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linux-next/net/core
Patrick McHardy afdc3238ec [RTNETLINK]: Add nested compat attribute
Add a nested compat attribute type that can be used to convert
attributes that contain a structure to nested attributes in a
backwards compatible way.

The attribute looks like this:

struct {
        [ compat contents ]
        struct rtattr {
                .rta_len        = total size,
                .rta_type       = type,
        } rta;
        struct old_structure struct;

        [ nested top-level attribute ]
        struct rtattr {
                .rta_len        = nest size,
                .rta_type       = type,
        } nest_attr;

        [ optional 0 .. n nested attributes ]
        struct rtattr {
                .rta_len        = private attribute len,
                .rta_type       = private attribute typ,
        } nested_attr;
        struct nested_data data;
};

Since both userspace and kernel deal correctly with attributes that are
larger than expected old versions will just parse the compat part and
ignore the rest.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2007-07-10 22:15:39 -07:00
..
datagram.c [NET]: Revert sk_buff walker cleanups. 2007-04-27 15:21:23 -07:00
dev_mcast.c [NET]: Rework dev_base via list_head (v3) 2007-05-03 15:13:45 -07:00
dev.c [NET]: Re-enable irqs before pushing pending DMA requests 2007-06-23 23:09:23 -07:00
dst.c [NET]: Merge dst_discard_in and dst_discard_out. 2007-06-07 13:39:46 -07:00
ethtool.c [NET] core: whitespace cleanup 2007-04-25 22:24:09 -07:00
fib_rules.c [RTNETLINK]: Remove unnecessary locking in dump callbacks 2007-04-25 22:29:05 -07:00
filter.c [SK_BUFF]: Convert skb->tail to sk_buff_data_t 2007-04-25 22:26:28 -07:00
flow.c Add suspend-related notifications for CPU hotplug 2007-05-09 12:30:56 -07:00
gen_estimator.c [NET] CORE: Fix whitespace errors. 2007-02-10 23:19:25 -08:00
gen_stats.c [SK_BUFF]: Convert skb->tail to sk_buff_data_t 2007-04-25 22:26:28 -07:00
iovec.c [PATCH] remove many unneeded #includes of sched.h 2007-02-14 08:09:54 -08:00
kmap_skb.h [PATCH] severing skbuff.h -> highmem.h 2006-12-04 02:00:29 -05:00
link_watch.c [NET] link_watch: Always schedule urgent events 2007-05-10 23:45:28 -07:00
Makefile [WEXT]: Move to net/wireless 2007-04-26 20:42:51 -07:00
neighbour.c [NETLINK]: Mark netlink policies const 2007-06-07 13:40:10 -07:00
net-sysfs.c [NET]: Fix race condition about network device name allocation. 2007-05-19 15:39:25 -07:00
netevent.c [NET]: net/core/netevent.c should #include <net/netevent.h> 2007-07-05 17:40:27 -07:00
netpoll.c [NETPOLL]: Fixups for 'fix soft lockup when removing module' 2007-07-05 17:42:44 -07:00
pktgen.c header cleaning: don't include smp_lock.h when not used 2007-05-08 11:15:07 -07:00
request_sock.c [NET]: Size listen hash tables using backlog hint 2006-12-02 21:21:44 -08:00
rtnetlink.c [RTNETLINK]: Add nested compat attribute 2007-07-10 22:15:39 -07:00
scm.c [NET] CORE: Fix whitespace errors. 2007-02-10 23:19:25 -08:00
skbuff.c [SKBUFF]: Keep track of writable header len of headerless clones 2007-07-10 22:15:37 -07:00
sock.c [NET] gso: Fix GSO feature mask in sk_setup_caps 2007-06-03 18:08:49 -07:00
stream.c [NET] CORE: Fix whitespace errors. 2007-02-10 23:19:25 -08:00
sysctl_net_core.c [XFRM]: Allow XFRM_ACQ_EXPIRES to be tunable via sysctl. 2007-05-31 01:23:23 -07:00
user_dma.c [NET]: Revert sk_buff walker cleanups. 2007-04-27 15:21:23 -07:00
utils.c [NET]: parse ip:port strings correctly in in4_pton 2007-05-31 01:23:27 -07:00