Linux tsuru-no-tsurugi 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 UTC 2026 x86_64
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9p
[ DIR ]
drwxr-xr-x
2026-06-27 06:50
bluetooth
[ DIR ]
drwxr-xr-x
2026-06-27 06:50
caif
[ DIR ]
drwxr-xr-x
2026-06-27 06:50
iucv
[ DIR ]
drwxr-xr-x
2026-06-27 06:50
netfilter
[ DIR ]
drwxr-xr-x
2026-06-27 06:50
netns
[ DIR ]
drwxr-xr-x
2026-06-27 06:50
nfc
[ DIR ]
drwxr-xr-x
2026-06-27 06:50
phonet
[ DIR ]
drwxr-xr-x
2026-06-27 06:50
sctp
[ DIR ]
drwxr-xr-x
2026-06-27 06:50
tc_act
[ DIR ]
drwxr-xr-x
2026-06-27 06:50
6lowpan.h
10.03
KB
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2021-11-01 05:53
Space.h
737
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2021-11-01 05:53
act_api.h
8.44
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2026-06-20 00:54
addrconf.h
14.25
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2026-06-20 00:54
af_ieee802154.h
1.19
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2021-11-01 05:53
af_rxrpc.h
2.73
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2021-11-01 05:53
af_unix.h
3.3
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2026-06-20 00:54
af_vsock.h
7.41
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2026-06-20 00:54
ah.h
382
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2021-11-01 05:53
arp.h
2.09
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2026-06-20 00:54
atmclip.h
1.48
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2021-11-01 05:53
ax25.h
15.08
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2026-06-20 00:54
ax88796.h
1.41
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2021-11-01 05:53
bareudp.h
572
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2021-11-01 05:53
bond_3ad.h
9.48
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2026-06-20 00:54
bond_alb.h
6.1
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2026-06-20 00:54
bond_options.h
3.79
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2026-06-20 00:54
bonding.h
19.79
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2026-06-20 00:54
bpf_sk_storage.h
1.74
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2021-11-01 05:53
busy_poll.h
3.87
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2026-06-20 00:54
calipso.h
1.55
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2021-11-01 05:53
cfg80211-wext.h
1.81
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2021-11-01 05:53
cfg80211.h
294.25
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2026-06-20 00:54
cfg802154.h
10.53
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2026-06-20 00:54
checksum.h
4.75
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2026-06-20 00:54
cipso_ipv4.h
7.37
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2021-11-01 05:53
cls_cgroup.h
2.04
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2026-06-20 00:54
codel.h
5.65
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2021-11-01 05:53
codel_impl.h
7.98
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2021-11-01 05:53
codel_qdisc.h
2.9
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2021-11-01 05:53
compat.h
2.53
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2021-11-01 05:53
datalink.h
619
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2021-11-01 05:53
dcbevent.h
742
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2021-11-01 05:53
dcbnl.h
4.22
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2021-11-01 05:53
devlink.h
62.1
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2021-11-01 05:53
dsa.h
35.38
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2026-06-20 00:54
dsfield.h
1.12
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2021-11-01 05:53
dst.h
14.8
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2026-06-20 00:54
dst_cache.h
2.96
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2026-06-20 00:54
dst_metadata.h
5.39
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2026-06-20 00:54
dst_ops.h
2.08
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2026-06-20 00:54
erspan.h
8.96
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2021-11-01 05:53
esp.h
1.16
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2021-11-01 05:53
espintcp.h
966
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2021-11-01 05:53
ethoc.h
391
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2021-11-01 05:53
failover.h
1.15
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2021-11-01 05:53
fib_notifier.h
1.35
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2021-11-01 05:53
fib_rules.h
6.3
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2026-06-20 00:54
firewire.h
636
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2021-11-01 05:53
flow.h
5
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2026-06-20 00:54
flow_dissector.h
10.27
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2026-06-20 00:54
flow_offload.h
15.56
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2026-06-20 00:54
fou.h
549
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2021-11-01 05:53
fq.h
2.47
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2021-11-01 05:53
fq_impl.h
7.89
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2021-11-01 05:53
garp.h
2.62
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2021-11-01 05:53
gen_stats.h
2.82
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2021-11-01 05:53
genetlink.h
13.53
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2026-06-20 00:54
geneve.h
1.85
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2021-11-01 05:53
gre.h
3.29
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2021-11-01 05:53
gro.h
783
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2021-11-01 05:53
gro_cells.h
443
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2021-11-01 05:53
gtp.h
633
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2021-11-01 05:53
gue.h
3.24
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2021-11-01 05:53
hwbm.h
969
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2021-11-01 05:53
icmp.h
1.87
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2021-11-01 05:53
ieee80211_radiotap.h
13.2
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2021-11-01 05:53
ieee802154_netdev.h
9.86
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2026-06-20 00:54
if_inet6.h
6.54
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2026-06-20 00:54
ife.h
1.03
KB
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2021-11-01 05:53
ila.h
291
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2021-11-01 05:53
inet6_connection_sock.h
765
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2021-11-01 05:53
inet6_hashtables.h
4.16
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2026-06-20 00:54
inet_common.h
2.55
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2021-11-01 05:53
inet_connection_sock.h
11.25
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2026-06-20 00:54
inet_ecn.h
7.45
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2021-11-01 05:53
inet_frag.h
4.93
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2026-06-20 00:54
inet_hashtables.h
12.24
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2026-06-20 00:54
inet_sock.h
9.76
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2026-06-20 00:54
inet_timewait_sock.h
3.65
KB
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2021-11-01 05:53
inetpeer.h
3.29
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2021-11-01 05:53
ioam6.h
1.22
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2026-06-20 00:54
ip.h
22.23
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2026-06-20 00:54
ip6_checksum.h
2.71
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2021-11-01 05:53
ip6_fib.h
15.9
KB
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2026-06-20 00:54
ip6_route.h
9.99
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2021-11-01 05:53
ip6_tunnel.h
4.98
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2026-06-20 00:54
ip_fib.h
15.96
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2026-06-20 00:54
ip_tunnels.h
15.58
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2026-06-20 00:54
ip_vs.h
49.4
KB
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2026-06-20 00:54
ipcomp.h
659
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2021-11-01 05:53
ipconfig.h
811
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2021-11-01 05:53
ipv6.h
35.33
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2026-06-20 00:54
ipv6_frag.h
3.28
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2026-06-20 00:54
ipv6_stubs.h
3.4
KB
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2026-06-20 00:54
iw_handler.h
20.91
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2021-11-01 05:53
kcm.h
4.84
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2026-06-20 00:54
l3mdev.h
7.03
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2026-06-20 00:54
lag.h
409
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2021-11-01 05:53
lapb.h
4.82
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2026-06-20 00:54
lib80211.h
3.92
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2021-11-01 05:53
llc.h
4.41
KB
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2026-06-20 00:54
llc_c_ac.h
9.31
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2021-11-01 05:53
llc_c_ev.h
10.68
KB
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2021-11-01 05:53
llc_c_st.h
1.72
KB
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2021-11-01 05:53
llc_conn.h
4.06
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2021-11-01 05:53
llc_if.h
2.16
KB
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2021-11-01 05:53
llc_pdu.h
14.35
KB
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2026-06-20 00:54
llc_s_ac.h
1.55
KB
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2021-11-01 05:53
llc_s_ev.h
2.2
KB
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2021-11-01 05:53
llc_s_st.h
947
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2021-11-01 05:53
llc_sap.h
1.08
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2021-11-01 05:53
lwtunnel.h
6.65
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2026-06-20 00:54
mac80211.h
267.55
KB
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2026-06-20 00:54
mac802154.h
14.88
KB
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2021-11-01 05:53
macsec.h
6.92
KB
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2026-06-20 00:54
mctp.h
6.01
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2026-06-20 00:54
mctpdevice.h
841
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2026-06-20 00:54
mip6.h
1016
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2021-11-01 05:53
mld.h
2.85
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2021-11-01 05:53
mpls.h
943
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2021-11-01 05:53
mpls_iptunnel.h
429
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2021-11-01 05:53
mptcp.h
6.62
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2026-06-20 00:54
mrp.h
3.05
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2026-06-20 00:54
ncsi.h
1.92
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2021-11-01 05:53
ndisc.h
14.79
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2026-06-20 00:54
neighbour.h
15.72
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2026-06-20 00:54
net_failover.h
1023
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2021-11-01 05:53
net_namespace.h
12.5
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2026-06-20 00:54
net_ratelimit.h
220
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2021-11-01 05:53
netevent.h
1.02
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2021-11-01 05:53
netlabel.h
20.19
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2026-06-20 00:54
netlink.h
60.21
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2021-11-01 05:53
netprio_cgroup.h
1.02
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2021-11-01 05:53
netrom.h
7.71
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2021-11-01 05:53
nexthop.h
12.27
KB
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2021-11-01 05:53
nl802154.h
12.09
KB
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2026-06-20 00:54
nsh.h
12.31
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2021-11-01 05:53
p8022.h
447
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2021-11-01 05:53
page_pool.h
8.44
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2026-06-20 00:54
pie.h
3.6
KB
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2021-11-01 05:53
ping.h
2.9
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2021-11-01 05:53
pkt_cls.h
23.86
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2021-11-01 05:53
pkt_sched.h
5.9
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2026-06-20 00:54
pptp.h
557
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2021-11-01 05:53
protocol.h
3.81
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2026-06-20 00:54
psample.h
1.06
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2021-11-01 05:53
psnap.h
351
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2021-11-01 05:53
raw.h
2.09
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2026-06-20 00:54
rawv6.h
854
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2021-11-01 05:53
red.h
11.38
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2021-11-01 05:53
regulatory.h
10.65
KB
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2021-11-01 05:53
request_sock.h
6.5
KB
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2026-06-20 00:54
rose.h
7.62
KB
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2021-11-01 05:53
route.h
11.31
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2026-06-20 00:54
rpl.h
839
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2026-06-20 00:54
rsi_91x.h
1.67
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2021-11-01 05:53
rtnetlink.h
7.46
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2026-06-20 00:54
rtnh.h
859
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2021-11-01 05:53
sch_generic.h
33.91
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2026-06-20 00:54
scm.h
3.79
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2026-06-20 00:54
secure_seq.h
855
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2026-06-20 00:54
seg6.h
2.18
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2026-06-20 00:54
seg6_hmac.h
1.44
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2021-11-01 05:53
seg6_local.h
644
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2021-11-01 05:53
selftests.h
582
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2021-11-01 05:53
slhc_vj.h
6.67
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2021-11-01 05:53
smc.h
2.45
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2021-11-01 05:53
snmp.h
5.14
KB
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2021-11-01 05:53
sock.h
84.33
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2026-06-20 00:54
sock_reuseport.h
1.83
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2026-06-20 00:54
stp.h
383
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2021-11-01 05:53
strparser.h
4.15
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2026-06-20 00:54
switchdev.h
14.27
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2026-06-20 00:54
tcp.h
73.48
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2026-06-20 00:54
tcp_states.h
1.2
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2021-11-01 05:53
timewait_sock.h
925
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2021-11-01 05:53
tipc.h
2.35
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2021-11-01 05:53
tls.h
20.96
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2026-06-20 00:54
tls_toe.h
2.94
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2021-11-01 05:53
transp_v6.h
1.95
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2021-11-01 05:53
tso.h
566
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2021-11-01 05:53
tun_proto.h
988
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2021-11-01 05:53
udp.h
16.64
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2026-06-20 00:54
udp_tunnel.h
11.92
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2026-06-20 00:54
udplite.h
3.67
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2026-06-20 00:54
vsock_addr.h
662
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2021-11-01 05:53
vxlan.h
14.09
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2026-06-20 00:54
wext.h
1.47
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2021-11-01 05:53
x25.h
9.49
KB
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2021-11-01 05:53
x25device.h
387
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2021-11-01 05:53
xdp.h
8.62
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2026-06-20 00:54
xdp_priv.h
446
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2021-11-01 05:53
xdp_sock.h
2.04
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2021-11-01 05:53
xdp_sock_drv.h
5.48
KB
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2026-06-20 00:54
xfrm.h
54.98
KB
-rw-r--r--
2026-06-20 00:54
xsk_buff_pool.h
5.02
KB
-rw-r--r--
2026-06-20 00:54
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/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NET_FRAG_H__ #define __NET_FRAG_H__ #include <linux/rhashtable-types.h> #include <linux/completion.h> /* Per netns frag queues directory */ struct fqdir { /* sysctls */ long high_thresh; long low_thresh; int timeout; int max_dist; struct inet_frags *f; struct net *net; bool dead; struct rhashtable rhashtable ____cacheline_aligned_in_smp; /* Keep atomic mem on separate cachelines in structs that include it */ atomic_long_t mem ____cacheline_aligned_in_smp; struct work_struct destroy_work; struct llist_node free_list; }; /** * fragment queue flags * * @INET_FRAG_FIRST_IN: first fragment has arrived * @INET_FRAG_LAST_IN: final fragment has arrived * @INET_FRAG_COMPLETE: frag queue has been processed and is due for destruction * @INET_FRAG_HASH_DEAD: inet_frag_kill() has not removed fq from rhashtable */ enum { INET_FRAG_FIRST_IN = BIT(0), INET_FRAG_LAST_IN = BIT(1), INET_FRAG_COMPLETE = BIT(2), INET_FRAG_HASH_DEAD = BIT(3), }; struct frag_v4_compare_key { __be32 saddr; __be32 daddr; u32 user; u32 vif; __be16 id; u16 protocol; }; struct frag_v6_compare_key { struct in6_addr saddr; struct in6_addr daddr; u32 user; __be32 id; u32 iif; }; /** * struct inet_frag_queue - fragment queue * * @node: rhash node * @key: keys identifying this frag. * @timer: queue expiration timer * @lock: spinlock protecting this frag * @refcnt: reference count of the queue * @rb_fragments: received fragments rb-tree root * @fragments_tail: received fragments tail * @last_run_head: the head of the last "run". see ip_fragment.c * @stamp: timestamp of the last received fragment * @len: total length of the original datagram * @meat: length of received fragments so far * @flags: fragment queue flags * @max_size: maximum received fragment size * @fqdir: pointer to struct fqdir * @rcu: rcu head for freeing deferall */ struct inet_frag_queue { struct rhash_head node; union { struct frag_v4_compare_key v4; struct frag_v6_compare_key v6; } key; struct timer_list timer; spinlock_t lock; refcount_t refcnt; struct rb_root rb_fragments; struct sk_buff *fragments_tail; struct sk_buff *last_run_head; ktime_t stamp; int len; int meat; __u8 flags; u16 max_size; struct fqdir *fqdir; struct rcu_head rcu; }; struct inet_frags { unsigned int qsize; void (*constructor)(struct inet_frag_queue *q, const void *arg); void (*destructor)(struct inet_frag_queue *); void (*frag_expire)(struct timer_list *t); struct kmem_cache *frags_cachep; const char *frags_cache_name; struct rhashtable_params rhash_params; refcount_t refcnt; struct completion completion; }; int inet_frags_init(struct inet_frags *); void inet_frags_fini(struct inet_frags *); int fqdir_init(struct fqdir **fqdirp, struct inet_frags *f, struct net *net); static inline void fqdir_pre_exit(struct fqdir *fqdir) { /* Prevent creation of new frags. * Pairs with READ_ONCE() in inet_frag_find(). */ WRITE_ONCE(fqdir->high_thresh, 0); /* Pairs with READ_ONCE() in inet_frag_kill(), ip_expire() * and ip6frag_expire_frag_queue(). */ WRITE_ONCE(fqdir->dead, true); } void fqdir_exit(struct fqdir *fqdir); void inet_frag_kill(struct inet_frag_queue *q); void inet_frag_destroy(struct inet_frag_queue *q); struct inet_frag_queue *inet_frag_find(struct fqdir *fqdir, void *key); /* Free all skbs in the queue; return the sum of their truesizes. */ unsigned int inet_frag_rbtree_purge(struct rb_root *root); static inline void inet_frag_put(struct inet_frag_queue *q) { if (refcount_dec_and_test(&q->refcnt)) inet_frag_destroy(q); } /* Memory Tracking Functions. */ static inline long frag_mem_limit(const struct fqdir *fqdir) { return atomic_long_read(&fqdir->mem); } static inline void sub_frag_mem_limit(struct fqdir *fqdir, long val) { atomic_long_sub(val, &fqdir->mem); } static inline void add_frag_mem_limit(struct fqdir *fqdir, long val) { atomic_long_add(val, &fqdir->mem); } /* RFC 3168 support : * We want to check ECN values of all fragments, do detect invalid combinations. * In ipq->ecn, we store the OR value of each ip4_frag_ecn() fragment value. */ #define IPFRAG_ECN_NOT_ECT 0x01 /* one frag had ECN_NOT_ECT */ #define IPFRAG_ECN_ECT_1 0x02 /* one frag had ECN_ECT_1 */ #define IPFRAG_ECN_ECT_0 0x04 /* one frag had ECN_ECT_0 */ #define IPFRAG_ECN_CE 0x08 /* one frag had ECN_CE */ extern const u8 ip_frag_ecn_table[16]; /* Return values of inet_frag_queue_insert() */ #define IPFRAG_OK 0 #define IPFRAG_DUP 1 #define IPFRAG_OVERLAP 2 int inet_frag_queue_insert(struct inet_frag_queue *q, struct sk_buff *skb, int offset, int end); void *inet_frag_reasm_prepare(struct inet_frag_queue *q, struct sk_buff *skb, struct sk_buff *parent); void inet_frag_reasm_finish(struct inet_frag_queue *q, struct sk_buff *head, void *reasm_data, bool try_coalesce); struct sk_buff *inet_frag_pull_head(struct inet_frag_queue *q); #endif