[06/11] backports: skbuff.h: Add skb_mac_offset()
diff mbox series

Message ID 20191003155642.14909-7-hauke@hauke-m.de
State New
Headers show
Series
  • backports: Update to kernel 5.4-rc1
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Commit Message

Hauke Mehrtens Oct. 3, 2019, 3:56 p.m. UTC
Add skb_mac_offset() from upstream kernel commit ea6da4fd388a
("net/skbuff: Introduce skb_mac_offset()") which is used by the wil6210
driver.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
---
 backport/backport-include/linux/skbuff.h | 8 ++++++++
 1 file changed, 8 insertions(+)

Patch
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diff --git a/backport/backport-include/linux/skbuff.h b/backport/backport-include/linux/skbuff.h
index 589d2499..41e5724b 100644
--- a/backport/backport-include/linux/skbuff.h
+++ b/backport/backport-include/linux/skbuff.h
@@ -380,6 +380,14 @@  static inline struct sk_buff *__skb_peek(const struct sk_buff_head *list_)
 }
 #endif
 
+#if LINUX_VERSION_IS_LESS(4,11,0)
+#define skb_mac_offset LINUX_BACKPORT(skb_mac_offset)
+static inline int skb_mac_offset(const struct sk_buff *skb)
+{
+	return skb_mac_header(skb) - skb->data;
+}
+#endif
+
 #if LINUX_VERSION_IS_LESS(5,4,0)
 /**
  * skb_frag_off() - Returns the offset of a skb fragment