mwifiex: report tdls peers in debugfs

This patch add provision to show TDLS peer table in debugfs file.

Signed-off-by: Xinming Hu <huxm@marvell.com>
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

diff --git a/drivers/net/wireless/mwifiex/debugfs.c b/drivers/net/wireless/mwifiex/debugfs.c
index 2713f7a..b506032 100644 (file)
--- a/drivers/net/wireless/mwifiex/debugfs.c
+++ b/drivers/net/wireless/mwifiex/debugfs.c
@@ -493,6 +493,15 @@ mwifiex_debug_read(struct file *file, char __user *ubuf,
                }
        }
 
+       if (info.tdls_peer_num) {
+               p += sprintf(p, "TDLS peer table:\n");
+               for (i = 0; i < info.tdls_peer_num; i++) {
+                       p += sprintf(p, "peer = %pM",
+                                    info.tdls_list[i].peer_addr);
+                       p += sprintf(p, "\n");
+               }
+       }
+
        ret = simple_read_from_buffer(ubuf, count, ppos, (char *) page,
                                      (unsigned long) p - page);
 

diff --git a/drivers/net/wireless/mwifiex/decl.h b/drivers/net/wireless/mwifiex/decl.h
index 2269acf..21b5130 100644 (file)
--- a/drivers/net/wireless/mwifiex/decl.h
+++ b/drivers/net/wireless/mwifiex/decl.h
@@ -41,6 +41,7 @@
 
 #define MWIFIEX_MAX_TX_BASTREAM_SUPPORTED      2
 #define MWIFIEX_MAX_RX_BASTREAM_SUPPORTED      16
+#define MWIFIEX_MAX_TDLS_PEER_SUPPORTED 8
 
 #define MWIFIEX_STA_AMPDU_DEF_TXWINSIZE        64
 #define MWIFIEX_STA_AMPDU_DEF_RXWINSIZE        64

diff --git a/drivers/net/wireless/mwifiex/ioctl.h b/drivers/net/wireless/mwifiex/ioctl.h
index 0847f3e..dcf4bdb 100644 (file)
--- a/drivers/net/wireless/mwifiex/ioctl.h
+++ b/drivers/net/wireless/mwifiex/ioctl.h
@@ -180,7 +180,11 @@ struct mwifiex_ds_tx_ba_stream_tbl {
        u8 amsdu;
 };
 
-#define DBG_CMD_NUM    5
+#define DBG_CMD_NUM    5
+
+struct tdls_peer_info {
+       u8 peer_addr[ETH_ALEN];
+};
 
 struct mwifiex_debug_info {
        u32 int_counter;
@@ -193,6 +197,9 @@ struct mwifiex_debug_info {
        u32 rx_tbl_num;
        struct mwifiex_ds_rx_reorder_tbl rx_tbl
                [MWIFIEX_MAX_RX_BASTREAM_SUPPORTED];
+       u32 tdls_peer_num;
+       struct tdls_peer_info tdls_list
+               [MWIFIEX_MAX_TDLS_PEER_SUPPORTED];
        u16 ps_mode;
        u32 ps_state;
        u8 is_deep_sleep;

diff --git a/drivers/net/wireless/mwifiex/main.h b/drivers/net/wireless/mwifiex/main.h
index e66993c..b3e23f6 100644 (file)
--- a/drivers/net/wireless/mwifiex/main.h
+++ b/drivers/net/wireless/mwifiex/main.h
@@ -1324,6 +1324,8 @@ void mwifiex_process_tdls_action_frame(struct mwifiex_private *priv,
                                       u8 *buf, int len);
 int mwifiex_tdls_oper(struct mwifiex_private *priv, const u8 *peer, u8 action);
 int mwifiex_get_tdls_link_status(struct mwifiex_private *priv, const u8 *mac);
+int mwifiex_get_tdls_list(struct mwifiex_private *priv,
+                         struct tdls_peer_info *buf);
 void mwifiex_disable_all_tdls_links(struct mwifiex_private *priv);
 bool mwifiex_is_bss_in_11ac_mode(struct mwifiex_private *priv);
 u8 mwifiex_get_center_freq_index(struct mwifiex_private *priv, u8 band,

diff --git a/drivers/net/wireless/mwifiex/tdls.c b/drivers/net/wireless/mwifiex/tdls.c
index 22884b4..efa81d8 100644 (file)
--- a/drivers/net/wireless/mwifiex/tdls.c
+++ b/drivers/net/wireless/mwifiex/tdls.c
@@ -1123,6 +1123,36 @@ int mwifiex_get_tdls_link_status(struct mwifiex_private *priv, const u8 *mac)
        return TDLS_NOT_SETUP;
 }
 
+int mwifiex_get_tdls_list(struct mwifiex_private *priv,
+                         struct tdls_peer_info *buf)
+{
+       struct mwifiex_sta_node *sta_ptr;
+       struct tdls_peer_info *peer = buf;
+       int count = 0;
+       unsigned long flags;
+
+       if (!ISSUPP_TDLS_ENABLED(priv->adapter->fw_cap_info))
+               return 0;
+
+       /* make sure we are in station mode and connected */
+       if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected))
+               return 0;
+
+       spin_lock_irqsave(&priv->sta_list_spinlock, flags);
+       list_for_each_entry(sta_ptr, &priv->sta_list, list) {
+               if (sta_ptr->tdls_status == TDLS_SETUP_COMPLETE) {
+                       ether_addr_copy(peer->peer_addr, sta_ptr->mac_addr);
+                       peer++;
+                       count++;
+                       if (count >= MWIFIEX_MAX_TDLS_PEER_SUPPORTED)
+                               break;
+               }
+       }
+       spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);
+
+       return count;
+}
+
 void mwifiex_disable_all_tdls_links(struct mwifiex_private *priv)
 {
        struct mwifiex_sta_node *sta_ptr;

diff --git a/drivers/net/wireless/mwifiex/util.c b/drivers/net/wireless/mwifiex/util.c
index b1768fb..3bd9179 100644 (file)
--- a/drivers/net/wireless/mwifiex/util.c
+++ b/drivers/net/wireless/mwifiex/util.c
@@ -97,6 +97,8 @@ int mwifiex_get_debug_info(struct mwifiex_private *priv,
                                                              info->rx_tbl);
                info->tx_tbl_num = mwifiex_get_tx_ba_stream_tbl(priv,
                                                                info->tx_tbl);
+               info->tdls_peer_num = mwifiex_get_tdls_list(priv,
+                                                           info->tdls_list);
                info->ps_mode = adapter->ps_mode;
                info->ps_state = adapter->ps_state;
                info->is_deep_sleep = adapter->is_deep_sleep;