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| author | Alexander Aring <alex.aring@gmail.com> | 2020-03-27 23:00:20 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-03-30 07:30:57 +0200 |
| commit | 8610c7c6e3bd647ff98d21c8bc0580e77bc2f8b3 (patch) | |
| tree | 638528cb15fa478b0532b882f76a8212acfb2e66 /net/ipv6/addrconf.c | |
| parent | addrconf: add functionality to check on rpl requirements (diff) | |
| download | linux-8610c7c6e3bd647ff98d21c8bc0580e77bc2f8b3.tar.xz linux-8610c7c6e3bd647ff98d21c8bc0580e77bc2f8b3.zip | |
net: ipv6: add support for rpl sr exthdr
This patch adds rpl source routing receive handling. Everything works
only if sysconf "rpl_seg_enabled" and source routing is enabled. Mostly
the same behaviour as IPv6 segmentation routing. To handle compression
and uncompression a rpl.c file is created which contains the necessary
functionality. The receive handling will also care about IPv6
encapsulated so far it's specified as possible nexthdr in RFC 6554.
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/addrconf.c')
| -rw-r--r-- | net/ipv6/addrconf.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index 594963a7e1ec..a11fd4d67832 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -236,6 +236,7 @@ static struct ipv6_devconf ipv6_devconf __read_mostly = { .enhanced_dad = 1, .addr_gen_mode = IN6_ADDR_GEN_MODE_EUI64, .disable_policy = 0, + .rpl_seg_enabled = 0, }; static struct ipv6_devconf ipv6_devconf_dflt __read_mostly = { @@ -290,6 +291,7 @@ static struct ipv6_devconf ipv6_devconf_dflt __read_mostly = { .enhanced_dad = 1, .addr_gen_mode = IN6_ADDR_GEN_MODE_EUI64, .disable_policy = 0, + .rpl_seg_enabled = 0, }; /* Check if link is ready: is it up and is a valid qdisc available */ @@ -5520,6 +5522,7 @@ static inline void ipv6_store_devconf(struct ipv6_devconf *cnf, array[DEVCONF_ADDR_GEN_MODE] = cnf->addr_gen_mode; array[DEVCONF_DISABLE_POLICY] = cnf->disable_policy; array[DEVCONF_NDISC_TCLASS] = cnf->ndisc_tclass; + array[DEVCONF_RPL_SEG_ENABLED] = cnf->rpl_seg_enabled; } static inline size_t inet6_ifla6_size(void) @@ -6901,6 +6904,13 @@ static const struct ctl_table addrconf_sysctl[] = { .extra2 = (void *)&two_five_five, }, { + .procname = "rpl_seg_enabled", + .data = &ipv6_devconf.rpl_seg_enabled, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = proc_dointvec, + }, + { /* sentinel */ } }; |