2022-07-11 01:09:46

by Kieran Frewen

[permalink] [raw]
Subject: [PATCH 05/12] nl80211: support advertising S1G capabilities

Include S1G capabilities in netlink band info messages.

Signed-off-by: Kieran Frewen <[email protected]>
Signed-off-by: Bassem Dawood <[email protected]>
---
include/uapi/linux/nl80211.h | 7 +++++++
net/wireless/nl80211.c | 10 ++++++++++
2 files changed, 17 insertions(+)

diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h
index bd6e2cae1dd3..71074332ccc5 100644
--- a/include/uapi/linux/nl80211.h
+++ b/include/uapi/linux/nl80211.h
@@ -3933,6 +3933,10 @@ enum nl80211_band_iftype_attr {
* @NL80211_BAND_ATTR_EDMG_BW_CONFIG: Channel BW Configuration subfield encodes
* the allowed channel bandwidth configurations.
* Defined by IEEE P802.11ay/D4.0 section 9.4.2.251, Table 13.
+ * @NL80211_BAND_ATTR_S1G_MCS_NSS_SET: S1G capabilities, supported S1G-MCS and NSS
+ * set subfield, as in the S1G information IE, 5 bytes
+ * @NL80211_BAND_ATTR_S1G_CAPA: S1G capabilities information subfield as in the
+ * S1G information IE, 10 bytes
* @NL80211_BAND_ATTR_MAX: highest band attribute currently defined
* @__NL80211_BAND_ATTR_AFTER_LAST: internal use
*/
@@ -3953,6 +3957,9 @@ enum nl80211_band_attr {
NL80211_BAND_ATTR_EDMG_CHANNELS,
NL80211_BAND_ATTR_EDMG_BW_CONFIG,

+ NL80211_BAND_ATTR_S1G_MCS_NSS_SET,
+ NL80211_BAND_ATTR_S1G_CAPA,
+
/* keep last */
__NL80211_BAND_ATTR_AFTER_LAST,
NL80211_BAND_ATTR_MAX = __NL80211_BAND_ATTR_AFTER_LAST - 1
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index ab47e4130141..077dc2938551 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -1942,6 +1942,16 @@ static int nl80211_send_band_rateinfo(struct sk_buff *msg,

nla_nest_end(msg, nl_rates);

+ /* S1G capabilities */
+ if (sband->band == NL80211_BAND_S1GHZ && sband->s1g_cap.s1g &&
+ (nla_put(msg, NL80211_BAND_ATTR_S1G_CAPA,
+ sizeof(sband->s1g_cap.cap),
+ sband->s1g_cap.cap) ||
+ nla_put(msg, NL80211_BAND_ATTR_S1G_MCS_NSS_SET,
+ sizeof(sband->s1g_cap.nss_mcs),
+ sband->s1g_cap.nss_mcs)))
+ return -ENOBUFS;
+
return 0;
}

--
2.25.1