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linux/net
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Oliver Hartkopp 153fa24b8f can: replace timestamp as unique skb attribute 
commit d3b58c47d3 upstream.

Commit 514ac99c64 "can: fix multiple delivery of a single CAN frame for
overlapping CAN filters" requires the skb->tstamp to be set to check for
identical CAN skbs.

Without timestamping to be required by user space applications this timestamp
was not generated which lead to commit 36c01245eb "can: fix loss of CAN frames
in raw_rcv" - which forces the timestamp to be set in all CAN related skbuffs
by introducing several __net_timestamp() calls.

This forces e.g. out of tree drivers which are not using alloc_can{,fd}_skb()
to add __net_timestamp() after skbuff creation to prevent the frame loss fixed
in mainline Linux.

This patch removes the timestamp dependency and uses an atomic counter to
create an unique identifier together with the skbuff pointer.

Btw: the new skbcnt element introduced in struct can_skb_priv has to be
initialized with zero in out-of-tree drivers which are not using
alloc_can{,fd}_skb() too.

Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2015-08-10 12:21:51 -07:00
..
6lowpan 6lowpan: nhc: add other known rfc6282 compressions 2015-02-14 23:08:44 +01:00
9p p9_client_write(): avoid double p9_free_req() 2015-08-03 09:29:18 -07:00
802 net: Kill dev_rebuild_header 2015-03-02 16:43:41 -05:00
8021q vlan: Correctly propagate promisc|allmulti flags in notifier. 2015-05-14 00:54:32 -04:00
appletalk appletalk: Use eth_<foo>_addr instead of memset 2015-03-03 17:01:37 -05:00
atm Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2015-04-15 09:00:47 -07:00
ax25 ax25: Fix the build when CONFIG_INET is disabled 2015-03-05 13:17:39 -05:00
batman-adv dev: introduce dev_get_iflink() 2015-04-02 14:04:59 -04:00
bluetooth Bluetooth: Fix race condition with user channel and setup stage 2015-08-03 09:28:58 -07:00
bridge bridge: fix br_stp_set_bridge_priority race conditions 2015-07-10 09:49:28 -07:00
caif unix/caif: sk_socket can disappear when state is unlocked 2015-05-26 23:19:29 -04:00
can can: replace timestamp as unique skb attribute 2015-08-10 12:21:51 -07:00
ceph crush: fix a bug in tree bucket decode 2015-08-03 09:29:14 -07:00
core neigh: do not modify unlinked entries 2015-07-10 09:49:29 -07:00
dcb net/dcb: Add IEEE QCN attribute 2015-03-06 21:50:02 -05:00
dccp inet: fix possible panic in reqsk_queue_unlink() 2015-04-24 11:39:15 -04:00
decnet netfilter: Pass socket pointer down through okfn(). 2015-04-07 15:25:55 -04:00
dns_resolver Merge commit 'v3.16' into next 2014-10-01 00:44:04 +10:00
dsa net: dsa: Properly propagate errors from dsa_switch_setup_one 2015-05-31 21:50:34 -07:00
ethernet ethernet: Use eth_<foo>_addr instead of memset 2015-03-03 17:01:38 -05:00
hsr net/hsr: Fix NULL pointer dereference and refcnt bugs when deleting a HSR interface. 2015-03-01 13:40:23 -05:00
ieee802154 ieee802154: Fix sockaddr_ieee802154 implicit padding information leak. 2015-08-03 09:28:59 -07:00
ipv4 ip: report the original address of ICMP messages 2015-07-10 09:49:30 -07:00
ipv6 ip: report the original address of ICMP messages 2015-07-10 09:49:30 -07:00
ipx net: Remove iocb argument from sendmsg and recvmsg 2015-03-02 13:06:31 -05:00
irda Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-03-09 23:38:02 -04:00
iucv Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-04-02 16:16:53 -04:00
key xfrm: simplify xfrm_address_t use 2015-03-31 13:58:35 -04:00
l2tp Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-04-06 22:34:15 -04:00
lapb lapb: move EXPORT_SYMBOL after functions. 2014-10-24 15:51:42 -04:00
llc net: Remove iocb argument from sendmsg and recvmsg 2015-03-02 13:06:31 -05:00
mac80211 mac80211: prevent possible crypto tx tailroom corruption 2015-08-03 09:29:16 -07:00
mac802154 Merge branch 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth 2015-05-09 15:51:00 -04:00
mpls mpls: handle device renames for per-device sysctls 2015-06-11 16:47:16 -07:00
netfilter netfilter: nfnetlink_{log,queue}: Register pernet in first place 2015-05-20 13:46:48 +02:00
netlabel netlink: implement nla_put_in_addr and nla_put_in6_addr 2015-03-31 13:58:35 -04:00
netlink netlink: Reset portid after netlink_insert failure 2015-05-16 17:08:57 -04:00
netrom net: Kill dev_rebuild_header 2015-03-02 16:43:41 -05:00
nfc nfc: Fix portid type in urelease_work 2015-04-13 16:35:16 -04:00
openvswitch openvswitch: disable LRO 2015-06-03 19:39:35 -07:00
packet packet: avoid out of bounds read in round robin fanout 2015-07-10 09:49:28 -07:00
phonet net: Remove iocb argument from sendmsg and recvmsg 2015-03-02 13:06:31 -05:00
rds net/rds: RDS-TCP: only initiate reconnect attempt on outgoing TCP socket. 2015-05-09 16:03:28 -04:00
rfkill Last round of updates for net-next: 2015-02-04 14:57:45 -08:00
rose net: Kill dev_rebuild_header 2015-03-02 16:43:41 -05:00
rxrpc new helper: msg_data_left() 2015-04-11 15:53:35 -04:00
sched net_sched: invoke ->attach() after setting dev->qdisc 2015-05-27 14:09:55 -04:00
sctp sctp: Fix race between OOTB responce and route removal 2015-07-10 09:49:31 -07:00
sunrpc SUNRPC: Fix a memory leak in the backchannel code 2015-08-03 09:29:17 -07:00
switchdev rename RTNH_F_EXTERNAL to RTNH_F_OFFLOAD 2015-05-14 22:45:39 -04:00
tipc tipc: disconnect socket directly after probe failure 2015-06-10 22:05:20 -07:00
unix unix/caif: sk_socket can disappear when state is unlocked 2015-05-26 23:19:29 -04:00
vmw_vsock net: Remove iocb argument from sendmsg and recvmsg 2015-03-02 13:06:31 -05:00
wimax wimax: convert printk to pr_foo() 2014-10-07 20:28:44 -04:00
wireless cfg80211: ignore netif running state when changing iftype 2015-08-03 09:29:16 -07:00
x25 net: Remove iocb argument from sendmsg and recvmsg 2015-03-02 13:06:31 -05:00
xfrm xfrm: Override skb->mark with tunnel->parm.i_key in xfrm_input 2015-05-28 06:23:31 +02:00
compat.c net: switch importing msghdr from userland to {compat_,}import_iovec() 2015-04-09 00:02:26 -04:00
Kconfig kconfig: use bool instead of boolean for type definition attributes 2015-01-07 13:08:04 +01:00
Makefile mpls: Refactor how the mpls module is built 2015-03-04 00:26:06 -05:00
socket.c VFS: net/: d_inode() annotations 2015-04-15 15:06:56 -04:00
sysctl_net.c net: Update the sysctl permissions handler to test effective uid/gid 2013-10-07 15:57:56 -04:00