Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide

[karo-tx-linux.git] / drivers / net / ethernet / intel / i40e / i40e_txrx.h

diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.h b/drivers/net/ethernet/intel/i40e/i40e_txrx.h
index 75cecfa6e3386ef721934149bd76c97803dfd008..6779fb771d6af9b9c8fcf46fd56ccb498c2951e3 100644 (file)
--- a/drivers/net/ethernet/intel/i40e/i40e_txrx.h
+++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.h
@@ -32,11 +32,14 @@
 #define I40E_MAX_ITR               0x0FF0  /* reg uses 2 usec resolution */
 #define I40E_MIN_ITR               0x0001  /* reg uses 2 usec resolution */
 #define I40E_ITR_100K              0x0005
+#define I40E_ITR_50K               0x000A
 #define I40E_ITR_20K               0x0019
+#define I40E_ITR_18K               0x001B
 #define I40E_ITR_8K                0x003E
 #define I40E_ITR_4K                0x007A
-#define I40E_ITR_RX_DEF            I40E_ITR_8K
-#define I40E_ITR_TX_DEF            I40E_ITR_4K
+#define I40E_MAX_INTRL             0x3B    /* reg uses 4 usec resolution */
+#define I40E_ITR_RX_DEF            I40E_ITR_20K
+#define I40E_ITR_TX_DEF            I40E_ITR_20K
 #define I40E_ITR_DYNAMIC           0x8000  /* use top bit as a flag */
 #define I40E_MIN_INT_RATE          250     /* ~= 1000000 / (I40E_MAX_ITR * 2) */
 #define I40E_MAX_INT_RATE          500000  /* == 1000000 / (I40E_MIN_ITR * 2) */
@@ -44,6 +47,15 @@
 #define ITR_TO_REG(setting) ((setting & ~I40E_ITR_DYNAMIC) >> 1)
 #define ITR_IS_DYNAMIC(setting) (!!(setting & I40E_ITR_DYNAMIC))
 #define ITR_REG_TO_USEC(itr_reg) (itr_reg << 1)
+/* 0x40 is the enable bit for interrupt rate limiting, and must be set if
+ * the value of the rate limit is non-zero
+ */
+#define INTRL_ENA                  BIT(6)
+#define INTRL_REG_TO_USEC(intrl) ((intrl & ~INTRL_ENA) << 2)
+#define INTRL_USEC_TO_REG(set) ((set) ? ((set) >> 2) | INTRL_ENA : 0)
+#define I40E_INTRL_8K              125     /* 8000 ints/sec */
+#define I40E_INTRL_62K             16      /* 62500 ints/sec */
+#define I40E_INTRL_83K             12      /* 83333 ints/sec */
 
 #define I40E_QUEUE_END_OF_LIST 0x7FF
 
@@ -286,6 +298,7 @@ enum i40e_latency_range {
        I40E_LOWEST_LATENCY = 0,
        I40E_LOW_LATENCY = 1,
        I40E_BULK_LATENCY = 2,
+       I40E_ULTRA_LATENCY = 3,
 };
 
 struct i40e_ring_container {