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| author | Jonathan Lemon <jonathan.lemon@gmail.com> | 2021-01-06 14:18:38 -0800 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2021-01-07 16:08:37 -0800 |
| commit | 06b4feb37e64e543714c971a4162a75e2e4024d4 (patch) | |
| tree | 35c7e2f31aca1a5a1be05689f234b7ca9c511fc8 /net/core/skbuff.c | |
| parent | 8c793822c5803e01d03f71c431f59316f0b278b7 (diff) | |
| download | lwn-06b4feb37e64e543714c971a4162a75e2e4024d4.tar.gz lwn-06b4feb37e64e543714c971a4162a75e2e4024d4.zip | |
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>
Diffstat (limited to 'net/core/skbuff.c')
| -rw-r--r-- | net/core/skbuff.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/net/core/skbuff.c b/net/core/skbuff.c index bcd56763952e..5b9e52cbd087 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 @@ normal: 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)) |