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fe30937b65354c7fec244caebbdaae68e28ca797
linux/include/net
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Eric Dumazet fe30937b65 bonding: fix bond_get_stats() 
bond_get_stats() can be called from rtnetlink (with RTNL held)
or from /proc/net/dev seq handler (with RCU held)

The logic added in commit 5f0c5f73e5 ("bonding: make global bonding
stats more reliable") kind of assumed only one cpu could run there.

If multiple threads are reading /proc/net/dev, stats can be really
messed up after a while.

A second problem is that some fields are 32bit, so we need to properly
handle the wrap around problem.

Given that RTNL is not always held, we need to use
bond_for_each_slave_rcu().

Fixes: 5f0c5f73e5 ("bonding: make global bonding stats more reliable")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Andy Gospodarek <gospo@cumulusnetworks.com>
Cc: Jay Vosburgh <j.vosburgh@gmail.com>
Cc: Veaceslav Falico <vfalico@gmail.com>
Reviewed-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-18 23:14:15 -04:00
..
9p
9p: switch p9_client_read() to passing struct iov_iter *
2015-04-11 22:28:27 -04:00
bluetooth
Bluetooth: Add support for limited privacy mode
2016-03-10 19:51:30 +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: nft_masq: support port range
2016-03-02 20:05:27 +01:00
netns
ipv6: per netns FIB garbage collection
2016-03-08 15:16:51 -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: allow sctp_transmit_packet and others to use gfp
2016-03-13 22:29:07 -04:00
tc_act
net/act_skbedit: Utility functions for mark action
2016-03-10 16:24:02 -05:00
6lowpan.h
6lowpan: iphc: add support for stateful compression
2016-02-23 20:29:40 +01:00
act_api.h
net/sched: Macro instead of CONFIG_NET_CLS_ACT ifdef
2016-03-10 16:24:02 -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_rxrpc.h: Remove extern from function prototypes
2013-07-31 17:50:01 -07:00
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: fix bond_get_stats()
2016-03-18 23:14:15 -04:00
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
csum: Update csum_block_add to use rotate instead of byteswap
2016-03-13 15:01:00 -04:00
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
net: Move prototype declaration to header file include/net/datalink.h from net/ipx/af_ipx.c
2014-02-09 17:32:50 -08:00
dcbevent.h
include/net/: Fix FSF address in file headers
2013-12-06 12:37:56 -05:00
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_dev.h
dn_dev: add support for IFA_FLAGS nl attribute
2013-12-10 21:50:00 -05:00
dn_fib.h
decnet (dn*.h): Remove extern from function prototypes
2013-09-20 14:49:32 -04:00
dn_neigh.h
netfilter: Pass net into okfn
2015-09-17 17:18:37 -07:00
dn_nsp.h
decnet (dn*.h): Remove extern from function prototypes
2013-09-20 14:49:32 -04:00
dn_route.h
net: Move prototype declaration to appropriate header file from decnet/af_decnet.c
2014-02-09 17:32:49 -08:00
dn.h
net: Move prototype declaration to header file include/net/dn.h from net/decnet/af_decnet.c
2014-02-09 17:32:49 -08:00
dsa.h
net: dsa: make port_bridge_leave return void
2016-03-14 16:05:31 -04:00
dsfield.h
…
dst_cache.h
net: add dst_cache support
2016-02-16 20:21:48 -05:00
dst_metadata.h
ip_tunnel: add support for setting flow label via collect metadata
2016-03-11 15:14:26 -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
dst.h
bpf, dst: add and use dst_tclassid helper
2016-03-18 19:38:46 -04:00
esp.h
net: move pskb_put() to core code
2013-11-07 19:28:58 -05:00
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_dissector.h
net/flow_dissector: Make dissector_uses_key() and skb_flow_dissector_target() public
2016-03-10 16:24:02 -05:00
flow.h
net: Rename FLOWI_FLAG_VRFSRC to FLOWI_FLAG_L3MDEV_SRC
2015-10-07 04:27:42 -07:00
flowcache.h
flowcache: Make flow cache name space aware
2014-02-12 07:02:11 +01:00
fou.h
ip_tunnel: Ops registration for secondary encap (fou, gue)
2014-11-12 15:01:35 -05:00
garp.h
garp.h: Remove extern from function prototypes
2013-09-20 14:49:33 -04:00
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
hwbm.h
net: add a hardware buffer management helper API
2016-03-14 12:19:46 -04:00
icmp.h
icmp.h: Remove extern from function prototypes
2013-09-20 14:49:33 -04:00
ieee80211_radiotap.h
mac80211: propagate STBC / LDPC flags to radiotap
2014-02-06 09:34:58 +01:00
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
ip6_checksum.h
ipv6: Pass proto to csum_ipv6_magic as __u8 instead of unsigned short
2016-03-13 23:55:13 -04:00
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
ip_tunnels, bpf: define IP_TUNNEL_OPTS_MAX and use it
2016-03-18 19:38:46 -04:00
ip_vs.h
ipvs: drop first packet to redirect conntrack
2016-03-07 11:53:30 +09:00
ip.h
net: ipv4: Convert IP network timestamps to be y2038 safe
2016-03-01 17:18:44 -05:00
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
kcm.h
kcm: mark helper functions inline
2016-03-10 14:42:03 -05:00
l3mdev.h
net: l3mdev: address selection should only consider devices in L3 domain
2016-02-26 14:22:26 -05:00
lapb.h
lapb.h: Remove extern from function prototypes
2013-09-21 14:01:38 -04:00
lib80211.h
lib80211: remove unused print_ssid()
2014-10-14 02:18:27 +02:00
llc_c_ac.h
llc*.h: Remove extern from function prototypes
2013-09-21 14:01:38 -04:00
llc_c_ev.h
llc*.h: Remove extern from function prototypes
2013-09-21 14:01:38 -04:00
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*.h: Remove extern from function prototypes
2013-09-21 14:01:38 -04:00
llc_pdu.h
net: llc: fix order of evaluation in llc_conn_ac_inc_vr_by_1
2014-01-01 22:22:43 -05:00
llc_s_ac.h
llc*.h: Remove extern from function prototypes
2013-09-21 14:01:38 -04:00
llc_s_ev.h
llc*.h: Remove extern from function prototypes
2013-09-21 14:01:38 -04:00
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
llc*.h: Remove extern from function prototypes
2013-09-21 14:01:38 -04:00
llc.h
llc: make lock static
2014-01-03 20:56:48 -05:00
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: use put and get unaligned functions
2016-03-10 19:51:28 +01:00
mip6.h
include/net/: Fix FSF address in file headers
2013-12-06 12:37:56 -05:00
mld.h
ipv6: mld: answer mldv2 queries with mldv1 reports in mldv1 fallback
2014-09-22 16:23:15 -04:00
mpls_iptunnel.h
mpls: multipath route support
2015-10-23 06:26:42 -07:00
mpls.h
openvswitch: Add basic MPLS support to kernel
2014-11-05 23:52:33 -08:00
mrp.h
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2013-10-01 17:06:14 -04:00
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
netevent/netlink.h: Remove extern from function prototypes
2013-09-21 14:01:39 -04:00
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
netrom.h: Remove extern from function prototypes
2013-09-21 14:01:39 -04:00
nexthop.h
…
nl802154.h
nl802154: add support for security layer
2015-09-30 13:16:44 +02:00
p8022.h
p8022.h: Remove extern from function prototypes
2013-09-21 14:01:39 -04:00
ping.h
sock: struct proto hash function may error
2016-02-11 03:54:14 -05:00
pkt_cls.h
net/flower: Fix pointer cast
2016-03-11 12:04:37 -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
psnap.h: Remove extern from function prototypes
2013-09-23 01:51:08 -04:00
raw.h
sock: struct proto hash function may error
2016-02-11 03:54:14 -05:00
rawv6.h
raw/rawv6.h: Remove extern from function prototypes
2013-09-23 01:51:08 -04:00
red.h
reciprocal_divide: update/correction of the algorithm
2014-01-21 23:17:20 -08:00
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
rose.h: Remove extern from function prototypes
2013-09-23 01:51:08 -04:00
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_reuseport.h
soreuseport: fix NULL ptr dereference SO_REUSEPORT after bind
2016-01-19 14:44:23 -05:00
sock.h
sock: struct proto hash function may error
2016-02-11 03:54:14 -05:00
Space.h
drivers: net: Include new header file in sbni.c
2013-12-19 18:51:20 -05:00
stp.h
stp.h: Remove extern from function prototypes
2013-09-23 01:51:09 -04:00
switchdev.h
switchdev: Adding MDB entry offload
2016-01-10 16:50:20 -05:00
tcp_states.h
inet: add TCP_NEW_SYN_RECV state
2015-03-12 22:58:12 -04:00
tcp.h
tcp: Add RFC4898 tcpEStatsPerfDataSegsOut/In
2016-03-14 14:55:26 -04:00
timewait_sock.h
inet: remove BUG_ON() in twsk_destructor()
2015-07-09 15:12:20 -07:00
transp_v6.h
ipv6: make IPV6_RECVPKTINFO work for ipv4 datagrams
2014-01-19 19:53:18 -08:00
tso.h
net: tso: add support for IPv6
2015-10-26 22:24:22 -07:00
udp_tunnel.h
ip_tunnel: add support for setting flow label via collect metadata
2016-03-11 15:14:26 -05:00
udp.h
sock: struct proto hash function may error
2016-02-11 03:54:14 -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
VSOCK: Move af_vsock.h and vsock_addr.h to include/net
2013-07-27 22:14:06 -07:00
vxlan.h
vxlan: support setting IPv6 flow label
2016-03-11 15:14:26 -05:00
wext.h
wext.h: Remove extern from function prototypes
2013-09-23 16:29:40 -04:00
wimax.h
net: treewide: Fix typo found in DocBook/networking.xml
2014-09-05 17:35:28 -07:00
x25.h
x25.h: Remove extern from function prototypes
2013-09-23 16:29:41 -04:00
x25device.h
…
xfrm.h
xfrm: add rcu protection to sk->sk_policy[]
2015-12-11 19:22:06 -05:00