netdev - [net-next 03/17] ixgbe: Add fdir support for SCTP on X550

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Date:	Tue, 22 Sep 2015 16:54:22 -0700
From:	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
To:	davem@...emloft.net
Cc:	Don Skidmore <donald.c.skidmore@...el.com>, netdev@...r.kernel.org,
	nhorman@...hat.com, sassmann@...hat.com, jogreene@...hat.com,
	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Subject: [net-next 03/17] ixgbe: Add fdir support for SCTP on X550

From: Don Skidmore <donald.c.skidmore@...el.com>

X550 has HW support for SCTP flow director filters SCTP mask. This
patch adds it like we do for UDP and TCP.

Signed-off-by: Donald C Skidmore <donald.c.skidmore@...el.com>
Tested-by: Krishneil Singh <Krishneil.k.singh@...el.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
---
 drivers/net/ethernet/intel/ixgbe/ixgbe_82599.c | 10 ++++++++++
 drivers/net/ethernet/intel/ixgbe/ixgbe_type.h  |  1 +
 2 files changed, 11 insertions(+)

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_82599.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_82599.c
index dd7062f..85156fb 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_82599.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_82599.c
@@ -1766,6 +1766,16 @@ s32 ixgbe_fdir_set_input_mask_82599(struct ixgbe_hw *hw,
 	IXGBE_WRITE_REG(hw, IXGBE_FDIRTCPM, ~fdirtcpm);
 	IXGBE_WRITE_REG(hw, IXGBE_FDIRUDPM, ~fdirtcpm);
 
+	/* also use it for SCTP */
+	switch (hw->mac.type) {
+	case ixgbe_mac_X550:
+	case ixgbe_mac_X550EM_x:
+		IXGBE_WRITE_REG(hw, IXGBE_FDIRSCTPM, ~fdirtcpm);
+		break;
+	default:
+		break;
+	}
+
 	/* store source and destination IP masks (big-enian) */
 	IXGBE_WRITE_REG_BE32(hw, IXGBE_FDIRSIP4M,
 			     ~input_mask->formatted.src_ip[0]);
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h
index 6368919..4e16d14 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h
@@ -402,6 +402,7 @@ struct ixgbe_thermal_sensor_data {
 #define IXGBE_FDIRSIP4M 0x0EE40
 #define IXGBE_FDIRTCPM  0x0EE44
 #define IXGBE_FDIRUDPM  0x0EE48
+#define IXGBE_FDIRSCTPM	0x0EE78
 #define IXGBE_FDIRIP6M  0x0EE74
 #define IXGBE_FDIRM     0x0EE70
 
-- 
2.4.3

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