net: dsa: bcm_sf2: Move writing of CFP_DATA(5) into slicing functions

In preparation for matching VLANs, move the writing of CFP_DATA(5) into
the IPv4 and IPv6 slicing logic since they are part of the per-flow
configuration.

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 40ea88c304de3c75d17b9ea8e01127c5fe14682d..a6cc076f1a67d40b268a1204e448199e4e0af496 100644 (file)
--- a/drivers/net/dsa/bcm_sf2_cfp.c
+++ b/drivers/net/dsa/bcm_sf2_cfp.c
@@ -261,11 +261,20 @@ static int bcm_sf2_cfp_act_pol_set(struct bcm_sf2_priv *priv,
 static void bcm_sf2_cfp_slice_ipv4(struct bcm_sf2_priv *priv,
                                   struct flow_dissector_key_ipv4_addrs *addrs,
                                   struct flow_dissector_key_ports *ports,
-                                  unsigned int slice_num,
+                                  unsigned int slice_num, u8 num_udf,
                                   bool mask)
 {
        u32 reg, offset;
 
+       /* UDF_Valid[7:0]       [31:24]
+        * S-Tag                [23:8]
+        * C-Tag                [7:0]
+        */
+       if (mask)
+               core_writel(priv, udf_lower_bits(num_udf) << 24, CORE_CFP_MASK_PORT(5));
+       else
+               core_writel(priv, udf_lower_bits(num_udf) << 24, CORE_CFP_DATA_PORT(5));
+
        /* C-Tag                [31:24]
         * UDF_n_A8             [23:8]
         * UDF_n_A7             [7:0]
@@ -421,18 +430,11 @@ static int bcm_sf2_cfp_ipv4_rule_set(struct bcm_sf2_priv *priv, int port,
        core_writel(priv, layout->udfs[slice_num].mask_value |
                    udf_upper_bits(num_udf), CORE_CFP_MASK_PORT(6));
 
-       /* UDF_Valid[7:0]       [31:24]
-        * S-Tag                [23:8]
-        * C-Tag                [7:0]
-        */
-       core_writel(priv, udf_lower_bits(num_udf) << 24, CORE_CFP_DATA_PORT(5));
-
-       /* Mask all but valid UDFs */
-       core_writel(priv, udf_lower_bits(num_udf) << 24, CORE_CFP_MASK_PORT(5));
-
        /* Program the match and the mask */
-       bcm_sf2_cfp_slice_ipv4(priv, ipv4.key, ports.key, slice_num, false);
-       bcm_sf2_cfp_slice_ipv4(priv, ipv4.mask, ports.mask, SLICE_NUM_MASK, true);
+       bcm_sf2_cfp_slice_ipv4(priv, ipv4.key, ports.key, slice_num,
+                              num_udf, false);
+       bcm_sf2_cfp_slice_ipv4(priv, ipv4.mask, ports.mask, SLICE_NUM_MASK,
+                              num_udf, true);
 
        /* Insert into TCAM now */
        bcm_sf2_cfp_rule_addr_set(priv, rule_index);
@@ -468,11 +470,20 @@ out_err_flow_rule:
 
 static void bcm_sf2_cfp_slice_ipv6(struct bcm_sf2_priv *priv,
                                   const __be32 *ip6_addr, const __be16 port,
-                                  unsigned int slice_num,
+                                  unsigned int slice_num, u32 udf_bits,
                                   bool mask)
 {
        u32 reg, tmp, val, offset;
 
+       /* UDF_Valid[7:0]       [31:24]
+        * S-Tag                [23:8]
+        * C-Tag                [7:0]
+        */
+       if (mask)
+               core_writel(priv, udf_bits << 24, CORE_CFP_MASK_PORT(5));
+       else
+               core_writel(priv, udf_bits << 24, CORE_CFP_DATA_PORT(5));
+
        /* C-Tag                [31:24]
         * UDF_n_B8             [23:8]  (port)
         * UDF_n_B7 (upper)     [7:0]   (addr[15:8])
@@ -704,20 +715,13 @@ static int bcm_sf2_cfp_ipv6_rule_set(struct bcm_sf2_priv *priv, int port,
        reg = layout->udfs[slice_num].mask_value | udf_upper_bits(num_udf);
        core_writel(priv, reg, CORE_CFP_MASK_PORT(6));
 
-       /* UDF_Valid[7:0]       [31:24]
-        * S-Tag                [23:8]
-        * C-Tag                [7:0]
-        */
-       core_writel(priv, udf_lower_bits(num_udf) << 24, CORE_CFP_DATA_PORT(5));
-
-       /* Mask all but valid UDFs */
-       core_writel(priv, udf_lower_bits(num_udf) << 24, CORE_CFP_MASK_PORT(5));
-
        /* Slice the IPv6 source address and port */
        bcm_sf2_cfp_slice_ipv6(priv, ipv6.key->src.in6_u.u6_addr32,
-                              ports.key->src, slice_num, false);
+                              ports.key->src, slice_num,
+                              udf_lower_bits(num_udf), false);
        bcm_sf2_cfp_slice_ipv6(priv, ipv6.mask->src.in6_u.u6_addr32,
-                              ports.mask->src, SLICE_NUM_MASK, true);
+                              ports.mask->src, SLICE_NUM_MASK,
+                              udf_lower_bits(num_udf), true);
 
        /* Insert into TCAM now because we need to insert a second rule */
        bcm_sf2_cfp_rule_addr_set(priv, rule_index[0]);
@@ -768,16 +772,12 @@ static int bcm_sf2_cfp_ipv6_rule_set(struct bcm_sf2_priv *priv, int port,
                udf_lower_bits(num_udf) << 8;
        core_writel(priv, reg, CORE_CFP_MASK_PORT(6));
 
-       /* Don't care */
-       core_writel(priv, 0, CORE_CFP_DATA_PORT(5));
-
-       /* Mask all */
-       core_writel(priv, 0, CORE_CFP_MASK_PORT(5));
-
        bcm_sf2_cfp_slice_ipv6(priv, ipv6.key->dst.in6_u.u6_addr32,
-                              ports.key->dst, slice_num, false);
+                              ports.key->dst, slice_num,
+                              0, false);
        bcm_sf2_cfp_slice_ipv6(priv, ipv6.mask->dst.in6_u.u6_addr32,
-                              ports.key->dst, SLICE_NUM_MASK, true);
+                              ports.key->dst, SLICE_NUM_MASK,
+                              0, true);
 
        /* Insert into TCAM now */
        bcm_sf2_cfp_rule_addr_set(priv, rule_index[1]);