Merge tag 'net-next-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

Pull networking updates from Jakub Kicinski:

 - Add redirect_neigh() BPF packet redirect helper, allowing to limit
   stack traversal in common container configs and improving TCP
   back-pressure.

   Daniel reports ~10Gbps => ~15Gbps single stream TCP performance gain.

 - Expand netlink policy support and improve policy export to user
   space. (Ge)netlink core performs request validation according to
   declared policies. Expand the expressiveness of those policies
   (min/max length and bitmasks). Allow dumping policies for particular
   commands. This is used for feature discovery by user space (instead
   of kernel version parsing or trial and error).

 - Support IGMPv3/MLDv2 multicast listener discovery protocols in
   bridge.

 - Allow more than 255 IPv4 multicast interfaces.

 - Add support for Type of Service (ToS) reflection in SYN/SYN-ACK
   packets of TCPv6.

 - In Multi-patch TCP (MPTCP) support concurrent transmission of data on
   multiple subflows in a load balancing scenario. Enhance advertising
   addresses via the RM_ADDR/ADD_ADDR options.

 - Support SMC-Dv2 version of SMC, which enables multi-subnet
   deployments.

 - Allow more calls to same peer in RxRPC.

 - Support two new Controller Area Network (CAN) protocols - CAN-FD and
   ISO 15765-2:2016.

 - Add xfrm/IPsec compat layer, solving the 32bit user space on 64bit
   kernel problem.

 - Add TC actions for implementing MPLS L2 VPNs.

 - Improve nexthop code - e.g. handle various corner cases when nexthop
   objects are removed from groups better, skip unnecessary
   notifications and make it easier to offload nexthops into HW by
   converting to a blocking notifier.

 - Support adding and consuming TCP header options by BPF programs,
   opening the doors for easy experimental and deployment-specific TCP
   option use.

 - Reorganize TCP congestion control (CC) initialization to simplify
   life of TCP CC implemented in BPF.

 - Add support for shipping BPF programs with the kernel and loading
   them early on boot via the User Mode Driver mechanism, hence reusing
   all the user space infra we have.

 - Support sleepable BPF programs, initially targeting LSM and tracing.

 - Add bpf_d_path() helper for returning full path for given 'struct
   path'.

 - Make bpf_tail_call compatible with bpf-to-bpf calls.

 - Allow BPF programs to call map_update_elem on sockmaps.

 - Add BPF Type Format (BTF) support for type and enum discovery, as
   well as support for using BTF within the kernel itself (current use
   is for pretty printing structures).

 - Support listing and getting information about bpf_links via the bpf
   syscall.

 - Enhance kernel interfaces around NIC firmware update. Allow
   specifying overwrite mask to control if settings etc. are reset
   during update; report expected max time operation may take to users;
   support firmware activation without machine reboot incl. limits of
   how much impact reset may have (e.g. dropping link or not).

 - Extend ethtool configuration interface to report IEEE-standard
   counters, to limit the need for per-vendor logic in user space.

 - Adopt or extend devlink use for debug, monitoring, fw update in many
   drivers (dsa loop, ice, ionic, sja1105, qed, mlxsw, mv88e6xxx,
   dpaa2-eth).

 - In mlxsw expose critical and emergency SFP module temperature alarms.
   Refactor port buffer handling to make the defaults more suitable and
   support setting these values explicitly via the DCBNL interface.

 - Add XDP support for Intel's igb driver.

 - Support offloading TC flower classification and filtering rules to
   mscc_ocelot switches.

 - Add PTP support for Marvell Octeontx2 and PP2.2 hardware, as well as
   fixed interval period pulse generator and one-step timestamping in
   dpaa-eth.

 - Add support for various auth offloads in WiFi APs, e.g. SAE (WPA3)
   offload.

 - Add Lynx PHY/PCS MDIO module, and convert various drivers which have
   this HW to use it. Convert mvpp2 to split PCS.

 - Support Marvell Prestera 98DX3255 24-port switch ASICs, as well as
   7-port Mediatek MT7531 IP.

 - Add initial support for QCA6390 and IPQ6018 in ath11k WiFi driver,
   and wcn3680 support in wcn36xx.

 - Improve performance for packets which don't require much offloads on
   recent Mellanox NICs by 20% by making multiple packets share a
   descriptor entry.

 - Move chelsio inline crypto drivers (for TLS and IPsec) from the
   crypto subtree to drivers/net. Move MDIO drivers out of the phy
   directory.

 - Clean up a lot of W=1 warnings, reportedly the actively developed
   subsections of networking drivers should now build W=1 warning free.

 - Make sure drivers don't use in_interrupt() to dynamically adapt their
   code. Convert tasklets to use new tasklet_setup API (sadly this
   conversion is not yet complete).

* tag 'net-next-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (2583 commits)
  Revert "bpfilter: Fix build error with CONFIG_BPFILTER_UMH"
  net, sockmap: Don't call bpf_prog_put() on NULL pointer
  bpf, selftest: Fix flaky tcp_hdr_options test when adding addr to lo
  bpf, sockmap: Add locking annotations to iterator
  netfilter: nftables: allow re-computing sctp CRC-32C in 'payload' statements
  net: fix pos incrementment in ipv6_route_seq_next
  net/smc: fix invalid return code in smcd_new_buf_create()
  net/smc: fix valid DMBE buffer sizes
  net/smc: fix use-after-free of delayed events
  bpfilter: Fix build error with CONFIG_BPFILTER_UMH
  cxgb4/ch_ipsec: Replace the module name to ch_ipsec from chcr
  net: sched: Fix suspicious RCU usage while accessing tcf_tunnel_info
  bpf: Fix register equivalence tracking.
  rxrpc: Fix loss of final ack on shutdown
  rxrpc: Fix bundle counting for exclusive connections
  netfilter: restore NF_INET_NUMHOOKS
  ibmveth: Identify ingress large send packets.
  ibmveth: Switch order of ibmveth_helper calls.
  cxgb4: handle 4-tuple PEDIT to NAT mode translation
  selftests: Add VRF route leaking tests
  ...

1 files changed, 118 insertions, 28 deletions

diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/dma.c b/drivers/net/wireless/mediatek/mt76/mt7915/dma.c
index a8832c5e6004..cfa12c4c671f 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/dma.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/dma.c
@@ -8,7 +8,6 @@
 static int
 mt7915_init_tx_queues(struct mt7915_dev *dev, int n_desc)
 {
-	struct mt76_sw_queue *q;
 	struct mt76_queue *hwq;
 	int err, i;
 
@@ -21,18 +20,14 @@ mt7915_init_tx_queues(struct mt7915_dev *dev, int n_desc)
 	if (err < 0)
 		return err;
 
-	for (i = 0; i < MT_TXQ_MCU; i++) {
-		q = &dev->mt76.q_tx[i];
-		INIT_LIST_HEAD(&q->swq);
-		q->q = hwq;
-	}
+	for (i = 0; i < MT_TXQ_MCU; i++)
+		dev->mt76.q_tx[i] = hwq;
 
 	return 0;
 }
 
 static int
-mt7915_init_mcu_queue(struct mt7915_dev *dev, struct mt76_sw_queue *q,
-		      int idx, int n_desc)
+mt7915_init_mcu_queue(struct mt7915_dev *dev, int qid, int idx, int n_desc)
 {
 	struct mt76_queue *hwq;
 	int err;
@@ -45,8 +40,7 @@ mt7915_init_mcu_queue(struct mt7915_dev *dev, struct mt76_sw_queue *q,
 	if (err < 0)
 		return err;
 
-	INIT_LIST_HEAD(&q->swq);
-	q->q = hwq;
+	dev->mt76.q_tx[qid] = hwq;
 
 	return 0;
 }
@@ -72,7 +66,7 @@ void mt7915_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q,
 			mt76_rx(&dev->mt76, q, skb);
 			return;
 		}
-		/* fall through */
+		fallthrough;
 	default:
 		dev_kfree_skb(skb);
 		break;
@@ -84,8 +78,6 @@ mt7915_tx_cleanup(struct mt7915_dev *dev)
 {
 	mt76_queue_tx_cleanup(dev, MT_TXQ_MCU, false);
 	mt76_queue_tx_cleanup(dev, MT_TXQ_MCU_WA, false);
-	mt76_queue_tx_cleanup(dev, MT_TXQ_PSD, false);
-	mt76_queue_tx_cleanup(dev, MT_TXQ_BE, false);
 }
 
 static int mt7915_poll_tx(struct napi_struct *napi, int budget)
@@ -97,13 +89,7 @@ static int mt7915_poll_tx(struct napi_struct *napi, int budget)
 	mt7915_tx_cleanup(dev);
 
 	if (napi_complete_done(napi, 0))
-		mt7915_irq_enable(dev, MT_INT_TX_DONE_ALL);
-
-	mt7915_tx_cleanup(dev);
-
-	mt7915_mac_sta_poll(dev);
-
-	tasklet_schedule(&dev->mt76.tx_tasklet);
+		mt7915_irq_enable(dev, MT_INT_TX_DONE_MCU);
 
 	return 0;
 }
@@ -138,12 +124,120 @@ void mt7915_dma_prefetch(struct mt7915_dev *dev)
 	mt76_wr(dev, MT_WFDMA1_RX_RING3_EXT_CTRL, PREFETCH(0x480, 0x0));
 }
 
+static u32 __mt7915_reg_addr(struct mt7915_dev *dev, u32 addr)
+{
+	static const struct {
+		u32 phys;
+		u32 mapped;
+		u32 size;
+	} fixed_map[] = {
+		{ 0x54000000, 0x02000, 0x1000 }, /* WFDMA PCIE0 MCU DMA0 */
+		{ 0x55000000, 0x03000, 0x1000 }, /* WFDMA PCIE0 MCU DMA1 */
+		{ 0x58000000, 0x06000, 0x1000 }, /* WFDMA PCIE1 MCU DMA0 (MEM_DMA) */
+		{ 0x59000000, 0x07000, 0x1000 }, /* WFDMA PCIE1 MCU DMA1 */
+		{ 0x7c000000, 0xf0000, 0x10000 }, /* CONN_INFRA */
+		{ 0x7c020000, 0xd0000, 0x10000 }, /* CONN_INFRA, WFDMA */
+		{ 0x80020000, 0xb0000, 0x10000 }, /* WF_TOP_MISC_OFF */
+		{ 0x81020000, 0xc0000, 0x10000 }, /* WF_TOP_MISC_ON */
+		{ 0x820c0000, 0x08000, 0x4000 }, /* WF_UMAC_TOP (PLE) */
+		{ 0x820c8000, 0x0c000, 0x2000 }, /* WF_UMAC_TOP (PSE) */
+		{ 0x820cc000, 0x0e000, 0x2000 }, /* WF_UMAC_TOP (PP) */
+		{ 0x820ce000, 0x21c00, 0x0200 }, /* WF_LMAC_TOP (WF_SEC) */
+		{ 0x820cf000, 0x22000, 0x1000 }, /* WF_LMAC_TOP (WF_PF) */
+		{ 0x820d0000, 0x30000, 0x10000 }, /* WF_LMAC_TOP (WF_WTBLON) */
+		{ 0x820e0000, 0x20000, 0x0400 }, /* WF_LMAC_TOP BN0 (WF_CFG) */
+		{ 0x820e1000, 0x20400, 0x0200 }, /* WF_LMAC_TOP BN0 (WF_TRB) */
+		{ 0x820e2000, 0x20800, 0x0400 }, /* WF_LMAC_TOP BN0 (WF_AGG) */
+		{ 0x820e3000, 0x20c00, 0x0400 }, /* WF_LMAC_TOP BN0 (WF_ARB) */
+		{ 0x820e4000, 0x21000, 0x0400 }, /* WF_LMAC_TOP BN0 (WF_TMAC) */
+		{ 0x820e5000, 0x21400, 0x0800 }, /* WF_LMAC_TOP BN0 (WF_RMAC) */
+		{ 0x820e7000, 0x21e00, 0x0200 }, /* WF_LMAC_TOP BN0 (WF_DMA) */
+		{ 0x820e9000, 0x23400, 0x0200 }, /* WF_LMAC_TOP BN0 (WF_WTBLOFF) */
+		{ 0x820ea000, 0x24000, 0x0200 }, /* WF_LMAC_TOP BN0 (WF_ETBF) */
+		{ 0x820eb000, 0x24200, 0x0400 }, /* WF_LMAC_TOP BN0 (WF_LPON) */
+		{ 0x820ec000, 0x24600, 0x0200 }, /* WF_LMAC_TOP BN0 (WF_INT) */
+		{ 0x820ed000, 0x24800, 0x0800 }, /* WF_LMAC_TOP BN0 (WF_MIB) */
+		{ 0x820f0000, 0xa0000, 0x0400 }, /* WF_LMAC_TOP BN1 (WF_CFG) */
+		{ 0x820f1000, 0xa0600, 0x0200 }, /* WF_LMAC_TOP BN1 (WF_TRB) */
+		{ 0x820f2000, 0xa0800, 0x0400 }, /* WF_LMAC_TOP BN1 (WF_AGG) */
+		{ 0x820f3000, 0xa0c00, 0x0400 }, /* WF_LMAC_TOP BN1 (WF_ARB) */
+		{ 0x820f4000, 0xa1000, 0x0400 }, /* WF_LMAC_TOP BN1 (WF_TMAC) */
+		{ 0x820f5000, 0xa1400, 0x0800 }, /* WF_LMAC_TOP BN1 (WF_RMAC) */
+		{ 0x820f7000, 0xa1e00, 0x0200 }, /* WF_LMAC_TOP BN1 (WF_DMA) */
+		{ 0x820f9000, 0xa3400, 0x0200 }, /* WF_LMAC_TOP BN1 (WF_WTBLOFF) */
+		{ 0x820fa000, 0xa4000, 0x0200 }, /* WF_LMAC_TOP BN1 (WF_ETBF) */
+		{ 0x820fb000, 0xa4200, 0x0400 }, /* WF_LMAC_TOP BN1 (WF_LPON) */
+		{ 0x820fc000, 0xa4600, 0x0200 }, /* WF_LMAC_TOP BN1 (WF_INT) */
+		{ 0x820fd000, 0xa4800, 0x0800 }, /* WF_LMAC_TOP BN1 (WF_MIB) */
+	};
+	int i;
+
+	if (addr < 0x100000)
+		return addr;
+
+	for (i = 0; i < ARRAY_SIZE(fixed_map); i++) {
+		u32 ofs;
+
+		if (addr < fixed_map[i].phys)
+			continue;
+
+		ofs = addr - fixed_map[i].phys;
+		if (ofs > fixed_map[i].size)
+			continue;
+
+		return fixed_map[i].mapped + ofs;
+	}
+
+	if ((addr >= 0x18000000 && addr < 0x18c00000) ||
+	    (addr >= 0x70000000 && addr < 0x78000000) ||
+	    (addr >= 0x7c000000 && addr < 0x7c400000))
+		return mt7915_reg_map_l1(dev, addr);
+
+	return mt7915_reg_map_l2(dev, addr);
+}
+
+static u32 mt7915_rr(struct mt76_dev *mdev, u32 offset)
+{
+	struct mt7915_dev *dev = container_of(mdev, struct mt7915_dev, mt76);
+	u32 addr = __mt7915_reg_addr(dev, offset);
+
+	return dev->bus_ops->rr(mdev, addr);
+}
+
+static void mt7915_wr(struct mt76_dev *mdev, u32 offset, u32 val)
+{
+	struct mt7915_dev *dev = container_of(mdev, struct mt7915_dev, mt76);
+	u32 addr = __mt7915_reg_addr(dev, offset);
+
+	dev->bus_ops->wr(mdev, addr, val);
+}
+
+static u32 mt7915_rmw(struct mt76_dev *mdev, u32 offset, u32 mask, u32 val)
+{
+	struct mt7915_dev *dev = container_of(mdev, struct mt7915_dev, mt76);
+	u32 addr = __mt7915_reg_addr(dev, offset);
+
+	return dev->bus_ops->rmw(mdev, addr, mask, val);
+}
+
 int mt7915_dma_init(struct mt7915_dev *dev)
 {
 	/* Increase buffer size to receive large VHT/HE MPDUs */
+	struct mt76_bus_ops *bus_ops;
 	int rx_buf_size = MT_RX_BUF_SIZE * 2;
 	int ret;
 
+	dev->bus_ops = dev->mt76.bus;
+	bus_ops = devm_kmemdup(dev->mt76.dev, dev->bus_ops, sizeof(*bus_ops),
+			       GFP_KERNEL);
+	if (!bus_ops)
+		return -ENOMEM;
+
+	bus_ops->rr = mt7915_rr;
+	bus_ops->wr = mt7915_wr;
+	bus_ops->rmw = mt7915_rmw;
+	dev->mt76.bus = bus_ops;
+
 	mt76_dma_attach(&dev->mt76);
 
 	/* configure global setting */
@@ -168,22 +262,19 @@ int mt7915_dma_init(struct mt7915_dev *dev)
 		return ret;
 
 	/* command to WM */
-	ret = mt7915_init_mcu_queue(dev, &dev->mt76.q_tx[MT_TXQ_MCU],
-				    MT7915_TXQ_MCU_WM,
+	ret = mt7915_init_mcu_queue(dev, MT_TXQ_MCU, MT7915_TXQ_MCU_WM,
 				    MT7915_TX_MCU_RING_SIZE);
 	if (ret)
 		return ret;
 
 	/* command to WA */
-	ret = mt7915_init_mcu_queue(dev, &dev->mt76.q_tx[MT_TXQ_MCU_WA],
-				    MT7915_TXQ_MCU_WA,
+	ret = mt7915_init_mcu_queue(dev, MT_TXQ_MCU_WA, MT7915_TXQ_MCU_WA,
 				    MT7915_TX_MCU_RING_SIZE);
 	if (ret)
 		return ret;
 
 	/* firmware download */
-	ret = mt7915_init_mcu_queue(dev, &dev->mt76.q_tx[MT_TXQ_FWDL],
-				    MT7915_TXQ_FWDL,
+	ret = mt7915_init_mcu_queue(dev, MT_TXQ_FWDL, MT7915_TXQ_FWDL,
 				    MT7915_TX_FWDL_RING_SIZE);
 	if (ret)
 		return ret;
@@ -248,7 +339,7 @@ int mt7915_dma_init(struct mt7915_dev *dev)
 		 MT_WFDMA1_GLO_CFG_TX_DMA_EN | MT_WFDMA1_GLO_CFG_RX_DMA_EN);
 
 	/* enable interrupts for TX/RX rings */
-	mt7915_irq_enable(dev, MT_INT_RX_DONE_ALL | MT_INT_TX_DONE_ALL |
+	mt7915_irq_enable(dev, MT_INT_RX_DONE_ALL | MT_INT_TX_DONE_MCU |
 			  MT_INT_MCU_CMD);
 
 	return 0;
@@ -281,6 +372,5 @@ void mt7915_dma_cleanup(struct mt7915_dev *dev)
 		 MT_WFDMA0_RST_DMASHDL_ALL_RST |
 		 MT_WFDMA0_RST_LOGIC_RST);
 
-	tasklet_kill(&dev->mt76.tx_tasklet);
 	mt76_dma_cleanup(&dev->mt76);
 }