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ixgbe: add support for X550 source_address_prunning 

This patch will enable X550 Source Address Prunning for VEPA
bridge mode.  This requires that we also have replication enabled
as well, while in this mode.

Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
hifive-unleashed-5.1
Don Skidmore 2015-04-09 22:03:23 -07:00 committed by Jeff Kirsher
parent 219efe97bb
commit 6d4c96ad4a
3 changed files with 77 additions and 0 deletions
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44
drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
View File

@ -7880,13 +7880,57 @@ static int ixgbe_ndo_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
static int ixgbe_configure_bridge_mode(struct ixgbe_adapter *adapter,
__u16 mode)
{
struct ixgbe_hw *hw = &adapter->hw;
unsigned int p, num_pools;
u32 vmdctl;
switch (mode) {
case BRIDGE_MODE_VEPA:
/* disable Tx loopback, rely on switch hairpin mode */
IXGBE_WRITE_REG(&adapter->hw, IXGBE_PFDTXGSWC, 0);
/* must enable Rx switching replication to allow multicast
* packet reception on all VFs, and to enable source address
* pruning.
*/
vmdctl = IXGBE_READ_REG(hw, IXGBE_VMD_CTL);
vmdctl |= IXGBE_VT_CTL_REPLEN;
IXGBE_WRITE_REG(hw, IXGBE_VMD_CTL, vmdctl);
/* enable Rx source address pruning. Note, this requires
* replication to be enabled or else it does nothing.
*/
num_pools = adapter->num_vfs + adapter->num_rx_pools;
for (p = 0; p < num_pools; p++) {
if (hw->mac.ops.set_source_address_pruning)
hw->mac.ops.set_source_address_pruning(hw,
true,
p);
}
break;
case BRIDGE_MODE_VEB:
/* enable Tx loopback for internal VF/PF communication */
IXGBE_WRITE_REG(&adapter->hw, IXGBE_PFDTXGSWC,
IXGBE_PFDTXGSWC_VT_LBEN);
/* disable Rx switching replication unless we have SR-IOV
* virtual functions
*/
vmdctl = IXGBE_READ_REG(hw, IXGBE_VMD_CTL);
if (!adapter->num_vfs)
vmdctl &= ~IXGBE_VT_CTL_REPLEN;
IXGBE_WRITE_REG(hw, IXGBE_VMD_CTL, vmdctl);
/* disable Rx source address pruning, since we don't expect to
* be receiving external loopback of our transmitted frames.
*/
num_pools = adapter->num_vfs + adapter->num_rx_pools;
for (p = 0; p < num_pools; p++) {
if (hw->mac.ops.set_source_address_pruning)
hw->mac.ops.set_source_address_pruning(hw,
false,
p);
}
break;
default:
return -EINVAL;

4
drivers/net/ethernet/intel/ixgbe/ixgbe_type.h
View File

@ -285,6 +285,8 @@ struct ixgbe_thermal_sensor_data {
#define IXGBE_VLVF(_i) (0x0F100 + ((_i) * 4)) /* 64 of these (0-63) */
#define IXGBE_VLVFB(_i) (0x0F200 + ((_i) * 4)) /* 128 of these (0-127) */
#define IXGBE_VMVIR(_i) (0x08000 + ((_i) * 4)) /* 64 of these (0-63) */
#define IXGBE_PFFLPL 0x050B0
#define IXGBE_PFFLPH 0x050B4
#define IXGBE_VT_CTL 0x051B0
#define IXGBE_PFMAILBOX(_i) (0x04B00 + (4 * (_i))) /* 64 total */
#define IXGBE_PFMBMEM(_i) (0x13000 + (64 * (_i))) /* 64 Mailboxes, 16 DW each */
@ -3069,6 +3071,8 @@ struct ixgbe_mac_operations {
s32 (*init_thermal_sensor_thresh)(struct ixgbe_hw *hw);
void (*disable_rx)(struct ixgbe_hw *hw);
void (*enable_rx)(struct ixgbe_hw *hw);
void (*set_source_address_pruning)(struct ixgbe_hw *, bool,
unsigned int);
void (*set_ethertype_anti_spoofing)(struct ixgbe_hw *, bool, int);
/* DMA Coalescing */

29
drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c
View File

@ -1363,6 +1363,33 @@ static void ixgbe_set_ethertype_anti_spoofing_X550(struct ixgbe_hw *hw,
IXGBE_WRITE_REG(hw, IXGBE_PFVFSPOOF(vf_target_reg), pfvfspoof);
}
/** ixgbe_set_source_address_pruning_X550 - Enable/Disbale src address pruning
* @hw: pointer to hardware structure
* @enable: enable or disable source address pruning
* @pool: Rx pool to set source address pruning for
**/
static void ixgbe_set_source_address_pruning_X550(struct ixgbe_hw *hw,
bool enable,
unsigned int pool)
{
u64 pfflp;
/* max rx pool is 63 */
if (pool > 63)
return;
pfflp = (u64)IXGBE_READ_REG(hw, IXGBE_PFFLPL);
pfflp |= (u64)IXGBE_READ_REG(hw, IXGBE_PFFLPH) << 32;
if (enable)
pfflp |= (1ULL << pool);
else
pfflp &= ~(1ULL << pool);
IXGBE_WRITE_REG(hw, IXGBE_PFFLPL, (u32)pfflp);
IXGBE_WRITE_REG(hw, IXGBE_PFFLPH, (u32)(pfflp >> 32));
}
#define X550_COMMON_MAC \
.init_hw = &ixgbe_init_hw_generic, \
.start_hw = &ixgbe_start_hw_X540, \
@ -1397,6 +1424,8 @@ static void ixgbe_set_ethertype_anti_spoofing_X550(struct ixgbe_hw *hw,
.init_uta_tables = &ixgbe_init_uta_tables_generic, \
.set_mac_anti_spoofing = &ixgbe_set_mac_anti_spoofing, \
.set_vlan_anti_spoofing = &ixgbe_set_vlan_anti_spoofing, \
.set_source_address_pruning = \
&ixgbe_set_source_address_pruning_X550, \
.set_ethertype_anti_spoofing = \
&ixgbe_set_ethertype_anti_spoofing_X550, \
.acquire_swfw_sync = &ixgbe_acquire_swfw_sync_X540, \