NIPA Branch net-next-hw-2026-01-05--08-00

tmp: fix defering freeing of zc Tx skbs

selftests: hw-net: tso: set a TCP window clamp to avoid spurious drops

nipa: config: disable kmemleak auto scan

nipa: drv: net: add timeout

nipa: tc_action dbg

nipa: disable 6.17's merge window kunit tests

nipa: config: x86: disable GPUs and sound

nipa: forwarding: set timeout to 3 hours

nipa: selftests: net: enable profiling

nipa: fbnic: link up on QEMU

nipa: timestamp - try waking

nipa: config: x86: use periodic HZ tick

nipa: profile (time) test output

nipa: config: disable CPU_MITIGATIONS

nipa: disable random kunit tests

net: dlink: replace printk() with netdev_info() in rio_probe1()

Revert "dsa: mv88e6xxx: make serdes SGMII/Fiber tx amplitude configurable"

net: spacemit: Remove broken flow control support

ipv6: preserve insertion order for same-scope addresses

drivers: net: replace `kernel::c_str!` with C-Strings

rust: net: replace `kernel::c_str!` with C-Strings

xsk: move cq_cached_prod_lock to avoid touching a cacheline in sending path

xsk: advance cq/fq check when shared umem is used

net: marvell: prestera: correct return type of prestera_ldr_wait_buf()

tcp: accecn: enable AccECN

tcp: accecn: detect loss ACK w/ AccECN option and add TCP_ACCECN_OPTION_PERSIST

tcp: accecn: fallback outgoing half link to non-AccECN

tcp: accecn: unset ECT if receive or send ACE=0 in AccECN negotiaion

tcp: accecn: retransmit SYN/ACK without AccECN option or non-AccECN SYN/ACK

tcp: add TCP_SYNACK_RETRANS synack_type

tcp: accecn: retransmit downgraded SYN in AccECN negotiation

tcp: accecn: handle unexpected AccECN negotiation feedback

tcp: disable RFC3168 fallback identifier for CC modules

tcp: ECT_1_NEGOTIATION and NEEDS_ACCECN identifiers

selftests/net: gro: add self-test for TCP CWR flag

gro: flushing when CWR is set negatively affects AccECN

tcp: try to avoid safer when ACKs are thinned

net: dlink: mask rx_coalesce/rx_timeout before writing RxDMAIntCtrl

net: mana: Implement ndo_tx_timeout and serialize queue resets per port.

mlx5: TLS 1.3 hardware offload support

tls: TLS 1.3 hardware offload support

net: phy: mediatek: enable interrupts on AN7581

net: airoha: Fix npu rx DMA definitions

net/sched: sch_qfq: Fix NULL deref when deactivating inactive aggregate in qfq_reset

selftests: mptcp: Mark xerror and die_perror __noreturn

selftests/tc-testing: Add test case redirecting to self on egress

net/sched: act_mirred: Fix leak when redirecting to self on egress

ipv4: Improve martian logs

net: vlan: set header_ops to match hard_header_len when hw offload is toggled

vsock/test: Test setting SO_ZEROCOPY on accept()ed socket

vsock: Make accept()ed sockets use custom setsockopt()