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Peter Oskolkov 3bd0b15281 bpf: add handling of BPF_LWT_REROUTE to lwt_bpf.c 
This patch builds on top of the previous patch in the patchset,
which added BPF_LWT_ENCAP_IP mode to bpf_lwt_push_encap. As the
encapping can result in the skb needing to go via a different
interface/route/dst, bpf programs can indicate this by returning
BPF_LWT_REROUTE, which triggers a new route lookup for the skb.

v8 changes: fix kbuild errors when LWTUNNEL_BPF is builtin, but
   IPV6 is a module: as LWTUNNEL_BPF can only be either Y or N,
   call IPV6 routing functions only if they are built-in.

v9 changes:
   - fixed a kbuild test robot compiler warning;
   - call IPV6 routing functions via ipv6_stub.

v10 changes: removed unnecessary IS_ENABLED and pr_warn_once.

v11 changes: fixed a potential dst leak.

Signed-off-by: Peter Oskolkov <posk@google.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2019-02-13 18:27:55 -08:00
..
datagram.c
for-4.21/block-20181221
2018-12-28 13:19:59 -08:00
dev_addr_lists.c
net: dev: Issue NETDEV_PRE_CHANGEADDR
2018-12-13 18:41:38 -08:00
dev_ioctl.c
net: dev: Add extack argument to dev_set_mac_address()
2018-12-13 18:41:38 -08:00
dev.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
2019-02-06 16:56:20 -08:00
devlink.c
devlink: Add health dump {get,clear} commands
2019-02-07 10:34:29 -08:00
drop_monitor.c
treewide: setup_timer() -> timer_setup()
2017-11-21 15:57:07 -08:00
dst_cache.c
net: core: dst_cache_set_ip6: Rename 'addr' parameter to 'saddr' for consistency
2018-03-05 12:52:45 -05:00
dst.c
net: add a route cache full diagnostic message
2019-01-17 15:37:25 -08:00
ethtool.c
ethtool: add ethtool_rx_flow_spec to flow_rule structure translator
2019-02-06 10:38:26 -08:00
failover.c
net: Introduce generic failover module
2018-05-28 22:59:54 -04:00
fib_notifier.c
net: Fix fib notifer to return errno
2018-03-29 14:10:30 -04:00
fib_rules.c
net/fib_rules: Update fib_nl_dumprule for strict data checking
2018-10-08 10:39:05 -07:00
filter.c
bpf: implement BPF_LWT_ENCAP_IP mode in bpf_lwt_push_encap
2019-02-13 18:27:55 -08:00
flow_dissector.c
net/flow_dissector: move bpf case into __skb_flow_bpf_dissect
2019-01-29 01:08:29 +01:00
flow_offload.c
flow_offload: add flow action infrastructure
2019-02-06 10:38:25 -08:00
gen_estimator.c
net: core: protect rate estimator statistics pointer with lock
2018-08-11 12:37:10 -07:00
gen_stats.c
net/core: make function ___gnet_stats_copy_basic() static
2018-09-28 10:25:11 -07:00
gro_cells.c
gro_cell: add napi_disable in gro_cells_destroy
2018-12-19 15:50:02 -08:00
hwbm.c
net: hwbm: Fix unbalanced spinlock in error case
2016-05-25 12:35:09 -07:00
link_watch.c
net: linkwatch: add check for netdevice being present to linkwatch_do_dev
2018-09-19 21:06:46 -07:00
lwt_bpf.c
bpf: add handling of BPF_LWT_REROUTE to lwt_bpf.c
2019-02-13 18:27:55 -08:00
lwtunnel.c
ipv6: sr: define core operations for seg6local lightweight tunnel
2017-08-07 14:16:22 -07:00
Makefile
flow_offload: add flow_rule and flow_match structures and use them
2019-02-06 10:38:25 -08:00
neighbour.c
neighbour: Do not perturb drop profiles when neigh_probe
2019-01-17 22:08:14 -08:00
net_namespace.c
net: namespace: perform strict checks also for doit handlers
2019-01-19 10:09:58 -08:00
net-procfs.c
proc: introduce proc_create_net{,_data}
2018-05-16 07:24:30 +02:00
net-sysfs.c
net: Get rid of SWITCHDEV_ATTR_ID_PORT_PARENT_ID
2019-02-06 14:17:03 -08:00
net-sysfs.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
net-traces.c
net/ipv6: Udate fib6_table_lookup tracepoint
2018-05-24 23:01:15 -04:00
netclassid_cgroup.c
cgroup, netclassid: add a preemption point to write_classid
2018-10-23 12:58:17 -07:00
netevent.c
netevent: remove automatic variable in register_netevent_notifier()
2015-05-31 00:03:21 -07:00
netpoll.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
2018-12-27 13:04:52 -08:00
netprio_cgroup.c
net: remove duplicate includes
2017-12-13 13:18:46 -05:00
page_pool.c
net/page_pool: Fix inconsistent lock state warning
2018-07-19 23:23:01 -07:00
pktgen.c
pktgen: Fix fall-through annotation
2018-09-13 15:36:41 -07:00
ptp_classifier.c
ptp: Change ptp_class to a proper bitmask
2015-11-03 11:08:22 -05:00
request_sock.c
ipv4: Namespaceify tcp_max_syn_backlog knob
2016-12-29 11:38:31 -05:00
rtnetlink.c
net: Get rid of SWITCHDEV_ATTR_ID_PORT_PARENT_ID
2019-02-06 14:17:03 -08:00
scm.c
socket: Add SO_TIMESTAMPING_NEW
2019-02-03 11:17:31 -08:00
secure_seq.c
infiniband: i40iw, nes: don't use wall time for TCP sequence numbers
2018-07-11 12:10:19 -06:00
skbuff.c
net, skbuff: do not prefer skb allocation fails early
2019-01-04 12:53:16 -08:00
skmsg.c
Optimize sk_msg_clone() by data merge to end dst sg entry
2019-01-17 11:42:26 -08:00
sock_diag.c
net: sock_diag: Fix spectre v1 gadget in __sock_diag_cmd()
2018-08-14 10:01:24 -07:00
sock_map.c
bpf: skmsg, fix psock create on existing kcm/tls port
2018-10-20 00:40:45 +02:00
sock_reuseport.c
sctp: add sock_reuseport for the sock in __sctp_hash_endpoint
2018-11-12 09:09:51 -08:00
sock.c
net: Fix fall through warning in y2038 tstamp changes.
2019-02-03 20:25:31 -08:00
stream.c
tcp: reduce POLLOUT events caused by TCP_NOTSENT_LOWAT
2018-12-04 21:21:18 -08:00
sysctl_net_core.c
net: introduce a knob to control whether to inherit devconf config
2019-01-22 11:07:21 -08:00
timestamping.c
net: skb_defer_rx_timestamp should check for phydev before setting up classify
2015-07-09 14:17:15 -07:00
tso.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
utils.c
net: Remove some unneeded semicolon
2018-08-04 13:05:39 -07:00
xdp.c
xdp: remove redundant variable 'headroom'
2018-09-01 01:35:53 +02:00