1 /* SPDX-License-Identifier: BSD-3-Clause */
2 /* Copyright (c) 2021, Intel Corporation
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
8 * 1. Redistributions of source code must retain the above copyright notice,
9 * this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the Intel Corporation nor the names of its
16 * contributors may be used to endorse or promote products derived from
17 * this software without specific prior written permission.
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
20 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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29 * POSSIBILITY OF SUCH DAMAGE.
35 * @brief header for generic device and sysctl functions
37 * Contains definitions and function declarations for the ice_lib.c file. It
38 * does not depend on the iflib networking stack.
44 #include <sys/types.h>
47 #include <sys/socket.h>
49 #include <sys/sysctl.h>
50 #include <sys/syslog.h>
51 #include <sys/module.h>
55 #include <net/if_var.h>
56 #include <net/if_media.h>
57 #include <net/ethernet.h>
59 #include <sys/bitstring.h>
63 #include "ice_common.h"
65 #include "ice_sched.h"
66 #include "ice_resmgr.h"
68 #include "ice_rdma_internal.h"
72 /* Hide debug sysctls unless INVARIANTS is enabled */
74 #define ICE_CTLFLAG_DEBUG 0
76 #define ICE_CTLFLAG_DEBUG CTLFLAG_SKIP
80 * for_each_set_bit - For loop over each set bit in a bit string
81 * @bit: storage for the bit index
82 * @data: address of data block to loop over
83 * @nbits: maximum number of bits to loop over
85 * macro to create a for loop over a bit string, which runs the body once for
86 * each bit that is set in the string. The bit variable will be set to the
87 * index of each set bit in the string, with zero representing the first bit.
89 #define for_each_set_bit(bit, data, nbits) \
90 for (bit_ffs((bitstr_t *)(data), (nbits), &(bit)); \
92 bit_ffs_at((bitstr_t *)(data), (bit) + 1, (nbits), &(bit)))
96 * @brief broadcast MAC address
98 * constant defining the broadcast MAC address, used for programming the
99 * broadcast address as a MAC filter for the PF VSI.
101 static const u8 broadcastaddr[ETHER_ADDR_LEN] = {
102 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
105 MALLOC_DECLARE(M_ICE);
107 extern const char ice_driver_version[];
108 extern const uint8_t ice_major_version;
109 extern const uint8_t ice_minor_version;
110 extern const uint8_t ice_patch_version;
111 extern const uint8_t ice_rc_version;
113 /* global sysctl indicating whether the Tx FC filter should be enabled */
114 extern bool ice_enable_tx_fc_filter;
116 /* global sysctl indicating whether the Tx LLDP filter should be enabled */
117 extern bool ice_enable_tx_lldp_filter;
119 /* global sysctl indicating whether FW health status events should be enabled */
120 extern bool ice_enable_health_events;
123 * @struct ice_bar_info
124 * @brief PCI BAR mapping information
126 * Contains data about a PCI BAR that the driver has mapped for use.
128 struct ice_bar_info {
129 struct resource *res;
131 bus_space_handle_t handle;
136 /* Alignment for queues */
137 #define DBA_ALIGN 128
139 /* Maximum TSO size is (256K)-1 */
140 #define ICE_TSO_SIZE ((256*1024) - 1)
142 /* Minimum size for TSO MSS */
143 #define ICE_MIN_TSO_MSS 64
145 #define ICE_MAX_TX_SEGS 8
146 #define ICE_MAX_TSO_SEGS 128
148 #define ICE_MAX_DMA_SEG_SIZE ((16*1024) - 1)
150 #define ICE_MAX_RX_SEGS 5
152 #define ICE_MAX_TSO_HDR_SEGS 3
154 #define ICE_MSIX_BAR 3
156 #define ICE_MAX_DCB_TCS 8
158 #define ICE_DEFAULT_DESC_COUNT 1024
159 #define ICE_MAX_DESC_COUNT 8160
160 #define ICE_MIN_DESC_COUNT 64
161 #define ICE_DESC_COUNT_INCR 32
163 /* List of hardware offloads we support */
164 #define ICE_CSUM_OFFLOAD (CSUM_IP | CSUM_IP_TCP | CSUM_IP_UDP | CSUM_IP_SCTP | \
165 CSUM_IP6_TCP| CSUM_IP6_UDP | CSUM_IP6_SCTP | \
166 CSUM_IP_TSO | CSUM_IP6_TSO)
168 /* Macros to decide what kind of hardware offload to enable */
169 #define ICE_CSUM_TCP (CSUM_IP_TCP|CSUM_IP_TSO|CSUM_IP6_TSO|CSUM_IP6_TCP)
170 #define ICE_CSUM_UDP (CSUM_IP_UDP|CSUM_IP6_UDP)
171 #define ICE_CSUM_SCTP (CSUM_IP_SCTP|CSUM_IP6_SCTP)
172 #define ICE_CSUM_IP (CSUM_IP|CSUM_IP_TSO)
174 /* List of known RX CSUM offload flags */
175 #define ICE_RX_CSUM_FLAGS (CSUM_L3_CALC | CSUM_L3_VALID | CSUM_L4_CALC | \
176 CSUM_L4_VALID | CSUM_L5_CALC | CSUM_L5_VALID | \
179 /* List of interface capabilities supported by ice hardware */
180 #define ICE_FULL_CAPS \
181 (IFCAP_TSO4 | IFCAP_TSO6 | \
182 IFCAP_TXCSUM | IFCAP_TXCSUM_IPV6 | \
183 IFCAP_RXCSUM | IFCAP_RXCSUM_IPV6 | \
184 IFCAP_VLAN_HWFILTER | IFCAP_VLAN_HWTSO | \
185 IFCAP_VLAN_HWTAGGING | IFCAP_VLAN_HWCSUM | IFCAP_VLAN_HWTSO | \
186 IFCAP_VLAN_MTU | IFCAP_JUMBO_MTU | IFCAP_LRO)
188 /* Safe mode disables support for hardware checksums and TSO */
189 #define ICE_SAFE_CAPS \
190 (ICE_FULL_CAPS & ~(IFCAP_HWCSUM | IFCAP_TSO | \
191 IFCAP_VLAN_HWTSO | IFCAP_VLAN_HWCSUM))
193 #define ICE_CAPS(sc) \
194 (ice_is_bit_set(sc->feat_en, ICE_FEATURE_SAFE_MODE) ? ICE_SAFE_CAPS : ICE_FULL_CAPS)
198 * @brief Private ioctl command number for NVM access ioctls
200 * The ioctl command number used by NVM update for accessing the driver for
201 * NVM access commands.
203 #define ICE_NVM_ACCESS \
204 (((((((('E' << 4) + '1') << 4) + 'K') << 4) + 'G') << 4) | 5)
206 #define ICE_AQ_LEN 1023
207 #define ICE_MBXQ_LEN 512
208 #define ICE_SBQ_LEN 512
210 #define ICE_CTRLQ_WORK_LIMIT 256
212 #define ICE_DFLT_TRAFFIC_CLASS BIT(0)
214 /* wait up to 50 microseconds for queue state change */
215 #define ICE_Q_WAIT_RETRY_LIMIT 5
217 #define ICE_UP_TABLE_TRANSLATE(val, i) \
218 (((val) << ICE_AQ_VSI_UP_TABLE_UP##i##_S) & \
219 ICE_AQ_VSI_UP_TABLE_UP##i##_M)
222 * For now, set this to the hardware maximum. Each function gets a smaller
223 * number assigned to it in hw->func_caps.guar_num_vsi, though there
224 * appears to be no guarantee that is the maximum number that a function
227 #define ICE_MAX_VSI_AVAILABLE 768
229 /* Maximum size of a single frame (for Tx and Rx) */
230 #define ICE_MAX_FRAME_SIZE ICE_AQ_SET_MAC_FRAME_SIZE_MAX
232 /* Maximum MTU size */
233 #define ICE_MAX_MTU (ICE_MAX_FRAME_SIZE - \
234 ETHER_HDR_LEN - ETHER_CRC_LEN - ETHER_VLAN_ENCAP_LEN)
237 * Hardware requires that TSO packets have an segment size of at least 64
238 * bytes. To avoid sending bad frames to the hardware, the driver forces the
239 * MSS for all TSO packets to have a segment size of at least 64 bytes.
241 * However, if the MTU is reduced below a certain size, then the resulting
242 * larger MSS can result in transmitting segmented frames with a packet size
243 * larger than the MTU.
245 * Avoid this by preventing the MTU from being lowered below this limit.
246 * Alternative solutions require changing the TCP stack to disable offloading
247 * the segmentation when the requested segment size goes below 64 bytes.
249 #define ICE_MIN_MTU 112
251 #define ICE_DEFAULT_VF_QUEUES 4
254 * The maximum number of RX queues allowed per TC in a VSI.
256 #define ICE_MAX_RXQS_PER_TC 256
259 * There are three settings that can be updated independently or
260 * altogether: Link speed, FEC, and Flow Control. These macros allow
261 * the caller to specify which setting(s) to update.
263 #define ICE_APPLY_LS BIT(0)
264 #define ICE_APPLY_FEC BIT(1)
265 #define ICE_APPLY_FC BIT(2)
266 #define ICE_APPLY_LS_FEC (ICE_APPLY_LS | ICE_APPLY_FEC)
267 #define ICE_APPLY_LS_FC (ICE_APPLY_LS | ICE_APPLY_FC)
268 #define ICE_APPLY_FEC_FC (ICE_APPLY_FEC | ICE_APPLY_FC)
269 #define ICE_APPLY_LS_FEC_FC (ICE_APPLY_LS_FEC | ICE_APPLY_FC)
272 * @enum ice_dyn_idx_t
273 * @brief Dynamic Control ITR indexes
275 * This enum matches hardware bits and is meant to be used by DYN_CTLN
276 * registers and QINT registers or more generally anywhere in the manual
277 * mentioning ITR_INDX, ITR_NONE cannot be used as an index 'n' into any
278 * register but instead is a special value meaning "don't update" ITR0/1/2.
284 ICE_ITR_NONE = 3 /* ITR_NONE must not be used as an index */
287 /* By convenction ITR0 is used for RX, and ITR1 is used for TX */
288 #define ICE_RX_ITR ICE_IDX_ITR0
289 #define ICE_TX_ITR ICE_IDX_ITR1
291 #define ICE_ITR_MAX 8160
293 /* Define the default Tx and Rx ITR as 50us (translates to ~20k int/sec max) */
294 #define ICE_DFLT_TX_ITR 50
295 #define ICE_DFLT_RX_ITR 50
298 * ice_itr_to_reg - Convert an ITR setting into its register equivalent
299 * @hw: The device HW structure
300 * @itr_setting: the ITR setting to convert
302 * Based on the hardware ITR granularity, convert an ITR setting into the
303 * correct value to prepare programming to the HW.
305 static inline u16 ice_itr_to_reg(struct ice_hw *hw, u16 itr_setting)
307 return itr_setting / hw->itr_gran;
312 * @brief DTYPE header split options
314 * This enum matches the Rx context bits to define whether header split is
318 ICE_RX_DTYPE_NO_SPLIT = 0,
319 ICE_RX_DTYPE_HEADER_SPLIT = 1,
320 ICE_RX_DTYPE_SPLIT_ALWAYS = 2,
323 /* Strings used for displaying FEC mode
325 * Use ice_fec_str() to get these unless these need to be embedded in a
328 #define ICE_FEC_STRING_AUTO "Auto"
329 #define ICE_FEC_STRING_RS "RS-FEC"
330 #define ICE_FEC_STRING_BASER "FC-FEC/BASE-R"
331 #define ICE_FEC_STRING_NONE "None"
333 /* Strings used for displaying Flow Control mode
335 * Use ice_fc_str() to get these unless these need to be embedded in a
338 #define ICE_FC_STRING_FULL "Full"
339 #define ICE_FC_STRING_TX "Tx"
340 #define ICE_FC_STRING_RX "Rx"
341 #define ICE_FC_STRING_NONE "None"
344 * The number of times the ice_handle_i2c_req function will retry reading
345 * I2C data via the Admin Queue before returning EBUSY.
347 #define ICE_I2C_MAX_RETRIES 10
350 * The Start LLDP Agent AQ command will fail if it's sent too soon after
351 * the LLDP agent is stopped. The period between the stop and start
352 * commands must currently be at least 2 seconds.
354 #define ICE_START_LLDP_RETRY_WAIT (2 * hz)
357 * The ice_(set|clear)_vsi_promisc() function expects a mask of promiscuous
358 * modes to operate on. This mask is the default one for the driver, where
359 * promiscuous is enabled/disabled for all types of non-VLAN-tagged/VLAN 0
362 #define ICE_VSI_PROMISC_MASK (ICE_PROMISC_UCAST_TX | \
363 ICE_PROMISC_UCAST_RX | \
364 ICE_PROMISC_MCAST_TX | \
365 ICE_PROMISC_MCAST_RX)
370 * @enum ice_rx_cso_stat
371 * @brief software checksum offload statistics
373 * Enumeration of possible checksum offload statistics captured by software
374 * during the Rx path.
376 enum ice_rx_cso_stat {
377 ICE_CSO_STAT_RX_IP4_ERR,
378 ICE_CSO_STAT_RX_IP6_ERR,
379 ICE_CSO_STAT_RX_L3_ERR,
380 ICE_CSO_STAT_RX_TCP_ERR,
381 ICE_CSO_STAT_RX_UDP_ERR,
382 ICE_CSO_STAT_RX_SCTP_ERR,
383 ICE_CSO_STAT_RX_L4_ERR,
384 ICE_CSO_STAT_RX_COUNT
388 * @enum ice_tx_cso_stat
389 * @brief software checksum offload statistics
391 * Enumeration of possible checksum offload statistics captured by software
392 * during the Tx path.
394 enum ice_tx_cso_stat {
397 ICE_CSO_STAT_TX_SCTP,
400 ICE_CSO_STAT_TX_L3_ERR,
401 ICE_CSO_STAT_TX_L4_ERR,
402 ICE_CSO_STAT_TX_COUNT
407 * @brief software Tx statistics
409 * Contains software counted Tx statistics for a single queue
416 u64 cso[ICE_CSO_STAT_TX_COUNT];
421 * @brief software Rx statistics
423 * Contains software counted Rx statistics for a single queue
430 u64 cso[ICE_CSO_STAT_RX_COUNT];
434 * @struct ice_vsi_hw_stats
435 * @brief hardware statistics for a VSI
437 * Stores statistics that are generated by hardware for a VSI.
439 struct ice_vsi_hw_stats {
440 struct ice_eth_stats prev;
441 struct ice_eth_stats cur;
446 * @struct ice_pf_hw_stats
447 * @brief hardware statistics for a PF
449 * Stores statistics that are generated by hardware for each PF.
451 struct ice_pf_hw_stats {
452 struct ice_hw_port_stats prev;
453 struct ice_hw_port_stats cur;
458 * @struct ice_pf_sw_stats
459 * @brief software statistics for a PF
461 * Contains software generated statistics relevant to a PF.
463 struct ice_pf_sw_stats {
464 /* # of reset events handled, by type */
470 /* # of detected MDD events for Tx and Rx */
476 * @struct ice_tc_info
477 * @brief Traffic class information for a VSI
479 * Stores traffic class information used in configuring
483 u16 qoffset; /* Offset in VSI queue space */
484 u16 qcount_tx; /* TX queues for this Traffic Class */
485 u16 qcount_rx; /* RX queues */
490 * @brief VSI structure
492 * Contains data relevant to a single VSI
495 /* back pointer to the softc */
496 struct ice_softc *sc;
498 bool dynamic; /* if true, dynamically allocated */
500 enum ice_vsi_type type; /* type of this VSI */
501 u16 idx; /* software index to sc->all_vsi[] */
503 u16 *tx_qmap; /* Tx VSI to PF queue mapping */
504 u16 *rx_qmap; /* Rx VSI to PF queue mapping */
506 bitstr_t *vmap; /* Vector(s) assigned to VSI */
508 enum ice_resmgr_alloc_type qmap_type;
510 struct ice_tx_queue *tx_queues; /* Tx queue array */
511 struct ice_rx_queue *rx_queues; /* Rx queue array */
520 /* RSS configuration */
521 u16 rss_table_size; /* HW RSS table size */
522 u8 rss_lut_type; /* Used to configure Get/Set RSS LUT AQ call */
527 struct ice_aqc_vsi_props info;
529 /* DCB configuration */
530 u8 num_tcs; /* Total number of enabled TCs */
531 u16 tc_map; /* bitmap of enabled Traffic Classes */
532 /* Information for each traffic class */
533 struct ice_tc_info tc_info[ICE_MAX_TRAFFIC_CLASS];
535 /* context for per-VSI sysctls */
536 struct sysctl_ctx_list ctx;
537 struct sysctl_oid *vsi_node;
539 /* context for per-txq sysctls */
540 struct sysctl_ctx_list txqs_ctx;
541 struct sysctl_oid *txqs_node;
543 /* context for per-rxq sysctls */
544 struct sysctl_ctx_list rxqs_ctx;
545 struct sysctl_oid *rxqs_node;
547 /* VSI-level stats */
548 struct ice_vsi_hw_stats hw_stats;
553 * @brief Driver state flags
555 * Used to indicate the status of various driver events. Intended to be
556 * modified only using atomic operations, so that we can use it even in places
557 * which aren't locked.
560 ICE_STATE_CONTROLQ_EVENT_PENDING,
561 ICE_STATE_VFLR_PENDING,
562 ICE_STATE_MDD_PENDING,
563 ICE_STATE_RESET_OICR_RECV,
564 ICE_STATE_RESET_PFR_REQ,
565 ICE_STATE_PREPARED_FOR_RESET,
566 ICE_STATE_RESET_FAILED,
567 ICE_STATE_DRIVER_INITIALIZED,
569 ICE_STATE_RECOVERY_MODE,
570 ICE_STATE_ROLLBACK_MODE,
571 ICE_STATE_LINK_STATUS_REPORTED,
574 ICE_STATE_LINK_DEFAULT_OVERRIDE_PENDING,
575 ICE_STATE_LLDP_RX_FLTR_FROM_DRIVER,
576 ICE_STATE_MULTIPLE_TCS,
577 /* This entry must be last */
581 /* Functions for setting and checking driver state. Note the functions take
582 * bit positions, not bitmasks. The atomic_testandset_32 and
583 * atomic_testandclear_32 operations require bit positions, while the
584 * atomic_set_32 and atomic_clear_32 require bitmasks. This can easily lead to
585 * programming error, so we provide wrapper functions to avoid this.
589 * ice_set_state - Set the specified state
590 * @s: the state bitmap
591 * @bit: the state to set
593 * Atomically update the state bitmap with the specified bit set.
596 ice_set_state(volatile u32 *s, enum ice_state bit)
598 /* atomic_set_32 expects a bitmask */
599 atomic_set_32(s, BIT(bit));
603 * ice_clear_state - Clear the specified state
604 * @s: the state bitmap
605 * @bit: the state to clear
607 * Atomically update the state bitmap with the specified bit cleared.
610 ice_clear_state(volatile u32 *s, enum ice_state bit)
612 /* atomic_clear_32 expects a bitmask */
613 atomic_clear_32(s, BIT(bit));
617 * ice_testandset_state - Test and set the specified state
618 * @s: the state bitmap
619 * @bit: the bit to test
621 * Atomically update the state bitmap, setting the specified bit. Returns the
622 * previous value of the bit.
625 ice_testandset_state(volatile u32 *s, enum ice_state bit)
627 /* atomic_testandset_32 expects a bit position */
628 return atomic_testandset_32(s, bit);
632 * ice_testandclear_state - Test and clear the specified state
633 * @s: the state bitmap
634 * @bit: the bit to test
636 * Atomically update the state bitmap, clearing the specified bit. Returns the
637 * previous value of the bit.
640 ice_testandclear_state(volatile u32 *s, enum ice_state bit)
642 /* atomic_testandclear_32 expects a bit position */
643 return atomic_testandclear_32(s, bit);
647 * ice_test_state - Test the specified state
648 * @s: the state bitmap
649 * @bit: the bit to test
651 * Return true if the state is set, false otherwise. Use this only if the flow
652 * does not need to update the state. If you must update the state as well,
653 * prefer ice_testandset_state or ice_testandclear_state.
656 ice_test_state(volatile u32 *s, enum ice_state bit)
658 return (*s & BIT(bit)) ? true : false;
662 * @struct ice_str_buf
663 * @brief static length buffer for string returning
665 * Structure containing a fixed size string buffer, used to implement
666 * numeric->string conversion functions that may want to return non-constant
669 * This allows returning a fixed size string that is generated by a conversion
670 * function, and then copied to the used location without needing to use an
671 * explicit local variable passed by reference.
674 char str[ICE_STR_BUF_LEN];
677 struct ice_str_buf _ice_aq_str(enum ice_aq_err aq_err);
678 struct ice_str_buf _ice_status_str(enum ice_status status);
679 struct ice_str_buf _ice_err_str(int err);
680 struct ice_str_buf _ice_fltr_flag_str(u16 flag);
681 struct ice_str_buf _ice_log_sev_str(u8 log_level);
682 struct ice_str_buf _ice_mdd_tx_tclan_str(u8 event);
683 struct ice_str_buf _ice_mdd_tx_pqm_str(u8 event);
684 struct ice_str_buf _ice_mdd_rx_str(u8 event);
685 struct ice_str_buf _ice_fw_lldp_status(u32 lldp_status);
687 #define ice_aq_str(err) _ice_aq_str(err).str
688 #define ice_status_str(err) _ice_status_str(err).str
689 #define ice_err_str(err) _ice_err_str(err).str
690 #define ice_fltr_flag_str(flag) _ice_fltr_flag_str(flag).str
692 #define ice_mdd_tx_tclan_str(event) _ice_mdd_tx_tclan_str(event).str
693 #define ice_mdd_tx_pqm_str(event) _ice_mdd_tx_pqm_str(event).str
694 #define ice_mdd_rx_str(event) _ice_mdd_rx_str(event).str
696 #define ice_log_sev_str(log_level) _ice_log_sev_str(log_level).str
697 #define ice_fw_lldp_status(lldp_status) _ice_fw_lldp_status(lldp_status).str
700 * ice_enable_intr - Enable interrupts for given vector
701 * @hw: the device private HW structure
702 * @vector: the interrupt index in PF space
704 * In MSI or Legacy interrupt mode, interrupt 0 is the only valid index.
707 ice_enable_intr(struct ice_hw *hw, int vector)
711 /* Use ITR_NONE so that ITR configuration is not changed. */
712 dyn_ctl = GLINT_DYN_CTL_INTENA_M | GLINT_DYN_CTL_CLEARPBA_M |
713 (ICE_ITR_NONE << GLINT_DYN_CTL_ITR_INDX_S);
714 wr32(hw, GLINT_DYN_CTL(vector), dyn_ctl);
718 * ice_disable_intr - Disable interrupts for given vector
719 * @hw: the device private HW structure
720 * @vector: the interrupt index in PF space
722 * In MSI or Legacy interrupt mode, interrupt 0 is the only valid index.
725 ice_disable_intr(struct ice_hw *hw, int vector)
729 /* Use ITR_NONE so that ITR configuration is not changed. */
730 dyn_ctl = ICE_ITR_NONE << GLINT_DYN_CTL_ITR_INDX_S;
731 wr32(hw, GLINT_DYN_CTL(vector), dyn_ctl);
735 * ice_is_tx_desc_done - determine if a Tx descriptor is done
736 * @txd: the Tx descriptor to check
738 * Returns true if hardware is done with a Tx descriptor and software is
739 * capable of re-using it.
742 ice_is_tx_desc_done(struct ice_tx_desc *txd)
744 return (((txd->cmd_type_offset_bsz & ICE_TXD_QW1_DTYPE_M)
745 >> ICE_TXD_QW1_DTYPE_S) == ICE_TX_DESC_DTYPE_DESC_DONE);
749 * ice_get_pf_id - Get the PF id from the hardware registers
750 * @hw: the ice hardware structure
752 * Reads the PF_FUNC_RID register and extracts the function number from it.
753 * Intended to be used in cases where hw->pf_id hasn't yet been assigned by
756 * @pre this function should be called only after PCI register access has been
757 * setup, and prior to ice_init_hw. After hardware has been initialized, the
758 * cached hw->pf_id value can be used.
761 ice_get_pf_id(struct ice_hw *hw)
763 return (u8)((rd32(hw, PF_FUNC_RID) & PF_FUNC_RID_FUNCTION_NUMBER_M) >>
764 PF_FUNC_RID_FUNCTION_NUMBER_S);
767 /* Details of how to re-initialize depend on the networking stack */
768 void ice_request_stack_reinit(struct ice_softc *sc);
770 /* Details of how to check if the network stack is detaching us */
771 bool ice_driver_is_detaching(struct ice_softc *sc);
773 const char * ice_fw_module_str(enum ice_aqc_fw_logging_mod module);
774 void ice_add_fw_logging_tunables(struct ice_softc *sc,
775 struct sysctl_oid *parent);
776 void ice_handle_fw_log_event(struct ice_softc *sc, struct ice_aq_desc *desc,
779 int ice_process_ctrlq(struct ice_softc *sc, enum ice_ctl_q q_type, u16 *pending);
780 int ice_map_bar(device_t dev, struct ice_bar_info *bar, int bar_num);
781 void ice_free_bar(device_t dev, struct ice_bar_info *bar);
782 void ice_set_ctrlq_len(struct ice_hw *hw);
783 void ice_release_vsi(struct ice_vsi *vsi);
784 struct ice_vsi *ice_alloc_vsi(struct ice_softc *sc, enum ice_vsi_type type);
785 int ice_alloc_vsi_qmap(struct ice_vsi *vsi, const int max_tx_queues,
786 const int max_rx_queues);
787 void ice_free_vsi_qmaps(struct ice_vsi *vsi);
788 int ice_initialize_vsi(struct ice_vsi *vsi);
789 void ice_deinit_vsi(struct ice_vsi *vsi);
790 uint64_t ice_aq_speed_to_rate(struct ice_port_info *pi);
791 int ice_get_phy_type_low(uint64_t phy_type_low);
792 int ice_get_phy_type_high(uint64_t phy_type_high);
793 enum ice_status ice_add_media_types(struct ice_softc *sc, struct ifmedia *media);
794 void ice_configure_rxq_interrupts(struct ice_vsi *vsi);
795 void ice_configure_txq_interrupts(struct ice_vsi *vsi);
796 void ice_flush_rxq_interrupts(struct ice_vsi *vsi);
797 void ice_flush_txq_interrupts(struct ice_vsi *vsi);
798 int ice_cfg_vsi_for_tx(struct ice_vsi *vsi);
799 int ice_cfg_vsi_for_rx(struct ice_vsi *vsi);
800 int ice_control_rx_queues(struct ice_vsi *vsi, bool enable);
801 int ice_cfg_pf_default_mac_filters(struct ice_softc *sc);
802 int ice_rm_pf_default_mac_filters(struct ice_softc *sc);
803 void ice_print_nvm_version(struct ice_softc *sc);
804 void ice_update_vsi_hw_stats(struct ice_vsi *vsi);
805 void ice_reset_vsi_stats(struct ice_vsi *vsi);
806 void ice_update_pf_stats(struct ice_softc *sc);
807 void ice_reset_pf_stats(struct ice_softc *sc);
808 void ice_add_device_sysctls(struct ice_softc *sc);
809 void ice_log_hmc_error(struct ice_hw *hw, device_t dev);
810 void ice_add_sysctls_eth_stats(struct sysctl_ctx_list *ctx,
811 struct sysctl_oid *parent,
812 struct ice_eth_stats *stats);
813 void ice_add_vsi_sysctls(struct ice_vsi *vsi);
814 void ice_add_sysctls_mac_stats(struct sysctl_ctx_list *ctx,
815 struct sysctl_oid *parent,
816 struct ice_hw_port_stats *stats);
817 void ice_configure_misc_interrupts(struct ice_softc *sc);
818 int ice_sync_multicast_filters(struct ice_softc *sc);
819 enum ice_status ice_add_vlan_hw_filter(struct ice_vsi *vsi, u16 vid);
820 enum ice_status ice_remove_vlan_hw_filter(struct ice_vsi *vsi, u16 vid);
821 void ice_add_vsi_tunables(struct ice_vsi *vsi, struct sysctl_oid *parent);
822 void ice_del_vsi_sysctl_ctx(struct ice_vsi *vsi);
823 void ice_add_device_tunables(struct ice_softc *sc);
824 int ice_add_vsi_mac_filter(struct ice_vsi *vsi, const u8 *addr);
825 int ice_remove_vsi_mac_filter(struct ice_vsi *vsi, const u8 *addr);
826 int ice_vsi_disable_tx(struct ice_vsi *vsi);
827 void ice_vsi_add_txqs_ctx(struct ice_vsi *vsi);
828 void ice_vsi_add_rxqs_ctx(struct ice_vsi *vsi);
829 void ice_vsi_del_txqs_ctx(struct ice_vsi *vsi);
830 void ice_vsi_del_rxqs_ctx(struct ice_vsi *vsi);
831 void ice_add_txq_sysctls(struct ice_tx_queue *txq);
832 void ice_add_rxq_sysctls(struct ice_rx_queue *rxq);
833 int ice_config_rss(struct ice_vsi *vsi);
834 void ice_clean_all_vsi_rss_cfg(struct ice_softc *sc);
835 void ice_load_pkg_file(struct ice_softc *sc);
836 void ice_log_pkg_init(struct ice_softc *sc, enum ice_status *pkg_status);
837 uint64_t ice_get_ifnet_counter(struct ice_vsi *vsi, ift_counter counter);
838 void ice_save_pci_info(struct ice_hw *hw, device_t dev);
839 int ice_replay_all_vsi_cfg(struct ice_softc *sc);
840 void ice_link_up_msg(struct ice_softc *sc);
841 int ice_update_laa_mac(struct ice_softc *sc);
842 void ice_get_and_print_bus_info(struct ice_softc *sc);
843 const char *ice_fec_str(enum ice_fec_mode mode);
844 const char *ice_fc_str(enum ice_fc_mode mode);
845 const char *ice_fwd_act_str(enum ice_sw_fwd_act_type action);
846 const char *ice_state_to_str(enum ice_state state);
847 int ice_init_link_events(struct ice_softc *sc);
848 void ice_configure_rx_itr(struct ice_vsi *vsi);
849 void ice_configure_tx_itr(struct ice_vsi *vsi);
850 void ice_setup_pf_vsi(struct ice_softc *sc);
851 void ice_handle_mdd_event(struct ice_softc *sc);
852 void ice_init_dcb_setup(struct ice_softc *sc);
853 int ice_send_version(struct ice_softc *sc);
854 int ice_cfg_pf_ethertype_filters(struct ice_softc *sc);
855 void ice_init_link_configuration(struct ice_softc *sc);
856 void ice_init_saved_phy_cfg(struct ice_softc *sc);
857 int ice_apply_saved_phy_cfg(struct ice_softc *sc, u8 settings);
858 void ice_set_link_management_mode(struct ice_softc *sc);
859 int ice_module_event_handler(module_t mod, int what, void *arg);
860 int ice_handle_nvm_access_ioctl(struct ice_softc *sc, struct ifdrv *ifd);
861 int ice_handle_i2c_req(struct ice_softc *sc, struct ifi2creq *req);
862 int ice_read_sff_eeprom(struct ice_softc *sc, u16 dev_addr, u16 offset, u8* data, u16 length);
863 int ice_alloc_intr_tracking(struct ice_softc *sc);
864 void ice_free_intr_tracking(struct ice_softc *sc);
865 void ice_set_default_local_lldp_mib(struct ice_softc *sc);
866 void ice_init_health_events(struct ice_softc *sc);
867 void ice_cfg_pba_num(struct ice_softc *sc);
869 #endif /* _ICE_LIB_H_ */