---

yaml
---
r: 315806
b: refs/heads/master
c: 5e9965c
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 2860583fe840d972573363dfa190b2149a604534
+refs/heads/master: 5e9965c15ba88319500284e590733f4a4629a288

trunk/Documentation/networking/bonding.txt

@@ -1210,7 +1210,7 @@ options, you may wish to use the "max_bonds" module parameter,
 documented above.
 
 	To create multiple bonding devices with differing options, it is
-preferrable to use bonding parameters exported by sysfs, documented in the
+preferable to use bonding parameters exported by sysfs, documented in the
 section below.
 
 	For versions of bonding without sysfs support, the only means to
@@ -1950,7 +1950,7 @@ access to fail over to.  Additionally, the bonding load balance modes
 support link monitoring of their members, so if individual links fail,
 the load will be rebalanced across the remaining devices.
 
-	See Section 13, "Configuring Bonding for Maximum Throughput"
+	See Section 12, "Configuring Bonding for Maximum Throughput"
 for information on configuring bonding with one peer device.
 
 11.2 High Availability in a Multiple Switch Topology
@@ -2620,7 +2620,7 @@ be found at:
 
 https://lists.sourceforge.net/lists/listinfo/bonding-devel
 
-	Discussions regarding the developpement of the bonding driver take place
+	Discussions regarding the development of the bonding driver take place
 on the main Linux network mailing list, hosted at vger.kernel.org. The list
 address is:
 

trunk/Documentation/networking/ip-sysctl.txt

@@ -1440,6 +1440,20 @@ path_max_retrans - INTEGER
 
 	Default: 5
 
+pf_retrans - INTEGER
+	The number of retransmissions that will be attempted on a given path
+	before traffic is redirected to an alternate transport (should one
+	exist).  Note this is distinct from path_max_retrans, as a path that
+	passes the pf_retrans threshold can still be used.  Its only
+	deprioritized when a transmission path is selected by the stack.  This
+	setting is primarily used to enable fast failover mechanisms without
+	having to reduce path_max_retrans to a very low value.  See:
+	http://www.ietf.org/id/draft-nishida-tsvwg-sctp-failover-05.txt
+	for details.  Note also that a value of pf_retrans > path_max_retrans
+	disables this feature
+
+	Default: 0
+
 rto_initial - INTEGER
 	The initial round trip timeout value in milliseconds that will be used
 	in calculating round trip times.  This is the initial time interval

trunk/Documentation/networking/openvswitch.txt

@@ -118,7 +118,7 @@ essentially like this, ignoring metadata:
 Naively, to add VLAN support, it makes sense to add a new "vlan" flow
 key attribute to contain the VLAN tag, then continue to decode the
 encapsulated headers beyond the VLAN tag using the existing field
-definitions.  With this change, an TCP packet in VLAN 10 would have a
+definitions.  With this change, a TCP packet in VLAN 10 would have a
 flow key much like this:
 
     eth(...), vlan(vid=10, pcp=0), eth_type(0x0800), ip(proto=6, ...), tcp(...)

trunk/drivers/net/dummy.c

@@ -63,10 +63,10 @@ static struct rtnl_link_stats64 *dummy_get_stats64(struct net_device *dev,
 
 		dstats = per_cpu_ptr(dev->dstats, i);
 		do {
-			start = u64_stats_fetch_begin(&dstats->syncp);
+			start = u64_stats_fetch_begin_bh(&dstats->syncp);
 			tbytes = dstats->tx_bytes;
 			tpackets = dstats->tx_packets;
-		} while (u64_stats_fetch_retry(&dstats->syncp, start));
+		} while (u64_stats_fetch_retry_bh(&dstats->syncp, start));
 		stats->tx_bytes += tbytes;
 		stats->tx_packets += tpackets;
 	}

trunk/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c

@@ -2978,6 +2978,7 @@ static const struct ethtool_ops bnx2x_ethtool_ops = {
 	.get_module_eeprom	= bnx2x_get_module_eeprom,
 	.get_eee		= bnx2x_get_eee,
 	.set_eee		= bnx2x_set_eee,
+	.get_ts_info		= ethtool_op_get_ts_info,
 };
 
 void bnx2x_set_ethtool_ops(struct net_device *netdev)

trunk/drivers/net/ethernet/intel/e1000/e1000_ethtool.c

@@ -1851,6 +1851,7 @@ static const struct ethtool_ops e1000_ethtool_ops = {
 	.get_sset_count         = e1000_get_sset_count,
 	.get_coalesce           = e1000_get_coalesce,
 	.set_coalesce           = e1000_set_coalesce,
+	.get_ts_info		= ethtool_op_get_ts_info,
 };
 
 void e1000_set_ethtool_ops(struct net_device *netdev)

trunk/drivers/net/ethernet/intel/e1000e/ethtool.c

@@ -2061,6 +2061,7 @@ static const struct ethtool_ops e1000_ethtool_ops = {
 	.get_coalesce		= e1000_get_coalesce,
 	.set_coalesce		= e1000_set_coalesce,
 	.get_rxnfc		= e1000_get_rxnfc,
+	.get_ts_info		= ethtool_op_get_ts_info,
 };
 
 void e1000e_set_ethtool_ops(struct net_device *netdev)

trunk/drivers/net/ethernet/intel/igb/igb_main.c

@@ -1500,11 +1500,12 @@ static void igb_configure(struct igb_adapter *adapter)
  **/
 void igb_power_up_link(struct igb_adapter *adapter)
 {
+	igb_reset_phy(&adapter->hw);
+
 	if (adapter->hw.phy.media_type == e1000_media_type_copper)
 		igb_power_up_phy_copper(&adapter->hw);
 	else
 		igb_power_up_serdes_link_82575(&adapter->hw);
-	igb_reset_phy(&adapter->hw);
 }
 
 /**

trunk/drivers/net/ethernet/intel/ixgbe/ixgbe.h

@@ -77,17 +77,18 @@
 #define IXGBE_MAX_FCPAUSE		 0xFFFF
 
 /* Supported Rx Buffer Sizes */
-#define IXGBE_RXBUFFER_512   512    /* Used for packet split */
+#define IXGBE_RXBUFFER_256    256  /* Used for skb receive header */
 #define IXGBE_MAX_RXBUFFER  16384  /* largest size for a single descriptor */
 
 /*
- * NOTE: netdev_alloc_skb reserves up to 64 bytes, NET_IP_ALIGN mans we
- * reserve 2 more, and skb_shared_info adds an additional 384 bytes more,
- * this adds up to 512 bytes of extra data meaning the smallest allocation
- * we could have is 1K.
- * i.e. RXBUFFER_512 --> size-1024 slab
+ * NOTE: netdev_alloc_skb reserves up to 64 bytes, NET_IP_ALIGN means we
+ * reserve 64 more, and skb_shared_info adds an additional 320 bytes more,
+ * this adds up to 448 bytes of extra data.
+ *
+ * Since netdev_alloc_skb now allocates a page fragment we can use a value
+ * of 256 and the resultant skb will have a truesize of 960 or less.
  */
-#define IXGBE_RX_HDR_SIZE IXGBE_RXBUFFER_512
+#define IXGBE_RX_HDR_SIZE IXGBE_RXBUFFER_256
 
 #define MAXIMUM_ETHERNET_VLAN_SIZE (ETH_FRAME_LEN + ETH_FCS_LEN + VLAN_HLEN)
 
@@ -130,7 +131,6 @@ struct vf_data_storage {
 	u16 tx_rate;
 	u16 vlan_count;
 	u8 spoofchk_enabled;
-	struct pci_dev *vfdev;
 };
 
 struct vf_macvlans {

trunk/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb.c

@@ -232,18 +232,22 @@ u8 ixgbe_dcb_get_tc_from_up(struct ixgbe_dcb_config *cfg, int direction, u8 up)
 {
 	struct tc_configuration *tc_config = &cfg->tc_config[0];
 	u8 prio_mask = 1 << up;
-	u8 tc;
+	u8 tc = cfg->num_tcs.pg_tcs;
+
+	/* If tc is 0 then DCB is likely not enabled or supported */
+	if (!tc)
+		goto out;
 
 	/*
-	 * Test for TCs 7 through 1 and report the first match we find.  If
+	 * Test from maximum TC to 1 and report the first match we find.  If
 	 * we find no match we can assume that the TC is 0 since the TC must
 	 * be set for all user priorities
 	 */
-	for (tc = MAX_TRAFFIC_CLASS - 1; tc; tc--) {
+	for (tc--; tc; tc--) {
 		if (prio_mask & tc_config[tc].path[direction].up_to_tc_bitmap)
 			break;
 	}
-
+out:
 	return tc;
 }
 

trunk/drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c

@@ -370,6 +370,9 @@ static bool ixgbe_set_dcb_sriov_queues(struct ixgbe_adapter *adapter)
 	adapter->ring_feature[RING_F_RSS].indices = 1;
 	adapter->ring_feature[RING_F_RSS].mask = IXGBE_RSS_DISABLED_MASK;
 
+	/* disable ATR as it is not supported when VMDq is enabled */
+	adapter->flags &= ~IXGBE_FLAG_FDIR_HASH_CAPABLE;
+
 	adapter->num_rx_pools = vmdq_i;
 	adapter->num_rx_queues_per_pool = tcs;
 
@@ -450,6 +453,9 @@ static bool ixgbe_set_dcb_queues(struct ixgbe_adapter *adapter)
 	f->indices = rss_i;
 	f->mask = rss_m;
 
+	/* disable ATR as it is not supported when multiple TCs are enabled */
+	adapter->flags &= ~IXGBE_FLAG_FDIR_HASH_CAPABLE;
+
 #ifdef IXGBE_FCOE
 	/* FCoE enabled queues require special configuration indexed
 	 * by feature specific indices and offset. Here we map FCoE
@@ -606,16 +612,22 @@ static bool ixgbe_set_rss_queues(struct ixgbe_adapter *adapter)
 	f->indices = rss_i;
 	f->mask = IXGBE_RSS_16Q_MASK;
 
+	/* disable ATR by default, it will be configured below */
+	adapter->flags &= ~IXGBE_FLAG_FDIR_HASH_CAPABLE;
+
 	/*
 	 * Use Flow Director in addition to RSS to ensure the best
 	 * distribution of flows across cores, even when an FDIR flow
 	 * isn't matched.
 	 */
-	if (adapter->flags & IXGBE_FLAG_FDIR_HASH_CAPABLE) {
+	if (rss_i > 1 && adapter->atr_sample_rate) {
 		f = &adapter->ring_feature[RING_F_FDIR];
 
 		f->indices = min_t(u16, num_online_cpus(), f->limit);
 		rss_i = max_t(u16, rss_i, f->indices);
+
+		if (!(adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE))
+			adapter->flags |= IXGBE_FLAG_FDIR_HASH_CAPABLE;
 	}
 
 #ifdef IXGBE_FCOE
@@ -1053,18 +1065,27 @@ static void ixgbe_set_interrupt_capability(struct ixgbe_adapter *adapter)
 			return;
 	}
 
-	adapter->flags &= ~IXGBE_FLAG_DCB_ENABLED;
-	if (adapter->flags & IXGBE_FLAG_FDIR_HASH_CAPABLE) {
-		e_err(probe,
-		      "ATR is not supported while multiple "
-		      "queues are disabled.  Disabling Flow Director\n");
+	/* disable DCB if number of TCs exceeds 1 */
+	if (netdev_get_num_tc(adapter->netdev) > 1) {
+		e_err(probe, "num TCs exceeds number of queues - disabling DCB\n");
+		netdev_reset_tc(adapter->netdev);
+
+		if (adapter->hw.mac.type == ixgbe_mac_82598EB)
+			adapter->hw.fc.requested_mode = adapter->last_lfc_mode;
+
+		adapter->flags &= ~IXGBE_FLAG_DCB_ENABLED;
+		adapter->temp_dcb_cfg.pfc_mode_enable = false;
+		adapter->dcb_cfg.pfc_mode_enable = false;
 	}
-	adapter->flags &= ~IXGBE_FLAG_FDIR_HASH_CAPABLE;
-	adapter->atr_sample_rate = 0;
-	if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED)
-		ixgbe_disable_sriov(adapter);
+	adapter->dcb_cfg.num_tcs.pg_tcs = 1;
+	adapter->dcb_cfg.num_tcs.pfc_tcs = 1;
+
+	/* disable SR-IOV */
+	ixgbe_disable_sriov(adapter);
 
+	/* disable RSS */
 	adapter->ring_feature[RING_F_RSS].limit = 1;
+
 	ixgbe_set_num_queues(adapter);
 	adapter->num_q_vectors = 1;