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Commit 6d4c96ad authored by Don Skidmore's avatar Don Skidmore Committed by Jeff Kirsher
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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: default avatarDon Skidmore <donald.c.skidmore@intel.com>
Tested-by: default avatarPhil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
parent 219efe97

drivers/net/ethernet/intel/ixgbe/ixgbe_main.c

+44 −0
Original line number Diff line number Diff line
@@ -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;

drivers/net/ethernet/intel/ixgbe/ixgbe_type.h

+4 −0
Original line number Diff line number Diff line
@@ -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 */

drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c

+29 −0
Original line number Diff line number Diff line
@@ -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, \