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netlink: add basic decoding of NETLINK_ROUTE ifaddrlblmsg attributes

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* rtnl_addrlabel.c: Include "netlink.h", "nlattr.h",
and "xlat/rtnl_addrlabel_attrs.h".
(decode_ifaddrlblmsg): Call decode_nlattr.
* xlat/rtnl_addrlabel_attrs.in: New file.

Co-authored-by: Fabien Siron <fabien.siron@epita.fr>
This commit is contained in:
JingPiao Chen 2017-08-15 12:41:18 +08:00 committed by Dmitry V. Levin
parent 2795dde450
commit 52a55f2081
2 changed files with 16 additions and 1 deletions
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15
rtnl_addrlabel.c
View File

@ -32,14 +32,19 @@
#ifdef HAVE_STRUCT_IFADDRLBLMSG
# include "netlink_route.h"
# include "nlattr.h"
# include "print_fields.h"
# include <linux/if_addrlabel.h>
# include "netlink.h"
# include "xlat/rtnl_addrlabel_attrs.h"
DECL_NETLINK_ROUTE_DECODER(decode_ifaddrlblmsg)
{
struct ifaddrlblmsg ifal = { .ifal_family = family };
const size_t offset = sizeof(ifal.ifal_family);
size_t offset = sizeof(ifal.ifal_family);
bool decode_nla = false;
PRINT_FIELD_XVAL("{", ifal, ifal_family, addrfams, "AF_???");
@ -52,10 +57,18 @@ DECL_NETLINK_ROUTE_DECODER(decode_ifaddrlblmsg)
PRINT_FIELD_U(", ", ifal, ifal_flags);
PRINT_FIELD_IFINDEX(", ", ifal, ifal_index);
PRINT_FIELD_U(", ", ifal, ifal_seq);
decode_nla = true;
}
} else
tprints("...");
tprints("}");
offset = NLMSG_ALIGN(sizeof(ifal));
if (decode_nla && len > offset) {
tprints(", ");
decode_nlattr(tcp, addr + offset, len - offset,
rtnl_addrlabel_attrs, "IFAL_???", NULL, 0, NULL);
}
}
#endif

2
xlat/rtnl_addrlabel_attrs.in Normal file
View File

@ -0,0 +1,2 @@
IFAL_ADDRESS 1
IFAL_LABEL 2