AuxXxilium/linux_dsm_epyc7002
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2278f6cc15
linux_dsm_epyc7002/net/core
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Willem de Bruijn 2278f6cc15 bpf: add bpf_skb_adjust_room flag BPF_F_ADJ_ROOM_FIXED_GSO 
bpf_skb_adjust_room adjusts gso_size of gso packets to account for the
pushed or popped header room.

This is not allowed with UDP, where gso_size delineates datagrams. Add
an option to avoid these updates and allow this call for datagrams.

It can also be used with TCP, when MSS is known to allow headroom,
e.g., through MSS clamping or route MTU.

Changes v1->v2:
  - document flag BPF_F_ADJ_ROOM_FIXED_GSO
  - do not expose BPF_F_ADJ_ROOM_MASK through uapi, as it may change.

Link: https://patchwork.ozlabs.org/patch/1052497/
Signed-off-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2019-03-22 13:52:45 -07:00
..
datagram.c datagram: Make __skb_datagram_iter static 2019-03-19 14:11:39 -07:00
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 net: remove 'fallback' argument from dev->ndo_select_queue() 2019-03-20 11:18:55 -07:00
devlink.c devlink: Add support for direct reporter health state update 2019-03-04 11:00:43 -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: reduce stack usage with clang 2019-03-07 09:45:21 -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: add bpf_skb_adjust_room flag BPF_F_ADJ_ROOM_FIXED_GSO 2019-03-22 13:52:45 -07:00
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: sched: put back q.qlen into a single location 2019-03-02 14:10:18 -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: 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 net: fix GSO in bpf_lwt_push_ip_encap 2019-03-07 10:41:29 +01:00
lwtunnel.c ip_tunnel: Add dst_cache support in lwtunnel_state of ip tunnel 2019-02-24 22:13:49 -08:00
Makefile flow_offload: add flow_rule and flow_match structures and use them 2019-02-06 10:38:25 -08:00
neighbour.c neigh: hook tracepoints in neigh update code 2019-02-17 10:33:39 -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 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-03-04 13:26:15 -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 trace: events: add a few neigh tracepoints 2019-02-17 10:33:39 -08:00
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 net: dev: rename queue selection helpers. 2019-03-20 11:18:54 -07:00
netprio_cgroup.c net: remove duplicate includes 2017-12-13 13:18:46 -05:00
page_pool.c page_pool: use DMA_ATTR_SKIP_CPU_SYNC for DMA mappings 2019-02-13 22:00:16 -08:00
pktgen.c mm: replace all open encodings for NUMA_NO_NODE 2019-03-05 21:07:14 -08:00
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: Do not allocate page fragments that are not skb aligned 2019-02-17 15:48:43 -08:00
skmsg.c bpf: Stop the psock parser before canceling its work 2019-03-07 15:16:20 +01:00
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: support 64bit rates for getsockopt(SO_MAX_PACING_RATE) 2019-03-01 23:08:30 -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