From: wenxu@ucloud.cn
To: kuba@kernel.org, mleitner@redhat.com
Cc: netdev@vger.kernel.org, jhs@mojatatu.com
Subject: [PATCH net-next v2] net/sched: cls_flower: validate ct_state for invalid and reply flags
Date: Tue, 23 Feb 2021 15:11:55 +0800 [thread overview]
Message-ID: <1614064315-364-1-git-send-email-wenxu@ucloud.cn> (raw)
From: wenxu <wenxu@ucloud.cn>
Add invalid and reply flags validate in the fl_validate_ct_state.
This makes the checking complete if compared to ovs'
validate_ct_state().
Signed-off-by: wenxu <wenxu@ucloud.cn>
---
net/sched/cls_flower.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/net/sched/cls_flower.c b/net/sched/cls_flower.c
index 2409e52..18430db 100644
--- a/net/sched/cls_flower.c
+++ b/net/sched/cls_flower.c
@@ -1417,6 +1417,21 @@ static int fl_validate_ct_state(u16 state, struct nlattr *tb,
return -EINVAL;
}
+ if (state & TCA_FLOWER_KEY_CT_FLAGS_INVALID &&
+ state & ~(TCA_FLOWER_KEY_CT_FLAGS_TRACKED |
+ TCA_FLOWER_KEY_CT_FLAGS_INVALID)) {
+ NL_SET_ERR_MSG_ATTR(extack, tb,
+ "when inv is set, only trk may be set");
+ return -EINVAL;
+ }
+
+ if (state & TCA_FLOWER_KEY_CT_FLAGS_NEW &&
+ state & TCA_FLOWER_KEY_CT_FLAGS_REPLY) {
+ NL_SET_ERR_MSG_ATTR(extack, tb,
+ "new and rpl are mutually exclusive");
+ return -EINVAL;
+ }
+
return 0;
}
--
1.8.3.1
next reply other threads:[~2021-02-23 7:13 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-23 7:11 wenxu [this message]
2021-02-23 12:05 ` [PATCH net-next v2] net/sched: cls_flower: validate ct_state for invalid and reply flags Marcelo Ricardo Leitner
2021-02-23 20:26 ` Jakub Kicinski
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