@@ -59,6 +59,7 @@ static void usage(void)
" [ if_id IF_ID ] [ LIMIT-LIST ] [ TMPL-LIST ]\n"
"Usage: ip xfrm policy { delete | get } { SELECTOR | index INDEX } dir DIR\n"
" [ ctx CTX ] [ mark MARK [ mask MASK ] ] [ ptype PTYPE ]\n"
+ " [ if_id IF_ID ]\n"
"Usage: ip xfrm policy { deleteall | list } [ nosock ] [ SELECTOR ] [ dir DIR ]\n"
" [ index INDEX ] [ ptype PTYPE ] [ action ACTION ] [ priority PRIORITY ]\n"
" [ flag FLAG-LIST ]\n"
@@ -582,6 +583,8 @@ static int xfrm_policy_get_or_delete(int argc, char **argv, int delete,
struct xfrm_user_sec_ctx sctx;
char str[CTX_BUF_SIZE];
} ctx = {};
+ bool is_if_id_set = false;
+ __u32 if_id = 0;
while (argc > 0) {
if (strcmp(*argv, "dir") == 0) {
@@ -619,7 +622,11 @@ static int xfrm_policy_get_or_delete(int argc, char **argv, int delete,
NEXT_ARG();
xfrm_policy_ptype_parse(&upt.type, &argc, &argv);
-
+ } else if (strcmp(*argv, "if_id") == 0) {
+ NEXT_ARG();
+ if (get_u32(&if_id, *argv, 0))
+ invarg("IF_ID value is invalid", *argv);
+ is_if_id_set = true;
} else {
if (selp)
invarg("unknown", *argv);
@@ -669,6 +676,9 @@ static int xfrm_policy_get_or_delete(int argc, char **argv, int delete,
(void *)&ctx, ctx.sctx.len);
}
+ if (is_if_id_set)
+ addattr32(&req.n, sizeof(req.buf), XFRMA_IF_ID, if_id);
+
if (rtnl_talk(&rth, &req.n, answer) < 0)
exit(2);
@@ -767,6 +777,11 @@ static int xfrm_policy_keep(struct nlmsghdr *n, void *arg)
}
}
+ if (tb[XFRMA_IF_ID]) {
+ addattr32(new_n, xb->size, XFRMA_IF_ID,
+ rta_getattr_u32(tb[XFRMA_IF_ID]));
+ }
+
xb->offset += new_n->nlmsg_len;
xb->nlmsg_count++;
@@ -259,6 +259,8 @@ ip-xfrm \- transform configuration
.IR MASK " ] ]"
.RB "[ " ptype
.IR PTYPE " ]"
+.RB "[ " if_id
+.IR IF-ID " ]"
.ti -8
.BR ip " [ " -4 " | " -6 " ] " "xfrm policy" " { " deleteall " | " list " }"
The XFRMA_IF_ID attribute is set in policies for them to be associated with an XFRM interface (4.19+). Add support for getting/deleting policies with this attribute. For supporting 'deleteall' the XFRMA_IF_ID attribute needs to be explicitly copied. Signed-off-by: Eyal Birger <eyal.birger@gmail.com> --- ip/xfrm_policy.c | 17 ++++++++++++++++- man/man8/ip-xfrm.8 | 2 ++ 2 files changed, 18 insertions(+), 1 deletion(-)