freebsd-nq/sys/dev/ixl/ixlv.h

/******************************************************************************

  Copyright (c) 2013-2014, Intel Corporation 
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******************************************************************************/
/*$FreeBSD$*/


#ifndef _IXLV_H_
#define _IXLV_H_

#include "ixlv_vc_mgr.h"

#define IXLV_AQ_MAX_ERR		1000
#define IXLV_MAX_FILTERS	128
#define IXLV_MAX_QUEUES		16
#define IXLV_AQ_TIMEOUT		(1 * hz)
#define IXLV_CALLOUT_TIMO	(hz / 50)	/* 20 msec */

#define IXLV_FLAG_AQ_ENABLE_QUEUES            (u32)(1)
#define IXLV_FLAG_AQ_DISABLE_QUEUES           (u32)(1 << 1)
#define IXLV_FLAG_AQ_ADD_MAC_FILTER           (u32)(1 << 2)
#define IXLV_FLAG_AQ_ADD_VLAN_FILTER          (u32)(1 << 3)
#define IXLV_FLAG_AQ_DEL_MAC_FILTER           (u32)(1 << 4)
#define IXLV_FLAG_AQ_DEL_VLAN_FILTER          (u32)(1 << 5)
#define IXLV_FLAG_AQ_CONFIGURE_QUEUES         (u32)(1 << 6)
#define IXLV_FLAG_AQ_MAP_VECTORS              (u32)(1 << 7)
#define IXLV_FLAG_AQ_HANDLE_RESET             (u32)(1 << 8)
#define IXLV_FLAG_AQ_CONFIGURE_PROMISC        (u32)(1 << 9)
#define IXLV_FLAG_AQ_GET_STATS                (u32)(1 << 10)

/* printf %b arg */
#define IXLV_FLAGS \
    "\20\1ENABLE_QUEUES\2DISABLE_QUEUES\3ADD_MAC_FILTER" \
    "\4ADD_VLAN_FILTER\5DEL_MAC_FILTER\6DEL_VLAN_FILTER" \
    "\7CONFIGURE_QUEUES\10MAP_VECTORS\11HANDLE_RESET" \
    "\12CONFIGURE_PROMISC\13GET_STATS"

/* Hack for compatibility with 1.0.x linux pf driver */
#define I40E_VIRTCHNL_OP_EVENT 17

/* Driver state */
enum ixlv_state_t {
	IXLV_START,
	IXLV_FAILED,
	IXLV_RESET_REQUIRED,
	IXLV_RESET_PENDING,
	IXLV_VERSION_CHECK,
	IXLV_GET_RESOURCES,
	IXLV_INIT_READY,
	IXLV_INIT_START,
	IXLV_INIT_CONFIG,
	IXLV_INIT_MAPPING,
	IXLV_INIT_ENABLE,
	IXLV_INIT_COMPLETE,
	IXLV_RUNNING,	
};

struct ixlv_mac_filter {
	SLIST_ENTRY(ixlv_mac_filter)  next;
	u8      macaddr[ETHER_ADDR_LEN];
	u16     flags;
};
SLIST_HEAD(mac_list, ixlv_mac_filter);

struct ixlv_vlan_filter {
	SLIST_ENTRY(ixlv_vlan_filter)  next;
	u16     vlan;
	u16     flags;
};
SLIST_HEAD(vlan_list, ixlv_vlan_filter);

/* Software controller structure */
struct ixlv_sc {
	struct i40e_hw		hw;
	struct i40e_osdep	osdep;
	struct device		*dev;

	struct resource		*pci_mem;
	struct resource		*msix_mem;

	enum ixlv_state_t	init_state;

	/*
	 * Interrupt resources
	 */
	void			*tag;
	struct resource 	*res; /* For the AQ */

	struct ifmedia		media;
	struct callout		timer;
	int			msix;
	int			if_flags;

	struct mtx		mtx;

	u32			qbase;
	u32 			admvec;
	struct timeout_task	timeout;
	struct task     	aq_irq;
	struct task     	aq_sched;
	struct taskqueue	*tq;

	struct ixl_vsi		vsi;

	/* Filter lists */
	struct mac_list		*mac_filters;
	struct vlan_list	*vlan_filters;

	/* Promiscuous mode */
	u32			promiscuous_flags;

	/* Admin queue task flags */
	u32			aq_wait_count;

	struct ixl_vc_mgr	vc_mgr;
	struct ixl_vc_cmd	add_mac_cmd;
	struct ixl_vc_cmd	del_mac_cmd;
	struct ixl_vc_cmd	config_queues_cmd;
	struct ixl_vc_cmd	map_vectors_cmd;
	struct ixl_vc_cmd	enable_queues_cmd;
	struct ixl_vc_cmd	add_vlan_cmd;
	struct ixl_vc_cmd	del_vlan_cmd;
	struct ixl_vc_cmd	add_multi_cmd;
	struct ixl_vc_cmd	del_multi_cmd;

	/* Virtual comm channel */
	struct i40e_virtchnl_vf_resource *vf_res;
	struct i40e_virtchnl_vsi_resource *vsi_res;

	/* Misc stats maintained by the driver */
	u64			watchdog_events;
	u64			admin_irq;

	u8			aq_buffer[IXL_AQ_BUF_SZ];
};

#define IXLV_CORE_LOCK_ASSERT(sc)	mtx_assert(&(sc)->mtx, MA_OWNED)
/*
** This checks for a zero mac addr, something that will be likely
** unless the Admin on the Host has created one.
*/
static inline bool
ixlv_check_ether_addr(u8 *addr)
{
	bool status = TRUE;

	if ((addr[0] == 0 && addr[1]== 0 && addr[2] == 0 &&
	    addr[3] == 0 && addr[4]== 0 && addr[5] == 0))
		status = FALSE;
	return (status);
}

/*
** VF Common function prototypes
*/
int	ixlv_send_api_ver(struct ixlv_sc *);
int	ixlv_verify_api_ver(struct ixlv_sc *);
int	ixlv_send_vf_config_msg(struct ixlv_sc *);
int	ixlv_get_vf_config(struct ixlv_sc *);
void	ixlv_init(void *);
int	ixlv_reinit_locked(struct ixlv_sc *);
void	ixlv_configure_queues(struct ixlv_sc *);
void	ixlv_enable_queues(struct ixlv_sc *);
void	ixlv_disable_queues(struct ixlv_sc *);
void	ixlv_map_queues(struct ixlv_sc *);
void	ixlv_enable_intr(struct ixl_vsi *);
void	ixlv_disable_intr(struct ixl_vsi *);
void	ixlv_add_ether_filters(struct ixlv_sc *);
void	ixlv_del_ether_filters(struct ixlv_sc *);
void	ixlv_request_stats(struct ixlv_sc *);
void	ixlv_request_reset(struct ixlv_sc *);
void	ixlv_vc_completion(struct ixlv_sc *,
	enum i40e_virtchnl_ops, i40e_status, u8 *, u16);
void	ixlv_add_ether_filter(struct ixlv_sc *);
void	ixlv_add_vlans(struct ixlv_sc *);
void	ixlv_del_vlans(struct ixlv_sc *);
void	ixlv_update_stats_counters(struct ixlv_sc *,
		    struct i40e_eth_stats *);
void	ixlv_update_link_status(struct ixlv_sc *);

#endif /* _IXLV_H_ */