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Daniel Borkmann 5a52ae4e32 bpf: Allow to retrieve cgroup v1 classid from v2 hooks 
Today, Kubernetes is still operating on cgroups v1, however, it is
possible to retrieve the task's classid based on 'current' out of
connect(), sendmsg(), recvmsg() and bind-related hooks for orchestrators
which attach to the root cgroup v2 hook in a mixed env like in case
of Cilium, for example, in order to then correlate certain pod traffic
and use it as part of the key for BPF map lookups.

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/555e1c69db7376c0947007b4951c260e1074efc3.1585323121.git.daniel@iogearbox.net
2020-03-27 19:40:38 -07:00
..
bpf_sk_storage.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
2020-02-29 15:53:35 -08:00
datagram.c
net: datagram: drop 'destructor' argument from several helpers
2020-02-28 12:12:53 -08:00
datagram.h
net/core: Allow the compiler to verify declaration and definition consistency
2019-03-27 13:49:44 -07:00
dev_addr_lists.c
net: remove unnecessary variables and callback
2019-10-24 14:53:49 -07:00
dev_ioctl.c
net: Introduce peer to peer one step PTP time stamping.
2019-12-25 19:51:34 -08:00
dev.c
Merge branch 'ct-offload' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
2020-03-12 12:34:23 -07:00
devlink.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2020-03-12 22:34:48 -07:00
drop_monitor.c
net: core: Replace zero-length array with flexible-array member
2020-02-28 12:08:37 -08:00
dst_cache.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
dst.c
net: print proper warning on dst underflow
2019-09-26 09:05:56 +02:00
failover.c
failover: allow name change on IFF_UP slave interfaces
2019-04-10 22:12:26 -07:00
fib_notifier.c
net: fib_notifier: propagate extack down to the notifier block callback
2019-10-04 11:10:56 -07:00
fib_rules.c
net: fib_rules: Correctly set table field when table number exceeds 8 bits
2020-02-16 18:38:24 -08:00
filter.c
bpf: Allow to retrieve cgroup v1 classid from v2 hooks
2020-03-27 19:40:38 -07:00
flow_dissector.c
bpf: Use bpf_prog_run_pin_on_cpu() at simple call sites.
2020-02-24 16:20:09 -08:00
flow_offload.c
flow_offload: Add flow_match_ct to get rule ct match
2020-03-12 15:00:39 -07:00
gen_estimator.c
net_sched: gen_estimator: extend packet counter to 64bit
2019-11-06 21:51:36 -08:00
gen_stats.c
net_sched: add TCA_STATS_PKT64 attribute
2019-11-05 18:20:55 -08:00
gro_cells.c
gro_cells: make sure device is up in gro_cells_receive()
2019-03-10 11:07:14 -07:00
hwbm.c
net: hwbm: Make the hwbm_pool lock a mutex
2019-06-09 19:40:10 -07:00
link_watch.c
net: link_watch: prevent starvation when processing linkwatch wq
2019-07-01 19:02:47 -07:00
lwt_bpf.c
net: ipv6_stub: use ip6_dst_lookup_flow instead of ip6_dst_lookup
2019-12-04 12:27:13 -08:00
lwtunnel.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
Makefile
ethtool: move to its own directory
2019-12-12 17:07:05 -08:00
neighbour.c
net: neigh: remove unused NEIGH_SYSCTL_MS_JIFFIES_ENTRY
2020-02-20 10:02:23 -08:00
net_namespace.c
bpf: Add netns cookie and enable it for bpf cgroup hooks
2020-03-27 19:40:38 -07:00
net-procfs.c
net: procfs: use index hashlist instead of name hashlist
2019-10-01 14:47:19 -07:00
net-sysfs.c
net-sysfs: add queue_change_owner()
2020-02-26 20:07:26 -08:00
net-sysfs.h
net-sysfs: add netdev_change_owner()
2020-02-26 20:07:25 -08:00
net-traces.c
page_pool: add tracepoints for page_pool with details need by XDP
2019-06-19 11:23:13 -04:00
netclassid_cgroup.c
cgroup, netclassid: periodically release file_lock on classid updating
2020-03-09 18:13:39 -07:00
netevent.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
netpoll.c
net: fix skb use after free in netpoll
2019-08-27 20:52:02 -07:00
netprio_cgroup.c
netprio: use css ID instead of cgroup ID
2019-11-12 08:18:03 -08:00
page_pool.c
net: page_pool: API cleanup and comments
2020-02-20 10:09:25 -08:00
pktgen.c
pktgen: Allow on loopback device
2020-03-10 15:44:59 -07:00
ptp_classifier.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 295
2019-06-05 17:36:38 +02:00
request_sock.c
tcp: add rcu protection around tp->fastopen_rsk
2019-10-13 10:13:08 -07:00
rtnetlink.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2020-02-21 13:39:34 -08:00
scm.c
y2038: socket: remove timespec reference in timestamping
2019-11-15 14:38:29 +01:00
secure_seq.c
treewide: Add SPDX license identifier for missed files
2019-05-21 10:50:45 +02:00
skbuff.c
net: core: Distribute switch variables for initialization
2020-02-20 10:00:19 -08:00
skmsg.c
bpf: Use bpf_prog_run_pin_on_cpu() at simple call sites.
2020-02-24 16:20:09 -08:00
sock_diag.c
sock: make cookie generation global instead of per netns
2019-08-09 13:14:46 -07:00
sock_map.c
bpf: sockmap: Add UDP support
2020-03-09 22:34:58 +01:00
sock_reuseport.c
net: Generate reuseport group ID on group creation
2020-02-21 22:29:45 +01:00
sock.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2020-03-12 22:34:48 -07:00
stream.c
tcp: make sure EPOLLOUT wont be missed
2019-08-19 13:07:43 -07:00
sysctl_net_core.c
net, sysctl: Fix compiler warning when only cBPF is present
2019-12-19 17:17:51 +01:00
timestamping.c
net: Introduce a new MII time stamping interface.
2019-12-25 19:51:33 -08:00
tso.c
net: Use skb accessors in network core
2019-07-22 20:47:56 -07:00
utils.c
net: Fix skb->csum update in inet_proto_csum_replace16().
2020-01-24 20:54:30 +01:00
xdp.c
net: page_pool: API cleanup and comments
2020-02-20 10:09:25 -08:00