From: Igor Mitsyanko <igor.mitsyanko...@quantenna.com>
Specifically, it has to report center frequency, secondary center
frequency (for 80+80) and BW.
Introduce channel definition structure to qlink and modify channel
change event processing function accordingly.
Signed-off-by: Igor Mitsyanko <igor.mitsyanko...@quantenna.com>
---
drivers/net/wireless/quantenna/qtnfmac/event.c | 29 ++++++------
drivers/net/wireless/quantenna/qtnfmac/qlink.h | 18 +++++++-
.../net/wireless/quantenna/qtnfmac/qlink_util.c | 52 ++++++++++++++++++++++
.../net/wireless/quantenna/qtnfmac/qlink_util.h | 4 ++
4 files changed, 85 insertions(+), 18 deletions(-)
diff --git a/drivers/net/wireless/quantenna/qtnfmac/event.c
b/drivers/net/wireless/quantenna/qtnfmac/event.c
index 0fc2814..df58e83 100644
--- a/drivers/net/wireless/quantenna/qtnfmac/event.c
+++ b/drivers/net/wireless/quantenna/qtnfmac/event.c
@@ -25,6 +25,7 @@
#include "trans.h"
#include "util.h"
#include "event.h"
+#include "qlink_util.h"
static int
qtnf_event_handle_sta_assoc(struct qtnf_wmac *mac, struct qtnf_vif *vif,
@@ -359,39 +360,35 @@ qtnf_event_handle_freq_change(struct qtnf_wmac *mac,
{
struct wiphy *wiphy = priv_to_wiphy(mac);
struct cfg80211_chan_def chandef;
- struct ieee80211_channel *chan;
struct qtnf_vif *vif;
- int freq;
int i;
if (len < sizeof(*data)) {
- pr_err("payload is too short\n");
+ pr_err("MAC%u: payload is too short\n", mac->macid);
return -EINVAL;
}
- freq = le32_to_cpu(data->freq);
- chan = ieee80211_get_channel(wiphy, freq);
- if (!chan) {
- pr_err("channel at %d MHz not found\n", freq);
+ qlink_chandef_q2cfg(wiphy, &data->chan, &chandef);
+
+ if (!cfg80211_chandef_valid(&chandef)) {
+ pr_err("MAC%u: bad channel f1=%u f2=%u bw=%u\n", mac->macid,
+ chandef.center_freq1, chandef.center_freq2,
+ chandef.width);
return -EINVAL;
}
- pr_debug("MAC%d switch to new channel %u MHz\n", mac->macid, freq);
+ pr_debug("MAC%d: new channel ieee=%u freq1=%u freq2=%u bw=%u\n",
+ mac->macid, chandef.chan->hw_value, chandef.center_freq1,
+ chandef.center_freq2, chandef.width);
if (mac->status & QTNF_MAC_CSA_ACTIVE) {
mac->status &= ~QTNF_MAC_CSA_ACTIVE;
- if (chan->hw_value != mac->csa_chandef.chan->hw_value)
+ if (chandef.chan->hw_value != mac->csa_chandef.chan->hw_value)
pr_warn("unexpected switch to %u during CSA to %u\n",
- chan->hw_value,
+ chandef.chan->hw_value,
mac->csa_chandef.chan->hw_value);
}
- /* FIXME: need to figure out proper nl80211_channel_type value */
- cfg80211_chandef_create(&chandef, chan, NL80211_CHAN_HT20);
- /* fall-back to minimal safe chandef description */
- if (!cfg80211_chandef_valid(&chandef))
- cfg80211_chandef_create(&chandef, chan, NL80211_CHAN_HT20);
-
memcpy(&mac->chandef, &chandef, sizeof(mac->chandef));
for (i = 0; i < QTNF_MAX_INTF; i++) {
diff --git a/drivers/net/wireless/quantenna/qtnfmac/qlink.h
b/drivers/net/wireless/quantenna/qtnfmac/qlink.h
index a69fd470..5936854 100644
--- a/drivers/net/wireless/quantenna/qtnfmac/qlink.h
+++ b/drivers/net/wireless/quantenna/qtnfmac/qlink.h
@@ -118,6 +118,20 @@ enum qlink_channel_width {
QLINK_CHAN_WIDTH_160,
};
+/**
+ * struct qlink_chandef - qlink channel definition
+ *
+ * @center_freq1: center frequency of first segment
+ * @center_freq2: center frequency of second segment (80+80 only)
+ * @width: channel width, one of @enum qlink_channel_width
+ */
+struct qlink_chandef {
+ __le16 center_freq1;
+ __le16 center_freq2;
+ u8 width;
+ u8 rsvd[3];
+} __packed;
+
/* QLINK Command messages related definitions
*/
@@ -764,11 +778,11 @@ struct qlink_event_bss_leave {
/**
* struct qlink_event_freq_change - data for QLINK_EVENT_FREQ_CHANGE event
*
- * @freq: new operating frequency in MHz
+ * @chan: new operating channel definition
*/
struct qlink_event_freq_change {
struct qlink_event ehdr;
- __le32 freq;
+ struct qlink_chandef chan;
} __packed;
enum qlink_rxmgmt_flags {
diff --git a/drivers/net/wireless/quantenna/qtnfmac/qlink_util.c
b/drivers/net/wireless/quantenna/qtnfmac/qlink_util.c
index 369b77d..3c1db5b 100644
--- a/drivers/net/wireless/quantenna/qtnfmac/qlink_util.c
+++ b/drivers/net/wireless/quantenna/qtnfmac/qlink_util.c
@@ -75,3 +75,55 @@ u8 qlink_chan_width_mask_to_nl(u16 qlink_mask)
return result;
}
+
+static enum nl80211_chan_width qlink_chanwidth_to_nl(u8 qlw)
+{
+ switch (qlw) {
+ case QLINK_CHAN_WIDTH_20_NOHT:
+ return NL80211_CHAN_WIDTH_20_NOHT;
+ case QLINK_CHAN_WIDTH_20:
+ return NL80211_CHAN_WIDTH_20;
+ case QLINK_CHAN_WIDTH_40:
+ return NL80211_CHAN_WIDTH_40;
+ case QLINK_CHAN_WIDTH_80:
+ return NL80211_CHAN_WIDTH_80;
+ case QLINK_CHAN_WIDTH_80P80:
+ return NL80211_CHAN_WIDTH_80P80;
+ case QLINK_CHAN_WIDTH_160:
+ return NL80211_CHAN_WIDTH_160;
+ case QLINK_CHAN_WIDTH_5:
+ return NL80211_CHAN_WIDTH_5;
+ case QLINK_CHAN_WIDTH_10:
+ return NL80211_CHAN_WIDTH_10;
+ default:
+ return -1;
+ }
+}
+
+void qlink_chandef_q2cfg(struct wiphy *wiphy,
+ const struct qlink_chandef *qch,
+ struct cfg80211_chan_def *chdef)
+{
+ chdef->center_freq1 = le16_to_cpu(qch->center_freq1);
+ chdef->center_freq2 = le16_to_cpu(qch->center_freq2);
+ chdef->width = qlink_chanwidth_to_nl(qch->width);
+
+ switch (chdef->width) {
+ case NL80211_CHAN_WIDTH_20_NOHT:
+ case NL80211_CHAN_WIDTH_20:
+ case NL80211_CHAN_WIDTH_5:
+ case NL80211_CHAN_WIDTH_10:
+ chdef->chan = ieee80211_get_channel(wiphy, chdef->center_freq1);
+ break;
+ case NL80211_CHAN_WIDTH_40:
+ case NL80211_CHAN_WIDTH_80:
+ case NL80211_CHAN_WIDTH_80P80:
+ case NL80211_CHAN_WIDTH_160:
+ chdef->chan = ieee80211_get_channel(wiphy,
+ chdef->center_freq1 - 10);
+ break;
+ default:
+ chdef->chan = NULL;
+ break;
+ }
+}
diff --git a/drivers/net/wireless/quantenna/qtnfmac/qlink_util.h
b/drivers/net/wireless/quantenna/qtnfmac/qlink_util.h
index de06c1e..5e49a8a 100644
--- a/drivers/net/wireless/quantenna/qtnfmac/qlink_util.h
+++ b/drivers/net/wireless/quantenna/qtnfmac/qlink_util.h
@@ -19,6 +19,7 @@
#include <linux/types.h>
#include <linux/skbuff.h>
+#include <net/cfg80211.h>
#include "qlink.h"
@@ -62,5 +63,8 @@ static inline void qtnf_cmd_skb_put_tlv_u16(struct sk_buff
*skb,
u16 qlink_iface_type_to_nl_mask(u16 qlink_type);
u8 qlink_chan_width_mask_to_nl(u16 qlink_mask);
+void qlink_chandef_q2cfg(struct wiphy *wiphy,
+ const struct qlink_chandef *qch,
+ struct cfg80211_chan_def *chdef);
#endif /* _QTN_FMAC_QLINK_UTIL_H_ */
--
2.9.5
