1 files changed, 86 insertions, 14 deletions

diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index ff8da720a33a..07fc603c2fa7 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -35,6 +35,7 @@
 #include <linux/module.h>
 #include <linux/types.h>
 #include <linux/fcntl.h>
+#include <linux/filter.h>
 #include <linux/interrupt.h>
 #include <linux/ptrace.h>
 #include <linux/ioport.h>
@@ -71,6 +72,7 @@
 #include <linux/ethtool.h>
 #include <linux/if_vlan.h>
 #include <linux/if_bonding.h>
+#include <linux/phy.h>
 #include <linux/jiffies.h>
 #include <linux/preempt.h>
 #include <net/route.h>
@@ -1096,9 +1098,6 @@ static bool bond_should_notify_peers(struct bonding *bond)
 	slave = rcu_dereference(bond->curr_active_slave);
 	rcu_read_unlock();
 
-	netdev_dbg(bond->dev, "bond_should_notify_peers: slave %s\n",
-		   slave ? slave->dev->name : "NULL");
-
 	if (!slave || !bond->send_peer_notif ||
 	    bond->send_peer_notif %
 	    max(1, bond->params.peer_notif_delay) != 0 ||
@@ -1106,6 +1105,9 @@ static bool bond_should_notify_peers(struct bonding *bond)
 	    test_bit(__LINK_STATE_LINKWATCH_PENDING, &slave->dev->state))
 		return false;
 
+	netdev_dbg(bond->dev, "bond_should_notify_peers: slave %s\n",
+		   slave ? slave->dev->name : "NULL");
+
 	return true;
 }
 
@@ -1460,7 +1462,7 @@ done:
 	bond_dev->hw_enc_features |= xfrm_features;
 #endif /* CONFIG_XFRM_OFFLOAD */
 	bond_dev->mpls_features = mpls_features;
-	bond_dev->gso_max_segs = gso_max_segs;
+	netif_set_gso_max_segs(bond_dev, gso_max_segs);
 	netif_set_gso_max_size(bond_dev, gso_max_size);
 
 	bond_dev->priv_flags &= ~IFF_XMIT_DST_RELEASE;
@@ -3129,8 +3131,8 @@ static void bond_loadbalance_arp_mon(struct bonding *bond)
 			 * when the source ip is 0, so don't take the link down
 			 * if we don't know our ip yet
 			 */
-			if (!bond_time_in_interval(bond, trans_start, 2) ||
-			    !bond_time_in_interval(bond, slave->last_rx, 2)) {
+			if (!bond_time_in_interval(bond, trans_start, bond->params.missed_max) ||
+			    !bond_time_in_interval(bond, slave->last_rx, bond->params.missed_max)) {
 
 				bond_propose_link_state(slave, BOND_LINK_DOWN);
 				slave_state_changed = 1;
@@ -3224,7 +3226,7 @@ static int bond_ab_arp_inspect(struct bonding *bond)
 
 		/* Backup slave is down if:
 		 * - No current_arp_slave AND
-		 * - more than 3*delta since last receive AND
+		 * - more than (missed_max+1)*delta since last receive AND
 		 * - the bond has an IP address
 		 *
 		 * Note: a non-null current_arp_slave indicates
@@ -3236,20 +3238,20 @@ static int bond_ab_arp_inspect(struct bonding *bond)
 		 */
 		if (!bond_is_active_slave(slave) &&
 		    !rcu_access_pointer(bond->current_arp_slave) &&
-		    !bond_time_in_interval(bond, last_rx, 3)) {
+		    !bond_time_in_interval(bond, last_rx, bond->params.missed_max + 1)) {
 			bond_propose_link_state(slave, BOND_LINK_DOWN);
 			commit++;
 		}
 
 		/* Active slave is down if:
-		 * - more than 2*delta since transmitting OR
-		 * - (more than 2*delta since receive AND
+		 * - more than missed_max*delta since transmitting OR
+		 * - (more than missed_max*delta since receive AND
 		 *    the bond has an IP address)
 		 */
 		trans_start = dev_trans_start(slave->dev);
 		if (bond_is_active_slave(slave) &&
-		    (!bond_time_in_interval(bond, trans_start, 2) ||
-		     !bond_time_in_interval(bond, last_rx, 2))) {
+		    (!bond_time_in_interval(bond, trans_start, bond->params.missed_max) ||
+		     !bond_time_in_interval(bond, last_rx, bond->params.missed_max))) {
 			bond_propose_link_state(slave, BOND_LINK_DOWN);
 			commit++;
 		}
@@ -4091,7 +4093,11 @@ static int bond_eth_ioctl(struct net_device *bond_dev, struct ifreq *ifr, int cm
 {
 	struct bonding *bond = netdev_priv(bond_dev);
 	struct mii_ioctl_data *mii = NULL;
-	int res;
+	const struct net_device_ops *ops;
+	struct net_device *real_dev;
+	struct hwtstamp_config cfg;
+	struct ifreq ifrr;
+	int res = 0;
 
 	netdev_dbg(bond_dev, "bond_eth_ioctl: cmd=%d\n", cmd);
 
@@ -4117,7 +4123,42 @@ static int bond_eth_ioctl(struct net_device *bond_dev, struct ifreq *ifr, int cm
 				mii->val_out = BMSR_LSTATUS;
 		}
 
-		return 0;
+		break;
+	case SIOCSHWTSTAMP:
+		if (copy_from_user(&cfg, ifr->ifr_data, sizeof(cfg)))
+			return -EFAULT;
+
+		if (!(cfg.flags & HWTSTAMP_FLAG_BONDED_PHC_INDEX))
+			return -EOPNOTSUPP;
+
+		fallthrough;
+	case SIOCGHWTSTAMP:
+		rcu_read_lock();
+		real_dev = bond_option_active_slave_get_rcu(bond);
+		rcu_read_unlock();
+		if (!real_dev)
+			return -EOPNOTSUPP;
+
+		strscpy_pad(ifrr.ifr_name, real_dev->name, IFNAMSIZ);
+		ifrr.ifr_ifru = ifr->ifr_ifru;
+
+		ops = real_dev->netdev_ops;
+		if (netif_device_present(real_dev) && ops->ndo_eth_ioctl) {
+			res = ops->ndo_eth_ioctl(real_dev, &ifrr, cmd);
+			if (res)
+				return res;
+
+			ifr->ifr_ifru = ifrr.ifr_ifru;
+			if (copy_from_user(&cfg, ifr->ifr_data, sizeof(cfg)))
+				return -EFAULT;
+
+			/* Set the BOND_PHC_INDEX flag to notify user space */
+			cfg.flags |= HWTSTAMP_FLAG_BONDED_PHC_INDEX;
+
+			return copy_to_user(ifr->ifr_data, &cfg, sizeof(cfg)) ?
+				-EFAULT : 0;
+		}
+		fallthrough;
 	default:
 		res = -EOPNOTSUPP;
 	}
@@ -5319,10 +5360,40 @@ static void bond_ethtool_get_drvinfo(struct net_device *bond_dev,
 		 BOND_ABI_VERSION);
 }
 
+static int bond_ethtool_get_ts_info(struct net_device *bond_dev,
+				    struct ethtool_ts_info *info)
+{
+	struct bonding *bond = netdev_priv(bond_dev);
+	const struct ethtool_ops *ops;
+	struct net_device *real_dev;
+	struct phy_device *phydev;
+
+	rcu_read_lock();
+	real_dev = bond_option_active_slave_get_rcu(bond);
+	rcu_read_unlock();
+	if (real_dev) {
+		ops = real_dev->ethtool_ops;
+		phydev = real_dev->phydev;
+
+		if (phy_has_tsinfo(phydev)) {
+			return phy_ts_info(phydev, info);
+		} else if (ops->get_ts_info) {
+			return ops->get_ts_info(real_dev, info);
+		}
+	}
+
+	info->so_timestamping = SOF_TIMESTAMPING_RX_SOFTWARE |
+				SOF_TIMESTAMPING_SOFTWARE;
+	info->phc_index = -1;
+
+	return 0;
+}
+
 static const struct ethtool_ops bond_ethtool_ops = {
 	.get_drvinfo		= bond_ethtool_get_drvinfo,
 	.get_link		= ethtool_op_get_link,
 	.get_link_ksettings	= bond_ethtool_get_link_ksettings,
+	.get_ts_info		= bond_ethtool_get_ts_info,
 };
 
 static const struct net_device_ops bond_netdev_ops = {
@@ -5822,6 +5893,7 @@ static int bond_check_params(struct bond_params *params)
 	params->arp_interval = arp_interval;
 	params->arp_validate = arp_validate_value;
 	params->arp_all_targets = arp_all_targets_value;
+	params->missed_max = 2;
 	params->updelay = updelay;
 	params->downdelay = downdelay;
 	params->peer_notif_delay = 0;