Merge branch 'linus'

Author: akpm00

Documentation/admin-guide/sysctl/net.rst

@@ -271,7 +271,7 @@ poll cycle or the number of packets processed reaches netdev_budget.
 netdev_max_backlog
 ------------------
 
-Maximum number  of  packets,  queued  on  the  INPUT  side, when the interface
+Maximum number of packets, queued on the INPUT side, when the interface
 receives packets faster than kernel can process them.
 
 netdev_rss_key

MAINTAINERS

@@ -3679,6 +3679,7 @@ F:	Documentation/networking/bonding.rst
 F:	drivers/net/bonding/
 F:	include/net/bond*
 F:	include/uapi/linux/if_bonding.h
+F:	tools/testing/selftests/drivers/net/bonding/
 
 BOSCH SENSORTEC BMA400 ACCELEROMETER IIO DRIVER
 M:	Dan Robertson <dan@dlrobertson.com>

drivers/firmware/dmi_scan.c

@@ -630,7 +630,7 @@ static int __init dmi_smbios3_present(const u8 *buf)
 {
 	if (memcmp(buf, "_SM3_", 5) == 0 &&
 	    buf[6] < 32 && dmi_checksum(buf, buf[6])) {
-		dmi_ver = get_unaligned_be32(buf + 6) & 0xFFFFFF;
+		dmi_ver = get_unaligned_be24(buf + 7);
 		dmi_num = 0;			/* No longer specified */
 		dmi_len = get_unaligned_le32(buf + 12);
 		dmi_base = get_unaligned_le64(buf + 16);

drivers/net/bonding/bond_3ad.c

@@ -84,7 +84,8 @@ enum ad_link_speed_type {
 static const u8 null_mac_addr[ETH_ALEN + 2] __long_aligned = {
 	0, 0, 0, 0, 0, 0
 };
-static u16 ad_ticks_per_sec;
+
+static const u16 ad_ticks_per_sec = 1000 / AD_TIMER_INTERVAL;
 static const int ad_delta_in_ticks = (AD_TIMER_INTERVAL * HZ) / 1000;
 
 static const u8 lacpdu_mcast_addr[ETH_ALEN + 2] __long_aligned =
@@ -2001,36 +2002,24 @@ void bond_3ad_initiate_agg_selection(struct bonding *bond, int timeout)
 /**
  * bond_3ad_initialize - initialize a bond's 802.3ad parameters and structures
  * @bond: bonding struct to work on
- * @tick_resolution: tick duration (millisecond resolution)
  *
  * Can be called only after the mac address of the bond is set.
  */
-void bond_3ad_initialize(struct bonding *bond, u16 tick_resolution)
+void bond_3ad_initialize(struct bonding *bond)
 {
-	/* check that the bond is not initialized yet */
-	if (!MAC_ADDRESS_EQUAL(&(BOND_AD_INFO(bond).system.sys_mac_addr),
-				bond->dev->dev_addr)) {
-
-		BOND_AD_INFO(bond).aggregator_identifier = 0;
-
-		BOND_AD_INFO(bond).system.sys_priority =
-			bond->params.ad_actor_sys_prio;
-		if (is_zero_ether_addr(bond->params.ad_actor_system))
-			BOND_AD_INFO(bond).system.sys_mac_addr =
-			    *((struct mac_addr *)bond->dev->dev_addr);
-		else
-			BOND_AD_INFO(bond).system.sys_mac_addr =
-			    *((struct mac_addr *)bond->params.ad_actor_system);
-
-		/* initialize how many times this module is called in one
-		 * second (should be about every 100ms)
-		 */
-		ad_ticks_per_sec = tick_resolution;
+	BOND_AD_INFO(bond).aggregator_identifier = 0;
+	BOND_AD_INFO(bond).system.sys_priority =
+		bond->params.ad_actor_sys_prio;
+	if (is_zero_ether_addr(bond->params.ad_actor_system))
+		BOND_AD_INFO(bond).system.sys_mac_addr =
+		    *((struct mac_addr *)bond->dev->dev_addr);
+	else
+		BOND_AD_INFO(bond).system.sys_mac_addr =
+		    *((struct mac_addr *)bond->params.ad_actor_system);
 
-		bond_3ad_initiate_agg_selection(bond,
-						AD_AGGREGATOR_SELECTION_TIMER *
-						ad_ticks_per_sec);
-	}
+	bond_3ad_initiate_agg_selection(bond,
+					AD_AGGREGATOR_SELECTION_TIMER *
+					ad_ticks_per_sec);
 }
 
 /**

drivers/net/bonding/bond_main.c

@@ -2081,7 +2081,7 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev,
 			/* Initialize AD with the number of times that the AD timer is called in 1 second
 			 * can be called only after the mac address of the bond is set
 			 */
-			bond_3ad_initialize(bond, 1000/AD_TIMER_INTERVAL);
+			bond_3ad_initialize(bond);
 		} else {
 			SLAVE_AD_INFO(new_slave)->id =
 				SLAVE_AD_INFO(prev_slave)->id + 1;

drivers/net/dsa/microchip/ksz_common.c

@@ -803,9 +803,15 @@ static void ksz_phylink_get_caps(struct dsa_switch *ds, int port,
 	if (dev->info->supports_rgmii[port])
 		phy_interface_set_rgmii(config->supported_interfaces);
 
-	if (dev->info->internal_phy[port])
+	if (dev->info->internal_phy[port]) {
 		__set_bit(PHY_INTERFACE_MODE_INTERNAL,
 			  config->supported_interfaces);
+		/* Compatibility for phylib's default interface type when the
+		 * phy-mode property is absent
+		 */
+		__set_bit(PHY_INTERFACE_MODE_GMII,
+			  config->supported_interfaces);
+	}
 
 	if (dev->dev_ops->get_caps)
 		dev->dev_ops->get_caps(dev, port, config);
@@ -962,6 +968,7 @@ static void ksz_update_port_member(struct ksz_device *dev, int port)
 static int ksz_setup(struct dsa_switch *ds)
 {
 	struct ksz_device *dev = ds->priv;
+	struct ksz_port *p;
 	const u16 *regs;
 	int ret;
 
@@ -1001,6 +1008,14 @@ static int ksz_setup(struct dsa_switch *ds)
 			return ret;
 	}
 
+	/* Start with learning disabled on standalone user ports, and enabled
+	 * on the CPU port. In lack of other finer mechanisms, learning on the
+	 * CPU port will avoid flooding bridge local addresses on the network
+	 * in some cases.
+	 */
+	p = &dev->ports[dev->cpu_port];
+	p->learning = true;
+
 	/* start switch */
 	regmap_update_bits(dev->regmap[0], regs[S_START_CTRL],
 			   SW_START, SW_START);
@@ -1277,6 +1292,8 @@ void ksz_port_stp_state_set(struct dsa_switch *ds, int port, u8 state)
 	ksz_pread8(dev, port, regs[P_STP_CTRL], &data);
 	data &= ~(PORT_TX_ENABLE | PORT_RX_ENABLE | PORT_LEARN_DISABLE);
 
+	p = &dev->ports[port];
+
 	switch (state) {
 	case BR_STATE_DISABLED:
 		data |= PORT_LEARN_DISABLE;
@@ -1286,9 +1303,13 @@ void ksz_port_stp_state_set(struct dsa_switch *ds, int port, u8 state)
 		break;
 	case BR_STATE_LEARNING:
 		data |= PORT_RX_ENABLE;
+		if (!p->learning)
+			data |= PORT_LEARN_DISABLE;
 		break;
 	case BR_STATE_FORWARDING:
 		data |= (PORT_TX_ENABLE | PORT_RX_ENABLE);
+		if (!p->learning)
+			data |= PORT_LEARN_DISABLE;
 		break;
 	case BR_STATE_BLOCKING:
 		data |= PORT_LEARN_DISABLE;
@@ -1300,12 +1321,38 @@ void ksz_port_stp_state_set(struct dsa_switch *ds, int port, u8 state)
 
 	ksz_pwrite8(dev, port, regs[P_STP_CTRL], data);
 
-	p = &dev->ports[port];
 	p->stp_state = state;
 
 	ksz_update_port_member(dev, port);
 }
 
+static int ksz_port_pre_bridge_flags(struct dsa_switch *ds, int port,
+				     struct switchdev_brport_flags flags,
+				     struct netlink_ext_ack *extack)
+{
+	if (flags.mask & ~BR_LEARNING)
+		return -EINVAL;
+
+	return 0;
+}
+
+static int ksz_port_bridge_flags(struct dsa_switch *ds, int port,
+				 struct switchdev_brport_flags flags,
+				 struct netlink_ext_ack *extack)
+{
+	struct ksz_device *dev = ds->priv;
+	struct ksz_port *p = &dev->ports[port];
+
+	if (flags.mask & BR_LEARNING) {
+		p->learning = !!(flags.val & BR_LEARNING);
+
+		/* Make the change take effect immediately */
+		ksz_port_stp_state_set(ds, port, p->stp_state);
+	}
+
+	return 0;
+}
+
 static enum dsa_tag_protocol ksz_get_tag_protocol(struct dsa_switch *ds,
 						  int port,
 						  enum dsa_tag_protocol mp)
@@ -1719,6 +1766,8 @@ static const struct dsa_switch_ops ksz_switch_ops = {
 	.port_bridge_join	= ksz_port_bridge_join,
 	.port_bridge_leave	= ksz_port_bridge_leave,
 	.port_stp_state_set	= ksz_port_stp_state_set,
+	.port_pre_bridge_flags	= ksz_port_pre_bridge_flags,
+	.port_bridge_flags	= ksz_port_bridge_flags,
 	.port_fast_age		= ksz_port_fast_age,
 	.port_vlan_filtering	= ksz_port_vlan_filtering,
 	.port_vlan_add		= ksz_port_vlan_add,

drivers/net/dsa/microchip/ksz_common.h

@@ -65,6 +65,7 @@ struct ksz_chip_data {
 
 struct ksz_port {
 	bool remove_tag;		/* Remove Tag flag set, for ksz8795 only */
+	bool learning;
 	int stp_state;
 	struct phy_device phydev;
 

drivers/net/ethernet/broadcom/bnxt/bnxt.c

@@ -11178,10 +11178,7 @@ static netdev_features_t bnxt_fix_features(struct net_device *dev,
 	if ((features & NETIF_F_NTUPLE) && !bnxt_rfs_capable(bp))
 		features &= ~NETIF_F_NTUPLE;
 
-	if (bp->flags & BNXT_FLAG_NO_AGG_RINGS)
-		features &= ~(NETIF_F_LRO | NETIF_F_GRO_HW);
-
-	if (!(bp->flags & BNXT_FLAG_TPA))
+	if ((bp->flags & BNXT_FLAG_NO_AGG_RINGS) || bp->xdp_prog)
 		features &= ~(NETIF_F_LRO | NETIF_F_GRO_HW);
 
 	if (!(features & NETIF_F_GRO))

drivers/net/ethernet/broadcom/bnxt/bnxt.h

@@ -2130,6 +2130,7 @@ struct bnxt {
 #define BNXT_DUMP_CRASH		1
 
 	struct bpf_prog		*xdp_prog;
+	u8			xdp_has_frags;
 
 	struct bnxt_ptp_cfg	*ptp_cfg;
 	u8			ptp_all_rx_tstamp;

drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c

@@ -1306,6 +1306,7 @@ int bnxt_dl_register(struct bnxt *bp)
 	if (rc)
 		goto err_dl_port_unreg;
 
+	devlink_set_features(dl, DEVLINK_F_RELOAD);
 out:
 	devlink_register(dl);
 	return 0;