* [PATCH v2 1/2] ath10k: enable VHT160 and VHT80+80 modes
@ 2020-03-30 13:26 Sowmiya Sree Elavalagan
2020-03-30 13:26 ` [PATCH v2 2/2] ath10k: enable radar detection in secondary segment Sowmiya Sree Elavalagan
2020-04-06 16:25 ` [PATCH v2 1/2] ath10k: enable VHT160 and VHT80+80 modes Kalle Valo
0 siblings, 2 replies; 3+ messages in thread
From: Sowmiya Sree Elavalagan @ 2020-03-30 13:26 UTC (permalink / raw)
To: ath10k
Cc: linux-wireless, Lei Wang, Sebastian Gottschall, Rick Wu,
Sowmiya Sree Elavalagan
From: Lei Wang <leiwa@codeaurora.org>
Set right channel frequencies in VHT160 mode according to the VHT160
interoperability workaround added as part of IEEE Std 802.11™-2016 in
"Table 9-252—VHT Operation Information subfields", band_center_freq2
corresponds to CCFS1 in Table 9-253. Previous implementation
(band_center_freq2 = 0 for VHT160) is only deprecated.
Enable VHT80+80 mode and set the proper peer RX nss value for VHT160 and
VHT80+80 mode.
Based on patches by Sebastian Gottschall:
https://lkml.kernel.org/r/20180704095444.662-1-s.gottschall@dd-wrt.com
https://lkml.kernel.org/r/20180704120519.6479-1-s.gottschall@dd-wrt.com
Tested: qca9984 with firmware ver 10.4-3.10-00047
Co-developed-by: Sebastian Gottschall <s.gottschall@dd-wrt.com>
Signed-off-by: Sebastian Gottschall <s.gottschall@dd-wrt.com>
Co-developed-by: Rick Wu <rwu@codeaurora.org>
Signed-off-by: Rick Wu <rwu@codeaurora.org>
Signed-off-by: Lei Wang <leiwa@codeaurora.org>
Signed-off-by: Sowmiya Sree Elavalagan <ssreeela@codeaurora.org>
---
drivers/net/wireless/ath/ath10k/mac.c | 84 +++++++++++++++++++++++++----------
drivers/net/wireless/ath/ath10k/wmi.c | 23 ++++++----
drivers/net/wireless/ath/ath10k/wmi.h | 5 ++-
3 files changed, 80 insertions(+), 32 deletions(-)
diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index 2d03b8d..a59a7a5 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -2505,6 +2505,30 @@ ath10k_peer_assoc_h_vht_limit(u16 tx_mcs_set,
return tx_mcs_set;
}
+static u32 get_160mhz_nss_from_maxrate(int rate)
+{
+ u32 nss;
+
+ switch (rate) {
+ case 780:
+ nss = 1;
+ break;
+ case 1560:
+ nss = 2;
+ break;
+ case 2106:
+ nss = 3; /* not support MCS9 from spec*/
+ break;
+ case 3120:
+ nss = 4;
+ break;
+ default:
+ nss = 1;
+ }
+
+ return nss;
+}
+
static void ath10k_peer_assoc_h_vht(struct ath10k *ar,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
@@ -2512,6 +2536,7 @@ static void ath10k_peer_assoc_h_vht(struct ath10k *ar,
{
const struct ieee80211_sta_vht_cap *vht_cap = &sta->vht_cap;
struct ath10k_vif *arvif = (void *)vif->drv_priv;
+ struct ath10k_hw_params *hw = &ar->hw_params;
struct cfg80211_chan_def def;
enum nl80211_band band;
const u16 *vht_mcs_mask;
@@ -2578,22 +2603,38 @@ static void ath10k_peer_assoc_h_vht(struct ath10k *ar,
arg->peer_vht_rates.tx_mcs_set = ath10k_peer_assoc_h_vht_limit(
__le16_to_cpu(vht_cap->vht_mcs.tx_mcs_map), vht_mcs_mask);
- ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vht peer %pM max_mpdu %d flags 0x%x\n",
- sta->addr, arg->peer_max_mpdu, arg->peer_flags);
+ /* Configure bandwidth-NSS mapping to FW
+ * for the chip's tx chains setting on 160Mhz bw
+ */
+ if (arg->peer_phymode == MODE_11AC_VHT160 ||
+ arg->peer_phymode == MODE_11AC_VHT80_80) {
+ u32 rx_nss;
+ u32 max_rate;
- if (arg->peer_vht_rates.rx_max_rate &&
- (sta->vht_cap.cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK)) {
- switch (arg->peer_vht_rates.rx_max_rate) {
- case 1560:
- /* Must be 2x2 at 160Mhz is all it can do. */
- arg->peer_bw_rxnss_override = 2;
- break;
- case 780:
- /* Can only do 1x1 at 160Mhz (Long Guard Interval) */
- arg->peer_bw_rxnss_override = 1;
- break;
+ max_rate = arg->peer_vht_rates.rx_max_rate;
+ rx_nss = get_160mhz_nss_from_maxrate(max_rate);
+
+ if (rx_nss == 0)
+ rx_nss = arg->peer_num_spatial_streams;
+ else
+ rx_nss = min(arg->peer_num_spatial_streams, rx_nss);
+
+ max_rate = hw->vht160_mcs_tx_highest;
+ rx_nss = min(rx_nss, get_160mhz_nss_from_maxrate(max_rate));
+
+ arg->peer_bw_rxnss_override =
+ FIELD_PREP(WMI_PEER_NSS_MAP_ENABLE, 1) |
+ FIELD_PREP(WMI_PEER_NSS_160MHZ_MASK, (rx_nss - 1));
+
+ if (arg->peer_phymode == MODE_11AC_VHT80_80) {
+ arg->peer_bw_rxnss_override |=
+ FIELD_PREP(WMI_PEER_NSS_80_80MHZ_MASK, (rx_nss - 1));
}
}
+ ath10k_dbg(ar, ATH10K_DBG_MAC,
+ "mac vht peer %pM max_mpdu %d flags 0x%x peer_rx_nss_override 0x%x\n",
+ sta->addr, arg->peer_max_mpdu,
+ arg->peer_flags, arg->peer_bw_rxnss_override);
}
static void ath10k_peer_assoc_h_qos(struct ath10k *ar,
@@ -2745,9 +2786,9 @@ static int ath10k_peer_assoc_prepare(struct ath10k *ar,
ath10k_peer_assoc_h_crypto(ar, vif, sta, arg);
ath10k_peer_assoc_h_rates(ar, vif, sta, arg);
ath10k_peer_assoc_h_ht(ar, vif, sta, arg);
+ ath10k_peer_assoc_h_phymode(ar, vif, sta, arg);
ath10k_peer_assoc_h_vht(ar, vif, sta, arg);
ath10k_peer_assoc_h_qos(ar, vif, sta, arg);
- ath10k_peer_assoc_h_phymode(ar, vif, sta, arg);
return 0;
}
@@ -4563,13 +4604,6 @@ static struct ieee80211_sta_vht_cap ath10k_create_vht_cap(struct ath10k *ar)
vht_cap.cap |= val;
}
- /* Currently the firmware seems to be buggy, don't enable 80+80
- * mode until that's resolved.
- */
- if ((ar->vht_cap_info & IEEE80211_VHT_CAP_SHORT_GI_160) &&
- (ar->vht_cap_info & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK) == 0)
- vht_cap.cap |= IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ;
-
mcs_map = 0;
for (i = 0; i < 8; i++) {
if ((i < ar->num_rf_chains) && (ar->cfg_tx_chainmask & BIT(i)))
@@ -8625,7 +8659,9 @@ static const struct ieee80211_iface_combination ath10k_10_4_if_comb[] = {
.radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
BIT(NL80211_CHAN_WIDTH_20) |
BIT(NL80211_CHAN_WIDTH_40) |
- BIT(NL80211_CHAN_WIDTH_80),
+ BIT(NL80211_CHAN_WIDTH_80) |
+ BIT(NL80211_CHAN_WIDTH_80P80) |
+ BIT(NL80211_CHAN_WIDTH_160),
#endif
},
};
@@ -8643,7 +8679,9 @@ ieee80211_iface_combination ath10k_10_4_bcn_int_if_comb[] = {
.radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
BIT(NL80211_CHAN_WIDTH_20) |
BIT(NL80211_CHAN_WIDTH_40) |
- BIT(NL80211_CHAN_WIDTH_80),
+ BIT(NL80211_CHAN_WIDTH_80) |
+ BIT(NL80211_CHAN_WIDTH_80P80) |
+ BIT(NL80211_CHAN_WIDTH_160),
#endif
},
};
diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c
index 2ea77bb..db6f4c7 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.c
+++ b/drivers/net/wireless/ath/ath10k/wmi.c
@@ -1714,12 +1714,23 @@ void ath10k_wmi_put_wmi_channel(struct wmi_channel *ch,
if (arg->chan_radar)
flags |= WMI_CHAN_FLAG_DFS;
+ ch->band_center_freq2 = 0;
ch->mhz = __cpu_to_le32(arg->freq);
ch->band_center_freq1 = __cpu_to_le32(arg->band_center_freq1);
if (arg->mode == MODE_11AC_VHT80_80)
ch->band_center_freq2 = __cpu_to_le32(arg->band_center_freq2);
- else
- ch->band_center_freq2 = 0;
+
+ if (arg->mode == MODE_11AC_VHT160) {
+ if (arg->freq > arg->band_center_freq1)
+ ch->band_center_freq1 =
+ __cpu_to_le32(arg->band_center_freq1 + 40);
+ else
+ ch->band_center_freq1 =
+ __cpu_to_le32(arg->band_center_freq1 - 40);
+
+ ch->band_center_freq2 = __cpu_to_le32(arg->band_center_freq1);
+ }
+
ch->min_power = arg->min_power;
ch->max_power = arg->max_power;
ch->reg_power = arg->max_reg_power;
@@ -7628,12 +7639,8 @@ ath10k_wmi_peer_assoc_fill_10_4(struct ath10k *ar, void *buf,
struct wmi_10_4_peer_assoc_complete_cmd *cmd = buf;
ath10k_wmi_peer_assoc_fill_10_2(ar, buf, arg);
- if (arg->peer_bw_rxnss_override)
- cmd->peer_bw_rxnss_override =
- __cpu_to_le32((arg->peer_bw_rxnss_override - 1) |
- BIT(PEER_BW_RXNSS_OVERRIDE_OFFSET));
- else
- cmd->peer_bw_rxnss_override = 0;
+ cmd->peer_bw_rxnss_override =
+ __cpu_to_le32(arg->peer_bw_rxnss_override);
}
static int
diff --git a/drivers/net/wireless/ath/ath10k/wmi.h b/drivers/net/wireless/ath/ath10k/wmi.h
index 6df4157..5ba0c9a 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.h
+++ b/drivers/net/wireless/ath/ath10k/wmi.h
@@ -6508,7 +6508,10 @@ struct wmi_10_2_peer_assoc_complete_cmd {
__le32 info0; /* WMI_PEER_ASSOC_INFO0_ */
} __packed;
-#define PEER_BW_RXNSS_OVERRIDE_OFFSET 31
+/* NSS Mapping to FW */
+#define WMI_PEER_NSS_MAP_ENABLE BIT(31)
+#define WMI_PEER_NSS_160MHZ_MASK GENMASK(2, 0)
+#define WMI_PEER_NSS_80_80MHZ_MASK GENMASK(5, 3)
struct wmi_10_4_peer_assoc_complete_cmd {
struct wmi_10_2_peer_assoc_complete_cmd cmd;
--
2.7.4
^ permalink raw reply related [flat|nested] 3+ messages in thread
* [PATCH v2 2/2] ath10k: enable radar detection in secondary segment
2020-03-30 13:26 [PATCH v2 1/2] ath10k: enable VHT160 and VHT80+80 modes Sowmiya Sree Elavalagan
@ 2020-03-30 13:26 ` Sowmiya Sree Elavalagan
2020-04-06 16:25 ` [PATCH v2 1/2] ath10k: enable VHT160 and VHT80+80 modes Kalle Valo
1 sibling, 0 replies; 3+ messages in thread
From: Sowmiya Sree Elavalagan @ 2020-03-30 13:26 UTC (permalink / raw)
To: ath10k; +Cc: linux-wireless, Lei Wang, Sowmiya Sree Elavalagan
From: Lei Wang <leiwa@codeaurora.org>
Enable radar detection in secondary segment for VHT160 and VHT80+80 mode
on DFS channels. Otherwise, when injecting radar pulse in the secondary
segment, the DUT can't detect radar pulse.
Tested: qca9984 with firmware ver 10.4-3.10-00047
Signed-off-by: Lei Wang <leiwa@codeaurora.org>
Signed-off-by: Sowmiya Sree Elavalagan <ssreeela@codeaurora.org>
---
drivers/net/wireless/ath/ath10k/wmi-tlv.c | 6 ++---
drivers/net/wireless/ath/ath10k/wmi.c | 39 ++++++++++++++++++++++---------
drivers/net/wireless/ath/ath10k/wmi.h | 5 ++--
3 files changed, 34 insertions(+), 16 deletions(-)
diff --git a/drivers/net/wireless/ath/ath10k/wmi-tlv.c b/drivers/net/wireless/ath/ath10k/wmi-tlv.c
index 4e68deb..e1ab900f 100644
--- a/drivers/net/wireless/ath/ath10k/wmi-tlv.c
+++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.c
@@ -2123,7 +2123,7 @@ ath10k_wmi_tlv_op_gen_vdev_start(struct ath10k *ar,
tlv->tag = __cpu_to_le16(WMI_TLV_TAG_STRUCT_CHANNEL);
tlv->len = __cpu_to_le16(sizeof(*ch));
ch = (void *)tlv->value;
- ath10k_wmi_put_wmi_channel(ch, &arg->channel);
+ ath10k_wmi_put_wmi_channel(ar, ch, &arg->channel);
ptr += sizeof(*tlv);
ptr += sizeof(*ch);
@@ -2763,7 +2763,7 @@ ath10k_wmi_tlv_op_gen_scan_chan_list(struct ath10k *ar,
tlv->len = __cpu_to_le16(sizeof(*ci));
ci = (void *)tlv->value;
- ath10k_wmi_put_wmi_channel(ci, ch);
+ ath10k_wmi_put_wmi_channel(ar, ci, ch);
chans += sizeof(*tlv);
chans += sizeof(*ci);
@@ -3450,7 +3450,7 @@ ath10k_wmi_tlv_op_gen_tdls_peer_update(struct ath10k *ar,
tlv->tag = __cpu_to_le16(WMI_TLV_TAG_STRUCT_CHANNEL);
tlv->len = __cpu_to_le16(sizeof(*chan));
chan = (void *)tlv->value;
- ath10k_wmi_put_wmi_channel(chan, &chan_arg[i]);
+ ath10k_wmi_put_wmi_channel(ar, chan, &chan_arg[i]);
ptr += sizeof(*tlv);
ptr += sizeof(*chan);
diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c
index db6f4c7..4a3a698 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.c
+++ b/drivers/net/wireless/ath/ath10k/wmi.c
@@ -1694,10 +1694,11 @@ static const struct wmi_peer_flags_map wmi_10_2_peer_flags_map = {
.bw160 = WMI_10_2_PEER_160MHZ,
};
-void ath10k_wmi_put_wmi_channel(struct wmi_channel *ch,
+void ath10k_wmi_put_wmi_channel(struct ath10k *ar, struct wmi_channel *ch,
const struct wmi_channel_arg *arg)
{
u32 flags = 0;
+ struct ieee80211_channel *chan = NULL;
memset(ch, 0, sizeof(*ch));
@@ -1717,20 +1718,36 @@ void ath10k_wmi_put_wmi_channel(struct wmi_channel *ch,
ch->band_center_freq2 = 0;
ch->mhz = __cpu_to_le32(arg->freq);
ch->band_center_freq1 = __cpu_to_le32(arg->band_center_freq1);
- if (arg->mode == MODE_11AC_VHT80_80)
+ if (arg->mode == MODE_11AC_VHT80_80) {
ch->band_center_freq2 = __cpu_to_le32(arg->band_center_freq2);
+ chan = ieee80211_get_channel(ar->hw->wiphy,
+ arg->band_center_freq2 - 10);
+ }
if (arg->mode == MODE_11AC_VHT160) {
- if (arg->freq > arg->band_center_freq1)
- ch->band_center_freq1 =
- __cpu_to_le32(arg->band_center_freq1 + 40);
- else
- ch->band_center_freq1 =
- __cpu_to_le32(arg->band_center_freq1 - 40);
+ u32 band_center_freq1;
+ u32 band_center_freq2;
+
+ if (arg->freq > arg->band_center_freq1) {
+ band_center_freq1 = arg->band_center_freq1 + 40;
+ band_center_freq2 = arg->band_center_freq1 - 40;
+ } else {
+ band_center_freq1 = arg->band_center_freq1 - 40;
+ band_center_freq2 = arg->band_center_freq1 + 40;
+ }
+ ch->band_center_freq1 =
+ __cpu_to_le32(band_center_freq1);
+ /* Minus 10 to get a defined 5G channel frequency*/
+ chan = ieee80211_get_channel(ar->hw->wiphy,
+ band_center_freq2 - 10);
+ /* The center frequency of the entire VHT160 */
ch->band_center_freq2 = __cpu_to_le32(arg->band_center_freq1);
}
+ if (chan && chan->flags & IEEE80211_CHAN_RADAR)
+ flags |= WMI_CHAN_FLAG_DFS_CFREQ2;
+
ch->min_power = arg->min_power;
ch->max_power = arg->max_power;
ch->reg_power = arg->max_reg_power;
@@ -7176,7 +7193,7 @@ ath10k_wmi_op_gen_vdev_start(struct ath10k *ar,
memcpy(cmd->ssid.ssid, arg->ssid, arg->ssid_len);
}
- ath10k_wmi_put_wmi_channel(&cmd->chan, &arg->channel);
+ ath10k_wmi_put_wmi_channel(ar, &cmd->chan, &arg->channel);
ath10k_dbg(ar, ATH10K_DBG_WMI,
"wmi vdev %s id 0x%x flags: 0x%0X, freq %d, mode %d, ch_flags: 0x%0X, max_power: %d\n",
@@ -7548,7 +7565,7 @@ ath10k_wmi_op_gen_scan_chan_list(struct ath10k *ar,
ch = &arg->channels[i];
ci = &cmd->chan_info[i];
- ath10k_wmi_put_wmi_channel(ci, ch);
+ ath10k_wmi_put_wmi_channel(ar, ci, ch);
}
return skb;
@@ -8952,7 +8969,7 @@ ath10k_wmi_10_4_gen_tdls_peer_update(struct ath10k *ar,
for (i = 0; i < cap->peer_chan_len; i++) {
chan = (struct wmi_channel *)&peer_cap->peer_chan_list[i];
- ath10k_wmi_put_wmi_channel(chan, &chan_arg[i]);
+ ath10k_wmi_put_wmi_channel(ar, chan, &chan_arg[i]);
}
ath10k_dbg(ar, ATH10K_DBG_WMI,
diff --git a/drivers/net/wireless/ath/ath10k/wmi.h b/drivers/net/wireless/ath/ath10k/wmi.h
index 5ba0c9a..2090707 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.h
+++ b/drivers/net/wireless/ath/ath10k/wmi.h
@@ -2094,7 +2094,8 @@ enum wmi_channel_change_cause {
/* Indicate reason for channel switch */
#define WMI_CHANNEL_CHANGE_CAUSE_CSA (1 << 13)
-
+/* DFS required on channel for 2nd segment of VHT160 and VHT80+80*/
+#define WMI_CHAN_FLAG_DFS_CFREQ2 (1 << 15)
#define WMI_MAX_SPATIAL_STREAM 3 /* default max ss */
/* HT Capabilities*/
@@ -7351,7 +7352,7 @@ void ath10k_wmi_put_start_scan_common(struct wmi_start_scan_common *cmn,
const struct wmi_start_scan_arg *arg);
void ath10k_wmi_set_wmm_param(struct wmi_wmm_params *params,
const struct wmi_wmm_params_arg *arg);
-void ath10k_wmi_put_wmi_channel(struct wmi_channel *ch,
+void ath10k_wmi_put_wmi_channel(struct ath10k *ar, struct wmi_channel *ch,
const struct wmi_channel_arg *arg);
int ath10k_wmi_start_scan_verify(const struct wmi_start_scan_arg *arg);
--
2.7.4
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH v2 1/2] ath10k: enable VHT160 and VHT80+80 modes
2020-03-30 13:26 [PATCH v2 1/2] ath10k: enable VHT160 and VHT80+80 modes Sowmiya Sree Elavalagan
2020-03-30 13:26 ` [PATCH v2 2/2] ath10k: enable radar detection in secondary segment Sowmiya Sree Elavalagan
@ 2020-04-06 16:25 ` Kalle Valo
1 sibling, 0 replies; 3+ messages in thread
From: Kalle Valo @ 2020-04-06 16:25 UTC (permalink / raw)
To: Sowmiya Sree Elavalagan
Cc: ath10k, linux-wireless, Lei Wang, Sebastian Gottschall, Rick Wu,
Sowmiya Sree Elavalagan
Sowmiya Sree Elavalagan <ssreeela@codeaurora.org> wrote:
> Set right channel frequencies in VHT160 mode according to the VHT160
> interoperability workaround added as part of IEEE Std 802.11™-2016 in
> "Table 9-252—VHT Operation Information subfields", band_center_freq2
> corresponds to CCFS1 in Table 9-253. Previous implementation
> (band_center_freq2 = 0 for VHT160) is only deprecated.
>
> Enable VHT80+80 mode and set the proper peer RX nss value for VHT160 and
> VHT80+80 mode.
>
> Based on patches by Sebastian Gottschall:
>
> https://lkml.kernel.org/r/20180704095444.662-1-s.gottschall@dd-wrt.com
>
> https://lkml.kernel.org/r/20180704120519.6479-1-s.gottschall@dd-wrt.com
>
> Tested: qca9984 with firmware ver 10.4-3.10-00047
>
> Co-developed-by: Sebastian Gottschall <s.gottschall@dd-wrt.com>
> Signed-off-by: Sebastian Gottschall <s.gottschall@dd-wrt.com>
> Co-developed-by: Rick Wu <rwu@codeaurora.org>
> Signed-off-by: Rick Wu <rwu@codeaurora.org>
> Signed-off-by: Lei Wang <leiwa@codeaurora.org>
> Signed-off-by: Sowmiya Sree Elavalagan <ssreeela@codeaurora.org>
> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2 patches applied to ath-next branch of ath.git, thanks.
3db24065c2c8 ath10k: enable VHT160 and VHT80+80 modes
795def8b14ff ath10k: enable radar detection in secondary segment
--
https://patchwork.kernel.org/patch/11465505/
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2020-04-06 16:26 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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