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

Pull networking updates from David Miller:
 "Highlights:

   1) Steady transitioning of the BPF instructure to a generic spot so
      all kernel subsystems can make use of it, from Alexei Starovoitov.

   2) SFC driver supports busy polling, from Alexandre Rames.

   3) Take advantage of hash table in UDP multicast delivery, from David
      Held.

   4) Lighten locking, in particular by getting rid of the LRU lists, in
      inet frag handling.  From Florian Westphal.

   5) Add support for various RFC6458 control messages in SCTP, from
      Geir Ola Vaagland.

   6) Allow to filter bridge forwarding database dumps by device, from
      Jamal Hadi Salim.

   7) virtio-net also now supports busy polling, from Jason Wang.

   8) Some low level optimization tweaks in pktgen from Jesper Dangaard
      Brouer.

   9) Add support for ipv6 address generation modes, so that userland
      can have some input into the process.  From Jiri Pirko.

  10) Consolidate common TCP connection request code in ipv4 and ipv6,
      from Octavian Purdila.

  11) New ARP packet logger in netfilter, from Pablo Neira Ayuso.

  12) Generic resizable RCU hash table, with intial users in netlink and
      nftables.  From Thomas Graf.

  13) Maintain a name assignment type so that userspace can see where a
      network device name came from (enumerated by kernel, assigned
      explicitly by userspace, etc.) From Tom Gundersen.

  14) Automatic flow label generation on transmit in ipv6, from Tom
      Herbert.

  15) New packet timestamping facilities from Willem de Bruijn, meant to
      assist in measuring latencies going into/out-of the packet
      scheduler, latency from TCP data transmission to ACK, etc"

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1536 commits)
  cxgb4 : Disable recursive mailbox commands when enabling vi
  net: reduce USB network driver config options.
  tg3: Modify tg3_tso_bug() to handle multiple TX rings
  amd-xgbe: Perform phy connect/disconnect at dev open/stop
  amd-xgbe: Use dma_set_mask_and_coherent to set DMA mask
  net: sun4i-emac: fix memory leak on bad packet
  sctp: fix possible seqlock seadlock in sctp_packet_transmit()
  Revert "net: phy: Set the driver when registering an MDIO bus device"
  cxgb4vf: Turn off SGE RX/TX Callback Timers and interrupts in PCI shutdown routine
  team: Simplify return path of team_newlink
  bridge: Update outdated comment on promiscuous mode
  net-timestamp: ACK timestamp for bytestreams
  net-timestamp: TCP timestamping
  net-timestamp: SCHED timestamp on entering packet scheduler
  net-timestamp: add key to disambiguate concurrent datagrams
  net-timestamp: move timestamp flags out of sk_flags
  net-timestamp: extend SCM_TIMESTAMPING ancillary data struct
  cxgb4i : Move stray CPL definitions to cxgb4 driver
  tcp: reduce spurious retransmits due to transient SACK reneging
  qlcnic: Initialize dcbnl_ops before register_netdev
  ...

1 files changed, 264 insertions, 0 deletions

diff --git a/drivers/net/usb/ax88179_178a.c b/drivers/net/usb/ax88179_178a.c
index 054e59ca6946..be4275721039 100644
--- a/drivers/net/usb/ax88179_178a.c
+++ b/drivers/net/usb/ax88179_178a.c
@@ -23,6 +23,8 @@
 #include <linux/usb.h>
 #include <linux/crc32.h>
 #include <linux/usb/usbnet.h>
+#include <uapi/linux/mdio.h>
+#include <linux/mdio.h>
 
 #define AX88179_PHY_ID				0x03
 #define AX_EEPROM_LEN				0x100
@@ -170,8 +172,12 @@
 #define GMII_PHY_PAGE_SELECT			0x1f
 	#define GMII_PHY_PGSEL_EXT	0x0007
 	#define GMII_PHY_PGSEL_PAGE0	0x0000
+	#define GMII_PHY_PGSEL_PAGE3	0x0003
+	#define GMII_PHY_PGSEL_PAGE5	0x0005
 
 struct ax88179_data {
+	u8  eee_enabled;
+	u8  eee_active;
 	u16 rxctl;
 	u16 reserved;
 };
@@ -373,6 +379,60 @@ static void ax88179_mdio_write(struct net_device *netdev, int phy_id, int loc,
 	ax88179_write_cmd(dev, AX_ACCESS_PHY, phy_id, (__u16)loc, 2, &res);
 }
 
+static inline int ax88179_phy_mmd_indirect(struct usbnet *dev, u16 prtad,
+					   u16 devad)
+{
+	u16 tmp16;
+	int ret;
+
+	tmp16 = devad;
+	ret = ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
+				MII_MMD_CTRL, 2, &tmp16);
+
+	tmp16 = prtad;
+	ret = ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
+				MII_MMD_DATA, 2, &tmp16);
+
+	tmp16 = devad | MII_MMD_CTRL_NOINCR;
+	ret = ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
+				MII_MMD_CTRL, 2, &tmp16);
+
+	return ret;
+}
+
+static int
+ax88179_phy_read_mmd_indirect(struct usbnet *dev, u16 prtad, u16 devad)
+{
+	int ret;
+	u16 tmp16;
+
+	ax88179_phy_mmd_indirect(dev, prtad, devad);
+
+	ret = ax88179_read_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
+			       MII_MMD_DATA, 2, &tmp16);
+	if (ret < 0)
+		return ret;
+
+	return tmp16;
+}
+
+static int
+ax88179_phy_write_mmd_indirect(struct usbnet *dev, u16 prtad, u16 devad,
+			       u16 data)
+{
+	int ret;
+
+	ax88179_phy_mmd_indirect(dev, prtad, devad);
+
+	ret = ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
+				MII_MMD_DATA, 2, &data);
+
+	if (ret < 0)
+		return ret;
+
+	return 0;
+}
+
 static int ax88179_suspend(struct usb_interface *intf, pm_message_t message)
 {
 	struct usbnet *dev = usb_get_intfdata(intf);
@@ -572,6 +632,185 @@ static int ax88179_set_settings(struct net_device *net, struct ethtool_cmd *cmd)
 	return mii_ethtool_sset(&dev->mii, cmd);
 }
 
+static int
+ax88179_ethtool_get_eee(struct usbnet *dev, struct ethtool_eee *data)
+{
+	int val;
+
+	/* Get Supported EEE */
+	val = ax88179_phy_read_mmd_indirect(dev, MDIO_PCS_EEE_ABLE,
+					    MDIO_MMD_PCS);
+	if (val < 0)
+		return val;
+	data->supported = mmd_eee_cap_to_ethtool_sup_t(val);
+
+	/* Get advertisement EEE */
+	val = ax88179_phy_read_mmd_indirect(dev, MDIO_AN_EEE_ADV,
+					    MDIO_MMD_AN);
+	if (val < 0)
+		return val;
+	data->advertised = mmd_eee_adv_to_ethtool_adv_t(val);
+
+	/* Get LP advertisement EEE */
+	val = ax88179_phy_read_mmd_indirect(dev, MDIO_AN_EEE_LPABLE,
+					    MDIO_MMD_AN);
+	if (val < 0)
+		return val;
+	data->lp_advertised = mmd_eee_adv_to_ethtool_adv_t(val);
+
+	return 0;
+}
+
+static int
+ax88179_ethtool_set_eee(struct usbnet *dev, struct ethtool_eee *data)
+{
+	u16 tmp16 = ethtool_adv_to_mmd_eee_adv_t(data->advertised);
+
+	return ax88179_phy_write_mmd_indirect(dev, MDIO_AN_EEE_ADV,
+					      MDIO_MMD_AN, tmp16);
+}
+
+static int ax88179_chk_eee(struct usbnet *dev)
+{
+	struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
+	struct ax88179_data *priv = (struct ax88179_data *)dev->data;
+
+	mii_ethtool_gset(&dev->mii, &ecmd);
+
+	if (ecmd.duplex & DUPLEX_FULL) {
+		int eee_lp, eee_cap, eee_adv;
+		u32 lp, cap, adv, supported = 0;
+
+		eee_cap = ax88179_phy_read_mmd_indirect(dev,
+							MDIO_PCS_EEE_ABLE,
+							MDIO_MMD_PCS);
+		if (eee_cap < 0) {
+			priv->eee_active = 0;
+			return false;
+		}
+
+		cap = mmd_eee_cap_to_ethtool_sup_t(eee_cap);
+		if (!cap) {
+			priv->eee_active = 0;
+			return false;
+		}
+
+		eee_lp = ax88179_phy_read_mmd_indirect(dev,
+						       MDIO_AN_EEE_LPABLE,
+						       MDIO_MMD_AN);
+		if (eee_lp < 0) {
+			priv->eee_active = 0;
+			return false;
+		}
+
+		eee_adv = ax88179_phy_read_mmd_indirect(dev,
+							MDIO_AN_EEE_ADV,
+							MDIO_MMD_AN);
+
+		if (eee_adv < 0) {
+			priv->eee_active = 0;
+			return false;
+		}
+
+		adv = mmd_eee_adv_to_ethtool_adv_t(eee_adv);
+		lp = mmd_eee_adv_to_ethtool_adv_t(eee_lp);
+		supported = (ecmd.speed == SPEED_1000) ?
+			     SUPPORTED_1000baseT_Full :
+			     SUPPORTED_100baseT_Full;
+
+		if (!(lp & adv & supported)) {
+			priv->eee_active = 0;
+			return false;
+		}
+
+		priv->eee_active = 1;
+		return true;
+	}
+
+	priv->eee_active = 0;
+	return false;
+}
+
+static void ax88179_disable_eee(struct usbnet *dev)
+{
+	u16 tmp16;
+
+	tmp16 = GMII_PHY_PGSEL_PAGE3;
+	ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
+			  GMII_PHY_PAGE_SELECT, 2, &tmp16);
+
+	tmp16 = 0x3246;
+	ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
+			  MII_PHYADDR, 2, &tmp16);
+
+	tmp16 = GMII_PHY_PGSEL_PAGE0;
+	ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
+			  GMII_PHY_PAGE_SELECT, 2, &tmp16);
+}
+
+static void ax88179_enable_eee(struct usbnet *dev)
+{
+	u16 tmp16;
+
+	tmp16 = GMII_PHY_PGSEL_PAGE3;
+	ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
+			  GMII_PHY_PAGE_SELECT, 2, &tmp16);
+
+	tmp16 = 0x3247;
+	ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
+			  MII_PHYADDR, 2, &tmp16);
+
+	tmp16 = GMII_PHY_PGSEL_PAGE5;
+	ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
+			  GMII_PHY_PAGE_SELECT, 2, &tmp16);
+
+	tmp16 = 0x0680;
+	ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
+			  MII_BMSR, 2, &tmp16);
+
+	tmp16 = GMII_PHY_PGSEL_PAGE0;
+	ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
+			  GMII_PHY_PAGE_SELECT, 2, &tmp16);
+}
+
+static int ax88179_get_eee(struct net_device *net, struct ethtool_eee *edata)
+{
+	struct usbnet *dev = netdev_priv(net);
+	struct ax88179_data *priv = (struct ax88179_data *)dev->data;
+
+	edata->eee_enabled = priv->eee_enabled;
+	edata->eee_active = priv->eee_active;
+
+	return ax88179_ethtool_get_eee(dev, edata);
+}
+
+static int ax88179_set_eee(struct net_device *net, struct ethtool_eee *edata)
+{
+	struct usbnet *dev = netdev_priv(net);
+	struct ax88179_data *priv = (struct ax88179_data *)dev->data;
+	int ret = -EOPNOTSUPP;
+
+	priv->eee_enabled = edata->eee_enabled;
+	if (!priv->eee_enabled) {
+		ax88179_disable_eee(dev);
+	} else {
+		priv->eee_enabled = ax88179_chk_eee(dev);
+		if (!priv->eee_enabled)
+			return -EOPNOTSUPP;
+
+		ax88179_enable_eee(dev);
+	}
+
+	ret = ax88179_ethtool_set_eee(dev, edata);
+	if (ret)
+		return ret;
+
+	mii_nway_restart(&dev->mii);
+
+	usbnet_link_change(dev, 0, 0);
+
+	return ret;
+}
 
 static int ax88179_ioctl(struct net_device *net, struct ifreq *rq, int cmd)
 {
@@ -589,6 +828,8 @@ static const struct ethtool_ops ax88179_ethtool_ops = {
 	.get_eeprom		= ax88179_get_eeprom,
 	.get_settings		= ax88179_get_settings,
 	.set_settings		= ax88179_set_settings,
+	.get_eee		= ax88179_get_eee,
+	.set_eee		= ax88179_set_eee,
 	.nway_reset		= usbnet_nway_reset,
 };
 
@@ -980,6 +1221,7 @@ static int ax88179_bind(struct usbnet *dev, struct usb_interface *intf)
 	u16 *tmp16;
 	u8 *tmp;
 	struct ax88179_data *ax179_data = (struct ax88179_data *)dev->data;
+	struct ethtool_eee eee_data;
 
 	usbnet_get_endpoints(dev, intf);
 
@@ -1062,6 +1304,15 @@ static int ax88179_bind(struct usbnet *dev, struct usb_interface *intf)
 
 	ax88179_led_setting(dev);
 
+	ax179_data->eee_enabled = 0;
+	ax179_data->eee_active = 0;
+
+	ax88179_disable_eee(dev);
+
+	ax88179_ethtool_get_eee(dev, &eee_data);
+	eee_data.advertised = 0;
+	ax88179_ethtool_set_eee(dev, &eee_data);
+
 	/* Restart autoneg */
 	mii_nway_restart(&dev->mii);
 
@@ -1261,6 +1512,8 @@ static int ax88179_link_reset(struct usbnet *dev)
 	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
 			  2, 2, &mode);
 
+	ax179_data->eee_enabled = ax88179_chk_eee(dev);
+
 	netif_carrier_on(dev->net);
 
 	return 0;
@@ -1271,6 +1524,8 @@ static int ax88179_reset(struct usbnet *dev)
 	u8 buf[5];
 	u16 *tmp16;
 	u8 *tmp;
+	struct ax88179_data *ax179_data = (struct ax88179_data *)dev->data;
+	struct ethtool_eee eee_data;
 
 	tmp16 = (u16 *)buf;
 	tmp = (u8 *)buf;
@@ -1340,6 +1595,15 @@ static int ax88179_reset(struct usbnet *dev)
 
 	ax88179_led_setting(dev);
 
+	ax179_data->eee_enabled = 0;
+	ax179_data->eee_active = 0;
+
+	ax88179_disable_eee(dev);
+
+	ax88179_ethtool_get_eee(dev, &eee_data);
+	eee_data.advertised = 0;
+	ax88179_ethtool_set_eee(dev, &eee_data);
+
 	/* Restart autoneg */
 	mii_nway_restart(&dev->mii);