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cfg80211: pass TDLS initiator in tdls_mgmt operations 

The TDLS initiator is set once during link setup. If determines the
address ordering in the link identifier IE.

Fix dependent drivers - mwifiex and mac80211.

Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Arik Nemtsov 2014-06-11 17:18:21 +03:00 committed by Johannes Berg
parent 17e6a59a36
commit 31fa97c5de
8 changed files with 26 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/net/wireless/mwifiex/cfg80211.c
View File

@ -2631,7 +2631,8 @@ static int
mwifiex_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
const u8 *peer, u8 action_code, u8 dialog_token,
u16 status_code, u32 peer_capability,
const u8 *extra_ies, size_t extra_ies_len)
bool initiator, const u8 *extra_ies,
size_t extra_ies_len)
{
struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
int ret;

2
include/net/cfg80211.h
View File

@ -2500,7 +2500,7 @@ struct cfg80211_ops {
int (*tdls_mgmt)(struct wiphy *wiphy, struct net_device *dev,
const u8 *peer, u8 action_code, u8 dialog_token,
u16 status_code, u32 peer_capability,
const u8 *buf, size_t len);
bool initiator, const u8 *buf, size_t len);
int (*tdls_oper)(struct wiphy *wiphy, struct net_device *dev,
const u8 *peer, enum nl80211_tdls_operation oper);

5
include/uapi/linux/nl80211.h
View File

@ -1591,6 +1591,9 @@ enum nl80211_commands {
* creation then the new interface will be owned by the netlink socket
* that created it and will be destroyed when the socket is closed
*
* @NL80211_ATTR_TDLS_INITIATOR: flag attribute indicating the current end is
* the TDLS link initiator.
*
* @NL80211_ATTR_MAX: highest attribute number currently defined
* @__NL80211_ATTR_AFTER_LAST: internal use
*/
@ -1931,6 +1934,8 @@ enum nl80211_attrs {
NL80211_ATTR_CSA_C_OFFSETS_TX,
NL80211_ATTR_MAX_CSA_COUNTERS,
NL80211_ATTR_TDLS_INITIATOR,
/* add attributes here, update the policy in nl80211.c */
__NL80211_ATTR_AFTER_LAST,

3
net/mac80211/ieee80211_i.h
View File

@ -1867,7 +1867,8 @@ int ieee80211_max_num_channels(struct ieee80211_local *local);
int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
const u8 *peer, u8 action_code, u8 dialog_token,
u16 status_code, u32 peer_capability,
const u8 *extra_ies, size_t extra_ies_len);
bool initiator, const u8 *extra_ies,
size_t extra_ies_len);
int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
const u8 *peer, enum nl80211_tdls_operation oper);

3
net/mac80211/tdls.c
View File

@ -299,7 +299,8 @@ fail:
int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
const u8 *peer, u8 action_code, u8 dialog_token,
u16 status_code, u32 peer_capability,
const u8 *extra_ies, size_t extra_ies_len)
bool initiator, const u8 *extra_ies,
size_t extra_ies_len)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct ieee80211_local *local = sdata->local;

4
net/wireless/nl80211.c
View File

@ -337,6 +337,7 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = {
[NL80211_ATTR_TDLS_OPERATION] = { .type = NLA_U8 },
[NL80211_ATTR_TDLS_SUPPORT] = { .type = NLA_FLAG },
[NL80211_ATTR_TDLS_EXTERNAL_SETUP] = { .type = NLA_FLAG },
[NL80211_ATTR_TDLS_INITIATOR] = { .type = NLA_FLAG },
[NL80211_ATTR_DONT_WAIT_FOR_ACK] = { .type = NLA_FLAG },
[NL80211_ATTR_PROBE_RESP] = { .type = NLA_BINARY,
.len = IEEE80211_MAX_DATA_LEN },
@ -7365,6 +7366,7 @@ static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info)
u32 peer_capability = 0;
u16 status_code;
u8 *peer;
bool initiator;
if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
!rdev->ops->tdls_mgmt)
@ -7381,12 +7383,14 @@ static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info)
action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]);
status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]);
initiator = nla_get_flag(info->attrs[NL80211_ATTR_TDLS_INITIATOR]);
if (info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY])
peer_capability =
nla_get_u32(info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]);
return rdev_tdls_mgmt(rdev, dev, peer, action_code,
dialog_token, status_code, peer_capability,
initiator,
nla_data(info->attrs[NL80211_ATTR_IE]),
nla_len(info->attrs[NL80211_ATTR_IE]));
}

6
net/wireless/rdev-ops.h
View File

@ -751,15 +751,15 @@ static inline int rdev_tdls_mgmt(struct cfg80211_registered_device *rdev,
struct net_device *dev, u8 *peer,
u8 action_code, u8 dialog_token,
u16 status_code, u32 peer_capability,
const u8 *buf, size_t len)
bool initiator, const u8 *buf, size_t len)
{
int ret;
trace_rdev_tdls_mgmt(&rdev->wiphy, dev, peer, action_code,
dialog_token, status_code, peer_capability,
buf, len);
initiator, buf, len);
ret = rdev->ops->tdls_mgmt(&rdev->wiphy, dev, peer, action_code,
dialog_token, status_code, peer_capability,
buf, len);
initiator, buf, len);
trace_rdev_return_int(&rdev->wiphy, ret);
return ret;
}

10
net/wireless/trace.h
View File

@ -1454,9 +1454,9 @@ TRACE_EVENT(rdev_tdls_mgmt,
TP_PROTO(struct wiphy *wiphy, struct net_device *netdev,
u8 *peer, u8 action_code, u8 dialog_token,
u16 status_code, u32 peer_capability,
const u8 *buf, size_t len),
bool initiator, const u8 *buf, size_t len),
TP_ARGS(wiphy, netdev, peer, action_code, dialog_token, status_code,
peer_capability, buf, len),
peer_capability, initiator, buf, len),
TP_STRUCT__entry(
WIPHY_ENTRY
NETDEV_ENTRY
@ -1465,6 +1465,7 @@ TRACE_EVENT(rdev_tdls_mgmt,
__field(u8, dialog_token)
__field(u16, status_code)
__field(u32, peer_capability)
__field(bool, initiator)
__dynamic_array(u8, buf, len)
),
TP_fast_assign(
@ -1475,13 +1476,16 @@ TRACE_EVENT(rdev_tdls_mgmt,
__entry->dialog_token = dialog_token;
__entry->status_code = status_code;
__entry->peer_capability = peer_capability;
__entry->initiator = initiator;
memcpy(__get_dynamic_array(buf), buf, len);
),
TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", " MAC_PR_FMT ", action_code: %u, "
"dialog_token: %u, status_code: %u, peer_capability: %u buf: %#.2x ",
"dialog_token: %u, status_code: %u, peer_capability: %u "
"initiator: %s buf: %#.2x ",
WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(peer),
__entry->action_code, __entry->dialog_token,
__entry->status_code, __entry->peer_capability,
BOOL_TO_STR(__entry->initiator),
((u8 *)__get_dynamic_array(buf))[0])
);