Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 1 | /******************************************************************************* |
| 2 | |
| 3 | Intel 10 Gigabit PCI Express Linux driver |
Mark Rustad | e90dd26 | 2014-07-22 06:51:08 +0000 | [diff] [blame] | 4 | Copyright(c) 1999 - 2014 Intel Corporation. |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +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 | |
| 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 Keller | b89aae7 | 2014-02-22 01:23:50 +0000 | [diff] [blame] | 23 | Linux NICS <linux.nics@intel.com> |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 24 | 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 Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 29 | #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 Skidmore | aa2bacb | 2015-04-09 22:03:22 -0700 | [diff] [blame] | 39 | #include <linux/if_bridge.h> |
Patrick McHardy | f646968 | 2013-04-19 02:04:27 +0000 | [diff] [blame] | 40 | #ifdef NETIF_F_HW_VLAN_CTAG_TX |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 41 | #include <linux/if_vlan.h> |
| 42 | #endif |
| 43 | |
| 44 | #include "ixgbe.h" |
Greg Rose | c6bda30 | 2011-08-24 02:37:55 +0000 | [diff] [blame] | 45 | #include "ixgbe_type.h" |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 46 | #include "ixgbe_sriov.h" |
| 47 | |
Greg Rose | c6bda30 | 2011-08-24 02:37:55 +0000 | [diff] [blame] | 48 | #ifdef CONFIG_PCI_IOV |
Greg Rose | 66dcfd7 | 2012-12-11 08:26:38 +0000 | [diff] [blame] | 49 | static int __ixgbe_enable_sriov(struct ixgbe_adapter *adapter) |
Greg Rose | c6bda30 | 2011-08-24 02:37:55 +0000 | [diff] [blame] | 50 | { |
| 51 | struct ixgbe_hw *hw = &adapter->hw; |
Greg Rose | c6bda30 | 2011-08-24 02:37:55 +0000 | [diff] [blame] | 52 | int num_vf_macvlans, i; |
| 53 | struct vf_macvlans *mv_list; |
Greg Rose | c6bda30 | 2011-08-24 02:37:55 +0000 | [diff] [blame] | 54 | |
Alexander Duyck | 73079ea | 2012-07-14 06:48:49 +0000 | [diff] [blame] | 55 | adapter->flags |= IXGBE_FLAG_SRIOV_ENABLED; |
Greg Rose | c6bda30 | 2011-08-24 02:37:55 +0000 | [diff] [blame] | 56 | e_info(probe, "SR-IOV enabled with %d VFs\n", adapter->num_vfs); |
| 57 | |
Alexander Duyck | 73079ea | 2012-07-14 06:48:49 +0000 | [diff] [blame] | 58 | /* Enable VMDq flag so device will be set in VM mode */ |
| 59 | adapter->flags |= IXGBE_FLAG_VMDQ_ENABLED; |
| 60 | if (!adapter->ring_feature[RING_F_VMDQ].limit) |
| 61 | adapter->ring_feature[RING_F_VMDQ].limit = 1; |
| 62 | adapter->ring_feature[RING_F_VMDQ].offset = adapter->num_vfs; |
| 63 | |
Greg Rose | c6bda30 | 2011-08-24 02:37:55 +0000 | [diff] [blame] | 64 | num_vf_macvlans = hw->mac.num_rar_entries - |
| 65 | (IXGBE_MAX_PF_MACVLANS + 1 + adapter->num_vfs); |
| 66 | |
| 67 | adapter->mv_list = mv_list = kcalloc(num_vf_macvlans, |
| 68 | sizeof(struct vf_macvlans), |
| 69 | GFP_KERNEL); |
| 70 | if (mv_list) { |
| 71 | /* Initialize list of VF macvlans */ |
| 72 | INIT_LIST_HEAD(&adapter->vf_mvs.l); |
| 73 | for (i = 0; i < num_vf_macvlans; i++) { |
| 74 | mv_list->vf = -1; |
| 75 | mv_list->free = true; |
Greg Rose | c6bda30 | 2011-08-24 02:37:55 +0000 | [diff] [blame] | 76 | list_add(&mv_list->l, &adapter->vf_mvs.l); |
| 77 | mv_list++; |
| 78 | } |
| 79 | } |
| 80 | |
John Fastabend | 815cccb | 2012-10-24 08:13:09 +0000 | [diff] [blame] | 81 | /* Initialize default switching mode VEB */ |
| 82 | IXGBE_WRITE_REG(hw, IXGBE_PFDTXGSWC, IXGBE_PFDTXGSWC_VT_LBEN); |
Don Skidmore | aa2bacb | 2015-04-09 22:03:22 -0700 | [diff] [blame] | 83 | adapter->bridge_mode = BRIDGE_MODE_VEB; |
John Fastabend | 815cccb | 2012-10-24 08:13:09 +0000 | [diff] [blame] | 84 | |
Greg Rose | c6bda30 | 2011-08-24 02:37:55 +0000 | [diff] [blame] | 85 | /* If call to enable VFs succeeded then allocate memory |
| 86 | * for per VF control structures. |
| 87 | */ |
| 88 | adapter->vfinfo = |
| 89 | kcalloc(adapter->num_vfs, |
| 90 | sizeof(struct vf_data_storage), GFP_KERNEL); |
| 91 | if (adapter->vfinfo) { |
Alexander Duyck | 73079ea | 2012-07-14 06:48:49 +0000 | [diff] [blame] | 92 | /* limit trafffic classes based on VFs enabled */ |
| 93 | if ((adapter->hw.mac.type == ixgbe_mac_82599EB) && |
| 94 | (adapter->num_vfs < 16)) { |
| 95 | adapter->dcb_cfg.num_tcs.pg_tcs = MAX_TRAFFIC_CLASS; |
| 96 | adapter->dcb_cfg.num_tcs.pfc_tcs = MAX_TRAFFIC_CLASS; |
| 97 | } else if (adapter->num_vfs < 32) { |
| 98 | adapter->dcb_cfg.num_tcs.pg_tcs = 4; |
| 99 | adapter->dcb_cfg.num_tcs.pfc_tcs = 4; |
| 100 | } else { |
| 101 | adapter->dcb_cfg.num_tcs.pg_tcs = 1; |
| 102 | adapter->dcb_cfg.num_tcs.pfc_tcs = 1; |
| 103 | } |
| 104 | |
Greg Rose | c6bda30 | 2011-08-24 02:37:55 +0000 | [diff] [blame] | 105 | /* Disable RSC when in SR-IOV mode */ |
| 106 | adapter->flags2 &= ~(IXGBE_FLAG2_RSC_CAPABLE | |
| 107 | IXGBE_FLAG2_RSC_ENABLED); |
Alexander Duyck | 73079ea | 2012-07-14 06:48:49 +0000 | [diff] [blame] | 108 | |
Vlad Zolotarov | e65ce0d | 2015-03-30 21:35:24 +0300 | [diff] [blame] | 109 | for (i = 0; i < adapter->num_vfs; i++) { |
| 110 | /* enable spoof checking for all VFs */ |
Greg Rose | de4c7f6 | 2011-09-29 05:57:33 +0000 | [diff] [blame] | 111 | adapter->vfinfo[i].spoofchk_enabled = true; |
Vlad Zolotarov | e65ce0d | 2015-03-30 21:35:24 +0300 | [diff] [blame] | 112 | |
| 113 | /* We support VF RSS querying only for 82599 and x540 |
| 114 | * devices at the moment. These devices share RSS |
| 115 | * indirection table and RSS hash key with PF therefore |
| 116 | * we want to disable the querying by default. |
| 117 | */ |
| 118 | adapter->vfinfo[i].rss_query_enabled = 0; |
| 119 | } |
| 120 | |
Greg Rose | 66dcfd7 | 2012-12-11 08:26:38 +0000 | [diff] [blame] | 121 | return 0; |
Greg Rose | c6bda30 | 2011-08-24 02:37:55 +0000 | [diff] [blame] | 122 | } |
| 123 | |
Greg Rose | 66dcfd7 | 2012-12-11 08:26:38 +0000 | [diff] [blame] | 124 | return -ENOMEM; |
| 125 | } |
| 126 | |
| 127 | /* Note this function is called when the user wants to enable SR-IOV |
| 128 | * VFs using the now deprecated module parameter |
| 129 | */ |
| 130 | void ixgbe_enable_sriov(struct ixgbe_adapter *adapter) |
| 131 | { |
| 132 | int pre_existing_vfs = 0; |
| 133 | |
| 134 | pre_existing_vfs = pci_num_vf(adapter->pdev); |
| 135 | if (!pre_existing_vfs && !adapter->num_vfs) |
| 136 | return; |
| 137 | |
Greg Rose | 66dcfd7 | 2012-12-11 08:26:38 +0000 | [diff] [blame] | 138 | /* If there are pre-existing VFs then we have to force |
| 139 | * use of that many - over ride any module parameter value. |
| 140 | * This may result from the user unloading the PF driver |
| 141 | * while VFs were assigned to guest VMs or because the VFs |
| 142 | * have been created via the new PCI SR-IOV sysfs interface. |
| 143 | */ |
| 144 | if (pre_existing_vfs) { |
| 145 | adapter->num_vfs = pre_existing_vfs; |
| 146 | dev_warn(&adapter->pdev->dev, |
| 147 | "Virtual Functions already enabled for this device - Please reload all VF drivers to avoid spoofed packet errors\n"); |
| 148 | } else { |
| 149 | int err; |
| 150 | /* |
| 151 | * The 82599 supports up to 64 VFs per physical function |
| 152 | * but this implementation limits allocation to 63 so that |
| 153 | * basic networking resources are still available to the |
Joe Perches | dbedd44 | 2015-03-06 20:49:12 -0800 | [diff] [blame] | 154 | * physical function. If the user requests greater than |
Greg Rose | 66dcfd7 | 2012-12-11 08:26:38 +0000 | [diff] [blame] | 155 | * 63 VFs then it is an error - reset to default of zero. |
| 156 | */ |
ethan.zhao | dcc23e3 | 2014-01-16 19:41:04 -0800 | [diff] [blame] | 157 | adapter->num_vfs = min_t(unsigned int, adapter->num_vfs, IXGBE_MAX_VFS_DRV_LIMIT); |
Greg Rose | 66dcfd7 | 2012-12-11 08:26:38 +0000 | [diff] [blame] | 158 | |
| 159 | err = pci_enable_sriov(adapter->pdev, adapter->num_vfs); |
| 160 | if (err) { |
| 161 | e_err(probe, "Failed to enable PCI sriov: %d\n", err); |
| 162 | adapter->num_vfs = 0; |
| 163 | return; |
| 164 | } |
| 165 | } |
| 166 | |
| 167 | if (!__ixgbe_enable_sriov(adapter)) |
| 168 | return; |
| 169 | |
| 170 | /* If we have gotten to this point then there is no memory available |
| 171 | * to manage the VF devices - print message and bail. |
| 172 | */ |
Greg Rose | c6bda30 | 2011-08-24 02:37:55 +0000 | [diff] [blame] | 173 | e_err(probe, "Unable to allocate memory for VF Data Storage - " |
| 174 | "SRIOV disabled\n"); |
Alexander Duyck | 99d7448 | 2012-05-09 08:09:25 +0000 | [diff] [blame] | 175 | ixgbe_disable_sriov(adapter); |
Greg Rose | c6bda30 | 2011-08-24 02:37:55 +0000 | [diff] [blame] | 176 | } |
Greg Rose | c6bda30 | 2011-08-24 02:37:55 +0000 | [diff] [blame] | 177 | |
Alexander Duyck | 9297127 | 2012-05-23 02:58:40 +0000 | [diff] [blame] | 178 | #endif /* #ifdef CONFIG_PCI_IOV */ |
Greg Rose | da36b64 | 2012-12-11 08:26:43 +0000 | [diff] [blame] | 179 | int ixgbe_disable_sriov(struct ixgbe_adapter *adapter) |
Greg Rose | c6bda30 | 2011-08-24 02:37:55 +0000 | [diff] [blame] | 180 | { |
| 181 | struct ixgbe_hw *hw = &adapter->hw; |
Greg Rose | c6bda30 | 2011-08-24 02:37:55 +0000 | [diff] [blame] | 182 | u32 gpie; |
| 183 | u32 vmdctl; |
Greg Rose | da36b64 | 2012-12-11 08:26:43 +0000 | [diff] [blame] | 184 | int rss; |
Greg Rose | c6bda30 | 2011-08-24 02:37:55 +0000 | [diff] [blame] | 185 | |
Alexander Duyck | d773d13 | 2012-05-05 05:32:26 +0000 | [diff] [blame] | 186 | /* set num VFs to 0 to prevent access to vfinfo */ |
| 187 | adapter->num_vfs = 0; |
| 188 | |
| 189 | /* free VF control structures */ |
| 190 | kfree(adapter->vfinfo); |
| 191 | adapter->vfinfo = NULL; |
| 192 | |
| 193 | /* free macvlan list */ |
| 194 | kfree(adapter->mv_list); |
| 195 | adapter->mv_list = NULL; |
| 196 | |
Alexander Duyck | 99d7448 | 2012-05-09 08:09:25 +0000 | [diff] [blame] | 197 | /* if SR-IOV is already disabled then there is nothing to do */ |
| 198 | if (!(adapter->flags & IXGBE_FLAG_SRIOV_ENABLED)) |
Greg Rose | da36b64 | 2012-12-11 08:26:43 +0000 | [diff] [blame] | 199 | return 0; |
Alexander Duyck | 99d7448 | 2012-05-09 08:09:25 +0000 | [diff] [blame] | 200 | |
Greg Rose | c6bda30 | 2011-08-24 02:37:55 +0000 | [diff] [blame] | 201 | #ifdef CONFIG_PCI_IOV |
Alexander Duyck | 9297127 | 2012-05-23 02:58:40 +0000 | [diff] [blame] | 202 | /* |
| 203 | * If our VFs are assigned we cannot shut down SR-IOV |
| 204 | * without causing issues, so just leave the hardware |
| 205 | * available but disabled |
| 206 | */ |
Alexander Duyck | e507d0c | 2013-03-26 00:03:21 +0000 | [diff] [blame] | 207 | if (pci_vfs_assigned(adapter->pdev)) { |
Alexander Duyck | 9297127 | 2012-05-23 02:58:40 +0000 | [diff] [blame] | 208 | e_dev_warn("Unloading driver while VFs are assigned - VFs will not be deallocated\n"); |
Greg Rose | da36b64 | 2012-12-11 08:26:43 +0000 | [diff] [blame] | 209 | return -EPERM; |
David S. Miller | d47e12d | 2012-07-22 12:36:41 -0700 | [diff] [blame] | 210 | } |
Greg Rose | c6bda30 | 2011-08-24 02:37:55 +0000 | [diff] [blame] | 211 | /* disable iov and allow time for transactions to clear */ |
| 212 | pci_disable_sriov(adapter->pdev); |
| 213 | #endif |
| 214 | |
| 215 | /* turn off device IOV mode */ |
Alexander Duyck | 73079ea | 2012-07-14 06:48:49 +0000 | [diff] [blame] | 216 | IXGBE_WRITE_REG(hw, IXGBE_GCR_EXT, 0); |
Greg Rose | c6bda30 | 2011-08-24 02:37:55 +0000 | [diff] [blame] | 217 | gpie = IXGBE_READ_REG(hw, IXGBE_GPIE); |
| 218 | gpie &= ~IXGBE_GPIE_VTMODE_MASK; |
| 219 | IXGBE_WRITE_REG(hw, IXGBE_GPIE, gpie); |
| 220 | |
| 221 | /* set default pool back to 0 */ |
| 222 | vmdctl = IXGBE_READ_REG(hw, IXGBE_VT_CTL); |
| 223 | vmdctl &= ~IXGBE_VT_CTL_POOL_MASK; |
| 224 | IXGBE_WRITE_REG(hw, IXGBE_VT_CTL, vmdctl); |
| 225 | IXGBE_WRITE_FLUSH(hw); |
| 226 | |
Alexander Duyck | 1d9c0bf | 2012-05-05 05:32:21 +0000 | [diff] [blame] | 227 | /* Disable VMDq flag so device will be set in VM mode */ |
John Fastabend | 2a47fa4 | 2013-11-06 09:54:52 -0800 | [diff] [blame] | 228 | if (adapter->ring_feature[RING_F_VMDQ].limit == 1) { |
Alexander Duyck | 1d9c0bf | 2012-05-05 05:32:21 +0000 | [diff] [blame] | 229 | adapter->flags &= ~IXGBE_FLAG_VMDQ_ENABLED; |
John Fastabend | 2a47fa4 | 2013-11-06 09:54:52 -0800 | [diff] [blame] | 230 | adapter->flags &= ~IXGBE_FLAG_SRIOV_ENABLED; |
Don Skidmore | 0f9b232 | 2014-11-18 09:35:08 +0000 | [diff] [blame] | 231 | rss = min_t(int, ixgbe_max_rss_indices(adapter), |
| 232 | num_online_cpus()); |
John Fastabend | 2a47fa4 | 2013-11-06 09:54:52 -0800 | [diff] [blame] | 233 | } else { |
| 234 | rss = min_t(int, IXGBE_MAX_L2A_QUEUES, num_online_cpus()); |
| 235 | } |
Alexander Duyck | 1d9c0bf | 2012-05-05 05:32:21 +0000 | [diff] [blame] | 236 | |
John Fastabend | 2a47fa4 | 2013-11-06 09:54:52 -0800 | [diff] [blame] | 237 | adapter->ring_feature[RING_F_VMDQ].offset = 0; |
Greg Rose | da36b64 | 2012-12-11 08:26:43 +0000 | [diff] [blame] | 238 | adapter->ring_feature[RING_F_RSS].limit = rss; |
| 239 | |
Greg Rose | c6bda30 | 2011-08-24 02:37:55 +0000 | [diff] [blame] | 240 | /* take a breather then clean up driver data */ |
| 241 | msleep(100); |
Greg Rose | da36b64 | 2012-12-11 08:26:43 +0000 | [diff] [blame] | 242 | return 0; |
| 243 | } |
| 244 | |
| 245 | static int ixgbe_pci_sriov_enable(struct pci_dev *dev, int num_vfs) |
| 246 | { |
| 247 | #ifdef CONFIG_PCI_IOV |
| 248 | struct ixgbe_adapter *adapter = pci_get_drvdata(dev); |
| 249 | int err = 0; |
| 250 | int i; |
| 251 | int pre_existing_vfs = pci_num_vf(dev); |
| 252 | |
| 253 | if (pre_existing_vfs && pre_existing_vfs != num_vfs) |
| 254 | err = ixgbe_disable_sriov(adapter); |
| 255 | else if (pre_existing_vfs && pre_existing_vfs == num_vfs) |
Mark Rustad | e90dd26 | 2014-07-22 06:51:08 +0000 | [diff] [blame] | 256 | return num_vfs; |
Greg Rose | da36b64 | 2012-12-11 08:26:43 +0000 | [diff] [blame] | 257 | |
| 258 | if (err) |
Mark Rustad | e90dd26 | 2014-07-22 06:51:08 +0000 | [diff] [blame] | 259 | return err; |
Greg Rose | da36b64 | 2012-12-11 08:26:43 +0000 | [diff] [blame] | 260 | |
Jacob Keller | aac2f1b | 2014-08-21 06:17:59 +0000 | [diff] [blame] | 261 | /* While the SR-IOV capability structure reports total VFs to be 64, |
| 262 | * we have to limit the actual number allocated based on two factors. |
| 263 | * First, we reserve some transmit/receive resources for the PF. |
| 264 | * Second, VMDQ also uses the same pools that SR-IOV does. We need to |
| 265 | * account for this, so that we don't accidentally allocate more VFs |
| 266 | * than we have available pools. The PCI bus driver already checks for |
| 267 | * other values out of range. |
Greg Rose | da36b64 | 2012-12-11 08:26:43 +0000 | [diff] [blame] | 268 | */ |
Jacob Keller | aac2f1b | 2014-08-21 06:17:59 +0000 | [diff] [blame] | 269 | if ((num_vfs + adapter->num_rx_pools) > IXGBE_MAX_VF_FUNCTIONS) |
Mark Rustad | e90dd26 | 2014-07-22 06:51:08 +0000 | [diff] [blame] | 270 | return -EPERM; |
Greg Rose | da36b64 | 2012-12-11 08:26:43 +0000 | [diff] [blame] | 271 | |
| 272 | adapter->num_vfs = num_vfs; |
| 273 | |
| 274 | err = __ixgbe_enable_sriov(adapter); |
| 275 | if (err) |
Mark Rustad | e90dd26 | 2014-07-22 06:51:08 +0000 | [diff] [blame] | 276 | return err; |
Greg Rose | da36b64 | 2012-12-11 08:26:43 +0000 | [diff] [blame] | 277 | |
| 278 | for (i = 0; i < adapter->num_vfs; i++) |
| 279 | ixgbe_vf_configuration(dev, (i | 0x10000000)); |
| 280 | |
| 281 | err = pci_enable_sriov(dev, num_vfs); |
| 282 | if (err) { |
| 283 | e_dev_warn("Failed to enable PCI sriov: %d\n", err); |
Mark Rustad | e90dd26 | 2014-07-22 06:51:08 +0000 | [diff] [blame] | 284 | return err; |
Greg Rose | da36b64 | 2012-12-11 08:26:43 +0000 | [diff] [blame] | 285 | } |
| 286 | ixgbe_sriov_reinit(adapter); |
| 287 | |
Greg Rose | da36b64 | 2012-12-11 08:26:43 +0000 | [diff] [blame] | 288 | return num_vfs; |
Mark Rustad | e90dd26 | 2014-07-22 06:51:08 +0000 | [diff] [blame] | 289 | #else |
Greg Rose | da36b64 | 2012-12-11 08:26:43 +0000 | [diff] [blame] | 290 | return 0; |
Mark Rustad | e90dd26 | 2014-07-22 06:51:08 +0000 | [diff] [blame] | 291 | #endif |
Greg Rose | da36b64 | 2012-12-11 08:26:43 +0000 | [diff] [blame] | 292 | } |
| 293 | |
| 294 | static int ixgbe_pci_sriov_disable(struct pci_dev *dev) |
| 295 | { |
| 296 | struct ixgbe_adapter *adapter = pci_get_drvdata(dev); |
| 297 | int err; |
Don Skidmore | 8f48f5b | 2013-11-22 04:27:23 +0000 | [diff] [blame] | 298 | #ifdef CONFIG_PCI_IOV |
Greg Rose | da36b64 | 2012-12-11 08:26:43 +0000 | [diff] [blame] | 299 | u32 current_flags = adapter->flags; |
Don Skidmore | 8f48f5b | 2013-11-22 04:27:23 +0000 | [diff] [blame] | 300 | #endif |
Greg Rose | da36b64 | 2012-12-11 08:26:43 +0000 | [diff] [blame] | 301 | |
| 302 | err = ixgbe_disable_sriov(adapter); |
| 303 | |
| 304 | /* Only reinit if no error and state changed */ |
Greg Rose | da36b64 | 2012-12-11 08:26:43 +0000 | [diff] [blame] | 305 | #ifdef CONFIG_PCI_IOV |
John Fastabend | 2a47fa4 | 2013-11-06 09:54:52 -0800 | [diff] [blame] | 306 | if (!err && current_flags != adapter->flags) |
Greg Rose | da36b64 | 2012-12-11 08:26:43 +0000 | [diff] [blame] | 307 | ixgbe_sriov_reinit(adapter); |
| 308 | #endif |
Greg Rose | da36b64 | 2012-12-11 08:26:43 +0000 | [diff] [blame] | 309 | |
| 310 | return err; |
| 311 | } |
| 312 | |
| 313 | int ixgbe_pci_sriov_configure(struct pci_dev *dev, int num_vfs) |
| 314 | { |
| 315 | if (num_vfs == 0) |
| 316 | return ixgbe_pci_sriov_disable(dev); |
| 317 | else |
| 318 | return ixgbe_pci_sriov_enable(dev, num_vfs); |
Greg Rose | c6bda30 | 2011-08-24 02:37:55 +0000 | [diff] [blame] | 319 | } |
| 320 | |
Emil Tantilov | 5d5b7c3 | 2010-10-12 22:20:59 +0000 | [diff] [blame] | 321 | static int ixgbe_set_vf_multicasts(struct ixgbe_adapter *adapter, |
Alexander Duyck | 58a02be | 2012-07-20 08:09:17 +0000 | [diff] [blame] | 322 | u32 *msgbuf, u32 vf) |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 323 | { |
Alexander Duyck | 58a02be | 2012-07-20 08:09:17 +0000 | [diff] [blame] | 324 | int entries = (msgbuf[0] & IXGBE_VT_MSGINFO_MASK) |
| 325 | >> IXGBE_VT_MSGINFO_SHIFT; |
| 326 | u16 *hash_list = (u16 *)&msgbuf[1]; |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 327 | struct vf_data_storage *vfinfo = &adapter->vfinfo[vf]; |
Greg Rose | 8a07a22 | 2010-05-05 19:57:30 +0000 | [diff] [blame] | 328 | struct ixgbe_hw *hw = &adapter->hw; |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 329 | int i; |
Greg Rose | 8a07a22 | 2010-05-05 19:57:30 +0000 | [diff] [blame] | 330 | u32 vector_bit; |
| 331 | u32 vector_reg; |
| 332 | u32 mta_reg; |
Jacob Keller | b335e75 | 2014-03-25 07:45:27 +0000 | [diff] [blame] | 333 | u32 vmolr = IXGBE_READ_REG(hw, IXGBE_VMOLR(vf)); |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 334 | |
| 335 | /* only so many hash values supported */ |
| 336 | entries = min(entries, IXGBE_MAX_VF_MC_ENTRIES); |
| 337 | |
| 338 | /* |
| 339 | * salt away the number of multi cast addresses assigned |
| 340 | * to this VF for later use to restore when the PF multi cast |
| 341 | * list changes |
| 342 | */ |
| 343 | vfinfo->num_vf_mc_hashes = entries; |
| 344 | |
| 345 | /* |
| 346 | * VFs are limited to using the MTA hash table for their multicast |
| 347 | * addresses |
| 348 | */ |
| 349 | for (i = 0; i < entries; i++) { |
Joe Perches | e81a1ba | 2010-11-14 17:04:33 +0000 | [diff] [blame] | 350 | vfinfo->vf_mc_hashes[i] = hash_list[i]; |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 351 | } |
| 352 | |
Greg Rose | 8a07a22 | 2010-05-05 19:57:30 +0000 | [diff] [blame] | 353 | for (i = 0; i < vfinfo->num_vf_mc_hashes; i++) { |
| 354 | vector_reg = (vfinfo->vf_mc_hashes[i] >> 5) & 0x7F; |
| 355 | vector_bit = vfinfo->vf_mc_hashes[i] & 0x1F; |
| 356 | mta_reg = IXGBE_READ_REG(hw, IXGBE_MTA(vector_reg)); |
| 357 | mta_reg |= (1 << vector_bit); |
| 358 | IXGBE_WRITE_REG(hw, IXGBE_MTA(vector_reg), mta_reg); |
| 359 | } |
Jacob Keller | b335e75 | 2014-03-25 07:45:27 +0000 | [diff] [blame] | 360 | vmolr |= IXGBE_VMOLR_ROMPE; |
| 361 | IXGBE_WRITE_REG(hw, IXGBE_VMOLR(vf), vmolr); |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 362 | |
| 363 | return 0; |
| 364 | } |
| 365 | |
Jacob Keller | b335e75 | 2014-03-25 07:45:27 +0000 | [diff] [blame] | 366 | #ifdef CONFIG_PCI_IOV |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 367 | void ixgbe_restore_vf_multicasts(struct ixgbe_adapter *adapter) |
| 368 | { |
| 369 | struct ixgbe_hw *hw = &adapter->hw; |
| 370 | struct vf_data_storage *vfinfo; |
| 371 | int i, j; |
| 372 | u32 vector_bit; |
| 373 | u32 vector_reg; |
| 374 | u32 mta_reg; |
| 375 | |
| 376 | for (i = 0; i < adapter->num_vfs; i++) { |
Jacob Keller | b335e75 | 2014-03-25 07:45:27 +0000 | [diff] [blame] | 377 | u32 vmolr = IXGBE_READ_REG(hw, IXGBE_VMOLR(i)); |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 378 | vfinfo = &adapter->vfinfo[i]; |
| 379 | for (j = 0; j < vfinfo->num_vf_mc_hashes; j++) { |
| 380 | hw->addr_ctrl.mta_in_use++; |
| 381 | vector_reg = (vfinfo->vf_mc_hashes[j] >> 5) & 0x7F; |
| 382 | vector_bit = vfinfo->vf_mc_hashes[j] & 0x1F; |
| 383 | mta_reg = IXGBE_READ_REG(hw, IXGBE_MTA(vector_reg)); |
| 384 | mta_reg |= (1 << vector_bit); |
| 385 | IXGBE_WRITE_REG(hw, IXGBE_MTA(vector_reg), mta_reg); |
| 386 | } |
Jacob Keller | b335e75 | 2014-03-25 07:45:27 +0000 | [diff] [blame] | 387 | |
| 388 | if (vfinfo->num_vf_mc_hashes) |
| 389 | vmolr |= IXGBE_VMOLR_ROMPE; |
| 390 | else |
| 391 | vmolr &= ~IXGBE_VMOLR_ROMPE; |
| 392 | IXGBE_WRITE_REG(hw, IXGBE_VMOLR(i), vmolr); |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 393 | } |
Greg Rose | a1cbb15c | 2011-05-13 01:33:48 +0000 | [diff] [blame] | 394 | |
| 395 | /* Restore any VF macvlans */ |
Jacob Keller | 5d7daa3 | 2014-03-29 06:51:25 +0000 | [diff] [blame] | 396 | ixgbe_full_sync_mac_table(adapter); |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 397 | } |
Jacob Keller | b335e75 | 2014-03-25 07:45:27 +0000 | [diff] [blame] | 398 | #endif |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 399 | |
Emil Tantilov | 5d5b7c3 | 2010-10-12 22:20:59 +0000 | [diff] [blame] | 400 | static int ixgbe_set_vf_vlan(struct ixgbe_adapter *adapter, int add, int vid, |
| 401 | u32 vf) |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 402 | { |
Alexander Duyck | b35d4d4 | 2012-05-23 05:39:25 +0000 | [diff] [blame] | 403 | /* VLAN 0 is a special case, don't allow it to be removed */ |
| 404 | if (!vid && !add) |
| 405 | return 0; |
| 406 | |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 407 | return adapter->hw.mac.ops.set_vfta(&adapter->hw, vid, vf, (bool)add); |
| 408 | } |
| 409 | |
Alexander Duyck | 872844d | 2012-08-15 02:10:43 +0000 | [diff] [blame] | 410 | static s32 ixgbe_set_vf_lpe(struct ixgbe_adapter *adapter, u32 *msgbuf, u32 vf) |
Greg Rose | e9f9807 | 2011-01-26 01:06:07 +0000 | [diff] [blame] | 411 | { |
| 412 | struct ixgbe_hw *hw = &adapter->hw; |
Alexander Duyck | 872844d | 2012-08-15 02:10:43 +0000 | [diff] [blame] | 413 | int max_frame = msgbuf[1]; |
Greg Rose | e9f9807 | 2011-01-26 01:06:07 +0000 | [diff] [blame] | 414 | u32 max_frs; |
Greg Rose | e9f9807 | 2011-01-26 01:06:07 +0000 | [diff] [blame] | 415 | |
Alexander Duyck | 872844d | 2012-08-15 02:10:43 +0000 | [diff] [blame] | 416 | /* |
| 417 | * For 82599EB we have to keep all PFs and VFs operating with |
| 418 | * the same max_frame value in order to avoid sending an oversize |
| 419 | * frame to a VF. In order to guarantee this is handled correctly |
| 420 | * for all cases we have several special exceptions to take into |
| 421 | * account before we can enable the VF for receive |
| 422 | */ |
| 423 | if (adapter->hw.mac.type == ixgbe_mac_82599EB) { |
| 424 | struct net_device *dev = adapter->netdev; |
| 425 | int pf_max_frame = dev->mtu + ETH_HLEN; |
| 426 | u32 reg_offset, vf_shift, vfre; |
| 427 | s32 err = 0; |
Greg Rose | e9f9807 | 2011-01-26 01:06:07 +0000 | [diff] [blame] | 428 | |
Alexander Duyck | 872844d | 2012-08-15 02:10:43 +0000 | [diff] [blame] | 429 | #ifdef CONFIG_FCOE |
| 430 | if (dev->features & NETIF_F_FCOE_MTU) |
| 431 | pf_max_frame = max_t(int, pf_max_frame, |
| 432 | IXGBE_FCOE_JUMBO_FRAME_SIZE); |
| 433 | |
| 434 | #endif /* CONFIG_FCOE */ |
Alexander Duyck | bffb3bc | 2012-07-20 08:09:37 +0000 | [diff] [blame] | 435 | switch (adapter->vfinfo[vf].vf_api) { |
| 436 | case ixgbe_mbox_api_11: |
Vlad Zolotarov | 4ce37a4 | 2015-04-01 11:24:54 +0300 | [diff] [blame] | 437 | case ixgbe_mbox_api_12: |
Alexander Duyck | bffb3bc | 2012-07-20 08:09:37 +0000 | [diff] [blame] | 438 | /* |
| 439 | * Version 1.1 supports jumbo frames on VFs if PF has |
| 440 | * jumbo frames enabled which means legacy VFs are |
| 441 | * disabled |
| 442 | */ |
| 443 | if (pf_max_frame > ETH_FRAME_LEN) |
| 444 | break; |
| 445 | default: |
| 446 | /* |
| 447 | * If the PF or VF are running w/ jumbo frames enabled |
| 448 | * we need to shut down the VF Rx path as we cannot |
| 449 | * support jumbo frames on legacy VFs |
| 450 | */ |
| 451 | if ((pf_max_frame > ETH_FRAME_LEN) || |
| 452 | (max_frame > (ETH_FRAME_LEN + ETH_FCS_LEN))) |
| 453 | err = -EINVAL; |
| 454 | break; |
| 455 | } |
Alexander Duyck | 872844d | 2012-08-15 02:10:43 +0000 | [diff] [blame] | 456 | |
| 457 | /* determine VF receive enable location */ |
| 458 | vf_shift = vf % 32; |
| 459 | reg_offset = vf / 32; |
| 460 | |
| 461 | /* enable or disable receive depending on error */ |
| 462 | vfre = IXGBE_READ_REG(hw, IXGBE_VFRE(reg_offset)); |
| 463 | if (err) |
| 464 | vfre &= ~(1 << vf_shift); |
| 465 | else |
| 466 | vfre |= 1 << vf_shift; |
| 467 | IXGBE_WRITE_REG(hw, IXGBE_VFRE(reg_offset), vfre); |
| 468 | |
| 469 | if (err) { |
| 470 | e_err(drv, "VF max_frame %d out of range\n", max_frame); |
| 471 | return err; |
| 472 | } |
Greg Rose | e9f9807 | 2011-01-26 01:06:07 +0000 | [diff] [blame] | 473 | } |
| 474 | |
Alexander Duyck | 872844d | 2012-08-15 02:10:43 +0000 | [diff] [blame] | 475 | /* MTU < 68 is an error and causes problems on some kernels */ |
| 476 | if (max_frame > IXGBE_MAX_JUMBO_FRAME_SIZE) { |
| 477 | e_err(drv, "VF max_frame %d out of range\n", max_frame); |
| 478 | return -EINVAL; |
| 479 | } |
| 480 | |
| 481 | /* pull current max frame size from hardware */ |
| 482 | max_frs = IXGBE_READ_REG(hw, IXGBE_MAXFRS); |
| 483 | max_frs &= IXGBE_MHADD_MFS_MASK; |
| 484 | max_frs >>= IXGBE_MHADD_MFS_SHIFT; |
| 485 | |
| 486 | if (max_frs < max_frame) { |
| 487 | max_frs = max_frame << IXGBE_MHADD_MFS_SHIFT; |
Greg Rose | e9f9807 | 2011-01-26 01:06:07 +0000 | [diff] [blame] | 488 | IXGBE_WRITE_REG(hw, IXGBE_MAXFRS, max_frs); |
| 489 | } |
| 490 | |
Alexander Duyck | 872844d | 2012-08-15 02:10:43 +0000 | [diff] [blame] | 491 | e_info(hw, "VF requests change max MTU to %d\n", max_frame); |
| 492 | |
| 493 | return 0; |
Greg Rose | e9f9807 | 2011-01-26 01:06:07 +0000 | [diff] [blame] | 494 | } |
| 495 | |
Emil Tantilov | 5d5b7c3 | 2010-10-12 22:20:59 +0000 | [diff] [blame] | 496 | static void ixgbe_set_vmolr(struct ixgbe_hw *hw, u32 vf, bool aupe) |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 497 | { |
| 498 | u32 vmolr = IXGBE_READ_REG(hw, IXGBE_VMOLR(vf)); |
Jacob Keller | b335e75 | 2014-03-25 07:45:27 +0000 | [diff] [blame] | 499 | vmolr |= IXGBE_VMOLR_BAM; |
Greg Rose | f041277 | 2010-05-04 22:11:46 +0000 | [diff] [blame] | 500 | if (aupe) |
| 501 | vmolr |= IXGBE_VMOLR_AUPE; |
| 502 | else |
| 503 | vmolr &= ~IXGBE_VMOLR_AUPE; |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 504 | IXGBE_WRITE_REG(hw, IXGBE_VMOLR(vf), vmolr); |
| 505 | } |
| 506 | |
Alexander Duyck | 107d301 | 2012-10-02 00:17:03 +0000 | [diff] [blame] | 507 | static void ixgbe_clear_vmvir(struct ixgbe_adapter *adapter, u32 vf) |
Greg Rose | 7f01648 | 2010-05-04 22:12:06 +0000 | [diff] [blame] | 508 | { |
| 509 | struct ixgbe_hw *hw = &adapter->hw; |
| 510 | |
Alexander Duyck | 107d301 | 2012-10-02 00:17:03 +0000 | [diff] [blame] | 511 | IXGBE_WRITE_REG(hw, IXGBE_VMVIR(vf), 0); |
Greg Rose | 7f01648 | 2010-05-04 22:12:06 +0000 | [diff] [blame] | 512 | } |
Emil Tantilov | 5d5b7c3 | 2010-10-12 22:20:59 +0000 | [diff] [blame] | 513 | static inline void ixgbe_vf_reset_event(struct ixgbe_adapter *adapter, u32 vf) |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 514 | { |
| 515 | struct ixgbe_hw *hw = &adapter->hw; |
Alexander Duyck | 107d301 | 2012-10-02 00:17:03 +0000 | [diff] [blame] | 516 | struct vf_data_storage *vfinfo = &adapter->vfinfo[vf]; |
Alexander Duyck | 107d301 | 2012-10-02 00:17:03 +0000 | [diff] [blame] | 517 | u8 num_tcs = netdev_get_num_tc(adapter->netdev); |
| 518 | |
| 519 | /* add PF assigned VLAN or VLAN 0 */ |
| 520 | ixgbe_set_vf_vlan(adapter, true, vfinfo->pf_vlan, vf); |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 521 | |
| 522 | /* reset offloads to defaults */ |
Alexander Duyck | 107d301 | 2012-10-02 00:17:03 +0000 | [diff] [blame] | 523 | ixgbe_set_vmolr(hw, vf, !vfinfo->pf_vlan); |
| 524 | |
| 525 | /* set outgoing tags for VFs */ |
| 526 | if (!vfinfo->pf_vlan && !vfinfo->pf_qos && !num_tcs) { |
| 527 | ixgbe_clear_vmvir(adapter, vf); |
Greg Rose | 7f01648 | 2010-05-04 22:12:06 +0000 | [diff] [blame] | 528 | } else { |
Alexander Duyck | 107d301 | 2012-10-02 00:17:03 +0000 | [diff] [blame] | 529 | if (vfinfo->pf_qos || !num_tcs) |
| 530 | ixgbe_set_vmvir(adapter, vfinfo->pf_vlan, |
| 531 | vfinfo->pf_qos, vf); |
| 532 | else |
| 533 | ixgbe_set_vmvir(adapter, vfinfo->pf_vlan, |
| 534 | adapter->default_up, vf); |
| 535 | |
| 536 | if (vfinfo->spoofchk_enabled) |
| 537 | hw->mac.ops.set_vlan_anti_spoofing(hw, true, vf); |
Greg Rose | 7f01648 | 2010-05-04 22:12:06 +0000 | [diff] [blame] | 538 | } |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 539 | |
| 540 | /* reset multicast table array for vf */ |
| 541 | adapter->vfinfo[vf].num_vf_mc_hashes = 0; |
| 542 | |
| 543 | /* Flush and reset the mta with the new values */ |
| 544 | ixgbe_set_rx_mode(adapter->netdev); |
| 545 | |
Jacob Keller | 5d7daa3 | 2014-03-29 06:51:25 +0000 | [diff] [blame] | 546 | ixgbe_del_mac_filter(adapter, adapter->vfinfo[vf].vf_mac_addresses, vf); |
Alexander Duyck | 374c65d | 2012-07-20 08:09:22 +0000 | [diff] [blame] | 547 | |
| 548 | /* reset VF api back to unknown */ |
| 549 | adapter->vfinfo[vf].vf_api = ixgbe_mbox_api_10; |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 550 | } |
| 551 | |
Emil Tantilov | 5d5b7c3 | 2010-10-12 22:20:59 +0000 | [diff] [blame] | 552 | static int ixgbe_set_vf_mac(struct ixgbe_adapter *adapter, |
| 553 | int vf, unsigned char *mac_addr) |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 554 | { |
Jacob Keller | 5d7daa3 | 2014-03-29 06:51:25 +0000 | [diff] [blame] | 555 | ixgbe_del_mac_filter(adapter, adapter->vfinfo[vf].vf_mac_addresses, vf); |
Joe Perches | d458cdf | 2013-10-01 19:04:40 -0700 | [diff] [blame] | 556 | memcpy(adapter->vfinfo[vf].vf_mac_addresses, mac_addr, ETH_ALEN); |
Jacob Keller | 5d7daa3 | 2014-03-29 06:51:25 +0000 | [diff] [blame] | 557 | ixgbe_add_mac_filter(adapter, adapter->vfinfo[vf].vf_mac_addresses, vf); |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 558 | |
| 559 | return 0; |
| 560 | } |
| 561 | |
Greg Rose | a1cbb15c | 2011-05-13 01:33:48 +0000 | [diff] [blame] | 562 | static int ixgbe_set_vf_macvlan(struct ixgbe_adapter *adapter, |
| 563 | int vf, int index, unsigned char *mac_addr) |
| 564 | { |
Greg Rose | a1cbb15c | 2011-05-13 01:33:48 +0000 | [diff] [blame] | 565 | struct list_head *pos; |
| 566 | struct vf_macvlans *entry; |
| 567 | |
| 568 | if (index <= 1) { |
| 569 | list_for_each(pos, &adapter->vf_mvs.l) { |
| 570 | entry = list_entry(pos, struct vf_macvlans, l); |
| 571 | if (entry->vf == vf) { |
| 572 | entry->vf = -1; |
| 573 | entry->free = true; |
| 574 | entry->is_macvlan = false; |
Jacob Keller | 5d7daa3 | 2014-03-29 06:51:25 +0000 | [diff] [blame] | 575 | ixgbe_del_mac_filter(adapter, |
| 576 | entry->vf_macvlan, vf); |
Greg Rose | a1cbb15c | 2011-05-13 01:33:48 +0000 | [diff] [blame] | 577 | } |
| 578 | } |
| 579 | } |
| 580 | |
| 581 | /* |
| 582 | * If index was zero then we were asked to clear the uc list |
| 583 | * for the VF. We're done. |
| 584 | */ |
| 585 | if (!index) |
| 586 | return 0; |
| 587 | |
| 588 | entry = NULL; |
| 589 | |
| 590 | list_for_each(pos, &adapter->vf_mvs.l) { |
| 591 | entry = list_entry(pos, struct vf_macvlans, l); |
| 592 | if (entry->free) |
| 593 | break; |
| 594 | } |
| 595 | |
| 596 | /* |
| 597 | * If we traversed the entire list and didn't find a free entry |
| 598 | * then we're out of space on the RAR table. Also entry may |
| 599 | * be NULL because the original memory allocation for the list |
| 600 | * failed, which is not fatal but does mean we can't support |
| 601 | * VF requests for MACVLAN because we couldn't allocate |
| 602 | * memory for the list management required. |
| 603 | */ |
| 604 | if (!entry || !entry->free) |
| 605 | return -ENOSPC; |
| 606 | |
| 607 | entry->free = false; |
| 608 | entry->is_macvlan = true; |
| 609 | entry->vf = vf; |
| 610 | memcpy(entry->vf_macvlan, mac_addr, ETH_ALEN); |
| 611 | |
Jacob Keller | 5d7daa3 | 2014-03-29 06:51:25 +0000 | [diff] [blame] | 612 | ixgbe_add_mac_filter(adapter, mac_addr, vf); |
Greg Rose | a1cbb15c | 2011-05-13 01:33:48 +0000 | [diff] [blame] | 613 | |
| 614 | return 0; |
| 615 | } |
| 616 | |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 617 | int ixgbe_vf_configuration(struct pci_dev *pdev, unsigned int event_mask) |
| 618 | { |
Alexander Duyck | c60fbb0 | 2010-11-16 19:26:54 -0800 | [diff] [blame] | 619 | struct ixgbe_adapter *adapter = pci_get_drvdata(pdev); |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 620 | unsigned int vfn = (event_mask & 0x3f); |
| 621 | |
| 622 | bool enable = ((event_mask & 0x10000000U) != 0); |
| 623 | |
Joe Perches | d458cdf | 2013-10-01 19:04:40 -0700 | [diff] [blame] | 624 | if (enable) |
| 625 | eth_zero_addr(adapter->vfinfo[vfn].vf_mac_addresses); |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 626 | |
| 627 | return 0; |
| 628 | } |
| 629 | |
Don Skidmore | 8d697e7 | 2014-11-05 04:52:09 +0000 | [diff] [blame] | 630 | static inline void ixgbe_write_qde(struct ixgbe_adapter *adapter, u32 vf, |
| 631 | u32 qde) |
| 632 | { |
| 633 | struct ixgbe_hw *hw = &adapter->hw; |
| 634 | struct ixgbe_ring_feature *vmdq = &adapter->ring_feature[RING_F_VMDQ]; |
| 635 | u32 q_per_pool = __ALIGN_MASK(1, ~vmdq->mask); |
| 636 | int i; |
| 637 | |
| 638 | for (i = vf * q_per_pool; i < ((vf + 1) * q_per_pool); i++) { |
| 639 | u32 reg; |
| 640 | |
| 641 | /* flush previous write */ |
| 642 | IXGBE_WRITE_FLUSH(hw); |
| 643 | |
| 644 | /* indicate to hardware that we want to set drop enable */ |
| 645 | reg = IXGBE_QDE_WRITE | IXGBE_QDE_ENABLE; |
| 646 | reg |= i << IXGBE_QDE_IDX_SHIFT; |
| 647 | IXGBE_WRITE_REG(hw, IXGBE_QDE, reg); |
| 648 | } |
| 649 | } |
| 650 | |
Alexander Duyck | 58a02be | 2012-07-20 08:09:17 +0000 | [diff] [blame] | 651 | static int ixgbe_vf_reset_msg(struct ixgbe_adapter *adapter, u32 vf) |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 652 | { |
Alexander Duyck | 8739737 | 2014-01-15 17:38:40 -0800 | [diff] [blame] | 653 | struct ixgbe_ring_feature *vmdq = &adapter->ring_feature[RING_F_VMDQ]; |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 654 | struct ixgbe_hw *hw = &adapter->hw; |
Alexander Duyck | 58a02be | 2012-07-20 08:09:17 +0000 | [diff] [blame] | 655 | unsigned char *vf_mac = adapter->vfinfo[vf].vf_mac_addresses; |
Emil Tantilov | b08e1ed | 2013-07-26 07:34:54 +0000 | [diff] [blame] | 656 | u32 reg, reg_offset, vf_shift; |
| 657 | u32 msgbuf[4] = {0, 0, 0, 0}; |
Alexander Duyck | 58a02be | 2012-07-20 08:09:17 +0000 | [diff] [blame] | 658 | u8 *addr = (u8 *)(&msgbuf[1]); |
Alexander Duyck | 8739737 | 2014-01-15 17:38:40 -0800 | [diff] [blame] | 659 | u32 q_per_pool = __ALIGN_MASK(1, ~vmdq->mask); |
| 660 | int i; |
Alexander Duyck | 58a02be | 2012-07-20 08:09:17 +0000 | [diff] [blame] | 661 | |
| 662 | e_info(probe, "VF Reset msg received from vf %d\n", vf); |
| 663 | |
| 664 | /* reset the filters for the device */ |
| 665 | ixgbe_vf_reset_event(adapter, vf); |
| 666 | |
| 667 | /* set vf mac address */ |
Greg Rose | 3505592 | 2013-02-15 05:20:09 +0000 | [diff] [blame] | 668 | if (!is_zero_ether_addr(vf_mac)) |
| 669 | ixgbe_set_vf_mac(adapter, vf, vf_mac); |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 670 | |
| 671 | vf_shift = vf % 32; |
| 672 | reg_offset = vf / 32; |
| 673 | |
Alexander Duyck | 58a02be | 2012-07-20 08:09:17 +0000 | [diff] [blame] | 674 | /* enable transmit for vf */ |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 675 | reg = IXGBE_READ_REG(hw, IXGBE_VFTE(reg_offset)); |
Alexander Duyck | 872844d | 2012-08-15 02:10:43 +0000 | [diff] [blame] | 676 | reg |= 1 << vf_shift; |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 677 | IXGBE_WRITE_REG(hw, IXGBE_VFTE(reg_offset), reg); |
| 678 | |
Alexander Duyck | 8739737 | 2014-01-15 17:38:40 -0800 | [diff] [blame] | 679 | /* force drop enable for all VF Rx queues */ |
Don Skidmore | 8d697e7 | 2014-11-05 04:52:09 +0000 | [diff] [blame] | 680 | ixgbe_write_qde(adapter, vf, IXGBE_QDE_ENABLE); |
Alexander Duyck | 8739737 | 2014-01-15 17:38:40 -0800 | [diff] [blame] | 681 | |
Alexander Duyck | 58a02be | 2012-07-20 08:09:17 +0000 | [diff] [blame] | 682 | /* enable receive for vf */ |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 683 | reg = IXGBE_READ_REG(hw, IXGBE_VFRE(reg_offset)); |
Alexander Duyck | 872844d | 2012-08-15 02:10:43 +0000 | [diff] [blame] | 684 | reg |= 1 << vf_shift; |
| 685 | /* |
| 686 | * The 82599 cannot support a mix of jumbo and non-jumbo PF/VFs. |
| 687 | * For more info take a look at ixgbe_set_vf_lpe |
| 688 | */ |
| 689 | if (adapter->hw.mac.type == ixgbe_mac_82599EB) { |
| 690 | struct net_device *dev = adapter->netdev; |
| 691 | int pf_max_frame = dev->mtu + ETH_HLEN; |
| 692 | |
| 693 | #ifdef CONFIG_FCOE |
| 694 | if (dev->features & NETIF_F_FCOE_MTU) |
| 695 | pf_max_frame = max_t(int, pf_max_frame, |
| 696 | IXGBE_FCOE_JUMBO_FRAME_SIZE); |
| 697 | |
| 698 | #endif /* CONFIG_FCOE */ |
| 699 | if (pf_max_frame > ETH_FRAME_LEN) |
| 700 | reg &= ~(1 << vf_shift); |
| 701 | } |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 702 | IXGBE_WRITE_REG(hw, IXGBE_VFRE(reg_offset), reg); |
| 703 | |
Alexander Duyck | 58a02be | 2012-07-20 08:09:17 +0000 | [diff] [blame] | 704 | /* enable VF mailbox for further messages */ |
| 705 | adapter->vfinfo[vf].clear_to_send = true; |
| 706 | |
Greg Rose | a985b6c3 | 2010-11-18 03:02:52 +0000 | [diff] [blame] | 707 | /* Enable counting of spoofed packets in the SSVPC register */ |
| 708 | reg = IXGBE_READ_REG(hw, IXGBE_VMECM(reg_offset)); |
| 709 | reg |= (1 << vf_shift); |
| 710 | IXGBE_WRITE_REG(hw, IXGBE_VMECM(reg_offset), reg); |
| 711 | |
Alexander Duyck | dbf231a | 2014-01-15 17:38:41 -0800 | [diff] [blame] | 712 | /* |
| 713 | * Reset the VFs TDWBAL and TDWBAH registers |
| 714 | * which are not cleared by an FLR |
| 715 | */ |
| 716 | for (i = 0; i < q_per_pool; i++) { |
| 717 | IXGBE_WRITE_REG(hw, IXGBE_PVFTDWBAHn(q_per_pool, vf, i), 0); |
| 718 | IXGBE_WRITE_REG(hw, IXGBE_PVFTDWBALn(q_per_pool, vf, i), 0); |
| 719 | } |
| 720 | |
Alexander Duyck | 58a02be | 2012-07-20 08:09:17 +0000 | [diff] [blame] | 721 | /* reply to reset with ack and vf mac address */ |
Greg Rose | 3505592 | 2013-02-15 05:20:09 +0000 | [diff] [blame] | 722 | msgbuf[0] = IXGBE_VF_RESET; |
| 723 | if (!is_zero_ether_addr(vf_mac)) { |
| 724 | msgbuf[0] |= IXGBE_VT_MSGTYPE_ACK; |
| 725 | memcpy(addr, vf_mac, ETH_ALEN); |
| 726 | } else { |
| 727 | msgbuf[0] |= IXGBE_VT_MSGTYPE_NACK; |
| 728 | dev_warn(&adapter->pdev->dev, |
| 729 | "VF %d has no MAC address assigned, you may have to assign one manually\n", |
| 730 | vf); |
| 731 | } |
Alexander Duyck | 58a02be | 2012-07-20 08:09:17 +0000 | [diff] [blame] | 732 | |
| 733 | /* |
| 734 | * Piggyback the multicast filter type so VF can compute the |
| 735 | * correct vectors |
| 736 | */ |
| 737 | msgbuf[3] = hw->mac.mc_filter_type; |
| 738 | ixgbe_write_mbx(hw, msgbuf, IXGBE_VF_PERMADDR_MSG_LEN, vf); |
| 739 | |
| 740 | return 0; |
| 741 | } |
| 742 | |
| 743 | static int ixgbe_set_vf_mac_addr(struct ixgbe_adapter *adapter, |
| 744 | u32 *msgbuf, u32 vf) |
| 745 | { |
| 746 | u8 *new_mac = ((u8 *)(&msgbuf[1])); |
| 747 | |
| 748 | if (!is_valid_ether_addr(new_mac)) { |
| 749 | e_warn(drv, "VF %d attempted to set invalid mac\n", vf); |
| 750 | return -1; |
| 751 | } |
| 752 | |
| 753 | if (adapter->vfinfo[vf].pf_set_mac && |
dingtianhong | 4012dda | 2013-12-30 15:40:50 +0800 | [diff] [blame] | 754 | !ether_addr_equal(adapter->vfinfo[vf].vf_mac_addresses, new_mac)) { |
Alexander Duyck | 58a02be | 2012-07-20 08:09:17 +0000 | [diff] [blame] | 755 | e_warn(drv, |
| 756 | "VF %d attempted to override administratively set MAC address\n" |
| 757 | "Reload the VF driver to resume operations\n", |
| 758 | vf); |
| 759 | return -1; |
| 760 | } |
| 761 | |
Greg Rose | 3970c32 | 2012-09-25 02:25:30 +0000 | [diff] [blame] | 762 | return ixgbe_set_vf_mac(adapter, vf, new_mac) < 0; |
Alexander Duyck | 58a02be | 2012-07-20 08:09:17 +0000 | [diff] [blame] | 763 | } |
| 764 | |
Greg Rose | 670224f | 2013-02-22 02:14:39 +0000 | [diff] [blame] | 765 | static int ixgbe_find_vlvf_entry(struct ixgbe_hw *hw, u32 vlan) |
| 766 | { |
| 767 | u32 vlvf; |
| 768 | s32 regindex; |
| 769 | |
| 770 | /* short cut the special case */ |
| 771 | if (vlan == 0) |
| 772 | return 0; |
| 773 | |
| 774 | /* Search for the vlan id in the VLVF entries */ |
| 775 | for (regindex = 1; regindex < IXGBE_VLVF_ENTRIES; regindex++) { |
| 776 | vlvf = IXGBE_READ_REG(hw, IXGBE_VLVF(regindex)); |
| 777 | if ((vlvf & VLAN_VID_MASK) == vlan) |
| 778 | break; |
| 779 | } |
| 780 | |
| 781 | /* Return a negative value if not found */ |
| 782 | if (regindex >= IXGBE_VLVF_ENTRIES) |
| 783 | regindex = -1; |
| 784 | |
| 785 | return regindex; |
| 786 | } |
| 787 | |
Alexander Duyck | 58a02be | 2012-07-20 08:09:17 +0000 | [diff] [blame] | 788 | static int ixgbe_set_vf_vlan_msg(struct ixgbe_adapter *adapter, |
| 789 | u32 *msgbuf, u32 vf) |
| 790 | { |
| 791 | struct ixgbe_hw *hw = &adapter->hw; |
| 792 | int add = (msgbuf[0] & IXGBE_VT_MSGINFO_MASK) >> IXGBE_VT_MSGINFO_SHIFT; |
| 793 | int vid = (msgbuf[1] & IXGBE_VLVF_VLANID_MASK); |
| 794 | int err; |
Greg Rose | 670224f | 2013-02-22 02:14:39 +0000 | [diff] [blame] | 795 | s32 reg_ndx; |
| 796 | u32 vlvf; |
| 797 | u32 bits; |
Alexander Duyck | 107d301 | 2012-10-02 00:17:03 +0000 | [diff] [blame] | 798 | u8 tcs = netdev_get_num_tc(adapter->netdev); |
Alexander Duyck | 58a02be | 2012-07-20 08:09:17 +0000 | [diff] [blame] | 799 | |
Alexander Duyck | 107d301 | 2012-10-02 00:17:03 +0000 | [diff] [blame] | 800 | if (adapter->vfinfo[vf].pf_vlan || tcs) { |
Alexander Duyck | 58a02be | 2012-07-20 08:09:17 +0000 | [diff] [blame] | 801 | e_warn(drv, |
| 802 | "VF %d attempted to override administratively set VLAN configuration\n" |
| 803 | "Reload the VF driver to resume operations\n", |
| 804 | vf); |
| 805 | return -1; |
| 806 | } |
| 807 | |
| 808 | if (add) |
| 809 | adapter->vfinfo[vf].vlan_count++; |
| 810 | else if (adapter->vfinfo[vf].vlan_count) |
| 811 | adapter->vfinfo[vf].vlan_count--; |
| 812 | |
Greg Rose | 670224f | 2013-02-22 02:14:39 +0000 | [diff] [blame] | 813 | /* in case of promiscuous mode any VLAN filter set for a VF must |
| 814 | * also have the PF pool added to it. |
| 815 | */ |
| 816 | if (add && adapter->netdev->flags & IFF_PROMISC) |
| 817 | err = ixgbe_set_vf_vlan(adapter, add, vid, VMDQ_P(0)); |
| 818 | |
Alexander Duyck | 58a02be | 2012-07-20 08:09:17 +0000 | [diff] [blame] | 819 | err = ixgbe_set_vf_vlan(adapter, add, vid, vf); |
| 820 | if (!err && adapter->vfinfo[vf].spoofchk_enabled) |
| 821 | hw->mac.ops.set_vlan_anti_spoofing(hw, true, vf); |
| 822 | |
Greg Rose | 670224f | 2013-02-22 02:14:39 +0000 | [diff] [blame] | 823 | /* Go through all the checks to see if the VLAN filter should |
| 824 | * be wiped completely. |
| 825 | */ |
| 826 | if (!add && adapter->netdev->flags & IFF_PROMISC) { |
| 827 | reg_ndx = ixgbe_find_vlvf_entry(hw, vid); |
| 828 | if (reg_ndx < 0) |
Mark Rustad | e90dd26 | 2014-07-22 06:51:08 +0000 | [diff] [blame] | 829 | return err; |
Greg Rose | 670224f | 2013-02-22 02:14:39 +0000 | [diff] [blame] | 830 | vlvf = IXGBE_READ_REG(hw, IXGBE_VLVF(reg_ndx)); |
| 831 | /* See if any other pools are set for this VLAN filter |
| 832 | * entry other than the PF. |
| 833 | */ |
| 834 | if (VMDQ_P(0) < 32) { |
| 835 | bits = IXGBE_READ_REG(hw, IXGBE_VLVFB(reg_ndx * 2)); |
| 836 | bits &= ~(1 << VMDQ_P(0)); |
| 837 | bits |= IXGBE_READ_REG(hw, |
| 838 | IXGBE_VLVFB(reg_ndx * 2) + 1); |
| 839 | } else { |
| 840 | bits = IXGBE_READ_REG(hw, |
| 841 | IXGBE_VLVFB(reg_ndx * 2) + 1); |
| 842 | bits &= ~(1 << (VMDQ_P(0) - 32)); |
| 843 | bits |= IXGBE_READ_REG(hw, IXGBE_VLVFB(reg_ndx * 2)); |
| 844 | } |
| 845 | |
| 846 | /* If the filter was removed then ensure PF pool bit |
| 847 | * is cleared if the PF only added itself to the pool |
| 848 | * because the PF is in promiscuous mode. |
| 849 | */ |
| 850 | if ((vlvf & VLAN_VID_MASK) == vid && |
| 851 | !test_bit(vid, adapter->active_vlans) && !bits) |
| 852 | ixgbe_set_vf_vlan(adapter, add, vid, VMDQ_P(0)); |
| 853 | } |
| 854 | |
Alexander Duyck | 58a02be | 2012-07-20 08:09:17 +0000 | [diff] [blame] | 855 | return err; |
| 856 | } |
| 857 | |
| 858 | static int ixgbe_set_vf_macvlan_msg(struct ixgbe_adapter *adapter, |
| 859 | u32 *msgbuf, u32 vf) |
| 860 | { |
| 861 | u8 *new_mac = ((u8 *)(&msgbuf[1])); |
| 862 | int index = (msgbuf[0] & IXGBE_VT_MSGINFO_MASK) >> |
| 863 | IXGBE_VT_MSGINFO_SHIFT; |
| 864 | int err; |
| 865 | |
| 866 | if (adapter->vfinfo[vf].pf_set_mac && index > 0) { |
| 867 | e_warn(drv, |
| 868 | "VF %d requested MACVLAN filter but is administratively denied\n", |
| 869 | vf); |
| 870 | return -1; |
| 871 | } |
| 872 | |
| 873 | /* An non-zero index indicates the VF is setting a filter */ |
| 874 | if (index) { |
| 875 | if (!is_valid_ether_addr(new_mac)) { |
| 876 | e_warn(drv, "VF %d attempted to set invalid mac\n", vf); |
| 877 | return -1; |
| 878 | } |
| 879 | |
| 880 | /* |
| 881 | * If the VF is allowed to set MAC filters then turn off |
| 882 | * anti-spoofing to avoid false positives. |
| 883 | */ |
| 884 | if (adapter->vfinfo[vf].spoofchk_enabled) |
| 885 | ixgbe_ndo_set_vf_spoofchk(adapter->netdev, vf, false); |
| 886 | } |
| 887 | |
| 888 | err = ixgbe_set_vf_macvlan(adapter, vf, index, new_mac); |
| 889 | if (err == -ENOSPC) |
| 890 | e_warn(drv, |
| 891 | "VF %d has requested a MACVLAN filter but there is no space for it\n", |
| 892 | vf); |
Greg Rose | a301340 | 2012-10-30 00:40:02 +0000 | [diff] [blame] | 893 | |
| 894 | return err < 0; |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 895 | } |
| 896 | |
Alexander Duyck | 374c65d | 2012-07-20 08:09:22 +0000 | [diff] [blame] | 897 | static int ixgbe_negotiate_vf_api(struct ixgbe_adapter *adapter, |
| 898 | u32 *msgbuf, u32 vf) |
| 899 | { |
| 900 | int api = msgbuf[1]; |
| 901 | |
| 902 | switch (api) { |
| 903 | case ixgbe_mbox_api_10: |
Alexander Duyck | bffb3bc | 2012-07-20 08:09:37 +0000 | [diff] [blame] | 904 | case ixgbe_mbox_api_11: |
Vlad Zolotarov | 4ce37a4 | 2015-04-01 11:24:54 +0300 | [diff] [blame] | 905 | case ixgbe_mbox_api_12: |
Alexander Duyck | 374c65d | 2012-07-20 08:09:22 +0000 | [diff] [blame] | 906 | adapter->vfinfo[vf].vf_api = api; |
| 907 | return 0; |
| 908 | default: |
| 909 | break; |
| 910 | } |
| 911 | |
| 912 | e_info(drv, "VF %d requested invalid api version %u\n", vf, api); |
| 913 | |
| 914 | return -1; |
| 915 | } |
| 916 | |
Alexander Duyck | f591cd9 | 2012-07-20 08:09:32 +0000 | [diff] [blame] | 917 | static int ixgbe_get_vf_queues(struct ixgbe_adapter *adapter, |
| 918 | u32 *msgbuf, u32 vf) |
| 919 | { |
| 920 | struct net_device *dev = adapter->netdev; |
| 921 | struct ixgbe_ring_feature *vmdq = &adapter->ring_feature[RING_F_VMDQ]; |
| 922 | unsigned int default_tc = 0; |
| 923 | u8 num_tcs = netdev_get_num_tc(dev); |
| 924 | |
| 925 | /* verify the PF is supporting the correct APIs */ |
| 926 | switch (adapter->vfinfo[vf].vf_api) { |
| 927 | case ixgbe_mbox_api_20: |
| 928 | case ixgbe_mbox_api_11: |
Vlad Zolotarov | 4ce37a4 | 2015-04-01 11:24:54 +0300 | [diff] [blame] | 929 | case ixgbe_mbox_api_12: |
Alexander Duyck | f591cd9 | 2012-07-20 08:09:32 +0000 | [diff] [blame] | 930 | break; |
| 931 | default: |
| 932 | return -1; |
| 933 | } |
| 934 | |
| 935 | /* only allow 1 Tx queue for bandwidth limiting */ |
| 936 | msgbuf[IXGBE_VF_TX_QUEUES] = __ALIGN_MASK(1, ~vmdq->mask); |
| 937 | msgbuf[IXGBE_VF_RX_QUEUES] = __ALIGN_MASK(1, ~vmdq->mask); |
| 938 | |
| 939 | /* if TCs > 1 determine which TC belongs to default user priority */ |
| 940 | if (num_tcs > 1) |
| 941 | default_tc = netdev_get_prio_tc_map(dev, adapter->default_up); |
| 942 | |
| 943 | /* notify VF of need for VLAN tag stripping, and correct queue */ |
| 944 | if (num_tcs) |
| 945 | msgbuf[IXGBE_VF_TRANS_VLAN] = num_tcs; |
| 946 | else if (adapter->vfinfo[vf].pf_vlan || adapter->vfinfo[vf].pf_qos) |
| 947 | msgbuf[IXGBE_VF_TRANS_VLAN] = 1; |
| 948 | else |
| 949 | msgbuf[IXGBE_VF_TRANS_VLAN] = 0; |
| 950 | |
| 951 | /* notify VF of default queue */ |
| 952 | msgbuf[IXGBE_VF_DEF_QUEUE] = default_tc; |
| 953 | |
| 954 | return 0; |
| 955 | } |
| 956 | |
Vlad Zolotarov | 4ce37a4 | 2015-04-01 11:24:54 +0300 | [diff] [blame] | 957 | static int ixgbe_get_vf_reta(struct ixgbe_adapter *adapter, u32 *msgbuf, u32 vf) |
| 958 | { |
| 959 | u32 i, j; |
| 960 | u32 *out_buf = &msgbuf[1]; |
| 961 | const u8 *reta = adapter->rss_indir_tbl; |
| 962 | u32 reta_size = ixgbe_rss_indir_tbl_entries(adapter); |
| 963 | |
| 964 | /* Check if operation is permitted */ |
| 965 | if (!adapter->vfinfo[vf].rss_query_enabled) |
| 966 | return -EPERM; |
| 967 | |
| 968 | /* verify the PF is supporting the correct API */ |
| 969 | if (adapter->vfinfo[vf].vf_api != ixgbe_mbox_api_12) |
| 970 | return -EOPNOTSUPP; |
| 971 | |
| 972 | /* This mailbox command is supported (required) only for 82599 and x540 |
| 973 | * VFs which support up to 4 RSS queues. Therefore we will compress the |
| 974 | * RETA by saving only 2 bits from each entry. This way we will be able |
| 975 | * to transfer the whole RETA in a single mailbox operation. |
| 976 | */ |
| 977 | for (i = 0; i < reta_size / 16; i++) { |
| 978 | out_buf[i] = 0; |
| 979 | for (j = 0; j < 16; j++) |
| 980 | out_buf[i] |= (u32)(reta[16 * i + j] & 0x3) << (2 * j); |
| 981 | } |
| 982 | |
| 983 | return 0; |
| 984 | } |
| 985 | |
Vlad Zolotarov | 3c0841a | 2015-03-30 21:35:27 +0300 | [diff] [blame] | 986 | static int ixgbe_get_vf_rss_key(struct ixgbe_adapter *adapter, |
| 987 | u32 *msgbuf, u32 vf) |
| 988 | { |
| 989 | u32 *rss_key = &msgbuf[1]; |
| 990 | |
| 991 | /* Check if the operation is permitted */ |
| 992 | if (!adapter->vfinfo[vf].rss_query_enabled) |
| 993 | return -EPERM; |
| 994 | |
| 995 | /* verify the PF is supporting the correct API */ |
| 996 | if (adapter->vfinfo[vf].vf_api != ixgbe_mbox_api_12) |
| 997 | return -EOPNOTSUPP; |
| 998 | |
| 999 | memcpy(rss_key, adapter->rss_key, sizeof(adapter->rss_key)); |
| 1000 | |
| 1001 | return 0; |
| 1002 | } |
| 1003 | |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 1004 | static int ixgbe_rcv_msg_from_vf(struct ixgbe_adapter *adapter, u32 vf) |
| 1005 | { |
| 1006 | u32 mbx_size = IXGBE_VFMAILBOX_SIZE; |
Emil Tantilov | c050999 | 2011-05-07 06:49:18 +0000 | [diff] [blame] | 1007 | u32 msgbuf[IXGBE_VFMAILBOX_SIZE]; |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 1008 | struct ixgbe_hw *hw = &adapter->hw; |
| 1009 | s32 retval; |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 1010 | |
| 1011 | retval = ixgbe_read_mbx(hw, msgbuf, mbx_size, vf); |
| 1012 | |
Alexander Duyck | dcaccc8 | 2012-03-28 08:03:38 +0000 | [diff] [blame] | 1013 | if (retval) { |
Emil Tantilov | 849c454 | 2010-06-03 16:53:41 +0000 | [diff] [blame] | 1014 | pr_err("Error receiving message from VF\n"); |
Alexander Duyck | dcaccc8 | 2012-03-28 08:03:38 +0000 | [diff] [blame] | 1015 | return retval; |
| 1016 | } |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 1017 | |
| 1018 | /* this is a message we already processed, do nothing */ |
| 1019 | if (msgbuf[0] & (IXGBE_VT_MSGTYPE_ACK | IXGBE_VT_MSGTYPE_NACK)) |
Mark Rustad | e90dd26 | 2014-07-22 06:51:08 +0000 | [diff] [blame] | 1020 | return 0; |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 1021 | |
Alexander Duyck | dcaccc8 | 2012-03-28 08:03:38 +0000 | [diff] [blame] | 1022 | /* flush the ack before we write any messages back */ |
| 1023 | IXGBE_WRITE_FLUSH(hw); |
| 1024 | |
Alexander Duyck | 374c65d | 2012-07-20 08:09:22 +0000 | [diff] [blame] | 1025 | if (msgbuf[0] == IXGBE_VF_RESET) |
| 1026 | return ixgbe_vf_reset_msg(adapter, vf); |
| 1027 | |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 1028 | /* |
| 1029 | * until the vf completes a virtual function reset it should not be |
| 1030 | * allowed to start any configuration. |
| 1031 | */ |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 1032 | if (!adapter->vfinfo[vf].clear_to_send) { |
| 1033 | msgbuf[0] |= IXGBE_VT_MSGTYPE_NACK; |
| 1034 | ixgbe_write_mbx(hw, msgbuf, 1, vf); |
Mark Rustad | e90dd26 | 2014-07-22 06:51:08 +0000 | [diff] [blame] | 1035 | return 0; |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 1036 | } |
| 1037 | |
| 1038 | switch ((msgbuf[0] & 0xFFFF)) { |
| 1039 | case IXGBE_VF_SET_MAC_ADDR: |
Alexander Duyck | 58a02be | 2012-07-20 08:09:17 +0000 | [diff] [blame] | 1040 | retval = ixgbe_set_vf_mac_addr(adapter, msgbuf, vf); |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 1041 | break; |
| 1042 | case IXGBE_VF_SET_MULTICAST: |
Alexander Duyck | 58a02be | 2012-07-20 08:09:17 +0000 | [diff] [blame] | 1043 | retval = ixgbe_set_vf_multicasts(adapter, msgbuf, vf); |
| 1044 | break; |
| 1045 | case IXGBE_VF_SET_VLAN: |
| 1046 | retval = ixgbe_set_vf_vlan_msg(adapter, msgbuf, vf); |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 1047 | break; |
| 1048 | case IXGBE_VF_SET_LPE: |
Alexander Duyck | 872844d | 2012-08-15 02:10:43 +0000 | [diff] [blame] | 1049 | retval = ixgbe_set_vf_lpe(adapter, msgbuf, vf); |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 1050 | break; |
Greg Rose | a1cbb15c | 2011-05-13 01:33:48 +0000 | [diff] [blame] | 1051 | case IXGBE_VF_SET_MACVLAN: |
Alexander Duyck | 58a02be | 2012-07-20 08:09:17 +0000 | [diff] [blame] | 1052 | retval = ixgbe_set_vf_macvlan_msg(adapter, msgbuf, vf); |
Greg Rose | a1cbb15c | 2011-05-13 01:33:48 +0000 | [diff] [blame] | 1053 | break; |
Alexander Duyck | 374c65d | 2012-07-20 08:09:22 +0000 | [diff] [blame] | 1054 | case IXGBE_VF_API_NEGOTIATE: |
| 1055 | retval = ixgbe_negotiate_vf_api(adapter, msgbuf, vf); |
| 1056 | break; |
Alexander Duyck | f591cd9 | 2012-07-20 08:09:32 +0000 | [diff] [blame] | 1057 | case IXGBE_VF_GET_QUEUES: |
| 1058 | retval = ixgbe_get_vf_queues(adapter, msgbuf, vf); |
| 1059 | break; |
Vlad Zolotarov | 4ce37a4 | 2015-04-01 11:24:54 +0300 | [diff] [blame] | 1060 | case IXGBE_VF_GET_RETA: |
| 1061 | retval = ixgbe_get_vf_reta(adapter, msgbuf, vf); |
| 1062 | break; |
Vlad Zolotarov | 3c0841a | 2015-03-30 21:35:27 +0300 | [diff] [blame] | 1063 | case IXGBE_VF_GET_RSS_KEY: |
| 1064 | retval = ixgbe_get_vf_rss_key(adapter, msgbuf, vf); |
| 1065 | break; |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 1066 | default: |
Emil Tantilov | 396e799 | 2010-07-01 20:05:12 +0000 | [diff] [blame] | 1067 | e_err(drv, "Unhandled Msg %8.8x\n", msgbuf[0]); |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 1068 | retval = IXGBE_ERR_MBX; |
| 1069 | break; |
| 1070 | } |
| 1071 | |
| 1072 | /* notify the VF of the results of what it sent us */ |
| 1073 | if (retval) |
| 1074 | msgbuf[0] |= IXGBE_VT_MSGTYPE_NACK; |
| 1075 | else |
| 1076 | msgbuf[0] |= IXGBE_VT_MSGTYPE_ACK; |
| 1077 | |
| 1078 | msgbuf[0] |= IXGBE_VT_MSGTYPE_CTS; |
| 1079 | |
Alexander Duyck | 374c65d | 2012-07-20 08:09:22 +0000 | [diff] [blame] | 1080 | ixgbe_write_mbx(hw, msgbuf, mbx_size, vf); |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 1081 | |
| 1082 | return retval; |
| 1083 | } |
| 1084 | |
| 1085 | static void ixgbe_rcv_ack_from_vf(struct ixgbe_adapter *adapter, u32 vf) |
| 1086 | { |
| 1087 | struct ixgbe_hw *hw = &adapter->hw; |
| 1088 | u32 msg = IXGBE_VT_MSGTYPE_NACK; |
| 1089 | |
| 1090 | /* if device isn't clear to send it shouldn't be reading either */ |
| 1091 | if (!adapter->vfinfo[vf].clear_to_send) |
| 1092 | ixgbe_write_mbx(hw, &msg, 1, vf); |
| 1093 | } |
| 1094 | |
| 1095 | void ixgbe_msg_task(struct ixgbe_adapter *adapter) |
| 1096 | { |
| 1097 | struct ixgbe_hw *hw = &adapter->hw; |
| 1098 | u32 vf; |
| 1099 | |
| 1100 | for (vf = 0; vf < adapter->num_vfs; vf++) { |
| 1101 | /* process any reset requests */ |
| 1102 | if (!ixgbe_check_for_rst(hw, vf)) |
| 1103 | ixgbe_vf_reset_event(adapter, vf); |
| 1104 | |
| 1105 | /* process any messages pending */ |
| 1106 | if (!ixgbe_check_for_msg(hw, vf)) |
| 1107 | ixgbe_rcv_msg_from_vf(adapter, vf); |
| 1108 | |
| 1109 | /* process any acks */ |
| 1110 | if (!ixgbe_check_for_ack(hw, vf)) |
| 1111 | ixgbe_rcv_ack_from_vf(adapter, vf); |
| 1112 | } |
| 1113 | } |
| 1114 | |
Greg Rose | 767081a | 2010-01-22 22:46:40 +0000 | [diff] [blame] | 1115 | void ixgbe_disable_tx_rx(struct ixgbe_adapter *adapter) |
| 1116 | { |
| 1117 | struct ixgbe_hw *hw = &adapter->hw; |
| 1118 | |
| 1119 | /* disable transmit and receive for all vfs */ |
| 1120 | IXGBE_WRITE_REG(hw, IXGBE_VFTE(0), 0); |
| 1121 | IXGBE_WRITE_REG(hw, IXGBE_VFTE(1), 0); |
| 1122 | |
| 1123 | IXGBE_WRITE_REG(hw, IXGBE_VFRE(0), 0); |
| 1124 | IXGBE_WRITE_REG(hw, IXGBE_VFRE(1), 0); |
| 1125 | } |
| 1126 | |
| 1127 | void ixgbe_ping_all_vfs(struct ixgbe_adapter *adapter) |
| 1128 | { |
| 1129 | struct ixgbe_hw *hw = &adapter->hw; |
| 1130 | u32 ping; |
| 1131 | int i; |
| 1132 | |
| 1133 | for (i = 0 ; i < adapter->num_vfs; i++) { |
| 1134 | ping = IXGBE_PF_CONTROL_MSG; |
| 1135 | if (adapter->vfinfo[i].clear_to_send) |
| 1136 | ping |= IXGBE_VT_MSGTYPE_CTS; |
| 1137 | ixgbe_write_mbx(hw, &ping, 1, i); |
| 1138 | } |
| 1139 | } |
| 1140 | |
Greg Rose | 7f01648 | 2010-05-04 22:12:06 +0000 | [diff] [blame] | 1141 | int ixgbe_ndo_set_vf_mac(struct net_device *netdev, int vf, u8 *mac) |
| 1142 | { |
| 1143 | struct ixgbe_adapter *adapter = netdev_priv(netdev); |
| 1144 | if (!is_valid_ether_addr(mac) || (vf >= adapter->num_vfs)) |
| 1145 | return -EINVAL; |
| 1146 | adapter->vfinfo[vf].pf_set_mac = true; |
| 1147 | dev_info(&adapter->pdev->dev, "setting MAC %pM on VF %d\n", mac, vf); |
| 1148 | dev_info(&adapter->pdev->dev, "Reload the VF driver to make this" |
| 1149 | " change effective."); |
| 1150 | if (test_bit(__IXGBE_DOWN, &adapter->state)) { |
| 1151 | dev_warn(&adapter->pdev->dev, "The VF MAC address has been set," |
| 1152 | " but the PF device is not up.\n"); |
| 1153 | dev_warn(&adapter->pdev->dev, "Bring the PF device up before" |
| 1154 | " attempting to use the VF device.\n"); |
| 1155 | } |
| 1156 | return ixgbe_set_vf_mac(adapter, vf, mac); |
| 1157 | } |
| 1158 | |
Don Skidmore | 2b509c0 | 2014-11-01 01:06:57 +0000 | [diff] [blame] | 1159 | static int ixgbe_enable_port_vlan(struct ixgbe_adapter *adapter, int vf, |
| 1160 | u16 vlan, u8 qos) |
| 1161 | { |
| 1162 | struct ixgbe_hw *hw = &adapter->hw; |
Emil Tantilov | 42ce2c8 | 2014-12-10 05:28:51 +0000 | [diff] [blame] | 1163 | int err; |
Don Skidmore | 2b509c0 | 2014-11-01 01:06:57 +0000 | [diff] [blame] | 1164 | |
Emil Tantilov | 42ce2c8 | 2014-12-10 05:28:51 +0000 | [diff] [blame] | 1165 | err = ixgbe_set_vf_vlan(adapter, true, vlan, vf); |
Don Skidmore | 2b509c0 | 2014-11-01 01:06:57 +0000 | [diff] [blame] | 1166 | if (err) |
| 1167 | goto out; |
Emil Tantilov | 42ce2c8 | 2014-12-10 05:28:51 +0000 | [diff] [blame] | 1168 | |
Don Skidmore | 2b509c0 | 2014-11-01 01:06:57 +0000 | [diff] [blame] | 1169 | ixgbe_set_vmvir(adapter, vlan, qos, vf); |
| 1170 | ixgbe_set_vmolr(hw, vf, false); |
| 1171 | if (adapter->vfinfo[vf].spoofchk_enabled) |
| 1172 | hw->mac.ops.set_vlan_anti_spoofing(hw, true, vf); |
| 1173 | adapter->vfinfo[vf].vlan_count++; |
Don Skidmore | 9a75a1a | 2014-11-07 03:53:35 +0000 | [diff] [blame] | 1174 | |
| 1175 | /* enable hide vlan on X550 */ |
| 1176 | if (hw->mac.type >= ixgbe_mac_X550) |
| 1177 | ixgbe_write_qde(adapter, vf, IXGBE_QDE_ENABLE | |
| 1178 | IXGBE_QDE_HIDE_VLAN); |
| 1179 | |
Don Skidmore | 2b509c0 | 2014-11-01 01:06:57 +0000 | [diff] [blame] | 1180 | adapter->vfinfo[vf].pf_vlan = vlan; |
| 1181 | adapter->vfinfo[vf].pf_qos = qos; |
| 1182 | dev_info(&adapter->pdev->dev, |
| 1183 | "Setting VLAN %d, QOS 0x%x on VF %d\n", vlan, qos, vf); |
| 1184 | if (test_bit(__IXGBE_DOWN, &adapter->state)) { |
| 1185 | dev_warn(&adapter->pdev->dev, |
| 1186 | "The VF VLAN has been set, but the PF device is not up.\n"); |
| 1187 | dev_warn(&adapter->pdev->dev, |
| 1188 | "Bring the PF device up before attempting to use the VF device.\n"); |
| 1189 | } |
| 1190 | |
| 1191 | out: |
| 1192 | return err; |
| 1193 | } |
| 1194 | |
| 1195 | static int ixgbe_disable_port_vlan(struct ixgbe_adapter *adapter, int vf) |
| 1196 | { |
| 1197 | struct ixgbe_hw *hw = &adapter->hw; |
| 1198 | int err; |
| 1199 | |
| 1200 | err = ixgbe_set_vf_vlan(adapter, false, |
| 1201 | adapter->vfinfo[vf].pf_vlan, vf); |
| 1202 | ixgbe_clear_vmvir(adapter, vf); |
| 1203 | ixgbe_set_vmolr(hw, vf, true); |
| 1204 | hw->mac.ops.set_vlan_anti_spoofing(hw, false, vf); |
| 1205 | if (adapter->vfinfo[vf].vlan_count) |
| 1206 | adapter->vfinfo[vf].vlan_count--; |
Emil Tantilov | 42ce2c8 | 2014-12-10 05:28:51 +0000 | [diff] [blame] | 1207 | |
| 1208 | /* disable hide VLAN on X550 */ |
| 1209 | if (hw->mac.type >= ixgbe_mac_X550) |
| 1210 | ixgbe_write_qde(adapter, vf, IXGBE_QDE_ENABLE); |
| 1211 | |
Don Skidmore | 2b509c0 | 2014-11-01 01:06:57 +0000 | [diff] [blame] | 1212 | adapter->vfinfo[vf].pf_vlan = 0; |
| 1213 | adapter->vfinfo[vf].pf_qos = 0; |
| 1214 | |
| 1215 | return err; |
| 1216 | } |
| 1217 | |
Greg Rose | 7f01648 | 2010-05-04 22:12:06 +0000 | [diff] [blame] | 1218 | int ixgbe_ndo_set_vf_vlan(struct net_device *netdev, int vf, u16 vlan, u8 qos) |
| 1219 | { |
| 1220 | int err = 0; |
| 1221 | struct ixgbe_adapter *adapter = netdev_priv(netdev); |
| 1222 | |
| 1223 | if ((vf >= adapter->num_vfs) || (vlan > 4095) || (qos > 7)) |
| 1224 | return -EINVAL; |
| 1225 | if (vlan || qos) { |
Don Skidmore | 2b509c0 | 2014-11-01 01:06:57 +0000 | [diff] [blame] | 1226 | /* Check if there is already a port VLAN set, if so |
| 1227 | * we have to delete the old one first before we |
| 1228 | * can set the new one. The usage model had |
| 1229 | * previously assumed the user would delete the |
| 1230 | * old port VLAN before setting a new one but this |
| 1231 | * is not necessarily the case. |
| 1232 | */ |
Greg Rose | 026ac67 | 2013-04-17 20:41:35 +0000 | [diff] [blame] | 1233 | if (adapter->vfinfo[vf].pf_vlan) |
Don Skidmore | 2b509c0 | 2014-11-01 01:06:57 +0000 | [diff] [blame] | 1234 | err = ixgbe_disable_port_vlan(adapter, vf); |
Greg Rose | 026ac67 | 2013-04-17 20:41:35 +0000 | [diff] [blame] | 1235 | if (err) |
| 1236 | goto out; |
Don Skidmore | 2b509c0 | 2014-11-01 01:06:57 +0000 | [diff] [blame] | 1237 | err = ixgbe_enable_port_vlan(adapter, vf, vlan, qos); |
Greg Rose | 7f01648 | 2010-05-04 22:12:06 +0000 | [diff] [blame] | 1238 | } else { |
Don Skidmore | 2b509c0 | 2014-11-01 01:06:57 +0000 | [diff] [blame] | 1239 | err = ixgbe_disable_port_vlan(adapter, vf); |
Jacob Keller | e7cf745 | 2014-04-09 06:03:10 +0000 | [diff] [blame] | 1240 | } |
Don Skidmore | 2b509c0 | 2014-11-01 01:06:57 +0000 | [diff] [blame] | 1241 | |
Greg Rose | 7f01648 | 2010-05-04 22:12:06 +0000 | [diff] [blame] | 1242 | out: |
Jacob Keller | e7cf745 | 2014-04-09 06:03:10 +0000 | [diff] [blame] | 1243 | return err; |
Greg Rose | 7f01648 | 2010-05-04 22:12:06 +0000 | [diff] [blame] | 1244 | } |
| 1245 | |
Alexander Duyck | 9f66d3e | 2012-07-20 08:09:06 +0000 | [diff] [blame] | 1246 | static int ixgbe_link_mbps(struct ixgbe_adapter *adapter) |
Lior Levy | ff4ab20 | 2011-03-11 02:03:07 +0000 | [diff] [blame] | 1247 | { |
Alexander Duyck | 9f66d3e | 2012-07-20 08:09:06 +0000 | [diff] [blame] | 1248 | switch (adapter->link_speed) { |
Lior Levy | ff4ab20 | 2011-03-11 02:03:07 +0000 | [diff] [blame] | 1249 | case IXGBE_LINK_SPEED_100_FULL: |
| 1250 | return 100; |
| 1251 | case IXGBE_LINK_SPEED_1GB_FULL: |
| 1252 | return 1000; |
| 1253 | case IXGBE_LINK_SPEED_10GB_FULL: |
| 1254 | return 10000; |
| 1255 | default: |
| 1256 | return 0; |
| 1257 | } |
| 1258 | } |
| 1259 | |
Alexander Duyck | 9f66d3e | 2012-07-20 08:09:06 +0000 | [diff] [blame] | 1260 | static void ixgbe_set_vf_rate_limit(struct ixgbe_adapter *adapter, int vf) |
Lior Levy | ff4ab20 | 2011-03-11 02:03:07 +0000 | [diff] [blame] | 1261 | { |
Alexander Duyck | 9f66d3e | 2012-07-20 08:09:06 +0000 | [diff] [blame] | 1262 | struct ixgbe_ring_feature *vmdq = &adapter->ring_feature[RING_F_VMDQ]; |
| 1263 | struct ixgbe_hw *hw = &adapter->hw; |
| 1264 | u32 bcnrc_val = 0; |
| 1265 | u16 queue, queues_per_pool; |
| 1266 | u16 tx_rate = adapter->vfinfo[vf].tx_rate; |
Lior Levy | ff4ab20 | 2011-03-11 02:03:07 +0000 | [diff] [blame] | 1267 | |
Alexander Duyck | 9f66d3e | 2012-07-20 08:09:06 +0000 | [diff] [blame] | 1268 | if (tx_rate) { |
| 1269 | /* start with base link speed value */ |
| 1270 | bcnrc_val = adapter->vf_rate_link_speed; |
| 1271 | |
Lior Levy | ff4ab20 | 2011-03-11 02:03:07 +0000 | [diff] [blame] | 1272 | /* Calculate the rate factor values to set */ |
Alexander Duyck | 9f66d3e | 2012-07-20 08:09:06 +0000 | [diff] [blame] | 1273 | bcnrc_val <<= IXGBE_RTTBCNRC_RF_INT_SHIFT; |
| 1274 | bcnrc_val /= tx_rate; |
Lior Levy | ff4ab20 | 2011-03-11 02:03:07 +0000 | [diff] [blame] | 1275 | |
Alexander Duyck | 9f66d3e | 2012-07-20 08:09:06 +0000 | [diff] [blame] | 1276 | /* clear everything but the rate factor */ |
| 1277 | bcnrc_val &= IXGBE_RTTBCNRC_RF_INT_MASK | |
| 1278 | IXGBE_RTTBCNRC_RF_DEC_MASK; |
| 1279 | |
| 1280 | /* enable the rate scheduler */ |
| 1281 | bcnrc_val |= IXGBE_RTTBCNRC_RS_ENA; |
Lior Levy | ff4ab20 | 2011-03-11 02:03:07 +0000 | [diff] [blame] | 1282 | } |
| 1283 | |
Lior Levy | 7555e83 | 2011-06-25 00:09:08 -0700 | [diff] [blame] | 1284 | /* |
| 1285 | * Set global transmit compensation time to the MMW_SIZE in RTTBCNRM |
| 1286 | * register. Typically MMW_SIZE=0x014 if 9728-byte jumbo is supported |
| 1287 | * and 0x004 otherwise. |
| 1288 | */ |
| 1289 | switch (hw->mac.type) { |
| 1290 | case ixgbe_mac_82599EB: |
| 1291 | IXGBE_WRITE_REG(hw, IXGBE_RTTBCNRM, 0x4); |
| 1292 | break; |
| 1293 | case ixgbe_mac_X540: |
| 1294 | IXGBE_WRITE_REG(hw, IXGBE_RTTBCNRM, 0x14); |
| 1295 | break; |
| 1296 | default: |
| 1297 | break; |
| 1298 | } |
| 1299 | |
Alexander Duyck | 9f66d3e | 2012-07-20 08:09:06 +0000 | [diff] [blame] | 1300 | /* determine how many queues per pool based on VMDq mask */ |
| 1301 | queues_per_pool = __ALIGN_MASK(1, ~vmdq->mask); |
| 1302 | |
| 1303 | /* write value for all Tx queues belonging to VF */ |
| 1304 | for (queue = 0; queue < queues_per_pool; queue++) { |
| 1305 | unsigned int reg_idx = (vf * queues_per_pool) + queue; |
| 1306 | |
| 1307 | IXGBE_WRITE_REG(hw, IXGBE_RTTDQSEL, reg_idx); |
| 1308 | IXGBE_WRITE_REG(hw, IXGBE_RTTBCNRC, bcnrc_val); |
| 1309 | } |
Lior Levy | ff4ab20 | 2011-03-11 02:03:07 +0000 | [diff] [blame] | 1310 | } |
| 1311 | |
| 1312 | void ixgbe_check_vf_rate_limit(struct ixgbe_adapter *adapter) |
| 1313 | { |
Alexander Duyck | 9f66d3e | 2012-07-20 08:09:06 +0000 | [diff] [blame] | 1314 | int i; |
Lior Levy | ff4ab20 | 2011-03-11 02:03:07 +0000 | [diff] [blame] | 1315 | |
| 1316 | /* VF Tx rate limit was not set */ |
Alexander Duyck | 9f66d3e | 2012-07-20 08:09:06 +0000 | [diff] [blame] | 1317 | if (!adapter->vf_rate_link_speed) |
Lior Levy | ff4ab20 | 2011-03-11 02:03:07 +0000 | [diff] [blame] | 1318 | return; |
| 1319 | |
Alexander Duyck | 9f66d3e | 2012-07-20 08:09:06 +0000 | [diff] [blame] | 1320 | if (ixgbe_link_mbps(adapter) != adapter->vf_rate_link_speed) { |
Lior Levy | ff4ab20 | 2011-03-11 02:03:07 +0000 | [diff] [blame] | 1321 | adapter->vf_rate_link_speed = 0; |
| 1322 | dev_info(&adapter->pdev->dev, |
Alexander Duyck | 9f66d3e | 2012-07-20 08:09:06 +0000 | [diff] [blame] | 1323 | "Link speed has been changed. VF Transmit rate is disabled\n"); |
Lior Levy | ff4ab20 | 2011-03-11 02:03:07 +0000 | [diff] [blame] | 1324 | } |
| 1325 | |
| 1326 | for (i = 0; i < adapter->num_vfs; i++) { |
Alexander Duyck | 9f66d3e | 2012-07-20 08:09:06 +0000 | [diff] [blame] | 1327 | if (!adapter->vf_rate_link_speed) |
Lior Levy | ff4ab20 | 2011-03-11 02:03:07 +0000 | [diff] [blame] | 1328 | adapter->vfinfo[i].tx_rate = 0; |
| 1329 | |
Alexander Duyck | 9f66d3e | 2012-07-20 08:09:06 +0000 | [diff] [blame] | 1330 | ixgbe_set_vf_rate_limit(adapter, i); |
Lior Levy | ff4ab20 | 2011-03-11 02:03:07 +0000 | [diff] [blame] | 1331 | } |
| 1332 | } |
| 1333 | |
Sucheta Chakraborty | ed61668 | 2014-05-22 09:59:05 -0400 | [diff] [blame] | 1334 | int ixgbe_ndo_set_vf_bw(struct net_device *netdev, int vf, int min_tx_rate, |
| 1335 | int max_tx_rate) |
Greg Rose | 7f01648 | 2010-05-04 22:12:06 +0000 | [diff] [blame] | 1336 | { |
Lior Levy | ff4ab20 | 2011-03-11 02:03:07 +0000 | [diff] [blame] | 1337 | struct ixgbe_adapter *adapter = netdev_priv(netdev); |
Alexander Duyck | 9f66d3e | 2012-07-20 08:09:06 +0000 | [diff] [blame] | 1338 | int link_speed; |
Lior Levy | ff4ab20 | 2011-03-11 02:03:07 +0000 | [diff] [blame] | 1339 | |
Alexander Duyck | 9f66d3e | 2012-07-20 08:09:06 +0000 | [diff] [blame] | 1340 | /* verify VF is active */ |
| 1341 | if (vf >= adapter->num_vfs) |
Lior Levy | ff4ab20 | 2011-03-11 02:03:07 +0000 | [diff] [blame] | 1342 | return -EINVAL; |
| 1343 | |
Alexander Duyck | 9f66d3e | 2012-07-20 08:09:06 +0000 | [diff] [blame] | 1344 | /* verify link is up */ |
| 1345 | if (!adapter->link_up) |
| 1346 | return -EINVAL; |
| 1347 | |
| 1348 | /* verify we are linked at 10Gbps */ |
| 1349 | link_speed = ixgbe_link_mbps(adapter); |
| 1350 | if (link_speed != 10000) |
| 1351 | return -EINVAL; |
| 1352 | |
Sucheta Chakraborty | ed61668 | 2014-05-22 09:59:05 -0400 | [diff] [blame] | 1353 | if (min_tx_rate) |
| 1354 | return -EINVAL; |
| 1355 | |
Alexander Duyck | 9f66d3e | 2012-07-20 08:09:06 +0000 | [diff] [blame] | 1356 | /* rate limit cannot be less than 10Mbs or greater than link speed */ |
Sucheta Chakraborty | ed61668 | 2014-05-22 09:59:05 -0400 | [diff] [blame] | 1357 | if (max_tx_rate && ((max_tx_rate <= 10) || (max_tx_rate > link_speed))) |
Alexander Duyck | 9f66d3e | 2012-07-20 08:09:06 +0000 | [diff] [blame] | 1358 | return -EINVAL; |
| 1359 | |
| 1360 | /* store values */ |
| 1361 | adapter->vf_rate_link_speed = link_speed; |
Sucheta Chakraborty | ed61668 | 2014-05-22 09:59:05 -0400 | [diff] [blame] | 1362 | adapter->vfinfo[vf].tx_rate = max_tx_rate; |
Alexander Duyck | 9f66d3e | 2012-07-20 08:09:06 +0000 | [diff] [blame] | 1363 | |
| 1364 | /* update hardware configuration */ |
| 1365 | ixgbe_set_vf_rate_limit(adapter, vf); |
Lior Levy | ff4ab20 | 2011-03-11 02:03:07 +0000 | [diff] [blame] | 1366 | |
| 1367 | return 0; |
Greg Rose | 7f01648 | 2010-05-04 22:12:06 +0000 | [diff] [blame] | 1368 | } |
| 1369 | |
Greg Rose | de4c7f6 | 2011-09-29 05:57:33 +0000 | [diff] [blame] | 1370 | int ixgbe_ndo_set_vf_spoofchk(struct net_device *netdev, int vf, bool setting) |
| 1371 | { |
| 1372 | struct ixgbe_adapter *adapter = netdev_priv(netdev); |
| 1373 | int vf_target_reg = vf >> 3; |
| 1374 | int vf_target_shift = vf % 8; |
| 1375 | struct ixgbe_hw *hw = &adapter->hw; |
| 1376 | u32 regval; |
| 1377 | |
Emil Tantilov | 600a507 | 2014-10-16 15:49:02 +0000 | [diff] [blame] | 1378 | if (vf >= adapter->num_vfs) |
| 1379 | return -EINVAL; |
| 1380 | |
Greg Rose | de4c7f6 | 2011-09-29 05:57:33 +0000 | [diff] [blame] | 1381 | adapter->vfinfo[vf].spoofchk_enabled = setting; |
| 1382 | |
| 1383 | regval = IXGBE_READ_REG(hw, IXGBE_PFVFSPOOF(vf_target_reg)); |
| 1384 | regval &= ~(1 << vf_target_shift); |
| 1385 | regval |= (setting << vf_target_shift); |
| 1386 | IXGBE_WRITE_REG(hw, IXGBE_PFVFSPOOF(vf_target_reg), regval); |
| 1387 | |
| 1388 | if (adapter->vfinfo[vf].vlan_count) { |
| 1389 | vf_target_shift += IXGBE_SPOOF_VLANAS_SHIFT; |
| 1390 | regval = IXGBE_READ_REG(hw, IXGBE_PFVFSPOOF(vf_target_reg)); |
| 1391 | regval &= ~(1 << vf_target_shift); |
| 1392 | regval |= (setting << vf_target_shift); |
| 1393 | IXGBE_WRITE_REG(hw, IXGBE_PFVFSPOOF(vf_target_reg), regval); |
| 1394 | } |
| 1395 | |
| 1396 | return 0; |
| 1397 | } |
| 1398 | |
Vlad Zolotarov | e65ce0d | 2015-03-30 21:35:24 +0300 | [diff] [blame] | 1399 | int ixgbe_ndo_set_vf_rss_query_en(struct net_device *netdev, int vf, |
| 1400 | bool setting) |
| 1401 | { |
| 1402 | struct ixgbe_adapter *adapter = netdev_priv(netdev); |
| 1403 | |
| 1404 | /* This operation is currently supported only for 82599 and x540 |
| 1405 | * devices. |
| 1406 | */ |
| 1407 | if (adapter->hw.mac.type < ixgbe_mac_82599EB || |
| 1408 | adapter->hw.mac.type >= ixgbe_mac_X550) |
| 1409 | return -EOPNOTSUPP; |
| 1410 | |
| 1411 | if (vf >= adapter->num_vfs) |
| 1412 | return -EINVAL; |
| 1413 | |
| 1414 | adapter->vfinfo[vf].rss_query_enabled = setting; |
| 1415 | |
| 1416 | return 0; |
| 1417 | } |
| 1418 | |
Greg Rose | 7f01648 | 2010-05-04 22:12:06 +0000 | [diff] [blame] | 1419 | int ixgbe_ndo_get_vf_config(struct net_device *netdev, |
| 1420 | int vf, struct ifla_vf_info *ivi) |
| 1421 | { |
| 1422 | struct ixgbe_adapter *adapter = netdev_priv(netdev); |
| 1423 | if (vf >= adapter->num_vfs) |
| 1424 | return -EINVAL; |
| 1425 | ivi->vf = vf; |
| 1426 | memcpy(&ivi->mac, adapter->vfinfo[vf].vf_mac_addresses, ETH_ALEN); |
Sucheta Chakraborty | ed61668 | 2014-05-22 09:59:05 -0400 | [diff] [blame] | 1427 | ivi->max_tx_rate = adapter->vfinfo[vf].tx_rate; |
| 1428 | ivi->min_tx_rate = 0; |
Greg Rose | 7f01648 | 2010-05-04 22:12:06 +0000 | [diff] [blame] | 1429 | ivi->vlan = adapter->vfinfo[vf].pf_vlan; |
| 1430 | ivi->qos = adapter->vfinfo[vf].pf_qos; |
Greg Rose | de4c7f6 | 2011-09-29 05:57:33 +0000 | [diff] [blame] | 1431 | ivi->spoofchk = adapter->vfinfo[vf].spoofchk_enabled; |
Vlad Zolotarov | e65ce0d | 2015-03-30 21:35:24 +0300 | [diff] [blame] | 1432 | ivi->rss_query_en = adapter->vfinfo[vf].rss_query_enabled; |
Greg Rose | 7f01648 | 2010-05-04 22:12:06 +0000 | [diff] [blame] | 1433 | return 0; |
| 1434 | } |