Merge branch 'mpi-master' into wip-k-fmlpwip-k-fmlp

Conflicts:
	litmus/sched_cedf.c

1 files changed, 54 insertions, 81 deletions

diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c
index 12a3c88c5282..f74f3ce71526 100644
--- a/drivers/net/usb/smsc95xx.c
+++ b/drivers/net/usb/smsc95xx.c
@@ -49,9 +49,9 @@
 
 struct smsc95xx_priv {
         u32 mac_cr;
+        u32 hash_hi;
+        u32 hash_lo;
         spinlock_t mac_cr_lock;
-        bool use_tx_csum;
-        bool use_rx_csum;
 };
 
 struct usb_context {
@@ -370,10 +370,11 @@ static void smsc95xx_set_multicast(struct net_device *netdev)
 {
         struct usbnet *dev = netdev_priv(netdev);
         struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]);
-        u32 hash_hi = 0;
-        u32 hash_lo = 0;
         unsigned long flags;
 
+        pdata->hash_hi = 0;
+        pdata->hash_lo = 0;
+
         spin_lock_irqsave(&pdata->mac_cr_lock, flags);
 
         if (dev->net->flags & IFF_PROMISC) {
@@ -394,13 +395,13 @@ static void smsc95xx_set_multicast(struct net_device *netdev)
                         u32 bitnum = smsc95xx_hash(ha->addr);
                         u32 mask = 0x01 << (bitnum & 0x1F);
                         if (bitnum & 0x20)
-                                hash_hi |= mask;
+                                pdata->hash_hi |= mask;
                         else
-                                hash_lo |= mask;
+                                pdata->hash_lo |= mask;
                 }
 
                 netif_dbg(dev, drv, dev->net, "HASHH=0x%08X, HASHL=0x%08X\n",
-                                   hash_hi, hash_lo);
+                                   pdata->hash_hi, pdata->hash_lo);
         } else {
                 netif_dbg(dev, drv, dev->net, "receive own packets only\n");
                 pdata->mac_cr &=
@@ -410,8 +411,8 @@ static void smsc95xx_set_multicast(struct net_device *netdev)
         spin_unlock_irqrestore(&pdata->mac_cr_lock, flags);
 
         /* Initiate async writes, as we can't wait for completion here */
-        smsc95xx_write_reg_async(dev, HASHH, &hash_hi);
-        smsc95xx_write_reg_async(dev, HASHL, &hash_lo);
+        smsc95xx_write_reg_async(dev, HASHH, &pdata->hash_hi);
+        smsc95xx_write_reg_async(dev, HASHL, &pdata->hash_lo);
         smsc95xx_write_reg_async(dev, MAC_CR, &pdata->mac_cr);
 }
 
@@ -456,7 +457,7 @@ static int smsc95xx_link_reset(struct usbnet *dev)
 {
         struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]);
         struct mii_if_info *mii = &dev->mii;
-        struct ethtool_cmd ecmd;
+        struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
         unsigned long flags;
         u16 lcladv, rmtadv;
         u32 intdata;
@@ -471,8 +472,9 @@ static int smsc95xx_link_reset(struct usbnet *dev)
         lcladv = smsc95xx_mdio_read(dev->net, mii->phy_id, MII_ADVERTISE);
         rmtadv = smsc95xx_mdio_read(dev->net, mii->phy_id, MII_LPA);
 
-        netif_dbg(dev, link, dev->net, "speed: %d duplex: %d lcladv: %04x rmtadv: %04x\n",
-                  ecmd.speed, ecmd.duplex, lcladv, rmtadv);
+        netif_dbg(dev, link, dev->net,
+                  "speed: %u duplex: %d lcladv: %04x rmtadv: %04x\n",
+                  ethtool_cmd_speed(&ecmd), ecmd.duplex, lcladv, rmtadv);
 
         spin_lock_irqsave(&pdata->mac_cr_lock, flags);
         if (ecmd.duplex != DUPLEX_FULL) {
@@ -514,22 +516,24 @@ static void smsc95xx_status(struct usbnet *dev, struct urb *urb)
 }
 
 /* Enable or disable Tx & Rx checksum offload engines */
-static int smsc95xx_set_csums(struct usbnet *dev)
+static int smsc95xx_set_features(struct net_device *netdev, u32 features)
 {
-        struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]);
+        struct usbnet *dev = netdev_priv(netdev);
         u32 read_buf;
-        int ret = smsc95xx_read_reg(dev, COE_CR, &read_buf);
+        int ret;
+
+        ret = smsc95xx_read_reg(dev, COE_CR, &read_buf);
         if (ret < 0) {
                 netdev_warn(dev->net, "Failed to read COE_CR: %d\n", ret);
                 return ret;
         }
 
-        if (pdata->use_tx_csum)
+        if (features & NETIF_F_HW_CSUM)
                 read_buf |= Tx_COE_EN_;
         else
                 read_buf &= ~Tx_COE_EN_;
 
-        if (pdata->use_rx_csum)
+        if (features & NETIF_F_RXCSUM)
                 read_buf |= Rx_COE_EN_;
         else
                 read_buf &= ~Rx_COE_EN_;
@@ -573,43 +577,6 @@ static int smsc95xx_ethtool_set_eeprom(struct net_device *netdev,
         return smsc95xx_write_eeprom(dev, ee->offset, ee->len, data);
 }
 
-static u32 smsc95xx_ethtool_get_rx_csum(struct net_device *netdev)
-{
-        struct usbnet *dev = netdev_priv(netdev);
-        struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]);
-
-        return pdata->use_rx_csum;
-}
-
-static int smsc95xx_ethtool_set_rx_csum(struct net_device *netdev, u32 val)
-{
-        struct usbnet *dev = netdev_priv(netdev);
-        struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]);
-
-        pdata->use_rx_csum = !!val;
-
-        return smsc95xx_set_csums(dev);
-}
-
-static u32 smsc95xx_ethtool_get_tx_csum(struct net_device *netdev)
-{
-        struct usbnet *dev = netdev_priv(netdev);
-        struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]);
-
-        return pdata->use_tx_csum;
-}
-
-static int smsc95xx_ethtool_set_tx_csum(struct net_device *netdev, u32 val)
-{
-        struct usbnet *dev = netdev_priv(netdev);
-        struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]);
-
-        pdata->use_tx_csum = !!val;
-
-        ethtool_op_set_tx_hw_csum(netdev, pdata->use_tx_csum);
-        return smsc95xx_set_csums(dev);
-}
-
 static const struct ethtool_ops smsc95xx_ethtool_ops = {
         .get_link       = usbnet_get_link,
         .nway_reset     = usbnet_nway_reset,
@@ -621,10 +588,6 @@ static const struct ethtool_ops smsc95xx_ethtool_ops = {
         .get_eeprom_len = smsc95xx_ethtool_get_eeprom_len,
         .get_eeprom     = smsc95xx_ethtool_get_eeprom,
         .set_eeprom     = smsc95xx_ethtool_set_eeprom,
-        .get_tx_csum    = smsc95xx_ethtool_get_tx_csum,
-        .set_tx_csum    = smsc95xx_ethtool_set_tx_csum,
-        .get_rx_csum    = smsc95xx_ethtool_get_rx_csum,
-        .set_rx_csum    = smsc95xx_ethtool_set_rx_csum,
 };
 
 static int smsc95xx_ioctl(struct net_device *netdev, struct ifreq *rq, int cmd)
@@ -727,7 +690,7 @@ static int smsc95xx_phy_initialize(struct usbnet *dev)
                 msleep(10);
                 bmcr = smsc95xx_mdio_read(dev->net, dev->mii.phy_id, MII_BMCR);
                 timeout++;
-        } while ((bmcr & MII_BMCR) && (timeout < 100));
+        } while ((bmcr & BMCR_RESET) && (timeout < 100));
 
         if (timeout >= 100) {
                 netdev_warn(dev->net, "timeout on PHY Reset");
@@ -752,7 +715,6 @@ static int smsc95xx_phy_initialize(struct usbnet *dev)
 static int smsc95xx_reset(struct usbnet *dev)
 {
         struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]);
-        struct net_device *netdev = dev->net;
         u32 read_buf, write_buf, burst_cap;
         int ret = 0, timeout;
 
@@ -805,8 +767,6 @@ static int smsc95xx_reset(struct usbnet *dev)
                 return ret;
         }
 
-        smsc95xx_init_mac_address(dev);
-
         ret = smsc95xx_set_mac_address(dev);
         if (ret < 0)
                 return ret;
@@ -974,12 +934,7 @@ static int smsc95xx_reset(struct usbnet *dev)
         }
 
         /* Enable or disable checksum offload engines */
-        ethtool_op_set_tx_hw_csum(netdev, pdata->use_tx_csum);
-        ret = smsc95xx_set_csums(dev);
-        if (ret < 0) {
-                netdev_warn(dev->net, "Failed to set csum offload: %d\n", ret);
-                return ret;
-        }
+        smsc95xx_set_features(dev->net, dev->net->features);
 
         smsc95xx_set_multicast(dev->net);
 
@@ -1018,6 +973,7 @@ static const struct net_device_ops smsc95xx_netdev_ops = {
         .ndo_validate_addr      = eth_validate_addr,
         .ndo_do_ioctl           = smsc95xx_ioctl,
         .ndo_set_multicast_list = smsc95xx_set_multicast,
+        .ndo_set_features       = smsc95xx_set_features,
 };
 
 static int smsc95xx_bind(struct usbnet *dev, struct usb_interface *intf)
@@ -1044,8 +1000,14 @@ static int smsc95xx_bind(struct usbnet *dev, struct usb_interface *intf)
 
         spin_lock_init(&pdata->mac_cr_lock);
 
-        pdata->use_tx_csum = DEFAULT_TX_CSUM_ENABLE;
-        pdata->use_rx_csum = DEFAULT_RX_CSUM_ENABLE;
+        if (DEFAULT_TX_CSUM_ENABLE)
+                dev->net->features |= NETIF_F_HW_CSUM;
+        if (DEFAULT_RX_CSUM_ENABLE)
+                dev->net->features |= NETIF_F_RXCSUM;
+
+        dev->net->hw_features = NETIF_F_HW_CSUM | NETIF_F_RXCSUM;
+
+        smsc95xx_init_mac_address(dev);
 
         /* Init all registers */
         ret = smsc95xx_reset(dev);
@@ -1053,7 +1015,7 @@ static int smsc95xx_bind(struct usbnet *dev, struct usb_interface *intf)
         dev->net->netdev_ops = &smsc95xx_netdev_ops;
         dev->net->ethtool_ops = &smsc95xx_ethtool_ops;
         dev->net->flags |= IFF_MULTICAST;
-        dev->net->hard_header_len += SMSC95XX_TX_OVERHEAD;
+        dev->net->hard_header_len += SMSC95XX_TX_OVERHEAD_CSUM;
         return 0;
 }
 
@@ -1077,8 +1039,6 @@ static void smsc95xx_rx_csum_offload(struct sk_buff *skb)
 
 static int smsc95xx_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
 {
-        struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]);
-
         while (skb->len > 0) {
                 u32 header, align_count;
                 struct sk_buff *ax_skb;
@@ -1120,7 +1080,7 @@ static int smsc95xx_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
 
                         /* last frame in this batch */
                         if (skb->len == size) {
-                                if (pdata->use_rx_csum)
+                                if (dev->net->features & NETIF_F_RXCSUM)
                                         smsc95xx_rx_csum_offload(skb);
                                 skb_trim(skb, skb->len - 4); /* remove fcs */
                                 skb->truesize = size + sizeof(struct sk_buff);
@@ -1138,7 +1098,7 @@ static int smsc95xx_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
                         ax_skb->data = packet;
                         skb_set_tail_pointer(ax_skb, size);
 
-                        if (pdata->use_rx_csum)
+                        if (dev->net->features & NETIF_F_RXCSUM)
                                 smsc95xx_rx_csum_offload(ax_skb);
                         skb_trim(ax_skb, ax_skb->len - 4); /* remove fcs */
                         ax_skb->truesize = size + sizeof(struct sk_buff);
@@ -1163,17 +1123,15 @@ static int smsc95xx_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
 
 static u32 smsc95xx_calc_csum_preamble(struct sk_buff *skb)
 {
-        int len = skb->data - skb->head;
-        u16 high_16 = (u16)(skb->csum_offset + skb->csum_start - len);
-        u16 low_16 = (u16)(skb->csum_start - len);
+        u16 low_16 = (u16)skb_checksum_start_offset(skb);
+        u16 high_16 = low_16 + skb->csum_offset;
         return (high_16 << 16) | low_16;
 }
 
 static struct sk_buff *smsc95xx_tx_fixup(struct usbnet *dev,
                                          struct sk_buff *skb, gfp_t flags)
 {
-        struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]);
-        bool csum = pdata->use_tx_csum && (skb->ip_summed == CHECKSUM_PARTIAL);
+        bool csum = skb->ip_summed == CHECKSUM_PARTIAL;
         int overhead = csum ? SMSC95XX_TX_OVERHEAD_CSUM : SMSC95XX_TX_OVERHEAD;
         u32 tx_cmd_a, tx_cmd_b;
 
@@ -1193,7 +1151,7 @@ static struct sk_buff *smsc95xx_tx_fixup(struct usbnet *dev,
                 if (skb->len <= 45) {
                         /* workaround - hardware tx checksum does not work
                          * properly with extremely small packets */
-                        long csstart = skb->csum_start - skb_headroom(skb);
+                        long csstart = skb_checksum_start_offset(skb);
                         __wsum calc = csum_partial(skb->data + csstart,
                                 skb->len - csstart, 0);
                         *((__sum16 *)(skb->data + csstart
@@ -1311,6 +1269,21 @@ static const struct usb_device_id products[] = {
                 USB_DEVICE(0x0424, 0x9909),
                 .driver_info = (unsigned long) &smsc95xx_info,
         },
+        {
+                /* SMSC LAN9530 USB Ethernet Device */
+                USB_DEVICE(0x0424, 0x9530),
+                .driver_info = (unsigned long) &smsc95xx_info,
+        },
+        {
+                /* SMSC LAN9730 USB Ethernet Device */
+                USB_DEVICE(0x0424, 0x9730),
+                .driver_info = (unsigned long) &smsc95xx_info,
+        },
+        {
+                /* SMSC LAN89530 USB Ethernet Device */
+                USB_DEVICE(0x0424, 0x9E08),
+                .driver_info = (unsigned long) &smsc95xx_info,
+        },
         { },            /* END */
 };
 MODULE_DEVICE_TABLE(usb, products);