target/linux/mvebu/patches-4.14/408-sfp-move-module-eeprom-ethtool-access-into-netdev-co.patch

   1 From c47beb7e3f8575dfd7d58240a72c4e4e66ce5449 Mon Sep 17 00:00:00 2001
   2 From: Russell King <rmk+kernel@armlinux.org.uk>
   3 Date: Fri, 14 Apr 2017 15:26:32 +0100
   4 Subject: sfp: move module eeprom ethtool access into netdev core ethtool
   5
   6 Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
   7 ---
   8  drivers/net/ethernet/marvell/mvneta.c | 18 ------------------
   9  drivers/net/phy/phylink.c             | 28 ----------------------------
  10  drivers/net/phy/sfp-bus.c             |  6 ++----
  11  include/linux/netdevice.h             |  2 ++
  12  include/linux/phylink.h               |  3 ---
  13  net/core/ethtool.c                    |  7 +++++++
  14  6 files changed, 11 insertions(+), 53 deletions(-)
  15
  16 --- a/drivers/net/ethernet/marvell/mvneta.c
  17 +++ b/drivers/net/ethernet/marvell/mvneta.c
  18 @@ -4045,22 +4045,6 @@ static int mvneta_ethtool_set_wol(struct
  19         return ret;
  20  }
  21
  22 -static int mvneta_ethtool_get_module_info(struct net_device *dev,
  23 -                                         struct ethtool_modinfo *modinfo)
  24 -{
  25 -       struct mvneta_port *pp = netdev_priv(dev);
  26 -
  27 -       return phylink_ethtool_get_module_info(pp->phylink, modinfo);
  28 -}
  29 -
  30 -static int mvneta_ethtool_get_module_eeprom(struct net_device *dev,
  31 -                                           struct ethtool_eeprom *ee, u8 *buf)
  32 -{
  33 -       struct mvneta_port *pp = netdev_priv(dev);
  34 -
  35 -       return phylink_ethtool_get_module_eeprom(pp->phylink, ee, buf);
  36 -}
  37 -
  38  static int mvneta_ethtool_get_eee(struct net_device *dev,
  39                                   struct ethtool_eee *eee)
  40  {
  41 @@ -4145,8 +4129,6 @@ static const struct ethtool_ops mvneta_e
  42         .set_link_ksettings = mvneta_ethtool_set_link_ksettings,
  43         .get_wol        = mvneta_ethtool_get_wol,
  44         .set_wol        = mvneta_ethtool_set_wol,
  45 -       .get_module_info = mvneta_ethtool_get_module_info,
  46 -       .get_module_eeprom = mvneta_ethtool_get_module_eeprom,
  47         .get_eee        = mvneta_ethtool_get_eee,
  48         .set_eee        = mvneta_ethtool_set_eee,
  49  };
  50 --- a/drivers/net/phy/phylink.c
  51 +++ b/drivers/net/phy/phylink.c
  52 @@ -1058,34 +1058,6 @@ int phylink_ethtool_set_pauseparam(struc
  53  }
  54  EXPORT_SYMBOL_GPL(phylink_ethtool_set_pauseparam);
  55
  56 -int phylink_ethtool_get_module_info(struct phylink *pl,
  57 -                                   struct ethtool_modinfo *modinfo)
  58 -{
  59 -       int ret = -EOPNOTSUPP;
  60 -
  61 -       WARN_ON(!lockdep_rtnl_is_held());
  62 -
  63 -       if (pl->sfp_bus)
  64 -               ret = sfp_get_module_info(pl->sfp_bus, modinfo);
  65 -
  66 -       return ret;
  67 -}
  68 -EXPORT_SYMBOL_GPL(phylink_ethtool_get_module_info);
  69 -
  70 -int phylink_ethtool_get_module_eeprom(struct phylink *pl,
  71 -                                     struct ethtool_eeprom *ee, u8 *buf)
  72 -{
  73 -       int ret = -EOPNOTSUPP;
  74 -
  75 -       WARN_ON(!lockdep_rtnl_is_held());
  76 -
  77 -       if (pl->sfp_bus)
  78 -               ret = sfp_get_module_eeprom(pl->sfp_bus, ee, buf);
  79 -
  80 -       return ret;
  81 -}
  82 -EXPORT_SYMBOL_GPL(phylink_ethtool_get_module_eeprom);
  83 -
  84  int phylink_init_eee(struct phylink *pl, bool clk_stop_enable)
  85  {
  86         int ret = -EPROTONOSUPPORT;
  87 --- a/drivers/net/phy/sfp-bus.c
  88 +++ b/drivers/net/phy/sfp-bus.c
  89 @@ -279,6 +279,7 @@ static int sfp_register_bus(struct sfp_b
  90         bus->socket_ops->attach(bus->sfp);
  91         if (bus->started)
  92                 bus->socket_ops->start(bus->sfp);
  93 +       bus->netdev->sfp_bus = bus;
  94         bus->registered = true;
  95         return 0;
  96  }
  97 @@ -294,14 +295,13 @@ static void sfp_unregister_bus(struct sf
  98                 if (bus->phydev && ops && ops->disconnect_phy)
  99                         ops->disconnect_phy(bus->upstream);
 100         }
 101 +       bus->netdev->sfp_bus = NULL;
 102         bus->registered = false;
 103  }
 104
 105
 106  int sfp_get_module_info(struct sfp_bus *bus, struct ethtool_modinfo *modinfo)
 107  {
 108 -       if (!bus->registered)
 109 -               return -ENOIOCTLCMD;
 110         return bus->socket_ops->module_info(bus->sfp, modinfo);
 111  }
 112  EXPORT_SYMBOL_GPL(sfp_get_module_info);
 113 @@ -309,8 +309,6 @@ EXPORT_SYMBOL_GPL(sfp_get_module_info);
 114  int sfp_get_module_eeprom(struct sfp_bus *bus, struct ethtool_eeprom *ee,
 115         u8 *data)
 116  {
 117 -       if (!bus->registered)
 118 -               return -ENOIOCTLCMD;
 119         return bus->socket_ops->module_eeprom(bus->sfp, ee, data);
 120  }
 121  EXPORT_SYMBOL_GPL(sfp_get_module_eeprom);
 122 --- a/include/linux/netdevice.h
 123 +++ b/include/linux/netdevice.h
 124 @@ -57,6 +57,7 @@ struct device;
 125  struct phy_device;
 126  struct dsa_switch_tree;
 127
 128 +struct sfp_bus;
 129  /* 802.11 specific */
 130  struct wireless_dev;
 131  /* 802.15.4 specific */
 132 @@ -1935,6 +1936,7 @@ struct net_device {
 133         struct netprio_map __rcu *priomap;
 134  #endif
 135         struct phy_device       *phydev;
 136 +       struct sfp_bus          *sfp_bus;
 137         struct lock_class_key   *qdisc_tx_busylock;
 138         struct lock_class_key   *qdisc_running_key;
 139         bool                    proto_down;
 140 --- a/include/linux/phylink.h
 141 +++ b/include/linux/phylink.h
 142 @@ -125,9 +125,6 @@ void phylink_ethtool_get_pauseparam(stru
 143                                     struct ethtool_pauseparam *);
 144  int phylink_ethtool_set_pauseparam(struct phylink *,
 145                                    struct ethtool_pauseparam *);
 146 -int phylink_ethtool_get_module_info(struct phylink *, struct ethtool_modinfo *);
 147 -int phylink_ethtool_get_module_eeprom(struct phylink *,
 148 -                                     struct ethtool_eeprom *, u8 *);
 149  int phylink_init_eee(struct phylink *, bool);
 150  int phylink_get_eee_err(struct phylink *);
 151  int phylink_ethtool_get_eee(struct phylink *, struct ethtool_eee *);
 152 --- a/net/core/ethtool.c
 153 +++ b/net/core/ethtool.c
 154 @@ -22,6 +22,7 @@
 155  #include <linux/bitops.h>
 156  #include <linux/uaccess.h>
 157  #include <linux/vmalloc.h>
 158 +#include <linux/sfp.h>
 159  #include <linux/slab.h>
 160  #include <linux/rtnetlink.h>
 161  #include <linux/sched/signal.h>
 162 @@ -2201,6 +2202,9 @@ static int __ethtool_get_module_info(str
 163         const struct ethtool_ops *ops = dev->ethtool_ops;
 164         struct phy_device *phydev = dev->phydev;
 165
 166 +       if (dev->sfp_bus)
 167 +               return sfp_get_module_info(dev->sfp_bus, modinfo);
 168 +
 169         if (phydev && phydev->drv && phydev->drv->module_info)
 170                 return phydev->drv->module_info(phydev, modinfo);
 171
 172 @@ -2235,6 +2239,9 @@ static int __ethtool_get_module_eeprom(s
 173         const struct ethtool_ops *ops = dev->ethtool_ops;
 174         struct phy_device *phydev = dev->phydev;
 175
 176 +       if (dev->sfp_bus)
 177 +               return sfp_get_module_eeprom(dev->sfp_bus, ee, data);
 178 +
 179         if (phydev && phydev->drv && phydev->drv->module_eeprom)
 180                 return phydev->drv->module_eeprom(phydev, ee, data);
 181