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Date:   Fri, 28 Aug 2020 16:59:07 +0200
From:   Antony Antony <antony@...nome.org>
To:     Stephen Hemminger <stephen@...workplumber.org>
Cc:     netdev@...r.kernel.org
Subject: [PATCH iproute2-next] ip xfrm: support printing XFRMA_SET_MARK_MASK
 attribute in states

The XFRMA_SET_MARK_MASK attribute is set in states (4.19+).
It is the mask of XFRMA_SET_MARK(a.k.a. XFRMA_OUTPUT_MARK in 4.18)

sample output: note the output-mark mask
ip xfrm state
	src 192.1.2.23 dst 192.1.3.33
	proto esp spi 0xSPISPI reqid REQID mode tunnel
	replay-window 32 flag af-unspec
	output-mark 0x3/0xffffff
	aead rfc4106(gcm(aes)) 0xENCAUTHKEY 128
	if_id 0x1

Signed-off-by: Antony Antony <antony@...nome.org>
---
 ip/ipxfrm.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/ip/ipxfrm.c b/ip/ipxfrm.c
index cac8ba25..e4a72bd0 100644
--- a/ip/ipxfrm.c
+++ b/ip/ipxfrm.c
@@ -649,6 +649,10 @@ static void xfrm_output_mark_print(struct rtattr *tb[], FILE *fp)
 	__u32 output_mark = rta_getattr_u32(tb[XFRMA_OUTPUT_MARK]);
 
 	fprintf(fp, "output-mark 0x%x", output_mark);
+	if (tb[XFRMA_SET_MARK_MASK]) {
+		__u32 mask = rta_getattr_u32(tb[XFRMA_SET_MARK_MASK]);
+		fprintf(fp, "/0x%x", mask);
+	}
 }
 
 int xfrm_parse_mark(struct xfrm_mark *mark, int *argcp, char ***argvp)
-- 
2.21.3

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