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

Pull networking updates from David Miller:

 1) Support 6Ghz band in ath11k driver, from Rajkumar Manoharan.

 2) Support UDP segmentation in code TSO code, from Eric Dumazet.

 3) Allow flashing different flash images in cxgb4 driver, from Vishal
    Kulkarni.

 4) Add drop frames counter and flow status to tc flower offloading,
    from Po Liu.

 5) Support n-tuple filters in cxgb4, from Vishal Kulkarni.

 6) Various new indirect call avoidance, from Eric Dumazet and Brian
    Vazquez.

 7) Fix BPF verifier failures on 32-bit pointer arithmetic, from
    Yonghong Song.

 8) Support querying and setting hardware address of a port function via
    devlink, use this in mlx5, from Parav Pandit.

 9) Support hw ipsec offload on bonding slaves, from Jarod Wilson.

10) Switch qca8k driver over to phylink, from Jonathan McDowell.

11) In bpftool, show list of processes holding BPF FD references to
    maps, programs, links, and btf objects. From Andrii Nakryiko.

12) Several conversions over to generic power management, from Vaibhav
    Gupta.

13) Add support for SO_KEEPALIVE et al. to bpf_setsockopt(), from Dmitry
    Yakunin.

14) Various https url conversions, from Alexander A. Klimov.

15) Timestamping and PHC support for mscc PHY driver, from Antoine
    Tenart.

16) Support bpf iterating over tcp and udp sockets, from Yonghong Song.

17) Support 5GBASE-T i40e NICs, from Aleksandr Loktionov.

18) Add kTLS RX HW offload support to mlx5e, from Tariq Toukan.

19) Fix the ->ndo_start_xmit() return type to be netdev_tx_t in several
    drivers. From Luc Van Oostenryck.

20) XDP support for xen-netfront, from Denis Kirjanov.

21) Support receive buffer autotuning in MPTCP, from Florian Westphal.

22) Support EF100 chip in sfc driver, from Edward Cree.

23) Add XDP support to mvpp2 driver, from Matteo Croce.

24) Support MPTCP in sock_diag, from Paolo Abeni.

25) Commonize UDP tunnel offloading code by creating udp_tunnel_nic
    infrastructure, from Jakub Kicinski.

26) Several pci_ --> dma_ API conversions, from Christophe JAILLET.

27) Add FLOW_ACTION_POLICE support to mlxsw, from Ido Schimmel.

28) Add SK_LOOKUP bpf program type, from Jakub Sitnicki.

29) Refactor a lot of networking socket option handling code in order to
    avoid set_fs() calls, from Christoph Hellwig.

30) Add rfc4884 support to icmp code, from Willem de Bruijn.

31) Support TBF offload in dpaa2-eth driver, from Ioana Ciornei.

32) Support XDP_REDIRECT in qede driver, from Alexander Lobakin.

33) Support PCI relaxed ordering in mlx5 driver, from Aya Levin.

34) Support TCP syncookies in MPTCP, from Flowian Westphal.

35) Fix several tricky cases of PMTU handling wrt. briding, from Stefano
    Brivio.

* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (2056 commits)
  net: thunderx: initialize VF's mailbox mutex before first usage
  usb: hso: remove bogus check for EINPROGRESS
  usb: hso: no complaint about kmalloc failure
  hso: fix bailout in error case of probe
  ip_tunnel_core: Fix build for archs without _HAVE_ARCH_IPV6_CSUM
  selftests/net: relax cpu affinity requirement in msg_zerocopy test
  mptcp: be careful on subflow creation
  selftests: rtnetlink: make kci_test_encap() return sub-test result
  selftests: rtnetlink: correct the final return value for the test
  net: dsa: sja1105: use detected device id instead of DT one on mismatch
  tipc: set ub->ifindex for local ipv6 address
  ipv6: add ipv6_dev_find()
  net: openvswitch: silence suspicious RCU usage warning
  Revert "vxlan: fix tos value before xmit"
  ptp: only allow phase values lower than 1 period
  farsync: switch from 'pci_' to 'dma_' API
  wan: wanxl: switch from 'pci_' to 'dma_' API
  hv_netvsc: do not use VF device if link is down
  dpaa2-eth: Fix passing zero to 'PTR_ERR' warning
  net: macb: Properly handle phylink on at91sam9x
  ...

1 files changed, 165 insertions, 0 deletions

diff --git a/include/linux/pldmfw.h b/include/linux/pldmfw.h
new file mode 100644
index 000000000000..0fc831338226
--- /dev/null
+++ b/include/linux/pldmfw.h
@@ -0,0 +1,165 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (C) 2018-2019, Intel Corporation. */
+
+#ifndef _PLDMFW_H_
+#define _PLDMFW_H_
+
+#include <linux/list.h>
+#include <linux/firmware.h>
+
+#define PLDM_DEVICE_UPDATE_CONTINUE_AFTER_FAIL BIT(0)
+
+#define PLDM_STRING_TYPE_UNKNOWN	0
+#define PLDM_STRING_TYPE_ASCII		1
+#define PLDM_STRING_TYPE_UTF8		2
+#define PLDM_STRING_TYPE_UTF16		3
+#define PLDM_STRING_TYPE_UTF16LE	4
+#define PLDM_STRING_TYPE_UTF16BE	5
+
+struct pldmfw_record {
+	struct list_head entry;
+
+	/* List of descriptor TLVs */
+	struct list_head descs;
+
+	/* Component Set version string*/
+	const u8 *version_string;
+	u8 version_type;
+	u8 version_len;
+
+	/* Package Data length */
+	u16 package_data_len;
+
+	/* Bitfield of Device Update Flags */
+	u32 device_update_flags;
+
+	/* Package Data block */
+	const u8 *package_data;
+
+	/* Bitmap of components applicable to this record */
+	unsigned long *component_bitmap;
+	u16 component_bitmap_len;
+};
+
+/* Standard descriptor TLV identifiers */
+#define PLDM_DESC_ID_PCI_VENDOR_ID	0x0000
+#define PLDM_DESC_ID_IANA_ENTERPRISE_ID	0x0001
+#define PLDM_DESC_ID_UUID		0x0002
+#define PLDM_DESC_ID_PNP_VENDOR_ID	0x0003
+#define PLDM_DESC_ID_ACPI_VENDOR_ID	0x0004
+#define PLDM_DESC_ID_PCI_DEVICE_ID	0x0100
+#define PLDM_DESC_ID_PCI_SUBVENDOR_ID	0x0101
+#define PLDM_DESC_ID_PCI_SUBDEV_ID	0x0102
+#define PLDM_DESC_ID_PCI_REVISION_ID	0x0103
+#define PLDM_DESC_ID_PNP_PRODUCT_ID	0x0104
+#define PLDM_DESC_ID_ACPI_PRODUCT_ID	0x0105
+#define PLDM_DESC_ID_VENDOR_DEFINED	0xFFFF
+
+struct pldmfw_desc_tlv {
+	struct list_head entry;
+
+	const u8 *data;
+	u16 type;
+	u16 size;
+};
+
+#define PLDM_CLASSIFICATION_UNKNOWN		0x0000
+#define PLDM_CLASSIFICATION_OTHER		0x0001
+#define PLDM_CLASSIFICATION_DRIVER		0x0002
+#define PLDM_CLASSIFICATION_CONFIG_SW		0x0003
+#define PLDM_CLASSIFICATION_APP_SW		0x0004
+#define PLDM_CLASSIFICATION_INSTRUMENTATION	0x0005
+#define PLDM_CLASSIFICATION_BIOS		0x0006
+#define PLDM_CLASSIFICATION_DIAGNOSTIC_SW	0x0007
+#define PLDM_CLASSIFICATION_OS			0x0008
+#define PLDM_CLASSIFICATION_MIDDLEWARE		0x0009
+#define PLDM_CLASSIFICATION_FIRMWARE		0x000A
+#define PLDM_CLASSIFICATION_CODE		0x000B
+#define PLDM_CLASSIFICATION_SERVICE_PACK	0x000C
+#define PLDM_CLASSIFICATION_SOFTWARE_BUNDLE	0x000D
+
+#define PLDM_ACTIVATION_METHOD_AUTO		BIT(0)
+#define PLDM_ACTIVATION_METHOD_SELF_CONTAINED	BIT(1)
+#define PLDM_ACTIVATION_METHOD_MEDIUM_SPECIFIC	BIT(2)
+#define PLDM_ACTIVATION_METHOD_REBOOT		BIT(3)
+#define PLDM_ACTIVATION_METHOD_DC_CYCLE		BIT(4)
+#define PLDM_ACTIVATION_METHOD_AC_CYCLE		BIT(5)
+
+#define PLDMFW_COMPONENT_OPTION_FORCE_UPDATE		BIT(0)
+#define PLDMFW_COMPONENT_OPTION_USE_COMPARISON_STAMP	BIT(1)
+
+struct pldmfw_component {
+	struct list_head entry;
+
+	/* component identifier */
+	u16 classification;
+	u16 identifier;
+
+	u16 options;
+	u16 activation_method;
+
+	u32 comparison_stamp;
+
+	u32 component_size;
+	const u8 *component_data;
+
+	/* Component version string */
+	const u8 *version_string;
+	u8 version_type;
+	u8 version_len;
+
+	/* component index */
+	u8 index;
+
+};
+
+/* Transfer flag used for sending components to the firmware */
+#define PLDM_TRANSFER_FLAG_START		BIT(0)
+#define PLDM_TRANSFER_FLAG_MIDDLE		BIT(1)
+#define PLDM_TRANSFER_FLAG_END			BIT(2)
+
+struct pldmfw_ops;
+
+/* Main entry point to the PLDM firmware update engine. Device drivers
+ * should embed this in a private structure and use container_of to obtain
+ * a pointer to their own data, used to implement the device specific
+ * operations.
+ */
+struct pldmfw {
+	const struct pldmfw_ops *ops;
+	struct device *dev;
+};
+
+bool pldmfw_op_pci_match_record(struct pldmfw *context, struct pldmfw_record *record);
+
+/* Operations invoked by the generic PLDM firmware update engine. Used to
+ * implement device specific logic.
+ *
+ * @match_record: check if the device matches the given record. For
+ * convenience, a standard implementation is provided for PCI devices.
+ *
+ * @send_package_data: send the package data associated with the matching
+ * record to firmware.
+ *
+ * @send_component_table: send the component data associated with a given
+ * component to firmware. Called once for each applicable component.
+ *
+ * @flash_component: Flash the data for a given component to the device.
+ * Called once for each applicable component, after all component tables have
+ * been sent.
+ *
+ * @finalize_update: (optional) Finish the update. Called after all components
+ * have been flashed.
+ */
+struct pldmfw_ops {
+	bool (*match_record)(struct pldmfw *context, struct pldmfw_record *record);
+	int (*send_package_data)(struct pldmfw *context, const u8 *data, u16 length);
+	int (*send_component_table)(struct pldmfw *context, struct pldmfw_component *component,
+				    u8 transfer_flag);
+	int (*flash_component)(struct pldmfw *context, struct pldmfw_component *component);
+	int (*finalize_update)(struct pldmfw *context);
+};
+
+int pldmfw_flash_image(struct pldmfw *context, const struct firmware *fw);
+
+#endif