Merge git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net-next

drivers/net/ethernet/intel/igb/e1000_defines.h

@@ -409,6 +409,9 @@
 #define E1000_ICS_DRSTA     E1000_ICR_DRSTA     /* Device Reset Aserted */
 
 /* Extended Interrupt Cause Set */
+/* E1000_EITR_CNT_IGNR is only for 82576 and newer */
+#define E1000_EITR_CNT_IGNR     0x80000000 /* Don't reset counters on write */
+
 
 /* Transmit Descriptor Control */
 /* Enable the counting of descriptors still to be processed. */

drivers/net/ethernet/intel/igb/igb.h

@@ -42,8 +42,11 @@
 
 struct igb_adapter;
 
-/* ((1000000000ns / (6000ints/s * 1024ns)) << 2 = 648 */
+/* Interrupt defines */
-#define IGB_START_ITR 648
+#define IGB_START_ITR                    648 /* ~6000 ints/sec */
+#define IGB_4K_ITR                       980
+#define IGB_20K_ITR                      196
+#define IGB_70K_ITR                       56
 
 /* TX/RX descriptor defines */
 #define IGB_DEFAULT_TXD                  256
@@ -146,6 +149,7 @@ struct igb_tx_buffer {
 	struct sk_buff *skb;
 	unsigned int bytecount;
 	u16 gso_segs;
+	__be16 protocol;
 	dma_addr_t dma;
 	u32 length;
 	u32 tx_flags;
@@ -174,15 +178,24 @@ struct igb_rx_queue_stats {
 	u64 alloc_failed;
 };
 
-struct igb_q_vector {
+struct igb_ring_container {
-	struct igb_adapter *adapter; /* backlink */
+	struct igb_ring *ring;		/* pointer to linked list of rings */
-	struct igb_ring *rx_ring;
+	unsigned int total_bytes;	/* total bytes processed this int */
-	struct igb_ring *tx_ring;
+	unsigned int total_packets;	/* total packets processed this int */
-	struct napi_struct napi;
+	u16 work_limit;			/* total work allowed per interrupt */
+	u8 count;			/* total number of rings in vector */
+	u8 itr;				/* current ITR setting for ring */
+};
 
-	u32 eims_value;
+struct igb_q_vector {
-	u16 cpu;
+	struct igb_adapter *adapter;	/* backlink */
-	u16 tx_work_limit;
+	int cpu;			/* CPU for DCA */
+	u32 eims_value;			/* EIMS mask value */
+
+	struct igb_ring_container rx, tx;
+
+	struct napi_struct napi;
+	int numa_node;
 
 	u16 itr_val;
 	u8 set_itr;
@@ -212,16 +225,12 @@ struct igb_ring {
 	u16 next_to_clean ____cacheline_aligned_in_smp;
 	u16 next_to_use;
 
-	unsigned int total_bytes;
-	unsigned int total_packets;
-
 	union {
 		/* TX */
 		struct {
 			struct igb_tx_queue_stats tx_stats;
 			struct u64_stats_sync tx_syncp;
 			struct u64_stats_sync tx_syncp2;
-			bool detect_tx_hung;
 		};
 		/* RX */
 		struct {
@@ -231,12 +240,14 @@ struct igb_ring {
 	};
 	/* Items past this point are only used during ring alloc / free */
 	dma_addr_t dma;                /* phys address of the ring */
+	int numa_node;                  /* node to alloc ring memory on */
 };
 
-#define IGB_RING_FLAG_RX_CSUM        0x00000001 /* RX CSUM enabled */
+enum e1000_ring_flags_t {
-#define IGB_RING_FLAG_RX_SCTP_CSUM   0x00000002 /* SCTP CSUM offload enabled */
+	IGB_RING_FLAG_RX_SCTP_CSUM,
-
+	IGB_RING_FLAG_TX_CTX_IDX,
-#define IGB_RING_FLAG_TX_CTX_IDX     0x00000001 /* HW requires context index */
+	IGB_RING_FLAG_TX_DETECT_HANG
+};
 
 #define IGB_TXD_DCMD (E1000_ADVTXD_DCMD_EOP | E1000_ADVTXD_DCMD_RS)
 
@@ -247,6 +258,13 @@ struct igb_ring {
 #define IGB_TX_CTXTDESC(R, i)	    \
 	(&(((struct e1000_adv_tx_context_desc *)((R)->desc))[i]))
 
+/* igb_test_staterr - tests bits within Rx descriptor status and error fields */
+static inline __le32 igb_test_staterr(union e1000_adv_rx_desc *rx_desc,
+				      const u32 stat_err_bits)
+{
+	return rx_desc->wb.upper.status_error & cpu_to_le32(stat_err_bits);
+}
+
 /* igb_desc_unused - calculate if we have unused descriptors */
 static inline int igb_desc_unused(struct igb_ring *ring)
 {
@@ -340,6 +358,7 @@ struct igb_adapter {
 	int vf_rate_link_speed;
 	u32 rss_queues;
 	u32 wvbr;
+	int node;
 };
 
 #define IGB_FLAG_HAS_MSI           (1 << 0)

drivers/net/ethernet/intel/igb/igb_ethtool.c

@@ -1577,16 +1577,14 @@ static int igb_clean_test_rings(struct igb_ring *rx_ring,
 	union e1000_adv_rx_desc *rx_desc;
 	struct igb_rx_buffer *rx_buffer_info;
 	struct igb_tx_buffer *tx_buffer_info;
-	int rx_ntc, tx_ntc, count = 0;
+	u16 rx_ntc, tx_ntc, count = 0;
-	u32 staterr;
 
 	/* initialize next to clean and descriptor values */
 	rx_ntc = rx_ring->next_to_clean;
 	tx_ntc = tx_ring->next_to_clean;
 	rx_desc = IGB_RX_DESC(rx_ring, rx_ntc);
-	staterr = le32_to_cpu(rx_desc->wb.upper.status_error);
 
-	while (staterr & E1000_RXD_STAT_DD) {
+	while (igb_test_staterr(rx_desc, E1000_RXD_STAT_DD)) {
 		/* check rx buffer */
 		rx_buffer_info = &rx_ring->rx_buffer_info[rx_ntc];
 
@@ -1615,7 +1613,6 @@ static int igb_clean_test_rings(struct igb_ring *rx_ring,
 
 		/* fetch next descriptor */
 		rx_desc = IGB_RX_DESC(rx_ring, rx_ntc);
-		staterr = le32_to_cpu(rx_desc->wb.upper.status_error);
 	}
 
 	/* re-map buffers to ring, store next to clean values */
@@ -1630,7 +1627,8 @@ static int igb_run_loopback_test(struct igb_adapter *adapter)
 {
 	struct igb_ring *tx_ring = &adapter->test_tx_ring;
 	struct igb_ring *rx_ring = &adapter->test_rx_ring;
-	int i, j, lc, good_cnt, ret_val = 0;
+	u16 i, j, lc, good_cnt;
+	int ret_val = 0;
 	unsigned int size = IGB_RX_HDR_LEN;
 	netdev_tx_t tx_ret_val;
 	struct sk_buff *skb;
@@ -2008,8 +2006,8 @@ static int igb_set_coalesce(struct net_device *netdev,
 
 	for (i = 0; i < adapter->num_q_vectors; i++) {
 		struct igb_q_vector *q_vector = adapter->q_vector[i];
-		q_vector->tx_work_limit = adapter->tx_work_limit;
+		q_vector->tx.work_limit = adapter->tx_work_limit;
-		if (q_vector->rx_ring)
+		if (q_vector->rx.ring)
 			q_vector->itr_val = adapter->rx_itr_setting;
 		else
 			q_vector->itr_val = adapter->tx_itr_setting;