ath6kl: Add unicast mgmt frame buffering

PS buffering of unicast Action frames that are sent in a context
of a BSS. In AP mode when the recepient station goes to powersave
and PS_POLL flag is not set, we would buffer the frames. Send out
unicast mgmt bufferred frame when PS_POLL is received.

This fixes a bug in P2P GO behavior when sending a GO Discoverability
Request to a client that is in sleep mode.

kvalo: indentation fixes

Signed-off-by: Thirumalai Pachamuthu <tpachamu@qca.qualcomm.com>
Signed-off-by: Naveen Gangadharan <ngangadh@qca.qualcomm.com>
Signed-off-by: Aarthi Thiruvengadam <athiruve@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>

1 files changed, 32 insertions, 5 deletions

diff --git a/drivers/net/wireless/ath/ath6kl/wmi.c b/drivers/net/wireless/ath/ath6kl/wmi.c
index bbbe0a74d3c3..fce29f7f2e5c 100644
--- a/drivers/net/wireless/ath/ath6kl/wmi.c
+++ b/drivers/net/wireless/ath/ath6kl/wmi.c
@@ -3182,8 +3182,9 @@ int ath6kl_wmi_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx, u32 freq, u32 dur)
  * ath6kl_wmi_send_mgmt_cmd instead. The new function supports P2P
  * mgmt operations using station interface.
  */
-int ath6kl_wmi_send_action_cmd(struct wmi *wmi, u8 if_idx, u32 id, u32 freq,
-                               u32 wait, const u8 *data, u16 data_len)
+static int ath6kl_wmi_send_action_cmd(struct wmi *wmi, u8 if_idx, u32 id,
+                                      u32 freq, u32 wait, const u8 *data,
+                                      u16 data_len)
 {
         struct sk_buff *skb;
         struct wmi_send_action_cmd *p;
@@ -3219,9 +3220,9 @@ int ath6kl_wmi_send_action_cmd(struct wmi *wmi, u8 if_idx, u32 id, u32 freq,
                                    NO_SYNC_WMIFLAG);
 }
 
-int ath6kl_wmi_send_mgmt_cmd(struct wmi *wmi, u8 if_idx, u32 id, u32 freq,
-                               u32 wait, const u8 *data, u16 data_len,
-                               u32 no_cck)
+static int __ath6kl_wmi_send_mgmt_cmd(struct wmi *wmi, u8 if_idx, u32 id,
+                                      u32 freq, u32 wait, const u8 *data,
+                                      u16 data_len, u32 no_cck)
 {
         struct sk_buff *skb;
         struct wmi_send_mgmt_cmd *p;
@@ -3258,6 +3259,32 @@ int ath6kl_wmi_send_mgmt_cmd(struct wmi *wmi, u8 if_idx, u32 id, u32 freq,
                                    NO_SYNC_WMIFLAG);
 }
 
+int ath6kl_wmi_send_mgmt_cmd(struct wmi *wmi, u8 if_idx, u32 id, u32 freq,
+                                u32 wait, const u8 *data, u16 data_len,
+                                u32 no_cck)
+{
+        int status;
+        struct ath6kl *ar = wmi->parent_dev;
+
+        if (test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
+                     ar->fw_capabilities)) {
+                /*
+                 * If capable of doing P2P mgmt operations using
+                 * station interface, send additional information like
+                 * supported rates to advertise and xmit rates for
+                 * probe requests
+                 */
+                status = __ath6kl_wmi_send_mgmt_cmd(ar->wmi, if_idx, id, freq,
+                                                    wait, data, data_len,
+                                                    no_cck);
+        } else {
+                status = ath6kl_wmi_send_action_cmd(ar->wmi, if_idx, id, freq,
+                                                    wait, data, data_len);
+        }
+
+        return status;
+}
+
 int ath6kl_wmi_send_probe_response_cmd(struct wmi *wmi, u8 if_idx, u32 freq,
                                        const u8 *dst, const u8 *data,
                                        u16 data_len)