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bridge: mdb: print protocol when available 

Print the mdb entry's protocol (i.e. who added it)  when it's available if
the user requested to show details (-d). Currently the only possible
values are RTPROT_STATIC (user-space added) or RTPROT_KERNEL
(automatically added by kernel). The value is kernel controlled.

Signed-off-by: Nikolay Aleksandrov <nikolay@nvidia.com>
Signed-off-by: David Ahern <dsahern@gmail.com>
This commit is contained in:
Nikolay Aleksandrov 2020-10-08 16:50:24 +03:00 committed by David Ahern
parent 2de81d1eff
commit 86588450c5
1 changed files with 7 additions and 0 deletions
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7
bridge/mdb.c
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@ -203,6 +203,13 @@ static void print_mdb_entry(FILE *f, int ifindex, const struct br_mdb_entry *e,
}
close_json_array(PRINT_JSON, NULL);
}
if (tb[MDBA_MDB_EATTR_RTPROT]) {
__u8 rtprot = rta_getattr_u8(tb[MDBA_MDB_EATTR_RTPROT]);
SPRINT_BUF(rtb);
print_string(PRINT_ANY, "protocol", " proto %s ",
rtnl_rtprot_n2a(rtprot, rtb, sizeof(rtb)));
}
}
open_json_array(PRINT_JSON, "flags");