Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

Pull networking updates from David Miller:
 "Another merge window, another pull full of stuff:

   1) Support alternative names for network devices, from Jiri Pirko.

   2) Introduce per-netns netdev notifiers, also from Jiri Pirko.

   3) Support MSG_PEEK in vsock/virtio, from Matias Ezequiel Vara
      Larsen.

   4) Allow compiling out the TLS TOE code, from Jakub Kicinski.

   5) Add several new tracepoints to the kTLS code, also from Jakub.

   6) Support set channels ethtool callback in ena driver, from Sameeh
      Jubran.

   7) New SCTP events SCTP_ADDR_ADDED, SCTP_ADDR_REMOVED,
      SCTP_ADDR_MADE_PRIM, and SCTP_SEND_FAILED_EVENT. From Xin Long.

   8) Add XDP support to mvneta driver, from Lorenzo Bianconi.

   9) Lots of netfilter hw offload fixes, cleanups and enhancements,
      from Pablo Neira Ayuso.

  10) PTP support for aquantia chips, from Egor Pomozov.

  11) Add UDP segmentation offload support to igb, ixgbe, and i40e. From
      Josh Hunt.

  12) Add smart nagle to tipc, from Jon Maloy.

  13) Support L2 field rewrite by TC offloads in bnxt_en, from Venkat
      Duvvuru.

  14) Add a flow mask cache to OVS, from Tonghao Zhang.

  15) Add XDP support to ice driver, from Maciej Fijalkowski.

  16) Add AF_XDP support to ice driver, from Krzysztof Kazimierczak.

  17) Support UDP GSO offload in atlantic driver, from Igor Russkikh.

  18) Support it in stmmac driver too, from Jose Abreu.

  19) Support TIPC encryption and auth, from Tuong Lien.

  20) Introduce BPF trampolines, from Alexei Starovoitov.

  21) Make page_pool API more numa friendly, from Saeed Mahameed.

  22) Introduce route hints to ipv4 and ipv6, from Paolo Abeni.

  23) Add UDP segmentation offload to cxgb4, Rahul Lakkireddy"

* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1857 commits)
  libbpf: Fix usage of u32 in userspace code
  mm: Implement no-MMU variant of vmalloc_user_node_flags
  slip: Fix use-after-free Read in slip_open
  net: dsa: sja1105: fix sja1105_parse_rgmii_delays()
  macvlan: schedule bc_work even if error
  enetc: add support Credit Based Shaper(CBS) for hardware offload
  net: phy: add helpers phy_(un)lock_mdio_bus
  mdio_bus: don't use managed reset-controller
  ax88179_178a: add ethtool_op_get_ts_info()
  mlxsw: spectrum_router: Fix use of uninitialized adjacency index
  mlxsw: spectrum_router: After underlay moves, demote conflicting tunnels
  bpf: Simplify __bpf_arch_text_poke poke type handling
  bpf: Introduce BPF_TRACE_x helper for the tracing tests
  bpf: Add bpf_jit_blinding_enabled for !CONFIG_BPF_JIT
  bpf, testing: Add various tail call test cases
  bpf, x86: Emit patchable direct jump as tail call
  bpf: Constant map key tracking for prog array pokes
  bpf: Add poke dependency tracking for prog array maps
  bpf: Add initial poke descriptor table for jit images
  bpf: Move owner type, jited info into array auxiliary data
  ...

1 files changed, 123 insertions, 28 deletions

diff --git a/drivers/net/wireless/quantenna/qtnfmac/core.c b/drivers/net/wireless/quantenna/qtnfmac/core.c
index 8d699cc03d26..5fb598389487 100644
--- a/drivers/net/wireless/quantenna/qtnfmac/core.c
+++ b/drivers/net/wireless/quantenna/qtnfmac/core.c
@@ -12,6 +12,7 @@
 #include "cfg80211.h"
 #include "event.h"
 #include "util.h"
+#include "switchdev.h"
 
 #define QTNF_DMP_MAX_LEN 48
 #define QTNF_PRIMARY_VIF_IDX	0
@@ -22,13 +23,6 @@ MODULE_PARM_DESC(slave_radar, "set 0 to disable radar detection in slave mode");
 
 static struct dentry *qtnf_debugfs_dir;
 
-struct qtnf_frame_meta_info {
-	u8 magic_s;
-	u8 ifidx;
-	u8 macid;
-	u8 magic_e;
-} __packed;
-
 struct qtnf_wmac *qtnf_core_get_mac(const struct qtnf_bus *bus, u8 macid)
 {
 	struct qtnf_wmac *mac = NULL;
@@ -67,6 +61,14 @@ static int qtnf_netdev_close(struct net_device *ndev)
 	return 0;
 }
 
+static void qtnf_packet_send_hi_pri(struct sk_buff *skb)
+{
+	struct qtnf_vif *vif = qtnf_netdev_get_priv(skb->dev);
+
+	skb_queue_tail(&vif->high_pri_tx_queue, skb);
+	queue_work(vif->mac->bus->hprio_workqueue, &vif->high_pri_tx_work);
+}
+
 /* Netdev handler for data transmission.
  */
 static netdev_tx_t
@@ -107,7 +109,13 @@ qtnf_netdev_hard_start_xmit(struct sk_buff *skb, struct net_device *ndev)
 	/* tx path is enabled: reset vif timeout */
 	vif->cons_tx_timeout_cnt = 0;
 
-	return qtnf_bus_data_tx(mac->bus, skb);
+	if (unlikely(skb->protocol == htons(ETH_P_PAE))) {
+		qtnf_packet_send_hi_pri(skb);
+		qtnf_update_tx_stats(ndev, skb);
+		return NETDEV_TX_OK;
+	}
+
+	return qtnf_bus_data_tx(mac->bus, skb, mac->macid, vif->vifid);
 }
 
 /* Netdev handler for getting stats.
@@ -197,6 +205,21 @@ static int qtnf_netdev_set_mac_address(struct net_device *ndev, void *addr)
 	return ret;
 }
 
+static int qtnf_netdev_port_parent_id(struct net_device *ndev,
+				      struct netdev_phys_item_id *ppid)
+{
+	const struct qtnf_vif *vif = qtnf_netdev_get_priv(ndev);
+	const struct qtnf_bus *bus = vif->mac->bus;
+
+	if (!(bus->hw_info.hw_capab & QLINK_HW_CAPAB_HW_BRIDGE))
+		return -EOPNOTSUPP;
+
+	ppid->id_len = sizeof(bus->hw_id);
+	memcpy(&ppid->id, bus->hw_id, ppid->id_len);
+
+	return 0;
+}
+
 /* Network device ops handlers */
 const struct net_device_ops qtnf_netdev_ops = {
 	.ndo_open = qtnf_netdev_open,
@@ -205,6 +228,7 @@ const struct net_device_ops qtnf_netdev_ops = {
 	.ndo_tx_timeout = qtnf_netdev_tx_timeout,
 	.ndo_get_stats64 = qtnf_netdev_get_stats64,
 	.ndo_set_mac_address = qtnf_netdev_set_mac_address,
+	.ndo_get_port_parent_id = qtnf_netdev_port_parent_id,
 };
 
 static int qtnf_mac_init_single_band(struct wiphy *wiphy,
@@ -451,10 +475,8 @@ int qtnf_core_net_attach(struct qtnf_wmac *mac, struct qtnf_vif *vif,
 
 	dev = alloc_netdev_mqs(sizeof(struct qtnf_vif *), name,
 			       name_assign_type, ether_setup, 1, 1);
-	if (!dev) {
-		vif->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
+	if (!dev)
 		return -ENOMEM;
-	}
 
 	vif->netdev = dev;
 
@@ -469,6 +491,9 @@ int qtnf_core_net_attach(struct qtnf_wmac *mac, struct qtnf_vif *vif,
 	dev->tx_queue_len = 100;
 	dev->ethtool_ops = &qtnf_ethtool_ops;
 
+	if (mac->bus->hw_info.hw_capab & QLINK_HW_CAPAB_HW_BRIDGE)
+		dev->needed_tailroom = sizeof(struct qtnf_frame_meta_info);
+
 	qdev_vif = netdev_priv(dev);
 	*((void **)qdev_vif) = vif;
 
@@ -477,7 +502,7 @@ int qtnf_core_net_attach(struct qtnf_wmac *mac, struct qtnf_vif *vif,
 	ret = register_netdevice(dev);
 	if (ret) {
 		free_netdev(dev);
-		vif->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
+		vif->netdev = NULL;
 	}
 
 	return ret;
@@ -518,6 +543,9 @@ static void qtnf_core_mac_detach(struct qtnf_bus *bus, unsigned int macid)
 		if (!wiphy->bands[band])
 			continue;
 
+		kfree(wiphy->bands[band]->iftype_data);
+		wiphy->bands[band]->n_iftype_data = 0;
+
 		kfree(wiphy->bands[band]->channels);
 		wiphy->bands[band]->n_channels = 0;
 
@@ -557,6 +585,10 @@ static int qtnf_core_mac_attach(struct qtnf_bus *bus, unsigned int macid)
 		goto error;
 	}
 
+	/* Use MAC address of the first active radio as a unique device ID */
+	if (is_zero_ether_addr(mac->bus->hw_id))
+		ether_addr_copy(mac->bus->hw_id, mac->macaddr);
+
 	vif = qtnf_mac_get_base_vif(mac);
 	if (!vif) {
 		pr_err("MAC%u: primary VIF is not ready\n", macid);
@@ -574,19 +606,19 @@ static int qtnf_core_mac_attach(struct qtnf_bus *bus, unsigned int macid)
 	ret = qtnf_cmd_send_get_phy_params(mac);
 	if (ret) {
 		pr_err("MAC%u: failed to get PHY settings\n", macid);
-		goto error;
+		goto error_del_vif;
 	}
 
 	ret = qtnf_mac_init_bands(mac);
 	if (ret) {
 		pr_err("MAC%u: failed to init bands\n", macid);
-		goto error;
+		goto error_del_vif;
 	}
 
 	ret = qtnf_wiphy_register(&bus->hw_info, mac);
 	if (ret) {
 		pr_err("MAC%u: wiphy registration failed\n", macid);
-		goto error;
+		goto error_del_vif;
 	}
 
 	mac->wiphy_registered = 1;
@@ -598,20 +630,75 @@ static int qtnf_core_mac_attach(struct qtnf_bus *bus, unsigned int macid)
 
 	if (ret) {
 		pr_err("MAC%u: failed to attach netdev\n", macid);
-		vif->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
-		vif->netdev = NULL;
-		goto error;
+		goto error_del_vif;
+	}
+
+	if (bus->hw_info.hw_capab & QLINK_HW_CAPAB_HW_BRIDGE) {
+		ret = qtnf_cmd_netdev_changeupper(vif, vif->netdev->ifindex);
+		if (ret)
+			goto error;
 	}
 
 	pr_debug("MAC%u initialized\n", macid);
 
 	return 0;
 
+error_del_vif:
+	qtnf_cmd_send_del_intf(vif);
+	vif->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
 error:
 	qtnf_core_mac_detach(bus, macid);
 	return ret;
 }
 
+bool qtnf_netdev_is_qtn(const struct net_device *ndev)
+{
+	return ndev->netdev_ops == &qtnf_netdev_ops;
+}
+
+static int qtnf_core_netdevice_event(struct notifier_block *nb,
+				     unsigned long event, void *ptr)
+{
+	struct net_device *ndev = netdev_notifier_info_to_dev(ptr);
+	const struct netdev_notifier_changeupper_info *info;
+	struct qtnf_vif *vif;
+	int br_domain;
+	int ret = 0;
+
+	if (!qtnf_netdev_is_qtn(ndev))
+		return NOTIFY_DONE;
+
+	if (!net_eq(dev_net(ndev), &init_net))
+		return NOTIFY_OK;
+
+	vif = qtnf_netdev_get_priv(ndev);
+
+	switch (event) {
+	case NETDEV_CHANGEUPPER:
+		info = ptr;
+
+		if (!netif_is_bridge_master(info->upper_dev))
+			break;
+
+		pr_debug("[VIF%u.%u] change bridge: %s %s\n",
+			 vif->mac->macid, vif->vifid,
+			 netdev_name(info->upper_dev),
+			 info->linking ? "add" : "del");
+
+		if (info->linking)
+			br_domain = info->upper_dev->ifindex;
+		else
+			br_domain = ndev->ifindex;
+
+		ret = qtnf_cmd_netdev_changeupper(vif, br_domain);
+		break;
+	default:
+		break;
+	}
+
+	return notifier_from_errno(ret);
+}
+
 int qtnf_core_attach(struct qtnf_bus *bus)
 {
 	unsigned int i;
@@ -656,6 +743,10 @@ int qtnf_core_attach(struct qtnf_bus *bus)
 		goto error;
 	}
 
+	if ((bus->hw_info.hw_capab & QLINK_HW_CAPAB_HW_BRIDGE) &&
+	    bus->bus_ops->data_tx_use_meta_set)
+		bus->bus_ops->data_tx_use_meta_set(bus, true);
+
 	if (bus->hw_info.num_mac > QTNF_MAX_MAC) {
 		pr_err("no support for number of MACs=%u\n",
 		       bus->hw_info.num_mac);
@@ -672,6 +763,15 @@ int qtnf_core_attach(struct qtnf_bus *bus)
 		}
 	}
 
+	if (bus->hw_info.hw_capab & QLINK_HW_CAPAB_HW_BRIDGE) {
+		bus->netdev_nb.notifier_call = qtnf_core_netdevice_event;
+		ret = register_netdevice_notifier(&bus->netdev_nb);
+		if (ret) {
+			pr_err("failed to register netdev notifier: %d\n", ret);
+			goto error;
+		}
+	}
+
 	bus->fw_state = QTNF_FW_STATE_RUNNING;
 	return 0;
 
@@ -685,6 +785,7 @@ void qtnf_core_detach(struct qtnf_bus *bus)
 {
 	unsigned int macid;
 
+	unregister_netdevice_notifier(&bus->netdev_nb);
 	qtnf_bus_data_rx_stop(bus);
 
 	for (macid = 0; macid < QTNF_MAX_MAC; macid++)
@@ -713,7 +814,8 @@ EXPORT_SYMBOL_GPL(qtnf_core_detach);
 
 static inline int qtnf_is_frame_meta_magic_valid(struct qtnf_frame_meta_info *m)
 {
-	return m->magic_s == 0xAB && m->magic_e == 0xBA;
+	return m->magic_s == HBM_FRAME_META_MAGIC_PATTERN_S &&
+		m->magic_e == HBM_FRAME_META_MAGIC_PATTERN_E;
 }
 
 struct net_device *qtnf_classify_skb(struct qtnf_bus *bus, struct sk_buff *skb)
@@ -768,6 +870,8 @@ struct net_device *qtnf_classify_skb(struct qtnf_bus *bus, struct sk_buff *skb)
 	}
 
 	__skb_trim(skb, skb->len - sizeof(*meta));
+	/* Firmware always handles packets that require flooding */
+	qtnfmac_switch_mark_skb_flooded(skb);
 
 out:
 	return ndev;
@@ -841,15 +945,6 @@ void qtnf_update_tx_stats(struct net_device *ndev, const struct sk_buff *skb)
 }
 EXPORT_SYMBOL_GPL(qtnf_update_tx_stats);
 
-void qtnf_packet_send_hi_pri(struct sk_buff *skb)
-{
-	struct qtnf_vif *vif = qtnf_netdev_get_priv(skb->dev);
-
-	skb_queue_tail(&vif->high_pri_tx_queue, skb);
-	queue_work(vif->mac->bus->hprio_workqueue, &vif->high_pri_tx_work);
-}
-EXPORT_SYMBOL_GPL(qtnf_packet_send_hi_pri);
-
 struct dentry *qtnf_get_debugfs_dir(void)
 {
 	return qtnf_debugfs_dir;