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

Pull networking updates from Davic Miller:

 1) Support busy polling generically, for all NAPI drivers.  From Eric
    Dumazet.

 2) Add byte/packet counter support to nft_ct, from Floriani Westphal.

 3) Add RSS/XPS support to mvneta driver, from Gregory Clement.

 4) Implement IPV6_HDRINCL socket option for raw sockets, from Hannes
    Frederic Sowa.

 5) Add support for T6 adapter to cxgb4 driver, from Hariprasad Shenai.

 6) Add support for VLAN device bridging to mlxsw switch driver, from
    Ido Schimmel.

 7) Add driver for Netronome NFP4000/NFP6000, from Jakub Kicinski.

 8) Provide hwmon interface to mlxsw switch driver, from Jiri Pirko.

 9) Reorganize wireless drivers into per-vendor directories just like we
    do for ethernet drivers.  From Kalle Valo.

10) Provide a way for administrators "destroy" connected sockets via the
    SOCK_DESTROY socket netlink diag operation.  From Lorenzo Colitti.

11) Add support to add/remove multicast routes via netlink, from Nikolay
    Aleksandrov.

12) Make TCP keepalive settings per-namespace, from Nikolay Borisov.

13) Add forwarding and packet duplication facilities to nf_tables, from
    Pablo Neira Ayuso.

14) Dead route support in MPLS, from Roopa Prabhu.

15) TSO support for thunderx chips, from Sunil Goutham.

16) Add driver for IBM's System i/p VNIC protocol, from Thomas Falcon.

17) Rationalize, consolidate, and more completely document the checksum
    offloading facilities in the networking stack.  From Tom Herbert.

18) Support aborting an ongoing scan in mac80211/cfg80211, from
    Vidyullatha Kanchanapally.

19) Use per-bucket spinlock for bpf hash facility, from Tom Leiming.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1375 commits)
  net: bnxt: always return values from _bnxt_get_max_rings
  net: bpf: reject invalid shifts
  phonet: properly unshare skbs in phonet_rcv()
  dwc_eth_qos: Fix dma address for multi-fragment skbs
  phy: remove an unneeded condition
  mdio: remove an unneed condition
  mdio_bus: NULL dereference on allocation error
  net: Fix typo in netdev_intersect_features
  net: freescale: mac-fec: Fix build error from phy_device API change
  net: freescale: ucc_geth: Fix build error from phy_device API change
  bonding: Prevent IPv6 link local address on enslaved devices
  IB/mlx5: Add flow steering support
  net/mlx5_core: Export flow steering API
  net/mlx5_core: Make ipv4/ipv6 location more clear
  net/mlx5_core: Enable flow steering support for the IB driver
  net/mlx5_core: Initialize namespaces only when supported by device
  net/mlx5_core: Set priority attributes
  net/mlx5_core: Connect flow tables
  net/mlx5_core: Introduce modify flow table command
  net/mlx5_core: Managing root flow table
  ...

1 files changed, 80 insertions, 54 deletions

diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index 2fb637ad594a..d1f78c2c97aa 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -25,12 +25,13 @@
 #include <uapi/linux/mdio.h>
 #include <linux/mdio.h>
 #include <linux/usb/cdc.h>
+#include <linux/suspend.h>
 
 /* Information for net-next */
 #define NETNEXT_VERSION		"08"
 
 /* Information for net */
-#define NET_VERSION		"2"
+#define NET_VERSION		"3"
 
 #define DRIVER_VERSION		"v1." NETNEXT_VERSION "." NET_VERSION
 #define DRIVER_AUTHOR "Realtek linux nic maintainers <nic_swsd@realtek.com>"
@@ -604,6 +605,9 @@ struct r8152 {
 	struct delayed_work schedule;
 	struct mii_if_info mii;
 	struct mutex control;	/* use for hw setting */
+#ifdef CONFIG_PM_SLEEP
+	struct notifier_block pm_notifier;
+#endif
 
 	struct rtl_ops {
 		void (*init)(struct r8152 *);
@@ -1938,7 +1942,6 @@ static void _rtl8152_set_rx_mode(struct net_device *netdev)
 	__le32 tmp[2];
 	u32 ocp_data;
 
-	clear_bit(RTL8152_SET_RX_MODE, &tp->flags);
 	netif_stop_queue(netdev);
 	ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR);
 	ocp_data &= ~RCR_ACPT_ALL;
@@ -1986,7 +1989,7 @@ rtl8152_features_check(struct sk_buff *skb, struct net_device *dev,
 	int offset = skb_transport_offset(skb);
 
 	if ((mss || skb->ip_summed == CHECKSUM_PARTIAL) && offset > max_offset)
-		features &= ~(NETIF_F_ALL_CSUM | NETIF_F_GSO_MASK);
+		features &= ~(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK);
 	else if ((skb->len + sizeof(struct tx_desc)) > agg_buf_sz)
 		features &= ~NETIF_F_GSO_MASK;
 
@@ -2424,8 +2427,6 @@ static void rtl_phy_reset(struct r8152 *tp)
 	u16 data;
 	int i;
 
-	clear_bit(PHY_RESET, &tp->flags);
-
 	data = r8152_mdio_read(tp, MII_BMCR);
 
 	/* don't reset again before the previous one complete */
@@ -2455,23 +2456,23 @@ static void r8153_teredo_off(struct r8152 *tp)
 	ocp_write_dword(tp, MCU_TYPE_PLA, PLA_TEREDO_TIMER, 0);
 }
 
-static void r8152b_disable_aldps(struct r8152 *tp)
+static void r8152_aldps_en(struct r8152 *tp, bool enable)
 {
-	ocp_reg_write(tp, OCP_ALDPS_CONFIG, ENPDNPS | LINKENA | DIS_SDSAVE);
-	msleep(20);
-}
-
-static inline void r8152b_enable_aldps(struct r8152 *tp)
-{
-	ocp_reg_write(tp, OCP_ALDPS_CONFIG, ENPWRSAVE | ENPDNPS |
-					    LINKENA | DIS_SDSAVE);
+	if (enable) {
+		ocp_reg_write(tp, OCP_ALDPS_CONFIG, ENPWRSAVE | ENPDNPS |
+						    LINKENA | DIS_SDSAVE);
+	} else {
+		ocp_reg_write(tp, OCP_ALDPS_CONFIG, ENPDNPS | LINKENA |
+						    DIS_SDSAVE);
+		msleep(20);
+	}
 }
 
 static void rtl8152_disable(struct r8152 *tp)
 {
-	r8152b_disable_aldps(tp);
+	r8152_aldps_en(tp, false);
 	rtl_disable(tp);
-	r8152b_enable_aldps(tp);
+	r8152_aldps_en(tp, true);
 }
 
 static void r8152b_hw_phy_cfg(struct r8152 *tp)
@@ -2783,30 +2784,26 @@ static void r8153_enter_oob(struct r8152 *tp)
 	ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data);
 }
 
-static void r8153_disable_aldps(struct r8152 *tp)
-{
-	u16 data;
-
-	data = ocp_reg_read(tp, OCP_POWER_CFG);
-	data &= ~EN_ALDPS;
-	ocp_reg_write(tp, OCP_POWER_CFG, data);
-	msleep(20);
-}
-
-static void r8153_enable_aldps(struct r8152 *tp)
+static void r8153_aldps_en(struct r8152 *tp, bool enable)
 {
 	u16 data;
 
 	data = ocp_reg_read(tp, OCP_POWER_CFG);
-	data |= EN_ALDPS;
-	ocp_reg_write(tp, OCP_POWER_CFG, data);
+	if (enable) {
+		data |= EN_ALDPS;
+		ocp_reg_write(tp, OCP_POWER_CFG, data);
+	} else {
+		data &= ~EN_ALDPS;
+		ocp_reg_write(tp, OCP_POWER_CFG, data);
+		msleep(20);
+	}
 }
 
 static void rtl8153_disable(struct r8152 *tp)
 {
-	r8153_disable_aldps(tp);
+	r8153_aldps_en(tp, false);
 	rtl_disable(tp);
-	r8153_enable_aldps(tp);
+	r8153_aldps_en(tp, true);
 	usb_enable_lpm(tp->udev);
 }
 
@@ -2884,10 +2881,9 @@ static int rtl8152_set_speed(struct r8152 *tp, u8 autoneg, u16 speed, u8 duplex)
 	r8152_mdio_write(tp, MII_ADVERTISE, anar);
 	r8152_mdio_write(tp, MII_BMCR, bmcr);
 
-	if (test_bit(PHY_RESET, &tp->flags)) {
+	if (test_and_clear_bit(PHY_RESET, &tp->flags)) {
 		int i;
 
-		clear_bit(PHY_RESET, &tp->flags);
 		for (i = 0; i < 50; i++) {
 			msleep(20);
 			if ((r8152_mdio_read(tp, MII_BMCR) & BMCR_RESET) == 0)
@@ -2896,7 +2892,6 @@ static int rtl8152_set_speed(struct r8152 *tp, u8 autoneg, u16 speed, u8 duplex)
 	}
 
 out:
-
 	return ret;
 }
 
@@ -2905,9 +2900,9 @@ static void rtl8152_up(struct r8152 *tp)
 	if (test_bit(RTL8152_UNPLUG, &tp->flags))
 		return;
 
-	r8152b_disable_aldps(tp);
+	r8152_aldps_en(tp, false);
 	r8152b_exit_oob(tp);
-	r8152b_enable_aldps(tp);
+	r8152_aldps_en(tp, true);
 }
 
 static void rtl8152_down(struct r8152 *tp)
@@ -2918,9 +2913,9 @@ static void rtl8152_down(struct r8152 *tp)
 	}
 
 	r8152_power_cut_en(tp, false);
-	r8152b_disable_aldps(tp);
+	r8152_aldps_en(tp, false);
 	r8152b_enter_oob(tp);
-	r8152b_enable_aldps(tp);
+	r8152_aldps_en(tp, true);
 }
 
 static void rtl8153_up(struct r8152 *tp)
@@ -2929,9 +2924,9 @@ static void rtl8153_up(struct r8152 *tp)
 		return;
 
 	r8153_u1u2en(tp, false);
-	r8153_disable_aldps(tp);
+	r8153_aldps_en(tp, false);
 	r8153_first_init(tp);
-	r8153_enable_aldps(tp);
+	r8153_aldps_en(tp, true);
 	r8153_u2p3en(tp, true);
 	r8153_u1u2en(tp, true);
 	usb_enable_lpm(tp->udev);
@@ -2947,9 +2942,9 @@ static void rtl8153_down(struct r8152 *tp)
 	r8153_u1u2en(tp, false);
 	r8153_u2p3en(tp, false);
 	r8153_power_cut_en(tp, false);
-	r8153_disable_aldps(tp);
+	r8153_aldps_en(tp, false);
 	r8153_enter_oob(tp);
-	r8153_enable_aldps(tp);
+	r8153_aldps_en(tp, true);
 }
 
 static bool rtl8152_in_nway(struct r8152 *tp)
@@ -2983,7 +2978,6 @@ static void set_carrier(struct r8152 *tp)
 	struct net_device *netdev = tp->netdev;
 	u8 speed;
 
-	clear_bit(RTL8152_LINK_CHG, &tp->flags);
 	speed = rtl8152_get_speed(tp);
 
 	if (speed & LINK_STATUS) {
@@ -3026,20 +3020,18 @@ static void rtl_work_func_t(struct work_struct *work)
 		goto out1;
 	}
 
-	if (test_bit(RTL8152_LINK_CHG, &tp->flags))
+	if (test_and_clear_bit(RTL8152_LINK_CHG, &tp->flags))
 		set_carrier(tp);
 
-	if (test_bit(RTL8152_SET_RX_MODE, &tp->flags))
+	if (test_and_clear_bit(RTL8152_SET_RX_MODE, &tp->flags))
 		_rtl8152_set_rx_mode(tp->netdev);
 
 	/* don't schedule napi before linking */
-	if (test_bit(SCHEDULE_NAPI, &tp->flags) &&
-	    netif_carrier_ok(tp->netdev)) {
-		clear_bit(SCHEDULE_NAPI, &tp->flags);
+	if (test_and_clear_bit(SCHEDULE_NAPI, &tp->flags) &&
+	    netif_carrier_ok(tp->netdev))
 		napi_schedule(&tp->napi);
-	}
 
-	if (test_bit(PHY_RESET, &tp->flags))
+	if (test_and_clear_bit(PHY_RESET, &tp->flags))
 		rtl_phy_reset(tp);
 
 	mutex_unlock(&tp->control);
@@ -3048,6 +3040,33 @@ out1:
 	usb_autopm_put_interface(tp->intf);
 }
 
+#ifdef CONFIG_PM_SLEEP
+static int rtl_notifier(struct notifier_block *nb, unsigned long action,
+			void *data)
+{
+	struct r8152 *tp = container_of(nb, struct r8152, pm_notifier);
+
+	switch (action) {
+	case PM_HIBERNATION_PREPARE:
+	case PM_SUSPEND_PREPARE:
+		usb_autopm_get_interface(tp->intf);
+		break;
+
+	case PM_POST_HIBERNATION:
+	case PM_POST_SUSPEND:
+		usb_autopm_put_interface(tp->intf);
+		break;
+
+	case PM_POST_RESTORE:
+	case PM_RESTORE_PREPARE:
+	default:
+		break;
+	}
+
+	return NOTIFY_DONE;
+}
+#endif
+
 static int rtl8152_open(struct net_device *netdev)
 {
 	struct r8152 *tp = netdev_priv(netdev);
@@ -3090,6 +3109,10 @@ static int rtl8152_open(struct net_device *netdev)
 	mutex_unlock(&tp->control);
 
 	usb_autopm_put_interface(tp->intf);
+#ifdef CONFIG_PM_SLEEP
+	tp->pm_notifier.notifier_call = rtl_notifier;
+	register_pm_notifier(&tp->pm_notifier);
+#endif
 
 out:
 	return res;
@@ -3100,6 +3123,9 @@ static int rtl8152_close(struct net_device *netdev)
 	struct r8152 *tp = netdev_priv(netdev);
 	int res = 0;
 
+#ifdef CONFIG_PM_SLEEP
+	unregister_pm_notifier(&tp->pm_notifier);
+#endif
 	napi_disable(&tp->napi);
 	clear_bit(WORK_ENABLE, &tp->flags);
 	usb_kill_urb(tp->intr_urb);
@@ -3238,7 +3264,7 @@ static void r8152b_init(struct r8152 *tp)
 	if (test_bit(RTL8152_UNPLUG, &tp->flags))
 		return;
 
-	r8152b_disable_aldps(tp);
+	r8152_aldps_en(tp, false);
 
 	if (tp->version == RTL_VER_01) {
 		ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_LED_FEATURE);
@@ -3260,7 +3286,7 @@ static void r8152b_init(struct r8152 *tp)
 	ocp_write_word(tp, MCU_TYPE_PLA, PLA_GPHY_INTR_IMR, ocp_data);
 
 	r8152b_enable_eee(tp);
-	r8152b_enable_aldps(tp);
+	r8152_aldps_en(tp, true);
 	r8152b_enable_fc(tp);
 	rtl_tally_reset(tp);
 
@@ -3278,7 +3304,7 @@ static void r8153_init(struct r8152 *tp)
 	if (test_bit(RTL8152_UNPLUG, &tp->flags))
 		return;
 
-	r8153_disable_aldps(tp);
+	r8153_aldps_en(tp, false);
 	r8153_u1u2en(tp, false);
 
 	for (i = 0; i < 500; i++) {
@@ -3367,7 +3393,7 @@ static void r8153_init(struct r8152 *tp)
 		       EEE_SPDWN_EN);
 
 	r8153_enable_eee(tp);
-	r8153_enable_aldps(tp);
+	r8153_aldps_en(tp, true);
 	r8152b_enable_fc(tp);
 	rtl_tally_reset(tp);
 	r8153_u2p3en(tp, true);