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[124.248.138.161]) by smtp.gmail.com with ESMTPSA id ij28-20020a170902ab5c00b00176b66954a6sm2726822plb.121.2022.09.05.21.48.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 05 Sep 2022 21:48:57 -0700 (PDT) From: Kieran Frewen To: johannes@sipsolutions.net Cc: linux-wireless@vger.kernel.org, quic_jjohnson@quicinc.com, Kieran Frewen Subject: [PATCH v3 05/12] nl80211: support advertising S1G capabilities Date: Tue, 6 Sep 2022 16:48:05 +1200 Message-Id: <20220906044812.7609-6-kieran.frewen@morsemicro.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220906044812.7609-1-kieran.frewen@morsemicro.com> References: <20220906044812.7609-1-kieran.frewen@morsemicro.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Include S1G capabilities in netlink band info messages. Signed-off-by: Kieran Frewen --- 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 7daa2ce1cb57..f20b9aefd420 100644 --- a/include/uapi/linux/nl80211.h +++ b/include/uapi/linux/nl80211.h @@ -3994,6 +3994,10 @@ 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 */ @@ -4014,6 +4018,9 @@ 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 5e9aaa8c0d7d..931e35619cf4 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -1949,6 +1949,16 @@ 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; }