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38 #include <sys/queue.h>
40 #include <rte_interrupts.h>
42 #include <rte_debug.h>
44 #include <rte_ether.h>
45 #include <rte_ethdev.h>
47 #include "ixgbe_logs.h"
48 #include "base/ixgbe_api.h"
49 #include "base/ixgbe_common.h"
50 #include "ixgbe_ethdev.h"
52 /* To get PBALLOC (Packet Buffer Allocation) bits from FDIRCTRL value */
53 #define FDIRCTRL_PBALLOC_MASK 0x03
55 /* For calculating memory required for FDIR filters */
56 #define PBALLOC_SIZE_SHIFT 15
58 /* Number of bits used to mask bucket hash for different pballoc sizes */
59 #define PERFECT_BUCKET_64KB_HASH_MASK 0x07FF /* 11 bits */
60 #define PERFECT_BUCKET_128KB_HASH_MASK 0x0FFF /* 12 bits */
61 #define PERFECT_BUCKET_256KB_HASH_MASK 0x1FFF /* 13 bits */
62 #define SIG_BUCKET_64KB_HASH_MASK 0x1FFF /* 13 bits */
63 #define SIG_BUCKET_128KB_HASH_MASK 0x3FFF /* 14 bits */
64 #define SIG_BUCKET_256KB_HASH_MASK 0x7FFF /* 15 bits */
65 #define IXGBE_DEFAULT_FLEXBYTES_OFFSET 12 /* default flexbytes offset in bytes */
66 #define IXGBE_FDIR_MAX_FLEX_LEN 2 /* len in bytes of flexbytes */
67 #define IXGBE_MAX_FLX_SOURCE_OFF 62
68 #define IXGBE_FDIRCTRL_FLEX_MASK (0x1F << IXGBE_FDIRCTRL_FLEX_SHIFT)
69 #define IXGBE_FDIRCMD_CMD_INTERVAL_US 10
71 #define IXGBE_FDIR_FLOW_TYPES ( \
72 (1 << RTE_ETH_FLOW_NONFRAG_IPV4_UDP) | \
73 (1 << RTE_ETH_FLOW_NONFRAG_IPV4_TCP) | \
74 (1 << RTE_ETH_FLOW_NONFRAG_IPV4_SCTP) | \
75 (1 << RTE_ETH_FLOW_NONFRAG_IPV4_OTHER) | \
76 (1 << RTE_ETH_FLOW_NONFRAG_IPV6_UDP) | \
77 (1 << RTE_ETH_FLOW_NONFRAG_IPV6_TCP) | \
78 (1 << RTE_ETH_FLOW_NONFRAG_IPV6_SCTP) | \
79 (1 << RTE_ETH_FLOW_NONFRAG_IPV6_OTHER))
81 #define IPV6_ADDR_TO_MASK(ipaddr, ipv6m) do { \
82 uint8_t ipv6_addr[16]; \
84 rte_memcpy(ipv6_addr, (ipaddr), sizeof(ipv6_addr));\
86 for (i = 0; i < sizeof(ipv6_addr); i++) { \
87 if (ipv6_addr[i] == UINT8_MAX) \
89 else if (ipv6_addr[i] != 0) { \
90 PMD_DRV_LOG(ERR, " invalid IPv6 address mask."); \
96 #define IPV6_MASK_TO_ADDR(ipv6m, ipaddr) do { \
97 uint8_t ipv6_addr[16]; \
99 for (i = 0; i < sizeof(ipv6_addr); i++) { \
100 if ((ipv6m) & (1 << i)) \
101 ipv6_addr[i] = UINT8_MAX; \
105 rte_memcpy((ipaddr), ipv6_addr, sizeof(ipv6_addr));\
108 static int fdir_erase_filter_82599(struct ixgbe_hw *hw, uint32_t fdirhash);
109 static int fdir_set_input_mask_82599(struct rte_eth_dev *dev,
110 const struct rte_eth_fdir_masks *input_mask);
111 static int ixgbe_set_fdir_flex_conf(struct rte_eth_dev *dev,
112 const struct rte_eth_fdir_flex_conf *conf);
113 static int fdir_enable_82599(struct ixgbe_hw *hw, uint32_t fdirctrl);
114 static int ixgbe_fdir_filter_to_atr_input(
115 const struct rte_eth_fdir_filter *fdir_filter,
116 union ixgbe_atr_input *input);
117 static uint32_t ixgbe_atr_compute_hash_82599(union ixgbe_atr_input *atr_input,
119 static uint32_t atr_compute_sig_hash_82599(union ixgbe_atr_input *input,
120 enum rte_fdir_pballoc_type pballoc);
121 static uint32_t atr_compute_perfect_hash_82599(union ixgbe_atr_input *input,
122 enum rte_fdir_pballoc_type pballoc);
123 static int fdir_write_perfect_filter_82599(struct ixgbe_hw *hw,
124 union ixgbe_atr_input *input, uint8_t queue,
125 uint32_t fdircmd, uint32_t fdirhash);
126 static int fdir_add_signature_filter_82599(struct ixgbe_hw *hw,
127 union ixgbe_atr_input *input, u8 queue, uint32_t fdircmd,
129 static int ixgbe_add_del_fdir_filter(struct rte_eth_dev *dev,
130 const struct rte_eth_fdir_filter *fdir_filter,
133 static int ixgbe_fdir_flush(struct rte_eth_dev *dev);
134 static void ixgbe_fdir_info_get(struct rte_eth_dev *dev,
135 struct rte_eth_fdir_info *fdir_info);
136 static void ixgbe_fdir_stats_get(struct rte_eth_dev *dev,
137 struct rte_eth_fdir_stats *fdir_stats);
140 * This function is based on ixgbe_fdir_enable_82599() in base/ixgbe_82599.c.
141 * It adds extra configuration of fdirctrl that is common for all filter types.
143 * Initialize Flow Director control registers
144 * @hw: pointer to hardware structure
145 * @fdirctrl: value to write to flow director control register
148 fdir_enable_82599(struct ixgbe_hw *hw, uint32_t fdirctrl)
152 PMD_INIT_FUNC_TRACE();
154 /* Prime the keys for hashing */
155 IXGBE_WRITE_REG(hw, IXGBE_FDIRHKEY, IXGBE_ATR_BUCKET_HASH_KEY);
156 IXGBE_WRITE_REG(hw, IXGBE_FDIRSKEY, IXGBE_ATR_SIGNATURE_HASH_KEY);
159 * Continue setup of fdirctrl register bits:
160 * Set the maximum length per hash bucket to 0xA filters
161 * Send interrupt when 64 filters are left
163 fdirctrl |= (0xA << IXGBE_FDIRCTRL_MAX_LENGTH_SHIFT) |
164 (4 << IXGBE_FDIRCTRL_FULL_THRESH_SHIFT);
167 * Poll init-done after we write the register. Estimated times:
168 * 10G: PBALLOC = 11b, timing is 60us
169 * 1G: PBALLOC = 11b, timing is 600us
170 * 100M: PBALLOC = 11b, timing is 6ms
172 * Multiple these timings by 4 if under full Rx load
174 * So we'll poll for IXGBE_FDIR_INIT_DONE_POLL times, sleeping for
175 * 1 msec per poll time. If we're at line rate and drop to 100M, then
176 * this might not finish in our poll time, but we can live with that
179 IXGBE_WRITE_REG(hw, IXGBE_FDIRCTRL, fdirctrl);
180 IXGBE_WRITE_FLUSH(hw);
181 for (i = 0; i < IXGBE_FDIR_INIT_DONE_POLL; i++) {
182 if (IXGBE_READ_REG(hw, IXGBE_FDIRCTRL) &
183 IXGBE_FDIRCTRL_INIT_DONE)
188 if (i >= IXGBE_FDIR_INIT_DONE_POLL) {
189 PMD_INIT_LOG(ERR, "Flow Director poll time exceeded "
197 * Set appropriate bits in fdirctrl for: variable reporting levels, moving
198 * flexbytes matching field, and drop queue (only for perfect matching mode).
201 configure_fdir_flags(const struct rte_fdir_conf *conf, uint32_t *fdirctrl)
205 switch (conf->pballoc) {
206 case RTE_FDIR_PBALLOC_64K:
207 /* 8k - 1 signature filters */
208 *fdirctrl |= IXGBE_FDIRCTRL_PBALLOC_64K;
210 case RTE_FDIR_PBALLOC_128K:
211 /* 16k - 1 signature filters */
212 *fdirctrl |= IXGBE_FDIRCTRL_PBALLOC_128K;
214 case RTE_FDIR_PBALLOC_256K:
215 /* 32k - 1 signature filters */
216 *fdirctrl |= IXGBE_FDIRCTRL_PBALLOC_256K;
220 PMD_INIT_LOG(ERR, "Invalid fdir_conf->pballoc value");
224 /* status flags: write hash & swindex in the rx descriptor */
225 switch (conf->status) {
226 case RTE_FDIR_NO_REPORT_STATUS:
227 /* do nothing, default mode */
229 case RTE_FDIR_REPORT_STATUS:
230 /* report status when the packet matches a fdir rule */
231 *fdirctrl |= IXGBE_FDIRCTRL_REPORT_STATUS;
233 case RTE_FDIR_REPORT_STATUS_ALWAYS:
234 /* always report status */
235 *fdirctrl |= IXGBE_FDIRCTRL_REPORT_STATUS_ALWAYS;
239 PMD_INIT_LOG(ERR, "Invalid fdir_conf->status value");
243 *fdirctrl |= (IXGBE_DEFAULT_FLEXBYTES_OFFSET / sizeof(uint16_t)) <<
244 IXGBE_FDIRCTRL_FLEX_SHIFT;
246 if (conf->mode == RTE_FDIR_MODE_PERFECT) {
247 *fdirctrl |= IXGBE_FDIRCTRL_PERFECT_MATCH;
248 *fdirctrl |= (conf->drop_queue << IXGBE_FDIRCTRL_DROP_Q_SHIFT);
251 * Continue setup of fdirctrl register bits:
252 * Set the maximum length per hash bucket to 0xA filters
253 * Send interrupt when 64 filters are left
255 *fdirctrl |= (0xA << IXGBE_FDIRCTRL_MAX_LENGTH_SHIFT) |
256 (4 << IXGBE_FDIRCTRL_FULL_THRESH_SHIFT);
262 * Reverse the bits in FDIR registers that store 2 x 16 bit masks.
264 * @hi_dword: Bits 31:16 mask to be bit swapped.
265 * @lo_dword: Bits 15:0 mask to be bit swapped.
267 * Flow director uses several registers to store 2 x 16 bit masks with the
268 * bits reversed such as FDIRTCPM, FDIRUDPM. The LS bit of the
269 * mask affects the MS bit/byte of the target. This function reverses the
270 * bits in these masks.
272 static inline uint32_t
273 reverse_fdir_bitmasks(uint16_t hi_dword, uint16_t lo_dword)
275 uint32_t mask = hi_dword << 16;
277 mask = ((mask & 0x55555555) << 1) | ((mask & 0xAAAAAAAA) >> 1);
278 mask = ((mask & 0x33333333) << 2) | ((mask & 0xCCCCCCCC) >> 2);
279 mask = ((mask & 0x0F0F0F0F) << 4) | ((mask & 0xF0F0F0F0) >> 4);
280 return ((mask & 0x00FF00FF) << 8) | ((mask & 0xFF00FF00) >> 8);
284 * This is based on ixgbe_fdir_set_input_mask_82599() in base/ixgbe_82599.c,
285 * but makes use of the rte_fdir_masks structure to see which bits to set.
288 fdir_set_input_mask_82599(struct rte_eth_dev *dev,
289 const struct rte_eth_fdir_masks *input_mask)
291 struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
292 struct ixgbe_hw_fdir_info *info =
293 IXGBE_DEV_PRIVATE_TO_FDIR_INFO(dev->data->dev_private);
295 * mask VM pool and DIPv6 since there are currently not supported
296 * mask FLEX byte, it will be set in flex_conf
298 uint32_t fdirm = IXGBE_FDIRM_POOL | IXGBE_FDIRM_DIPv6 | IXGBE_FDIRM_FLEX;
299 uint32_t fdirtcpm; /* TCP source and destination port masks. */
300 uint32_t fdiripv6m; /* IPv6 source and destination masks. */
301 uint16_t dst_ipv6m = 0;
302 uint16_t src_ipv6m = 0;
304 PMD_INIT_FUNC_TRACE();
307 * Program the relevant mask registers. If src/dst_port or src/dst_addr
308 * are zero, then assume a full mask for that field. Also assume that
309 * a VLAN of 0 is unspecified, so mask that out as well. L4type
310 * cannot be masked out in this implementation.
312 if (input_mask->dst_port_mask == 0 && input_mask->src_port_mask == 0)
313 /* use the L4 protocol mask for raw IPv4/IPv6 traffic */
314 fdirm |= IXGBE_FDIRM_L4P;
316 if (input_mask->vlan_tci_mask == 0x0FFF)
317 /* mask VLAN Priority */
318 fdirm |= IXGBE_FDIRM_VLANP;
319 else if (input_mask->vlan_tci_mask == 0xE000)
321 fdirm |= IXGBE_FDIRM_VLANID;
322 else if (input_mask->vlan_tci_mask == 0)
323 /* mask VLAN ID and Priority */
324 fdirm |= IXGBE_FDIRM_VLANID | IXGBE_FDIRM_VLANP;
325 else if (input_mask->vlan_tci_mask != 0xEFFF) {
326 PMD_INIT_LOG(ERR, "invalid vlan_tci_mask");
329 info->mask.vlan_tci_mask = input_mask->vlan_tci_mask;
331 IXGBE_WRITE_REG(hw, IXGBE_FDIRM, fdirm);
333 /* store the TCP/UDP port masks, bit reversed from port layout */
334 fdirtcpm = reverse_fdir_bitmasks(input_mask->dst_port_mask,
335 input_mask->src_port_mask);
337 /* write all the same so that UDP, TCP and SCTP use the same mask */
338 IXGBE_WRITE_REG(hw, IXGBE_FDIRTCPM, ~fdirtcpm);
339 IXGBE_WRITE_REG(hw, IXGBE_FDIRUDPM, ~fdirtcpm);
340 IXGBE_WRITE_REG(hw, IXGBE_FDIRSCTPM, ~fdirtcpm);
341 info->mask.src_port_mask = input_mask->src_port_mask;
342 info->mask.dst_port_mask = input_mask->dst_port_mask;
344 /* Store source and destination IPv4 masks (big-endian) */
345 IXGBE_WRITE_REG(hw, IXGBE_FDIRSIP4M, ~(input_mask->ipv4_mask.src_ip));
346 IXGBE_WRITE_REG(hw, IXGBE_FDIRDIP4M, ~(input_mask->ipv4_mask.dst_ip));
347 info->mask.src_ipv4_mask = input_mask->ipv4_mask.src_ip;
348 info->mask.dst_ipv4_mask = input_mask->ipv4_mask.dst_ip;
350 if (dev->data->dev_conf.fdir_conf.mode == RTE_FDIR_MODE_SIGNATURE) {
352 * IPv6 mask is only meaningful in signature mode
353 * Store source and destination IPv6 masks (bit reversed)
355 IPV6_ADDR_TO_MASK(input_mask->ipv6_mask.src_ip, src_ipv6m);
356 IPV6_ADDR_TO_MASK(input_mask->ipv6_mask.dst_ip, dst_ipv6m);
357 fdiripv6m = (dst_ipv6m << 16) | src_ipv6m;
359 IXGBE_WRITE_REG(hw, IXGBE_FDIRIP6M, ~fdiripv6m);
360 info->mask.src_ipv6_mask = src_ipv6m;
361 info->mask.dst_ipv6_mask = dst_ipv6m;
364 return IXGBE_SUCCESS;
368 * ixgbe_check_fdir_flex_conf -check if the flex payload and mask configuration
369 * arguments are valid
372 ixgbe_set_fdir_flex_conf(struct rte_eth_dev *dev,
373 const struct rte_eth_fdir_flex_conf *conf)
375 struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
376 struct ixgbe_hw_fdir_info *info =
377 IXGBE_DEV_PRIVATE_TO_FDIR_INFO(dev->data->dev_private);
378 const struct rte_eth_flex_payload_cfg *flex_cfg;
379 const struct rte_eth_fdir_flex_mask *flex_mask;
380 uint32_t fdirctrl, fdirm;
381 uint16_t flexbytes = 0;
384 fdirctrl = IXGBE_READ_REG(hw, IXGBE_FDIRCTRL);
385 fdirm = IXGBE_READ_REG(hw, IXGBE_FDIRM);
388 PMD_DRV_LOG(INFO, "NULL pointer.");
392 for (i = 0; i < conf->nb_payloads; i++) {
393 flex_cfg = &conf->flex_set[i];
394 if (flex_cfg->type != RTE_ETH_RAW_PAYLOAD) {
395 PMD_DRV_LOG(ERR, "unsupported payload type.");
398 if (((flex_cfg->src_offset[0] & 0x1) == 0) &&
399 (flex_cfg->src_offset[1] == flex_cfg->src_offset[0] + 1) &&
400 (flex_cfg->src_offset[0] <= IXGBE_MAX_FLX_SOURCE_OFF)) {
401 fdirctrl &= ~IXGBE_FDIRCTRL_FLEX_MASK;
402 fdirctrl |= (flex_cfg->src_offset[0] / sizeof(uint16_t)) <<
403 IXGBE_FDIRCTRL_FLEX_SHIFT;
405 PMD_DRV_LOG(ERR, "invalid flexbytes arguments.");
410 for (i = 0; i < conf->nb_flexmasks; i++) {
411 flex_mask = &conf->flex_mask[i];
412 if (flex_mask->flow_type != RTE_ETH_FLOW_UNKNOWN) {
413 PMD_DRV_LOG(ERR, "flexmask should be set globally.");
416 flexbytes = (uint16_t)(((flex_mask->mask[0] << 8) & 0xFF00) |
417 ((flex_mask->mask[1]) & 0xFF));
418 if (flexbytes == UINT16_MAX)
419 fdirm &= ~IXGBE_FDIRM_FLEX;
420 else if (flexbytes != 0) {
421 /* IXGBE_FDIRM_FLEX is set by default when set mask */
422 PMD_DRV_LOG(ERR, " invalid flexbytes mask arguments.");
426 IXGBE_WRITE_REG(hw, IXGBE_FDIRCTRL, fdirctrl);
427 IXGBE_WRITE_REG(hw, IXGBE_FDIRM, fdirm);
428 info->mask.flex_bytes_mask = flexbytes ? UINT16_MAX : 0;
429 info->flex_bytes_offset = (uint8_t)((fdirctrl &
430 IXGBE_FDIRCTRL_FLEX_MASK) >>
431 IXGBE_FDIRCTRL_FLEX_SHIFT);
436 ixgbe_fdir_configure(struct rte_eth_dev *dev)
438 struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
440 uint32_t fdirctrl, pbsize;
443 PMD_INIT_FUNC_TRACE();
445 if (hw->mac.type != ixgbe_mac_82599EB &&
446 hw->mac.type != ixgbe_mac_X540 &&
447 hw->mac.type != ixgbe_mac_X550 &&
448 hw->mac.type != ixgbe_mac_X550EM_x)
451 err = configure_fdir_flags(&dev->data->dev_conf.fdir_conf, &fdirctrl);
456 * Before enabling Flow Director, the Rx Packet Buffer size
457 * must be reduced. The new value is the current size minus
458 * flow director memory usage size.
460 pbsize = (1 << (PBALLOC_SIZE_SHIFT + (fdirctrl & FDIRCTRL_PBALLOC_MASK)));
461 IXGBE_WRITE_REG(hw, IXGBE_RXPBSIZE(0),
462 (IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(0)) - pbsize));
465 * The defaults in the HW for RX PB 1-7 are not zero and so should be
466 * intialized to zero for non DCB mode otherwise actual total RX PB
467 * would be bigger than programmed and filter space would run into
470 for (i = 1; i < 8; i++)
471 IXGBE_WRITE_REG(hw, IXGBE_RXPBSIZE(i), 0);
473 err = fdir_set_input_mask_82599(dev, &dev->data->dev_conf.fdir_conf.mask);
475 PMD_INIT_LOG(ERR, " Error on setting FD mask");
478 err = ixgbe_set_fdir_flex_conf(dev,
479 &dev->data->dev_conf.fdir_conf.flex_conf);
481 PMD_INIT_LOG(ERR, " Error on setting FD flexible arguments.");
485 err = fdir_enable_82599(hw, fdirctrl);
487 PMD_INIT_LOG(ERR, " Error on enabling FD.");
494 * Convert DPDK rte_eth_fdir_filter struct to ixgbe_atr_input union that is used
495 * by the IXGBE driver code.
498 ixgbe_fdir_filter_to_atr_input(const struct rte_eth_fdir_filter *fdir_filter,
499 union ixgbe_atr_input *input)
501 input->formatted.vlan_id = fdir_filter->input.flow_ext.vlan_tci;
502 input->formatted.flex_bytes = (uint16_t)(
503 (fdir_filter->input.flow_ext.flexbytes[1] << 8 & 0xFF00) |
504 (fdir_filter->input.flow_ext.flexbytes[0] & 0xFF));
506 switch (fdir_filter->input.flow_type) {
507 case RTE_ETH_FLOW_NONFRAG_IPV4_UDP:
508 input->formatted.flow_type = IXGBE_ATR_FLOW_TYPE_UDPV4;
510 case RTE_ETH_FLOW_NONFRAG_IPV4_TCP:
511 input->formatted.flow_type = IXGBE_ATR_FLOW_TYPE_TCPV4;
513 case RTE_ETH_FLOW_NONFRAG_IPV4_SCTP:
514 input->formatted.flow_type = IXGBE_ATR_FLOW_TYPE_SCTPV4;
516 case RTE_ETH_FLOW_NONFRAG_IPV4_OTHER:
517 input->formatted.flow_type = IXGBE_ATR_FLOW_TYPE_IPV4;
519 case RTE_ETH_FLOW_NONFRAG_IPV6_UDP:
520 input->formatted.flow_type = IXGBE_ATR_FLOW_TYPE_UDPV6;
522 case RTE_ETH_FLOW_NONFRAG_IPV6_TCP:
523 input->formatted.flow_type = IXGBE_ATR_FLOW_TYPE_TCPV6;
525 case RTE_ETH_FLOW_NONFRAG_IPV6_SCTP:
526 input->formatted.flow_type = IXGBE_ATR_FLOW_TYPE_SCTPV6;
528 case RTE_ETH_FLOW_NONFRAG_IPV6_OTHER:
529 input->formatted.flow_type = IXGBE_ATR_FLOW_TYPE_IPV6;
532 PMD_DRV_LOG(ERR, " Error on flow_type input");
536 switch (fdir_filter->input.flow_type) {
537 case RTE_ETH_FLOW_NONFRAG_IPV4_UDP:
538 case RTE_ETH_FLOW_NONFRAG_IPV4_TCP:
539 input->formatted.src_port =
540 fdir_filter->input.flow.udp4_flow.src_port;
541 input->formatted.dst_port =
542 fdir_filter->input.flow.udp4_flow.dst_port;
543 /*for SCTP flow type, port and verify_tag are meaningless in ixgbe.*/
544 case RTE_ETH_FLOW_NONFRAG_IPV4_SCTP:
545 case RTE_ETH_FLOW_NONFRAG_IPV4_OTHER:
546 input->formatted.src_ip[0] =
547 fdir_filter->input.flow.ip4_flow.src_ip;
548 input->formatted.dst_ip[0] =
549 fdir_filter->input.flow.ip4_flow.dst_ip;
552 case RTE_ETH_FLOW_NONFRAG_IPV6_UDP:
553 case RTE_ETH_FLOW_NONFRAG_IPV6_TCP:
554 input->formatted.src_port =
555 fdir_filter->input.flow.udp6_flow.src_port;
556 input->formatted.dst_port =
557 fdir_filter->input.flow.udp6_flow.dst_port;
558 /*for SCTP flow type, port and verify_tag are meaningless in ixgbe.*/
559 case RTE_ETH_FLOW_NONFRAG_IPV6_SCTP:
560 case RTE_ETH_FLOW_NONFRAG_IPV6_OTHER:
561 rte_memcpy(input->formatted.src_ip,
562 fdir_filter->input.flow.ipv6_flow.src_ip,
563 sizeof(input->formatted.src_ip));
564 rte_memcpy(input->formatted.dst_ip,
565 fdir_filter->input.flow.ipv6_flow.dst_ip,
566 sizeof(input->formatted.dst_ip));
569 PMD_DRV_LOG(ERR, " Error on flow_type input");
577 * The below function is taken from the FreeBSD IXGBE drivers release
578 * 2.3.8. The only change is not to mask hash_result with IXGBE_ATR_HASH_MASK
579 * before returning, as the signature hash can use 16bits.
581 * The newer driver has optimised functions for calculating bucket and
582 * signature hashes. However they don't support IPv6 type packets for signature
583 * filters so are not used here.
585 * Note that the bkt_hash field in the ixgbe_atr_input structure is also never
588 * Compute the hashes for SW ATR
589 * @stream: input bitstream to compute the hash on
590 * @key: 32-bit hash key
593 ixgbe_atr_compute_hash_82599(union ixgbe_atr_input *atr_input,
597 * The algorithm is as follows:
598 * Hash[15:0] = Sum { S[n] x K[n+16] }, n = 0...350
599 * where Sum {A[n]}, n = 0...n is bitwise XOR of A[0], A[1]...A[n]
600 * and A[n] x B[n] is bitwise AND between same length strings
602 * K[n] is 16 bits, defined as:
603 * for n modulo 32 >= 15, K[n] = K[n % 32 : (n % 32) - 15]
604 * for n modulo 32 < 15, K[n] =
605 * K[(n % 32:0) | (31:31 - (14 - (n % 32)))]
607 * S[n] is 16 bits, defined as:
608 * for n >= 15, S[n] = S[n:n - 15]
609 * for n < 15, S[n] = S[(n:0) | (350:350 - (14 - n))]
611 * To simplify for programming, the algorithm is implemented
612 * in software this way:
614 * key[31:0], hi_hash_dword[31:0], lo_hash_dword[31:0], hash[15:0]
616 * for (i = 0; i < 352; i+=32)
617 * hi_hash_dword[31:0] ^= Stream[(i+31):i];
619 * lo_hash_dword[15:0] ^= Stream[15:0];
620 * lo_hash_dword[15:0] ^= hi_hash_dword[31:16];
621 * lo_hash_dword[31:16] ^= hi_hash_dword[15:0];
623 * hi_hash_dword[31:0] ^= Stream[351:320];
626 * hash[15:0] ^= Stream[15:0];
628 * for (i = 0; i < 16; i++) {
630 * hash[15:0] ^= lo_hash_dword[(i+15):i];
632 * hash[15:0] ^= hi_hash_dword[(i+15):i];
636 __be32 common_hash_dword = 0;
637 u32 hi_hash_dword, lo_hash_dword, flow_vm_vlan;
641 /* record the flow_vm_vlan bits as they are a key part to the hash */
642 flow_vm_vlan = IXGBE_NTOHL(atr_input->dword_stream[0]);
644 /* generate common hash dword */
645 for (i = 1; i <= 13; i++)
646 common_hash_dword ^= atr_input->dword_stream[i];
648 hi_hash_dword = IXGBE_NTOHL(common_hash_dword);
650 /* low dword is word swapped version of common */
651 lo_hash_dword = (hi_hash_dword >> 16) | (hi_hash_dword << 16);
653 /* apply flow ID/VM pool/VLAN ID bits to hash words */
654 hi_hash_dword ^= flow_vm_vlan ^ (flow_vm_vlan >> 16);
656 /* Process bits 0 and 16 */
657 if (key & 0x0001) hash_result ^= lo_hash_dword;
658 if (key & 0x00010000) hash_result ^= hi_hash_dword;
661 * apply flow ID/VM pool/VLAN ID bits to lo hash dword, we had to
662 * delay this because bit 0 of the stream should not be processed
663 * so we do not add the vlan until after bit 0 was processed
665 lo_hash_dword ^= flow_vm_vlan ^ (flow_vm_vlan << 16);
668 /* process the remaining 30 bits in the key 2 bits at a time */
669 for (i = 15; i; i-- ) {
670 if (key & (0x0001 << i)) hash_result ^= lo_hash_dword >> i;
671 if (key & (0x00010000 << i)) hash_result ^= hi_hash_dword >> i;
678 atr_compute_perfect_hash_82599(union ixgbe_atr_input *input,
679 enum rte_fdir_pballoc_type pballoc)
681 if (pballoc == RTE_FDIR_PBALLOC_256K)
682 return ixgbe_atr_compute_hash_82599(input,
683 IXGBE_ATR_BUCKET_HASH_KEY) &
684 PERFECT_BUCKET_256KB_HASH_MASK;
685 else if (pballoc == RTE_FDIR_PBALLOC_128K)
686 return ixgbe_atr_compute_hash_82599(input,
687 IXGBE_ATR_BUCKET_HASH_KEY) &
688 PERFECT_BUCKET_128KB_HASH_MASK;
690 return ixgbe_atr_compute_hash_82599(input,
691 IXGBE_ATR_BUCKET_HASH_KEY) &
692 PERFECT_BUCKET_64KB_HASH_MASK;
696 * ixgbe_fdir_check_cmd_complete - poll to check whether FDIRCMD is complete
697 * @hw: pointer to hardware structure
700 ixgbe_fdir_check_cmd_complete(struct ixgbe_hw *hw, uint32_t *fdircmd)
704 for (i = 0; i < IXGBE_FDIRCMD_CMD_POLL; i++) {
705 *fdircmd = IXGBE_READ_REG(hw, IXGBE_FDIRCMD);
706 if (!(*fdircmd & IXGBE_FDIRCMD_CMD_MASK))
708 rte_delay_us(IXGBE_FDIRCMD_CMD_INTERVAL_US);
715 * Calculate the hash value needed for signature-match filters. In the FreeBSD
716 * driver, this is done by the optimised function
717 * ixgbe_atr_compute_sig_hash_82599(). However that can't be used here as it
718 * doesn't support calculating a hash for an IPv6 filter.
721 atr_compute_sig_hash_82599(union ixgbe_atr_input *input,
722 enum rte_fdir_pballoc_type pballoc)
724 uint32_t bucket_hash, sig_hash;
726 if (pballoc == RTE_FDIR_PBALLOC_256K)
727 bucket_hash = ixgbe_atr_compute_hash_82599(input,
728 IXGBE_ATR_BUCKET_HASH_KEY) &
729 SIG_BUCKET_256KB_HASH_MASK;
730 else if (pballoc == RTE_FDIR_PBALLOC_128K)
731 bucket_hash = ixgbe_atr_compute_hash_82599(input,
732 IXGBE_ATR_BUCKET_HASH_KEY) &
733 SIG_BUCKET_128KB_HASH_MASK;
735 bucket_hash = ixgbe_atr_compute_hash_82599(input,
736 IXGBE_ATR_BUCKET_HASH_KEY) &
737 SIG_BUCKET_64KB_HASH_MASK;
739 sig_hash = ixgbe_atr_compute_hash_82599(input,
740 IXGBE_ATR_SIGNATURE_HASH_KEY);
742 return (sig_hash << IXGBE_FDIRHASH_SIG_SW_INDEX_SHIFT) | bucket_hash;
746 * This is based on ixgbe_fdir_write_perfect_filter_82599() in
747 * base/ixgbe_82599.c, with the ability to set extra flags in FDIRCMD register
748 * added, and IPv6 support also added. The hash value is also pre-calculated
749 * as the pballoc value is needed to do it.
752 fdir_write_perfect_filter_82599(struct ixgbe_hw *hw,
753 union ixgbe_atr_input *input, uint8_t queue,
754 uint32_t fdircmd, uint32_t fdirhash)
756 uint32_t fdirport, fdirvlan;
759 /* record the IPv4 address (big-endian) */
760 IXGBE_WRITE_REG(hw, IXGBE_FDIRIPSA, input->formatted.src_ip[0]);
761 IXGBE_WRITE_REG(hw, IXGBE_FDIRIPDA, input->formatted.dst_ip[0]);
763 /* record source and destination port (little-endian)*/
764 fdirport = IXGBE_NTOHS(input->formatted.dst_port);
765 fdirport <<= IXGBE_FDIRPORT_DESTINATION_SHIFT;
766 fdirport |= IXGBE_NTOHS(input->formatted.src_port);
767 IXGBE_WRITE_REG(hw, IXGBE_FDIRPORT, fdirport);
769 /* record vlan (little-endian) and flex_bytes(big-endian) */
770 fdirvlan = input->formatted.flex_bytes;
771 fdirvlan <<= IXGBE_FDIRVLAN_FLEX_SHIFT;
772 fdirvlan |= IXGBE_NTOHS(input->formatted.vlan_id);
773 IXGBE_WRITE_REG(hw, IXGBE_FDIRVLAN, fdirvlan);
775 /* configure FDIRHASH register */
776 IXGBE_WRITE_REG(hw, IXGBE_FDIRHASH, fdirhash);
779 * flush all previous writes to make certain registers are
780 * programmed prior to issuing the command
782 IXGBE_WRITE_FLUSH(hw);
784 /* configure FDIRCMD register */
785 fdircmd |= IXGBE_FDIRCMD_CMD_ADD_FLOW |
786 IXGBE_FDIRCMD_LAST | IXGBE_FDIRCMD_QUEUE_EN;
787 fdircmd |= input->formatted.flow_type << IXGBE_FDIRCMD_FLOW_TYPE_SHIFT;
788 fdircmd |= (uint32_t)queue << IXGBE_FDIRCMD_RX_QUEUE_SHIFT;
789 fdircmd |= (uint32_t)input->formatted.vm_pool << IXGBE_FDIRCMD_VT_POOL_SHIFT;
791 IXGBE_WRITE_REG(hw, IXGBE_FDIRCMD, fdircmd);
793 PMD_DRV_LOG(DEBUG, "Rx Queue=%x hash=%x", queue, fdirhash);
795 err = ixgbe_fdir_check_cmd_complete(hw, &fdircmd);
797 PMD_DRV_LOG(ERR, "Timeout writing flow director filter.");
803 * This function is based on ixgbe_atr_add_signature_filter_82599() in
804 * base/ixgbe_82599.c, but uses a pre-calculated hash value. It also supports
805 * setting extra fields in the FDIRCMD register, and removes the code that was
806 * verifying the flow_type field. According to the documentation, a flow type of
807 * 00 (i.e. not TCP, UDP, or SCTP) is not supported, however it appears to
810 * Adds a signature hash filter
811 * @hw: pointer to hardware structure
812 * @input: unique input dword
813 * @queue: queue index to direct traffic to
814 * @fdircmd: any extra flags to set in fdircmd register
815 * @fdirhash: pre-calculated hash value for the filter
818 fdir_add_signature_filter_82599(struct ixgbe_hw *hw,
819 union ixgbe_atr_input *input, u8 queue, uint32_t fdircmd,
824 PMD_INIT_FUNC_TRACE();
826 /* configure FDIRCMD register */
827 fdircmd |= IXGBE_FDIRCMD_CMD_ADD_FLOW |
828 IXGBE_FDIRCMD_LAST | IXGBE_FDIRCMD_QUEUE_EN;
829 fdircmd |= input->formatted.flow_type << IXGBE_FDIRCMD_FLOW_TYPE_SHIFT;
830 fdircmd |= (uint32_t)queue << IXGBE_FDIRCMD_RX_QUEUE_SHIFT;
832 IXGBE_WRITE_REG(hw, IXGBE_FDIRHASH, fdirhash);
833 IXGBE_WRITE_REG(hw, IXGBE_FDIRCMD, fdircmd);
835 PMD_DRV_LOG(DEBUG, "Rx Queue=%x hash=%x", queue, fdirhash);
837 err = ixgbe_fdir_check_cmd_complete(hw, &fdircmd);
839 PMD_DRV_LOG(ERR, "Timeout writing flow director filter.");
845 * This is based on ixgbe_fdir_erase_perfect_filter_82599() in
846 * base/ixgbe_82599.c. It is modified to take in the hash as a parameter so
847 * that it can be used for removing signature and perfect filters.
850 fdir_erase_filter_82599(struct ixgbe_hw *hw, uint32_t fdirhash)
852 uint32_t fdircmd = 0;
855 IXGBE_WRITE_REG(hw, IXGBE_FDIRHASH, fdirhash);
857 /* flush hash to HW */
858 IXGBE_WRITE_FLUSH(hw);
860 /* Query if filter is present */
861 IXGBE_WRITE_REG(hw, IXGBE_FDIRCMD, IXGBE_FDIRCMD_CMD_QUERY_REM_FILT);
863 err = ixgbe_fdir_check_cmd_complete(hw, &fdircmd);
865 PMD_INIT_LOG(ERR, "Timeout querying for flow director filter.");
869 /* if filter exists in hardware then remove it */
870 if (fdircmd & IXGBE_FDIRCMD_FILTER_VALID) {
871 IXGBE_WRITE_REG(hw, IXGBE_FDIRHASH, fdirhash);
872 IXGBE_WRITE_FLUSH(hw);
873 IXGBE_WRITE_REG(hw, IXGBE_FDIRCMD,
874 IXGBE_FDIRCMD_CMD_REMOVE_FLOW);
876 err = ixgbe_fdir_check_cmd_complete(hw, &fdircmd);
878 PMD_INIT_LOG(ERR, "Timeout erasing flow director filter.");
884 * ixgbe_add_del_fdir_filter - add or remove a flow diretor filter.
885 * @dev: pointer to the structure rte_eth_dev
886 * @fdir_filter: fdir filter entry
887 * @del: 1 - delete, 0 - add
888 * @update: 1 - update
891 ixgbe_add_del_fdir_filter(struct rte_eth_dev *dev,
892 const struct rte_eth_fdir_filter *fdir_filter,
896 struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
897 uint32_t fdircmd_flags;
899 union ixgbe_atr_input input;
901 bool is_perfect = FALSE;
903 struct ixgbe_hw_fdir_info *info =
904 IXGBE_DEV_PRIVATE_TO_FDIR_INFO(dev->data->dev_private);
906 if (dev->data->dev_conf.fdir_conf.mode == RTE_FDIR_MODE_NONE)
910 * Sanity check for x550.
911 * When adding a new filter with flow type set to IPv4-other,
912 * the flow director mask should be configed before,
913 * and the L4 protocol and ports are masked.
916 (hw->mac.type == ixgbe_mac_X550 ||
917 hw->mac.type == ixgbe_mac_X550EM_x) &&
918 (fdir_filter->input.flow_type ==
919 RTE_ETH_FLOW_NONFRAG_IPV4_OTHER) &&
920 (info->mask.src_port_mask != 0 ||
921 info->mask.dst_port_mask != 0)) {
922 PMD_DRV_LOG(ERR, "By this device,"
923 " IPv4-other is not supported without"
924 " L4 protocol and ports masked!");
928 if (dev->data->dev_conf.fdir_conf.mode == RTE_FDIR_MODE_PERFECT)
931 memset(&input, 0, sizeof(input));
933 err = ixgbe_fdir_filter_to_atr_input(fdir_filter, &input);
938 if (input.formatted.flow_type & IXGBE_ATR_L4TYPE_IPV6_MASK) {
939 PMD_DRV_LOG(ERR, "IPv6 is not supported in"
943 fdirhash = atr_compute_perfect_hash_82599(&input,
944 dev->data->dev_conf.fdir_conf.pballoc);
945 fdirhash |= fdir_filter->soft_id <<
946 IXGBE_FDIRHASH_SIG_SW_INDEX_SHIFT;
948 fdirhash = atr_compute_sig_hash_82599(&input,
949 dev->data->dev_conf.fdir_conf.pballoc);
952 err = fdir_erase_filter_82599(hw, fdirhash);
954 PMD_DRV_LOG(ERR, "Fail to delete FDIR filter!");
956 PMD_DRV_LOG(DEBUG, "Success to delete FDIR filter!");
959 /* add or update an fdir filter*/
960 fdircmd_flags = (update) ? IXGBE_FDIRCMD_FILTER_UPDATE : 0;
961 if (fdir_filter->action.behavior == RTE_ETH_FDIR_REJECT) {
963 queue = dev->data->dev_conf.fdir_conf.drop_queue;
964 fdircmd_flags |= IXGBE_FDIRCMD_DROP;
966 PMD_DRV_LOG(ERR, "Drop option is not supported in"
970 } else if (fdir_filter->action.rx_queue < IXGBE_MAX_RX_QUEUE_NUM)
971 queue = (uint8_t)fdir_filter->action.rx_queue;
976 err = fdir_write_perfect_filter_82599(hw, &input, queue,
977 fdircmd_flags, fdirhash);
979 err = fdir_add_signature_filter_82599(hw, &input, queue,
980 fdircmd_flags, fdirhash);
983 PMD_DRV_LOG(ERR, "Fail to add FDIR filter!");
985 PMD_DRV_LOG(DEBUG, "Success to add FDIR filter");
991 ixgbe_fdir_flush(struct rte_eth_dev *dev)
993 struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
994 struct ixgbe_hw_fdir_info *info =
995 IXGBE_DEV_PRIVATE_TO_FDIR_INFO(dev->data->dev_private);
998 ret = ixgbe_reinit_fdir_tables_82599(hw);
1000 PMD_INIT_LOG(ERR, "Failed to re-initialize FD table.");
1012 #define FDIRENTRIES_NUM_SHIFT 10
1014 ixgbe_fdir_info_get(struct rte_eth_dev *dev, struct rte_eth_fdir_info *fdir_info)
1016 struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1017 struct ixgbe_hw_fdir_info *info =
1018 IXGBE_DEV_PRIVATE_TO_FDIR_INFO(dev->data->dev_private);
1019 uint32_t fdirctrl, max_num;
1022 fdirctrl = IXGBE_READ_REG(hw, IXGBE_FDIRCTRL);
1023 offset = ((fdirctrl & IXGBE_FDIRCTRL_FLEX_MASK) >>
1024 IXGBE_FDIRCTRL_FLEX_SHIFT) * sizeof(uint16_t);
1026 fdir_info->mode = dev->data->dev_conf.fdir_conf.mode;
1027 max_num = (1 << (FDIRENTRIES_NUM_SHIFT +
1028 (fdirctrl & FDIRCTRL_PBALLOC_MASK)));
1029 if (fdir_info->mode == RTE_FDIR_MODE_PERFECT)
1030 fdir_info->guarant_spc = max_num;
1031 else if (fdir_info->mode == RTE_FDIR_MODE_SIGNATURE)
1032 fdir_info->guarant_spc = max_num * 4;
1034 fdir_info->mask.vlan_tci_mask = info->mask.vlan_tci_mask;
1035 fdir_info->mask.ipv4_mask.src_ip = info->mask.src_ipv4_mask;
1036 fdir_info->mask.ipv4_mask.dst_ip = info->mask.dst_ipv4_mask;
1037 IPV6_MASK_TO_ADDR(info->mask.src_ipv6_mask,
1038 fdir_info->mask.ipv6_mask.src_ip);
1039 IPV6_MASK_TO_ADDR(info->mask.dst_ipv6_mask,
1040 fdir_info->mask.ipv6_mask.dst_ip);
1041 fdir_info->mask.src_port_mask = info->mask.src_port_mask;
1042 fdir_info->mask.dst_port_mask = info->mask.dst_port_mask;
1043 fdir_info->max_flexpayload = IXGBE_FDIR_MAX_FLEX_LEN;
1044 fdir_info->flow_types_mask[0] = IXGBE_FDIR_FLOW_TYPES;
1045 fdir_info->flex_payload_unit = sizeof(uint16_t);
1046 fdir_info->max_flex_payload_segment_num = 1;
1047 fdir_info->flex_payload_limit = 62;
1048 fdir_info->flex_conf.nb_payloads = 1;
1049 fdir_info->flex_conf.flex_set[0].type = RTE_ETH_RAW_PAYLOAD;
1050 fdir_info->flex_conf.flex_set[0].src_offset[0] = offset;
1051 fdir_info->flex_conf.flex_set[0].src_offset[1] = offset + 1;
1052 fdir_info->flex_conf.nb_flexmasks = 1;
1053 fdir_info->flex_conf.flex_mask[0].flow_type = RTE_ETH_FLOW_UNKNOWN;
1054 fdir_info->flex_conf.flex_mask[0].mask[0] =
1055 (uint8_t)(info->mask.flex_bytes_mask & 0x00FF);
1056 fdir_info->flex_conf.flex_mask[0].mask[1] =
1057 (uint8_t)((info->mask.flex_bytes_mask & 0xFF00) >> 8);
1061 ixgbe_fdir_stats_get(struct rte_eth_dev *dev, struct rte_eth_fdir_stats *fdir_stats)
1063 struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1064 struct ixgbe_hw_fdir_info *info =
1065 IXGBE_DEV_PRIVATE_TO_FDIR_INFO(dev->data->dev_private);
1066 uint32_t reg, max_num;
1068 /* Get the information from registers */
1069 reg = IXGBE_READ_REG(hw, IXGBE_FDIRFREE);
1070 info->collision = (uint16_t)((reg & IXGBE_FDIRFREE_COLL_MASK) >>
1071 IXGBE_FDIRFREE_COLL_SHIFT);
1072 info->free = (uint16_t)((reg & IXGBE_FDIRFREE_FREE_MASK) >>
1073 IXGBE_FDIRFREE_FREE_SHIFT);
1075 reg = IXGBE_READ_REG(hw, IXGBE_FDIRLEN);
1076 info->maxhash = (uint16_t)((reg & IXGBE_FDIRLEN_MAXHASH_MASK) >>
1077 IXGBE_FDIRLEN_MAXHASH_SHIFT);
1078 info->maxlen = (uint8_t)((reg & IXGBE_FDIRLEN_MAXLEN_MASK) >>
1079 IXGBE_FDIRLEN_MAXLEN_SHIFT);
1081 reg = IXGBE_READ_REG(hw, IXGBE_FDIRUSTAT);
1082 info->remove += (reg & IXGBE_FDIRUSTAT_REMOVE_MASK) >>
1083 IXGBE_FDIRUSTAT_REMOVE_SHIFT;
1084 info->add += (reg & IXGBE_FDIRUSTAT_ADD_MASK) >>
1085 IXGBE_FDIRUSTAT_ADD_SHIFT;
1087 reg = IXGBE_READ_REG(hw, IXGBE_FDIRFSTAT) & 0xFFFF;
1088 info->f_remove += (reg & IXGBE_FDIRFSTAT_FREMOVE_MASK) >>
1089 IXGBE_FDIRFSTAT_FREMOVE_SHIFT;
1090 info->f_add += (reg & IXGBE_FDIRFSTAT_FADD_MASK) >>
1091 IXGBE_FDIRFSTAT_FADD_SHIFT;
1093 /* Copy the new information in the fdir parameter */
1094 fdir_stats->collision = info->collision;
1095 fdir_stats->free = info->free;
1096 fdir_stats->maxhash = info->maxhash;
1097 fdir_stats->maxlen = info->maxlen;
1098 fdir_stats->remove = info->remove;
1099 fdir_stats->add = info->add;
1100 fdir_stats->f_remove = info->f_remove;
1101 fdir_stats->f_add = info->f_add;
1103 reg = IXGBE_READ_REG(hw, IXGBE_FDIRCTRL);
1104 max_num = (1 << (FDIRENTRIES_NUM_SHIFT +
1105 (reg & FDIRCTRL_PBALLOC_MASK)));
1106 if (dev->data->dev_conf.fdir_conf.mode == RTE_FDIR_MODE_PERFECT)
1107 fdir_stats->guarant_cnt = max_num - fdir_stats->free;
1108 else if (dev->data->dev_conf.fdir_conf.mode == RTE_FDIR_MODE_SIGNATURE)
1109 fdir_stats->guarant_cnt = max_num * 4 - fdir_stats->free;
1114 * ixgbe_fdir_ctrl_func - deal with all operations on flow director.
1115 * @dev: pointer to the structure rte_eth_dev
1116 * @filter_op:operation will be taken
1117 * @arg: a pointer to specific structure corresponding to the filter_op
1120 ixgbe_fdir_ctrl_func(struct rte_eth_dev *dev,
1121 enum rte_filter_op filter_op, void *arg)
1123 struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1126 if (hw->mac.type != ixgbe_mac_82599EB &&
1127 hw->mac.type != ixgbe_mac_X540 &&
1128 hw->mac.type != ixgbe_mac_X550 &&
1129 hw->mac.type != ixgbe_mac_X550EM_x)
1132 if (filter_op == RTE_ETH_FILTER_NOP)
1135 if (arg == NULL && filter_op != RTE_ETH_FILTER_FLUSH)
1138 switch (filter_op) {
1139 case RTE_ETH_FILTER_ADD:
1140 ret = ixgbe_add_del_fdir_filter(dev,
1141 (struct rte_eth_fdir_filter *)arg, FALSE, FALSE);
1143 case RTE_ETH_FILTER_UPDATE:
1144 ret = ixgbe_add_del_fdir_filter(dev,
1145 (struct rte_eth_fdir_filter *)arg, FALSE, TRUE);
1147 case RTE_ETH_FILTER_DELETE:
1148 ret = ixgbe_add_del_fdir_filter(dev,
1149 (struct rte_eth_fdir_filter *)arg, TRUE, FALSE);
1151 case RTE_ETH_FILTER_FLUSH:
1152 ret = ixgbe_fdir_flush(dev);
1154 case RTE_ETH_FILTER_INFO:
1155 ixgbe_fdir_info_get(dev, (struct rte_eth_fdir_info *)arg);
1157 case RTE_ETH_FILTER_STATS:
1158 ixgbe_fdir_stats_get(dev, (struct rte_eth_fdir_stats *)arg);
1161 PMD_DRV_LOG(ERR, "unknown operation %u", filter_op);