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kernel-fxtec-pro1x/include/net
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Daniel Borkmann 8050c0f027 bpf: allow bpf_csum_diff to feed bpf_l3_csum_replace as well 
Commit 7d672345ed ("bpf: add generic bpf_csum_diff helper") added a
generic checksum diff helper that can feed bpf_l4_csum_replace() with
a target __wsum diff that is to be applied to the L4 checksum. This
facility is very flexible, can be cascaded, allows for adding, removing,
or diffing data, or for calculating the pseudo header checksum from
scratch, but it can also be reused for working with the IPv4 header
checksum.

Thus, analogous to bpf_l4_csum_replace(), add a case for header field
value of 0 to change the checksum at a given offset through a new helper
csum_replace_by_diff(). Also, in addition to that, this provides an
easy to use interface for feeding precalculated diffs f.e. coming from
a map. It nicely complements bpf_l3_csum_replace() that currently allows
only for csum updates of 2 and 4 byte diffs.

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-08 13:55:15 -05:00
..
9p 9p: switch p9_client_read() to passing struct iov_iter * 2015-04-11 22:28:27 -04:00
bluetooth Bluetooth: add LED trigger for indicating HCI is powered up 2016-02-23 20:29:35 +01:00
caif caif: fix a signedness bug in cfpkt_iterate() 2015-02-20 17:35:14 -05:00
irda irda: Convert function pointer arrays and uses to const 2014-12-10 15:33:16 -05:00
iucv s390/iucv: do not use arrays as argument 2015-09-21 16:03:04 -07:00
netfilter netfilter: nf_conntrack: use safer way to lock all buckets 2016-01-20 14:15:31 +01:00
netns ipv4: namespacify ip_early_demux sysctl knob 2016-02-16 20:42:54 -05:00
nfc nfc: netlink: HCI event connectivity implementation 2015-12-29 19:06:20 +01:00
phonet sock: struct proto hash function may error 2016-02-11 03:54:14 -05:00
sctp sctp: remove the unused sctp_datamsg_free() 2016-02-17 15:41:54 -05:00
tc_act introduce IFE action 2016-03-01 17:15:22 -05:00
6lowpan.h 6lowpan: iphc: add support for stateful compression 2016-02-23 20:29:40 +01:00
act_api.h net_sched: add network namespace support for tc actions 2016-02-25 14:16:21 -05:00
addrconf.h inet: refactor inet[6]_lookup functions to take skb 2016-02-11 03:54:14 -05:00
af_ieee802154.h ieee802154: af_ieee802154: fix typo in comment. 2015-09-17 13:20:05 +02:00
af_rxrpc.h
af_unix.h unix: correctly track in-flight fds in sending process user_struct 2016-02-08 10:30:42 -05:00
af_vsock.h Revert "Merge branch 'vsock-virtio'" 2015-12-08 21:55:49 -05:00
ah.h ipsec: Remove obsolete MAX_AH_AUTH_LEN 2014-09-18 10:54:36 +02:00
arp.h neigh: Factor out ___neigh_lookup_noref 2015-03-04 00:23:23 -05:00
atmclip.h
ax25.h ax25: Stop using sock->sk_protinfo. 2015-06-28 16:55:44 -07:00
ax88796.h
bond_3ad.h bonding: 3ad: apply ad_actor settings changes immediately 2016-02-09 04:45:49 -05:00
bond_alb.h net: Move bonding headers under include/net 2014-11-10 13:27:49 -05:00
bond_options.h bonding: convert num_grat_arp to the new bonding option API 2015-07-27 01:05:24 -07:00
bonding.h bonding: implement lower state change propagation 2015-12-03 11:49:27 -05:00
busy_poll.h net: un-inline sk_busy_loop() 2015-11-18 16:17:38 -05:00
cfg80211-wext.h
cfg80211.h cfg80211: basic support for PBSS network type 2016-02-24 09:04:34 +01:00
cfg802154.h nl802154: add support for security layer 2015-09-30 13:16:44 +02:00
checksum.h bpf: allow bpf_csum_diff to feed bpf_l3_csum_replace as well 2016-03-08 13:55:15 -05:00
cipso_ipv4.h cipso: don't use IPCB() to locate the CIPSO IP option 2015-02-11 14:46:37 -05:00
cls_cgroup.h net: wrap sock->sk_cgrp_prioidx and ->sk_classid inside a struct 2015-12-08 22:02:33 -05:00
codel.h net_sched: update hierarchical backlog too 2016-02-29 17:02:33 -05:00
compat.h net: switch importing msghdr from userland to {compat_,}import_iovec() 2015-04-09 00:02:26 -04:00
datalink.h
dcbevent.h
dcbnl.h net/dcb: Add IEEE QCN attribute 2015-03-06 21:50:02 -05:00
devlink.h Introduce devlink infrastructure 2016-03-01 16:07:29 -05:00
dn.h
dn_dev.h
dn_fib.h
dn_neigh.h netfilter: Pass net into okfn 2015-09-17 17:18:37 -07:00
dn_nsp.h
dn_route.h
dsa.h net: dsa: support VLAN filtering switchdev attr 2016-03-01 16:24:51 -05:00
dsfield.h
dst.h net: fix IP early demux races 2015-12-14 23:52:00 -05:00
dst_cache.h net: add dst_cache support 2016-02-16 20:21:48 -05:00
dst_metadata.h net: add dst_cache to ovs vxlan lwtunnel 2016-02-16 20:21:48 -05:00
dst_ops.h ipv4, ipv6: Pass net into __ip_local_out and __ip6_local_out 2015-10-08 04:27:02 -07:00
esp.h
ethoc.h net/ethoc: support big-endian register layout 2015-09-23 15:33:15 -07:00
fib_rules.h net: ipv6: use common fib_default_rule_pref 2015-09-09 14:19:50 -07:00
firewire.h
flow.h net: Rename FLOWI_FLAG_VRFSRC to FLOWI_FLAG_L3MDEV_SRC 2015-10-07 04:27:42 -07:00
flow_dissector.h flow_dissector: Don't use bit fields. 2015-09-01 16:46:08 -07:00
flowcache.h
fou.h ip_tunnel: Ops registration for secondary encap (fou, gue) 2014-11-12 15:01:35 -05:00
garp.h
gen_stats.h net: sched: enable per cpu qstats 2014-09-30 01:02:26 -04:00
genetlink.h Revert "genl: Add genlmsg_new_unicast() for unicast message allocation" 2016-02-18 11:42:19 -05:00
geneve.h geneve: Add geneve_get_rx_port support 2015-12-16 10:58:56 -05:00
gre.h gre: Remove support for sharing GRE protocol hook. 2015-08-10 14:03:54 -07:00
gro_cells.h gro_cells: remove spinlock protecting receive queues 2015-08-31 15:17:17 -07:00
gue.h gue: Protocol constants for remote checksum offload 2014-11-05 16:30:03 -05:00
icmp.h
ieee80211_radiotap.h
ieee802154_netdev.h mac802154: constify ieee802154_llsec_ops structure 2016-01-04 20:40:41 +01:00
if_inet6.h ipv6: do retries on stable privacy addresses 2015-03-23 22:12:09 -04:00
ila.h ila: Add generic ILA translation facility 2015-12-15 23:25:20 -05:00
inet6_connection_sock.h ipv6: remove obsolete inet6 functions 2015-10-03 04:32:42 -07:00
inet6_hashtables.h inet: refactor inet[6]_lookup functions to take skb 2016-02-11 03:54:14 -05:00
inet_common.h net: avoid NULL deref in inet_ctl_sock_destroy() 2015-11-02 22:46:09 -05:00
inet_connection_sock.h tcp/dccp: fix another race at listener dismantle 2016-02-18 11:35:51 -05:00
inet_ecn.h ipv6: update skb->csum when CE mark is propagated 2016-01-15 15:07:23 -05:00
inet_frag.h ipv4: namespacify ip fragment max dist sysctl knob 2016-02-16 20:42:54 -05:00
inet_hashtables.h soreuseport: fast reuseport TCP socket selection 2016-02-11 03:54:15 -05:00
inet_sock.h net: Allow accepted sockets to be bound to l3mdev domain 2015-12-18 14:43:38 -05:00
inet_timewait_sock.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-10-20 06:08:27 -07:00
inetpeer.h inet: tcp: fix inetpeer_set_addr_v4() 2015-12-16 00:14:12 -05:00
ip.h net: ipv4: Convert IP network timestamps to be y2038 safe 2016-03-01 17:18:44 -05:00
ip6_checksum.h net: add gro_compute_pseudo functions 2014-08-24 18:09:23 -07:00
ip6_fib.h ipv6: Check rt->dst.from for the DST_NOCACHE route 2015-11-15 17:12:37 -05:00
ip6_route.h ipv6: enforce flowi6_oif usage in ip6_dst_lookup_tail() 2016-01-29 20:31:26 -08:00
ip6_tunnel.h net: replace dst_cache ip6_tunnel implementation with the generic one 2016-02-16 20:21:48 -05:00
ip_fib.h route: check and remove route cache when we get route 2016-02-18 11:31:36 -05:00
ip_tunnels.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-02-23 00:09:14 -05:00
ip_vs.h ipvs: Remove skb_sknet 2015-09-24 09:34:43 +09:00
ipcomp.h
ipconfig.h
ipv6.h ipv6: Annotate change of locking mechanism for np->opt 2016-02-18 15:27:25 -05:00
ipx.h switch ipxrtr_route_packet() from iovec to msghdr 2014-11-24 04:28:49 -05:00
iw_handler.h cfg80211/wext: fix message ordering 2016-01-29 17:13:43 +01:00
l3mdev.h net: l3mdev: address selection should only consider devices in L3 domain 2016-02-26 14:22:26 -05:00
lapb.h
lib80211.h lib80211: remove unused print_ssid() 2014-10-14 02:18:27 +02:00
llc.h
llc_c_ac.h
llc_c_ev.h
llc_c_st.h llc: Make llc_conn_ev_qfyr_t function pointer arrays const 2014-12-10 15:21:24 -05:00
llc_conn.h net: Pass kern from net_proto_family.create to sk_alloc 2015-05-11 10:50:17 -04:00
llc_if.h
llc_pdu.h
llc_s_ac.h
llc_s_ev.h
llc_s_st.h llc: Make llc_sap_action_t function pointer arrays const 2014-12-10 15:21:24 -05:00
llc_sap.h
lwtunnel.h lwtunnel: autoload of lwt modules 2016-02-21 22:00:28 -05:00
mac80211.h mac80211: move MU_MIMO_OWNER flag to ieee80211_vif 2016-02-24 09:04:40 +01:00
mac802154.h mac802154: fix mac header length check 2016-02-23 20:29:39 +01:00
mip6.h
mld.h ipv6: mld: answer mldv2 queries with mldv1 reports in mldv1 fallback 2014-09-22 16:23:15 -04:00
mpls.h openvswitch: Add basic MPLS support to kernel 2014-11-05 23:52:33 -08:00
mpls_iptunnel.h mpls: multipath route support 2015-10-23 06:26:42 -07:00
mrp.h
ndisc.h Revert "ipv6: ndisc: inherit metadata dst when creating ndisc requests" 2015-12-01 15:07:59 -05:00
neighbour.h net: add explicit logging and stat for neighbour table overflow 2015-08-10 13:46:21 -07:00
net_namespace.h netfilter: cttimeout: add netns support 2015-12-14 12:48:58 +01:00
net_ratelimit.h
netevent.h
netlabel.h netlabel: fix the netlbl_catmap_setlong() dummy function 2014-08-07 20:55:21 -04:00
netlink.h netlink: add nla_get for le32 and le64 2015-09-30 13:16:44 +02:00
netprio_cgroup.h net: wrap sock->sk_cgrp_prioidx and ->sk_classid inside a struct 2015-12-08 22:02:33 -05:00
netrom.h
nexthop.h
nl802154.h nl802154: add support for security layer 2015-09-30 13:16:44 +02:00
p8022.h
ping.h sock: struct proto hash function may error 2016-02-11 03:54:14 -05:00
pkt_cls.h net: sched: cls_u32 add bit to specify software only rules 2016-03-01 16:05:39 -05:00
pkt_sched.h net: sched: consolidate tc_classify{,_compat} 2015-08-27 14:18:48 -07:00
protocol.h udp: restrict offloads to one namespace 2016-01-10 17:28:24 -05:00
psnap.h
raw.h sock: struct proto hash function may error 2016-02-11 03:54:14 -05:00
rawv6.h
red.h
regulatory.h cfg80211: allow wiphy specific regdomain management 2014-12-17 11:49:55 +01:00
request_sock.h net: add inet_sk_transparent() helper 2015-12-22 17:03:05 -05:00
rose.h
route.h ipv4: Namespaceify ip_default_ttl sysctl knob 2016-02-16 20:42:54 -05:00
rtnetlink.h netlink: Rightsize IFLA_AF_SPEC size calculation 2015-10-21 19:15:20 -07:00
sch_generic.h net: sched: use pfifo_fast for non real queues 2016-03-03 17:38:46 -05:00
scm.h unix: correctly track in-flight fds in sending process user_struct 2016-02-08 10:30:42 -05:00
secure_seq.h inetpeer: get rid of ip_id_count 2014-06-02 11:00:41 -07:00
slhc_vj.h
snmp.h Merge branch 'for-3.18-consistent-ops' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu 2014-10-15 07:48:18 +02:00
sock.h sock: struct proto hash function may error 2016-02-11 03:54:14 -05:00
sock_reuseport.h soreuseport: fix NULL ptr dereference SO_REUSEPORT after bind 2016-01-19 14:44:23 -05:00
Space.h
stp.h
switchdev.h switchdev: Adding MDB entry offload 2016-01-10 16:50:20 -05:00
tcp.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-02-23 00:09:14 -05:00
tcp_states.h inet: add TCP_NEW_SYN_RECV state 2015-03-12 22:58:12 -04:00
timewait_sock.h inet: remove BUG_ON() in twsk_destructor() 2015-07-09 15:12:20 -07:00
transp_v6.h
tso.h net: tso: add support for IPv6 2015-10-26 22:24:22 -07:00
udp.h sock: struct proto hash function may error 2016-02-11 03:54:14 -05:00
udp_tunnel.h net: ip_tunnel: remove 'csum_help' argument to iptunnel_handle_offloads 2016-02-12 05:52:16 -05:00
udplite.h net: switch memcpy_fromiovec()/memcpy_fromiovecend() users to copy_from_iter() 2015-02-04 01:34:15 -05:00
vsock_addr.h
vxlan.h VXLAN: Support outer IPv4 Tx checksums by default 2016-02-21 22:05:50 -05:00
wext.h
wimax.h net: treewide: Fix typo found in DocBook/networking.xml 2014-09-05 17:35:28 -07:00
x25.h
x25device.h
xfrm.h xfrm: add rcu protection to sk->sk_policy[] 2015-12-11 19:22:06 -05:00