diff options
| author | Kieran Frewen <kieran.frewen@morsemicro.com> | 2023-02-23 06:25:12 +0300 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2023-03-30 13:02:11 +0300 |
| commit | 0333a81bc83431d7f90391d38aa09e856c5e5b25 (patch) | |
| tree | becd97b1f2e280c2cf30dc8d6e1656d49554f04e | |
| parent | 968a768d28530cadd13aab51531f8fec70bf9eae (diff) | |
| download | linux-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>
| -rw-r--r-- | net/mac80211/ieee80211_i.h | 1 | ||||
| -rw-r--r-- | net/mac80211/util.c | 23 |
2 files changed, 24 insertions, 0 deletions
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index 85ecbf57d64e..cdc80285efd4 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -2491,6 +2491,7 @@ void ieee80211_add_s1g_capab_ie(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb); void ieee80211_add_aid_request_ie(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb); +u8 *ieee80211_ie_build_s1g_cap(u8 *pos, struct ieee80211_sta_s1g_cap *s1g_cap); /* channel management */ bool ieee80211_chandef_ht_oper(const struct ieee80211_ht_operation *ht_oper, 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) { |