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3b0f31f2b8
Since maxattr is common, the policy can't really differ sanely,
so make it common as well.
The only user that did in fact manage to make a non-common policy
is taskstats, which has to be really careful about it (since it's
still using a common maxattr!). This is no longer supported, but
we can fake it using pre_doit.
This reduces the size of e.g. nl80211.o (which has lots of commands):
text data bss dec hex filename
398745 14323 2240 415308 6564c net/wireless/nl80211.o (before)
397913 14331 2240 414484 65314 net/wireless/nl80211.o (after)
--------------------------------
-832 +8 0 -824
Which is obviously just 8 bytes for each command, and an added 8
bytes for the new policy pointer. I'm not sure why the ops list is
counted as .text though.
Most of the code transformations were done using the following spatch:
@ops@
identifier OPS;
expression POLICY;
@@
struct genl_ops OPS[] = {
...,
{
- .policy = POLICY,
},
...
};
@@
identifier ops.OPS;
expression ops.POLICY;
identifier fam;
expression M;
@@
struct genl_family fam = {
.ops = OPS,
.maxattr = M,
+ .policy = POLICY,
...
};
This also gets rid of devlink_nl_cmd_region_read_dumpit() accessing
the cb->data as ops, which we want to change in a later genl patch.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
85 lines
3.3 KiB
C
85 lines
3.3 KiB
C
/*
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* Copyright (C) 2007, 2008, 2009 Siemens AG
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#ifndef IEEE_802154_LOCAL_H
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#define IEEE_802154_LOCAL_H
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int __init ieee802154_nl_init(void);
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void ieee802154_nl_exit(void);
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#define IEEE802154_OP(_cmd, _func) \
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{ \
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.cmd = _cmd, \
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.doit = _func, \
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.dumpit = NULL, \
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.flags = GENL_ADMIN_PERM, \
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}
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#define IEEE802154_DUMP(_cmd, _func, _dump) \
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{ \
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.cmd = _cmd, \
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.doit = _func, \
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.dumpit = _dump, \
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}
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struct genl_info;
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struct sk_buff *ieee802154_nl_create(int flags, u8 req);
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int ieee802154_nl_mcast(struct sk_buff *msg, unsigned int group);
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struct sk_buff *ieee802154_nl_new_reply(struct genl_info *info,
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int flags, u8 req);
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int ieee802154_nl_reply(struct sk_buff *msg, struct genl_info *info);
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extern struct genl_family nl802154_family;
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/* genetlink ops/groups */
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int ieee802154_list_phy(struct sk_buff *skb, struct genl_info *info);
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int ieee802154_dump_phy(struct sk_buff *skb, struct netlink_callback *cb);
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int ieee802154_add_iface(struct sk_buff *skb, struct genl_info *info);
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int ieee802154_del_iface(struct sk_buff *skb, struct genl_info *info);
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enum ieee802154_mcgrp_ids {
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IEEE802154_COORD_MCGRP,
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IEEE802154_BEACON_MCGRP,
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};
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int ieee802154_associate_req(struct sk_buff *skb, struct genl_info *info);
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int ieee802154_associate_resp(struct sk_buff *skb, struct genl_info *info);
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int ieee802154_disassociate_req(struct sk_buff *skb, struct genl_info *info);
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int ieee802154_scan_req(struct sk_buff *skb, struct genl_info *info);
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int ieee802154_start_req(struct sk_buff *skb, struct genl_info *info);
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int ieee802154_list_iface(struct sk_buff *skb, struct genl_info *info);
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int ieee802154_dump_iface(struct sk_buff *skb, struct netlink_callback *cb);
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int ieee802154_set_macparams(struct sk_buff *skb, struct genl_info *info);
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int ieee802154_llsec_getparams(struct sk_buff *skb, struct genl_info *info);
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int ieee802154_llsec_setparams(struct sk_buff *skb, struct genl_info *info);
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int ieee802154_llsec_add_key(struct sk_buff *skb, struct genl_info *info);
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int ieee802154_llsec_del_key(struct sk_buff *skb, struct genl_info *info);
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int ieee802154_llsec_dump_keys(struct sk_buff *skb,
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struct netlink_callback *cb);
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int ieee802154_llsec_add_dev(struct sk_buff *skb, struct genl_info *info);
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int ieee802154_llsec_del_dev(struct sk_buff *skb, struct genl_info *info);
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int ieee802154_llsec_dump_devs(struct sk_buff *skb,
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struct netlink_callback *cb);
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int ieee802154_llsec_add_devkey(struct sk_buff *skb, struct genl_info *info);
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int ieee802154_llsec_del_devkey(struct sk_buff *skb, struct genl_info *info);
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int ieee802154_llsec_dump_devkeys(struct sk_buff *skb,
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struct netlink_callback *cb);
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int ieee802154_llsec_add_seclevel(struct sk_buff *skb, struct genl_info *info);
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int ieee802154_llsec_del_seclevel(struct sk_buff *skb, struct genl_info *info);
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int ieee802154_llsec_dump_seclevels(struct sk_buff *skb,
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struct netlink_callback *cb);
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#endif
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