/*
* Initialise other global values, for the AR8316.
*/
static int
ar8316_hw_global_setup(struct arswitch_softc *sc)
{
arswitch_writereg(sc->sc_dev, 0x38, AR8X16_MAGIC);
/* Enable CPU port and disable mirror port. */
arswitch_writereg(sc->sc_dev, AR8X16_REG_CPU_PORT,
AR8X16_CPU_PORT_EN | AR8X16_CPU_MIRROR_DIS);
/* Setup TAG priority mapping. */
arswitch_writereg(sc->sc_dev, AR8X16_REG_TAG_PRIO, 0xfa50);
/* Enable ARP frame acknowledge. */
arswitch_modifyreg(sc->sc_dev, AR8X16_REG_AT_CTRL, 0,
AR8X16_AT_CTRL_ARP_EN);
/*
* Flood address table misses to all ports, and enable forwarding of
* broadcasts to the cpu port.
*/
arswitch_writereg(sc->sc_dev, AR8X16_REG_FLOOD_MASK,
AR8X16_FLOOD_MASK_BCAST_TO_CPU | 0x003f003f);
/* Enable jumbo frames. */
arswitch_modifyreg(sc->sc_dev, AR8X16_REG_GLOBAL_CTRL,
AR8316_GLOBAL_CTRL_MTU_MASK, 9018 + 8 + 2);
/* Setup service TAG. */
arswitch_modifyreg(sc->sc_dev, AR8X16_REG_SERVICE_TAG,
AR8X16_SERVICE_TAG_MASK, 0);
return (0);
}
/*
* Initialise other global values for the AR7240.
*/
static int
ar7240_hw_global_setup(struct arswitch_softc *sc)
{
/* Enable CPU port; disable mirror port */
arswitch_writereg(sc->sc_dev, AR8X16_REG_CPU_PORT,
AR8X16_CPU_PORT_EN | AR8X16_CPU_MIRROR_DIS);
/* Setup TAG priority mapping */
arswitch_writereg(sc->sc_dev, AR8X16_REG_TAG_PRIO, 0xfa50);
/* Enable broadcast frames transmitted to the CPU */
arswitch_writereg(sc->sc_dev, AR8X16_REG_FLOOD_MASK,
AR8X16_FLOOD_MASK_BCAST_TO_CPU | 0x003f003f);
/* Setup MTU */
arswitch_modifyreg(sc->sc_dev, AR8X16_REG_GLOBAL_CTRL,
AR7240_GLOBAL_CTRL_MTU_MASK,
SM(1536, AR7240_GLOBAL_CTRL_MTU_MASK));
/* Service Tag */
arswitch_modifyreg(sc->sc_dev, AR8X16_REG_SERVICE_TAG,
AR8X16_SERVICE_TAG_MASK, 0);
return (0);
}
/*
* Initialise other global values, for the AR8327.
*/
static int
ar8327_hw_global_setup(struct arswitch_softc *sc)
{
uint32_t t;
/* enable CPU port and disable mirror port */
t = AR8327_FWD_CTRL0_CPU_PORT_EN |
AR8327_FWD_CTRL0_MIRROR_PORT;
arswitch_writereg(sc->sc_dev, AR8327_REG_FWD_CTRL0, t);
/* forward multicast and broadcast frames to CPU */
t = (AR8327_PORTS_ALL << AR8327_FWD_CTRL1_UC_FLOOD_S) |
(AR8327_PORTS_ALL << AR8327_FWD_CTRL1_MC_FLOOD_S) |
(AR8327_PORTS_ALL << AR8327_FWD_CTRL1_BC_FLOOD_S);
arswitch_writereg(sc->sc_dev, AR8327_REG_FWD_CTRL1, t);
/* enable jumbo frames */
/* XXX need to macro-shift the value! */
arswitch_modifyreg(sc->sc_dev, AR8327_REG_MAX_FRAME_SIZE,
AR8327_MAX_FRAME_SIZE_MTU, 9018 + 8 + 2);
/* Enable MIB counters */
arswitch_modifyreg(sc->sc_dev, AR8327_REG_MODULE_EN,
AR8327_MODULE_EN_MIB, AR8327_MODULE_EN_MIB);
return (0);
}
static void
ar8327_reset_vlans(struct arswitch_softc *sc)
{
int i;
uint32_t mode, t;
/*
* Disable mirroring.
*/
arswitch_modifyreg(sc->sc_dev, AR8327_REG_FWD_CTRL0,
AR8327_FWD_CTRL0_MIRROR_PORT,
(0xF << AR8327_FWD_CTRL0_MIRROR_PORT_S));
/*
* For now, let's default to one portgroup, just so traffic
* flows. All ports can see other ports.
*/
for (i = 0; i < AR8327_NUM_PORTS; i++) {
/* set pvid = i */
t = i << AR8327_PORT_VLAN0_DEF_SVID_S;
t |= i << AR8327_PORT_VLAN0_DEF_CVID_S;
arswitch_writereg(sc->sc_dev, AR8327_REG_PORT_VLAN0(i), t);
/* set egress == out_keep */
mode = AR8327_PORT_VLAN1_OUT_MODE_UNTOUCH;
t = AR8327_PORT_VLAN1_PORT_VLAN_PROP;
t |= mode << AR8327_PORT_VLAN1_OUT_MODE_S;
arswitch_writereg(sc->sc_dev, AR8327_REG_PORT_VLAN1(i), t);
/* Set ingress = out_keep; members = 0x3f for all ports */
t = (0x3f & ~(1 << i)); /* all ports besides us */
t |= AR8327_PORT_LOOKUP_LEARN;
/* in_port_only, forward */
t |= AR8X16_PORT_VLAN_MODE_PORT_ONLY << AR8327_PORT_LOOKUP_IN_MODE_S;
t |= AR8X16_PORT_CTRL_STATE_FORWARD << AR8327_PORT_LOOKUP_STATE_S;
arswitch_writereg(sc->sc_dev, AR8327_REG_PORT_LOOKUP(i), t);
/*
* Disable port mirroring entirely.
*/
arswitch_modifyreg(sc->sc_dev,
AR8327_REG_PORT_LOOKUP(i),
AR8327_PORT_LOOKUP_ING_MIRROR_EN,
0);
arswitch_modifyreg(sc->sc_dev,
AR8327_REG_PORT_HOL_CTRL1(i),
AR8327_PORT_HOL_CTRL1_EG_MIRROR_EN,
0);
}
}
static void
ar8327_port_disable_mirror(struct arswitch_softc *sc, int port)
{
arswitch_modifyreg(sc->sc_dev,
AR8327_REG_PORT_LOOKUP(port),
AR8327_PORT_LOOKUP_ING_MIRROR_EN,
0);
arswitch_modifyreg(sc->sc_dev,
AR8327_REG_PORT_HOL_CTRL1(port),
AR8327_PORT_HOL_CTRL1_EG_MIRROR_EN,
0);
}
/*
* Initialise other global values, for the AR8327.
*/
static int
ar8327_hw_global_setup(struct arswitch_softc *sc)
{
uint32_t t;
/* enable CPU port and disable mirror port */
t = AR8327_FWD_CTRL0_CPU_PORT_EN |
AR8327_FWD_CTRL0_MIRROR_PORT;
arswitch_writereg(sc->sc_dev, AR8327_REG_FWD_CTRL0, t);
/* forward multicast and broadcast frames to CPU */
t = (AR8327_PORTS_ALL << AR8327_FWD_CTRL1_UC_FLOOD_S) |
(AR8327_PORTS_ALL << AR8327_FWD_CTRL1_MC_FLOOD_S) |
(AR8327_PORTS_ALL << AR8327_FWD_CTRL1_BC_FLOOD_S);
arswitch_writereg(sc->sc_dev, AR8327_REG_FWD_CTRL1, t);
/* enable jumbo frames */
/* XXX need to macro-shift the value! */
arswitch_modifyreg(sc->sc_dev, AR8327_REG_MAX_FRAME_SIZE,
AR8327_MAX_FRAME_SIZE_MTU, 9018 + 8 + 2);
/* Enable MIB counters */
arswitch_modifyreg(sc->sc_dev, AR8327_REG_MODULE_EN,
AR8327_MODULE_EN_MIB, AR8327_MODULE_EN_MIB);
/* Disable EEE on all ports due to stability issues */
t = arswitch_readreg(sc->sc_dev, AR8327_REG_EEE_CTRL);
t |= AR8327_EEE_CTRL_DISABLE_PHY(0) |
AR8327_EEE_CTRL_DISABLE_PHY(1) |
AR8327_EEE_CTRL_DISABLE_PHY(2) |
AR8327_EEE_CTRL_DISABLE_PHY(3) |
AR8327_EEE_CTRL_DISABLE_PHY(4);
arswitch_writereg(sc->sc_dev, AR8327_REG_EEE_CTRL, t);
/* Set the right number of ports */
/* GMAC0 (CPU), GMAC1..5 (PHYs), GMAC6 (CPU) */
sc->info.es_nports = 7;
return (0);
}
static int
ar8327_vlan_set_port(struct arswitch_softc *sc, uint32_t ports, int vid)
{
int err, port;
ARSWITCH_LOCK_ASSERT(sc, MA_OWNED);
/* For port based vlans the vlanid is the same as the port index. */
port = vid & ETHERSWITCH_VID_MASK;
err = arswitch_modifyreg(sc->sc_dev, AR8327_REG_PORT_LOOKUP(port),
0x7f, /* vlan membership mask */
(ports & 0x7f));
if (err)
return (err);
return (0);
}
/*
* Initialise other global values, for the AR8316.
*/
static int
ar8316_hw_global_setup(struct arswitch_softc *sc)
{
arswitch_writereg(sc->sc_dev, 0x38, 0xc000050e);
/*
* Flood address table misses to all ports, and enable forwarding of
* broadcasts to the cpu port.
*/
arswitch_writereg(sc->sc_dev, AR8X16_REG_FLOOD_MASK,
AR8X16_FLOOD_MASK_BCAST_TO_CPU | 0x003f003f);
arswitch_modifyreg(sc->sc_dev, AR8X16_REG_GLOBAL_CTRL,
AR8316_GLOBAL_CTRL_MTU_MASK, 9018 + 8 + 2);
return (0);
}
static void
ar8327_reset_vlans(struct arswitch_softc *sc)
{
int i;
uint32_t t;
int ports;
ARSWITCH_LOCK_ASSERT(sc, MA_NOTOWNED);
ARSWITCH_LOCK(sc);
/* Clear the existing VLAN configuration */
memset(sc->vid, 0, sizeof(sc->vid));
/*
* Disable mirroring.
*/
arswitch_modifyreg(sc->sc_dev, AR8327_REG_FWD_CTRL0,
AR8327_FWD_CTRL0_MIRROR_PORT,
(0xF << AR8327_FWD_CTRL0_MIRROR_PORT_S));
/*
* XXX TODO: disable any Q-in-Q port configuration,
* tagging, egress filters, etc.
*/
/*
* For now, let's default to one portgroup, just so traffic
* flows. All ports can see other ports. There are two CPU GMACs
* (GMAC0, GMAC6), GMAC1..GMAC5 are external PHYs.
*
* (ETHERSWITCH_VLAN_PORT)
*/
ports = 0x7f;
/*
* XXX TODO: set things up correctly for vlans!
*/
for (i = 0; i < AR8327_NUM_PORTS; i++) {
int egress, ingress;
if (sc->vlan_mode == ETHERSWITCH_VLAN_PORT) {
sc->vid[i] = i | ETHERSWITCH_VID_VALID;
/* set egress == out_keep */
ingress = AR8X16_PORT_VLAN_MODE_PORT_ONLY;
/* in_port_only, forward */
egress = AR8327_PORT_VLAN1_OUT_MODE_UNTOUCH;
} else if (sc->vlan_mode == ETHERSWITCH_VLAN_DOT1Q) {
ingress = AR8X16_PORT_VLAN_MODE_SECURE;
egress = AR8327_PORT_VLAN1_OUT_MODE_UNMOD;
} else {
/* set egress == out_keep */
ingress = AR8X16_PORT_VLAN_MODE_PORT_ONLY;
/* in_port_only, forward */
egress = AR8327_PORT_VLAN1_OUT_MODE_UNTOUCH;
}
/* set pvid = 1; there's only one vlangroup to start with */
t = 1 << AR8327_PORT_VLAN0_DEF_SVID_S;
t |= 1 << AR8327_PORT_VLAN0_DEF_CVID_S;
arswitch_writereg(sc->sc_dev, AR8327_REG_PORT_VLAN0(i), t);
t = AR8327_PORT_VLAN1_PORT_VLAN_PROP;
t |= egress << AR8327_PORT_VLAN1_OUT_MODE_S;
arswitch_writereg(sc->sc_dev, AR8327_REG_PORT_VLAN1(i), t);
/* Ports can see other ports */
/* XXX not entirely true for dot1q? */
t = (ports & ~(1 << i)); /* all ports besides us */
t |= AR8327_PORT_LOOKUP_LEARN;
t |= ingress << AR8327_PORT_LOOKUP_IN_MODE_S;
t |= AR8X16_PORT_CTRL_STATE_FORWARD << AR8327_PORT_LOOKUP_STATE_S;
arswitch_writereg(sc->sc_dev, AR8327_REG_PORT_LOOKUP(i), t);
}
/*
* Disable port mirroring entirely.
*/
for (i = 0; i < AR8327_NUM_PORTS; i++) {
ar8327_port_disable_mirror(sc, i);
}
/*
* If dot1q - set pvid; dot1q, etc.
*/
if (sc->vlan_mode == ETHERSWITCH_VLAN_DOT1Q) {
sc->vid[0] = 1;
for (i = 0; i < AR8327_NUM_PORTS; i++) {
/* Each port - pvid 1 */
sc->hal.arswitch_vlan_set_pvid(sc, i, sc->vid[0]);
}
/* Initialise vlan1 - all ports, untagged */
sc->hal.arswitch_set_dot1q_vlan(sc, ports, ports, sc->vid[0]);
sc->vid[0] |= ETHERSWITCH_VID_VALID;
}
ARSWITCH_UNLOCK(sc);
}