drivers/net/ethernet/intel/i40evf/i40e_common.c

   1 /*******************************************************************************
   2  *
   3  * Intel Ethernet Controller XL710 Family Linux Virtual Function Driver
   4  * Copyright(c) 2013 - 2014 Intel Corporation.
   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
  16  * with this program.  If not, see <http://www.gnu.org/licenses/>.
  17  *
  18  * The full GNU General Public License is included in this distribution in
  19  * the file called "COPYING".
  20  *
  21  * Contact Information:
  22  * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
  23  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  24  *
  25  ******************************************************************************/
  26
  27 #include "i40e_type.h"
  28 #include "i40e_adminq.h"
  29 #include "i40e_prototype.h"
  30 #include "i40e_virtchnl.h"
  31
  32 /**
  33  * i40e_set_mac_type - Sets MAC type
  34  * @hw: pointer to the HW structure
  35  *
  36  * This function sets the mac type of the adapter based on the
  37  * vendor ID and device ID stored in the hw structure.
  38  **/
  39 i40e_status i40e_set_mac_type(struct i40e_hw *hw)
  40 {
  41         i40e_status status = 0;
  42
  43         if (hw->vendor_id == PCI_VENDOR_ID_INTEL) {
  44                 switch (hw->device_id) {
  45                 case I40E_DEV_ID_SFP_XL710:
  46                 case I40E_DEV_ID_QEMU:
  47                 case I40E_DEV_ID_KX_A:
  48                 case I40E_DEV_ID_KX_B:
  49                 case I40E_DEV_ID_KX_C:
  50                 case I40E_DEV_ID_QSFP_A:
  51                 case I40E_DEV_ID_QSFP_B:
  52                 case I40E_DEV_ID_QSFP_C:
  53                 case I40E_DEV_ID_10G_BASE_T:
  54                         hw->mac.type = I40E_MAC_XL710;
  55                         break;
  56                 case I40E_DEV_ID_VF:
  57                 case I40E_DEV_ID_VF_HV:
  58                         hw->mac.type = I40E_MAC_VF;
  59                         break;
  60                 default:
  61                         hw->mac.type = I40E_MAC_GENERIC;
  62                         break;
  63                 }
  64         } else {
  65                 status = I40E_ERR_DEVICE_NOT_SUPPORTED;
  66         }
  67
  68         hw_dbg(hw, "i40e_set_mac_type found mac: %d, returns: %d\n",
  69                   hw->mac.type, status);
  70         return status;
  71 }
  72
  73 /**
  74  * i40evf_debug_aq
  75  * @hw: debug mask related to admin queue
  76  * @mask: debug mask
  77  * @desc: pointer to admin queue descriptor
  78  * @buffer: pointer to command buffer
  79  * @buf_len: max length of buffer
  80  *
  81  * Dumps debug log about adminq command with descriptor contents.
  82  **/
  83 void i40evf_debug_aq(struct i40e_hw *hw, enum i40e_debug_mask mask, void *desc,
  84                    void *buffer, u16 buf_len)
  85 {
  86         struct i40e_aq_desc *aq_desc = (struct i40e_aq_desc *)desc;
  87         u16 len = le16_to_cpu(aq_desc->datalen);
  88         u8 *buf = (u8 *)buffer;
  89         u16 i = 0;
  90
  91         if ((!(mask & hw->debug_mask)) || (desc == NULL))
  92                 return;
  93
  94         i40e_debug(hw, mask,
  95                    "AQ CMD: opcode 0x%04X, flags 0x%04X, datalen 0x%04X, retval 0x%04X\n",
  96                    le16_to_cpu(aq_desc->opcode),
  97                    le16_to_cpu(aq_desc->flags),
  98                    le16_to_cpu(aq_desc->datalen),
  99                    le16_to_cpu(aq_desc->retval));
 100         i40e_debug(hw, mask, "\tcookie (h,l) 0x%08X 0x%08X\n",
 101                    le32_to_cpu(aq_desc->cookie_high),
 102                    le32_to_cpu(aq_desc->cookie_low));
 103         i40e_debug(hw, mask, "\tparam (0,1)  0x%08X 0x%08X\n",
 104                    le32_to_cpu(aq_desc->params.internal.param0),
 105                    le32_to_cpu(aq_desc->params.internal.param1));
 106         i40e_debug(hw, mask, "\taddr (h,l)   0x%08X 0x%08X\n",
 107                    le32_to_cpu(aq_desc->params.external.addr_high),
 108                    le32_to_cpu(aq_desc->params.external.addr_low));
 109
 110         if ((buffer != NULL) && (aq_desc->datalen != 0)) {
 111                 i40e_debug(hw, mask, "AQ CMD Buffer:\n");
 112                 if (buf_len < len)
 113                         len = buf_len;
 114                 /* write the full 16-byte chunks */
 115                 for (i = 0; i < (len - 16); i += 16)
 116                         i40e_debug(hw, mask,
 117                                    "\t0x%04X  %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X\n",
 118                                    i, buf[i], buf[i + 1], buf[i + 2],
 119                                    buf[i + 3], buf[i + 4], buf[i + 5],
 120                                    buf[i + 6], buf[i + 7], buf[i + 8],
 121                                    buf[i + 9], buf[i + 10], buf[i + 11],
 122                                    buf[i + 12], buf[i + 13], buf[i + 14],
 123                                    buf[i + 15]);
 124                 /* write whatever's left over without overrunning the buffer */
 125                 if (i < len) {
 126                         char d_buf[80];
 127                         int j = 0;
 128
 129                         memset(d_buf, 0, sizeof(d_buf));
 130                         j += sprintf(d_buf, "\t0x%04X ", i);
 131                         while (i < len)
 132                                 j += sprintf(&d_buf[j], " %02X", buf[i++]);
 133                         i40e_debug(hw, mask, "%s\n", d_buf);
 134                 }
 135         }
 136 }
 137
 138 /**
 139  * i40evf_check_asq_alive
 140  * @hw: pointer to the hw struct
 141  *
 142  * Returns true if Queue is enabled else false.
 143  **/
 144 bool i40evf_check_asq_alive(struct i40e_hw *hw)
 145 {
 146         if (hw->aq.asq.len)
 147                 return !!(rd32(hw, hw->aq.asq.len) &
 148                           I40E_PF_ATQLEN_ATQENABLE_MASK);
 149         else
 150                 return false;
 151 }
 152
 153 /**
 154  * i40evf_aq_queue_shutdown
 155  * @hw: pointer to the hw struct
 156  * @unloading: is the driver unloading itself
 157  *
 158  * Tell the Firmware that we're shutting down the AdminQ and whether
 159  * or not the driver is unloading as well.
 160  **/
 161 i40e_status i40evf_aq_queue_shutdown(struct i40e_hw *hw,
 162                                              bool unloading)
 163 {
 164         struct i40e_aq_desc desc;
 165         struct i40e_aqc_queue_shutdown *cmd =
 166                 (struct i40e_aqc_queue_shutdown *)&desc.params.raw;
 167         i40e_status status;
 168
 169         i40evf_fill_default_direct_cmd_desc(&desc,
 170                                           i40e_aqc_opc_queue_shutdown);
 171
 172         if (unloading)
 173                 cmd->driver_unloading = cpu_to_le32(I40E_AQ_DRIVER_UNLOADING);
 174         status = i40evf_asq_send_command(hw, &desc, NULL, 0, NULL);
 175
 176         return status;
 177 }
 178
 179
 180 /* The i40evf_ptype_lookup table is used to convert from the 8-bit ptype in the
 181  * hardware to a bit-field that can be used by SW to more easily determine the
 182  * packet type.
 183  *
 184  * Macros are used to shorten the table lines and make this table human
 185  * readable.
 186  *
 187  * We store the PTYPE in the top byte of the bit field - this is just so that
 188  * we can check that the table doesn't have a row missing, as the index into
 189  * the table should be the PTYPE.
 190  *
 191  * Typical work flow:
 192  *
 193  * IF NOT i40evf_ptype_lookup[ptype].known
 194  * THEN
 195  *      Packet is unknown
 196  * ELSE IF i40evf_ptype_lookup[ptype].outer_ip == I40E_RX_PTYPE_OUTER_IP
 197  *      Use the rest of the fields to look at the tunnels, inner protocols, etc
 198  * ELSE
 199  *      Use the enum i40e_rx_l2_ptype to decode the packet type
 200  * ENDIF
 201  */
 202
 203 /* macro to make the table lines short */
 204 #define I40E_PTT(PTYPE, OUTER_IP, OUTER_IP_VER, OUTER_FRAG, T, TE, TEF, I, PL)\
 205         {       PTYPE, \
 206                 1, \
 207                 I40E_RX_PTYPE_OUTER_##OUTER_IP, \
 208                 I40E_RX_PTYPE_OUTER_##OUTER_IP_VER, \
 209                 I40E_RX_PTYPE_##OUTER_FRAG, \
 210                 I40E_RX_PTYPE_TUNNEL_##T, \
 211                 I40E_RX_PTYPE_TUNNEL_END_##TE, \
 212                 I40E_RX_PTYPE_##TEF, \
 213                 I40E_RX_PTYPE_INNER_PROT_##I, \
 214                 I40E_RX_PTYPE_PAYLOAD_LAYER_##PL }
 215
 216 #define I40E_PTT_UNUSED_ENTRY(PTYPE) \
 217                 { PTYPE, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
 218
 219 /* shorter macros makes the table fit but are terse */
 220 #define I40E_RX_PTYPE_NOF               I40E_RX_PTYPE_NOT_FRAG
 221 #define I40E_RX_PTYPE_FRG               I40E_RX_PTYPE_FRAG
 222 #define I40E_RX_PTYPE_INNER_PROT_TS     I40E_RX_PTYPE_INNER_PROT_TIMESYNC
 223
 224 /* Lookup table mapping the HW PTYPE to the bit field for decoding */
 225 struct i40e_rx_ptype_decoded i40evf_ptype_lookup[] = {
 226         /* L2 Packet types */
 227         I40E_PTT_UNUSED_ENTRY(0),
 228         I40E_PTT(1,  L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY2),
 229         I40E_PTT(2,  L2, NONE, NOF, NONE, NONE, NOF, TS,   PAY2),
 230         I40E_PTT(3,  L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY2),
 231         I40E_PTT_UNUSED_ENTRY(4),
 232         I40E_PTT_UNUSED_ENTRY(5),
 233         I40E_PTT(6,  L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY2),
 234         I40E_PTT(7,  L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY2),
 235         I40E_PTT_UNUSED_ENTRY(8),
 236         I40E_PTT_UNUSED_ENTRY(9),
 237         I40E_PTT(10, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY2),
 238         I40E_PTT(11, L2, NONE, NOF, NONE, NONE, NOF, NONE, NONE),
 239         I40E_PTT(12, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
 240         I40E_PTT(13, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
 241         I40E_PTT(14, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
 242         I40E_PTT(15, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
 243         I40E_PTT(16, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
 244         I40E_PTT(17, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
 245         I40E_PTT(18, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
 246         I40E_PTT(19, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
 247         I40E_PTT(20, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
 248         I40E_PTT(21, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
 249
 250         /* Non Tunneled IPv4 */
 251         I40E_PTT(22, IP, IPV4, FRG, NONE, NONE, NOF, NONE, PAY3),
 252         I40E_PTT(23, IP, IPV4, NOF, NONE, NONE, NOF, NONE, PAY3),
 253         I40E_PTT(24, IP, IPV4, NOF, NONE, NONE, NOF, UDP,  PAY4),
 254         I40E_PTT_UNUSED_ENTRY(25),
 255         I40E_PTT(26, IP, IPV4, NOF, NONE, NONE, NOF, TCP,  PAY4),
 256         I40E_PTT(27, IP, IPV4, NOF, NONE, NONE, NOF, SCTP, PAY4),
 257         I40E_PTT(28, IP, IPV4, NOF, NONE, NONE, NOF, ICMP, PAY4),
 258
 259         /* IPv4 --> IPv4 */
 260         I40E_PTT(29, IP, IPV4, NOF, IP_IP, IPV4, FRG, NONE, PAY3),
 261         I40E_PTT(30, IP, IPV4, NOF, IP_IP, IPV4, NOF, NONE, PAY3),
 262         I40E_PTT(31, IP, IPV4, NOF, IP_IP, IPV4, NOF, UDP,  PAY4),
 263         I40E_PTT_UNUSED_ENTRY(32),
 264         I40E_PTT(33, IP, IPV4, NOF, IP_IP, IPV4, NOF, TCP,  PAY4),
 265         I40E_PTT(34, IP, IPV4, NOF, IP_IP, IPV4, NOF, SCTP, PAY4),
 266         I40E_PTT(35, IP, IPV4, NOF, IP_IP, IPV4, NOF, ICMP, PAY4),
 267
 268         /* IPv4 --> IPv6 */
 269         I40E_PTT(36, IP, IPV4, NOF, IP_IP, IPV6, FRG, NONE, PAY3),
 270         I40E_PTT(37, IP, IPV4, NOF, IP_IP, IPV6, NOF, NONE, PAY3),
 271         I40E_PTT(38, IP, IPV4, NOF, IP_IP, IPV6, NOF, UDP,  PAY4),
 272         I40E_PTT_UNUSED_ENTRY(39),
 273         I40E_PTT(40, IP, IPV4, NOF, IP_IP, IPV6, NOF, TCP,  PAY4),
 274         I40E_PTT(41, IP, IPV4, NOF, IP_IP, IPV6, NOF, SCTP, PAY4),
 275         I40E_PTT(42, IP, IPV4, NOF, IP_IP, IPV6, NOF, ICMP, PAY4),
 276
 277         /* IPv4 --> GRE/NAT */
 278         I40E_PTT(43, IP, IPV4, NOF, IP_GRENAT, NONE, NOF, NONE, PAY3),
 279
 280         /* IPv4 --> GRE/NAT --> IPv4 */
 281         I40E_PTT(44, IP, IPV4, NOF, IP_GRENAT, IPV4, FRG, NONE, PAY3),
 282         I40E_PTT(45, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, NONE, PAY3),
 283         I40E_PTT(46, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, UDP,  PAY4),
 284         I40E_PTT_UNUSED_ENTRY(47),
 285         I40E_PTT(48, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, TCP,  PAY4),
 286         I40E_PTT(49, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, SCTP, PAY4),
 287         I40E_PTT(50, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, ICMP, PAY4),
 288
 289         /* IPv4 --> GRE/NAT --> IPv6 */
 290         I40E_PTT(51, IP, IPV4, NOF, IP_GRENAT, IPV6, FRG, NONE, PAY3),
 291         I40E_PTT(52, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, NONE, PAY3),
 292         I40E_PTT(53, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, UDP,  PAY4),
 293         I40E_PTT_UNUSED_ENTRY(54),
 294         I40E_PTT(55, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, TCP,  PAY4),
 295         I40E_PTT(56, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, SCTP, PAY4),
 296         I40E_PTT(57, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, ICMP, PAY4),
 297
 298         /* IPv4 --> GRE/NAT --> MAC */
 299         I40E_PTT(58, IP, IPV4, NOF, IP_GRENAT_MAC, NONE, NOF, NONE, PAY3),
 300
 301         /* IPv4 --> GRE/NAT --> MAC --> IPv4 */
 302         I40E_PTT(59, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, FRG, NONE, PAY3),
 303         I40E_PTT(60, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, NONE, PAY3),
 304         I40E_PTT(61, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, UDP,  PAY4),
 305         I40E_PTT_UNUSED_ENTRY(62),
 306         I40E_PTT(63, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, TCP,  PAY4),
 307         I40E_PTT(64, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, SCTP, PAY4),
 308         I40E_PTT(65, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, ICMP, PAY4),
 309
 310         /* IPv4 --> GRE/NAT -> MAC --> IPv6 */
 311         I40E_PTT(66, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, FRG, NONE, PAY3),
 312         I40E_PTT(67, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, NONE, PAY3),
 313         I40E_PTT(68, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, UDP,  PAY4),
 314         I40E_PTT_UNUSED_ENTRY(69),
 315         I40E_PTT(70, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, TCP,  PAY4),
 316         I40E_PTT(71, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, SCTP, PAY4),
 317         I40E_PTT(72, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, ICMP, PAY4),
 318
 319         /* IPv4 --> GRE/NAT --> MAC/VLAN */
 320         I40E_PTT(73, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, NONE, NOF, NONE, PAY3),
 321
 322         /* IPv4 ---> GRE/NAT -> MAC/VLAN --> IPv4 */
 323         I40E_PTT(74, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, FRG, NONE, PAY3),
 324         I40E_PTT(75, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, NONE, PAY3),
 325         I40E_PTT(76, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, UDP,  PAY4),
 326         I40E_PTT_UNUSED_ENTRY(77),
 327         I40E_PTT(78, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, TCP,  PAY4),
 328         I40E_PTT(79, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, SCTP, PAY4),
 329         I40E_PTT(80, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, ICMP, PAY4),
 330
 331         /* IPv4 -> GRE/NAT -> MAC/VLAN --> IPv6 */
 332         I40E_PTT(81, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, FRG, NONE, PAY3),
 333         I40E_PTT(82, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, NONE, PAY3),
 334         I40E_PTT(83, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, UDP,  PAY4),
 335         I40E_PTT_UNUSED_ENTRY(84),
 336         I40E_PTT(85, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, TCP,  PAY4),
 337         I40E_PTT(86, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, SCTP, PAY4),
 338         I40E_PTT(87, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, ICMP, PAY4),
 339
 340         /* Non Tunneled IPv6 */
 341         I40E_PTT(88, IP, IPV6, FRG, NONE, NONE, NOF, NONE, PAY3),
 342         I40E_PTT(89, IP, IPV6, NOF, NONE, NONE, NOF, NONE, PAY3),
 343         I40E_PTT(90, IP, IPV6, NOF, NONE, NONE, NOF, UDP,  PAY3),
 344         I40E_PTT_UNUSED_ENTRY(91),
 345         I40E_PTT(92, IP, IPV6, NOF, NONE, NONE, NOF, TCP,  PAY4),
 346         I40E_PTT(93, IP, IPV6, NOF, NONE, NONE, NOF, SCTP, PAY4),
 347         I40E_PTT(94, IP, IPV6, NOF, NONE, NONE, NOF, ICMP, PAY4),
 348
 349         /* IPv6 --> IPv4 */
 350         I40E_PTT(95,  IP, IPV6, NOF, IP_IP, IPV4, FRG, NONE, PAY3),
 351         I40E_PTT(96,  IP, IPV6, NOF, IP_IP, IPV4, NOF, NONE, PAY3),
 352         I40E_PTT(97,  IP, IPV6, NOF, IP_IP, IPV4, NOF, UDP,  PAY4),
 353         I40E_PTT_UNUSED_ENTRY(98),
 354         I40E_PTT(99,  IP, IPV6, NOF, IP_IP, IPV4, NOF, TCP,  PAY4),
 355         I40E_PTT(100, IP, IPV6, NOF, IP_IP, IPV4, NOF, SCTP, PAY4),
 356         I40E_PTT(101, IP, IPV6, NOF, IP_IP, IPV4, NOF, ICMP, PAY4),
 357
 358         /* IPv6 --> IPv6 */
 359         I40E_PTT(102, IP, IPV6, NOF, IP_IP, IPV6, FRG, NONE, PAY3),
 360         I40E_PTT(103, IP, IPV6, NOF, IP_IP, IPV6, NOF, NONE, PAY3),
 361         I40E_PTT(104, IP, IPV6, NOF, IP_IP, IPV6, NOF, UDP,  PAY4),
 362         I40E_PTT_UNUSED_ENTRY(105),
 363         I40E_PTT(106, IP, IPV6, NOF, IP_IP, IPV6, NOF, TCP,  PAY4),
 364         I40E_PTT(107, IP, IPV6, NOF, IP_IP, IPV6, NOF, SCTP, PAY4),
 365         I40E_PTT(108, IP, IPV6, NOF, IP_IP, IPV6, NOF, ICMP, PAY4),
 366
 367         /* IPv6 --> GRE/NAT */
 368         I40E_PTT(109, IP, IPV6, NOF, IP_GRENAT, NONE, NOF, NONE, PAY3),
 369
 370         /* IPv6 --> GRE/NAT -> IPv4 */
 371         I40E_PTT(110, IP, IPV6, NOF, IP_GRENAT, IPV4, FRG, NONE, PAY3),
 372         I40E_PTT(111, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, NONE, PAY3),
 373         I40E_PTT(112, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, UDP,  PAY4),
 374         I40E_PTT_UNUSED_ENTRY(113),
 375         I40E_PTT(114, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, TCP,  PAY4),
 376         I40E_PTT(115, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, SCTP, PAY4),
 377         I40E_PTT(116, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, ICMP, PAY4),
 378
 379         /* IPv6 --> GRE/NAT -> IPv6 */
 380         I40E_PTT(117, IP, IPV6, NOF, IP_GRENAT, IPV6, FRG, NONE, PAY3),
 381         I40E_PTT(118, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, NONE, PAY3),
 382         I40E_PTT(119, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, UDP,  PAY4),
 383         I40E_PTT_UNUSED_ENTRY(120),
 384         I40E_PTT(121, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, TCP,  PAY4),
 385         I40E_PTT(122, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, SCTP, PAY4),
 386         I40E_PTT(123, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, ICMP, PAY4),
 387
 388         /* IPv6 --> GRE/NAT -> MAC */
 389         I40E_PTT(124, IP, IPV6, NOF, IP_GRENAT_MAC, NONE, NOF, NONE, PAY3),
 390
 391         /* IPv6 --> GRE/NAT -> MAC -> IPv4 */
 392         I40E_PTT(125, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, FRG, NONE, PAY3),
 393         I40E_PTT(126, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, NONE, PAY3),
 394         I40E_PTT(127, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, UDP,  PAY4),
 395         I40E_PTT_UNUSED_ENTRY(128),
 396         I40E_PTT(129, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, TCP,  PAY4),
 397         I40E_PTT(130, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, SCTP, PAY4),
 398         I40E_PTT(131, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, ICMP, PAY4),
 399
 400         /* IPv6 --> GRE/NAT -> MAC -> IPv6 */
 401         I40E_PTT(132, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, FRG, NONE, PAY3),
 402         I40E_PTT(133, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, NONE, PAY3),
 403         I40E_PTT(134, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, UDP,  PAY4),
 404         I40E_PTT_UNUSED_ENTRY(135),
 405         I40E_PTT(136, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, TCP,  PAY4),
 406         I40E_PTT(137, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, SCTP, PAY4),
 407         I40E_PTT(138, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, ICMP, PAY4),
 408
 409         /* IPv6 --> GRE/NAT -> MAC/VLAN */
 410         I40E_PTT(139, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, NONE, NOF, NONE, PAY3),
 411
 412         /* IPv6 --> GRE/NAT -> MAC/VLAN --> IPv4 */
 413         I40E_PTT(140, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, FRG, NONE, PAY3),
 414         I40E_PTT(141, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, NONE, PAY3),
 415         I40E_PTT(142, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, UDP,  PAY4),
 416         I40E_PTT_UNUSED_ENTRY(143),
 417         I40E_PTT(144, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, TCP,  PAY4),
 418         I40E_PTT(145, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, SCTP, PAY4),
 419         I40E_PTT(146, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, ICMP, PAY4),
 420
 421         /* IPv6 --> GRE/NAT -> MAC/VLAN --> IPv6 */
 422         I40E_PTT(147, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, FRG, NONE, PAY3),
 423         I40E_PTT(148, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, NONE, PAY3),
 424         I40E_PTT(149, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, UDP,  PAY4),
 425         I40E_PTT_UNUSED_ENTRY(150),
 426         I40E_PTT(151, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, TCP,  PAY4),
 427         I40E_PTT(152, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, SCTP, PAY4),
 428         I40E_PTT(153, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, ICMP, PAY4),
 429
 430         /* unused entries */
 431         I40E_PTT_UNUSED_ENTRY(154),
 432         I40E_PTT_UNUSED_ENTRY(155),
 433         I40E_PTT_UNUSED_ENTRY(156),
 434         I40E_PTT_UNUSED_ENTRY(157),
 435         I40E_PTT_UNUSED_ENTRY(158),
 436         I40E_PTT_UNUSED_ENTRY(159),
 437
 438         I40E_PTT_UNUSED_ENTRY(160),
 439         I40E_PTT_UNUSED_ENTRY(161),
 440         I40E_PTT_UNUSED_ENTRY(162),
 441         I40E_PTT_UNUSED_ENTRY(163),
 442         I40E_PTT_UNUSED_ENTRY(164),
 443         I40E_PTT_UNUSED_ENTRY(165),
 444         I40E_PTT_UNUSED_ENTRY(166),
 445         I40E_PTT_UNUSED_ENTRY(167),
 446         I40E_PTT_UNUSED_ENTRY(168),
 447         I40E_PTT_UNUSED_ENTRY(169),
 448
 449         I40E_PTT_UNUSED_ENTRY(170),
 450         I40E_PTT_UNUSED_ENTRY(171),
 451         I40E_PTT_UNUSED_ENTRY(172),
 452         I40E_PTT_UNUSED_ENTRY(173),
 453         I40E_PTT_UNUSED_ENTRY(174),
 454         I40E_PTT_UNUSED_ENTRY(175),
 455         I40E_PTT_UNUSED_ENTRY(176),
 456         I40E_PTT_UNUSED_ENTRY(177),
 457         I40E_PTT_UNUSED_ENTRY(178),
 458         I40E_PTT_UNUSED_ENTRY(179),
 459
 460         I40E_PTT_UNUSED_ENTRY(180),
 461         I40E_PTT_UNUSED_ENTRY(181),
 462         I40E_PTT_UNUSED_ENTRY(182),
 463         I40E_PTT_UNUSED_ENTRY(183),
 464         I40E_PTT_UNUSED_ENTRY(184),
 465         I40E_PTT_UNUSED_ENTRY(185),
 466         I40E_PTT_UNUSED_ENTRY(186),
 467         I40E_PTT_UNUSED_ENTRY(187),
 468         I40E_PTT_UNUSED_ENTRY(188),
 469         I40E_PTT_UNUSED_ENTRY(189),
 470
 471         I40E_PTT_UNUSED_ENTRY(190),
 472         I40E_PTT_UNUSED_ENTRY(191),
 473         I40E_PTT_UNUSED_ENTRY(192),
 474         I40E_PTT_UNUSED_ENTRY(193),
 475         I40E_PTT_UNUSED_ENTRY(194),
 476         I40E_PTT_UNUSED_ENTRY(195),
 477         I40E_PTT_UNUSED_ENTRY(196),
 478         I40E_PTT_UNUSED_ENTRY(197),
 479         I40E_PTT_UNUSED_ENTRY(198),
 480         I40E_PTT_UNUSED_ENTRY(199),
 481
 482         I40E_PTT_UNUSED_ENTRY(200),
 483         I40E_PTT_UNUSED_ENTRY(201),
 484         I40E_PTT_UNUSED_ENTRY(202),
 485         I40E_PTT_UNUSED_ENTRY(203),
 486         I40E_PTT_UNUSED_ENTRY(204),
 487         I40E_PTT_UNUSED_ENTRY(205),
 488         I40E_PTT_UNUSED_ENTRY(206),
 489         I40E_PTT_UNUSED_ENTRY(207),
 490         I40E_PTT_UNUSED_ENTRY(208),
 491         I40E_PTT_UNUSED_ENTRY(209),
 492
 493         I40E_PTT_UNUSED_ENTRY(210),
 494         I40E_PTT_UNUSED_ENTRY(211),
 495         I40E_PTT_UNUSED_ENTRY(212),
 496         I40E_PTT_UNUSED_ENTRY(213),
 497         I40E_PTT_UNUSED_ENTRY(214),
 498         I40E_PTT_UNUSED_ENTRY(215),
 499         I40E_PTT_UNUSED_ENTRY(216),
 500         I40E_PTT_UNUSED_ENTRY(217),
 501         I40E_PTT_UNUSED_ENTRY(218),
 502         I40E_PTT_UNUSED_ENTRY(219),
 503
 504         I40E_PTT_UNUSED_ENTRY(220),
 505         I40E_PTT_UNUSED_ENTRY(221),
 506         I40E_PTT_UNUSED_ENTRY(222),
 507         I40E_PTT_UNUSED_ENTRY(223),
 508         I40E_PTT_UNUSED_ENTRY(224),
 509         I40E_PTT_UNUSED_ENTRY(225),
 510         I40E_PTT_UNUSED_ENTRY(226),
 511         I40E_PTT_UNUSED_ENTRY(227),
 512         I40E_PTT_UNUSED_ENTRY(228),
 513         I40E_PTT_UNUSED_ENTRY(229),
 514
 515         I40E_PTT_UNUSED_ENTRY(230),
 516         I40E_PTT_UNUSED_ENTRY(231),
 517         I40E_PTT_UNUSED_ENTRY(232),
 518         I40E_PTT_UNUSED_ENTRY(233),
 519         I40E_PTT_UNUSED_ENTRY(234),
 520         I40E_PTT_UNUSED_ENTRY(235),
 521         I40E_PTT_UNUSED_ENTRY(236),
 522         I40E_PTT_UNUSED_ENTRY(237),
 523         I40E_PTT_UNUSED_ENTRY(238),
 524         I40E_PTT_UNUSED_ENTRY(239),
 525
 526         I40E_PTT_UNUSED_ENTRY(240),
 527         I40E_PTT_UNUSED_ENTRY(241),
 528         I40E_PTT_UNUSED_ENTRY(242),
 529         I40E_PTT_UNUSED_ENTRY(243),
 530         I40E_PTT_UNUSED_ENTRY(244),
 531         I40E_PTT_UNUSED_ENTRY(245),
 532         I40E_PTT_UNUSED_ENTRY(246),
 533         I40E_PTT_UNUSED_ENTRY(247),
 534         I40E_PTT_UNUSED_ENTRY(248),
 535         I40E_PTT_UNUSED_ENTRY(249),
 536
 537         I40E_PTT_UNUSED_ENTRY(250),
 538         I40E_PTT_UNUSED_ENTRY(251),
 539         I40E_PTT_UNUSED_ENTRY(252),
 540         I40E_PTT_UNUSED_ENTRY(253),
 541         I40E_PTT_UNUSED_ENTRY(254),
 542         I40E_PTT_UNUSED_ENTRY(255)
 543 };
 544
 545 /**
 546  * i40e_aq_send_msg_to_pf
 547  * @hw: pointer to the hardware structure
 548  * @v_opcode: opcodes for VF-PF communication
 549  * @v_retval: return error code
 550  * @msg: pointer to the msg buffer
 551  * @msglen: msg length
 552  * @cmd_details: pointer to command details
 553  *
 554  * Send message to PF driver using admin queue. By default, this message
 555  * is sent asynchronously, i.e. i40evf_asq_send_command() does not wait for
 556  * completion before returning.
 557  **/
 558 i40e_status i40e_aq_send_msg_to_pf(struct i40e_hw *hw,
 559                                 enum i40e_virtchnl_ops v_opcode,
 560                                 i40e_status v_retval,
 561                                 u8 *msg, u16 msglen,
 562                                 struct i40e_asq_cmd_details *cmd_details)
 563 {
 564         struct i40e_aq_desc desc;
 565         struct i40e_asq_cmd_details details;
 566         i40e_status status;
 567
 568         i40evf_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_send_msg_to_pf);
 569         desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_SI);
 570         desc.cookie_high = cpu_to_le32(v_opcode);
 571         desc.cookie_low = cpu_to_le32(v_retval);
 572         if (msglen) {
 573                 desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF
 574                                                 | I40E_AQ_FLAG_RD));
 575                 if (msglen > I40E_AQ_LARGE_BUF)
 576                         desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
 577                 desc.datalen = cpu_to_le16(msglen);
 578         }
 579         if (!cmd_details) {
 580                 memset(&details, 0, sizeof(details));
 581                 details.async = true;
 582                 cmd_details = &details;
 583         }
 584         status = i40evf_asq_send_command(hw, &desc, msg, msglen, cmd_details);
 585         return status;
 586 }
 587
 588 /**
 589  * i40e_vf_parse_hw_config
 590  * @hw: pointer to the hardware structure
 591  * @msg: pointer to the virtual channel VF resource structure
 592  *
 593  * Given a VF resource message from the PF, populate the hw struct
 594  * with appropriate information.
 595  **/
 596 void i40e_vf_parse_hw_config(struct i40e_hw *hw,
 597                              struct i40e_virtchnl_vf_resource *msg)
 598 {
 599         struct i40e_virtchnl_vsi_resource *vsi_res;
 600         int i;
 601
 602         vsi_res = &msg->vsi_res[0];
 603
 604         hw->dev_caps.num_vsis = msg->num_vsis;
 605         hw->dev_caps.num_rx_qp = msg->num_queue_pairs;
 606         hw->dev_caps.num_tx_qp = msg->num_queue_pairs;
 607         hw->dev_caps.num_msix_vectors_vf = msg->max_vectors;
 608         hw->dev_caps.dcb = msg->vf_offload_flags &
 609                            I40E_VIRTCHNL_VF_OFFLOAD_L2;
 610         hw->dev_caps.fcoe = (msg->vf_offload_flags &
 611                              I40E_VIRTCHNL_VF_OFFLOAD_FCOE) ? 1 : 0;
 612         for (i = 0; i < msg->num_vsis; i++) {
 613                 if (vsi_res->vsi_type == I40E_VSI_SRIOV) {
 614                         memcpy(hw->mac.perm_addr, vsi_res->default_mac_addr,
 615                                ETH_ALEN);
 616                         memcpy(hw->mac.addr, vsi_res->default_mac_addr,
 617                                ETH_ALEN);
 618                 }
 619                 vsi_res++;
 620         }
 621 }
 622
 623 /**
 624  * i40e_vf_reset
 625  * @hw: pointer to the hardware structure
 626  *
 627  * Send a VF_RESET message to the PF. Does not wait for response from PF
 628  * as none will be forthcoming. Immediately after calling this function,
 629  * the admin queue should be shut down and (optionally) reinitialized.
 630  **/
 631 i40e_status i40e_vf_reset(struct i40e_hw *hw)
 632 {
 633         return i40e_aq_send_msg_to_pf(hw, I40E_VIRTCHNL_OP_RESET_VF,
 634                                       0, NULL, 0, NULL);
 635 }