From 89af2ce2d95c80f6da9388d9da2e35c84c2573b1 Mon Sep 17 00:00:00 2001
From: Ricardo Martinez <ricardo.martinez@linux.intel.com>
Date: Fri, 13 May 2022 10:34:00 -0700
Subject: [PATCH] net: skb: Remove skb_data_area_size()
skb_data_area_size() is not needed. As Jakub pointed out [1]:
For Rx, drivers can use the size passed during skb allocation or
use skb_tailroom().
For Tx, drivers should use skb_headlen().
[1] https://lore.kernel.org/netdev/CAHNKnsTmH-rGgWi3jtyC=ktM1DW2W1VJkYoTMJV2Z_Bt498bsg@mail.gmail.com/
Signed-off-by: Ricardo Martinez <ricardo.martinez@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Sergey Ryazanov <ryazanov.s.a@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
include/linux/skbuff.h | 5 -----
1 file changed, 5 deletions(-)
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 5a2b29df6cab9..da96f0d3e753f 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -1765,11 +1765,6 @@ static inline void skb_set_end_offset(struct sk_buff *skb, unsigned int offset)
}
#endif
-static inline unsigned int skb_data_area_size(struct sk_buff *skb)
-{
- return skb_end_pointer(skb) - skb->data;
-}
-
struct ubuf_info *msg_zerocopy_realloc(struct sock *sk, size_t size,
struct ubuf_info *uarg);
--
2.30.2