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authorPeter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>2009-06-04 12:01:25 -0400
committerDavid S. Miller <davem@davemloft.net>2009-06-07 08:20:24 -0400
commitffff47720318860933b2af84d1912af8b2e621f2 (patch)
tree5cf714b04cb2ccf35eaa7016a30bd3918ae995dd /drivers
parentbfde493ee279b345d31e3178832971606b5b854f (diff)
ixgbe: Add Flow Director init and modify functions for 82599
This patch adds the functions for ixgbe to initialize Flow Director. It also has the function APIs to add Flow Director filters from the base driver. This also includes ATR, Application Targeted Routing, which is a feature set of Flow Director. This is the hash-based mechanism to automatically identify flows and add filters based on the hash, and direct the Rx of that flow back to that same CPU. Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ixgbe/ixgbe.h55
-rw-r--r--drivers/net/ixgbe/ixgbe_82599.c925
2 files changed, 980 insertions, 0 deletions
diff --git a/drivers/net/ixgbe/ixgbe.h b/drivers/net/ixgbe/ixgbe.h
index 59167d7e08ca..7adf959e2038 100644
--- a/drivers/net/ixgbe/ixgbe.h
+++ b/drivers/net/ixgbe/ixgbe.h
@@ -402,6 +402,61 @@ extern int ixgbe_init_interrupt_scheme(struct ixgbe_adapter *adapter);
402extern void ixgbe_clear_interrupt_scheme(struct ixgbe_adapter *adapter); 402extern void ixgbe_clear_interrupt_scheme(struct ixgbe_adapter *adapter);
403extern void ixgbe_write_eitr(struct ixgbe_q_vector *); 403extern void ixgbe_write_eitr(struct ixgbe_q_vector *);
404extern int ethtool_ioctl(struct ifreq *ifr); 404extern int ethtool_ioctl(struct ifreq *ifr);
405extern s32 ixgbe_reinit_fdir_tables_82599(struct ixgbe_hw *hw);
406extern s32 ixgbe_init_fdir_signature_82599(struct ixgbe_hw *hw, u32 pballoc);
407extern s32 ixgbe_init_fdir_perfect_82599(struct ixgbe_hw *hw, u32 pballoc);
408extern s32 ixgbe_fdir_add_signature_filter_82599(struct ixgbe_hw *hw,
409 struct ixgbe_atr_input *input,
410 u8 queue);
411extern s32 ixgbe_fdir_add_perfect_filter_82599(struct ixgbe_hw *hw,
412 struct ixgbe_atr_input *input,
413 u16 soft_id,
414 u8 queue);
415extern u16 ixgbe_atr_compute_hash_82599(struct ixgbe_atr_input *input, u32 key);
416extern s32 ixgbe_atr_set_vlan_id_82599(struct ixgbe_atr_input *input,
417 u16 vlan_id);
418extern s32 ixgbe_atr_set_src_ipv4_82599(struct ixgbe_atr_input *input,
419 u32 src_addr);
420extern s32 ixgbe_atr_set_dst_ipv4_82599(struct ixgbe_atr_input *input,
421 u32 dst_addr);
422extern s32 ixgbe_atr_set_src_ipv6_82599(struct ixgbe_atr_input *input,
423 u32 src_addr_1, u32 src_addr_2,
424 u32 src_addr_3, u32 src_addr_4);
425extern s32 ixgbe_atr_set_dst_ipv6_82599(struct ixgbe_atr_input *input,
426 u32 dst_addr_1, u32 dst_addr_2,
427 u32 dst_addr_3, u32 dst_addr_4);
428extern s32 ixgbe_atr_set_src_port_82599(struct ixgbe_atr_input *input,
429 u16 src_port);
430extern s32 ixgbe_atr_set_dst_port_82599(struct ixgbe_atr_input *input,
431 u16 dst_port);
432extern s32 ixgbe_atr_set_flex_byte_82599(struct ixgbe_atr_input *input,
433 u16 flex_byte);
434extern s32 ixgbe_atr_set_vm_pool_82599(struct ixgbe_atr_input *input,
435 u8 vm_pool);
436extern s32 ixgbe_atr_set_l4type_82599(struct ixgbe_atr_input *input,
437 u8 l4type);
438extern s32 ixgbe_atr_get_vlan_id_82599(struct ixgbe_atr_input *input,
439 u16 *vlan_id);
440extern s32 ixgbe_atr_get_src_ipv4_82599(struct ixgbe_atr_input *input,
441 u32 *src_addr);
442extern s32 ixgbe_atr_get_dst_ipv4_82599(struct ixgbe_atr_input *input,
443 u32 *dst_addr);
444extern s32 ixgbe_atr_get_src_ipv6_82599(struct ixgbe_atr_input *input,
445 u32 *src_addr_1, u32 *src_addr_2,
446 u32 *src_addr_3, u32 *src_addr_4);
447extern s32 ixgbe_atr_get_dst_ipv6_82599(struct ixgbe_atr_input *input,
448 u32 *dst_addr_1, u32 *dst_addr_2,
449 u32 *dst_addr_3, u32 *dst_addr_4);
450extern s32 ixgbe_atr_get_src_port_82599(struct ixgbe_atr_input *input,
451 u16 *src_port);
452extern s32 ixgbe_atr_get_dst_port_82599(struct ixgbe_atr_input *input,
453 u16 *dst_port);
454extern s32 ixgbe_atr_get_flex_byte_82599(struct ixgbe_atr_input *input,
455 u16 *flex_byte);
456extern s32 ixgbe_atr_get_vm_pool_82599(struct ixgbe_atr_input *input,
457 u8 *vm_pool);
458extern s32 ixgbe_atr_get_l4type_82599(struct ixgbe_atr_input *input,
459 u8 *l4type);
405#ifdef IXGBE_FCOE 460#ifdef IXGBE_FCOE
406extern void ixgbe_configure_fcoe(struct ixgbe_adapter *adapter); 461extern void ixgbe_configure_fcoe(struct ixgbe_adapter *adapter);
407extern int ixgbe_fso(struct ixgbe_adapter *adapter, 462extern int ixgbe_fso(struct ixgbe_adapter *adapter,
diff --git a/drivers/net/ixgbe/ixgbe_82599.c b/drivers/net/ixgbe/ixgbe_82599.c
index 3f36d834ccfd..5c2627b68c2d 100644
--- a/drivers/net/ixgbe/ixgbe_82599.c
+++ b/drivers/net/ixgbe/ixgbe_82599.c
@@ -1165,6 +1165,931 @@ s32 ixgbe_init_uta_tables_82599(struct ixgbe_hw *hw)
1165} 1165}
1166 1166
1167/** 1167/**
1168 * ixgbe_reinit_fdir_tables_82599 - Reinitialize Flow Director tables.
1169 * @hw: pointer to hardware structure
1170 **/
1171s32 ixgbe_reinit_fdir_tables_82599(struct ixgbe_hw *hw)
1172{
1173 int i;
1174 u32 fdirctrl = IXGBE_READ_REG(hw, IXGBE_FDIRCTRL);
1175 fdirctrl &= ~IXGBE_FDIRCTRL_INIT_DONE;
1176
1177 /*
1178 * Before starting reinitialization process,
1179 * FDIRCMD.CMD must be zero.
1180 */
1181 for (i = 0; i < IXGBE_FDIRCMD_CMD_POLL; i++) {
1182 if (!(IXGBE_READ_REG(hw, IXGBE_FDIRCMD) &
1183 IXGBE_FDIRCMD_CMD_MASK))
1184 break;
1185 udelay(10);
1186 }
1187 if (i >= IXGBE_FDIRCMD_CMD_POLL) {
1188 hw_dbg(hw ,"Flow Director previous command isn't complete, "
1189 "aborting table re-initialization. \n");
1190 return IXGBE_ERR_FDIR_REINIT_FAILED;
1191 }
1192
1193 IXGBE_WRITE_REG(hw, IXGBE_FDIRFREE, 0);
1194 IXGBE_WRITE_FLUSH(hw);
1195 /*
1196 * 82599 adapters flow director init flow cannot be restarted,
1197 * Workaround 82599 silicon errata by performing the following steps
1198 * before re-writing the FDIRCTRL control register with the same value.
1199 * - write 1 to bit 8 of FDIRCMD register &
1200 * - write 0 to bit 8 of FDIRCMD register
1201 */
1202 IXGBE_WRITE_REG(hw, IXGBE_FDIRCMD,
1203 (IXGBE_READ_REG(hw, IXGBE_FDIRCMD) |
1204 IXGBE_FDIRCMD_CLEARHT));
1205 IXGBE_WRITE_FLUSH(hw);
1206 IXGBE_WRITE_REG(hw, IXGBE_FDIRCMD,
1207 (IXGBE_READ_REG(hw, IXGBE_FDIRCMD) &
1208 ~IXGBE_FDIRCMD_CLEARHT));
1209 IXGBE_WRITE_FLUSH(hw);
1210 /*
1211 * Clear FDIR Hash register to clear any leftover hashes
1212 * waiting to be programmed.
1213 */
1214 IXGBE_WRITE_REG(hw, IXGBE_FDIRHASH, 0x00);
1215 IXGBE_WRITE_FLUSH(hw);
1216
1217 IXGBE_WRITE_REG(hw, IXGBE_FDIRCTRL, fdirctrl);
1218 IXGBE_WRITE_FLUSH(hw);
1219
1220 /* Poll init-done after we write FDIRCTRL register */
1221 for (i = 0; i < IXGBE_FDIR_INIT_DONE_POLL; i++) {
1222 if (IXGBE_READ_REG(hw, IXGBE_FDIRCTRL) &
1223 IXGBE_FDIRCTRL_INIT_DONE)
1224 break;
1225 udelay(10);
1226 }
1227 if (i >= IXGBE_FDIR_INIT_DONE_POLL) {
1228 hw_dbg(hw, "Flow Director Signature poll time exceeded!\n");
1229 return IXGBE_ERR_FDIR_REINIT_FAILED;
1230 }
1231
1232 /* Clear FDIR statistics registers (read to clear) */
1233 IXGBE_READ_REG(hw, IXGBE_FDIRUSTAT);
1234 IXGBE_READ_REG(hw, IXGBE_FDIRFSTAT);
1235 IXGBE_READ_REG(hw, IXGBE_FDIRMATCH);
1236 IXGBE_READ_REG(hw, IXGBE_FDIRMISS);
1237 IXGBE_READ_REG(hw, IXGBE_FDIRLEN);
1238
1239 return 0;
1240}
1241
1242/**
1243 * ixgbe_init_fdir_signature_82599 - Initialize Flow Director signature filters
1244 * @hw: pointer to hardware structure
1245 * @pballoc: which mode to allocate filters with
1246 **/
1247s32 ixgbe_init_fdir_signature_82599(struct ixgbe_hw *hw, u32 pballoc)
1248{
1249 u32 fdirctrl = 0;
1250 u32 pbsize;
1251 int i;
1252
1253 /*
1254 * Before enabling Flow Director, the Rx Packet Buffer size
1255 * must be reduced. The new value is the current size minus
1256 * flow director memory usage size.
1257 */
1258 pbsize = (1 << (IXGBE_FDIR_PBALLOC_SIZE_SHIFT + pballoc));
1259 IXGBE_WRITE_REG(hw, IXGBE_RXPBSIZE(0),
1260 (IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(0)) - pbsize));
1261
1262 /*
1263 * The defaults in the HW for RX PB 1-7 are not zero and so should be
1264 * intialized to zero for non DCB mode otherwise actual total RX PB
1265 * would be bigger than programmed and filter space would run into
1266 * the PB 0 region.
1267 */
1268 for (i = 1; i < 8; i++)
1269 IXGBE_WRITE_REG(hw, IXGBE_RXPBSIZE(i), 0);
1270
1271 /* Send interrupt when 64 filters are left */
1272 fdirctrl |= 4 << IXGBE_FDIRCTRL_FULL_THRESH_SHIFT;
1273
1274 /* Set the maximum length per hash bucket to 0xA filters */
1275 fdirctrl |= 0xA << IXGBE_FDIRCTRL_MAX_LENGTH_SHIFT;
1276
1277 switch (pballoc) {
1278 case IXGBE_FDIR_PBALLOC_64K:
1279 /* 8k - 1 signature filters */
1280 fdirctrl |= IXGBE_FDIRCTRL_PBALLOC_64K;
1281 break;
1282 case IXGBE_FDIR_PBALLOC_128K:
1283 /* 16k - 1 signature filters */
1284 fdirctrl |= IXGBE_FDIRCTRL_PBALLOC_128K;
1285 break;
1286 case IXGBE_FDIR_PBALLOC_256K:
1287 /* 32k - 1 signature filters */
1288 fdirctrl |= IXGBE_FDIRCTRL_PBALLOC_256K;
1289 break;
1290 default:
1291 /* bad value */
1292 return IXGBE_ERR_CONFIG;
1293 };
1294
1295 /* Move the flexible bytes to use the ethertype - shift 6 words */
1296 fdirctrl |= (0x6 << IXGBE_FDIRCTRL_FLEX_SHIFT);
1297
1298 fdirctrl |= IXGBE_FDIRCTRL_REPORT_STATUS;
1299
1300 /* Prime the keys for hashing */
1301 IXGBE_WRITE_REG(hw, IXGBE_FDIRHKEY,
1302 htonl(IXGBE_ATR_BUCKET_HASH_KEY));
1303 IXGBE_WRITE_REG(hw, IXGBE_FDIRSKEY,
1304 htonl(IXGBE_ATR_SIGNATURE_HASH_KEY));
1305
1306 /*
1307 * Poll init-done after we write the register. Estimated times:
1308 * 10G: PBALLOC = 11b, timing is 60us
1309 * 1G: PBALLOC = 11b, timing is 600us
1310 * 100M: PBALLOC = 11b, timing is 6ms
1311 *
1312 * Multiple these timings by 4 if under full Rx load
1313 *
1314 * So we'll poll for IXGBE_FDIR_INIT_DONE_POLL times, sleeping for
1315 * 1 msec per poll time. If we're at line rate and drop to 100M, then
1316 * this might not finish in our poll time, but we can live with that
1317 * for now.
1318 */
1319 IXGBE_WRITE_REG(hw, IXGBE_FDIRCTRL, fdirctrl);
1320 IXGBE_WRITE_FLUSH(hw);
1321 for (i = 0; i < IXGBE_FDIR_INIT_DONE_POLL; i++) {
1322 if (IXGBE_READ_REG(hw, IXGBE_FDIRCTRL) &
1323 IXGBE_FDIRCTRL_INIT_DONE)
1324 break;
1325 msleep(1);
1326 }
1327 if (i >= IXGBE_FDIR_INIT_DONE_POLL)
1328 hw_dbg(hw, "Flow Director Signature poll time exceeded!\n");
1329
1330 return 0;
1331}
1332
1333/**
1334 * ixgbe_init_fdir_perfect_82599 - Initialize Flow Director perfect filters
1335 * @hw: pointer to hardware structure
1336 * @pballoc: which mode to allocate filters with
1337 **/
1338s32 ixgbe_init_fdir_perfect_82599(struct ixgbe_hw *hw, u32 pballoc)
1339{
1340 u32 fdirctrl = 0;
1341 u32 pbsize;
1342 int i;
1343
1344 /*
1345 * Before enabling Flow Director, the Rx Packet Buffer size
1346 * must be reduced. The new value is the current size minus
1347 * flow director memory usage size.
1348 */
1349 pbsize = (1 << (IXGBE_FDIR_PBALLOC_SIZE_SHIFT + pballoc));
1350 IXGBE_WRITE_REG(hw, IXGBE_RXPBSIZE(0),
1351 (IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(0)) - pbsize));
1352
1353 /*
1354 * The defaults in the HW for RX PB 1-7 are not zero and so should be
1355 * intialized to zero for non DCB mode otherwise actual total RX PB
1356 * would be bigger than programmed and filter space would run into
1357 * the PB 0 region.
1358 */
1359 for (i = 1; i < 8; i++)
1360 IXGBE_WRITE_REG(hw, IXGBE_RXPBSIZE(i), 0);
1361
1362 /* Send interrupt when 64 filters are left */
1363 fdirctrl |= 4 << IXGBE_FDIRCTRL_FULL_THRESH_SHIFT;
1364
1365 switch (pballoc) {
1366 case IXGBE_FDIR_PBALLOC_64K:
1367 /* 2k - 1 perfect filters */
1368 fdirctrl |= IXGBE_FDIRCTRL_PBALLOC_64K;
1369 break;
1370 case IXGBE_FDIR_PBALLOC_128K:
1371 /* 4k - 1 perfect filters */
1372 fdirctrl |= IXGBE_FDIRCTRL_PBALLOC_128K;
1373 break;
1374 case IXGBE_FDIR_PBALLOC_256K:
1375 /* 8k - 1 perfect filters */
1376 fdirctrl |= IXGBE_FDIRCTRL_PBALLOC_256K;
1377 break;
1378 default:
1379 /* bad value */
1380 return IXGBE_ERR_CONFIG;
1381 };
1382
1383 /* Turn perfect match filtering on */
1384 fdirctrl |= IXGBE_FDIRCTRL_PERFECT_MATCH;
1385 fdirctrl |= IXGBE_FDIRCTRL_REPORT_STATUS;
1386
1387 /* Move the flexible bytes to use the ethertype - shift 6 words */
1388 fdirctrl |= (0x6 << IXGBE_FDIRCTRL_FLEX_SHIFT);
1389
1390 /* Prime the keys for hashing */
1391 IXGBE_WRITE_REG(hw, IXGBE_FDIRHKEY,
1392 htonl(IXGBE_ATR_BUCKET_HASH_KEY));
1393 IXGBE_WRITE_REG(hw, IXGBE_FDIRSKEY,
1394 htonl(IXGBE_ATR_SIGNATURE_HASH_KEY));
1395
1396 /*
1397 * Poll init-done after we write the register. Estimated times:
1398 * 10G: PBALLOC = 11b, timing is 60us
1399 * 1G: PBALLOC = 11b, timing is 600us
1400 * 100M: PBALLOC = 11b, timing is 6ms
1401 *
1402 * Multiple these timings by 4 if under full Rx load
1403 *
1404 * So we'll poll for IXGBE_FDIR_INIT_DONE_POLL times, sleeping for
1405 * 1 msec per poll time. If we're at line rate and drop to 100M, then
1406 * this might not finish in our poll time, but we can live with that
1407 * for now.
1408 */
1409
1410 /* Set the maximum length per hash bucket to 0xA filters */
1411 fdirctrl |= (0xA << IXGBE_FDIRCTRL_MAX_LENGTH_SHIFT);
1412
1413 IXGBE_WRITE_REG(hw, IXGBE_FDIRCTRL, fdirctrl);
1414 IXGBE_WRITE_FLUSH(hw);
1415 for (i = 0; i < IXGBE_FDIR_INIT_DONE_POLL; i++) {
1416 if (IXGBE_READ_REG(hw, IXGBE_FDIRCTRL) &
1417 IXGBE_FDIRCTRL_INIT_DONE)
1418 break;
1419 msleep(1);
1420 }
1421 if (i >= IXGBE_FDIR_INIT_DONE_POLL)
1422 hw_dbg(hw, "Flow Director Perfect poll time exceeded!\n");
1423
1424 return 0;
1425}
1426
1427
1428/**
1429 * ixgbe_atr_compute_hash_82599 - Compute the hashes for SW ATR
1430 * @stream: input bitstream to compute the hash on
1431 * @key: 32-bit hash key
1432 **/
1433u16 ixgbe_atr_compute_hash_82599(struct ixgbe_atr_input *atr_input, u32 key)
1434{
1435 /*
1436 * The algorithm is as follows:
1437 * Hash[15:0] = Sum { S[n] x K[n+16] }, n = 0...350
1438 * where Sum {A[n]}, n = 0...n is bitwise XOR of A[0], A[1]...A[n]
1439 * and A[n] x B[n] is bitwise AND between same length strings
1440 *
1441 * K[n] is 16 bits, defined as:
1442 * for n modulo 32 >= 15, K[n] = K[n % 32 : (n % 32) - 15]
1443 * for n modulo 32 < 15, K[n] =
1444 * K[(n % 32:0) | (31:31 - (14 - (n % 32)))]
1445 *
1446 * S[n] is 16 bits, defined as:
1447 * for n >= 15, S[n] = S[n:n - 15]
1448 * for n < 15, S[n] = S[(n:0) | (350:350 - (14 - n))]
1449 *
1450 * To simplify for programming, the algorithm is implemented
1451 * in software this way:
1452 *
1453 * Key[31:0], Stream[335:0]
1454 *
1455 * tmp_key[11 * 32 - 1:0] = 11{Key[31:0] = key concatenated 11 times
1456 * int_key[350:0] = tmp_key[351:1]
1457 * int_stream[365:0] = Stream[14:0] | Stream[335:0] | Stream[335:321]
1458 *
1459 * hash[15:0] = 0;
1460 * for (i = 0; i < 351; i++) {
1461 * if (int_key[i])
1462 * hash ^= int_stream[(i + 15):i];
1463 * }
1464 */
1465
1466 union {
1467 u64 fill[6];
1468 u32 key[11];
1469 u8 key_stream[44];
1470 } tmp_key;
1471
1472 u8 *stream = (u8 *)atr_input;
1473 u8 int_key[44]; /* upper-most bit unused */
1474 u8 hash_str[46]; /* upper-most 2 bits unused */
1475 u16 hash_result = 0;
1476 int i, j, k, h;
1477
1478 /*
1479 * Initialize the fill member to prevent warnings
1480 * on some compilers
1481 */
1482 tmp_key.fill[0] = 0;
1483
1484 /* First load the temporary key stream */
1485 for (i = 0; i < 6; i++) {
1486 u64 fillkey = ((u64)key << 32) | key;
1487 tmp_key.fill[i] = fillkey;
1488 }
1489
1490 /*
1491 * Set the interim key for the hashing. Bit 352 is unused, so we must
1492 * shift and compensate when building the key.
1493 */
1494
1495 int_key[0] = tmp_key.key_stream[0] >> 1;
1496 for (i = 1, j = 0; i < 44; i++) {
1497 unsigned int this_key = tmp_key.key_stream[j] << 7;
1498 j++;
1499 int_key[i] = (u8)(this_key | (tmp_key.key_stream[j] >> 1));
1500 }
1501
1502 /*
1503 * Set the interim bit string for the hashing. Bits 368 and 367 are
1504 * unused, so shift and compensate when building the string.
1505 */
1506 hash_str[0] = (stream[40] & 0x7f) >> 1;
1507 for (i = 1, j = 40; i < 46; i++) {
1508 unsigned int this_str = stream[j] << 7;
1509 j++;
1510 if (j > 41)
1511 j = 0;
1512 hash_str[i] = (u8)(this_str | (stream[j] >> 1));
1513 }
1514
1515 /*
1516 * Now compute the hash. i is the index into hash_str, j is into our
1517 * key stream, k is counting the number of bits, and h interates within
1518 * each byte.
1519 */
1520 for (i = 45, j = 43, k = 0; k < 351 && i >= 2 && j >= 0; i--, j--) {
1521 for (h = 0; h < 8 && k < 351; h++, k++) {
1522 if (int_key[j] & (1 << h)) {
1523 /*
1524 * Key bit is set, XOR in the current 16-bit
1525 * string. Example of processing:
1526 * h = 0,
1527 * tmp = (hash_str[i - 2] & 0 << 16) |
1528 * (hash_str[i - 1] & 0xff << 8) |
1529 * (hash_str[i] & 0xff >> 0)
1530 * So tmp = hash_str[15 + k:k], since the
1531 * i + 2 clause rolls off the 16-bit value
1532 * h = 7,
1533 * tmp = (hash_str[i - 2] & 0x7f << 9) |
1534 * (hash_str[i - 1] & 0xff << 1) |
1535 * (hash_str[i] & 0x80 >> 7)
1536 */
1537 int tmp = (hash_str[i] >> h);
1538 tmp |= (hash_str[i - 1] << (8 - h));
1539 tmp |= (int)(hash_str[i - 2] & ((1 << h) - 1))
1540 << (16 - h);
1541 hash_result ^= (u16)tmp;
1542 }
1543 }
1544 }
1545
1546 return hash_result;
1547}
1548
1549/**
1550 * ixgbe_atr_set_vlan_id_82599 - Sets the VLAN id in the ATR input stream
1551 * @input: input stream to modify
1552 * @vlan: the VLAN id to load
1553 **/
1554s32 ixgbe_atr_set_vlan_id_82599(struct ixgbe_atr_input *input, u16 vlan)
1555{
1556 input->byte_stream[IXGBE_ATR_VLAN_OFFSET + 1] = vlan >> 8;
1557 input->byte_stream[IXGBE_ATR_VLAN_OFFSET] = vlan & 0xff;
1558
1559 return 0;
1560}
1561
1562/**
1563 * ixgbe_atr_set_src_ipv4_82599 - Sets the source IPv4 address
1564 * @input: input stream to modify
1565 * @src_addr: the IP address to load
1566 **/
1567s32 ixgbe_atr_set_src_ipv4_82599(struct ixgbe_atr_input *input, u32 src_addr)
1568{
1569 input->byte_stream[IXGBE_ATR_SRC_IPV4_OFFSET + 3] = src_addr >> 24;
1570 input->byte_stream[IXGBE_ATR_SRC_IPV4_OFFSET + 2] =
1571 (src_addr >> 16) & 0xff;
1572 input->byte_stream[IXGBE_ATR_SRC_IPV4_OFFSET + 1] =
1573 (src_addr >> 8) & 0xff;
1574 input->byte_stream[IXGBE_ATR_SRC_IPV4_OFFSET] = src_addr & 0xff;
1575
1576 return 0;
1577}
1578
1579/**
1580 * ixgbe_atr_set_dst_ipv4_82599 - Sets the destination IPv4 address
1581 * @input: input stream to modify
1582 * @dst_addr: the IP address to load
1583 **/
1584s32 ixgbe_atr_set_dst_ipv4_82599(struct ixgbe_atr_input *input, u32 dst_addr)
1585{
1586 input->byte_stream[IXGBE_ATR_DST_IPV4_OFFSET + 3] = dst_addr >> 24;
1587 input->byte_stream[IXGBE_ATR_DST_IPV4_OFFSET + 2] =
1588 (dst_addr >> 16) & 0xff;
1589 input->byte_stream[IXGBE_ATR_DST_IPV4_OFFSET + 1] =
1590 (dst_addr >> 8) & 0xff;
1591 input->byte_stream[IXGBE_ATR_DST_IPV4_OFFSET] = dst_addr & 0xff;
1592
1593 return 0;
1594}
1595
1596/**
1597 * ixgbe_atr_set_src_ipv6_82599 - Sets the source IPv6 address
1598 * @input: input stream to modify
1599 * @src_addr_1: the first 4 bytes of the IP address to load
1600 * @src_addr_2: the second 4 bytes of the IP address to load
1601 * @src_addr_3: the third 4 bytes of the IP address to load
1602 * @src_addr_4: the fourth 4 bytes of the IP address to load
1603 **/
1604s32 ixgbe_atr_set_src_ipv6_82599(struct ixgbe_atr_input *input,
1605 u32 src_addr_1, u32 src_addr_2,
1606 u32 src_addr_3, u32 src_addr_4)
1607{
1608 input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET] = src_addr_4 & 0xff;
1609 input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 1] =
1610 (src_addr_4 >> 8) & 0xff;
1611 input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 2] =
1612 (src_addr_4 >> 16) & 0xff;
1613 input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 3] = src_addr_4 >> 24;
1614
1615 input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 4] = src_addr_3 & 0xff;
1616 input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 5] =
1617 (src_addr_3 >> 8) & 0xff;
1618 input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 6] =
1619 (src_addr_3 >> 16) & 0xff;
1620 input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 7] = src_addr_3 >> 24;
1621
1622 input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 8] = src_addr_2 & 0xff;
1623 input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 9] =
1624 (src_addr_2 >> 8) & 0xff;
1625 input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 10] =
1626 (src_addr_2 >> 16) & 0xff;
1627 input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 11] = src_addr_2 >> 24;
1628
1629 input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 12] = src_addr_1 & 0xff;
1630 input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 13] =
1631 (src_addr_1 >> 8) & 0xff;
1632 input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 14] =
1633 (src_addr_1 >> 16) & 0xff;
1634 input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 15] = src_addr_1 >> 24;
1635
1636 return 0;
1637}
1638
1639/**
1640 * ixgbe_atr_set_dst_ipv6_82599 - Sets the destination IPv6 address
1641 * @input: input stream to modify
1642 * @dst_addr_1: the first 4 bytes of the IP address to load
1643 * @dst_addr_2: the second 4 bytes of the IP address to load
1644 * @dst_addr_3: the third 4 bytes of the IP address to load
1645 * @dst_addr_4: the fourth 4 bytes of the IP address to load
1646 **/
1647s32 ixgbe_atr_set_dst_ipv6_82599(struct ixgbe_atr_input *input,
1648 u32 dst_addr_1, u32 dst_addr_2,
1649 u32 dst_addr_3, u32 dst_addr_4)
1650{
1651 input->byte_stream[IXGBE_ATR_DST_IPV6_OFFSET] = dst_addr_4 & 0xff;
1652 input->byte_stream[IXGBE_ATR_DST_IPV6_OFFSET + 1] =
1653 (dst_addr_4 >> 8) & 0xff;
1654 input->byte_stream[IXGBE_ATR_DST_IPV6_OFFSET + 2] =
1655 (dst_addr_4 >> 16) & 0xff;
1656 input->byte_stream[IXGBE_ATR_DST_IPV6_OFFSET + 3] = dst_addr_4 >> 24;
1657
1658 input->byte_stream[IXGBE_ATR_DST_IPV6_OFFSET + 4] = dst_addr_3 & 0xff;
1659 input->byte_stream[IXGBE_ATR_DST_IPV6_OFFSET + 5] =
1660 (dst_addr_3 >> 8) & 0xff;
1661 input->byte_stream[IXGBE_ATR_DST_IPV6_OFFSET + 6] =
1662 (dst_addr_3 >> 16) & 0xff;
1663 input->byte_stream[IXGBE_ATR_DST_IPV6_OFFSET + 7] = dst_addr_3 >> 24;
1664
1665 input->byte_stream[IXGBE_ATR_DST_IPV6_OFFSET + 8] = dst_addr_2 & 0xff;
1666 input->byte_stream[IXGBE_ATR_DST_IPV6_OFFSET + 9] =
1667 (dst_addr_2 >> 8) & 0xff;
1668 input->byte_stream[IXGBE_ATR_DST_IPV6_OFFSET + 10] =
1669 (dst_addr_2 >> 16) & 0xff;
1670 input->byte_stream[IXGBE_ATR_DST_IPV6_OFFSET + 11] = dst_addr_2 >> 24;
1671
1672 input->byte_stream[IXGBE_ATR_DST_IPV6_OFFSET + 12] = dst_addr_1 & 0xff;
1673 input->byte_stream[IXGBE_ATR_DST_IPV6_OFFSET + 13] =
1674 (dst_addr_1 >> 8) & 0xff;
1675 input->byte_stream[IXGBE_ATR_DST_IPV6_OFFSET + 14] =
1676 (dst_addr_1 >> 16) & 0xff;
1677 input->byte_stream[IXGBE_ATR_DST_IPV6_OFFSET + 15] = dst_addr_1 >> 24;
1678
1679 return 0;
1680}
1681
1682/**
1683 * ixgbe_atr_set_src_port_82599 - Sets the source port
1684 * @input: input stream to modify
1685 * @src_port: the source port to load
1686 **/
1687s32 ixgbe_atr_set_src_port_82599(struct ixgbe_atr_input *input, u16 src_port)
1688{
1689 input->byte_stream[IXGBE_ATR_SRC_PORT_OFFSET + 1] = src_port >> 8;
1690 input->byte_stream[IXGBE_ATR_SRC_PORT_OFFSET] = src_port & 0xff;
1691
1692 return 0;
1693}
1694
1695/**
1696 * ixgbe_atr_set_dst_port_82599 - Sets the destination port
1697 * @input: input stream to modify
1698 * @dst_port: the destination port to load
1699 **/
1700s32 ixgbe_atr_set_dst_port_82599(struct ixgbe_atr_input *input, u16 dst_port)
1701{
1702 input->byte_stream[IXGBE_ATR_DST_PORT_OFFSET + 1] = dst_port >> 8;
1703 input->byte_stream[IXGBE_ATR_DST_PORT_OFFSET] = dst_port & 0xff;
1704
1705 return 0;
1706}
1707
1708/**
1709 * ixgbe_atr_set_flex_byte_82599 - Sets the flexible bytes
1710 * @input: input stream to modify
1711 * @flex_bytes: the flexible bytes to load
1712 **/
1713s32 ixgbe_atr_set_flex_byte_82599(struct ixgbe_atr_input *input, u16 flex_byte)
1714{
1715 input->byte_stream[IXGBE_ATR_FLEX_BYTE_OFFSET + 1] = flex_byte >> 8;
1716 input->byte_stream[IXGBE_ATR_FLEX_BYTE_OFFSET] = flex_byte & 0xff;
1717
1718 return 0;
1719}
1720
1721/**
1722 * ixgbe_atr_set_vm_pool_82599 - Sets the Virtual Machine pool
1723 * @input: input stream to modify
1724 * @vm_pool: the Virtual Machine pool to load
1725 **/
1726s32 ixgbe_atr_set_vm_pool_82599(struct ixgbe_atr_input *input, u8 vm_pool)
1727{
1728 input->byte_stream[IXGBE_ATR_VM_POOL_OFFSET] = vm_pool;
1729
1730 return 0;
1731}
1732
1733/**
1734 * ixgbe_atr_set_l4type_82599 - Sets the layer 4 packet type
1735 * @input: input stream to modify
1736 * @l4type: the layer 4 type value to load
1737 **/
1738s32 ixgbe_atr_set_l4type_82599(struct ixgbe_atr_input *input, u8 l4type)
1739{
1740 input->byte_stream[IXGBE_ATR_L4TYPE_OFFSET] = l4type;
1741
1742 return 0;
1743}
1744
1745/**
1746 * ixgbe_atr_get_vlan_id_82599 - Gets the VLAN id from the ATR input stream
1747 * @input: input stream to search
1748 * @vlan: the VLAN id to load
1749 **/
1750s32 ixgbe_atr_get_vlan_id_82599(struct ixgbe_atr_input *input, u16 *vlan)
1751{
1752 *vlan = input->byte_stream[IXGBE_ATR_VLAN_OFFSET];
1753 *vlan |= input->byte_stream[IXGBE_ATR_VLAN_OFFSET + 1] << 8;
1754
1755 return 0;
1756}
1757
1758/**
1759 * ixgbe_atr_get_src_ipv4_82599 - Gets the source IPv4 address
1760 * @input: input stream to search
1761 * @src_addr: the IP address to load
1762 **/
1763s32 ixgbe_atr_get_src_ipv4_82599(struct ixgbe_atr_input *input, u32 *src_addr)
1764{
1765 *src_addr = input->byte_stream[IXGBE_ATR_SRC_IPV4_OFFSET];
1766 *src_addr |= input->byte_stream[IXGBE_ATR_SRC_IPV4_OFFSET + 1] << 8;
1767 *src_addr |= input->byte_stream[IXGBE_ATR_SRC_IPV4_OFFSET + 2] << 16;
1768 *src_addr |= input->byte_stream[IXGBE_ATR_SRC_IPV4_OFFSET + 3] << 24;
1769
1770 return 0;
1771}
1772
1773/**
1774 * ixgbe_atr_get_dst_ipv4_82599 - Gets the destination IPv4 address
1775 * @input: input stream to search
1776 * @dst_addr: the IP address to load
1777 **/
1778s32 ixgbe_atr_get_dst_ipv4_82599(struct ixgbe_atr_input *input, u32 *dst_addr)
1779{
1780 *dst_addr = input->byte_stream[IXGBE_ATR_DST_IPV4_OFFSET];
1781 *dst_addr |= input->byte_stream[IXGBE_ATR_DST_IPV4_OFFSET + 1] << 8;
1782 *dst_addr |= input->byte_stream[IXGBE_ATR_DST_IPV4_OFFSET + 2] << 16;
1783 *dst_addr |= input->byte_stream[IXGBE_ATR_DST_IPV4_OFFSET + 3] << 24;
1784
1785 return 0;
1786}
1787
1788/**
1789 * ixgbe_atr_get_src_ipv6_82599 - Gets the source IPv6 address
1790 * @input: input stream to search
1791 * @src_addr_1: the first 4 bytes of the IP address to load
1792 * @src_addr_2: the second 4 bytes of the IP address to load
1793 * @src_addr_3: the third 4 bytes of the IP address to load
1794 * @src_addr_4: the fourth 4 bytes of the IP address to load
1795 **/
1796s32 ixgbe_atr_get_src_ipv6_82599(struct ixgbe_atr_input *input,
1797 u32 *src_addr_1, u32 *src_addr_2,
1798 u32 *src_addr_3, u32 *src_addr_4)
1799{
1800 *src_addr_1 = input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 12];
1801 *src_addr_1 = input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 13] << 8;
1802 *src_addr_1 = input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 14] << 16;
1803 *src_addr_1 = input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 15] << 24;
1804
1805 *src_addr_2 = input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 8];
1806 *src_addr_2 = input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 9] << 8;
1807 *src_addr_2 = input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 10] << 16;
1808 *src_addr_2 = input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 11] << 24;
1809
1810 *src_addr_3 = input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 4];
1811 *src_addr_3 = input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 5] << 8;
1812 *src_addr_3 = input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 6] << 16;
1813 *src_addr_3 = input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 7] << 24;
1814
1815 *src_addr_4 = input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET];
1816 *src_addr_4 = input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 1] << 8;
1817 *src_addr_4 = input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 2] << 16;
1818 *src_addr_4 = input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 3] << 24;
1819
1820 return 0;
1821}
1822
1823/**
1824 * ixgbe_atr_get_dst_ipv6_82599 - Gets the destination IPv6 address
1825 * @input: input stream to search
1826 * @dst_addr_1: the first 4 bytes of the IP address to load
1827 * @dst_addr_2: the second 4 bytes of the IP address to load
1828 * @dst_addr_3: the third 4 bytes of the IP address to load
1829 * @dst_addr_4: the fourth 4 bytes of the IP address to load
1830 **/
1831s32 ixgbe_atr_get_dst_ipv6_82599(struct ixgbe_atr_input *input,
1832 u32 *dst_addr_1, u32 *dst_addr_2,
1833 u32 *dst_addr_3, u32 *dst_addr_4)
1834{
1835 *dst_addr_1 = input->byte_stream[IXGBE_ATR_DST_IPV6_OFFSET + 12];
1836 *dst_addr_1 = input->byte_stream[IXGBE_ATR_DST_IPV6_OFFSET + 13] << 8;
1837 *dst_addr_1 = input->byte_stream[IXGBE_ATR_DST_IPV6_OFFSET + 14] << 16;
1838 *dst_addr_1 = input->byte_stream[IXGBE_ATR_DST_IPV6_OFFSET + 15] << 24;
1839
1840 *dst_addr_2 = input->byte_stream[IXGBE_ATR_DST_IPV6_OFFSET + 8];
1841 *dst_addr_2 = input->byte_stream[IXGBE_ATR_DST_IPV6_OFFSET + 9] << 8;
1842 *dst_addr_2 = input->byte_stream[IXGBE_ATR_DST_IPV6_OFFSET + 10] << 16;
1843 *dst_addr_2 = input->byte_stream[IXGBE_ATR_DST_IPV6_OFFSET + 11] << 24;
1844
1845 *dst_addr_3 = input->byte_stream[IXGBE_ATR_DST_IPV6_OFFSET + 4];
1846 *dst_addr_3 = input->byte_stream[IXGBE_ATR_DST_IPV6_OFFSET + 5] << 8;
1847 *dst_addr_3 = input->byte_stream[IXGBE_ATR_DST_IPV6_OFFSET + 6] << 16;
1848 *dst_addr_3 = input->byte_stream[IXGBE_ATR_DST_IPV6_OFFSET + 7] << 24;
1849
1850 *dst_addr_4 = input->byte_stream[IXGBE_ATR_DST_IPV6_OFFSET];
1851 *dst_addr_4 = input->byte_stream[IXGBE_ATR_DST_IPV6_OFFSET + 1] << 8;
1852 *dst_addr_4 = input->byte_stream[IXGBE_ATR_DST_IPV6_OFFSET + 2] << 16;
1853 *dst_addr_4 = input->byte_stream[IXGBE_ATR_DST_IPV6_OFFSET + 3] << 24;
1854
1855 return 0;
1856}
1857
1858/**
1859 * ixgbe_atr_get_src_port_82599 - Gets the source port
1860 * @input: input stream to modify
1861 * @src_port: the source port to load
1862 *
1863 * Even though the input is given in big-endian, the FDIRPORT registers
1864 * expect the ports to be programmed in little-endian. Hence the need to swap
1865 * endianness when retrieving the data. This can be confusing since the
1866 * internal hash engine expects it to be big-endian.
1867 **/
1868s32 ixgbe_atr_get_src_port_82599(struct ixgbe_atr_input *input, u16 *src_port)
1869{
1870 *src_port = input->byte_stream[IXGBE_ATR_SRC_PORT_OFFSET] << 8;
1871 *src_port |= input->byte_stream[IXGBE_ATR_SRC_PORT_OFFSET + 1];
1872
1873 return 0;
1874}
1875
1876/**
1877 * ixgbe_atr_get_dst_port_82599 - Gets the destination port
1878 * @input: input stream to modify
1879 * @dst_port: the destination port to load
1880 *
1881 * Even though the input is given in big-endian, the FDIRPORT registers
1882 * expect the ports to be programmed in little-endian. Hence the need to swap
1883 * endianness when retrieving the data. This can be confusing since the
1884 * internal hash engine expects it to be big-endian.
1885 **/
1886s32 ixgbe_atr_get_dst_port_82599(struct ixgbe_atr_input *input, u16 *dst_port)
1887{
1888 *dst_port = input->byte_stream[IXGBE_ATR_DST_PORT_OFFSET] << 8;
1889 *dst_port |= input->byte_stream[IXGBE_ATR_DST_PORT_OFFSET + 1];
1890
1891 return 0;
1892}
1893
1894/**
1895 * ixgbe_atr_get_flex_byte_82599 - Gets the flexible bytes
1896 * @input: input stream to modify
1897 * @flex_bytes: the flexible bytes to load
1898 **/
1899s32 ixgbe_atr_get_flex_byte_82599(struct ixgbe_atr_input *input, u16 *flex_byte)
1900{
1901 *flex_byte = input->byte_stream[IXGBE_ATR_FLEX_BYTE_OFFSET];
1902 *flex_byte |= input->byte_stream[IXGBE_ATR_FLEX_BYTE_OFFSET + 1] << 8;
1903
1904 return 0;
1905}
1906
1907/**
1908 * ixgbe_atr_get_vm_pool_82599 - Gets the Virtual Machine pool
1909 * @input: input stream to modify
1910 * @vm_pool: the Virtual Machine pool to load
1911 **/
1912s32 ixgbe_atr_get_vm_pool_82599(struct ixgbe_atr_input *input, u8 *vm_pool)
1913{
1914 *vm_pool = input->byte_stream[IXGBE_ATR_VM_POOL_OFFSET];
1915
1916 return 0;
1917}
1918
1919/**
1920 * ixgbe_atr_get_l4type_82599 - Gets the layer 4 packet type
1921 * @input: input stream to modify
1922 * @l4type: the layer 4 type value to load
1923 **/
1924s32 ixgbe_atr_get_l4type_82599(struct ixgbe_atr_input *input, u8 *l4type)
1925{
1926 *l4type = input->byte_stream[IXGBE_ATR_L4TYPE_OFFSET];
1927
1928 return 0;
1929}
1930
1931/**
1932 * ixgbe_atr_add_signature_filter_82599 - Adds a signature hash filter
1933 * @hw: pointer to hardware structure
1934 * @stream: input bitstream
1935 * @queue: queue index to direct traffic to
1936 **/
1937s32 ixgbe_fdir_add_signature_filter_82599(struct ixgbe_hw *hw,
1938 struct ixgbe_atr_input *input,
1939 u8 queue)
1940{
1941 u64 fdirhashcmd;
1942 u64 fdircmd;
1943 u32 fdirhash;
1944 u16 bucket_hash, sig_hash;
1945 u8 l4type;
1946
1947 bucket_hash = ixgbe_atr_compute_hash_82599(input,
1948 IXGBE_ATR_BUCKET_HASH_KEY);
1949
1950 /* bucket_hash is only 15 bits */
1951 bucket_hash &= IXGBE_ATR_HASH_MASK;
1952
1953 sig_hash = ixgbe_atr_compute_hash_82599(input,
1954 IXGBE_ATR_SIGNATURE_HASH_KEY);
1955
1956 /* Get the l4type in order to program FDIRCMD properly */
1957 /* lowest 2 bits are FDIRCMD.L4TYPE, third lowest bit is FDIRCMD.IPV6 */
1958 ixgbe_atr_get_l4type_82599(input, &l4type);
1959
1960 /*
1961 * The lower 32-bits of fdirhashcmd is for FDIRHASH, the upper 32-bits
1962 * is for FDIRCMD. Then do a 64-bit register write from FDIRHASH.
1963 */
1964 fdirhash = sig_hash << IXGBE_FDIRHASH_SIG_SW_INDEX_SHIFT | bucket_hash;
1965
1966 fdircmd = (IXGBE_FDIRCMD_CMD_ADD_FLOW | IXGBE_FDIRCMD_FILTER_UPDATE |
1967 IXGBE_FDIRCMD_LAST | IXGBE_FDIRCMD_QUEUE_EN);
1968
1969 switch (l4type & IXGBE_ATR_L4TYPE_MASK) {
1970 case IXGBE_ATR_L4TYPE_TCP:
1971 fdircmd |= IXGBE_FDIRCMD_L4TYPE_TCP;
1972 break;
1973 case IXGBE_ATR_L4TYPE_UDP:
1974 fdircmd |= IXGBE_FDIRCMD_L4TYPE_UDP;
1975 break;
1976 case IXGBE_ATR_L4TYPE_SCTP:
1977 fdircmd |= IXGBE_FDIRCMD_L4TYPE_SCTP;
1978 break;
1979 default:
1980 hw_dbg(hw, "Error on l4type input\n");
1981 return IXGBE_ERR_CONFIG;
1982 }
1983
1984 if (l4type & IXGBE_ATR_L4TYPE_IPV6_MASK)
1985 fdircmd |= IXGBE_FDIRCMD_IPV6;
1986
1987 fdircmd |= ((u64)queue << IXGBE_FDIRCMD_RX_QUEUE_SHIFT);
1988 fdirhashcmd = ((fdircmd << 32) | fdirhash);
1989
1990 IXGBE_WRITE_REG64(hw, IXGBE_FDIRHASH, fdirhashcmd);
1991
1992 return 0;
1993}
1994
1995/**
1996 * ixgbe_fdir_add_perfect_filter_82599 - Adds a perfect filter
1997 * @hw: pointer to hardware structure
1998 * @input: input bitstream
1999 * @queue: queue index to direct traffic to
2000 *
2001 * Note that the caller to this function must lock before calling, since the
2002 * hardware writes must be protected from one another.
2003 **/
2004s32 ixgbe_fdir_add_perfect_filter_82599(struct ixgbe_hw *hw,
2005 struct ixgbe_atr_input *input,
2006 u16 soft_id,
2007 u8 queue)
2008{
2009 u32 fdircmd = 0;
2010 u32 fdirhash;
2011 u32 src_ipv4, dst_ipv4;
2012 u32 src_ipv6_1, src_ipv6_2, src_ipv6_3, src_ipv6_4;
2013 u16 src_port, dst_port, vlan_id, flex_bytes;
2014 u16 bucket_hash;
2015 u8 l4type;
2016
2017 /* Get our input values */
2018 ixgbe_atr_get_l4type_82599(input, &l4type);
2019
2020 /*
2021 * Check l4type formatting, and bail out before we touch the hardware
2022 * if there's a configuration issue
2023 */
2024 switch (l4type & IXGBE_ATR_L4TYPE_MASK) {
2025 case IXGBE_ATR_L4TYPE_TCP:
2026 fdircmd |= IXGBE_FDIRCMD_L4TYPE_TCP;
2027 break;
2028 case IXGBE_ATR_L4TYPE_UDP:
2029 fdircmd |= IXGBE_FDIRCMD_L4TYPE_UDP;
2030 break;
2031 case IXGBE_ATR_L4TYPE_SCTP:
2032 fdircmd |= IXGBE_FDIRCMD_L4TYPE_SCTP;
2033 break;
2034 default:
2035 hw_dbg(hw, "Error on l4type input\n");
2036 return IXGBE_ERR_CONFIG;
2037 }
2038
2039 bucket_hash = ixgbe_atr_compute_hash_82599(input,
2040 IXGBE_ATR_BUCKET_HASH_KEY);
2041
2042 /* bucket_hash is only 15 bits */
2043 bucket_hash &= IXGBE_ATR_HASH_MASK;
2044
2045 ixgbe_atr_get_vlan_id_82599(input, &vlan_id);
2046 ixgbe_atr_get_src_port_82599(input, &src_port);
2047 ixgbe_atr_get_dst_port_82599(input, &dst_port);
2048 ixgbe_atr_get_flex_byte_82599(input, &flex_bytes);
2049
2050 fdirhash = soft_id << IXGBE_FDIRHASH_SIG_SW_INDEX_SHIFT | bucket_hash;
2051
2052 /* Now figure out if we're IPv4 or IPv6 */
2053 if (l4type & IXGBE_ATR_L4TYPE_IPV6_MASK) {
2054 /* IPv6 */
2055 ixgbe_atr_get_src_ipv6_82599(input, &src_ipv6_1, &src_ipv6_2,
2056 &src_ipv6_3, &src_ipv6_4);
2057
2058 IXGBE_WRITE_REG(hw, IXGBE_FDIRSIPv6(0), src_ipv6_1);
2059 IXGBE_WRITE_REG(hw, IXGBE_FDIRSIPv6(1), src_ipv6_2);
2060 IXGBE_WRITE_REG(hw, IXGBE_FDIRSIPv6(2), src_ipv6_3);
2061 /* The last 4 bytes is the same register as IPv4 */
2062 IXGBE_WRITE_REG(hw, IXGBE_FDIRIPSA, src_ipv6_4);
2063
2064 fdircmd |= IXGBE_FDIRCMD_IPV6;
2065 fdircmd |= IXGBE_FDIRCMD_IPv6DMATCH;
2066 } else {
2067 /* IPv4 */
2068 ixgbe_atr_get_src_ipv4_82599(input, &src_ipv4);
2069 IXGBE_WRITE_REG(hw, IXGBE_FDIRIPSA, src_ipv4);
2070
2071 }
2072
2073 ixgbe_atr_get_dst_ipv4_82599(input, &dst_ipv4);
2074 IXGBE_WRITE_REG(hw, IXGBE_FDIRIPDA, dst_ipv4);
2075
2076 IXGBE_WRITE_REG(hw, IXGBE_FDIRVLAN, (vlan_id |
2077 (flex_bytes << IXGBE_FDIRVLAN_FLEX_SHIFT)));
2078 IXGBE_WRITE_REG(hw, IXGBE_FDIRPORT, (src_port |
2079 (dst_port << IXGBE_FDIRPORT_DESTINATION_SHIFT)));
2080
2081 fdircmd |= IXGBE_FDIRCMD_CMD_ADD_FLOW;
2082 fdircmd |= IXGBE_FDIRCMD_FILTER_UPDATE;
2083 fdircmd |= IXGBE_FDIRCMD_LAST;
2084 fdircmd |= IXGBE_FDIRCMD_QUEUE_EN;
2085 fdircmd |= queue << IXGBE_FDIRCMD_RX_QUEUE_SHIFT;
2086
2087 IXGBE_WRITE_REG(hw, IXGBE_FDIRHASH, fdirhash);
2088 IXGBE_WRITE_REG(hw, IXGBE_FDIRCMD, fdircmd);
2089
2090 return 0;
2091}
2092/**
1168 * ixgbe_read_analog_reg8_82599 - Reads 8 bit Omer analog register 2093 * ixgbe_read_analog_reg8_82599 - Reads 8 bit Omer analog register
1169 * @hw: pointer to hardware structure 2094 * @hw: pointer to hardware structure
1170 * @reg: analog register to read 2095 * @reg: analog register to read
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-05 18:17:01 -0500