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authorKieran Frewen <kieran.frewen@morsemicro.com>2023-02-23 06:25:12 +0300
committerJohannes Berg <johannes.berg@intel.com>2023-03-30 13:02:11 +0300
commit0333a81bc83431d7f90391d38aa09e856c5e5b25 (patch)
treebecd97b1f2e280c2cf30dc8d6e1656d49554f04e /net/mac80211/util.c
parent968a768d28530cadd13aab51531f8fec70bf9eae (diff)
downloadlinux-0333a81bc83431d7f90391d38aa09e856c5e5b25.tar.xz
wifi: mac80211: S1G capabilities information element in probe request
Add the missing S1G capabilities information element to probe requests. Signed-off-by: Kieran Frewen <kieran.frewen@morsemicro.com> Co-developed-by: Gilad Itzkovitch <gilad.itzkovitch@morsemicro.com> Signed-off-by: Gilad Itzkovitch <gilad.itzkovitch@morsemicro.com> Link: https://lore.kernel.org/r/20230223032512.3848105-1-gilad.itzkovitch@virscient.com Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/util.c')
-rw-r--r--net/mac80211/util.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 1a28fe5cb614..10ac9819ed91 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -1959,6 +1959,14 @@ static int ieee80211_build_preq_ies_band(struct ieee80211_sub_if_data *sdata,
rate_flags = ieee80211_chandef_rate_flags(chandef);
shift = ieee80211_chandef_get_shift(chandef);
+ /* For direct scan add S1G IE and consider its override bits */
+ if (band == NL80211_BAND_S1GHZ) {
+ if (end - pos < 2 + sizeof(struct ieee80211_s1g_cap))
+ goto out_err;
+ pos = ieee80211_ie_build_s1g_cap(pos, &sband->s1g_cap);
+ goto done;
+ }
+
num_rates = 0;
for (i = 0; i < sband->n_bitrates; i++) {
if ((BIT(i) & rate_mask) == 0)
@@ -3020,6 +3028,21 @@ size_t ieee80211_ie_split_vendor(const u8 *ies, size_t ielen, size_t offset)
return pos;
}
+u8 *ieee80211_ie_build_s1g_cap(u8 *pos, struct ieee80211_sta_s1g_cap *s1g_cap)
+{
+ *pos++ = WLAN_EID_S1G_CAPABILITIES;
+ *pos++ = sizeof(struct ieee80211_s1g_cap);
+ memset(pos, 0, sizeof(struct ieee80211_s1g_cap));
+
+ memcpy(pos, &s1g_cap->cap, sizeof(s1g_cap->cap));
+ pos += sizeof(s1g_cap->cap);
+
+ memcpy(pos, &s1g_cap->nss_mcs, sizeof(s1g_cap->nss_mcs));
+ pos += sizeof(s1g_cap->nss_mcs);
+
+ return pos;
+}
+
u8 *ieee80211_ie_build_ht_cap(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap,
u16 cap)
{