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wil6210: Add Support for Extended DMG MCS 12.1

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FW reports Tx/Rx extended MCS 12.1 to driver as "26". Driver will
convert this into base MCS 7 + EXTENDED_SC_DMG flag so kernel can do
the correct phy rate conversion. Also add log prints to print "12.1"
instead of "26" for extended MCS.

Signed-off-by: Max Chen <mxchen@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/1609977050-7089-3-git-send-email-mxchen@codeaurora.org
This commit is contained in:
Max Chen 2021-01-06 15:50:50 -08:00 committed by Kalle Valo
parent 97614c59cb
commit 7064e2193c
5 changed files with 52 additions and 19 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

38
drivers/net/wireless/ath/wil6210/cfg80211.c
View file

@ -441,7 +441,9 @@ int wil_cid_fill_sinfo(struct wil6210_vif *vif, int cid,
} __packed reply;
struct wil_net_stats *stats = &wil->sta[cid].stats;
int rc;
u8 txflag = RATE_INFO_FLAGS_DMG;
u8 tx_mcs, rx_mcs;
u8 tx_rate_flag = RATE_INFO_FLAGS_DMG;
u8 rx_rate_flag = RATE_INFO_FLAGS_DMG;
memset(&reply, 0, sizeof(reply));
@ -451,13 +453,15 @@ int wil_cid_fill_sinfo(struct wil6210_vif *vif, int cid,
if (rc)
return rc;
tx_mcs = le16_to_cpu(reply.evt.bf_mcs);
wil_dbg_wmi(wil, "Link status for CID %d MID %d: {\n"
" MCS %d TSF 0x%016llx\n"
" MCS %s TSF 0x%016llx\n"
" BF status 0x%08x RSSI %d SQI %d%%\n"
" Tx Tpt %d goodput %d Rx goodput %d\n"
" Sectors(rx:tx) my %d:%d peer %d:%d\n"
" Tx mode %d}\n",
cid, vif->mid, le16_to_cpu(reply.evt.bf_mcs),
cid, vif->mid, WIL_EXTENDED_MCS_CHECK(tx_mcs),
le64_to_cpu(reply.evt.tsf), reply.evt.status,
reply.evt.rssi,
reply.evt.sqi,
@ -481,12 +485,30 @@ int wil_cid_fill_sinfo(struct wil6210_vif *vif, int cid,
BIT_ULL(NL80211_STA_INFO_RX_DROP_MISC) |
BIT_ULL(NL80211_STA_INFO_TX_FAILED);
if (wil->use_enhanced_dma_hw && reply.evt.tx_mode != WMI_TX_MODE_DMG)
txflag = RATE_INFO_FLAGS_EDMG;
if (wil->use_enhanced_dma_hw && reply.evt.tx_mode != WMI_TX_MODE_DMG) {
tx_rate_flag = RATE_INFO_FLAGS_EDMG;
rx_rate_flag = RATE_INFO_FLAGS_EDMG;
}
rx_mcs = stats->last_mcs_rx;
/* check extended MCS (12.1) and convert it into
* base MCS (7) + EXTENDED_SC_DMG flag
*/
if (tx_mcs == WIL_EXTENDED_MCS_26) {
tx_rate_flag = RATE_INFO_FLAGS_EXTENDED_SC_DMG;
tx_mcs = WIL_BASE_MCS_FOR_EXTENDED_26;
}
if (rx_mcs == WIL_EXTENDED_MCS_26) {
rx_rate_flag = RATE_INFO_FLAGS_EXTENDED_SC_DMG;
rx_mcs = WIL_BASE_MCS_FOR_EXTENDED_26;
}
sinfo->txrate.flags = tx_rate_flag;
sinfo->rxrate.flags = rx_rate_flag;
sinfo->txrate.mcs = tx_mcs;
sinfo->rxrate.mcs = rx_mcs;
sinfo->txrate.flags = txflag;
sinfo->txrate.mcs = le16_to_cpu(reply.evt.bf_mcs);
sinfo->rxrate.mcs = stats->last_mcs_rx;
sinfo->txrate.n_bonded_ch =
wil_tx_cb_mode_to_n_bonded(reply.evt.tx_mode);
sinfo->rxrate.n_bonded_ch =

17
drivers/net/wireless/ath/wil6210/debugfs.c
View file

@ -1294,6 +1294,7 @@ static int bf_show(struct seq_file *s, void *data)
for (i = 0; i < wil->max_assoc_sta; i++) {
u32 status;
u8 bf_mcs;
cmd.cid = i;
rc = wmi_call(wil, WMI_NOTIFY_REQ_CMDID, vif->mid,
@ -1305,9 +1306,10 @@ static int bf_show(struct seq_file *s, void *data)
continue;
status = le32_to_cpu(reply.evt.status);
bf_mcs = le16_to_cpu(reply.evt.bf_mcs);
seq_printf(s, "CID %d {\n"
" TSF = 0x%016llx\n"
" TxMCS = %2d TxTpt = %4d\n"
" TxMCS = %s TxTpt = %4d\n"
" SQI = %4d\n"
" RSSI = %4d\n"
" Status = 0x%08x %s\n"
@ -1316,7 +1318,7 @@ static int bf_show(struct seq_file *s, void *data)
"}\n",
i,
le64_to_cpu(reply.evt.tsf),
le16_to_cpu(reply.evt.bf_mcs),
WIL_EXTENDED_MCS_CHECK(bf_mcs),
le32_to_cpu(reply.evt.tx_tpt),
reply.evt.sqi,
reply.evt.rssi,
@ -1443,8 +1445,10 @@ static int link_show(struct seq_file *s, void *data)
if (rc)
goto out;
seq_printf(s, " Tx_mcs = %d\n", sinfo->txrate.mcs);
seq_printf(s, " Rx_mcs = %d\n", sinfo->rxrate.mcs);
seq_printf(s, " Tx_mcs = %s\n",
WIL_EXTENDED_MCS_CHECK(sinfo->txrate.mcs));
seq_printf(s, " Rx_mcs = %s\n",
WIL_EXTENDED_MCS_CHECK(sinfo->rxrate.mcs));
seq_printf(s, " SQ = %d\n", sinfo->signal);
} else {
seq_puts(s, " INVALID MID\n");
@ -1848,7 +1852,7 @@ static void wil_link_stats_print_basic(struct wil6210_vif *vif,
snprintf(per, sizeof(per), "%d%%", basic->per_average);
seq_printf(s, "CID %d {\n"
"\tTxMCS %d TxTpt %d\n"
"\tTxMCS %s TxTpt %d\n"
"\tGoodput(rx:tx) %d:%d\n"
"\tRxBcastFrames %d\n"
"\tRSSI %d SQI %d SNR %d PER %s\n"
@ -1856,7 +1860,8 @@ static void wil_link_stats_print_basic(struct wil6210_vif *vif,
"\tSectors(rx:tx) my %d:%d peer %d:%d\n"
"}\n",
basic->cid,
basic->bf_mcs, le32_to_cpu(basic->tx_tpt),
WIL_EXTENDED_MCS_CHECK(basic->bf_mcs),
le32_to_cpu(basic->tx_tpt),
le32_to_cpu(basic->rx_goodput),
le32_to_cpu(basic->tx_goodput),
le32_to_cpu(basic->rx_bcast_frames),

2
drivers/net/wireless/ath/wil6210/txrx_edma.c
View file

@ -1026,6 +1026,8 @@ skipping:
stats->last_mcs_rx = wil_rx_status_get_mcs(msg);
if (stats->last_mcs_rx < ARRAY_SIZE(stats->rx_per_mcs))
stats->rx_per_mcs[stats->last_mcs_rx]++;
else if (stats->last_mcs_rx == WIL_EXTENDED_MCS_26)
stats->rx_per_mcs[WIL_BASE_MCS_FOR_EXTENDED_26]++;
stats->last_cb_mode_rx = wil_rx_status_get_cb_mode(msg);
}

3
drivers/net/wireless/ath/wil6210/wil6210.h
View file

@ -89,6 +89,9 @@ static inline u32 WIL_GET_BITS(u32 x, int b0, int b1)
#define WIL_MAX_AGG_WSIZE_64 (64) /* FW/HW limit */
#define WIL6210_MAX_STATUS_RINGS (8)
#define WIL_WMI_CALL_GENERAL_TO_MS 100
#define WIL_EXTENDED_MCS_26 (26) /* FW reports MCS 12.1 to driver as "26" */
#define WIL_BASE_MCS_FOR_EXTENDED_26 (7) /* MCS 7 is base MCS for MCS 12.1 */
#define WIL_EXTENDED_MCS_CHECK(x) (((x) == WIL_EXTENDED_MCS_26) ? "12.1" : #x)
/* Hardware offload block adds the following:
* 26 bytes - 3-address QoS data header

11
drivers/net/wireless/ath/wil6210/wmi.c
View file

@ -851,9 +851,9 @@ static void wmi_evt_rx_mgmt(struct wil6210_vif *vif, int id, void *d, int len)
d_status = le16_to_cpu(data->info.status);
fc = rx_mgmt_frame->frame_control;
wil_dbg_wmi(wil, "MGMT Rx: channel %d MCS %d RSSI %d SQI %d%%\n",
data->info.channel, data->info.mcs, data->info.rssi,
data->info.sqi);
wil_dbg_wmi(wil, "MGMT Rx: channel %d MCS %s RSSI %d SQI %d%%\n",
data->info.channel, WIL_EXTENDED_MCS_CHECK(data->info.mcs),
data->info.rssi, data->info.sqi);
wil_dbg_wmi(wil, "status 0x%04x len %d fc 0x%04x\n", d_status, d_len,
le16_to_cpu(fc));
wil_dbg_wmi(wil, "qid %d mid %d cid %d\n",
@ -1422,8 +1422,9 @@ wmi_evt_sched_scan_result(struct wil6210_vif *vif, int id, void *d, int len)
else
signal = data->info.sqi;
wil_dbg_wmi(wil, "sched scan result: channel %d MCS %d RSSI %d\n",
data->info.channel, data->info.mcs, data->info.rssi);
wil_dbg_wmi(wil, "sched scan result: channel %d MCS %s RSSI %d\n",
data->info.channel, WIL_EXTENDED_MCS_CHECK(data->info.mcs),
data->info.rssi);
wil_dbg_wmi(wil, "len %d qid %d mid %d cid %d\n",
d_len, data->info.qid, data->info.mid, data->info.cid);
wil_hex_dump_wmi("PROBE ", DUMP_PREFIX_OFFSET, 16, 1, rx_mgmt_frame,