[ SYSTEM ]: Linux srv.persadacompanies.com 4.18.0-553.56.1.el8_10.x86_64 #1 SMP Tue Jun 10 05:00:59 EDT 2025 x86_64
[ SERVER ]: Apache | PHP: 8.4.19
[ USER ]: persadamedika | IP: 45.64.1.108
GEFORCE FILE MANAGER
/
usr
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src
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kernels
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4.18.0-553.64.1.el8_10.x86_64
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include
/
net
/
UPLOAD:
NAME
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QUICK PERMS
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📁 9p
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📁 bluetooth
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📁 caif
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📁 iucv
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📁 mana
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📁 netfilter
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📁 nfc
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📁 phonet
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📁 sctp
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📁 tc_act
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📄 6lowpan.h
10,271 B
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📄 Space.h
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📄 act_api.h
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📄 addrconf.h
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📄 af_ieee802154.h
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📄 af_rxrpc.h
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📄 af_unix.h
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📄 ah.h
382 B
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📄 arp.h
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📄 atmclip.h
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📄 ax25.h
14,999 B
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📄 ax88796.h
1,488 B
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📄 bareudp.h
333 B
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📄 bond_3ad.h
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📄 bond_alb.h
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📄 bond_options.h
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📄 bonding.h
20,225 B
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📄 bpf_sk_storage.h
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📄 busy_poll.h
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📄 calipso.h
2,199 B
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📄 cfg80211-wext.h
1,900 B
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📄 cfg80211.h
325,844 B
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📄 cfg802154.h
11,175 B
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📄 checksum.h
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📄 cipso_ipv4.h
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📄 cls_cgroup.h
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📄 codel.h
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8,500 B
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📄 codel_qdisc.h
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📄 compat.h
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📄 datalink.h
619 B
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📄 dcbevent.h
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📄 dcbnl.h
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📄 devlink.h
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📄 dn_fib.h
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968 B
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📄 dn_route.h
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📄 drop_monitor.h
901 B
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📄 dropreason-core.h
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📄 dsa.h
16,605 B
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📄 dsfield.h
1,139 B
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📄 dst.h
13,989 B
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📄 dst_cache.h
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📄 dst_metadata.h
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📄 dst_ops.h
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📄 erspan.h
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📄 esp.h
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📄 espintcp.h
966 B
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📄 ethoc.h
537 B
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📄 failover.h
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📄 fib_notifier.h
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📄 fib_rules.h
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📄 firewire.h
636 B
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📄 flow.h
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📄 flow_dissector.h
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📄 flow_offload.h
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📄 fou.h
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📄 fq.h
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📄 fq_impl.h
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📄 garp.h
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📄 gen_stats.h
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📄 genetlink.h
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📄 geneve.h
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📄 gre.h
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📄 gro_cells.h
443 B
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📄 gtp.h
633 B
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📄 gue.h
3,311 B
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📄 hwbm.h
937 B
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📄 icmp.h
1,765 B
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📄 ieee80211_radiotap.h
23,017 B
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📄 ieee802154_netdev.h
9,358 B
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📄 if_inet6.h
6,591 B
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📄 ife.h
1,057 B
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📄 ila.h
498 B
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📄 inet6_connection_sock.h
976 B
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📄 inet6_hashtables.h
3,746 B
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📄 inet_common.h
2,614 B
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📄 inet_connection_sock.h
11,981 B
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📄 inet_ecn.h
8,071 B
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📄 inet_frag.h
4,816 B
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📄 inet_hashtables.h
13,847 B
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📄 inet_sock.h
9,828 B
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📄 inet_timewait_sock.h
3,926 B
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📄 inetpeer.h
3,372 B
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📄 ip.h
21,221 B
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📄 ip6_checksum.h
2,981 B
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📄 ip6_fib.h
13,766 B
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📄 ip6_route.h
9,220 B
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📄 ip6_tunnel.h
5,096 B
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📄 ip_fib.h
14,290 B
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📄 ip_tunnels.h
14,697 B
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📄 ip_vs.h
49,407 B
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📄 ipcomp.h
659 B
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📄 ipconfig.h
811 B
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📄 ipv6.h
32,741 B
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📄 ipv6_frag.h
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📄 ipv6_stubs.h
2,671 B
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📄 ipx.h
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📄 iw_handler.h
21,413 B
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📄 kcm.h
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📄 l3mdev.h
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📄 lag.h
409 B
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📄 lapb.h
4,869 B
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📄 lib80211.h
4,017 B
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📄 llc.h
4,464 B
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📄 llc_c_ac.h
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📄 llc_c_ev.h
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📄 llc_c_st.h
1,762 B
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📄 llc_conn.h
4,155 B
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📄 llc_if.h
2,210 B
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📄 llc_pdu.h
14,783 B
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📄 llc_s_ac.h
1,591 B
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📄 llc_s_ev.h
2,255 B
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📄 llc_s_st.h
947 B
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📄 llc_sap.h
1,108 B
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📄 lwtunnel.h
6,563 B
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📄 mac80211.h
294,437 B
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📄 mac802154.h
15,633 B
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📄 mip6.h
1,617 B
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📄 mld.h
2,870 B
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📄 mpls.h
1,340 B
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📄 mpls_iptunnel.h
827 B
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📄 mptcp.h
6,242 B
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📄 mrp.h
3,103 B
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📄 ncsi.h
1,964 B
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📄 ndisc.h
15,095 B
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📄 neighbour.h
16,289 B
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📄 net_failover.h
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📄 net_namespace.h
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📄 net_ratelimit.h
220 B
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📄 netdev_queues.h
5,609 B
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📄 netevent.h
1,044 B
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📄 netlabel.h
21,236 B
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📄 netlink.h
63,253 B
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📄 netprio_cgroup.h
1,260 B
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📄 netrom.h
7,896 B
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📄 nexthop.h
865 B
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📄 nl802154.h
12,385 B
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📄 nsh.h
12,602 B
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📄 p8022.h
447 B
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📄 page_pool.h
6,985 B
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📄 pie.h
3,684 B
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📄 ping.h
3,197 B
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📄 pkt_cls.h
26,178 B
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📄 pkt_sched.h
6,543 B
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📄 pptp.h
557 B
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📄 protocol.h
4,320 B
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📄 psample.h
1,083 B
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📄 psnap.h
351 B
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📄 raw.h
2,161 B
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📄 rawv6.h
856 B
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📄 red.h
11,600 B
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📄 regulatory.h
10,961 B
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📄 request_sock.h
6,871 B
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📄 rose.h
7,802 B
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📄 route.h
11,327 B
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📄 rsi_91x.h
1,710 B
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📄 rtnetlink.h
7,212 B
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📄 sch_generic.h
33,841 B
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📄 scm.h
3,671 B
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📄 secure_seq.h
855 B
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📄 seg6.h
1,874 B
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📄 seg6_hmac.h
1,699 B
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📄 seg6_local.h
870 B
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📄 slhc_vj.h
6,831 B
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📄 smc.h
2,155 B
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📄 snmp.h
5,482 B
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📄 sock.h
79,182 B
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📄 sock_reuseport.h
1,565 B
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📄 stp.h
383 B
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📄 strparser.h
4,340 B
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📄 switchdev.h
17,812 B
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📄 tc_wrapper.h
7,033 B
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📄 tcp.h
73,125 B
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📄 tcp_states.h
1,540 B
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📄 timewait_sock.h
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📄 tipc.h
2,405 B
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📄 tls.h
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📄 tls_toe.h
3,006 B
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📄 transp_v6.h
1,996 B
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📄 tso.h
515 B
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📄 tun_proto.h
988 B
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📄 udp.h
16,481 B
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📄 udp_tunnel.h
13,376 B
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📄 udplite.h
3,762 B
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📄 vsock_addr.h
662 B
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📄 vxlan.h
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📄 wext.h
1,510 B
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📄 wimax.h
20,445 B
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📄 x25.h
9,658 B
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📄 x25device.h
387 B
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📄 xdp.h
9,436 B
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📄 xdp_priv.h
446 B
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📄 xdp_sock.h
2,094 B
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📄 xdp_sock_drv.h
6,423 B
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📄 xfrm.h
59,628 B
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📄 xsk_buff_pool.h
6,550 B
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DELETE SELECTED
[ CLOSE ]
EDIT: erspan.h
#ifndef __LINUX_ERSPAN_H #define __LINUX_ERSPAN_H /* * GRE header for ERSPAN encapsulation (8 octets [34:41]) -- 8 bytes * 0 1 2 3 * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * |0|0|0|1|0|00000|000000000|00000| Protocol Type for ERSPAN | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | Sequence Number (increments per packet per session) | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * * Note that in the above GRE header [RFC1701] out of the C, R, K, S, * s, Recur, Flags, Version fields only S (bit 03) is set to 1. The * other fields are set to zero, so only a sequence number follows. * * ERSPAN Version 1 (Type II) header (8 octets [42:49]) * 0 1 2 3 * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | Ver | VLAN | COS | En|T| Session ID | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | Reserved | Index | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * * * ERSPAN Version 2 (Type III) header (12 octets [42:49]) * 0 1 2 3 * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | Ver | VLAN | COS |BSO|T| Session ID | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | Timestamp | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | SGT |P| FT | Hw ID |D|Gra|O| * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * * Platform Specific SubHeader (8 octets, optional) * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | Platf ID | Platform Specific Info | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | Platform Specific Info | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * * GRE proto ERSPAN type II = 0x88BE, type III = 0x22EB */ #include <uapi/linux/erspan.h> #define ERSPAN_VERSION 0x1 /* ERSPAN type II */ #define VER_MASK 0xf000 #define VLAN_MASK 0x0fff #define COS_MASK 0xe000 #define EN_MASK 0x1800 #define T_MASK 0x0400 #define ID_MASK 0x03ff #define INDEX_MASK 0xfffff #define ERSPAN_VERSION2 0x2 /* ERSPAN type III*/ #define BSO_MASK EN_MASK #define SGT_MASK 0xffff0000 #define P_MASK 0x8000 #define FT_MASK 0x7c00 #define HWID_MASK 0x03f0 #define DIR_MASK 0x0008 #define GRA_MASK 0x0006 #define O_MASK 0x0001 #define HWID_OFFSET 4 #define DIR_OFFSET 3 enum erspan_encap_type { ERSPAN_ENCAP_NOVLAN = 0x0, /* originally without VLAN tag */ ERSPAN_ENCAP_ISL = 0x1, /* originally ISL encapsulated */ ERSPAN_ENCAP_8021Q = 0x2, /* originally 802.1Q encapsulated */ ERSPAN_ENCAP_INFRAME = 0x3, /* VLAN tag perserved in frame */ }; #define ERSPAN_V1_MDSIZE 4 #define ERSPAN_V2_MDSIZE 8 struct erspan_base_hdr { #if defined(__LITTLE_ENDIAN_BITFIELD) __u8 vlan_upper:4, ver:4; __u8 vlan:8; __u8 session_id_upper:2, t:1, en:2, cos:3; __u8 session_id:8; #elif defined(__BIG_ENDIAN_BITFIELD) __u8 ver: 4, vlan_upper:4; __u8 vlan:8; __u8 cos:3, en:2, t:1, session_id_upper:2; __u8 session_id:8; #else #error "Please fix <asm/byteorder.h>" #endif }; static inline void set_session_id(struct erspan_base_hdr *ershdr, u16 id) { ershdr->session_id = id & 0xff; ershdr->session_id_upper = (id >> 8) & 0x3; } static inline u16 get_session_id(const struct erspan_base_hdr *ershdr) { return (ershdr->session_id_upper << 8) + ershdr->session_id; } static inline void set_vlan(struct erspan_base_hdr *ershdr, u16 vlan) { ershdr->vlan = vlan & 0xff; ershdr->vlan_upper = (vlan >> 8) & 0xf; } static inline u16 get_vlan(const struct erspan_base_hdr *ershdr) { return (ershdr->vlan_upper << 8) + ershdr->vlan; } static inline void set_hwid(struct erspan_md2 *md2, u8 hwid) { md2->hwid = hwid & 0xf; md2->hwid_upper = (hwid >> 4) & 0x3; } static inline u8 get_hwid(const struct erspan_md2 *md2) { return (md2->hwid_upper << 4) + md2->hwid; } static inline int erspan_hdr_len(int version) { return sizeof(struct erspan_base_hdr) + (version == 1 ? ERSPAN_V1_MDSIZE : ERSPAN_V2_MDSIZE); } static inline u8 tos_to_cos(u8 tos) { u8 dscp, cos; dscp = tos >> 2; cos = dscp >> 3; return cos; } static inline void erspan_build_header(struct sk_buff *skb, u32 id, u32 index, bool truncate, bool is_ipv4) { struct ethhdr *eth = (struct ethhdr *)skb->data; enum erspan_encap_type enc_type; struct erspan_base_hdr *ershdr; struct qtag_prefix { __be16 eth_type; __be16 tci; } *qp; u16 vlan_tci = 0; u8 tos; __be32 *idx; tos = is_ipv4 ? ip_hdr(skb)->tos : (ipv6_hdr(skb)->priority << 4) + (ipv6_hdr(skb)->flow_lbl[0] >> 4); enc_type = ERSPAN_ENCAP_NOVLAN; /* If mirrored packet has vlan tag, extract tci and * perserve vlan header in the mirrored frame. */ if (eth->h_proto == htons(ETH_P_8021Q)) { qp = (struct qtag_prefix *)(skb->data + 2 * ETH_ALEN); vlan_tci = ntohs(qp->tci); enc_type = ERSPAN_ENCAP_INFRAME; } skb_push(skb, sizeof(*ershdr) + ERSPAN_V1_MDSIZE); ershdr = (struct erspan_base_hdr *)skb->data; memset(ershdr, 0, sizeof(*ershdr) + ERSPAN_V1_MDSIZE); /* Build base header */ ershdr->ver = ERSPAN_VERSION; ershdr->cos = tos_to_cos(tos); ershdr->en = enc_type; ershdr->t = truncate; set_vlan(ershdr, vlan_tci); set_session_id(ershdr, id); /* Build metadata */ idx = (__be32 *)(ershdr + 1); *idx = htonl(index & INDEX_MASK); } /* ERSPAN GRA: timestamp granularity * 00b --> granularity = 100 microseconds * 01b --> granularity = 100 nanoseconds * 10b --> granularity = IEEE 1588 * Here we only support 100 microseconds. */ static inline __be32 erspan_get_timestamp(void) { u64 h_usecs; ktime_t kt; kt = ktime_get_real(); h_usecs = ktime_divns(kt, 100 * NSEC_PER_USEC); /* ERSPAN base header only has 32-bit, * so it wraps around 4 days. */ return htonl((u32)h_usecs); } /* ERSPAN BSO (Bad/Short/Oversized), see RFC1757 * 00b --> Good frame with no error, or unknown integrity * 01b --> Payload is a Short Frame * 10b --> Payload is an Oversized Frame * 11b --> Payload is a Bad Frame with CRC or Alignment Error */ enum erspan_bso { BSO_NOERROR = 0x0, BSO_SHORT = 0x1, BSO_OVERSIZED = 0x2, BSO_BAD = 0x3, }; static inline u8 erspan_detect_bso(struct sk_buff *skb) { /* BSO_BAD is not handled because the frame CRC * or alignment error information is in FCS. */ if (skb->len < ETH_ZLEN) return BSO_SHORT; if (skb->len > ETH_FRAME_LEN) return BSO_OVERSIZED; return BSO_NOERROR; } static inline void erspan_build_header_v2(struct sk_buff *skb, u32 id, u8 direction, u16 hwid, bool truncate, bool is_ipv4) { struct ethhdr *eth = (struct ethhdr *)skb->data; struct erspan_base_hdr *ershdr; struct erspan_md2 *md2; struct qtag_prefix { __be16 eth_type; __be16 tci; } *qp; u16 vlan_tci = 0; u8 gra = 0; /* 100 usec */ u8 bso = 0; /* Bad/Short/Oversized */ u8 sgt = 0; u8 tos; tos = is_ipv4 ? ip_hdr(skb)->tos : (ipv6_hdr(skb)->priority << 4) + (ipv6_hdr(skb)->flow_lbl[0] >> 4); /* Unlike v1, v2 does not have En field, * so only extract vlan tci field. */ if (eth->h_proto == htons(ETH_P_8021Q)) { qp = (struct qtag_prefix *)(skb->data + 2 * ETH_ALEN); vlan_tci = ntohs(qp->tci); } bso = erspan_detect_bso(skb); skb_push(skb, sizeof(*ershdr) + ERSPAN_V2_MDSIZE); ershdr = (struct erspan_base_hdr *)skb->data; memset(ershdr, 0, sizeof(*ershdr) + ERSPAN_V2_MDSIZE); /* Build base header */ ershdr->ver = ERSPAN_VERSION2; ershdr->cos = tos_to_cos(tos); ershdr->en = bso; ershdr->t = truncate; set_vlan(ershdr, vlan_tci); set_session_id(ershdr, id); /* Build metadata */ md2 = (struct erspan_md2 *)(ershdr + 1); md2->timestamp = erspan_get_timestamp(); md2->sgt = htons(sgt); md2->p = 1; md2->ft = 0; md2->dir = direction; md2->gra = gra; md2->o = 0; set_hwid(md2, hwid); } #endif