linux-kernel - [PATCH net-next v2 11/14] net: qede: use extack in qede_parse_flow

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Date: Wed,  8 May 2024 14:33:59 +0000
From: Asbjørn Sloth Tønnesen <ast@...erby.net>
To: netdev@...r.kernel.org
Cc: Asbjørn Sloth Tønnesen <ast@...erby.net>,
	linux-kernel@...r.kernel.org,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Manish Chopra <manishc@...vell.com>,
	Przemek Kitszel <przemyslaw.kitszel@...el.com>
Subject: [PATCH net-next v2 11/14] net: qede: use extack in qede_parse_flow_attr()

Convert qede_parse_flow_attr() to take extack,
and drop the edev argument.

Convert DP_NOTICE calls to use NL_SET_ERR_MSG_* instead.

Pass extack in calls to qede_flow_parse_{tcp,udp}_v{4,6}().

In calls to qede_parse_flow_attr(), if extack is
unavailable, then use NULL for now, until a
subsequent patch makes extack available.

Only compile tested.

Signed-off-by: Asbjørn Sloth Tønnesen <ast@...erby.net>
---
 .../net/ethernet/qlogic/qede/qede_filter.c    | 26 ++++++++++---------
 1 file changed, 14 insertions(+), 12 deletions(-)

diff --git a/drivers/net/ethernet/qlogic/qede/qede_filter.c b/drivers/net/ethernet/qlogic/qede/qede_filter.c
index 09ffcb86924b..8c1c15b73125 100644
--- a/drivers/net/ethernet/qlogic/qede/qede_filter.c
+++ b/drivers/net/ethernet/qlogic/qede/qede_filter.c
@@ -1826,8 +1826,9 @@ qede_flow_parse_udp_v4(struct flow_rule *rule, struct qede_arfs_tuple *tuple,
 }
 
 static int
-qede_parse_flow_attr(struct qede_dev *edev, __be16 proto,
-		     struct flow_rule *rule, struct qede_arfs_tuple *tuple)
+qede_parse_flow_attr(__be16 proto, struct flow_rule *rule,
+		     struct qede_arfs_tuple *tuple,
+		     struct netlink_ext_ack *extack)
 {
 	struct flow_dissector *dissector = rule->match.dissector;
 	int rc = -EINVAL;
@@ -1841,14 +1842,15 @@ qede_parse_flow_attr(struct qede_dev *edev, __be16 proto,
 	      BIT_ULL(FLOW_DISSECTOR_KEY_BASIC) |
 	      BIT_ULL(FLOW_DISSECTOR_KEY_IPV6_ADDRS) |
 	      BIT_ULL(FLOW_DISSECTOR_KEY_PORTS))) {
-		DP_NOTICE(edev, "Unsupported key set:0x%llx\n",
-			  dissector->used_keys);
+		NL_SET_ERR_MSG_FMT_MOD(extack, "Unsupported key used: 0x%llx",
+				       dissector->used_keys);
 		return -EOPNOTSUPP;
 	}
 
 	if (proto != htons(ETH_P_IP) &&
 	    proto != htons(ETH_P_IPV6)) {
-		DP_NOTICE(edev, "Unsupported proto=0x%x\n", proto);
+		NL_SET_ERR_MSG_FMT_MOD(extack, "Unsupported proto=0x%x",
+				       proto);
 		return -EPROTONOSUPPORT;
 	}
 
@@ -1860,15 +1862,15 @@ qede_parse_flow_attr(struct qede_dev *edev, __be16 proto,
 	}
 
 	if (ip_proto == IPPROTO_TCP && proto == htons(ETH_P_IP))
-		rc = qede_flow_parse_tcp_v4(rule, tuple, NULL);
+		rc = qede_flow_parse_tcp_v4(rule, tuple, extack);
 	else if (ip_proto == IPPROTO_TCP && proto == htons(ETH_P_IPV6))
-		rc = qede_flow_parse_tcp_v6(rule, tuple, NULL);
+		rc = qede_flow_parse_tcp_v6(rule, tuple, extack);
 	else if (ip_proto == IPPROTO_UDP && proto == htons(ETH_P_IP))
-		rc = qede_flow_parse_udp_v4(rule, tuple, NULL);
+		rc = qede_flow_parse_udp_v4(rule, tuple, extack);
 	else if (ip_proto == IPPROTO_UDP && proto == htons(ETH_P_IPV6))
-		rc = qede_flow_parse_udp_v6(rule, tuple, NULL);
+		rc = qede_flow_parse_udp_v6(rule, tuple, extack);
 	else
-		DP_NOTICE(edev, "Invalid protocol request\n");
+		NL_SET_ERR_MSG_MOD(extack, "Invalid protocol request");
 
 	return rc;
 }
@@ -1889,7 +1891,7 @@ int qede_add_tc_flower_fltr(struct qede_dev *edev, __be16 proto,
 	}
 
 	/* parse flower attribute and prepare filter */
-	rc = qede_parse_flow_attr(edev, proto, f->rule, &t);
+	rc = qede_parse_flow_attr(proto, f->rule, &t, extack);
 	if (rc)
 		goto unlock;
 
@@ -2015,7 +2017,7 @@ static int qede_flow_spec_to_rule(struct qede_dev *edev,
 	if (IS_ERR(flow))
 		return PTR_ERR(flow);
 
-	err = qede_parse_flow_attr(edev, proto, flow->rule, t);
+	err = qede_parse_flow_attr(proto, flow->rule, t, NULL);
 	if (err)
 		goto err_out;
 
-- 
2.43.0