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ixgbe: Correctly set SAN MAC RAR pool to default pool of PF 

This change corrects an issue in which an FCoE enabled adapter was always
setting the FCoE SAN MAC MPSAR register to 0x1.  This results in the first
VF being assigned the SAN MAC address in the case of SR-IOV and as such is
incorrect.  To resolve this I am adding a new function that will update the
SAN MAC pool address after reset.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Tested-by: Ross Brattain <ross.b.brattain@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Alexander Duyck 2012-05-05 05:32:52 +00:00 committed by Jeff Kirsher
parent 7c8ae65a62
commit 7fa7c9dcad
6 changed files with 46 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/net/ethernet/intel/ixgbe/ixgbe_82599.c
View File

@ -1025,6 +1025,9 @@ static s32 ixgbe_reset_hw_82599(struct ixgbe_hw *hw)
hw->mac.ops.set_rar(hw, hw->mac.num_rar_entries - 1,
hw->mac.san_addr, 0, IXGBE_RAH_AV);
/* Save the SAN MAC RAR index */
hw->mac.san_mac_rar_index = hw->mac.num_rar_entries - 1;
/* Reserve the last RAR for the SAN MAC address */
hw->mac.num_rar_entries--;
}
@ -2106,6 +2109,7 @@ static struct ixgbe_mac_operations mac_ops_82599 = {
.set_rar = &ixgbe_set_rar_generic,
.clear_rar = &ixgbe_clear_rar_generic,
.set_vmdq = &ixgbe_set_vmdq_generic,
.set_vmdq_san_mac = &ixgbe_set_vmdq_san_mac_generic,
.clear_vmdq = &ixgbe_clear_vmdq_generic,
.init_rx_addrs = &ixgbe_init_rx_addrs_generic,
.update_mc_addr_list = &ixgbe_update_mc_addr_list_generic,

25
drivers/net/ethernet/intel/ixgbe/ixgbe_common.c
View File

@ -2847,6 +2847,31 @@ s32 ixgbe_set_vmdq_generic(struct ixgbe_hw *hw, u32 rar, u32 vmdq)
return 0;
}
/**
* This function should only be involved in the IOV mode.
* In IOV mode, Default pool is next pool after the number of
* VFs advertized and not 0.
* MPSAR table needs to be updated for SAN_MAC RAR [hw->mac.san_mac_rar_index]
*
* ixgbe_set_vmdq_san_mac - Associate default VMDq pool index with a rx address
* @hw: pointer to hardware struct
* @vmdq: VMDq pool index
**/
s32 ixgbe_set_vmdq_san_mac_generic(struct ixgbe_hw *hw, u32 vmdq)
{
u32 rar = hw->mac.san_mac_rar_index;
if (vmdq < 32) {
IXGBE_WRITE_REG(hw, IXGBE_MPSAR_LO(rar), 1 << vmdq);
IXGBE_WRITE_REG(hw, IXGBE_MPSAR_HI(rar), 0);
} else {
IXGBE_WRITE_REG(hw, IXGBE_MPSAR_LO(rar), 0);
IXGBE_WRITE_REG(hw, IXGBE_MPSAR_HI(rar), 1 << (vmdq - 32));
}
return 0;
}
/**
* ixgbe_init_uta_tables_generic - Initialize the Unicast Table Array
* @hw: pointer to hardware structure

1
drivers/net/ethernet/intel/ixgbe/ixgbe_common.h
View File

@ -85,6 +85,7 @@ s32 ixgbe_acquire_swfw_sync(struct ixgbe_hw *hw, u16 mask);
void ixgbe_release_swfw_sync(struct ixgbe_hw *hw, u16 mask);
s32 ixgbe_get_san_mac_addr_generic(struct ixgbe_hw *hw, u8 *san_mac_addr);
s32 ixgbe_set_vmdq_generic(struct ixgbe_hw *hw, u32 rar, u32 vmdq);
s32 ixgbe_set_vmdq_san_mac_generic(struct ixgbe_hw *hw, u32 vmdq);
s32 ixgbe_clear_vmdq_generic(struct ixgbe_hw *hw, u32 rar, u32 vmdq);
s32 ixgbe_init_uta_tables_generic(struct ixgbe_hw *hw);
s32 ixgbe_set_vfta_generic(struct ixgbe_hw *hw, u32 vlan,

13
drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
View File

@ -4119,6 +4119,10 @@ void ixgbe_reset(struct ixgbe_adapter *adapter)
/* reprogram the RAR[0] in case user changed it. */
hw->mac.ops.set_rar(hw, 0, hw->mac.addr, VMDQ_P(0), IXGBE_RAH_AV);
/* update SAN MAC vmdq pool selection */
if (hw->mac.san_mac_rar_index)
hw->mac.ops.set_vmdq_san_mac(hw, VMDQ_P(0));
}
/**
@ -6509,12 +6513,15 @@ static int ixgbe_add_sanmac_netdev(struct net_device *dev)
{
int err = 0;
struct ixgbe_adapter *adapter = netdev_priv(dev);
struct ixgbe_mac_info *mac = &adapter->hw.mac;
struct ixgbe_hw *hw = &adapter->hw;
if (is_valid_ether_addr(mac->san_addr)) {
if (is_valid_ether_addr(hw->mac.san_addr)) {
rtnl_lock();
err = dev_addr_add(dev, mac->san_addr, NETDEV_HW_ADDR_T_SAN);
err = dev_addr_add(dev, hw->mac.san_addr, NETDEV_HW_ADDR_T_SAN);
rtnl_unlock();
/* update SAN MAC vmdq pool selection */
hw->mac.ops.set_vmdq_san_mac(hw, VMDQ_P(0));
}
return err;
}

2
drivers/net/ethernet/intel/ixgbe/ixgbe_type.h
View File

@ -2847,6 +2847,7 @@ struct ixgbe_mac_operations {
s32 (*set_rar)(struct ixgbe_hw *, u32, u8 *, u32, u32);
s32 (*clear_rar)(struct ixgbe_hw *, u32);
s32 (*set_vmdq)(struct ixgbe_hw *, u32, u32);
s32 (*set_vmdq_san_mac)(struct ixgbe_hw *, u32);
s32 (*clear_vmdq)(struct ixgbe_hw *, u32, u32);
s32 (*init_rx_addrs)(struct ixgbe_hw *);
s32 (*update_mc_addr_list)(struct ixgbe_hw *, struct net_device *);
@ -2922,6 +2923,7 @@ struct ixgbe_mac_info {
bool orig_link_settings_stored;
bool autotry_restart;
u8 flags;
u8 san_mac_rar_index;
struct ixgbe_thermal_sensor_data thermal_sensor_data;
};

4
drivers/net/ethernet/intel/ixgbe/ixgbe_x540.c
View File

@ -156,6 +156,9 @@ static s32 ixgbe_reset_hw_X540(struct ixgbe_hw *hw)
hw->mac.ops.set_rar(hw, hw->mac.num_rar_entries - 1,
hw->mac.san_addr, 0, IXGBE_RAH_AV);
/* Save the SAN MAC RAR index */
hw->mac.san_mac_rar_index = hw->mac.num_rar_entries - 1;
/* Reserve the last RAR for the SAN MAC address */
hw->mac.num_rar_entries--;
}
@ -832,6 +835,7 @@ static struct ixgbe_mac_operations mac_ops_X540 = {
.set_rar = &ixgbe_set_rar_generic,
.clear_rar = &ixgbe_clear_rar_generic,
.set_vmdq = &ixgbe_set_vmdq_generic,
.set_vmdq_san_mac = &ixgbe_set_vmdq_san_mac_generic,
.clear_vmdq = &ixgbe_clear_vmdq_generic,
.init_rx_addrs = &ixgbe_init_rx_addrs_generic,
.update_mc_addr_list = &ixgbe_update_mc_addr_list_generic,