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sfc: save old MAC address in case sriov_mac_address_changed fails

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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>
This commit is contained in:
Shradha Shah
2015-05-20 11:09:30 +01:00
committed by David S. Miller
parent 88a37de674
commit cfc77c2fba
5 changed files with 21 additions and 7 deletions
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5
drivers/net/ethernet/sfc/ef10_sriov.h
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@@ -31,7 +31,10 @@ static inline bool efx_ef10_sriov_wanted(struct efx_nic *efx)
int efx_ef10_sriov_configure(struct efx_nic *efx, int num_vfs);
int efx_ef10_sriov_init(struct efx_nic *efx);
static inline void efx_ef10_sriov_mac_address_changed(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) {}