Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1 | /******************************************************************************* |
| 2 | * |
| 3 | * Intel Ethernet Controller XL710 Family Linux Driver |
Neerav Parikh | 5161601 | 2015-02-06 08:52:14 +0000 | [diff] [blame] | 4 | * Copyright(c) 2013 - 2015 Intel Corporation. |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify it |
| 7 | * under the terms and conditions of the GNU General Public License, |
| 8 | * version 2, as published by the Free Software Foundation. |
| 9 | * |
| 10 | * This program is distributed in the hope it will be useful, but WITHOUT |
| 11 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 12 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| 13 | * more details. |
| 14 | * |
Greg Rose | dc641b7 | 2013-12-18 13:45:51 +0000 | [diff] [blame] | 15 | * You should have received a copy of the GNU General Public License along |
| 16 | * with this program. If not, see <http://www.gnu.org/licenses/>. |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 17 | * |
| 18 | * The full GNU General Public License is included in this distribution in |
| 19 | * the file called "COPYING". |
| 20 | * |
| 21 | * Contact Information: |
| 22 | * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> |
| 23 | * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 |
| 24 | * |
| 25 | ******************************************************************************/ |
| 26 | |
| 27 | #include "i40e.h" |
| 28 | |
| 29 | /***********************misc routines*****************************/ |
| 30 | |
| 31 | /** |
Greg Rose | f9b4b62 | 2014-03-06 09:02:28 +0000 | [diff] [blame] | 32 | * i40e_vc_disable_vf |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 33 | * @pf: pointer to the PF info |
| 34 | * @vf: pointer to the VF info |
Greg Rose | f9b4b62 | 2014-03-06 09:02:28 +0000 | [diff] [blame] | 35 | * |
| 36 | * Disable the VF through a SW reset |
| 37 | **/ |
| 38 | static inline void i40e_vc_disable_vf(struct i40e_pf *pf, struct i40e_vf *vf) |
| 39 | { |
| 40 | struct i40e_hw *hw = &pf->hw; |
| 41 | u32 reg; |
| 42 | |
| 43 | reg = rd32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id)); |
| 44 | reg |= I40E_VPGEN_VFRTRIG_VFSWR_MASK; |
| 45 | wr32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id), reg); |
| 46 | i40e_flush(hw); |
| 47 | } |
| 48 | |
| 49 | /** |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 50 | * i40e_vc_isvalid_vsi_id |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 51 | * @vf: pointer to the VF info |
| 52 | * @vsi_id: VF relative VSI id |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 53 | * |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 54 | * check for the valid VSI id |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 55 | **/ |
Anjali Singhai Jain | fdf0e0b | 2015-03-31 00:45:05 -0700 | [diff] [blame^] | 56 | static inline bool i40e_vc_isvalid_vsi_id(struct i40e_vf *vf, u16 vsi_id) |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 57 | { |
| 58 | struct i40e_pf *pf = vf->pf; |
Anjali Singhai Jain | fdf0e0b | 2015-03-31 00:45:05 -0700 | [diff] [blame^] | 59 | struct i40e_vsi *vsi = i40e_find_vsi_from_id(pf, vsi_id); |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 60 | |
Anjali Singhai Jain | fdf0e0b | 2015-03-31 00:45:05 -0700 | [diff] [blame^] | 61 | return (vsi && (vsi->vf_id == vf->vf_id)); |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 62 | } |
| 63 | |
| 64 | /** |
| 65 | * i40e_vc_isvalid_queue_id |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 66 | * @vf: pointer to the VF info |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 67 | * @vsi_id: vsi id |
| 68 | * @qid: vsi relative queue id |
| 69 | * |
| 70 | * check for the valid queue id |
| 71 | **/ |
Anjali Singhai Jain | fdf0e0b | 2015-03-31 00:45:05 -0700 | [diff] [blame^] | 72 | static inline bool i40e_vc_isvalid_queue_id(struct i40e_vf *vf, u16 vsi_id, |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 73 | u8 qid) |
| 74 | { |
| 75 | struct i40e_pf *pf = vf->pf; |
Anjali Singhai Jain | fdf0e0b | 2015-03-31 00:45:05 -0700 | [diff] [blame^] | 76 | struct i40e_vsi *vsi = i40e_find_vsi_from_id(pf, vsi_id); |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 77 | |
Anjali Singhai Jain | fdf0e0b | 2015-03-31 00:45:05 -0700 | [diff] [blame^] | 78 | return (vsi && (qid < vsi->alloc_queue_pairs)); |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 79 | } |
| 80 | |
| 81 | /** |
| 82 | * i40e_vc_isvalid_vector_id |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 83 | * @vf: pointer to the VF info |
| 84 | * @vector_id: VF relative vector id |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 85 | * |
| 86 | * check for the valid vector id |
| 87 | **/ |
| 88 | static inline bool i40e_vc_isvalid_vector_id(struct i40e_vf *vf, u8 vector_id) |
| 89 | { |
| 90 | struct i40e_pf *pf = vf->pf; |
| 91 | |
Mitch Williams | 9347eb7 | 2014-02-11 08:26:32 +0000 | [diff] [blame] | 92 | return vector_id < pf->hw.func_caps.num_msix_vectors_vf; |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 93 | } |
| 94 | |
| 95 | /***********************vf resource mgmt routines*****************/ |
| 96 | |
| 97 | /** |
| 98 | * i40e_vc_get_pf_queue_id |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 99 | * @vf: pointer to the VF info |
Anjali Singhai Jain | fdf0e0b | 2015-03-31 00:45:05 -0700 | [diff] [blame^] | 100 | * @vsi_id: id of VSI as provided by the FW |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 101 | * @vsi_queue_id: vsi relative queue id |
| 102 | * |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 103 | * return PF relative queue id |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 104 | **/ |
Anjali Singhai Jain | fdf0e0b | 2015-03-31 00:45:05 -0700 | [diff] [blame^] | 105 | static u16 i40e_vc_get_pf_queue_id(struct i40e_vf *vf, u16 vsi_id, |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 106 | u8 vsi_queue_id) |
| 107 | { |
| 108 | struct i40e_pf *pf = vf->pf; |
Anjali Singhai Jain | fdf0e0b | 2015-03-31 00:45:05 -0700 | [diff] [blame^] | 109 | struct i40e_vsi *vsi = i40e_find_vsi_from_id(pf, vsi_id); |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 110 | u16 pf_queue_id = I40E_QUEUE_END_OF_LIST; |
| 111 | |
Anjali Singhai Jain | fdf0e0b | 2015-03-31 00:45:05 -0700 | [diff] [blame^] | 112 | if (!vsi) |
| 113 | return pf_queue_id; |
| 114 | |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 115 | if (le16_to_cpu(vsi->info.mapping_flags) & |
| 116 | I40E_AQ_VSI_QUE_MAP_NONCONTIG) |
| 117 | pf_queue_id = |
| 118 | le16_to_cpu(vsi->info.queue_mapping[vsi_queue_id]); |
| 119 | else |
| 120 | pf_queue_id = le16_to_cpu(vsi->info.queue_mapping[0]) + |
| 121 | vsi_queue_id; |
| 122 | |
| 123 | return pf_queue_id; |
| 124 | } |
| 125 | |
| 126 | /** |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 127 | * i40e_config_irq_link_list |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 128 | * @vf: pointer to the VF info |
Anjali Singhai Jain | fdf0e0b | 2015-03-31 00:45:05 -0700 | [diff] [blame^] | 129 | * @vsi_id: id of VSI as given by the FW |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 130 | * @vecmap: irq map info |
| 131 | * |
| 132 | * configure irq link list from the map |
| 133 | **/ |
Anjali Singhai Jain | fdf0e0b | 2015-03-31 00:45:05 -0700 | [diff] [blame^] | 134 | static void i40e_config_irq_link_list(struct i40e_vf *vf, u16 vsi_id, |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 135 | struct i40e_virtchnl_vector_map *vecmap) |
| 136 | { |
| 137 | unsigned long linklistmap = 0, tempmap; |
| 138 | struct i40e_pf *pf = vf->pf; |
| 139 | struct i40e_hw *hw = &pf->hw; |
| 140 | u16 vsi_queue_id, pf_queue_id; |
| 141 | enum i40e_queue_type qtype; |
| 142 | u16 next_q, vector_id; |
| 143 | u32 reg, reg_idx; |
| 144 | u16 itr_idx = 0; |
| 145 | |
| 146 | vector_id = vecmap->vector_id; |
| 147 | /* setup the head */ |
| 148 | if (0 == vector_id) |
| 149 | reg_idx = I40E_VPINT_LNKLST0(vf->vf_id); |
| 150 | else |
| 151 | reg_idx = I40E_VPINT_LNKLSTN( |
Mitch Williams | 9347eb7 | 2014-02-11 08:26:32 +0000 | [diff] [blame] | 152 | ((pf->hw.func_caps.num_msix_vectors_vf - 1) * vf->vf_id) + |
| 153 | (vector_id - 1)); |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 154 | |
| 155 | if (vecmap->rxq_map == 0 && vecmap->txq_map == 0) { |
| 156 | /* Special case - No queues mapped on this vector */ |
| 157 | wr32(hw, reg_idx, I40E_VPINT_LNKLST0_FIRSTQ_INDX_MASK); |
| 158 | goto irq_list_done; |
| 159 | } |
| 160 | tempmap = vecmap->rxq_map; |
Wei Yongjun | 4836650 | 2013-09-24 05:17:36 +0000 | [diff] [blame] | 161 | for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) { |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 162 | linklistmap |= (1 << |
| 163 | (I40E_VIRTCHNL_SUPPORTED_QTYPES * |
| 164 | vsi_queue_id)); |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 165 | } |
| 166 | |
| 167 | tempmap = vecmap->txq_map; |
Wei Yongjun | 4836650 | 2013-09-24 05:17:36 +0000 | [diff] [blame] | 168 | for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) { |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 169 | linklistmap |= (1 << |
| 170 | (I40E_VIRTCHNL_SUPPORTED_QTYPES * vsi_queue_id |
| 171 | + 1)); |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 172 | } |
| 173 | |
| 174 | next_q = find_first_bit(&linklistmap, |
| 175 | (I40E_MAX_VSI_QP * |
| 176 | I40E_VIRTCHNL_SUPPORTED_QTYPES)); |
| 177 | vsi_queue_id = next_q/I40E_VIRTCHNL_SUPPORTED_QTYPES; |
| 178 | qtype = next_q%I40E_VIRTCHNL_SUPPORTED_QTYPES; |
Anjali Singhai Jain | fdf0e0b | 2015-03-31 00:45:05 -0700 | [diff] [blame^] | 179 | pf_queue_id = i40e_vc_get_pf_queue_id(vf, vsi_id, vsi_queue_id); |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 180 | reg = ((qtype << I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_SHIFT) | pf_queue_id); |
| 181 | |
| 182 | wr32(hw, reg_idx, reg); |
| 183 | |
| 184 | while (next_q < (I40E_MAX_VSI_QP * I40E_VIRTCHNL_SUPPORTED_QTYPES)) { |
| 185 | switch (qtype) { |
| 186 | case I40E_QUEUE_TYPE_RX: |
| 187 | reg_idx = I40E_QINT_RQCTL(pf_queue_id); |
| 188 | itr_idx = vecmap->rxitr_idx; |
| 189 | break; |
| 190 | case I40E_QUEUE_TYPE_TX: |
| 191 | reg_idx = I40E_QINT_TQCTL(pf_queue_id); |
| 192 | itr_idx = vecmap->txitr_idx; |
| 193 | break; |
| 194 | default: |
| 195 | break; |
| 196 | } |
| 197 | |
| 198 | next_q = find_next_bit(&linklistmap, |
| 199 | (I40E_MAX_VSI_QP * |
| 200 | I40E_VIRTCHNL_SUPPORTED_QTYPES), |
| 201 | next_q + 1); |
Mitch Williams | 829af3a | 2013-12-18 13:46:00 +0000 | [diff] [blame] | 202 | if (next_q < |
| 203 | (I40E_MAX_VSI_QP * I40E_VIRTCHNL_SUPPORTED_QTYPES)) { |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 204 | vsi_queue_id = next_q / I40E_VIRTCHNL_SUPPORTED_QTYPES; |
| 205 | qtype = next_q % I40E_VIRTCHNL_SUPPORTED_QTYPES; |
Anjali Singhai Jain | fdf0e0b | 2015-03-31 00:45:05 -0700 | [diff] [blame^] | 206 | pf_queue_id = i40e_vc_get_pf_queue_id(vf, vsi_id, |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 207 | vsi_queue_id); |
| 208 | } else { |
| 209 | pf_queue_id = I40E_QUEUE_END_OF_LIST; |
| 210 | qtype = 0; |
| 211 | } |
| 212 | |
| 213 | /* format for the RQCTL & TQCTL regs is same */ |
| 214 | reg = (vector_id) | |
| 215 | (qtype << I40E_QINT_RQCTL_NEXTQ_TYPE_SHIFT) | |
| 216 | (pf_queue_id << I40E_QINT_RQCTL_NEXTQ_INDX_SHIFT) | |
| 217 | (1 << I40E_QINT_RQCTL_CAUSE_ENA_SHIFT) | |
| 218 | (itr_idx << I40E_QINT_RQCTL_ITR_INDX_SHIFT); |
| 219 | wr32(hw, reg_idx, reg); |
| 220 | } |
| 221 | |
| 222 | irq_list_done: |
| 223 | i40e_flush(hw); |
| 224 | } |
| 225 | |
| 226 | /** |
| 227 | * i40e_config_vsi_tx_queue |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 228 | * @vf: pointer to the VF info |
Anjali Singhai Jain | fdf0e0b | 2015-03-31 00:45:05 -0700 | [diff] [blame^] | 229 | * @vsi_id: id of VSI as provided by the FW |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 230 | * @vsi_queue_id: vsi relative queue index |
| 231 | * @info: config. info |
| 232 | * |
| 233 | * configure tx queue |
| 234 | **/ |
Anjali Singhai Jain | fdf0e0b | 2015-03-31 00:45:05 -0700 | [diff] [blame^] | 235 | static int i40e_config_vsi_tx_queue(struct i40e_vf *vf, u16 vsi_id, |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 236 | u16 vsi_queue_id, |
| 237 | struct i40e_virtchnl_txq_info *info) |
| 238 | { |
| 239 | struct i40e_pf *pf = vf->pf; |
| 240 | struct i40e_hw *hw = &pf->hw; |
| 241 | struct i40e_hmc_obj_txq tx_ctx; |
Anjali Singhai Jain | fdf0e0b | 2015-03-31 00:45:05 -0700 | [diff] [blame^] | 242 | struct i40e_vsi *vsi; |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 243 | u16 pf_queue_id; |
| 244 | u32 qtx_ctl; |
| 245 | int ret = 0; |
| 246 | |
Anjali Singhai Jain | fdf0e0b | 2015-03-31 00:45:05 -0700 | [diff] [blame^] | 247 | pf_queue_id = i40e_vc_get_pf_queue_id(vf, vsi_id, vsi_queue_id); |
| 248 | vsi = i40e_find_vsi_from_id(pf, vsi_id); |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 249 | |
| 250 | /* clear the context structure first */ |
| 251 | memset(&tx_ctx, 0, sizeof(struct i40e_hmc_obj_txq)); |
| 252 | |
| 253 | /* only set the required fields */ |
| 254 | tx_ctx.base = info->dma_ring_addr / 128; |
| 255 | tx_ctx.qlen = info->ring_len; |
Anjali Singhai Jain | fdf0e0b | 2015-03-31 00:45:05 -0700 | [diff] [blame^] | 256 | tx_ctx.rdylist = le16_to_cpu(vsi->info.qs_handle[0]); |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 257 | tx_ctx.rdylist_act = 0; |
Ashish Shah | 5d29896 | 2014-05-22 06:31:25 +0000 | [diff] [blame] | 258 | tx_ctx.head_wb_ena = info->headwb_enabled; |
| 259 | tx_ctx.head_wb_addr = info->dma_headwb_addr; |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 260 | |
| 261 | /* clear the context in the HMC */ |
| 262 | ret = i40e_clear_lan_tx_queue_context(hw, pf_queue_id); |
| 263 | if (ret) { |
| 264 | dev_err(&pf->pdev->dev, |
| 265 | "Failed to clear VF LAN Tx queue context %d, error: %d\n", |
| 266 | pf_queue_id, ret); |
| 267 | ret = -ENOENT; |
| 268 | goto error_context; |
| 269 | } |
| 270 | |
| 271 | /* set the context in the HMC */ |
| 272 | ret = i40e_set_lan_tx_queue_context(hw, pf_queue_id, &tx_ctx); |
| 273 | if (ret) { |
| 274 | dev_err(&pf->pdev->dev, |
| 275 | "Failed to set VF LAN Tx queue context %d error: %d\n", |
| 276 | pf_queue_id, ret); |
| 277 | ret = -ENOENT; |
| 278 | goto error_context; |
| 279 | } |
| 280 | |
| 281 | /* associate this queue with the PCI VF function */ |
| 282 | qtx_ctl = I40E_QTX_CTL_VF_QUEUE; |
Shannon Nelson | 13fd977 | 2013-09-28 07:14:19 +0000 | [diff] [blame] | 283 | qtx_ctl |= ((hw->pf_id << I40E_QTX_CTL_PF_INDX_SHIFT) |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 284 | & I40E_QTX_CTL_PF_INDX_MASK); |
| 285 | qtx_ctl |= (((vf->vf_id + hw->func_caps.vf_base_id) |
| 286 | << I40E_QTX_CTL_VFVM_INDX_SHIFT) |
| 287 | & I40E_QTX_CTL_VFVM_INDX_MASK); |
| 288 | wr32(hw, I40E_QTX_CTL(pf_queue_id), qtx_ctl); |
| 289 | i40e_flush(hw); |
| 290 | |
| 291 | error_context: |
| 292 | return ret; |
| 293 | } |
| 294 | |
| 295 | /** |
| 296 | * i40e_config_vsi_rx_queue |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 297 | * @vf: pointer to the VF info |
Anjali Singhai Jain | fdf0e0b | 2015-03-31 00:45:05 -0700 | [diff] [blame^] | 298 | * @vsi_id: id of VSI as provided by the FW |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 299 | * @vsi_queue_id: vsi relative queue index |
| 300 | * @info: config. info |
| 301 | * |
| 302 | * configure rx queue |
| 303 | **/ |
Anjali Singhai Jain | fdf0e0b | 2015-03-31 00:45:05 -0700 | [diff] [blame^] | 304 | static int i40e_config_vsi_rx_queue(struct i40e_vf *vf, u16 vsi_id, |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 305 | u16 vsi_queue_id, |
| 306 | struct i40e_virtchnl_rxq_info *info) |
| 307 | { |
| 308 | struct i40e_pf *pf = vf->pf; |
| 309 | struct i40e_hw *hw = &pf->hw; |
| 310 | struct i40e_hmc_obj_rxq rx_ctx; |
| 311 | u16 pf_queue_id; |
| 312 | int ret = 0; |
| 313 | |
Anjali Singhai Jain | fdf0e0b | 2015-03-31 00:45:05 -0700 | [diff] [blame^] | 314 | pf_queue_id = i40e_vc_get_pf_queue_id(vf, vsi_id, vsi_queue_id); |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 315 | |
| 316 | /* clear the context structure first */ |
| 317 | memset(&rx_ctx, 0, sizeof(struct i40e_hmc_obj_rxq)); |
| 318 | |
| 319 | /* only set the required fields */ |
| 320 | rx_ctx.base = info->dma_ring_addr / 128; |
| 321 | rx_ctx.qlen = info->ring_len; |
| 322 | |
| 323 | if (info->splithdr_enabled) { |
| 324 | rx_ctx.hsplit_0 = I40E_RX_SPLIT_L2 | |
| 325 | I40E_RX_SPLIT_IP | |
| 326 | I40E_RX_SPLIT_TCP_UDP | |
| 327 | I40E_RX_SPLIT_SCTP; |
| 328 | /* header length validation */ |
| 329 | if (info->hdr_size > ((2 * 1024) - 64)) { |
| 330 | ret = -EINVAL; |
| 331 | goto error_param; |
| 332 | } |
| 333 | rx_ctx.hbuff = info->hdr_size >> I40E_RXQ_CTX_HBUFF_SHIFT; |
| 334 | |
| 335 | /* set splitalways mode 10b */ |
| 336 | rx_ctx.dtype = 0x2; |
| 337 | } |
| 338 | |
| 339 | /* databuffer length validation */ |
| 340 | if (info->databuffer_size > ((16 * 1024) - 128)) { |
| 341 | ret = -EINVAL; |
| 342 | goto error_param; |
| 343 | } |
| 344 | rx_ctx.dbuff = info->databuffer_size >> I40E_RXQ_CTX_DBUFF_SHIFT; |
| 345 | |
| 346 | /* max pkt. length validation */ |
| 347 | if (info->max_pkt_size >= (16 * 1024) || info->max_pkt_size < 64) { |
| 348 | ret = -EINVAL; |
| 349 | goto error_param; |
| 350 | } |
| 351 | rx_ctx.rxmax = info->max_pkt_size; |
| 352 | |
| 353 | /* enable 32bytes desc always */ |
| 354 | rx_ctx.dsize = 1; |
| 355 | |
| 356 | /* default values */ |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 357 | rx_ctx.lrxqthresh = 2; |
| 358 | rx_ctx.crcstrip = 1; |
Mitch Williams | 50d4165 | 2014-04-09 05:58:55 +0000 | [diff] [blame] | 359 | rx_ctx.prefena = 1; |
Shannon Nelson | c1d11ce | 2014-07-29 04:01:03 +0000 | [diff] [blame] | 360 | rx_ctx.l2tsel = 1; |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 361 | |
| 362 | /* clear the context in the HMC */ |
| 363 | ret = i40e_clear_lan_rx_queue_context(hw, pf_queue_id); |
| 364 | if (ret) { |
| 365 | dev_err(&pf->pdev->dev, |
| 366 | "Failed to clear VF LAN Rx queue context %d, error: %d\n", |
| 367 | pf_queue_id, ret); |
| 368 | ret = -ENOENT; |
| 369 | goto error_param; |
| 370 | } |
| 371 | |
| 372 | /* set the context in the HMC */ |
| 373 | ret = i40e_set_lan_rx_queue_context(hw, pf_queue_id, &rx_ctx); |
| 374 | if (ret) { |
| 375 | dev_err(&pf->pdev->dev, |
| 376 | "Failed to set VF LAN Rx queue context %d error: %d\n", |
| 377 | pf_queue_id, ret); |
| 378 | ret = -ENOENT; |
| 379 | goto error_param; |
| 380 | } |
| 381 | |
| 382 | error_param: |
| 383 | return ret; |
| 384 | } |
| 385 | |
| 386 | /** |
| 387 | * i40e_alloc_vsi_res |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 388 | * @vf: pointer to the VF info |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 389 | * @type: type of VSI to allocate |
| 390 | * |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 391 | * alloc VF vsi context & resources |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 392 | **/ |
| 393 | static int i40e_alloc_vsi_res(struct i40e_vf *vf, enum i40e_vsi_type type) |
| 394 | { |
| 395 | struct i40e_mac_filter *f = NULL; |
| 396 | struct i40e_pf *pf = vf->pf; |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 397 | struct i40e_vsi *vsi; |
| 398 | int ret = 0; |
| 399 | |
| 400 | vsi = i40e_vsi_setup(pf, type, pf->vsi[pf->lan_vsi]->seid, vf->vf_id); |
| 401 | |
| 402 | if (!vsi) { |
| 403 | dev_err(&pf->pdev->dev, |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 404 | "add vsi failed for VF %d, aq_err %d\n", |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 405 | vf->vf_id, pf->hw.aq.asq_last_status); |
| 406 | ret = -ENOENT; |
| 407 | goto error_alloc_vsi_res; |
| 408 | } |
| 409 | if (type == I40E_VSI_SRIOV) { |
Greg Rose | 1a10370 | 2013-11-28 06:42:39 +0000 | [diff] [blame] | 410 | u8 brdcast[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; |
Anjali Singhai Jain | fdf0e0b | 2015-03-31 00:45:05 -0700 | [diff] [blame^] | 411 | vf->lan_vsi_idx = vsi->idx; |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 412 | vf->lan_vsi_id = vsi->id; |
Greg Rose | 6c12fcb | 2013-11-28 06:39:34 +0000 | [diff] [blame] | 413 | /* If the port VLAN has been configured and then the |
| 414 | * VF driver was removed then the VSI port VLAN |
| 415 | * configuration was destroyed. Check if there is |
| 416 | * a port VLAN and restore the VSI configuration if |
| 417 | * needed. |
| 418 | */ |
| 419 | if (vf->port_vlan_id) |
| 420 | i40e_vsi_add_pvid(vsi, vf->port_vlan_id); |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 421 | f = i40e_add_filter(vsi, vf->default_lan_addr.addr, |
Greg Rose | 6c12fcb | 2013-11-28 06:39:34 +0000 | [diff] [blame] | 422 | vf->port_vlan_id, true, false); |
Greg Rose | 1a10370 | 2013-11-28 06:42:39 +0000 | [diff] [blame] | 423 | if (!f) |
| 424 | dev_info(&pf->pdev->dev, |
| 425 | "Could not allocate VF MAC addr\n"); |
| 426 | f = i40e_add_filter(vsi, brdcast, vf->port_vlan_id, |
| 427 | true, false); |
| 428 | if (!f) |
| 429 | dev_info(&pf->pdev->dev, |
| 430 | "Could not allocate VF broadcast filter\n"); |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 431 | } |
Neerav Parikh | 6dbbbfb | 2013-11-26 10:49:24 +0000 | [diff] [blame] | 432 | |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 433 | /* program mac filter */ |
| 434 | ret = i40e_sync_vsi_filters(vsi); |
Mitch Williams | fd1646e | 2014-02-13 03:48:44 -0800 | [diff] [blame] | 435 | if (ret) |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 436 | dev_err(&pf->pdev->dev, "Unable to program ucast filters\n"); |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 437 | |
Mitch Williams | 6b19289 | 2014-03-06 09:02:29 +0000 | [diff] [blame] | 438 | /* Set VF bandwidth if specified */ |
| 439 | if (vf->tx_rate) { |
| 440 | ret = i40e_aq_config_vsi_bw_limit(&pf->hw, vsi->seid, |
| 441 | vf->tx_rate / 50, 0, NULL); |
| 442 | if (ret) |
| 443 | dev_err(&pf->pdev->dev, "Unable to set tx rate, VF %d, error code %d.\n", |
| 444 | vf->vf_id, ret); |
| 445 | } |
| 446 | |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 447 | error_alloc_vsi_res: |
| 448 | return ret; |
| 449 | } |
| 450 | |
| 451 | /** |
Mitch Williams | 805bd5b | 2013-11-28 06:39:26 +0000 | [diff] [blame] | 452 | * i40e_enable_vf_mappings |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 453 | * @vf: pointer to the VF info |
Mitch Williams | 805bd5b | 2013-11-28 06:39:26 +0000 | [diff] [blame] | 454 | * |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 455 | * enable VF mappings |
Mitch Williams | 805bd5b | 2013-11-28 06:39:26 +0000 | [diff] [blame] | 456 | **/ |
| 457 | static void i40e_enable_vf_mappings(struct i40e_vf *vf) |
| 458 | { |
| 459 | struct i40e_pf *pf = vf->pf; |
| 460 | struct i40e_hw *hw = &pf->hw; |
| 461 | u32 reg, total_queue_pairs = 0; |
| 462 | int j; |
| 463 | |
| 464 | /* Tell the hardware we're using noncontiguous mapping. HW requires |
| 465 | * that VF queues be mapped using this method, even when they are |
| 466 | * contiguous in real life |
| 467 | */ |
| 468 | wr32(hw, I40E_VSILAN_QBASE(vf->lan_vsi_id), |
| 469 | I40E_VSILAN_QBASE_VSIQTABLE_ENA_MASK); |
| 470 | |
| 471 | /* enable VF vplan_qtable mappings */ |
| 472 | reg = I40E_VPLAN_MAPENA_TXRX_ENA_MASK; |
| 473 | wr32(hw, I40E_VPLAN_MAPENA(vf->vf_id), reg); |
| 474 | |
| 475 | /* map PF queues to VF queues */ |
Anjali Singhai Jain | fdf0e0b | 2015-03-31 00:45:05 -0700 | [diff] [blame^] | 476 | for (j = 0; j < pf->vsi[vf->lan_vsi_idx]->alloc_queue_pairs; j++) { |
| 477 | u16 qid = i40e_vc_get_pf_queue_id(vf, vf->lan_vsi_id, j); |
Mitch Williams | 805bd5b | 2013-11-28 06:39:26 +0000 | [diff] [blame] | 478 | reg = (qid & I40E_VPLAN_QTABLE_QINDEX_MASK); |
| 479 | wr32(hw, I40E_VPLAN_QTABLE(total_queue_pairs, vf->vf_id), reg); |
| 480 | total_queue_pairs++; |
| 481 | } |
| 482 | |
| 483 | /* map PF queues to VSI */ |
| 484 | for (j = 0; j < 7; j++) { |
Anjali Singhai Jain | fdf0e0b | 2015-03-31 00:45:05 -0700 | [diff] [blame^] | 485 | if (j * 2 >= pf->vsi[vf->lan_vsi_idx]->alloc_queue_pairs) { |
Mitch Williams | 805bd5b | 2013-11-28 06:39:26 +0000 | [diff] [blame] | 486 | reg = 0x07FF07FF; /* unused */ |
| 487 | } else { |
Anjali Singhai Jain | fdf0e0b | 2015-03-31 00:45:05 -0700 | [diff] [blame^] | 488 | u16 qid = i40e_vc_get_pf_queue_id(vf, vf->lan_vsi_id, |
Mitch Williams | 805bd5b | 2013-11-28 06:39:26 +0000 | [diff] [blame] | 489 | j * 2); |
| 490 | reg = qid; |
Anjali Singhai Jain | fdf0e0b | 2015-03-31 00:45:05 -0700 | [diff] [blame^] | 491 | qid = i40e_vc_get_pf_queue_id(vf, vf->lan_vsi_id, |
Mitch Williams | 805bd5b | 2013-11-28 06:39:26 +0000 | [diff] [blame] | 492 | (j * 2) + 1); |
| 493 | reg |= qid << 16; |
| 494 | } |
| 495 | wr32(hw, I40E_VSILAN_QTABLE(j, vf->lan_vsi_id), reg); |
| 496 | } |
| 497 | |
| 498 | i40e_flush(hw); |
| 499 | } |
| 500 | |
| 501 | /** |
| 502 | * i40e_disable_vf_mappings |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 503 | * @vf: pointer to the VF info |
Mitch Williams | 805bd5b | 2013-11-28 06:39:26 +0000 | [diff] [blame] | 504 | * |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 505 | * disable VF mappings |
Mitch Williams | 805bd5b | 2013-11-28 06:39:26 +0000 | [diff] [blame] | 506 | **/ |
| 507 | static void i40e_disable_vf_mappings(struct i40e_vf *vf) |
| 508 | { |
| 509 | struct i40e_pf *pf = vf->pf; |
| 510 | struct i40e_hw *hw = &pf->hw; |
| 511 | int i; |
| 512 | |
| 513 | /* disable qp mappings */ |
| 514 | wr32(hw, I40E_VPLAN_MAPENA(vf->vf_id), 0); |
| 515 | for (i = 0; i < I40E_MAX_VSI_QP; i++) |
| 516 | wr32(hw, I40E_VPLAN_QTABLE(i, vf->vf_id), |
| 517 | I40E_QUEUE_END_OF_LIST); |
| 518 | i40e_flush(hw); |
| 519 | } |
| 520 | |
| 521 | /** |
| 522 | * i40e_free_vf_res |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 523 | * @vf: pointer to the VF info |
Mitch Williams | 805bd5b | 2013-11-28 06:39:26 +0000 | [diff] [blame] | 524 | * |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 525 | * free VF resources |
Mitch Williams | 805bd5b | 2013-11-28 06:39:26 +0000 | [diff] [blame] | 526 | **/ |
| 527 | static void i40e_free_vf_res(struct i40e_vf *vf) |
| 528 | { |
| 529 | struct i40e_pf *pf = vf->pf; |
Mitch Williams | fc18eaa | 2013-11-28 06:39:27 +0000 | [diff] [blame] | 530 | struct i40e_hw *hw = &pf->hw; |
| 531 | u32 reg_idx, reg; |
| 532 | int i, msix_vf; |
Mitch Williams | 805bd5b | 2013-11-28 06:39:26 +0000 | [diff] [blame] | 533 | |
| 534 | /* free vsi & disconnect it from the parent uplink */ |
Anjali Singhai Jain | fdf0e0b | 2015-03-31 00:45:05 -0700 | [diff] [blame^] | 535 | if (vf->lan_vsi_idx) { |
| 536 | i40e_vsi_release(pf->vsi[vf->lan_vsi_idx]); |
| 537 | vf->lan_vsi_idx = 0; |
Mitch Williams | 805bd5b | 2013-11-28 06:39:26 +0000 | [diff] [blame] | 538 | vf->lan_vsi_id = 0; |
| 539 | } |
Mitch Williams | 9347eb7 | 2014-02-11 08:26:32 +0000 | [diff] [blame] | 540 | msix_vf = pf->hw.func_caps.num_msix_vectors_vf; |
| 541 | |
Mitch Williams | fc18eaa | 2013-11-28 06:39:27 +0000 | [diff] [blame] | 542 | /* disable interrupts so the VF starts in a known state */ |
| 543 | for (i = 0; i < msix_vf; i++) { |
| 544 | /* format is same for both registers */ |
| 545 | if (0 == i) |
| 546 | reg_idx = I40E_VFINT_DYN_CTL0(vf->vf_id); |
| 547 | else |
| 548 | reg_idx = I40E_VFINT_DYN_CTLN(((msix_vf - 1) * |
| 549 | (vf->vf_id)) |
| 550 | + (i - 1)); |
| 551 | wr32(hw, reg_idx, I40E_VFINT_DYN_CTLN_CLEARPBA_MASK); |
| 552 | i40e_flush(hw); |
| 553 | } |
Mitch Williams | 805bd5b | 2013-11-28 06:39:26 +0000 | [diff] [blame] | 554 | |
Mitch Williams | fc18eaa | 2013-11-28 06:39:27 +0000 | [diff] [blame] | 555 | /* clear the irq settings */ |
| 556 | for (i = 0; i < msix_vf; i++) { |
| 557 | /* format is same for both registers */ |
| 558 | if (0 == i) |
| 559 | reg_idx = I40E_VPINT_LNKLST0(vf->vf_id); |
| 560 | else |
| 561 | reg_idx = I40E_VPINT_LNKLSTN(((msix_vf - 1) * |
| 562 | (vf->vf_id)) |
| 563 | + (i - 1)); |
| 564 | reg = (I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_MASK | |
| 565 | I40E_VPINT_LNKLSTN_FIRSTQ_INDX_MASK); |
| 566 | wr32(hw, reg_idx, reg); |
| 567 | i40e_flush(hw); |
| 568 | } |
Mitch Williams | 805bd5b | 2013-11-28 06:39:26 +0000 | [diff] [blame] | 569 | /* reset some of the state varibles keeping |
| 570 | * track of the resources |
| 571 | */ |
| 572 | vf->num_queue_pairs = 0; |
| 573 | vf->vf_states = 0; |
| 574 | } |
| 575 | |
| 576 | /** |
| 577 | * i40e_alloc_vf_res |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 578 | * @vf: pointer to the VF info |
Mitch Williams | 805bd5b | 2013-11-28 06:39:26 +0000 | [diff] [blame] | 579 | * |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 580 | * allocate VF resources |
Mitch Williams | 805bd5b | 2013-11-28 06:39:26 +0000 | [diff] [blame] | 581 | **/ |
| 582 | static int i40e_alloc_vf_res(struct i40e_vf *vf) |
| 583 | { |
| 584 | struct i40e_pf *pf = vf->pf; |
| 585 | int total_queue_pairs = 0; |
| 586 | int ret; |
| 587 | |
| 588 | /* allocate hw vsi context & associated resources */ |
| 589 | ret = i40e_alloc_vsi_res(vf, I40E_VSI_SRIOV); |
| 590 | if (ret) |
| 591 | goto error_alloc; |
Anjali Singhai Jain | fdf0e0b | 2015-03-31 00:45:05 -0700 | [diff] [blame^] | 592 | total_queue_pairs += pf->vsi[vf->lan_vsi_idx]->alloc_queue_pairs; |
Mitch Williams | 805bd5b | 2013-11-28 06:39:26 +0000 | [diff] [blame] | 593 | set_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps); |
| 594 | |
| 595 | /* store the total qps number for the runtime |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 596 | * VF req validation |
Mitch Williams | 805bd5b | 2013-11-28 06:39:26 +0000 | [diff] [blame] | 597 | */ |
| 598 | vf->num_queue_pairs = total_queue_pairs; |
| 599 | |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 600 | /* VF is now completely initialized */ |
Mitch Williams | 805bd5b | 2013-11-28 06:39:26 +0000 | [diff] [blame] | 601 | set_bit(I40E_VF_STAT_INIT, &vf->vf_states); |
| 602 | |
| 603 | error_alloc: |
| 604 | if (ret) |
| 605 | i40e_free_vf_res(vf); |
| 606 | |
| 607 | return ret; |
| 608 | } |
| 609 | |
Mitch Williams | fc18eaa | 2013-11-28 06:39:27 +0000 | [diff] [blame] | 610 | #define VF_DEVICE_STATUS 0xAA |
| 611 | #define VF_TRANS_PENDING_MASK 0x20 |
| 612 | /** |
| 613 | * i40e_quiesce_vf_pci |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 614 | * @vf: pointer to the VF structure |
Mitch Williams | fc18eaa | 2013-11-28 06:39:27 +0000 | [diff] [blame] | 615 | * |
| 616 | * Wait for VF PCI transactions to be cleared after reset. Returns -EIO |
| 617 | * if the transactions never clear. |
| 618 | **/ |
| 619 | static int i40e_quiesce_vf_pci(struct i40e_vf *vf) |
| 620 | { |
| 621 | struct i40e_pf *pf = vf->pf; |
| 622 | struct i40e_hw *hw = &pf->hw; |
| 623 | int vf_abs_id, i; |
| 624 | u32 reg; |
| 625 | |
Mitch Williams | b141d61 | 2013-11-28 06:39:36 +0000 | [diff] [blame] | 626 | vf_abs_id = vf->vf_id + hw->func_caps.vf_base_id; |
Mitch Williams | fc18eaa | 2013-11-28 06:39:27 +0000 | [diff] [blame] | 627 | |
| 628 | wr32(hw, I40E_PF_PCI_CIAA, |
| 629 | VF_DEVICE_STATUS | (vf_abs_id << I40E_PF_PCI_CIAA_VF_NUM_SHIFT)); |
| 630 | for (i = 0; i < 100; i++) { |
| 631 | reg = rd32(hw, I40E_PF_PCI_CIAD); |
| 632 | if ((reg & VF_TRANS_PENDING_MASK) == 0) |
| 633 | return 0; |
| 634 | udelay(1); |
| 635 | } |
| 636 | return -EIO; |
| 637 | } |
| 638 | |
Mitch Williams | 805bd5b | 2013-11-28 06:39:26 +0000 | [diff] [blame] | 639 | /** |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 640 | * i40e_reset_vf |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 641 | * @vf: pointer to the VF structure |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 642 | * @flr: VFLR was issued or not |
| 643 | * |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 644 | * reset the VF |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 645 | **/ |
Mitch Williams | fc18eaa | 2013-11-28 06:39:27 +0000 | [diff] [blame] | 646 | void i40e_reset_vf(struct i40e_vf *vf, bool flr) |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 647 | { |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 648 | struct i40e_pf *pf = vf->pf; |
| 649 | struct i40e_hw *hw = &pf->hw; |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 650 | bool rsd = false; |
Mitch Williams | fc18eaa | 2013-11-28 06:39:27 +0000 | [diff] [blame] | 651 | int i; |
| 652 | u32 reg; |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 653 | |
Mitch Williams | 3ba9bcb | 2015-01-09 11:18:15 +0000 | [diff] [blame] | 654 | if (test_and_set_bit(__I40E_VF_DISABLE, &pf->state)) |
| 655 | return; |
| 656 | |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 657 | /* warn the VF */ |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 658 | clear_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states); |
| 659 | |
Mitch Williams | fc18eaa | 2013-11-28 06:39:27 +0000 | [diff] [blame] | 660 | /* In the case of a VFLR, the HW has already reset the VF and we |
| 661 | * just need to clean up, so don't hit the VFRTRIG register. |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 662 | */ |
| 663 | if (!flr) { |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 664 | /* reset VF using VPGEN_VFRTRIG reg */ |
Mitch Williams | fc18eaa | 2013-11-28 06:39:27 +0000 | [diff] [blame] | 665 | reg = rd32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id)); |
| 666 | reg |= I40E_VPGEN_VFRTRIG_VFSWR_MASK; |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 667 | wr32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id), reg); |
| 668 | i40e_flush(hw); |
| 669 | } |
| 670 | |
Mitch Williams | fc18eaa | 2013-11-28 06:39:27 +0000 | [diff] [blame] | 671 | if (i40e_quiesce_vf_pci(vf)) |
| 672 | dev_err(&pf->pdev->dev, "VF %d PCI transactions stuck\n", |
| 673 | vf->vf_id); |
| 674 | |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 675 | /* poll VPGEN_VFRSTAT reg to make sure |
| 676 | * that reset is complete |
| 677 | */ |
Mitch Williams | 1750a22 | 2015-01-09 11:18:13 +0000 | [diff] [blame] | 678 | for (i = 0; i < 10; i++) { |
| 679 | /* VF reset requires driver to first reset the VF and then |
| 680 | * poll the status register to make sure that the reset |
| 681 | * completed successfully. Due to internal HW FIFO flushes, |
| 682 | * we must wait 10ms before the register will be valid. |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 683 | */ |
Mitch Williams | 1750a22 | 2015-01-09 11:18:13 +0000 | [diff] [blame] | 684 | usleep_range(10000, 20000); |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 685 | reg = rd32(hw, I40E_VPGEN_VFRSTAT(vf->vf_id)); |
| 686 | if (reg & I40E_VPGEN_VFRSTAT_VFRD_MASK) { |
| 687 | rsd = true; |
| 688 | break; |
| 689 | } |
| 690 | } |
| 691 | |
| 692 | if (!rsd) |
Mitch Williams | fc18eaa | 2013-11-28 06:39:27 +0000 | [diff] [blame] | 693 | dev_err(&pf->pdev->dev, "VF reset check timeout on VF %d\n", |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 694 | vf->vf_id); |
Mitch Williams | fc18eaa | 2013-11-28 06:39:27 +0000 | [diff] [blame] | 695 | wr32(hw, I40E_VFGEN_RSTAT1(vf->vf_id), I40E_VFR_COMPLETED); |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 696 | /* clear the reset bit in the VPGEN_VFRTRIG reg */ |
| 697 | reg = rd32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id)); |
| 698 | reg &= ~I40E_VPGEN_VFRTRIG_VFSWR_MASK; |
| 699 | wr32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id), reg); |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 700 | |
Mitch Williams | fc18eaa | 2013-11-28 06:39:27 +0000 | [diff] [blame] | 701 | /* On initial reset, we won't have any queues */ |
Anjali Singhai Jain | fdf0e0b | 2015-03-31 00:45:05 -0700 | [diff] [blame^] | 702 | if (vf->lan_vsi_idx == 0) |
Mitch Williams | fc18eaa | 2013-11-28 06:39:27 +0000 | [diff] [blame] | 703 | goto complete_reset; |
| 704 | |
Anjali Singhai Jain | fdf0e0b | 2015-03-31 00:45:05 -0700 | [diff] [blame^] | 705 | i40e_vsi_control_rings(pf->vsi[vf->lan_vsi_idx], false); |
Mitch Williams | fc18eaa | 2013-11-28 06:39:27 +0000 | [diff] [blame] | 706 | complete_reset: |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 707 | /* reallocate VF resources to reset the VSI state */ |
Mitch Williams | fc18eaa | 2013-11-28 06:39:27 +0000 | [diff] [blame] | 708 | i40e_free_vf_res(vf); |
Mitch Williams | fc18eaa | 2013-11-28 06:39:27 +0000 | [diff] [blame] | 709 | i40e_alloc_vf_res(vf); |
| 710 | i40e_enable_vf_mappings(vf); |
Mitch Williams | c17b362 | 2014-02-13 03:48:45 -0800 | [diff] [blame] | 711 | set_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states); |
Mitch Williams | fc18eaa | 2013-11-28 06:39:27 +0000 | [diff] [blame] | 712 | |
| 713 | /* tell the VF the reset is done */ |
| 714 | wr32(hw, I40E_VFGEN_RSTAT1(vf->vf_id), I40E_VFR_VFACTIVE); |
| 715 | i40e_flush(hw); |
Mitch Williams | 3ba9bcb | 2015-01-09 11:18:15 +0000 | [diff] [blame] | 716 | clear_bit(__I40E_VF_DISABLE, &pf->state); |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 717 | } |
Greg Rose | c354229 | 2013-12-13 08:38:38 +0000 | [diff] [blame] | 718 | |
| 719 | /** |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 720 | * i40e_free_vfs |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 721 | * @pf: pointer to the PF structure |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 722 | * |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 723 | * free VF resources |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 724 | **/ |
| 725 | void i40e_free_vfs(struct i40e_pf *pf) |
| 726 | { |
Mitch Williams | f741453 | 2013-11-28 06:39:40 +0000 | [diff] [blame] | 727 | struct i40e_hw *hw = &pf->hw; |
| 728 | u32 reg_idx, bit_idx; |
| 729 | int i, tmp, vf_id; |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 730 | |
| 731 | if (!pf->vf) |
| 732 | return; |
Mitch Williams | 3ba9bcb | 2015-01-09 11:18:15 +0000 | [diff] [blame] | 733 | while (test_and_set_bit(__I40E_VF_DISABLE, &pf->state)) |
| 734 | usleep_range(1000, 2000); |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 735 | |
Mitch A Williams | 6a9ddb3 | 2014-12-09 08:53:01 +0000 | [diff] [blame] | 736 | /* Disable IOV before freeing resources. This lets any VF drivers |
| 737 | * running in the host get themselves cleaned up before we yank |
| 738 | * the carpet out from underneath their feet. |
| 739 | */ |
| 740 | if (!pci_vfs_assigned(pf->pdev)) |
| 741 | pci_disable_sriov(pf->pdev); |
Mitch Williams | 6d7b967 | 2015-03-31 00:45:02 -0700 | [diff] [blame] | 742 | else |
| 743 | dev_warn(&pf->pdev->dev, "VFs are assigned - not disabling SR-IOV\n"); |
Mitch A Williams | 6a9ddb3 | 2014-12-09 08:53:01 +0000 | [diff] [blame] | 744 | |
| 745 | msleep(20); /* let any messages in transit get finished up */ |
| 746 | |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 747 | /* free up VF resources */ |
Mitch Williams | 6c1b5bf | 2013-11-28 06:39:30 +0000 | [diff] [blame] | 748 | tmp = pf->num_alloc_vfs; |
| 749 | pf->num_alloc_vfs = 0; |
| 750 | for (i = 0; i < tmp; i++) { |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 751 | if (test_bit(I40E_VF_STAT_INIT, &pf->vf[i].vf_states)) |
| 752 | i40e_free_vf_res(&pf->vf[i]); |
| 753 | /* disable qp mappings */ |
| 754 | i40e_disable_vf_mappings(&pf->vf[i]); |
| 755 | } |
| 756 | |
| 757 | kfree(pf->vf); |
| 758 | pf->vf = NULL; |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 759 | |
Mitch Williams | 9e5634d | 2014-04-04 04:43:14 +0000 | [diff] [blame] | 760 | /* This check is for when the driver is unloaded while VFs are |
| 761 | * assigned. Setting the number of VFs to 0 through sysfs is caught |
| 762 | * before this function ever gets called. |
| 763 | */ |
Ethan Zhao | c24817b | 2014-07-22 18:36:43 +0000 | [diff] [blame] | 764 | if (!pci_vfs_assigned(pf->pdev)) { |
Mitch Williams | f741453 | 2013-11-28 06:39:40 +0000 | [diff] [blame] | 765 | /* Acknowledge VFLR for all VFS. Without this, VFs will fail to |
| 766 | * work correctly when SR-IOV gets re-enabled. |
| 767 | */ |
| 768 | for (vf_id = 0; vf_id < tmp; vf_id++) { |
| 769 | reg_idx = (hw->func_caps.vf_base_id + vf_id) / 32; |
| 770 | bit_idx = (hw->func_caps.vf_base_id + vf_id) % 32; |
| 771 | wr32(hw, I40E_GLGEN_VFLRSTAT(reg_idx), (1 << bit_idx)); |
| 772 | } |
Greg Rose | c354229 | 2013-12-13 08:38:38 +0000 | [diff] [blame] | 773 | } |
Mitch Williams | 3ba9bcb | 2015-01-09 11:18:15 +0000 | [diff] [blame] | 774 | clear_bit(__I40E_VF_DISABLE, &pf->state); |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 775 | } |
| 776 | |
| 777 | #ifdef CONFIG_PCI_IOV |
| 778 | /** |
| 779 | * i40e_alloc_vfs |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 780 | * @pf: pointer to the PF structure |
| 781 | * @num_alloc_vfs: number of VFs to allocate |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 782 | * |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 783 | * allocate VF resources |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 784 | **/ |
Mitch Williams | 4aeec01 | 2014-02-13 03:48:47 -0800 | [diff] [blame] | 785 | int i40e_alloc_vfs(struct i40e_pf *pf, u16 num_alloc_vfs) |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 786 | { |
| 787 | struct i40e_vf *vfs; |
| 788 | int i, ret = 0; |
| 789 | |
Mitch Williams | 6c1b5bf | 2013-11-28 06:39:30 +0000 | [diff] [blame] | 790 | /* Disable interrupt 0 so we don't try to handle the VFLR. */ |
Mitch Williams | 2ef28cf | 2013-11-28 06:39:32 +0000 | [diff] [blame] | 791 | i40e_irq_dynamic_disable_icr0(pf); |
| 792 | |
Mitch Williams | 4aeec01 | 2014-02-13 03:48:47 -0800 | [diff] [blame] | 793 | /* Check to see if we're just allocating resources for extant VFs */ |
| 794 | if (pci_num_vf(pf->pdev) != num_alloc_vfs) { |
| 795 | ret = pci_enable_sriov(pf->pdev, num_alloc_vfs); |
| 796 | if (ret) { |
| 797 | dev_err(&pf->pdev->dev, |
| 798 | "Failed to enable SR-IOV, error %d.\n", ret); |
| 799 | pf->num_alloc_vfs = 0; |
| 800 | goto err_iov; |
| 801 | } |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 802 | } |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 803 | /* allocate memory */ |
Akeem G Abodunrin | cc6456a | 2014-02-06 05:51:02 +0000 | [diff] [blame] | 804 | vfs = kcalloc(num_alloc_vfs, sizeof(struct i40e_vf), GFP_KERNEL); |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 805 | if (!vfs) { |
| 806 | ret = -ENOMEM; |
| 807 | goto err_alloc; |
| 808 | } |
Mitch Williams | c674d12 | 2014-05-20 08:01:40 +0000 | [diff] [blame] | 809 | pf->vf = vfs; |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 810 | |
| 811 | /* apply default profile */ |
| 812 | for (i = 0; i < num_alloc_vfs; i++) { |
| 813 | vfs[i].pf = pf; |
| 814 | vfs[i].parent_type = I40E_SWITCH_ELEMENT_TYPE_VEB; |
| 815 | vfs[i].vf_id = i; |
| 816 | |
| 817 | /* assign default capabilities */ |
| 818 | set_bit(I40E_VIRTCHNL_VF_CAP_L2, &vfs[i].vf_caps); |
Mitch Williams | c674d12 | 2014-05-20 08:01:40 +0000 | [diff] [blame] | 819 | vfs[i].spoofchk = true; |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 820 | /* VF resources get allocated during reset */ |
Mitch Williams | fc18eaa | 2013-11-28 06:39:27 +0000 | [diff] [blame] | 821 | i40e_reset_vf(&vfs[i], false); |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 822 | |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 823 | /* enable VF vplan_qtable mappings */ |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 824 | i40e_enable_vf_mappings(&vfs[i]); |
| 825 | } |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 826 | pf->num_alloc_vfs = num_alloc_vfs; |
| 827 | |
| 828 | err_alloc: |
| 829 | if (ret) |
| 830 | i40e_free_vfs(pf); |
| 831 | err_iov: |
Mitch Williams | 6c1b5bf | 2013-11-28 06:39:30 +0000 | [diff] [blame] | 832 | /* Re-enable interrupt 0. */ |
Mitch Williams | 2ef28cf | 2013-11-28 06:39:32 +0000 | [diff] [blame] | 833 | i40e_irq_dynamic_enable_icr0(pf); |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 834 | return ret; |
| 835 | } |
| 836 | |
| 837 | #endif |
| 838 | /** |
| 839 | * i40e_pci_sriov_enable |
| 840 | * @pdev: pointer to a pci_dev structure |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 841 | * @num_vfs: number of VFs to allocate |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 842 | * |
| 843 | * Enable or change the number of VFs |
| 844 | **/ |
| 845 | static int i40e_pci_sriov_enable(struct pci_dev *pdev, int num_vfs) |
| 846 | { |
| 847 | #ifdef CONFIG_PCI_IOV |
| 848 | struct i40e_pf *pf = pci_get_drvdata(pdev); |
| 849 | int pre_existing_vfs = pci_num_vf(pdev); |
| 850 | int err = 0; |
| 851 | |
| 852 | dev_info(&pdev->dev, "Allocating %d VFs.\n", num_vfs); |
| 853 | if (pre_existing_vfs && pre_existing_vfs != num_vfs) |
| 854 | i40e_free_vfs(pf); |
| 855 | else if (pre_existing_vfs && pre_existing_vfs == num_vfs) |
| 856 | goto out; |
| 857 | |
| 858 | if (num_vfs > pf->num_req_vfs) { |
| 859 | err = -EPERM; |
| 860 | goto err_out; |
| 861 | } |
| 862 | |
| 863 | err = i40e_alloc_vfs(pf, num_vfs); |
| 864 | if (err) { |
| 865 | dev_warn(&pdev->dev, "Failed to enable SR-IOV: %d\n", err); |
| 866 | goto err_out; |
| 867 | } |
| 868 | |
| 869 | out: |
| 870 | return num_vfs; |
| 871 | |
| 872 | err_out: |
| 873 | return err; |
| 874 | #endif |
| 875 | return 0; |
| 876 | } |
| 877 | |
| 878 | /** |
| 879 | * i40e_pci_sriov_configure |
| 880 | * @pdev: pointer to a pci_dev structure |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 881 | * @num_vfs: number of VFs to allocate |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 882 | * |
| 883 | * Enable or change the number of VFs. Called when the user updates the number |
| 884 | * of VFs in sysfs. |
| 885 | **/ |
| 886 | int i40e_pci_sriov_configure(struct pci_dev *pdev, int num_vfs) |
| 887 | { |
| 888 | struct i40e_pf *pf = pci_get_drvdata(pdev); |
| 889 | |
| 890 | if (num_vfs) |
| 891 | return i40e_pci_sriov_enable(pdev, num_vfs); |
| 892 | |
Ethan Zhao | c24817b | 2014-07-22 18:36:43 +0000 | [diff] [blame] | 893 | if (!pci_vfs_assigned(pf->pdev)) { |
Mitch Williams | 9e5634d | 2014-04-04 04:43:14 +0000 | [diff] [blame] | 894 | i40e_free_vfs(pf); |
| 895 | } else { |
| 896 | dev_warn(&pdev->dev, "Unable to free VFs because some are assigned to VMs.\n"); |
| 897 | return -EINVAL; |
| 898 | } |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 899 | return 0; |
| 900 | } |
| 901 | |
| 902 | /***********************virtual channel routines******************/ |
| 903 | |
| 904 | /** |
| 905 | * i40e_vc_send_msg_to_vf |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 906 | * @vf: pointer to the VF info |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 907 | * @v_opcode: virtual channel opcode |
| 908 | * @v_retval: virtual channel return value |
| 909 | * @msg: pointer to the msg buffer |
| 910 | * @msglen: msg length |
| 911 | * |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 912 | * send msg to VF |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 913 | **/ |
| 914 | static int i40e_vc_send_msg_to_vf(struct i40e_vf *vf, u32 v_opcode, |
| 915 | u32 v_retval, u8 *msg, u16 msglen) |
| 916 | { |
Anjali Singhai Jain | 6e7b5bd | 2014-07-10 07:58:21 +0000 | [diff] [blame] | 917 | struct i40e_pf *pf; |
| 918 | struct i40e_hw *hw; |
| 919 | int abs_vf_id; |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 920 | i40e_status aq_ret; |
| 921 | |
Anjali Singhai Jain | 6e7b5bd | 2014-07-10 07:58:21 +0000 | [diff] [blame] | 922 | /* validate the request */ |
| 923 | if (!vf || vf->vf_id >= vf->pf->num_alloc_vfs) |
| 924 | return -EINVAL; |
| 925 | |
| 926 | pf = vf->pf; |
| 927 | hw = &pf->hw; |
| 928 | abs_vf_id = vf->vf_id + hw->func_caps.vf_base_id; |
| 929 | |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 930 | /* single place to detect unsuccessful return values */ |
| 931 | if (v_retval) { |
| 932 | vf->num_invalid_msgs++; |
| 933 | dev_err(&pf->pdev->dev, "Failed opcode %d Error: %d\n", |
| 934 | v_opcode, v_retval); |
| 935 | if (vf->num_invalid_msgs > |
| 936 | I40E_DEFAULT_NUM_INVALID_MSGS_ALLOWED) { |
| 937 | dev_err(&pf->pdev->dev, |
| 938 | "Number of invalid messages exceeded for VF %d\n", |
| 939 | vf->vf_id); |
| 940 | dev_err(&pf->pdev->dev, "Use PF Control I/F to enable the VF\n"); |
| 941 | set_bit(I40E_VF_STAT_DISABLED, &vf->vf_states); |
| 942 | } |
| 943 | } else { |
| 944 | vf->num_valid_msgs++; |
| 945 | } |
| 946 | |
Ashish Shah | f19efbb | 2014-08-01 13:27:06 -0700 | [diff] [blame] | 947 | aq_ret = i40e_aq_send_msg_to_vf(hw, abs_vf_id, v_opcode, v_retval, |
Mitch Williams | 7efa84b | 2013-11-28 06:39:41 +0000 | [diff] [blame] | 948 | msg, msglen, NULL); |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 949 | if (aq_ret) { |
| 950 | dev_err(&pf->pdev->dev, |
| 951 | "Unable to send the message to VF %d aq_err %d\n", |
| 952 | vf->vf_id, pf->hw.aq.asq_last_status); |
| 953 | return -EIO; |
| 954 | } |
| 955 | |
| 956 | return 0; |
| 957 | } |
| 958 | |
| 959 | /** |
| 960 | * i40e_vc_send_resp_to_vf |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 961 | * @vf: pointer to the VF info |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 962 | * @opcode: operation code |
| 963 | * @retval: return value |
| 964 | * |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 965 | * send resp msg to VF |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 966 | **/ |
| 967 | static int i40e_vc_send_resp_to_vf(struct i40e_vf *vf, |
| 968 | enum i40e_virtchnl_ops opcode, |
| 969 | i40e_status retval) |
| 970 | { |
| 971 | return i40e_vc_send_msg_to_vf(vf, opcode, retval, NULL, 0); |
| 972 | } |
| 973 | |
| 974 | /** |
| 975 | * i40e_vc_get_version_msg |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 976 | * @vf: pointer to the VF info |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 977 | * |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 978 | * called from the VF to request the API version used by the PF |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 979 | **/ |
| 980 | static int i40e_vc_get_version_msg(struct i40e_vf *vf) |
| 981 | { |
| 982 | struct i40e_virtchnl_version_info info = { |
| 983 | I40E_VIRTCHNL_VERSION_MAJOR, I40E_VIRTCHNL_VERSION_MINOR |
| 984 | }; |
| 985 | |
| 986 | return i40e_vc_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_VERSION, |
| 987 | I40E_SUCCESS, (u8 *)&info, |
| 988 | sizeof(struct |
| 989 | i40e_virtchnl_version_info)); |
| 990 | } |
| 991 | |
| 992 | /** |
| 993 | * i40e_vc_get_vf_resources_msg |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 994 | * @vf: pointer to the VF info |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 995 | * @msg: pointer to the msg buffer |
| 996 | * @msglen: msg length |
| 997 | * |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 998 | * called from the VF to request its resources |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 999 | **/ |
| 1000 | static int i40e_vc_get_vf_resources_msg(struct i40e_vf *vf) |
| 1001 | { |
| 1002 | struct i40e_virtchnl_vf_resource *vfres = NULL; |
| 1003 | struct i40e_pf *pf = vf->pf; |
| 1004 | i40e_status aq_ret = 0; |
| 1005 | struct i40e_vsi *vsi; |
| 1006 | int i = 0, len = 0; |
| 1007 | int num_vsis = 1; |
| 1008 | int ret; |
| 1009 | |
| 1010 | if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) { |
| 1011 | aq_ret = I40E_ERR_PARAM; |
| 1012 | goto err; |
| 1013 | } |
| 1014 | |
| 1015 | len = (sizeof(struct i40e_virtchnl_vf_resource) + |
| 1016 | sizeof(struct i40e_virtchnl_vsi_resource) * num_vsis); |
| 1017 | |
| 1018 | vfres = kzalloc(len, GFP_KERNEL); |
| 1019 | if (!vfres) { |
| 1020 | aq_ret = I40E_ERR_NO_MEMORY; |
| 1021 | len = 0; |
| 1022 | goto err; |
| 1023 | } |
| 1024 | |
| 1025 | vfres->vf_offload_flags = I40E_VIRTCHNL_VF_OFFLOAD_L2; |
Anjali Singhai Jain | fdf0e0b | 2015-03-31 00:45:05 -0700 | [diff] [blame^] | 1026 | vsi = pf->vsi[vf->lan_vsi_idx]; |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1027 | if (!vsi->info.pvid) |
| 1028 | vfres->vf_offload_flags |= I40E_VIRTCHNL_VF_OFFLOAD_VLAN; |
| 1029 | |
| 1030 | vfres->num_vsis = num_vsis; |
| 1031 | vfres->num_queue_pairs = vf->num_queue_pairs; |
| 1032 | vfres->max_vectors = pf->hw.func_caps.num_msix_vectors_vf; |
Anjali Singhai Jain | fdf0e0b | 2015-03-31 00:45:05 -0700 | [diff] [blame^] | 1033 | if (vf->lan_vsi_idx) { |
| 1034 | vfres->vsi_res[i].vsi_id = vf->lan_vsi_id; |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1035 | vfres->vsi_res[i].vsi_type = I40E_VSI_SRIOV; |
| 1036 | vfres->vsi_res[i].num_queue_pairs = |
Anjali Singhai Jain | fdf0e0b | 2015-03-31 00:45:05 -0700 | [diff] [blame^] | 1037 | pf->vsi[vf->lan_vsi_idx]->alloc_queue_pairs; |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1038 | memcpy(vfres->vsi_res[i].default_mac_addr, |
| 1039 | vf->default_lan_addr.addr, ETH_ALEN); |
| 1040 | i++; |
| 1041 | } |
| 1042 | set_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states); |
| 1043 | |
| 1044 | err: |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 1045 | /* send the response back to the VF */ |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1046 | ret = i40e_vc_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_GET_VF_RESOURCES, |
| 1047 | aq_ret, (u8 *)vfres, len); |
| 1048 | |
| 1049 | kfree(vfres); |
| 1050 | return ret; |
| 1051 | } |
| 1052 | |
| 1053 | /** |
| 1054 | * i40e_vc_reset_vf_msg |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 1055 | * @vf: pointer to the VF info |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1056 | * @msg: pointer to the msg buffer |
| 1057 | * @msglen: msg length |
| 1058 | * |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 1059 | * called from the VF to reset itself, |
| 1060 | * unlike other virtchnl messages, PF driver |
| 1061 | * doesn't send the response back to the VF |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1062 | **/ |
Mitch Williams | fc18eaa | 2013-11-28 06:39:27 +0000 | [diff] [blame] | 1063 | static void i40e_vc_reset_vf_msg(struct i40e_vf *vf) |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1064 | { |
Mitch Williams | fc18eaa | 2013-11-28 06:39:27 +0000 | [diff] [blame] | 1065 | if (test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) |
| 1066 | i40e_reset_vf(vf, false); |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1067 | } |
| 1068 | |
| 1069 | /** |
| 1070 | * i40e_vc_config_promiscuous_mode_msg |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 1071 | * @vf: pointer to the VF info |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1072 | * @msg: pointer to the msg buffer |
| 1073 | * @msglen: msg length |
| 1074 | * |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 1075 | * called from the VF to configure the promiscuous mode of |
| 1076 | * VF vsis |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1077 | **/ |
| 1078 | static int i40e_vc_config_promiscuous_mode_msg(struct i40e_vf *vf, |
| 1079 | u8 *msg, u16 msglen) |
| 1080 | { |
| 1081 | struct i40e_virtchnl_promisc_info *info = |
| 1082 | (struct i40e_virtchnl_promisc_info *)msg; |
| 1083 | struct i40e_pf *pf = vf->pf; |
| 1084 | struct i40e_hw *hw = &pf->hw; |
Ashish Shah | 89cb86c | 2014-08-01 13:27:10 -0700 | [diff] [blame] | 1085 | struct i40e_vsi *vsi; |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1086 | bool allmulti = false; |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1087 | i40e_status aq_ret; |
| 1088 | |
Anjali Singhai Jain | fdf0e0b | 2015-03-31 00:45:05 -0700 | [diff] [blame^] | 1089 | vsi = i40e_find_vsi_from_id(pf, info->vsi_id); |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1090 | if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) || |
| 1091 | !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) || |
| 1092 | !i40e_vc_isvalid_vsi_id(vf, info->vsi_id) || |
Anjali Singhai Jain | fdf0e0b | 2015-03-31 00:45:05 -0700 | [diff] [blame^] | 1093 | (vsi->type != I40E_VSI_FCOE)) { |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1094 | aq_ret = I40E_ERR_PARAM; |
| 1095 | goto error_param; |
| 1096 | } |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1097 | if (info->flags & I40E_FLAG_VF_MULTICAST_PROMISC) |
| 1098 | allmulti = true; |
Ashish Shah | 89cb86c | 2014-08-01 13:27:10 -0700 | [diff] [blame] | 1099 | aq_ret = i40e_aq_set_vsi_multicast_promiscuous(hw, vsi->seid, |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1100 | allmulti, NULL); |
| 1101 | |
| 1102 | error_param: |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 1103 | /* send the response to the VF */ |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1104 | return i40e_vc_send_resp_to_vf(vf, |
| 1105 | I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE, |
| 1106 | aq_ret); |
| 1107 | } |
| 1108 | |
| 1109 | /** |
| 1110 | * i40e_vc_config_queues_msg |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 1111 | * @vf: pointer to the VF info |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1112 | * @msg: pointer to the msg buffer |
| 1113 | * @msglen: msg length |
| 1114 | * |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 1115 | * called from the VF to configure the rx/tx |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1116 | * queues |
| 1117 | **/ |
| 1118 | static int i40e_vc_config_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen) |
| 1119 | { |
| 1120 | struct i40e_virtchnl_vsi_queue_config_info *qci = |
| 1121 | (struct i40e_virtchnl_vsi_queue_config_info *)msg; |
| 1122 | struct i40e_virtchnl_queue_pair_info *qpi; |
Ashish Shah | 5f5e33b | 2014-07-10 07:58:15 +0000 | [diff] [blame] | 1123 | struct i40e_pf *pf = vf->pf; |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1124 | u16 vsi_id, vsi_queue_id; |
| 1125 | i40e_status aq_ret = 0; |
| 1126 | int i; |
| 1127 | |
| 1128 | if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) { |
| 1129 | aq_ret = I40E_ERR_PARAM; |
| 1130 | goto error_param; |
| 1131 | } |
| 1132 | |
| 1133 | vsi_id = qci->vsi_id; |
| 1134 | if (!i40e_vc_isvalid_vsi_id(vf, vsi_id)) { |
| 1135 | aq_ret = I40E_ERR_PARAM; |
| 1136 | goto error_param; |
| 1137 | } |
| 1138 | for (i = 0; i < qci->num_queue_pairs; i++) { |
| 1139 | qpi = &qci->qpair[i]; |
| 1140 | vsi_queue_id = qpi->txq.queue_id; |
| 1141 | if ((qpi->txq.vsi_id != vsi_id) || |
| 1142 | (qpi->rxq.vsi_id != vsi_id) || |
| 1143 | (qpi->rxq.queue_id != vsi_queue_id) || |
| 1144 | !i40e_vc_isvalid_queue_id(vf, vsi_id, vsi_queue_id)) { |
| 1145 | aq_ret = I40E_ERR_PARAM; |
| 1146 | goto error_param; |
| 1147 | } |
| 1148 | |
| 1149 | if (i40e_config_vsi_rx_queue(vf, vsi_id, vsi_queue_id, |
| 1150 | &qpi->rxq) || |
| 1151 | i40e_config_vsi_tx_queue(vf, vsi_id, vsi_queue_id, |
| 1152 | &qpi->txq)) { |
| 1153 | aq_ret = I40E_ERR_PARAM; |
| 1154 | goto error_param; |
| 1155 | } |
| 1156 | } |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 1157 | /* set vsi num_queue_pairs in use to num configured by VF */ |
Anjali Singhai Jain | fdf0e0b | 2015-03-31 00:45:05 -0700 | [diff] [blame^] | 1158 | pf->vsi[vf->lan_vsi_idx]->num_queue_pairs = qci->num_queue_pairs; |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1159 | |
| 1160 | error_param: |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 1161 | /* send the response to the VF */ |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1162 | return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES, |
| 1163 | aq_ret); |
| 1164 | } |
| 1165 | |
| 1166 | /** |
| 1167 | * i40e_vc_config_irq_map_msg |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 1168 | * @vf: pointer to the VF info |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1169 | * @msg: pointer to the msg buffer |
| 1170 | * @msglen: msg length |
| 1171 | * |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 1172 | * called from the VF to configure the irq to |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1173 | * queue map |
| 1174 | **/ |
| 1175 | static int i40e_vc_config_irq_map_msg(struct i40e_vf *vf, u8 *msg, u16 msglen) |
| 1176 | { |
| 1177 | struct i40e_virtchnl_irq_map_info *irqmap_info = |
| 1178 | (struct i40e_virtchnl_irq_map_info *)msg; |
| 1179 | struct i40e_virtchnl_vector_map *map; |
| 1180 | u16 vsi_id, vsi_queue_id, vector_id; |
| 1181 | i40e_status aq_ret = 0; |
| 1182 | unsigned long tempmap; |
| 1183 | int i; |
| 1184 | |
| 1185 | if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) { |
| 1186 | aq_ret = I40E_ERR_PARAM; |
| 1187 | goto error_param; |
| 1188 | } |
| 1189 | |
| 1190 | for (i = 0; i < irqmap_info->num_vectors; i++) { |
| 1191 | map = &irqmap_info->vecmap[i]; |
| 1192 | |
| 1193 | vector_id = map->vector_id; |
| 1194 | vsi_id = map->vsi_id; |
| 1195 | /* validate msg params */ |
| 1196 | if (!i40e_vc_isvalid_vector_id(vf, vector_id) || |
| 1197 | !i40e_vc_isvalid_vsi_id(vf, vsi_id)) { |
| 1198 | aq_ret = I40E_ERR_PARAM; |
| 1199 | goto error_param; |
| 1200 | } |
| 1201 | |
| 1202 | /* lookout for the invalid queue index */ |
| 1203 | tempmap = map->rxq_map; |
Wei Yongjun | 4836650 | 2013-09-24 05:17:36 +0000 | [diff] [blame] | 1204 | for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) { |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1205 | if (!i40e_vc_isvalid_queue_id(vf, vsi_id, |
| 1206 | vsi_queue_id)) { |
| 1207 | aq_ret = I40E_ERR_PARAM; |
| 1208 | goto error_param; |
| 1209 | } |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1210 | } |
| 1211 | |
| 1212 | tempmap = map->txq_map; |
Wei Yongjun | 4836650 | 2013-09-24 05:17:36 +0000 | [diff] [blame] | 1213 | for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) { |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1214 | if (!i40e_vc_isvalid_queue_id(vf, vsi_id, |
| 1215 | vsi_queue_id)) { |
| 1216 | aq_ret = I40E_ERR_PARAM; |
| 1217 | goto error_param; |
| 1218 | } |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1219 | } |
| 1220 | |
| 1221 | i40e_config_irq_link_list(vf, vsi_id, map); |
| 1222 | } |
| 1223 | error_param: |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 1224 | /* send the response to the VF */ |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1225 | return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP, |
| 1226 | aq_ret); |
| 1227 | } |
| 1228 | |
| 1229 | /** |
| 1230 | * i40e_vc_enable_queues_msg |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 1231 | * @vf: pointer to the VF info |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1232 | * @msg: pointer to the msg buffer |
| 1233 | * @msglen: msg length |
| 1234 | * |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 1235 | * called from the VF to enable all or specific queue(s) |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1236 | **/ |
| 1237 | static int i40e_vc_enable_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen) |
| 1238 | { |
| 1239 | struct i40e_virtchnl_queue_select *vqs = |
| 1240 | (struct i40e_virtchnl_queue_select *)msg; |
| 1241 | struct i40e_pf *pf = vf->pf; |
| 1242 | u16 vsi_id = vqs->vsi_id; |
| 1243 | i40e_status aq_ret = 0; |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1244 | |
| 1245 | if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) { |
| 1246 | aq_ret = I40E_ERR_PARAM; |
| 1247 | goto error_param; |
| 1248 | } |
| 1249 | |
| 1250 | if (!i40e_vc_isvalid_vsi_id(vf, vsi_id)) { |
| 1251 | aq_ret = I40E_ERR_PARAM; |
| 1252 | goto error_param; |
| 1253 | } |
| 1254 | |
| 1255 | if ((0 == vqs->rx_queues) && (0 == vqs->tx_queues)) { |
| 1256 | aq_ret = I40E_ERR_PARAM; |
| 1257 | goto error_param; |
| 1258 | } |
Anjali Singhai Jain | fdf0e0b | 2015-03-31 00:45:05 -0700 | [diff] [blame^] | 1259 | |
| 1260 | if (i40e_vsi_control_rings(pf->vsi[vf->lan_vsi_idx], true)) |
Mitch Williams | 88f6563 | 2013-11-28 06:39:28 +0000 | [diff] [blame] | 1261 | aq_ret = I40E_ERR_TIMEOUT; |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1262 | error_param: |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 1263 | /* send the response to the VF */ |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1264 | return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_ENABLE_QUEUES, |
| 1265 | aq_ret); |
| 1266 | } |
| 1267 | |
| 1268 | /** |
| 1269 | * i40e_vc_disable_queues_msg |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 1270 | * @vf: pointer to the VF info |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1271 | * @msg: pointer to the msg buffer |
| 1272 | * @msglen: msg length |
| 1273 | * |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 1274 | * called from the VF to disable all or specific |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1275 | * queue(s) |
| 1276 | **/ |
| 1277 | static int i40e_vc_disable_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen) |
| 1278 | { |
| 1279 | struct i40e_virtchnl_queue_select *vqs = |
| 1280 | (struct i40e_virtchnl_queue_select *)msg; |
| 1281 | struct i40e_pf *pf = vf->pf; |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1282 | i40e_status aq_ret = 0; |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1283 | |
| 1284 | if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) { |
| 1285 | aq_ret = I40E_ERR_PARAM; |
| 1286 | goto error_param; |
| 1287 | } |
| 1288 | |
| 1289 | if (!i40e_vc_isvalid_vsi_id(vf, vqs->vsi_id)) { |
| 1290 | aq_ret = I40E_ERR_PARAM; |
| 1291 | goto error_param; |
| 1292 | } |
| 1293 | |
| 1294 | if ((0 == vqs->rx_queues) && (0 == vqs->tx_queues)) { |
| 1295 | aq_ret = I40E_ERR_PARAM; |
| 1296 | goto error_param; |
| 1297 | } |
Anjali Singhai Jain | fdf0e0b | 2015-03-31 00:45:05 -0700 | [diff] [blame^] | 1298 | |
| 1299 | if (i40e_vsi_control_rings(pf->vsi[vf->lan_vsi_idx], false)) |
Mitch Williams | 88f6563 | 2013-11-28 06:39:28 +0000 | [diff] [blame] | 1300 | aq_ret = I40E_ERR_TIMEOUT; |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1301 | |
| 1302 | error_param: |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 1303 | /* send the response to the VF */ |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1304 | return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_DISABLE_QUEUES, |
| 1305 | aq_ret); |
| 1306 | } |
| 1307 | |
| 1308 | /** |
| 1309 | * i40e_vc_get_stats_msg |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 1310 | * @vf: pointer to the VF info |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1311 | * @msg: pointer to the msg buffer |
| 1312 | * @msglen: msg length |
| 1313 | * |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 1314 | * called from the VF to get vsi stats |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1315 | **/ |
| 1316 | static int i40e_vc_get_stats_msg(struct i40e_vf *vf, u8 *msg, u16 msglen) |
| 1317 | { |
| 1318 | struct i40e_virtchnl_queue_select *vqs = |
| 1319 | (struct i40e_virtchnl_queue_select *)msg; |
| 1320 | struct i40e_pf *pf = vf->pf; |
| 1321 | struct i40e_eth_stats stats; |
| 1322 | i40e_status aq_ret = 0; |
| 1323 | struct i40e_vsi *vsi; |
| 1324 | |
| 1325 | memset(&stats, 0, sizeof(struct i40e_eth_stats)); |
| 1326 | |
| 1327 | if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) { |
| 1328 | aq_ret = I40E_ERR_PARAM; |
| 1329 | goto error_param; |
| 1330 | } |
| 1331 | |
| 1332 | if (!i40e_vc_isvalid_vsi_id(vf, vqs->vsi_id)) { |
| 1333 | aq_ret = I40E_ERR_PARAM; |
| 1334 | goto error_param; |
| 1335 | } |
| 1336 | |
Anjali Singhai Jain | fdf0e0b | 2015-03-31 00:45:05 -0700 | [diff] [blame^] | 1337 | vsi = pf->vsi[vf->lan_vsi_idx]; |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1338 | if (!vsi) { |
| 1339 | aq_ret = I40E_ERR_PARAM; |
| 1340 | goto error_param; |
| 1341 | } |
| 1342 | i40e_update_eth_stats(vsi); |
Mitch Williams | 5a9769c | 2013-11-28 06:39:38 +0000 | [diff] [blame] | 1343 | stats = vsi->eth_stats; |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1344 | |
| 1345 | error_param: |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 1346 | /* send the response back to the VF */ |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1347 | return i40e_vc_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_GET_STATS, aq_ret, |
| 1348 | (u8 *)&stats, sizeof(stats)); |
| 1349 | } |
| 1350 | |
| 1351 | /** |
Greg Rose | f657a6e | 2013-11-28 06:39:42 +0000 | [diff] [blame] | 1352 | * i40e_check_vf_permission |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 1353 | * @vf: pointer to the VF info |
Greg Rose | f657a6e | 2013-11-28 06:39:42 +0000 | [diff] [blame] | 1354 | * @macaddr: pointer to the MAC Address being checked |
| 1355 | * |
| 1356 | * Check if the VF has permission to add or delete unicast MAC address |
| 1357 | * filters and return error code -EPERM if not. Then check if the |
| 1358 | * address filter requested is broadcast or zero and if so return |
| 1359 | * an invalid MAC address error code. |
| 1360 | **/ |
| 1361 | static inline int i40e_check_vf_permission(struct i40e_vf *vf, u8 *macaddr) |
| 1362 | { |
| 1363 | struct i40e_pf *pf = vf->pf; |
| 1364 | int ret = 0; |
| 1365 | |
| 1366 | if (is_broadcast_ether_addr(macaddr) || |
| 1367 | is_zero_ether_addr(macaddr)) { |
| 1368 | dev_err(&pf->pdev->dev, "invalid VF MAC addr %pM\n", macaddr); |
| 1369 | ret = I40E_ERR_INVALID_MAC_ADDR; |
Greg Rose | 5017c2a | 2013-12-07 10:36:54 +0000 | [diff] [blame] | 1370 | } else if (vf->pf_set_mac && !is_multicast_ether_addr(macaddr) && |
| 1371 | !ether_addr_equal(macaddr, vf->default_lan_addr.addr)) { |
Greg Rose | f657a6e | 2013-11-28 06:39:42 +0000 | [diff] [blame] | 1372 | /* If the host VMM administrator has set the VF MAC address |
| 1373 | * administratively via the ndo_set_vf_mac command then deny |
| 1374 | * permission to the VF to add or delete unicast MAC addresses. |
Greg Rose | 5017c2a | 2013-12-07 10:36:54 +0000 | [diff] [blame] | 1375 | * The VF may request to set the MAC address filter already |
| 1376 | * assigned to it so do not return an error in that case. |
Greg Rose | f657a6e | 2013-11-28 06:39:42 +0000 | [diff] [blame] | 1377 | */ |
| 1378 | dev_err(&pf->pdev->dev, |
| 1379 | "VF attempting to override administratively set MAC address\nPlease reload the VF driver to resume normal operation\n"); |
| 1380 | ret = -EPERM; |
| 1381 | } |
| 1382 | return ret; |
| 1383 | } |
| 1384 | |
| 1385 | /** |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1386 | * i40e_vc_add_mac_addr_msg |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 1387 | * @vf: pointer to the VF info |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1388 | * @msg: pointer to the msg buffer |
| 1389 | * @msglen: msg length |
| 1390 | * |
| 1391 | * add guest mac address filter |
| 1392 | **/ |
| 1393 | static int i40e_vc_add_mac_addr_msg(struct i40e_vf *vf, u8 *msg, u16 msglen) |
| 1394 | { |
| 1395 | struct i40e_virtchnl_ether_addr_list *al = |
| 1396 | (struct i40e_virtchnl_ether_addr_list *)msg; |
| 1397 | struct i40e_pf *pf = vf->pf; |
| 1398 | struct i40e_vsi *vsi = NULL; |
| 1399 | u16 vsi_id = al->vsi_id; |
Greg Rose | f657a6e | 2013-11-28 06:39:42 +0000 | [diff] [blame] | 1400 | i40e_status ret = 0; |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1401 | int i; |
| 1402 | |
| 1403 | if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) || |
| 1404 | !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) || |
| 1405 | !i40e_vc_isvalid_vsi_id(vf, vsi_id)) { |
Greg Rose | f657a6e | 2013-11-28 06:39:42 +0000 | [diff] [blame] | 1406 | ret = I40E_ERR_PARAM; |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1407 | goto error_param; |
| 1408 | } |
| 1409 | |
| 1410 | for (i = 0; i < al->num_elements; i++) { |
Greg Rose | f657a6e | 2013-11-28 06:39:42 +0000 | [diff] [blame] | 1411 | ret = i40e_check_vf_permission(vf, al->list[i].addr); |
| 1412 | if (ret) |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1413 | goto error_param; |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1414 | } |
Anjali Singhai Jain | fdf0e0b | 2015-03-31 00:45:05 -0700 | [diff] [blame^] | 1415 | vsi = pf->vsi[vf->lan_vsi_idx]; |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1416 | |
| 1417 | /* add new addresses to the list */ |
| 1418 | for (i = 0; i < al->num_elements; i++) { |
| 1419 | struct i40e_mac_filter *f; |
| 1420 | |
| 1421 | f = i40e_find_mac(vsi, al->list[i].addr, true, false); |
Mitch Williams | 7e68edf9 | 2013-11-16 10:00:41 +0000 | [diff] [blame] | 1422 | if (!f) { |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1423 | if (i40e_is_vsi_in_vlan(vsi)) |
| 1424 | f = i40e_put_mac_in_vlan(vsi, al->list[i].addr, |
| 1425 | true, false); |
| 1426 | else |
| 1427 | f = i40e_add_filter(vsi, al->list[i].addr, -1, |
| 1428 | true, false); |
| 1429 | } |
| 1430 | |
| 1431 | if (!f) { |
| 1432 | dev_err(&pf->pdev->dev, |
| 1433 | "Unable to add VF MAC filter\n"); |
Greg Rose | f657a6e | 2013-11-28 06:39:42 +0000 | [diff] [blame] | 1434 | ret = I40E_ERR_PARAM; |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1435 | goto error_param; |
| 1436 | } |
| 1437 | } |
| 1438 | |
| 1439 | /* program the updated filter list */ |
| 1440 | if (i40e_sync_vsi_filters(vsi)) |
| 1441 | dev_err(&pf->pdev->dev, "Unable to program VF MAC filters\n"); |
| 1442 | |
| 1443 | error_param: |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 1444 | /* send the response to the VF */ |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1445 | return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS, |
Greg Rose | f657a6e | 2013-11-28 06:39:42 +0000 | [diff] [blame] | 1446 | ret); |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1447 | } |
| 1448 | |
| 1449 | /** |
| 1450 | * i40e_vc_del_mac_addr_msg |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 1451 | * @vf: pointer to the VF info |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1452 | * @msg: pointer to the msg buffer |
| 1453 | * @msglen: msg length |
| 1454 | * |
| 1455 | * remove guest mac address filter |
| 1456 | **/ |
| 1457 | static int i40e_vc_del_mac_addr_msg(struct i40e_vf *vf, u8 *msg, u16 msglen) |
| 1458 | { |
| 1459 | struct i40e_virtchnl_ether_addr_list *al = |
| 1460 | (struct i40e_virtchnl_ether_addr_list *)msg; |
| 1461 | struct i40e_pf *pf = vf->pf; |
| 1462 | struct i40e_vsi *vsi = NULL; |
| 1463 | u16 vsi_id = al->vsi_id; |
Greg Rose | f657a6e | 2013-11-28 06:39:42 +0000 | [diff] [blame] | 1464 | i40e_status ret = 0; |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1465 | int i; |
| 1466 | |
| 1467 | if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) || |
| 1468 | !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) || |
| 1469 | !i40e_vc_isvalid_vsi_id(vf, vsi_id)) { |
Greg Rose | f657a6e | 2013-11-28 06:39:42 +0000 | [diff] [blame] | 1470 | ret = I40E_ERR_PARAM; |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1471 | goto error_param; |
| 1472 | } |
Greg Rose | f657a6e | 2013-11-28 06:39:42 +0000 | [diff] [blame] | 1473 | |
| 1474 | for (i = 0; i < al->num_elements; i++) { |
Mitch Williams | 700bbf6 | 2013-12-21 05:44:45 +0000 | [diff] [blame] | 1475 | if (is_broadcast_ether_addr(al->list[i].addr) || |
| 1476 | is_zero_ether_addr(al->list[i].addr)) { |
| 1477 | dev_err(&pf->pdev->dev, "invalid VF MAC addr %pM\n", |
| 1478 | al->list[i].addr); |
| 1479 | ret = I40E_ERR_INVALID_MAC_ADDR; |
Greg Rose | f657a6e | 2013-11-28 06:39:42 +0000 | [diff] [blame] | 1480 | goto error_param; |
Mitch Williams | 700bbf6 | 2013-12-21 05:44:45 +0000 | [diff] [blame] | 1481 | } |
Greg Rose | f657a6e | 2013-11-28 06:39:42 +0000 | [diff] [blame] | 1482 | } |
Anjali Singhai Jain | fdf0e0b | 2015-03-31 00:45:05 -0700 | [diff] [blame^] | 1483 | vsi = pf->vsi[vf->lan_vsi_idx]; |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1484 | |
| 1485 | /* delete addresses from the list */ |
| 1486 | for (i = 0; i < al->num_elements; i++) |
| 1487 | i40e_del_filter(vsi, al->list[i].addr, |
| 1488 | I40E_VLAN_ANY, true, false); |
| 1489 | |
| 1490 | /* program the updated filter list */ |
| 1491 | if (i40e_sync_vsi_filters(vsi)) |
| 1492 | dev_err(&pf->pdev->dev, "Unable to program VF MAC filters\n"); |
| 1493 | |
| 1494 | error_param: |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 1495 | /* send the response to the VF */ |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1496 | return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS, |
Greg Rose | f657a6e | 2013-11-28 06:39:42 +0000 | [diff] [blame] | 1497 | ret); |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1498 | } |
| 1499 | |
| 1500 | /** |
| 1501 | * i40e_vc_add_vlan_msg |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 1502 | * @vf: pointer to the VF info |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1503 | * @msg: pointer to the msg buffer |
| 1504 | * @msglen: msg length |
| 1505 | * |
| 1506 | * program guest vlan id |
| 1507 | **/ |
| 1508 | static int i40e_vc_add_vlan_msg(struct i40e_vf *vf, u8 *msg, u16 msglen) |
| 1509 | { |
| 1510 | struct i40e_virtchnl_vlan_filter_list *vfl = |
| 1511 | (struct i40e_virtchnl_vlan_filter_list *)msg; |
| 1512 | struct i40e_pf *pf = vf->pf; |
| 1513 | struct i40e_vsi *vsi = NULL; |
| 1514 | u16 vsi_id = vfl->vsi_id; |
| 1515 | i40e_status aq_ret = 0; |
| 1516 | int i; |
| 1517 | |
| 1518 | if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) || |
| 1519 | !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) || |
| 1520 | !i40e_vc_isvalid_vsi_id(vf, vsi_id)) { |
| 1521 | aq_ret = I40E_ERR_PARAM; |
| 1522 | goto error_param; |
| 1523 | } |
| 1524 | |
| 1525 | for (i = 0; i < vfl->num_elements; i++) { |
| 1526 | if (vfl->vlan_id[i] > I40E_MAX_VLANID) { |
| 1527 | aq_ret = I40E_ERR_PARAM; |
| 1528 | dev_err(&pf->pdev->dev, |
| 1529 | "invalid VF VLAN id %d\n", vfl->vlan_id[i]); |
| 1530 | goto error_param; |
| 1531 | } |
| 1532 | } |
Anjali Singhai Jain | fdf0e0b | 2015-03-31 00:45:05 -0700 | [diff] [blame^] | 1533 | vsi = pf->vsi[vf->lan_vsi_idx]; |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1534 | if (vsi->info.pvid) { |
| 1535 | aq_ret = I40E_ERR_PARAM; |
| 1536 | goto error_param; |
| 1537 | } |
| 1538 | |
| 1539 | i40e_vlan_stripping_enable(vsi); |
| 1540 | for (i = 0; i < vfl->num_elements; i++) { |
| 1541 | /* add new VLAN filter */ |
| 1542 | int ret = i40e_vsi_add_vlan(vsi, vfl->vlan_id[i]); |
| 1543 | if (ret) |
| 1544 | dev_err(&pf->pdev->dev, |
| 1545 | "Unable to add VF vlan filter %d, error %d\n", |
| 1546 | vfl->vlan_id[i], ret); |
| 1547 | } |
| 1548 | |
| 1549 | error_param: |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 1550 | /* send the response to the VF */ |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1551 | return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_ADD_VLAN, aq_ret); |
| 1552 | } |
| 1553 | |
| 1554 | /** |
| 1555 | * i40e_vc_remove_vlan_msg |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 1556 | * @vf: pointer to the VF info |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1557 | * @msg: pointer to the msg buffer |
| 1558 | * @msglen: msg length |
| 1559 | * |
| 1560 | * remove programmed guest vlan id |
| 1561 | **/ |
| 1562 | static int i40e_vc_remove_vlan_msg(struct i40e_vf *vf, u8 *msg, u16 msglen) |
| 1563 | { |
| 1564 | struct i40e_virtchnl_vlan_filter_list *vfl = |
| 1565 | (struct i40e_virtchnl_vlan_filter_list *)msg; |
| 1566 | struct i40e_pf *pf = vf->pf; |
| 1567 | struct i40e_vsi *vsi = NULL; |
| 1568 | u16 vsi_id = vfl->vsi_id; |
| 1569 | i40e_status aq_ret = 0; |
| 1570 | int i; |
| 1571 | |
| 1572 | if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) || |
| 1573 | !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) || |
| 1574 | !i40e_vc_isvalid_vsi_id(vf, vsi_id)) { |
| 1575 | aq_ret = I40E_ERR_PARAM; |
| 1576 | goto error_param; |
| 1577 | } |
| 1578 | |
| 1579 | for (i = 0; i < vfl->num_elements; i++) { |
| 1580 | if (vfl->vlan_id[i] > I40E_MAX_VLANID) { |
| 1581 | aq_ret = I40E_ERR_PARAM; |
| 1582 | goto error_param; |
| 1583 | } |
| 1584 | } |
| 1585 | |
Anjali Singhai Jain | fdf0e0b | 2015-03-31 00:45:05 -0700 | [diff] [blame^] | 1586 | vsi = pf->vsi[vf->lan_vsi_idx]; |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1587 | if (vsi->info.pvid) { |
| 1588 | aq_ret = I40E_ERR_PARAM; |
| 1589 | goto error_param; |
| 1590 | } |
| 1591 | |
| 1592 | for (i = 0; i < vfl->num_elements; i++) { |
| 1593 | int ret = i40e_vsi_kill_vlan(vsi, vfl->vlan_id[i]); |
| 1594 | if (ret) |
| 1595 | dev_err(&pf->pdev->dev, |
| 1596 | "Unable to delete VF vlan filter %d, error %d\n", |
| 1597 | vfl->vlan_id[i], ret); |
| 1598 | } |
| 1599 | |
| 1600 | error_param: |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 1601 | /* send the response to the VF */ |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1602 | return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_DEL_VLAN, aq_ret); |
| 1603 | } |
| 1604 | |
| 1605 | /** |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1606 | * i40e_vc_validate_vf_msg |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 1607 | * @vf: pointer to the VF info |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1608 | * @msg: pointer to the msg buffer |
| 1609 | * @msglen: msg length |
| 1610 | * @msghndl: msg handle |
| 1611 | * |
| 1612 | * validate msg |
| 1613 | **/ |
| 1614 | static int i40e_vc_validate_vf_msg(struct i40e_vf *vf, u32 v_opcode, |
| 1615 | u32 v_retval, u8 *msg, u16 msglen) |
| 1616 | { |
| 1617 | bool err_msg_format = false; |
| 1618 | int valid_len; |
| 1619 | |
| 1620 | /* Check if VF is disabled. */ |
| 1621 | if (test_bit(I40E_VF_STAT_DISABLED, &vf->vf_states)) |
| 1622 | return I40E_ERR_PARAM; |
| 1623 | |
| 1624 | /* Validate message length. */ |
| 1625 | switch (v_opcode) { |
| 1626 | case I40E_VIRTCHNL_OP_VERSION: |
| 1627 | valid_len = sizeof(struct i40e_virtchnl_version_info); |
| 1628 | break; |
| 1629 | case I40E_VIRTCHNL_OP_RESET_VF: |
| 1630 | case I40E_VIRTCHNL_OP_GET_VF_RESOURCES: |
| 1631 | valid_len = 0; |
| 1632 | break; |
| 1633 | case I40E_VIRTCHNL_OP_CONFIG_TX_QUEUE: |
| 1634 | valid_len = sizeof(struct i40e_virtchnl_txq_info); |
| 1635 | break; |
| 1636 | case I40E_VIRTCHNL_OP_CONFIG_RX_QUEUE: |
| 1637 | valid_len = sizeof(struct i40e_virtchnl_rxq_info); |
| 1638 | break; |
| 1639 | case I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES: |
| 1640 | valid_len = sizeof(struct i40e_virtchnl_vsi_queue_config_info); |
| 1641 | if (msglen >= valid_len) { |
| 1642 | struct i40e_virtchnl_vsi_queue_config_info *vqc = |
| 1643 | (struct i40e_virtchnl_vsi_queue_config_info *)msg; |
| 1644 | valid_len += (vqc->num_queue_pairs * |
| 1645 | sizeof(struct |
| 1646 | i40e_virtchnl_queue_pair_info)); |
| 1647 | if (vqc->num_queue_pairs == 0) |
| 1648 | err_msg_format = true; |
| 1649 | } |
| 1650 | break; |
| 1651 | case I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP: |
| 1652 | valid_len = sizeof(struct i40e_virtchnl_irq_map_info); |
| 1653 | if (msglen >= valid_len) { |
| 1654 | struct i40e_virtchnl_irq_map_info *vimi = |
| 1655 | (struct i40e_virtchnl_irq_map_info *)msg; |
| 1656 | valid_len += (vimi->num_vectors * |
| 1657 | sizeof(struct i40e_virtchnl_vector_map)); |
| 1658 | if (vimi->num_vectors == 0) |
| 1659 | err_msg_format = true; |
| 1660 | } |
| 1661 | break; |
| 1662 | case I40E_VIRTCHNL_OP_ENABLE_QUEUES: |
| 1663 | case I40E_VIRTCHNL_OP_DISABLE_QUEUES: |
| 1664 | valid_len = sizeof(struct i40e_virtchnl_queue_select); |
| 1665 | break; |
| 1666 | case I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS: |
| 1667 | case I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS: |
| 1668 | valid_len = sizeof(struct i40e_virtchnl_ether_addr_list); |
| 1669 | if (msglen >= valid_len) { |
| 1670 | struct i40e_virtchnl_ether_addr_list *veal = |
| 1671 | (struct i40e_virtchnl_ether_addr_list *)msg; |
| 1672 | valid_len += veal->num_elements * |
| 1673 | sizeof(struct i40e_virtchnl_ether_addr); |
| 1674 | if (veal->num_elements == 0) |
| 1675 | err_msg_format = true; |
| 1676 | } |
| 1677 | break; |
| 1678 | case I40E_VIRTCHNL_OP_ADD_VLAN: |
| 1679 | case I40E_VIRTCHNL_OP_DEL_VLAN: |
| 1680 | valid_len = sizeof(struct i40e_virtchnl_vlan_filter_list); |
| 1681 | if (msglen >= valid_len) { |
| 1682 | struct i40e_virtchnl_vlan_filter_list *vfl = |
| 1683 | (struct i40e_virtchnl_vlan_filter_list *)msg; |
| 1684 | valid_len += vfl->num_elements * sizeof(u16); |
| 1685 | if (vfl->num_elements == 0) |
| 1686 | err_msg_format = true; |
| 1687 | } |
| 1688 | break; |
| 1689 | case I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE: |
| 1690 | valid_len = sizeof(struct i40e_virtchnl_promisc_info); |
| 1691 | break; |
| 1692 | case I40E_VIRTCHNL_OP_GET_STATS: |
| 1693 | valid_len = sizeof(struct i40e_virtchnl_queue_select); |
| 1694 | break; |
| 1695 | /* These are always errors coming from the VF. */ |
| 1696 | case I40E_VIRTCHNL_OP_EVENT: |
| 1697 | case I40E_VIRTCHNL_OP_UNKNOWN: |
| 1698 | default: |
| 1699 | return -EPERM; |
| 1700 | break; |
| 1701 | } |
| 1702 | /* few more checks */ |
| 1703 | if ((valid_len != msglen) || (err_msg_format)) { |
| 1704 | i40e_vc_send_resp_to_vf(vf, v_opcode, I40E_ERR_PARAM); |
| 1705 | return -EINVAL; |
| 1706 | } else { |
| 1707 | return 0; |
| 1708 | } |
| 1709 | } |
| 1710 | |
| 1711 | /** |
| 1712 | * i40e_vc_process_vf_msg |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 1713 | * @pf: pointer to the PF structure |
| 1714 | * @vf_id: source VF id |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1715 | * @msg: pointer to the msg buffer |
| 1716 | * @msglen: msg length |
| 1717 | * @msghndl: msg handle |
| 1718 | * |
| 1719 | * called from the common aeq/arq handler to |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 1720 | * process request from VF |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1721 | **/ |
| 1722 | int i40e_vc_process_vf_msg(struct i40e_pf *pf, u16 vf_id, u32 v_opcode, |
| 1723 | u32 v_retval, u8 *msg, u16 msglen) |
| 1724 | { |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1725 | struct i40e_hw *hw = &pf->hw; |
Dan Carpenter | c243e96 | 2014-01-15 06:43:39 +0000 | [diff] [blame] | 1726 | unsigned int local_vf_id = vf_id - hw->func_caps.vf_base_id; |
Mitch Williams | 6c1b5bf | 2013-11-28 06:39:30 +0000 | [diff] [blame] | 1727 | struct i40e_vf *vf; |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1728 | int ret; |
| 1729 | |
| 1730 | pf->vf_aq_requests++; |
Mitch Williams | 7efa84b | 2013-11-28 06:39:41 +0000 | [diff] [blame] | 1731 | if (local_vf_id >= pf->num_alloc_vfs) |
Mitch Williams | 6c1b5bf | 2013-11-28 06:39:30 +0000 | [diff] [blame] | 1732 | return -EINVAL; |
Mitch Williams | 7efa84b | 2013-11-28 06:39:41 +0000 | [diff] [blame] | 1733 | vf = &(pf->vf[local_vf_id]); |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1734 | /* perform basic checks on the msg */ |
| 1735 | ret = i40e_vc_validate_vf_msg(vf, v_opcode, v_retval, msg, msglen); |
| 1736 | |
| 1737 | if (ret) { |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 1738 | dev_err(&pf->pdev->dev, "Invalid message from VF %d, opcode %d, len %d\n", |
Mitch Williams | 7efa84b | 2013-11-28 06:39:41 +0000 | [diff] [blame] | 1739 | local_vf_id, v_opcode, msglen); |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1740 | return ret; |
| 1741 | } |
Mitch Williams | bae3cae | 2014-01-14 00:49:49 -0800 | [diff] [blame] | 1742 | |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1743 | switch (v_opcode) { |
| 1744 | case I40E_VIRTCHNL_OP_VERSION: |
| 1745 | ret = i40e_vc_get_version_msg(vf); |
| 1746 | break; |
| 1747 | case I40E_VIRTCHNL_OP_GET_VF_RESOURCES: |
| 1748 | ret = i40e_vc_get_vf_resources_msg(vf); |
| 1749 | break; |
| 1750 | case I40E_VIRTCHNL_OP_RESET_VF: |
Mitch Williams | fc18eaa | 2013-11-28 06:39:27 +0000 | [diff] [blame] | 1751 | i40e_vc_reset_vf_msg(vf); |
| 1752 | ret = 0; |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1753 | break; |
| 1754 | case I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE: |
| 1755 | ret = i40e_vc_config_promiscuous_mode_msg(vf, msg, msglen); |
| 1756 | break; |
| 1757 | case I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES: |
| 1758 | ret = i40e_vc_config_queues_msg(vf, msg, msglen); |
| 1759 | break; |
| 1760 | case I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP: |
| 1761 | ret = i40e_vc_config_irq_map_msg(vf, msg, msglen); |
| 1762 | break; |
| 1763 | case I40E_VIRTCHNL_OP_ENABLE_QUEUES: |
| 1764 | ret = i40e_vc_enable_queues_msg(vf, msg, msglen); |
| 1765 | break; |
| 1766 | case I40E_VIRTCHNL_OP_DISABLE_QUEUES: |
| 1767 | ret = i40e_vc_disable_queues_msg(vf, msg, msglen); |
| 1768 | break; |
| 1769 | case I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS: |
| 1770 | ret = i40e_vc_add_mac_addr_msg(vf, msg, msglen); |
| 1771 | break; |
| 1772 | case I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS: |
| 1773 | ret = i40e_vc_del_mac_addr_msg(vf, msg, msglen); |
| 1774 | break; |
| 1775 | case I40E_VIRTCHNL_OP_ADD_VLAN: |
| 1776 | ret = i40e_vc_add_vlan_msg(vf, msg, msglen); |
| 1777 | break; |
| 1778 | case I40E_VIRTCHNL_OP_DEL_VLAN: |
| 1779 | ret = i40e_vc_remove_vlan_msg(vf, msg, msglen); |
| 1780 | break; |
| 1781 | case I40E_VIRTCHNL_OP_GET_STATS: |
| 1782 | ret = i40e_vc_get_stats_msg(vf, msg, msglen); |
| 1783 | break; |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1784 | case I40E_VIRTCHNL_OP_UNKNOWN: |
| 1785 | default: |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 1786 | dev_err(&pf->pdev->dev, "Unsupported opcode %d from VF %d\n", |
Mitch Williams | 7efa84b | 2013-11-28 06:39:41 +0000 | [diff] [blame] | 1787 | v_opcode, local_vf_id); |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1788 | ret = i40e_vc_send_resp_to_vf(vf, v_opcode, |
| 1789 | I40E_ERR_NOT_IMPLEMENTED); |
| 1790 | break; |
| 1791 | } |
| 1792 | |
| 1793 | return ret; |
| 1794 | } |
| 1795 | |
| 1796 | /** |
| 1797 | * i40e_vc_process_vflr_event |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 1798 | * @pf: pointer to the PF structure |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1799 | * |
| 1800 | * called from the vlfr irq handler to |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 1801 | * free up VF resources and state variables |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1802 | **/ |
| 1803 | int i40e_vc_process_vflr_event(struct i40e_pf *pf) |
| 1804 | { |
| 1805 | u32 reg, reg_idx, bit_idx, vf_id; |
| 1806 | struct i40e_hw *hw = &pf->hw; |
| 1807 | struct i40e_vf *vf; |
| 1808 | |
| 1809 | if (!test_bit(__I40E_VFLR_EVENT_PENDING, &pf->state)) |
| 1810 | return 0; |
| 1811 | |
Mitch Williams | c5c2f7c | 2014-11-11 03:15:04 +0000 | [diff] [blame] | 1812 | /* re-enable vflr interrupt cause */ |
| 1813 | reg = rd32(hw, I40E_PFINT_ICR0_ENA); |
| 1814 | reg |= I40E_PFINT_ICR0_ENA_VFLR_MASK; |
| 1815 | wr32(hw, I40E_PFINT_ICR0_ENA, reg); |
| 1816 | i40e_flush(hw); |
| 1817 | |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1818 | clear_bit(__I40E_VFLR_EVENT_PENDING, &pf->state); |
| 1819 | for (vf_id = 0; vf_id < pf->num_alloc_vfs; vf_id++) { |
| 1820 | reg_idx = (hw->func_caps.vf_base_id + vf_id) / 32; |
| 1821 | bit_idx = (hw->func_caps.vf_base_id + vf_id) % 32; |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 1822 | /* read GLGEN_VFLRSTAT register to find out the flr VFs */ |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1823 | vf = &pf->vf[vf_id]; |
| 1824 | reg = rd32(hw, I40E_GLGEN_VFLRSTAT(reg_idx)); |
| 1825 | if (reg & (1 << bit_idx)) { |
| 1826 | /* clear the bit in GLGEN_VFLRSTAT */ |
| 1827 | wr32(hw, I40E_GLGEN_VFLRSTAT(reg_idx), (1 << bit_idx)); |
| 1828 | |
Mitch Williams | eb2d80b | 2014-02-13 03:48:48 -0800 | [diff] [blame] | 1829 | if (!test_bit(__I40E_DOWN, &pf->state)) |
| 1830 | i40e_reset_vf(vf, true); |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1831 | } |
| 1832 | } |
| 1833 | |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1834 | return 0; |
| 1835 | } |
| 1836 | |
| 1837 | /** |
| 1838 | * i40e_vc_vf_broadcast |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 1839 | * @pf: pointer to the PF structure |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1840 | * @opcode: operation code |
| 1841 | * @retval: return value |
| 1842 | * @msg: pointer to the msg buffer |
| 1843 | * @msglen: msg length |
| 1844 | * |
| 1845 | * send a message to all VFs on a given PF |
| 1846 | **/ |
| 1847 | static void i40e_vc_vf_broadcast(struct i40e_pf *pf, |
| 1848 | enum i40e_virtchnl_ops v_opcode, |
| 1849 | i40e_status v_retval, u8 *msg, |
| 1850 | u16 msglen) |
| 1851 | { |
| 1852 | struct i40e_hw *hw = &pf->hw; |
| 1853 | struct i40e_vf *vf = pf->vf; |
| 1854 | int i; |
| 1855 | |
Anjali Singhai Jain | 6e7b5bd | 2014-07-10 07:58:21 +0000 | [diff] [blame] | 1856 | for (i = 0; i < pf->num_alloc_vfs; i++, vf++) { |
| 1857 | int abs_vf_id = vf->vf_id + hw->func_caps.vf_base_id; |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 1858 | /* Not all VFs are enabled so skip the ones that are not */ |
Anjali Singhai Jain | 478c9e7 | 2014-07-10 07:58:18 +0000 | [diff] [blame] | 1859 | if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states) && |
| 1860 | !test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) |
| 1861 | continue; |
| 1862 | |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1863 | /* Ignore return value on purpose - a given VF may fail, but |
| 1864 | * we need to keep going and send to all of them |
| 1865 | */ |
Ashish Shah | f19efbb | 2014-08-01 13:27:06 -0700 | [diff] [blame] | 1866 | i40e_aq_send_msg_to_vf(hw, abs_vf_id, v_opcode, v_retval, |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1867 | msg, msglen, NULL); |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1868 | } |
| 1869 | } |
| 1870 | |
| 1871 | /** |
| 1872 | * i40e_vc_notify_link_state |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 1873 | * @pf: pointer to the PF structure |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1874 | * |
| 1875 | * send a link status message to all VFs on a given PF |
| 1876 | **/ |
| 1877 | void i40e_vc_notify_link_state(struct i40e_pf *pf) |
| 1878 | { |
| 1879 | struct i40e_virtchnl_pf_event pfe; |
Mitch Williams | 588aefa | 2014-02-11 08:27:49 +0000 | [diff] [blame] | 1880 | struct i40e_hw *hw = &pf->hw; |
| 1881 | struct i40e_vf *vf = pf->vf; |
| 1882 | struct i40e_link_status *ls = &pf->hw.phy.link_info; |
| 1883 | int i; |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1884 | |
| 1885 | pfe.event = I40E_VIRTCHNL_EVENT_LINK_CHANGE; |
| 1886 | pfe.severity = I40E_PF_EVENT_SEVERITY_INFO; |
Anjali Singhai Jain | 6e7b5bd | 2014-07-10 07:58:21 +0000 | [diff] [blame] | 1887 | for (i = 0; i < pf->num_alloc_vfs; i++, vf++) { |
| 1888 | int abs_vf_id = vf->vf_id + hw->func_caps.vf_base_id; |
Mitch Williams | 588aefa | 2014-02-11 08:27:49 +0000 | [diff] [blame] | 1889 | if (vf->link_forced) { |
| 1890 | pfe.event_data.link_event.link_status = vf->link_up; |
| 1891 | pfe.event_data.link_event.link_speed = |
| 1892 | (vf->link_up ? I40E_LINK_SPEED_40GB : 0); |
| 1893 | } else { |
| 1894 | pfe.event_data.link_event.link_status = |
| 1895 | ls->link_info & I40E_AQ_LINK_UP; |
| 1896 | pfe.event_data.link_event.link_speed = ls->link_speed; |
| 1897 | } |
Ashish Shah | f19efbb | 2014-08-01 13:27:06 -0700 | [diff] [blame] | 1898 | i40e_aq_send_msg_to_vf(hw, abs_vf_id, I40E_VIRTCHNL_OP_EVENT, |
Mitch Williams | 588aefa | 2014-02-11 08:27:49 +0000 | [diff] [blame] | 1899 | 0, (u8 *)&pfe, sizeof(pfe), |
| 1900 | NULL); |
Mitch Williams | 588aefa | 2014-02-11 08:27:49 +0000 | [diff] [blame] | 1901 | } |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1902 | } |
| 1903 | |
| 1904 | /** |
| 1905 | * i40e_vc_notify_reset |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 1906 | * @pf: pointer to the PF structure |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1907 | * |
| 1908 | * indicate a pending reset to all VFs on a given PF |
| 1909 | **/ |
| 1910 | void i40e_vc_notify_reset(struct i40e_pf *pf) |
| 1911 | { |
| 1912 | struct i40e_virtchnl_pf_event pfe; |
| 1913 | |
| 1914 | pfe.event = I40E_VIRTCHNL_EVENT_RESET_IMPENDING; |
| 1915 | pfe.severity = I40E_PF_EVENT_SEVERITY_CERTAIN_DOOM; |
| 1916 | i40e_vc_vf_broadcast(pf, I40E_VIRTCHNL_OP_EVENT, I40E_SUCCESS, |
| 1917 | (u8 *)&pfe, sizeof(struct i40e_virtchnl_pf_event)); |
| 1918 | } |
| 1919 | |
| 1920 | /** |
| 1921 | * i40e_vc_notify_vf_reset |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 1922 | * @vf: pointer to the VF structure |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1923 | * |
| 1924 | * indicate a pending reset to the given VF |
| 1925 | **/ |
| 1926 | void i40e_vc_notify_vf_reset(struct i40e_vf *vf) |
| 1927 | { |
| 1928 | struct i40e_virtchnl_pf_event pfe; |
Anjali Singhai Jain | 478c9e7 | 2014-07-10 07:58:18 +0000 | [diff] [blame] | 1929 | int abs_vf_id; |
| 1930 | |
Anjali Singhai Jain | 6e7b5bd | 2014-07-10 07:58:21 +0000 | [diff] [blame] | 1931 | /* validate the request */ |
| 1932 | if (!vf || vf->vf_id >= vf->pf->num_alloc_vfs) |
| 1933 | return; |
| 1934 | |
Anjali Singhai Jain | 478c9e7 | 2014-07-10 07:58:18 +0000 | [diff] [blame] | 1935 | /* verify if the VF is in either init or active before proceeding */ |
| 1936 | if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states) && |
| 1937 | !test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) |
| 1938 | return; |
| 1939 | |
| 1940 | abs_vf_id = vf->vf_id + vf->pf->hw.func_caps.vf_base_id; |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1941 | |
| 1942 | pfe.event = I40E_VIRTCHNL_EVENT_RESET_IMPENDING; |
| 1943 | pfe.severity = I40E_PF_EVENT_SEVERITY_CERTAIN_DOOM; |
Ashish Shah | f19efbb | 2014-08-01 13:27:06 -0700 | [diff] [blame] | 1944 | i40e_aq_send_msg_to_vf(&vf->pf->hw, abs_vf_id, I40E_VIRTCHNL_OP_EVENT, |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1945 | I40E_SUCCESS, (u8 *)&pfe, |
| 1946 | sizeof(struct i40e_virtchnl_pf_event), NULL); |
| 1947 | } |
| 1948 | |
| 1949 | /** |
| 1950 | * i40e_ndo_set_vf_mac |
| 1951 | * @netdev: network interface device structure |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 1952 | * @vf_id: VF identifier |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1953 | * @mac: mac address |
| 1954 | * |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 1955 | * program VF mac address |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1956 | **/ |
| 1957 | int i40e_ndo_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac) |
| 1958 | { |
| 1959 | struct i40e_netdev_priv *np = netdev_priv(netdev); |
| 1960 | struct i40e_vsi *vsi = np->vsi; |
| 1961 | struct i40e_pf *pf = vsi->back; |
| 1962 | struct i40e_mac_filter *f; |
| 1963 | struct i40e_vf *vf; |
| 1964 | int ret = 0; |
| 1965 | |
| 1966 | /* validate the request */ |
| 1967 | if (vf_id >= pf->num_alloc_vfs) { |
| 1968 | dev_err(&pf->pdev->dev, |
| 1969 | "Invalid VF Identifier %d\n", vf_id); |
| 1970 | ret = -EINVAL; |
| 1971 | goto error_param; |
| 1972 | } |
| 1973 | |
| 1974 | vf = &(pf->vf[vf_id]); |
Anjali Singhai Jain | fdf0e0b | 2015-03-31 00:45:05 -0700 | [diff] [blame^] | 1975 | vsi = pf->vsi[vf->lan_vsi_idx]; |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1976 | if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) { |
| 1977 | dev_err(&pf->pdev->dev, |
| 1978 | "Uninitialized VF %d\n", vf_id); |
| 1979 | ret = -EINVAL; |
| 1980 | goto error_param; |
| 1981 | } |
| 1982 | |
| 1983 | if (!is_valid_ether_addr(mac)) { |
| 1984 | dev_err(&pf->pdev->dev, |
| 1985 | "Invalid VF ethernet address\n"); |
| 1986 | ret = -EINVAL; |
| 1987 | goto error_param; |
| 1988 | } |
| 1989 | |
| 1990 | /* delete the temporary mac address */ |
Greg Rose | 37cc0d2 | 2014-04-01 07:11:44 +0000 | [diff] [blame] | 1991 | i40e_del_filter(vsi, vf->default_lan_addr.addr, vf->port_vlan_id, |
| 1992 | true, false); |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1993 | |
Greg Rose | 29f71bb | 2014-05-20 08:01:45 +0000 | [diff] [blame] | 1994 | /* Delete all the filters for this VSI - we're going to kill it |
| 1995 | * anyway. |
| 1996 | */ |
| 1997 | list_for_each_entry(f, &vsi->mac_filter_list, list) |
| 1998 | i40e_del_filter(vsi, f->macaddr, f->vlan, true, false); |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 1999 | |
| 2000 | dev_info(&pf->pdev->dev, "Setting MAC %pM on VF %d\n", mac, vf_id); |
| 2001 | /* program mac filter */ |
| 2002 | if (i40e_sync_vsi_filters(vsi)) { |
| 2003 | dev_err(&pf->pdev->dev, "Unable to program ucast filters\n"); |
| 2004 | ret = -EIO; |
| 2005 | goto error_param; |
| 2006 | } |
Greg Rose | 9a17390 | 2014-05-22 06:32:02 +0000 | [diff] [blame] | 2007 | ether_addr_copy(vf->default_lan_addr.addr, mac); |
Greg Rose | f657a6e | 2013-11-28 06:39:42 +0000 | [diff] [blame] | 2008 | vf->pf_set_mac = true; |
Greg Rose | 17413a8 | 2014-06-04 01:23:13 +0000 | [diff] [blame] | 2009 | /* Force the VF driver stop so it has to reload with new MAC address */ |
| 2010 | i40e_vc_disable_vf(pf, vf); |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 2011 | dev_info(&pf->pdev->dev, "Reload the VF driver to make this change effective.\n"); |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 2012 | |
| 2013 | error_param: |
| 2014 | return ret; |
| 2015 | } |
| 2016 | |
| 2017 | /** |
| 2018 | * i40e_ndo_set_vf_port_vlan |
| 2019 | * @netdev: network interface device structure |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 2020 | * @vf_id: VF identifier |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 2021 | * @vlan_id: mac address |
| 2022 | * @qos: priority setting |
| 2023 | * |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 2024 | * program VF vlan id and/or qos |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 2025 | **/ |
| 2026 | int i40e_ndo_set_vf_port_vlan(struct net_device *netdev, |
| 2027 | int vf_id, u16 vlan_id, u8 qos) |
| 2028 | { |
| 2029 | struct i40e_netdev_priv *np = netdev_priv(netdev); |
| 2030 | struct i40e_pf *pf = np->vsi->back; |
| 2031 | struct i40e_vsi *vsi; |
| 2032 | struct i40e_vf *vf; |
| 2033 | int ret = 0; |
| 2034 | |
| 2035 | /* validate the request */ |
| 2036 | if (vf_id >= pf->num_alloc_vfs) { |
| 2037 | dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id); |
| 2038 | ret = -EINVAL; |
| 2039 | goto error_pvid; |
| 2040 | } |
| 2041 | |
| 2042 | if ((vlan_id > I40E_MAX_VLANID) || (qos > 7)) { |
| 2043 | dev_err(&pf->pdev->dev, "Invalid VF Parameters\n"); |
| 2044 | ret = -EINVAL; |
| 2045 | goto error_pvid; |
| 2046 | } |
| 2047 | |
| 2048 | vf = &(pf->vf[vf_id]); |
Anjali Singhai Jain | fdf0e0b | 2015-03-31 00:45:05 -0700 | [diff] [blame^] | 2049 | vsi = pf->vsi[vf->lan_vsi_idx]; |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 2050 | if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) { |
| 2051 | dev_err(&pf->pdev->dev, "Uninitialized VF %d\n", vf_id); |
| 2052 | ret = -EINVAL; |
| 2053 | goto error_pvid; |
| 2054 | } |
| 2055 | |
Greg Rose | f9b4b62 | 2014-03-06 09:02:28 +0000 | [diff] [blame] | 2056 | if (vsi->info.pvid == 0 && i40e_is_vsi_in_vlan(vsi)) { |
Greg Rose | 99a4973 | 2014-01-13 16:13:03 -0800 | [diff] [blame] | 2057 | dev_err(&pf->pdev->dev, |
| 2058 | "VF %d has already configured VLAN filters and the administrator is requesting a port VLAN override.\nPlease unload and reload the VF driver for this change to take effect.\n", |
| 2059 | vf_id); |
Greg Rose | f9b4b62 | 2014-03-06 09:02:28 +0000 | [diff] [blame] | 2060 | /* Administrator Error - knock the VF offline until he does |
| 2061 | * the right thing by reconfiguring his network correctly |
| 2062 | * and then reloading the VF driver. |
| 2063 | */ |
| 2064 | i40e_vc_disable_vf(pf, vf); |
| 2065 | } |
Greg Rose | 99a4973 | 2014-01-13 16:13:03 -0800 | [diff] [blame] | 2066 | |
Greg Rose | 8d82a7c | 2014-01-13 16:13:04 -0800 | [diff] [blame] | 2067 | /* Check for condition where there was already a port VLAN ID |
| 2068 | * filter set and now it is being deleted by setting it to zero. |
Greg Rose | 1315f7c | 2014-03-14 07:32:20 +0000 | [diff] [blame] | 2069 | * Additionally check for the condition where there was a port |
| 2070 | * VLAN but now there is a new and different port VLAN being set. |
Greg Rose | 8d82a7c | 2014-01-13 16:13:04 -0800 | [diff] [blame] | 2071 | * Before deleting all the old VLAN filters we must add new ones |
| 2072 | * with -1 (I40E_VLAN_ANY) or otherwise we're left with all our |
| 2073 | * MAC addresses deleted. |
| 2074 | */ |
Greg Rose | 1315f7c | 2014-03-14 07:32:20 +0000 | [diff] [blame] | 2075 | if ((!(vlan_id || qos) || |
| 2076 | (vlan_id | qos) != le16_to_cpu(vsi->info.pvid)) && |
| 2077 | vsi->info.pvid) |
Greg Rose | 8d82a7c | 2014-01-13 16:13:04 -0800 | [diff] [blame] | 2078 | ret = i40e_vsi_add_vlan(vsi, I40E_VLAN_ANY); |
| 2079 | |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 2080 | if (vsi->info.pvid) { |
| 2081 | /* kill old VLAN */ |
| 2082 | ret = i40e_vsi_kill_vlan(vsi, (le16_to_cpu(vsi->info.pvid) & |
| 2083 | VLAN_VID_MASK)); |
| 2084 | if (ret) { |
| 2085 | dev_info(&vsi->back->pdev->dev, |
| 2086 | "remove VLAN failed, ret=%d, aq_err=%d\n", |
| 2087 | ret, pf->hw.aq.asq_last_status); |
| 2088 | } |
| 2089 | } |
| 2090 | if (vlan_id || qos) |
| 2091 | ret = i40e_vsi_add_pvid(vsi, |
| 2092 | vlan_id | (qos << I40E_VLAN_PRIORITY_SHIFT)); |
| 2093 | else |
Greg Rose | 6c12fcb | 2013-11-28 06:39:34 +0000 | [diff] [blame] | 2094 | i40e_vsi_remove_pvid(vsi); |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 2095 | |
| 2096 | if (vlan_id) { |
| 2097 | dev_info(&pf->pdev->dev, "Setting VLAN %d, QOS 0x%x on VF %d\n", |
| 2098 | vlan_id, qos, vf_id); |
| 2099 | |
| 2100 | /* add new VLAN filter */ |
| 2101 | ret = i40e_vsi_add_vlan(vsi, vlan_id); |
| 2102 | if (ret) { |
| 2103 | dev_info(&vsi->back->pdev->dev, |
| 2104 | "add VF VLAN failed, ret=%d aq_err=%d\n", ret, |
| 2105 | vsi->back->hw.aq.asq_last_status); |
| 2106 | goto error_pvid; |
| 2107 | } |
Greg Rose | 8d82a7c | 2014-01-13 16:13:04 -0800 | [diff] [blame] | 2108 | /* Kill non-vlan MAC filters - ignore error return since |
| 2109 | * there might not be any non-vlan MAC filters. |
| 2110 | */ |
| 2111 | i40e_vsi_kill_vlan(vsi, I40E_VLAN_ANY); |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 2112 | } |
| 2113 | |
| 2114 | if (ret) { |
| 2115 | dev_err(&pf->pdev->dev, "Unable to update VF vsi context\n"); |
| 2116 | goto error_pvid; |
| 2117 | } |
Greg Rose | 6c12fcb | 2013-11-28 06:39:34 +0000 | [diff] [blame] | 2118 | /* The Port VLAN needs to be saved across resets the same as the |
| 2119 | * default LAN MAC address. |
| 2120 | */ |
| 2121 | vf->port_vlan_id = le16_to_cpu(vsi->info.pvid); |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 2122 | ret = 0; |
| 2123 | |
| 2124 | error_pvid: |
| 2125 | return ret; |
| 2126 | } |
| 2127 | |
Mitch Williams | 84590fd | 2014-04-09 05:58:57 +0000 | [diff] [blame] | 2128 | #define I40E_BW_CREDIT_DIVISOR 50 /* 50Mbps per BW credit */ |
| 2129 | #define I40E_MAX_BW_INACTIVE_ACCUM 4 /* device can accumulate 4 credits max */ |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 2130 | /** |
| 2131 | * i40e_ndo_set_vf_bw |
| 2132 | * @netdev: network interface device structure |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 2133 | * @vf_id: VF identifier |
| 2134 | * @tx_rate: Tx rate |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 2135 | * |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 2136 | * configure VF Tx rate |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 2137 | **/ |
Sucheta Chakraborty | ed61668 | 2014-05-22 09:59:05 -0400 | [diff] [blame] | 2138 | int i40e_ndo_set_vf_bw(struct net_device *netdev, int vf_id, int min_tx_rate, |
| 2139 | int max_tx_rate) |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 2140 | { |
Mitch Williams | 6b19289 | 2014-03-06 09:02:29 +0000 | [diff] [blame] | 2141 | struct i40e_netdev_priv *np = netdev_priv(netdev); |
| 2142 | struct i40e_pf *pf = np->vsi->back; |
| 2143 | struct i40e_vsi *vsi; |
| 2144 | struct i40e_vf *vf; |
| 2145 | int speed = 0; |
| 2146 | int ret = 0; |
| 2147 | |
| 2148 | /* validate the request */ |
| 2149 | if (vf_id >= pf->num_alloc_vfs) { |
| 2150 | dev_err(&pf->pdev->dev, "Invalid VF Identifier %d.\n", vf_id); |
| 2151 | ret = -EINVAL; |
| 2152 | goto error; |
| 2153 | } |
| 2154 | |
Sucheta Chakraborty | ed61668 | 2014-05-22 09:59:05 -0400 | [diff] [blame] | 2155 | if (min_tx_rate) { |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 2156 | dev_err(&pf->pdev->dev, "Invalid min tx rate (%d) (greater than 0) specified for VF %d.\n", |
Sucheta Chakraborty | ed61668 | 2014-05-22 09:59:05 -0400 | [diff] [blame] | 2157 | min_tx_rate, vf_id); |
| 2158 | return -EINVAL; |
| 2159 | } |
| 2160 | |
Mitch Williams | 6b19289 | 2014-03-06 09:02:29 +0000 | [diff] [blame] | 2161 | vf = &(pf->vf[vf_id]); |
Anjali Singhai Jain | fdf0e0b | 2015-03-31 00:45:05 -0700 | [diff] [blame^] | 2162 | vsi = pf->vsi[vf->lan_vsi_idx]; |
Mitch Williams | 6b19289 | 2014-03-06 09:02:29 +0000 | [diff] [blame] | 2163 | if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) { |
| 2164 | dev_err(&pf->pdev->dev, "Uninitialized VF %d.\n", vf_id); |
| 2165 | ret = -EINVAL; |
| 2166 | goto error; |
| 2167 | } |
| 2168 | |
| 2169 | switch (pf->hw.phy.link_info.link_speed) { |
| 2170 | case I40E_LINK_SPEED_40GB: |
| 2171 | speed = 40000; |
| 2172 | break; |
| 2173 | case I40E_LINK_SPEED_10GB: |
| 2174 | speed = 10000; |
| 2175 | break; |
| 2176 | case I40E_LINK_SPEED_1GB: |
| 2177 | speed = 1000; |
| 2178 | break; |
| 2179 | default: |
| 2180 | break; |
| 2181 | } |
| 2182 | |
Sucheta Chakraborty | ed61668 | 2014-05-22 09:59:05 -0400 | [diff] [blame] | 2183 | if (max_tx_rate > speed) { |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 2184 | dev_err(&pf->pdev->dev, "Invalid max tx rate %d specified for VF %d.", |
Sucheta Chakraborty | ed61668 | 2014-05-22 09:59:05 -0400 | [diff] [blame] | 2185 | max_tx_rate, vf->vf_id); |
Mitch Williams | 6b19289 | 2014-03-06 09:02:29 +0000 | [diff] [blame] | 2186 | ret = -EINVAL; |
| 2187 | goto error; |
| 2188 | } |
| 2189 | |
Mitch Williams | dac9b31 | 2014-04-09 05:58:56 +0000 | [diff] [blame] | 2190 | if ((max_tx_rate < 50) && (max_tx_rate > 0)) { |
| 2191 | dev_warn(&pf->pdev->dev, "Setting max Tx rate to minimum usable value of 50Mbps.\n"); |
| 2192 | max_tx_rate = 50; |
| 2193 | } |
| 2194 | |
Mitch Williams | 6b19289 | 2014-03-06 09:02:29 +0000 | [diff] [blame] | 2195 | /* Tx rate credits are in values of 50Mbps, 0 is disabled*/ |
Mitch Williams | 84590fd | 2014-04-09 05:58:57 +0000 | [diff] [blame] | 2196 | ret = i40e_aq_config_vsi_bw_limit(&pf->hw, vsi->seid, |
| 2197 | max_tx_rate / I40E_BW_CREDIT_DIVISOR, |
| 2198 | I40E_MAX_BW_INACTIVE_ACCUM, NULL); |
Mitch Williams | 6b19289 | 2014-03-06 09:02:29 +0000 | [diff] [blame] | 2199 | if (ret) { |
Sucheta Chakraborty | ed61668 | 2014-05-22 09:59:05 -0400 | [diff] [blame] | 2200 | dev_err(&pf->pdev->dev, "Unable to set max tx rate, error code %d.\n", |
Mitch Williams | 6b19289 | 2014-03-06 09:02:29 +0000 | [diff] [blame] | 2201 | ret); |
| 2202 | ret = -EIO; |
| 2203 | goto error; |
| 2204 | } |
Sucheta Chakraborty | ed61668 | 2014-05-22 09:59:05 -0400 | [diff] [blame] | 2205 | vf->tx_rate = max_tx_rate; |
Mitch Williams | 6b19289 | 2014-03-06 09:02:29 +0000 | [diff] [blame] | 2206 | error: |
| 2207 | return ret; |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 2208 | } |
| 2209 | |
| 2210 | /** |
| 2211 | * i40e_ndo_get_vf_config |
| 2212 | * @netdev: network interface device structure |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 2213 | * @vf_id: VF identifier |
| 2214 | * @ivi: VF configuration structure |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 2215 | * |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 2216 | * return VF configuration |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 2217 | **/ |
| 2218 | int i40e_ndo_get_vf_config(struct net_device *netdev, |
| 2219 | int vf_id, struct ifla_vf_info *ivi) |
| 2220 | { |
| 2221 | struct i40e_netdev_priv *np = netdev_priv(netdev); |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 2222 | struct i40e_vsi *vsi = np->vsi; |
| 2223 | struct i40e_pf *pf = vsi->back; |
| 2224 | struct i40e_vf *vf; |
| 2225 | int ret = 0; |
| 2226 | |
| 2227 | /* validate the request */ |
| 2228 | if (vf_id >= pf->num_alloc_vfs) { |
| 2229 | dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id); |
| 2230 | ret = -EINVAL; |
| 2231 | goto error_param; |
| 2232 | } |
| 2233 | |
| 2234 | vf = &(pf->vf[vf_id]); |
| 2235 | /* first vsi is always the LAN vsi */ |
Anjali Singhai Jain | fdf0e0b | 2015-03-31 00:45:05 -0700 | [diff] [blame^] | 2236 | vsi = pf->vsi[vf->lan_vsi_idx]; |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 2237 | if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) { |
| 2238 | dev_err(&pf->pdev->dev, "Uninitialized VF %d\n", vf_id); |
| 2239 | ret = -EINVAL; |
| 2240 | goto error_param; |
| 2241 | } |
| 2242 | |
| 2243 | ivi->vf = vf_id; |
| 2244 | |
Mitch Williams | f4a1c5c | 2013-11-28 06:39:34 +0000 | [diff] [blame] | 2245 | memcpy(&ivi->mac, vf->default_lan_addr.addr, ETH_ALEN); |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 2246 | |
Sucheta Chakraborty | ed61668 | 2014-05-22 09:59:05 -0400 | [diff] [blame] | 2247 | ivi->max_tx_rate = vf->tx_rate; |
| 2248 | ivi->min_tx_rate = 0; |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 2249 | ivi->vlan = le16_to_cpu(vsi->info.pvid) & I40E_VLAN_MASK; |
| 2250 | ivi->qos = (le16_to_cpu(vsi->info.pvid) & I40E_PRIORITY_MASK) >> |
| 2251 | I40E_VLAN_PRIORITY_SHIFT; |
Mitch Williams | 84ca55a | 2014-03-14 07:32:24 +0000 | [diff] [blame] | 2252 | if (vf->link_forced == false) |
| 2253 | ivi->linkstate = IFLA_VF_LINK_STATE_AUTO; |
| 2254 | else if (vf->link_up == true) |
| 2255 | ivi->linkstate = IFLA_VF_LINK_STATE_ENABLE; |
| 2256 | else |
| 2257 | ivi->linkstate = IFLA_VF_LINK_STATE_DISABLE; |
Mitch Williams | c674d12 | 2014-05-20 08:01:40 +0000 | [diff] [blame] | 2258 | ivi->spoofchk = vf->spoofchk; |
Jesse Brandeburg | 5c3c48a | 2013-09-11 08:40:07 +0000 | [diff] [blame] | 2259 | ret = 0; |
| 2260 | |
| 2261 | error_param: |
| 2262 | return ret; |
| 2263 | } |
Mitch Williams | 588aefa | 2014-02-11 08:27:49 +0000 | [diff] [blame] | 2264 | |
| 2265 | /** |
| 2266 | * i40e_ndo_set_vf_link_state |
| 2267 | * @netdev: network interface device structure |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 2268 | * @vf_id: VF identifier |
Mitch Williams | 588aefa | 2014-02-11 08:27:49 +0000 | [diff] [blame] | 2269 | * @link: required link state |
| 2270 | * |
| 2271 | * Set the link state of a specified VF, regardless of physical link state |
| 2272 | **/ |
| 2273 | int i40e_ndo_set_vf_link_state(struct net_device *netdev, int vf_id, int link) |
| 2274 | { |
| 2275 | struct i40e_netdev_priv *np = netdev_priv(netdev); |
| 2276 | struct i40e_pf *pf = np->vsi->back; |
| 2277 | struct i40e_virtchnl_pf_event pfe; |
| 2278 | struct i40e_hw *hw = &pf->hw; |
| 2279 | struct i40e_vf *vf; |
Ashish Shah | f19efbb | 2014-08-01 13:27:06 -0700 | [diff] [blame] | 2280 | int abs_vf_id; |
Mitch Williams | 588aefa | 2014-02-11 08:27:49 +0000 | [diff] [blame] | 2281 | int ret = 0; |
| 2282 | |
| 2283 | /* validate the request */ |
| 2284 | if (vf_id >= pf->num_alloc_vfs) { |
| 2285 | dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id); |
| 2286 | ret = -EINVAL; |
| 2287 | goto error_out; |
| 2288 | } |
| 2289 | |
| 2290 | vf = &pf->vf[vf_id]; |
Ashish Shah | f19efbb | 2014-08-01 13:27:06 -0700 | [diff] [blame] | 2291 | abs_vf_id = vf->vf_id + hw->func_caps.vf_base_id; |
Mitch Williams | 588aefa | 2014-02-11 08:27:49 +0000 | [diff] [blame] | 2292 | |
| 2293 | pfe.event = I40E_VIRTCHNL_EVENT_LINK_CHANGE; |
| 2294 | pfe.severity = I40E_PF_EVENT_SEVERITY_INFO; |
| 2295 | |
| 2296 | switch (link) { |
| 2297 | case IFLA_VF_LINK_STATE_AUTO: |
| 2298 | vf->link_forced = false; |
| 2299 | pfe.event_data.link_event.link_status = |
| 2300 | pf->hw.phy.link_info.link_info & I40E_AQ_LINK_UP; |
| 2301 | pfe.event_data.link_event.link_speed = |
| 2302 | pf->hw.phy.link_info.link_speed; |
| 2303 | break; |
| 2304 | case IFLA_VF_LINK_STATE_ENABLE: |
| 2305 | vf->link_forced = true; |
| 2306 | vf->link_up = true; |
| 2307 | pfe.event_data.link_event.link_status = true; |
| 2308 | pfe.event_data.link_event.link_speed = I40E_LINK_SPEED_40GB; |
| 2309 | break; |
| 2310 | case IFLA_VF_LINK_STATE_DISABLE: |
| 2311 | vf->link_forced = true; |
| 2312 | vf->link_up = false; |
| 2313 | pfe.event_data.link_event.link_status = false; |
| 2314 | pfe.event_data.link_event.link_speed = 0; |
| 2315 | break; |
| 2316 | default: |
| 2317 | ret = -EINVAL; |
| 2318 | goto error_out; |
| 2319 | } |
| 2320 | /* Notify the VF of its new link state */ |
Ashish Shah | f19efbb | 2014-08-01 13:27:06 -0700 | [diff] [blame] | 2321 | i40e_aq_send_msg_to_vf(hw, abs_vf_id, I40E_VIRTCHNL_OP_EVENT, |
Mitch Williams | 588aefa | 2014-02-11 08:27:49 +0000 | [diff] [blame] | 2322 | 0, (u8 *)&pfe, sizeof(pfe), NULL); |
| 2323 | |
| 2324 | error_out: |
| 2325 | return ret; |
| 2326 | } |
Mitch Williams | c674d12 | 2014-05-20 08:01:40 +0000 | [diff] [blame] | 2327 | |
| 2328 | /** |
| 2329 | * i40e_ndo_set_vf_spoofchk |
| 2330 | * @netdev: network interface device structure |
Jeff Kirsher | b40c82e | 2015-02-27 09:18:34 +0000 | [diff] [blame] | 2331 | * @vf_id: VF identifier |
Mitch Williams | c674d12 | 2014-05-20 08:01:40 +0000 | [diff] [blame] | 2332 | * @enable: flag to enable or disable feature |
| 2333 | * |
| 2334 | * Enable or disable VF spoof checking |
| 2335 | **/ |
Serey Kong | e6d9004 | 2014-07-12 07:28:14 +0000 | [diff] [blame] | 2336 | int i40e_ndo_set_vf_spoofchk(struct net_device *netdev, int vf_id, bool enable) |
Mitch Williams | c674d12 | 2014-05-20 08:01:40 +0000 | [diff] [blame] | 2337 | { |
| 2338 | struct i40e_netdev_priv *np = netdev_priv(netdev); |
| 2339 | struct i40e_vsi *vsi = np->vsi; |
| 2340 | struct i40e_pf *pf = vsi->back; |
| 2341 | struct i40e_vsi_context ctxt; |
| 2342 | struct i40e_hw *hw = &pf->hw; |
| 2343 | struct i40e_vf *vf; |
| 2344 | int ret = 0; |
| 2345 | |
| 2346 | /* validate the request */ |
| 2347 | if (vf_id >= pf->num_alloc_vfs) { |
| 2348 | dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id); |
| 2349 | ret = -EINVAL; |
| 2350 | goto out; |
| 2351 | } |
| 2352 | |
| 2353 | vf = &(pf->vf[vf_id]); |
| 2354 | |
| 2355 | if (enable == vf->spoofchk) |
| 2356 | goto out; |
| 2357 | |
| 2358 | vf->spoofchk = enable; |
| 2359 | memset(&ctxt, 0, sizeof(ctxt)); |
Anjali Singhai Jain | fdf0e0b | 2015-03-31 00:45:05 -0700 | [diff] [blame^] | 2360 | ctxt.seid = pf->vsi[vf->lan_vsi_idx]->seid; |
Mitch Williams | c674d12 | 2014-05-20 08:01:40 +0000 | [diff] [blame] | 2361 | ctxt.pf_num = pf->hw.pf_id; |
| 2362 | ctxt.info.valid_sections = cpu_to_le16(I40E_AQ_VSI_PROP_SECURITY_VALID); |
| 2363 | if (enable) |
Greg Rose | 30d71af | 2015-01-29 07:17:17 +0000 | [diff] [blame] | 2364 | ctxt.info.sec_flags |= (I40E_AQ_VSI_SEC_FLAG_ENABLE_VLAN_CHK | |
| 2365 | I40E_AQ_VSI_SEC_FLAG_ENABLE_MAC_CHK); |
Mitch Williams | c674d12 | 2014-05-20 08:01:40 +0000 | [diff] [blame] | 2366 | ret = i40e_aq_update_vsi_params(hw, &ctxt, NULL); |
| 2367 | if (ret) { |
| 2368 | dev_err(&pf->pdev->dev, "Error %d updating VSI parameters\n", |
| 2369 | ret); |
| 2370 | ret = -EIO; |
| 2371 | } |
| 2372 | out: |
| 2373 | return ret; |
| 2374 | } |