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e36ee89679f4869c6deffd5392967820464dcbc6
linux/include/net
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Eric Dumazet c38b8f5f79 net: prevent NULL deref in ip[6]tunnel_xmit() 
Blamed commit missed that both functions can be called with dev == NULL.

Also add unlikely() hints for these conditions that only fuzzers can hit.

Fixes: 6f1a9140ec ("net: add xmit recursion limit to tunnel xmit functions")
Signed-off-by: Eric Dumazet <edumazet@google.com>
CC: Weiming Shi <bestswngs@gmail.com>
Link: https://patch.msgid.link/20260312043908.2790803-1-edumazet@google.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2026-03-12 16:03:41 +01:00
..
9p
9p: convert to the new mount API
2025-11-03 16:49:53 +09:00
bluetooth
Bluetooth: L2CAP: Fix result of L2CAP_ECRED_CONN_RSP when MTU is too short
2026-02-23 15:28:56 -05:00
caif
…
iucv
treewide: Replace kmalloc with kmalloc_obj for non-scalar types
2026-02-21 01:02:28 -08:00
libeth
libeth, idpf: use truesize as XDP RxQ info frag_size
2026-03-05 08:02:05 -08:00
mana
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
2026-02-12 17:05:20 -08:00
netfilter
netfilter: nft_set_pipapo: split gc into unlink and reclaim phase
2026-03-05 13:22:37 +01:00
netns
vsock: lock down child_ns_mode as write-once
2026-02-26 11:10:03 +01:00
nfc
nfc: nci: Fix race between rfkill and nci_unregister_device().
2026-01-28 19:32:26 -08:00
page_pool
page_pool: store detach_time as ktime_t to avoid false-negatives
2026-03-10 19:03:34 -07:00
phonet
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phy
net: phy: realtek: add dummy PHY driver for RTL8127ATF
2026-01-12 19:29:11 -08:00
psp
psp: add stats from psp spec to driver facing api
2025-11-07 18:53:57 -08:00
sctp
sctp: Remove unused declaration sctp_auth_init_hmacs()
2025-11-14 18:00:34 -08:00
tc_act
net/sched: act_ife: Fix metalist update behavior
2026-03-05 07:54:08 -08:00
6lowpan.h
…
act_api.h
net/sched: Only allow act_ct to bind to clsact/ingress qdiscs and shared blocks
2026-02-27 19:06:21 -08:00
addrconf.h
ipv6: addrconf: reduce default temp_valid_lft to 2 days
2026-02-17 17:12:06 -08:00
af_ieee802154.h
…
af_rxrpc.h
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af_unix.h
af_unix: Introduce SO_INQ.
2025-07-08 18:05:25 -07:00
af_vsock.h
vsock: lock down child_ns_mode as write-once
2026-02-26 11:10:03 +01:00
ah.h
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aligned_data.h
udp: move udp_memory_allocated into net_aligned_data
2025-07-02 14:22:02 -07:00
amt.h
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arp.h
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atmclip.h
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ax25.h
Merge tag 'sysctl-7.00-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/sysctl/sysctl
2026-02-18 10:45:36 -08:00
ax88796.h
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bareudp.h
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bond_3ad.h
bonding: support aggregator selection based on port priority
2025-09-09 10:56:02 +02:00
bond_alb.h
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bond_options.h
bonding: add support for per-port LACP actor priority
2025-09-09 10:56:02 +02:00
bonding.h
bpf/bonding: reject vlan+srcmac xmit_hash_policy change when XDP is loaded
2026-03-03 10:47:37 +01:00
bpf_sk_storage.h
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busy_poll.h
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calipso.h
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can.h
can: add CAN skb extension infrastructure
2026-02-05 11:58:39 +01:00
cfg80211-wext.h
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cfg80211.h
wifi: cfg80211: add initial UHR support
2026-02-02 10:11:07 +01:00
cfg802154.h
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checksum.h
net: Fix checksum update for ILA adj-transport
2025-05-30 19:53:51 -07:00
cipso_ipv4.h
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cls_cgroup.h
net/cls_cgroup: Fix task_get_classid() during qdisc run
2025-09-14 11:55:04 -07:00
codel_impl.h
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codel_qdisc.h
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codel.h
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compat.h
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datalink.h
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dcbevent.h
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dcbnl.h
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devlink.h
devlink: support default values for param-get and param-set
2025-11-20 19:01:22 -08:00
dropreason-core.h
net: add net.core.qdisc_max_burst
2026-01-13 10:12:11 +01:00
dropreason.h
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dsa_stubs.h
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dsa.h
net: dsa: add tag format for MxL862xx switches
2026-02-11 11:27:57 +01:00
dscp.h
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dsfield.h
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dst_cache.h
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dst_metadata.h
net: dst_metadata: fix IP_DF bit not extracted from tunnel headers
2025-09-14 14:28:12 -07:00
dst_ops.h
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dst.h
inet: add dst4_mtu() and dst6_mtu() helpers
2026-02-02 17:49:29 -08:00
eee.h
…
erspan.h
…
esp.h
…
espintcp.h
…
ethoc.h
…
failover.h
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fib_notifier.h
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fib_rules.h
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firewire.h
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flow_dissector.h
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flow_offload.h
net: dsa: eliminate local type for tc policers
2026-02-10 15:30:11 +01:00
flow.h
ipv4: Convert ->flowi4_tos to dscp_t.
2025-08-26 17:34:31 -07:00
fou.h
…
fq_impl.h
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
fq.h
…
garp.h
…
gen_stats.h
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genetlink.h
genetlink: fix typo in comment
2025-09-03 15:16:49 -07:00
geneve.h
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gre.h
…
gro_cells.h
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gro.h
gro: inline tcp6_gro_complete()
2026-01-21 19:28:32 -08:00
gso.h
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gtp.h
…
gue.h
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handshake.h
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hotdata.h
net: add net.core.qdisc_max_burst
2026-01-13 10:12:11 +01:00
hwbm.h
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icmp.h
ipv4: icmp: Pass IPv4 control block structure as an argument to __icmp_send()
2025-09-11 12:22:38 +02:00
ieee8021q.h
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ieee80211_radiotap.h
wifi: mac80211: add RX flag to report radiotap VHT information
2025-10-30 08:38:51 +01:00
ieee802154_netdev.h
…
if_inet6.h
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ife.h
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inet6_connection_sock.h
tcp: populate inet->cork.fl.u.ip6 in tcp_v6_syn_recv_sock()
2026-02-10 20:57:50 -08:00
inet6_hashtables.h
inet: annotate data-races around isk->inet_num
2026-02-27 17:16:59 -08:00
inet_common.h
net: Convert proto callbacks from sockaddr to sockaddr_unsized
2025-11-04 19:10:33 -08:00
inet_connection_sock.h
tcp: fix potential race in tcp_v6_syn_recv_sock()
2026-02-19 14:02:19 -08:00
inet_dscp.h
ipv4: Convert ->flowi4_tos to dscp_t.
2025-08-26 17:34:31 -07:00
inet_ecn.h
tcp: ECT_1_NEGOTIATION and NEEDS_ACCECN identifiers
2026-02-03 15:13:24 +01:00
inet_frag.h
inet: frags: flush pending skbs in fqdir_pre_exit()
2025-12-10 01:15:27 -08:00
inet_hashtables.h
inet: annotate data-races around isk->inet_num
2026-02-27 17:16:59 -08:00
inet_sock.h
ipv6: colocate inet6_cork in inet_cork_full
2026-02-02 17:49:30 -08:00
inet_timewait_sock.h
tcp: Update bind bucket state on port release
2025-09-23 10:12:15 +02:00
inetpeer.h
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ioam6.h
ipv6: ioam: fix heap buffer overflow in __ioam6_fill_trace_data()
2026-02-13 12:24:05 -08:00
ip6_checksum.h
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ip6_fib.h
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ip6_route.h
inet: add dst4_mtu() and dst6_mtu() helpers
2026-02-02 17:49:29 -08:00
ip6_tunnel.h
net: prevent NULL deref in ip[6]tunnel_xmit()
2026-03-12 16:03:41 +01:00
ip_fib.h
net: ipv4: fix ARM64 alignment fault in multipath hash seed
2026-03-03 17:20:37 -08:00
ip_tunnels.h
net: add xmit recursion limit to tunnel xmit functions
2026-03-10 13:30:30 +01:00
ip_vs.h
ipvs: Fix estimator kthreads preferred affinity
2025-08-13 08:34:33 +02:00
ip.h
inet: annotate data-races around isk->inet_num
2026-02-27 17:16:59 -08:00
ipcomp.h
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ipconfig.h
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ipv6_frag.h
inet: frags: flush pending skbs in fqdir_pre_exit()
2025-12-10 01:15:27 -08:00
ipv6_stubs.h
net: Convert proto callbacks from sockaddr to sockaddr_unsized
2025-11-04 19:10:33 -08:00
ipv6.h
ipv6: fix a race in ip6_sock_set_v6only()
2026-02-17 16:45:29 -08:00
iw_handler.h
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kcm.h
net: kcm: Fix race condition in kcm_unattach()
2025-08-13 18:18:33 -07:00
l3mdev.h
net: l3mdev: use skb_dst_dev_rcu() in l3mdev_l3_out()
2026-02-02 17:09:11 -08:00
lag.h
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lapb.h
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llc_c_ac.h
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llc_c_ev.h
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llc_c_st.h
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llc_conn.h
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llc_if.h
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llc_pdu.h
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llc_s_ac.h
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llc_s_ev.h
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llc_s_st.h
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llc_sap.h
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llc.h
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lwtunnel.h
net: dst: annotate data-races around dst->output
2025-07-02 14:32:30 -07:00
mac80211.h
wifi: mac80211: Add eMLSR/eMLMR action frame parsing support
2026-02-02 10:11:18 +01:00
mac802154.h
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macsec.h
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mctp.h
net: mctp: Allow limiting binds to a peer address
2025-07-15 12:08:39 +02:00
mctpdevice.h
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mip6.h
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mld.h
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mpls_iptunnel.h
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mpls.h
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mptcp.h
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mrp.h
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ncsi.h
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ndisc.h
net: replace ND_PRINTK with dynamic debug
2025-07-10 15:27:32 -07:00
neighbour_tables.h
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neighbour.h
neighbour: Convert rwlock of struct neigh_table to spinlock.
2025-10-24 17:57:20 -07:00
net_debug.h
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net_failover.h
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net_namespace.h
netns: optimize netns cleaning by batching unhash_nsid calls
2026-02-06 20:01:31 -08:00
net_ratelimit.h
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net_shaper.h
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net_trackers.h
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netdev_lock.h
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netdev_netlink.h
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netdev_queues.h
net: add queue config validation callback
2026-01-23 11:49:02 -08:00
netdev_rx_queue.h
Revert "Merge branch 'netkit-support-for-io_uring-zero-copy-and-af_xdp'"
2026-01-20 18:06:01 -08:00
netevent.h
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netkit.h
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netlabel.h
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netlink.h
netlink: introduce type-checking attribute iteration for nlmsg
2025-07-02 15:39:04 -07:00
netmem.h
net: inline get_netmem() and put_netmem()
2026-01-25 13:18:53 -08:00
netprio_cgroup.h
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netrom.h
…
nexthop.h
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nl802154.h
nl802154: fix some kernel-doc warnings
2025-10-20 17:13:40 -07:00
nsh.h
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pfcp.h
net: pfcp: fix typo in message_priority field name
2025-06-13 18:17:08 -07:00
pie.h
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ping.h
net: Convert proto callbacks from sockaddr to sockaddr_unsized
2025-11-04 19:10:33 -08:00
pkt_cls.h
net: sched: fix TCF_LAYER_TRANSPORT handling in tcf_get_base_ptr()
2025-11-24 18:53:14 -08:00
pkt_sched.h
net/sched: don't use dynamic lockdep keys with clsact/ingress/noqueue
2026-02-05 09:32:45 -08:00
pptp.h
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proto_memory.h
net: Allow opt-out from global protocol memory accounting.
2025-10-16 12:04:47 -07:00
protocol.h
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psample.h
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psnap.h
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psp.h
psp: base PSP device support
2025-09-18 12:32:06 +02:00
raw.h
net: use NUMA drop counters for softnet_data.dropped
2025-09-14 11:35:17 -07:00
rawv6.h
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red.h
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regulatory.h
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request_sock.h
tcp: move __reqsk_free() out of line
2026-02-05 09:23:06 -08:00
rose.h
net: rose: convert 'use' field to refcount_t
2025-08-27 07:43:08 -07:00
route.h
net: use dst_dev_rcu() in sk_setup_caps()
2025-08-29 19:36:32 -07:00
rpl.h
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rps.h
net: Add rfs_needed() helper
2025-09-03 15:08:20 -07:00
rsi_91x.h
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rstreason.h
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rtnetlink.h
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rtnh.h
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sch_generic.h
net: sched: avoid qdisc_reset_all_tx_gt() vs dequeue race for lockless qdiscs
2026-03-04 17:43:45 -08:00
sch_priv.h
net/sched: Export mq functions for reuse
2026-01-13 11:54:29 +01:00
scm.h
af_unix/scm: fix whitespace errors
2025-07-04 09:32:35 +02:00
secure_seq.h
tcp: secure_seq: add back ports to TS offset
2026-03-04 17:44:35 -08:00
seg6_hmac.h
ipv6: sr: Prepare HMAC key ahead of time
2025-08-26 18:11:29 -07:00
seg6_local.h
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seg6.h
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selftests.h
net: selftests: export packet creation helpers for driver use
2025-11-06 13:38:11 +01:00
slhc_vj.h
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smc.h
net/smc: bpf: Introduce generic hook for handshake flow
2025-11-10 11:19:41 -08:00
snmp.h
net: snmp: remove SNMP_MIB_SENTINEL
2025-09-08 18:06:21 -07:00
sock_reuseport.h
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sock.h
net: Drop the lock in skb_may_tx_timestamp()
2026-02-24 11:27:29 +01:00
Space.h
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stp.h
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strparser.h
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switchdev.h
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tc_wrapper.h
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tcp_ao.h
tcp: Free TCP-AO/TCP-MD5 info/keys without RCU
2025-09-11 19:05:56 -07:00
tcp_ecn.h
tcp: accecn: add tcpi_ecn_mode and tcpi_option2 in tcp_info
2026-02-03 15:13:25 +01:00
tcp_states.h
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tcp.h
tcp: secure_seq: add back ports to TS offset
2026-03-04 17:44:35 -08:00
tcx.h
bpf: Remove location field in tcx_link
2025-07-11 11:00:57 -07:00
timewait_sock.h
tcp: Remove timewait_sock_ops.twsk_destructor().
2025-08-25 17:53:35 -07:00
tipc.h
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tls_prot.h
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tls_toe.h
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tls.h
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2025-10-31 06:46:03 -07:00
transp_v6.h
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tso.h
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tun_proto.h
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udp_tunnel.h
geneve: expose gso partial features for tunnel offload
2026-01-23 11:31:14 -08:00
udp.h
Convert more 'alloc_obj' cases to default GFP_KERNEL arguments
2026-02-21 20:03:00 -08:00
udplite.h
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vsock_addr.h
net: Convert proto_ops connect() callbacks to use sockaddr_unsized
2025-11-04 19:10:32 -08:00
vxlan.h
vxlan: Support MC routing in the underlay
2025-06-17 18:18:46 -07:00
wext.h
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x25.h
net/x25: Remove unused x25_terminate_link()
2025-07-14 17:19:13 -07:00
x25device.h
…
xdp_priv.h
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xdp_sock_drv.h
xsk: introduce helper to determine rxq->frag_size
2026-03-05 08:02:03 -08:00
xdp_sock.h
xsk: add indirect call for xsk_destruct_skb
2025-11-11 10:21:08 +01:00
xdp.h
Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
2025-09-24 10:22:37 -07:00
xfrm.h
xfrm: reduce struct sec_path size
2026-02-10 20:21:48 -08:00
xsk_buff_pool.h
xsk: move cq_cached_prod_lock to avoid touching a cacheline in sending path
2026-01-15 10:07:45 +01:00