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net: dsa: mv88e6xxx: add port duplex setter

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Similarly to port's link, add setter to force port's half duplex, full
duplex or let normal duplex detection occurs.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vivien Didelot 2016-11-04 03:23:33 +01:00 committed by David S. Miller
parent 08ef7f1022
commit 7f1ae07b51
4 changed files with 64 additions and 0 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

17
drivers/net/dsa/mv88e6xxx/chip.c
View file

@ -3161,6 +3161,7 @@ static const struct mv88e6xxx_ops mv88e6085_ops = {
.phy_read = mv88e6xxx_phy_ppu_read,
.phy_write = mv88e6xxx_phy_ppu_write,
.port_set_link = mv88e6xxx_port_set_link,
.port_set_duplex = mv88e6xxx_port_set_duplex,
};
static const struct mv88e6xxx_ops mv88e6095_ops = {
@ -3168,6 +3169,7 @@ static const struct mv88e6xxx_ops mv88e6095_ops = {
.phy_read = mv88e6xxx_phy_ppu_read,
.phy_write = mv88e6xxx_phy_ppu_write,
.port_set_link = mv88e6xxx_port_set_link,
.port_set_duplex = mv88e6xxx_port_set_duplex,
};
static const struct mv88e6xxx_ops mv88e6123_ops = {
@ -3175,6 +3177,7 @@ static const struct mv88e6xxx_ops mv88e6123_ops = {
.phy_read = mv88e6xxx_read,
.phy_write = mv88e6xxx_write,
.port_set_link = mv88e6xxx_port_set_link,
.port_set_duplex = mv88e6xxx_port_set_duplex,
};
static const struct mv88e6xxx_ops mv88e6131_ops = {
@ -3182,6 +3185,7 @@ static const struct mv88e6xxx_ops mv88e6131_ops = {
.phy_read = mv88e6xxx_phy_ppu_read,
.phy_write = mv88e6xxx_phy_ppu_write,
.port_set_link = mv88e6xxx_port_set_link,
.port_set_duplex = mv88e6xxx_port_set_duplex,
};
static const struct mv88e6xxx_ops mv88e6161_ops = {
@ -3189,6 +3193,7 @@ static const struct mv88e6xxx_ops mv88e6161_ops = {
.phy_read = mv88e6xxx_read,
.phy_write = mv88e6xxx_write,
.port_set_link = mv88e6xxx_port_set_link,
.port_set_duplex = mv88e6xxx_port_set_duplex,
};
static const struct mv88e6xxx_ops mv88e6165_ops = {
@ -3196,6 +3201,7 @@ static const struct mv88e6xxx_ops mv88e6165_ops = {
.phy_read = mv88e6xxx_read,
.phy_write = mv88e6xxx_write,
.port_set_link = mv88e6xxx_port_set_link,
.port_set_duplex = mv88e6xxx_port_set_duplex,
};
static const struct mv88e6xxx_ops mv88e6171_ops = {
@ -3203,6 +3209,7 @@ static const struct mv88e6xxx_ops mv88e6171_ops = {
.phy_read = mv88e6xxx_g2_smi_phy_read,
.phy_write = mv88e6xxx_g2_smi_phy_write,
.port_set_link = mv88e6xxx_port_set_link,
.port_set_duplex = mv88e6xxx_port_set_duplex,
};
static const struct mv88e6xxx_ops mv88e6172_ops = {
@ -3212,6 +3219,7 @@ static const struct mv88e6xxx_ops mv88e6172_ops = {
.phy_read = mv88e6xxx_g2_smi_phy_read,
.phy_write = mv88e6xxx_g2_smi_phy_write,
.port_set_link = mv88e6xxx_port_set_link,
.port_set_duplex = mv88e6xxx_port_set_duplex,
};
static const struct mv88e6xxx_ops mv88e6175_ops = {
@ -3219,6 +3227,7 @@ static const struct mv88e6xxx_ops mv88e6175_ops = {
.phy_read = mv88e6xxx_g2_smi_phy_read,
.phy_write = mv88e6xxx_g2_smi_phy_write,
.port_set_link = mv88e6xxx_port_set_link,
.port_set_duplex = mv88e6xxx_port_set_duplex,
};
static const struct mv88e6xxx_ops mv88e6176_ops = {
@ -3228,6 +3237,7 @@ static const struct mv88e6xxx_ops mv88e6176_ops = {
.phy_read = mv88e6xxx_g2_smi_phy_read,
.phy_write = mv88e6xxx_g2_smi_phy_write,
.port_set_link = mv88e6xxx_port_set_link,
.port_set_duplex = mv88e6xxx_port_set_duplex,
};
static const struct mv88e6xxx_ops mv88e6185_ops = {
@ -3235,6 +3245,7 @@ static const struct mv88e6xxx_ops mv88e6185_ops = {
.phy_read = mv88e6xxx_phy_ppu_read,
.phy_write = mv88e6xxx_phy_ppu_write,
.port_set_link = mv88e6xxx_port_set_link,
.port_set_duplex = mv88e6xxx_port_set_duplex,
};
static const struct mv88e6xxx_ops mv88e6240_ops = {
@ -3244,6 +3255,7 @@ static const struct mv88e6xxx_ops mv88e6240_ops = {
.phy_read = mv88e6xxx_g2_smi_phy_read,
.phy_write = mv88e6xxx_g2_smi_phy_write,
.port_set_link = mv88e6xxx_port_set_link,
.port_set_duplex = mv88e6xxx_port_set_duplex,
};
static const struct mv88e6xxx_ops mv88e6320_ops = {
@ -3253,6 +3265,7 @@ static const struct mv88e6xxx_ops mv88e6320_ops = {
.phy_read = mv88e6xxx_g2_smi_phy_read,
.phy_write = mv88e6xxx_g2_smi_phy_write,
.port_set_link = mv88e6xxx_port_set_link,
.port_set_duplex = mv88e6xxx_port_set_duplex,
};
static const struct mv88e6xxx_ops mv88e6321_ops = {
@ -3262,6 +3275,7 @@ static const struct mv88e6xxx_ops mv88e6321_ops = {
.phy_read = mv88e6xxx_g2_smi_phy_read,
.phy_write = mv88e6xxx_g2_smi_phy_write,
.port_set_link = mv88e6xxx_port_set_link,
.port_set_duplex = mv88e6xxx_port_set_duplex,
};
static const struct mv88e6xxx_ops mv88e6350_ops = {
@ -3269,6 +3283,7 @@ static const struct mv88e6xxx_ops mv88e6350_ops = {
.phy_read = mv88e6xxx_g2_smi_phy_read,
.phy_write = mv88e6xxx_g2_smi_phy_write,
.port_set_link = mv88e6xxx_port_set_link,
.port_set_duplex = mv88e6xxx_port_set_duplex,
};
static const struct mv88e6xxx_ops mv88e6351_ops = {
@ -3276,6 +3291,7 @@ static const struct mv88e6xxx_ops mv88e6351_ops = {
.phy_read = mv88e6xxx_g2_smi_phy_read,
.phy_write = mv88e6xxx_g2_smi_phy_write,
.port_set_link = mv88e6xxx_port_set_link,
.port_set_duplex = mv88e6xxx_port_set_duplex,
};
static const struct mv88e6xxx_ops mv88e6352_ops = {
@ -3285,6 +3301,7 @@ static const struct mv88e6xxx_ops mv88e6352_ops = {
.phy_read = mv88e6xxx_g2_smi_phy_read,
.phy_write = mv88e6xxx_g2_smi_phy_write,
.port_set_link = mv88e6xxx_port_set_link,
.port_set_duplex = mv88e6xxx_port_set_duplex,
};
static const struct mv88e6xxx_info mv88e6xxx_table[] = {

9
drivers/net/dsa/mv88e6xxx/mv88e6xxx.h
View file

@ -737,6 +737,15 @@ struct mv88e6xxx_ops {
* or LINK_UNFORCED for normal link detection.
*/
int (*port_set_link)(struct mv88e6xxx_chip *chip, int port, int link);
#define DUPLEX_UNFORCED -2
/* Port's MAC duplex mode
*
* Use DUPLEX_HALF or DUPLEX_FULL to force half or full duplex,
* or DUPLEX_UNFORCED for normal duplex detection.
*/
int (*port_set_duplex)(struct mv88e6xxx_chip *chip, int port, int dup);
};
enum stat_type {

36
drivers/net/dsa/mv88e6xxx/port.c
View file

@ -71,6 +71,42 @@ int mv88e6xxx_port_set_link(struct mv88e6xxx_chip *chip, int port, int link)
return 0;
}
int mv88e6xxx_port_set_duplex(struct mv88e6xxx_chip *chip, int port, int dup)
{
u16 reg;
int err;
err = mv88e6xxx_port_read(chip, port, PORT_PCS_CTRL, &reg);
if (err)
return err;
reg &= ~(PORT_PCS_CTRL_FORCE_DUPLEX | PORT_PCS_CTRL_DUPLEX_FULL);
switch (dup) {
case DUPLEX_HALF:
reg |= PORT_PCS_CTRL_FORCE_DUPLEX;
break;
case DUPLEX_FULL:
reg |= PORT_PCS_CTRL_FORCE_DUPLEX | PORT_PCS_CTRL_DUPLEX_FULL;
break;
case DUPLEX_UNFORCED:
/* normal duplex detection */
break;
default:
return -EINVAL;
}
err = mv88e6xxx_port_write(chip, port, PORT_PCS_CTRL, reg);
if (err)
return err;
netdev_dbg(chip->ds->ports[port].netdev, "%s %s duplex\n",
reg & PORT_PCS_CTRL_FORCE_DUPLEX ? "Force" : "Unforce",
reg & PORT_PCS_CTRL_DUPLEX_FULL ? "full" : "half");
return 0;
}
/* Offset 0x04: Port Control Register */
static const char * const mv88e6xxx_port_state_names[] = {

2
drivers/net/dsa/mv88e6xxx/port.h
View file

@ -23,6 +23,8 @@ int mv88e6xxx_port_write(struct mv88e6xxx_chip *chip, int port, int reg,
int mv88e6xxx_port_set_link(struct mv88e6xxx_chip *chip, int port, int link);
int mv88e6xxx_port_set_duplex(struct mv88e6xxx_chip *chip, int port, int dup);
int mv88e6xxx_port_set_state(struct mv88e6xxx_chip *chip, int port, u8 state);
int mv88e6xxx_port_set_vlan_map(struct mv88e6xxx_chip *chip, int port, u16 map);