diff --git a/drivers/net/wireless/ath/ath6kl/cfg80211.c b/drivers/net/wireless/ath/ath6kl/cfg80211.c
index 33ed54738d470f25e7fee146c257c0b16798b084..e11c7e9accc03e536a612c0e73ee3fee9f85dd70 100644
--- a/drivers/net/wireless/ath/ath6kl/cfg80211.c
+++ b/drivers/net/wireless/ath/ath6kl/cfg80211.c
@@ -807,7 +807,7 @@ void ath6kl_cfg80211_connect_event(struct ath6kl_vif *vif, u16 channel,
cfg80211_put_bss(ar->wiphy, bss);
} else if (vif->sme_state == SME_CONNECTED) {
struct cfg80211_roam_info roam_info = {
- .bss = bss,
+ .links[0].bss = bss,
.req_ie = assoc_req_ie,
.req_ie_len = assoc_req_len,
.resp_ie = assoc_resp_ie,
diff --git a/drivers/net/wireless/ath/wil6210/wmi.c b/drivers/net/wireless/ath/wil6210/wmi.c
index 98b4c189eeccb06f164452c5ef5994aee36119d9..ea7bd403e70674365db3cb153f3ed24339c04858 100644
--- a/drivers/net/wireless/ath/wil6210/wmi.c
+++ b/drivers/net/wireless/ath/wil6210/wmi.c
@@ -1822,8 +1822,8 @@ wmi_evt_reassoc_status(struct wil6210_vif *vif, int id, void *d, int len)
freq = ieee80211_channel_to_frequency(ch, NL80211_BAND_60GHZ);
memset(&info, 0, sizeof(info));
- info.channel = ieee80211_get_channel(wiphy, freq);
- info.bss = vif->bss;
+ info.links[0].channel = ieee80211_get_channel(wiphy, freq);
+ info.links[0].bss = vif->bss;
info.req_ie = assoc_req_ie;
info.req_ie_len = assoc_req_ie_len;
info.resp_ie = assoc_resp_ie;
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
index 11e1f07f83e0afd28a8bbad16050a8463616813e..3ae6779fe15334e997aa5f559278fbb9500a1599 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
@@ -6017,8 +6017,8 @@ brcmf_bss_roaming_done(struct brcmf_cfg80211_info *cfg,
done:
kfree(buf);
- roam_info.channel = notify_channel;
- roam_info.bssid = profile->bssid;
+ roam_info.links[0].channel = notify_channel;
+ roam_info.links[0].bssid = profile->bssid;
roam_info.req_ie = conn_info->req_ie;
roam_info.req_ie_len = conn_info->req_ie_len;
roam_info.resp_ie = conn_info->resp_ie;
@@ -6061,7 +6061,7 @@ brcmf_bss_connect_done(struct brcmf_cfg80211_info *cfg,
} else {
conn_params.status = WLAN_STATUS_AUTH_TIMEOUT;
}
- conn_params.bssid = profile->bssid;
+ conn_params.links[0].bssid = profile->bssid;
conn_params.req_ie = conn_info->req_ie;
conn_params.req_ie_len = conn_info->req_ie_len;
conn_params.resp_ie = conn_info->resp_ie;
diff --git a/drivers/net/wireless/rndis_wlan.c b/drivers/net/wireless/rndis_wlan.c
index ff2448394a1eda6c5404861da7fbb4948315c77c..05524291d60c0bd5274b6748ecae253d2de0329c 100644
--- a/drivers/net/wireless/rndis_wlan.c
+++ b/drivers/net/wireless/rndis_wlan.c
@@ -2813,8 +2813,9 @@ static void rndis_wlan_do_link_up_work(struct usbnet *usbdev)
resp_ie_len, 0, GFP_KERNEL);
} else {
struct cfg80211_roam_info roam_info = {
- .channel = get_current_channel(usbdev, NULL),
- .bssid = bssid,
+ .links[0].channel =
+ get_current_channel(usbdev, NULL),
+ .links[0].bssid = bssid,
.req_ie = req_ie,
.req_ie_len = req_ie_len,
.resp_ie = resp_ie,
diff --git a/drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c b/drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c
index 349aa3c4b668663bcda300377e2b7555bf0b3bff..cf35125b7891e99eee6f430729e365bdf4ea62b0 100644
--- a/drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c
+++ b/drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c
@@ -450,8 +450,8 @@ void rtw_cfg80211_indicate_connect(struct adapter *padapter)
notify_channel = ieee80211_get_channel(wiphy, freq);
- roam_info.channel = notify_channel;
- roam_info.bssid = cur_network->network.mac_address;
+ roam_info.links[0].channel = notify_channel;
+ roam_info.links[0].bssid = cur_network->network.mac_address;
roam_info.req_ie =
pmlmepriv->assoc_req+sizeof(struct ieee80211_hdr_3addr)+2;
roam_info.req_ie_len =
diff --git a/drivers/staging/wlan-ng/cfg80211.c b/drivers/staging/wlan-ng/cfg80211.c
index 87379edce9a8ae7a8cc409343a89258616929714..b7b56d8406d1c60c8b6a617f81dc8ac0362f421e 100644
--- a/drivers/staging/wlan-ng/cfg80211.c
+++ b/drivers/staging/wlan-ng/cfg80211.c
@@ -645,7 +645,7 @@ void prism2_disconnected(struct wlandevice *wlandev)
void prism2_roamed(struct wlandevice *wlandev)
{
struct cfg80211_roam_info roam_info = {
- .bssid = wlandev->bssid,
+ .links[0].bssid = wlandev->bssid,
};
cfg80211_roamed(wlandev->netdev, &roam_info, GFP_KERNEL);
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 5706f96b819ae521f518aeb8b820ef8f608084df..996782c4483874c238acea64d354630b4bcaa856 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -2763,6 +2763,9 @@ struct cfg80211_assoc_link {
* request (connect callback).
* @ASSOC_REQ_DISABLE_HE: Disable HE
* @ASSOC_REQ_DISABLE_EHT: Disable EHT
+ * @CONNECT_REQ_MLO_SUPPORT: Userspace indicates support for handling MLD links.
+ * Drivers shall disable MLO features for the current association if this
+ * flag is not set.
*/
enum cfg80211_assoc_req_flags {
ASSOC_REQ_DISABLE_HT = BIT(0),
@@ -2771,6 +2774,7 @@ enum cfg80211_assoc_req_flags {
CONNECT_REQ_EXTERNAL_AUTH_SUPPORT = BIT(3),
ASSOC_REQ_DISABLE_HE = BIT(4),
ASSOC_REQ_DISABLE_EHT = BIT(5),
+ CONNECT_REQ_MLO_SUPPORT = BIT(6),
};
/**
@@ -5780,12 +5784,13 @@ static inline void WARN_INVALID_LINK_ID(struct wireless_dev *wdev,
!(wdev->valid_links & BIT(link_id)));
}
-#define for_each_valid_link(wdev, link_id) \
- for (link_id = 0; \
- link_id < ((wdev)->valid_links ? ARRAY_SIZE((wdev)->links) : 1); \
- link_id++) \
- if (!(wdev)->valid_links || \
- ((wdev)->valid_links & BIT(link_id)))
+#define for_each_valid_link(link_info, link_id) \
+ for (link_id = 0; \
+ link_id < ((link_info)->valid_links ? \
+ ARRAY_SIZE((link_info)->links) : 1); \
+ link_id++) \
+ if (!(link_info)->valid_links || \
+ ((link_info)->valid_links & BIT(link_id)))
/**
* DOC: Utility functions
@@ -7296,13 +7301,6 @@ struct cfg80211_fils_resp_params {
* indicate that this is a failure, but without a status code.
* @timeout_reason is used to report the reason for the timeout in that
* case.
- * @bssid: The BSSID of the AP (may be %NULL)
- * @bss: Entry of bss to which STA got connected to, can be obtained through
- * cfg80211_get_bss() (may be %NULL). But it is recommended to store the
- * bss from the connect_request and hold a reference to it and return
- * through this param to avoid a warning if the bss is expired during the
- * connection, esp. for those drivers implementing connect op.
- * Only one parameter among @bssid and @bss needs to be specified.
* @req_ie: Association request IEs (may be %NULL)
* @req_ie_len: Association request IEs length
* @resp_ie: Association response IEs (may be %NULL)
@@ -7314,17 +7312,41 @@ struct cfg80211_fils_resp_params {
* not known. This value is used only if @status < 0 to indicate that the
* failure is due to a timeout and not due to explicit rejection by the AP.
* This value is ignored in other cases (@status >= 0).
+ * @valid_links: For MLO connection, BIT mask of the valid link ids. Otherwise
+ * zero.
+ * @ap_mld_addr: For MLO connection, MLD address of the AP. Otherwise %NULL.
+ * @links : For MLO connection, contains link info for the valid links indicated
+ * using @valid_links. For non-MLO connection, links[0] contains the
+ * connected AP info.
+ * @links.addr: For MLO connection, MAC address of the STA link. Otherwise
+ * %NULL.
+ * @links.bssid: For MLO connection, MAC address of the AP link. For non-MLO
+ * connection, links[0].bssid points to the BSSID of the AP (may be %NULL).
+ * @links.bss: For MLO connection, entry of bss to which STA link is connected.
+ * For non-MLO connection, links[0].bss points to entry of bss to which STA
+ * is connected. It can be obtained through cfg80211_get_bss() (may be
+ * %NULL). It is recommended to store the bss from the connect_request and
+ * hold a reference to it and return through this param to avoid a warning
+ * if the bss is expired during the connection, esp. for those drivers
+ * implementing connect op. Only one parameter among @bssid and @bss needs
+ * to be specified.
*/
struct cfg80211_connect_resp_params {
int status;
- const u8 *bssid;
- struct cfg80211_bss *bss;
const u8 *req_ie;
size_t req_ie_len;
const u8 *resp_ie;
size_t resp_ie_len;
struct cfg80211_fils_resp_params fils;
enum nl80211_timeout_reason timeout_reason;
+
+ const u8 *ap_mld_addr;
+ u16 valid_links;
+ struct {
+ const u8 *addr;
+ const u8 *bssid;
+ struct cfg80211_bss *bss;
+ } links[IEEE80211_MLD_MAX_NUM_LINKS];
};
/**
@@ -7394,8 +7416,8 @@ cfg80211_connect_bss(struct net_device *dev, const u8 *bssid,
memset(¶ms, 0, sizeof(params));
params.status = status;
- params.bssid = bssid;
- params.bss = bss;
+ params.links[0].bssid = bssid;
+ params.links[0].bss = bss;
params.req_ie = req_ie;
params.req_ie_len = req_ie_len;
params.resp_ie = resp_ie;
@@ -7466,24 +7488,40 @@ cfg80211_connect_timeout(struct net_device *dev, const u8 *bssid,
/**
* struct cfg80211_roam_info - driver initiated roaming information
*
- * @channel: the channel of the new AP
- * @bss: entry of bss to which STA got roamed (may be %NULL if %bssid is set)
- * @bssid: the BSSID of the new AP (may be %NULL if %bss is set)
* @req_ie: association request IEs (maybe be %NULL)
* @req_ie_len: association request IEs length
* @resp_ie: association response IEs (may be %NULL)
* @resp_ie_len: assoc response IEs length
* @fils: FILS related roaming information.
+ * @valid_links: For MLO roaming, BIT mask of the new valid links is set.
+ * Otherwise zero.
+ * @ap_mld_addr: For MLO roaming, MLD address of the new AP. Otherwise %NULL.
+ * @links : For MLO roaming, contains new link info for the valid links set in
+ * @valid_links. For non-MLO roaming, links[0] contains the new AP info.
+ * @links.addr: For MLO roaming, MAC address of the STA link. Otherwise %NULL.
+ * @links.bssid: For MLO roaming, MAC address of the new AP link. For non-MLO
+ * roaming, links[0].bssid points to the BSSID of the new AP. May be
+ * %NULL if %links.bss is set.
+ * @links.channel: the channel of the new AP.
+ * @links.bss: For MLO roaming, entry of new bss to which STA link got
+ * roamed. For non-MLO roaming, links[0].bss points to entry of bss to
+ * which STA got roamed (may be %NULL if %links.bssid is set)
*/
struct cfg80211_roam_info {
- struct ieee80211_channel *channel;
- struct cfg80211_bss *bss;
- const u8 *bssid;
const u8 *req_ie;
size_t req_ie_len;
const u8 *resp_ie;
size_t resp_ie_len;
struct cfg80211_fils_resp_params fils;
+
+ const u8 *ap_mld_addr;
+ u16 valid_links;
+ struct {
+ const u8 *addr;
+ const u8 *bssid;
+ struct ieee80211_channel *channel;
+ struct cfg80211_bss *bss;
+ } links[IEEE80211_MLD_MAX_NUM_LINKS];
};
/**
diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h
index 60ad9a9f153db2a601bb1402ed915f733346de51..89f64f46b98dc59aca3ea2892d972b6b4939a9d5 100644
--- a/include/uapi/linux/nl80211.h
+++ b/include/uapi/linux/nl80211.h
@@ -2690,6 +2690,10 @@ enum nl80211_commands {
* @NL80211_ATTR_MLD_ADDR: An MLD address, used with various commands such as
* authenticate/associate.
*
+ * @NL80211_ATTR_MLO_SUPPORT: Flag attribute to indicate user space supports MLO
+ * connection. Used with %NL80211_CMD_CONNECT. If this attribute is not
+ * included in NL80211_CMD_CONNECT drivers must not perform MLO connection.
+ *
* @NUM_NL80211_ATTR: total number of nl80211_attrs available
* @NL80211_ATTR_MAX: highest attribute number currently defined
* @__NL80211_ATTR_AFTER_LAST: internal use
@@ -3208,6 +3212,8 @@ enum nl80211_attrs {
NL80211_ATTR_MLO_LINK_ID,
NL80211_ATTR_MLD_ADDR,
+ NL80211_ATTR_MLO_SUPPORT,
+
/* add attributes here, update the policy in nl80211.c */
__NL80211_ATTR_AFTER_LAST,
diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c
index d92eed0e52cd1af2ad5e41fee96878a4fc57b905..8a84cf77667cfe890380a026e397da9b8528deb2 100644
--- a/net/wireless/mlme.c
+++ b/net/wireless/mlme.c
@@ -42,8 +42,8 @@ void cfg80211_rx_assoc_resp(struct net_device *dev, struct cfg80211_bss *bss,
memset(&cr, 0, sizeof(cr));
cr.status = (int)le16_to_cpu(mgmt->u.assoc_resp.status_code);
- cr.bssid = mgmt->bssid;
- cr.bss = bss;
+ cr.links[0].bssid = mgmt->bssid;
+ cr.links[0].bss = bss;
cr.req_ie = req_ies;
cr.req_ie_len = req_ies_len;
cr.resp_ie = resp_ie;
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index aca799b9971e5f199d209f49cd2d46800a9bd2eb..6a45801c783c495cc1dcf484fe08bd7d40b7c994 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -797,6 +797,7 @@ static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
[NL80211_ATTR_MLO_LINK_ID] =
NLA_POLICY_RANGE(NLA_U8, 0, IEEE80211_MLD_MAX_NUM_LINKS),
[NL80211_ATTR_MLD_ADDR] = NLA_POLICY_EXACT_LEN(ETH_ALEN),
+ [NL80211_ATTR_MLO_SUPPORT] = { .type = NLA_FLAG },
};
/* policy for the key attributes */
@@ -11529,6 +11530,9 @@ static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
connect.flags |= CONNECT_REQ_EXTERNAL_AUTH_SUPPORT;
}
+ if (nla_get_flag(info->attrs[NL80211_ATTR_MLO_SUPPORT]))
+ connect.flags |= CONNECT_REQ_MLO_SUPPORT;
+
wdev_lock(dev->ieee80211_ptr);
err = cfg80211_connect(rdev, dev, &connect, connkeys,
@@ -17304,10 +17308,29 @@ void nl80211_send_connect_result(struct cfg80211_registered_device *rdev,
{
struct sk_buff *msg;
void *hdr;
+ unsigned int link;
+ size_t link_info_size = 0;
+ const u8 *connected_addr = cr->valid_links ?
+ cr->ap_mld_addr : cr->links[0].bssid;
+
+ if (cr->valid_links) {
+ for_each_valid_link(cr, link) {
+ /* Nested attribute header */
+ link_info_size += NLA_HDRLEN;
+ /* Link ID */
+ link_info_size += nla_total_size(sizeof(u8));
+ link_info_size += cr->links[link].addr ?
+ nla_total_size(ETH_ALEN) : 0;
+ link_info_size += (cr->links[link].bssid ||
+ cr->links[link].bss) ?
+ nla_total_size(ETH_ALEN) : 0;
+ }
+ }
msg = nlmsg_new(100 + cr->req_ie_len + cr->resp_ie_len +
cr->fils.kek_len + cr->fils.pmk_len +
- (cr->fils.pmkid ? WLAN_PMKID_LEN : 0), gfp);
+ (cr->fils.pmkid ? WLAN_PMKID_LEN : 0) + link_info_size,
+ gfp);
if (!msg)
return;
@@ -17319,8 +17342,8 @@ void nl80211_send_connect_result(struct cfg80211_registered_device *rdev,
if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
- (cr->bssid &&
- nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, cr->bssid)) ||
+ (connected_addr &&
+ nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, connected_addr)) ||
nla_put_u16(msg, NL80211_ATTR_STATUS_CODE,
cr->status < 0 ? WLAN_STATUS_UNSPECIFIED_FAILURE :
cr->status) ||
@@ -17346,6 +17369,38 @@ void nl80211_send_connect_result(struct cfg80211_registered_device *rdev,
nla_put(msg, NL80211_ATTR_PMKID, WLAN_PMKID_LEN, cr->fils.pmkid)))))
goto nla_put_failure;
+ if (cr->valid_links) {
+ int i = 1;
+ struct nlattr *nested;
+
+ nested = nla_nest_start(msg, NL80211_ATTR_MLO_LINKS);
+ if (!nested)
+ goto nla_put_failure;
+
+ for_each_valid_link(cr, link) {
+ struct nlattr *nested_mlo_links;
+ const u8 *bssid = cr->links[link].bss ?
+ cr->links[link].bss->bssid :
+ cr->links[link].bssid;
+
+ nested_mlo_links = nla_nest_start(msg, i);
+ if (!nested_mlo_links)
+ goto nla_put_failure;
+
+ if (nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link) ||
+ (bssid &&
+ nla_put(msg, NL80211_ATTR_BSSID, ETH_ALEN, bssid)) ||
+ (cr->links[link].addr &&
+ nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN,
+ cr->links[link].addr)))
+ goto nla_put_failure;
+
+ nla_nest_end(msg, nested_mlo_links);
+ i++;
+ }
+ nla_nest_end(msg, nested);
+ }
+
genlmsg_end(msg, hdr);
genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
@@ -17362,11 +17417,32 @@ void nl80211_send_roamed(struct cfg80211_registered_device *rdev,
{
struct sk_buff *msg;
void *hdr;
- const u8 *bssid = info->bss ? info->bss->bssid : info->bssid;
+ size_t link_info_size = 0;
+ unsigned int link;
+ const u8 *connected_addr = info->ap_mld_addr ?
+ info->ap_mld_addr :
+ (info->links[0].bss ?
+ info->links[0].bss->bssid :
+ info->links[0].bssid);
+
+ if (info->valid_links) {
+ for_each_valid_link(info, link) {
+ /* Nested attribute header */
+ link_info_size += NLA_HDRLEN;
+ /* Link ID */
+ link_info_size += nla_total_size(sizeof(u8));
+ link_info_size += info->links[link].addr ?
+ nla_total_size(ETH_ALEN) : 0;
+ link_info_size += (info->links[link].bssid ||
+ info->links[link].bss) ?
+ nla_total_size(ETH_ALEN) : 0;
+ }
+ }
msg = nlmsg_new(100 + info->req_ie_len + info->resp_ie_len +
info->fils.kek_len + info->fils.pmk_len +
- (info->fils.pmkid ? WLAN_PMKID_LEN : 0), gfp);
+ (info->fils.pmkid ? WLAN_PMKID_LEN : 0) +
+ link_info_size, gfp);
if (!msg)
return;
@@ -17378,7 +17454,7 @@ void nl80211_send_roamed(struct cfg80211_registered_device *rdev,
if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
- nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid) ||
+ nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, connected_addr) ||
(info->req_ie &&
nla_put(msg, NL80211_ATTR_REQ_IE, info->req_ie_len,
info->req_ie)) ||
@@ -17397,6 +17473,38 @@ void nl80211_send_roamed(struct cfg80211_registered_device *rdev,
nla_put(msg, NL80211_ATTR_PMKID, WLAN_PMKID_LEN, info->fils.pmkid)))
goto nla_put_failure;
+ if (info->valid_links) {
+ int i = 1;
+ struct nlattr *nested;
+
+ nested = nla_nest_start(msg, NL80211_ATTR_MLO_LINKS);
+ if (!nested)
+ goto nla_put_failure;
+
+ for_each_valid_link(info, link) {
+ struct nlattr *nested_mlo_links;
+ const u8 *bssid = info->links[link].bss ?
+ info->links[link].bss->bssid :
+ info->links[link].bssid;
+
+ nested_mlo_links = nla_nest_start(msg, i);
+ if (!nested_mlo_links)
+ goto nla_put_failure;
+
+ if (nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link) ||
+ (bssid &&
+ nla_put(msg, NL80211_ATTR_BSSID, ETH_ALEN, bssid)) ||
+ (info->links[link].addr &&
+ nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN,
+ info->links[link].addr)))
+ goto nla_put_failure;
+
+ nla_nest_end(msg, nested_mlo_links);
+ i++;
+ }
+ nla_nest_end(msg, nested);
+ }
+
genlmsg_end(msg, hdr);
genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
diff --git a/net/wireless/sme.c b/net/wireless/sme.c
index b3c6ce4f85ee0d9596082c43d47acdb5e05d3871..00be498aab2e5f8c54c7eb42ecf6ccc5e6405f9e 100644
--- a/net/wireless/sme.c
+++ b/net/wireless/sme.c
@@ -275,7 +275,7 @@ void cfg80211_conn_work(struct work_struct *work)
memset(&cr, 0, sizeof(cr));
cr.status = -1;
- cr.bssid = bssid;
+ cr.links[0].bssid = bssid;
cr.timeout_reason = treason;
__cfg80211_connect_result(wdev->netdev, &cr, false);
}
@@ -384,7 +384,7 @@ void cfg80211_sme_rx_auth(struct wireless_dev *wdev, const u8 *buf, size_t len)
memset(&cr, 0, sizeof(cr));
cr.status = status_code;
- cr.bssid = mgmt->bssid;
+ cr.links[0].bssid = mgmt->bssid;
cr.timeout_reason = NL80211_TIMEOUT_UNSPECIFIED;
__cfg80211_connect_result(wdev->netdev, &cr, false);
} else if (wdev->conn->state == CFG80211_CONN_AUTHENTICATING) {
@@ -698,6 +698,20 @@ static void disconnect_work(struct work_struct *work)
DECLARE_WORK(cfg80211_disconnect_work, disconnect_work);
+static void
+cfg80211_connect_result_release_bsses(struct wireless_dev *wdev,
+ struct cfg80211_connect_resp_params *cr)
+{
+ unsigned int link;
+
+ for_each_valid_link(cr, link) {
+ if (!cr->links[link].bss)
+ continue;
+ cfg80211_unhold_bss(bss_from_pub(cr->links[link].bss));
+ cfg80211_put_bss(wdev->wiphy, cr->links[link].bss);
+ }
+}
+
/*
* API calls for drivers implementing connect/disconnect and
* SME event handling
@@ -715,21 +729,33 @@ void __cfg80211_connect_result(struct net_device *dev,
#ifdef CONFIG_CFG80211_WEXT
union iwreq_data wrqu;
#endif
+ unsigned int link;
+ const u8 *connected_addr;
+ bool bss_not_found = false;
ASSERT_WDEV_LOCK(wdev);
if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION &&
- wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)) {
- cfg80211_put_bss(wdev->wiphy, cr->bss);
- return;
+ wdev->iftype != NL80211_IFTYPE_P2P_CLIENT))
+ goto out;
+
+ if (cr->valid_links) {
+ if (WARN_ON(!cr->ap_mld_addr))
+ goto out;
+
+ for_each_valid_link(cr, link) {
+ if (WARN_ON(!cr->links[link].addr))
+ goto out;
+ }
}
wdev->unprot_beacon_reported = 0;
nl80211_send_connect_result(wiphy_to_rdev(wdev->wiphy), dev, cr,
GFP_KERNEL);
+ connected_addr = cr->valid_links ? cr->ap_mld_addr : cr->links[0].bssid;
#ifdef CONFIG_CFG80211_WEXT
- if (wextev) {
+ if (wextev && !cr->valid_links) {
if (cr->req_ie && cr->status == WLAN_STATUS_SUCCESS) {
memset(&wrqu, 0, sizeof(wrqu));
wrqu.data.length = cr->req_ie_len;
@@ -746,23 +772,38 @@ void __cfg80211_connect_result(struct net_device *dev,
memset(&wrqu, 0, sizeof(wrqu));
wrqu.ap_addr.sa_family = ARPHRD_ETHER;
- if (cr->bssid && cr->status == WLAN_STATUS_SUCCESS) {
- memcpy(wrqu.ap_addr.sa_data, cr->bssid, ETH_ALEN);
- memcpy(wdev->wext.prev_bssid, cr->bssid, ETH_ALEN);
+ if (connected_addr && cr->status == WLAN_STATUS_SUCCESS) {
+ memcpy(wrqu.ap_addr.sa_data, connected_addr, ETH_ALEN);
+ memcpy(wdev->wext.prev_bssid, connected_addr, ETH_ALEN);
wdev->wext.prev_bssid_valid = true;
}
wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
}
#endif
- if (!cr->bss && (cr->status == WLAN_STATUS_SUCCESS)) {
- WARN_ON_ONCE(!wiphy_to_rdev(wdev->wiphy)->ops->connect);
- cr->bss = cfg80211_get_bss(wdev->wiphy, NULL, cr->bssid,
- wdev->u.client.ssid, wdev->u.client.ssid_len,
- wdev->conn_bss_type,
- IEEE80211_PRIVACY_ANY);
- if (cr->bss)
- cfg80211_hold_bss(bss_from_pub(cr->bss));
+ if (cr->status == WLAN_STATUS_SUCCESS) {
+ for_each_valid_link(cr, link) {
+ if (WARN_ON_ONCE(!cr->links[link].bss))
+ break;
+ }
+
+ for_each_valid_link(cr, link) {
+ if (cr->links[link].bss)
+ continue;
+
+ cr->links[link].bss =
+ cfg80211_get_bss(wdev->wiphy, NULL,
+ cr->links[link].bssid,
+ wdev->u.client.ssid,
+ wdev->u.client.ssid_len,
+ wdev->conn_bss_type,
+ IEEE80211_PRIVACY_ANY);
+ if (!cr->links[link].bss) {
+ bss_not_found = true;
+ break;
+ }
+ cfg80211_hold_bss(bss_from_pub(cr->links[link].bss));
+ }
}
cfg80211_wdev_release_bsses(wdev);
@@ -772,26 +813,40 @@ void __cfg80211_connect_result(struct net_device *dev,
wdev->connect_keys = NULL;
wdev->u.client.ssid_len = 0;
wdev->conn_owner_nlportid = 0;
- if (cr->bss) {
- cfg80211_unhold_bss(bss_from_pub(cr->bss));
- cfg80211_put_bss(wdev->wiphy, cr->bss);
- }
+ cfg80211_connect_result_release_bsses(wdev, cr);
cfg80211_sme_free(wdev);
return;
}
- if (WARN_ON(!cr->bss))
+ if (WARN_ON(bss_not_found)) {
+ cfg80211_connect_result_release_bsses(wdev, cr);
return;
+ }
- wdev->links[0].client.current_bss = bss_from_pub(cr->bss);
+ memset(wdev->links, 0, sizeof(wdev->links));
+ wdev->valid_links = cr->valid_links;
+ for_each_valid_link(cr, link)
+ wdev->links[link].client.current_bss =
+ bss_from_pub(cr->links[link].bss);
wdev->connected = true;
- ether_addr_copy(wdev->u.client.connected_addr, cr->bss->bssid);
+ ether_addr_copy(wdev->u.client.connected_addr, connected_addr);
+ if (cr->valid_links) {
+ for_each_valid_link(cr, link)
+ memcpy(wdev->links[link].addr, cr->links[link].addr,
+ ETH_ALEN);
+ }
if (!(wdev->wiphy->flags & WIPHY_FLAG_HAS_STATIC_WEP))
cfg80211_upload_connect_keys(wdev);
rcu_read_lock();
- country_elem = ieee80211_bss_get_elem(cr->bss, WLAN_EID_COUNTRY);
+ for_each_valid_link(cr, link) {
+ country_elem =
+ ieee80211_bss_get_elem(cr->links[link].bss,
+ WLAN_EID_COUNTRY);
+ if (country_elem)
+ break;
+ }
if (!country_elem) {
rcu_read_unlock();
return;
@@ -804,12 +859,60 @@ void __cfg80211_connect_result(struct net_device *dev,
if (!country_data)
return;
- regulatory_hint_country_ie(wdev->wiphy, cr->bss->channel->band,
+ regulatory_hint_country_ie(wdev->wiphy,
+ cr->links[link].bss->channel->band,
country_data, country_datalen);
kfree(country_data);
+
+ return;
+out:
+ for_each_valid_link(cr, link)
+ cfg80211_put_bss(wdev->wiphy, cr->links[link].bss);
}
-/* Consumes bss object one way or another */
+static void cfg80211_update_link_bss(struct wireless_dev *wdev,
+ struct cfg80211_bss **bss)
+{
+ struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
+ struct cfg80211_internal_bss *ibss;
+
+ if (!*bss)
+ return;
+
+ ibss = bss_from_pub(*bss);
+ if (list_empty(&ibss->list)) {
+ struct cfg80211_bss *found = NULL, *tmp = *bss;
+
+ found = cfg80211_get_bss(wdev->wiphy, NULL,
+ (*bss)->bssid,
+ wdev->u.client.ssid,
+ wdev->u.client.ssid_len,
+ wdev->conn_bss_type,
+ IEEE80211_PRIVACY_ANY);
+ if (found) {
+ /* The same BSS is already updated so use it
+ * instead, as it has latest info.
+ */
+ *bss = found;
+ } else {
+ /* Update with BSS provided by driver, it will
+ * be freshly added and ref cnted, we can free
+ * the old one.
+ *
+ * signal_valid can be false, as we are not
+ * expecting the BSS to be found.
+ *
+ * keep the old timestamp to avoid confusion
+ */
+ cfg80211_bss_update(rdev, ibss, false,
+ ibss->ts);
+ }
+
+ cfg80211_put_bss(wdev->wiphy, tmp);
+ }
+}
+
+/* Consumes bss object(s) one way or another */
void cfg80211_connect_done(struct net_device *dev,
struct cfg80211_connect_resp_params *params,
gfp_t gfp)
@@ -819,55 +922,34 @@ void cfg80211_connect_done(struct net_device *dev,
struct cfg80211_event *ev;
unsigned long flags;
u8 *next;
+ size_t link_info_size = 0;
+ unsigned int link;
- if (params->bss) {
- struct cfg80211_internal_bss *ibss = bss_from_pub(params->bss);
-
- if (list_empty(&ibss->list)) {
- struct cfg80211_bss *found = NULL, *tmp = params->bss;
-
- found = cfg80211_get_bss(wdev->wiphy, NULL,
- params->bss->bssid,
- wdev->u.client.ssid, wdev->u.client.ssid_len,
- wdev->conn_bss_type,
- IEEE80211_PRIVACY_ANY);
- if (found) {
- /* The same BSS is already updated so use it
- * instead, as it has latest info.
- */
- params->bss = found;
- } else {
- /* Update with BSS provided by driver, it will
- * be freshly added and ref cnted, we can free
- * the old one.
- *
- * signal_valid can be false, as we are not
- * expecting the BSS to be found.
- *
- * keep the old timestamp to avoid confusion
- */
- cfg80211_bss_update(rdev, ibss, false,
- ibss->ts);
- }
-
- cfg80211_put_bss(wdev->wiphy, tmp);
- }
+ for_each_valid_link(params, link) {
+ cfg80211_update_link_bss(wdev, ¶ms->links[link].bss);
+ link_info_size += params->links[link].bssid ? ETH_ALEN : 0;
+ link_info_size += params->links[link].addr ? ETH_ALEN : 0;
}
- ev = kzalloc(sizeof(*ev) + (params->bssid ? ETH_ALEN : 0) +
+ ev = kzalloc(sizeof(*ev) + (params->ap_mld_addr ? ETH_ALEN : 0) +
params->req_ie_len + params->resp_ie_len +
params->fils.kek_len + params->fils.pmk_len +
- (params->fils.pmkid ? WLAN_PMKID_LEN : 0), gfp);
+ (params->fils.pmkid ? WLAN_PMKID_LEN : 0) + link_info_size,
+ gfp);
+
if (!ev) {
- cfg80211_put_bss(wdev->wiphy, params->bss);
+ for_each_valid_link(params, link)
+ cfg80211_put_bss(wdev->wiphy,
+ params->links[link].bss);
return;
}
ev->type = EVENT_CONNECT_RESULT;
next = ((u8 *)ev) + sizeof(*ev);
- if (params->bssid) {
- ev->cr.bssid = next;
- memcpy((void *)ev->cr.bssid, params->bssid, ETH_ALEN);
+ if (params->ap_mld_addr) {
+ ev->cr.ap_mld_addr = next;
+ memcpy((void *)ev->cr.ap_mld_addr, params->ap_mld_addr,
+ ETH_ALEN);
next += ETH_ALEN;
}
if (params->req_ie_len) {
@@ -907,9 +989,28 @@ void cfg80211_connect_done(struct net_device *dev,
ev->cr.fils.update_erp_next_seq_num = params->fils.update_erp_next_seq_num;
if (params->fils.update_erp_next_seq_num)
ev->cr.fils.erp_next_seq_num = params->fils.erp_next_seq_num;
- if (params->bss)
- cfg80211_hold_bss(bss_from_pub(params->bss));
- ev->cr.bss = params->bss;
+ ev->cr.valid_links = params->valid_links;
+ for_each_valid_link(params, link) {
+ if (params->links[link].bss)
+ cfg80211_hold_bss(
+ bss_from_pub(params->links[link].bss));
+ ev->cr.links[link].bss = params->links[link].bss;
+
+ if (params->links[link].addr) {
+ ev->cr.links[link].addr = next;
+ memcpy((void *)ev->cr.links[link].addr,
+ params->links[link].addr,
+ ETH_ALEN);
+ next += ETH_ALEN;
+ }
+ if (params->links[link].bssid) {
+ ev->cr.links[link].bssid = next;
+ memcpy((void *)ev->cr.links[link].bssid,
+ params->links[link].bssid,
+ ETH_ALEN);
+ next += ETH_ALEN;
+ }
+ }
ev->cr.status = params->status;
ev->cr.timeout_reason = params->timeout_reason;
@@ -927,6 +1028,9 @@ void __cfg80211_roamed(struct wireless_dev *wdev,
#ifdef CONFIG_CFG80211_WEXT
union iwreq_data wrqu;
#endif
+ unsigned int link;
+ const u8 *connected_addr;
+
ASSERT_WDEV_LOCK(wdev);
if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION &&
@@ -936,48 +1040,76 @@ void __cfg80211_roamed(struct wireless_dev *wdev,
if (WARN_ON(!wdev->connected))
goto out;
+ if (info->valid_links) {
+ if (WARN_ON(!info->ap_mld_addr))
+ goto out;
+
+ for_each_valid_link(info, link) {
+ if (WARN_ON(!info->links[link].addr))
+ goto out;
+ }
+ }
+
cfg80211_wdev_release_bsses(wdev);
- if (WARN_ON(!info->bss))
- return;
+ for_each_valid_link(info, link) {
+ if (WARN_ON(!info->links[link].bss))
+ goto out;
+ }
- cfg80211_hold_bss(bss_from_pub(info->bss));
- wdev->links[0].client.current_bss = bss_from_pub(info->bss);
- ether_addr_copy(wdev->u.client.connected_addr, info->bss->bssid);
+ memset(wdev->links, 0, sizeof(wdev->links));
+ wdev->valid_links = info->valid_links;
+ for_each_valid_link(info, link) {
+ cfg80211_hold_bss(bss_from_pub(info->links[link].bss));
+ wdev->links[link].client.current_bss =
+ bss_from_pub(info->links[link].bss);
+ }
+ connected_addr = info->valid_links ?
+ info->ap_mld_addr :
+ info->links[0].bss->bssid;
+ ether_addr_copy(wdev->u.client.connected_addr, connected_addr);
+ if (info->valid_links) {
+ for_each_valid_link(info, link)
+ memcpy(wdev->links[link].addr, info->links[link].addr,
+ ETH_ALEN);
+ }
wdev->unprot_beacon_reported = 0;
nl80211_send_roamed(wiphy_to_rdev(wdev->wiphy),
wdev->netdev, info, GFP_KERNEL);
#ifdef CONFIG_CFG80211_WEXT
- if (info->req_ie) {
- memset(&wrqu, 0, sizeof(wrqu));
- wrqu.data.length = info->req_ie_len;
- wireless_send_event(wdev->netdev, IWEVASSOCREQIE,
- &wrqu, info->req_ie);
- }
+ if (!info->valid_links) {
+ if (info->req_ie) {
+ memset(&wrqu, 0, sizeof(wrqu));
+ wrqu.data.length = info->req_ie_len;
+ wireless_send_event(wdev->netdev, IWEVASSOCREQIE,
+ &wrqu, info->req_ie);
+ }
+
+ if (info->resp_ie) {
+ memset(&wrqu, 0, sizeof(wrqu));
+ wrqu.data.length = info->resp_ie_len;
+ wireless_send_event(wdev->netdev, IWEVASSOCRESPIE,
+ &wrqu, info->resp_ie);
+ }
- if (info->resp_ie) {
memset(&wrqu, 0, sizeof(wrqu));
- wrqu.data.length = info->resp_ie_len;
- wireless_send_event(wdev->netdev, IWEVASSOCRESPIE,
- &wrqu, info->resp_ie);
+ wrqu.ap_addr.sa_family = ARPHRD_ETHER;
+ memcpy(wrqu.ap_addr.sa_data, connected_addr, ETH_ALEN);
+ memcpy(wdev->wext.prev_bssid, connected_addr, ETH_ALEN);
+ wdev->wext.prev_bssid_valid = true;
+ wireless_send_event(wdev->netdev, SIOCGIWAP, &wrqu, NULL);
}
-
- memset(&wrqu, 0, sizeof(wrqu));
- wrqu.ap_addr.sa_family = ARPHRD_ETHER;
- memcpy(wrqu.ap_addr.sa_data, info->bss->bssid, ETH_ALEN);
- memcpy(wdev->wext.prev_bssid, info->bss->bssid, ETH_ALEN);
- wdev->wext.prev_bssid_valid = true;
- wireless_send_event(wdev->netdev, SIOCGIWAP, &wrqu, NULL);
#endif
return;
out:
- cfg80211_put_bss(wdev->wiphy, info->bss);
+ for_each_valid_link(info, link)
+ cfg80211_put_bss(wdev->wiphy, info->links[link].bss);
}
-/* Consumes info->bss object one way or another */
+/* Consumes info->links.bss object(s) one way or another */
void cfg80211_roamed(struct net_device *dev, struct cfg80211_roam_info *info,
gfp_t gfp)
{
@@ -986,25 +1118,41 @@ void cfg80211_roamed(struct net_device *dev, struct cfg80211_roam_info *info,
struct cfg80211_event *ev;
unsigned long flags;
u8 *next;
+ unsigned int link;
+ size_t link_info_size = 0;
+ bool bss_not_found = false;
+
+ for_each_valid_link(info, link) {
+ link_info_size += info->links[link].addr ? ETH_ALEN : 0;
+ link_info_size += info->links[link].bssid ? ETH_ALEN : 0;
- if (!info->bss) {
- info->bss = cfg80211_get_bss(wdev->wiphy, info->channel,
- info->bssid, wdev->u.client.ssid,
- wdev->u.client.ssid_len,
- wdev->conn_bss_type,
- IEEE80211_PRIVACY_ANY);
+ if (info->links[link].bss)
+ continue;
+
+ info->links[link].bss =
+ cfg80211_get_bss(wdev->wiphy,
+ info->links[link].channel,
+ info->links[link].bssid,
+ wdev->u.client.ssid,
+ wdev->u.client.ssid_len,
+ wdev->conn_bss_type,
+ IEEE80211_PRIVACY_ANY);
+
+ if (!info->links[link].bss) {
+ bss_not_found = true;
+ break;
+ }
}
- if (WARN_ON(!info->bss))
- return;
+ if (WARN_ON(bss_not_found))
+ goto out;
ev = kzalloc(sizeof(*ev) + info->req_ie_len + info->resp_ie_len +
info->fils.kek_len + info->fils.pmk_len +
- (info->fils.pmkid ? WLAN_PMKID_LEN : 0), gfp);
- if (!ev) {
- cfg80211_put_bss(wdev->wiphy, info->bss);
- return;
- }
+ (info->fils.pmkid ? WLAN_PMKID_LEN : 0) +
+ (info->ap_mld_addr ? ETH_ALEN : 0) + link_info_size, gfp);
+ if (!ev)
+ goto out;
ev->type = EVENT_ROAMED;
next = ((u8 *)ev) + sizeof(*ev);
@@ -1044,12 +1192,43 @@ void cfg80211_roamed(struct net_device *dev, struct cfg80211_roam_info *info,
ev->rm.fils.update_erp_next_seq_num = info->fils.update_erp_next_seq_num;
if (info->fils.update_erp_next_seq_num)
ev->rm.fils.erp_next_seq_num = info->fils.erp_next_seq_num;
- ev->rm.bss = info->bss;
+ if (info->ap_mld_addr) {
+ ev->rm.ap_mld_addr = next;
+ memcpy((void *)ev->rm.ap_mld_addr, info->ap_mld_addr,
+ ETH_ALEN);
+ next += ETH_ALEN;
+ }
+ ev->rm.valid_links = info->valid_links;
+ for_each_valid_link(info, link) {
+ ev->rm.links[link].bss = info->links[link].bss;
+
+ if (info->links[link].addr) {
+ ev->rm.links[link].addr = next;
+ memcpy((void *)ev->rm.links[link].addr,
+ info->links[link].addr,
+ ETH_ALEN);
+ next += ETH_ALEN;
+ }
+
+ if (info->links[link].bssid) {
+ ev->rm.links[link].bssid = next;
+ memcpy((void *)ev->rm.links[link].bssid,
+ info->links[link].bssid,
+ ETH_ALEN);
+ next += ETH_ALEN;
+ }
+ }
spin_lock_irqsave(&wdev->event_lock, flags);
list_add_tail(&ev->list, &wdev->event_list);
spin_unlock_irqrestore(&wdev->event_lock, flags);
queue_work(cfg80211_wq, &rdev->event_work);
+
+ return;
+out:
+ for_each_valid_link(info, link)
+ cfg80211_put_bss(wdev->wiphy, info->links[link].bss);
+
}
EXPORT_SYMBOL(cfg80211_roamed);