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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@phenome.org>
Signed-off-by: David Ahern <dsahern@gmail.com>
This commit is contained in:
Antony Antony 2020-08-28 16:59:07 +02:00 committed by David Ahern
parent 275eed9be5
commit af27494d2e
1 changed files with 4 additions and 0 deletions
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4
ip/ipxfrm.c
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@ -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)