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author | Florian Fainelli <f.fainelli@gmail.com> | 2020-03-30 14:38:52 -0700 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2020-03-30 19:55:42 -0700 |
commit | c2d639d118d27d6419f5848675ed5c112a86910f (patch) | |
tree | c2719cc58de38e235bbc3b06148973bb25c990ab /drivers | |
parent | 5ae8c0d51ace3bdbfb89c27e7661f081cc9287de (diff) | |
download | lwn-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.c | 64 |
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]); |