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| author | Alexander Duyck <alexander.h.duyck@intel.com> | 2009-02-19 20:40:07 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-02-20 00:22:54 -0800 |
| commit | 4ae196dfd61d06b061c069edcdd7c73121e60a21 (patch) | |
| tree | 68111629e73751b6200cc9bdd8b769246fe0d540 /drivers/net/igb/e1000_mac.c | |
| parent | e173952257d7a3d3c64de3039d9fc02d1fbf49c3 (diff) | |
| download | lwn-4ae196dfd61d06b061c069edcdd7c73121e60a21.tar.gz lwn-4ae196dfd61d06b061c069edcdd7c73121e60a21.zip | |
igb: Add support for enabling VFs to PF driver.
This patch adds the support to handle requests from the VF to perform
operations such as completing resets, setting/reading mac address, adding
vlans, adding multicast addresses, setting rlpml, and general
communications between the PF and all VFs.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/igb/e1000_mac.c')
| -rw-r--r-- | drivers/net/igb/e1000_mac.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/net/igb/e1000_mac.c b/drivers/net/igb/e1000_mac.c index 5c249e2ce93b..2804db03e9d9 100644 --- a/drivers/net/igb/e1000_mac.c +++ b/drivers/net/igb/e1000_mac.c @@ -118,6 +118,30 @@ void igb_write_vfta(struct e1000_hw *hw, u32 offset, u32 value) } /** + * igb_vfta_set - enable or disable vlan in VLAN filter table + * @hw: pointer to the HW structure + * @vid: VLAN id to add or remove + * @add: if true add filter, if false remove + * + * Sets or clears a bit in the VLAN filter table array based on VLAN id + * and if we are adding or removing the filter + **/ +void igb_vfta_set(struct e1000_hw *hw, u32 vid, bool add) +{ + u32 index = (vid >> E1000_VFTA_ENTRY_SHIFT) & E1000_VFTA_ENTRY_MASK; + u32 mask = 1 < (vid & E1000_VFTA_ENTRY_BIT_SHIFT_MASK); + u32 vfta; + + vfta = array_rd32(E1000_VFTA, index); + if (add) + vfta |= mask; + else + vfta &= ~mask; + + igb_write_vfta(hw, index, vfta); +} + +/** * igb_check_alt_mac_addr - Check for alternate MAC addr * @hw: pointer to the HW structure * |