(struct pci_dev *); |
| 43 | static int qlcnic_sriov_vf_resume(struct qlcnic_adapter *); |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 44 | static int qlcnic_sriov_async_issue_cmd(struct qlcnic_adapter *, |
| 45 | struct qlcnic_cmd_args *); |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 46 | |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 47 | static struct qlcnic_hardware_ops qlcnic_sriov_vf_hw_ops = { |
| 48 | .read_crb = qlcnic_83xx_read_crb, |
| 49 | .write_crb = qlcnic_83xx_write_crb, |
| 50 | .read_reg = qlcnic_83xx_rd_reg_indirect, |
| 51 | .write_reg = qlcnic_83xx_wrt_reg_indirect, |
| 52 | .get_mac_address = qlcnic_83xx_get_mac_address, |
| 53 | .setup_intr = qlcnic_83xx_setup_intr, |
| 54 | .alloc_mbx_args = qlcnic_83xx_alloc_mbx_args, |
Manish Chopra | e5c4e6c | 2013-08-02 00:57:40 -0400 | [diff] [blame] | 55 | .mbx_cmd = qlcnic_sriov_issue_cmd, |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 56 | .get_func_no = qlcnic_83xx_get_func_no, |
| 57 | .api_lock = qlcnic_83xx_cam_lock, |
| 58 | .api_unlock = qlcnic_83xx_cam_unlock, |
| 59 | .process_lb_rcv_ring_diag = qlcnic_83xx_process_rcv_ring_diag, |
| 60 | .create_rx_ctx = qlcnic_83xx_create_rx_ctx, |
| 61 | .create_tx_ctx = qlcnic_83xx_create_tx_ctx, |
Rajesh Borundia | 7cb03b2 | 2013-03-29 05:46:37 +0000 | [diff] [blame] | 62 | .del_rx_ctx = qlcnic_83xx_del_rx_ctx, |
| 63 | .del_tx_ctx = qlcnic_83xx_del_tx_ctx, |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 64 | .setup_link_event = qlcnic_83xx_setup_link_event, |
| 65 | .get_nic_info = qlcnic_83xx_get_nic_info, |
| 66 | .get_pci_info = qlcnic_83xx_get_pci_info, |
| 67 | .set_nic_info = qlcnic_83xx_set_nic_info, |
| 68 | .change_macvlan = qlcnic_83xx_sre_macaddr_change, |
| 69 | .napi_enable = qlcnic_83xx_napi_enable, |
| 70 | .napi_disable = qlcnic_83xx_napi_disable, |
| 71 | .config_intr_coal = qlcnic_83xx_config_intr_coal, |
| 72 | .config_rss = qlcnic_83xx_config_rss, |
| 73 | .config_hw_lro = qlcnic_83xx_config_hw_lro, |
| 74 | .config_promisc_mode = qlcnic_83xx_nic_set_promisc, |
| 75 | .change_l2_filter = qlcnic_83xx_change_l2_filter, |
| 76 | .get_board_info = qlcnic_83xx_get_port_info, |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 77 | .free_mac_list = qlcnic_sriov_vf_free_mac_list, |
Manish chopra | 2cc5752 | 2014-01-23 17:18:30 -0500 | [diff] [blame] | 78 | .enable_sds_intr = qlcnic_83xx_enable_sds_intr, |
| 79 | .disable_sds_intr = qlcnic_83xx_disable_sds_intr, |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 80 | }; |
| 81 | |
| 82 | static struct qlcnic_nic_template qlcnic_sriov_vf_ops = { |
| 83 | .config_bridged_mode = qlcnic_config_bridged_mode, |
| 84 | .config_led = qlcnic_config_led, |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 85 | .cancel_idc_work = qlcnic_sriov_vf_cancel_fw_work, |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 86 | .napi_add = qlcnic_83xx_napi_add, |
| 87 | .napi_del = qlcnic_83xx_napi_del, |
Rajesh Borundia | 486a5bc | 2013-06-22 04:12:06 -0400 | [diff] [blame] | 88 | .shutdown = qlcnic_sriov_vf_shutdown, |
| 89 | .resume = qlcnic_sriov_vf_resume, |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 90 | .config_ipaddr = qlcnic_83xx_config_ipaddr, |
| 91 | .clear_legacy_intr = qlcnic_83xx_clear_legacy_intr, |
| 92 | }; |
| 93 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 94 | static const struct qlcnic_mailbox_metadata qlcnic_sriov_bc_mbx_tbl[] = { |
| 95 | {QLCNIC_BC_CMD_CHANNEL_INIT, 2, 2}, |
| 96 | {QLCNIC_BC_CMD_CHANNEL_TERM, 2, 2}, |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 97 | {QLCNIC_BC_CMD_GET_ACL, 3, 14}, |
| 98 | {QLCNIC_BC_CMD_CFG_GUEST_VLAN, 2, 2}, |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 99 | }; |
| 100 | |
| 101 | static inline bool qlcnic_sriov_bc_msg_check(u32 val) |
| 102 | { |
| 103 | return (val & (1 << QLC_BC_MSG)) ? true : false; |
| 104 | } |
| 105 | |
| 106 | static inline bool qlcnic_sriov_channel_free_check(u32 val) |
| 107 | { |
| 108 | return (val & (1 << QLC_BC_CFREE)) ? true : false; |
| 109 | } |
| 110 | |
Rajesh Borundia | 97d8105 | 2013-04-19 07:01:09 +0000 | [diff] [blame] | 111 | static inline bool qlcnic_sriov_flr_check(u32 val) |
| 112 | { |
| 113 | return (val & (1 << QLC_BC_FLR)) ? true : false; |
| 114 | } |
| 115 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 116 | static inline u8 qlcnic_sriov_target_func_id(u32 val) |
| 117 | { |
| 118 | return (val >> 4) & 0xff; |
| 119 | } |
| 120 | |
| 121 | static int qlcnic_sriov_virtid_fn(struct qlcnic_adapter *adapter, int vf_id) |
| 122 | { |
| 123 | struct pci_dev *dev = adapter->pdev; |
| 124 | int pos; |
| 125 | u16 stride, offset; |
| 126 | |
| 127 | if (qlcnic_sriov_vf_check(adapter)) |
| 128 | return 0; |
| 129 | |
| 130 | pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_SRIOV); |
| 131 | pci_read_config_word(dev, pos + PCI_SRIOV_VF_OFFSET, &offset); |
| 132 | pci_read_config_word(dev, pos + PCI_SRIOV_VF_STRIDE, &stride); |
| 133 | |
| 134 | return (dev->devfn + offset + stride * vf_id) & 0xff; |
| 135 | } |
| 136 | |
Rajesh Borundia | 02feda1 | 2013-03-29 05:46:33 +0000 | [diff] [blame] | 137 | int qlcnic_sriov_init(struct qlcnic_adapter *adapter, int num_vfs) |
| 138 | { |
| 139 | struct qlcnic_sriov *sriov; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 140 | struct qlcnic_back_channel *bc; |
| 141 | struct workqueue_struct *wq; |
| 142 | struct qlcnic_vport *vp; |
| 143 | struct qlcnic_vf_info *vf; |
| 144 | int err, i; |
Rajesh Borundia | 02feda1 | 2013-03-29 05:46:33 +0000 | [diff] [blame] | 145 | |
| 146 | if (!qlcnic_sriov_enable_check(adapter)) |
| 147 | return -EIO; |
| 148 | |
| 149 | sriov = kzalloc(sizeof(struct qlcnic_sriov), GFP_KERNEL); |
| 150 | if (!sriov) |
| 151 | return -ENOMEM; |
| 152 | |
| 153 | adapter->ahw->sriov = sriov; |
| 154 | sriov->num_vfs = num_vfs; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 155 | bc = &sriov->bc; |
| 156 | sriov->vf_info = kzalloc(sizeof(struct qlcnic_vf_info) * |
| 157 | num_vfs, GFP_KERNEL); |
| 158 | if (!sriov->vf_info) { |
| 159 | err = -ENOMEM; |
| 160 | goto qlcnic_free_sriov; |
| 161 | } |
| 162 | |
| 163 | wq = create_singlethread_workqueue("bc-trans"); |
| 164 | if (wq == NULL) { |
| 165 | err = -ENOMEM; |
| 166 | dev_err(&adapter->pdev->dev, |
| 167 | "Cannot create bc-trans workqueue\n"); |
| 168 | goto qlcnic_free_vf_info; |
| 169 | } |
| 170 | |
| 171 | bc->bc_trans_wq = wq; |
| 172 | |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 173 | wq = create_singlethread_workqueue("async"); |
| 174 | if (wq == NULL) { |
| 175 | err = -ENOMEM; |
| 176 | dev_err(&adapter->pdev->dev, "Cannot create async workqueue\n"); |
| 177 | goto qlcnic_destroy_trans_wq; |
| 178 | } |
| 179 | |
| 180 | bc->bc_async_wq = wq; |
Manish Chopra | 2b10d3e | 2016-08-03 04:02:02 -0400 | [diff] [blame] | 181 | INIT_LIST_HEAD(&bc->async_cmd_list); |
| 182 | INIT_WORK(&bc->vf_async_work, qlcnic_sriov_handle_async_issue_cmd); |
| 183 | spin_lock_init(&bc->queue_lock); |
| 184 | bc->adapter = adapter; |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 185 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 186 | for (i = 0; i < num_vfs; i++) { |
| 187 | vf = &sriov->vf_info[i]; |
| 188 | vf->adapter = adapter; |
| 189 | vf->pci_func = qlcnic_sriov_virtid_fn(adapter, i); |
| 190 | mutex_init(&vf->send_cmd_lock); |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 191 | spin_lock_init(&vf->vlan_list_lock); |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 192 | INIT_LIST_HEAD(&vf->rcv_act.wait_list); |
| 193 | INIT_LIST_HEAD(&vf->rcv_pend.wait_list); |
| 194 | spin_lock_init(&vf->rcv_act.lock); |
| 195 | spin_lock_init(&vf->rcv_pend.lock); |
| 196 | init_completion(&vf->ch_free_cmpl); |
| 197 | |
Sucheta Chakraborty | 1267ff9 | 2013-05-23 21:04:29 +0000 | [diff] [blame] | 198 | INIT_WORK(&vf->trans_work, qlcnic_sriov_process_bc_cmd); |
| 199 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 200 | if (qlcnic_sriov_pf_check(adapter)) { |
| 201 | vp = kzalloc(sizeof(struct qlcnic_vport), GFP_KERNEL); |
| 202 | if (!vp) { |
| 203 | err = -ENOMEM; |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 204 | goto qlcnic_destroy_async_wq; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 205 | } |
| 206 | sriov->vf_info[i].vp = vp; |
Rajesh Borundia | d747c33 | 2014-05-09 02:51:31 -0400 | [diff] [blame] | 207 | vp->vlan_mode = QLC_GUEST_VLAN_MODE; |
Rajesh Borundia | 4000e7a | 2013-04-19 07:01:11 +0000 | [diff] [blame] | 208 | vp->max_tx_bw = MAX_BW; |
Sucheta Chakraborty | ed61668 | 2014-05-22 09:59:05 -0400 | [diff] [blame] | 209 | vp->min_tx_bw = MIN_BW; |
Rajesh Borundia | 132a3f2 | 2014-05-09 02:51:29 -0400 | [diff] [blame] | 210 | vp->spoofchk = false; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 211 | random_ether_addr(vp->mac); |
| 212 | dev_info(&adapter->pdev->dev, |
| 213 | "MAC Address %pM is configured for VF %d\n", |
| 214 | vp->mac, i); |
| 215 | } |
| 216 | } |
| 217 | |
Rajesh Borundia | 02feda1 | 2013-03-29 05:46:33 +0000 | [diff] [blame] | 218 | return 0; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 219 | |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 220 | qlcnic_destroy_async_wq: |
| 221 | destroy_workqueue(bc->bc_async_wq); |
| 222 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 223 | qlcnic_destroy_trans_wq: |
| 224 | destroy_workqueue(bc->bc_trans_wq); |
| 225 | |
| 226 | qlcnic_free_vf_info: |
| 227 | kfree(sriov->vf_info); |
| 228 | |
| 229 | qlcnic_free_sriov: |
| 230 | kfree(adapter->ahw->sriov); |
| 231 | return err; |
Rajesh Borundia | 02feda1 | 2013-03-29 05:46:33 +0000 | [diff] [blame] | 232 | } |
| 233 | |
Rajesh Borundia | 97d8105 | 2013-04-19 07:01:09 +0000 | [diff] [blame] | 234 | void qlcnic_sriov_cleanup_list(struct qlcnic_trans_list *t_list) |
| 235 | { |
| 236 | struct qlcnic_bc_trans *trans; |
| 237 | struct qlcnic_cmd_args cmd; |
| 238 | unsigned long flags; |
| 239 | |
| 240 | spin_lock_irqsave(&t_list->lock, flags); |
| 241 | |
| 242 | while (!list_empty(&t_list->wait_list)) { |
| 243 | trans = list_first_entry(&t_list->wait_list, |
| 244 | struct qlcnic_bc_trans, list); |
| 245 | list_del(&trans->list); |
| 246 | t_list->count--; |
| 247 | cmd.req.arg = (u32 *)trans->req_pay; |
| 248 | cmd.rsp.arg = (u32 *)trans->rsp_pay; |
| 249 | qlcnic_free_mbx_args(&cmd); |
| 250 | qlcnic_sriov_cleanup_transaction(trans); |
| 251 | } |
| 252 | |
| 253 | spin_unlock_irqrestore(&t_list->lock, flags); |
| 254 | } |
| 255 | |
Rajesh Borundia | 02feda1 | 2013-03-29 05:46:33 +0000 | [diff] [blame] | 256 | void __qlcnic_sriov_cleanup(struct qlcnic_adapter *adapter) |
| 257 | { |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 258 | struct qlcnic_sriov *sriov = adapter->ahw->sriov; |
| 259 | struct qlcnic_back_channel *bc = &sriov->bc; |
Rajesh Borundia | 97d8105 | 2013-04-19 07:01:09 +0000 | [diff] [blame] | 260 | struct qlcnic_vf_info *vf; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 261 | int i; |
| 262 | |
Rajesh Borundia | 02feda1 | 2013-03-29 05:46:33 +0000 | [diff] [blame] | 263 | if (!qlcnic_sriov_enable_check(adapter)) |
| 264 | return; |
| 265 | |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 266 | qlcnic_sriov_cleanup_async_list(bc); |
| 267 | destroy_workqueue(bc->bc_async_wq); |
Rajesh Borundia | 97d8105 | 2013-04-19 07:01:09 +0000 | [diff] [blame] | 268 | |
| 269 | for (i = 0; i < sriov->num_vfs; i++) { |
| 270 | vf = &sriov->vf_info[i]; |
| 271 | qlcnic_sriov_cleanup_list(&vf->rcv_pend); |
| 272 | cancel_work_sync(&vf->trans_work); |
| 273 | qlcnic_sriov_cleanup_list(&vf->rcv_act); |
| 274 | } |
| 275 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 276 | destroy_workqueue(bc->bc_trans_wq); |
| 277 | |
| 278 | for (i = 0; i < sriov->num_vfs; i++) |
| 279 | kfree(sriov->vf_info[i].vp); |
| 280 | |
| 281 | kfree(sriov->vf_info); |
Rajesh Borundia | 02feda1 | 2013-03-29 05:46:33 +0000 | [diff] [blame] | 282 | kfree(adapter->ahw->sriov); |
| 283 | } |
| 284 | |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 285 | static void qlcnic_sriov_vf_cleanup(struct qlcnic_adapter *adapter) |
| 286 | { |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 287 | qlcnic_sriov_channel_cfg_cmd(adapter, QLCNIC_BC_CMD_CHANNEL_TERM); |
| 288 | qlcnic_sriov_cfg_bc_intr(adapter, 0); |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 289 | __qlcnic_sriov_cleanup(adapter); |
| 290 | } |
| 291 | |
Rajesh Borundia | 02feda1 | 2013-03-29 05:46:33 +0000 | [diff] [blame] | 292 | void qlcnic_sriov_cleanup(struct qlcnic_adapter *adapter) |
| 293 | { |
Manish Chopra | 6e1f586 | 2014-01-10 11:48:57 -0500 | [diff] [blame] | 294 | if (!test_bit(__QLCNIC_SRIOV_ENABLE, &adapter->state)) |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 295 | return; |
| 296 | |
| 297 | qlcnic_sriov_free_vlans(adapter); |
| 298 | |
Rajesh Borundia | 02feda1 | 2013-03-29 05:46:33 +0000 | [diff] [blame] | 299 | if (qlcnic_sriov_pf_check(adapter)) |
| 300 | qlcnic_sriov_pf_cleanup(adapter); |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 301 | |
| 302 | if (qlcnic_sriov_vf_check(adapter)) |
| 303 | qlcnic_sriov_vf_cleanup(adapter); |
| 304 | } |
| 305 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 306 | static int qlcnic_sriov_post_bc_msg(struct qlcnic_adapter *adapter, u32 *hdr, |
| 307 | u32 *pay, u8 pci_func, u8 size) |
| 308 | { |
| 309 | struct qlcnic_hardware_context *ahw = adapter->ahw; |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 310 | struct qlcnic_mailbox *mbx = ahw->mailbox; |
| 311 | struct qlcnic_cmd_args cmd; |
| 312 | unsigned long timeout; |
| 313 | int err; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 314 | |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 315 | memset(&cmd, 0, sizeof(struct qlcnic_cmd_args)); |
| 316 | cmd.hdr = hdr; |
| 317 | cmd.pay = pay; |
| 318 | cmd.pay_size = size; |
| 319 | cmd.func_num = pci_func; |
| 320 | cmd.op_type = QLC_83XX_MBX_POST_BC_OP; |
| 321 | cmd.cmd_op = ((struct qlcnic_bc_hdr *)hdr)->cmd_op; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 322 | |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 323 | err = mbx->ops->enqueue_cmd(adapter, &cmd, &timeout); |
| 324 | if (err) { |
| 325 | dev_err(&adapter->pdev->dev, |
| 326 | "%s: Mailbox not available, cmd_op=0x%x, cmd_type=0x%x, pci_func=0x%x, op_mode=0x%x\n", |
| 327 | __func__, cmd.cmd_op, cmd.type, ahw->pci_func, |
| 328 | ahw->op_mode); |
| 329 | return err; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 330 | } |
| 331 | |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 332 | if (!wait_for_completion_timeout(&cmd.completion, timeout)) { |
| 333 | dev_err(&adapter->pdev->dev, |
| 334 | "%s: Mailbox command timed out, cmd_op=0x%x, cmd_type=0x%x, pci_func=0x%x, op_mode=0x%x\n", |
| 335 | __func__, cmd.cmd_op, cmd.type, ahw->pci_func, |
| 336 | ahw->op_mode); |
| 337 | flush_workqueue(mbx->work_q); |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 338 | } |
| 339 | |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 340 | return cmd.rsp_opcode; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 341 | } |
| 342 | |
Rajesh Borundia | 7cb03b2 | 2013-03-29 05:46:37 +0000 | [diff] [blame] | 343 | static void qlcnic_sriov_vf_cfg_buff_desc(struct qlcnic_adapter *adapter) |
| 344 | { |
| 345 | adapter->num_rxd = QLC_DEFAULT_RCV_DESCRIPTORS_SRIOV_VF; |
| 346 | adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G; |
| 347 | adapter->num_jumbo_rxd = QLC_DEFAULT_JUMBO_RCV_DESCRIPTORS_SRIOV_VF; |
| 348 | adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; |
| 349 | adapter->num_txd = MAX_CMD_DESCRIPTORS; |
| 350 | adapter->max_rds_rings = MAX_RDS_RINGS; |
| 351 | } |
| 352 | |
Rajesh Borundia | 4000e7a | 2013-04-19 07:01:11 +0000 | [diff] [blame] | 353 | int qlcnic_sriov_get_vf_vport_info(struct qlcnic_adapter *adapter, |
| 354 | struct qlcnic_info *npar_info, u16 vport_id) |
| 355 | { |
| 356 | struct device *dev = &adapter->pdev->dev; |
| 357 | struct qlcnic_cmd_args cmd; |
| 358 | int err; |
| 359 | u32 status; |
| 360 | |
| 361 | err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_NIC_INFO); |
| 362 | if (err) |
| 363 | return err; |
| 364 | |
| 365 | cmd.req.arg[1] = vport_id << 16 | 0x1; |
| 366 | err = qlcnic_issue_cmd(adapter, &cmd); |
| 367 | if (err) { |
| 368 | dev_err(&adapter->pdev->dev, |
| 369 | "Failed to get vport info, err=%d\n", err); |
| 370 | qlcnic_free_mbx_args(&cmd); |
| 371 | return err; |
| 372 | } |
| 373 | |
| 374 | status = cmd.rsp.arg[2] & 0xffff; |
| 375 | if (status & BIT_0) |
| 376 | npar_info->min_tx_bw = MSW(cmd.rsp.arg[2]); |
| 377 | if (status & BIT_1) |
| 378 | npar_info->max_tx_bw = LSW(cmd.rsp.arg[3]); |
| 379 | if (status & BIT_2) |
| 380 | npar_info->max_tx_ques = MSW(cmd.rsp.arg[3]); |
| 381 | if (status & BIT_3) |
| 382 | npar_info->max_tx_mac_filters = LSW(cmd.rsp.arg[4]); |
| 383 | if (status & BIT_4) |
| 384 | npar_info->max_rx_mcast_mac_filters = MSW(cmd.rsp.arg[4]); |
| 385 | if (status & BIT_5) |
| 386 | npar_info->max_rx_ucast_mac_filters = LSW(cmd.rsp.arg[5]); |
| 387 | if (status & BIT_6) |
| 388 | npar_info->max_rx_ip_addr = MSW(cmd.rsp.arg[5]); |
| 389 | if (status & BIT_7) |
| 390 | npar_info->max_rx_lro_flow = LSW(cmd.rsp.arg[6]); |
| 391 | if (status & BIT_8) |
| 392 | npar_info->max_rx_status_rings = MSW(cmd.rsp.arg[6]); |
| 393 | if (status & BIT_9) |
| 394 | npar_info->max_rx_buf_rings = LSW(cmd.rsp.arg[7]); |
| 395 | |
| 396 | npar_info->max_rx_ques = MSW(cmd.rsp.arg[7]); |
| 397 | npar_info->max_tx_vlan_keys = LSW(cmd.rsp.arg[8]); |
| 398 | npar_info->max_local_ipv6_addrs = MSW(cmd.rsp.arg[8]); |
| 399 | npar_info->max_remote_ipv6_addrs = LSW(cmd.rsp.arg[9]); |
| 400 | |
| 401 | dev_info(dev, "\n\tmin_tx_bw: %d, max_tx_bw: %d max_tx_ques: %d,\n" |
| 402 | "\tmax_tx_mac_filters: %d max_rx_mcast_mac_filters: %d,\n" |
| 403 | "\tmax_rx_ucast_mac_filters: 0x%x, max_rx_ip_addr: %d,\n" |
| 404 | "\tmax_rx_lro_flow: %d max_rx_status_rings: %d,\n" |
| 405 | "\tmax_rx_buf_rings: %d, max_rx_ques: %d, max_tx_vlan_keys %d\n" |
| 406 | "\tlocal_ipv6_addr: %d, remote_ipv6_addr: %d\n", |
| 407 | npar_info->min_tx_bw, npar_info->max_tx_bw, |
| 408 | npar_info->max_tx_ques, npar_info->max_tx_mac_filters, |
| 409 | npar_info->max_rx_mcast_mac_filters, |
| 410 | npar_info->max_rx_ucast_mac_filters, npar_info->max_rx_ip_addr, |
| 411 | npar_info->max_rx_lro_flow, npar_info->max_rx_status_rings, |
| 412 | npar_info->max_rx_buf_rings, npar_info->max_rx_ques, |
| 413 | npar_info->max_tx_vlan_keys, npar_info->max_local_ipv6_addrs, |
| 414 | npar_info->max_remote_ipv6_addrs); |
| 415 | |
| 416 | qlcnic_free_mbx_args(&cmd); |
| 417 | return err; |
| 418 | } |
| 419 | |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 420 | static int qlcnic_sriov_set_pvid_mode(struct qlcnic_adapter *adapter, |
Manish Chopra | 991ca26 | 2013-08-30 13:51:16 -0400 | [diff] [blame] | 421 | struct qlcnic_cmd_args *cmd) |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 422 | { |
Manish Chopra | 991ca26 | 2013-08-30 13:51:16 -0400 | [diff] [blame] | 423 | adapter->rx_pvid = MSW(cmd->rsp.arg[1]) & 0xffff; |
| 424 | adapter->flags &= ~QLCNIC_TAGGING_ENABLED; |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 425 | return 0; |
| 426 | } |
| 427 | |
| 428 | static int qlcnic_sriov_set_guest_vlan_mode(struct qlcnic_adapter *adapter, |
| 429 | struct qlcnic_cmd_args *cmd) |
| 430 | { |
| 431 | struct qlcnic_sriov *sriov = adapter->ahw->sriov; |
| 432 | int i, num_vlans; |
| 433 | u16 *vlans; |
| 434 | |
| 435 | if (sriov->allowed_vlans) |
| 436 | return 0; |
| 437 | |
| 438 | sriov->any_vlan = cmd->rsp.arg[2] & 0xf; |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 439 | sriov->num_allowed_vlans = cmd->rsp.arg[2] >> 16; |
| 440 | dev_info(&adapter->pdev->dev, "Number of allowed Guest VLANs = %d\n", |
| 441 | sriov->num_allowed_vlans); |
| 442 | |
| 443 | qlcnic_sriov_alloc_vlans(adapter); |
| 444 | |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 445 | if (!sriov->any_vlan) |
| 446 | return 0; |
| 447 | |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 448 | num_vlans = sriov->num_allowed_vlans; |
| 449 | sriov->allowed_vlans = kzalloc(sizeof(u16) * num_vlans, GFP_KERNEL); |
| 450 | if (!sriov->allowed_vlans) |
| 451 | return -ENOMEM; |
| 452 | |
| 453 | vlans = (u16 *)&cmd->rsp.arg[3]; |
| 454 | for (i = 0; i < num_vlans; i++) |
| 455 | sriov->allowed_vlans[i] = vlans[i]; |
| 456 | |
| 457 | return 0; |
| 458 | } |
| 459 | |
Rajesh Borundia | bcf6cb1 | 2014-01-28 11:55:28 -0500 | [diff] [blame] | 460 | static int qlcnic_sriov_get_vf_acl(struct qlcnic_adapter *adapter) |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 461 | { |
| 462 | struct qlcnic_sriov *sriov = adapter->ahw->sriov; |
| 463 | struct qlcnic_cmd_args cmd; |
Manish Chopra | 991ca26 | 2013-08-30 13:51:16 -0400 | [diff] [blame] | 464 | int ret = 0; |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 465 | |
Rajesh Borundia | c531692 | 2014-06-04 03:40:54 -0400 | [diff] [blame] | 466 | memset(&cmd, 0, sizeof(cmd)); |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 467 | ret = qlcnic_sriov_alloc_bc_mbx_args(&cmd, QLCNIC_BC_CMD_GET_ACL); |
| 468 | if (ret) |
| 469 | return ret; |
| 470 | |
| 471 | ret = qlcnic_issue_cmd(adapter, &cmd); |
| 472 | if (ret) { |
| 473 | dev_err(&adapter->pdev->dev, "Failed to get ACL, err=%d\n", |
| 474 | ret); |
| 475 | } else { |
| 476 | sriov->vlan_mode = cmd.rsp.arg[1] & 0x3; |
| 477 | switch (sriov->vlan_mode) { |
| 478 | case QLC_GUEST_VLAN_MODE: |
| 479 | ret = qlcnic_sriov_set_guest_vlan_mode(adapter, &cmd); |
| 480 | break; |
| 481 | case QLC_PVID_MODE: |
Manish Chopra | 991ca26 | 2013-08-30 13:51:16 -0400 | [diff] [blame] | 482 | ret = qlcnic_sriov_set_pvid_mode(adapter, &cmd); |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 483 | break; |
| 484 | } |
| 485 | } |
| 486 | |
| 487 | qlcnic_free_mbx_args(&cmd); |
| 488 | return ret; |
| 489 | } |
| 490 | |
Rajesh Borundia | 7cb03b2 | 2013-03-29 05:46:37 +0000 | [diff] [blame] | 491 | static int qlcnic_sriov_vf_init_driver(struct qlcnic_adapter *adapter) |
| 492 | { |
Rajesh Borundia | 7cb03b2 | 2013-03-29 05:46:37 +0000 | [diff] [blame] | 493 | struct qlcnic_hardware_context *ahw = adapter->ahw; |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 494 | struct qlcnic_info nic_info; |
Rajesh Borundia | 7cb03b2 | 2013-03-29 05:46:37 +0000 | [diff] [blame] | 495 | int err; |
| 496 | |
Rajesh Borundia | 4000e7a | 2013-04-19 07:01:11 +0000 | [diff] [blame] | 497 | err = qlcnic_sriov_get_vf_vport_info(adapter, &nic_info, 0); |
| 498 | if (err) |
| 499 | return err; |
| 500 | |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 501 | ahw->max_mc_count = nic_info.max_rx_mcast_mac_filters; |
| 502 | |
Rajesh Borundia | 7cb03b2 | 2013-03-29 05:46:37 +0000 | [diff] [blame] | 503 | err = qlcnic_get_nic_info(adapter, &nic_info, ahw->pci_func); |
| 504 | if (err) |
| 505 | return -EIO; |
| 506 | |
| 507 | if (qlcnic_83xx_get_port_info(adapter)) |
| 508 | return -EIO; |
| 509 | |
| 510 | qlcnic_sriov_vf_cfg_buff_desc(adapter); |
| 511 | adapter->flags |= QLCNIC_ADAPTER_INITIALIZED; |
| 512 | dev_info(&adapter->pdev->dev, "HAL Version: %d\n", |
| 513 | adapter->ahw->fw_hal_version); |
| 514 | |
| 515 | ahw->physical_port = (u8) nic_info.phys_port; |
| 516 | ahw->switch_mode = nic_info.switch_mode; |
| 517 | ahw->max_mtu = nic_info.max_mtu; |
| 518 | ahw->op_mode = nic_info.op_mode; |
| 519 | ahw->capabilities = nic_info.capabilities; |
| 520 | return 0; |
| 521 | } |
| 522 | |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 523 | static int qlcnic_sriov_setup_vf(struct qlcnic_adapter *adapter, |
| 524 | int pci_using_dac) |
| 525 | { |
| 526 | int err; |
| 527 | |
Rajesh Borundia | d747c33 | 2014-05-09 02:51:31 -0400 | [diff] [blame] | 528 | adapter->flags |= QLCNIC_VLAN_FILTERING; |
| 529 | adapter->ahw->total_nic_func = 1; |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 530 | INIT_LIST_HEAD(&adapter->vf_mc_list); |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 531 | if (!qlcnic_use_msi_x && !!qlcnic_use_msi) |
| 532 | dev_warn(&adapter->pdev->dev, |
Pratik Pujar | 01b91f4 | 2013-08-02 23:15:57 -0400 | [diff] [blame] | 533 | "Device does not support MSI interrupts\n"); |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 534 | |
Himanshu Madhani | 34e8c40 | 2013-11-04 13:31:31 -0500 | [diff] [blame] | 535 | /* compute and set default and max tx/sds rings */ |
| 536 | qlcnic_set_tx_ring_count(adapter, QLCNIC_SINGLE_RING); |
| 537 | qlcnic_set_sds_ring_count(adapter, QLCNIC_SINGLE_RING); |
| 538 | |
| 539 | err = qlcnic_setup_intr(adapter); |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 540 | if (err) { |
| 541 | dev_err(&adapter->pdev->dev, "Failed to setup interrupt\n"); |
| 542 | goto err_out_disable_msi; |
| 543 | } |
| 544 | |
| 545 | err = qlcnic_83xx_setup_mbx_intr(adapter); |
| 546 | if (err) |
| 547 | goto err_out_disable_msi; |
| 548 | |
| 549 | err = qlcnic_sriov_init(adapter, 1); |
| 550 | if (err) |
| 551 | goto err_out_disable_mbx_intr; |
| 552 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 553 | err = qlcnic_sriov_cfg_bc_intr(adapter, 1); |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 554 | if (err) |
| 555 | goto err_out_cleanup_sriov; |
| 556 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 557 | err = qlcnic_sriov_channel_cfg_cmd(adapter, QLCNIC_BC_CMD_CHANNEL_INIT); |
| 558 | if (err) |
| 559 | goto err_out_disable_bc_intr; |
| 560 | |
Rajesh Borundia | 7cb03b2 | 2013-03-29 05:46:37 +0000 | [diff] [blame] | 561 | err = qlcnic_sriov_vf_init_driver(adapter); |
| 562 | if (err) |
| 563 | goto err_out_send_channel_term; |
| 564 | |
Rajesh Borundia | bcf6cb1 | 2014-01-28 11:55:28 -0500 | [diff] [blame] | 565 | err = qlcnic_sriov_get_vf_acl(adapter); |
| 566 | if (err) |
| 567 | goto err_out_send_channel_term; |
| 568 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 569 | err = qlcnic_setup_netdev(adapter, adapter->netdev, pci_using_dac); |
| 570 | if (err) |
| 571 | goto err_out_send_channel_term; |
| 572 | |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 573 | pci_set_drvdata(adapter->pdev, adapter); |
| 574 | dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n", |
| 575 | adapter->netdev->name); |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 576 | |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 577 | qlcnic_schedule_work(adapter, qlcnic_sriov_vf_poll_dev_state, |
| 578 | adapter->ahw->idc.delay); |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 579 | return 0; |
| 580 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 581 | err_out_send_channel_term: |
| 582 | qlcnic_sriov_channel_cfg_cmd(adapter, QLCNIC_BC_CMD_CHANNEL_TERM); |
| 583 | |
| 584 | err_out_disable_bc_intr: |
| 585 | qlcnic_sriov_cfg_bc_intr(adapter, 0); |
| 586 | |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 587 | err_out_cleanup_sriov: |
| 588 | __qlcnic_sriov_cleanup(adapter); |
| 589 | |
| 590 | err_out_disable_mbx_intr: |
| 591 | qlcnic_83xx_free_mbx_intr(adapter); |
| 592 | |
| 593 | err_out_disable_msi: |
| 594 | qlcnic_teardown_intr(adapter); |
| 595 | return err; |
| 596 | } |
| 597 | |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 598 | static int qlcnic_sriov_check_dev_ready(struct qlcnic_adapter *adapter) |
| 599 | { |
| 600 | u32 state; |
| 601 | |
| 602 | do { |
| 603 | msleep(20); |
| 604 | if (++adapter->fw_fail_cnt > QLC_BC_CMD_MAX_RETRY_CNT) |
| 605 | return -EIO; |
| 606 | state = QLCRDX(adapter->ahw, QLC_83XX_IDC_DEV_STATE); |
| 607 | } while (state != QLC_83XX_IDC_DEV_READY); |
| 608 | |
| 609 | return 0; |
| 610 | } |
| 611 | |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 612 | int qlcnic_sriov_vf_init(struct qlcnic_adapter *adapter, int pci_using_dac) |
| 613 | { |
| 614 | struct qlcnic_hardware_context *ahw = adapter->ahw; |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 615 | int err; |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 616 | |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 617 | set_bit(QLC_83XX_MODULE_LOADED, &ahw->idc.status); |
| 618 | ahw->idc.delay = QLC_83XX_IDC_FW_POLL_DELAY; |
| 619 | ahw->reset_context = 0; |
| 620 | adapter->fw_fail_cnt = 0; |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 621 | ahw->msix_supported = 1; |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 622 | adapter->need_fw_reset = 0; |
Rajesh Borundia | da6c806 | 2013-03-29 05:46:35 +0000 | [diff] [blame] | 623 | adapter->flags |= QLCNIC_TX_INTR_SHARED; |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 624 | |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 625 | err = qlcnic_sriov_check_dev_ready(adapter); |
| 626 | if (err) |
| 627 | return err; |
| 628 | |
| 629 | err = qlcnic_sriov_setup_vf(adapter, pci_using_dac); |
| 630 | if (err) |
| 631 | return err; |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 632 | |
| 633 | if (qlcnic_read_mac_addr(adapter)) |
| 634 | dev_warn(&adapter->pdev->dev, "failed to read mac addr\n"); |
| 635 | |
Sucheta Chakraborty | 1267ff9 | 2013-05-23 21:04:29 +0000 | [diff] [blame] | 636 | INIT_DELAYED_WORK(&adapter->idc_aen_work, qlcnic_83xx_idc_aen_work); |
| 637 | |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 638 | clear_bit(__QLCNIC_RESETTING, &adapter->state); |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 639 | return 0; |
| 640 | } |
| 641 | |
| 642 | void qlcnic_sriov_vf_set_ops(struct qlcnic_adapter *adapter) |
| 643 | { |
| 644 | struct qlcnic_hardware_context *ahw = adapter->ahw; |
| 645 | |
| 646 | ahw->op_mode = QLCNIC_SRIOV_VF_FUNC; |
| 647 | dev_info(&adapter->pdev->dev, |
| 648 | "HAL Version: %d Non Privileged SRIOV function\n", |
| 649 | ahw->fw_hal_version); |
| 650 | adapter->nic_ops = &qlcnic_sriov_vf_ops; |
| 651 | set_bit(__QLCNIC_SRIOV_ENABLE, &adapter->state); |
| 652 | return; |
| 653 | } |
| 654 | |
| 655 | void qlcnic_sriov_vf_register_map(struct qlcnic_hardware_context *ahw) |
| 656 | { |
| 657 | ahw->hw_ops = &qlcnic_sriov_vf_hw_ops; |
| 658 | ahw->reg_tbl = (u32 *)qlcnic_83xx_reg_tbl; |
| 659 | ahw->ext_reg_tbl = (u32 *)qlcnic_83xx_ext_reg_tbl; |
Rajesh Borundia | 02feda1 | 2013-03-29 05:46:33 +0000 | [diff] [blame] | 660 | } |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 661 | |
| 662 | static u32 qlcnic_sriov_get_bc_paysize(u32 real_pay_size, u8 curr_frag) |
| 663 | { |
| 664 | u32 pay_size; |
| 665 | |
| 666 | pay_size = real_pay_size / ((curr_frag + 1) * QLC_BC_PAYLOAD_SZ); |
| 667 | |
| 668 | if (pay_size) |
| 669 | pay_size = QLC_BC_PAYLOAD_SZ; |
| 670 | else |
| 671 | pay_size = real_pay_size % QLC_BC_PAYLOAD_SZ; |
| 672 | |
| 673 | return pay_size; |
| 674 | } |
| 675 | |
| 676 | int qlcnic_sriov_func_to_index(struct qlcnic_adapter *adapter, u8 pci_func) |
| 677 | { |
| 678 | struct qlcnic_vf_info *vf_info = adapter->ahw->sriov->vf_info; |
| 679 | u8 i; |
| 680 | |
| 681 | if (qlcnic_sriov_vf_check(adapter)) |
| 682 | return 0; |
| 683 | |
| 684 | for (i = 0; i < adapter->ahw->sriov->num_vfs; i++) { |
| 685 | if (vf_info[i].pci_func == pci_func) |
| 686 | return i; |
| 687 | } |
| 688 | |
| 689 | return -EINVAL; |
| 690 | } |
| 691 | |
| 692 | static inline int qlcnic_sriov_alloc_bc_trans(struct qlcnic_bc_trans **trans) |
| 693 | { |
| 694 | *trans = kzalloc(sizeof(struct qlcnic_bc_trans), GFP_ATOMIC); |
| 695 | if (!*trans) |
| 696 | return -ENOMEM; |
| 697 | |
| 698 | init_completion(&(*trans)->resp_cmpl); |
| 699 | return 0; |
| 700 | } |
| 701 | |
| 702 | static inline int qlcnic_sriov_alloc_bc_msg(struct qlcnic_bc_hdr **hdr, |
| 703 | u32 size) |
| 704 | { |
| 705 | *hdr = kzalloc(sizeof(struct qlcnic_bc_hdr) * size, GFP_ATOMIC); |
| 706 | if (!*hdr) |
| 707 | return -ENOMEM; |
| 708 | |
| 709 | return 0; |
| 710 | } |
| 711 | |
| 712 | static int qlcnic_sriov_alloc_bc_mbx_args(struct qlcnic_cmd_args *mbx, u32 type) |
| 713 | { |
| 714 | const struct qlcnic_mailbox_metadata *mbx_tbl; |
| 715 | int i, size; |
| 716 | |
| 717 | mbx_tbl = qlcnic_sriov_bc_mbx_tbl; |
| 718 | size = ARRAY_SIZE(qlcnic_sriov_bc_mbx_tbl); |
| 719 | |
| 720 | for (i = 0; i < size; i++) { |
| 721 | if (type == mbx_tbl[i].cmd) { |
| 722 | mbx->op_type = QLC_BC_CMD; |
| 723 | mbx->req.num = mbx_tbl[i].in_args; |
| 724 | mbx->rsp.num = mbx_tbl[i].out_args; |
| 725 | mbx->req.arg = kcalloc(mbx->req.num, sizeof(u32), |
| 726 | GFP_ATOMIC); |
| 727 | if (!mbx->req.arg) |
| 728 | return -ENOMEM; |
| 729 | mbx->rsp.arg = kcalloc(mbx->rsp.num, sizeof(u32), |
| 730 | GFP_ATOMIC); |
| 731 | if (!mbx->rsp.arg) { |
| 732 | kfree(mbx->req.arg); |
| 733 | mbx->req.arg = NULL; |
| 734 | return -ENOMEM; |
| 735 | } |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 736 | mbx->req.arg[0] = (type | (mbx->req.num << 16) | |
| 737 | (3 << 29)); |
Pratik Pujar | 6226204 | 2013-07-26 16:24:01 -0400 | [diff] [blame] | 738 | mbx->rsp.arg[0] = (type & 0xffff) | mbx->rsp.num << 16; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 739 | return 0; |
| 740 | } |
| 741 | } |
| 742 | return -EINVAL; |
| 743 | } |
| 744 | |
| 745 | static int qlcnic_sriov_prepare_bc_hdr(struct qlcnic_bc_trans *trans, |
| 746 | struct qlcnic_cmd_args *cmd, |
| 747 | u16 seq, u8 msg_type) |
| 748 | { |
| 749 | struct qlcnic_bc_hdr *hdr; |
| 750 | int i; |
| 751 | u32 num_regs, bc_pay_sz; |
| 752 | u16 remainder; |
| 753 | u8 cmd_op, num_frags, t_num_frags; |
| 754 | |
| 755 | bc_pay_sz = QLC_BC_PAYLOAD_SZ; |
| 756 | if (msg_type == QLC_BC_COMMAND) { |
| 757 | trans->req_pay = (struct qlcnic_bc_payload *)cmd->req.arg; |
| 758 | trans->rsp_pay = (struct qlcnic_bc_payload *)cmd->rsp.arg; |
| 759 | num_regs = cmd->req.num; |
| 760 | trans->req_pay_size = (num_regs * 4); |
| 761 | num_regs = cmd->rsp.num; |
| 762 | trans->rsp_pay_size = (num_regs * 4); |
| 763 | cmd_op = cmd->req.arg[0] & 0xff; |
| 764 | remainder = (trans->req_pay_size) % (bc_pay_sz); |
| 765 | num_frags = (trans->req_pay_size) / (bc_pay_sz); |
| 766 | if (remainder) |
| 767 | num_frags++; |
| 768 | t_num_frags = num_frags; |
| 769 | if (qlcnic_sriov_alloc_bc_msg(&trans->req_hdr, num_frags)) |
| 770 | return -ENOMEM; |
| 771 | remainder = (trans->rsp_pay_size) % (bc_pay_sz); |
| 772 | num_frags = (trans->rsp_pay_size) / (bc_pay_sz); |
| 773 | if (remainder) |
| 774 | num_frags++; |
| 775 | if (qlcnic_sriov_alloc_bc_msg(&trans->rsp_hdr, num_frags)) |
| 776 | return -ENOMEM; |
| 777 | num_frags = t_num_frags; |
| 778 | hdr = trans->req_hdr; |
| 779 | } else { |
| 780 | cmd->req.arg = (u32 *)trans->req_pay; |
| 781 | cmd->rsp.arg = (u32 *)trans->rsp_pay; |
| 782 | cmd_op = cmd->req.arg[0] & 0xff; |
Rajesh Borundia | d747c33 | 2014-05-09 02:51:31 -0400 | [diff] [blame] | 783 | cmd->cmd_op = cmd_op; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 784 | remainder = (trans->rsp_pay_size) % (bc_pay_sz); |
| 785 | num_frags = (trans->rsp_pay_size) / (bc_pay_sz); |
| 786 | if (remainder) |
| 787 | num_frags++; |
| 788 | cmd->req.num = trans->req_pay_size / 4; |
| 789 | cmd->rsp.num = trans->rsp_pay_size / 4; |
| 790 | hdr = trans->rsp_hdr; |
Pratik Pujar | 6226204 | 2013-07-26 16:24:01 -0400 | [diff] [blame] | 791 | cmd->op_type = trans->req_hdr->op_type; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 792 | } |
| 793 | |
| 794 | trans->trans_id = seq; |
| 795 | trans->cmd_id = cmd_op; |
| 796 | for (i = 0; i < num_frags; i++) { |
| 797 | hdr[i].version = 2; |
| 798 | hdr[i].msg_type = msg_type; |
| 799 | hdr[i].op_type = cmd->op_type; |
| 800 | hdr[i].num_cmds = 1; |
| 801 | hdr[i].num_frags = num_frags; |
| 802 | hdr[i].frag_num = i + 1; |
| 803 | hdr[i].cmd_op = cmd_op; |
| 804 | hdr[i].seq_id = seq; |
| 805 | } |
| 806 | return 0; |
| 807 | } |
| 808 | |
| 809 | static void qlcnic_sriov_cleanup_transaction(struct qlcnic_bc_trans *trans) |
| 810 | { |
| 811 | if (!trans) |
| 812 | return; |
| 813 | kfree(trans->req_hdr); |
| 814 | kfree(trans->rsp_hdr); |
| 815 | kfree(trans); |
| 816 | } |
| 817 | |
| 818 | static int qlcnic_sriov_clear_trans(struct qlcnic_vf_info *vf, |
| 819 | struct qlcnic_bc_trans *trans, u8 type) |
| 820 | { |
| 821 | struct qlcnic_trans_list *t_list; |
| 822 | unsigned long flags; |
| 823 | int ret = 0; |
| 824 | |
| 825 | if (type == QLC_BC_RESPONSE) { |
| 826 | t_list = &vf->rcv_act; |
| 827 | spin_lock_irqsave(&t_list->lock, flags); |
| 828 | t_list->count--; |
| 829 | list_del(&trans->list); |
| 830 | if (t_list->count > 0) |
| 831 | ret = 1; |
| 832 | spin_unlock_irqrestore(&t_list->lock, flags); |
| 833 | } |
| 834 | if (type == QLC_BC_COMMAND) { |
| 835 | while (test_and_set_bit(QLC_BC_VF_SEND, &vf->state)) |
| 836 | msleep(100); |
| 837 | vf->send_cmd = NULL; |
| 838 | clear_bit(QLC_BC_VF_SEND, &vf->state); |
| 839 | } |
| 840 | return ret; |
| 841 | } |
| 842 | |
| 843 | static void qlcnic_sriov_schedule_bc_cmd(struct qlcnic_sriov *sriov, |
| 844 | struct qlcnic_vf_info *vf, |
| 845 | work_func_t func) |
| 846 | { |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 847 | if (test_bit(QLC_BC_VF_FLR, &vf->state) || |
| 848 | vf->adapter->need_fw_reset) |
Rajesh Borundia | 97d8105 | 2013-04-19 07:01:09 +0000 | [diff] [blame] | 849 | return; |
| 850 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 851 | queue_work(sriov->bc.bc_trans_wq, &vf->trans_work); |
| 852 | } |
| 853 | |
| 854 | static inline void qlcnic_sriov_wait_for_resp(struct qlcnic_bc_trans *trans) |
| 855 | { |
| 856 | struct completion *cmpl = &trans->resp_cmpl; |
| 857 | |
| 858 | if (wait_for_completion_timeout(cmpl, QLC_MBOX_RESP_TIMEOUT)) |
| 859 | trans->trans_state = QLC_END; |
| 860 | else |
| 861 | trans->trans_state = QLC_ABORT; |
| 862 | |
| 863 | return; |
| 864 | } |
| 865 | |
| 866 | static void qlcnic_sriov_handle_multi_frags(struct qlcnic_bc_trans *trans, |
| 867 | u8 type) |
| 868 | { |
| 869 | if (type == QLC_BC_RESPONSE) { |
| 870 | trans->curr_rsp_frag++; |
| 871 | if (trans->curr_rsp_frag < trans->rsp_hdr->num_frags) |
| 872 | trans->trans_state = QLC_INIT; |
| 873 | else |
| 874 | trans->trans_state = QLC_END; |
| 875 | } else { |
| 876 | trans->curr_req_frag++; |
| 877 | if (trans->curr_req_frag < trans->req_hdr->num_frags) |
| 878 | trans->trans_state = QLC_INIT; |
| 879 | else |
| 880 | trans->trans_state = QLC_WAIT_FOR_RESP; |
| 881 | } |
| 882 | } |
| 883 | |
| 884 | static void qlcnic_sriov_wait_for_channel_free(struct qlcnic_bc_trans *trans, |
| 885 | u8 type) |
| 886 | { |
| 887 | struct qlcnic_vf_info *vf = trans->vf; |
| 888 | struct completion *cmpl = &vf->ch_free_cmpl; |
| 889 | |
| 890 | if (!wait_for_completion_timeout(cmpl, QLC_MBOX_CH_FREE_TIMEOUT)) { |
| 891 | trans->trans_state = QLC_ABORT; |
| 892 | return; |
| 893 | } |
| 894 | |
| 895 | clear_bit(QLC_BC_VF_CHANNEL, &vf->state); |
| 896 | qlcnic_sriov_handle_multi_frags(trans, type); |
| 897 | } |
| 898 | |
| 899 | static void qlcnic_sriov_pull_bc_msg(struct qlcnic_adapter *adapter, |
| 900 | u32 *hdr, u32 *pay, u32 size) |
| 901 | { |
| 902 | struct qlcnic_hardware_context *ahw = adapter->ahw; |
| 903 | u32 fw_mbx; |
| 904 | u8 i, max = 2, hdr_size, j; |
| 905 | |
| 906 | hdr_size = (sizeof(struct qlcnic_bc_hdr) / sizeof(u32)); |
| 907 | max = (size / sizeof(u32)) + hdr_size; |
| 908 | |
| 909 | fw_mbx = readl(QLCNIC_MBX_FW(ahw, 0)); |
| 910 | for (i = 2, j = 0; j < hdr_size; i++, j++) |
| 911 | *(hdr++) = readl(QLCNIC_MBX_FW(ahw, i)); |
| 912 | for (; j < max; i++, j++) |
| 913 | *(pay++) = readl(QLCNIC_MBX_FW(ahw, i)); |
| 914 | } |
| 915 | |
| 916 | static int __qlcnic_sriov_issue_bc_post(struct qlcnic_vf_info *vf) |
| 917 | { |
| 918 | int ret = -EBUSY; |
| 919 | u32 timeout = 10000; |
| 920 | |
| 921 | do { |
| 922 | if (!test_and_set_bit(QLC_BC_VF_CHANNEL, &vf->state)) { |
| 923 | ret = 0; |
| 924 | break; |
| 925 | } |
| 926 | mdelay(1); |
| 927 | } while (--timeout); |
| 928 | |
| 929 | return ret; |
| 930 | } |
| 931 | |
| 932 | static int qlcnic_sriov_issue_bc_post(struct qlcnic_bc_trans *trans, u8 type) |
| 933 | { |
| 934 | struct qlcnic_vf_info *vf = trans->vf; |
| 935 | u32 pay_size, hdr_size; |
| 936 | u32 *hdr, *pay; |
| 937 | int ret; |
| 938 | u8 pci_func = trans->func_id; |
| 939 | |
| 940 | if (__qlcnic_sriov_issue_bc_post(vf)) |
| 941 | return -EBUSY; |
| 942 | |
| 943 | if (type == QLC_BC_COMMAND) { |
| 944 | hdr = (u32 *)(trans->req_hdr + trans->curr_req_frag); |
| 945 | pay = (u32 *)(trans->req_pay + trans->curr_req_frag); |
| 946 | hdr_size = (sizeof(struct qlcnic_bc_hdr) / sizeof(u32)); |
| 947 | pay_size = qlcnic_sriov_get_bc_paysize(trans->req_pay_size, |
| 948 | trans->curr_req_frag); |
| 949 | pay_size = (pay_size / sizeof(u32)); |
| 950 | } else { |
| 951 | hdr = (u32 *)(trans->rsp_hdr + trans->curr_rsp_frag); |
| 952 | pay = (u32 *)(trans->rsp_pay + trans->curr_rsp_frag); |
| 953 | hdr_size = (sizeof(struct qlcnic_bc_hdr) / sizeof(u32)); |
| 954 | pay_size = qlcnic_sriov_get_bc_paysize(trans->rsp_pay_size, |
| 955 | trans->curr_rsp_frag); |
| 956 | pay_size = (pay_size / sizeof(u32)); |
| 957 | } |
| 958 | |
| 959 | ret = qlcnic_sriov_post_bc_msg(vf->adapter, hdr, pay, |
| 960 | pci_func, pay_size); |
| 961 | return ret; |
| 962 | } |
| 963 | |
| 964 | static int __qlcnic_sriov_send_bc_msg(struct qlcnic_bc_trans *trans, |
| 965 | struct qlcnic_vf_info *vf, u8 type) |
| 966 | { |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 967 | bool flag = true; |
Rajesh Borundia | 97d8105 | 2013-04-19 07:01:09 +0000 | [diff] [blame] | 968 | int err = -EIO; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 969 | |
| 970 | while (flag) { |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 971 | if (test_bit(QLC_BC_VF_FLR, &vf->state) || |
| 972 | vf->adapter->need_fw_reset) |
Rajesh Borundia | 97d8105 | 2013-04-19 07:01:09 +0000 | [diff] [blame] | 973 | trans->trans_state = QLC_ABORT; |
| 974 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 975 | switch (trans->trans_state) { |
| 976 | case QLC_INIT: |
| 977 | trans->trans_state = QLC_WAIT_FOR_CHANNEL_FREE; |
| 978 | if (qlcnic_sriov_issue_bc_post(trans, type)) |
| 979 | trans->trans_state = QLC_ABORT; |
| 980 | break; |
| 981 | case QLC_WAIT_FOR_CHANNEL_FREE: |
| 982 | qlcnic_sriov_wait_for_channel_free(trans, type); |
| 983 | break; |
| 984 | case QLC_WAIT_FOR_RESP: |
| 985 | qlcnic_sriov_wait_for_resp(trans); |
| 986 | break; |
| 987 | case QLC_END: |
| 988 | err = 0; |
| 989 | flag = false; |
| 990 | break; |
| 991 | case QLC_ABORT: |
| 992 | err = -EIO; |
| 993 | flag = false; |
| 994 | clear_bit(QLC_BC_VF_CHANNEL, &vf->state); |
| 995 | break; |
| 996 | default: |
| 997 | err = -EIO; |
| 998 | flag = false; |
| 999 | } |
| 1000 | } |
| 1001 | return err; |
| 1002 | } |
| 1003 | |
| 1004 | static int qlcnic_sriov_send_bc_cmd(struct qlcnic_adapter *adapter, |
| 1005 | struct qlcnic_bc_trans *trans, int pci_func) |
| 1006 | { |
| 1007 | struct qlcnic_vf_info *vf; |
| 1008 | int err, index = qlcnic_sriov_func_to_index(adapter, pci_func); |
| 1009 | |
| 1010 | if (index < 0) |
| 1011 | return -EIO; |
| 1012 | |
| 1013 | vf = &adapter->ahw->sriov->vf_info[index]; |
| 1014 | trans->vf = vf; |
| 1015 | trans->func_id = pci_func; |
| 1016 | |
| 1017 | if (!test_bit(QLC_BC_VF_STATE, &vf->state)) { |
| 1018 | if (qlcnic_sriov_pf_check(adapter)) |
| 1019 | return -EIO; |
| 1020 | if (qlcnic_sriov_vf_check(adapter) && |
| 1021 | trans->cmd_id != QLCNIC_BC_CMD_CHANNEL_INIT) |
| 1022 | return -EIO; |
| 1023 | } |
| 1024 | |
| 1025 | mutex_lock(&vf->send_cmd_lock); |
| 1026 | vf->send_cmd = trans; |
| 1027 | err = __qlcnic_sriov_send_bc_msg(trans, vf, QLC_BC_COMMAND); |
| 1028 | qlcnic_sriov_clear_trans(vf, trans, QLC_BC_COMMAND); |
| 1029 | mutex_unlock(&vf->send_cmd_lock); |
| 1030 | return err; |
| 1031 | } |
| 1032 | |
| 1033 | static void __qlcnic_sriov_process_bc_cmd(struct qlcnic_adapter *adapter, |
| 1034 | struct qlcnic_bc_trans *trans, |
| 1035 | struct qlcnic_cmd_args *cmd) |
| 1036 | { |
| 1037 | #ifdef CONFIG_QLCNIC_SRIOV |
| 1038 | if (qlcnic_sriov_pf_check(adapter)) { |
| 1039 | qlcnic_sriov_pf_process_bc_cmd(adapter, trans, cmd); |
| 1040 | return; |
| 1041 | } |
| 1042 | #endif |
| 1043 | cmd->rsp.arg[0] |= (0x9 << 25); |
| 1044 | return; |
| 1045 | } |
| 1046 | |
| 1047 | static void qlcnic_sriov_process_bc_cmd(struct work_struct *work) |
| 1048 | { |
| 1049 | struct qlcnic_vf_info *vf = container_of(work, struct qlcnic_vf_info, |
| 1050 | trans_work); |
| 1051 | struct qlcnic_bc_trans *trans = NULL; |
| 1052 | struct qlcnic_adapter *adapter = vf->adapter; |
| 1053 | struct qlcnic_cmd_args cmd; |
| 1054 | u8 req; |
| 1055 | |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1056 | if (adapter->need_fw_reset) |
| 1057 | return; |
| 1058 | |
Rajesh Borundia | 97d8105 | 2013-04-19 07:01:09 +0000 | [diff] [blame] | 1059 | if (test_bit(QLC_BC_VF_FLR, &vf->state)) |
| 1060 | return; |
| 1061 | |
Manish Chopra | e5c4e6c | 2013-08-02 00:57:40 -0400 | [diff] [blame] | 1062 | memset(&cmd, 0, sizeof(struct qlcnic_cmd_args)); |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1063 | trans = list_first_entry(&vf->rcv_act.wait_list, |
| 1064 | struct qlcnic_bc_trans, list); |
| 1065 | adapter = vf->adapter; |
| 1066 | |
| 1067 | if (qlcnic_sriov_prepare_bc_hdr(trans, &cmd, trans->req_hdr->seq_id, |
| 1068 | QLC_BC_RESPONSE)) |
| 1069 | goto cleanup_trans; |
| 1070 | |
| 1071 | __qlcnic_sriov_process_bc_cmd(adapter, trans, &cmd); |
| 1072 | trans->trans_state = QLC_INIT; |
| 1073 | __qlcnic_sriov_send_bc_msg(trans, vf, QLC_BC_RESPONSE); |
| 1074 | |
| 1075 | cleanup_trans: |
| 1076 | qlcnic_free_mbx_args(&cmd); |
| 1077 | req = qlcnic_sriov_clear_trans(vf, trans, QLC_BC_RESPONSE); |
| 1078 | qlcnic_sriov_cleanup_transaction(trans); |
| 1079 | if (req) |
| 1080 | qlcnic_sriov_schedule_bc_cmd(adapter->ahw->sriov, vf, |
| 1081 | qlcnic_sriov_process_bc_cmd); |
| 1082 | } |
| 1083 | |
| 1084 | static void qlcnic_sriov_handle_bc_resp(struct qlcnic_bc_hdr *hdr, |
| 1085 | struct qlcnic_vf_info *vf) |
| 1086 | { |
| 1087 | struct qlcnic_bc_trans *trans; |
| 1088 | u32 pay_size; |
| 1089 | |
| 1090 | if (test_and_set_bit(QLC_BC_VF_SEND, &vf->state)) |
| 1091 | return; |
| 1092 | |
| 1093 | trans = vf->send_cmd; |
| 1094 | |
| 1095 | if (trans == NULL) |
| 1096 | goto clear_send; |
| 1097 | |
| 1098 | if (trans->trans_id != hdr->seq_id) |
| 1099 | goto clear_send; |
| 1100 | |
| 1101 | pay_size = qlcnic_sriov_get_bc_paysize(trans->rsp_pay_size, |
| 1102 | trans->curr_rsp_frag); |
| 1103 | qlcnic_sriov_pull_bc_msg(vf->adapter, |
| 1104 | (u32 *)(trans->rsp_hdr + trans->curr_rsp_frag), |
| 1105 | (u32 *)(trans->rsp_pay + trans->curr_rsp_frag), |
| 1106 | pay_size); |
| 1107 | if (++trans->curr_rsp_frag < trans->rsp_hdr->num_frags) |
| 1108 | goto clear_send; |
| 1109 | |
| 1110 | complete(&trans->resp_cmpl); |
| 1111 | |
| 1112 | clear_send: |
| 1113 | clear_bit(QLC_BC_VF_SEND, &vf->state); |
| 1114 | } |
| 1115 | |
Rajesh Borundia | 97d8105 | 2013-04-19 07:01:09 +0000 | [diff] [blame] | 1116 | int __qlcnic_sriov_add_act_list(struct qlcnic_sriov *sriov, |
| 1117 | struct qlcnic_vf_info *vf, |
| 1118 | struct qlcnic_bc_trans *trans) |
| 1119 | { |
| 1120 | struct qlcnic_trans_list *t_list = &vf->rcv_act; |
| 1121 | |
| 1122 | t_list->count++; |
| 1123 | list_add_tail(&trans->list, &t_list->wait_list); |
| 1124 | if (t_list->count == 1) |
| 1125 | qlcnic_sriov_schedule_bc_cmd(sriov, vf, |
| 1126 | qlcnic_sriov_process_bc_cmd); |
| 1127 | return 0; |
| 1128 | } |
| 1129 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1130 | static int qlcnic_sriov_add_act_list(struct qlcnic_sriov *sriov, |
| 1131 | struct qlcnic_vf_info *vf, |
| 1132 | struct qlcnic_bc_trans *trans) |
| 1133 | { |
| 1134 | struct qlcnic_trans_list *t_list = &vf->rcv_act; |
| 1135 | |
| 1136 | spin_lock(&t_list->lock); |
Rajesh Borundia | 97d8105 | 2013-04-19 07:01:09 +0000 | [diff] [blame] | 1137 | |
| 1138 | __qlcnic_sriov_add_act_list(sriov, vf, trans); |
| 1139 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1140 | spin_unlock(&t_list->lock); |
| 1141 | return 0; |
| 1142 | } |
| 1143 | |
| 1144 | static void qlcnic_sriov_handle_pending_trans(struct qlcnic_sriov *sriov, |
| 1145 | struct qlcnic_vf_info *vf, |
| 1146 | struct qlcnic_bc_hdr *hdr) |
| 1147 | { |
| 1148 | struct qlcnic_bc_trans *trans = NULL; |
| 1149 | struct list_head *node; |
| 1150 | u32 pay_size, curr_frag; |
| 1151 | u8 found = 0, active = 0; |
| 1152 | |
| 1153 | spin_lock(&vf->rcv_pend.lock); |
| 1154 | if (vf->rcv_pend.count > 0) { |
| 1155 | list_for_each(node, &vf->rcv_pend.wait_list) { |
| 1156 | trans = list_entry(node, struct qlcnic_bc_trans, list); |
| 1157 | if (trans->trans_id == hdr->seq_id) { |
| 1158 | found = 1; |
| 1159 | break; |
| 1160 | } |
| 1161 | } |
| 1162 | } |
| 1163 | |
| 1164 | if (found) { |
| 1165 | curr_frag = trans->curr_req_frag; |
| 1166 | pay_size = qlcnic_sriov_get_bc_paysize(trans->req_pay_size, |
| 1167 | curr_frag); |
| 1168 | qlcnic_sriov_pull_bc_msg(vf->adapter, |
| 1169 | (u32 *)(trans->req_hdr + curr_frag), |
| 1170 | (u32 *)(trans->req_pay + curr_frag), |
| 1171 | pay_size); |
| 1172 | trans->curr_req_frag++; |
| 1173 | if (trans->curr_req_frag >= hdr->num_frags) { |
| 1174 | vf->rcv_pend.count--; |
| 1175 | list_del(&trans->list); |
| 1176 | active = 1; |
| 1177 | } |
| 1178 | } |
| 1179 | spin_unlock(&vf->rcv_pend.lock); |
| 1180 | |
| 1181 | if (active) |
| 1182 | if (qlcnic_sriov_add_act_list(sriov, vf, trans)) |
| 1183 | qlcnic_sriov_cleanup_transaction(trans); |
| 1184 | |
| 1185 | return; |
| 1186 | } |
| 1187 | |
| 1188 | static void qlcnic_sriov_handle_bc_cmd(struct qlcnic_sriov *sriov, |
| 1189 | struct qlcnic_bc_hdr *hdr, |
| 1190 | struct qlcnic_vf_info *vf) |
| 1191 | { |
| 1192 | struct qlcnic_bc_trans *trans; |
| 1193 | struct qlcnic_adapter *adapter = vf->adapter; |
| 1194 | struct qlcnic_cmd_args cmd; |
| 1195 | u32 pay_size; |
| 1196 | int err; |
| 1197 | u8 cmd_op; |
| 1198 | |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1199 | if (adapter->need_fw_reset) |
| 1200 | return; |
| 1201 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1202 | if (!test_bit(QLC_BC_VF_STATE, &vf->state) && |
| 1203 | hdr->op_type != QLC_BC_CMD && |
| 1204 | hdr->cmd_op != QLCNIC_BC_CMD_CHANNEL_INIT) |
| 1205 | return; |
| 1206 | |
| 1207 | if (hdr->frag_num > 1) { |
| 1208 | qlcnic_sriov_handle_pending_trans(sriov, vf, hdr); |
| 1209 | return; |
| 1210 | } |
| 1211 | |
Manish Chopra | e5c4e6c | 2013-08-02 00:57:40 -0400 | [diff] [blame] | 1212 | memset(&cmd, 0, sizeof(struct qlcnic_cmd_args)); |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1213 | cmd_op = hdr->cmd_op; |
| 1214 | if (qlcnic_sriov_alloc_bc_trans(&trans)) |
| 1215 | return; |
| 1216 | |
| 1217 | if (hdr->op_type == QLC_BC_CMD) |
| 1218 | err = qlcnic_sriov_alloc_bc_mbx_args(&cmd, cmd_op); |
| 1219 | else |
| 1220 | err = qlcnic_alloc_mbx_args(&cmd, adapter, cmd_op); |
| 1221 | |
| 1222 | if (err) { |
| 1223 | qlcnic_sriov_cleanup_transaction(trans); |
| 1224 | return; |
| 1225 | } |
| 1226 | |
| 1227 | cmd.op_type = hdr->op_type; |
| 1228 | if (qlcnic_sriov_prepare_bc_hdr(trans, &cmd, hdr->seq_id, |
| 1229 | QLC_BC_COMMAND)) { |
| 1230 | qlcnic_free_mbx_args(&cmd); |
| 1231 | qlcnic_sriov_cleanup_transaction(trans); |
| 1232 | return; |
| 1233 | } |
| 1234 | |
| 1235 | pay_size = qlcnic_sriov_get_bc_paysize(trans->req_pay_size, |
| 1236 | trans->curr_req_frag); |
| 1237 | qlcnic_sriov_pull_bc_msg(vf->adapter, |
| 1238 | (u32 *)(trans->req_hdr + trans->curr_req_frag), |
| 1239 | (u32 *)(trans->req_pay + trans->curr_req_frag), |
| 1240 | pay_size); |
| 1241 | trans->func_id = vf->pci_func; |
| 1242 | trans->vf = vf; |
| 1243 | trans->trans_id = hdr->seq_id; |
| 1244 | trans->curr_req_frag++; |
Rajesh Borundia | 97d8105 | 2013-04-19 07:01:09 +0000 | [diff] [blame] | 1245 | |
| 1246 | if (qlcnic_sriov_soft_flr_check(adapter, trans, vf)) |
| 1247 | return; |
| 1248 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1249 | if (trans->curr_req_frag == trans->req_hdr->num_frags) { |
| 1250 | if (qlcnic_sriov_add_act_list(sriov, vf, trans)) { |
| 1251 | qlcnic_free_mbx_args(&cmd); |
| 1252 | qlcnic_sriov_cleanup_transaction(trans); |
| 1253 | } |
| 1254 | } else { |
| 1255 | spin_lock(&vf->rcv_pend.lock); |
| 1256 | list_add_tail(&trans->list, &vf->rcv_pend.wait_list); |
| 1257 | vf->rcv_pend.count++; |
| 1258 | spin_unlock(&vf->rcv_pend.lock); |
| 1259 | } |
| 1260 | } |
| 1261 | |
| 1262 | static void qlcnic_sriov_handle_msg_event(struct qlcnic_sriov *sriov, |
| 1263 | struct qlcnic_vf_info *vf) |
| 1264 | { |
| 1265 | struct qlcnic_bc_hdr hdr; |
| 1266 | u32 *ptr = (u32 *)&hdr; |
| 1267 | u8 msg_type, i; |
| 1268 | |
| 1269 | for (i = 2; i < 6; i++) |
| 1270 | ptr[i - 2] = readl(QLCNIC_MBX_FW(vf->adapter->ahw, i)); |
| 1271 | msg_type = hdr.msg_type; |
| 1272 | |
| 1273 | switch (msg_type) { |
| 1274 | case QLC_BC_COMMAND: |
| 1275 | qlcnic_sriov_handle_bc_cmd(sriov, &hdr, vf); |
| 1276 | break; |
| 1277 | case QLC_BC_RESPONSE: |
| 1278 | qlcnic_sriov_handle_bc_resp(&hdr, vf); |
| 1279 | break; |
| 1280 | } |
| 1281 | } |
| 1282 | |
Rajesh Borundia | 97d8105 | 2013-04-19 07:01:09 +0000 | [diff] [blame] | 1283 | static void qlcnic_sriov_handle_flr_event(struct qlcnic_sriov *sriov, |
| 1284 | struct qlcnic_vf_info *vf) |
| 1285 | { |
| 1286 | struct qlcnic_adapter *adapter = vf->adapter; |
| 1287 | |
| 1288 | if (qlcnic_sriov_pf_check(adapter)) |
| 1289 | qlcnic_sriov_pf_handle_flr(sriov, vf); |
| 1290 | else |
| 1291 | dev_err(&adapter->pdev->dev, |
| 1292 | "Invalid event to VF. VF should not get FLR event\n"); |
| 1293 | } |
| 1294 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1295 | void qlcnic_sriov_handle_bc_event(struct qlcnic_adapter *adapter, u32 event) |
| 1296 | { |
| 1297 | struct qlcnic_vf_info *vf; |
| 1298 | struct qlcnic_sriov *sriov; |
| 1299 | int index; |
| 1300 | u8 pci_func; |
| 1301 | |
| 1302 | sriov = adapter->ahw->sriov; |
| 1303 | pci_func = qlcnic_sriov_target_func_id(event); |
| 1304 | index = qlcnic_sriov_func_to_index(adapter, pci_func); |
| 1305 | |
| 1306 | if (index < 0) |
| 1307 | return; |
| 1308 | |
| 1309 | vf = &sriov->vf_info[index]; |
| 1310 | vf->pci_func = pci_func; |
| 1311 | |
| 1312 | if (qlcnic_sriov_channel_free_check(event)) |
| 1313 | complete(&vf->ch_free_cmpl); |
| 1314 | |
Rajesh Borundia | 97d8105 | 2013-04-19 07:01:09 +0000 | [diff] [blame] | 1315 | if (qlcnic_sriov_flr_check(event)) { |
| 1316 | qlcnic_sriov_handle_flr_event(sriov, vf); |
| 1317 | return; |
| 1318 | } |
| 1319 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1320 | if (qlcnic_sriov_bc_msg_check(event)) |
| 1321 | qlcnic_sriov_handle_msg_event(sriov, vf); |
| 1322 | } |
| 1323 | |
| 1324 | int qlcnic_sriov_cfg_bc_intr(struct qlcnic_adapter *adapter, u8 enable) |
| 1325 | { |
| 1326 | struct qlcnic_cmd_args cmd; |
| 1327 | int err; |
| 1328 | |
| 1329 | if (!test_bit(__QLCNIC_SRIOV_ENABLE, &adapter->state)) |
| 1330 | return 0; |
| 1331 | |
| 1332 | if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_BC_EVENT_SETUP)) |
| 1333 | return -ENOMEM; |
| 1334 | |
| 1335 | if (enable) |
| 1336 | cmd.req.arg[1] = (1 << 4) | (1 << 5) | (1 << 6) | (1 << 7); |
| 1337 | |
Manish Chopra | e5c4e6c | 2013-08-02 00:57:40 -0400 | [diff] [blame] | 1338 | err = qlcnic_83xx_issue_cmd(adapter, &cmd); |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1339 | |
| 1340 | if (err != QLCNIC_RCODE_SUCCESS) { |
| 1341 | dev_err(&adapter->pdev->dev, |
| 1342 | "Failed to %s bc events, err=%d\n", |
| 1343 | (enable ? "enable" : "disable"), err); |
| 1344 | } |
| 1345 | |
| 1346 | qlcnic_free_mbx_args(&cmd); |
| 1347 | return err; |
| 1348 | } |
| 1349 | |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1350 | static int qlcnic_sriov_retry_bc_cmd(struct qlcnic_adapter *adapter, |
| 1351 | struct qlcnic_bc_trans *trans) |
| 1352 | { |
| 1353 | u8 max = QLC_BC_CMD_MAX_RETRY_CNT; |
| 1354 | u32 state; |
| 1355 | |
| 1356 | state = QLCRDX(adapter->ahw, QLC_83XX_IDC_DEV_STATE); |
| 1357 | if (state == QLC_83XX_IDC_DEV_READY) { |
| 1358 | msleep(20); |
| 1359 | clear_bit(QLC_BC_VF_CHANNEL, &trans->vf->state); |
| 1360 | trans->trans_state = QLC_INIT; |
| 1361 | if (++adapter->fw_fail_cnt > max) |
| 1362 | return -EIO; |
| 1363 | else |
| 1364 | return 0; |
| 1365 | } |
| 1366 | |
| 1367 | return -EIO; |
| 1368 | } |
| 1369 | |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 1370 | static int __qlcnic_sriov_issue_cmd(struct qlcnic_adapter *adapter, |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1371 | struct qlcnic_cmd_args *cmd) |
| 1372 | { |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1373 | struct qlcnic_hardware_context *ahw = adapter->ahw; |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 1374 | struct qlcnic_mailbox *mbx = ahw->mailbox; |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1375 | struct device *dev = &adapter->pdev->dev; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1376 | struct qlcnic_bc_trans *trans; |
| 1377 | int err; |
| 1378 | u32 rsp_data, opcode, mbx_err_code, rsp; |
| 1379 | u16 seq = ++adapter->ahw->sriov->bc.trans_counter; |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1380 | u8 func = ahw->pci_func; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1381 | |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1382 | rsp = qlcnic_sriov_alloc_bc_trans(&trans); |
| 1383 | if (rsp) |
Rajesh Borundia | ab0648e | 2014-04-23 09:59:56 -0400 | [diff] [blame] | 1384 | goto free_cmd; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1385 | |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1386 | rsp = qlcnic_sriov_prepare_bc_hdr(trans, cmd, seq, QLC_BC_COMMAND); |
| 1387 | if (rsp) |
| 1388 | goto cleanup_transaction; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1389 | |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1390 | retry: |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 1391 | if (!test_bit(QLC_83XX_MBX_READY, &mbx->status)) { |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1392 | rsp = -EIO; |
| 1393 | 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] | 1394 | QLCNIC_MBX_RSP(cmd->req.arg[0]), func); |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1395 | goto err_out; |
| 1396 | } |
| 1397 | |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1398 | err = qlcnic_sriov_send_bc_cmd(adapter, trans, func); |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1399 | if (err) { |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1400 | dev_err(dev, "MBX command 0x%x timed out for VF %d\n", |
| 1401 | (cmd->req.arg[0] & 0xffff), func); |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1402 | rsp = QLCNIC_RCODE_TIMEOUT; |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1403 | |
| 1404 | /* After adapter reset PF driver may take some time to |
| 1405 | * respond to VF's request. Retry request till maximum retries. |
| 1406 | */ |
| 1407 | if ((trans->req_hdr->cmd_op == QLCNIC_BC_CMD_CHANNEL_INIT) && |
| 1408 | !qlcnic_sriov_retry_bc_cmd(adapter, trans)) |
| 1409 | goto retry; |
| 1410 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1411 | goto err_out; |
| 1412 | } |
| 1413 | |
| 1414 | rsp_data = cmd->rsp.arg[0]; |
| 1415 | mbx_err_code = QLCNIC_MBX_STATUS(rsp_data); |
| 1416 | opcode = QLCNIC_MBX_RSP(cmd->req.arg[0]); |
| 1417 | |
| 1418 | if ((mbx_err_code == QLCNIC_MBX_RSP_OK) || |
| 1419 | (mbx_err_code == QLCNIC_MBX_PORT_RSP_OK)) { |
| 1420 | rsp = QLCNIC_RCODE_SUCCESS; |
| 1421 | } else { |
Rajesh Borundia | d747c33 | 2014-05-09 02:51:31 -0400 | [diff] [blame] | 1422 | if (cmd->type == QLC_83XX_MBX_CMD_NO_WAIT) { |
| 1423 | rsp = QLCNIC_RCODE_SUCCESS; |
| 1424 | } else { |
| 1425 | rsp = mbx_err_code; |
| 1426 | if (!rsp) |
| 1427 | rsp = 1; |
| 1428 | |
| 1429 | dev_err(dev, |
| 1430 | "MBX command 0x%x failed with err:0x%x for VF %d\n", |
| 1431 | opcode, mbx_err_code, func); |
| 1432 | } |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1433 | } |
| 1434 | |
| 1435 | err_out: |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1436 | if (rsp == QLCNIC_RCODE_TIMEOUT) { |
| 1437 | ahw->reset_context = 1; |
| 1438 | adapter->need_fw_reset = 1; |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 1439 | clear_bit(QLC_83XX_MBX_READY, &mbx->status); |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1440 | } |
| 1441 | |
| 1442 | cleanup_transaction: |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1443 | qlcnic_sriov_cleanup_transaction(trans); |
Rajesh Borundia | ab0648e | 2014-04-23 09:59:56 -0400 | [diff] [blame] | 1444 | |
| 1445 | free_cmd: |
| 1446 | if (cmd->type == QLC_83XX_MBX_CMD_NO_WAIT) { |
| 1447 | qlcnic_free_mbx_args(cmd); |
| 1448 | kfree(cmd); |
| 1449 | } |
| 1450 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1451 | return rsp; |
| 1452 | } |
| 1453 | |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 1454 | |
| 1455 | static int qlcnic_sriov_issue_cmd(struct qlcnic_adapter *adapter, |
| 1456 | struct qlcnic_cmd_args *cmd) |
| 1457 | { |
| 1458 | if (cmd->type == QLC_83XX_MBX_CMD_NO_WAIT) |
| 1459 | return qlcnic_sriov_async_issue_cmd(adapter, cmd); |
| 1460 | else |
| 1461 | return __qlcnic_sriov_issue_cmd(adapter, cmd); |
| 1462 | } |
| 1463 | |
stephen hemminger | 2104140 | 2014-01-16 10:31:27 -0800 | [diff] [blame] | 1464 | 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] | 1465 | { |
| 1466 | struct qlcnic_cmd_args cmd; |
| 1467 | struct qlcnic_vf_info *vf = &adapter->ahw->sriov->vf_info[0]; |
| 1468 | int ret; |
| 1469 | |
Rajesh Borundia | c531692 | 2014-06-04 03:40:54 -0400 | [diff] [blame] | 1470 | memset(&cmd, 0, sizeof(cmd)); |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1471 | if (qlcnic_sriov_alloc_bc_mbx_args(&cmd, cmd_op)) |
| 1472 | return -ENOMEM; |
| 1473 | |
| 1474 | ret = qlcnic_issue_cmd(adapter, &cmd); |
| 1475 | if (ret) { |
| 1476 | dev_err(&adapter->pdev->dev, |
| 1477 | "Failed bc channel %s %d\n", cmd_op ? "term" : "init", |
| 1478 | ret); |
| 1479 | goto out; |
| 1480 | } |
| 1481 | |
| 1482 | cmd_op = (cmd.rsp.arg[0] & 0xff); |
| 1483 | if (cmd.rsp.arg[0] >> 25 == 2) |
| 1484 | return 2; |
| 1485 | if (cmd_op == QLCNIC_BC_CMD_CHANNEL_INIT) |
| 1486 | set_bit(QLC_BC_VF_STATE, &vf->state); |
| 1487 | else |
| 1488 | clear_bit(QLC_BC_VF_STATE, &vf->state); |
| 1489 | |
| 1490 | out: |
| 1491 | qlcnic_free_mbx_args(&cmd); |
| 1492 | return ret; |
| 1493 | } |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1494 | |
Shahed Shaikh | fe79fab | 2015-02-11 09:45:24 -0500 | [diff] [blame] | 1495 | static void qlcnic_vf_add_mc_list(struct net_device *netdev, const u8 *mac, |
| 1496 | enum qlcnic_mac_type mac_type) |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1497 | { |
| 1498 | struct qlcnic_adapter *adapter = netdev_priv(netdev); |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 1499 | struct qlcnic_sriov *sriov = adapter->ahw->sriov; |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 1500 | struct qlcnic_vf_info *vf; |
| 1501 | u16 vlan_id; |
| 1502 | int i; |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1503 | |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 1504 | vf = &adapter->ahw->sriov->vf_info[0]; |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1505 | |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 1506 | if (!qlcnic_sriov_check_any_vlan(vf)) { |
Shahed Shaikh | fe79fab | 2015-02-11 09:45:24 -0500 | [diff] [blame] | 1507 | qlcnic_nic_add_mac(adapter, mac, 0, mac_type); |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 1508 | } else { |
| 1509 | spin_lock(&vf->vlan_list_lock); |
| 1510 | for (i = 0; i < sriov->num_allowed_vlans; i++) { |
| 1511 | vlan_id = vf->sriov_vlans[i]; |
| 1512 | if (vlan_id) |
Shahed Shaikh | fe79fab | 2015-02-11 09:45:24 -0500 | [diff] [blame] | 1513 | qlcnic_nic_add_mac(adapter, mac, vlan_id, |
| 1514 | mac_type); |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 1515 | } |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 1516 | spin_unlock(&vf->vlan_list_lock); |
| 1517 | if (qlcnic_84xx_check(adapter)) |
Shahed Shaikh | fe79fab | 2015-02-11 09:45:24 -0500 | [diff] [blame] | 1518 | qlcnic_nic_add_mac(adapter, mac, 0, mac_type); |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1519 | } |
| 1520 | } |
| 1521 | |
| 1522 | void qlcnic_sriov_cleanup_async_list(struct qlcnic_back_channel *bc) |
| 1523 | { |
Manish Chopra | 2b10d3e | 2016-08-03 04:02:02 -0400 | [diff] [blame] | 1524 | struct list_head *head = &bc->async_cmd_list; |
| 1525 | struct qlcnic_async_cmd *entry; |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1526 | |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 1527 | flush_workqueue(bc->bc_async_wq); |
Manish Chopra | 2b10d3e | 2016-08-03 04:02:02 -0400 | [diff] [blame] | 1528 | cancel_work_sync(&bc->vf_async_work); |
| 1529 | |
| 1530 | spin_lock(&bc->queue_lock); |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1531 | while (!list_empty(head)) { |
Manish Chopra | 2b10d3e | 2016-08-03 04:02:02 -0400 | [diff] [blame] | 1532 | entry = list_entry(head->next, struct qlcnic_async_cmd, |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1533 | list); |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1534 | list_del(&entry->list); |
Manish Chopra | 2b10d3e | 2016-08-03 04:02:02 -0400 | [diff] [blame] | 1535 | kfree(entry->cmd); |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1536 | kfree(entry); |
| 1537 | } |
Manish Chopra | 2b10d3e | 2016-08-03 04:02:02 -0400 | [diff] [blame] | 1538 | spin_unlock(&bc->queue_lock); |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1539 | } |
| 1540 | |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 1541 | void qlcnic_sriov_vf_set_multi(struct net_device *netdev) |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1542 | { |
| 1543 | struct qlcnic_adapter *adapter = netdev_priv(netdev); |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 1544 | struct qlcnic_hardware_context *ahw = adapter->ahw; |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 1545 | static const u8 bcast_addr[ETH_ALEN] = { |
| 1546 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff |
| 1547 | }; |
| 1548 | struct netdev_hw_addr *ha; |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 1549 | u32 mode = VPORT_MISS_MODE_DROP; |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1550 | |
| 1551 | if (!test_bit(__QLCNIC_FW_ATTACHED, &adapter->state)) |
| 1552 | return; |
| 1553 | |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 1554 | if (netdev->flags & IFF_PROMISC) { |
| 1555 | if (!(adapter->flags & QLCNIC_PROMISC_DISABLED)) |
| 1556 | mode = VPORT_MISS_MODE_ACCEPT_ALL; |
| 1557 | } else if ((netdev->flags & IFF_ALLMULTI) || |
| 1558 | (netdev_mc_count(netdev) > ahw->max_mc_count)) { |
| 1559 | mode = VPORT_MISS_MODE_ACCEPT_MULTI; |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 1560 | } else { |
Shahed Shaikh | fe79fab | 2015-02-11 09:45:24 -0500 | [diff] [blame] | 1561 | qlcnic_vf_add_mc_list(netdev, bcast_addr, QLCNIC_BROADCAST_MAC); |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 1562 | if (!netdev_mc_empty(netdev)) { |
Shahed Shaikh | fe79fab | 2015-02-11 09:45:24 -0500 | [diff] [blame] | 1563 | qlcnic_flush_mcast_mac(adapter); |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 1564 | netdev_for_each_mc_addr(ha, netdev) |
Shahed Shaikh | fe79fab | 2015-02-11 09:45:24 -0500 | [diff] [blame] | 1565 | qlcnic_vf_add_mc_list(netdev, ha->addr, |
| 1566 | QLCNIC_MULTICAST_MAC); |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 1567 | } |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 1568 | } |
| 1569 | |
Rajesh Borundia | d747c33 | 2014-05-09 02:51:31 -0400 | [diff] [blame] | 1570 | /* configure unicast MAC address, if there is not sufficient space |
| 1571 | * to store all the unicast addresses then enable promiscuous mode |
| 1572 | */ |
| 1573 | if (netdev_uc_count(netdev) > ahw->max_uc_count) { |
| 1574 | mode = VPORT_MISS_MODE_ACCEPT_ALL; |
| 1575 | } else if (!netdev_uc_empty(netdev)) { |
| 1576 | netdev_for_each_uc_addr(ha, netdev) |
Shahed Shaikh | fe79fab | 2015-02-11 09:45:24 -0500 | [diff] [blame] | 1577 | qlcnic_vf_add_mc_list(netdev, ha->addr, |
| 1578 | QLCNIC_UNICAST_MAC); |
Rajesh Borundia | d747c33 | 2014-05-09 02:51:31 -0400 | [diff] [blame] | 1579 | } |
| 1580 | |
| 1581 | if (adapter->pdev->is_virtfn) { |
| 1582 | if (mode == VPORT_MISS_MODE_ACCEPT_ALL && |
| 1583 | !adapter->fdb_mac_learn) { |
| 1584 | qlcnic_alloc_lb_filters_mem(adapter); |
| 1585 | adapter->drv_mac_learn = 1; |
| 1586 | adapter->rx_mac_learn = true; |
| 1587 | } else { |
| 1588 | adapter->drv_mac_learn = 0; |
| 1589 | adapter->rx_mac_learn = false; |
| 1590 | } |
| 1591 | } |
| 1592 | |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 1593 | qlcnic_nic_set_promisc(adapter, mode); |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1594 | } |
| 1595 | |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 1596 | static void qlcnic_sriov_handle_async_issue_cmd(struct work_struct *work) |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1597 | { |
Manish Chopra | 2b10d3e | 2016-08-03 04:02:02 -0400 | [diff] [blame] | 1598 | struct qlcnic_async_cmd *entry, *tmp; |
| 1599 | struct qlcnic_back_channel *bc; |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 1600 | struct qlcnic_cmd_args *cmd; |
Manish Chopra | 2b10d3e | 2016-08-03 04:02:02 -0400 | [diff] [blame] | 1601 | struct list_head *head; |
| 1602 | LIST_HEAD(del_list); |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1603 | |
Manish Chopra | 2b10d3e | 2016-08-03 04:02:02 -0400 | [diff] [blame] | 1604 | bc = container_of(work, struct qlcnic_back_channel, vf_async_work); |
| 1605 | head = &bc->async_cmd_list; |
| 1606 | |
| 1607 | spin_lock(&bc->queue_lock); |
| 1608 | list_splice_init(head, &del_list); |
| 1609 | spin_unlock(&bc->queue_lock); |
| 1610 | |
| 1611 | list_for_each_entry_safe(entry, tmp, &del_list, list) { |
| 1612 | list_del(&entry->list); |
| 1613 | cmd = entry->cmd; |
| 1614 | __qlcnic_sriov_issue_cmd(bc->adapter, cmd); |
| 1615 | kfree(entry); |
| 1616 | } |
| 1617 | |
| 1618 | if (!list_empty(head)) |
| 1619 | queue_work(bc->bc_async_wq, &bc->vf_async_work); |
| 1620 | |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1621 | return; |
| 1622 | } |
| 1623 | |
Manish Chopra | 2b10d3e | 2016-08-03 04:02:02 -0400 | [diff] [blame] | 1624 | static struct qlcnic_async_cmd * |
| 1625 | qlcnic_sriov_alloc_async_cmd(struct qlcnic_back_channel *bc, |
| 1626 | struct qlcnic_cmd_args *cmd) |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1627 | { |
Manish Chopra | 2b10d3e | 2016-08-03 04:02:02 -0400 | [diff] [blame] | 1628 | struct qlcnic_async_cmd *entry = NULL; |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1629 | |
Manish Chopra | 2b10d3e | 2016-08-03 04:02:02 -0400 | [diff] [blame] | 1630 | entry = kzalloc(sizeof(*entry), GFP_ATOMIC); |
| 1631 | if (!entry) |
| 1632 | return NULL; |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1633 | |
Manish Chopra | 2b10d3e | 2016-08-03 04:02:02 -0400 | [diff] [blame] | 1634 | entry->cmd = cmd; |
| 1635 | |
| 1636 | spin_lock(&bc->queue_lock); |
| 1637 | list_add_tail(&entry->list, &bc->async_cmd_list); |
| 1638 | spin_unlock(&bc->queue_lock); |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1639 | |
| 1640 | return entry; |
| 1641 | } |
| 1642 | |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 1643 | static void qlcnic_sriov_schedule_async_cmd(struct qlcnic_back_channel *bc, |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 1644 | struct qlcnic_cmd_args *cmd) |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1645 | { |
Manish Chopra | 2b10d3e | 2016-08-03 04:02:02 -0400 | [diff] [blame] | 1646 | struct qlcnic_async_cmd *entry = NULL; |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1647 | |
Manish Chopra | 2b10d3e | 2016-08-03 04:02:02 -0400 | [diff] [blame] | 1648 | entry = qlcnic_sriov_alloc_async_cmd(bc, cmd); |
| 1649 | if (!entry) { |
| 1650 | qlcnic_free_mbx_args(cmd); |
| 1651 | kfree(cmd); |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1652 | return; |
Manish Chopra | 2b10d3e | 2016-08-03 04:02:02 -0400 | [diff] [blame] | 1653 | } |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1654 | |
Manish Chopra | 2b10d3e | 2016-08-03 04:02:02 -0400 | [diff] [blame] | 1655 | queue_work(bc->bc_async_wq, &bc->vf_async_work); |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1656 | } |
| 1657 | |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 1658 | static int qlcnic_sriov_async_issue_cmd(struct qlcnic_adapter *adapter, |
| 1659 | struct qlcnic_cmd_args *cmd) |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1660 | { |
| 1661 | |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1662 | struct qlcnic_back_channel *bc = &adapter->ahw->sriov->bc; |
| 1663 | |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1664 | if (adapter->need_fw_reset) |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 1665 | return -EIO; |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1666 | |
Manish Chopra | 2b10d3e | 2016-08-03 04:02:02 -0400 | [diff] [blame] | 1667 | qlcnic_sriov_schedule_async_cmd(bc, cmd); |
| 1668 | |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 1669 | return 0; |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1670 | } |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1671 | |
| 1672 | static int qlcnic_sriov_vf_reinit_driver(struct qlcnic_adapter *adapter) |
| 1673 | { |
| 1674 | int err; |
| 1675 | |
Manish Chopra | 5c44bbd | 2013-09-13 06:13:47 -0400 | [diff] [blame] | 1676 | adapter->need_fw_reset = 0; |
Manish Chopra | 91b86e3 | 2013-08-15 08:27:25 -0400 | [diff] [blame] | 1677 | qlcnic_83xx_reinit_mbx_work(adapter->ahw->mailbox); |
Manish Chopra | e5c4e6c | 2013-08-02 00:57:40 -0400 | [diff] [blame] | 1678 | qlcnic_83xx_enable_mbx_interrupt(adapter); |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1679 | |
| 1680 | err = qlcnic_sriov_cfg_bc_intr(adapter, 1); |
| 1681 | if (err) |
| 1682 | return err; |
| 1683 | |
| 1684 | err = qlcnic_sriov_channel_cfg_cmd(adapter, QLCNIC_BC_CMD_CHANNEL_INIT); |
| 1685 | if (err) |
| 1686 | goto err_out_cleanup_bc_intr; |
| 1687 | |
| 1688 | err = qlcnic_sriov_vf_init_driver(adapter); |
| 1689 | if (err) |
| 1690 | goto err_out_term_channel; |
| 1691 | |
| 1692 | return 0; |
| 1693 | |
| 1694 | err_out_term_channel: |
| 1695 | qlcnic_sriov_channel_cfg_cmd(adapter, QLCNIC_BC_CMD_CHANNEL_TERM); |
| 1696 | |
| 1697 | err_out_cleanup_bc_intr: |
| 1698 | qlcnic_sriov_cfg_bc_intr(adapter, 0); |
| 1699 | return err; |
| 1700 | } |
| 1701 | |
| 1702 | static void qlcnic_sriov_vf_attach(struct qlcnic_adapter *adapter) |
| 1703 | { |
| 1704 | struct net_device *netdev = adapter->netdev; |
| 1705 | |
| 1706 | if (netif_running(netdev)) { |
| 1707 | if (!qlcnic_up(adapter, netdev)) |
| 1708 | qlcnic_restore_indev_addr(netdev, NETDEV_UP); |
| 1709 | } |
| 1710 | |
| 1711 | netif_device_attach(netdev); |
| 1712 | } |
| 1713 | |
| 1714 | static void qlcnic_sriov_vf_detach(struct qlcnic_adapter *adapter) |
| 1715 | { |
| 1716 | struct qlcnic_hardware_context *ahw = adapter->ahw; |
| 1717 | struct qlcnic_intrpt_config *intr_tbl = ahw->intr_tbl; |
| 1718 | struct net_device *netdev = adapter->netdev; |
| 1719 | u8 i, max_ints = ahw->num_msix - 1; |
| 1720 | |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1721 | netif_device_detach(netdev); |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 1722 | qlcnic_83xx_detach_mailbox_work(adapter); |
| 1723 | qlcnic_83xx_disable_mbx_intr(adapter); |
| 1724 | |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1725 | if (netif_running(netdev)) |
| 1726 | qlcnic_down(adapter, netdev); |
| 1727 | |
| 1728 | for (i = 0; i < max_ints; i++) { |
| 1729 | intr_tbl[i].id = i; |
| 1730 | intr_tbl[i].enabled = 0; |
| 1731 | intr_tbl[i].src = 0; |
| 1732 | } |
| 1733 | ahw->reset_context = 0; |
| 1734 | } |
| 1735 | |
| 1736 | static int qlcnic_sriov_vf_handle_dev_ready(struct qlcnic_adapter *adapter) |
| 1737 | { |
| 1738 | struct qlcnic_hardware_context *ahw = adapter->ahw; |
| 1739 | struct device *dev = &adapter->pdev->dev; |
| 1740 | struct qlc_83xx_idc *idc = &ahw->idc; |
| 1741 | u8 func = ahw->pci_func; |
| 1742 | u32 state; |
| 1743 | |
| 1744 | if ((idc->prev_state == QLC_83XX_IDC_DEV_NEED_RESET) || |
| 1745 | (idc->prev_state == QLC_83XX_IDC_DEV_INIT)) { |
| 1746 | if (!qlcnic_sriov_vf_reinit_driver(adapter)) { |
| 1747 | qlcnic_sriov_vf_attach(adapter); |
| 1748 | adapter->fw_fail_cnt = 0; |
| 1749 | dev_info(dev, |
Masanari Iida | 8b513d0 | 2013-05-21 23:13:12 +0900 | [diff] [blame] | 1750 | "%s: Reinitialization of VF 0x%x done after FW reset\n", |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1751 | __func__, func); |
| 1752 | } else { |
| 1753 | dev_err(dev, |
| 1754 | "%s: Reinitialization of VF 0x%x failed after FW reset\n", |
| 1755 | __func__, func); |
| 1756 | state = QLCRDX(ahw, QLC_83XX_IDC_DEV_STATE); |
| 1757 | dev_info(dev, "Current state 0x%x after FW reset\n", |
| 1758 | state); |
| 1759 | } |
| 1760 | } |
| 1761 | |
| 1762 | return 0; |
| 1763 | } |
| 1764 | |
| 1765 | static int qlcnic_sriov_vf_handle_context_reset(struct qlcnic_adapter *adapter) |
| 1766 | { |
| 1767 | struct qlcnic_hardware_context *ahw = adapter->ahw; |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 1768 | struct qlcnic_mailbox *mbx = ahw->mailbox; |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1769 | struct device *dev = &adapter->pdev->dev; |
| 1770 | struct qlc_83xx_idc *idc = &ahw->idc; |
| 1771 | u8 func = ahw->pci_func; |
| 1772 | u32 state; |
| 1773 | |
| 1774 | adapter->reset_ctx_cnt++; |
| 1775 | |
| 1776 | /* Skip the context reset and check if FW is hung */ |
| 1777 | if (adapter->reset_ctx_cnt < 3) { |
| 1778 | adapter->need_fw_reset = 1; |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 1779 | clear_bit(QLC_83XX_MBX_READY, &mbx->status); |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1780 | dev_info(dev, |
| 1781 | "Resetting context, wait here to check if FW is in failed state\n"); |
| 1782 | return 0; |
| 1783 | } |
| 1784 | |
| 1785 | /* Check if number of resets exceed the threshold. |
| 1786 | * If it exceeds the threshold just fail the VF. |
| 1787 | */ |
| 1788 | if (adapter->reset_ctx_cnt > QLC_83XX_VF_RESET_FAIL_THRESH) { |
| 1789 | clear_bit(QLC_83XX_MODULE_LOADED, &idc->status); |
| 1790 | adapter->tx_timeo_cnt = 0; |
| 1791 | adapter->fw_fail_cnt = 0; |
| 1792 | adapter->reset_ctx_cnt = 0; |
| 1793 | qlcnic_sriov_vf_detach(adapter); |
| 1794 | dev_err(dev, |
| 1795 | "Device context resets have exceeded the threshold, device interface will be shutdown\n"); |
| 1796 | return -EIO; |
| 1797 | } |
| 1798 | |
| 1799 | dev_info(dev, "Resetting context of VF 0x%x\n", func); |
| 1800 | dev_info(dev, "%s: Context reset count %d for VF 0x%x\n", |
| 1801 | __func__, adapter->reset_ctx_cnt, func); |
| 1802 | set_bit(__QLCNIC_RESETTING, &adapter->state); |
| 1803 | adapter->need_fw_reset = 1; |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 1804 | clear_bit(QLC_83XX_MBX_READY, &mbx->status); |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1805 | qlcnic_sriov_vf_detach(adapter); |
| 1806 | adapter->need_fw_reset = 0; |
| 1807 | |
| 1808 | if (!qlcnic_sriov_vf_reinit_driver(adapter)) { |
| 1809 | qlcnic_sriov_vf_attach(adapter); |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1810 | adapter->tx_timeo_cnt = 0; |
| 1811 | adapter->reset_ctx_cnt = 0; |
| 1812 | adapter->fw_fail_cnt = 0; |
| 1813 | dev_info(dev, "Done resetting context for VF 0x%x\n", func); |
| 1814 | } else { |
| 1815 | dev_err(dev, "%s: Reinitialization of VF 0x%x failed\n", |
| 1816 | __func__, func); |
| 1817 | state = QLCRDX(ahw, QLC_83XX_IDC_DEV_STATE); |
| 1818 | dev_info(dev, "%s: Current state 0x%x\n", __func__, state); |
| 1819 | } |
| 1820 | |
| 1821 | return 0; |
| 1822 | } |
| 1823 | |
| 1824 | static int qlcnic_sriov_vf_idc_ready_state(struct qlcnic_adapter *adapter) |
| 1825 | { |
| 1826 | struct qlcnic_hardware_context *ahw = adapter->ahw; |
| 1827 | int ret = 0; |
| 1828 | |
| 1829 | if (ahw->idc.prev_state != QLC_83XX_IDC_DEV_READY) |
| 1830 | ret = qlcnic_sriov_vf_handle_dev_ready(adapter); |
| 1831 | else if (ahw->reset_context) |
| 1832 | ret = qlcnic_sriov_vf_handle_context_reset(adapter); |
| 1833 | |
| 1834 | clear_bit(__QLCNIC_RESETTING, &adapter->state); |
| 1835 | return ret; |
| 1836 | } |
| 1837 | |
| 1838 | static int qlcnic_sriov_vf_idc_failed_state(struct qlcnic_adapter *adapter) |
| 1839 | { |
| 1840 | struct qlc_83xx_idc *idc = &adapter->ahw->idc; |
| 1841 | |
| 1842 | dev_err(&adapter->pdev->dev, "Device is in failed state\n"); |
| 1843 | if (idc->prev_state == QLC_83XX_IDC_DEV_READY) |
| 1844 | qlcnic_sriov_vf_detach(adapter); |
| 1845 | |
| 1846 | clear_bit(QLC_83XX_MODULE_LOADED, &idc->status); |
| 1847 | clear_bit(__QLCNIC_RESETTING, &adapter->state); |
| 1848 | return -EIO; |
| 1849 | } |
| 1850 | |
| 1851 | static int |
| 1852 | qlcnic_sriov_vf_idc_need_quiescent_state(struct qlcnic_adapter *adapter) |
| 1853 | { |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 1854 | struct qlcnic_mailbox *mbx = adapter->ahw->mailbox; |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1855 | struct qlc_83xx_idc *idc = &adapter->ahw->idc; |
| 1856 | |
| 1857 | dev_info(&adapter->pdev->dev, "Device is in quiescent state\n"); |
| 1858 | if (idc->prev_state == QLC_83XX_IDC_DEV_READY) { |
| 1859 | set_bit(__QLCNIC_RESETTING, &adapter->state); |
| 1860 | adapter->tx_timeo_cnt = 0; |
| 1861 | adapter->reset_ctx_cnt = 0; |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 1862 | clear_bit(QLC_83XX_MBX_READY, &mbx->status); |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1863 | qlcnic_sriov_vf_detach(adapter); |
| 1864 | } |
| 1865 | |
| 1866 | return 0; |
| 1867 | } |
| 1868 | |
| 1869 | static int qlcnic_sriov_vf_idc_init_reset_state(struct qlcnic_adapter *adapter) |
| 1870 | { |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 1871 | struct qlcnic_mailbox *mbx = adapter->ahw->mailbox; |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1872 | struct qlc_83xx_idc *idc = &adapter->ahw->idc; |
| 1873 | u8 func = adapter->ahw->pci_func; |
| 1874 | |
| 1875 | if (idc->prev_state == QLC_83XX_IDC_DEV_READY) { |
| 1876 | dev_err(&adapter->pdev->dev, |
| 1877 | "Firmware hang detected by VF 0x%x\n", func); |
| 1878 | set_bit(__QLCNIC_RESETTING, &adapter->state); |
| 1879 | adapter->tx_timeo_cnt = 0; |
| 1880 | adapter->reset_ctx_cnt = 0; |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 1881 | clear_bit(QLC_83XX_MBX_READY, &mbx->status); |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1882 | qlcnic_sriov_vf_detach(adapter); |
| 1883 | } |
| 1884 | return 0; |
| 1885 | } |
| 1886 | |
| 1887 | static int qlcnic_sriov_vf_idc_unknown_state(struct qlcnic_adapter *adapter) |
| 1888 | { |
| 1889 | dev_err(&adapter->pdev->dev, "%s: Device in unknown state\n", __func__); |
| 1890 | return 0; |
| 1891 | } |
| 1892 | |
Rajesh Borundia | d747c33 | 2014-05-09 02:51:31 -0400 | [diff] [blame] | 1893 | static void qlcnic_sriov_vf_periodic_tasks(struct qlcnic_adapter *adapter) |
| 1894 | { |
| 1895 | if (adapter->fhash.fnum) |
| 1896 | qlcnic_prune_lb_filters(adapter); |
| 1897 | } |
| 1898 | |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1899 | static void qlcnic_sriov_vf_poll_dev_state(struct work_struct *work) |
| 1900 | { |
| 1901 | struct qlcnic_adapter *adapter; |
| 1902 | struct qlc_83xx_idc *idc; |
| 1903 | int ret = 0; |
| 1904 | |
| 1905 | adapter = container_of(work, struct qlcnic_adapter, fw_work.work); |
| 1906 | idc = &adapter->ahw->idc; |
| 1907 | idc->curr_state = QLCRDX(adapter->ahw, QLC_83XX_IDC_DEV_STATE); |
| 1908 | |
| 1909 | switch (idc->curr_state) { |
| 1910 | case QLC_83XX_IDC_DEV_READY: |
| 1911 | ret = qlcnic_sriov_vf_idc_ready_state(adapter); |
| 1912 | break; |
| 1913 | case QLC_83XX_IDC_DEV_NEED_RESET: |
| 1914 | case QLC_83XX_IDC_DEV_INIT: |
| 1915 | ret = qlcnic_sriov_vf_idc_init_reset_state(adapter); |
| 1916 | break; |
| 1917 | case QLC_83XX_IDC_DEV_NEED_QUISCENT: |
| 1918 | ret = qlcnic_sriov_vf_idc_need_quiescent_state(adapter); |
| 1919 | break; |
| 1920 | case QLC_83XX_IDC_DEV_FAILED: |
| 1921 | ret = qlcnic_sriov_vf_idc_failed_state(adapter); |
| 1922 | break; |
| 1923 | case QLC_83XX_IDC_DEV_QUISCENT: |
| 1924 | break; |
| 1925 | default: |
| 1926 | ret = qlcnic_sriov_vf_idc_unknown_state(adapter); |
| 1927 | } |
| 1928 | |
| 1929 | idc->prev_state = idc->curr_state; |
Rajesh Borundia | d747c33 | 2014-05-09 02:51:31 -0400 | [diff] [blame] | 1930 | qlcnic_sriov_vf_periodic_tasks(adapter); |
| 1931 | |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1932 | if (!ret && test_bit(QLC_83XX_MODULE_LOADED, &idc->status)) |
| 1933 | qlcnic_schedule_work(adapter, qlcnic_sriov_vf_poll_dev_state, |
| 1934 | idc->delay); |
| 1935 | } |
| 1936 | |
| 1937 | static void qlcnic_sriov_vf_cancel_fw_work(struct qlcnic_adapter *adapter) |
| 1938 | { |
| 1939 | while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) |
| 1940 | msleep(20); |
| 1941 | |
| 1942 | clear_bit(QLC_83XX_MODULE_LOADED, &adapter->ahw->idc.status); |
| 1943 | clear_bit(__QLCNIC_RESETTING, &adapter->state); |
| 1944 | cancel_delayed_work_sync(&adapter->fw_work); |
| 1945 | } |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 1946 | |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 1947 | static int qlcnic_sriov_check_vlan_id(struct qlcnic_sriov *sriov, |
| 1948 | struct qlcnic_vf_info *vf, u16 vlan_id) |
| 1949 | { |
| 1950 | int i, err = -EINVAL; |
| 1951 | |
| 1952 | if (!vf->sriov_vlans) |
| 1953 | return err; |
| 1954 | |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 1955 | spin_lock_bh(&vf->vlan_list_lock); |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 1956 | |
| 1957 | for (i = 0; i < sriov->num_allowed_vlans; i++) { |
| 1958 | if (vf->sriov_vlans[i] == vlan_id) { |
| 1959 | err = 0; |
| 1960 | break; |
| 1961 | } |
| 1962 | } |
| 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_num_vlans(struct qlcnic_sriov *sriov, |
| 1969 | struct qlcnic_vf_info *vf) |
| 1970 | { |
| 1971 | int err = 0; |
| 1972 | |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 1973 | spin_lock_bh(&vf->vlan_list_lock); |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 1974 | |
| 1975 | if (vf->num_vlan >= sriov->num_allowed_vlans) |
| 1976 | err = -EINVAL; |
| 1977 | |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 1978 | spin_unlock_bh(&vf->vlan_list_lock); |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 1979 | return err; |
| 1980 | } |
| 1981 | |
| 1982 | static int qlcnic_sriov_validate_vlan_cfg(struct qlcnic_adapter *adapter, |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 1983 | u16 vid, u8 enable) |
| 1984 | { |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 1985 | struct qlcnic_sriov *sriov = adapter->ahw->sriov; |
| 1986 | struct qlcnic_vf_info *vf; |
| 1987 | bool vlan_exist; |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 1988 | u8 allowed = 0; |
| 1989 | int i; |
| 1990 | |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 1991 | vf = &adapter->ahw->sriov->vf_info[0]; |
| 1992 | vlan_exist = qlcnic_sriov_check_any_vlan(vf); |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 1993 | if (sriov->vlan_mode != QLC_GUEST_VLAN_MODE) |
| 1994 | return -EINVAL; |
| 1995 | |
| 1996 | if (enable) { |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 1997 | if (qlcnic_83xx_vf_check(adapter) && vlan_exist) |
| 1998 | return -EINVAL; |
| 1999 | |
| 2000 | if (qlcnic_sriov_validate_num_vlans(sriov, vf)) |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 2001 | return -EINVAL; |
| 2002 | |
| 2003 | if (sriov->any_vlan) { |
| 2004 | for (i = 0; i < sriov->num_allowed_vlans; i++) { |
| 2005 | if (sriov->allowed_vlans[i] == vid) |
| 2006 | allowed = 1; |
| 2007 | } |
| 2008 | |
| 2009 | if (!allowed) |
| 2010 | return -EINVAL; |
| 2011 | } |
| 2012 | } else { |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 2013 | if (!vlan_exist || qlcnic_sriov_check_vlan_id(sriov, vf, vid)) |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 2014 | return -EINVAL; |
| 2015 | } |
| 2016 | |
| 2017 | return 0; |
| 2018 | } |
| 2019 | |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 2020 | static void qlcnic_sriov_vlan_operation(struct qlcnic_vf_info *vf, u16 vlan_id, |
| 2021 | enum qlcnic_vlan_operations opcode) |
| 2022 | { |
| 2023 | struct qlcnic_adapter *adapter = vf->adapter; |
| 2024 | struct qlcnic_sriov *sriov; |
| 2025 | |
| 2026 | sriov = adapter->ahw->sriov; |
| 2027 | |
| 2028 | if (!vf->sriov_vlans) |
| 2029 | return; |
| 2030 | |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 2031 | spin_lock_bh(&vf->vlan_list_lock); |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 2032 | |
| 2033 | switch (opcode) { |
| 2034 | case QLC_VLAN_ADD: |
| 2035 | qlcnic_sriov_add_vlan_id(sriov, vf, vlan_id); |
| 2036 | break; |
| 2037 | case QLC_VLAN_DELETE: |
| 2038 | qlcnic_sriov_del_vlan_id(sriov, vf, vlan_id); |
| 2039 | break; |
| 2040 | default: |
| 2041 | netdev_err(adapter->netdev, "Invalid VLAN operation\n"); |
| 2042 | } |
| 2043 | |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 2044 | spin_unlock_bh(&vf->vlan_list_lock); |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 2045 | return; |
| 2046 | } |
| 2047 | |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 2048 | int qlcnic_sriov_cfg_vf_guest_vlan(struct qlcnic_adapter *adapter, |
| 2049 | u16 vid, u8 enable) |
| 2050 | { |
| 2051 | struct qlcnic_sriov *sriov = adapter->ahw->sriov; |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 2052 | struct net_device *netdev = adapter->netdev; |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 2053 | struct qlcnic_vf_info *vf; |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 2054 | struct qlcnic_cmd_args cmd; |
| 2055 | int ret; |
| 2056 | |
Rajesh Borundia | c531692 | 2014-06-04 03:40:54 -0400 | [diff] [blame] | 2057 | memset(&cmd, 0, sizeof(cmd)); |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 2058 | if (vid == 0) |
| 2059 | return 0; |
| 2060 | |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 2061 | vf = &adapter->ahw->sriov->vf_info[0]; |
| 2062 | ret = qlcnic_sriov_validate_vlan_cfg(adapter, vid, enable); |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 2063 | if (ret) |
| 2064 | return ret; |
| 2065 | |
| 2066 | ret = qlcnic_sriov_alloc_bc_mbx_args(&cmd, |
| 2067 | QLCNIC_BC_CMD_CFG_GUEST_VLAN); |
| 2068 | if (ret) |
| 2069 | return ret; |
| 2070 | |
| 2071 | cmd.req.arg[1] = (enable & 1) | vid << 16; |
| 2072 | |
| 2073 | qlcnic_sriov_cleanup_async_list(&sriov->bc); |
| 2074 | ret = qlcnic_issue_cmd(adapter, &cmd); |
| 2075 | if (ret) { |
| 2076 | dev_err(&adapter->pdev->dev, |
| 2077 | "Failed to configure guest VLAN, err=%d\n", ret); |
| 2078 | } else { |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 2079 | netif_addr_lock_bh(netdev); |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 2080 | qlcnic_free_mac_list(adapter); |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 2081 | netif_addr_unlock_bh(netdev); |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 2082 | |
| 2083 | if (enable) |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 2084 | qlcnic_sriov_vlan_operation(vf, vid, QLC_VLAN_ADD); |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 2085 | else |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 2086 | qlcnic_sriov_vlan_operation(vf, vid, QLC_VLAN_DELETE); |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 2087 | |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 2088 | netif_addr_lock_bh(netdev); |
| 2089 | qlcnic_set_multi(netdev); |
| 2090 | netif_addr_unlock_bh(netdev); |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 2091 | } |
| 2092 | |
| 2093 | qlcnic_free_mbx_args(&cmd); |
| 2094 | return ret; |
| 2095 | } |
| 2096 | |
| 2097 | static void qlcnic_sriov_vf_free_mac_list(struct qlcnic_adapter *adapter) |
| 2098 | { |
| 2099 | struct list_head *head = &adapter->mac_list; |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 2100 | struct qlcnic_mac_vlan_list *cur; |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 2101 | |
| 2102 | while (!list_empty(head)) { |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 2103 | cur = list_entry(head->next, struct qlcnic_mac_vlan_list, list); |
| 2104 | qlcnic_sre_macaddr_change(adapter, cur->mac_addr, cur->vlan_id, |
| 2105 | QLCNIC_MAC_DEL); |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 2106 | list_del(&cur->list); |
| 2107 | kfree(cur); |
| 2108 | } |
| 2109 | } |
Rajesh Borundia | 486a5bc | 2013-06-22 04:12:06 -0400 | [diff] [blame] | 2110 | |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 2111 | |
stephen hemminger | 2104140 | 2014-01-16 10:31:27 -0800 | [diff] [blame] | 2112 | static int qlcnic_sriov_vf_shutdown(struct pci_dev *pdev) |
Rajesh Borundia | 486a5bc | 2013-06-22 04:12:06 -0400 | [diff] [blame] | 2113 | { |
| 2114 | struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); |
| 2115 | struct net_device *netdev = adapter->netdev; |
| 2116 | int retval; |
| 2117 | |
| 2118 | netif_device_detach(netdev); |
| 2119 | qlcnic_cancel_idc_work(adapter); |
| 2120 | |
| 2121 | if (netif_running(netdev)) |
| 2122 | qlcnic_down(adapter, netdev); |
| 2123 | |
| 2124 | qlcnic_sriov_channel_cfg_cmd(adapter, QLCNIC_BC_CMD_CHANNEL_TERM); |
| 2125 | qlcnic_sriov_cfg_bc_intr(adapter, 0); |
| 2126 | qlcnic_83xx_disable_mbx_intr(adapter); |
| 2127 | cancel_delayed_work_sync(&adapter->idc_aen_work); |
| 2128 | |
| 2129 | retval = pci_save_state(pdev); |
| 2130 | if (retval) |
| 2131 | return retval; |
| 2132 | |
| 2133 | return 0; |
| 2134 | } |
| 2135 | |
stephen hemminger | 2104140 | 2014-01-16 10:31:27 -0800 | [diff] [blame] | 2136 | static int qlcnic_sriov_vf_resume(struct qlcnic_adapter *adapter) |
Rajesh Borundia | 486a5bc | 2013-06-22 04:12:06 -0400 | [diff] [blame] | 2137 | { |
| 2138 | struct qlc_83xx_idc *idc = &adapter->ahw->idc; |
| 2139 | struct net_device *netdev = adapter->netdev; |
| 2140 | int err; |
| 2141 | |
| 2142 | set_bit(QLC_83XX_MODULE_LOADED, &idc->status); |
Manish Chopra | e5c4e6c | 2013-08-02 00:57:40 -0400 | [diff] [blame] | 2143 | qlcnic_83xx_enable_mbx_interrupt(adapter); |
Rajesh Borundia | 486a5bc | 2013-06-22 04:12:06 -0400 | [diff] [blame] | 2144 | err = qlcnic_sriov_cfg_bc_intr(adapter, 1); |
| 2145 | if (err) |
| 2146 | return err; |
| 2147 | |
| 2148 | err = qlcnic_sriov_channel_cfg_cmd(adapter, QLCNIC_BC_CMD_CHANNEL_INIT); |
| 2149 | if (!err) { |
| 2150 | if (netif_running(netdev)) { |
| 2151 | err = qlcnic_up(adapter, netdev); |
| 2152 | if (!err) |
| 2153 | qlcnic_restore_indev_addr(netdev, NETDEV_UP); |
| 2154 | } |
| 2155 | } |
| 2156 | |
| 2157 | netif_device_attach(netdev); |
| 2158 | qlcnic_schedule_work(adapter, qlcnic_sriov_vf_poll_dev_state, |
| 2159 | idc->delay); |
| 2160 | return err; |
| 2161 | } |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 2162 | |
| 2163 | void qlcnic_sriov_alloc_vlans(struct qlcnic_adapter *adapter) |
| 2164 | { |
| 2165 | struct qlcnic_sriov *sriov = adapter->ahw->sriov; |
| 2166 | struct qlcnic_vf_info *vf; |
| 2167 | int i; |
| 2168 | |
| 2169 | for (i = 0; i < sriov->num_vfs; i++) { |
| 2170 | vf = &sriov->vf_info[i]; |
| 2171 | vf->sriov_vlans = kcalloc(sriov->num_allowed_vlans, |
| 2172 | sizeof(*vf->sriov_vlans), GFP_KERNEL); |
| 2173 | } |
| 2174 | } |
| 2175 | |
| 2176 | void qlcnic_sriov_free_vlans(struct qlcnic_adapter *adapter) |
| 2177 | { |
| 2178 | struct qlcnic_sriov *sriov = adapter->ahw->sriov; |
| 2179 | struct qlcnic_vf_info *vf; |
| 2180 | int i; |
| 2181 | |
| 2182 | for (i = 0; i < sriov->num_vfs; i++) { |
| 2183 | vf = &sriov->vf_info[i]; |
| 2184 | kfree(vf->sriov_vlans); |
| 2185 | vf->sriov_vlans = NULL; |
| 2186 | } |
| 2187 | } |
| 2188 | |
| 2189 | void qlcnic_sriov_add_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]) { |
| 2196 | vf->sriov_vlans[i] = vlan_id; |
| 2197 | vf->num_vlan++; |
| 2198 | return; |
| 2199 | } |
| 2200 | } |
| 2201 | } |
| 2202 | |
| 2203 | void qlcnic_sriov_del_vlan_id(struct qlcnic_sriov *sriov, |
| 2204 | struct qlcnic_vf_info *vf, u16 vlan_id) |
| 2205 | { |
| 2206 | int i; |
| 2207 | |
| 2208 | for (i = 0; i < sriov->num_allowed_vlans; i++) { |
| 2209 | if (vf->sriov_vlans[i] == vlan_id) { |
| 2210 | vf->sriov_vlans[i] = 0; |
| 2211 | vf->num_vlan--; |
| 2212 | return; |
| 2213 | } |
| 2214 | } |
| 2215 | } |
| 2216 | |
| 2217 | bool qlcnic_sriov_check_any_vlan(struct qlcnic_vf_info *vf) |
| 2218 | { |
| 2219 | bool err = false; |
| 2220 | |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 2221 | spin_lock_bh(&vf->vlan_list_lock); |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 2222 | |
| 2223 | if (vf->num_vlan) |
| 2224 | err = true; |
| 2225 | |
Rajesh Borundia | 74b7ba1 | 2014-05-09 02:51:30 -0400 | [diff] [blame] | 2226 | spin_unlock_bh(&vf->vlan_list_lock); |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 2227 | return err; |
| 2228 | } |