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remarkable-linux/net
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Patrick McHardy f9c2288837 netlink: implement memory mapped recvmsg() 
Add support for mmap'ed recvmsg(). To allow the kernel to construct messages
into the mapped area, a dataless skb is allocated and the data pointer is
set to point into the ring frame. This means frames will be delivered to
userspace in order of allocation instead of order of transmission. This
usually doesn't matter since the order is either not determinable by
userspace or message creation/transmission is serialized. The only case
where this can have a visible difference is nfnetlink_queue. Userspace
can't assume mmap'ed messages have ordered IDs anymore and needs to check
this if using batched verdicts.

For non-mapped sockets, nothing changes.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-19 14:57:58 -04:00
..
9p Revert parts of "hlist: drop the node parameter from iterators" 2013-03-08 15:05:34 -08:00
802 802: fix a possible race condition 2013-04-07 17:04:17 -04:00
8021q net: vlan: add 802.1ad support 2013-04-19 14:46:06 -04:00
appletalk
atm Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2013-04-07 18:37:01 -04:00
ax25 ax25: fix info leak via msg_name in ax25_recvmsg() 2013-04-07 16:28:00 -04:00
batman-adv net: vlan: add protocol argument to packet tagging functions 2013-04-19 14:46:06 -04:00
bluetooth Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem 2013-04-10 10:39:27 -04:00
bridge net: vlan: add protocol argument to packet tagging functions 2013-04-19 14:46:06 -04:00
caif Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2013-04-07 18:37:01 -04:00
can net: sock: make sock_tx_timestamp void 2013-04-14 15:41:49 -04:00
ceph Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client 2013-03-12 09:22:42 -07:00
core net: add function to allocate sk_buff head without data area 2013-04-19 14:57:57 -04:00
dcb rtnetlink: Remove passing of attributes into rtnl_doit functions 2013-03-22 10:31:16 -04:00
dccp tcp: Remove TCPCT 2013-03-17 14:35:13 -04:00
decnet decnet: remove duplicated include from dn_table.c 2013-04-07 17:12:01 -04:00
dns_resolver
dsa dsa: fix freeing of sparse port allocation 2013-03-25 12:23:41 -04:00
ethernet net: add ETH_P_802_3_MIN 2013-03-28 01:20:42 -04:00
ieee802154 ieee802154/nl-mac.c: make some MLME operations optional 2013-04-08 12:00:16 -04:00
ipv4 netlink: rename ssk to sk in struct netlink_skb_params 2013-04-19 14:57:56 -04:00
ipv6 net: sock: make sock_tx_timestamp void 2013-04-14 15:41:49 -04:00
ipx
irda TTY: ircomm, use GFP_KERNEL in ircomm_open() 2013-04-08 12:09:18 -04:00
iucv Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2013-04-07 18:37:01 -04:00
key Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec 2013-03-27 14:07:04 -04:00
l2tp Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2013-04-07 18:37:01 -04:00
lapb
llc llc: Fix missing msg_namelen update in llc_ui_recvmsg() 2013-04-07 16:28:01 -04:00
mac80211 Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem 2013-04-10 10:39:27 -04:00
mac802154 mac802154: Keep track of the channel when changed 2013-04-08 12:09:18 -04:00
netfilter netlink: rename ssk to sk in struct netlink_skb_params 2013-04-19 14:57:56 -04:00
netlabel netlabel: fix build problems when CONFIG_IPV6=n 2013-03-08 11:33:51 -05:00
netlink netlink: implement memory mapped recvmsg() 2013-04-19 14:57:58 -04:00
netrom netrom: fix info leak via msg_name in nr_recvmsg() 2013-04-07 16:28:02 -04:00
nfc Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless 2013-04-10 09:31:39 -04:00
openvswitch net: vlan: add protocol argument to packet tagging functions 2013-04-19 14:46:06 -04:00
packet packet: minor: add generic tpacket_uhdr to access packet headers 2013-04-16 16:43:34 -04:00
phonet rtnetlink: Remove passing of attributes into rtnl_doit functions 2013-03-22 10:31:16 -04:00
rds net/rds: zero last byte for strncpy 2013-03-08 00:35:44 -05:00
rfkill
rose rose: fix info leak via msg_name in rose_recvmsg() 2013-04-07 16:28:02 -04:00
rxrpc
sched netlink: rename ssk to sk in struct netlink_skb_params 2013-04-19 14:57:56 -04:00
sctp net: sctp: sctp_ulpq: remove 'malloced' struct member 2013-04-17 14:13:02 -04:00
sunrpc NFS client bugfixes for Linux 3.9 2013-03-26 14:23:45 -07:00
tipc tipc: add InfiniBand media type 2013-04-17 14:18:33 -04:00
unix scm: Stop passing struct cred 2013-04-07 18:58:55 -04:00
vmw_vsock Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2013-04-07 18:37:01 -04:00
wimax
wireless Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem 2013-04-10 10:39:27 -04:00
x25
xfrm Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next 2013-04-11 16:14:37 -04:00
compat.c
Kconfig netlink: mmaped netlink: ring setup 2013-04-19 14:57:57 -04:00
Makefile
nonet.c
socket.c net: sock: make sock_tx_timestamp void 2013-04-14 15:41:49 -04:00
sysctl_net.c