netdev - [PATCH nf-next] nfqueue: enable to set skb->priority

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Message-Id: <20220204102143.4010-1-nicolas.dichtel@6wind.com>
Date:   Fri,  4 Feb 2022 11:21:43 +0100
From:   Nicolas Dichtel <nicolas.dichtel@...nd.com>
To:     pablo@...filter.org
Cc:     fw@...len.de, netfilter-devel@...r.kernel.org,
        netdev@...r.kernel.org, Nicolas Dichtel <nicolas.dichtel@...nd.com>
Subject: [PATCH nf-next] nfqueue: enable to set skb->priority

This is a follow up of the previous patch that enables to get
skb->priority. It's now posssible to set it also.

Signed-off-by: Nicolas Dichtel <nicolas.dichtel@...nd.com>
---
 net/netfilter/nfnetlink_queue.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/net/netfilter/nfnetlink_queue.c b/net/netfilter/nfnetlink_queue.c
index 48d7a59c6482..8c15978d9258 100644
--- a/net/netfilter/nfnetlink_queue.c
+++ b/net/netfilter/nfnetlink_queue.c
@@ -1019,11 +1019,13 @@ static const struct nla_policy nfqa_verdict_policy[NFQA_MAX+1] = {
 	[NFQA_CT]		= { .type = NLA_UNSPEC },
 	[NFQA_EXP]		= { .type = NLA_UNSPEC },
 	[NFQA_VLAN]		= { .type = NLA_NESTED },
+	[NFQA_PRIORITY]		= { .type = NLA_U32 },
 };
 
 static const struct nla_policy nfqa_verdict_batch_policy[NFQA_MAX+1] = {
 	[NFQA_VERDICT_HDR]	= { .len = sizeof(struct nfqnl_msg_verdict_hdr) },
 	[NFQA_MARK]		= { .type = NLA_U32 },
+	[NFQA_PRIORITY]		= { .type = NLA_U32 },
 };
 
 static struct nfqnl_instance *
@@ -1104,6 +1106,9 @@ static int nfqnl_recv_verdict_batch(struct sk_buff *skb,
 		if (nfqa[NFQA_MARK])
 			entry->skb->mark = ntohl(nla_get_be32(nfqa[NFQA_MARK]));
 
+		if (nfqa[NFQA_PRIORITY])
+			entry->skb->priority = ntohl(nla_get_be32(nfqa[NFQA_PRIORITY]));
+
 		nfqnl_reinject(entry, verdict);
 	}
 	return 0;
@@ -1230,6 +1235,9 @@ static int nfqnl_recv_verdict(struct sk_buff *skb, const struct nfnl_info *info,
 	if (nfqa[NFQA_MARK])
 		entry->skb->mark = ntohl(nla_get_be32(nfqa[NFQA_MARK]));
 
+	if (nfqa[NFQA_PRIORITY])
+		entry->skb->priority = ntohl(nla_get_be32(nfqa[NFQA_PRIORITY]));
+
 	nfqnl_reinject(entry, verdict);
 	return 0;
 }
-- 
2.33.0