igb: Support for modifying UDP RSS flow hashing
This patch provides ability to enable or disable UDP RSS hashing. It gives
users option of generating RSS hash based on the UDP source and destination
ports numbers. Currently, UDP flow hash is always disabled in igb-driver.
Signed-off-by: Akeem G Abodunrin <akeem.g.abodunrin@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/intel/igb/igb.h b/drivers/net/ethernet/intel/igb/igb.h
index 796db53..b23a667 100644
--- a/drivers/net/ethernet/intel/igb/igb.h
+++ b/drivers/net/ethernet/intel/igb/igb.h
@@ -386,12 +386,14 @@
char fw_version[32];
};
-#define IGB_FLAG_HAS_MSI (1 << 0)
-#define IGB_FLAG_DCA_ENABLED (1 << 1)
-#define IGB_FLAG_QUAD_PORT_A (1 << 2)
-#define IGB_FLAG_QUEUE_PAIRS (1 << 3)
-#define IGB_FLAG_DMAC (1 << 4)
-#define IGB_FLAG_PTP (1 << 5)
+#define IGB_FLAG_HAS_MSI (1 << 0)
+#define IGB_FLAG_DCA_ENABLED (1 << 1)
+#define IGB_FLAG_QUAD_PORT_A (1 << 2)
+#define IGB_FLAG_QUEUE_PAIRS (1 << 3)
+#define IGB_FLAG_DMAC (1 << 4)
+#define IGB_FLAG_PTP (1 << 5)
+#define IGB_FLAG_RSS_FIELD_IPV4_UDP (1 << 6)
+#define IGB_FLAG_RSS_FIELD_IPV6_UDP (1 << 7)
/* DMA Coalescing defines */
#define IGB_MIN_TXPBSIZE 20408