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alistair23-linux/net/core
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Daniel Borkmann 4e1ec56cdc bpf: add skb_load_bytes_relative helper 
This adds a small BPF helper similar to bpf_skb_load_bytes() that
is able to load relative to mac/net header offset from the skb's
linear data. Compared to bpf_skb_load_bytes(), it takes a fifth
argument namely start_header, which is either BPF_HDR_START_MAC
or BPF_HDR_START_NET. This allows for a more flexible alternative
compared to LD_ABS/LD_IND with negative offset. It's enabled for
tc BPF programs as well as sock filter program types where it's
mainly useful in reuseport programs to ease access to lower header
data.

Reference: https://lists.iovisor.org/pipermail/iovisor-dev/2017-March/000698.html
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
 		2018-05-03 16:49:19 -07:00
..
Makefile page_pool: refurbish version of page_pool code 2018-04-17 10:50:29 -04:00
datagram.c vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
dev.c dev: packet: make packet_direct_xmit a common function 2018-05-03 15:55:24 -07:00
dev_addr_lists.c net: change the comment of dev_mc_init 2018-04-19 12:58:20 -04:00
dev_ioctl.c net: don't unnecessarily load kernel modules in dev_ioctl() 2018-03-07 15:12:58 -05:00
devlink.c devlink: convert occ_get op to separate registration 2018-04-08 12:45:57 -04:00
drop_monitor.c treewide: setup_timer() -> timer_setup() 2017-11-21 15:57:07 -08:00
dst.c net/ipv6: move metrics from dst to rt6_info 2018-04-17 23:41:16 -04:00
dst_cache.c net: core: dst_cache_set_ip6: Rename 'addr' parameter to 'saddr' for consistency 2018-03-05 12:52:45 -05:00
ethtool.c udp: add gso support to virtual devices 2018-04-26 15:09:12 -04:00
fib_notifier.c net: Fix fib notifer to return errno 2018-03-29 14:10:30 -04:00
fib_rules.c net: rules: Move l3mdev attribute validation to a helper 2018-04-25 13:26:12 -04:00
filter.c bpf: add skb_load_bytes_relative helper 2018-05-03 16:49:19 -07:00
flow_dissector.c net: Remove unused get_hash_from_flow functions 2018-03-04 13:04:23 -05:00
gen_estimator.c net_sched: gen_estimator: fix broken estimators based on percpu stats 2018-02-23 12:35:46 -05:00
gen_stats.c net: sched: add support for TCQ_F_NOLOCK subqueues to sch_mq 2017-12-08 13:32:26 -05:00
gro_cells.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
hwbm.c
…
link_watch.c net: link_watch: mark bonding link events urgent 2018-01-23 19:43:30 -05:00
lwt_bpf.c bpf: rename bpf_compute_data_end into bpf_compute_data_pointers 2017-09-26 13:36:44 -07:00
lwtunnel.c ipv6: sr: define core operations for seg6local lightweight tunnel 2017-08-07 14:16:22 -07:00
neighbour.c neighbour: support for NTF_EXT_LEARNED flag 2018-04-25 13:19:59 -04:00
net-procfs.c net: Drop pernet_operations::async 2018-03-27 13:18:09 -04:00
net-sysfs.c net: Use octal not symbolic permissions 2018-03-26 12:07:48 -04:00
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 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-11-04 09:26:51 +09:00
net_namespace.c net: Do not take net_rwsem in __rtnl_link_unregister() 2018-03-31 22:24:58 -04:00
netclassid_cgroup.c cgroup: add @flags to css_task_iter_start() and implement CSS_TASK_ITER_PROCS 2017-07-21 11:14:51 -04:00
netevent.c
…
netpoll.c netpoll: Use lockdep to assert IRQs are disabled/enabled 2017-11-08 11:13:54 +01:00
netprio_cgroup.c net: remove duplicate includes 2017-12-13 13:18:46 -05:00
page_pool.c page_pool: refurbish version of page_pool code 2018-04-17 10:50:29 -04:00
pktgen.c net: Drop pernet_operations::async 2018-03-27 13:18:09 -04:00
ptp_classifier.c
…
request_sock.c
…
rtnetlink.c net: Handle null dst in rtnl_put_cacheinfo 2018-04-17 23:41:15 -04:00
scm.c sched/headers: Prepare for new header dependencies before moving code to <linux/sched/user.h> 2017-03-02 08:42:29 +01:00
secure_seq.c tcp: Namespaceify sysctl_tcp_timestamps 2017-06-08 10:53:29 -04:00
skbuff.c udp: add udp gso 2018-04-26 15:07:42 -04:00
sock.c net: initial AF_XDP skeleton 2018-05-03 15:55:23 -07:00
sock_diag.c net: Drop pernet_operations::async 2018-03-27 13:18:09 -04:00
sock_reuseport.c soreuseport: fix mem leak in reuseport_add_sock() 2018-02-02 19:47:03 -05:00
stream.c vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
sysctl_net_core.c headers: untangle kmemleak.h from mm.h 2018-04-05 21:36:27 -07:00
timestamping.c
…
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/utils: Introduce inet_addr_is_any 2018-03-26 08:53:43 -06:00
xdp.c xsk: add Rx receive functions and poll support 2018-05-03 15:55:24 -07:00