From: Rajat Soni <quic_rajson@xxxxxxxxxxx>
Add support to request pdev puncture stats from firmware through
HTT stats type 46. These stats give the count of number of
subbands used in different wifi standards.
Sample output:
-------------
echo 46 > /sys/kernel/debug/ath12k/pci-0000\:06\:00.0/mac0/htt_stats_type
cat /sys/kernel/debug/ath12k/pci-0000\:06\:00.0/mac0/htt_stats
HTT_PDEV_PUNCTURE_STATS_TLV:
mac_id = 0
tx_ofdm_su_last_used_pattern_mask = 0x00000001
tx_ofdm_su_num_subbands_used_cnt_01 = 217
tx_ofdm_su_num_subbands_used_cnt_02 = 0
tx_ofdm_su_num_subbands_used_cnt_03 = 0
.....
HTT_PDEV_PUNCTURE_STATS_TLV:
mac_id = 0
tx_ax_dl_mu_ofdma_last_used_pattern_mask = 0x00000000
tx_ax_dl_mu_ofdma_num_subbands_used_cnt_01 = 0
tx_ax_dl_mu_ofdma_num_subbands_used_cnt_02 = 0
tx_ax_dl_mu_ofdma_num_subbands_used_cnt_03 = 0
.....
HTT_PDEV_PUNCTURE_STATS_TLV:
mac_id = 0
tx_be_dl_mu_ofdma_last_used_pattern_mask = 0x00000000
tx_be_dl_mu_ofdma_num_subbands_used_cnt_01 = 0
tx_be_dl_mu_ofdma_num_subbands_used_cnt_02 = 0
tx_be_dl_mu_ofdma_num_subbands_used_cnt_03 = 0
.....
HTT_PDEV_PUNCTURE_STATS_TLV:
mac_id = 0
rx_ax_ul_mu_ofdma_last_used_pattern_mask = 0x00000000
rx_ax_ul_mu_ofdma_num_subbands_used_cnt_01 = 0
rx_ax_ul_mu_ofdma_num_subbands_used_cnt_02 = 0
rx_ax_ul_mu_ofdma_num_subbands_used_cnt_03 = 0
.....
HTT_PDEV_PUNCTURE_STATS_TLV:
mac_id = 0
rx_be_ul_mu_ofdma_last_used_pattern_mask = 0x00000000
rx_be_ul_mu_ofdma_num_subbands_used_cnt_01 = 0
rx_be_ul_mu_ofdma_num_subbands_used_cnt_02 = 0
rx_be_ul_mu_ofdma_num_subbands_used_cnt_03 = 0
.....
Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1
Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0-03427-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1.15378.4
Signed-off-by: Rajat Soni <quic_rajson@xxxxxxxxxxx>
Signed-off-by: Roopni Devanathan <quic_rdevanat@xxxxxxxxxxx>
---
.../wireless/ath/ath12k/debugfs_htt_stats.c | 138 ++++++++++++++++++
.../wireless/ath/ath12k/debugfs_htt_stats.h | 38 +++++
2 files changed, 176 insertions(+)
diff --git a/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.c b/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.c
index 60f0260550bb..b85b55ea7bf5 100644
--- a/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.c
+++ b/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.c
@@ -2641,6 +2641,141 @@ ath12k_htt_print_dmac_reset_stats_tlv(const void *tag_buf, u16 tag_len,
stats_req->buf_len = len;
}
+static const char*
+ath12k_htt_get_punct_dir_type_str(enum ath12k_htt_stats_direction direction,
+ struct debug_htt_stats_req *stats_req)
+{
+ const char *direction_str = "unknown";
+ u32 len = stats_req->buf_len;
+
+ switch (direction) {
+ case ATH12K_HTT_STATS_DIRECTION_TX:
+ direction_str = "tx";
+ break;
+ case ATH12K_HTT_STATS_DIRECTION_RX:
+ direction_str = "rx";
+ break;
+ default:
+ break;
+ }
+
+ stats_req->buf_len = len;
+ return direction_str;
+}
+
+static const char*
+ath12k_htt_get_punct_ppdu_type_str(enum ath12k_htt_stats_ppdu_type ppdu_type,
+ struct debug_htt_stats_req *stats_req)
+{
+ const char *ppdu_type_str = "unknown";
+ u32 len = stats_req->buf_len;
+
+ switch (ppdu_type) {
+ case ATH12K_HTT_STATS_PPDU_TYPE_MODE_SU:
+ ppdu_type_str = "su";
+ break;
+ case ATH12K_HTT_STATS_PPDU_TYPE_DL_MU_MIMO:
+ ppdu_type_str = "dl_mu_mimo";
+ break;
+ case ATH12K_HTT_STATS_PPDU_TYPE_UL_MU_MIMO:
+ ppdu_type_str = "ul_mu_mimo";
+ break;
+ case ATH12K_HTT_STATS_PPDU_TYPE_DL_MU_OFDMA:
+ ppdu_type_str = "dl_mu_ofdma";
+ break;
+ case ATH12K_HTT_STATS_PPDU_TYPE_UL_MU_OFDMA:
+ ppdu_type_str = "ul_mu_ofdma";
+ break;
+ default:
+ break;
+ }
+
+ stats_req->buf_len = len;
+ return ppdu_type_str;
+}
+
+static const char*
+ath12k_htt_get_punct_pream_type_str(enum ath12k_htt_stats_param_type pream_type,
+ struct debug_htt_stats_req *stats_req)
+{
+ const char *pream_type_str = "unknown";
+ u32 len = stats_req->buf_len;
+
+ switch (pream_type) {
+ case ATH12K_HTT_STATS_PREAM_OFDM:
+ pream_type_str = "ofdm";
+ break;
+ case ATH12K_HTT_STATS_PREAM_CCK:
+ pream_type_str = "cck";
+ break;
+ case ATH12K_HTT_STATS_PREAM_HT:
+ pream_type_str = "ht";
+ break;
+ case ATH12K_HTT_STATS_PREAM_VHT:
+ pream_type_str = "ac";
+ break;
+ case ATH12K_HTT_STATS_PREAM_HE:
+ pream_type_str = "ax";
+ break;
+ case ATH12K_HTT_STATS_PREAM_EHT:
+ pream_type_str = "be";
+ break;
+ default:
+ break;
+ }
+
+ stats_req->buf_len = len;
+ return pream_type_str;
+}
+
+static void
+ath12k_htt_print_puncture_stats_tlv(const void *tag_buf, u16 tag_len,
+ struct debug_htt_stats_req *stats_req)
+{
+ const struct ath12k_htt_pdev_puncture_stats_tlv *stats_buf = tag_buf;
+ u8 *buf = stats_req->buf;
+ u32 len = stats_req->buf_len;
+ u32 buf_len = ATH12K_HTT_STATS_BUF_SIZE;
+ int i;
+ const char *direction;
+ const char *preamble;
+ const char *ppdu_type;
+ u32 mac_id__word;
+ u32 subband_limit;
+
+ if (tag_len < sizeof(*stats_buf))
+ return;
+
+ mac_id__word = le32_to_cpu(stats_buf->mac_id__word);
+ subband_limit = min(le32_to_cpu(stats_buf->subband_cnt),
+ ATH12K_HTT_PUNCT_STATS_MAX_SUBBAND_CNT);
+
+ direction = ath12k_htt_get_punct_dir_type_str(le32_to_cpu(stats_buf->direction),
+ stats_req);
+ ppdu_type = ath12k_htt_get_punct_ppdu_type_str(le32_to_cpu(stats_buf->ppdu_type),
+ stats_req);
+ preamble = ath12k_htt_get_punct_pream_type_str(le32_to_cpu(stats_buf->preamble),
+ stats_req);
+
+ len += scnprintf(buf + len, buf_len - len, "HTT_PDEV_PUNCTURE_STATS_TLV:\n");
+ len += scnprintf(buf + len, buf_len - len, "mac_id = %u\n",
+ u32_get_bits(mac_id__word, ATH12K_HTT_STATS_MAC_ID));
+ len += scnprintf(buf + len, buf_len - len,
+ "%s_%s_%s_last_used_pattern_mask = 0x%08x\n",
+ direction, preamble, ppdu_type,
+ le32_to_cpu(stats_buf->last_used_pattern_mask));
+
+ for (i = 0; i < subband_limit; i++) {
+ len += scnprintf(buf + len, buf_len - len,
+ "%s_%s_%s_num_subbands_used_cnt_%02d = %u\n",
+ direction, preamble, ppdu_type, i + 1,
+ le32_to_cpu(stats_buf->num_subbands_used_cnt[i]));
+ }
+ len += scnprintf(buf + len, buf_len - len, "\n");
+
+ stats_req->buf_len = len;
+}
+
static void
ath12k_htt_print_pdev_sched_algo_ofdma_stats_tlv(const void *tag_buf, u16 tag_len,
struct debug_htt_stats_req *stats_req)
@@ -2936,6 +3071,9 @@ static int ath12k_dbg_htt_ext_stats_parse(struct ath12k_base *ab,
case HTT_STATS_DMAC_RESET_STATS_TAG:
ath12k_htt_print_dmac_reset_stats_tlv(tag_buf, len, stats_req);
break;
+ case HTT_STATS_PDEV_PUNCTURE_STATS_TAG:
+ ath12k_htt_print_puncture_stats_tlv(tag_buf, len, stats_req);
+ break;
case HTT_STATS_PDEV_SCHED_ALGO_OFDMA_STATS_TAG:
ath12k_htt_print_pdev_sched_algo_ofdma_stats_tlv(tag_buf, len, stats_req);
break;
diff --git a/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.h b/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.h
index 6978c3243ee3..e6e2bcbe95a7 100644
--- a/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.h
+++ b/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.h
@@ -137,6 +137,7 @@ enum ath12k_dbg_htt_ext_stats_type {
ATH12K_DBG_HTT_EXT_STATS_PDEV_OBSS_PD_STATS = 23,
ATH12K_DBG_HTT_EXT_AST_ENTRIES = 41,
ATH12K_DBG_HTT_EXT_STATS_SOC_ERROR = 45,
+ ATH12K_DBG_HTT_DBG_PDEV_PUNCTURE_STATS = 46,
ATH12K_DBG_HTT_EXT_STATS_PDEV_SCHED_ALGO = 49,
ATH12K_DBG_HTT_EXT_STATS_MANDATORY_MUOFDMA = 51,
@@ -203,6 +204,7 @@ enum ath12k_dbg_htt_tlv_tag {
HTT_STATS_TX_SELFGEN_BE_STATS_TAG = 138,
HTT_STATS_TX_SELFGEN_BE_SCHED_STATUS_STATS_TAG = 139,
HTT_STATS_DMAC_RESET_STATS_TAG = 155,
+ HTT_STATS_PDEV_PUNCTURE_STATS_TAG = 158,
HTT_STATS_PDEV_SCHED_ALGO_OFDMA_STATS_TAG = 165,
HTT_STATS_MAX_TAG,
@@ -1140,4 +1142,40 @@ struct ath12k_htt_ast_entry_tlv {
__le32 info;
} __packed;
+enum ath12k_htt_stats_direction {
+ ATH12K_HTT_STATS_DIRECTION_TX,
+ ATH12K_HTT_STATS_DIRECTION_RX
+};
+
+enum ath12k_htt_stats_ppdu_type {
+ ATH12K_HTT_STATS_PPDU_TYPE_MODE_SU,
+ ATH12K_HTT_STATS_PPDU_TYPE_DL_MU_MIMO,
+ ATH12K_HTT_STATS_PPDU_TYPE_UL_MU_MIMO,
+ ATH12K_HTT_STATS_PPDU_TYPE_DL_MU_OFDMA,
+ ATH12K_HTT_STATS_PPDU_TYPE_UL_MU_OFDMA
+};
+
+enum ath12k_htt_stats_param_type {
+ ATH12K_HTT_STATS_PREAM_OFDM,
+ ATH12K_HTT_STATS_PREAM_CCK,
+ ATH12K_HTT_STATS_PREAM_HT,
+ ATH12K_HTT_STATS_PREAM_VHT,
+ ATH12K_HTT_STATS_PREAM_HE,
+ ATH12K_HTT_STATS_PREAM_EHT,
+ ATH12K_HTT_STATS_PREAM_RSVD1,
+ ATH12K_HTT_STATS_PREAM_COUNT,
+};
+
+#define ATH12K_HTT_PUNCT_STATS_MAX_SUBBAND_CNT 32
+
+struct ath12k_htt_pdev_puncture_stats_tlv {
+ __le32 mac_id__word;
+ __le32 direction;
+ __le32 preamble;
+ __le32 ppdu_type;
+ __le32 subband_cnt;
+ __le32 last_used_pattern_mask;
+ __le32 num_subbands_used_cnt[ATH12K_HTT_PUNCT_STATS_MAX_SUBBAND_CNT];
+} __packed;
+
#endif
--
2.25.1
