1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright (c) 2018, Intel Corporation. */
7 #include <linux/types.h>
8 #include <linux/errno.h>
9 #include <linux/kernel.h>
10 #include <linux/module.h>
11 #include <linux/firmware.h>
12 #include <linux/netdevice.h>
13 #include <linux/compiler.h>
14 #include <linux/etherdevice.h>
15 #include <linux/skbuff.h>
16 #include <linux/cpumask.h>
17 #include <linux/rtnetlink.h>
18 #include <linux/if_vlan.h>
19 #include <linux/dma-mapping.h>
20 #include <linux/pci.h>
21 #include <linux/workqueue.h>
22 #include <linux/wait.h>
23 #include <linux/interrupt.h>
24 #include <linux/ethtool.h>
25 #include <linux/timer.h>
26 #include <linux/delay.h>
27 #include <linux/bitmap.h>
28 #include <linux/log2.h>
30 #include <linux/sctp.h>
31 #include <linux/ipv6.h>
32 #include <linux/pkt_sched.h>
33 #include <linux/if_bridge.h>
34 #include <linux/ctype.h>
35 #include <linux/linkmode.h>
36 #include <linux/bpf.h>
37 #include <linux/btf.h>
38 #include <linux/auxiliary_bus.h>
39 #include <linux/avf/virtchnl.h>
40 #include <linux/cpu_rmap.h>
41 #include <linux/dim.h>
42 #include <linux/gnss.h>
43 #include <net/pkt_cls.h>
44 #include <net/pkt_sched.h>
45 #include <net/tc_act/tc_mirred.h>
46 #include <net/tc_act/tc_gact.h>
48 #include <net/devlink.h>
50 #include <net/xdp_sock.h>
51 #include <net/xdp_sock_drv.h>
52 #include <net/geneve.h>
54 #include <net/udp_tunnel.h>
55 #include <net/vxlan.h>
57 #include <linux/ppp_defs.h>
58 #include "ice_devids.h"
62 #include "ice_switch.h"
63 #include "ice_common.h"
65 #include "ice_sched.h"
66 #include "ice_idc_int.h"
67 #include "ice_sriov.h"
68 #include "ice_vf_mbx.h"
74 #include "ice_eswitch.h"
76 #include "ice_vsi_vlan_ops.h"
82 #define ICE_REQ_DESC_MULTIPLE 32
83 #define ICE_MIN_NUM_DESC 64
84 #define ICE_MAX_NUM_DESC 8160
85 #define ICE_DFLT_MIN_RX_DESC 512
86 #define ICE_DFLT_NUM_TX_DESC 256
87 #define ICE_DFLT_NUM_RX_DESC 2048
89 #define ICE_DFLT_TRAFFIC_CLASS BIT(0)
90 #define ICE_INT_NAME_STR_LEN (IFNAMSIZ + 16)
91 #define ICE_AQ_LEN 192
92 #define ICE_MBXSQ_LEN 64
93 #define ICE_SBQ_LEN 64
94 #define ICE_MIN_LAN_TXRX_MSIX 1
95 #define ICE_MIN_LAN_OICR_MSIX 1
96 #define ICE_MIN_MSIX (ICE_MIN_LAN_TXRX_MSIX + ICE_MIN_LAN_OICR_MSIX)
97 #define ICE_FDIR_MSIX 2
98 #define ICE_RDMA_NUM_AEQ_MSIX 4
99 #define ICE_MIN_RDMA_MSIX 2
100 #define ICE_ESWITCH_MSIX 1
101 #define ICE_NO_VSI 0xffff
102 #define ICE_VSI_MAP_CONTIG 0
103 #define ICE_VSI_MAP_SCATTER 1
104 #define ICE_MAX_SCATTER_TXQS 16
105 #define ICE_MAX_SCATTER_RXQS 16
106 #define ICE_Q_WAIT_RETRY_LIMIT 10
107 #define ICE_Q_WAIT_MAX_RETRY (5 * ICE_Q_WAIT_RETRY_LIMIT)
108 #define ICE_MAX_LG_RSS_QS 256
109 #define ICE_INVAL_Q_INDEX 0xffff
111 #define ICE_MAX_RXQS_PER_TC 256 /* Used when setting VSI context per TC Rx queues */
113 #define ICE_CHNL_START_TC 1
115 #define ICE_MAX_RESET_WAIT 20
117 #define ICE_VSIQF_HKEY_ARRAY_SIZE ((VSIQF_HKEY_MAX_INDEX + 1) * 4)
119 #define ICE_DFLT_NETIF_M (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK)
121 #define ICE_MAX_MTU (ICE_AQ_SET_MAC_FRAME_SIZE_MAX - ICE_ETH_PKT_HDR_PAD)
123 #define ICE_MAX_TSO_SIZE 131072
125 #define ICE_UP_TABLE_TRANSLATE(val, i) \
126 (((val) << ICE_AQ_VSI_UP_TABLE_UP##i##_S) & \
127 ICE_AQ_VSI_UP_TABLE_UP##i##_M)
129 #define ICE_TX_DESC(R, i) (&(((struct ice_tx_desc *)((R)->desc))[i]))
130 #define ICE_RX_DESC(R, i) (&(((union ice_32b_rx_flex_desc *)((R)->desc))[i]))
131 #define ICE_TX_CTX_DESC(R, i) (&(((struct ice_tx_ctx_desc *)((R)->desc))[i]))
132 #define ICE_TX_FDIRDESC(R, i) (&(((struct ice_fltr_desc *)((R)->desc))[i]))
134 /* Minimum BW limit is 500 Kbps for any scheduler node */
135 #define ICE_MIN_BW_LIMIT 500
136 /* User can specify BW in either Kbit/Mbit/Gbit and OS converts it in bytes.
137 * use it to convert user specified BW limit into Kbps
139 #define ICE_BW_KBPS_DIVISOR 125
141 /* Default recipes have priority 4 and below, hence priority values between 5..7
142 * can be used as filter priority for advanced switch filter (advanced switch
143 * filters need new recipe to be created for specified extraction sequence
144 * because default recipe extraction sequence does not represent custom
147 #define ICE_SWITCH_FLTR_PRIO_QUEUE 7
148 /* prio 6 is reserved for future use (e.g. switch filter with L3 fields +
149 * (Optional: IP TOS/TTL) + L4 fields + (optionally: TCP fields such as
152 #define ICE_SWITCH_FLTR_PRIO_RSVD 6
153 #define ICE_SWITCH_FLTR_PRIO_VSI 5
154 #define ICE_SWITCH_FLTR_PRIO_QGRP ICE_SWITCH_FLTR_PRIO_VSI
156 /* Macro for each VSI in a PF */
157 #define ice_for_each_vsi(pf, i) \
158 for ((i) = 0; (i) < (pf)->num_alloc_vsi; (i)++)
160 /* Macros for each Tx/Xdp/Rx ring in a VSI */
161 #define ice_for_each_txq(vsi, i) \
162 for ((i) = 0; (i) < (vsi)->num_txq; (i)++)
164 #define ice_for_each_xdp_txq(vsi, i) \
165 for ((i) = 0; (i) < (vsi)->num_xdp_txq; (i)++)
167 #define ice_for_each_rxq(vsi, i) \
168 for ((i) = 0; (i) < (vsi)->num_rxq; (i)++)
170 /* Macros for each allocated Tx/Rx ring whether used or not in a VSI */
171 #define ice_for_each_alloc_txq(vsi, i) \
172 for ((i) = 0; (i) < (vsi)->alloc_txq; (i)++)
174 #define ice_for_each_alloc_rxq(vsi, i) \
175 for ((i) = 0; (i) < (vsi)->alloc_rxq; (i)++)
177 #define ice_for_each_q_vector(vsi, i) \
178 for ((i) = 0; (i) < (vsi)->num_q_vectors; (i)++)
180 #define ice_for_each_chnl_tc(i) \
181 for ((i) = ICE_CHNL_START_TC; (i) < ICE_CHNL_MAX_TC; (i)++)
183 #define ICE_UCAST_PROMISC_BITS (ICE_PROMISC_UCAST_TX | ICE_PROMISC_UCAST_RX)
185 #define ICE_UCAST_VLAN_PROMISC_BITS (ICE_PROMISC_UCAST_TX | \
186 ICE_PROMISC_UCAST_RX | \
187 ICE_PROMISC_VLAN_TX | \
190 #define ICE_MCAST_PROMISC_BITS (ICE_PROMISC_MCAST_TX | ICE_PROMISC_MCAST_RX)
192 #define ICE_MCAST_VLAN_PROMISC_BITS (ICE_PROMISC_MCAST_TX | \
193 ICE_PROMISC_MCAST_RX | \
194 ICE_PROMISC_VLAN_TX | \
197 #define ice_pf_to_dev(pf) (&((pf)->pdev->dev))
199 #define ice_pf_src_tmr_owned(pf) ((pf)->hw.func_caps.ts_func_info.src_tmr_owned)
212 DECLARE_STATIC_KEY_FALSE(ice_xdp_locking_key);
215 struct list_head list;
223 struct ice_aqc_vsi_props info;
226 atomic_t num_sb_fltr;
227 struct ice_vsi *ch_vsi;
230 struct ice_txq_meta {
231 u32 q_teid; /* Tx-scheduler element identifier */
232 u16 q_id; /* Entry in VSI's txq_map bitmap */
233 u16 q_handle; /* Relative index of Tx queue within TC */
234 u16 vsi_idx; /* VSI index that Tx queue belongs to */
235 u8 tc; /* TC number that Tx queue belongs to */
246 u8 numtc; /* Total number of enabled TCs */
247 u16 ena_tc; /* Tx map */
248 struct ice_tc_info tc_info[ICE_MAX_TRAFFIC_CLASS];
252 struct mutex *qs_mutex; /* will be assigned to &pf->avail_q_mutex */
253 unsigned long *pf_map;
254 unsigned long pf_map_size;
255 unsigned int q_count;
256 unsigned int scatter_count;
264 u16 sw_id; /* switch ID for this switch */
265 u16 bridge_mode; /* VEB/VEPA/Port Virtualizer */
272 ICE_PREPARED_FOR_RESET, /* set by driver when prepared */
273 ICE_RESET_OICR_RECV, /* set by driver after rcv reset OICR */
274 ICE_PFR_REQ, /* set by driver */
275 ICE_CORER_REQ, /* set by driver */
276 ICE_GLOBR_REQ, /* set by driver */
277 ICE_CORER_RECV, /* set by OICR handler */
278 ICE_GLOBR_RECV, /* set by OICR handler */
279 ICE_EMPR_RECV, /* set by OICR handler */
280 ICE_SUSPENDED, /* set on module remove path */
281 ICE_RESET_FAILED, /* set by reset/rebuild */
282 /* When checking for the PF to be in a nominal operating state, the
283 * bits that are grouped at the beginning of the list need to be
284 * checked. Bits occurring before ICE_STATE_NOMINAL_CHECK_BITS will
285 * be checked. If you need to add a bit into consideration for nominal
286 * operating state, it must be added before
287 * ICE_STATE_NOMINAL_CHECK_BITS. Do not move this entry's position
288 * without appropriate consideration.
290 ICE_STATE_NOMINAL_CHECK_BITS,
291 ICE_ADMINQ_EVENT_PENDING,
292 ICE_MAILBOXQ_EVENT_PENDING,
293 ICE_SIDEBANDQ_EVENT_PENDING,
294 ICE_MDD_EVENT_PENDING,
295 ICE_VFLR_EVENT_PENDING,
296 ICE_FLTR_OVERFLOW_PROMISC,
302 ICE_OICR_INTR_DIS, /* Global OICR interrupt disabled */
303 ICE_MDD_VF_PRINT_PENDING, /* set when MDD event handle */
304 ICE_VF_RESETS_DISABLED, /* disable resets during ice_remove */
305 ICE_LINK_DEFAULT_OVERRIDE_PENDING,
306 ICE_PHY_INIT_COMPLETE,
307 ICE_FD_VF_FLUSH_CTX, /* set at FD Rx IRQ or timeout */
309 ICE_STATE_NBITS /* must be last */
314 ICE_VSI_NEEDS_RESTART,
315 ICE_VSI_NETDEV_ALLOCD,
316 ICE_VSI_NETDEV_REGISTERED,
317 ICE_VSI_UMAC_FLTR_CHANGED,
318 ICE_VSI_MMAC_FLTR_CHANGED,
319 ICE_VSI_PROMISC_CHANGED,
320 ICE_VSI_STATE_NBITS /* must be last */
323 struct ice_vsi_stats {
324 struct ice_ring_stats **tx_ring_stats; /* Tx ring stats array */
325 struct ice_ring_stats **rx_ring_stats; /* Rx ring stats array */
328 /* struct that defines a VSI, associated with a dev */
330 struct net_device *netdev;
331 struct ice_sw *vsw; /* switch this VSI is on */
332 struct ice_pf *back; /* back pointer to PF */
333 struct ice_port_info *port_info; /* back pointer to port_info */
334 struct ice_rx_ring **rx_rings; /* Rx ring array */
335 struct ice_tx_ring **tx_rings; /* Tx ring array */
336 struct ice_q_vector **q_vectors; /* q_vector array */
338 irqreturn_t (*irq_handler)(int irq, void *data);
341 DECLARE_BITMAP(state, ICE_VSI_STATE_NBITS);
342 unsigned int current_netdev_flags;
348 /* tell if only dynamic irq allocation is allowed */
351 enum ice_vsi_type type;
352 u16 vsi_num; /* HW (absolute) index of this VSI */
353 u16 idx; /* software index in pf->vsi[] */
355 struct ice_vf *vf; /* VF associated with this VSI */
361 u16 rss_table_size; /* HW RSS table size */
362 u16 rss_size; /* Allocated RSS queues */
363 u8 *rss_hkey_user; /* User configured hash keys */
364 u8 *rss_lut_user; /* User configured lookup table entries */
365 u8 rss_lut_type; /* used to configure Get/Set RSS LUT AQ call */
367 /* aRFS members only allocated for the PF VSI */
368 #define ICE_MAX_ARFS_LIST 1024
369 #define ICE_ARFS_LST_MASK (ICE_MAX_ARFS_LIST - 1)
370 struct hlist_head *arfs_fltr_list;
371 struct ice_arfs_active_fltr_cntrs *arfs_fltr_cntrs;
372 spinlock_t arfs_lock; /* protects aRFS hash table and filter state */
373 atomic_t *arfs_last_fltr_id;
378 struct ice_aqc_vsi_props info; /* VSI properties */
379 struct ice_vsi_vlan_info vlan_info; /* vlan config to be restored */
382 struct rtnl_link_stats64 net_stats;
383 struct rtnl_link_stats64 net_stats_prev;
384 struct ice_eth_stats eth_stats;
385 struct ice_eth_stats eth_stats_prev;
387 struct list_head tmp_sync_list; /* MAC filters to be synced */
388 struct list_head tmp_unsync_list; /* MAC filters to be unsynced */
391 u8 current_isup:1; /* Sync 'link up' logging */
392 u8 stat_offsets_loaded:1;
393 struct ice_vsi_vlan_ops inner_vlan_ops;
394 struct ice_vsi_vlan_ops outer_vlan_ops;
397 /* queue information */
398 u8 tx_mapping_mode; /* ICE_MAP_MODE_[CONTIG|SCATTER] */
399 u8 rx_mapping_mode; /* ICE_MAP_MODE_[CONTIG|SCATTER] */
400 u16 *txq_map; /* index in pf->avail_txqs */
401 u16 *rxq_map; /* index in pf->avail_rxqs */
402 u16 alloc_txq; /* Allocated Tx queues */
403 u16 num_txq; /* Used Tx queues */
404 u16 alloc_rxq; /* Allocated Rx queues */
405 u16 num_rxq; /* Used Rx queues */
406 u16 req_txq; /* User requested Tx queues */
407 u16 req_rxq; /* User requested Rx queues */
410 u16 qset_handle[ICE_MAX_TRAFFIC_CLASS];
411 struct ice_tc_cfg tc_cfg;
412 struct bpf_prog *xdp_prog;
413 struct ice_tx_ring **xdp_rings; /* XDP ring array */
414 unsigned long *af_xdp_zc_qps; /* tracks AF_XDP ZC enabled qps */
415 u16 num_xdp_txq; /* Used XDP queues */
416 u8 xdp_mapping_mode; /* ICE_MAP_MODE_[CONTIG|SCATTER] */
418 struct net_device **target_netdevs;
420 struct tc_mqprio_qopt_offload mqprio_qopt; /* queue parameters */
422 /* Channel Specific Fields */
423 struct ice_vsi *tc_map_vsi[ICE_CHNL_MAX_TC];
425 u16 next_base_q; /* next queue to be used for channel setup */
426 struct list_head ch_list;
431 /* store away rss size info before configuring ADQ channels so that,
432 * it can be used after tc-qdisc delete, to get back RSS setting as
436 /* this keeps tracks of all enabled TC with and without DCB
437 * and inclusive of ADQ, vsi->mqprio_opt keeps track of queue
443 /* store away TC info, to be used for rebuild logic */
447 struct ice_channel *ch;
449 /* setup back reference, to which aggregator node this VSI
452 struct ice_agg_node *agg_node;
453 } ____cacheline_internodealigned_in_smp;
455 /* struct that defines an interrupt vector */
456 struct ice_q_vector {
459 u16 v_idx; /* index in the vsi->q_vector array. */
461 u8 num_ring_rx; /* total number of Rx rings in vector */
462 u8 num_ring_tx; /* total number of Tx rings in vector */
463 u8 wb_on_itr:1; /* if true, WB on ITR is enabled */
464 /* in usecs, need to use ice_intrl_to_usecs_reg() before writing this
465 * value to the device
469 struct napi_struct napi;
471 struct ice_ring_container rx;
472 struct ice_ring_container tx;
474 cpumask_t affinity_mask;
475 struct irq_affinity_notify affinity_notify;
477 struct ice_channel *ch;
479 char name[ICE_INT_NAME_STR_LEN];
481 u16 total_events; /* net_dim(): number of interrupts processed */
483 } ____cacheline_internodealigned_in_smp;
490 ICE_FLAG_SRIOV_CAPABLE,
491 ICE_FLAG_DCB_CAPABLE,
494 ICE_FLAG_PTP_SUPPORTED, /* PTP is supported by NVM */
495 ICE_FLAG_PTP, /* PTP is enabled by software */
496 ICE_FLAG_ADV_FEATURES,
497 ICE_FLAG_TC_MQPRIO, /* support for Multi queue TC */
499 ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA,
500 ICE_FLAG_TOTAL_PORT_SHUTDOWN_ENA,
502 ICE_FLAG_FW_LLDP_AGENT,
503 ICE_FLAG_MOD_POWER_UNSUPPORTED,
504 ICE_FLAG_PHY_FW_LOAD_FAILED,
505 ICE_FLAG_ETHTOOL_CTXT, /* set when ethtool holds RTNL lock */
507 ICE_FLAG_VF_TRUE_PROMISC_ENA,
508 ICE_FLAG_MDD_AUTO_RESET_VF,
509 ICE_FLAG_VF_VLAN_PRUNING,
510 ICE_FLAG_LINK_LENIENT_MODE_ENA,
511 ICE_FLAG_PLUG_AUX_DEV,
512 ICE_FLAG_UNPLUG_AUX_DEV,
513 ICE_FLAG_MTU_CHANGED,
514 ICE_FLAG_GNSS, /* GNSS successfully initialized */
515 ICE_FLAG_DPLL, /* SyncE/PTP dplls initialized */
516 ICE_PF_FLAGS_NBITS /* must be last */
519 enum ice_misc_thread_tasks {
520 ICE_MISC_THREAD_EXTTS_EVENT,
521 ICE_MISC_THREAD_TX_TSTAMP,
522 ICE_MISC_THREAD_NBITS /* must be last */
526 struct ice_vsi *control_vsi;
527 struct ice_vsi *uplink_vsi;
528 struct ice_esw_br_offloads *br_offloads;
531 /* struct to allow cp queues management optimization */
539 struct ice_agg_node {
541 #define ICE_MAX_VSIS_IN_AGG_NODE 64
547 struct pci_dev *pdev;
549 struct devlink_region *nvm_region;
550 struct devlink_region *sram_region;
551 struct devlink_region *devcaps_region;
553 /* devlink port data */
554 struct devlink_port devlink_port;
556 /* OS reserved IRQ details */
557 struct msix_entry *msix_entries;
558 struct ice_irq_tracker irq_tracker;
559 /* First MSIX vector used by SR-IOV VFs. Calculated by subtracting the
560 * number of MSIX vectors needed for all SR-IOV VFs from the number of
561 * MSIX vectors allowed on this PF.
563 u16 sriov_base_vector;
564 unsigned long *sriov_irq_bm; /* bitmap to track irq usage */
565 u16 sriov_irq_size; /* size of the irq_bm bitmap */
567 u16 ctrl_vsi_idx; /* control VSI index in pf->vsi array */
569 struct ice_vsi **vsi; /* VSIs created by the driver */
570 struct ice_vsi_stats **vsi_stats;
571 struct ice_sw *first_sw; /* first switch created by firmware */
572 u16 eswitch_mode; /* current mode of eswitch */
574 DECLARE_BITMAP(features, ICE_F_MAX);
575 DECLARE_BITMAP(state, ICE_STATE_NBITS);
576 DECLARE_BITMAP(flags, ICE_PF_FLAGS_NBITS);
577 DECLARE_BITMAP(misc_thread, ICE_MISC_THREAD_NBITS);
578 unsigned long *avail_txqs; /* bitmap to track PF Tx queue usage */
579 unsigned long *avail_rxqs; /* bitmap to track PF Rx queue usage */
580 unsigned long serv_tmr_period;
581 unsigned long serv_tmr_prev;
582 struct timer_list serv_tmr;
583 struct work_struct serv_task;
584 struct mutex avail_q_mutex; /* protects access to avail_[rx|tx]qs */
585 struct mutex sw_mutex; /* lock for protecting VSI alloc flow */
586 struct mutex tc_mutex; /* lock to protect TC changes */
587 struct mutex adev_mutex; /* lock to protect aux device access */
588 struct mutex lag_mutex; /* protect ice_lag struct in PF */
591 struct gnss_serial *gnss_serial;
592 struct gnss_device *gnss_dev;
593 u16 num_rdma_msix; /* Total MSIX vectors for RDMA driver */
594 u16 rdma_base_vector;
596 /* spinlock to protect the AdminQ wait list */
597 spinlock_t aq_wait_lock;
598 struct hlist_head aq_wait_list;
599 wait_queue_head_t aq_wait_queue;
600 bool fw_emp_reset_disabled;
602 wait_queue_head_t reset_wait_queue;
604 u32 hw_csum_rx_error;
606 struct msi_map oicr_irq; /* Other interrupt cause MSIX vector */
607 u16 max_pf_txqs; /* Total Tx queues PF wide */
608 u16 max_pf_rxqs; /* Total Rx queues PF wide */
609 u16 num_lan_msix; /* Total MSIX vectors for base driver */
610 u16 num_lan_tx; /* num LAN Tx queues setup */
611 u16 num_lan_rx; /* num LAN Rx queues setup */
612 u16 next_vsi; /* Next free slot in pf->vsi[] - 0-based! */
614 u16 corer_count; /* Core reset count */
615 u16 globr_count; /* Global reset count */
616 u16 empr_count; /* EMP reset count */
617 u16 pfr_count; /* PF reset count */
619 u8 wol_ena : 1; /* software state of WoL */
620 u32 wakeup_reason; /* last wakeup reason */
621 struct ice_hw_port_stats stats;
622 struct ice_hw_port_stats stats_prev;
624 u8 stat_prev_loaded:1; /* has previous stats been loaded */
627 u32 tx_timeout_count;
628 unsigned long tx_timeout_last_recovery;
629 u32 tx_timeout_recovery_level;
630 char int_name[ICE_INT_NAME_STR_LEN];
631 struct auxiliary_device *adev;
634 /* count of tc_flower filters specific to channel (aka where filter
635 * action is "hw_tc <tc_num>")
637 u16 num_dmac_chnl_fltrs;
638 struct hlist_head tc_flower_fltr_list;
640 u64 supported_rxdids;
642 __le64 nvm_phy_type_lo; /* NVM PHY type low */
643 __le64 nvm_phy_type_hi; /* NVM PHY type high */
644 struct ice_link_default_override_tlv link_dflt_override;
645 struct ice_lag *lag; /* Link Aggregation information */
647 struct ice_eswitch eswitch;
648 struct ice_esw_br_port *br_port;
650 #define ICE_INVALID_AGG_NODE_ID 0
651 #define ICE_PF_AGG_NODE_ID_START 1
652 #define ICE_MAX_PF_AGG_NODES 32
653 struct ice_agg_node pf_agg_node[ICE_MAX_PF_AGG_NODES];
654 #define ICE_VF_AGG_NODE_ID_START 65
655 #define ICE_MAX_VF_AGG_NODES 32
656 struct ice_agg_node vf_agg_node[ICE_MAX_VF_AGG_NODES];
657 struct ice_dplls dplls;
660 extern struct workqueue_struct *ice_lag_wq;
662 struct ice_netdev_priv {
664 struct ice_repr *repr;
665 /* indirect block callbacks on registered higher level devices
666 * (e.g. tunnel devices)
668 * tc_indr_block_cb_priv_list is used to look up indirect callback
671 struct list_head tc_indr_block_priv_list;
675 * ice_vector_ch_enabled
676 * @qv: pointer to q_vector, can be NULL
678 * This function returns true if vector is channel enabled otherwise false
680 static inline bool ice_vector_ch_enabled(struct ice_q_vector *qv)
682 return !!qv->ch; /* Enable it to run with TC */
686 * ice_ptp_pf_handles_tx_interrupt - Check if PF handles Tx interrupt
687 * @pf: Board private structure
689 * Return true if this PF should respond to the Tx timestamp interrupt
690 * indication in the miscellaneous OICR interrupt handler.
692 static inline bool ice_ptp_pf_handles_tx_interrupt(struct ice_pf *pf)
694 return pf->ptp.tx_interrupt_mode != ICE_PTP_TX_INTERRUPT_NONE;
698 * ice_irq_dynamic_ena - Enable default interrupt generation settings
699 * @hw: pointer to HW struct
700 * @vsi: pointer to VSI struct, can be NULL
701 * @q_vector: pointer to q_vector, can be NULL
704 ice_irq_dynamic_ena(struct ice_hw *hw, struct ice_vsi *vsi,
705 struct ice_q_vector *q_vector)
707 u32 vector = (vsi && q_vector) ? q_vector->reg_idx :
708 ((struct ice_pf *)hw->back)->oicr_irq.index;
709 int itr = ICE_ITR_NONE;
712 /* clear the PBA here, as this function is meant to clean out all
713 * previous interrupts and enable the interrupt
715 val = GLINT_DYN_CTL_INTENA_M | GLINT_DYN_CTL_CLEARPBA_M |
716 (itr << GLINT_DYN_CTL_ITR_INDX_S);
718 if (test_bit(ICE_VSI_DOWN, vsi->state))
720 wr32(hw, GLINT_DYN_CTL(vector), val);
724 * ice_netdev_to_pf - Retrieve the PF struct associated with a netdev
725 * @netdev: pointer to the netdev struct
727 static inline struct ice_pf *ice_netdev_to_pf(struct net_device *netdev)
729 struct ice_netdev_priv *np = netdev_priv(netdev);
731 return np->vsi->back;
734 static inline bool ice_is_xdp_ena_vsi(struct ice_vsi *vsi)
736 return !!READ_ONCE(vsi->xdp_prog);
739 static inline void ice_set_ring_xdp(struct ice_tx_ring *ring)
741 ring->flags |= ICE_TX_FLAGS_RING_XDP;
745 * ice_xsk_pool - get XSK buffer pool bound to a ring
746 * @ring: Rx ring to use
748 * Returns a pointer to xsk_buff_pool structure if there is a buffer pool
749 * present, NULL otherwise.
751 static inline struct xsk_buff_pool *ice_xsk_pool(struct ice_rx_ring *ring)
753 struct ice_vsi *vsi = ring->vsi;
754 u16 qid = ring->q_index;
756 if (!ice_is_xdp_ena_vsi(vsi) || !test_bit(qid, vsi->af_xdp_zc_qps))
759 return xsk_get_pool_from_qid(vsi->netdev, qid);
763 * ice_tx_xsk_pool - assign XSK buff pool to XDP ring
764 * @vsi: pointer to VSI
765 * @qid: index of a queue to look at XSK buff pool presence
767 * Sets XSK buff pool pointer on XDP ring.
769 * XDP ring is picked from Rx ring, whereas Rx ring is picked based on provided
770 * queue id. Reason for doing so is that queue vectors might have assigned more
771 * than one XDP ring, e.g. when user reduced the queue count on netdev; Rx ring
772 * carries a pointer to one of these XDP rings for its own purposes, such as
773 * handling XDP_TX action, therefore we can piggyback here on the
774 * rx_ring->xdp_ring assignment that was done during XDP rings initialization.
776 static inline void ice_tx_xsk_pool(struct ice_vsi *vsi, u16 qid)
778 struct ice_tx_ring *ring;
780 ring = vsi->rx_rings[qid]->xdp_ring;
784 if (!ice_is_xdp_ena_vsi(vsi) || !test_bit(qid, vsi->af_xdp_zc_qps)) {
785 ring->xsk_pool = NULL;
789 ring->xsk_pool = xsk_get_pool_from_qid(vsi->netdev, qid);
793 * ice_get_main_vsi - Get the PF VSI
796 * returns pf->vsi[0], which by definition is the PF VSI
798 static inline struct ice_vsi *ice_get_main_vsi(struct ice_pf *pf)
807 * ice_get_netdev_priv_vsi - return VSI associated with netdev priv.
808 * @np: private netdev structure
810 static inline struct ice_vsi *ice_get_netdev_priv_vsi(struct ice_netdev_priv *np)
812 /* In case of port representor return source port VSI. */
814 return np->repr->src_vsi;
820 * ice_get_ctrl_vsi - Get the control VSI
823 static inline struct ice_vsi *ice_get_ctrl_vsi(struct ice_pf *pf)
825 /* if pf->ctrl_vsi_idx is ICE_NO_VSI, control VSI was not set up */
826 if (!pf->vsi || pf->ctrl_vsi_idx == ICE_NO_VSI)
829 return pf->vsi[pf->ctrl_vsi_idx];
833 * ice_find_vsi - Find the VSI from VSI ID
834 * @pf: The PF pointer to search in
835 * @vsi_num: The VSI ID to search for
837 static inline struct ice_vsi *ice_find_vsi(struct ice_pf *pf, u16 vsi_num)
841 ice_for_each_vsi(pf, i)
842 if (pf->vsi[i] && pf->vsi[i]->vsi_num == vsi_num)
848 * ice_is_switchdev_running - check if switchdev is configured
849 * @pf: pointer to PF structure
851 * Returns true if eswitch mode is set to DEVLINK_ESWITCH_MODE_SWITCHDEV
852 * and switchdev is configured, false otherwise.
854 static inline bool ice_is_switchdev_running(struct ice_pf *pf)
856 return pf->eswitch.is_running;
859 #define ICE_FD_STAT_CTR_BLOCK_COUNT 256
860 #define ICE_FD_STAT_PF_IDX(base_idx) \
861 ((base_idx) * ICE_FD_STAT_CTR_BLOCK_COUNT)
862 #define ICE_FD_SB_STAT_IDX(base_idx) ICE_FD_STAT_PF_IDX(base_idx)
863 #define ICE_FD_STAT_CH 1
864 #define ICE_FD_CH_STAT_IDX(base_idx) \
865 (ICE_FD_STAT_PF_IDX(base_idx) + ICE_FD_STAT_CH)
868 * ice_is_adq_active - any active ADQs
871 * This function returns true if there are any ADQs configured (which is
872 * determined by looking at VSI type (which should be VSI_PF), numtc, and
873 * TC_MQPRIO flag) otherwise return false
875 static inline bool ice_is_adq_active(struct ice_pf *pf)
879 vsi = ice_get_main_vsi(pf);
883 /* is ADQ configured */
884 if (vsi->tc_cfg.numtc > ICE_CHNL_START_TC &&
885 test_bit(ICE_FLAG_TC_MQPRIO, pf->flags))
891 bool netif_is_ice(const struct net_device *dev);
892 int ice_vsi_setup_tx_rings(struct ice_vsi *vsi);
893 int ice_vsi_setup_rx_rings(struct ice_vsi *vsi);
894 int ice_vsi_open_ctrl(struct ice_vsi *vsi);
895 int ice_vsi_open(struct ice_vsi *vsi);
896 void ice_set_ethtool_ops(struct net_device *netdev);
897 void ice_set_ethtool_repr_ops(struct net_device *netdev);
898 void ice_set_ethtool_safe_mode_ops(struct net_device *netdev);
899 u16 ice_get_avail_txq_count(struct ice_pf *pf);
900 u16 ice_get_avail_rxq_count(struct ice_pf *pf);
901 int ice_vsi_recfg_qs(struct ice_vsi *vsi, int new_rx, int new_tx, bool locked);
902 void ice_update_vsi_stats(struct ice_vsi *vsi);
903 void ice_update_pf_stats(struct ice_pf *pf);
905 ice_fetch_u64_stats_per_ring(struct u64_stats_sync *syncp,
906 struct ice_q_stats stats, u64 *pkts, u64 *bytes);
907 int ice_up(struct ice_vsi *vsi);
908 int ice_down(struct ice_vsi *vsi);
909 int ice_down_up(struct ice_vsi *vsi);
910 int ice_vsi_cfg_lan(struct ice_vsi *vsi);
911 struct ice_vsi *ice_lb_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi);
912 int ice_vsi_determine_xdp_res(struct ice_vsi *vsi);
913 int ice_prepare_xdp_rings(struct ice_vsi *vsi, struct bpf_prog *prog);
914 int ice_destroy_xdp_rings(struct ice_vsi *vsi);
916 ice_xdp_xmit(struct net_device *dev, int n, struct xdp_frame **frames,
918 int ice_set_rss_lut(struct ice_vsi *vsi, u8 *lut, u16 lut_size);
919 int ice_get_rss_lut(struct ice_vsi *vsi, u8 *lut, u16 lut_size);
920 int ice_set_rss_key(struct ice_vsi *vsi, u8 *seed);
921 int ice_get_rss_key(struct ice_vsi *vsi, u8 *seed);
922 void ice_fill_rss_lut(u8 *lut, u16 rss_table_size, u16 rss_size);
923 int ice_schedule_reset(struct ice_pf *pf, enum ice_reset_req reset);
924 void ice_print_link_msg(struct ice_vsi *vsi, bool isup);
925 int ice_plug_aux_dev(struct ice_pf *pf);
926 void ice_unplug_aux_dev(struct ice_pf *pf);
927 int ice_init_rdma(struct ice_pf *pf);
928 void ice_deinit_rdma(struct ice_pf *pf);
929 const char *ice_aq_str(enum ice_aq_err aq_err);
930 bool ice_is_wol_supported(struct ice_hw *hw);
931 void ice_fdir_del_all_fltrs(struct ice_vsi *vsi);
933 ice_fdir_write_fltr(struct ice_pf *pf, struct ice_fdir_fltr *input, bool add,
935 void ice_vsi_manage_fdir(struct ice_vsi *vsi, bool ena);
936 int ice_add_fdir_ethtool(struct ice_vsi *vsi, struct ethtool_rxnfc *cmd);
937 int ice_del_fdir_ethtool(struct ice_vsi *vsi, struct ethtool_rxnfc *cmd);
938 int ice_get_ethtool_fdir_entry(struct ice_hw *hw, struct ethtool_rxnfc *cmd);
940 ice_get_fdir_fltr_ids(struct ice_hw *hw, struct ethtool_rxnfc *cmd,
942 void ice_fdir_rem_adq_chnl(struct ice_hw *hw, u16 vsi_idx);
943 void ice_fdir_release_flows(struct ice_hw *hw);
944 void ice_fdir_replay_flows(struct ice_hw *hw);
945 void ice_fdir_replay_fltrs(struct ice_pf *pf);
946 int ice_fdir_create_dflt_rules(struct ice_pf *pf);
948 enum ice_aq_task_state {
949 ICE_AQ_TASK_NOT_PREPARED,
951 ICE_AQ_TASK_COMPLETE,
952 ICE_AQ_TASK_CANCELED,
956 struct hlist_node entry;
957 struct ice_rq_event_info event;
958 enum ice_aq_task_state state;
962 void ice_aq_prep_for_event(struct ice_pf *pf, struct ice_aq_task *task,
964 int ice_aq_wait_for_event(struct ice_pf *pf, struct ice_aq_task *task,
965 unsigned long timeout);
966 int ice_open(struct net_device *netdev);
967 int ice_open_internal(struct net_device *netdev);
968 int ice_stop(struct net_device *netdev);
969 void ice_service_task_schedule(struct ice_pf *pf);
970 int ice_load(struct ice_pf *pf);
971 void ice_unload(struct ice_pf *pf);
972 void ice_adv_lnk_speed_maps_init(void);
975 * ice_set_rdma_cap - enable RDMA support
978 static inline void ice_set_rdma_cap(struct ice_pf *pf)
980 if (pf->hw.func_caps.common_cap.rdma && pf->num_rdma_msix) {
981 set_bit(ICE_FLAG_RDMA_ENA, pf->flags);
982 set_bit(ICE_FLAG_PLUG_AUX_DEV, pf->flags);
987 * ice_clear_rdma_cap - disable RDMA support
990 static inline void ice_clear_rdma_cap(struct ice_pf *pf)
992 /* defer unplug to service task to avoid RTNL lock and
993 * clear PLUG bit so that pending plugs don't interfere
995 clear_bit(ICE_FLAG_PLUG_AUX_DEV, pf->flags);
996 set_bit(ICE_FLAG_UNPLUG_AUX_DEV, pf->flags);
997 clear_bit(ICE_FLAG_RDMA_ENA, pf->flags);
1000 extern const struct xdp_metadata_ops ice_xdp_md_ops;
1001 #endif /* _ICE_H_ */