net: dsa: bcm_sf2: Use existing shift/masks

Instead of open coding the shift for the IP protocol, IP fragment bit
etc. define and/or use existing constants to that end.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/dsa/bcm_sf2_cfp.c b/drivers/net/dsa/bcm_sf2_cfp.c
index 94649e1..cef4b3d 100644 (file)
--- a/drivers/net/dsa/bcm_sf2_cfp.c
+++ b/drivers/net/dsa/bcm_sf2_cfp.c
@@ -189,7 +189,8 @@ static int bcm_sf2_cfp_rule_set(struct dsa_switch *ds, int port,
         * Reserved             [1]
         * UDF_Valid[8]         [0]
         */
-       core_writel(priv, v4_spec->tos << 16 | ip_proto << 8 | ip_frag << 7,
+       core_writel(priv, v4_spec->tos << IPTOS_SHIFT |
+                   ip_proto << IPPROTO_SHIFT | ip_frag << IP_FRAG_SHIFT,
                    CORE_CFP_DATA_PORT(6));
 
        /* UDF_Valid[7:0]       [31:24]
@@ -425,8 +426,8 @@ static int bcm_sf2_cfp_rule_get(struct bcm_sf2_priv *priv, int port,
                return -EINVAL;
        }
 
-       v4_spec->tos = (reg >> 16) & IPPROTO_MASK;
-       nfc->fs.m_ext.data[0] = cpu_to_be32((reg >> 7) & 1);
+       v4_spec->tos = (reg >> IPTOS_SHIFT) & IPTOS_MASK;
+       nfc->fs.m_ext.data[0] = cpu_to_be32((reg >> IP_FRAG_SHIFT) & 1);
 
        reg = core_readl(priv, CORE_CFP_DATA_PORT(3));
        /* src port [15:8] */

diff --git a/drivers/net/dsa/bcm_sf2_regs.h b/drivers/net/dsa/bcm_sf2_regs.h
index d1596df..61bc972 100644 (file)
--- a/drivers/net/dsa/bcm_sf2_regs.h
+++ b/drivers/net/dsa/bcm_sf2_regs.h
@@ -302,9 +302,12 @@ enum bcm_sf2_reg_offs {
 /* UDF_DATA7 */
 #define L3_FRAMING_SHIFT               24
 #define L3_FRAMING_MASK                        (0x3 << L3_FRAMING_SHIFT)
+#define IPTOS_SHIFT                    16
+#define IPTOS_MASK                     0xff
 #define IPPROTO_SHIFT                  8
 #define IPPROTO_MASK                   (0xff << IPPROTO_SHIFT)
-#define IP_FRAG                                (1 << 7)
+#define IP_FRAG_SHIFT                  7
+#define IP_FRAG                                (1 << IP_FRAG_SHIFT)
 
 /* UDF_DATA0 */
 #define  SLICE_VALID                   3