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authorIlya Lesokhin <ilyal@mellanox.com>2018-04-30 10:16:11 +0300
committerDavid S. Miller <davem@davemloft.net>2018-05-01 09:42:46 -0400
commit08303c189581c985e60f588ad92a041e46b6e307 (patch)
treeaae2a254c6441d9a060c4d0a3c99da57346653b0 /net/core/skbuff.c
parenttcp: Add clean acked data hook (diff)
downloadlinux-dev-08303c189581c985e60f588ad92a041e46b6e307.tar.xz
linux-dev-08303c189581c985e60f588ad92a041e46b6e307.zip
net: Rename and export copy_skb_header
copy_skb_header is renamed to skb_copy_header and exported. Exposing this function give more flexibility in copying SKBs. skb_copy and skb_copy_expand do not give enough control over which parts are copied. Signed-off-by: Ilya Lesokhin <ilyal@mellanox.com> Signed-off-by: Boris Pismenny <borisp@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core/skbuff.c')
-rw-r--r--net/core/skbuff.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index c647cfe114e0..c642304f178c 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -1305,7 +1305,7 @@ static void skb_headers_offset_update(struct sk_buff *skb, int off)
skb->inner_mac_header += off;
}
-static void copy_skb_header(struct sk_buff *new, const struct sk_buff *old)
+void skb_copy_header(struct sk_buff *new, const struct sk_buff *old)
{
__copy_skb_header(new, old);
@@ -1313,6 +1313,7 @@ static void copy_skb_header(struct sk_buff *new, const struct sk_buff *old)
skb_shinfo(new)->gso_segs = skb_shinfo(old)->gso_segs;
skb_shinfo(new)->gso_type = skb_shinfo(old)->gso_type;
}
+EXPORT_SYMBOL(skb_copy_header);
static inline int skb_alloc_rx_flag(const struct sk_buff *skb)
{
@@ -1355,7 +1356,7 @@ struct sk_buff *skb_copy(const struct sk_buff *skb, gfp_t gfp_mask)
BUG_ON(skb_copy_bits(skb, -headerlen, n->head, headerlen + skb->len));
- copy_skb_header(n, skb);
+ skb_copy_header(n, skb);
return n;
}
EXPORT_SYMBOL(skb_copy);
@@ -1419,7 +1420,7 @@ struct sk_buff *__pskb_copy_fclone(struct sk_buff *skb, int headroom,
skb_clone_fraglist(n);
}
- copy_skb_header(n, skb);
+ skb_copy_header(n, skb);
out:
return n;
}
@@ -1599,7 +1600,7 @@ struct sk_buff *skb_copy_expand(const struct sk_buff *skb,
BUG_ON(skb_copy_bits(skb, -head_copy_len, n->head + head_copy_off,
skb->len + head_copy_len));
- copy_skb_header(n, skb);
+ skb_copy_header(n, skb);
skb_headers_offset_update(n, newheadroom - oldheadroom);