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

Pull networking updates from David Miller:

 1) Seccomp BPF filters can now be JIT'd, from Alexei Starovoitov.

 2) Multiqueue support in xen-netback and xen-netfront, from Andrew J
    Benniston.

 3) Allow tweaking of aggregation settings in cdc_ncm driver, from Bjørn
    Mork.

 4) BPF now has a "random" opcode, from Chema Gonzalez.

 5) Add more BPF documentation and improve test framework, from Daniel
    Borkmann.

 6) Support TCP fastopen over ipv6, from Daniel Lee.

 7) Add software TSO helper functions and use them to support software
    TSO in mvneta and mv643xx_eth drivers.  From Ezequiel Garcia.

 8) Support software TSO in fec driver too, from Nimrod Andy.

 9) Add Broadcom SYSTEMPORT driver, from Florian Fainelli.

10) Handle broadcasts more gracefully over macvlan when there are large
    numbers of interfaces configured, from Herbert Xu.

11) Allow more control over fwmark used for non-socket based responses,
    from Lorenzo Colitti.

12) Do TCP congestion window limiting based upon measurements, from Neal
    Cardwell.

13) Support busy polling in SCTP, from Neal Horman.

14) Allow RSS key to be configured via ethtool, from Venkata Duvvuru.

15) Bridge promisc mode handling improvements from Vlad Yasevich.

16) Don't use inetpeer entries to implement ID generation any more, it
    performs poorly, from Eric Dumazet.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1522 commits)
  rtnetlink: fix userspace API breakage for iproute2 < v3.9.0
  tcp: fixing TLP's FIN recovery
  net: fec: Add software TSO support
  net: fec: Add Scatter/gather support
  net: fec: Increase buffer descriptor entry number
  net: fec: Factorize feature setting
  net: fec: Enable IP header hardware checksum
  net: fec: Factorize the .xmit transmit function
  bridge: fix compile error when compiling without IPv6 support
  bridge: fix smatch warning / potential null pointer dereference
  via-rhine: fix full-duplex with autoneg disable
  bnx2x: Enlarge the dorq threshold for VFs
  bnx2x: Check for UNDI in uncommon branch
  bnx2x: Fix 1G-baseT link
  bnx2x: Fix link for KR with swapped polarity lane
  sctp: Fix sk_ack_backlog wrap-around problem
  net/core: Add VF link state control policy
  net/fsl: xgmac_mdio is dependent on OF_MDIO
  net/fsl: Make xgmac_mdio read error message useful
  net_sched: drr: warn when qdisc is not work conserving
  ...

1 files changed, 27 insertions, 35 deletions

diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c b/drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c
index e294f012647d..2dc0bac76717 100644
--- a/drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c
+++ b/drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c
@@ -12,6 +12,9 @@
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  * more details.
  *
+ * You should have received a copy of the GNU General Public License along
+ * with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
  * The full GNU General Public License is included in this distribution in
  * the file called "COPYING".
  *
@@ -216,11 +219,9 @@ void i40evf_configure_queues(struct i40evf_adapter *adapter)
 	len = sizeof(struct i40e_virtchnl_vsi_queue_config_info) +
 		       (sizeof(struct i40e_virtchnl_queue_pair_info) * pairs);
 	vqci = kzalloc(len, GFP_ATOMIC);
-	if (!vqci) {
-		dev_err(&adapter->pdev->dev, "%s: unable to allocate memory\n",
-			__func__);
+	if (!vqci)
 		return;
-	}
+
 	vqci->vsi_id = adapter->vsi_res->vsi_id;
 	vqci->num_queue_pairs = pairs;
 	vqpi = vqci->qpair;
@@ -232,6 +233,9 @@ void i40evf_configure_queues(struct i40evf_adapter *adapter)
 		vqpi->txq.queue_id = i;
 		vqpi->txq.ring_len = adapter->tx_rings[i]->count;
 		vqpi->txq.dma_ring_addr = adapter->tx_rings[i]->dma;
+		vqpi->txq.headwb_enabled = 1;
+		vqpi->txq.dma_headwb_addr = vqpi->txq.dma_ring_addr +
+		    (vqpi->txq.ring_len * sizeof(struct i40e_tx_desc));
 
 		vqpi->rxq.vsi_id = vqci->vsi_id;
 		vqpi->rxq.queue_id = i;
@@ -329,11 +333,8 @@ void i40evf_map_queues(struct i40evf_adapter *adapter)
 	      (adapter->num_msix_vectors *
 		sizeof(struct i40e_virtchnl_vector_map));
 	vimi = kzalloc(len, GFP_ATOMIC);
-	if (!vimi) {
-		dev_err(&adapter->pdev->dev, "%s: unable to allocate memory\n",
-			__func__);
+	if (!vimi)
 		return;
-	}
 
 	vimi->num_vectors = adapter->num_msix_vectors;
 	/* Queue vectors first */
@@ -390,7 +391,7 @@ void i40evf_add_ether_addrs(struct i40evf_adapter *adapter)
 	len = sizeof(struct i40e_virtchnl_ether_addr_list) +
 	      (count * sizeof(struct i40e_virtchnl_ether_addr));
 	if (len > I40EVF_MAX_AQ_BUF_SIZE) {
-		dev_warn(&adapter->pdev->dev, "%s: Too many MAC address changes in one request.\n",
+		dev_warn(&adapter->pdev->dev, "%s: Too many MAC address changes in one request\n",
 			__func__);
 		count = (I40EVF_MAX_AQ_BUF_SIZE -
 			 sizeof(struct i40e_virtchnl_ether_addr_list)) /
@@ -399,16 +400,14 @@ void i40evf_add_ether_addrs(struct i40evf_adapter *adapter)
 	}
 
 	veal = kzalloc(len, GFP_ATOMIC);
-	if (!veal) {
-		dev_err(&adapter->pdev->dev, "%s: unable to allocate memory\n",
-			__func__);
+	if (!veal)
 		return;
-	}
+
 	veal->vsi_id = adapter->vsi_res->vsi_id;
 	veal->num_elements = count;
 	list_for_each_entry(f, &adapter->mac_filter_list, list) {
 		if (f->add) {
-			memcpy(veal->list[i].addr, f->macaddr, ETH_ALEN);
+			ether_addr_copy(veal->list[i].addr, f->macaddr);
 			i++;
 			f->add = false;
 		}
@@ -454,7 +453,7 @@ void i40evf_del_ether_addrs(struct i40evf_adapter *adapter)
 	len = sizeof(struct i40e_virtchnl_ether_addr_list) +
 	      (count * sizeof(struct i40e_virtchnl_ether_addr));
 	if (len > I40EVF_MAX_AQ_BUF_SIZE) {
-		dev_warn(&adapter->pdev->dev, "%s: Too many MAC address changes in one request.\n",
+		dev_warn(&adapter->pdev->dev, "%s: Too many MAC address changes in one request\n",
 			__func__);
 		count = (I40EVF_MAX_AQ_BUF_SIZE -
 			 sizeof(struct i40e_virtchnl_ether_addr_list)) /
@@ -462,16 +461,14 @@ void i40evf_del_ether_addrs(struct i40evf_adapter *adapter)
 		len = I40EVF_MAX_AQ_BUF_SIZE;
 	}
 	veal = kzalloc(len, GFP_ATOMIC);
-	if (!veal) {
-		dev_err(&adapter->pdev->dev, "%s: unable to allocate memory\n",
-			__func__);
+	if (!veal)
 		return;
-	}
+
 	veal->vsi_id = adapter->vsi_res->vsi_id;
 	veal->num_elements = count;
 	list_for_each_entry_safe(f, ftmp, &adapter->mac_filter_list, list) {
 		if (f->remove) {
-			memcpy(veal->list[i].addr, f->macaddr, ETH_ALEN);
+			ether_addr_copy(veal->list[i].addr, f->macaddr);
 			i++;
 			list_del(&f->list);
 			kfree(f);
@@ -518,7 +515,7 @@ void i40evf_add_vlans(struct i40evf_adapter *adapter)
 	len = sizeof(struct i40e_virtchnl_vlan_filter_list) +
 	      (count * sizeof(u16));
 	if (len > I40EVF_MAX_AQ_BUF_SIZE) {
-		dev_warn(&adapter->pdev->dev, "%s: Too many VLAN changes in one request.\n",
+		dev_warn(&adapter->pdev->dev, "%s: Too many VLAN changes in one request\n",
 			__func__);
 		count = (I40EVF_MAX_AQ_BUF_SIZE -
 			 sizeof(struct i40e_virtchnl_vlan_filter_list)) /
@@ -526,11 +523,9 @@ void i40evf_add_vlans(struct i40evf_adapter *adapter)
 		len = I40EVF_MAX_AQ_BUF_SIZE;
 	}
 	vvfl = kzalloc(len, GFP_ATOMIC);
-	if (!vvfl) {
-		dev_err(&adapter->pdev->dev, "%s: unable to allocate memory\n",
-			__func__);
+	if (!vvfl)
 		return;
-	}
+
 	vvfl->vsi_id = adapter->vsi_res->vsi_id;
 	vvfl->num_elements = count;
 	list_for_each_entry(f, &adapter->vlan_filter_list, list) {
@@ -580,7 +575,7 @@ void i40evf_del_vlans(struct i40evf_adapter *adapter)
 	len = sizeof(struct i40e_virtchnl_vlan_filter_list) +
 	      (count * sizeof(u16));
 	if (len > I40EVF_MAX_AQ_BUF_SIZE) {
-		dev_warn(&adapter->pdev->dev, "%s: Too many VLAN changes in one request.\n",
+		dev_warn(&adapter->pdev->dev, "%s: Too many VLAN changes in one request\n",
 			__func__);
 		count = (I40EVF_MAX_AQ_BUF_SIZE -
 			 sizeof(struct i40e_virtchnl_vlan_filter_list)) /
@@ -588,11 +583,9 @@ void i40evf_del_vlans(struct i40evf_adapter *adapter)
 		len = I40EVF_MAX_AQ_BUF_SIZE;
 	}
 	vvfl = kzalloc(len, GFP_ATOMIC);
-	if (!vvfl) {
-		dev_err(&adapter->pdev->dev, "%s: unable to allocate memory\n",
-			__func__);
+	if (!vvfl)
 		return;
-	}
+
 	vvfl->vsi_id = adapter->vsi_res->vsi_id;
 	vvfl->num_elements = count;
 	list_for_each_entry_safe(f, ftmp, &adapter->vlan_filter_list, list) {
@@ -721,7 +714,7 @@ void i40evf_virtchnl_completion(struct i40evf_adapter *adapter,
 		return;
 	}
 	if (v_opcode != adapter->current_op) {
-		dev_err(&adapter->pdev->dev, "%s: Pending op is %d, received %d.\n",
+		dev_err(&adapter->pdev->dev, "%s: Pending op is %d, received %d\n",
 			__func__, adapter->current_op, v_opcode);
 		/* We're probably completely screwed at this point, but clear
 		 * the current op and try to carry on....
@@ -730,7 +723,7 @@ void i40evf_virtchnl_completion(struct i40evf_adapter *adapter,
 		return;
 	}
 	if (v_retval) {
-		dev_err(&adapter->pdev->dev, "%s: PF returned error %d to our request %d!\n",
+		dev_err(&adapter->pdev->dev, "%s: PF returned error %d to our request %d\n",
 			__func__, v_retval, v_opcode);
 	}
 	switch (v_opcode) {
@@ -745,9 +738,8 @@ void i40evf_virtchnl_completion(struct i40evf_adapter *adapter,
 						 stats->tx_broadcast;
 		adapter->net_stats.rx_bytes = stats->rx_bytes;
 		adapter->net_stats.tx_bytes = stats->tx_bytes;
-		adapter->net_stats.rx_errors = stats->rx_errors;
 		adapter->net_stats.tx_errors = stats->tx_errors;
-		adapter->net_stats.rx_dropped = stats->rx_missed;
+		adapter->net_stats.rx_dropped = stats->rx_discards;
 		adapter->net_stats.tx_dropped = stats->tx_discards;
 		adapter->current_stats = *stats;
 		}
@@ -781,7 +773,7 @@ void i40evf_virtchnl_completion(struct i40evf_adapter *adapter,
 		adapter->aq_pending &= ~(I40EVF_FLAG_AQ_MAP_VECTORS);
 		break;
 	default:
-		dev_warn(&adapter->pdev->dev, "%s: Received unexpected message %d from PF.\n",
+		dev_warn(&adapter->pdev->dev, "%s: Received unexpected message %d from PF\n",
 			__func__, v_opcode);
 		break;
 	} /* switch v_opcode */