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sfc: add legacy method for changing a PF's MAC address

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Some versions of MCFW do not support the MC_CMD_VADAPTOR_SET_MAC
command, and ENOSYS will be returned.

If the PF created its own vport, the function's datapath must be
stopped and the vport can be reconfigured to reflect the new MAC
address.

If the MCFW created the vport for the PF (which is the case when
the nic_data->vport_mac is blank), nothing further needs to be
done as the vport is not under the control of the PF.

This only applies to PFs because the MCFW in question does not
support VFs.

Signed-off-by: Shradha Shah <sshah@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Daniel Pieczko
2015-07-07 11:37:19 +01:00
committed by David S. Miller
parent 9e9f665a18
commit 7a186f4703
3 changed files with 126 additions and 42 deletions
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6
drivers/net/ethernet/sfc/ef10_sriov.h
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@@ -65,5 +65,11 @@ 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);
int efx_ef10_vport_add_mac(struct efx_nic *efx,
unsigned int port_id, u8 *mac);
int efx_ef10_vport_del_mac(struct efx_nic *efx,
unsigned int port_id, u8 *mac);
int efx_ef10_vadaptor_alloc(struct efx_nic *efx, unsigned int port_id);
int efx_ef10_vadaptor_free(struct efx_nic *efx, unsigned int port_id);
#endif /* EF10_SRIOV_H */