From mboxrd@z Thu Jan 1 00:00:00 1970 From: Toshiaki Makita Subject: [PATCH v6 bpf-next 1/9] net: Export skb_headers_offset_update Date: Mon, 30 Jul 2018 19:43:43 +0900 Message-ID: <1532947431-2737-2-git-send-email-makita.toshiaki@lab.ntt.co.jp> References: <1532947431-2737-1-git-send-email-makita.toshiaki@lab.ntt.co.jp> Cc: Toshiaki Makita , netdev@vger.kernel.org, Jesper Dangaard Brouer , Jakub Kicinski , John Fastabend To: Alexei Starovoitov , Daniel Borkmann Return-path: Received: from tama50.ecl.ntt.co.jp ([129.60.39.147]:52062 "EHLO tama50.ecl.ntt.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726685AbeG3MTi (ORCPT ); Mon, 30 Jul 2018 08:19:38 -0400 In-Reply-To: <1532947431-2737-1-git-send-email-makita.toshiaki@lab.ntt.co.jp> Sender: netdev-owner@vger.kernel.org List-ID: This is needed for veth XDP which does skb_copy_expand()-like operation. v2: - Drop skb_copy_header part because it has already been exported now. Signed-off-by: Toshiaki Makita --- include/linux/skbuff.h | 1 + net/core/skbuff.c | 3 ++- 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index fd3cb1b..f692968 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -1035,6 +1035,7 @@ static inline struct sk_buff *alloc_skb_fclone(unsigned int size, } struct sk_buff *skb_morph(struct sk_buff *dst, struct sk_buff *src); +void skb_headers_offset_update(struct sk_buff *skb, int off); int skb_copy_ubufs(struct sk_buff *skb, gfp_t gfp_mask); struct sk_buff *skb_clone(struct sk_buff *skb, gfp_t priority); void skb_copy_header(struct sk_buff *new, const struct sk_buff *old); diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 266b954..f5670e6 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -1291,7 +1291,7 @@ struct sk_buff *skb_clone(struct sk_buff *skb, gfp_t gfp_mask) } EXPORT_SYMBOL(skb_clone); -static void skb_headers_offset_update(struct sk_buff *skb, int off) +void skb_headers_offset_update(struct sk_buff *skb, int off) { /* Only adjust this if it actually is csum_start rather than csum */ if (skb->ip_summed == CHECKSUM_PARTIAL) @@ -1305,6 +1305,7 @@ static void skb_headers_offset_update(struct sk_buff *skb, int off) skb->inner_network_header += off; skb->inner_mac_header += off; } +EXPORT_SYMBOL(skb_headers_offset_update); void skb_copy_header(struct sk_buff *new, const struct sk_buff *old) { -- 1.8.3.1