/* bnx2x_sp.h: Broadcom Everest network driver.
*
* Copyright (c) 2011-2013 Broadcom Corporation
*
* Unless you and Broadcom execute a separate written software license
* agreement governing use of this software, this software is licensed to you
* under the terms of the GNU General Public License version 2, available
* at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
*
* Notwithstanding the above, under no circumstances may you combine this
* software in any way with any other Broadcom software provided under a
* license other than the GPL, without Broadcom's express prior written
* consent.
*
* Maintained by: Eilon Greenstein <eilong@broadcom.com>
* Written by: Vladislav Zolotarov
*
*/
#ifndef BNX2X_SP_VERBS
#define BNX2X_SP_VERBS
struct bnx2x;
struct eth_context;
/* Bits representing general command's configuration */
enum {
RAMROD_TX,
RAMROD_RX,
/* Wait until all pending commands complete */
RAMROD_COMP_WAIT,
/* Don't send a ramrod, only update a registry */
RAMROD_DRV_CLR_ONLY,
/* Configure HW according to the current object state */
RAMROD_RESTORE,
/* Execute the next command now */
RAMROD_EXEC,
/* Don't add a new command and continue execution of postponed
* commands. If not set a new command will be added to the
* pending commands list.
*/
RAMROD_CONT,
/* If there is another pending ramrod, wait until it finishes and
* re-try to submit this one. This flag can be set only in sleepable
* context, and should not be set from the context that completes the
* ramrods as deadlock will occur.
*/
RAMROD_RETRY,
};
typedef enum {
BNX2X_OBJ_TYPE_RX,
BNX2X_OBJ_TYPE_TX,
BNX2X_OBJ_TYPE_RX_TX,
} bnx2x_obj_type;
/* Public slow path states */
enum {
BNX2X_FILTER_MAC_PENDING,
BNX2X_FILTER_VLAN_PENDING,
BNX2X_FILTER_VLAN_MAC_PENDING,
BNX2X_FILTER_RX_MODE_PENDING,
BNX2X_FILTER_RX_MODE_SCHED,
BNX2X_FILTER_ISCSI_ETH_START_SCHED,
BNX2X_FILTER_ISCSI_ETH_STOP_SCHED,
BNX2X_FILTER_FCOE_ETH_START_SCHED,
BNX2X_FILTER_FCOE_ETH_STOP_SCHED,
BNX2X_FILTER_MCAST_PENDING,
BNX2X_FILTER_MCAST_SCHED,
BNX2X_FILTER_RSS_CONF_PENDING,
BNX2X_AFEX_FCOE_Q_UPDATE_PENDING,
BNX2X_AFEX_PENDING_VIFSET_MCP_ACK
};
struct bnx2x_raw_obj {
u8 func_id;
/* Queue params */
u8 cl_id;
u32 cid;
/* Ramrod data buffer params */
void *rdata;
dma_addr_t rdata_mapping;
/* Ramrod state params */
int state; /* "ramrod is pending" state bit */
unsigned long *pstate; /* pointer to state buffer */
bnx2x_obj_type obj_type;
int (*wait_comp)(struct bnx2x *bp,
struct bnx2x_raw_obj *o);
bool (*check_pending)(struct bnx2x_raw_obj *o);
void (*clear_pending)(struct bnx2x_raw_obj *o);
void (*set_pending)(struct bnx2x_raw_obj *o);
};
/************************* VLAN-MAC commands related parameters ***************/
struct bnx2x_mac_ramrod_data {
u8 mac[ETH_ALEN];
u8 is_inner_mac;
};
struct bnx2x_vlan_ramrod_data {
u16 vlan;
};
struct bnx2x_vlan_mac_ramrod_data {
u8 mac[ETH_ALEN];
u8 is_inner_mac;
u16 vlan;
};
union bnx2x_classification_ramrod_data {
struct bnx2x_mac_ramrod_data mac;
struct bnx2x_vlan_ramrod_data vlan;
struct bnx2x_vlan_mac_ramrod_data vlan_mac;
};
/* VLAN_MAC commands */
enum bnx2x_vlan_mac_cmd {
BNX2X_VLAN_MAC_ADD,
BNX2X_VLAN_MAC_DEL,
BNX2X_VLAN_MAC_MOVE,
};
struct bnx2x_vlan_mac_data {
/* Requested command: BNX2X_VLAN_MAC_XX */
enum bnx2x_vlan_mac_cmd cmd;
/* used to contain the data related vlan_mac_flags bits from
* ramrod parameters.
*/
unsigned long vlan_mac_flags;
/* Needed for MOVE command */
struct bnx2x_vlan_mac_obj *target_obj;
union bnx2x_classification_ramrod_data u;
};
/*************************** Exe Queue obj ************************************/
union bnx2x_exe_queue_cmd_data {
struct bnx2x_vlan_mac_data vlan_mac;
struct {
/* TODO */
} mcast;
};
struct bnx2x_exeq_elem {
struct list_head link;
/* Length of this element in the exe_chunk. */
int cmd_len;
union bnx2x_exe_queue_cmd_data cmd_data;
};
union bnx2x_qable_obj;
union bnx2x_exeq_comp_elem {
union event_ring_elem *elem;
};
struct bnx2x_exe_queue_obj;
typedef int (*exe_q_validate)(struct bnx2x *bp,
union bnx2x_qable_obj *o,
struct bnx2x_exeq_elem *elem);
typedef int (*exe_q_remove)(struct bnx2x *bp,
union bnx2x_qable_obj *o,
struct bnx2x_exeq_elem *elem);
/* Return positive if entry was optimized, 0 - if not, negative
* in case of an error.
*/
typedef int (*exe_q_optimize)(struct bnx2x *bp,
union bnx2x_qable_obj *o,
struct bnx2x_exeq_elem *elem);
typedef int (*exe_q_execute)(struct bnx2x *bp,
union bnx2x_qable_obj *o,
struct list_head *exe_chunk,
unsigned long *ramrod_flags);
typedef struct bnx2x_exeq_elem *
(*exe_q_get)(struct bnx2x_exe_queue_obj *o,
struct bnx2x_exeq_elem *elem);
struct bnx2x_exe_queue_obj {
/* Commands pending for an execution. */
struct list_head exe_queue;
/* Commands pending for an completion. */
struct list_head pending_comp;
spinlock_t lock;
/* Maximum length of commands' list for one execution */
int exe_chunk_len;
union bnx2x_qable_obj *owner;
/****** Virtual functions ******/
/**
* Called before commands execution for commands that are really
* going to be executed (after 'optimize').
*
* Must run under exe_queue->lock
*/
exe_q_validate validate;
/**
* Called before removing pending commands, cleaning allocated
* resources (e.g., credits from validate)
*/
exe_q_remove remove;
/**
* This will try to cancel the current pending commands list
* considering the new command.
*
* Returns the number of optimized commands or a negative error code
*
* Must run under exe_queue->lock
*/
exe_q_optimize optimize;
/**
* Run the next commands chunk (owner specific).
*/
exe_q_execute execute;
/**
* Return the exe_queue element containing the specific command
* if any. Otherwise return NULL.
*/
exe_q_get get;
};
/***************** Classification verbs: Set/Del MAC/VLAN/VLAN-MAC ************/
/*
* Element in the VLAN_MAC registry list having all currently configured
* rules.
*/
struct bnx2x_vlan_mac_registry_elem {
struct list_head link;
/* Used to store the cam offset used for the mac/vlan/vlan-mac.
* Relevant for 57710 and 57711 only. VLANs and MACs share the
* same CAM for these chips.
*/
int cam_offset;
/* Needed for DEL and RESTORE flows */
unsigned long vlan_mac_flags;
union bnx2x_classification_ramrod_data u;
};
/* Bits representing VLAN_MAC commands specific flags */
enum {
BNX2X_UC_LIST_MAC,
BNX2X_ETH_MAC,
BNX2X_ISCSI_ETH_MAC,
BNX2X_NETQ_ETH_MAC,
BNX2X_DONT_CONSUME_CAM_CREDIT,
BNX2X_DONT_CONSUME_CAM_CREDIT_DEST,
};
/* When looking for matching filters, some flags are not interesting */
#define BNX2X_VLAN_MAC_CMP_MASK (1 << BNX2X_UC_LIST_MAC | \
1 << BNX2X_ETH_MAC | \
1 << BNX2X_ISCSI_ETH_MAC | \
1 << BNX2X_NETQ_ETH_MAC)
#define BNX2X_VLAN_MAC_CMP_FLAGS(flags) \
((flags) & BNX2X_VLAN_MAC_CMP_MASK)
struct bnx2x_vlan_mac_ramrod_params {
/* Object to run the command from */
struct bnx2x_vlan_mac_obj *vlan_mac_obj;
/* General command flags: COMP_WAIT, etc. */
unsigned long ramrod_flags;
/* Command specific configuration request */
struct bnx2x_vlan_mac_data user_req;
};
struct bnx2x_vlan_mac_obj {
struct bnx2x_raw_obj raw;
/* Bookkeeping list: will prevent the addition of already existing
* entries.
*/
struct list_head head;
/* Implement a simple reader/writer lock on the head list.
* all these fields should only be accessed under the exe_queue lock
*/
u8 head_reader; /* Num. of readers accessing head list */
bool head_exe_request; /* Pending execution request. */
unsigned long saved_ramrod_flags; /* Ramrods of pending execution */
/* TODO: Add it's initialization in the init functions */
struct bnx2x_exe_queue_obj exe_queue;
/* MACs credit pool */
struct bnx2x_credit_pool_obj *macs_pool;
/* VLANs credit pool */
struct bnx2x_credit_pool_obj *vlans_pool;
/* RAMROD command to be used */
int ramrod_cmd;
/* copy first n elements onto preallocated buffer
*
* @param n number of elements to get
* @param buf buffer preallocated by caller into which elements
* will be copied. Note elements are 4-byte aligned
* so buffer size must be able to accommodate the
* aligned elements.
*
* @return number of copied bytes
*/
int (*get_n_elements)(struct bnx2x *bp,
struct bnx2x_vlan_mac_obj *o, int n, u8 *base,
u8 stride, u8 size);
/**
* Checks if ADD-ramrod with the given params may be performed.
*
* @return zero if the element may be added
*/
int (*check_add)(struct bnx2x *bp,
struct bnx2x_vlan_mac_obj *o,
union bnx2x_classification_ramrod_data *data);
/**
* Checks if DEL-ramrod with the given params may be performed.
*
* @return true if the element may be deleted
*/
struct bnx2x_vlan_mac_registry_elem *
(*check_del)(struct bnx2x *bp,
struct bnx2x_vlan_mac_obj *o,
union bnx2x_classification_ramrod_data *data);
/**
* Checks if DEL-ramrod with the given params may be performed.
*
* @return true if the element may be deleted
*/
bool (*check_move)(struct bnx2x *bp,
struct bnx2x_vlan_mac_obj *src_o,
struct bnx2x_vlan_mac_obj *dst_o,
union bnx2x_classification_ramrod_data *data);
/**
* Update the relevant credit object(s) (consume/return
* correspondingly).
*/
bool (*get_credit)(struct bnx2x_vlan_mac_obj *o);
bool (*put_credit)(struct bnx2x_vlan_mac_obj *o);
bool (*get_cam_offset)(struct bnx2x_vlan_mac_obj *o, int *offset);
bool (*put_cam_offset)(struct bnx2x_vlan_mac_obj *o, int offset);
/**
* Configures one rule in the ramrod data buffer.
*/
void (*set_one_rule)(struct bnx2x *bp,
struct bnx2x_vlan_mac_obj *o,
struct bnx2x_exeq_elem *elem, int rule_idx,
int cam_offset);
/**
* Delete all configured elements having the given
* vlan_mac_flags specification. Assumes no pending for
* execution commands. Will schedule all all currently
* configured MACs/VLANs/VLAN-MACs matching the vlan_mac_flags
* specification for deletion and will use the given
* ramrod_flags for the last DEL operation.
*
* @param bp
* @param o
* @param ramrod_flags RAMROD_XX flags
*
* @return 0 if the last operation has completed successfully
* and there are no more elements left, positive value
* if there are pending for completion commands,
* negative value in case of failure.
*/
int (*delete_all)(struct bnx2x *bp,
struct bnx2x_vlan_mac_obj *o,
unsigned long *vlan_mac_flags,
unsigned long *ramrod_flags);
/**
* Reconfigures the next MAC/VLAN/VLAN-MAC element from the previously
* configured elements list.
*
* @param bp
* @param p Command parameters (RAMROD_COMP_WAIT bit in
* ramrod_flags is only taken into an account)
* @param ppos a pointer to the cookie that should be given back in the
* next call to make function handle the next element. If
* *ppos is set to NULL it will restart the iterator.
* If returned *ppos == NULL this means that the last
* element has been handled.
*
* @return int
*/
int (*restore)(struct bnx2x *bp,
struct bnx2x_vlan_mac_ramrod_params *p,
struct bnx2x_vlan_mac_registry_elem **ppos);
/**
* Should be called on a completion arrival.
*
* @param bp
* @param o
* @param cqe Completion element we are handling
* @param ramrod_flags if RAMROD_CONT is set the next bulk of
* pending commands will be executed.
* RAMROD_DRV_CLR_ONLY and RAMROD_RESTORE
* may also be set if needed.
*
* @return 0 if there are neither pending nor waiting for
* completion commands. Positive value if there are
* pending for execution or for completion commands.
* Negative value in case of an error (including an
* error in the cqe).
*/
int (*complete)(struct bnx2x *bp, struct bnx2x_vlan_mac_obj *o,
union event_ring_elem *cqe,
unsigned long *ramrod_flags);
/**
* Wait for completion of all commands. Don't schedule new ones,
* just wait. It assumes that the completion code will schedule
* for new commands.
*/
int (*wait)(struct bnx2x *bp, struct bnx2x_vlan_mac_obj *o);
};
enum {
BNX2X_LLH_CAM_ISCSI_ETH_LINE = 0,
BNX2X_LLH_CAM_ETH_LINE,
BNX2X_LLH_CAM_MAX_PF_LINE = NIG_REG_LLH1_FUNC_MEM_SIZE / 2
};
/** RX_MODE verbs:DROP_ALL/ACCEPT_ALL/ACCEPT_ALL_MULTI/ACCEPT_ALL_VLAN/NORMAL */
/* RX_MODE ramrod special flags: set in rx_mode_flags field in
* a bnx2x_rx_mode_ramrod_params.
*/
enum {
BNX2X_RX_MODE_FCOE_ETH,
BNX2X_RX_MODE_ISCSI_ETH,
};
enum {
BNX2X_ACCEPT_UNICAST,
BNX2X_ACCEPT_MULTICAST,
BNX2X_ACCEPT_ALL_UNICAST,
BNX2X_ACCEPT_ALL_MULTICAST,
BNX2X_ACCEPT_BROADCAST,
BNX2X_ACCEPT_UNMATCHED,
BNX2X_ACCEPT_ANY_VLAN
};
struct bnx2x_rx_mode_ramrod_params {
struct bnx2x_rx_mode_obj *rx_mode_obj;
unsigned long *pstate;
int state;
u8 cl_id;
u32 cid;
u8 func_id;
unsigned long ramrod_flags;
unsigned long rx_mode_flags;
/* rdata is either a pointer to eth_filter_rules_ramrod_data(e2) or to
* a tstorm_eth_mac_filter_config (e1x).
*/
void *rdata;
dma_addr_t rdata_mapping;
/* Rx mode settings */
unsigned long rx_accept_flags;
/* internal switching settings */
unsigned long tx_accept_flags;
};
struct bnx2x_rx_mode_obj {
int (*config_rx_mode)(struct bnx2x *bp,
struct bnx2x_rx_mode_ramrod_params *p);
int (*wait_comp)(struct bnx2x *bp,
struct bnx2x_rx_mode_ramrod_params *p);
};
/********************** Set multicast group ***********************************/
struct bnx2x_mcast_list_elem {
struct list_head link;
u8 *mac;
};
union bnx2x_mcast_config_data {
u8 *mac;
u8 bin; /* used in a RESTORE flow */
};
struct bnx2x_mcast_ramrod_params {
struct bnx2x_mcast_obj *mcast_obj;
/* Relevant options are RAMROD_COMP_WAIT and RAMROD_DRV_CLR_ONLY */
unsigned long ramrod_flags;
struct list_head mcast_list; /* list of struct bnx2x_mcast_list_elem */
/** TODO:
* - rename it to macs_num.
* - Add a new command type for handling pending commands
* (remove "zero semantics").
*
* Length of mcast_list. If zero and ADD_CONT command - post
* pending commands.
*/
int mcast_list_len;
};
enum bnx2x_mcast_cmd {
BNX2X_MCAST_CMD_ADD,
BNX2X_MCAST_CMD_CONT,
BNX2X_MCAST_CMD_DEL,
BNX2X_MCAST_CMD_RESTORE,
};
struct bnx2x_mcast_obj {
struct bnx2x_raw_obj raw;
union {
struct {
#define BNX2X_MCAST_BINS_NUM 256
#define BNX2X_MCAST_VEC_SZ (BNX2X_MCAST_BINS_NUM / 64)
u64 vec[BNX2X_MCAST_VEC_SZ];
/** Number of BINs to clear. Should be updated
* immediately when a command arrives in order to
* properly create DEL commands.
*/
int num_bins_set;
} aprox_match;
struct {
struct list_head macs;
int num_macs_set;
} exact_match;
} registry;
/* Pending commands */
struct list_head pending_cmds_head;
/* A state that is set in raw.pstate, when there are pending commands */
int sched_state;
/* Maximal number of mcast MACs configured in one command */
int max_cmd_len;
/* Total number of currently pending MACs to configure: both
* in the pending commands list and in the current command.
*/
int total_pending_num;
u8 engine_id;
/**
* @param cmd command to execute (BNX2X_MCAST_CMD_X, see above)
*/
int (*config_mcast)(struct bnx2x *bp,
struct bnx2x_mcast_ramrod_params *p,
enum bnx2x_mcast_cmd cmd);
/**
* Fills the ramrod data during the RESTORE flow.
*
* @param bp
* @param o
* @param start_idx Registry index to start from
* @param rdata_idx Index in the ramrod data to start from
*
* @return -1 if we handled the whole registry or index of the last
* handled registry element.
*/
int (*hdl_restore)(struct bnx2x *bp, struct bnx2x_mcast_obj *o,
int start_bin, int *rdata_idx);
int (*enqueue_cmd)(struct bnx2x *bp, struct bnx2x_mcast_obj *o,
struct bnx2x_mcast_ramrod_params *p,
enum bnx2x_mcast_cmd cmd);
void (*set_one_rule)(struct bnx2x *bp,
struct bnx2x_mcast_obj *o, int idx,
union bnx2x_mcast_config_data *cfg_data,
enum bnx2x_mcast_cmd cmd);
/** Checks if there are more mcast MACs to be set or a previous
* command is still pending.
*/
bool (*check_pending)(struct bnx2x_mcast_obj *o);
/**
* Set/Clear/Check SCHEDULED state of the object
*/
void (*set_sched)(struct bnx2x_mcast_obj *o);
void (*clear_sched)(struct bnx2x_mcast_obj *o);
bool (*check_sched)(struct bnx2x_mcast_obj *o);
/* Wait until all pending commands complete */
int (*wait_comp)(struct bnx2x *bp, struct bnx2x_mcast_obj *o);
/**
* Handle the internal object counters needed for proper
* commands handling. Checks that the provided parameters are
* feasible.
*/
int (*validate)(struct bnx2x *bp,
struct bnx2x_mcast_ramrod_params *p,
enum bnx2x_mcast_cmd cmd);
/**
* Restore the values of internal counters in case of a failure.
*/
void (*revert)(struct bnx2x *bp,
struct bnx2x_mcast_ramrod_params *p,
int old_num_bins);
int (*get_registry_size)(struct bnx2x_mcast_obj *o);
void (*set_registry_size)(struct bnx2x_mcast_obj *o, int n);
};
/*************************** Credit handling **********************************/
struct bnx2x_credit_pool_obj {
/* Current amount of credit in the pool */
atomic_t credit;
/* Maximum allowed credit. put() will check against it. */
int pool_sz;
/* Allocate a pool table statically.
*
* Currently the maximum allowed size is MAX_MAC_CREDIT_E2(272)
*
* The set bit in the table will mean that the entry is available.
*/
#define BNX2X_POOL_VEC_SIZE (MAX_MAC_CREDIT_E2 / 64)
u64 pool_mirror[BNX2X_POOL_VEC_SIZE];
/* Base pool offset (initialized differently */
int base_pool_offset;
/**
* Get the next free pool entry.
*
* @return true if there was a free entry in the pool
*/
bool (*get_entry)(struct bnx2x_credit_pool_obj *o, int *entry);
/**
* Return the entry back to the pool.
*
* @return true if entry is legal and has been successfully
* returned to the pool.
*/
bool (*put_entry)(struct bnx2x_credit_pool_obj *o, int entry);
/**
* Get the requested amount of credit from the pool.
*
* @param cnt Amount of requested credit
* @return true if the operation is successful
*/
bool (*get)(struct bnx2x_credit_pool_obj *o, int cnt);
/**
* Returns the credit to the pool.
*
* @param cnt Amount of credit to return
* @return true if the operation is successful
*/
bool (*put)(struct bnx2x_credit_pool_obj *o, int cnt);
/**
* Reads the current amount of credit.
*/
int (*check)(struct bnx2x_credit_pool_obj *o);
};
/*************************** RSS configuration ********************************/
enum {
/* RSS_MODE bits are mutually exclusive */
BNX2X_RSS_MODE_DISABLED,
BNX2X_RSS_MODE_REGULAR,
BNX2X_RSS_SET_SRCH, /* Setup searcher, E1x specific flag */
BNX2X_RSS_IPV4,
BNX2X_RSS_IPV4_TCP,
BNX2X_RSS_IPV4_UDP,
BNX2X_RSS_IPV6,
BNX2X_RSS_IPV6_TCP,
BNX2X_RSS_IPV6_UDP,
};
struct bnx2x_config_rss_params {
struct bnx2x_rss_config_obj *rss_obj;
/* may have RAMROD_COMP_WAIT set only */
unsigned long ramrod_flags;
/* BNX2X_RSS_X bits */
unsigned long rss_flags;
/* Number hash bits to take into an account */
u8 rss_result_mask;
/* Indirection table */
u8 ind_table[T_ETH_INDIRECTION_TABLE_SIZE];
/* RSS hash values */
u32 rss_key[10];
/* valid only iff BNX2X_RSS_UPDATE_TOE is set */
u16 toe_rss_bitmap;
};
struct bnx2x_rss_config_obj {
struct bnx2x_raw_obj raw;
/* RSS engine to use */
u8 engine_id;
/* Last configured indirection table */
u8 ind_table[T_ETH_INDIRECTION_TABLE_SIZE];
/* flags for enabling 4-tupple hash on UDP */
u8 udp_rss_v4;
u8 udp_rss_v6;
int (*config_rss)(struct bnx2x *bp,
struct bnx2x_config_rss_params *p);
};
/*********************** Queue state update ***********************************/
/* UPDATE command options */
enum {
BNX2X_Q_UPDATE_IN_VLAN_REM,
BNX2X_Q_UPDATE_IN_VLAN_REM_CHNG,
BNX2X_Q_UPDATE_OUT_VLAN_REM,
BNX2X_Q_UPDATE_OUT_VLAN_REM_CHNG,
BNX2X_Q_UPDATE_ANTI_SPOOF,
BNX2X_Q_UPDATE_ANTI_SPOOF_CHNG,
BNX2X_Q_UPDATE_ACTIVATE,
BNX2X_Q_UPDATE_ACTIVATE_CHNG,
BNX2X_Q_UPDATE_DEF_VLAN_EN,
BNX2X_Q_UPDATE_DEF_VLAN_EN_CHNG,
BNX2X_Q_UPDATE_SILENT_VLAN_REM_CHNG,
BNX2X_Q_UPDATE_SILENT_VLAN_REM,
BNX2X_Q_UPDATE_TX_SWITCHING_CHNG,
BNX2X_Q_UPDATE_TX_SWITCHING
};
/* Allowed Queue states */
enum bnx2x_q_state {
BNX2X_Q_STATE_RESET,
BNX2X_Q_STATE_INITIALIZED,
BNX2X_Q_STATE_ACTIVE,
BNX2X_Q_STATE_MULTI_COS,
BNX2X_Q_STATE_MCOS_TERMINATED,
BNX2X_Q_STATE_INACTIVE,
BNX2X_Q_STATE_STOPPED,
BNX2X_Q_STATE_TERMINATED,
BNX2X_Q_STATE_FLRED,
BNX2X_Q_STATE_MAX,
};
/* Allowed Queue states */
enum bnx2x_q_logical_state {
BNX2X_Q_LOGICAL_STATE_ACTIVE,
BNX2X_Q_LOGICAL_STATE_STOPPED,
};
/* Allowed commands */
enum bnx2x_queue_cmd {
BNX2X_Q_CMD_INIT,
BNX2X_Q_CMD_SETUP,
BNX2X_Q_CMD_SETUP_TX_ONLY,
BNX2X_Q_CMD_DEACTIVATE,
BNX2X_Q_CMD_ACTIVATE,
BNX2X_Q_CMD_UPDATE,
BNX2X_Q_CMD_UPDATE_TPA,
BNX2X_Q_CMD_HALT,
BNX2X_Q_CMD_CFC_DEL,
BNX2X_Q_CMD_TERMINATE,
BNX2X_Q_CMD_EMPTY,
BNX2X_Q_CMD_MAX,
};
/* queue SETUP + INIT flags */
enum {
BNX2X_Q_FLG_TPA,
BNX2X_Q_FLG_TPA_IPV6,
BNX2X_Q_FLG_TPA_GRO,
BNX2X_Q_FLG_STATS,
BNX2X_Q_FLG_ZERO_STATS,
BNX2X_Q_FLG_ACTIVE,
BNX2X_Q_FLG_OV,
BNX2X_Q_FLG_VLAN,
BNX2X_Q_FLG_COS,
BNX2X_Q_FLG_HC,
BNX2X_Q_FLG_HC_EN,
BNX2X_Q_FLG_DHC,
BNX2X_Q_FLG_FCOE,
BNX2X_Q_FLG_LEADING_RSS,
BNX2X_Q_FLG_MCAST,
BNX2X_Q_FLG_DEF_VLAN,
BNX2X_Q_FLG_TX_SWITCH,
BNX2X_Q_FLG_TX_SEC,
BNX2X_Q_FLG_ANTI_SPOOF,
BNX2X_Q_FLG_SILENT_VLAN_REM,
BNX2X_Q_FLG_FORCE_DEFAULT_PRI,
BNX2X_Q_FLG_PCSUM_ON_PKT,
BNX2X_Q_FLG_TUN_INC_INNER_IP_ID
};
/* Queue type options: queue type may be a combination of below. */
enum bnx2x_q_type {
/** TODO: Consider moving both these flags into the init()
* ramrod params.
*/
BNX2X_Q_TYPE_HAS_RX,
BNX2X_Q_TYPE_HAS_TX,
};
#define BNX2X_PRIMARY_CID_INDEX 0
#define BNX2X_MULTI_TX_COS_E1X 3 /* QM only */
#define BNX2X_MULTI_TX_COS_E2_E3A0 2
#define BNX2X_MULTI_TX_COS_E3B0 3
#define BNX2X_MULTI_TX_COS 3 /* Maximum possible */
#define MAC_PAD (ALIGN(ETH_ALEN, sizeof(u32)) - ETH_ALEN)
struct bnx2x_queue_init_params {
struct {
unsigned long flags;
u16 hc_rate;
u8 fw_sb_id;
u8 sb_cq_index;
} tx;
struct {
unsigned long flags;
u16 hc_rate;
u8 fw_sb_id;
u8 sb_cq_index;
} rx;
/* CID context in the host memory */
struct eth_context *cxts[BNX2X_MULTI_TX_COS];
/* maximum number of cos supported by hardware */
u8 max_cos;
};
struct bnx2x_queue_terminate_params {
/* index within the tx_only cids of this queue object */
u8 cid_index;
};
struct bnx2x_queue_cfc_del_params {
/* index within the tx_only cids of this queue object */
u8 cid_index;
};
struct bnx2x_queue_update_params {
unsigned long update_flags; /* BNX2X_Q_UPDATE_XX bits */
u16 def_vlan;
u16 silent_removal_value;
u16 silent_removal_mask;
/* index within the tx_only cids of this queue object */
u8 cid_index;
};
struct rxq_pause_params {
u16 bd_th_lo;
u16 bd_th_hi;
u16 rcq_th_lo;
u16 rcq_th_hi;
u16 sge_th_lo; /* valid iff BNX2X_Q_FLG_TPA */
u16 sge_th_hi; /* valid iff BNX2X_Q_FLG_TPA */
u16 pri_map;
};
/* general */
struct bnx2x_general_setup_params {
/* valid iff BNX2X_Q_FLG_STATS */
u8 stat_id;
u8 spcl_id;
u16 mtu;
u8 cos;
};
struct bnx2x_rxq_setup_params {
/* dma */
dma_addr_t dscr_map;
dma_addr_t sge_map;
dma_addr_t rcq_map;
dma_addr_t rcq_np_map;
u16 drop_flags;
u16 buf_sz;
u8 fw_sb_id;
u8 cl_qzone_id;
/* valid iff BNX2X_Q_FLG_TPA */
u16 tpa_agg_sz;
u16 sge_buf_sz;
u8 max_sges_pkt;
u8 max_tpa_queues;
u8 rss_engine_id;
/* valid iff BNX2X_Q_FLG_MCAST */
u8 mcast_engine_id;
u8 cache_line_log;
u8 sb_cq_index;
/* valid iff BXN2X_Q_FLG_SILENT_VLAN_REM */
u16 silent_removal_value;
u16 silent_removal_mask;
};
struct bnx2x_txq_setup_params {
/* dma */
dma_addr_t dscr_map;
u8 fw_sb_id;
u8 sb_cq_index;
u8 cos; /* valid iff BNX2X_Q_FLG_COS */
u16 traffic_type;
/* equals to the leading rss client id, used for TX classification*/
u8 tss_leading_cl_id;
/* valid iff BNX2X_Q_FLG_DEF_VLAN */
u16 default_vlan;
};
struct bnx2x_queue_setup_params {
struct bnx2x_general_setup_params gen_params;
struct bnx2x_txq_setup_params txq_params;
struct bnx2x_rxq_setup_params rxq_params;
struct rxq_pause_params pause_params;
unsigned long flags;
};
struct bnx2x_queue_setup_tx_only_params {
struct bnx2x_general_setup_params gen_params;
struct bnx2x_txq_setup_params txq_params;
unsigned long flags;
/* index within the tx_only cids of this queue object */
u8 cid_index;
};
struct bnx2x_queue_state_params {
struct bnx2x_queue_sp_obj *q_obj;
/* Current command */
enum bnx2x_queue_cmd cmd;
/* may have RAMROD_COMP_WAIT set only */
unsigned long ramrod_flags;
/* Params according to the current command */
union {
struct bnx2x_queue_update_params update;
struct bnx2x_queue_setup_params setup;
struct bnx2x_queue_init_params init;
struct bnx2x_queue_setup_tx_only_params tx_only;
struct bnx2x_queue_terminate_params terminate;
struct bnx2x_queue_cfc_del_params cfc_del;
} params;
};
struct bnx2x_viflist_params {
u8 echo_res;
u8 func_bit_map_res;
};
struct bnx2x_queue_sp_obj {
u32 cids[BNX2X_MULTI_TX_COS];
u8 cl_id;
u8 func_id;
/* number of traffic classes supported by queue.
* The primary connection of the queue supports the first traffic
* class. Any further traffic class is supported by a tx-only
* connection.
*
* Therefore max_cos is also a number of valid entries in the cids
* array.
*/
u8 max_cos;
u8 num_tx_only, next_tx_only;
enum bnx2x_q_state state, next_state;
/* bits from enum bnx2x_q_type */
unsigned long type;
/* BNX2X_Q_CMD_XX bits. This object implements "one
* pending" paradigm but for debug and tracing purposes it's
* more convenient to have different bits for different
* commands.
*/
unsigned long pending;
/* Buffer to use as a ramrod data and its mapping */
void *rdata;
dma_addr_t rdata_mapping;
/**
* Performs one state change according to the given parameters.
*
* @return 0 in case of success and negative value otherwise.
*/
int (*send_cmd)(struct bnx2x *bp,
struct bnx2x_queue_state_params *params);
/**
* Sets the pending bit according to the requested transition.
*/
int (*set_pending)(struct bnx2x_queue_sp_obj *o,
struct bnx2x_queue_state_params *params);
/**
* Checks that the requested state transition is legal.
*/
int (*check_transition)(struct bnx2x *bp,
struct bnx2x_queue_sp_obj *o,
struct bnx2x_queue_state_params *params);
/**
* Completes the pending command.
*/
int (*complete_cmd)(struct bnx2x *bp,
struct bnx2x_queue_sp_obj *o,
enum bnx2x_queue_cmd);
int (*wait_comp)(struct bnx2x *bp,
struct bnx2x_queue_sp_obj *o,
enum bnx2x_queue_cmd cmd);
};
/********************** Function state update *********************************/
/* Allowed Function states */
enum bnx2x_func_state {
BNX2X_F_STATE_RESET,
BNX2X_F_STATE_INITIALIZED,
BNX2X_F_STATE_STARTED,
BNX2X_F_STATE_TX_STOPPED,
BNX2X_F_STATE_MAX,
};
/* Allowed Function commands */
enum bnx2x_func_cmd {
BNX2X_F_CMD_HW_INIT,
BNX2X_F_CMD_START,
BNX2X_F_CMD_STOP,
BNX2X_F_CMD_HW_RESET,
BNX2X_F_CMD_AFEX_UPDATE,
BNX2X_F_CMD_AFEX_VIFLISTS,
BNX2X_F_CMD_TX_STOP,
BNX2X_F_CMD_TX_START,
BNX2X_F_CMD_SWITCH_UPDATE,
BNX2X_F_CMD_MAX,
};
struct bnx2x_func_hw_init_params {
/* A load phase returned by MCP.
*
* May be:
* FW_MSG_CODE_DRV_LOAD_COMMON_CHIP
* FW_MSG_CODE_DRV_LOAD_COMMON
* FW_MSG_CODE_DRV_LOAD_PORT
* FW_MSG_CODE_DRV_LOAD_FUNCTION
*/
u32 load_phase;
};
struct bnx2x_func_hw_reset_params {
/* A load phase returned by MCP.
*
* May be:
* FW_MSG_CODE_DRV_LOAD_COMMON_CHIP
* FW_MSG_CODE_DRV_LOAD_COMMON
* FW_MSG_CODE_DRV_LOAD_PORT
* FW_MSG_CODE_DRV_LOAD_FUNCTION
*/
u32 reset_phase;
};
struct bnx2x_func_start_params {
/* Multi Function mode:
* - Single Function
* - Switch Dependent
* - Switch Independent
*/
u16 mf_mode;
/* Switch Dependent mode outer VLAN tag */
u16 sd_vlan_tag;
/* Function cos mode */
u8 network_cos_mode;
/* NVGRE classification enablement */
u8 nvgre_clss_en;
/* NO_GRE_TUNNEL/NVGRE_TUNNEL/L2GRE_TUNNEL/IPGRE_TUNNEL */
u8 gre_tunnel_mode;
/* GRE_OUTER_HEADERS_RSS/GRE_INNER_HEADERS_RSS/NVGRE_KEY_ENTROPY_RSS */
u8 gre_tunnel_rss;
};
struct bnx2x_func_switch_update_params {
u8 suspend;
};
struct bnx2x_func_afex_update_params {
u16 vif_id;
u16 afex_default_vlan;
u8 allowed_priorities;
};
struct bnx2x_func_afex_viflists_params {
u16 vif_list_index;
u8 func_bit_map;
u8 afex_vif_list_command;
u8 func_to_clear;
};
struct bnx2x_func_tx_start_params {
struct priority_cos traffic_type_to_priority_cos[MAX_TRAFFIC_TYPES];
u8 dcb_enabled;
u8 dcb_version;
u8 dont_add_pri_0_en;
};
struct bnx2x_func_state_params {
struct bnx2x_func_sp_obj *f_obj;
/* Current command */
enum bnx2x_func_cmd cmd;
/* may have RAMROD_COMP_WAIT set only */
unsigned long ramrod_flags;
/* Params according to the current command */
union {
struct bnx2x_func_hw_init_params hw_init;
struct bnx2x_func_hw_reset_params hw_reset;
struct bnx2x_func_start_params start;
struct bnx2x_func_switch_update_params switch_update;
struct bnx2x_func_afex_update_params afex_update;
struct bnx2x_func_afex_viflists_params afex_viflists;
struct bnx2x_func_tx_start_params tx_start;
} params;
};
struct bnx2x_func_sp_drv_ops {
/* Init tool + runtime initialization:
* - Common Chip
* - Common (per Path)
* - Port
* - Function phases
*/
int (*init_hw_cmn_chip)(struct bnx2x *bp);
int (*init_hw_cmn)(struct bnx2x *bp);
int (*init_hw_port)(struct bnx2x *bp);
int (*init_hw_func)(struct bnx2x *bp);
/* Reset Function HW: Common, Port, Function phases. */
void (*reset_hw_cmn)(struct bnx2x *bp);
void (*reset_hw_port)(struct bnx2x *bp);
void (*reset_hw_func)(struct bnx2x *bp);
/* Init/Free GUNZIP resources */
int (*gunzip_init)(struct bnx2x *bp);
void (*gunzip_end)(struct bnx2x *bp);
/* Prepare/Release FW resources */
int (*init_fw)(struct bnx2x *bp);
void (*release_fw)(struct bnx2x *bp);
};
struct bnx2x_func_sp_obj {
enum bnx2x_func_state state, next_state;
/* BNX2X_FUNC_CMD_XX bits. This object implements "one
* pending" paradigm but for debug and tracing purposes it's
* more convenient to have different bits for different
* commands.
*/
unsigned long pending;
/* Buffer to use as a ramrod data and its mapping */
void *rdata;
dma_addr_t rdata_mapping;
/* Buffer to use as a afex ramrod data and its mapping.
* This can't be same rdata as above because afex ramrod requests
* can arrive to the object in parallel to other ramrod requests.
*/
void *afex_rdata;
dma_addr_t afex_rdata_mapping;
/* this mutex validates that when pending flag is taken, the next
* ramrod to be sent will be the one set the pending bit
*/
struct mutex one_pending_mutex;
/* Driver interface */
struct bnx2x_func_sp_drv_ops *drv;
/**
* Performs one state change according to the given parameters.
*
* @return 0 in case of success and negative value otherwise.
*/
int (*send_cmd)(struct bnx2x *bp,
struct bnx2x_func_state_params *params);
/**
* Checks that the requested state transition is legal.
*/
int (*check_transition)(struct bnx2x *bp,
struct bnx2x_func_sp_obj *o,
struct bnx2x_func_state_params *params);
/**
* Completes the pending command.
*/
int (*complete_cmd)(struct bnx2x *bp,
struct bnx2x_func_sp_obj *o,
enum bnx2x_func_cmd cmd);
int (*wait_comp)(struct bnx2x *bp, struct bnx2x_func_sp_obj *o,
enum bnx2x_func_cmd cmd);
};
/********************** Interfaces ********************************************/
/* Queueable objects set */
union bnx2x_qable_obj {
struct bnx2x_vlan_mac_obj vlan_mac;
};
/************** Function state update *********/
void bnx2x_init_func_obj(struct bnx2x *bp,
struct bnx2x_func_sp_obj *obj,
void *rdata, dma_addr_t rdata_mapping,
void *afex_rdata, dma_addr_t afex_rdata_mapping,
struct bnx2x_func_sp_drv_ops *drv_iface);
int bnx2x_func_state_change(struct bnx2x *bp,
struct bnx2x_func_state_params *params);
enum bnx2x_func_state bnx2x_func_get_state(struct bnx2x *bp,
struct bnx2x_func_sp_obj *o);
/******************* Queue State **************/
void bnx2x_init_queue_obj(struct bnx2x *bp,
struct bnx2x_queue_sp_obj *obj, u8 cl_id, u32 *cids,
u8 cid_cnt, u8 func_id, void *rdata,
dma_addr_t rdata_mapping, unsigned long type);
int bnx2x_queue_state_change(struct bnx2x *bp,
struct bnx2x_queue_state_params *params);
int bnx2x_get_q_logical_state(struct bnx2x *bp,
struct bnx2x_queue_sp_obj *obj);
/********************* VLAN-MAC ****************/
void bnx2x_init_mac_obj(struct bnx2x *bp,
struct bnx2x_vlan_mac_obj *mac_obj,
u8 cl_id, u32 cid, u8 func_id, void *rdata,
dma_addr_t rdata_mapping, int state,
unsigned long *pstate, bnx2x_obj_type type,
struct bnx2x_credit_pool_obj *macs_pool);
void bnx2x_init_vlan_obj(struct bnx2x *bp,
struct bnx2x_vlan_mac_obj *vlan_obj,
u8 cl_id, u32 cid, u8 func_id, void *rdata,
dma_addr_t rdata_mapping, int state,
unsigned long *pstate, bnx2x_obj_type type,
struct bnx2x_credit_pool_obj *vlans_pool);
int bnx2x_vlan_mac_h_read_lock(struct bnx2x *bp,
struct bnx2x_vlan_mac_obj *o);
void bnx2x_vlan_mac_h_read_unlock(struct bnx2x *bp,
struct bnx2x_vlan_mac_obj *o);
int bnx2x_vlan_mac_h_write_lock(struct bnx2x *bp,
struct bnx2x_vlan_mac_obj *o);
int bnx2x_config_vlan_mac(struct bnx2x *bp,
struct bnx2x_vlan_mac_ramrod_params *p);
int bnx2x_vlan_mac_move(struct bnx2x *bp,
struct bnx2x_vlan_mac_ramrod_params *p,
struct bnx2x_vlan_mac_obj *dest_o);
/********************* RX MODE ****************/
void bnx2x_init_rx_mode_obj(struct bnx2x *bp,
struct bnx2x_rx_mode_obj *o);
/**
* bnx2x_config_rx_mode - Send and RX_MODE ramrod according to the provided parameters.
*
* @p: Command parameters
*
* Return: 0 - if operation was successful and there is no pending completions,
* positive number - if there are pending completions,
* negative - if there were errors
*/
int bnx2x_config_rx_mode(struct bnx2x *bp,
struct bnx2x_rx_mode_ramrod_params *p);
/****************** MULTICASTS ****************/
void bnx2x_init_mcast_obj(struct bnx2x *bp,
struct bnx2x_mcast_obj *mcast_obj,
u8 mcast_cl_id, u32 mcast_cid, u8 func_id,
u8 engine_id, void *rdata, dma_addr_t rdata_mapping,
int state, unsigned long *pstate,
bnx2x_obj_type type);
/**
* bnx2x_config_mcast - Configure multicast MACs list.
*
* @cmd: command to execute: BNX2X_MCAST_CMD_X
*
* May configure a new list
* provided in p->mcast_list (BNX2X_MCAST_CMD_ADD), clean up
* (BNX2X_MCAST_CMD_DEL) or restore (BNX2X_MCAST_CMD_RESTORE) a current
* configuration, continue to execute the pending commands
* (BNX2X_MCAST_CMD_CONT).
*
* If previous command is still pending or if number of MACs to
* configure is more that maximum number of MACs in one command,
* the current command will be enqueued to the tail of the
* pending commands list.
*
* Return: 0 is operation was successful and there are no pending completions,
* negative if there were errors, positive if there are pending
* completions.
*/
int bnx2x_config_mcast(struct bnx2x *bp,
struct bnx2x_mcast_ramrod_params *p,
enum bnx2x_mcast_cmd cmd);
/****************** CREDIT POOL ****************/
void bnx2x_init_mac_credit_pool(struct bnx2x *bp,
struct bnx2x_credit_pool_obj *p, u8 func_id,
u8 func_num);
void bnx2x_init_vlan_credit_pool(struct bnx2x *bp,
struct bnx2x_credit_pool_obj *p, u8 func_id,
u8 func_num);
/****************** RSS CONFIGURATION ****************/
void bnx2x_init_rss_config_obj(struct bnx2x *bp,
struct bnx2x_rss_config_obj *rss_obj,
u8 cl_id, u32 cid, u8 func_id, u8 engine_id,
void *rdata, dma_addr_t rdata_mapping,
int state, unsigned long *pstate,
bnx2x_obj_type type);
/**
* bnx2x_config_rss - Updates RSS configuration according to provided parameters
*
* Return: 0 in case of success
*/
int bnx2x_config_rss(struct bnx2x *bp,
struct bnx2x_config_rss_params *p);
/**
* bnx2x_get_rss_ind_table - Return the current ind_table configuration.
*
* @ind_table: buffer to fill with the current indirection
* table content. Should be at least
* T_ETH_INDIRECTION_TABLE_SIZE bytes long.
*/
void bnx2x_get_rss_ind_table(struct bnx2x_rss_config_obj *rss_obj,
u8 *ind_table);
int validate_vlan_mac(struct bnx2x *bp,
struct bnx2x_vlan_mac_obj *vlan_mac);
#endif /* BNX2X_SP_VERBS */