Author: nbd Date: 2015-01-24 20:41:55 +0100 (Sat, 24 Jan 2015) New Revision: 44102
Modified: trunk/target/linux/generic/files/drivers/net/phy/ar8216.c trunk/target/linux/generic/files/drivers/net/phy/ar8216.h Log: ar8216: add link change detection for switch ports Check for switch port link changes and - flush ATU in case of a change - report link change via syslog Signed-off-by: Heiner Kallweit <[email protected]> Modified: trunk/target/linux/generic/files/drivers/net/phy/ar8216.c =================================================================== --- trunk/target/linux/generic/files/drivers/net/phy/ar8216.c 2015-01-24 19:41:51 UTC (rev 44101) +++ trunk/target/linux/generic/files/drivers/net/phy/ar8216.c 2015-01-24 19:41:55 UTC (rev 44102) @@ -1707,12 +1707,47 @@ return 0; } +static bool +ar8xxx_check_link_states(struct ar8xxx_priv *priv) +{ + bool link_new, changed = false; + u32 status; + int i; + + mutex_lock(&priv->reg_mutex); + + for (i = 0; i < priv->dev.ports; i++) { + status = priv->chip->read_port_status(priv, i); + link_new = !!(status & AR8216_PORT_STATUS_LINK_UP); + if (link_new == priv->link_up[i]) + continue; + + priv->link_up[i] = link_new; + changed = true; + dev_info(&priv->phy->dev, "Port %d is %s\n", + i, link_new ? "up" : "down"); + } + + if (changed) + priv->chip->atu_flush(priv); + + mutex_unlock(&priv->reg_mutex); + + return changed; +} + static int ar8xxx_phy_read_status(struct phy_device *phydev) { struct ar8xxx_priv *priv = phydev->priv; struct switch_port_link link; + /* check for link changes and flush ATU + * if a change was detected + */ + if (phydev->state == PHY_CHANGELINK) + ar8xxx_check_link_states(priv); + if (phydev->addr != 0) return genphy_read_status(phydev); Modified: trunk/target/linux/generic/files/drivers/net/phy/ar8216.h =================================================================== --- trunk/target/linux/generic/files/drivers/net/phy/ar8216.h 2015-01-24 19:41:51 UTC (rev 44101) +++ trunk/target/linux/generic/files/drivers/net/phy/ar8216.h 2015-01-24 19:41:55 UTC (rev 44102) @@ -396,6 +396,7 @@ bool initialized; bool port4_phy; char buf[2048]; + bool link_up[AR8X16_MAX_PORTS]; bool init; _______________________________________________ openwrt-commits mailing list [email protected] https://lists.openwrt.org/cgi-bin/mailman/listinfo/openwrt-commits
