wil6210: simple ADDBA on originator (Tx) side

Upon Tx vring creation, initiate BACK establishment
with maximum possible window size.

When establishing secure connection, there is EAPOL data exchange
between connection itself and "data port open", where security
is done and non-EAPOL data may be transferred. It is better to
send EAPOL frames using normal ACK because of firmware considerations.

send ADDBA only is 2 conditions met:
- data port open for the corresponded STA
- vring created

Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

1 files changed, 15 insertions, 0 deletions

diff --git a/drivers/net/wireless/ath/wil6210/wil6210.h b/drivers/net/wireless/ath/wil6210/wil6210.h
index 4a9a68e7a007..9cd76da3738d 100644
--- a/drivers/net/wireless/ath/wil6210/wil6210.h
+++ b/drivers/net/wireless/ath/wil6210/wil6210.h
@@ -314,6 +314,7 @@ struct vring_tx_data {
         cycles_t idle, last_idle, begin;
         u8 agg_wsize; /* agreed aggregation window, 0 - no agg */
         u16 agg_timeout;
+        bool addba_in_progress; /* if set, agg_xxx is for request in progress */
 };
 
 enum { /* for wil6210_priv.status */
@@ -418,6 +419,14 @@ struct wil_back_rx {
         u16 ba_seq_ctrl;
 };
 
+struct wil_back_tx {
+        struct list_head list;
+        /* request params, converted to CPU byte order - what we asked for */
+        u8 ringid;
+        u8 agg_wsize;
+        u16 agg_timeout;
+};
+
 struct wil6210_priv {
         struct pci_dev *pdev;
         int n_msi;
@@ -470,6 +479,9 @@ struct wil6210_priv {
         struct list_head back_rx_pending;
         struct mutex back_rx_mutex; /* protect @back_rx_pending */
         struct work_struct back_rx_worker;
+        struct list_head back_tx_pending;
+        struct mutex back_tx_mutex; /* protect @back_tx_pending */
+        struct work_struct back_tx_worker;
         /* DMA related */
         struct vring vring_rx;
         struct vring vring_tx[WIL6210_MAX_TX_RINGS];
@@ -601,6 +613,9 @@ int wil_addba_rx_request(struct wil6210_priv *wil, u8 cidxtid,
                          __le16 ba_timeout, __le16 ba_seq_ctrl);
 void wil_back_rx_worker(struct work_struct *work);
 void wil_back_rx_flush(struct wil6210_priv *wil);
+int wil_addba_tx_request(struct wil6210_priv *wil, u8 ringid);
+void wil_back_tx_worker(struct work_struct *work);
+void wil_back_tx_flush(struct wil6210_priv *wil);
 
 void wil6210_clear_irq(struct wil6210_priv *wil);
 int wil6210_init_irq(struct wil6210_priv *wil, int irq);