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ip6: print RA flags description

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Helps debugging:

'S' = RS_SENT
'R' = RA_RCVD
'O' = OTHERCONF
'M' = MANAGED
This commit is contained in:
Dan Williams 2011-11-02 11:54:51 -05:00
parent 8434f3b3e0
commit 314d0968e1
1 changed files with 29 additions and 1 deletions
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30
src/ip6-manager/nm-ip6-manager.c
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@ -972,6 +972,28 @@ static struct nla_policy link_prot_policy[IFLA_INET6_MAX + 1] = {
[IFLA_INET6_FLAGS] = { .type = NLA_U32 },
};
static char *
ra_flags_to_string (guint32 ra_flags)
{
GString *s = g_string_sized_new (20);
g_string_append (s, " (");
if (ra_flags & IF_RS_SENT)
g_string_append_c (s, 'S');
if (ra_flags & IF_RA_RCVD)
g_string_append_c (s, 'R');
if (ra_flags & IF_RA_OTHERCONF)
g_string_append_c (s, 'O');
if (ra_flags & IF_RA_MANAGED)
g_string_append_c (s, 'M');
g_string_append_c (s, ')');
return g_string_free (s, FALSE);
}
static NMIP6Device *
process_newlink (NMIP6Manager *manager, struct nl_msg *msg)
{
@ -981,6 +1003,7 @@ process_newlink (NMIP6Manager *manager, struct nl_msg *msg)
struct nlattr *tb[IFLA_MAX + 1];
struct nlattr *pi[IFLA_INET6_MAX + 1];
int err;
char *flags_str = NULL;
/* FIXME: we have to do this manually for now since libnl doesn't yet
* support the IFLA_PROTINFO attribute of NEWLINK messages. When it does,
@ -1024,7 +1047,12 @@ process_newlink (NMIP6Manager *manager, struct nl_msg *msg)
}
device->ra_flags = nla_get_u32 (pi[IFLA_INET6_FLAGS]);
nm_log_dbg (LOGD_IP6, "(%s): got IPv6 flags 0x%X", device->iface, device->ra_flags);
if (nm_logging_level_enabled (LOGL_DEBUG))
flags_str = ra_flags_to_string (device->ra_flags);
nm_log_dbg (LOGD_IP6, "(%s): got IPv6 flags 0x%X%s",
device->iface, device->ra_flags, flags_str ? flags_str : "");
g_free (flags_str);
return device;
}