ixgbe: Disable DCB and FCoE for X550EM_x and x550em_a

This patch adds IXGBE_FLAG_DCB_CAPABLE flag that is set for all MACs other than X550EM_x and x550em_a. DCB and FCoE is disabled for these MACS. DCB initialization code is moved to a seperate function.

---
 drivers/net/ethernet/intel/ixgbe/ixgbe.h      |    1 
 drivers/net/ethernet/intel/ixgbe/ixgbe_main.c |  111 ++++++++++++++++---------
 drivers/net/ethernet/intel/ixgbe/ixgbe_type.h |    1 
 3 files changed, 71 insertions(+), 42 deletions(-)

index 781c878..874e968 100644
@@ -644,6 +644,7 @@ struct ixgbe_adapter {
 #define IXGBE_FLAG_VXLAN_OFFLOAD_CAPABLE	BIT(24)
 #define IXGBE_FLAG_RX_HWTSTAMP_ENABLED		BIT(25)
 #define IXGBE_FLAG_RX_HWTSTAMP_IN_REGISTER	BIT(26)
+#define IXGBE_FLAG_DCB_CAPABLE			BIT(27)
 
 	u32 flags2;
 #define IXGBE_FLAG2_RSC_CAPABLE			BIT(0)

index 7af4514..44b256a 100644
@@ -548,6 +548,7 @@ struct ixgbe_thermal_sensor_data {
 /* DCB registers */
 #define MAX_TRAFFIC_CLASS        8
 #define X540_TRAFFIC_CLASS       4
+#define DEF_TRAFFIC_CLASS        1
 #define IXGBE_RMCS      0x03D00
 #define IXGBE_DPMCS     0x07F40
 #define IXGBE_PDPMCS    0x0CD00

________________________________________
From: Intel-wired-lan [intel-wired-lan-bounces at lists.osuosl.org] on behalf of Usha Ketineni [usha.k.ketineni at intel.com]
Sent: Tuesday, April 26, 2016 5:00 AM
To: [email protected]
Subject: [Intel-wired-lan] [PATCH] ixgbe: Disable DCB and FCoE for X550EM_x and x550em_a

This patch adds IXGBE_FLAG_DCB_CAPABLE flag that is set for all MACs other than X550EM_x and x550em_a. DCB and FCoE is disabled for these MACS. DCB initialization code is moved to a seperate function.

---
 drivers/net/ethernet/intel/ixgbe/ixgbe.h      |    1
 drivers/net/ethernet/intel/ixgbe/ixgbe_main.c |  111 ++++++++++++++++---------
 drivers/net/ethernet/intel/ixgbe/ixgbe_type.h |    1
 3 files changed, 71 insertions(+), 42 deletions(-)

index 781c878..874e968 100644
@@ -644,6 +644,7 @@ struct ixgbe_adapter {
 #define IXGBE_FLAG_VXLAN_OFFLOAD_CAPABLE       BIT(24)
 #define IXGBE_FLAG_RX_HWTSTAMP_ENABLED         BIT(25)
 #define IXGBE_FLAG_RX_HWTSTAMP_IN_REGISTER     BIT(26)
+#define IXGBE_FLAG_DCB_CAPABLE                 BIT(27)
 
        u32 flags2;
 #define IXGBE_FLAG2_RSC_CAPABLE                        BIT(0)

index 7af4514..44b256a 100644
@@ -548,6 +548,7 @@ struct ixgbe_thermal_sensor_data {
 /* DCB registers */
 #define MAX_TRAFFIC_CLASS        8
 #define X540_TRAFFIC_CLASS       4
+#define DEF_TRAFFIC_CLASS        1
 #define IXGBE_RMCS      0x03D00
 #define IXGBE_DPMCS     0x07F40
 #define IXGBE_PDPMCS    0x0CD00

Our validation found nothing wrong with this patch, works as expected, thanks Usha!

_______________________________________________
Intel-wired-lan mailing list
Intel-wired-lan at lists.osuosl.org
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Our validation found nothing wrong with this patch, works as expected,
thanks Usha!
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