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sfc: add ndo_set_vf_vlan() function for EF10

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The max vlan tags that can be offloaded is 2, including any upstream VLAN
aggregator. Currently there is no way for the net driver to know whether
the upstream vswitch (if any) is using vlan tags, so there is no way to
know how many tags we can request.
Along with the implementation for the ndo_set_vf_vlan callback, this patch
also adds 2 VLAN tags for the driver created VEB switch if possible, that
way it is possible to offload as many tags as are allowed.

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 11:11:54 +01:00
committed by David S. Miller
parent 087e902550
commit 2d432f20d2
2 changed files with 157 additions and 12 deletions
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10
drivers/net/ethernet/sfc/ef10_sriov.h
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@@ -18,12 +18,15 @@
* @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
* @vlan: Default VLAN for the VF or #EFX_EF10_NO_VLAN
*/
struct ef10_vf {
struct efx_nic *efx;
unsigned int vport_id;
unsigned int vport_assigned;
u8 mac[ETH_ALEN];
u16 vlan;
#define EFX_EF10_NO_VLAN 0
};
static inline bool efx_ef10_sriov_wanted(struct efx_nic *efx)
@@ -43,11 +46,8 @@ static inline void efx_ef10_sriov_flr(struct efx_nic *efx, unsigned vf_i) {}
int efx_ef10_sriov_set_vf_mac(struct efx_nic *efx, int vf, u8 *mac);
static inline int efx_ef10_sriov_set_vf_vlan(struct efx_nic *efx, int vf,
u16 vlan, u8 qos)
{
return -EOPNOTSUPP;
}
int efx_ef10_sriov_set_vf_vlan(struct efx_nic *efx, int vf_i,
u16 vlan, u8 qos);
static inline int efx_ef10_sriov_set_vf_spoofchk(struct efx_nic *efx, int vf,
bool spoofchk)