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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>
This commit is contained in:
Florian Fainelli 2017-10-20 14:39:43 -07:00 committed by David S. Miller
parent 33ad61d0f7
commit 39cdd34989
2 changed files with 8 additions and 4 deletions
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7
drivers/net/dsa/bcm_sf2_cfp.c
View File

@ -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] */

5
drivers/net/dsa/bcm_sf2_regs.h
View File

@ -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