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nl80211: Add generic netlink module alias for cfg80211/nl80211

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To support auto-loading of wireless modules from netlink users, add module
alias for nl80211 family.

This also adds NL80211_GENL_NAME constant to define the "nl80211" netlink
family name as part of uapi.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Marcel Holtmann 2013-04-28 16:22:06 -07:00 • committed by Johannes Berg
parent 55300a13d2
commit fb4e156886
3 changed files with 7 additions and 4 deletions
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2
include/uapi/linux/nl80211.h
View file

@ -27,6 +27,8 @@
#include <linux/types.h> #include <linux/types.h>
#define NL80211_GENL_NAME "nl80211"
/** /**
* DOC: Station handling * DOC: Station handling
* *

1
net/wireless/core.c
View file

@ -34,6 +34,7 @@
MODULE_AUTHOR("Johannes Berg"); MODULE_AUTHOR("Johannes Berg");
MODULE_LICENSE("GPL"); MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("wireless configuration support"); MODULE_DESCRIPTION("wireless configuration support");
MODULE_ALIAS_GENL_FAMILY(NL80211_GENL_NAME);
/* RCU-protected (and cfg80211_mutex for writers) */ /* RCU-protected (and cfg80211_mutex for writers) */
LIST_HEAD(cfg80211_rdev_list); LIST_HEAD(cfg80211_rdev_list);

8
net/wireless/nl80211.c
View file

@ -37,10 +37,10 @@ static void nl80211_post_doit(struct genl_ops *ops, struct sk_buff *skb,
/* the netlink family */ /* the netlink family */
static struct genl_family nl80211_fam = { static struct genl_family nl80211_fam = {
.id = GENL_ID_GENERATE, /* don't bother with a hardcoded ID */ .id = GENL_ID_GENERATE, /* don't bother with a hardcoded ID */
.name = "nl80211", /* have users key off the name instead */ .name = NL80211_GENL_NAME, /* have users key off the name instead */
.hdrsize = 0, /* no private header */ .hdrsize = 0, /* no private header */
.version = 1, /* no particular meaning now */ .version = 1, /* no particular meaning now */
.maxattr = NL80211_ATTR_MAX, .maxattr = NL80211_ATTR_MAX,
.netnsok = true, .netnsok = true,
.pre_doit = nl80211_pre_doit, .pre_doit = nl80211_pre_doit,