wil6210: Introduce struct for sw context
Enable adding more data to the SW context.
For now, add flag "mapped_as_page", to separate decisions on free-ing skb
and type of DMA mapping.
This allows linking skb itself to any descriptor of fragmented skb.
Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/wil6210/wil6210.h b/drivers/net/wireless/ath/wil6210/wil6210.h
index 129c480..c4a5163 100644
--- a/drivers/net/wireless/ath/wil6210/wil6210.h
+++ b/drivers/net/wireless/ath/wil6210/wil6210.h
@@ -183,6 +183,14 @@
} __packed event;
};
+/**
+ * struct wil_ctx - software context for Vring descriptor
+ */
+struct wil_ctx {
+ struct sk_buff *skb;
+ u8 mapped_as_page:1;
+};
+
union vring_desc;
struct vring {
@@ -192,7 +200,7 @@
u32 swtail;
u32 swhead;
u32 hwtail; /* write here to inform hw */
- void **ctx; /* void *ctx[size] - software context */
+ struct wil_ctx *ctx; /* ctx[size] - software context */
};
enum { /* for wil6210_priv.status */