1 files changed, 15 insertions, 10 deletions

diff --git a/drivers/net/wireless/ath/ath10k/hif.h b/drivers/net/wireless/ath/ath10k/hif.h
index dcdea68bcc0a..2ac7beacddca 100644
--- a/drivers/net/wireless/ath/ath10k/hif.h
+++ b/drivers/net/wireless/ath/ath10k/hif.h
@@ -21,6 +21,14 @@
 #include <linux/kernel.h>
 #include "core.h"
 
+struct ath10k_hif_sg_item {
+        u16 transfer_id;
+        void *transfer_context; /* NULL = tx completion callback not called */
+        void *vaddr; /* for debugging mostly */
+        u32 paddr;
+        u16 len;
+};
+
 struct ath10k_hif_cb {
         int (*tx_completion)(struct ath10k *ar,
                              struct sk_buff *wbuf,
@@ -31,11 +39,9 @@ struct ath10k_hif_cb {
 };
 
 struct ath10k_hif_ops {
-        /* Send the head of a buffer to HIF for transmission to the target. */
-        int (*send_head)(struct ath10k *ar, u8 pipe_id,
-                         unsigned int transfer_id,
-                         unsigned int nbytes,
-                         struct sk_buff *buf);
+        /* send a scatter-gather list to the target */
+        int (*tx_sg)(struct ath10k *ar, u8 pipe_id,
+                     struct ath10k_hif_sg_item *items, int n_items);
 
         /*
          * API to handle HIF-specific BMI message exchanges, this API is
@@ -86,12 +92,11 @@ struct ath10k_hif_ops {
 };
 
 
-static inline int ath10k_hif_send_head(struct ath10k *ar, u8 pipe_id,
-                                       unsigned int transfer_id,
-                                       unsigned int nbytes,
-                                       struct sk_buff *buf)
+static inline int ath10k_hif_tx_sg(struct ath10k *ar, u8 pipe_id,
+                                   struct ath10k_hif_sg_item *items,
+                                   int n_items)
 {
-        return ar->hif.ops->send_head(ar, pipe_id, transfer_id, nbytes, buf);
+        return ar->hif.ops->tx_sg(ar, pipe_id, items, n_items);
 }
 
 static inline int ath10k_hif_exchange_bmi_msg(struct ath10k *ar,