blob: 102ca937ddb4213a7e64596eb6521d4e439ce9b4 [file] [log] [blame]
Greg Rose17367272010-01-09 02:25:48 +00001/*******************************************************************************
2
3 Intel 10 Gigabit PCI Express Linux driver
Mark Rustad988d1302015-10-30 15:29:34 -07004 Copyright(c) 1999 - 2015 Intel Corporation.
Greg Rose17367272010-01-09 02:25:48 +00005
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
15 You should have received a copy of the GNU General Public License along with
16 this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
18
19 The full GNU General Public License is included in this distribution in
20 the file called "COPYING".
21
22 Contact Information:
Jacob Kellerb89aae72014-02-22 01:23:50 +000023 Linux NICS <linux.nics@intel.com>
Greg Rose17367272010-01-09 02:25:48 +000024 e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
25 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
26
27*******************************************************************************/
28
Greg Rose17367272010-01-09 02:25:48 +000029#include <linux/types.h>
30#include <linux/module.h>
31#include <linux/pci.h>
32#include <linux/netdevice.h>
33#include <linux/vmalloc.h>
34#include <linux/string.h>
35#include <linux/in.h>
36#include <linux/ip.h>
37#include <linux/tcp.h>
38#include <linux/ipv6.h>
Don Skidmoreaa2bacb2015-04-09 22:03:22 -070039#include <linux/if_bridge.h>
Patrick McHardyf6469682013-04-19 02:04:27 +000040#ifdef NETIF_F_HW_VLAN_CTAG_TX
Greg Rose17367272010-01-09 02:25:48 +000041#include <linux/if_vlan.h>
42#endif
43
44#include "ixgbe.h"
Greg Rosec6bda302011-08-24 02:37:55 +000045#include "ixgbe_type.h"
Greg Rose17367272010-01-09 02:25:48 +000046#include "ixgbe_sriov.h"
47
Greg Rosec6bda302011-08-24 02:37:55 +000048#ifdef CONFIG_PCI_IOV
Emil Tantilov5c11f002017-01-20 14:11:56 -080049static inline void ixgbe_alloc_vf_macvlans(struct ixgbe_adapter *adapter,
50 unsigned int num_vfs)
Emil Tantilov2bc09722017-01-20 14:11:45 -080051{
52 struct ixgbe_hw *hw = &adapter->hw;
53 struct vf_macvlans *mv_list;
54 int num_vf_macvlans, i;
55
56 num_vf_macvlans = hw->mac.num_rar_entries -
Emil Tantilov5c11f002017-01-20 14:11:56 -080057 (IXGBE_MAX_PF_MACVLANS + 1 + num_vfs);
Emil Tantilov2bc09722017-01-20 14:11:45 -080058 if (!num_vf_macvlans)
59 return;
60
61 mv_list = kcalloc(num_vf_macvlans, sizeof(struct vf_macvlans),
62 GFP_KERNEL);
63 if (mv_list) {
64 /* Initialize list of VF macvlans */
65 INIT_LIST_HEAD(&adapter->vf_mvs.l);
66 for (i = 0; i < num_vf_macvlans; i++) {
67 mv_list[i].vf = -1;
68 mv_list[i].free = true;
69 list_add(&mv_list[i].l, &adapter->vf_mvs.l);
70 }
71 adapter->mv_list = mv_list;
72 }
73}
74
Emil Tantilov5c11f002017-01-20 14:11:56 -080075static int __ixgbe_enable_sriov(struct ixgbe_adapter *adapter,
76 unsigned int num_vfs)
Greg Rosec6bda302011-08-24 02:37:55 +000077{
78 struct ixgbe_hw *hw = &adapter->hw;
Emil Tantilovda614d02017-01-20 14:11:50 -080079 int i;
Greg Rosec6bda302011-08-24 02:37:55 +000080
Alexander Duyck73079ea2012-07-14 06:48:49 +000081 adapter->flags |= IXGBE_FLAG_SRIOV_ENABLED;
Greg Rosec6bda302011-08-24 02:37:55 +000082
Alexander Duyck73079ea2012-07-14 06:48:49 +000083 /* Enable VMDq flag so device will be set in VM mode */
84 adapter->flags |= IXGBE_FLAG_VMDQ_ENABLED;
85 if (!adapter->ring_feature[RING_F_VMDQ].limit)
86 adapter->ring_feature[RING_F_VMDQ].limit = 1;
Alexander Duyck73079ea2012-07-14 06:48:49 +000087
Emil Tantilov5c11f002017-01-20 14:11:56 -080088 /* Allocate memory for per VF control structures */
89 adapter->vfinfo = kcalloc(num_vfs, sizeof(struct vf_data_storage),
90 GFP_KERNEL);
Emil Tantilovda614d02017-01-20 14:11:50 -080091 if (!adapter->vfinfo)
92 return -ENOMEM;
93
Emil Tantilov5c11f002017-01-20 14:11:56 -080094 adapter->num_vfs = num_vfs;
95
96 ixgbe_alloc_vf_macvlans(adapter, num_vfs);
97 adapter->ring_feature[RING_F_VMDQ].offset = num_vfs;
Emil Tantilovda614d02017-01-20 14:11:50 -080098
John Fastabend815cccb2012-10-24 08:13:09 +000099 /* Initialize default switching mode VEB */
100 IXGBE_WRITE_REG(hw, IXGBE_PFDTXGSWC, IXGBE_PFDTXGSWC_VT_LBEN);
Don Skidmoreaa2bacb2015-04-09 22:03:22 -0700101 adapter->bridge_mode = BRIDGE_MODE_VEB;
John Fastabend815cccb2012-10-24 08:13:09 +0000102
Emil Tantilovda614d02017-01-20 14:11:50 -0800103 /* limit trafffic classes based on VFs enabled */
Emil Tantilov5c11f002017-01-20 14:11:56 -0800104 if ((adapter->hw.mac.type == ixgbe_mac_82599EB) && (num_vfs < 16)) {
Emil Tantilovda614d02017-01-20 14:11:50 -0800105 adapter->dcb_cfg.num_tcs.pg_tcs = MAX_TRAFFIC_CLASS;
106 adapter->dcb_cfg.num_tcs.pfc_tcs = MAX_TRAFFIC_CLASS;
Emil Tantilov5c11f002017-01-20 14:11:56 -0800107 } else if (num_vfs < 32) {
Emil Tantilovda614d02017-01-20 14:11:50 -0800108 adapter->dcb_cfg.num_tcs.pg_tcs = 4;
109 adapter->dcb_cfg.num_tcs.pfc_tcs = 4;
110 } else {
111 adapter->dcb_cfg.num_tcs.pg_tcs = 1;
112 adapter->dcb_cfg.num_tcs.pfc_tcs = 1;
Greg Rosec6bda302011-08-24 02:37:55 +0000113 }
114
Emil Tantilovda614d02017-01-20 14:11:50 -0800115 /* Disable RSC when in SR-IOV mode */
116 adapter->flags2 &= ~(IXGBE_FLAG2_RSC_CAPABLE |
117 IXGBE_FLAG2_RSC_ENABLED);
118
Emil Tantilov5c11f002017-01-20 14:11:56 -0800119 for (i = 0; i < num_vfs; i++) {
Emil Tantilovda614d02017-01-20 14:11:50 -0800120 /* enable spoof checking for all VFs */
121 adapter->vfinfo[i].spoofchk_enabled = true;
122
123 /* We support VF RSS querying only for 82599 and x540
124 * devices at the moment. These devices share RSS
125 * indirection table and RSS hash key with PF therefore
126 * we want to disable the querying by default.
127 */
128 adapter->vfinfo[i].rss_query_enabled = 0;
129
130 /* Untrust all VFs */
131 adapter->vfinfo[i].trusted = false;
132
133 /* set the default xcast mode */
134 adapter->vfinfo[i].xcast_mode = IXGBEVF_XCAST_MODE_NONE;
135 }
136
Emil Tantilov5c11f002017-01-20 14:11:56 -0800137 e_info(probe, "SR-IOV enabled with %d VFs\n", num_vfs);
Emil Tantilovda614d02017-01-20 14:11:50 -0800138 return 0;
Greg Rose66dcfd72012-12-11 08:26:38 +0000139}
140
Mark Rustad988d1302015-10-30 15:29:34 -0700141/**
142 * ixgbe_get_vfs - Find and take references to all vf devices
143 * @adapter: Pointer to adapter struct
144 */
145static void ixgbe_get_vfs(struct ixgbe_adapter *adapter)
146{
147 struct pci_dev *pdev = adapter->pdev;
148 u16 vendor = pdev->vendor;
149 struct pci_dev *vfdev;
150 int vf = 0;
151 u16 vf_id;
152 int pos;
153
154 pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_SRIOV);
155 if (!pos)
156 return;
157 pci_read_config_word(pdev, pos + PCI_SRIOV_VF_DID, &vf_id);
158
159 vfdev = pci_get_device(vendor, vf_id, NULL);
160 for (; vfdev; vfdev = pci_get_device(vendor, vf_id, vfdev)) {
161 if (!vfdev->is_virtfn)
162 continue;
163 if (vfdev->physfn != pdev)
164 continue;
165 if (vf >= adapter->num_vfs)
166 continue;
167 pci_dev_get(vfdev);
168 adapter->vfinfo[vf].vfdev = vfdev;
169 ++vf;
170 }
171}
172
Greg Rose66dcfd72012-12-11 08:26:38 +0000173/* Note this function is called when the user wants to enable SR-IOV
174 * VFs using the now deprecated module parameter
175 */
Emil Tantilov5c11f002017-01-20 14:11:56 -0800176void ixgbe_enable_sriov(struct ixgbe_adapter *adapter, unsigned int max_vfs)
Greg Rose66dcfd72012-12-11 08:26:38 +0000177{
178 int pre_existing_vfs = 0;
Emil Tantilov5c11f002017-01-20 14:11:56 -0800179 unsigned int num_vfs;
Greg Rose66dcfd72012-12-11 08:26:38 +0000180
181 pre_existing_vfs = pci_num_vf(adapter->pdev);
Emil Tantilov5c11f002017-01-20 14:11:56 -0800182 if (!pre_existing_vfs && !max_vfs)
Greg Rose66dcfd72012-12-11 08:26:38 +0000183 return;
184
Greg Rose66dcfd72012-12-11 08:26:38 +0000185 /* If there are pre-existing VFs then we have to force
186 * use of that many - over ride any module parameter value.
187 * This may result from the user unloading the PF driver
188 * while VFs were assigned to guest VMs or because the VFs
189 * have been created via the new PCI SR-IOV sysfs interface.
190 */
191 if (pre_existing_vfs) {
Emil Tantilov5c11f002017-01-20 14:11:56 -0800192 num_vfs = pre_existing_vfs;
Greg Rose66dcfd72012-12-11 08:26:38 +0000193 dev_warn(&adapter->pdev->dev,
194 "Virtual Functions already enabled for this device - Please reload all VF drivers to avoid spoofed packet errors\n");
195 } else {
196 int err;
197 /*
198 * The 82599 supports up to 64 VFs per physical function
199 * but this implementation limits allocation to 63 so that
200 * basic networking resources are still available to the
Joe Perchesdbedd442015-03-06 20:49:12 -0800201 * physical function. If the user requests greater than
Greg Rose66dcfd72012-12-11 08:26:38 +0000202 * 63 VFs then it is an error - reset to default of zero.
203 */
Emil Tantilov5c11f002017-01-20 14:11:56 -0800204 num_vfs = min_t(unsigned int, max_vfs, IXGBE_MAX_VFS_DRV_LIMIT);
Greg Rose66dcfd72012-12-11 08:26:38 +0000205
Emil Tantilov5c11f002017-01-20 14:11:56 -0800206 err = pci_enable_sriov(adapter->pdev, num_vfs);
Greg Rose66dcfd72012-12-11 08:26:38 +0000207 if (err) {
208 e_err(probe, "Failed to enable PCI sriov: %d\n", err);
Greg Rose66dcfd72012-12-11 08:26:38 +0000209 return;
210 }
211 }
212
Emil Tantilov5c11f002017-01-20 14:11:56 -0800213 if (!__ixgbe_enable_sriov(adapter, num_vfs)) {
Mark Rustad988d1302015-10-30 15:29:34 -0700214 ixgbe_get_vfs(adapter);
Greg Rose66dcfd72012-12-11 08:26:38 +0000215 return;
Mark Rustad988d1302015-10-30 15:29:34 -0700216 }
Greg Rose66dcfd72012-12-11 08:26:38 +0000217
218 /* If we have gotten to this point then there is no memory available
219 * to manage the VF devices - print message and bail.
220 */
Greg Rosec6bda302011-08-24 02:37:55 +0000221 e_err(probe, "Unable to allocate memory for VF Data Storage - "
222 "SRIOV disabled\n");
Alexander Duyck99d74482012-05-09 08:09:25 +0000223 ixgbe_disable_sriov(adapter);
Greg Rosec6bda302011-08-24 02:37:55 +0000224}
Greg Rosec6bda302011-08-24 02:37:55 +0000225
Alexander Duyck92971272012-05-23 02:58:40 +0000226#endif /* #ifdef CONFIG_PCI_IOV */
Greg Roseda36b642012-12-11 08:26:43 +0000227int ixgbe_disable_sriov(struct ixgbe_adapter *adapter)
Greg Rosec6bda302011-08-24 02:37:55 +0000228{
Mark Rustad988d1302015-10-30 15:29:34 -0700229 unsigned int num_vfs = adapter->num_vfs, vf;
Greg Rosec6bda302011-08-24 02:37:55 +0000230 struct ixgbe_hw *hw = &adapter->hw;
Greg Rosec6bda302011-08-24 02:37:55 +0000231 u32 gpie;
232 u32 vmdctl;
Greg Roseda36b642012-12-11 08:26:43 +0000233 int rss;
Greg Rosec6bda302011-08-24 02:37:55 +0000234
Alexander Duyckd773d132012-05-05 05:32:26 +0000235 /* set num VFs to 0 to prevent access to vfinfo */
236 adapter->num_vfs = 0;
237
Mark Rustad988d1302015-10-30 15:29:34 -0700238 /* put the reference to all of the vf devices */
239 for (vf = 0; vf < num_vfs; ++vf) {
240 struct pci_dev *vfdev = adapter->vfinfo[vf].vfdev;
241
242 if (!vfdev)
243 continue;
244 adapter->vfinfo[vf].vfdev = NULL;
245 pci_dev_put(vfdev);
246 }
247
Alexander Duyckd773d132012-05-05 05:32:26 +0000248 /* free VF control structures */
249 kfree(adapter->vfinfo);
250 adapter->vfinfo = NULL;
251
252 /* free macvlan list */
253 kfree(adapter->mv_list);
254 adapter->mv_list = NULL;
255
Alexander Duyck99d74482012-05-09 08:09:25 +0000256 /* if SR-IOV is already disabled then there is nothing to do */
257 if (!(adapter->flags & IXGBE_FLAG_SRIOV_ENABLED))
Greg Roseda36b642012-12-11 08:26:43 +0000258 return 0;
Alexander Duyck99d74482012-05-09 08:09:25 +0000259
Greg Rosec6bda302011-08-24 02:37:55 +0000260#ifdef CONFIG_PCI_IOV
Alexander Duyck92971272012-05-23 02:58:40 +0000261 /*
262 * If our VFs are assigned we cannot shut down SR-IOV
263 * without causing issues, so just leave the hardware
264 * available but disabled
265 */
Alexander Duycke507d0c2013-03-26 00:03:21 +0000266 if (pci_vfs_assigned(adapter->pdev)) {
Alexander Duyck92971272012-05-23 02:58:40 +0000267 e_dev_warn("Unloading driver while VFs are assigned - VFs will not be deallocated\n");
Greg Roseda36b642012-12-11 08:26:43 +0000268 return -EPERM;
David S. Millerd47e12d2012-07-22 12:36:41 -0700269 }
Greg Rosec6bda302011-08-24 02:37:55 +0000270 /* disable iov and allow time for transactions to clear */
271 pci_disable_sriov(adapter->pdev);
272#endif
273
274 /* turn off device IOV mode */
Alexander Duyck73079ea2012-07-14 06:48:49 +0000275 IXGBE_WRITE_REG(hw, IXGBE_GCR_EXT, 0);
Greg Rosec6bda302011-08-24 02:37:55 +0000276 gpie = IXGBE_READ_REG(hw, IXGBE_GPIE);
277 gpie &= ~IXGBE_GPIE_VTMODE_MASK;
278 IXGBE_WRITE_REG(hw, IXGBE_GPIE, gpie);
279
280 /* set default pool back to 0 */
281 vmdctl = IXGBE_READ_REG(hw, IXGBE_VT_CTL);
282 vmdctl &= ~IXGBE_VT_CTL_POOL_MASK;
283 IXGBE_WRITE_REG(hw, IXGBE_VT_CTL, vmdctl);
284 IXGBE_WRITE_FLUSH(hw);
285
Alexander Duyck1d9c0bf2012-05-05 05:32:21 +0000286 /* Disable VMDq flag so device will be set in VM mode */
John Fastabend2a47fa42013-11-06 09:54:52 -0800287 if (adapter->ring_feature[RING_F_VMDQ].limit == 1) {
Alexander Duyck1d9c0bf2012-05-05 05:32:21 +0000288 adapter->flags &= ~IXGBE_FLAG_VMDQ_ENABLED;
John Fastabend2a47fa42013-11-06 09:54:52 -0800289 adapter->flags &= ~IXGBE_FLAG_SRIOV_ENABLED;
Don Skidmore0f9b2322014-11-18 09:35:08 +0000290 rss = min_t(int, ixgbe_max_rss_indices(adapter),
291 num_online_cpus());
John Fastabend2a47fa42013-11-06 09:54:52 -0800292 } else {
293 rss = min_t(int, IXGBE_MAX_L2A_QUEUES, num_online_cpus());
294 }
Alexander Duyck1d9c0bf2012-05-05 05:32:21 +0000295
John Fastabend2a47fa42013-11-06 09:54:52 -0800296 adapter->ring_feature[RING_F_VMDQ].offset = 0;
Greg Roseda36b642012-12-11 08:26:43 +0000297 adapter->ring_feature[RING_F_RSS].limit = rss;
298
Greg Rosec6bda302011-08-24 02:37:55 +0000299 /* take a breather then clean up driver data */
300 msleep(100);
Greg Roseda36b642012-12-11 08:26:43 +0000301 return 0;
302}
303
304static int ixgbe_pci_sriov_enable(struct pci_dev *dev, int num_vfs)
305{
306#ifdef CONFIG_PCI_IOV
307 struct ixgbe_adapter *adapter = pci_get_drvdata(dev);
308 int err = 0;
Usha Ketinenib5d8acb2016-12-23 10:08:14 -0800309 u8 num_tc;
Greg Roseda36b642012-12-11 08:26:43 +0000310 int i;
311 int pre_existing_vfs = pci_num_vf(dev);
312
313 if (pre_existing_vfs && pre_existing_vfs != num_vfs)
314 err = ixgbe_disable_sriov(adapter);
315 else if (pre_existing_vfs && pre_existing_vfs == num_vfs)
Mark Rustade90dd262014-07-22 06:51:08 +0000316 return num_vfs;
Greg Roseda36b642012-12-11 08:26:43 +0000317
318 if (err)
Mark Rustade90dd262014-07-22 06:51:08 +0000319 return err;
Greg Roseda36b642012-12-11 08:26:43 +0000320
Jacob Kelleraac2f1b2014-08-21 06:17:59 +0000321 /* While the SR-IOV capability structure reports total VFs to be 64,
Usha Ketinenib5d8acb2016-12-23 10:08:14 -0800322 * we limit the actual number allocated as below based on two factors.
323 * Num_TCs MAX_VFs
324 * 1 63
325 * <=4 31
326 * >4 15
Jacob Kelleraac2f1b2014-08-21 06:17:59 +0000327 * First, we reserve some transmit/receive resources for the PF.
328 * Second, VMDQ also uses the same pools that SR-IOV does. We need to
329 * account for this, so that we don't accidentally allocate more VFs
330 * than we have available pools. The PCI bus driver already checks for
331 * other values out of range.
Greg Roseda36b642012-12-11 08:26:43 +0000332 */
Usha Ketinenib5d8acb2016-12-23 10:08:14 -0800333 num_tc = netdev_get_num_tc(adapter->netdev);
Greg Roseda36b642012-12-11 08:26:43 +0000334
Usha Ketinenib5d8acb2016-12-23 10:08:14 -0800335 if (num_tc > 4) {
336 if ((num_vfs + adapter->num_rx_pools) > IXGBE_MAX_VFS_8TC) {
337 e_dev_err("Currently the device is configured with %d TCs, Creating more than %d VFs is not allowed\n", num_tc, IXGBE_MAX_VFS_8TC);
338 return -EPERM;
339 }
340 } else if ((num_tc > 1) && (num_tc <= 4)) {
341 if ((num_vfs + adapter->num_rx_pools) > IXGBE_MAX_VFS_4TC) {
342 e_dev_err("Currently the device is configured with %d TCs, Creating more than %d VFs is not allowed\n", num_tc, IXGBE_MAX_VFS_4TC);
343 return -EPERM;
344 }
345 } else {
346 if ((num_vfs + adapter->num_rx_pools) > IXGBE_MAX_VFS_1TC) {
347 e_dev_err("Currently the device is configured with %d TCs, Creating more than %d VFs is not allowed\n", num_tc, IXGBE_MAX_VFS_1TC);
348 return -EPERM;
349 }
350 }
Greg Roseda36b642012-12-11 08:26:43 +0000351
Emil Tantilov5c11f002017-01-20 14:11:56 -0800352 err = __ixgbe_enable_sriov(adapter, num_vfs);
Greg Roseda36b642012-12-11 08:26:43 +0000353 if (err)
Mark Rustade90dd262014-07-22 06:51:08 +0000354 return err;
Greg Roseda36b642012-12-11 08:26:43 +0000355
Emil Tantilov5c11f002017-01-20 14:11:56 -0800356 for (i = 0; i < num_vfs; i++)
Greg Roseda36b642012-12-11 08:26:43 +0000357 ixgbe_vf_configuration(dev, (i | 0x10000000));
358
Emil Tantilov0c339bf2016-09-09 12:59:10 -0700359 /* reset before enabling SRIOV to avoid mailbox issues */
360 ixgbe_sriov_reinit(adapter);
361
Greg Roseda36b642012-12-11 08:26:43 +0000362 err = pci_enable_sriov(dev, num_vfs);
363 if (err) {
364 e_dev_warn("Failed to enable PCI sriov: %d\n", err);
Mark Rustade90dd262014-07-22 06:51:08 +0000365 return err;
Greg Roseda36b642012-12-11 08:26:43 +0000366 }
Mark Rustad988d1302015-10-30 15:29:34 -0700367 ixgbe_get_vfs(adapter);
Greg Roseda36b642012-12-11 08:26:43 +0000368
Greg Roseda36b642012-12-11 08:26:43 +0000369 return num_vfs;
Mark Rustade90dd262014-07-22 06:51:08 +0000370#else
Greg Roseda36b642012-12-11 08:26:43 +0000371 return 0;
Mark Rustade90dd262014-07-22 06:51:08 +0000372#endif
Greg Roseda36b642012-12-11 08:26:43 +0000373}
374
375static int ixgbe_pci_sriov_disable(struct pci_dev *dev)
376{
377 struct ixgbe_adapter *adapter = pci_get_drvdata(dev);
378 int err;
Don Skidmore8f48f5b2013-11-22 04:27:23 +0000379#ifdef CONFIG_PCI_IOV
Greg Roseda36b642012-12-11 08:26:43 +0000380 u32 current_flags = adapter->flags;
Don Skidmore8f48f5b2013-11-22 04:27:23 +0000381#endif
Greg Roseda36b642012-12-11 08:26:43 +0000382
383 err = ixgbe_disable_sriov(adapter);
384
385 /* Only reinit if no error and state changed */
Greg Roseda36b642012-12-11 08:26:43 +0000386#ifdef CONFIG_PCI_IOV
John Fastabend2a47fa42013-11-06 09:54:52 -0800387 if (!err && current_flags != adapter->flags)
Greg Roseda36b642012-12-11 08:26:43 +0000388 ixgbe_sriov_reinit(adapter);
389#endif
Greg Roseda36b642012-12-11 08:26:43 +0000390
391 return err;
392}
393
394int ixgbe_pci_sriov_configure(struct pci_dev *dev, int num_vfs)
395{
396 if (num_vfs == 0)
397 return ixgbe_pci_sriov_disable(dev);
398 else
399 return ixgbe_pci_sriov_enable(dev, num_vfs);
Greg Rosec6bda302011-08-24 02:37:55 +0000400}
401
Emil Tantilov5d5b7c32010-10-12 22:20:59 +0000402static int ixgbe_set_vf_multicasts(struct ixgbe_adapter *adapter,
Alexander Duyck58a02be2012-07-20 08:09:17 +0000403 u32 *msgbuf, u32 vf)
Greg Rose17367272010-01-09 02:25:48 +0000404{
Alexander Duyck58a02be2012-07-20 08:09:17 +0000405 int entries = (msgbuf[0] & IXGBE_VT_MSGINFO_MASK)
406 >> IXGBE_VT_MSGINFO_SHIFT;
407 u16 *hash_list = (u16 *)&msgbuf[1];
Greg Rose17367272010-01-09 02:25:48 +0000408 struct vf_data_storage *vfinfo = &adapter->vfinfo[vf];
Greg Rose8a07a222010-05-05 19:57:30 +0000409 struct ixgbe_hw *hw = &adapter->hw;
Greg Rose17367272010-01-09 02:25:48 +0000410 int i;
Greg Rose8a07a222010-05-05 19:57:30 +0000411 u32 vector_bit;
412 u32 vector_reg;
413 u32 mta_reg;
Jacob Kellerb335e752014-03-25 07:45:27 +0000414 u32 vmolr = IXGBE_READ_REG(hw, IXGBE_VMOLR(vf));
Greg Rose17367272010-01-09 02:25:48 +0000415
416 /* only so many hash values supported */
417 entries = min(entries, IXGBE_MAX_VF_MC_ENTRIES);
418
419 /*
420 * salt away the number of multi cast addresses assigned
421 * to this VF for later use to restore when the PF multi cast
422 * list changes
423 */
424 vfinfo->num_vf_mc_hashes = entries;
425
426 /*
427 * VFs are limited to using the MTA hash table for their multicast
428 * addresses
429 */
430 for (i = 0; i < entries; i++) {
Joe Perchese81a1ba2010-11-14 17:04:33 +0000431 vfinfo->vf_mc_hashes[i] = hash_list[i];
Greg Rose17367272010-01-09 02:25:48 +0000432 }
433
Greg Rose8a07a222010-05-05 19:57:30 +0000434 for (i = 0; i < vfinfo->num_vf_mc_hashes; i++) {
435 vector_reg = (vfinfo->vf_mc_hashes[i] >> 5) & 0x7F;
436 vector_bit = vfinfo->vf_mc_hashes[i] & 0x1F;
437 mta_reg = IXGBE_READ_REG(hw, IXGBE_MTA(vector_reg));
Jacob Kellerb4f47a42016-04-13 16:08:22 -0700438 mta_reg |= BIT(vector_bit);
Greg Rose8a07a222010-05-05 19:57:30 +0000439 IXGBE_WRITE_REG(hw, IXGBE_MTA(vector_reg), mta_reg);
440 }
Jacob Kellerb335e752014-03-25 07:45:27 +0000441 vmolr |= IXGBE_VMOLR_ROMPE;
442 IXGBE_WRITE_REG(hw, IXGBE_VMOLR(vf), vmolr);
Greg Rose17367272010-01-09 02:25:48 +0000443
444 return 0;
445}
446
Jacob Kellerb335e752014-03-25 07:45:27 +0000447#ifdef CONFIG_PCI_IOV
Greg Rose17367272010-01-09 02:25:48 +0000448void ixgbe_restore_vf_multicasts(struct ixgbe_adapter *adapter)
449{
450 struct ixgbe_hw *hw = &adapter->hw;
451 struct vf_data_storage *vfinfo;
452 int i, j;
453 u32 vector_bit;
454 u32 vector_reg;
455 u32 mta_reg;
456
457 for (i = 0; i < adapter->num_vfs; i++) {
Jacob Kellerb335e752014-03-25 07:45:27 +0000458 u32 vmolr = IXGBE_READ_REG(hw, IXGBE_VMOLR(i));
Greg Rose17367272010-01-09 02:25:48 +0000459 vfinfo = &adapter->vfinfo[i];
460 for (j = 0; j < vfinfo->num_vf_mc_hashes; j++) {
461 hw->addr_ctrl.mta_in_use++;
462 vector_reg = (vfinfo->vf_mc_hashes[j] >> 5) & 0x7F;
463 vector_bit = vfinfo->vf_mc_hashes[j] & 0x1F;
464 mta_reg = IXGBE_READ_REG(hw, IXGBE_MTA(vector_reg));
Jacob Kellerb4f47a42016-04-13 16:08:22 -0700465 mta_reg |= BIT(vector_bit);
Greg Rose17367272010-01-09 02:25:48 +0000466 IXGBE_WRITE_REG(hw, IXGBE_MTA(vector_reg), mta_reg);
467 }
Jacob Kellerb335e752014-03-25 07:45:27 +0000468
469 if (vfinfo->num_vf_mc_hashes)
470 vmolr |= IXGBE_VMOLR_ROMPE;
471 else
472 vmolr &= ~IXGBE_VMOLR_ROMPE;
473 IXGBE_WRITE_REG(hw, IXGBE_VMOLR(i), vmolr);
Greg Rose17367272010-01-09 02:25:48 +0000474 }
Greg Rosea1cbb15c2011-05-13 01:33:48 +0000475
476 /* Restore any VF macvlans */
Jacob Keller5d7daa32014-03-29 06:51:25 +0000477 ixgbe_full_sync_mac_table(adapter);
Greg Rose17367272010-01-09 02:25:48 +0000478}
Jacob Kellerb335e752014-03-25 07:45:27 +0000479#endif
Greg Rose17367272010-01-09 02:25:48 +0000480
Emil Tantilov5d5b7c32010-10-12 22:20:59 +0000481static int ixgbe_set_vf_vlan(struct ixgbe_adapter *adapter, int add, int vid,
482 u32 vf)
Greg Rose17367272010-01-09 02:25:48 +0000483{
Alexander Duyckb6488b62015-11-02 17:10:01 -0800484 struct ixgbe_hw *hw = &adapter->hw;
485 int err;
486
Alexander Duyckb6488b62015-11-02 17:10:01 -0800487 /* If VLAN overlaps with one the PF is currently monitoring make
488 * sure that we are able to allocate a VLVF entry. This may be
489 * redundant but it guarantees PF will maintain visibility to
490 * the VLAN.
491 */
492 if (add && test_bit(vid, adapter->active_vlans)) {
493 err = hw->mac.ops.set_vfta(hw, vid, VMDQ_P(0), true, false);
494 if (err)
495 return err;
496 }
497
498 err = hw->mac.ops.set_vfta(hw, vid, vf, !!add, false);
499
Alexander Duycke1d0a2a2015-11-02 17:10:19 -0800500 if (add && !err)
501 return err;
502
503 /* If we failed to add the VF VLAN or we are removing the VF VLAN
504 * we may need to drop the PF pool bit in order to allow us to free
505 * up the VLVF resources.
506 */
507 if (test_bit(vid, adapter->active_vlans) ||
508 (adapter->flags2 & IXGBE_FLAG2_VLAN_PROMISC))
509 ixgbe_update_pf_promisc_vlvf(adapter, vid);
510
Alexander Duyckb6488b62015-11-02 17:10:01 -0800511 return err;
Greg Rose17367272010-01-09 02:25:48 +0000512}
513
Alexander Duyck872844d2012-08-15 02:10:43 +0000514static s32 ixgbe_set_vf_lpe(struct ixgbe_adapter *adapter, u32 *msgbuf, u32 vf)
Greg Rosee9f98072011-01-26 01:06:07 +0000515{
516 struct ixgbe_hw *hw = &adapter->hw;
Alexander Duyck872844d2012-08-15 02:10:43 +0000517 int max_frame = msgbuf[1];
Greg Rosee9f98072011-01-26 01:06:07 +0000518 u32 max_frs;
Greg Rosee9f98072011-01-26 01:06:07 +0000519
Alexander Duyck872844d2012-08-15 02:10:43 +0000520 /*
521 * For 82599EB we have to keep all PFs and VFs operating with
522 * the same max_frame value in order to avoid sending an oversize
523 * frame to a VF. In order to guarantee this is handled correctly
524 * for all cases we have several special exceptions to take into
525 * account before we can enable the VF for receive
526 */
527 if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
528 struct net_device *dev = adapter->netdev;
529 int pf_max_frame = dev->mtu + ETH_HLEN;
530 u32 reg_offset, vf_shift, vfre;
531 s32 err = 0;
Greg Rosee9f98072011-01-26 01:06:07 +0000532
Alexander Duyck872844d2012-08-15 02:10:43 +0000533#ifdef CONFIG_FCOE
534 if (dev->features & NETIF_F_FCOE_MTU)
535 pf_max_frame = max_t(int, pf_max_frame,
536 IXGBE_FCOE_JUMBO_FRAME_SIZE);
537
538#endif /* CONFIG_FCOE */
Alexander Duyckbffb3bc2012-07-20 08:09:37 +0000539 switch (adapter->vfinfo[vf].vf_api) {
540 case ixgbe_mbox_api_11:
Vlad Zolotarov4ce37a42015-04-01 11:24:54 +0300541 case ixgbe_mbox_api_12:
Don Skidmore07eea572016-12-15 21:18:32 -0500542 case ixgbe_mbox_api_13:
Alexander Duyckbffb3bc2012-07-20 08:09:37 +0000543 /*
544 * Version 1.1 supports jumbo frames on VFs if PF has
545 * jumbo frames enabled which means legacy VFs are
546 * disabled
547 */
548 if (pf_max_frame > ETH_FRAME_LEN)
549 break;
550 default:
551 /*
552 * If the PF or VF are running w/ jumbo frames enabled
553 * we need to shut down the VF Rx path as we cannot
554 * support jumbo frames on legacy VFs
555 */
556 if ((pf_max_frame > ETH_FRAME_LEN) ||
557 (max_frame > (ETH_FRAME_LEN + ETH_FCS_LEN)))
558 err = -EINVAL;
559 break;
560 }
Alexander Duyck872844d2012-08-15 02:10:43 +0000561
562 /* determine VF receive enable location */
563 vf_shift = vf % 32;
564 reg_offset = vf / 32;
565
566 /* enable or disable receive depending on error */
567 vfre = IXGBE_READ_REG(hw, IXGBE_VFRE(reg_offset));
568 if (err)
Jacob Kellerb4f47a42016-04-13 16:08:22 -0700569 vfre &= ~BIT(vf_shift);
Alexander Duyck872844d2012-08-15 02:10:43 +0000570 else
Jacob Kellerb4f47a42016-04-13 16:08:22 -0700571 vfre |= BIT(vf_shift);
Alexander Duyck872844d2012-08-15 02:10:43 +0000572 IXGBE_WRITE_REG(hw, IXGBE_VFRE(reg_offset), vfre);
573
574 if (err) {
575 e_err(drv, "VF max_frame %d out of range\n", max_frame);
576 return err;
577 }
Greg Rosee9f98072011-01-26 01:06:07 +0000578 }
579
Alexander Duyck872844d2012-08-15 02:10:43 +0000580 /* MTU < 68 is an error and causes problems on some kernels */
581 if (max_frame > IXGBE_MAX_JUMBO_FRAME_SIZE) {
582 e_err(drv, "VF max_frame %d out of range\n", max_frame);
583 return -EINVAL;
584 }
585
586 /* pull current max frame size from hardware */
587 max_frs = IXGBE_READ_REG(hw, IXGBE_MAXFRS);
588 max_frs &= IXGBE_MHADD_MFS_MASK;
589 max_frs >>= IXGBE_MHADD_MFS_SHIFT;
590
591 if (max_frs < max_frame) {
592 max_frs = max_frame << IXGBE_MHADD_MFS_SHIFT;
Greg Rosee9f98072011-01-26 01:06:07 +0000593 IXGBE_WRITE_REG(hw, IXGBE_MAXFRS, max_frs);
594 }
595
Alexander Duyck872844d2012-08-15 02:10:43 +0000596 e_info(hw, "VF requests change max MTU to %d\n", max_frame);
597
598 return 0;
Greg Rosee9f98072011-01-26 01:06:07 +0000599}
600
Emil Tantilov5d5b7c32010-10-12 22:20:59 +0000601static void ixgbe_set_vmolr(struct ixgbe_hw *hw, u32 vf, bool aupe)
Greg Rose17367272010-01-09 02:25:48 +0000602{
603 u32 vmolr = IXGBE_READ_REG(hw, IXGBE_VMOLR(vf));
Jacob Kellerb335e752014-03-25 07:45:27 +0000604 vmolr |= IXGBE_VMOLR_BAM;
Greg Rosef0412772010-05-04 22:11:46 +0000605 if (aupe)
606 vmolr |= IXGBE_VMOLR_AUPE;
607 else
608 vmolr &= ~IXGBE_VMOLR_AUPE;
Greg Rose17367272010-01-09 02:25:48 +0000609 IXGBE_WRITE_REG(hw, IXGBE_VMOLR(vf), vmolr);
610}
611
Alexander Duyck107d3012012-10-02 00:17:03 +0000612static void ixgbe_clear_vmvir(struct ixgbe_adapter *adapter, u32 vf)
Greg Rose7f016482010-05-04 22:12:06 +0000613{
614 struct ixgbe_hw *hw = &adapter->hw;
615
Alexander Duyck107d3012012-10-02 00:17:03 +0000616 IXGBE_WRITE_REG(hw, IXGBE_VMVIR(vf), 0);
Greg Rose7f016482010-05-04 22:12:06 +0000617}
Alexander Duyck4c7f35f2015-11-02 17:10:32 -0800618
619static void ixgbe_clear_vf_vlans(struct ixgbe_adapter *adapter, u32 vf)
620{
621 struct ixgbe_hw *hw = &adapter->hw;
Alexander Duyck18be4fc2016-01-06 22:48:44 -0800622 u32 vlvfb_mask, pool_mask, i;
623
624 /* create mask for VF and other pools */
Jacob Kellerb4f47a42016-04-13 16:08:22 -0700625 pool_mask = ~BIT(VMDQ_P(0) % 32);
626 vlvfb_mask = BIT(vf % 32);
Alexander Duyck4c7f35f2015-11-02 17:10:32 -0800627
628 /* post increment loop, covers VLVF_ENTRIES - 1 to 0 */
629 for (i = IXGBE_VLVF_ENTRIES; i--;) {
Alexander Duyck4c7f35f2015-11-02 17:10:32 -0800630 u32 bits[2], vlvfb, vid, vfta, vlvf;
Alexander Duyckab3a3b72015-12-23 09:00:35 -0800631 u32 word = i * 2 + vf / 32;
Alexander Duyck18be4fc2016-01-06 22:48:44 -0800632 u32 mask;
Alexander Duyck4c7f35f2015-11-02 17:10:32 -0800633
Alexander Duyckab3a3b72015-12-23 09:00:35 -0800634 vlvfb = IXGBE_READ_REG(hw, IXGBE_VLVFB(word));
Alexander Duyck4c7f35f2015-11-02 17:10:32 -0800635
636 /* if our bit isn't set we can skip it */
Alexander Duyck18be4fc2016-01-06 22:48:44 -0800637 if (!(vlvfb & vlvfb_mask))
Alexander Duyck4c7f35f2015-11-02 17:10:32 -0800638 continue;
639
640 /* clear our bit from vlvfb */
Alexander Duyck18be4fc2016-01-06 22:48:44 -0800641 vlvfb ^= vlvfb_mask;
Alexander Duyck4c7f35f2015-11-02 17:10:32 -0800642
643 /* create 64b mask to chedk to see if we should clear VLVF */
644 bits[word % 2] = vlvfb;
Alexander Duyckab3a3b72015-12-23 09:00:35 -0800645 bits[~word % 2] = IXGBE_READ_REG(hw, IXGBE_VLVFB(word ^ 1));
Alexander Duyck4c7f35f2015-11-02 17:10:32 -0800646
Alexander Duyck4c7f35f2015-11-02 17:10:32 -0800647 /* if other pools are present, just remove ourselves */
Alexander Duyck18be4fc2016-01-06 22:48:44 -0800648 if (bits[(VMDQ_P(0) / 32) ^ 1] ||
649 (bits[VMDQ_P(0) / 32] & pool_mask))
Alexander Duyck4c7f35f2015-11-02 17:10:32 -0800650 goto update_vlvfb;
651
Alexander Duyck18be4fc2016-01-06 22:48:44 -0800652 /* if PF is present, leave VFTA */
653 if (bits[0] || bits[1])
654 goto update_vlvf;
655
Alexander Duyck4c7f35f2015-11-02 17:10:32 -0800656 /* if we cannot determine VLAN just remove ourselves */
657 vlvf = IXGBE_READ_REG(hw, IXGBE_VLVF(i));
658 if (!vlvf)
659 goto update_vlvfb;
660
661 vid = vlvf & VLAN_VID_MASK;
Jacob Kellerb4f47a42016-04-13 16:08:22 -0700662 mask = BIT(vid % 32);
Alexander Duyck4c7f35f2015-11-02 17:10:32 -0800663
664 /* clear bit from VFTA */
665 vfta = IXGBE_READ_REG(hw, IXGBE_VFTA(vid / 32));
666 if (vfta & mask)
667 IXGBE_WRITE_REG(hw, IXGBE_VFTA(vid / 32), vfta ^ mask);
668update_vlvf:
669 /* clear POOL selection enable */
670 IXGBE_WRITE_REG(hw, IXGBE_VLVF(i), 0);
Alexander Duyck18be4fc2016-01-06 22:48:44 -0800671
672 if (!(adapter->flags2 & IXGBE_FLAG2_VLAN_PROMISC))
673 vlvfb = 0;
Alexander Duyck4c7f35f2015-11-02 17:10:32 -0800674update_vlvfb:
675 /* clear pool bits */
676 IXGBE_WRITE_REG(hw, IXGBE_VLVFB(word), vlvfb);
677 }
678}
679
Emil Tantilov5d5b7c32010-10-12 22:20:59 +0000680static inline void ixgbe_vf_reset_event(struct ixgbe_adapter *adapter, u32 vf)
Greg Rose17367272010-01-09 02:25:48 +0000681{
682 struct ixgbe_hw *hw = &adapter->hw;
Alexander Duyck107d3012012-10-02 00:17:03 +0000683 struct vf_data_storage *vfinfo = &adapter->vfinfo[vf];
Alexander Duyck107d3012012-10-02 00:17:03 +0000684 u8 num_tcs = netdev_get_num_tc(adapter->netdev);
685
Alexander Duyck4c7f35f2015-11-02 17:10:32 -0800686 /* remove VLAN filters beloning to this VF */
687 ixgbe_clear_vf_vlans(adapter, vf);
688
689 /* add back PF assigned VLAN or VLAN 0 */
Alexander Duyck107d3012012-10-02 00:17:03 +0000690 ixgbe_set_vf_vlan(adapter, true, vfinfo->pf_vlan, vf);
Greg Rose17367272010-01-09 02:25:48 +0000691
692 /* reset offloads to defaults */
Alexander Duyck107d3012012-10-02 00:17:03 +0000693 ixgbe_set_vmolr(hw, vf, !vfinfo->pf_vlan);
694
695 /* set outgoing tags for VFs */
696 if (!vfinfo->pf_vlan && !vfinfo->pf_qos && !num_tcs) {
697 ixgbe_clear_vmvir(adapter, vf);
Greg Rose7f016482010-05-04 22:12:06 +0000698 } else {
Alexander Duyck107d3012012-10-02 00:17:03 +0000699 if (vfinfo->pf_qos || !num_tcs)
700 ixgbe_set_vmvir(adapter, vfinfo->pf_vlan,
701 vfinfo->pf_qos, vf);
702 else
703 ixgbe_set_vmvir(adapter, vfinfo->pf_vlan,
704 adapter->default_up, vf);
705
706 if (vfinfo->spoofchk_enabled)
707 hw->mac.ops.set_vlan_anti_spoofing(hw, true, vf);
Greg Rose7f016482010-05-04 22:12:06 +0000708 }
Greg Rose17367272010-01-09 02:25:48 +0000709
710 /* reset multicast table array for vf */
711 adapter->vfinfo[vf].num_vf_mc_hashes = 0;
712
713 /* Flush and reset the mta with the new values */
714 ixgbe_set_rx_mode(adapter->netdev);
715
Jacob Keller5d7daa32014-03-29 06:51:25 +0000716 ixgbe_del_mac_filter(adapter, adapter->vfinfo[vf].vf_mac_addresses, vf);
Alexander Duyck374c65d2012-07-20 08:09:22 +0000717
718 /* reset VF api back to unknown */
719 adapter->vfinfo[vf].vf_api = ixgbe_mbox_api_10;
Greg Rose17367272010-01-09 02:25:48 +0000720}
721
Emil Tantilov5d5b7c32010-10-12 22:20:59 +0000722static int ixgbe_set_vf_mac(struct ixgbe_adapter *adapter,
723 int vf, unsigned char *mac_addr)
Greg Rose17367272010-01-09 02:25:48 +0000724{
Jacob Keller5d7daa32014-03-29 06:51:25 +0000725 ixgbe_del_mac_filter(adapter, adapter->vfinfo[vf].vf_mac_addresses, vf);
Joe Perchesd458cdf2013-10-01 19:04:40 -0700726 memcpy(adapter->vfinfo[vf].vf_mac_addresses, mac_addr, ETH_ALEN);
Jacob Keller5d7daa32014-03-29 06:51:25 +0000727 ixgbe_add_mac_filter(adapter, adapter->vfinfo[vf].vf_mac_addresses, vf);
Greg Rose17367272010-01-09 02:25:48 +0000728
729 return 0;
730}
731
Greg Rosea1cbb15c2011-05-13 01:33:48 +0000732static int ixgbe_set_vf_macvlan(struct ixgbe_adapter *adapter,
733 int vf, int index, unsigned char *mac_addr)
734{
Greg Rosea1cbb15c2011-05-13 01:33:48 +0000735 struct list_head *pos;
736 struct vf_macvlans *entry;
737
738 if (index <= 1) {
739 list_for_each(pos, &adapter->vf_mvs.l) {
740 entry = list_entry(pos, struct vf_macvlans, l);
741 if (entry->vf == vf) {
742 entry->vf = -1;
743 entry->free = true;
744 entry->is_macvlan = false;
Jacob Keller5d7daa32014-03-29 06:51:25 +0000745 ixgbe_del_mac_filter(adapter,
746 entry->vf_macvlan, vf);
Greg Rosea1cbb15c2011-05-13 01:33:48 +0000747 }
748 }
749 }
750
751 /*
752 * If index was zero then we were asked to clear the uc list
753 * for the VF. We're done.
754 */
755 if (!index)
756 return 0;
757
758 entry = NULL;
759
760 list_for_each(pos, &adapter->vf_mvs.l) {
761 entry = list_entry(pos, struct vf_macvlans, l);
762 if (entry->free)
763 break;
764 }
765
766 /*
767 * If we traversed the entire list and didn't find a free entry
768 * then we're out of space on the RAR table. Also entry may
769 * be NULL because the original memory allocation for the list
770 * failed, which is not fatal but does mean we can't support
771 * VF requests for MACVLAN because we couldn't allocate
772 * memory for the list management required.
773 */
774 if (!entry || !entry->free)
775 return -ENOSPC;
776
777 entry->free = false;
778 entry->is_macvlan = true;
779 entry->vf = vf;
780 memcpy(entry->vf_macvlan, mac_addr, ETH_ALEN);
781
Jacob Keller5d7daa32014-03-29 06:51:25 +0000782 ixgbe_add_mac_filter(adapter, mac_addr, vf);
Greg Rosea1cbb15c2011-05-13 01:33:48 +0000783
784 return 0;
785}
786
Greg Rose17367272010-01-09 02:25:48 +0000787int ixgbe_vf_configuration(struct pci_dev *pdev, unsigned int event_mask)
788{
Alexander Duyckc60fbb02010-11-16 19:26:54 -0800789 struct ixgbe_adapter *adapter = pci_get_drvdata(pdev);
Greg Rose17367272010-01-09 02:25:48 +0000790 unsigned int vfn = (event_mask & 0x3f);
791
792 bool enable = ((event_mask & 0x10000000U) != 0);
793
Joe Perchesd458cdf2013-10-01 19:04:40 -0700794 if (enable)
795 eth_zero_addr(adapter->vfinfo[vfn].vf_mac_addresses);
Greg Rose17367272010-01-09 02:25:48 +0000796
797 return 0;
798}
799
Don Skidmore8d697e72014-11-05 04:52:09 +0000800static inline void ixgbe_write_qde(struct ixgbe_adapter *adapter, u32 vf,
801 u32 qde)
802{
803 struct ixgbe_hw *hw = &adapter->hw;
804 struct ixgbe_ring_feature *vmdq = &adapter->ring_feature[RING_F_VMDQ];
805 u32 q_per_pool = __ALIGN_MASK(1, ~vmdq->mask);
806 int i;
807
808 for (i = vf * q_per_pool; i < ((vf + 1) * q_per_pool); i++) {
809 u32 reg;
810
811 /* flush previous write */
812 IXGBE_WRITE_FLUSH(hw);
813
814 /* indicate to hardware that we want to set drop enable */
815 reg = IXGBE_QDE_WRITE | IXGBE_QDE_ENABLE;
816 reg |= i << IXGBE_QDE_IDX_SHIFT;
817 IXGBE_WRITE_REG(hw, IXGBE_QDE, reg);
818 }
819}
820
Alexander Duyck58a02be2012-07-20 08:09:17 +0000821static int ixgbe_vf_reset_msg(struct ixgbe_adapter *adapter, u32 vf)
Greg Rose17367272010-01-09 02:25:48 +0000822{
Alexander Duyck87397372014-01-15 17:38:40 -0800823 struct ixgbe_ring_feature *vmdq = &adapter->ring_feature[RING_F_VMDQ];
Greg Rose17367272010-01-09 02:25:48 +0000824 struct ixgbe_hw *hw = &adapter->hw;
Alexander Duyck58a02be2012-07-20 08:09:17 +0000825 unsigned char *vf_mac = adapter->vfinfo[vf].vf_mac_addresses;
Emil Tantilovb08e1ed2013-07-26 07:34:54 +0000826 u32 reg, reg_offset, vf_shift;
827 u32 msgbuf[4] = {0, 0, 0, 0};
Alexander Duyck58a02be2012-07-20 08:09:17 +0000828 u8 *addr = (u8 *)(&msgbuf[1]);
Alexander Duyck87397372014-01-15 17:38:40 -0800829 u32 q_per_pool = __ALIGN_MASK(1, ~vmdq->mask);
830 int i;
Alexander Duyck58a02be2012-07-20 08:09:17 +0000831
832 e_info(probe, "VF Reset msg received from vf %d\n", vf);
833
834 /* reset the filters for the device */
835 ixgbe_vf_reset_event(adapter, vf);
836
837 /* set vf mac address */
Greg Rose35055922013-02-15 05:20:09 +0000838 if (!is_zero_ether_addr(vf_mac))
839 ixgbe_set_vf_mac(adapter, vf, vf_mac);
Greg Rose17367272010-01-09 02:25:48 +0000840
841 vf_shift = vf % 32;
842 reg_offset = vf / 32;
843
Alexander Duyck58a02be2012-07-20 08:09:17 +0000844 /* enable transmit for vf */
Greg Rose17367272010-01-09 02:25:48 +0000845 reg = IXGBE_READ_REG(hw, IXGBE_VFTE(reg_offset));
Jacob Kellerb4f47a42016-04-13 16:08:22 -0700846 reg |= BIT(vf_shift);
Greg Rose17367272010-01-09 02:25:48 +0000847 IXGBE_WRITE_REG(hw, IXGBE_VFTE(reg_offset), reg);
848
Alexander Duyck87397372014-01-15 17:38:40 -0800849 /* force drop enable for all VF Rx queues */
Don Skidmore8d697e72014-11-05 04:52:09 +0000850 ixgbe_write_qde(adapter, vf, IXGBE_QDE_ENABLE);
Alexander Duyck87397372014-01-15 17:38:40 -0800851
Alexander Duyck58a02be2012-07-20 08:09:17 +0000852 /* enable receive for vf */
Greg Rose17367272010-01-09 02:25:48 +0000853 reg = IXGBE_READ_REG(hw, IXGBE_VFRE(reg_offset));
Jacob Kellerb4f47a42016-04-13 16:08:22 -0700854 reg |= BIT(vf_shift);
Alexander Duyck872844d2012-08-15 02:10:43 +0000855 /*
856 * The 82599 cannot support a mix of jumbo and non-jumbo PF/VFs.
857 * For more info take a look at ixgbe_set_vf_lpe
858 */
859 if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
860 struct net_device *dev = adapter->netdev;
861 int pf_max_frame = dev->mtu + ETH_HLEN;
862
863#ifdef CONFIG_FCOE
864 if (dev->features & NETIF_F_FCOE_MTU)
865 pf_max_frame = max_t(int, pf_max_frame,
866 IXGBE_FCOE_JUMBO_FRAME_SIZE);
867
868#endif /* CONFIG_FCOE */
869 if (pf_max_frame > ETH_FRAME_LEN)
Jacob Kellerb4f47a42016-04-13 16:08:22 -0700870 reg &= ~BIT(vf_shift);
Alexander Duyck872844d2012-08-15 02:10:43 +0000871 }
Greg Rose17367272010-01-09 02:25:48 +0000872 IXGBE_WRITE_REG(hw, IXGBE_VFRE(reg_offset), reg);
873
Alexander Duyck58a02be2012-07-20 08:09:17 +0000874 /* enable VF mailbox for further messages */
875 adapter->vfinfo[vf].clear_to_send = true;
876
Greg Rosea985b6c32010-11-18 03:02:52 +0000877 /* Enable counting of spoofed packets in the SSVPC register */
878 reg = IXGBE_READ_REG(hw, IXGBE_VMECM(reg_offset));
Jacob Kellerb4f47a42016-04-13 16:08:22 -0700879 reg |= BIT(vf_shift);
Greg Rosea985b6c32010-11-18 03:02:52 +0000880 IXGBE_WRITE_REG(hw, IXGBE_VMECM(reg_offset), reg);
881
Alexander Duyckdbf231a2014-01-15 17:38:41 -0800882 /*
883 * Reset the VFs TDWBAL and TDWBAH registers
884 * which are not cleared by an FLR
885 */
886 for (i = 0; i < q_per_pool; i++) {
887 IXGBE_WRITE_REG(hw, IXGBE_PVFTDWBAHn(q_per_pool, vf, i), 0);
888 IXGBE_WRITE_REG(hw, IXGBE_PVFTDWBALn(q_per_pool, vf, i), 0);
889 }
890
Alexander Duyck58a02be2012-07-20 08:09:17 +0000891 /* reply to reset with ack and vf mac address */
Greg Rose35055922013-02-15 05:20:09 +0000892 msgbuf[0] = IXGBE_VF_RESET;
893 if (!is_zero_ether_addr(vf_mac)) {
894 msgbuf[0] |= IXGBE_VT_MSGTYPE_ACK;
895 memcpy(addr, vf_mac, ETH_ALEN);
896 } else {
897 msgbuf[0] |= IXGBE_VT_MSGTYPE_NACK;
898 dev_warn(&adapter->pdev->dev,
899 "VF %d has no MAC address assigned, you may have to assign one manually\n",
900 vf);
901 }
Alexander Duyck58a02be2012-07-20 08:09:17 +0000902
903 /*
904 * Piggyback the multicast filter type so VF can compute the
905 * correct vectors
906 */
907 msgbuf[3] = hw->mac.mc_filter_type;
908 ixgbe_write_mbx(hw, msgbuf, IXGBE_VF_PERMADDR_MSG_LEN, vf);
909
910 return 0;
911}
912
913static int ixgbe_set_vf_mac_addr(struct ixgbe_adapter *adapter,
914 u32 *msgbuf, u32 vf)
915{
916 u8 *new_mac = ((u8 *)(&msgbuf[1]));
917
918 if (!is_valid_ether_addr(new_mac)) {
919 e_warn(drv, "VF %d attempted to set invalid mac\n", vf);
920 return -1;
921 }
922
chas williams1d96cf92016-01-05 17:30:39 -0500923 if (adapter->vfinfo[vf].pf_set_mac && !adapter->vfinfo[vf].trusted &&
dingtianhong4012dda2013-12-30 15:40:50 +0800924 !ether_addr_equal(adapter->vfinfo[vf].vf_mac_addresses, new_mac)) {
Alexander Duyck58a02be2012-07-20 08:09:17 +0000925 e_warn(drv,
926 "VF %d attempted to override administratively set MAC address\n"
927 "Reload the VF driver to resume operations\n",
928 vf);
929 return -1;
930 }
931
Greg Rose3970c322012-09-25 02:25:30 +0000932 return ixgbe_set_vf_mac(adapter, vf, new_mac) < 0;
Alexander Duyck58a02be2012-07-20 08:09:17 +0000933}
934
935static int ixgbe_set_vf_vlan_msg(struct ixgbe_adapter *adapter,
936 u32 *msgbuf, u32 vf)
937{
Alexander Duycke1d0a2a2015-11-02 17:10:19 -0800938 u32 add = (msgbuf[0] & IXGBE_VT_MSGINFO_MASK) >> IXGBE_VT_MSGINFO_SHIFT;
939 u32 vid = (msgbuf[1] & IXGBE_VLVF_VLANID_MASK);
Alexander Duyck107d3012012-10-02 00:17:03 +0000940 u8 tcs = netdev_get_num_tc(adapter->netdev);
Alexander Duyck58a02be2012-07-20 08:09:17 +0000941
Alexander Duyck107d3012012-10-02 00:17:03 +0000942 if (adapter->vfinfo[vf].pf_vlan || tcs) {
Alexander Duyck58a02be2012-07-20 08:09:17 +0000943 e_warn(drv,
944 "VF %d attempted to override administratively set VLAN configuration\n"
945 "Reload the VF driver to resume operations\n",
946 vf);
947 return -1;
948 }
949
Alexander Duyck4c7f35f2015-11-02 17:10:32 -0800950 /* VLAN 0 is a special case, don't allow it to be removed */
951 if (!vid && !add)
952 return 0;
953
Emil Tantilovd3dec7c2016-03-18 16:11:19 -0700954 return ixgbe_set_vf_vlan(adapter, add, vid, vf);
Alexander Duyck58a02be2012-07-20 08:09:17 +0000955}
956
957static int ixgbe_set_vf_macvlan_msg(struct ixgbe_adapter *adapter,
958 u32 *msgbuf, u32 vf)
959{
960 u8 *new_mac = ((u8 *)(&msgbuf[1]));
961 int index = (msgbuf[0] & IXGBE_VT_MSGINFO_MASK) >>
962 IXGBE_VT_MSGINFO_SHIFT;
963 int err;
964
Ken Coxa9d2d532016-11-15 13:00:37 -0600965 if (adapter->vfinfo[vf].pf_set_mac && !adapter->vfinfo[vf].trusted &&
966 index > 0) {
Alexander Duyck58a02be2012-07-20 08:09:17 +0000967 e_warn(drv,
968 "VF %d requested MACVLAN filter but is administratively denied\n",
969 vf);
970 return -1;
971 }
972
973 /* An non-zero index indicates the VF is setting a filter */
974 if (index) {
975 if (!is_valid_ether_addr(new_mac)) {
976 e_warn(drv, "VF %d attempted to set invalid mac\n", vf);
977 return -1;
978 }
979
980 /*
981 * If the VF is allowed to set MAC filters then turn off
982 * anti-spoofing to avoid false positives.
983 */
Emil Tantilov77f192a2016-03-18 16:11:14 -0700984 if (adapter->vfinfo[vf].spoofchk_enabled) {
985 struct ixgbe_hw *hw = &adapter->hw;
986
987 hw->mac.ops.set_mac_anti_spoofing(hw, false, vf);
Emil Tantilov581e0c72016-06-01 18:59:44 -0700988 hw->mac.ops.set_vlan_anti_spoofing(hw, false, vf);
Emil Tantilov77f192a2016-03-18 16:11:14 -0700989 }
Alexander Duyck58a02be2012-07-20 08:09:17 +0000990 }
991
992 err = ixgbe_set_vf_macvlan(adapter, vf, index, new_mac);
993 if (err == -ENOSPC)
994 e_warn(drv,
995 "VF %d has requested a MACVLAN filter but there is no space for it\n",
996 vf);
Greg Rosea3013402012-10-30 00:40:02 +0000997
998 return err < 0;
Greg Rose17367272010-01-09 02:25:48 +0000999}
1000
Alexander Duyck374c65d2012-07-20 08:09:22 +00001001static int ixgbe_negotiate_vf_api(struct ixgbe_adapter *adapter,
1002 u32 *msgbuf, u32 vf)
1003{
1004 int api = msgbuf[1];
1005
1006 switch (api) {
1007 case ixgbe_mbox_api_10:
Alexander Duyckbffb3bc2012-07-20 08:09:37 +00001008 case ixgbe_mbox_api_11:
Vlad Zolotarov4ce37a42015-04-01 11:24:54 +03001009 case ixgbe_mbox_api_12:
Don Skidmore07eea572016-12-15 21:18:32 -05001010 case ixgbe_mbox_api_13:
Alexander Duyck374c65d2012-07-20 08:09:22 +00001011 adapter->vfinfo[vf].vf_api = api;
1012 return 0;
1013 default:
1014 break;
1015 }
1016
1017 e_info(drv, "VF %d requested invalid api version %u\n", vf, api);
1018
1019 return -1;
1020}
1021
Alexander Duyckf591cd92012-07-20 08:09:32 +00001022static int ixgbe_get_vf_queues(struct ixgbe_adapter *adapter,
1023 u32 *msgbuf, u32 vf)
1024{
1025 struct net_device *dev = adapter->netdev;
1026 struct ixgbe_ring_feature *vmdq = &adapter->ring_feature[RING_F_VMDQ];
1027 unsigned int default_tc = 0;
1028 u8 num_tcs = netdev_get_num_tc(dev);
1029
1030 /* verify the PF is supporting the correct APIs */
1031 switch (adapter->vfinfo[vf].vf_api) {
1032 case ixgbe_mbox_api_20:
1033 case ixgbe_mbox_api_11:
Vlad Zolotarov4ce37a42015-04-01 11:24:54 +03001034 case ixgbe_mbox_api_12:
Don Skidmore07eea572016-12-15 21:18:32 -05001035 case ixgbe_mbox_api_13:
Alexander Duyckf591cd92012-07-20 08:09:32 +00001036 break;
1037 default:
1038 return -1;
1039 }
1040
1041 /* only allow 1 Tx queue for bandwidth limiting */
1042 msgbuf[IXGBE_VF_TX_QUEUES] = __ALIGN_MASK(1, ~vmdq->mask);
1043 msgbuf[IXGBE_VF_RX_QUEUES] = __ALIGN_MASK(1, ~vmdq->mask);
1044
1045 /* if TCs > 1 determine which TC belongs to default user priority */
1046 if (num_tcs > 1)
1047 default_tc = netdev_get_prio_tc_map(dev, adapter->default_up);
1048
1049 /* notify VF of need for VLAN tag stripping, and correct queue */
1050 if (num_tcs)
1051 msgbuf[IXGBE_VF_TRANS_VLAN] = num_tcs;
1052 else if (adapter->vfinfo[vf].pf_vlan || adapter->vfinfo[vf].pf_qos)
1053 msgbuf[IXGBE_VF_TRANS_VLAN] = 1;
1054 else
1055 msgbuf[IXGBE_VF_TRANS_VLAN] = 0;
1056
1057 /* notify VF of default queue */
1058 msgbuf[IXGBE_VF_DEF_QUEUE] = default_tc;
1059
1060 return 0;
1061}
1062
Vlad Zolotarov4ce37a42015-04-01 11:24:54 +03001063static int ixgbe_get_vf_reta(struct ixgbe_adapter *adapter, u32 *msgbuf, u32 vf)
1064{
1065 u32 i, j;
1066 u32 *out_buf = &msgbuf[1];
1067 const u8 *reta = adapter->rss_indir_tbl;
1068 u32 reta_size = ixgbe_rss_indir_tbl_entries(adapter);
1069
1070 /* Check if operation is permitted */
1071 if (!adapter->vfinfo[vf].rss_query_enabled)
1072 return -EPERM;
1073
1074 /* verify the PF is supporting the correct API */
Don Skidmore07eea572016-12-15 21:18:32 -05001075 switch (adapter->vfinfo[vf].vf_api) {
1076 case ixgbe_mbox_api_13:
1077 case ixgbe_mbox_api_12:
1078 break;
1079 default:
Vlad Zolotarov4ce37a42015-04-01 11:24:54 +03001080 return -EOPNOTSUPP;
Don Skidmore07eea572016-12-15 21:18:32 -05001081 }
Vlad Zolotarov4ce37a42015-04-01 11:24:54 +03001082
1083 /* This mailbox command is supported (required) only for 82599 and x540
1084 * VFs which support up to 4 RSS queues. Therefore we will compress the
1085 * RETA by saving only 2 bits from each entry. This way we will be able
1086 * to transfer the whole RETA in a single mailbox operation.
1087 */
1088 for (i = 0; i < reta_size / 16; i++) {
1089 out_buf[i] = 0;
1090 for (j = 0; j < 16; j++)
1091 out_buf[i] |= (u32)(reta[16 * i + j] & 0x3) << (2 * j);
1092 }
1093
1094 return 0;
1095}
1096
Vlad Zolotarov3c0841a2015-03-30 21:35:27 +03001097static int ixgbe_get_vf_rss_key(struct ixgbe_adapter *adapter,
1098 u32 *msgbuf, u32 vf)
1099{
1100 u32 *rss_key = &msgbuf[1];
1101
1102 /* Check if the operation is permitted */
1103 if (!adapter->vfinfo[vf].rss_query_enabled)
1104 return -EPERM;
1105
1106 /* verify the PF is supporting the correct API */
Don Skidmore07eea572016-12-15 21:18:32 -05001107 switch (adapter->vfinfo[vf].vf_api) {
1108 case ixgbe_mbox_api_13:
1109 case ixgbe_mbox_api_12:
1110 break;
1111 default:
Vlad Zolotarov3c0841a2015-03-30 21:35:27 +03001112 return -EOPNOTSUPP;
Don Skidmore07eea572016-12-15 21:18:32 -05001113 }
Vlad Zolotarov3c0841a2015-03-30 21:35:27 +03001114
1115 memcpy(rss_key, adapter->rss_key, sizeof(adapter->rss_key));
1116
1117 return 0;
1118}
1119
Hiroshi Shimamoto8443c1a42015-08-28 06:59:03 +00001120static int ixgbe_update_vf_xcast_mode(struct ixgbe_adapter *adapter,
1121 u32 *msgbuf, u32 vf)
1122{
1123 struct ixgbe_hw *hw = &adapter->hw;
1124 int xcast_mode = msgbuf[1];
Don Skidmore07eea572016-12-15 21:18:32 -05001125 u32 vmolr, fctrl, disable, enable;
Hiroshi Shimamoto8443c1a42015-08-28 06:59:03 +00001126
1127 /* verify the PF is supporting the correct APIs */
1128 switch (adapter->vfinfo[vf].vf_api) {
1129 case ixgbe_mbox_api_12:
Don Skidmore07eea572016-12-15 21:18:32 -05001130 /* promisc introduced in 1.3 version */
1131 if (xcast_mode == IXGBEVF_XCAST_MODE_PROMISC)
1132 return -EOPNOTSUPP;
1133 /* Fall threw */
1134 case ixgbe_mbox_api_13:
Hiroshi Shimamoto8443c1a42015-08-28 06:59:03 +00001135 break;
1136 default:
1137 return -EOPNOTSUPP;
1138 }
1139
1140 if (xcast_mode > IXGBEVF_XCAST_MODE_MULTI &&
1141 !adapter->vfinfo[vf].trusted) {
1142 xcast_mode = IXGBEVF_XCAST_MODE_MULTI;
1143 }
1144
1145 if (adapter->vfinfo[vf].xcast_mode == xcast_mode)
1146 goto out;
1147
1148 switch (xcast_mode) {
1149 case IXGBEVF_XCAST_MODE_NONE:
Don Skidmore07eea572016-12-15 21:18:32 -05001150 disable = IXGBE_VMOLR_BAM | IXGBE_VMOLR_ROMPE |
1151 IXGBE_VMOLR_MPE | IXGBE_VMOLR_UPE | IXGBE_VMOLR_VPE;
Hiroshi Shimamoto8443c1a42015-08-28 06:59:03 +00001152 enable = 0;
1153 break;
1154 case IXGBEVF_XCAST_MODE_MULTI:
Don Skidmore07eea572016-12-15 21:18:32 -05001155 disable = IXGBE_VMOLR_MPE | IXGBE_VMOLR_UPE | IXGBE_VMOLR_VPE;
Hiroshi Shimamoto8443c1a42015-08-28 06:59:03 +00001156 enable = IXGBE_VMOLR_BAM | IXGBE_VMOLR_ROMPE;
1157 break;
1158 case IXGBEVF_XCAST_MODE_ALLMULTI:
Don Skidmore07eea572016-12-15 21:18:32 -05001159 disable = IXGBE_VMOLR_UPE | IXGBE_VMOLR_VPE;
Hiroshi Shimamoto8443c1a42015-08-28 06:59:03 +00001160 enable = IXGBE_VMOLR_BAM | IXGBE_VMOLR_ROMPE | IXGBE_VMOLR_MPE;
1161 break;
Don Skidmore07eea572016-12-15 21:18:32 -05001162 case IXGBEVF_XCAST_MODE_PROMISC:
1163 if (hw->mac.type <= ixgbe_mac_82599EB)
1164 return -EOPNOTSUPP;
1165
1166 fctrl = IXGBE_READ_REG(hw, IXGBE_FCTRL);
1167 if (!(fctrl & IXGBE_FCTRL_UPE)) {
1168 /* VF promisc requires PF in promisc */
1169 e_warn(drv,
1170 "Enabling VF promisc requires PF in promisc\n");
1171 return -EPERM;
1172 }
1173
1174 disable = 0;
1175 enable = IXGBE_VMOLR_BAM | IXGBE_VMOLR_ROMPE |
1176 IXGBE_VMOLR_MPE | IXGBE_VMOLR_UPE | IXGBE_VMOLR_VPE;
1177 break;
Hiroshi Shimamoto8443c1a42015-08-28 06:59:03 +00001178 default:
1179 return -EOPNOTSUPP;
1180 }
1181
1182 vmolr = IXGBE_READ_REG(hw, IXGBE_VMOLR(vf));
1183 vmolr &= ~disable;
1184 vmolr |= enable;
1185 IXGBE_WRITE_REG(hw, IXGBE_VMOLR(vf), vmolr);
1186
1187 adapter->vfinfo[vf].xcast_mode = xcast_mode;
1188
1189out:
1190 msgbuf[1] = xcast_mode;
1191
1192 return 0;
1193}
1194
Greg Rose17367272010-01-09 02:25:48 +00001195static int ixgbe_rcv_msg_from_vf(struct ixgbe_adapter *adapter, u32 vf)
1196{
1197 u32 mbx_size = IXGBE_VFMAILBOX_SIZE;
Emil Tantilovc0509992011-05-07 06:49:18 +00001198 u32 msgbuf[IXGBE_VFMAILBOX_SIZE];
Greg Rose17367272010-01-09 02:25:48 +00001199 struct ixgbe_hw *hw = &adapter->hw;
1200 s32 retval;
Greg Rose17367272010-01-09 02:25:48 +00001201
1202 retval = ixgbe_read_mbx(hw, msgbuf, mbx_size, vf);
1203
Alexander Duyckdcaccc82012-03-28 08:03:38 +00001204 if (retval) {
Emil Tantilov849c4542010-06-03 16:53:41 +00001205 pr_err("Error receiving message from VF\n");
Alexander Duyckdcaccc82012-03-28 08:03:38 +00001206 return retval;
1207 }
Greg Rose17367272010-01-09 02:25:48 +00001208
1209 /* this is a message we already processed, do nothing */
1210 if (msgbuf[0] & (IXGBE_VT_MSGTYPE_ACK | IXGBE_VT_MSGTYPE_NACK))
Mark Rustade90dd262014-07-22 06:51:08 +00001211 return 0;
Greg Rose17367272010-01-09 02:25:48 +00001212
Alexander Duyckdcaccc82012-03-28 08:03:38 +00001213 /* flush the ack before we write any messages back */
1214 IXGBE_WRITE_FLUSH(hw);
1215
Alexander Duyck374c65d2012-07-20 08:09:22 +00001216 if (msgbuf[0] == IXGBE_VF_RESET)
1217 return ixgbe_vf_reset_msg(adapter, vf);
1218
Greg Rose17367272010-01-09 02:25:48 +00001219 /*
1220 * until the vf completes a virtual function reset it should not be
1221 * allowed to start any configuration.
1222 */
Greg Rose17367272010-01-09 02:25:48 +00001223 if (!adapter->vfinfo[vf].clear_to_send) {
1224 msgbuf[0] |= IXGBE_VT_MSGTYPE_NACK;
1225 ixgbe_write_mbx(hw, msgbuf, 1, vf);
Mark Rustade90dd262014-07-22 06:51:08 +00001226 return 0;
Greg Rose17367272010-01-09 02:25:48 +00001227 }
1228
1229 switch ((msgbuf[0] & 0xFFFF)) {
1230 case IXGBE_VF_SET_MAC_ADDR:
Alexander Duyck58a02be2012-07-20 08:09:17 +00001231 retval = ixgbe_set_vf_mac_addr(adapter, msgbuf, vf);
Greg Rose17367272010-01-09 02:25:48 +00001232 break;
1233 case IXGBE_VF_SET_MULTICAST:
Alexander Duyck58a02be2012-07-20 08:09:17 +00001234 retval = ixgbe_set_vf_multicasts(adapter, msgbuf, vf);
1235 break;
1236 case IXGBE_VF_SET_VLAN:
1237 retval = ixgbe_set_vf_vlan_msg(adapter, msgbuf, vf);
Greg Rose17367272010-01-09 02:25:48 +00001238 break;
1239 case IXGBE_VF_SET_LPE:
Alexander Duyck872844d2012-08-15 02:10:43 +00001240 retval = ixgbe_set_vf_lpe(adapter, msgbuf, vf);
Greg Rose17367272010-01-09 02:25:48 +00001241 break;
Greg Rosea1cbb15c2011-05-13 01:33:48 +00001242 case IXGBE_VF_SET_MACVLAN:
Alexander Duyck58a02be2012-07-20 08:09:17 +00001243 retval = ixgbe_set_vf_macvlan_msg(adapter, msgbuf, vf);
Greg Rosea1cbb15c2011-05-13 01:33:48 +00001244 break;
Alexander Duyck374c65d2012-07-20 08:09:22 +00001245 case IXGBE_VF_API_NEGOTIATE:
1246 retval = ixgbe_negotiate_vf_api(adapter, msgbuf, vf);
1247 break;
Alexander Duyckf591cd92012-07-20 08:09:32 +00001248 case IXGBE_VF_GET_QUEUES:
1249 retval = ixgbe_get_vf_queues(adapter, msgbuf, vf);
1250 break;
Vlad Zolotarov4ce37a42015-04-01 11:24:54 +03001251 case IXGBE_VF_GET_RETA:
1252 retval = ixgbe_get_vf_reta(adapter, msgbuf, vf);
1253 break;
Vlad Zolotarov3c0841a2015-03-30 21:35:27 +03001254 case IXGBE_VF_GET_RSS_KEY:
1255 retval = ixgbe_get_vf_rss_key(adapter, msgbuf, vf);
1256 break;
Hiroshi Shimamoto8443c1a42015-08-28 06:59:03 +00001257 case IXGBE_VF_UPDATE_XCAST_MODE:
1258 retval = ixgbe_update_vf_xcast_mode(adapter, msgbuf, vf);
1259 break;
Greg Rose17367272010-01-09 02:25:48 +00001260 default:
Emil Tantilov396e7992010-07-01 20:05:12 +00001261 e_err(drv, "Unhandled Msg %8.8x\n", msgbuf[0]);
Greg Rose17367272010-01-09 02:25:48 +00001262 retval = IXGBE_ERR_MBX;
1263 break;
1264 }
1265
1266 /* notify the VF of the results of what it sent us */
1267 if (retval)
1268 msgbuf[0] |= IXGBE_VT_MSGTYPE_NACK;
1269 else
1270 msgbuf[0] |= IXGBE_VT_MSGTYPE_ACK;
1271
1272 msgbuf[0] |= IXGBE_VT_MSGTYPE_CTS;
1273
Alexander Duyck374c65d2012-07-20 08:09:22 +00001274 ixgbe_write_mbx(hw, msgbuf, mbx_size, vf);
Greg Rose17367272010-01-09 02:25:48 +00001275
1276 return retval;
1277}
1278
1279static void ixgbe_rcv_ack_from_vf(struct ixgbe_adapter *adapter, u32 vf)
1280{
1281 struct ixgbe_hw *hw = &adapter->hw;
1282 u32 msg = IXGBE_VT_MSGTYPE_NACK;
1283
1284 /* if device isn't clear to send it shouldn't be reading either */
1285 if (!adapter->vfinfo[vf].clear_to_send)
1286 ixgbe_write_mbx(hw, &msg, 1, vf);
1287}
1288
1289void ixgbe_msg_task(struct ixgbe_adapter *adapter)
1290{
1291 struct ixgbe_hw *hw = &adapter->hw;
1292 u32 vf;
1293
1294 for (vf = 0; vf < adapter->num_vfs; vf++) {
1295 /* process any reset requests */
1296 if (!ixgbe_check_for_rst(hw, vf))
1297 ixgbe_vf_reset_event(adapter, vf);
1298
1299 /* process any messages pending */
1300 if (!ixgbe_check_for_msg(hw, vf))
1301 ixgbe_rcv_msg_from_vf(adapter, vf);
1302
1303 /* process any acks */
1304 if (!ixgbe_check_for_ack(hw, vf))
1305 ixgbe_rcv_ack_from_vf(adapter, vf);
1306 }
1307}
1308
Greg Rose767081a2010-01-22 22:46:40 +00001309void ixgbe_disable_tx_rx(struct ixgbe_adapter *adapter)
1310{
1311 struct ixgbe_hw *hw = &adapter->hw;
1312
1313 /* disable transmit and receive for all vfs */
1314 IXGBE_WRITE_REG(hw, IXGBE_VFTE(0), 0);
1315 IXGBE_WRITE_REG(hw, IXGBE_VFTE(1), 0);
1316
1317 IXGBE_WRITE_REG(hw, IXGBE_VFRE(0), 0);
1318 IXGBE_WRITE_REG(hw, IXGBE_VFRE(1), 0);
1319}
1320
Hiroshi Shimamoto54011e42015-08-28 06:58:33 +00001321static inline void ixgbe_ping_vf(struct ixgbe_adapter *adapter, int vf)
1322{
1323 struct ixgbe_hw *hw = &adapter->hw;
1324 u32 ping;
1325
1326 ping = IXGBE_PF_CONTROL_MSG;
1327 if (adapter->vfinfo[vf].clear_to_send)
1328 ping |= IXGBE_VT_MSGTYPE_CTS;
1329 ixgbe_write_mbx(hw, &ping, 1, vf);
1330}
1331
Greg Rose767081a2010-01-22 22:46:40 +00001332void ixgbe_ping_all_vfs(struct ixgbe_adapter *adapter)
1333{
1334 struct ixgbe_hw *hw = &adapter->hw;
1335 u32 ping;
1336 int i;
1337
1338 for (i = 0 ; i < adapter->num_vfs; i++) {
1339 ping = IXGBE_PF_CONTROL_MSG;
1340 if (adapter->vfinfo[i].clear_to_send)
1341 ping |= IXGBE_VT_MSGTYPE_CTS;
1342 ixgbe_write_mbx(hw, &ping, 1, i);
1343 }
1344}
1345
Greg Rose7f016482010-05-04 22:12:06 +00001346int ixgbe_ndo_set_vf_mac(struct net_device *netdev, int vf, u8 *mac)
1347{
1348 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1349 if (!is_valid_ether_addr(mac) || (vf >= adapter->num_vfs))
1350 return -EINVAL;
1351 adapter->vfinfo[vf].pf_set_mac = true;
1352 dev_info(&adapter->pdev->dev, "setting MAC %pM on VF %d\n", mac, vf);
1353 dev_info(&adapter->pdev->dev, "Reload the VF driver to make this"
1354 " change effective.");
1355 if (test_bit(__IXGBE_DOWN, &adapter->state)) {
1356 dev_warn(&adapter->pdev->dev, "The VF MAC address has been set,"
1357 " but the PF device is not up.\n");
1358 dev_warn(&adapter->pdev->dev, "Bring the PF device up before"
1359 " attempting to use the VF device.\n");
1360 }
1361 return ixgbe_set_vf_mac(adapter, vf, mac);
1362}
1363
Don Skidmore2b509c02014-11-01 01:06:57 +00001364static int ixgbe_enable_port_vlan(struct ixgbe_adapter *adapter, int vf,
1365 u16 vlan, u8 qos)
1366{
1367 struct ixgbe_hw *hw = &adapter->hw;
Emil Tantilov42ce2c82014-12-10 05:28:51 +00001368 int err;
Don Skidmore2b509c02014-11-01 01:06:57 +00001369
Emil Tantilov42ce2c82014-12-10 05:28:51 +00001370 err = ixgbe_set_vf_vlan(adapter, true, vlan, vf);
Don Skidmore2b509c02014-11-01 01:06:57 +00001371 if (err)
1372 goto out;
Emil Tantilov42ce2c82014-12-10 05:28:51 +00001373
Alexander Duyck4c7f35f2015-11-02 17:10:32 -08001374 /* Revoke tagless access via VLAN 0 */
1375 ixgbe_set_vf_vlan(adapter, false, 0, vf);
1376
Don Skidmore2b509c02014-11-01 01:06:57 +00001377 ixgbe_set_vmvir(adapter, vlan, qos, vf);
1378 ixgbe_set_vmolr(hw, vf, false);
Don Skidmore9a75a1a2014-11-07 03:53:35 +00001379
1380 /* enable hide vlan on X550 */
1381 if (hw->mac.type >= ixgbe_mac_X550)
1382 ixgbe_write_qde(adapter, vf, IXGBE_QDE_ENABLE |
1383 IXGBE_QDE_HIDE_VLAN);
1384
Don Skidmore2b509c02014-11-01 01:06:57 +00001385 adapter->vfinfo[vf].pf_vlan = vlan;
1386 adapter->vfinfo[vf].pf_qos = qos;
1387 dev_info(&adapter->pdev->dev,
1388 "Setting VLAN %d, QOS 0x%x on VF %d\n", vlan, qos, vf);
1389 if (test_bit(__IXGBE_DOWN, &adapter->state)) {
1390 dev_warn(&adapter->pdev->dev,
1391 "The VF VLAN has been set, but the PF device is not up.\n");
1392 dev_warn(&adapter->pdev->dev,
1393 "Bring the PF device up before attempting to use the VF device.\n");
1394 }
1395
1396out:
1397 return err;
1398}
1399
1400static int ixgbe_disable_port_vlan(struct ixgbe_adapter *adapter, int vf)
1401{
1402 struct ixgbe_hw *hw = &adapter->hw;
1403 int err;
1404
1405 err = ixgbe_set_vf_vlan(adapter, false,
1406 adapter->vfinfo[vf].pf_vlan, vf);
Alexander Duyck4c7f35f2015-11-02 17:10:32 -08001407 /* Restore tagless access via VLAN 0 */
1408 ixgbe_set_vf_vlan(adapter, true, 0, vf);
Don Skidmore2b509c02014-11-01 01:06:57 +00001409 ixgbe_clear_vmvir(adapter, vf);
1410 ixgbe_set_vmolr(hw, vf, true);
Emil Tantilov42ce2c82014-12-10 05:28:51 +00001411
1412 /* disable hide VLAN on X550 */
1413 if (hw->mac.type >= ixgbe_mac_X550)
1414 ixgbe_write_qde(adapter, vf, IXGBE_QDE_ENABLE);
1415
Don Skidmore2b509c02014-11-01 01:06:57 +00001416 adapter->vfinfo[vf].pf_vlan = 0;
1417 adapter->vfinfo[vf].pf_qos = 0;
1418
1419 return err;
1420}
1421
Moshe Shemesh79aab092016-09-22 12:11:15 +03001422int ixgbe_ndo_set_vf_vlan(struct net_device *netdev, int vf, u16 vlan,
1423 u8 qos, __be16 vlan_proto)
Greg Rose7f016482010-05-04 22:12:06 +00001424{
1425 int err = 0;
1426 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1427
1428 if ((vf >= adapter->num_vfs) || (vlan > 4095) || (qos > 7))
1429 return -EINVAL;
Moshe Shemesh79aab092016-09-22 12:11:15 +03001430 if (vlan_proto != htons(ETH_P_8021Q))
1431 return -EPROTONOSUPPORT;
Greg Rose7f016482010-05-04 22:12:06 +00001432 if (vlan || qos) {
Don Skidmore2b509c02014-11-01 01:06:57 +00001433 /* Check if there is already a port VLAN set, if so
1434 * we have to delete the old one first before we
1435 * can set the new one. The usage model had
1436 * previously assumed the user would delete the
1437 * old port VLAN before setting a new one but this
1438 * is not necessarily the case.
1439 */
Greg Rose026ac672013-04-17 20:41:35 +00001440 if (adapter->vfinfo[vf].pf_vlan)
Don Skidmore2b509c02014-11-01 01:06:57 +00001441 err = ixgbe_disable_port_vlan(adapter, vf);
Greg Rose026ac672013-04-17 20:41:35 +00001442 if (err)
1443 goto out;
Don Skidmore2b509c02014-11-01 01:06:57 +00001444 err = ixgbe_enable_port_vlan(adapter, vf, vlan, qos);
Greg Rose7f016482010-05-04 22:12:06 +00001445 } else {
Don Skidmore2b509c02014-11-01 01:06:57 +00001446 err = ixgbe_disable_port_vlan(adapter, vf);
Jacob Kellere7cf7452014-04-09 06:03:10 +00001447 }
Don Skidmore2b509c02014-11-01 01:06:57 +00001448
Greg Rose7f016482010-05-04 22:12:06 +00001449out:
Jacob Kellere7cf7452014-04-09 06:03:10 +00001450 return err;
Greg Rose7f016482010-05-04 22:12:06 +00001451}
1452
Rostislav Pehlivanovc04f90e2016-01-27 18:33:30 +00001453int ixgbe_link_mbps(struct ixgbe_adapter *adapter)
Lior Levyff4ab202011-03-11 02:03:07 +00001454{
Alexander Duyck9f66d3e2012-07-20 08:09:06 +00001455 switch (adapter->link_speed) {
Lior Levyff4ab202011-03-11 02:03:07 +00001456 case IXGBE_LINK_SPEED_100_FULL:
1457 return 100;
1458 case IXGBE_LINK_SPEED_1GB_FULL:
1459 return 1000;
1460 case IXGBE_LINK_SPEED_10GB_FULL:
1461 return 10000;
1462 default:
1463 return 0;
1464 }
1465}
1466
Alexander Duyck9f66d3e2012-07-20 08:09:06 +00001467static void ixgbe_set_vf_rate_limit(struct ixgbe_adapter *adapter, int vf)
Lior Levyff4ab202011-03-11 02:03:07 +00001468{
Alexander Duyck9f66d3e2012-07-20 08:09:06 +00001469 struct ixgbe_ring_feature *vmdq = &adapter->ring_feature[RING_F_VMDQ];
1470 struct ixgbe_hw *hw = &adapter->hw;
1471 u32 bcnrc_val = 0;
1472 u16 queue, queues_per_pool;
1473 u16 tx_rate = adapter->vfinfo[vf].tx_rate;
Lior Levyff4ab202011-03-11 02:03:07 +00001474
Alexander Duyck9f66d3e2012-07-20 08:09:06 +00001475 if (tx_rate) {
1476 /* start with base link speed value */
1477 bcnrc_val = adapter->vf_rate_link_speed;
1478
Lior Levyff4ab202011-03-11 02:03:07 +00001479 /* Calculate the rate factor values to set */
Alexander Duyck9f66d3e2012-07-20 08:09:06 +00001480 bcnrc_val <<= IXGBE_RTTBCNRC_RF_INT_SHIFT;
1481 bcnrc_val /= tx_rate;
Lior Levyff4ab202011-03-11 02:03:07 +00001482
Alexander Duyck9f66d3e2012-07-20 08:09:06 +00001483 /* clear everything but the rate factor */
1484 bcnrc_val &= IXGBE_RTTBCNRC_RF_INT_MASK |
1485 IXGBE_RTTBCNRC_RF_DEC_MASK;
1486
1487 /* enable the rate scheduler */
1488 bcnrc_val |= IXGBE_RTTBCNRC_RS_ENA;
Lior Levyff4ab202011-03-11 02:03:07 +00001489 }
1490
Lior Levy7555e832011-06-25 00:09:08 -07001491 /*
1492 * Set global transmit compensation time to the MMW_SIZE in RTTBCNRM
1493 * register. Typically MMW_SIZE=0x014 if 9728-byte jumbo is supported
1494 * and 0x004 otherwise.
1495 */
1496 switch (hw->mac.type) {
1497 case ixgbe_mac_82599EB:
1498 IXGBE_WRITE_REG(hw, IXGBE_RTTBCNRM, 0x4);
1499 break;
1500 case ixgbe_mac_X540:
1501 IXGBE_WRITE_REG(hw, IXGBE_RTTBCNRM, 0x14);
1502 break;
1503 default:
1504 break;
1505 }
1506
Alexander Duyck9f66d3e2012-07-20 08:09:06 +00001507 /* determine how many queues per pool based on VMDq mask */
1508 queues_per_pool = __ALIGN_MASK(1, ~vmdq->mask);
1509
1510 /* write value for all Tx queues belonging to VF */
1511 for (queue = 0; queue < queues_per_pool; queue++) {
1512 unsigned int reg_idx = (vf * queues_per_pool) + queue;
1513
1514 IXGBE_WRITE_REG(hw, IXGBE_RTTDQSEL, reg_idx);
1515 IXGBE_WRITE_REG(hw, IXGBE_RTTBCNRC, bcnrc_val);
1516 }
Lior Levyff4ab202011-03-11 02:03:07 +00001517}
1518
1519void ixgbe_check_vf_rate_limit(struct ixgbe_adapter *adapter)
1520{
Alexander Duyck9f66d3e2012-07-20 08:09:06 +00001521 int i;
Lior Levyff4ab202011-03-11 02:03:07 +00001522
1523 /* VF Tx rate limit was not set */
Alexander Duyck9f66d3e2012-07-20 08:09:06 +00001524 if (!adapter->vf_rate_link_speed)
Lior Levyff4ab202011-03-11 02:03:07 +00001525 return;
1526
Alexander Duyck9f66d3e2012-07-20 08:09:06 +00001527 if (ixgbe_link_mbps(adapter) != adapter->vf_rate_link_speed) {
Lior Levyff4ab202011-03-11 02:03:07 +00001528 adapter->vf_rate_link_speed = 0;
1529 dev_info(&adapter->pdev->dev,
Alexander Duyck9f66d3e2012-07-20 08:09:06 +00001530 "Link speed has been changed. VF Transmit rate is disabled\n");
Lior Levyff4ab202011-03-11 02:03:07 +00001531 }
1532
1533 for (i = 0; i < adapter->num_vfs; i++) {
Alexander Duyck9f66d3e2012-07-20 08:09:06 +00001534 if (!adapter->vf_rate_link_speed)
Lior Levyff4ab202011-03-11 02:03:07 +00001535 adapter->vfinfo[i].tx_rate = 0;
1536
Alexander Duyck9f66d3e2012-07-20 08:09:06 +00001537 ixgbe_set_vf_rate_limit(adapter, i);
Lior Levyff4ab202011-03-11 02:03:07 +00001538 }
1539}
1540
Sucheta Chakrabortyed616682014-05-22 09:59:05 -04001541int ixgbe_ndo_set_vf_bw(struct net_device *netdev, int vf, int min_tx_rate,
1542 int max_tx_rate)
Greg Rose7f016482010-05-04 22:12:06 +00001543{
Lior Levyff4ab202011-03-11 02:03:07 +00001544 struct ixgbe_adapter *adapter = netdev_priv(netdev);
Alexander Duyck9f66d3e2012-07-20 08:09:06 +00001545 int link_speed;
Lior Levyff4ab202011-03-11 02:03:07 +00001546
Alexander Duyck9f66d3e2012-07-20 08:09:06 +00001547 /* verify VF is active */
1548 if (vf >= adapter->num_vfs)
Lior Levyff4ab202011-03-11 02:03:07 +00001549 return -EINVAL;
1550
Alexander Duyck9f66d3e2012-07-20 08:09:06 +00001551 /* verify link is up */
1552 if (!adapter->link_up)
1553 return -EINVAL;
1554
1555 /* verify we are linked at 10Gbps */
1556 link_speed = ixgbe_link_mbps(adapter);
1557 if (link_speed != 10000)
1558 return -EINVAL;
1559
Sucheta Chakrabortyed616682014-05-22 09:59:05 -04001560 if (min_tx_rate)
1561 return -EINVAL;
1562
Alexander Duyck9f66d3e2012-07-20 08:09:06 +00001563 /* rate limit cannot be less than 10Mbs or greater than link speed */
Sucheta Chakrabortyed616682014-05-22 09:59:05 -04001564 if (max_tx_rate && ((max_tx_rate <= 10) || (max_tx_rate > link_speed)))
Alexander Duyck9f66d3e2012-07-20 08:09:06 +00001565 return -EINVAL;
1566
1567 /* store values */
1568 adapter->vf_rate_link_speed = link_speed;
Sucheta Chakrabortyed616682014-05-22 09:59:05 -04001569 adapter->vfinfo[vf].tx_rate = max_tx_rate;
Alexander Duyck9f66d3e2012-07-20 08:09:06 +00001570
1571 /* update hardware configuration */
1572 ixgbe_set_vf_rate_limit(adapter, vf);
Lior Levyff4ab202011-03-11 02:03:07 +00001573
1574 return 0;
Greg Rose7f016482010-05-04 22:12:06 +00001575}
1576
Greg Rosede4c7f62011-09-29 05:57:33 +00001577int ixgbe_ndo_set_vf_spoofchk(struct net_device *netdev, int vf, bool setting)
1578{
1579 struct ixgbe_adapter *adapter = netdev_priv(netdev);
Greg Rosede4c7f62011-09-29 05:57:33 +00001580 struct ixgbe_hw *hw = &adapter->hw;
Greg Rosede4c7f62011-09-29 05:57:33 +00001581
Emil Tantilov600a5072014-10-16 15:49:02 +00001582 if (vf >= adapter->num_vfs)
1583 return -EINVAL;
1584
Greg Rosede4c7f62011-09-29 05:57:33 +00001585 adapter->vfinfo[vf].spoofchk_enabled = setting;
1586
Emil Tantilov77f192a2016-03-18 16:11:14 -07001587 /* configure MAC spoofing */
1588 hw->mac.ops.set_mac_anti_spoofing(hw, setting, vf);
Greg Rosede4c7f62011-09-29 05:57:33 +00001589
Emil Tantilov77f192a2016-03-18 16:11:14 -07001590 /* configure VLAN spoofing */
Emil Tantilovd3dec7c2016-03-18 16:11:19 -07001591 hw->mac.ops.set_vlan_anti_spoofing(hw, setting, vf);
Emil Tantilov77f192a2016-03-18 16:11:14 -07001592
1593 /* Ensure LLDP and FC is set for Ethertype Antispoofing if we will be
1594 * calling set_ethertype_anti_spoofing for each VF in loop below
1595 */
1596 if (hw->mac.ops.set_ethertype_anti_spoofing) {
1597 IXGBE_WRITE_REG(hw, IXGBE_ETQF(IXGBE_ETQF_FILTER_LLDP),
1598 (IXGBE_ETQF_FILTER_EN |
1599 IXGBE_ETQF_TX_ANTISPOOF |
1600 IXGBE_ETH_P_LLDP));
1601
1602 IXGBE_WRITE_REG(hw, IXGBE_ETQF(IXGBE_ETQF_FILTER_FC),
1603 (IXGBE_ETQF_FILTER_EN |
1604 IXGBE_ETQF_TX_ANTISPOOF |
1605 ETH_P_PAUSE));
1606
1607 hw->mac.ops.set_ethertype_anti_spoofing(hw, setting, vf);
Greg Rosede4c7f62011-09-29 05:57:33 +00001608 }
1609
1610 return 0;
1611}
1612
Vlad Zolotarove65ce0d2015-03-30 21:35:24 +03001613int ixgbe_ndo_set_vf_rss_query_en(struct net_device *netdev, int vf,
1614 bool setting)
1615{
1616 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1617
1618 /* This operation is currently supported only for 82599 and x540
1619 * devices.
1620 */
1621 if (adapter->hw.mac.type < ixgbe_mac_82599EB ||
1622 adapter->hw.mac.type >= ixgbe_mac_X550)
1623 return -EOPNOTSUPP;
1624
1625 if (vf >= adapter->num_vfs)
1626 return -EINVAL;
1627
1628 adapter->vfinfo[vf].rss_query_enabled = setting;
1629
1630 return 0;
1631}
1632
Hiroshi Shimamoto54011e42015-08-28 06:58:33 +00001633int ixgbe_ndo_set_vf_trust(struct net_device *netdev, int vf, bool setting)
1634{
1635 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1636
1637 if (vf >= adapter->num_vfs)
1638 return -EINVAL;
1639
1640 /* nothing to do */
1641 if (adapter->vfinfo[vf].trusted == setting)
1642 return 0;
1643
1644 adapter->vfinfo[vf].trusted = setting;
1645
1646 /* reset VF to reconfigure features */
1647 adapter->vfinfo[vf].clear_to_send = false;
1648 ixgbe_ping_vf(adapter, vf);
1649
1650 e_info(drv, "VF %u is %strusted\n", vf, setting ? "" : "not ");
1651
1652 return 0;
1653}
1654
Greg Rose7f016482010-05-04 22:12:06 +00001655int ixgbe_ndo_get_vf_config(struct net_device *netdev,
1656 int vf, struct ifla_vf_info *ivi)
1657{
1658 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1659 if (vf >= adapter->num_vfs)
1660 return -EINVAL;
1661 ivi->vf = vf;
1662 memcpy(&ivi->mac, adapter->vfinfo[vf].vf_mac_addresses, ETH_ALEN);
Sucheta Chakrabortyed616682014-05-22 09:59:05 -04001663 ivi->max_tx_rate = adapter->vfinfo[vf].tx_rate;
1664 ivi->min_tx_rate = 0;
Greg Rose7f016482010-05-04 22:12:06 +00001665 ivi->vlan = adapter->vfinfo[vf].pf_vlan;
1666 ivi->qos = adapter->vfinfo[vf].pf_qos;
Greg Rosede4c7f62011-09-29 05:57:33 +00001667 ivi->spoofchk = adapter->vfinfo[vf].spoofchk_enabled;
Vlad Zolotarove65ce0d2015-03-30 21:35:24 +03001668 ivi->rss_query_en = adapter->vfinfo[vf].rss_query_enabled;
Hiroshi Shimamoto54011e42015-08-28 06:58:33 +00001669 ivi->trusted = adapter->vfinfo[vf].trusted;
Greg Rose7f016482010-05-04 22:12:06 +00001670 return 0;
1671}