From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mx1.mailbox.org ([80.241.60.212]:48910 "EHLO mx1.mailbox.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754049AbdHUW2m (ORCPT ); Mon, 21 Aug 2017 18:28:42 -0400 From: Hauke Mehrtens To: johannes@sipsolutions.net Cc: backports@vger.kernel.org, Hauke Mehrtens Subject: [PATCH 03/21] header: skbuff: add skb_put_zero(), skb_put_data() and skb_put_u8() Date: Tue, 22 Aug 2017 00:27:59 +0200 Message-Id: <20170821222817.17376-4-hauke@hauke-m.de> (sfid-20170822_002844_227398_62E1A776) In-Reply-To: <20170821222817.17376-1-hauke@hauke-m.de> References: <20170821222817.17376-1-hauke@hauke-m.de> Sender: backports-owner@vger.kernel.org List-ID: These functions were added in kernel 4.13 and are used by many driver now. This was added in the following upsteram comits: e45a79da863c19 ("skbuff/mac80211: introduce and use skb_put_zero()") 59ae1d127ac0ae ("networking: introduce and use skb_put_data()") 634fef61076d64 ("networking: add and use skb_put_u8()") Signed-off-by: Hauke Mehrtens --- backport/backport-include/linux/skbuff.h | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/backport/backport-include/linux/skbuff.h b/backport/backport-include/linux/skbuff.h index dc957487..09894a96 100644 --- a/backport/backport-include/linux/skbuff.h +++ b/backport/backport-include/linux/skbuff.h @@ -315,4 +315,30 @@ __u32 skb_get_hash_perturb(const struct sk_buff *skb, u32 perturb) #endif +#if LINUX_VERSION_IS_LESS(4,13,0) +static inline void *skb_put_zero(struct sk_buff *skb, unsigned int len) +{ + void *tmp = skb_put(skb, len); + + memset(tmp, 0, len); + + return tmp; +} + +static inline void *skb_put_data(struct sk_buff *skb, const void *data, + unsigned int len) +{ + void *tmp = skb_put(skb, len); + + memcpy(tmp, data, len); + + return tmp; +} + +static inline void skb_put_u8(struct sk_buff *skb, u8 val) +{ + *(u8 *)skb_put(skb, 1) = val; +} +#endif + #endif /* __BACKPORT_SKBUFF_H */ -- 2.11.0 -- To unsubscribe from this list: send the line "unsubscribe backports" in