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-rw-r--r--net/mac80211/ieee80211_i.h2
-rw-r--r--net/mac80211/mesh.c73
-rw-r--r--net/mac80211/mesh.h4
-rw-r--r--net/mac80211/mesh_plink.c16
-rw-r--r--net/mac80211/util.c71
5 files changed, 162 insertions, 4 deletions
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 8c058351e629..9b7e184430b8 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -2479,6 +2479,8 @@ void ieee80211_ie_build_he_6ghz_cap(struct ieee80211_sub_if_data *sdata,
enum ieee80211_smps_mode smps_mode,
struct sk_buff *skb);
u8 *ieee80211_ie_build_he_oper(u8 *pos, struct cfg80211_chan_def *chandef);
+u8 *ieee80211_ie_build_eht_oper(u8 *pos, struct cfg80211_chan_def *chandef,
+ const struct ieee80211_sta_eht_cap *eht_cap);
int ieee80211_parse_bitrates(enum nl80211_chan_width width,
const struct ieee80211_supported_band *sband,
const u8 *srates, int srates_len, u32 *rates);
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index 6b94cf2a4046..f72333201903 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -105,7 +105,7 @@ bool mesh_matches_local(struct ieee80211_sub_if_data *sdata,
ieee80211_chandef_vht_oper(&sdata->local->hw, vht_cap_info,
ie->vht_operation, ie->ht_operation,
&sta_chan_def);
- ieee80211_chandef_he_6ghz_oper(sdata, ie->he_operation, NULL,
+ ieee80211_chandef_he_6ghz_oper(sdata, ie->he_operation, ie->eht_operation,
&sta_chan_def);
if (!cfg80211_chandef_compatible(&sdata->vif.bss_conf.chandef,
@@ -639,6 +639,65 @@ int mesh_add_he_6ghz_cap_ie(struct ieee80211_sub_if_data *sdata,
return 0;
}
+int mesh_add_eht_cap_ie(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb, u8 ie_len)
+{
+ const struct ieee80211_sta_he_cap *he_cap;
+ const struct ieee80211_sta_eht_cap *eht_cap;
+ struct ieee80211_supported_band *sband;
+ u8 *pos;
+
+ sband = ieee80211_get_sband(sdata);
+ if (!sband)
+ return -EINVAL;
+
+ he_cap = ieee80211_get_he_iftype_cap(sband, NL80211_IFTYPE_MESH_POINT);
+ eht_cap = ieee80211_get_eht_iftype_cap(sband, NL80211_IFTYPE_MESH_POINT);
+ if (!he_cap || !eht_cap ||
+ sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT ||
+ sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_5 ||
+ sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_10)
+ return 0;
+
+ if (skb_tailroom(skb) < ie_len)
+ return -ENOMEM;
+
+ pos = skb_put(skb, ie_len);
+ ieee80211_ie_build_eht_cap(pos, he_cap, eht_cap, pos + ie_len, false);
+
+ return 0;
+}
+
+int mesh_add_eht_oper_ie(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb)
+{
+ const struct ieee80211_sta_eht_cap *eht_cap;
+ struct ieee80211_supported_band *sband;
+ u32 len;
+ u8 *pos;
+
+ sband = ieee80211_get_sband(sdata);
+ if (!sband)
+ return -EINVAL;
+
+ eht_cap = ieee80211_get_eht_iftype_cap(sband, NL80211_IFTYPE_MESH_POINT);
+ if (!eht_cap ||
+ sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT ||
+ sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_5 ||
+ sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_10)
+ return 0;
+
+ len = 2 + 1 + offsetof(struct ieee80211_eht_operation, optional) +
+ offsetof(struct ieee80211_eht_operation_info, optional);
+
+ if (skb_tailroom(skb) < len)
+ return -ENOMEM;
+
+ pos = skb_put(skb, len);
+ ieee80211_ie_build_eht_oper(pos, &sdata->vif.bss_conf.chandef, eht_cap);
+
+ return 0;
+}
+
static void ieee80211_mesh_path_timer(struct timer_list *t)
{
struct ieee80211_sub_if_data *sdata =
@@ -697,6 +756,9 @@ ieee80211_mesh_update_bss_params(struct ieee80211_sub_if_data *sdata,
if (he_oper)
sdata->vif.bss_conf.he_oper.params =
__le32_to_cpu(he_oper->he_oper_params);
+
+ sdata->vif.bss_conf.eht_support =
+ !!ieee80211_get_eht_iftype_cap(sband, NL80211_IFTYPE_MESH_POINT);
}
bool ieee80211_mesh_xmit_fast(struct ieee80211_sub_if_data *sdata,
@@ -903,7 +965,7 @@ ieee80211_mesh_build_beacon(struct ieee80211_if_mesh *ifmsh)
struct ieee80211_chanctx_conf *chanctx_conf;
struct mesh_csa_settings *csa;
enum nl80211_band band;
- u8 ie_len_he_cap;
+ u8 ie_len_he_cap, ie_len_eht_cap;
u8 *pos;
struct ieee80211_sub_if_data *sdata;
int hdr_len = offsetofend(struct ieee80211_mgmt, u.beacon);
@@ -916,6 +978,8 @@ ieee80211_mesh_build_beacon(struct ieee80211_if_mesh *ifmsh)
ie_len_he_cap = ieee80211_ie_len_he_cap(sdata,
NL80211_IFTYPE_MESH_POINT);
+ ie_len_eht_cap = ieee80211_ie_len_eht_cap(sdata,
+ NL80211_IFTYPE_MESH_POINT);
head_len = hdr_len +
2 + /* NULL SSID */
/* Channel Switch Announcement */
@@ -939,6 +1003,9 @@ ieee80211_mesh_build_beacon(struct ieee80211_if_mesh *ifmsh)
2 + 1 + sizeof(struct ieee80211_he_operation) +
sizeof(struct ieee80211_he_6ghz_oper) +
2 + 1 + sizeof(struct ieee80211_he_6ghz_capa) +
+ ie_len_eht_cap +
+ 2 + 1 + offsetof(struct ieee80211_eht_operation, optional) +
+ offsetof(struct ieee80211_eht_operation_info, optional) +
ifmsh->ie_len;
bcn = kzalloc(sizeof(*bcn) + head_len + tail_len, GFP_KERNEL);
@@ -1059,6 +1126,8 @@ ieee80211_mesh_build_beacon(struct ieee80211_if_mesh *ifmsh)
mesh_add_he_cap_ie(sdata, skb, ie_len_he_cap) ||
mesh_add_he_oper_ie(sdata, skb) ||
mesh_add_he_6ghz_cap_ie(sdata, skb) ||
+ mesh_add_eht_cap_ie(sdata, skb, ie_len_eht_cap) ||
+ mesh_add_eht_oper_ie(sdata, skb) ||
mesh_add_vendor_ies(sdata, skb))
goto out_free;
diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h
index 13f394e677ae..022f41292a05 100644
--- a/net/mac80211/mesh.h
+++ b/net/mac80211/mesh.h
@@ -234,6 +234,10 @@ int mesh_add_he_oper_ie(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb);
int mesh_add_he_6ghz_cap_ie(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb);
+int mesh_add_eht_cap_ie(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb, u8 ie_len);
+int mesh_add_eht_oper_ie(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb);
void mesh_rmc_free(struct ieee80211_sub_if_data *sdata);
int mesh_rmc_init(struct ieee80211_sub_if_data *sdata);
void ieee80211s_init(void);
diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c
index ddfe5102b9a4..8f168bc4e4b8 100644
--- a/net/mac80211/mesh_plink.c
+++ b/net/mac80211/mesh_plink.c
@@ -219,12 +219,14 @@ static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata,
bool include_plid = false;
u16 peering_proto = 0;
u8 *pos, ie_len = 4;
- u8 ie_len_he_cap;
+ u8 ie_len_he_cap, ie_len_eht_cap;
int hdr_len = offsetofend(struct ieee80211_mgmt, u.action.u.self_prot);
int err = -ENOMEM;
ie_len_he_cap = ieee80211_ie_len_he_cap(sdata,
NL80211_IFTYPE_MESH_POINT);
+ ie_len_eht_cap = ieee80211_ie_len_eht_cap(sdata,
+ NL80211_IFTYPE_MESH_POINT);
skb = dev_alloc_skb(local->tx_headroom +
hdr_len +
2 + /* capability info */
@@ -241,6 +243,9 @@ static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata,
2 + 1 + sizeof(struct ieee80211_he_operation) +
sizeof(struct ieee80211_he_6ghz_oper) +
2 + 1 + sizeof(struct ieee80211_he_6ghz_capa) +
+ ie_len_eht_cap +
+ 2 + 1 + offsetof(struct ieee80211_eht_operation, optional) +
+ offsetof(struct ieee80211_eht_operation_info, optional) +
2 + 8 + /* peering IE */
sdata->u.mesh.ie_len);
if (!skb)
@@ -332,7 +337,9 @@ static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata,
mesh_add_vht_oper_ie(sdata, skb) ||
mesh_add_he_cap_ie(sdata, skb, ie_len_he_cap) ||
mesh_add_he_oper_ie(sdata, skb) ||
- mesh_add_he_6ghz_cap_ie(sdata, skb))
+ mesh_add_he_6ghz_cap_ie(sdata, skb) ||
+ mesh_add_eht_cap_ie(sdata, skb, ie_len_eht_cap) ||
+ mesh_add_eht_oper_ie(sdata, skb))
goto free;
}
@@ -451,6 +458,11 @@ static void mesh_sta_info_init(struct ieee80211_sub_if_data *sdata,
elems->he_6ghz_capa,
&sta->deflink);
+ ieee80211_eht_cap_ie_to_sta_eht_cap(sdata, sband, elems->he_cap,
+ elems->he_cap_len,
+ elems->eht_cap, elems->eht_cap_len,
+ &sta->deflink);
+
if (bw != sta->sta.deflink.bandwidth)
changed |= IEEE80211_RC_BW_CHANGED;
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 9f5cc16538f3..1527d6aafc14 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -3485,6 +3485,77 @@ out:
return pos;
}
+u8 *ieee80211_ie_build_eht_oper(u8 *pos, struct cfg80211_chan_def *chandef,
+ const struct ieee80211_sta_eht_cap *eht_cap)
+
+{
+ const struct ieee80211_eht_mcs_nss_supp_20mhz_only *eht_mcs_nss =
+ &eht_cap->eht_mcs_nss_supp.only_20mhz;
+ struct ieee80211_eht_operation *eht_oper;
+ struct ieee80211_eht_operation_info *eht_oper_info;
+ u8 eht_oper_len = offsetof(struct ieee80211_eht_operation, optional);
+ u8 eht_oper_info_len =
+ offsetof(struct ieee80211_eht_operation_info, optional);
+ u8 chan_width = 0;
+
+ *pos++ = WLAN_EID_EXTENSION;
+ *pos++ = 1 + eht_oper_len + eht_oper_info_len;
+ *pos++ = WLAN_EID_EXT_EHT_OPERATION;
+
+ eht_oper = (struct ieee80211_eht_operation *)pos;
+
+ memcpy(&eht_oper->basic_mcs_nss, eht_mcs_nss, sizeof(*eht_mcs_nss));
+ eht_oper->params |= IEEE80211_EHT_OPER_INFO_PRESENT;
+ pos += eht_oper_len;
+
+ eht_oper_info =
+ (struct ieee80211_eht_operation_info *)eht_oper->optional;
+
+ eht_oper_info->ccfs0 =
+ ieee80211_frequency_to_channel(chandef->center_freq1);
+ if (chandef->center_freq2)
+ eht_oper_info->ccfs1 =
+ ieee80211_frequency_to_channel(chandef->center_freq2);
+ else
+ eht_oper_info->ccfs1 = 0;
+
+ switch (chandef->width) {
+ case NL80211_CHAN_WIDTH_320:
+ chan_width = IEEE80211_EHT_OPER_CHAN_WIDTH_320MHZ;
+ eht_oper_info->ccfs1 = eht_oper_info->ccfs0;
+ if (chandef->chan->center_freq < chandef->center_freq1)
+ eht_oper_info->ccfs0 -= 16;
+ else
+ eht_oper_info->ccfs0 += 16;
+ break;
+ case NL80211_CHAN_WIDTH_160:
+ eht_oper_info->ccfs1 = eht_oper_info->ccfs0;
+ if (chandef->chan->center_freq < chandef->center_freq1)
+ eht_oper_info->ccfs0 -= 8;
+ else
+ eht_oper_info->ccfs0 += 8;
+ fallthrough;
+ case NL80211_CHAN_WIDTH_80P80:
+ chan_width = IEEE80211_EHT_OPER_CHAN_WIDTH_160MHZ;
+ break;
+ case NL80211_CHAN_WIDTH_80:
+ chan_width = IEEE80211_EHT_OPER_CHAN_WIDTH_80MHZ;
+ break;
+ case NL80211_CHAN_WIDTH_40:
+ chan_width = IEEE80211_EHT_OPER_CHAN_WIDTH_40MHZ;
+ break;
+ default:
+ chan_width = IEEE80211_EHT_OPER_CHAN_WIDTH_20MHZ;
+ break;
+ }
+ eht_oper_info->control = chan_width;
+ pos += eht_oper_info_len;
+
+ /* TODO: eht_oper_info->optional */
+
+ return pos;
+}
+
bool ieee80211_chandef_ht_oper(const struct ieee80211_ht_operation *ht_oper,
struct cfg80211_chan_def *chandef)
{
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-11 20:04:14 +0000