Merge tag 'net-next-6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

Pull networking updates from Jakub Kicinski:
 "Core & protocols:

   - Wrap datapath globals into net_aligned_data, to avoid false sharing

   - Preserve MSG_ZEROCOPY in forwarding (e.g. out of a container)

   - Add SO_INQ and SCM_INQ support to AF_UNIX

   - Add SIOCINQ support to AF_VSOCK

   - Add TCP_MAXSEG sockopt to MPTCP

   - Add IPv6 force_forwarding sysctl to enable forwarding per interface

   - Make TCP validation of whether packet fully fits in the receive
     window and the rcv_buf more strict. With increased use of HW
     aggregation a single "packet" can be multiple 100s of kB

   - Add MSG_MORE flag to optimize large TCP transmissions via sockmap,
     improves latency up to 33% for sockmap users

   - Convert TCP send queue handling from tasklet to BH workque

   - Improve BPF iteration over TCP sockets to see each socket exactly
     once

   - Remove obsolete and unused TCP RFC3517/RFC6675 loss recovery code

   - Support enabling kernel threads for NAPI processing on per-NAPI
     instance basis rather than a whole device. Fully stop the kernel
     NAPI thread when threaded NAPI gets disabled. Previously thread
     would stick around until ifdown due to tricky synchronization

   - Allow multicast routing to take effect on locally-generated packets

   - Add output interface argument for End.X in segment routing

   - MCTP: add support for gateway routing, improve bind() handling

   - Don't require rtnl_lock when fetching an IPv6 neighbor over Netlink

   - Add a new neighbor flag ("extern_valid"), which cedes refresh
     responsibilities to userspace. This is needed for EVPN multi-homing
     where a neighbor entry for a multi-homed host needs to be synced
     across all the VTEPs among which the host is multi-homed

   - Support NUD_PERMANENT for proxy neighbor entries

   - Add a new queuing discipline for IETF RFC9332 DualQ Coupled AQM

   - Add sequence numbers to netconsole messages. Unregister
     netconsole's console when all net targets are removed. Code
     refactoring. Add a number of selftests

   - Align IPSec inbound SA lookup to RFC 4301. Only SPI and protocol
     should be used for an inbound SA lookup

   - Support inspecting ref_tracker state via DebugFS

   - Don't force bonding advertisement frames tx to ~333 ms boundaries.
     Add broadcast_neighbor option to send ARP/ND on all bonded links

   - Allow providing upcall pid for the 'execute' command in openvswitch

   - Remove DCCP support from Netfilter's conntrack

   - Disallow multiple packet duplications in the queuing layer

   - Prevent use of deprecated iptables code on PREEMPT_RT

  Driver API:

   - Support RSS and hashing configuration over ethtool Netlink

   - Add dedicated ethtool callbacks for getting and setting hashing
     fields

   - Add support for power budget evaluation strategy in PSE /
     Power-over-Ethernet. Generate Netlink events for overcurrent etc

   - Support DPLL phase offset monitoring across all device inputs.
     Support providing clock reference and SYNC over separate DPLL
     inputs

   - Support traffic classes in devlink rate API for bandwidth
     management

   - Remove rtnl_lock dependency from UDP tunnel port configuration

  Device drivers:

   - Add a new Broadcom driver for 800G Ethernet (bnge)

   - Add a standalone driver for Microchip ZL3073x DPLL

   - Remove IBM's NETIUCV device driver

   - Ethernet high-speed NICs:
      - Broadcom (bnxt):
         - support zero-copy Tx of DMABUF memory
         - take page size into account for page pool recycling rings
      - Intel (100G, ice, idpf):
         - idpf: XDP and AF_XDP support preparations
         - idpf: add flow steering
         - add link_down_events statistic
         - clean up the TSPLL code
         - preparations for live VM migration
      - nVidia/Mellanox:
         - support zero-copy Rx/Tx interfaces (DMABUF and io_uring)
         - optimize context memory usage for matchers
         - expose serial numbers in devlink info
         - support PCIe congestion metrics
      - Meta (fbnic):
         - add 25G, 50G, and 100G link modes to phylink
         - support dumping FW logs
      - Marvell/Cavium:
         - support for CN20K generation of the Octeon chips
      - Amazon:
         - add HW clock (without timestamping, just hypervisor time access)

   - Ethernet virtual:
      - VirtIO net:
         - support segmentation of UDP-tunnel-encapsulated packets
      - Google (gve):
         - support packet timestamping and clock synchronization
      - Microsoft vNIC:
         - add handler for device-originated servicing events
         - allow dynamic MSI-X vector allocation
         - support Tx bandwidth clamping

   - Ethernet NICs consumer, and embedded:
      - AMD:
         - amd-xgbe: hardware timestamping and PTP clock support
      - Broadcom integrated MACs (bcmgenet, bcmasp):
         - use napi_complete_done() return value to support NAPI polling
         - add support for re-starting auto-negotiation
      - Broadcom switches (b53):
         - support BCM5325 switches
         - add bcm63xx EPHY power control
      - Synopsys (stmmac):
         - lots of code refactoring and cleanups
      - TI:
         - icssg-prueth: read firmware-names from device tree
         - icssg: PRP offload support
      - Microchip:
         - lan78xx: convert to PHYLINK for improved PHY and MAC management
         - ksz: add KSZ8463 switch support
      - Intel:
         - support similar queue priority scheme in multi-queue and
           time-sensitive networking (taprio)
         - support packet pre-emption in both
      - RealTek (r8169):
         - enable EEE at 5Gbps on RTL8126
      - Airoha:
         - add PPPoE offload support
         - MDIO bus controller for Airoha AN7583

   - Ethernet PHYs:
      - support for the IPQ5018 internal GE PHY
      - micrel KSZ9477 switch-integrated PHYs:
         - add MDI/MDI-X control support
         - add RX error counters
         - add cable test support
         - add Signal Quality Indicator (SQI) reporting
      - dp83tg720: improve reset handling and reduce link recovery time
      - support bcm54811 (and its MII-Lite interface type)
      - air_en8811h: support resume/suspend
      - support PHY counters for QCA807x and QCA808x
      - support WoL for QCA807x

   - CAN drivers:
      - rcar_canfd: support for Transceiver Delay Compensation
      - kvaser: report FW versions via devlink dev info

   - WiFi:
      - extended regulatory info support (6 GHz)
      - add statistics and beacon monitor for Multi-Link Operation (MLO)
      - support S1G aggregation, improve S1G support
      - add Radio Measurement action fields
      - support per-radio RTS threshold
      - some work around how FIPS affects wifi, which was wrong (RC4 is
        used by TKIP, not only WEP)
      - improvements for unsolicited probe response handling

   - WiFi drivers:
      - RealTek (rtw88):
         - IBSS mode for SDIO devices
      - RealTek (rtw89):
         - BT coexistence for MLO/WiFi7
         - concurrent station + P2P support
         - support for USB devices RTL8851BU/RTL8852BU
      - Intel (iwlwifi):
         - use embedded PNVM in (to be released) FW images to fix
           compatibility issues
         - many cleanups (unused FW APIs, PCIe code, WoWLAN)
         - some FIPS interoperability
      - MediaTek (mt76):
         - firmware recovery improvements
         - more MLO work
      - Qualcomm/Atheros (ath12k):
         - fix scan on multi-radio devices
         - more EHT/Wi-Fi 7 features
         - encapsulation/decapsulation offload
      - Broadcom (brcm80211):
         - support SDIO 43751 device

   - Bluetooth:
      - hci_event: add support for handling LE BIG Sync Lost event
      - ISO: add socket option to report packet seqnum via CMSG
      - ISO: support SCM_TIMESTAMPING for ISO TS

   - Bluetooth drivers:
      - intel_pcie: support Function Level Reset
      - nxpuart: add support for 4M baudrate
      - nxpuart: implement powerup sequence, reset, FW dump, and FW loading"

* tag 'net-next-6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1742 commits)
  dpll: zl3073x: Fix build failure
  selftests: bpf: fix legacy netfilter options
  ipv6: annotate data-races around rt->fib6_nsiblings
  ipv6: fix possible infinite loop in fib6_info_uses_dev()
  ipv6: prevent infinite loop in rt6_nlmsg_size()
  ipv6: add a retry logic in net6_rt_notify()
  vrf: Drop existing dst reference in vrf_ip6_input_dst
  net/sched: taprio: align entry index attr validation with mqprio
  net: fsl_pq_mdio: use dev_err_probe
  selftests: rtnetlink.sh: remove esp4_offload after test
  vsock: remove unnecessary null check in vsock_getname()
  igb: xsk: solve negative overflow of nb_pkts in zerocopy mode
  stmmac: xsk: fix negative overflow of budget in zerocopy mode
  dt-bindings: ieee802154: Convert at86rf230.txt yaml format
  net: dsa: microchip: Disable PTP function of KSZ8463
  net: dsa: microchip: Setup fiber ports for KSZ8463
  net: dsa: microchip: Write switch MAC address differently for KSZ8463
  net: dsa: microchip: Use different registers for KSZ8463
  net: dsa: microchip: Add KSZ8463 switch support to KSZ DSA driver
  dt-bindings: net: dsa: microchip: Add KSZ8463 switch support
  ...

1 files changed, 83 insertions, 27 deletions

diff --git a/drivers/pci/controller/pci-hyperv.c b/drivers/pci/controller/pci-hyperv.c
index 13680363ff19..d2b7e8ea710b 100644
--- a/drivers/pci/controller/pci-hyperv.c
+++ b/drivers/pci/controller/pci-hyperv.c
@@ -44,6 +44,7 @@
 #include <linux/delay.h>
 #include <linux/semaphore.h>
 #include <linux/irq.h>
+#include <linux/irqchip/irq-msi-lib.h>
 #include <linux/msi.h>
 #include <linux/hyperv.h>
 #include <linux/refcount.h>
@@ -508,7 +509,6 @@ struct hv_pcibus_device {
 	struct list_head children;
 	struct list_head dr_list;
 
-	struct msi_domain_info msi_info;
 	struct irq_domain *irq_domain;
 
 	struct workqueue_struct *wq;
@@ -576,9 +576,8 @@ struct hv_pci_compl {
 static void hv_pci_onchannelcallback(void *context);
 
 #ifdef CONFIG_X86
-#define DELIVERY_MODE	APIC_DELIVERY_MODE_FIXED
-#define FLOW_HANDLER	handle_edge_irq
-#define FLOW_NAME	"edge"
+#define DELIVERY_MODE		APIC_DELIVERY_MODE_FIXED
+#define HV_MSI_CHIP_FLAGS	MSI_CHIP_FLAG_SET_ACK
 
 static int hv_pci_irqchip_init(void)
 {
@@ -737,8 +736,7 @@ static void hv_arch_irq_unmask(struct irq_data *data)
 #define HV_PCI_MSI_SPI_START	64
 #define HV_PCI_MSI_SPI_NR	(1020 - HV_PCI_MSI_SPI_START)
 #define DELIVERY_MODE		0
-#define FLOW_HANDLER		NULL
-#define FLOW_NAME		NULL
+#define HV_MSI_CHIP_FLAGS	MSI_CHIP_FLAG_SET_EOI
 #define hv_msi_prepare		NULL
 
 struct hv_pci_chip_data {
@@ -1701,7 +1699,7 @@ static void hv_msi_free(struct irq_domain *domain, struct msi_domain_info *info,
 	struct msi_desc *msi = irq_data_get_msi_desc(irq_data);
 
 	pdev = msi_desc_to_pci_dev(msi);
-	hbus = info->data;
+	hbus = domain->host_data;
 	int_desc = irq_data_get_irq_chip_data(irq_data);
 	if (!int_desc)
 		return;
@@ -1719,7 +1717,6 @@ static void hv_msi_free(struct irq_domain *domain, struct msi_domain_info *info,
 
 static void hv_irq_mask(struct irq_data *data)
 {
-	pci_msi_mask_irq(data);
 	if (data->parent_data->chip->irq_mask)
 		irq_chip_mask_parent(data);
 }
@@ -1730,7 +1727,6 @@ static void hv_irq_unmask(struct irq_data *data)
 
 	if (data->parent_data->chip->irq_unmask)
 		irq_chip_unmask_parent(data);
-	pci_msi_unmask_irq(data);
 }
 
 struct compose_comp_ctxt {
@@ -2115,24 +2111,87 @@ return_null_message:
 	msg->data = 0;
 }
 
+static bool hv_pcie_init_dev_msi_info(struct device *dev, struct irq_domain *domain,
+				      struct irq_domain *real_parent, struct msi_domain_info *info)
+{
+	struct irq_chip *chip = info->chip;
+
+	if (!msi_lib_init_dev_msi_info(dev, domain, real_parent, info))
+		return false;
+
+	info->ops->msi_prepare = hv_msi_prepare;
+
+	chip->irq_set_affinity = irq_chip_set_affinity_parent;
+
+	if (IS_ENABLED(CONFIG_X86))
+		chip->flags |= IRQCHIP_MOVE_DEFERRED;
+
+	return true;
+}
+
+#define HV_PCIE_MSI_FLAGS_REQUIRED (MSI_FLAG_USE_DEF_DOM_OPS		| \
+				    MSI_FLAG_USE_DEF_CHIP_OPS		| \
+				    MSI_FLAG_PCI_MSI_MASK_PARENT)
+#define HV_PCIE_MSI_FLAGS_SUPPORTED (MSI_FLAG_MULTI_PCI_MSI		| \
+				     MSI_FLAG_PCI_MSIX			| \
+				     MSI_FLAG_PCI_MSIX_ALLOC_DYN	| \
+				     MSI_GENERIC_FLAGS_MASK)
+
+static const struct msi_parent_ops hv_pcie_msi_parent_ops = {
+	.required_flags		= HV_PCIE_MSI_FLAGS_REQUIRED,
+	.supported_flags	= HV_PCIE_MSI_FLAGS_SUPPORTED,
+	.bus_select_token	= DOMAIN_BUS_PCI_MSI,
+	.chip_flags		= HV_MSI_CHIP_FLAGS,
+	.prefix			= "HV-",
+	.init_dev_msi_info	= hv_pcie_init_dev_msi_info,
+};
+
 /* HW Interrupt Chip Descriptor */
 static struct irq_chip hv_msi_irq_chip = {
 	.name			= "Hyper-V PCIe MSI",
 	.irq_compose_msi_msg	= hv_compose_msi_msg,
 	.irq_set_affinity	= irq_chip_set_affinity_parent,
-#ifdef CONFIG_X86
 	.irq_ack		= irq_chip_ack_parent,
-	.flags			= IRQCHIP_MOVE_DEFERRED,
-#elif defined(CONFIG_ARM64)
 	.irq_eoi		= irq_chip_eoi_parent,
-#endif
 	.irq_mask		= hv_irq_mask,
 	.irq_unmask		= hv_irq_unmask,
 };
 
-static struct msi_domain_ops hv_msi_ops = {
-	.msi_prepare	= hv_msi_prepare,
-	.msi_free	= hv_msi_free,
+static int hv_pcie_domain_alloc(struct irq_domain *d, unsigned int virq, unsigned int nr_irqs,
+			       void *arg)
+{
+	/*
+	 * TODO: Allocating and populating struct tran_int_desc in hv_compose_msi_msg()
+	 * should be moved here.
+	 */
+	int ret;
+
+	ret = irq_domain_alloc_irqs_parent(d, virq, nr_irqs, arg);
+	if (ret < 0)
+		return ret;
+
+	for (int i = 0; i < nr_irqs; i++) {
+		irq_domain_set_hwirq_and_chip(d, virq + i, 0, &hv_msi_irq_chip, NULL);
+		if (IS_ENABLED(CONFIG_X86))
+			__irq_set_handler(virq + i, handle_edge_irq, 0, "edge");
+	}
+
+	return 0;
+}
+
+static void hv_pcie_domain_free(struct irq_domain *d, unsigned int virq, unsigned int nr_irqs)
+{
+	struct msi_domain_info *info = d->host_data;
+
+	for (int i = 0; i < nr_irqs; i++)
+		hv_msi_free(d, info, virq + i);
+
+	irq_domain_free_irqs_top(d, virq, nr_irqs);
+}
+
+static const struct irq_domain_ops hv_pcie_domain_ops = {
+	.alloc	= hv_pcie_domain_alloc,
+	.free	= hv_pcie_domain_free,
 };
 
 /**
@@ -2150,17 +2209,14 @@ static struct msi_domain_ops hv_msi_ops = {
  */
 static int hv_pcie_init_irq_domain(struct hv_pcibus_device *hbus)
 {
-	hbus->msi_info.chip = &hv_msi_irq_chip;
-	hbus->msi_info.ops = &hv_msi_ops;
-	hbus->msi_info.flags = (MSI_FLAG_USE_DEF_DOM_OPS |
-		MSI_FLAG_USE_DEF_CHIP_OPS | MSI_FLAG_MULTI_PCI_MSI |
-		MSI_FLAG_PCI_MSIX);
-	hbus->msi_info.handler = FLOW_HANDLER;
-	hbus->msi_info.handler_name = FLOW_NAME;
-	hbus->msi_info.data = hbus;
-	hbus->irq_domain = pci_msi_create_irq_domain(hbus->fwnode,
-						     &hbus->msi_info,
-						     hv_pci_get_root_domain());
+	struct irq_domain_info info = {
+		.fwnode		= hbus->fwnode,
+		.ops		= &hv_pcie_domain_ops,
+		.host_data	= hbus,
+		.parent		= hv_pci_get_root_domain(),
+	};
+
+	hbus->irq_domain = msi_create_parent_irq_domain(&info, &hv_pcie_msi_parent_ops);
 	if (!hbus->irq_domain) {
 		dev_err(&hbus->hdev->device,
 			"Failed to build an MSI IRQ domain\n");