Commit c2d639d1 authored by Florian Fainelli's avatar Florian Fainelli Committed by David S. Miller
Browse files

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: default avatarFlorian Fainelli <f.fainelli@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 5ae8c0d5

drivers/net/dsa/bcm_sf2_cfp.c

+32 −32
Original line number Diff line number Diff line
@@ -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]);

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