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19308
Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
 Jakub Kicinski
|
6d5431555d |
caif: remove CAIF NETWORK LAYER
Remove CAIF (Communication CPU to Application CPU Interface), the ST-Ericsson modem protocol. The subsystem has been orphaned since 2013. The last meaningful changes from the maintainers were in March 2013: |
||
 Eric Dumazet
|
5154561d9b |
net/sched: sch_pie: annotate data-races in pie_dump_stats()
pie_dump_stats() only runs with RTNL held,
reading fields that can be changed in qdisc fast path.
Add READ_ONCE()/WRITE_ONCE() annotations.
Alternative would be to acquire the qdisc spinlock, but our long-term
goal is to make qdisc dump operations lockless as much as we can.
tc_pie_xstats fields don't need to be latched atomically,
otherwise this bug would have been caught earlier.
Fixes:
|
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 Pablo Neira Ayuso
|
10f79dbd77 |
netfilter: nf_tables: add hook transactions for device deletions
Restore the flag that indicates that the hook is going away, ie. NFT_HOOK_REMOVE, but add a new transaction object to track deletion of hooks without altering the basechain/flowtable hook_list during the preparation phase. The existing approach that moves the hook from the basechain/flowtable hook_list to transaction hook_list breaks netlink dump path readers of this RCU-protected list. It should be possible use an array for nft_trans_hook to store the deleted hooks to compact the representation but I am not expecting many hook object, specially now that wildcard support for devices is in place. Note that the nft_trans_chain_hooks() list contains a list of struct nft_trans_hook objects for DELCHAIN and DELFLOWTABLE commands, while this list stores struct nft_hook objects for NEWCHAIN and NEWFLOWTABLE. Note that new commands can be updated to use nft_trans_hook for consistency. This patch also adapts the event notification path to deal with the list of hook transactions. Fixes: |
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 Yuan Zhaoming
|
a663bac71a |
net: mctp: fix don't require received header reserved bits to be zero
From the MCTP Base specification (DSP0236 v1.2.1), the first byte of
the MCTP header contains a 4 bit reserved field, and 4 bit version.
On our current receive path, we require those 4 reserved bits to be
zero, but the 9500-8i card is non-conformant, and may set these
reserved bits.
DSP0236 states that the reserved bits must be written as zero, and
ignored when read. While the device might not conform to the former,
we should accept these message to conform to the latter.
Relax our check on the MCTP version byte to allow non-zero bits in the
reserved field.
Fixes:
|
||
 Linus Torvalds
|
4b0b946019 |
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull rdma updates from Jason Gunthorpe:
"The usual collection of driver changes, more core infrastructure
updates that typical this cycle:
- Minor cleanups and kernel-doc fixes in bnxt_re, hns, rdmavt, efa,
ocrdma, erdma, rtrs, hfi1, ionic, and pvrdma
- New udata validation framework and driver updates
- Modernize CQ creation interface in mlx4 and mlx5, manage CQ umem in
core
- Promote UMEM to a core component, split out DMA block iterator
logic
- Introduce FRMR pools with aging, statistics, pinned handles, and
netlink control and use it in mlx5
- Add PCIe TLP emulation support in mlx5
- Extend umem to work with revocable pinned dmabuf's and use it in
irdma
- More net namespace improvements for rxe
- GEN4 hardware support in irdma
- First steps to MW and UC support in mana_ib
- Support for CQ umem and doorbells in bnxt_re
- Drop opa_vnic driver from hfi1
Fixes:
- IB/core zero dmac neighbor resolution race
- GID table memory free
- rxe pad/ICRC validation and r_key async errors
- mlx4 external umem for CQ
- umem DMA attributes on unmap
- mana_ib RX steering on RSS QP destroy"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (116 commits)
RDMA/core: Fix user CQ creation for drivers without create_cq
RDMA/ionic: bound node_desc sysfs read with %.64s
IB/core: Fix zero dmac race in neighbor resolution
RDMA/mana_ib: Support memory windows
RDMA/rxe: Validate pad and ICRC before payload_size() in rxe_rcv
RDMA/core: Prefer NLA_NUL_STRING
RDMA/core: Fix memory free for GID table
RDMA/hns: Remove the duplicate calls to ib_copy_validate_udata_in()
RDMA: Remove redundant = {} for udata req structs
RDMA/irdma: Add missing comp_mask check in alloc_ucontext
RDMA/hns: Add missing comp_mask check in create_qp
RDMA/mlx5: Pull comp_mask validation into ib_copy_validate_udata_in_cm()
RDMA: Use ib_copy_validate_udata_in_cm() for zero comp_mask
RDMA/hns: Use ib_copy_validate_udata_in()
RDMA/mlx4: Use ib_copy_validate_udata_in() for QP
RDMA/mlx4: Use ib_copy_validate_udata_in()
RDMA/mlx5: Use ib_copy_validate_udata_in() for MW
RDMA/mlx5: Use ib_copy_validate_udata_in() for SRQ
RDMA/pvrdma: Use ib_copy_validate_udata_in() for srq
RDMA: Use ib_copy_validate_udata_in() for implicit full structs
...
|
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|
Eric Dumazet
|
faa886ad3c |
tcp: annotate data-races around tp->delivered and tp->delivered_ce
tcp_get_timestamping_opt_stats() intentionally runs lockless, we must
add READ_ONCE() and WRITE_ONCE() annotations to keep KCSAN happy.
Fixes:
|
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|
Eric Dumazet
|
829ba1f329 |
tcp: add data-races annotations around tp->reordering, tp->snd_cwnd
tcp_get_timestamping_opt_stats() intentionally runs lockless, we must
add READ_ONCE(), WRITE_ONCE() data_race() annotations to keep KCSAN happy.
Fixes:
|
||
|
Eric Dumazet
|
267bf3cf9a |
tcp: annotate data-races in tcp_get_info_chrono_stats()
tcp_get_timestamping_opt_stats() does not own the socket lock,
this is intentional.
It calls tcp_get_info_chrono_stats() while other threads could
change chrono fields in tcp_chrono_set().
I do not think we need coherent TCP socket state snapshot
in tcp_get_timestamping_opt_stats(), I chose to only
add annotations to keep KCSAN happy.
Fixes:
|
||
 Kit Dallege
|
890d56964c |
9p: document missing enum values in kernel-doc comments
Add kernel-doc entries for all undocumented enum values: - p9_debug_flags: P9_DEBUG_CACHE, P9_DEBUG_MMAP - p9_msg_t: all 9P2000.L message types (TLOPEN/RLOPEN through TUNLINKAT/RUNLINKAT) - p9_open_mode_t: P9L_MODE_MASK, P9L_DIRECT, P9L_NOWRITECACHE, P9L_LOOSE Assisted-by: Claude:claude-opus-4-6 Signed-off-by: Kit Dallege <xaum.io@gmail.com> Reviewed-by: Christian Schoenebeck <linux_oss@crudebyte.com> Message-ID: <20260315190633.73536-1-xaum.io@gmail.com> Signed-off-by: Dominique Martinet <asmadeus@codewreck.org> |
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|
Linus Torvalds
|
334fbe734e |
Merge tag 'mm-stable-2026-04-13-21-45' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull MM updates from Andrew Morton: - "maple_tree: Replace big node with maple copy" (Liam Howlett) Mainly prepararatory work for ongoing development but it does reduce stack usage and is an improvement. - "mm, swap: swap table phase III: remove swap_map" (Kairui Song) Offers memory savings by removing the static swap_map. It also yields some CPU savings and implements several cleanups. - "mm: memfd_luo: preserve file seals" (Pratyush Yadav) File seal preservation to LUO's memfd code - "mm: zswap: add per-memcg stat for incompressible pages" (Jiayuan Chen) Additional userspace stats reportng to zswap - "arch, mm: consolidate empty_zero_page" (Mike Rapoport) Some cleanups for our handling of ZERO_PAGE() and zero_pfn - "mm/kmemleak: Improve scan_should_stop() implementation" (Zhongqiu Han) A robustness improvement and some cleanups in the kmemleak code - "Improve khugepaged scan logic" (Vernon Yang) Improve khugepaged scan logic and reduce CPU consumption by prioritizing scanning tasks that access memory frequently - "Make KHO Stateless" (Jason Miu) Simplify Kexec Handover by transitioning KHO from an xarray-based metadata tracking system with serialization to a radix tree data structure that can be passed directly to the next kernel - "mm: vmscan: add PID and cgroup ID to vmscan tracepoints" (Thomas Ballasi and Steven Rostedt) Enhance vmscan's tracepointing - "mm: arch/shstk: Common shadow stack mapping helper and VM_NOHUGEPAGE" (Catalin Marinas) Cleanup for the shadow stack code: remove per-arch code in favour of a generic implementation - "Fix KASAN support for KHO restored vmalloc regions" (Pasha Tatashin) Fix a WARN() which can be emitted the KHO restores a vmalloc area - "mm: Remove stray references to pagevec" (Tal Zussman) Several cleanups, mainly udpating references to "struct pagevec", which became folio_batch three years ago - "mm: Eliminate fake head pages from vmemmap optimization" (Kiryl Shutsemau) Simplify the HugeTLB vmemmap optimization (HVO) by changing how tail pages encode their relationship to the head page - "mm/damon/core: improve DAMOS quota efficiency for core layer filters" (SeongJae Park) Improve two problematic behaviors of DAMOS that makes it less efficient when core layer filters are used - "mm/damon: strictly respect min_nr_regions" (SeongJae Park) Improve DAMON usability by extending the treatment of the min_nr_regions user-settable parameter - "mm/page_alloc: pcp locking cleanup" (Vlastimil Babka) The proper fix for a previously hotfixed SMP=n issue. Code simplifications and cleanups ensued - "mm: cleanups around unmapping / zapping" (David Hildenbrand) A bunch of cleanups around unmapping and zapping. Mostly simplifications, code movements, documentation and renaming of zapping functions - "support batched checking of the young flag for MGLRU" (Baolin Wang) Batched checking of the young flag for MGLRU. It's part cleanups; one benchmark shows large performance benefits for arm64 - "memcg: obj stock and slab stat caching cleanups" (Johannes Weiner) memcg cleanup and robustness improvements - "Allow order zero pages in page reporting" (Yuvraj Sakshith) Enhance free page reporting - it is presently and undesirably order-0 pages when reporting free memory. - "mm: vma flag tweaks" (Lorenzo Stoakes) Cleanup work following from the recent conversion of the VMA flags to a bitmap - "mm/damon: add optional debugging-purpose sanity checks" (SeongJae Park) Add some more developer-facing debug checks into DAMON core - "mm/damon: test and document power-of-2 min_region_sz requirement" (SeongJae Park) An additional DAMON kunit test and makes some adjustments to the addr_unit parameter handling - "mm/damon/core: make passed_sample_intervals comparisons overflow-safe" (SeongJae Park) Fix a hard-to-hit time overflow issue in DAMON core - "mm/damon: improve/fixup/update ratio calculation, test and documentation" (SeongJae Park) A batch of misc/minor improvements and fixups for DAMON - "mm: move vma_(kernel|mmu)_pagesize() out of hugetlb.c" (David Hildenbrand) Fix a possible issue with dax-device when CONFIG_HUGETLB=n. Some code movement was required. - "zram: recompression cleanups and tweaks" (Sergey Senozhatsky) A somewhat random mix of fixups, recompression cleanups and improvements in the zram code - "mm/damon: support multiple goal-based quota tuning algorithms" (SeongJae Park) Extend DAMOS quotas goal auto-tuning to support multiple tuning algorithms that users can select - "mm: thp: reduce unnecessary start_stop_khugepaged()" (Breno Leitao) Fix the khugpaged sysfs handling so we no longer spam the logs with reams of junk when starting/stopping khugepaged - "mm: improve map count checks" (Lorenzo Stoakes) Provide some cleanups and slight fixes in the mremap, mmap and vma code - "mm/damon: support addr_unit on default monitoring targets for modules" (SeongJae Park) Extend the use of DAMON core's addr_unit tunable - "mm: khugepaged cleanups and mTHP prerequisites" (Nico Pache) Cleanups to khugepaged and is a base for Nico's planned khugepaged mTHP support - "mm: memory hot(un)plug and SPARSEMEM cleanups" (David Hildenbrand) Code movement and cleanups in the memhotplug and sparsemem code - "mm: remove CONFIG_ARCH_ENABLE_MEMORY_HOTREMOVE and cleanup CONFIG_MIGRATION" (David Hildenbrand) Rationalize some memhotplug Kconfig support - "change young flag check functions to return bool" (Baolin Wang) Cleanups to change all young flag check functions to return bool - "mm/damon/sysfs: fix memory leak and NULL dereference issues" (Josh Law and SeongJae Park) Fix a few potential DAMON bugs - "mm/vma: convert vm_flags_t to vma_flags_t in vma code" (Lorenzo Stoakes) Convert a lot of the existing use of the legacy vm_flags_t data type to the new vma_flags_t type which replaces it. Mainly in the vma code. - "mm: expand mmap_prepare functionality and usage" (Lorenzo Stoakes) Expand the mmap_prepare functionality, which is intended to replace the deprecated f_op->mmap hook which has been the source of bugs and security issues for some time. Cleanups, documentation, extension of mmap_prepare into filesystem drivers - "mm/huge_memory: refactor zap_huge_pmd()" (Lorenzo Stoakes) Simplify and clean up zap_huge_pmd(). Additional cleanups around vm_normal_folio_pmd() and the softleaf functionality are performed. * tag 'mm-stable-2026-04-13-21-45' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (369 commits) mm: fix deferred split queue races during migration mm/khugepaged: fix issue with tracking lock mm/huge_memory: add and use has_deposited_pgtable() mm/huge_memory: add and use normal_or_softleaf_folio_pmd() mm: add softleaf_is_valid_pmd_entry(), pmd_to_softleaf_folio() mm/huge_memory: separate out the folio part of zap_huge_pmd() mm/huge_memory: use mm instead of tlb->mm mm/huge_memory: remove unnecessary sanity checks mm/huge_memory: deduplicate zap deposited table call mm/huge_memory: remove unnecessary VM_BUG_ON_PAGE() mm/huge_memory: add a common exit path to zap_huge_pmd() mm/huge_memory: handle buggy PMD entry in zap_huge_pmd() mm/huge_memory: have zap_huge_pmd return a boolean, add kdoc mm/huge: avoid big else branch in zap_huge_pmd() mm/huge_memory: simplify vma_is_specal_huge() mm: on remap assert that input range within the proposed VMA mm: add mmap_action_map_kernel_pages[_full]() uio: replace deprecated mmap hook with mmap_prepare in uio_info drivers: hv: vmbus: replace deprecated mmap hook with mmap_prepare mm: allow handling of stacked mmap_prepare hooks in more drivers ... |
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|
Linus Torvalds
|
91a4855d6c |
Merge tag 'net-next-7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from Jakub Kicinski:
"Core & protocols:
- Support HW queue leasing, allowing containers to be granted access
to HW queues for zero-copy operations and AF_XDP
- Number of code moves to help the compiler with inlining. Avoid
output arguments for returning drop reason where possible
- Rework drop handling within qdiscs to include more metadata about
the reason and dropping qdisc in the tracepoints
- Remove the rtnl_lock use from IP Multicast Routing
- Pack size information into the Rx Flow Steering table pointer
itself. This allows making the table itself a flat array of u32s,
thus making the table allocation size a power of two
- Report TCP delayed ack timer information via socket diag
- Add ip_local_port_step_width sysctl to allow distributing the
randomly selected ports more evenly throughout the allowed space
- Add support for per-route tunsrc in IPv6 segment routing
- Start work of switching sockopt handling to iov_iter
- Improve dynamic recvbuf sizing in MPTCP, limit burstiness and avoid
buffer size drifting up
- Support MSG_EOR in MPTCP
- Add stp_mode attribute to the bridge driver for STP mode selection.
This addresses concerns about call_usermodehelper() usage
- Remove UDP-Lite support (as announced in 2023)
- Remove support for building IPv6 as a module. Remove the now
unnecessary function calling indirection
Cross-tree stuff:
- Move Michael MIC code from generic crypto into wireless, it's
considered insecure but some WiFi networks still need it
Netfilter:
- Switch nft_fib_ipv6 module to no longer need temporary dst_entry
object allocations by using fib6_lookup() + RCU.
Florian W reports this gets us ~13% higher packet rate
- Convert IPVS's global __ip_vs_mutex to per-net service_mutex and
switch the service tables to be per-net. Convert some code that
walks the service lists to use RCU instead of the service_mutex
- Add more opinionated input validation to lower security exposure
- Make IPVS hash tables to be per-netns and resizable
Wireless:
- Finished assoc frame encryption/EPPKE/802.1X-over-auth
- Radar detection improvements
- Add 6 GHz incumbent signal detection APIs
- Multi-link support for FILS, probe response templates and client
probing
- New APIs and mac80211 support for NAN (Neighbor Aware Networking,
aka Wi-Fi Aware) so less work must be in firmware
Driver API:
- Add numerical ID for devlink instances (to avoid having to create
fake bus/device pairs just to have an ID). Support shared devlink
instances which span multiple PFs
- Add standard counters for reporting pause storm events (implement
in mlx5 and fbnic)
- Add configuration API for completion writeback buffering (implement
in mana)
- Support driver-initiated change of RSS context sizes
- Support DPLL monitoring input frequency (implement in zl3073x)
- Support per-port resources in devlink (implement in mlx5)
Misc:
- Expand the YAML spec for Netfilter
Drivers
- Software:
- macvlan: support multicast rx for bridge ports with shared
source MAC address
- team: decouple receive and transmit enablement for IEEE 802.3ad
LACP "independent control"
- Ethernet high-speed NICs:
- nVidia/Mellanox:
- support high order pages in zero-copy mode (for payload
coalescing)
- support multiple packets in a page (for systems with 64kB
pages)
- Broadcom 25-400GE (bnxt):
- implement XDP RSS hash metadata extraction
- add software fallback for UDP GSO, lowering the IOMMU cost
- Broadcom 800GE (bnge):
- add link status and configuration handling
- add various HW and SW statistics
- Marvell/Cavium:
- NPC HW block support for cn20k
- Huawei (hinic3):
- add mailbox / control queue
- add rx VLAN offload
- add driver info and link management
- Ethernet NICs:
- Marvell/Aquantia:
- support reading SFP module info on some AQC100 cards
- Realtek PCI (r8169):
- add support for RTL8125cp
- Realtek USB (r8152):
- support for the RTL8157 5Gbit chip
- add 2500baseT EEE status/configuration support
- Ethernet NICs embedded and off-the-shelf IP:
- Synopsys (stmmac):
- cleanup and reorganize SerDes handling and PCS support
- cleanup descriptor handling and per-platform data
- cleanup and consolidate MDIO defines and handling
- shrink driver memory use for internal structures
- improve Tx IRQ coalescing
- improve TCP segmentation handling
- add support for Spacemit K3
- Cadence (macb):
- support PHYs that have inband autoneg disabled with GEM
- support IEEE 802.3az EEE
- rework usrio capabilities and handling
- AMD (xgbe):
- improve power management for S0i3
- improve TX resilience for link-down handling
- Virtual:
- Google cloud vNIC:
- support larger ring sizes in DQO-QPL mode
- improve HW-GRO handling
- support UDP GSO for DQO format
- PCIe NTB:
- support queue count configuration
- Ethernet PHYs:
- automatically disable PHY autonomous EEE if MAC is in charge
- Broadcom:
- add BCM84891/BCM84892 support
- Micrel:
- support for LAN9645X internal PHY
- Realtek:
- add RTL8224 pair order support
- support PHY LEDs on RTL8211F-VD
- support spread spectrum clocking (SSC)
- Maxlinear:
- add PHY-level statistics via ethtool
- Ethernet switches:
- Maxlinear (mxl862xx):
- support for bridge offloading
- support for VLANs
- support driver statistics
- Bluetooth:
- large number of fixes and new device IDs
- Mediatek:
- support MT6639 (MT7927)
- support MT7902 SDIO
- WiFi:
- Intel (iwlwifi):
- UNII-9 and continuing UHR work
- MediaTek (mt76):
- mt7996/mt7925 MLO fixes/improvements
- mt7996 NPU support (HW eth/wifi traffic offload)
- Qualcomm (ath12k):
- monitor mode support on IPQ5332
- basic hwmon temperature reporting
- support IPQ5424
- Realtek:
- add USB RX aggregation to improve performance
- add USB TX flow control by tracking in-flight URBs
- Cellular:
- IPA v5.2 support"
* tag 'net-next-7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1561 commits)
net: pse-pd: fix kernel-doc function name for pse_control_find_by_id()
wireguard: device: use exit_rtnl callback instead of manual rtnl_lock in pre_exit
wireguard: allowedips: remove redundant space
tools: ynl: add sample for wireguard
wireguard: allowedips: Use kfree_rcu() instead of call_rcu()
MAINTAINERS: Add netkit selftest files
selftests/net: Add additional test coverage in nk_qlease
selftests/net: Split netdevsim tests from HW tests in nk_qlease
tools/ynl: Make YnlFamily closeable as a context manager
net: airoha: Add missing PPE configurations in airoha_ppe_hw_init()
net: airoha: Fix VIP configuration for AN7583 SoC
net: caif: clear client service pointer on teardown
net: strparser: fix skb_head leak in strp_abort_strp()
net: usb: cdc-phonet: fix skb frags[] overflow in rx_complete()
selftests/bpf: add test for xdp_master_redirect with bond not up
net, bpf: fix null-ptr-deref in xdp_master_redirect() for down master
net: airoha: Remove PCE_MC_EN_MASK bit in REG_FE_PCE_CFG configuration
sctp: disable BH before calling udp_tunnel_xmit_skb()
sctp: fix missing encap_port propagation for GSO fragments
net: airoha: Rely on net_device pointer in ETS callbacks
...
|
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|
Jakub Kicinski
|
35c2c39832 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Merge in late fixes in preparation for the net-next PR. Conflicts: include/net/sch_generic.h |
||
|
Jakub Kicinski
|
e9dc62f25b |
Merge tag 'for-net-next-2026-04-13' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next
Luiz Augusto von Dentz says:
====================
bluetooth-next pull request for net-next:
core:
- hci_core: Rate limit the logging of invalid ISO handle
- hci_sync: make hci_cmd_sync_run_once return -EEXIST if exists
- hci_event: fix locking in hci_conn_request_evt() with HCI_PROTO_DEFER
- hci_event: fix potential UAF in SSP passkey handlers
- HCI: Avoid a couple -Wflex-array-member-not-at-end warnings
- L2CAP: CoC: Disconnect if received packet size exceeds MPS
- L2CAP: Add missing chan lock in l2cap_ecred_reconf_rsp
- L2CAP: Fix printing wrong information if SDU length exceeds MTU
- SCO: check for codecs->num_codecs == 1 before assigning to sco_pi(sk)->codec
drivers:
- btusb: MT7922: Add VID/PID 0489/e174
- btusb: Add Lite-On 04ca:3807 for MediaTek MT7921
- btusb: Add MT7927 IDs ASUS ROG Crosshair X870E Hero, Lenovo Legion Pro 7
16ARX9, Gigabyte Z790 AORUS MASTER X, MSI X870E Ace Max, TP-Link
Archer TBE550E, ASUS X870E / ProArt X870E-Creator.
- btusb: Add MT7902 IDs 13d3/3579, 13d3/3580, 13d3/3594, 13d3/3596, 0e8d/1ede
- btusb: Add MT7902 IDs 13d3/3579, 13d3/3580, 13d3/3594, 13d3/3596, 0e8d/1ede
- btusb: MediaTek MT7922: Add VID 0489 & PID e11d
- btintel: Add support for Scorpious Peak2 support
- btintel: Add support for Scorpious Peak2F support
- btintel_pcie: Add device id of Scorpius Peak2, Nova Lake-PCD-H
- btintel_pcie: Add device id of Scorpious2, Nova Lake-PCD-S
- btmtk: Add reset mechanism if downloading firmware failed
- btmtk: Add MT6639 (MT7927) Bluetooth support
- btmtk: fix ISO interface setup for single alt setting
- btmtk: add MT7902 SDIO support
- Bluetooth: btmtk: add MT7902 MCU support
- btbcm: Add entry for BCM4343A2 UART Bluetooth
- qca: enable pwrseq support for wcn39xx devices
- hci_qca: Fix BT not getting powered-off on rmmod
- hci_qca: disable power control for WCN7850 when bt_en is not defined
- hci_qca: Fix missing wakeup during SSR memdump handling
- hci_ldisc: Clear HCI_UART_PROTO_INIT on error
- mmc: sdio: add MediaTek MT7902 SDIO device ID
- hci_ll: Enable BROKEN_ENHANCED_SETUP_SYNC_CONN for WL183x
* tag 'for-net-next-2026-04-13' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next: (59 commits)
Bluetooth: hci_qca: Fix missing wakeup during SSR memdump handling
Bluetooth: btintel_pcie: use strscpy to copy plain strings
Bluetooth: hci_event: fix potential UAF in SSP passkey handlers
Bluetooth: hci.h: Avoid a couple -Wflex-array-member-not-at-end warnings
Bluetooth: SCO: check for codecs->num_codecs == 1 before assigning to sco_pi(sk)->codec
Bluetooth: btintel_pcie: Align shared DMA memory to 128 bytes
Bluetooth: l2cap: Add missing chan lock in l2cap_ecred_reconf_rsp
Bluetooth: hci_ll: Enable BROKEN_ENHANCED_SETUP_SYNC_CONN for WL183x
Bluetooth: btusb: MediaTek MT7922: Add VID 0489 & PID e11d
Bluetooth: btmtk: hide unused btmtk_mt6639_devs[] array
Bluetooth: btusb: Add MT7927 ID for ASUS X870E / ProArt X870E-Creator
Bluetooth: btusb: Add MT7927 ID for TP-Link Archer TBE550E
Bluetooth: btusb: Add MT7927 ID for MSI X870E Ace Max
Bluetooth: btusb: Add MT7927 ID for Gigabyte Z790 AORUS MASTER X
Bluetooth: btusb: Add MT7927 ID for Lenovo Legion Pro 7 16ARX9
Bluetooth: btusb: Add MT7927 ID for ASUS ROG Crosshair X870E Hero
Bluetooth: btmtk: fix ISO interface setup for single alt setting
Bluetooth: btmtk: Add MT6639 (MT7927) Bluetooth support
Bluetooth: fix locking in hci_conn_request_evt() with HCI_PROTO_DEFER
Bluetooth: btmtk: refactor endpoint lookup
...
====================
Link: https://patch.msgid.link/20260413132247.320961-1-luiz.dentz@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Linus Torvalds
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b7d74ea0fd |
Merge tag 'vfs-7.1-rc1.kino' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull vfs i_ino updates from Christian Brauner: "For historical reasons, the inode->i_ino field is an unsigned long, which means that it's 32 bits on 32 bit architectures. This has caused a number of filesystems to implement hacks to hash a 64-bit identifier into a 32-bit field, and deprives us of a universal identifier field for an inode. This changes the inode->i_ino field from an unsigned long to a u64. This shouldn't make any material difference on 64-bit hosts, but 32-bit hosts will see struct inode grow by at least 4 bytes. This could have effects on slabcache sizes and field alignment. The bulk of the changes are to format strings and tracepoints, since the kernel itself doesn't care that much about the i_ino field. The first patch changes some vfs function arguments, so check that one out carefully. With this change, we may be able to shrink some inode structures. For instance, struct nfs_inode has a fileid field that holds the 64-bit inode number. With this set of changes, that field could be eliminated. I'd rather leave that sort of cleanups for later just to keep this simple" * tag 'vfs-7.1-rc1.kino' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: nilfs2: fix 64-bit division operations in nilfs_bmap_find_target_in_group() EVM: add comment describing why ino field is still unsigned long vfs: remove externs from fs.h on functions modified by i_ino widening treewide: fix missed i_ino format specifier conversions ext4: fix signed format specifier in ext4_load_inode trace event treewide: change inode->i_ino from unsigned long to u64 nilfs2: widen trace event i_ino fields to u64 f2fs: widen trace event i_ino fields to u64 ext4: widen trace event i_ino fields to u64 zonefs: widen trace event i_ino fields to u64 hugetlbfs: widen trace event i_ino fields to u64 ext2: widen trace event i_ino fields to u64 cachefiles: widen trace event i_ino fields to u64 vfs: widen trace event i_ino fields to u64 net: change sock.sk_ino and sock_i_ino() to u64 audit: widen ino fields to u64 vfs: widen inode hash/lookup functions to u64 |
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Jakub Kicinski
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b025461303 |
tcp: update window_clamp when SO_RCVBUF is set
Commit under Fixes moved recomputing the window clamp to tcp_measure_rcv_mss() (when scaling_ratio changes). I suspect it missed the fact that we don't recompute the clamp when rcvbuf is set. Until scaling_ratio changes we are stuck with the old window clamp which may be based on the small initial buffer. scaling_ratio may never change. Inspired by Eric's recent commit |
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 Gustavo A. R. Silva
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a0cff16d0f |
Bluetooth: hci.h: Avoid a couple -Wflex-array-member-not-at-end warnings
-Wflex-array-member-not-at-end was introduced in GCC-14, and we are
getting ready to enable it, globally.
struct hci_std_codecs and struct hci_std_codecs_v2 are flexible
structures, this is structures that contain a flexible-array member
(__u8 codec[]; and struct hci_std_codec_v2 codec[];, correspondingly.)
Since struct hci_rp_read_local_supported_codecs and struct
hci_rp_read_local_supported_codecs_v2 are defined by hardware, we
create the new struct hci_std_codecs_hdr and struct hci_std_codecs_v2_hdr
types, and use them to replace the object types causing trouble in
struct hci_rp_read_local_supported_codecs and struct
hci_rp_read_local_supported_codecs_v2, namely struct hci_std_codecs
std_codecs; and struct hci_std_codecs_v2_hdr std_codecs;.
Also, once -fms-extensions is enabled, we can use transparent struct
members in both struct hci_std_codecs and struct hci_std_codecs_v2_hdr.
Notice that the newly created types does not contain the flex-array
member `codec`, which is the object causing the -Wfamnae warnings.
After these changes, the size of struct hci_rp_read_local_supported_codecs
and struct hci_rp_read_local_supported_codecs_v2, along with their
member's offsets remain the same, hence the memory layouts don't
change:
Before changes:
struct hci_rp_read_local_supported_codecs {
__u8 status; /* 0 1 */
struct hci_std_codecs std_codecs; /* 1 1 */
struct hci_vnd_codecs vnd_codecs; /* 2 1 */
/* size: 3, cachelines: 1, members: 3 */
/* last cacheline: 3 bytes */
} __attribute__((__packed__));
struct hci_rp_read_local_supported_codecs_v2 {
__u8 status; /* 0 1 */
struct hci_std_codecs_v2 std_codecs; /* 1 1 */
struct hci_vnd_codecs_v2 vendor_codecs; /* 2 1 */
/* size: 3, cachelines: 1, members: 3 */
/* last cacheline: 3 bytes */
} __attribute__((__packed__));
After changes:
struct hci_rp_read_local_supported_codecs {
__u8 status; /* 0 1 */
struct hci_std_codecs_hdr std_codecs; /* 1 1 */
struct hci_vnd_codecs vnd_codecs; /* 2 1 */
/* size: 3, cachelines: 1, members: 3 */
/* last cacheline: 3 bytes */
} __attribute__((__packed__));
struct hci_rp_read_local_supported_codecs_v2 {
__u8 status; /* 0 1 */
struct hci_std_codecs_v2_hdr std_codecs; /* 1 1 */
struct hci_vnd_codecs_v2 vendor_codecs; /* 2 1 */
/* size: 3, cachelines: 1, members: 3 */
/* last cacheline: 3 bytes */
} __attribute__((__packed__));
With these changes fix the following warnings:
include/net/bluetooth/hci.h:1490:31: warning: structure containing a flexible array member is not at the end of another structure [-Wflex-array-member-not-at-end]
include/net/bluetooth/hci.h:1525:34: warning: structure containing a flexible array member is not at the end of another structure [-Wflex-array-member-not-at-end]
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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Jakub Kicinski
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9336854a59 |
Merge branch 'net-reduce-sk_filter-and-friends-bloat'
Eric Dumazet says: ==================== net: reduce sk_filter() (and friends) bloat Some functions return an error by value, and a drop_reason by an output parameter. This extra parameter can force stack canaries. A drop_reason is enough and more efficient. This series reduces bloat by 678 bytes on x86_64: $ scripts/bloat-o-meter -t vmlinux.old vmlinux.final add/remove: 0/0 grow/shrink: 3/18 up/down: 79/-757 (-678) Function old new delta vsock_queue_rcv_skb 50 79 +29 ipmr_cache_report 1290 1315 +25 ip6mr_cache_report 1322 1347 +25 tcp_v6_rcv 3169 3167 -2 packet_rcv_spkt 329 327 -2 unix_dgram_sendmsg 1731 1726 -5 netlink_unicast 957 945 -12 netlink_dump 1372 1359 -13 sk_filter_trim_cap 889 858 -31 netlink_broadcast_filtered 1633 1595 -38 tcp_v4_rcv 3152 3111 -41 raw_rcv_skb 122 80 -42 ping_queue_rcv_skb 109 61 -48 ping_rcv 215 162 -53 rawv6_rcv_skb 278 224 -54 __sk_receive_skb 690 632 -58 raw_rcv 591 527 -64 udpv6_queue_rcv_one_skb 935 869 -66 udp_queue_rcv_one_skb 919 853 -66 tun_net_xmit 1146 1074 -72 sock_queue_rcv_skb_reason 166 76 -90 Total: Before=29722890, After=29722212, chg -0.00% Future conversions from sock_queue_rcv_skb() to sock_queue_rcv_skb_reason() can be done later. ==================== Link: https://patch.msgid.link/20260409145625.2306224-1-edumazet@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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Eric Dumazet
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fb37aea2a0 |
net: change sk_filter_trim_cap() to return a drop_reason by value
Current return value can be replaced with the drop_reason, reducing kernel bloat: $ scripts/bloat-o-meter -t vmlinux.old vmlinux.new add/remove: 0/2 grow/shrink: 1/11 up/down: 32/-603 (-571) Function old new delta tcp_v6_rcv 3135 3167 +32 unix_dgram_sendmsg 1731 1726 -5 netlink_unicast 957 945 -12 netlink_dump 1372 1359 -13 sk_filter_trim_cap 882 858 -24 tcp_v4_rcv 3143 3111 -32 __pfx_tcp_filter 32 - -32 netlink_broadcast_filtered 1633 1595 -38 sock_queue_rcv_skb_reason 126 76 -50 tun_net_xmit 1127 1074 -53 __sk_receive_skb 690 632 -58 udpv6_queue_rcv_one_skb 935 869 -66 udp_queue_rcv_one_skb 919 853 -66 tcp_filter 154 - -154 Total: Before=29722783, After=29722212, chg -0.00% Signed-off-by: Eric Dumazet <edumazet@google.com> Link: https://patch.msgid.link/20260409145625.2306224-6-edumazet@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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Eric Dumazet
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97449a5f1a |
tcp: change tcp_filter() to return the reason by value
sk_filter_trim_cap() will soon return the reason by value, do the same for tcp_filter(). Note: tcp_filter() is no longer inlined. Following patch will inline it again. $ scripts/bloat-o-meter -t vmlinux.4 vmlinux.5 add/remove: 2/0 grow/shrink: 0/2 up/down: 186/-43 (143) Function old new delta tcp_filter - 154 +154 __pfx_tcp_filter - 32 +32 tcp_v4_rcv 3152 3143 -9 tcp_v6_rcv 3169 3135 -34 Total: Before=29722640, After=29722783, chg +0.00% Signed-off-by: Eric Dumazet <edumazet@google.com> Link: https://patch.msgid.link/20260409145625.2306224-5-edumazet@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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Eric Dumazet
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900f27fb79 |
net: change sock_queue_rcv_skb_reason() to return a drop_reason
Change sock_queue_rcv_skb_reason() to return the drop_reason directly instead of using a reference. This is part of an effort to remove stack canaries and reduce bloat. $ scripts/bloat-o-meter -t vmlinux.old vmlinux.new add/remove: 0/0 grow/shrink: 3/7 up/down: 79/-301 (-222) Function old new delta vsock_queue_rcv_skb 50 79 +29 ipmr_cache_report 1290 1315 +25 ip6mr_cache_report 1322 1347 +25 packet_rcv_spkt 329 327 -2 sock_queue_rcv_skb_reason 166 128 -38 raw_rcv_skb 122 80 -42 ping_queue_rcv_skb 109 61 -48 ping_rcv 215 162 -53 rawv6_rcv_skb 278 224 -54 raw_rcv 591 527 -64 Total: Before=29722890, After=29722668, chg -0.00% Signed-off-by: Eric Dumazet <edumazet@google.com> Link: https://patch.msgid.link/20260409145625.2306224-2-edumazet@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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 Fernando Fernandez Mancera
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a6bd339dbb |
net_sched: fix skb memory leak in deferred qdisc drops
When the network stack cleans up the deferred list via qdisc_run_end(),
it operates on the root qdisc. If the root qdisc do not implement the
TCQ_F_DEQUEUE_DROPS flag the packets queue to free are never freed and
gets stranded on the child's local to_free list.
Fix this by making qdisc_dequeue_drop() aware of the root qdisc. It
fetches the root qdisc and check for the TCQ_F_DEQUEUE_DROPS flag. If
the flag is present, the packet is appended directly to the root's
to_free list. Otherwise, drop it directly as it was done before the
optimization was implemented.
Fixes:
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 Hangbin Liu
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1346586a9a |
netlink: add a nla_nest_end_safe() helper
The nla_len field in struct nlattr is a __u16, which can only hold values up to 65535. If a nested attribute grows beyond this limit, nla_nest_end() silently truncates the length, producing a corrupted netlink message with no indication of the problem. Since nla_nest_end() is used everywhere and this issue rarely happens, let's add a new helper to check the length. Signed-off-by: Hangbin Liu <liuhangbin@gmail.com> Link: https://patch.msgid.link/20260408-b4-ynl_ethtool-v2-4-7623a5e8f70b@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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 Joe Damato
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82db77f6fb |
net: tso: Introduce tso_dma_map and helpers
Add struct tso_dma_map to tso.h for tracking DMA addresses of mapped GSO payload data and tso_dma_map_completion_state. The tso_dma_map combines DMA mapping storage with iterator state, allowing drivers to walk pre-mapped DMA regions linearly. Includes fields for the DMA IOVA path (iova_state, iova_offset, total_len) and a fallback per-region path (linear_dma, frags[], frag_idx, offset). The tso_dma_map_completion_state makes the IOVA completion state opaque for drivers. Drivers are expected to allocate this and use the added helpers to update the completion state. Adds skb_frag_phys() to skbuff.h, returning the physical address of a paged fragment's data, which is used by the tso_dma_map helpers introduced in this commit described below. The added TSO DMA map helpers are: tso_dma_map_init(): DMA-maps the linear payload region and all frags upfront. Prefers the DMA IOVA API for a single contiguous mapping with one IOTLB sync; falls back to per-region dma_map_phys() otherwise. Returns 0 on success, cleans up partial mappings on failure. tso_dma_map_cleanup(): Handles both IOVA and fallback teardown paths. tso_dma_map_count(): counts how many descriptors the next N bytes of payload will need. Returns 1 if IOVA is used since the mapping is contiguous. tso_dma_map_next(): yields the next (dma_addr, chunk_len) pair. On the IOVA path, each segment is a single contiguous chunk. On the fallback path, indicates when a chunk starts a new DMA mapping so the driver can set dma_unmap_len on that descriptor for completion-time unmapping. tso_dma_map_completion_save(): updates the completion state. Drivers will call this at xmit time. tso_dma_map_complete(): tears down the mapping at completion time and returns true if the IOVA path was used. If it was not used, this is a no-op and returns false. Suggested-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Joe Damato <joe@dama.to> Link: https://patch.msgid.link/20260408230607.2019402-2-joe@dama.to Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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Jakub Kicinski
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03a1569c2b |
Merge tag 'nf-next-26-04-10' of https://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf-next
Florian Westphal says:
====================
netfilter: updates for net-next
1-3) IPVS updates from Julian Anastasov to enhance visibility into
IPVS internal state by exposing hash size, load factor etc and
allows userspace to tune the load factor used for resizing hash
tables.
4) reject empty/not nul terminated device names from xt_physdev.
This isn't a bug fix; existing code doesn't require a c-string.
But clean this up anyway because conceptually the interface name
definitely should be a c-string.
5) Switch nfnetlink to skb_mac_header helpers that didn't exist back
when this code was written. This gives us additional debug checks
but is not intended to change functionality.
6) Let the xt ttl/hoplimit match reject unknown operator modes.
This is a cleanup, the evaluation function simply returns false when
the mode is out of range. From Marino Dzalto.
7) xt_socket match should enable defrag after all other checks. This
bug is harmless, historically defrag could not be disabled either
except by rmmod.
8) remove UDP-Lite conntrack support, from Fernando Fernandez Mancera.
9) Avoid a couple -Wflex-array-member-not-at-end warnings in the old
xtables 32bit compat code, from Gustavo A. R. Silva.
10) nftables fwd expression should drop packets when their ttl/hl has
expired. This is a bug fix deferred, its not deemed important
enough for -rc8.
11) Add additional checks before assuming the mac header is an ethernet
header, from Zhengchuan Liang.
* tag 'nf-next-26-04-10' of https://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf-next:
netfilter: require Ethernet MAC header before using eth_hdr()
netfilter: nft_fwd_netdev: check ttl/hl before forwarding
netfilter: x_tables: Avoid a couple -Wflex-array-member-not-at-end warnings
netfilter: conntrack: remove UDP-Lite conntrack support
netfilter: xt_socket: enable defrag after all other checks
netfilter: xt_HL: add pr_fmt and checkentry validation
netfilter: nfnetlink: prefer skb_mac_header helpers
netfilter: x_physdev: reject empty or not-nul terminated device names
ipvs: add conn_lfactor and svc_lfactor sysctl vars
ipvs: add ip_vs_status info
ipvs: show the current conn_tab size to users
====================
Link: https://patch.msgid.link/20260410112352.23599-1-fw@strlen.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Jakub Kicinski
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118cbd428e |
Merge tag 'wireless-next-2026-04-10' of https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next
Johannes Berg says: ==================== Final updates, notably: - crypto: move Michael MIC code into wireless (only) - mac80211: - multi-link 4-addr support - NAN data support (but no drivers yet) - ath10k: DT quirk to make it work on some devices - ath12k: IPQ5424 support - rtw89: USB improvements for performance * tag 'wireless-next-2026-04-10' of https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next: (124 commits) wifi: cfg80211: Explicitly include <linux/export.h> in michael-mic.c wifi: ath10k: Add device-tree quirk to skip host cap QMI requests dt-bindings: wireless: ath10k: Add quirk to skip host cap QMI requests crypto: Remove michael_mic from crypto_shash API wifi: ipw2x00: Use michael_mic() from cfg80211 wifi: ath12k: Use michael_mic() from cfg80211 wifi: ath11k: Use michael_mic() from cfg80211 wifi: mac80211, cfg80211: Export michael_mic() and move it to cfg80211 wifi: ipw2x00: Rename michael_mic() to libipw_michael_mic() wifi: libertas_tf: refactor endpoint lookup wifi: libertas: refactor endpoint lookup wifi: at76c50x: refactor endpoint lookup wifi: ath12k: Enable IPQ5424 WiFi device support wifi: ath12k: Add CE remap hardware parameters for IPQ5424 wifi: ath12k: add ath12k_hw_regs for IPQ5424 wifi: ath12k: add ath12k_hw_version_map entry for IPQ5424 wifi: ath12k: Add ath12k_hw_params for IPQ5424 dt-bindings: net: wireless: add ath12k wifi device IPQ5424 wifi: ath10k: fix station lookup failure during disconnect wifi: ath12k: Create symlink for each radio in a wiphy ... ==================== Link: https://patch.msgid.link/20260410064703.735099-3-johannes@sipsolutions.net Signed-off-by: Jakub Kicinski <kuba@kernel.org> |