cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
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bnx2x_sp.h (40919B)


      1/* bnx2x_sp.h: Qlogic Everest network driver.
      2 *
      3 * Copyright 2011-2013 Broadcom Corporation
      4 * Copyright (c) 2014 QLogic Corporation
      5 * All rights reserved
      6 *
      7 * Unless you and Qlogic execute a separate written software license
      8 * agreement governing use of this software, this software is licensed to you
      9 * under the terms of the GNU General Public License version 2, available
     10 * at http://www.gnu.org/licenses/gpl-2.0.html (the "GPL").
     11 *
     12 * Notwithstanding the above, under no circumstances may you combine this
     13 * software in any way with any other Qlogic software provided under a
     14 * license other than the GPL, without Qlogic's express prior written
     15 * consent.
     16 *
     17 * Maintained by: Ariel Elior <ariel.elior@qlogic.com>
     18 * Written by: Vladislav Zolotarov
     19 *
     20 */
     21#ifndef BNX2X_SP_VERBS
     22#define BNX2X_SP_VERBS
     23
     24struct bnx2x;
     25struct eth_context;
     26
     27/* Bits representing general command's configuration */
     28enum {
     29	RAMROD_TX,
     30	RAMROD_RX,
     31	/* Wait until all pending commands complete */
     32	RAMROD_COMP_WAIT,
     33	/* Don't send a ramrod, only update a registry */
     34	RAMROD_DRV_CLR_ONLY,
     35	/* Configure HW according to the current object state */
     36	RAMROD_RESTORE,
     37	 /* Execute the next command now */
     38	RAMROD_EXEC,
     39	/* Don't add a new command and continue execution of postponed
     40	 * commands. If not set a new command will be added to the
     41	 * pending commands list.
     42	 */
     43	RAMROD_CONT,
     44	/* If there is another pending ramrod, wait until it finishes and
     45	 * re-try to submit this one. This flag can be set only in sleepable
     46	 * context, and should not be set from the context that completes the
     47	 * ramrods as deadlock will occur.
     48	 */
     49	RAMROD_RETRY,
     50};
     51
     52typedef enum {
     53	BNX2X_OBJ_TYPE_RX,
     54	BNX2X_OBJ_TYPE_TX,
     55	BNX2X_OBJ_TYPE_RX_TX,
     56} bnx2x_obj_type;
     57
     58/* Public slow path states */
     59enum {
     60	BNX2X_FILTER_MAC_PENDING,
     61	BNX2X_FILTER_VLAN_PENDING,
     62	BNX2X_FILTER_VLAN_MAC_PENDING,
     63	BNX2X_FILTER_RX_MODE_PENDING,
     64	BNX2X_FILTER_RX_MODE_SCHED,
     65	BNX2X_FILTER_ISCSI_ETH_START_SCHED,
     66	BNX2X_FILTER_ISCSI_ETH_STOP_SCHED,
     67	BNX2X_FILTER_FCOE_ETH_START_SCHED,
     68	BNX2X_FILTER_FCOE_ETH_STOP_SCHED,
     69	BNX2X_FILTER_MCAST_PENDING,
     70	BNX2X_FILTER_MCAST_SCHED,
     71	BNX2X_FILTER_RSS_CONF_PENDING,
     72	BNX2X_AFEX_FCOE_Q_UPDATE_PENDING,
     73	BNX2X_AFEX_PENDING_VIFSET_MCP_ACK
     74};
     75
     76struct bnx2x_raw_obj {
     77	u8		func_id;
     78
     79	/* Queue params */
     80	u8		cl_id;
     81	u32		cid;
     82
     83	/* Ramrod data buffer params */
     84	void		*rdata;
     85	dma_addr_t	rdata_mapping;
     86
     87	/* Ramrod state params */
     88	int		state;   /* "ramrod is pending" state bit */
     89	unsigned long	*pstate; /* pointer to state buffer */
     90
     91	bnx2x_obj_type	obj_type;
     92
     93	int (*wait_comp)(struct bnx2x *bp,
     94			 struct bnx2x_raw_obj *o);
     95
     96	bool (*check_pending)(struct bnx2x_raw_obj *o);
     97	void (*clear_pending)(struct bnx2x_raw_obj *o);
     98	void (*set_pending)(struct bnx2x_raw_obj *o);
     99};
    100
    101/************************* VLAN-MAC commands related parameters ***************/
    102struct bnx2x_mac_ramrod_data {
    103	u8 mac[ETH_ALEN];
    104	u8 is_inner_mac;
    105};
    106
    107struct bnx2x_vlan_ramrod_data {
    108	u16 vlan;
    109};
    110
    111struct bnx2x_vlan_mac_ramrod_data {
    112	u8 mac[ETH_ALEN];
    113	u8 is_inner_mac;
    114	u16 vlan;
    115};
    116
    117union bnx2x_classification_ramrod_data {
    118	struct bnx2x_mac_ramrod_data mac;
    119	struct bnx2x_vlan_ramrod_data vlan;
    120	struct bnx2x_vlan_mac_ramrod_data vlan_mac;
    121};
    122
    123/* VLAN_MAC commands */
    124enum bnx2x_vlan_mac_cmd {
    125	BNX2X_VLAN_MAC_ADD,
    126	BNX2X_VLAN_MAC_DEL,
    127	BNX2X_VLAN_MAC_MOVE,
    128};
    129
    130struct bnx2x_vlan_mac_data {
    131	/* Requested command: BNX2X_VLAN_MAC_XX */
    132	enum bnx2x_vlan_mac_cmd cmd;
    133	/* used to contain the data related vlan_mac_flags bits from
    134	 * ramrod parameters.
    135	 */
    136	unsigned long vlan_mac_flags;
    137
    138	/* Needed for MOVE command */
    139	struct bnx2x_vlan_mac_obj *target_obj;
    140
    141	union bnx2x_classification_ramrod_data u;
    142};
    143
    144/*************************** Exe Queue obj ************************************/
    145union bnx2x_exe_queue_cmd_data {
    146	struct bnx2x_vlan_mac_data vlan_mac;
    147
    148	struct {
    149		/* TODO */
    150	} mcast;
    151};
    152
    153struct bnx2x_exeq_elem {
    154	struct list_head		link;
    155
    156	/* Length of this element in the exe_chunk. */
    157	int				cmd_len;
    158
    159	union bnx2x_exe_queue_cmd_data	cmd_data;
    160};
    161
    162union bnx2x_qable_obj;
    163
    164union bnx2x_exeq_comp_elem {
    165	union event_ring_elem *elem;
    166};
    167
    168struct bnx2x_exe_queue_obj;
    169
    170typedef int (*exe_q_validate)(struct bnx2x *bp,
    171			      union bnx2x_qable_obj *o,
    172			      struct bnx2x_exeq_elem *elem);
    173
    174typedef int (*exe_q_remove)(struct bnx2x *bp,
    175			    union bnx2x_qable_obj *o,
    176			    struct bnx2x_exeq_elem *elem);
    177
    178/* Return positive if entry was optimized, 0 - if not, negative
    179 * in case of an error.
    180 */
    181typedef int (*exe_q_optimize)(struct bnx2x *bp,
    182			      union bnx2x_qable_obj *o,
    183			      struct bnx2x_exeq_elem *elem);
    184typedef int (*exe_q_execute)(struct bnx2x *bp,
    185			     union bnx2x_qable_obj *o,
    186			     struct list_head *exe_chunk,
    187			     unsigned long *ramrod_flags);
    188typedef struct bnx2x_exeq_elem *
    189			(*exe_q_get)(struct bnx2x_exe_queue_obj *o,
    190				     struct bnx2x_exeq_elem *elem);
    191
    192struct bnx2x_exe_queue_obj {
    193	/* Commands pending for an execution. */
    194	struct list_head	exe_queue;
    195
    196	/* Commands pending for an completion. */
    197	struct list_head	pending_comp;
    198
    199	spinlock_t		lock;
    200
    201	/* Maximum length of commands' list for one execution */
    202	int			exe_chunk_len;
    203
    204	union bnx2x_qable_obj	*owner;
    205
    206	/****** Virtual functions ******/
    207	/**
    208	 * Called before commands execution for commands that are really
    209	 * going to be executed (after 'optimize').
    210	 *
    211	 * Must run under exe_queue->lock
    212	 */
    213	exe_q_validate		validate;
    214
    215	/**
    216	 * Called before removing pending commands, cleaning allocated
    217	 * resources (e.g., credits from validate)
    218	 */
    219	 exe_q_remove		remove;
    220
    221	/**
    222	 * This will try to cancel the current pending commands list
    223	 * considering the new command.
    224	 *
    225	 * Returns the number of optimized commands or a negative error code
    226	 *
    227	 * Must run under exe_queue->lock
    228	 */
    229	exe_q_optimize		optimize;
    230
    231	/**
    232	 * Run the next commands chunk (owner specific).
    233	 */
    234	exe_q_execute		execute;
    235
    236	/**
    237	 * Return the exe_queue element containing the specific command
    238	 * if any. Otherwise return NULL.
    239	 */
    240	exe_q_get		get;
    241};
    242/***************** Classification verbs: Set/Del MAC/VLAN/VLAN-MAC ************/
    243/*
    244 * Element in the VLAN_MAC registry list having all currently configured
    245 * rules.
    246 */
    247struct bnx2x_vlan_mac_registry_elem {
    248	struct list_head	link;
    249
    250	/* Used to store the cam offset used for the mac/vlan/vlan-mac.
    251	 * Relevant for 57710 and 57711 only. VLANs and MACs share the
    252	 * same CAM for these chips.
    253	 */
    254	int			cam_offset;
    255
    256	/* Needed for DEL and RESTORE flows */
    257	unsigned long		vlan_mac_flags;
    258
    259	union bnx2x_classification_ramrod_data u;
    260};
    261
    262/* Bits representing VLAN_MAC commands specific flags */
    263enum {
    264	BNX2X_UC_LIST_MAC,
    265	BNX2X_ETH_MAC,
    266	BNX2X_ISCSI_ETH_MAC,
    267	BNX2X_NETQ_ETH_MAC,
    268	BNX2X_VLAN,
    269	BNX2X_DONT_CONSUME_CAM_CREDIT,
    270	BNX2X_DONT_CONSUME_CAM_CREDIT_DEST,
    271};
    272/* When looking for matching filters, some flags are not interesting */
    273#define BNX2X_VLAN_MAC_CMP_MASK	(1 << BNX2X_UC_LIST_MAC | \
    274				 1 << BNX2X_ETH_MAC | \
    275				 1 << BNX2X_ISCSI_ETH_MAC | \
    276				 1 << BNX2X_NETQ_ETH_MAC | \
    277				 1 << BNX2X_VLAN)
    278#define BNX2X_VLAN_MAC_CMP_FLAGS(flags) \
    279	((flags) & BNX2X_VLAN_MAC_CMP_MASK)
    280
    281struct bnx2x_vlan_mac_ramrod_params {
    282	/* Object to run the command from */
    283	struct bnx2x_vlan_mac_obj *vlan_mac_obj;
    284
    285	/* General command flags: COMP_WAIT, etc. */
    286	unsigned long ramrod_flags;
    287
    288	/* Command specific configuration request */
    289	struct bnx2x_vlan_mac_data user_req;
    290};
    291
    292struct bnx2x_vlan_mac_obj {
    293	struct bnx2x_raw_obj raw;
    294
    295	/* Bookkeeping list: will prevent the addition of already existing
    296	 * entries.
    297	 */
    298	struct list_head		head;
    299	/* Implement a simple reader/writer lock on the head list.
    300	 * all these fields should only be accessed under the exe_queue lock
    301	 */
    302	u8		head_reader; /* Num. of readers accessing head list */
    303	bool		head_exe_request; /* Pending execution request. */
    304	unsigned long	saved_ramrod_flags; /* Ramrods of pending execution */
    305
    306	/* TODO: Add it's initialization in the init functions */
    307	struct bnx2x_exe_queue_obj	exe_queue;
    308
    309	/* MACs credit pool */
    310	struct bnx2x_credit_pool_obj	*macs_pool;
    311
    312	/* VLANs credit pool */
    313	struct bnx2x_credit_pool_obj	*vlans_pool;
    314
    315	/* RAMROD command to be used */
    316	int				ramrod_cmd;
    317
    318	/* copy first n elements onto preallocated buffer
    319	 *
    320	 * @param n number of elements to get
    321	 * @param buf buffer preallocated by caller into which elements
    322	 *            will be copied. Note elements are 4-byte aligned
    323	 *            so buffer size must be able to accommodate the
    324	 *            aligned elements.
    325	 *
    326	 * @return number of copied bytes
    327	 */
    328	int (*get_n_elements)(struct bnx2x *bp,
    329			      struct bnx2x_vlan_mac_obj *o, int n, u8 *base,
    330			      u8 stride, u8 size);
    331
    332	/**
    333	 * Checks if ADD-ramrod with the given params may be performed.
    334	 *
    335	 * @return zero if the element may be added
    336	 */
    337
    338	int (*check_add)(struct bnx2x *bp,
    339			 struct bnx2x_vlan_mac_obj *o,
    340			 union bnx2x_classification_ramrod_data *data);
    341
    342	/**
    343	 * Checks if DEL-ramrod with the given params may be performed.
    344	 *
    345	 * @return true if the element may be deleted
    346	 */
    347	struct bnx2x_vlan_mac_registry_elem *
    348		(*check_del)(struct bnx2x *bp,
    349			     struct bnx2x_vlan_mac_obj *o,
    350			     union bnx2x_classification_ramrod_data *data);
    351
    352	/**
    353	 * Checks if DEL-ramrod with the given params may be performed.
    354	 *
    355	 * @return true if the element may be deleted
    356	 */
    357	bool (*check_move)(struct bnx2x *bp,
    358			   struct bnx2x_vlan_mac_obj *src_o,
    359			   struct bnx2x_vlan_mac_obj *dst_o,
    360			   union bnx2x_classification_ramrod_data *data);
    361
    362	/**
    363	 *  Update the relevant credit object(s) (consume/return
    364	 *  correspondingly).
    365	 */
    366	bool (*get_credit)(struct bnx2x_vlan_mac_obj *o);
    367	bool (*put_credit)(struct bnx2x_vlan_mac_obj *o);
    368	bool (*get_cam_offset)(struct bnx2x_vlan_mac_obj *o, int *offset);
    369	bool (*put_cam_offset)(struct bnx2x_vlan_mac_obj *o, int offset);
    370
    371	/**
    372	 * Configures one rule in the ramrod data buffer.
    373	 */
    374	void (*set_one_rule)(struct bnx2x *bp,
    375			     struct bnx2x_vlan_mac_obj *o,
    376			     struct bnx2x_exeq_elem *elem, int rule_idx,
    377			     int cam_offset);
    378
    379	/**
    380	*  Delete all configured elements having the given
    381	*  vlan_mac_flags specification. Assumes no pending for
    382	*  execution commands. Will schedule all all currently
    383	*  configured MACs/VLANs/VLAN-MACs matching the vlan_mac_flags
    384	*  specification for deletion and will use the given
    385	*  ramrod_flags for the last DEL operation.
    386	 *
    387	 * @param bp
    388	 * @param o
    389	 * @param ramrod_flags RAMROD_XX flags
    390	 *
    391	 * @return 0 if the last operation has completed successfully
    392	 *         and there are no more elements left, positive value
    393	 *         if there are pending for completion commands,
    394	 *         negative value in case of failure.
    395	 */
    396	int (*delete_all)(struct bnx2x *bp,
    397			  struct bnx2x_vlan_mac_obj *o,
    398			  unsigned long *vlan_mac_flags,
    399			  unsigned long *ramrod_flags);
    400
    401	/**
    402	 * Reconfigures the next MAC/VLAN/VLAN-MAC element from the previously
    403	 * configured elements list.
    404	 *
    405	 * @param bp
    406	 * @param p Command parameters (RAMROD_COMP_WAIT bit in
    407	 *          ramrod_flags is only taken into an account)
    408	 * @param ppos a pointer to the cookie that should be given back in the
    409	 *        next call to make function handle the next element. If
    410	 *        *ppos is set to NULL it will restart the iterator.
    411	 *        If returned *ppos == NULL this means that the last
    412	 *        element has been handled.
    413	 *
    414	 * @return int
    415	 */
    416	int (*restore)(struct bnx2x *bp,
    417		       struct bnx2x_vlan_mac_ramrod_params *p,
    418		       struct bnx2x_vlan_mac_registry_elem **ppos);
    419
    420	/**
    421	 * Should be called on a completion arrival.
    422	 *
    423	 * @param bp
    424	 * @param o
    425	 * @param cqe Completion element we are handling
    426	 * @param ramrod_flags if RAMROD_CONT is set the next bulk of
    427	 *		       pending commands will be executed.
    428	 *		       RAMROD_DRV_CLR_ONLY and RAMROD_RESTORE
    429	 *		       may also be set if needed.
    430	 *
    431	 * @return 0 if there are neither pending nor waiting for
    432	 *         completion commands. Positive value if there are
    433	 *         pending for execution or for completion commands.
    434	 *         Negative value in case of an error (including an
    435	 *         error in the cqe).
    436	 */
    437	int (*complete)(struct bnx2x *bp, struct bnx2x_vlan_mac_obj *o,
    438			union event_ring_elem *cqe,
    439			unsigned long *ramrod_flags);
    440
    441	/**
    442	 * Wait for completion of all commands. Don't schedule new ones,
    443	 * just wait. It assumes that the completion code will schedule
    444	 * for new commands.
    445	 */
    446	int (*wait)(struct bnx2x *bp, struct bnx2x_vlan_mac_obj *o);
    447};
    448
    449enum {
    450	BNX2X_LLH_CAM_ISCSI_ETH_LINE = 0,
    451	BNX2X_LLH_CAM_ETH_LINE,
    452	BNX2X_LLH_CAM_MAX_PF_LINE = NIG_REG_LLH1_FUNC_MEM_SIZE / 2
    453};
    454
    455/** RX_MODE verbs:DROP_ALL/ACCEPT_ALL/ACCEPT_ALL_MULTI/ACCEPT_ALL_VLAN/NORMAL */
    456
    457/* RX_MODE ramrod special flags: set in rx_mode_flags field in
    458 * a bnx2x_rx_mode_ramrod_params.
    459 */
    460enum {
    461	BNX2X_RX_MODE_FCOE_ETH,
    462	BNX2X_RX_MODE_ISCSI_ETH,
    463};
    464
    465enum {
    466	BNX2X_ACCEPT_UNICAST,
    467	BNX2X_ACCEPT_MULTICAST,
    468	BNX2X_ACCEPT_ALL_UNICAST,
    469	BNX2X_ACCEPT_ALL_MULTICAST,
    470	BNX2X_ACCEPT_BROADCAST,
    471	BNX2X_ACCEPT_UNMATCHED,
    472	BNX2X_ACCEPT_ANY_VLAN
    473};
    474
    475struct bnx2x_rx_mode_ramrod_params {
    476	struct bnx2x_rx_mode_obj *rx_mode_obj;
    477	unsigned long *pstate;
    478	int state;
    479	u8 cl_id;
    480	u32 cid;
    481	u8 func_id;
    482	unsigned long ramrod_flags;
    483	unsigned long rx_mode_flags;
    484
    485	/* rdata is either a pointer to eth_filter_rules_ramrod_data(e2) or to
    486	 * a tstorm_eth_mac_filter_config (e1x).
    487	 */
    488	void *rdata;
    489	dma_addr_t rdata_mapping;
    490
    491	/* Rx mode settings */
    492	unsigned long rx_accept_flags;
    493
    494	/* internal switching settings */
    495	unsigned long tx_accept_flags;
    496};
    497
    498struct bnx2x_rx_mode_obj {
    499	int (*config_rx_mode)(struct bnx2x *bp,
    500			      struct bnx2x_rx_mode_ramrod_params *p);
    501
    502	int (*wait_comp)(struct bnx2x *bp,
    503			 struct bnx2x_rx_mode_ramrod_params *p);
    504};
    505
    506/********************** Set multicast group ***********************************/
    507
    508struct bnx2x_mcast_list_elem {
    509	struct list_head link;
    510	u8 *mac;
    511};
    512
    513union bnx2x_mcast_config_data {
    514	u8 *mac;
    515	u8 bin; /* used in a RESTORE flow */
    516};
    517
    518struct bnx2x_mcast_ramrod_params {
    519	struct bnx2x_mcast_obj *mcast_obj;
    520
    521	/* Relevant options are RAMROD_COMP_WAIT and RAMROD_DRV_CLR_ONLY */
    522	unsigned long ramrod_flags;
    523
    524	struct list_head mcast_list; /* list of struct bnx2x_mcast_list_elem */
    525	/** TODO:
    526	 *      - rename it to macs_num.
    527	 *      - Add a new command type for handling pending commands
    528	 *        (remove "zero semantics").
    529	 *
    530	 *  Length of mcast_list. If zero and ADD_CONT command - post
    531	 *  pending commands.
    532	 */
    533	int mcast_list_len;
    534};
    535
    536enum bnx2x_mcast_cmd {
    537	BNX2X_MCAST_CMD_ADD,
    538	BNX2X_MCAST_CMD_CONT,
    539	BNX2X_MCAST_CMD_DEL,
    540	BNX2X_MCAST_CMD_RESTORE,
    541
    542	/* Following this, multicast configuration should equal to approx
    543	 * the set of MACs provided [i.e., remove all else].
    544	 * The two sub-commands are used internally to decide whether a given
    545	 * bin is to be added or removed
    546	 */
    547	BNX2X_MCAST_CMD_SET,
    548	BNX2X_MCAST_CMD_SET_ADD,
    549	BNX2X_MCAST_CMD_SET_DEL,
    550};
    551
    552struct bnx2x_mcast_obj {
    553	struct bnx2x_raw_obj raw;
    554
    555	union {
    556		struct {
    557		#define BNX2X_MCAST_BINS_NUM	256
    558		#define BNX2X_MCAST_VEC_SZ	(BNX2X_MCAST_BINS_NUM / 64)
    559			u64 vec[BNX2X_MCAST_VEC_SZ];
    560
    561			/** Number of BINs to clear. Should be updated
    562			 *  immediately when a command arrives in order to
    563			 *  properly create DEL commands.
    564			 */
    565			int num_bins_set;
    566		} aprox_match;
    567
    568		struct {
    569			struct list_head macs;
    570			int num_macs_set;
    571		} exact_match;
    572	} registry;
    573
    574	/* Pending commands */
    575	struct list_head pending_cmds_head;
    576
    577	/* A state that is set in raw.pstate, when there are pending commands */
    578	int sched_state;
    579
    580	/* Maximal number of mcast MACs configured in one command */
    581	int max_cmd_len;
    582
    583	/* Total number of currently pending MACs to configure: both
    584	 * in the pending commands list and in the current command.
    585	 */
    586	int total_pending_num;
    587
    588	u8 engine_id;
    589
    590	/**
    591	 * @param cmd command to execute (BNX2X_MCAST_CMD_X, see above)
    592	 */
    593	int (*config_mcast)(struct bnx2x *bp,
    594			    struct bnx2x_mcast_ramrod_params *p,
    595			    enum bnx2x_mcast_cmd cmd);
    596
    597	/**
    598	 * Fills the ramrod data during the RESTORE flow.
    599	 *
    600	 * @param bp
    601	 * @param o
    602	 * @param start_idx Registry index to start from
    603	 * @param rdata_idx Index in the ramrod data to start from
    604	 *
    605	 * @return -1 if we handled the whole registry or index of the last
    606	 *         handled registry element.
    607	 */
    608	int (*hdl_restore)(struct bnx2x *bp, struct bnx2x_mcast_obj *o,
    609			   int start_bin, int *rdata_idx);
    610
    611	int (*enqueue_cmd)(struct bnx2x *bp, struct bnx2x_mcast_obj *o,
    612			   struct bnx2x_mcast_ramrod_params *p,
    613			   enum bnx2x_mcast_cmd cmd);
    614
    615	void (*set_one_rule)(struct bnx2x *bp,
    616			     struct bnx2x_mcast_obj *o, int idx,
    617			     union bnx2x_mcast_config_data *cfg_data,
    618			     enum bnx2x_mcast_cmd cmd);
    619
    620	/** Checks if there are more mcast MACs to be set or a previous
    621	 *  command is still pending.
    622	 */
    623	bool (*check_pending)(struct bnx2x_mcast_obj *o);
    624
    625	/**
    626	 * Set/Clear/Check SCHEDULED state of the object
    627	 */
    628	void (*set_sched)(struct bnx2x_mcast_obj *o);
    629	void (*clear_sched)(struct bnx2x_mcast_obj *o);
    630	bool (*check_sched)(struct bnx2x_mcast_obj *o);
    631
    632	/* Wait until all pending commands complete */
    633	int (*wait_comp)(struct bnx2x *bp, struct bnx2x_mcast_obj *o);
    634
    635	/**
    636	 * Handle the internal object counters needed for proper
    637	 * commands handling. Checks that the provided parameters are
    638	 * feasible.
    639	 */
    640	int (*validate)(struct bnx2x *bp,
    641			struct bnx2x_mcast_ramrod_params *p,
    642			enum bnx2x_mcast_cmd cmd);
    643
    644	/**
    645	 * Restore the values of internal counters in case of a failure.
    646	 */
    647	void (*revert)(struct bnx2x *bp,
    648		       struct bnx2x_mcast_ramrod_params *p,
    649		       int old_num_bins,
    650		       enum bnx2x_mcast_cmd cmd);
    651
    652	int (*get_registry_size)(struct bnx2x_mcast_obj *o);
    653	void (*set_registry_size)(struct bnx2x_mcast_obj *o, int n);
    654};
    655
    656/*************************** Credit handling **********************************/
    657struct bnx2x_credit_pool_obj {
    658
    659	/* Current amount of credit in the pool */
    660	atomic_t	credit;
    661
    662	/* Maximum allowed credit. put() will check against it. */
    663	int		pool_sz;
    664
    665	/* Allocate a pool table statically.
    666	 *
    667	 * Currently the maximum allowed size is MAX_MAC_CREDIT_E2(272)
    668	 *
    669	 * The set bit in the table will mean that the entry is available.
    670	 */
    671#define BNX2X_POOL_VEC_SIZE	(MAX_MAC_CREDIT_E2 / 64)
    672	u64		pool_mirror[BNX2X_POOL_VEC_SIZE];
    673
    674	/* Base pool offset (initialized differently */
    675	int		base_pool_offset;
    676
    677	/**
    678	 * Get the next free pool entry.
    679	 *
    680	 * @return true if there was a free entry in the pool
    681	 */
    682	bool (*get_entry)(struct bnx2x_credit_pool_obj *o, int *entry);
    683
    684	/**
    685	 * Return the entry back to the pool.
    686	 *
    687	 * @return true if entry is legal and has been successfully
    688	 *         returned to the pool.
    689	 */
    690	bool (*put_entry)(struct bnx2x_credit_pool_obj *o, int entry);
    691
    692	/**
    693	 * Get the requested amount of credit from the pool.
    694	 *
    695	 * @param cnt Amount of requested credit
    696	 * @return true if the operation is successful
    697	 */
    698	bool (*get)(struct bnx2x_credit_pool_obj *o, int cnt);
    699
    700	/**
    701	 * Returns the credit to the pool.
    702	 *
    703	 * @param cnt Amount of credit to return
    704	 * @return true if the operation is successful
    705	 */
    706	bool (*put)(struct bnx2x_credit_pool_obj *o, int cnt);
    707
    708	/**
    709	 * Reads the current amount of credit.
    710	 */
    711	int (*check)(struct bnx2x_credit_pool_obj *o);
    712};
    713
    714/*************************** RSS configuration ********************************/
    715enum {
    716	/* RSS_MODE bits are mutually exclusive */
    717	BNX2X_RSS_MODE_DISABLED,
    718	BNX2X_RSS_MODE_REGULAR,
    719
    720	BNX2X_RSS_SET_SRCH, /* Setup searcher, E1x specific flag */
    721
    722	BNX2X_RSS_IPV4,
    723	BNX2X_RSS_IPV4_TCP,
    724	BNX2X_RSS_IPV4_UDP,
    725	BNX2X_RSS_IPV6,
    726	BNX2X_RSS_IPV6_TCP,
    727	BNX2X_RSS_IPV6_UDP,
    728
    729	BNX2X_RSS_IPV4_VXLAN,
    730	BNX2X_RSS_IPV6_VXLAN,
    731	BNX2X_RSS_TUNN_INNER_HDRS,
    732};
    733
    734struct bnx2x_config_rss_params {
    735	struct bnx2x_rss_config_obj *rss_obj;
    736
    737	/* may have RAMROD_COMP_WAIT set only */
    738	unsigned long	ramrod_flags;
    739
    740	/* BNX2X_RSS_X bits */
    741	unsigned long	rss_flags;
    742
    743	/* Number hash bits to take into an account */
    744	u8		rss_result_mask;
    745
    746	/* Indirection table */
    747	u8		ind_table[T_ETH_INDIRECTION_TABLE_SIZE];
    748
    749	/* RSS hash values */
    750	u32		rss_key[10];
    751
    752	/* valid only iff BNX2X_RSS_UPDATE_TOE is set */
    753	u16		toe_rss_bitmap;
    754};
    755
    756struct bnx2x_rss_config_obj {
    757	struct bnx2x_raw_obj	raw;
    758
    759	/* RSS engine to use */
    760	u8			engine_id;
    761
    762	/* Last configured indirection table */
    763	u8			ind_table[T_ETH_INDIRECTION_TABLE_SIZE];
    764
    765	/* flags for enabling 4-tupple hash on UDP */
    766	u8			udp_rss_v4;
    767	u8			udp_rss_v6;
    768
    769	int (*config_rss)(struct bnx2x *bp,
    770			  struct bnx2x_config_rss_params *p);
    771};
    772
    773/*********************** Queue state update ***********************************/
    774
    775/* UPDATE command options */
    776enum {
    777	BNX2X_Q_UPDATE_IN_VLAN_REM,
    778	BNX2X_Q_UPDATE_IN_VLAN_REM_CHNG,
    779	BNX2X_Q_UPDATE_OUT_VLAN_REM,
    780	BNX2X_Q_UPDATE_OUT_VLAN_REM_CHNG,
    781	BNX2X_Q_UPDATE_ANTI_SPOOF,
    782	BNX2X_Q_UPDATE_ANTI_SPOOF_CHNG,
    783	BNX2X_Q_UPDATE_ACTIVATE,
    784	BNX2X_Q_UPDATE_ACTIVATE_CHNG,
    785	BNX2X_Q_UPDATE_DEF_VLAN_EN,
    786	BNX2X_Q_UPDATE_DEF_VLAN_EN_CHNG,
    787	BNX2X_Q_UPDATE_SILENT_VLAN_REM_CHNG,
    788	BNX2X_Q_UPDATE_SILENT_VLAN_REM,
    789	BNX2X_Q_UPDATE_TX_SWITCHING_CHNG,
    790	BNX2X_Q_UPDATE_TX_SWITCHING,
    791	BNX2X_Q_UPDATE_PTP_PKTS_CHNG,
    792	BNX2X_Q_UPDATE_PTP_PKTS,
    793};
    794
    795/* Allowed Queue states */
    796enum bnx2x_q_state {
    797	BNX2X_Q_STATE_RESET,
    798	BNX2X_Q_STATE_INITIALIZED,
    799	BNX2X_Q_STATE_ACTIVE,
    800	BNX2X_Q_STATE_MULTI_COS,
    801	BNX2X_Q_STATE_MCOS_TERMINATED,
    802	BNX2X_Q_STATE_INACTIVE,
    803	BNX2X_Q_STATE_STOPPED,
    804	BNX2X_Q_STATE_TERMINATED,
    805	BNX2X_Q_STATE_FLRED,
    806	BNX2X_Q_STATE_MAX,
    807};
    808
    809/* Allowed Queue states */
    810enum bnx2x_q_logical_state {
    811	BNX2X_Q_LOGICAL_STATE_ACTIVE,
    812	BNX2X_Q_LOGICAL_STATE_STOPPED,
    813};
    814
    815/* Allowed commands */
    816enum bnx2x_queue_cmd {
    817	BNX2X_Q_CMD_INIT,
    818	BNX2X_Q_CMD_SETUP,
    819	BNX2X_Q_CMD_SETUP_TX_ONLY,
    820	BNX2X_Q_CMD_DEACTIVATE,
    821	BNX2X_Q_CMD_ACTIVATE,
    822	BNX2X_Q_CMD_UPDATE,
    823	BNX2X_Q_CMD_UPDATE_TPA,
    824	BNX2X_Q_CMD_HALT,
    825	BNX2X_Q_CMD_CFC_DEL,
    826	BNX2X_Q_CMD_TERMINATE,
    827	BNX2X_Q_CMD_EMPTY,
    828	BNX2X_Q_CMD_MAX,
    829};
    830
    831/* queue SETUP + INIT flags */
    832enum {
    833	BNX2X_Q_FLG_TPA,
    834	BNX2X_Q_FLG_TPA_IPV6,
    835	BNX2X_Q_FLG_TPA_GRO,
    836	BNX2X_Q_FLG_STATS,
    837	BNX2X_Q_FLG_ZERO_STATS,
    838	BNX2X_Q_FLG_ACTIVE,
    839	BNX2X_Q_FLG_OV,
    840	BNX2X_Q_FLG_VLAN,
    841	BNX2X_Q_FLG_COS,
    842	BNX2X_Q_FLG_HC,
    843	BNX2X_Q_FLG_HC_EN,
    844	BNX2X_Q_FLG_DHC,
    845	BNX2X_Q_FLG_FCOE,
    846	BNX2X_Q_FLG_LEADING_RSS,
    847	BNX2X_Q_FLG_MCAST,
    848	BNX2X_Q_FLG_DEF_VLAN,
    849	BNX2X_Q_FLG_TX_SWITCH,
    850	BNX2X_Q_FLG_TX_SEC,
    851	BNX2X_Q_FLG_ANTI_SPOOF,
    852	BNX2X_Q_FLG_SILENT_VLAN_REM,
    853	BNX2X_Q_FLG_FORCE_DEFAULT_PRI,
    854	BNX2X_Q_FLG_REFUSE_OUTBAND_VLAN,
    855	BNX2X_Q_FLG_PCSUM_ON_PKT,
    856	BNX2X_Q_FLG_TUN_INC_INNER_IP_ID
    857};
    858
    859/* Queue type options: queue type may be a combination of below. */
    860enum bnx2x_q_type {
    861	/** TODO: Consider moving both these flags into the init()
    862	 *        ramrod params.
    863	 */
    864	BNX2X_Q_TYPE_HAS_RX,
    865	BNX2X_Q_TYPE_HAS_TX,
    866};
    867
    868#define BNX2X_PRIMARY_CID_INDEX			0
    869#define BNX2X_MULTI_TX_COS_E1X			3 /* QM only */
    870#define BNX2X_MULTI_TX_COS_E2_E3A0		2
    871#define BNX2X_MULTI_TX_COS_E3B0			3
    872#define BNX2X_MULTI_TX_COS			3 /* Maximum possible */
    873
    874#define MAC_PAD (ALIGN(ETH_ALEN, sizeof(u32)) - ETH_ALEN)
    875/* DMAE channel to be used by FW for timesync workaroun. A driver that sends
    876 * timesync-related ramrods must not use this DMAE command ID.
    877 */
    878#define FW_DMAE_CMD_ID 6
    879
    880struct bnx2x_queue_init_params {
    881	struct {
    882		unsigned long	flags;
    883		u16		hc_rate;
    884		u8		fw_sb_id;
    885		u8		sb_cq_index;
    886	} tx;
    887
    888	struct {
    889		unsigned long	flags;
    890		u16		hc_rate;
    891		u8		fw_sb_id;
    892		u8		sb_cq_index;
    893	} rx;
    894
    895	/* CID context in the host memory */
    896	struct eth_context *cxts[BNX2X_MULTI_TX_COS];
    897
    898	/* maximum number of cos supported by hardware */
    899	u8 max_cos;
    900};
    901
    902struct bnx2x_queue_terminate_params {
    903	/* index within the tx_only cids of this queue object */
    904	u8 cid_index;
    905};
    906
    907struct bnx2x_queue_cfc_del_params {
    908	/* index within the tx_only cids of this queue object */
    909	u8 cid_index;
    910};
    911
    912struct bnx2x_queue_update_params {
    913	unsigned long	update_flags; /* BNX2X_Q_UPDATE_XX bits */
    914	u16		def_vlan;
    915	u16		silent_removal_value;
    916	u16		silent_removal_mask;
    917/* index within the tx_only cids of this queue object */
    918	u8		cid_index;
    919};
    920
    921struct bnx2x_queue_update_tpa_params {
    922	dma_addr_t sge_map;
    923	u8 update_ipv4;
    924	u8 update_ipv6;
    925	u8 max_tpa_queues;
    926	u8 max_sges_pkt;
    927	u8 complete_on_both_clients;
    928	u8 dont_verify_thr;
    929	u8 tpa_mode;
    930	u8 _pad;
    931
    932	u16 sge_buff_sz;
    933	u16 max_agg_sz;
    934
    935	u16 sge_pause_thr_low;
    936	u16 sge_pause_thr_high;
    937};
    938
    939struct rxq_pause_params {
    940	u16		bd_th_lo;
    941	u16		bd_th_hi;
    942	u16		rcq_th_lo;
    943	u16		rcq_th_hi;
    944	u16		sge_th_lo; /* valid iff BNX2X_Q_FLG_TPA */
    945	u16		sge_th_hi; /* valid iff BNX2X_Q_FLG_TPA */
    946	u16		pri_map;
    947};
    948
    949/* general */
    950struct bnx2x_general_setup_params {
    951	/* valid iff BNX2X_Q_FLG_STATS */
    952	u8		stat_id;
    953
    954	u8		spcl_id;
    955	u16		mtu;
    956	u8		cos;
    957
    958	u8		fp_hsi;
    959};
    960
    961struct bnx2x_rxq_setup_params {
    962	/* dma */
    963	dma_addr_t	dscr_map;
    964	dma_addr_t	sge_map;
    965	dma_addr_t	rcq_map;
    966	dma_addr_t	rcq_np_map;
    967
    968	u16		drop_flags;
    969	u16		buf_sz;
    970	u8		fw_sb_id;
    971	u8		cl_qzone_id;
    972
    973	/* valid iff BNX2X_Q_FLG_TPA */
    974	u16		tpa_agg_sz;
    975	u16		sge_buf_sz;
    976	u8		max_sges_pkt;
    977	u8		max_tpa_queues;
    978	u8		rss_engine_id;
    979
    980	/* valid iff BNX2X_Q_FLG_MCAST */
    981	u8		mcast_engine_id;
    982
    983	u8		cache_line_log;
    984
    985	u8		sb_cq_index;
    986
    987	/* valid iff BXN2X_Q_FLG_SILENT_VLAN_REM */
    988	u16 silent_removal_value;
    989	u16 silent_removal_mask;
    990};
    991
    992struct bnx2x_txq_setup_params {
    993	/* dma */
    994	dma_addr_t	dscr_map;
    995
    996	u8		fw_sb_id;
    997	u8		sb_cq_index;
    998	u8		cos;		/* valid iff BNX2X_Q_FLG_COS */
    999	u16		traffic_type;
   1000	/* equals to the leading rss client id, used for TX classification*/
   1001	u8		tss_leading_cl_id;
   1002
   1003	/* valid iff BNX2X_Q_FLG_DEF_VLAN */
   1004	u16		default_vlan;
   1005};
   1006
   1007struct bnx2x_queue_setup_params {
   1008	struct bnx2x_general_setup_params gen_params;
   1009	struct bnx2x_txq_setup_params txq_params;
   1010	struct bnx2x_rxq_setup_params rxq_params;
   1011	struct rxq_pause_params pause_params;
   1012	unsigned long flags;
   1013};
   1014
   1015struct bnx2x_queue_setup_tx_only_params {
   1016	struct bnx2x_general_setup_params	gen_params;
   1017	struct bnx2x_txq_setup_params		txq_params;
   1018	unsigned long				flags;
   1019	/* index within the tx_only cids of this queue object */
   1020	u8					cid_index;
   1021};
   1022
   1023struct bnx2x_queue_state_params {
   1024	struct bnx2x_queue_sp_obj *q_obj;
   1025
   1026	/* Current command */
   1027	enum bnx2x_queue_cmd cmd;
   1028
   1029	/* may have RAMROD_COMP_WAIT set only */
   1030	unsigned long ramrod_flags;
   1031
   1032	/* Params according to the current command */
   1033	union {
   1034		struct bnx2x_queue_update_params	update;
   1035		struct bnx2x_queue_update_tpa_params    update_tpa;
   1036		struct bnx2x_queue_setup_params		setup;
   1037		struct bnx2x_queue_init_params		init;
   1038		struct bnx2x_queue_setup_tx_only_params	tx_only;
   1039		struct bnx2x_queue_terminate_params	terminate;
   1040		struct bnx2x_queue_cfc_del_params	cfc_del;
   1041	} params;
   1042};
   1043
   1044struct bnx2x_viflist_params {
   1045	u8 echo_res;
   1046	u8 func_bit_map_res;
   1047};
   1048
   1049struct bnx2x_queue_sp_obj {
   1050	u32		cids[BNX2X_MULTI_TX_COS];
   1051	u8		cl_id;
   1052	u8		func_id;
   1053
   1054	/* number of traffic classes supported by queue.
   1055	 * The primary connection of the queue supports the first traffic
   1056	 * class. Any further traffic class is supported by a tx-only
   1057	 * connection.
   1058	 *
   1059	 * Therefore max_cos is also a number of valid entries in the cids
   1060	 * array.
   1061	 */
   1062	u8 max_cos;
   1063	u8 num_tx_only, next_tx_only;
   1064
   1065	enum bnx2x_q_state state, next_state;
   1066
   1067	/* bits from enum bnx2x_q_type */
   1068	unsigned long	type;
   1069
   1070	/* BNX2X_Q_CMD_XX bits. This object implements "one
   1071	 * pending" paradigm but for debug and tracing purposes it's
   1072	 * more convenient to have different bits for different
   1073	 * commands.
   1074	 */
   1075	unsigned long	pending;
   1076
   1077	/* Buffer to use as a ramrod data and its mapping */
   1078	void		*rdata;
   1079	dma_addr_t	rdata_mapping;
   1080
   1081	/**
   1082	 * Performs one state change according to the given parameters.
   1083	 *
   1084	 * @return 0 in case of success and negative value otherwise.
   1085	 */
   1086	int (*send_cmd)(struct bnx2x *bp,
   1087			struct bnx2x_queue_state_params *params);
   1088
   1089	/**
   1090	 * Sets the pending bit according to the requested transition.
   1091	 */
   1092	int (*set_pending)(struct bnx2x_queue_sp_obj *o,
   1093			   struct bnx2x_queue_state_params *params);
   1094
   1095	/**
   1096	 * Checks that the requested state transition is legal.
   1097	 */
   1098	int (*check_transition)(struct bnx2x *bp,
   1099				struct bnx2x_queue_sp_obj *o,
   1100				struct bnx2x_queue_state_params *params);
   1101
   1102	/**
   1103	 * Completes the pending command.
   1104	 */
   1105	int (*complete_cmd)(struct bnx2x *bp,
   1106			    struct bnx2x_queue_sp_obj *o,
   1107			    enum bnx2x_queue_cmd);
   1108
   1109	int (*wait_comp)(struct bnx2x *bp,
   1110			 struct bnx2x_queue_sp_obj *o,
   1111			 enum bnx2x_queue_cmd cmd);
   1112};
   1113
   1114/********************** Function state update *********************************/
   1115
   1116/* UPDATE command options */
   1117enum {
   1118	BNX2X_F_UPDATE_TX_SWITCH_SUSPEND_CHNG,
   1119	BNX2X_F_UPDATE_TX_SWITCH_SUSPEND,
   1120	BNX2X_F_UPDATE_SD_VLAN_TAG_CHNG,
   1121	BNX2X_F_UPDATE_SD_VLAN_ETH_TYPE_CHNG,
   1122	BNX2X_F_UPDATE_VLAN_FORCE_PRIO_CHNG,
   1123	BNX2X_F_UPDATE_VLAN_FORCE_PRIO_FLAG,
   1124	BNX2X_F_UPDATE_TUNNEL_CFG_CHNG,
   1125	BNX2X_F_UPDATE_TUNNEL_INNER_CLSS_L2GRE,
   1126	BNX2X_F_UPDATE_TUNNEL_INNER_CLSS_VXLAN,
   1127	BNX2X_F_UPDATE_TUNNEL_INNER_CLSS_L2GENEVE,
   1128	BNX2X_F_UPDATE_TUNNEL_INNER_RSS,
   1129};
   1130
   1131/* Allowed Function states */
   1132enum bnx2x_func_state {
   1133	BNX2X_F_STATE_RESET,
   1134	BNX2X_F_STATE_INITIALIZED,
   1135	BNX2X_F_STATE_STARTED,
   1136	BNX2X_F_STATE_TX_STOPPED,
   1137	BNX2X_F_STATE_MAX,
   1138};
   1139
   1140/* Allowed Function commands */
   1141enum bnx2x_func_cmd {
   1142	BNX2X_F_CMD_HW_INIT,
   1143	BNX2X_F_CMD_START,
   1144	BNX2X_F_CMD_STOP,
   1145	BNX2X_F_CMD_HW_RESET,
   1146	BNX2X_F_CMD_AFEX_UPDATE,
   1147	BNX2X_F_CMD_AFEX_VIFLISTS,
   1148	BNX2X_F_CMD_TX_STOP,
   1149	BNX2X_F_CMD_TX_START,
   1150	BNX2X_F_CMD_SWITCH_UPDATE,
   1151	BNX2X_F_CMD_SET_TIMESYNC,
   1152	BNX2X_F_CMD_MAX,
   1153};
   1154
   1155struct bnx2x_func_hw_init_params {
   1156	/* A load phase returned by MCP.
   1157	 *
   1158	 * May be:
   1159	 *		FW_MSG_CODE_DRV_LOAD_COMMON_CHIP
   1160	 *		FW_MSG_CODE_DRV_LOAD_COMMON
   1161	 *		FW_MSG_CODE_DRV_LOAD_PORT
   1162	 *		FW_MSG_CODE_DRV_LOAD_FUNCTION
   1163	 */
   1164	u32 load_phase;
   1165};
   1166
   1167struct bnx2x_func_hw_reset_params {
   1168	/* A load phase returned by MCP.
   1169	 *
   1170	 * May be:
   1171	 *		FW_MSG_CODE_DRV_LOAD_COMMON_CHIP
   1172	 *		FW_MSG_CODE_DRV_LOAD_COMMON
   1173	 *		FW_MSG_CODE_DRV_LOAD_PORT
   1174	 *		FW_MSG_CODE_DRV_LOAD_FUNCTION
   1175	 */
   1176	u32 reset_phase;
   1177};
   1178
   1179struct bnx2x_func_start_params {
   1180	/* Multi Function mode:
   1181	 *	- Single Function
   1182	 *	- Switch Dependent
   1183	 *	- Switch Independent
   1184	 */
   1185	u16 mf_mode;
   1186
   1187	/* Switch Dependent mode outer VLAN tag */
   1188	u16 sd_vlan_tag;
   1189
   1190	/* Function cos mode */
   1191	u8 network_cos_mode;
   1192
   1193	/* UDP dest port for VXLAN */
   1194	u16 vxlan_dst_port;
   1195
   1196	/* UDP dest port for Geneve */
   1197	u16 geneve_dst_port;
   1198
   1199	/* Enable inner Rx classifications for L2GRE packets */
   1200	u8 inner_clss_l2gre;
   1201
   1202	/* Enable inner Rx classifications for L2-Geneve packets */
   1203	u8 inner_clss_l2geneve;
   1204
   1205	/* Enable inner Rx classification for vxlan packets */
   1206	u8 inner_clss_vxlan;
   1207
   1208	/* Enable RSS according to inner header */
   1209	u8 inner_rss;
   1210
   1211	/* Allows accepting of packets failing MF classification, possibly
   1212	 * only matching a given ethertype
   1213	 */
   1214	u8 class_fail;
   1215	u16 class_fail_ethtype;
   1216
   1217	/* Override priority of output packets */
   1218	u8 sd_vlan_force_pri;
   1219	u8 sd_vlan_force_pri_val;
   1220
   1221	/* Replace vlan's ethertype */
   1222	u16 sd_vlan_eth_type;
   1223
   1224	/* Prevent inner vlans from being added by FW */
   1225	u8 no_added_tags;
   1226
   1227	/* Inner-to-Outer vlan priority mapping */
   1228	u8 c2s_pri[MAX_VLAN_PRIORITIES];
   1229	u8 c2s_pri_default;
   1230	u8 c2s_pri_valid;
   1231};
   1232
   1233struct bnx2x_func_switch_update_params {
   1234	unsigned long changes; /* BNX2X_F_UPDATE_XX bits */
   1235	u16 vlan;
   1236	u16 vlan_eth_type;
   1237	u8 vlan_force_prio;
   1238	u16 vxlan_dst_port;
   1239	u16 geneve_dst_port;
   1240};
   1241
   1242struct bnx2x_func_afex_update_params {
   1243	u16 vif_id;
   1244	u16 afex_default_vlan;
   1245	u8 allowed_priorities;
   1246};
   1247
   1248struct bnx2x_func_afex_viflists_params {
   1249	u16 vif_list_index;
   1250	u8 func_bit_map;
   1251	u8 afex_vif_list_command;
   1252	u8 func_to_clear;
   1253};
   1254
   1255struct bnx2x_func_tx_start_params {
   1256	struct priority_cos traffic_type_to_priority_cos[MAX_TRAFFIC_TYPES];
   1257	u8 dcb_enabled;
   1258	u8 dcb_version;
   1259	u8 dont_add_pri_0_en;
   1260	u8 dcb_outer_pri[MAX_TRAFFIC_TYPES];
   1261};
   1262
   1263struct bnx2x_func_set_timesync_params {
   1264	/* Reset, set or keep the current drift value */
   1265	u8 drift_adjust_cmd;
   1266
   1267	/* Dec, inc or keep the current offset */
   1268	u8 offset_cmd;
   1269
   1270	/* Drift value direction */
   1271	u8 add_sub_drift_adjust_value;
   1272
   1273	/* Drift, period and offset values to be used according to the commands
   1274	 * above.
   1275	 */
   1276	u8 drift_adjust_value;
   1277	u32 drift_adjust_period;
   1278	u64 offset_delta;
   1279};
   1280
   1281struct bnx2x_func_state_params {
   1282	struct bnx2x_func_sp_obj *f_obj;
   1283
   1284	/* Current command */
   1285	enum bnx2x_func_cmd cmd;
   1286
   1287	/* may have RAMROD_COMP_WAIT set only */
   1288	unsigned long	ramrod_flags;
   1289
   1290	/* Params according to the current command */
   1291	union {
   1292		struct bnx2x_func_hw_init_params hw_init;
   1293		struct bnx2x_func_hw_reset_params hw_reset;
   1294		struct bnx2x_func_start_params start;
   1295		struct bnx2x_func_switch_update_params switch_update;
   1296		struct bnx2x_func_afex_update_params afex_update;
   1297		struct bnx2x_func_afex_viflists_params afex_viflists;
   1298		struct bnx2x_func_tx_start_params tx_start;
   1299		struct bnx2x_func_set_timesync_params set_timesync;
   1300	} params;
   1301};
   1302
   1303struct bnx2x_func_sp_drv_ops {
   1304	/* Init tool + runtime initialization:
   1305	 *      - Common Chip
   1306	 *      - Common (per Path)
   1307	 *      - Port
   1308	 *      - Function phases
   1309	 */
   1310	int (*init_hw_cmn_chip)(struct bnx2x *bp);
   1311	int (*init_hw_cmn)(struct bnx2x *bp);
   1312	int (*init_hw_port)(struct bnx2x *bp);
   1313	int (*init_hw_func)(struct bnx2x *bp);
   1314
   1315	/* Reset Function HW: Common, Port, Function phases. */
   1316	void (*reset_hw_cmn)(struct bnx2x *bp);
   1317	void (*reset_hw_port)(struct bnx2x *bp);
   1318	void (*reset_hw_func)(struct bnx2x *bp);
   1319
   1320	/* Init/Free GUNZIP resources */
   1321	int (*gunzip_init)(struct bnx2x *bp);
   1322	void (*gunzip_end)(struct bnx2x *bp);
   1323
   1324	/* Prepare/Release FW resources */
   1325	int (*init_fw)(struct bnx2x *bp);
   1326	void (*release_fw)(struct bnx2x *bp);
   1327};
   1328
   1329struct bnx2x_func_sp_obj {
   1330	enum bnx2x_func_state	state, next_state;
   1331
   1332	/* BNX2X_FUNC_CMD_XX bits. This object implements "one
   1333	 * pending" paradigm but for debug and tracing purposes it's
   1334	 * more convenient to have different bits for different
   1335	 * commands.
   1336	 */
   1337	unsigned long		pending;
   1338
   1339	/* Buffer to use as a ramrod data and its mapping */
   1340	void			*rdata;
   1341	dma_addr_t		rdata_mapping;
   1342
   1343	/* Buffer to use as a afex ramrod data and its mapping.
   1344	 * This can't be same rdata as above because afex ramrod requests
   1345	 * can arrive to the object in parallel to other ramrod requests.
   1346	 */
   1347	void			*afex_rdata;
   1348	dma_addr_t		afex_rdata_mapping;
   1349
   1350	/* this mutex validates that when pending flag is taken, the next
   1351	 * ramrod to be sent will be the one set the pending bit
   1352	 */
   1353	struct mutex		one_pending_mutex;
   1354
   1355	/* Driver interface */
   1356	struct bnx2x_func_sp_drv_ops	*drv;
   1357
   1358	/**
   1359	 * Performs one state change according to the given parameters.
   1360	 *
   1361	 * @return 0 in case of success and negative value otherwise.
   1362	 */
   1363	int (*send_cmd)(struct bnx2x *bp,
   1364			struct bnx2x_func_state_params *params);
   1365
   1366	/**
   1367	 * Checks that the requested state transition is legal.
   1368	 */
   1369	int (*check_transition)(struct bnx2x *bp,
   1370				struct bnx2x_func_sp_obj *o,
   1371				struct bnx2x_func_state_params *params);
   1372
   1373	/**
   1374	 * Completes the pending command.
   1375	 */
   1376	int (*complete_cmd)(struct bnx2x *bp,
   1377			    struct bnx2x_func_sp_obj *o,
   1378			    enum bnx2x_func_cmd cmd);
   1379
   1380	int (*wait_comp)(struct bnx2x *bp, struct bnx2x_func_sp_obj *o,
   1381			 enum bnx2x_func_cmd cmd);
   1382};
   1383
   1384/********************** Interfaces ********************************************/
   1385/* Queueable objects set */
   1386union bnx2x_qable_obj {
   1387	struct bnx2x_vlan_mac_obj vlan_mac;
   1388};
   1389/************** Function state update *********/
   1390void bnx2x_init_func_obj(struct bnx2x *bp,
   1391			 struct bnx2x_func_sp_obj *obj,
   1392			 void *rdata, dma_addr_t rdata_mapping,
   1393			 void *afex_rdata, dma_addr_t afex_rdata_mapping,
   1394			 struct bnx2x_func_sp_drv_ops *drv_iface);
   1395
   1396int bnx2x_func_state_change(struct bnx2x *bp,
   1397			    struct bnx2x_func_state_params *params);
   1398
   1399enum bnx2x_func_state bnx2x_func_get_state(struct bnx2x *bp,
   1400					   struct bnx2x_func_sp_obj *o);
   1401/******************* Queue State **************/
   1402void bnx2x_init_queue_obj(struct bnx2x *bp,
   1403			  struct bnx2x_queue_sp_obj *obj, u8 cl_id, u32 *cids,
   1404			  u8 cid_cnt, u8 func_id, void *rdata,
   1405			  dma_addr_t rdata_mapping, unsigned long type);
   1406
   1407int bnx2x_queue_state_change(struct bnx2x *bp,
   1408			     struct bnx2x_queue_state_params *params);
   1409
   1410int bnx2x_get_q_logical_state(struct bnx2x *bp,
   1411			       struct bnx2x_queue_sp_obj *obj);
   1412
   1413/********************* VLAN-MAC ****************/
   1414void bnx2x_init_mac_obj(struct bnx2x *bp,
   1415			struct bnx2x_vlan_mac_obj *mac_obj,
   1416			u8 cl_id, u32 cid, u8 func_id, void *rdata,
   1417			dma_addr_t rdata_mapping, int state,
   1418			unsigned long *pstate, bnx2x_obj_type type,
   1419			struct bnx2x_credit_pool_obj *macs_pool);
   1420
   1421void bnx2x_init_vlan_obj(struct bnx2x *bp,
   1422			 struct bnx2x_vlan_mac_obj *vlan_obj,
   1423			 u8 cl_id, u32 cid, u8 func_id, void *rdata,
   1424			 dma_addr_t rdata_mapping, int state,
   1425			 unsigned long *pstate, bnx2x_obj_type type,
   1426			 struct bnx2x_credit_pool_obj *vlans_pool);
   1427
   1428void bnx2x_init_vlan_mac_obj(struct bnx2x *bp,
   1429			     struct bnx2x_vlan_mac_obj *vlan_mac_obj,
   1430			     u8 cl_id, u32 cid, u8 func_id, void *rdata,
   1431			     dma_addr_t rdata_mapping, int state,
   1432			     unsigned long *pstate, bnx2x_obj_type type,
   1433			     struct bnx2x_credit_pool_obj *macs_pool,
   1434			     struct bnx2x_credit_pool_obj *vlans_pool);
   1435
   1436int bnx2x_vlan_mac_h_read_lock(struct bnx2x *bp,
   1437					struct bnx2x_vlan_mac_obj *o);
   1438void bnx2x_vlan_mac_h_read_unlock(struct bnx2x *bp,
   1439				  struct bnx2x_vlan_mac_obj *o);
   1440int bnx2x_vlan_mac_h_write_lock(struct bnx2x *bp,
   1441				struct bnx2x_vlan_mac_obj *o);
   1442int bnx2x_config_vlan_mac(struct bnx2x *bp,
   1443			   struct bnx2x_vlan_mac_ramrod_params *p);
   1444
   1445int bnx2x_vlan_mac_move(struct bnx2x *bp,
   1446			struct bnx2x_vlan_mac_ramrod_params *p,
   1447			struct bnx2x_vlan_mac_obj *dest_o);
   1448
   1449/********************* RX MODE ****************/
   1450
   1451void bnx2x_init_rx_mode_obj(struct bnx2x *bp,
   1452			    struct bnx2x_rx_mode_obj *o);
   1453
   1454/**
   1455 * bnx2x_config_rx_mode - Send and RX_MODE ramrod according to the provided parameters.
   1456 *
   1457 * @p: Command parameters
   1458 *
   1459 * Return: 0 - if operation was successful and there is no pending completions,
   1460 *         positive number - if there are pending completions,
   1461 *         negative - if there were errors
   1462 */
   1463int bnx2x_config_rx_mode(struct bnx2x *bp,
   1464			 struct bnx2x_rx_mode_ramrod_params *p);
   1465
   1466/****************** MULTICASTS ****************/
   1467
   1468void bnx2x_init_mcast_obj(struct bnx2x *bp,
   1469			  struct bnx2x_mcast_obj *mcast_obj,
   1470			  u8 mcast_cl_id, u32 mcast_cid, u8 func_id,
   1471			  u8 engine_id, void *rdata, dma_addr_t rdata_mapping,
   1472			  int state, unsigned long *pstate,
   1473			  bnx2x_obj_type type);
   1474
   1475/**
   1476 * bnx2x_config_mcast - Configure multicast MACs list.
   1477 *
   1478 * @cmd: command to execute: BNX2X_MCAST_CMD_X
   1479 *
   1480 * May configure a new list
   1481 * provided in p->mcast_list (BNX2X_MCAST_CMD_ADD), clean up
   1482 * (BNX2X_MCAST_CMD_DEL) or restore (BNX2X_MCAST_CMD_RESTORE) a current
   1483 * configuration, continue to execute the pending commands
   1484 * (BNX2X_MCAST_CMD_CONT).
   1485 *
   1486 * If previous command is still pending or if number of MACs to
   1487 * configure is more that maximum number of MACs in one command,
   1488 * the current command will be enqueued to the tail of the
   1489 * pending commands list.
   1490 *
   1491 * Return: 0 is operation was successful and there are no pending completions,
   1492 *         negative if there were errors, positive if there are pending
   1493 *         completions.
   1494 */
   1495int bnx2x_config_mcast(struct bnx2x *bp,
   1496		       struct bnx2x_mcast_ramrod_params *p,
   1497		       enum bnx2x_mcast_cmd cmd);
   1498
   1499/****************** CREDIT POOL ****************/
   1500void bnx2x_init_mac_credit_pool(struct bnx2x *bp,
   1501				struct bnx2x_credit_pool_obj *p, u8 func_id,
   1502				u8 func_num);
   1503void bnx2x_init_vlan_credit_pool(struct bnx2x *bp,
   1504				 struct bnx2x_credit_pool_obj *p, u8 func_id,
   1505				 u8 func_num);
   1506void bnx2x_init_credit_pool(struct bnx2x_credit_pool_obj *p,
   1507			    int base, int credit);
   1508
   1509/****************** RSS CONFIGURATION ****************/
   1510void bnx2x_init_rss_config_obj(struct bnx2x *bp,
   1511			       struct bnx2x_rss_config_obj *rss_obj,
   1512			       u8 cl_id, u32 cid, u8 func_id, u8 engine_id,
   1513			       void *rdata, dma_addr_t rdata_mapping,
   1514			       int state, unsigned long *pstate,
   1515			       bnx2x_obj_type type);
   1516
   1517/**
   1518 * bnx2x_config_rss - Updates RSS configuration according to provided parameters
   1519 *
   1520 * Return: 0 in case of success
   1521 */
   1522int bnx2x_config_rss(struct bnx2x *bp,
   1523		     struct bnx2x_config_rss_params *p);
   1524
   1525/**
   1526 * bnx2x_get_rss_ind_table - Return the current ind_table configuration.
   1527 *
   1528 * @ind_table: buffer to fill with the current indirection
   1529 *                  table content. Should be at least
   1530 *                  T_ETH_INDIRECTION_TABLE_SIZE bytes long.
   1531 */
   1532void bnx2x_get_rss_ind_table(struct bnx2x_rss_config_obj *rss_obj,
   1533			     u8 *ind_table);
   1534
   1535#define PF_MAC_CREDIT_E2(bp, func_num)					\
   1536	((MAX_MAC_CREDIT_E2 - GET_NUM_VFS_PER_PATH(bp) * VF_MAC_CREDIT_CNT) / \
   1537	 func_num + GET_NUM_VFS_PER_PF(bp) * VF_MAC_CREDIT_CNT)
   1538
   1539#define BNX2X_VFS_VLAN_CREDIT(bp)	\
   1540	(GET_NUM_VFS_PER_PATH(bp) * VF_VLAN_CREDIT_CNT)
   1541
   1542#define PF_VLAN_CREDIT_E2(bp, func_num)					 \
   1543	((MAX_VLAN_CREDIT_E2 - 1 - BNX2X_VFS_VLAN_CREDIT(bp)) /	\
   1544	 func_num + GET_NUM_VFS_PER_PF(bp) * VF_VLAN_CREDIT_CNT)
   1545
   1546#endif /* BNX2X_SP_VERBS */