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Diffstat (limited to 'drivers/net/ethernet/intel/i40e/i40e_txrx.h')
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_txrx.h24
1 files changed, 22 insertions, 2 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.h b/drivers/net/ethernet/intel/i40e/i40e_txrx.h
index e065321ce8ed..f80979025c01 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_txrx.h
+++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.h
@@ -52,7 +52,20 @@
*/
#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)
+/**
+ * i40e_intrl_usec_to_reg - convert interrupt rate limit to register
+ * @intrl: interrupt rate limit to convert
+ *
+ * This function converts a decimal interrupt rate limit to the appropriate
+ * register format expected by the firmware when setting interrupt rate limit.
+ */
+static inline u16 i40e_intrl_usec_to_reg(int intrl)
+{
+ if (intrl >> 2)
+ return ((intrl >> 2) | INTRL_ENA);
+ else
+ return 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 */
@@ -240,7 +253,6 @@ struct i40e_tx_buffer {
};
struct i40e_rx_buffer {
- struct sk_buff *skb;
dma_addr_t dma;
struct page *page;
unsigned int page_offset;
@@ -341,6 +353,14 @@ struct i40e_ring {
struct rcu_head rcu; /* to avoid race on free */
u16 next_to_alloc;
+ struct sk_buff *skb; /* When i40e_clean_rx_ring_irq() must
+ * return before it sees the EOP for
+ * the current packet, we save that skb
+ * here and resume receiving this
+ * packet the next time
+ * i40e_clean_rx_ring_irq() is called
+ * for this ring.
+ */
} ____cacheline_internodealigned_in_smp;
enum i40e_latency_range {