wifi: ath12k: Support AST Entry Stats

Add support to request Address Search Table(AST) entries stats
from firmware through HTT stats type 41. These stats give AST entries
related information such as software peer id, MAC address, pdev id,
vdev, id, next hop, etc.

Sample output:
-------------
echo 41 > /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_AST_ENTRY_TLV:
ast_index = 10
mac_addr = 00:00:00:01:00:00
sw_peer_id = 0
pdev_id = 3
vdev_id = 255
next_hop = 0
mcast = 0
monitor_direct = 0
mesh_sta = 0
mec = 0
intra_bss = 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: Roopni Devanathan <quic_rdevanat@quicinc.com>
Acked-by: Kalle Valo <kvalo@kernel.org>
Link: https://patch.msgid.link/20241218035711.2573584-2-quic_rdevanat@quicinc.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>

diff --git a/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.c b/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.c
index c43bf032270f8673affedb9824652ff2aeaa6b4c..9294ef41a169e4f49716c17e746e65807114cb9f 100644 (file)
--- a/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.c
+++ b/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.c
@@ -3469,6 +3469,59 @@ ath12k_htt_print_tx_per_rate_stats_tlv(const void *tag_buf, u16 tag_len,
        stats_req->buf_len = len;
 }
 
+static void
+ath12k_htt_print_ast_entry_tlv(const void *tag_buf, u16 tag_len,
+                              struct debug_htt_stats_req *stats_req)
+{
+       const struct ath12k_htt_ast_entry_tlv *htt_stats_buf = tag_buf;
+       u32 buf_len = ATH12K_HTT_STATS_BUF_SIZE;
+       u32 len = stats_req->buf_len;
+       u8 *buf = stats_req->buf;
+       u32 mac_addr_l32;
+       u32 mac_addr_h16;
+       u32 ast_info;
+
+       if (tag_len < sizeof(*htt_stats_buf))
+               return;
+
+       mac_addr_l32 = le32_to_cpu(htt_stats_buf->mac_addr.mac_addr_l32);
+       mac_addr_h16 = le32_to_cpu(htt_stats_buf->mac_addr.mac_addr_h16);
+       ast_info = le32_to_cpu(htt_stats_buf->info);
+
+       len += scnprintf(buf + len, buf_len - len, "HTT_AST_ENTRY_TLV:\n");
+       len += scnprintf(buf + len, buf_len - len, "ast_index = %u\n",
+                        le32_to_cpu(htt_stats_buf->ast_index));
+       len += scnprintf(buf + len, buf_len - len,
+                        "mac_addr = %02x:%02x:%02x:%02x:%02x:%02x\n",
+                        u32_get_bits(mac_addr_l32, ATH12K_HTT_MAC_ADDR_L32_0),
+                        u32_get_bits(mac_addr_l32, ATH12K_HTT_MAC_ADDR_L32_1),
+                        u32_get_bits(mac_addr_l32, ATH12K_HTT_MAC_ADDR_L32_2),
+                        u32_get_bits(mac_addr_l32, ATH12K_HTT_MAC_ADDR_L32_3),
+                        u32_get_bits(mac_addr_h16, ATH12K_HTT_MAC_ADDR_H16_0),
+                        u32_get_bits(mac_addr_h16, ATH12K_HTT_MAC_ADDR_H16_1));
+
+       len += scnprintf(buf + len, buf_len - len, "sw_peer_id = %u\n",
+                        le32_to_cpu(htt_stats_buf->sw_peer_id));
+       len += scnprintf(buf + len, buf_len - len, "pdev_id = %u\n",
+                        u32_get_bits(ast_info, ATH12K_HTT_AST_PDEV_ID_INFO));
+       len += scnprintf(buf + len, buf_len - len, "vdev_id = %u\n",
+                        u32_get_bits(ast_info, ATH12K_HTT_AST_VDEV_ID_INFO));
+       len += scnprintf(buf + len, buf_len - len, "next_hop = %u\n",
+                        u32_get_bits(ast_info, ATH12K_HTT_AST_NEXT_HOP_INFO));
+       len += scnprintf(buf + len, buf_len - len, "mcast = %u\n",
+                        u32_get_bits(ast_info, ATH12K_HTT_AST_MCAST_INFO));
+       len += scnprintf(buf + len, buf_len - len, "monitor_direct = %u\n",
+                        u32_get_bits(ast_info, ATH12K_HTT_AST_MONITOR_DIRECT_INFO));
+       len += scnprintf(buf + len, buf_len - len, "mesh_sta = %u\n",
+                        u32_get_bits(ast_info, ATH12K_HTT_AST_MESH_STA_INFO));
+       len += scnprintf(buf + len, buf_len - len, "mec = %u\n",
+                        u32_get_bits(ast_info, ATH12K_HTT_AST_MEC_INFO));
+       len += scnprintf(buf + len, buf_len - len, "intra_bss = %u\n\n",
+                        u32_get_bits(ast_info, ATH12K_HTT_AST_INTRA_BSS_INFO));
+
+       stats_req->buf_len = len;
+}
+
 static void
 ath12k_htt_print_dmac_reset_stats_tlv(const void *tag_buf, u16 tag_len,
                                      struct debug_htt_stats_req *stats_req)
@@ -3877,6 +3930,9 @@ static int ath12k_dbg_htt_ext_stats_parse(struct ath12k_base *ab,
        case HTT_STATS_PER_RATE_STATS_TAG:
                ath12k_htt_print_tx_per_rate_stats_tlv(tag_buf, len, stats_req);
                break;
+       case HTT_STATS_AST_ENTRY_TAG:
+               ath12k_htt_print_ast_entry_tlv(tag_buf, len, stats_req);
+               break;
        case HTT_STATS_DMAC_RESET_STATS_TAG:
                ath12k_htt_print_dmac_reset_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 a718f8dfe321c82d4d90e034a39c1a59ee128bf6..9a9dd368c5d653c8634610491c7def2f5694d498 100644 (file)
--- a/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.h
+++ b/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.h
@@ -141,6 +141,7 @@ enum ath12k_dbg_htt_ext_stats_type {
        ATH12K_DBG_HTT_EXT_PHY_COUNTERS_AND_PHY_STATS   = 37,
        ATH12K_DBG_HTT_EXT_VDEVS_TXRX_STATS             = 38,
        ATH12K_DBG_HTT_EXT_PDEV_PER_STATS               = 40,
+       ATH12K_DBG_HTT_EXT_AST_ENTRIES                  = 41,
        ATH12K_DBG_HTT_EXT_STATS_SOC_ERROR              = 45,
        ATH12K_DBG_HTT_EXT_STATS_PDEV_SCHED_ALGO        = 49,
        ATH12K_DBG_HTT_EXT_STATS_MANDATORY_MUOFDMA      = 51,
@@ -211,6 +212,7 @@ enum ath12k_dbg_htt_tlv_tag {
        HTT_STATS_PER_RATE_STATS_TAG                    = 128,
        HTT_STATS_MU_PPDU_DIST_TAG                      = 129,
        HTT_STATS_TX_PDEV_MUMIMO_GRP_STATS_TAG          = 130,
+       HTT_STATS_AST_ENTRY_TAG                         = 132,
        HTT_STATS_TX_PDEV_RATE_STATS_BE_OFDMA_TAG       = 135,
        HTT_STATS_TX_SELFGEN_BE_ERR_STATS_TAG           = 137,
        HTT_STATS_TX_SELFGEN_BE_STATS_TAG               = 138,
@@ -1293,6 +1295,22 @@ struct ath12k_htt_t2h_soc_txrx_stats_common_tlv {
        __le32 inv_peers_msdu_drop_count_lo;
 } __packed;
 
+#define ATH12K_HTT_AST_PDEV_ID_INFO            GENMASK(1, 0)
+#define ATH12K_HTT_AST_VDEV_ID_INFO            GENMASK(9, 2)
+#define ATH12K_HTT_AST_NEXT_HOP_INFO           BIT(10)
+#define ATH12K_HTT_AST_MCAST_INFO              BIT(11)
+#define ATH12K_HTT_AST_MONITOR_DIRECT_INFO     BIT(12)
+#define ATH12K_HTT_AST_MESH_STA_INFO           BIT(13)
+#define ATH12K_HTT_AST_MEC_INFO                        BIT(14)
+#define ATH12K_HTT_AST_INTRA_BSS_INFO          BIT(15)
+
+struct ath12k_htt_ast_entry_tlv {
+       __le32 sw_peer_id;
+       __le32 ast_index;
+       struct htt_mac_addr mac_addr;
+       __le32 info;
+} __packed;
+
 struct ath12k_htt_dmac_reset_stats_tlv {
        __le32 reset_count;
        __le32 reset_time_lo_ms;

diff --git a/drivers/net/wireless/ath/ath12k/dp.h b/drivers/net/wireless/ath/ath12k/dp.h
index b178921aaf1d58972f1789560bf6d1319f5e2cef..7ac3143de0168c8b73c711547e1c808df24ee1e8 100644 (file)
--- a/drivers/net/wireless/ath/ath12k/dp.h
+++ b/drivers/net/wireless/ath/ath12k/dp.h
@@ -1798,6 +1798,18 @@ enum vdev_stats_offload_timer_duration {
        ATH12K_STATS_TIMER_DUR_2SEC = 3,
 };
 
+#define ATH12K_HTT_MAC_ADDR_L32_0      GENMASK(7, 0)
+#define ATH12K_HTT_MAC_ADDR_L32_1      GENMASK(15, 8)
+#define ATH12K_HTT_MAC_ADDR_L32_2      GENMASK(23, 16)
+#define ATH12K_HTT_MAC_ADDR_L32_3      GENMASK(31, 24)
+#define ATH12K_HTT_MAC_ADDR_H16_0      GENMASK(7, 0)
+#define ATH12K_HTT_MAC_ADDR_H16_1      GENMASK(15, 8)
+
+struct htt_mac_addr {
+       __le32 mac_addr_l32;
+       __le32 mac_addr_h16;
+} __packed;
+
 static inline void ath12k_dp_get_mac_addr(u32 addr_l32, u16 addr_h16, u8 *addr)
 {
        memcpy(addr, &addr_l32, 4);