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net: group skb_shinfo zerocopy related bits together.

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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>
This commit is contained in:
Jonathan Lemon
2021-01-06 14:18:38 -08:00
committed by Jakub Kicinski
parent 8c793822c5
commit 06b4feb37e
7 changed files with 32 additions and 31 deletions
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4
net/kcm/kcmsock.c
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@@ -786,7 +786,7 @@ static ssize_t kcm_sendpage(struct socket *sock, struct page *page,
if (skb_can_coalesce(skb, i, page, offset)) {
skb_frag_size_add(&skb_shinfo(skb)->frags[i - 1], size);
skb_shinfo(skb)->tx_flags |= SKBTX_SHARED_FRAG;
skb_shinfo(skb)->flags |= SKBFL_SHARED_FRAG;
goto coalesced;
}
@@ -834,7 +834,7 @@ static ssize_t kcm_sendpage(struct socket *sock, struct page *page,
get_page(page);
skb_fill_page_desc(skb, i, page, offset, size);
skb_shinfo(skb)->tx_flags |= SKBTX_SHARED_FRAG;
skb_shinfo(skb)->flags |= SKBFL_SHARED_FRAG;
coalesced:
skb->len += size;