net: group skb_shinfo zerocopy related bits together.
In preparation for expanded zerocopy (TX and RX), move
the zerocopy related bits out of tx_flags into their own
flag word.
Signed-off-by: Jonathan Lemon <jonathan.lemon@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index bcd5676..5b9e52c 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -1327,7 +1327,7 @@ static int skb_zerocopy_clone(struct sk_buff *nskb, struct sk_buff *orig,
* @skb: the skb to modify
* @gfp_mask: allocation priority
*
- * This must be called on SKBTX_DEV_ZEROCOPY skb.
+ * This must be called on skb with SKBFL_ZEROCOPY_ENABLE.
* It will copy all frags into kernel and drop the reference
* to userspace pages.
*
@@ -3264,8 +3264,7 @@ void skb_split(struct sk_buff *skb, struct sk_buff *skb1, const u32 len)
{
int pos = skb_headlen(skb);
- skb_shinfo(skb1)->tx_flags |= skb_shinfo(skb)->tx_flags &
- SKBTX_SHARED_FRAG;
+ skb_shinfo(skb1)->flags |= skb_shinfo(skb)->flags & SKBFL_SHARED_FRAG;
skb_zerocopy_clone(skb1, skb, 0);
if (len < pos) /* Split line is inside header. */
skb_split_inside_header(skb, skb1, len, pos);
@@ -3954,8 +3953,8 @@ struct sk_buff *skb_segment(struct sk_buff *head_skb,
skb_copy_from_linear_data_offset(head_skb, offset,
skb_put(nskb, hsize), hsize);
- skb_shinfo(nskb)->tx_flags |= skb_shinfo(head_skb)->tx_flags &
- SKBTX_SHARED_FRAG;
+ skb_shinfo(nskb)->flags |= skb_shinfo(head_skb)->flags &
+ SKBFL_SHARED_FRAG;
if (skb_orphan_frags(frag_skb, GFP_ATOMIC) ||
skb_zerocopy_clone(nskb, frag_skb, GFP_ATOMIC))