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[93.42.71.246]) by smtp.googlemail.com with ESMTPSA id p13sm2265956eds.38.2021.12.10.18.02.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 10 Dec 2021 18:02:22 -0800 (PST) From: Ansuel Smith To: Andrew Lunn , Vivien Didelot , Florian Fainelli , Vladimir Oltean , "David S. Miller" , Jakub Kicinski , Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Martin KaFai Lau , Song Liu , Yonghong Song , John Fastabend , KP Singh , linux-kernel@vger.kernel.org, netdev@vger.kernel.org, bpf@vger.kernel.org Cc: Ansuel Smith Subject: [net-next RFC PATCH v3 05/15] net: dsa: tag_qca: convert to FIELD macro Date: Sat, 11 Dec 2021 03:01:37 +0100 Message-Id: <20211211020155.10114-6-ansuelsmth@gmail.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20211211020155.10114-1-ansuelsmth@gmail.com> References: <20211211020155.10114-1-ansuelsmth@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Convert driver to FIELD macro to drop redundant define. Signed-off-by: Ansuel Smith --- net/dsa/tag_qca.c | 34 +++++++++++++++------------------- 1 file changed, 15 insertions(+), 19 deletions(-) diff --git a/net/dsa/tag_qca.c b/net/dsa/tag_qca.c index 1ea9401b8ace..55fa6b96b4eb 100644 --- a/net/dsa/tag_qca.c +++ b/net/dsa/tag_qca.c @@ -4,29 +4,24 @@ */ #include +#include #include "dsa_priv.h" #define QCA_HDR_LEN 2 #define QCA_HDR_VERSION 0x2 -#define QCA_HDR_RECV_VERSION_MASK GENMASK(15, 14) -#define QCA_HDR_RECV_VERSION_S 14 -#define QCA_HDR_RECV_PRIORITY_MASK GENMASK(13, 11) -#define QCA_HDR_RECV_PRIORITY_S 11 -#define QCA_HDR_RECV_TYPE_MASK GENMASK(10, 6) -#define QCA_HDR_RECV_TYPE_S 6 +#define QCA_HDR_RECV_VERSION GENMASK(15, 14) +#define QCA_HDR_RECV_PRIORITY GENMASK(13, 11) +#define QCA_HDR_RECV_TYPE GENMASK(10, 6) #define QCA_HDR_RECV_FRAME_IS_TAGGED BIT(3) -#define QCA_HDR_RECV_SOURCE_PORT_MASK GENMASK(2, 0) - -#define QCA_HDR_XMIT_VERSION_MASK GENMASK(15, 14) -#define QCA_HDR_XMIT_VERSION_S 14 -#define QCA_HDR_XMIT_PRIORITY_MASK GENMASK(13, 11) -#define QCA_HDR_XMIT_PRIORITY_S 11 -#define QCA_HDR_XMIT_CONTROL_MASK GENMASK(10, 8) -#define QCA_HDR_XMIT_CONTROL_S 8 +#define QCA_HDR_RECV_SOURCE_PORT GENMASK(2, 0) + +#define QCA_HDR_XMIT_VERSION GENMASK(15, 14) +#define QCA_HDR_XMIT_PRIORITY GENMASK(13, 11) +#define QCA_HDR_XMIT_CONTROL GENMASK(10, 8) #define QCA_HDR_XMIT_FROM_CPU BIT(7) -#define QCA_HDR_XMIT_DP_BIT_MASK GENMASK(6, 0) +#define QCA_HDR_XMIT_DP_BIT GENMASK(6, 0) static struct sk_buff *qca_tag_xmit(struct sk_buff *skb, struct net_device *dev) { @@ -40,8 +35,9 @@ static struct sk_buff *qca_tag_xmit(struct sk_buff *skb, struct net_device *dev) phdr = dsa_etype_header_pos_tx(skb); /* Set the version field, and set destination port information */ - hdr = QCA_HDR_VERSION << QCA_HDR_XMIT_VERSION_S | - QCA_HDR_XMIT_FROM_CPU | BIT(dp->index); + hdr = FIELD_PREP(QCA_HDR_XMIT_VERSION, QCA_HDR_VERSION); + hdr |= QCA_HDR_XMIT_FROM_CPU; + hdr |= FIELD_PREP(QCA_HDR_XMIT_DP_BIT, BIT(dp->index)); *phdr = htons(hdr); @@ -62,7 +58,7 @@ static struct sk_buff *qca_tag_rcv(struct sk_buff *skb, struct net_device *dev) hdr = ntohs(*phdr); /* Make sure the version is correct */ - ver = (hdr & QCA_HDR_RECV_VERSION_MASK) >> QCA_HDR_RECV_VERSION_S; + ver = FIELD_GET(QCA_HDR_RECV_VERSION, hdr); if (unlikely(ver != QCA_HDR_VERSION)) return NULL; @@ -71,7 +67,7 @@ static struct sk_buff *qca_tag_rcv(struct sk_buff *skb, struct net_device *dev) dsa_strip_etype_header(skb, QCA_HDR_LEN); /* Get source port information */ - port = (hdr & QCA_HDR_RECV_SOURCE_PORT_MASK); + port = FIELD_GET(QCA_HDR_RECV_SOURCE_PORT, hdr); skb->dev = dsa_master_find_slave(dev, 0, port); if (!skb->dev) -- 2.32.0