linux-stable/drivers/net/ethernet/sfc/ef10_sriov.h
Shradha Shah cfc77c2fba sfc: save old MAC address in case sriov_mac_address_changed fails
Otherwise the PF and VF can disagree on the VF's MAC address and
this leads to strange behaviour, up to and including kernel panics.

Signed-off-by: Shradha Shah <sshah@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-05-21 18:43:53 -04:00

73 lines
2.1 KiB
C

/****************************************************************************
* Driver for Solarflare network controllers and boards
* Copyright 2015 Solarflare Communications Inc.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation, incorporated herein by reference.
*/
#ifndef EF10_SRIOV_H
#define EF10_SRIOV_H
#include "net_driver.h"
/**
* struct ef10_vf - PF's store of VF data
* @vport_id: vport ID for the VF
* @vport_assigned: record whether the vport is currently assigned to the VF
* @mac: MAC address for the VF, zero when address is removed from the vport
*/
struct ef10_vf {
unsigned int vport_id;
unsigned int vport_assigned;
u8 mac[ETH_ALEN];
};
static inline bool efx_ef10_sriov_wanted(struct efx_nic *efx)
{
return false;
}
int efx_ef10_sriov_configure(struct efx_nic *efx, int num_vfs);
int efx_ef10_sriov_init(struct efx_nic *efx);
static inline int efx_ef10_sriov_mac_address_changed(struct efx_nic *efx)
{
return -EOPNOTSUPP;
}
static inline void efx_ef10_sriov_reset(struct efx_nic *efx) {}
void efx_ef10_sriov_fini(struct efx_nic *efx);
static inline void efx_ef10_sriov_flr(struct efx_nic *efx, unsigned vf_i) {}
static inline int efx_ef10_sriov_set_vf_mac(struct efx_nic *efx, int vf,
u8 *mac)
{
return -EOPNOTSUPP;
}
static inline int efx_ef10_sriov_set_vf_vlan(struct efx_nic *efx, int vf,
u16 vlan, u8 qos)
{
return -EOPNOTSUPP;
}
static inline int efx_ef10_sriov_set_vf_spoofchk(struct efx_nic *efx, int vf,
bool spoofchk)
{
return -EOPNOTSUPP;
}
static inline int efx_ef10_sriov_get_vf_config(struct efx_nic *efx, int vf,
struct ifla_vf_info *ivf)
{
return -EOPNOTSUPP;
}
int efx_ef10_vswitching_probe_pf(struct efx_nic *efx);
int efx_ef10_vswitching_probe_vf(struct efx_nic *efx);
int efx_ef10_vswitching_restore_pf(struct efx_nic *efx);
int efx_ef10_vswitching_restore_vf(struct efx_nic *efx);
void efx_ef10_vswitching_remove_pf(struct efx_nic *efx);
void efx_ef10_vswitching_remove_vf(struct efx_nic *efx);
#endif /* EF10_SRIOV_H */