Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6:
  [TOKENRING]: rif_timer not initialized properly
  [NETFILTER]: bridge: fix double POST_ROUTING invocation
  [NETFILTER]: xt_helper: Do not bypass RCU
  [NETFILTER]: ip6t_eui64: Fixes calculation of Universal/Local bit
  [MACVLAN]: Prevent nesting macvlan devices
  [VLAN]: nested VLAN: fix lockdep's recursive locking warning
  [DECNET] ROUTE: fix rcu_dereference() uses in /proc/net/decnet_cache
  [BLUETOOTH]: Always send explicit hci_ll wake-up acks.
  [BLUETOOTH]: rfcomm tty BUG_ON() code fix
  [AX25] af_ax25: Possible circular locking.
  [AX25]: Kill user triggable printks.
  [IPV4] ROUTE: fix rcu_dereference() uses in /proc/net/rt_cache
  [NEIGH]: Fix race between neigh_parms_release and neightbl_fill_parms
  [NIU]: Support for Marvell PHY

4 files changed, 252 insertions, 29 deletions

diff --git a/drivers/bluetooth/hci_ll.c b/drivers/bluetooth/hci_ll.c
index 8c3e62a17b4a..b91d45a41b2f 100644
--- a/drivers/bluetooth/hci_ll.c
+++ b/drivers/bluetooth/hci_ll.c
@@ -204,6 +204,19 @@ static void ll_device_want_to_wakeup(struct hci_uart *hu)
         spin_lock_irqsave(&ll->hcill_lock, flags);
 
         switch (ll->hcill_state) {
+        case HCILL_ASLEEP_TO_AWAKE:
+                /*
+                 * This state means that both the host and the BRF chip
+                 * have simultaneously sent a wake-up-indication packet.
+                 * Traditionaly, in this case, receiving a wake-up-indication
+                 * was enough and an additional wake-up-ack wasn't needed.
+                 * This has changed with the BRF6350, which does require an
+                 * explicit wake-up-ack. Other BRF versions, which do not
+                 * require an explicit ack here, do accept it, thus it is
+                 * perfectly safe to always send one.
+                 */
+                BT_DBG("dual wake-up-indication");
+                /* deliberate fall-through - do not add break */
         case HCILL_ASLEEP:
                 /* acknowledge device wake up */
                 if (send_hcill_cmd(HCILL_WAKE_UP_ACK, hu) < 0) {
@@ -211,16 +224,8 @@ static void ll_device_want_to_wakeup(struct hci_uart *hu)
                         goto out;
                 }
                 break;
-        case HCILL_ASLEEP_TO_AWAKE:
-                /*
-                 * this state means that a wake-up-indication
-                 * is already on its way to the device,
-                 * and will serve as the required wake-up-ack
-                 */
-                BT_DBG("dual wake-up-indication");
-                break;
         default:
-                /* any other state are illegal */
+                /* any other state is illegal */
                 BT_ERR("received HCILL_WAKE_UP_IND in state %ld", ll->hcill_state);
                 break;
         }
diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index 2e4bcd5654c4..e8dc2f44fec9 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -384,6 +384,13 @@ static int macvlan_newlink(struct net_device *dev,
         if (lowerdev == NULL)
                 return -ENODEV;
 
+        /* Don't allow macvlans on top of other macvlans - its not really
+         * wrong, but lockdep can't handle it and its not useful for anything
+         * you couldn't do directly on top of the real device.
+         */
+        if (lowerdev->rtnl_link_ops == dev->rtnl_link_ops)
+                return -ENODEV;
+
         if (!tb[IFLA_MTU])
                 dev->mtu = lowerdev->mtu;
         else if (dev->mtu > lowerdev->mtu)
diff --git a/drivers/net/niu.c b/drivers/net/niu.c
index 9a0c6d3adfe9..3bbcea11329f 100644
--- a/drivers/net/niu.c
+++ b/drivers/net/niu.c
@@ -801,22 +801,90 @@ static int bcm8704_init_user_dev3(struct niu *np)
         return 0;
 }
 
-static int xcvr_init_10g(struct niu *np)
+static int mrvl88x2011_act_led(struct niu *np, int val)
+{
+        int     err;
+
+        err  = mdio_read(np, np->phy_addr, MRVL88X2011_USER_DEV2_ADDR,
+                MRVL88X2011_LED_8_TO_11_CTL);
+        if (err < 0)
+                return err;
+
+        err &= ~MRVL88X2011_LED(MRVL88X2011_LED_ACT,MRVL88X2011_LED_CTL_MASK);
+        err |=  MRVL88X2011_LED(MRVL88X2011_LED_ACT,val);
+
+        return mdio_write(np, np->phy_addr, MRVL88X2011_USER_DEV2_ADDR,
+                          MRVL88X2011_LED_8_TO_11_CTL, err);
+}
+
+static int mrvl88x2011_led_blink_rate(struct niu *np, int rate)
+{
+        int     err;
+
+        err = mdio_read(np, np->phy_addr, MRVL88X2011_USER_DEV2_ADDR,
+                        MRVL88X2011_LED_BLINK_CTL);
+        if (err >= 0) {
+                err &= ~MRVL88X2011_LED_BLKRATE_MASK;
+                err |= (rate << 4);
+
+                err = mdio_write(np, np->phy_addr, MRVL88X2011_USER_DEV2_ADDR,
+                                 MRVL88X2011_LED_BLINK_CTL, err);
+        }
+
+        return err;
+}
+
+static int xcvr_init_10g_mrvl88x2011(struct niu *np)
+{
+        int     err;
+
+        /* Set LED functions */
+        err = mrvl88x2011_led_blink_rate(np, MRVL88X2011_LED_BLKRATE_134MS);
+        if (err)
+                return err;
+
+        /* led activity */
+        err = mrvl88x2011_act_led(np, MRVL88X2011_LED_CTL_OFF);
+        if (err)
+                return err;
+
+        err = mdio_read(np, np->phy_addr, MRVL88X2011_USER_DEV3_ADDR,
+                        MRVL88X2011_GENERAL_CTL);
+        if (err < 0)
+                return err;
+
+        err |= MRVL88X2011_ENA_XFPREFCLK;
+
+        err = mdio_write(np, np->phy_addr, MRVL88X2011_USER_DEV3_ADDR,
+                         MRVL88X2011_GENERAL_CTL, err);
+        if (err < 0)
+                return err;
+
+        err = mdio_read(np, np->phy_addr, MRVL88X2011_USER_DEV1_ADDR,
+                        MRVL88X2011_PMA_PMD_CTL_1);
+        if (err < 0)
+                return err;
+
+        if (np->link_config.loopback_mode == LOOPBACK_MAC)
+                err |= MRVL88X2011_LOOPBACK;
+        else
+                err &= ~MRVL88X2011_LOOPBACK;
+
+        err = mdio_write(np, np->phy_addr, MRVL88X2011_USER_DEV1_ADDR,
+                         MRVL88X2011_PMA_PMD_CTL_1, err);
+        if (err < 0)
+                return err;
+
+        /* Enable PMD  */
+        return mdio_write(np, np->phy_addr, MRVL88X2011_USER_DEV1_ADDR,
+                          MRVL88X2011_10G_PMD_TX_DIS, MRVL88X2011_ENA_PMDTX);
+}
+
+static int xcvr_init_10g_bcm8704(struct niu *np)
 {
         struct niu_link_config *lp = &np->link_config;
         u16 analog_stat0, tx_alarm_status;
         int err;
-        u64 val;
-
-        val = nr64_mac(XMAC_CONFIG);
-        val &= ~XMAC_CONFIG_LED_POLARITY;
-        val |= XMAC_CONFIG_FORCE_LED_ON;
-        nw64_mac(XMAC_CONFIG, val);
-
-        /* XXX shared resource, lock parent XXX */
-        val = nr64(MIF_CONFIG);
-        val |= MIF_CONFIG_INDIRECT_MODE;
-        nw64(MIF_CONFIG, val);
 
         err = bcm8704_reset(np);
         if (err)
@@ -896,6 +964,38 @@ static int xcvr_init_10g(struct niu *np)
         return 0;
 }
 
+static int xcvr_init_10g(struct niu *np)
+{
+        int phy_id, err;
+        u64 val;
+
+        val = nr64_mac(XMAC_CONFIG);
+        val &= ~XMAC_CONFIG_LED_POLARITY;
+        val |= XMAC_CONFIG_FORCE_LED_ON;
+        nw64_mac(XMAC_CONFIG, val);
+
+        /* XXX shared resource, lock parent XXX */
+        val = nr64(MIF_CONFIG);
+        val |= MIF_CONFIG_INDIRECT_MODE;
+        nw64(MIF_CONFIG, val);
+
+        phy_id = phy_decode(np->parent->port_phy, np->port);
+        phy_id = np->parent->phy_probe_info.phy_id[phy_id][np->port];
+
+        /* handle different phy types */
+        switch (phy_id & NIU_PHY_ID_MASK) {
+        case NIU_PHY_ID_MRVL88X2011:
+                err = xcvr_init_10g_mrvl88x2011(np);
+                break;
+
+        default: /* bcom 8704 */
+                err = xcvr_init_10g_bcm8704(np);
+                break;
+        }
+
+        return 0;
+}
+
 static int mii_reset(struct niu *np)
 {
         int limit, err;
@@ -1082,19 +1182,68 @@ static int niu_link_status_common(struct niu *np, int link_up)
         return 0;
 }
 
-static int link_status_10g(struct niu *np, int *link_up_p)
+static int link_status_10g_mrvl(struct niu *np, int *link_up_p)
 {
-        unsigned long flags;
-        int err, link_up;
+        int err, link_up, pma_status, pcs_status;
 
         link_up = 0;
 
-        spin_lock_irqsave(&np->lock, flags);
+        err = mdio_read(np, np->phy_addr, MRVL88X2011_USER_DEV1_ADDR,
+                        MRVL88X2011_10G_PMD_STATUS_2);
+        if (err < 0)
+                goto out;
 
-        err = -EINVAL;
-        if (np->link_config.loopback_mode != LOOPBACK_DISABLED)
+        /* Check PMA/PMD Register: 1.0001.2 == 1 */
+        err = mdio_read(np, np->phy_addr, MRVL88X2011_USER_DEV1_ADDR,
+                        MRVL88X2011_PMA_PMD_STATUS_1);
+        if (err < 0)
+                goto out;
+
+        pma_status = ((err & MRVL88X2011_LNK_STATUS_OK) ? 1 : 0);
+
+        /* Check PMC Register : 3.0001.2 == 1: read twice */
+        err = mdio_read(np, np->phy_addr, MRVL88X2011_USER_DEV3_ADDR,
+                        MRVL88X2011_PMA_PMD_STATUS_1);
+        if (err < 0)
+                goto out;
+
+        err = mdio_read(np, np->phy_addr, MRVL88X2011_USER_DEV3_ADDR,
+                        MRVL88X2011_PMA_PMD_STATUS_1);
+        if (err < 0)
+                goto out;
+
+        pcs_status = ((err & MRVL88X2011_LNK_STATUS_OK) ? 1 : 0);
+
+        /* Check XGXS Register : 4.0018.[0-3,12] */
+        err = mdio_read(np, np->phy_addr, MRVL88X2011_USER_DEV4_ADDR,
+                        MRVL88X2011_10G_XGXS_LANE_STAT);
+        if (err < 0)
                 goto out;
 
+        if (err == (PHYXS_XGXS_LANE_STAT_ALINGED | PHYXS_XGXS_LANE_STAT_LANE3 |
+                    PHYXS_XGXS_LANE_STAT_LANE2 | PHYXS_XGXS_LANE_STAT_LANE1 |
+                    PHYXS_XGXS_LANE_STAT_LANE0 | PHYXS_XGXS_LANE_STAT_MAGIC |
+                    0x800))
+                link_up = (pma_status && pcs_status) ? 1 : 0;
+
+        np->link_config.active_speed = SPEED_10000;
+        np->link_config.active_duplex = DUPLEX_FULL;
+        err = 0;
+out:
+        mrvl88x2011_act_led(np, (link_up ?
+                                 MRVL88X2011_LED_CTL_PCS_ACT :
+                                 MRVL88X2011_LED_CTL_OFF));
+
+        *link_up_p = link_up;
+        return err;
+}
+
+static int link_status_10g_bcom(struct niu *np, int *link_up_p)
+{
+        int err, link_up;
+
+        link_up = 0;
+
         err = mdio_read(np, np->phy_addr, BCM8704_PMA_PMD_DEV_ADDR,
                         BCM8704_PMD_RCV_SIGDET);
         if (err < 0)
@@ -1134,9 +1283,37 @@ static int link_status_10g(struct niu *np, int *link_up_p)
         err = 0;
 
 out:
+        *link_up_p = link_up;
+        return err;
+}
+
+static int link_status_10g(struct niu *np, int *link_up_p)
+{
+        unsigned long flags;
+        int err = -EINVAL;
+
+        spin_lock_irqsave(&np->lock, flags);
+
+        if (np->link_config.loopback_mode == LOOPBACK_DISABLED) {
+                int phy_id;
+
+                phy_id = phy_decode(np->parent->port_phy, np->port);
+                phy_id = np->parent->phy_probe_info.phy_id[phy_id][np->port];
+
+                /* handle different phy types */
+                switch (phy_id & NIU_PHY_ID_MASK) {
+                case NIU_PHY_ID_MRVL88X2011:
+                        err = link_status_10g_mrvl(np, link_up_p);
+                        break;
+
+                default: /* bcom 8704 */
+                        err = link_status_10g_bcom(np, link_up_p);
+                        break;
+                }
+        }
+
         spin_unlock_irqrestore(&np->lock, flags);
 
-        *link_up_p = link_up;
         return err;
 }
 
@@ -6297,7 +6474,8 @@ static int __devinit phy_record(struct niu_parent *parent,
         if (dev_id_1 < 0 || dev_id_2 < 0)
                 return 0;
         if (type == PHY_TYPE_PMA_PMD || type == PHY_TYPE_PCS) {
-                if ((id & NIU_PHY_ID_MASK) != NIU_PHY_ID_BCM8704)
+                if (((id & NIU_PHY_ID_MASK) != NIU_PHY_ID_BCM8704) &&
+                    ((id & NIU_PHY_ID_MASK) != NIU_PHY_ID_MRVL88X2011))
                         return 0;
         } else {
                 if ((id & NIU_PHY_ID_MASK) != NIU_PHY_ID_BCM5464R)
diff --git a/drivers/net/niu.h b/drivers/net/niu.h
index 10e3f111b6d5..0e8626adc573 100644
--- a/drivers/net/niu.h
+++ b/drivers/net/niu.h
@@ -2538,6 +2538,39 @@ struct fcram_hash_ipv6 {
 #define NIU_PHY_ID_MASK                 0xfffff0f0
 #define NIU_PHY_ID_BCM8704              0x00206030
 #define NIU_PHY_ID_BCM5464R             0x002060b0
+#define NIU_PHY_ID_MRVL88X2011          0x01410020
+
+/* MRVL88X2011 register addresses */
+#define MRVL88X2011_USER_DEV1_ADDR      1
+#define MRVL88X2011_USER_DEV2_ADDR      2
+#define MRVL88X2011_USER_DEV3_ADDR      3
+#define MRVL88X2011_USER_DEV4_ADDR      4
+#define MRVL88X2011_PMA_PMD_CTL_1       0x0000
+#define MRVL88X2011_PMA_PMD_STATUS_1    0x0001
+#define MRVL88X2011_10G_PMD_STATUS_2    0x0008
+#define MRVL88X2011_10G_PMD_TX_DIS      0x0009
+#define MRVL88X2011_10G_XGXS_LANE_STAT  0x0018
+#define MRVL88X2011_GENERAL_CTL         0x8300
+#define MRVL88X2011_LED_BLINK_CTL       0x8303
+#define MRVL88X2011_LED_8_TO_11_CTL     0x8306
+
+/* MRVL88X2011 register control */
+#define MRVL88X2011_ENA_XFPREFCLK       0x0001
+#define MRVL88X2011_ENA_PMDTX           0x0000
+#define MRVL88X2011_LOOPBACK            0x1
+#define MRVL88X2011_LED_ACT             0x1
+#define MRVL88X2011_LNK_STATUS_OK       0x4
+#define MRVL88X2011_LED_BLKRATE_MASK    0x70
+#define MRVL88X2011_LED_BLKRATE_034MS   0x0
+#define MRVL88X2011_LED_BLKRATE_067MS   0x1
+#define MRVL88X2011_LED_BLKRATE_134MS   0x2
+#define MRVL88X2011_LED_BLKRATE_269MS   0x3
+#define MRVL88X2011_LED_BLKRATE_538MS   0x4
+#define MRVL88X2011_LED_CTL_OFF         0x0
+#define MRVL88X2011_LED_CTL_PCS_ACT     0x5
+#define MRVL88X2011_LED_CTL_MASK        0x7
+#define MRVL88X2011_LED(n,v)            ((v)<<((n)*4))
+#define MRVL88X2011_LED_STAT(n,v)       ((v)>>((n)*4))
 
 #define BCM8704_PMA_PMD_DEV_ADDR        1
 #define BCM8704_PCS_DEV_ADDR            2