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/* Intel Ethernet Switch Host Interface Driver
* Copyright(c) 2013 - 2014 Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* The full GNU General Public License is included in this distribution in
* the file called "COPYING".
*
* Contact Information:
* e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
*/
#ifndef _FM10K_H_
#define _FM10K_H_
#include <linux/types.h>
#include <linux/etherdevice.h>
#include <linux/rtnetlink.h>
#include <linux/if_vlan.h>
#include <linux/pci.h>
#include "fm10k_pf.h"
#define FM10K_MAX_JUMBO_FRAME_SIZE 15358 /* Maximum supported size 15K */
enum fm10k_ring_f_enum {
RING_F_RSS,
RING_F_QOS,
RING_F_ARRAY_SIZE /* must be last in enum set */
};
struct fm10k_ring_feature {
u16 limit; /* upper limit on feature indices */
u16 indices; /* current value of indices */
u16 mask; /* Mask used for feature to ring mapping */
u16 offset; /* offset to start of feature */
};
#define fm10k_vxlan_port_for_each(vp, intfc) \
list_for_each_entry(vp, &(intfc)->vxlan_port, list)
struct fm10k_vxlan_port {
struct list_head list;
sa_family_t sa_family;
__be16 port;
};
struct fm10k_intfc {
unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
struct net_device *netdev;
struct pci_dev *pdev;
unsigned long state;
u32 flags;
#define FM10K_FLAG_RESET_REQUESTED (u32)(1 << 0)
#define FM10K_FLAG_RSS_FIELD_IPV4_UDP (u32)(1 << 1)
#define FM10K_FLAG_RSS_FIELD_IPV6_UDP (u32)(1 << 2)
#define FM10K_FLAG_RX_TS_ENABLED (u32)(1 << 3)
#define FM10K_FLAG_SWPRI_CONFIG (u32)(1 << 4)
int xcast_mode;
u64 rx_overrun_pf;
u64 rx_overrun_vf;
struct fm10k_ring_feature ring_feature[RING_F_ARRAY_SIZE];
struct fm10k_hw_stats stats;
struct fm10k_hw hw;
u32 __iomem *uc_addr;
u16 msg_enable;
u32 reta[FM10K_RETA_SIZE];
u32 rssrk[FM10K_RSSRK_SIZE];
/* VXLAN port tracking information */
struct list_head vxlan_port;
#if defined(HAVE_DCBNL_IEEE) && defined(CONFIG_DCB)
u8 pfc_en;
#endif
u8 rx_pause;
/* GLORT resources in use by PF */
u16 glort;
u16 glort_count;
/* VLAN ID for updating multicast/unicast lists */
u16 vid;
};
enum fm10k_state_t {
__FM10K_RESETTING,
__FM10K_DOWN,
__FM10K_MBX_LOCK,
__FM10K_LINK_DOWN,
};
static inline void fm10k_mbx_lock(struct fm10k_intfc *interface)
{
/* busy loop if we cannot obtain the lock as some calls
* such as ndo_set_rx_mode may be made in atomic context
*/
while (test_and_set_bit(__FM10K_MBX_LOCK, &interface->state))
udelay(20);
}
static inline void fm10k_mbx_unlock(struct fm10k_intfc *interface)
{
/* flush memory to make sure state is correct */
smp_mb__before_atomic();
clear_bit(__FM10K_MBX_LOCK, &interface->state);
}
static inline int fm10k_mbx_trylock(struct fm10k_intfc *interface)
{
return !test_and_set_bit(__FM10K_MBX_LOCK, &interface->state);
}
/* main */
extern char fm10k_driver_name[];
extern const char fm10k_driver_version[];
/* PCI */
int fm10k_register_pci_driver(void);
void fm10k_unregister_pci_driver(void);
/* Netdev */
struct net_device *fm10k_alloc_netdev(void);
#endif /* _FM10K_H_ */
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