Commit 8fdc621d authored by Johannes Berg's avatar Johannes Berg Committed by John W. Linville

nl80211: export supported commands

This makes nl80211 export the supported commands (command groups)
per wiphy so userspace has an idea what it can do -- this will be
required reading for userspace when we introduce auth/assoc /or/
connect for older hardware that cannot separate auth and assoc.
Signed-off-by: default avatarJohannes Berg <johannes@sipsolutions.net>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent ec30415f
......@@ -349,6 +349,10 @@ enum nl80211_commands {
* @NL80211_ATTR_REG_TYPE: indicates the type of the regulatory domain currently
* set. This can be one of the nl80211_reg_type (%NL80211_REGDOM_TYPE_*)
*
* @NL80211_ATTR_SUPPORTED_COMMANDS: wiphy attribute that specifies
* an array of command numbers (i.e. a mapping index to command number)
* that the driver for the given wiphy supports.
*
* @NL80211_ATTR_MAX: highest attribute number currently defined
* @__NL80211_ATTR_AFTER_LAST: internal use
*/
......@@ -426,6 +430,8 @@ enum nl80211_attrs {
NL80211_ATTR_REG_INITIATOR,
NL80211_ATTR_REG_TYPE,
NL80211_ATTR_SUPPORTED_COMMANDS,
/* add attributes here, update the policy in nl80211.c */
__NL80211_ATTR_AFTER_LAST,
......
......@@ -131,6 +131,7 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
struct nlattr *nl_freqs, *nl_freq;
struct nlattr *nl_rates, *nl_rate;
struct nlattr *nl_modes;
struct nlattr *nl_cmds;
enum ieee80211_band band;
struct ieee80211_channel *chan;
struct ieee80211_rate *rate;
......@@ -242,6 +243,32 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
}
nla_nest_end(msg, nl_bands);
nl_cmds = nla_nest_start(msg, NL80211_ATTR_SUPPORTED_COMMANDS);
if (!nl_cmds)
goto nla_put_failure;
i = 0;
#define CMD(op, n) \
do { \
if (dev->ops->op) { \
i++; \
NLA_PUT_U32(msg, i, NL80211_CMD_ ## n); \
} \
} while (0)
CMD(add_virtual_intf, NEW_INTERFACE);
CMD(change_virtual_intf, SET_INTERFACE);
CMD(add_key, NEW_KEY);
CMD(add_beacon, NEW_BEACON);
CMD(add_station, NEW_STATION);
CMD(add_mpath, NEW_MPATH);
CMD(set_mesh_params, SET_MESH_PARAMS);
CMD(change_bss, SET_BSS);
CMD(set_mgmt_extra_ie, SET_MGMT_EXTRA_IE);
#undef CMD
nla_nest_end(msg, nl_cmds);
return genlmsg_end(msg, hdr);
nla_put_failure:
......
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