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Sun, 01 Nov 2026 23:11:46 -0800 (PST) Received: from d.home.yangfl.dn42 ([2a09:bac1:7680:28::4:396]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-8abab0c6c6esm1140566b3a.48.2026.11.01.23.11.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 01 Nov 2026 23:11:46 -0800 (PST) From: David Yang To: netdev@vger.kernel.org Cc: David Yang , Andrew Lunn , Vladimir Oltean , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , linux-kernel@vger.kernel.org Subject: [PATCH net 2/4] net: dsa: motorcomm: Fix IPv4/IPv6 address key dispatch in flower Date: Mon, 2 Nov 2026 15:11:14 +0800 Message-ID: <20261102071119.3435180-3-mmyangfl@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20261102071119.3435180-1-mmyangfl@gmail.com> References: <20261102071119.3435180-1-mmyangfl@gmail.com> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The IPv4 and IPv6 address keys share the same storage in struct flow_rule, so flow_rule_match_key() reports both as present whenever either one is. As a result, IPv4 address rule may generated bogus IPv6 address bins, and vice versa. Dispatch on control.addr_type like other DSA drivers do. Fixes: 8eb9e7520b17 ("net: dsa: yt921x: Add ACL support") Signed-off-by: David Yang --- drivers/net/dsa/motorcomm/tc.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/drivers/net/dsa/motorcomm/tc.c b/drivers/net/dsa/motorcomm/tc.c index 8835907366bf..5a4459507582 100644 --- a/drivers/net/dsa/motorcomm/tc.c +++ b/drivers/net/dsa/motorcomm/tc.c @@ -580,6 +580,7 @@ yt921x_acl_rule_ext_parse_flow_entries(struct yt921x_acl_rule_ext *ruleext, unsigned int udfs_cnt = 0; unsigned int size = 0; __be16 n_proto = 0; + u16 addr_type = 0; u8 ip_proto = 0; bool use_dport; bool use_sport; @@ -603,8 +604,15 @@ yt921x_acl_rule_ext_parse_flow_entries(struct yt921x_acl_rule_ext *ruleext, return -EOPNOTSUPP; } + if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CONTROL)) { + struct flow_match_control match; + + flow_rule_match_control(rule, &match); + addr_type = match.key->addr_type; + } + /* Entries */ - if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IPV4_ADDRS)) { + if (addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { struct flow_match_ipv4_addrs match; flow_rule_match_ipv4_addrs(rule, &match); @@ -630,7 +638,7 @@ yt921x_acl_rule_ext_parse_flow_entries(struct yt921x_acl_rule_ext *ruleext, } } - if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IPV6_ADDRS)) { + if (addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { struct flow_match_ipv6_addrs match; flow_rule_match_ipv6_addrs(rule, &match); -- 2.53.0