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authorFlorian Fainelli <f.fainelli@gmail.com>2020-03-30 14:38:52 -0700
committerDavid S. Miller <davem@davemloft.net>2020-03-30 19:55:42 -0700
commitc2d639d118d27d6419f5848675ed5c112a86910f (patch)
treec2719cc58de38e235bbc3b06148973bb25c990ab /drivers
parent5ae8c0d51ace3bdbfb89c27e7661f081cc9287de (diff)
downloadlwn-c2d639d118d27d6419f5848675ed5c112a86910f.tar.gz
lwn-c2d639d118d27d6419f5848675ed5c112a86910f.zip
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/dsa/bcm_sf2_cfp.c64
1 files changed, 32 insertions, 32 deletions
diff --git a/drivers/net/dsa/bcm_sf2_cfp.c b/drivers/net/dsa/bcm_sf2_cfp.c
index 40ea88c304de..a6cc076f1a67 100644
--- 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]);