Kernel response contents:
- ==================================== ====== ==========================
- ``ETHTOOL_A_LINKMODES_HEADER`` nested reply header
- ``ETHTOOL_A_LINKMODES_AUTONEG`` u8 autonegotiation status
- ``ETHTOOL_A_LINKMODES_OURS`` bitset advertised link modes
- ``ETHTOOL_A_LINKMODES_PEER`` bitset partner link modes
- ``ETHTOOL_A_LINKMODES_SPEED`` u32 link speed (Mb/s)
- ``ETHTOOL_A_LINKMODES_DUPLEX`` u8 duplex mode
- ==================================== ====== ==========================
+ ========================================== ====== ==========================
+ ``ETHTOOL_A_LINKMODES_HEADER`` nested reply header
+ ``ETHTOOL_A_LINKMODES_AUTONEG`` u8 autonegotiation status
+ ``ETHTOOL_A_LINKMODES_OURS`` bitset advertised link modes
+ ``ETHTOOL_A_LINKMODES_PEER`` bitset partner link modes
+ ``ETHTOOL_A_LINKMODES_SPEED`` u32 link speed (Mb/s)
+ ``ETHTOOL_A_LINKMODES_DUPLEX`` u8 duplex mode
+ ``ETHTOOL_A_LINKMODES_MASTER_SLAVE_CFG`` u8 Master/slave port mode
+ ``ETHTOOL_A_LINKMODES_MASTER_SLAVE_STATE`` u8 Master/slave port state
+ ========================================== ====== ==========================
For ``ETHTOOL_A_LINKMODES_OURS``, value represents advertised modes and mask
represents supported modes. ``ETHTOOL_A_LINKMODES_PEER`` in the reply is a bit
Request contents:
- ==================================== ====== ==========================
- ``ETHTOOL_A_LINKMODES_HEADER`` nested request header
- ``ETHTOOL_A_LINKMODES_AUTONEG`` u8 autonegotiation status
- ``ETHTOOL_A_LINKMODES_OURS`` bitset advertised link modes
- ``ETHTOOL_A_LINKMODES_PEER`` bitset partner link modes
- ``ETHTOOL_A_LINKMODES_SPEED`` u32 link speed (Mb/s)
- ``ETHTOOL_A_LINKMODES_DUPLEX`` u8 duplex mode
- ==================================== ====== ==========================
+ ========================================== ====== ==========================
+ ``ETHTOOL_A_LINKMODES_HEADER`` nested request header
+ ``ETHTOOL_A_LINKMODES_AUTONEG`` u8 autonegotiation status
+ ``ETHTOOL_A_LINKMODES_OURS`` bitset advertised link modes
+ ``ETHTOOL_A_LINKMODES_PEER`` bitset partner link modes
+ ``ETHTOOL_A_LINKMODES_SPEED`` u32 link speed (Mb/s)
+ ``ETHTOOL_A_LINKMODES_DUPLEX`` u8 duplex mode
+ ``ETHTOOL_A_LINKMODES_MASTER_SLAVE_CFG`` u8 Master/slave port mode
+ ========================================== ====== ==========================
``ETHTOOL_A_LINKMODES_OURS`` bit set allows setting advertised link modes. If
autonegotiation is on (either set now or kept from before), advertised modes
phydev->advertising, autoneg == AUTONEG_ENABLE);
phydev->duplex = duplex;
-
+ phydev->master_slave_set = cmd->base.master_slave_cfg;
phydev->mdix_ctrl = cmd->base.eth_tp_mdix_ctrl;
/* Restart the PHY */
cmd->base.speed = phydev->speed;
cmd->base.duplex = phydev->duplex;
+ cmd->base.master_slave_cfg = phydev->master_slave_get;
+ cmd->base.master_slave_state = phydev->master_slave_state;
if (phydev->interface == PHY_INTERFACE_MODE_MOCA)
cmd->base.port = PORT_BNC;
else
}
EXPORT_SYMBOL(genphy_setup_forced);
+static int genphy_setup_master_slave(struct phy_device *phydev)
+{
+ u16 ctl = 0;
+
+ if (!phydev->is_gigabit_capable)
+ return 0;
+
+ switch (phydev->master_slave_set) {
+ case MASTER_SLAVE_CFG_MASTER_PREFERRED:
+ ctl |= CTL1000_PREFER_MASTER;
+ break;
+ case MASTER_SLAVE_CFG_SLAVE_PREFERRED:
+ break;
+ case MASTER_SLAVE_CFG_MASTER_FORCE:
+ ctl |= CTL1000_AS_MASTER;
+ /* fallthrough */
+ case MASTER_SLAVE_CFG_SLAVE_FORCE:
+ ctl |= CTL1000_ENABLE_MASTER;
+ break;
+ case MASTER_SLAVE_CFG_UNKNOWN:
+ case MASTER_SLAVE_CFG_UNSUPPORTED:
+ return 0;
+ default:
+ phydev_warn(phydev, "Unsupported Master/Slave mode\n");
+ return -EOPNOTSUPP;
+ }
+
+ return phy_modify_changed(phydev, MII_CTRL1000,
+ (CTL1000_ENABLE_MASTER | CTL1000_AS_MASTER |
+ CTL1000_PREFER_MASTER), ctl);
+}
+
+static int genphy_read_master_slave(struct phy_device *phydev)
+{
+ int cfg, state;
+ u16 val;
+
+ if (!phydev->is_gigabit_capable) {
+ phydev->master_slave_get = MASTER_SLAVE_CFG_UNSUPPORTED;
+ phydev->master_slave_state = MASTER_SLAVE_STATE_UNSUPPORTED;
+ return 0;
+ }
+
+ phydev->master_slave_get = MASTER_SLAVE_CFG_UNKNOWN;
+ phydev->master_slave_state = MASTER_SLAVE_STATE_UNKNOWN;
+
+ val = phy_read(phydev, MII_CTRL1000);
+ if (val < 0)
+ return val;
+
+ if (val & CTL1000_ENABLE_MASTER) {
+ if (val & CTL1000_AS_MASTER)
+ cfg = MASTER_SLAVE_CFG_MASTER_FORCE;
+ else
+ cfg = MASTER_SLAVE_CFG_SLAVE_FORCE;
+ } else {
+ if (val & CTL1000_PREFER_MASTER)
+ cfg = MASTER_SLAVE_CFG_MASTER_PREFERRED;
+ else
+ cfg = MASTER_SLAVE_CFG_SLAVE_PREFERRED;
+ }
+
+ val = phy_read(phydev, MII_STAT1000);
+ if (val < 0)
+ return val;
+
+ if (val & LPA_1000MSFAIL) {
+ state = MASTER_SLAVE_STATE_ERR;
+ } else if (phydev->link) {
+ /* this bits are valid only for active link */
+ if (val & LPA_1000MSRES)
+ state = MASTER_SLAVE_STATE_MASTER;
+ else
+ state = MASTER_SLAVE_STATE_SLAVE;
+ } else {
+ state = MASTER_SLAVE_STATE_UNKNOWN;
+ }
+
+ phydev->master_slave_get = cfg;
+ phydev->master_slave_state = state;
+
+ return 0;
+}
+
/**
* genphy_restart_aneg - Enable and Restart Autonegotiation
* @phydev: target phy_device struct
if (genphy_config_eee_advert(phydev))
changed = true;
+ err = genphy_setup_master_slave(phydev);
+ if (err < 0)
+ return err;
+ else if (err)
+ changed = true;
+
if (AUTONEG_ENABLE != phydev->autoneg)
return genphy_setup_forced(phydev);
phydev->pause = 0;
phydev->asym_pause = 0;
+ err = genphy_read_master_slave(phydev);
+ if (err < 0)
+ return err;
+
err = genphy_read_lpa(phydev);
if (err < 0)
return err;
int duplex;
int pause;
int asym_pause;
+ u8 master_slave_get;
+ u8 master_slave_set;
+ u8 master_slave_state;
/* Union of PHY and Attached devices' supported link modes */
/* See ethtool.h for more info */
return 0;
}
+#define MASTER_SLAVE_CFG_UNSUPPORTED 0
+#define MASTER_SLAVE_CFG_UNKNOWN 1
+#define MASTER_SLAVE_CFG_MASTER_PREFERRED 2
+#define MASTER_SLAVE_CFG_SLAVE_PREFERRED 3
+#define MASTER_SLAVE_CFG_MASTER_FORCE 4
+#define MASTER_SLAVE_CFG_SLAVE_FORCE 5
+#define MASTER_SLAVE_STATE_UNSUPPORTED 0
+#define MASTER_SLAVE_STATE_UNKNOWN 1
+#define MASTER_SLAVE_STATE_MASTER 2
+#define MASTER_SLAVE_STATE_SLAVE 3
+#define MASTER_SLAVE_STATE_ERR 4
+
/* Which connector port. */
#define PORT_TP 0x00
#define PORT_AUI 0x01
__u8 eth_tp_mdix_ctrl;
__s8 link_mode_masks_nwords;
__u8 transceiver;
- __u8 reserved1[3];
+ __u8 master_slave_cfg;
+ __u8 master_slave_state;
+ __u8 reserved1[1];
__u32 reserved[7];
__u32 link_mode_masks[0];
/* layout of link_mode_masks fields:
ETHTOOL_A_LINKMODES_PEER, /* bitset */
ETHTOOL_A_LINKMODES_SPEED, /* u32 */
ETHTOOL_A_LINKMODES_DUPLEX, /* u8 */
+ ETHTOOL_A_LINKMODES_MASTER_SLAVE_CFG, /* u8 */
+ ETHTOOL_A_LINKMODES_MASTER_SLAVE_STATE, /* u8 */
/* add new constants above here */
__ETHTOOL_A_LINKMODES_CNT,
/* 1000BASE-T Control register */
#define ADVERTISE_1000FULL 0x0200 /* Advertise 1000BASE-T full duplex */
#define ADVERTISE_1000HALF 0x0100 /* Advertise 1000BASE-T half duplex */
+#define CTL1000_PREFER_MASTER 0x0400 /* prefer to operate as master */
#define CTL1000_AS_MASTER 0x0800
#define CTL1000_ENABLE_MASTER 0x1000
/* 1000BASE-T Status register */
#define LPA_1000MSFAIL 0x8000 /* Master/Slave resolution failure */
+#define LPA_1000MSRES 0x4000 /* Master/Slave resolution status */
#define LPA_1000LOCALRXOK 0x2000 /* Link partner local receiver status */
#define LPA_1000REMRXOK 0x1000 /* Link partner remote receiver status */
#define LPA_1000FULL 0x0800 /* Link partner 1000BASE-T full duplex */
link_ksettings.base.cmd = ETHTOOL_GLINKSETTINGS;
link_ksettings.base.link_mode_masks_nwords
= __ETHTOOL_LINK_MODE_MASK_NU32;
+ link_ksettings.base.master_slave_cfg = MASTER_SLAVE_CFG_UNSUPPORTED;
+ link_ksettings.base.master_slave_state = MASTER_SLAVE_STATE_UNSUPPORTED;
return store_link_ksettings_for_user(useraddr, &link_ksettings);
}
!= link_ksettings.base.link_mode_masks_nwords)
return -EINVAL;
+ if (link_ksettings.base.master_slave_cfg ||
+ link_ksettings.base.master_slave_state)
+ return -EINVAL;
+
err = dev->ethtool_ops->set_link_ksettings(dev, &link_ksettings);
if (err >= 0) {
ethtool_notify(dev, ETHTOOL_MSG_LINKINFO_NTF, NULL);
[ETHTOOL_A_LINKMODES_PEER] = { .type = NLA_REJECT },
[ETHTOOL_A_LINKMODES_SPEED] = { .type = NLA_REJECT },
[ETHTOOL_A_LINKMODES_DUPLEX] = { .type = NLA_REJECT },
+ [ETHTOOL_A_LINKMODES_MASTER_SLAVE_CFG] = { .type = NLA_REJECT },
+ [ETHTOOL_A_LINKMODES_MASTER_SLAVE_STATE] = { .type = NLA_REJECT },
};
static int linkmodes_prepare_data(const struct ethnl_req_info *req_base,
{
const struct linkmodes_reply_data *data = LINKMODES_REPDATA(reply_base);
const struct ethtool_link_ksettings *ksettings = &data->ksettings;
+ const struct ethtool_link_settings *lsettings = &ksettings->base;
bool compact = req_base->flags & ETHTOOL_FLAG_COMPACT_BITSETS;
int len, ret;
len += ret;
}
+ if (lsettings->master_slave_cfg != MASTER_SLAVE_CFG_UNSUPPORTED)
+ len += nla_total_size(sizeof(u8));
+
+ if (lsettings->master_slave_state != MASTER_SLAVE_STATE_UNSUPPORTED)
+ len += nla_total_size(sizeof(u8));
+
return len;
}
nla_put_u8(skb, ETHTOOL_A_LINKMODES_DUPLEX, lsettings->duplex))
return -EMSGSIZE;
+ if (lsettings->master_slave_cfg != MASTER_SLAVE_CFG_UNSUPPORTED &&
+ nla_put_u8(skb, ETHTOOL_A_LINKMODES_MASTER_SLAVE_CFG,
+ lsettings->master_slave_cfg))
+ return -EMSGSIZE;
+
+ if (lsettings->master_slave_state != MASTER_SLAVE_STATE_UNSUPPORTED &&
+ nla_put_u8(skb, ETHTOOL_A_LINKMODES_MASTER_SLAVE_STATE,
+ lsettings->master_slave_state))
+ return -EMSGSIZE;
+
return 0;
}
[ETHTOOL_A_LINKMODES_PEER] = { .type = NLA_REJECT },
[ETHTOOL_A_LINKMODES_SPEED] = { .type = NLA_U32 },
[ETHTOOL_A_LINKMODES_DUPLEX] = { .type = NLA_U8 },
+ [ETHTOOL_A_LINKMODES_MASTER_SLAVE_CFG] = { .type = NLA_U8 },
+ [ETHTOOL_A_LINKMODES_MASTER_SLAVE_STATE] = { .type = NLA_REJECT },
};
/* Set advertised link modes to all supported modes matching requested speed
__ETHTOOL_LINK_MODE_MASK_NBITS);
}
+static bool ethnl_validate_master_slave_cfg(u8 cfg)
+{
+ switch (cfg) {
+ case MASTER_SLAVE_CFG_MASTER_PREFERRED:
+ case MASTER_SLAVE_CFG_SLAVE_PREFERRED:
+ case MASTER_SLAVE_CFG_MASTER_FORCE:
+ case MASTER_SLAVE_CFG_SLAVE_FORCE:
+ return true;
+ }
+
+ return false;
+}
+
static int ethnl_update_linkmodes(struct genl_info *info, struct nlattr **tb,
struct ethtool_link_ksettings *ksettings,
bool *mod)
{
struct ethtool_link_settings *lsettings = &ksettings->base;
bool req_speed, req_duplex;
+ const struct nlattr *master_slave_cfg;
int ret;
+ master_slave_cfg = tb[ETHTOOL_A_LINKMODES_MASTER_SLAVE_CFG];
+ if (master_slave_cfg) {
+ u8 cfg = nla_get_u8(master_slave_cfg);
+
+ if (lsettings->master_slave_cfg == MASTER_SLAVE_CFG_UNSUPPORTED) {
+ NL_SET_ERR_MSG_ATTR(info->extack, master_slave_cfg,
+ "master/slave configuration not supported by device");
+ return -EOPNOTSUPP;
+ }
+
+ if (!ethnl_validate_master_slave_cfg(cfg)) {
+ NL_SET_ERR_MSG_ATTR(info->extack, master_slave_cfg,
+ "master/slave value is invalid");
+ return -EOPNOTSUPP;
+ }
+ }
+
*mod = false;
req_speed = tb[ETHTOOL_A_LINKMODES_SPEED];
req_duplex = tb[ETHTOOL_A_LINKMODES_DUPLEX];
mod);
ethnl_update_u8(&lsettings->duplex, tb[ETHTOOL_A_LINKMODES_DUPLEX],
mod);
+ ethnl_update_u8(&lsettings->master_slave_cfg, master_slave_cfg, mod);
if (!tb[ETHTOOL_A_LINKMODES_OURS] && lsettings->autoneg &&
(req_speed || req_duplex) &&
projects / linux-2.6-microblaze.git / commitdiff