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The initialization of the sysctl for the ipv6 protocol is changed to a
network namespace subsystem. That means when a new network namespace
is created the initialization function for the sysctl will be called.
That do not change the behavior of the sysctl in case of the kernel
with the network namespace disabled.
Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Like the ipv4 part, this patch adds an ipv6 structure in the net
structure to aggregate the different resources to make ipv6 per
namespace.
Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch add a network namespace subsystem for the af_inet6 module.
It does nothing right now, but one of its purpose is to receive the
different variables for sysctl in order to initialize them.
When the sysctl variable will be moved to the network namespace
structure, they will be no longer initialized as global static
variables, so we must find a place to initialize them. Because the
sysctl can be disabled, it has no sense to store them in the
sysctl_net_ipv6 file.
Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch makes the function ipv6_sysctl_register to return a
value. The af_inet6 init function is now able to handle an error and
catch it from the initialization of the sysctl.
Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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and select the crypto subsystem if neccessary
Signed-off-by: Sebastian Siewior <sebastian@breakpoint.cc>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Remove two unused macros, INV_FLAG and SET_BITMASK
from net/bridge/netfilter/ebt_vlan.c.
Signed-off-by: Rami Rosen <ramirose@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The conntracks subsystem has a similar infrastructure
to maintain ctl_paths, but since we already have it
on the generic level, I think it's OK to switch to
using it.
So, basically, this patch just replaces the ctl_table-s
with ctl_path-s, nf_register_sysctl_table with
register_sysctl_paths() and removes no longer needed code.
After this the net/netfilter/nf_sysctl.c file contains
the paths only.
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Acked-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This includes the most simple cases for netfilter.
The first part is tne queue modules for ipv4 and ipv6,
on which the net/ipv4/ and net/ipv6/ paths are reused
from the appropriate ipv4 and ipv6 code.
The conntrack module is also patched, but this hunk is
very small and simple.
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Acked-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This one is almost the same as the hunks in the
first patch, but ax25 tables are created dynamically.
So this patch differs a bit to handle this case.
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The decnet includes two places to patch. The first one is
the net/decnet table itself, and it is patched just like
other subsystems in the first patch in this series.
The second place is a bit more complex - it is the
net/decnet/conf/xxx entries,. similar to those in
ipv4/devinet.c and ipv6/addrconf.c. This code is made similar
to those in ipv[46].
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The feature of ipvs ctls is that the net/ipv4/vs path
is common for core ipvs ctls and for two schedulers,
so I make it exported and re-use it in modules.
Two other .c files required linux/sysctl.h to make the
extern declaration of this path compile well.
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Acked-by: Simon Horman <horms@verge.net.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch includes many places, that only required
replacing the ctl_table-s with appropriate ctl_paths
and call register_sysctl_paths().
Nothing special was done with them.
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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- The DNAT (Destination NAT) is not implemented in IPV4.
- This patch remove the code which checks these flags
in net/ipv4/arp.c and net/ipv4/route.c.
The RTCF_NAT and RTCF_NAT should stay in the header (linux/in_route.h)
because they are used in DECnet.
Signed-off-by: Rami Rosen <ramirose@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We can avoid divides (as seen with CONFIG_CC_OPTIMIZE_FOR_SIZE=y on
x86) changing vlan_group_get_device()/vlan_group_set_device() id
parameter from signed to unsigned.
Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The file net/tipc/port.c takes a lock using the function tipc_port_lock and
then releases the lock sometimes using tipc_port_unlock and sometimes using
spin_unlock_bh(p_ptr->publ.lock). tipc_port_unlock simply does the
spin_unlock_bh, but it seems cleaner to use it everywhere.
The problem was fixed using the following semantic patch.
(http://www.emn.fr/x-info/coccinelle/)
// <smpl>
@@
struct port *p_ptr;
@@
p_ptr = tipc_port_lock(...)
...
(
p_ptr = tipc_port_lock(...);
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?- spin_unlock_bh(p_ptr->publ.lock);
+ tipc_port_unlock(p_ptr);
)
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Acked-by: Jon Paul Maloy <maloy@donjonn.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Some devices have a seperate LED which indicates if the radio is
enabled or not. This adds a LED trigger to mac80211 where drivers
can hook into when they are interested in radio status changes.
v2: Check hw.conf.radio_enabled when calling start().
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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I would argue that mac80211 should handle fixed rates outside the rate
control code, which would also allow them to take effect immediately
instead of during the rate control callback, but this is pretty close
to correct.
Signed-Off-By: Andy Lutomirski <luto@myrealbox.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch changes mac80211's Kconfig/Makefile to:
* select between the PID and the SIMPLE rate control
algorithm as default
* always allow tri-state for the rate control algorithms,
building those that are selected 'y' into the mac80211
module (if that is a module, otherwise all into the kernel)
* force the default rate control algorithm to be built into
mac80211
It also makes both rate control algorithms proper modules again
with MODULE_LICENSE etc.
Only if EMBEDDED is the user allowed to select "NONE" as default
which will cause no algorithm to be selected, this will work
only when the driver brings one itself (e.g. iwlwifi drivers).
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch opens the flow to DELBA management frames, and handles end
of A-MPDU session produced by this event.
Signed-off-by: Ron Rindjunsky <ron.rindjunsky@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds the ability to handle Block Ack Request
Signed-off-by: Ron Rindjunsky <ron.rindjunsky@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch handles the reordering of the Rx A-MPDU.
This issue occurs when the sequence of the internal MPDUs is not in the
right order. such a case can be encountered for example when some MPDUs from
previous aggregations were recieved, while others failed, so current A-MPDU
will contain a mix of re-transmited MPDUs and new ones.
Signed-off-by: Ron Rindjunsky <ron.rindjunsky@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch initialize A-MPDU MLME data for Rx sessions.
Signed-off-by: Ron Rindjunsky <ron.rindjunsky@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds the basic needed abilities and functions for A-MPDU Rx session
changed functions:
- ieee80211_sta_process_addba_request - Rx A-MPDU initialization enabled
- ieee80211_stop - stops all A-MPDU Rx in case interface goes down
added functions:
- ieee80211_send_delba - used for sending out Del BA in A-MPDU sessions
- ieee80211_sta_stop_rx_BA_session - stopping Rx A-MPDU session
- sta_rx_agg_session_timer_expired - stops A-MPDU Rx use if load is too
low
Signed-off-by: Ron Rindjunsky <ron.rindjunsky@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds the needed structures to describe the Rx aggregation MLME per STA
new:
- struct tid_ampdu_rx: TID aggregation information (Rx)
- struct sta_ampdu_mlme: MLME aggregation information for STA
changed:
- struct sta_info: ampdu_mlme added to describe A-MPDU MLME per STA,
and timer_to_tid added to map timer id into TID
Signed-off-by: Ron Rindjunsky <ron.rindjunsky@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds the API to perform A-MPDU actions between mac80211 and low
level driver.
Signed-off-by: Ron Rindjunsky <ron.rindjunsky@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch makes a separation between Rx frame pre-handling which stays in
__ieee80211_rx and Rx frame handlers, moving to __ieee80211_rx_handle_packet.
Although this separation has no affect in regular mode of operation, this kind
of mechanism will be used in A-MPDU frames reordering as it allows accumulation
of frames during pre-handling, dispatching them to later handling when necessary.
Signed-off-by: Ron Rindjunsky <ron.rindjunsky@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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No need to not be.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Acked-by: Stefano Brivio <stefano.brivio@polimi.it>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix the rate control interval definition. Thanks to Mattias Nissler for
spotting this out.
Cc: Mattias Nissler <mattias.nissler@gmx.de>
Signed-off-by: Stefano Brivio <stefano.brivio@polimi.it>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When this function returns != CONTINUE, it needs to put the
station struct it has acquired. Hence, having this unused
variable is not just superfluous but also misleading.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add an entry in MAINTAINERS for rc80211-pid.
Cc: Mattias Nissler <mattias.nissler@gmx.de>
Signed-off-by: Stefano Brivio <stefano.brivio@polimi.it>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Set a better value for percentage target for failed frames. The previous value
slowed down too much rate increases in case of permanently low activity. While
at it, increase readability.
Signed-off-by: Stefano Brivio <stefano.brivio@polimi.it>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix a bug which caused uncorrect refcounting of PHYs in mac80211. Thanks to
Johannes Berg for spotting this out.
Cc: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Stefano Brivio <stefano.brivio@polimi.it>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Simplify and fix rate_control_pid_shift_adjust(). A bug prevented correct
mapping of sorted rates, and readability was seriously flawed.
Signed-off-by: Stefano Brivio <stefano.brivio@polimi.it>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a kerneldoc description for parameters which are tunable through debugfs.
Signed-off-by: Stefano Brivio <stefano.brivio@polimi.it>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Export the non-shifted target_pf value to debugfs, so that it's human-readable.
Signed-off-by: Stefano Brivio <stefano.brivio@polimi.it>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch fixes a problem with rx handling on multiple interfaces. Especially
when using hardware-scanning and a wireless driver (i.e. iwlwifi) which is
able to receive data while scanning.
The rx handlers can modify the skb and the frame control field (see
ieee80211_rx_h_remove_qos_control) but since every interface gets its own
copy of the skb each should get its own copy of rx.fc too.
In my case the wlan0-interface did not remove the qos-control from the frame
because the corresponding flag in rx.fc was already removed while processing
the frame on the master interface. Therefore somehow corrupted frames were
passed to the userspace.
Signed-off-by: Helmut Schaa <hschaa@suse.de>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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xfrm_state_clone() is not used outside of net/xfrm/xfrm_state.c
There is no need to export it.
Spoted by sparse checker.
CHECK net/xfrm/xfrm_state.c
net/xfrm/xfrm_state.c:1103:19: warning: symbol 'xfrm_state_clone' was not
declared. Should it be static?
Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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CHECK net/packet/af_packet.c
net/packet/af_packet.c:1876:14: warning: context imbalance in 'packet_seq_start' - wrong count at exit
net/packet/af_packet.c:1888:13: warning: context imbalance in 'packet_seq_stop' - unexpected unlock
Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The function sockfd_lookup uses fget on the value that is stored in
the file field of the returned structure, so fput should ultimately be
applied to this value. This can be done directly, but it seems better
to use the specific macro sockfd_put, which does the same thing.
The problem was fixed using the following semantic patch.
(http://www.emn.fr/x-info/coccinelle/)
// <smpl>
@@
expression s;
@@
s = sockfd_lookup(...)
...
+ sockfd_put(s);
?- fput(s->file);
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The info placeholder member of dst_entry seems to be unused in the
network stack.
Signed-off-by: Rami Rosen <ramirose@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since __xfrm_policy_destroy is used to destory the resources
allocated by xfrm_policy_alloc. So using the name
__xfrm_policy_destroy is not correspond with xfrm_policy_alloc.
Rename it to xfrm_policy_destroy.
And along with some instances that call xfrm_policy_alloc
but not using xfrm_policy_destroy to destroy the resource,
fix them.
Signed-off-by: WANG Cong <xiyou.wangcong@gmail.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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o Increment PolError counter when flow_cache_lookup() returns
errored pointer.
o Increment NoStates counter at larval-drop.
Signed-off-by: Masahide NAKAMURA <nakam@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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It seems that ip_build_xmit is no longer used in here and
ip_append_data is used.
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Without a number of CONFIG.*DEBUG:
net/dccp/ccids/ccid3.c:
ccid3_hc_tx_update_x | -170
ccid3_hc_tx_packet_sent | -175
ccid3_hc_tx_packet_recv | -169
ccid3_hc_tx_no_feedback_timer | -192
ccid3_hc_tx_send_packet | -144
5 functions changed, 850 bytes removed, diff: -850
net/dccp/ccids/ccid3.c:
ccid3_update_send_interval | +191
1 function changed, 191 bytes added, diff: +191
net/dccp/ccids/ccid3.o:
6 functions changed, 191 bytes added, 850 bytes removed, diff: -659
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
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net/xfrm/xfrm_state.c:
xfrm_audit_state_delete | -589
xfrm_replay_check | -542
xfrm_audit_state_icvfail | -520
xfrm_audit_state_add | -589
xfrm_audit_state_replay_overflow | -523
xfrm_audit_state_notfound_simple | -509
xfrm_audit_state_notfound | -521
7 functions changed, 3793 bytes removed, diff: -3793
net/xfrm/xfrm_state.c:
xfrm_audit_helper_pktinfo | +522
xfrm_audit_helper_sainfo | +598
2 functions changed, 1120 bytes added, diff: +1120
net/xfrm/xfrm_state.o:
9 functions changed, 1120 bytes added, 3793 bytes removed, diff: -2673
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
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net/ipv4/ipvs/ip_vs_xmit.c:
ip_vs_icmp_xmit | -638
ip_vs_tunnel_xmit | -674
ip_vs_nat_xmit | -716
ip_vs_dr_xmit | -682
4 functions changed, 2710 bytes removed, diff: -2710
net/ipv4/ipvs/ip_vs_xmit.c:
__ip_vs_get_out_rt | +595
1 function changed, 595 bytes added, diff: +595
net/ipv4/ipvs/ip_vs_xmit.o:
5 functions changed, 595 bytes added, 2710 bytes removed, diff: -2115
Without some CONFIG.*DEBUGs:
net/ipv4/ipvs/ip_vs_xmit.o:
5 functions changed, 383 bytes added, 1513 bytes removed, diff: -1130
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
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/me awards the bloatiest-of-all-net/-.c-code award to
nf_conntrack_netlink.c, congratulations to all the authors :-/!
Hall of (unquestionable) fame (measured per inline, top 10 under
net/):
-4496 ctnetlink_parse_tuple netfilter/nf_conntrack_netlink.c
-2165 ctnetlink_dump_tuples netfilter/nf_conntrack_netlink.c
-2115 __ip_vs_get_out_rt ipv4/ipvs/ip_vs_xmit.c
-1924 xfrm_audit_helper_pktinfo xfrm/xfrm_state.c
-1799 ctnetlink_parse_tuple_proto netfilter/nf_conntrack_netlink.c
-1268 ctnetlink_parse_tuple_ip netfilter/nf_conntrack_netlink.c
-1093 ctnetlink_exp_dump_expect netfilter/nf_conntrack_netlink.c
-1060 void ccid3_update_send_interval dccp/ccids/ccid3.c
-983 ctnetlink_dump_tuples_proto netfilter/nf_conntrack_netlink.c
-827 ctnetlink_exp_dump_tuple netfilter/nf_conntrack_netlink.c
(i386 / gcc (GCC) 4.1.2 20070626 (Red Hat 4.1.2-13) /
allyesconfig except CONFIG_FORCED_INLINING)
...and I left < 200 byte gains as future work item.
After iterative inline removal, I finally have this:
net/netfilter/nf_conntrack_netlink.c:
ctnetlink_exp_fill_info | -1104
ctnetlink_new_expect | -1572
ctnetlink_fill_info | -1303
ctnetlink_new_conntrack | -2230
ctnetlink_get_expect | -341
ctnetlink_del_expect | -352
ctnetlink_expect_event | -1110
ctnetlink_conntrack_event | -1548
ctnetlink_del_conntrack | -729
ctnetlink_get_conntrack | -728
10 functions changed, 11017 bytes removed, diff: -11017
net/netfilter/nf_conntrack_netlink.c:
ctnetlink_parse_tuple | +419
dump_nat_seq_adj | +183
ctnetlink_dump_counters | +166
ctnetlink_dump_tuples | +261
ctnetlink_exp_dump_expect | +633
ctnetlink_change_status | +460
6 functions changed, 2122 bytes added, diff: +2122
net/netfilter/nf_conntrack_netlink.o:
16 functions changed, 2122 bytes added, 11017 bytes removed, diff: -8895
Without a number of CONFIG.*DEBUGs, I got this:
net/netfilter/nf_conntrack_netlink.o:
16 functions changed, 2122 bytes added, 11029 bytes removed, diff: -8907
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Previous NETNS patches broke CONFIG_SYSCTL=n case
Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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- 'cb' is a fake struct member. In a previous patch struct cn_callback
was renamed to cn_callback_id, so 'cb' should have been deleted at that
time.
- 'nls' isn't used and is redundant, we can retrieve this data through
cn_callback_entry.pdev->nls.
- 'seq' and 'group' should be u32, as they are declared to be u32 in
other places.
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Struct member netlink_groups is never used, and I don't see how it can
be useful.
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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