linux-stable/include/net/rpl.h
Kuniyuki Iwashima ac9d8a66e4 ipv6: rpl: Remove pskb(_may)?_pull() in ipv6_rpl_srh_rcv().
As Eric Dumazet pointed out [0], ipv6_rthdr_rcv() pulls these data

  - Segment Routing Header : 8
  - Hdr Ext Len            : skb_transport_header(skb)[1] << 3

needed by ipv6_rpl_srh_rcv().  We can remove pskb_may_pull() and
replace pskb_pull() with skb_pull() in ipv6_rpl_srh_rcv().

Link: https://lore.kernel.org/netdev/CANn89iLboLwLrHXeHJucAqBkEL_S0rJFog68t7wwwXO-aNf5Mg@mail.gmail.com/ [0]
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-06-19 11:32:58 -07:00

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C

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* RPL implementation
*
* Author:
* (C) 2020 Alexander Aring <alex.aring@gmail.com>
*/
#ifndef _NET_RPL_H
#define _NET_RPL_H
#include <linux/rpl.h>
#if IS_ENABLED(CONFIG_IPV6_RPL_LWTUNNEL)
extern int rpl_init(void);
extern void rpl_exit(void);
#else
static inline int rpl_init(void)
{
return 0;
}
static inline void rpl_exit(void) {}
#endif
void ipv6_rpl_srh_decompress(struct ipv6_rpl_sr_hdr *outhdr,
const struct ipv6_rpl_sr_hdr *inhdr,
const struct in6_addr *daddr, unsigned char n);
void ipv6_rpl_srh_compress(struct ipv6_rpl_sr_hdr *outhdr,
const struct ipv6_rpl_sr_hdr *inhdr,
const struct in6_addr *daddr, unsigned char n);
#endif /* _NET_RPL_H */