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ixgbevf: Add macvlan support in the set rx mode op

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Implement setup of unicast address list in the VF driver's set_rx_mode
netdev op.  Unicast addresses are sent to the PF via a mailbox message
and the PF will check if it has room in the RAR table and if so set the
filter for the VF.

Signed-off-by: Greg Rose <gregory.v.rose@intel.com>
Tested-by: Sibai Li <sibai.li@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Greg Rose 2011-05-13 01:33:42 +00:00 committed by Jeff Kirsher
parent d64a6f4dca
commit 46ec20ff7d
4 changed files with 66 additions and 0 deletions
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30
drivers/net/ixgbevf/ixgbevf_main.c
View File

@ -1460,6 +1460,34 @@ static void ixgbevf_restore_vlan(struct ixgbevf_adapter *adapter)
}
}
static int ixgbevf_write_uc_addr_list(struct net_device *netdev)
{
struct ixgbevf_adapter *adapter = netdev_priv(netdev);
struct ixgbe_hw *hw = &adapter->hw;
int count = 0;
if ((netdev_uc_count(netdev)) > 10) {
printk(KERN_ERR "Too many unicast filters - No Space\n");
return -ENOSPC;
}
if (!netdev_uc_empty(netdev)) {
struct netdev_hw_addr *ha;
netdev_for_each_uc_addr(ha, netdev) {
hw->mac.ops.set_uc_addr(hw, ++count, ha->addr);
udelay(200);
}
} else {
/*
* If the list is empty then send message to PF driver to
* clear all macvlans on this VF.
*/
hw->mac.ops.set_uc_addr(hw, 0, NULL);
}
return count;
}
/**
* ixgbevf_set_rx_mode - Multicast set
* @netdev: network interface device structure
@ -1476,6 +1504,8 @@ static void ixgbevf_set_rx_mode(struct net_device *netdev)
/* reprogram multicast list */
if (hw->mac.ops.update_mc_addr_list)
hw->mac.ops.update_mc_addr_list(hw, netdev);
ixgbevf_write_uc_addr_list(netdev);
}
static void ixgbevf_napi_enable_all(struct ixgbevf_adapter *adapter)

1
drivers/net/ixgbevf/mbx.h
View File

@ -81,6 +81,7 @@
#define IXGBE_VF_SET_MULTICAST 0x03 /* VF requests PF to set MC addr */
#define IXGBE_VF_SET_VLAN 0x04 /* VF requests PF to set VLAN */
#define IXGBE_VF_SET_LPE 0x05 /* VF requests PF to set VMOLR.LPE */
#define IXGBE_VF_SET_MACVLAN 0x06 /* VF requests PF for unicast filter */
/* length of permanent address message returned from PF */
#define IXGBE_VF_PERMADDR_MSG_LEN 4

34
drivers/net/ixgbevf/vf.c
View File

@ -216,6 +216,39 @@ static s32 ixgbevf_get_mac_addr_vf(struct ixgbe_hw *hw, u8 *mac_addr)
return 0;
}
static s32 ixgbevf_set_uc_addr_vf(struct ixgbe_hw *hw, u32 index, u8 *addr)
{
struct ixgbe_mbx_info *mbx = &hw->mbx;
u32 msgbuf[3];
u8 *msg_addr = (u8 *)(&msgbuf[1]);
s32 ret_val;
memset(msgbuf, 0, sizeof(msgbuf));
/*
* If index is one then this is the start of a new list and needs
* indication to the PF so it can do it's own list management.
* If it is zero then that tells the PF to just clear all of
* this VF's macvlans and there is no new list.
*/
msgbuf[0] |= index << IXGBE_VT_MSGINFO_SHIFT;
msgbuf[0] |= IXGBE_VF_SET_MACVLAN;
if (addr)
memcpy(msg_addr, addr, 6);
ret_val = mbx->ops.write_posted(hw, msgbuf, 3);
if (!ret_val)
ret_val = mbx->ops.read_posted(hw, msgbuf, 3);
msgbuf[0] &= ~IXGBE_VT_MSGTYPE_CTS;
if (!ret_val)
if (msgbuf[0] ==
(IXGBE_VF_SET_MACVLAN | IXGBE_VT_MSGTYPE_NACK))
ret_val = -ENOMEM;
return ret_val;
}
/**
* ixgbevf_set_rar_vf - set device MAC address
* @hw: pointer to hardware structure
@ -378,6 +411,7 @@ static struct ixgbe_mac_operations ixgbevf_mac_ops = {
.check_link = ixgbevf_check_mac_link_vf,
.set_rar = ixgbevf_set_rar_vf,
.update_mc_addr_list = ixgbevf_update_mc_addr_list_vf,
.set_uc_addr = ixgbevf_set_uc_addr_vf,
.set_vfta = ixgbevf_set_vfta_vf,
};

1
drivers/net/ixgbevf/vf.h
View File

@ -62,6 +62,7 @@ struct ixgbe_mac_operations {
/* RAR, Multicast, VLAN */
s32 (*set_rar)(struct ixgbe_hw *, u32, u8 *, u32);
s32 (*set_uc_addr)(struct ixgbe_hw *, u32, u8 *);
s32 (*init_rx_addrs)(struct ixgbe_hw *);
s32 (*update_mc_addr_list)(struct ixgbe_hw *, struct net_device *);
s32 (*enable_mc)(struct ixgbe_hw *);