diff options
| author | Alexander Aring | 2020-03-27 18:00:22 -0400 |
|---|---|---|
| committer | David S. Miller | 2020-03-29 22:30:57 -0700 |
| commit | a7a29f9c361f8542604ef959ae6627f423b7a412 (patch) | |
| tree | 2a47bb1d90dfb74af8349340ab382592ff646be3 /include | |
| parent | faee676944dab731c9b2b91cf86c769d291a2237 (diff) | |
net: ipv6: add rpl sr tunnel
This patch adds functionality to configure routes for RPL source routing
functionality. There is no IPIP functionality yet implemented which can
be added later when the cases when to use IPv6 encapuslation comes more
clear.
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
| -rw-r--r-- | include/net/rpl.h | 12 | ||||
| -rw-r--r-- | include/uapi/linux/lwtunnel.h | 1 | ||||
| -rw-r--r-- | include/uapi/linux/rpl_iptunnel.h | 21 |
3 files changed, 34 insertions, 0 deletions
diff --git a/include/net/rpl.h b/include/net/rpl.h index d694d49a61db..dceff60e8baf 100644 --- a/include/net/rpl.h +++ b/include/net/rpl.h @@ -11,6 +11,18 @@ #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 + /* Worst decompression memory usage ipv6 address (16) + pad 7 */ #define IPV6_RPL_SRH_WORST_SWAP_SIZE (sizeof(struct in6_addr) + 7) diff --git a/include/uapi/linux/lwtunnel.h b/include/uapi/linux/lwtunnel.h index f6035f737193..568a4303ccce 100644 --- a/include/uapi/linux/lwtunnel.h +++ b/include/uapi/linux/lwtunnel.h @@ -13,6 +13,7 @@ enum lwtunnel_encap_types { LWTUNNEL_ENCAP_SEG6, LWTUNNEL_ENCAP_BPF, LWTUNNEL_ENCAP_SEG6_LOCAL, + LWTUNNEL_ENCAP_RPL, __LWTUNNEL_ENCAP_MAX, }; diff --git a/include/uapi/linux/rpl_iptunnel.h b/include/uapi/linux/rpl_iptunnel.h new file mode 100644 index 000000000000..f4eed1f92baa --- /dev/null +++ b/include/uapi/linux/rpl_iptunnel.h @@ -0,0 +1,21 @@ +/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ +/* + * IPv6 RPL-SR implementation + * + * Author: + * (C) 2020 Alexander Aring <alex.aring@gmail.com> + */ + +#ifndef _UAPI_LINUX_RPL_IPTUNNEL_H +#define _UAPI_LINUX_RPL_IPTUNNEL_H + +enum { + RPL_IPTUNNEL_UNSPEC, + RPL_IPTUNNEL_SRH, + __RPL_IPTUNNEL_MAX, +}; +#define RPL_IPTUNNEL_MAX (__RPL_IPTUNNEL_MAX - 1) + +#define RPL_IPTUNNEL_SRH_SIZE(srh) (((srh)->hdrlen + 1) << 3) + +#endif |