Add support to offload OWE processing to user space for MLD AP when
driver's SME in use.
Add new parameters in struct cfg80211_update_owe_info to provide below
information in cfg80211_update_owe_info_event() call:
- MLO link ID of the AP, with which station requested (re)association.
This is applicable for both MLO and non-MLO station connections when
the AP affiliated with an MLD.
- Station's MLD address if the connection is MLO capable.
Signed-off-by: Veerendranath Jakkam <quic_vjakkam@xxxxxxxxxxx>
---
v2:
- Add more detailed commit text and documentation.
---
drivers/net/wireless/quantenna/qtnfmac/event.c | 1 +
include/net/cfg80211.h | 10 ++++++++++
net/wireless/nl80211.c | 11 +++++++++++
net/wireless/trace.h | 14 ++++++++++----
4 files changed, 32 insertions(+), 4 deletions(-)
diff --git a/drivers/net/wireless/quantenna/qtnfmac/event.c b/drivers/net/wireless/quantenna/qtnfmac/event.c
index 4fafe370101a..f0158737aed6 100644
--- a/drivers/net/wireless/quantenna/qtnfmac/event.c
+++ b/drivers/net/wireless/quantenna/qtnfmac/event.c
@@ -662,6 +662,7 @@ qtnf_event_handle_update_owe(struct qtnf_vif *vif,
memcpy(ie, owe_ev->ies, ie_len);
owe_info.ie_len = ie_len;
owe_info.ie = ie;
+ owe_info.assoc_link_id = -1;
pr_info("%s: external OWE processing: peer=%pM\n",
vif->netdev->name, owe_ev->peer);
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 5686e64e13d1..57da0626f7e0 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -3886,12 +3886,22 @@ struct cfg80211_pmsr_request {
* the IEs of the remote peer in the event from the host driver and
* the constructed IEs by the user space in the request interface.
* @ie_len: Length of IEs in octets.
+ * @assoc_link_id: MLO link ID of the AP, with which (re)association requested
+ * by peer. This will be filled by driver for both MLO and non-MLO station
+ * connections when the AP affiliated with an MLD. For non-MLD AP mode, it
+ * will be -1. Used only with OWE update event (driver to user space).
+ * @peer_mld_addr: For MLO connection, MLD address of the peer. For non-MLO
+ * connection, it will be all zeros. This is applicable only when
+ * @assoc_link_id is not -1, i.e., the AP affiliated with an MLD. Used only
+ * with OWE update event (driver to user space).
*/
struct cfg80211_update_owe_info {
u8 peer[ETH_ALEN] __aligned(2);
u16 status;
const u8 *ie;
size_t ie_len;
+ int assoc_link_id;
+ u8 peer_mld_addr[ETH_ALEN] __aligned(2);
};
/**
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index d7324f6370ff..62eea4d9c803 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -19778,6 +19778,17 @@ void cfg80211_update_owe_info_event(struct net_device *netdev,
nla_put(msg, NL80211_ATTR_IE, owe_info->ie_len, owe_info->ie))
goto nla_put_failure;
+ if (owe_info->assoc_link_id != -1) {
+ if (nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID,
+ owe_info->assoc_link_id))
+ goto nla_put_failure;
+
+ if (!is_zero_ether_addr(owe_info->peer_mld_addr) &&
+ nla_put(msg, NL80211_ATTR_MLD_ADDR, ETH_ALEN,
+ owe_info->peer_mld_addr))
+ goto nla_put_failure;
+ }
+
genlmsg_end(msg, hdr);
genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
diff --git a/net/wireless/trace.h b/net/wireless/trace.h
index a405c3edbc47..68b933d28070 100644
--- a/net/wireless/trace.h
+++ b/net/wireless/trace.h
@@ -3755,14 +3755,20 @@ TRACE_EVENT(cfg80211_update_owe_info_event,
TP_STRUCT__entry(WIPHY_ENTRY
NETDEV_ENTRY
MAC_ENTRY(peer)
- __dynamic_array(u8, ie, owe_info->ie_len)),
+ __dynamic_array(u8, ie, owe_info->ie_len)
+ __field(int, assoc_link_id)
+ MAC_ENTRY(peer_mld_addr)),
TP_fast_assign(WIPHY_ASSIGN;
NETDEV_ASSIGN;
MAC_ASSIGN(peer, owe_info->peer);
memcpy(__get_dynamic_array(ie), owe_info->ie,
- owe_info->ie_len);),
- TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", peer: " MAC_PR_FMT,
- WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(peer))
+ owe_info->ie_len);
+ __entry->assoc_link_id = owe_info->assoc_link_id;
+ MAC_ASSIGN(peer_mld_addr, owe_info->peer_mld_addr);),
+ TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", peer: " MAC_PR_FMT
+ ", assoc_link_id: %d, peer_mld_addr: " MAC_PR_FMT,
+ WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(peer),
+ __entry->assoc_link_id, MAC_PR_ARG(peer_mld_addr))
);
TRACE_EVENT(cfg80211_bss_color_notify,
--
2.25.1
