提交 85f9feb6 编写于 作者: L Lendacky, Thomas 提交者: David S. Miller

amd-xgbe: Convert to using the new link mode settings

Convert from using the old u32 supported, advertising, etc. link settings
to the new link mode settings that support bit positions / settings
greater than 32 bits.
Signed-off-by: NTom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 606c07f3
......@@ -267,6 +267,7 @@ static int xgbe_set_pauseparam(struct net_device *netdev,
struct ethtool_pauseparam *pause)
{
struct xgbe_prv_data *pdata = netdev_priv(netdev);
struct ethtool_link_ksettings *lks = &pdata->phy.lks;
int ret = 0;
if (pause->autoneg && (pdata->phy.autoneg != AUTONEG_ENABLE)) {
......@@ -279,16 +280,21 @@ static int xgbe_set_pauseparam(struct net_device *netdev,
pdata->phy.tx_pause = pause->tx_pause;
pdata->phy.rx_pause = pause->rx_pause;
pdata->phy.advertising &= ~ADVERTISED_Pause;
pdata->phy.advertising &= ~ADVERTISED_Asym_Pause;
XGBE_CLR_ADV(lks, Pause);
XGBE_CLR_ADV(lks, Asym_Pause);
if (pause->rx_pause) {
pdata->phy.advertising |= ADVERTISED_Pause;
pdata->phy.advertising |= ADVERTISED_Asym_Pause;
XGBE_SET_ADV(lks, Pause);
XGBE_SET_ADV(lks, Asym_Pause);
}
if (pause->tx_pause)
pdata->phy.advertising ^= ADVERTISED_Asym_Pause;
if (pause->tx_pause) {
/* Equivalent to XOR of Asym_Pause */
if (XGBE_ADV(lks, Asym_Pause))
XGBE_CLR_ADV(lks, Asym_Pause);
else
XGBE_SET_ADV(lks, Asym_Pause);
}
if (netif_running(netdev))
ret = pdata->phy_if.phy_config_aneg(pdata);
......@@ -300,22 +306,20 @@ static int xgbe_get_link_ksettings(struct net_device *netdev,
struct ethtool_link_ksettings *cmd)
{
struct xgbe_prv_data *pdata = netdev_priv(netdev);
struct ethtool_link_ksettings *lks = &pdata->phy.lks;
cmd->base.phy_address = pdata->phy.address;
ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
pdata->phy.supported);
ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
pdata->phy.advertising);
ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.lp_advertising,
pdata->phy.lp_advertising);
cmd->base.autoneg = pdata->phy.autoneg;
cmd->base.speed = pdata->phy.speed;
cmd->base.duplex = pdata->phy.duplex;
cmd->base.port = PORT_NONE;
XGBE_LM_COPY(cmd, supported, lks, supported);
XGBE_LM_COPY(cmd, advertising, lks, advertising);
XGBE_LM_COPY(cmd, lp_advertising, lks, lp_advertising);
return 0;
}
......@@ -323,7 +327,8 @@ static int xgbe_set_link_ksettings(struct net_device *netdev,
const struct ethtool_link_ksettings *cmd)
{
struct xgbe_prv_data *pdata = netdev_priv(netdev);
u32 advertising;
struct ethtool_link_ksettings *lks = &pdata->phy.lks;
__ETHTOOL_DECLARE_LINK_MODE_MASK(advertising);
u32 speed;
int ret;
......@@ -355,15 +360,17 @@ static int xgbe_set_link_ksettings(struct net_device *netdev,
}
}
ethtool_convert_link_mode_to_legacy_u32(&advertising,
cmd->link_modes.advertising);
netif_dbg(pdata, link, netdev,
"requested advertisement %#x, phy supported %#x\n",
advertising, pdata->phy.supported);
"requested advertisement 0x%*pb, phy supported 0x%*pb\n",
__ETHTOOL_LINK_MODE_MASK_NBITS, cmd->link_modes.advertising,
__ETHTOOL_LINK_MODE_MASK_NBITS, lks->link_modes.supported);
bitmap_and(advertising,
cmd->link_modes.advertising, lks->link_modes.supported,
__ETHTOOL_LINK_MODE_MASK_NBITS);
advertising &= pdata->phy.supported;
if ((cmd->base.autoneg == AUTONEG_ENABLE) && !advertising) {
if ((cmd->base.autoneg == AUTONEG_ENABLE) &&
bitmap_empty(advertising, __ETHTOOL_LINK_MODE_MASK_NBITS)) {
netdev_err(netdev,
"unsupported requested advertisement\n");
return -EINVAL;
......@@ -373,12 +380,13 @@ static int xgbe_set_link_ksettings(struct net_device *netdev,
pdata->phy.autoneg = cmd->base.autoneg;
pdata->phy.speed = speed;
pdata->phy.duplex = cmd->base.duplex;
pdata->phy.advertising = advertising;
bitmap_copy(lks->link_modes.advertising, advertising,
__ETHTOOL_LINK_MODE_MASK_NBITS);
if (cmd->base.autoneg == AUTONEG_ENABLE)
pdata->phy.advertising |= ADVERTISED_Autoneg;
XGBE_SET_ADV(lks, Autoneg);
else
pdata->phy.advertising &= ~ADVERTISED_Autoneg;
XGBE_CLR_ADV(lks, Autoneg);
if (netif_running(netdev))
ret = pdata->phy_if.phy_config_aneg(pdata);
......
......@@ -615,12 +615,14 @@ static enum xgbe_an xgbe_an73_page_received(struct xgbe_prv_data *pdata)
static enum xgbe_an xgbe_an73_incompat_link(struct xgbe_prv_data *pdata)
{
struct ethtool_link_ksettings *lks = &pdata->phy.lks;
/* Be sure we aren't looping trying to negotiate */
if (xgbe_in_kr_mode(pdata)) {
pdata->kr_state = XGBE_RX_ERROR;
if (!(pdata->phy.advertising & ADVERTISED_1000baseKX_Full) &&
!(pdata->phy.advertising & ADVERTISED_2500baseX_Full))
if (!XGBE_ADV(lks, 1000baseKX_Full) &&
!XGBE_ADV(lks, 2500baseX_Full))
return XGBE_AN_NO_LINK;
if (pdata->kx_state != XGBE_RX_BPA)
......@@ -628,7 +630,7 @@ static enum xgbe_an xgbe_an73_incompat_link(struct xgbe_prv_data *pdata)
} else {
pdata->kx_state = XGBE_RX_ERROR;
if (!(pdata->phy.advertising & ADVERTISED_10000baseKR_Full))
if (!XGBE_ADV(lks, 10000baseKR_Full))
return XGBE_AN_NO_LINK;
if (pdata->kr_state != XGBE_RX_BPA)
......@@ -944,18 +946,19 @@ static void xgbe_an_state_machine(struct work_struct *work)
static void xgbe_an37_init(struct xgbe_prv_data *pdata)
{
unsigned int advertising, reg;
struct ethtool_link_ksettings lks;
unsigned int reg;
advertising = pdata->phy_if.phy_impl.an_advertising(pdata);
pdata->phy_if.phy_impl.an_advertising(pdata, &lks);
/* Set up Advertisement register */
reg = XMDIO_READ(pdata, MDIO_MMD_VEND2, MDIO_VEND2_AN_ADVERTISE);
if (advertising & ADVERTISED_Pause)
if (XGBE_ADV(&lks, Pause))
reg |= 0x100;
else
reg &= ~0x100;
if (advertising & ADVERTISED_Asym_Pause)
if (XGBE_ADV(&lks, Asym_Pause))
reg |= 0x80;
else
reg &= ~0x80;
......@@ -992,13 +995,14 @@ static void xgbe_an37_init(struct xgbe_prv_data *pdata)
static void xgbe_an73_init(struct xgbe_prv_data *pdata)
{
unsigned int advertising, reg;
struct ethtool_link_ksettings lks;
unsigned int reg;
advertising = pdata->phy_if.phy_impl.an_advertising(pdata);
pdata->phy_if.phy_impl.an_advertising(pdata, &lks);
/* Set up Advertisement register 3 first */
reg = XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_AN_ADVERTISE + 2);
if (advertising & ADVERTISED_10000baseR_FEC)
if (XGBE_ADV(&lks, 10000baseR_FEC))
reg |= 0xc000;
else
reg &= ~0xc000;
......@@ -1007,13 +1011,13 @@ static void xgbe_an73_init(struct xgbe_prv_data *pdata)
/* Set up Advertisement register 2 next */
reg = XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_AN_ADVERTISE + 1);
if (advertising & ADVERTISED_10000baseKR_Full)
if (XGBE_ADV(&lks, 10000baseKR_Full))
reg |= 0x80;
else
reg &= ~0x80;
if ((advertising & ADVERTISED_1000baseKX_Full) ||
(advertising & ADVERTISED_2500baseX_Full))
if (XGBE_ADV(&lks, 1000baseKX_Full) ||
XGBE_ADV(&lks, 2500baseX_Full))
reg |= 0x20;
else
reg &= ~0x20;
......@@ -1022,12 +1026,12 @@ static void xgbe_an73_init(struct xgbe_prv_data *pdata)
/* Set up Advertisement register 1 last */
reg = XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_AN_ADVERTISE);
if (advertising & ADVERTISED_Pause)
if (XGBE_ADV(&lks, Pause))
reg |= 0x400;
else
reg &= ~0x400;
if (advertising & ADVERTISED_Asym_Pause)
if (XGBE_ADV(&lks, Asym_Pause))
reg |= 0x800;
else
reg &= ~0x800;
......@@ -1283,9 +1287,10 @@ static enum xgbe_mode xgbe_phy_status_aneg(struct xgbe_prv_data *pdata)
static void xgbe_phy_status_result(struct xgbe_prv_data *pdata)
{
struct ethtool_link_ksettings *lks = &pdata->phy.lks;
enum xgbe_mode mode;
pdata->phy.lp_advertising = 0;
XGBE_ZERO_LP_ADV(lks);
if ((pdata->phy.autoneg != AUTONEG_ENABLE) || pdata->parallel_detect)
mode = xgbe_cur_mode(pdata);
......@@ -1515,17 +1520,21 @@ static void xgbe_dump_phy_registers(struct xgbe_prv_data *pdata)
static int xgbe_phy_best_advertised_speed(struct xgbe_prv_data *pdata)
{
if (pdata->phy.advertising & ADVERTISED_10000baseKR_Full)
struct ethtool_link_ksettings *lks = &pdata->phy.lks;
if (XGBE_ADV(lks, 10000baseKR_Full))
return SPEED_10000;
else if (pdata->phy.advertising & ADVERTISED_10000baseT_Full)
else if (XGBE_ADV(lks, 10000baseT_Full))
return SPEED_10000;
else if (pdata->phy.advertising & ADVERTISED_2500baseX_Full)
else if (XGBE_ADV(lks, 2500baseX_Full))
return SPEED_2500;
else if (pdata->phy.advertising & ADVERTISED_1000baseKX_Full)
else if (XGBE_ADV(lks, 2500baseT_Full))
return SPEED_2500;
else if (XGBE_ADV(lks, 1000baseKX_Full))
return SPEED_1000;
else if (pdata->phy.advertising & ADVERTISED_1000baseT_Full)
else if (XGBE_ADV(lks, 1000baseT_Full))
return SPEED_1000;
else if (pdata->phy.advertising & ADVERTISED_100baseT_Full)
else if (XGBE_ADV(lks, 100baseT_Full))
return SPEED_100;
return SPEED_UNKNOWN;
......@@ -1538,6 +1547,7 @@ static void xgbe_phy_exit(struct xgbe_prv_data *pdata)
static int xgbe_phy_init(struct xgbe_prv_data *pdata)
{
struct ethtool_link_ksettings *lks = &pdata->phy.lks;
int ret;
mutex_init(&pdata->an_mutex);
......@@ -1555,11 +1565,13 @@ static int xgbe_phy_init(struct xgbe_prv_data *pdata)
ret = pdata->phy_if.phy_impl.init(pdata);
if (ret)
return ret;
pdata->phy.advertising = pdata->phy.supported;
/* Copy supported link modes to advertising link modes */
XGBE_LM_COPY(lks, advertising, lks, supported);
pdata->phy.address = 0;
if (pdata->phy.advertising & ADVERTISED_Autoneg) {
if (XGBE_ADV(lks, Autoneg)) {
pdata->phy.autoneg = AUTONEG_ENABLE;
pdata->phy.speed = SPEED_UNKNOWN;
pdata->phy.duplex = DUPLEX_UNKNOWN;
......@@ -1576,16 +1588,21 @@ static int xgbe_phy_init(struct xgbe_prv_data *pdata)
pdata->phy.rx_pause = pdata->rx_pause;
/* Fix up Flow Control advertising */
pdata->phy.advertising &= ~ADVERTISED_Pause;
pdata->phy.advertising &= ~ADVERTISED_Asym_Pause;
XGBE_CLR_ADV(lks, Pause);
XGBE_CLR_ADV(lks, Asym_Pause);
if (pdata->rx_pause) {
pdata->phy.advertising |= ADVERTISED_Pause;
pdata->phy.advertising |= ADVERTISED_Asym_Pause;
XGBE_SET_ADV(lks, Pause);
XGBE_SET_ADV(lks, Asym_Pause);
}
if (pdata->tx_pause)
pdata->phy.advertising ^= ADVERTISED_Asym_Pause;
if (pdata->tx_pause) {
/* Equivalent to XOR of Asym_Pause */
if (XGBE_ADV(lks, Asym_Pause))
XGBE_CLR_ADV(lks, Asym_Pause);
else
XGBE_SET_ADV(lks, Asym_Pause);
}
if (netif_msg_drv(pdata))
xgbe_dump_phy_registers(pdata);
......
......@@ -231,20 +231,21 @@ static void xgbe_phy_kr_training_post(struct xgbe_prv_data *pdata)
static enum xgbe_mode xgbe_phy_an_outcome(struct xgbe_prv_data *pdata)
{
struct ethtool_link_ksettings *lks = &pdata->phy.lks;
struct xgbe_phy_data *phy_data = pdata->phy_data;
enum xgbe_mode mode;
unsigned int ad_reg, lp_reg;
pdata->phy.lp_advertising |= ADVERTISED_Autoneg;
pdata->phy.lp_advertising |= ADVERTISED_Backplane;
XGBE_SET_LP_ADV(lks, Autoneg);
XGBE_SET_LP_ADV(lks, Backplane);
/* Compare Advertisement and Link Partner register 1 */
ad_reg = XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_AN_ADVERTISE);
lp_reg = XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_AN_LPA);
if (lp_reg & 0x400)
pdata->phy.lp_advertising |= ADVERTISED_Pause;
XGBE_SET_LP_ADV(lks, Pause);
if (lp_reg & 0x800)
pdata->phy.lp_advertising |= ADVERTISED_Asym_Pause;
XGBE_SET_LP_ADV(lks, Asym_Pause);
if (pdata->phy.pause_autoneg) {
/* Set flow control based on auto-negotiation result */
......@@ -266,12 +267,12 @@ static enum xgbe_mode xgbe_phy_an_outcome(struct xgbe_prv_data *pdata)
ad_reg = XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_AN_ADVERTISE + 1);
lp_reg = XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_AN_LPA + 1);
if (lp_reg & 0x80)
pdata->phy.lp_advertising |= ADVERTISED_10000baseKR_Full;
XGBE_SET_LP_ADV(lks, 10000baseKR_Full);
if (lp_reg & 0x20) {
if (phy_data->speed_set == XGBE_SPEEDSET_2500_10000)
pdata->phy.lp_advertising |= ADVERTISED_2500baseX_Full;
XGBE_SET_LP_ADV(lks, 2500baseX_Full);
else
pdata->phy.lp_advertising |= ADVERTISED_1000baseKX_Full;
XGBE_SET_LP_ADV(lks, 1000baseKX_Full);
}
ad_reg &= lp_reg;
......@@ -290,14 +291,17 @@ static enum xgbe_mode xgbe_phy_an_outcome(struct xgbe_prv_data *pdata)
ad_reg = XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_AN_ADVERTISE + 2);
lp_reg = XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_AN_LPA + 2);
if (lp_reg & 0xc000)
pdata->phy.lp_advertising |= ADVERTISED_10000baseR_FEC;
XGBE_SET_LP_ADV(lks, 10000baseR_FEC);
return mode;
}
static unsigned int xgbe_phy_an_advertising(struct xgbe_prv_data *pdata)
static void xgbe_phy_an_advertising(struct xgbe_prv_data *pdata,
struct ethtool_link_ksettings *dlks)
{
return pdata->phy.advertising;
struct ethtool_link_ksettings *slks = &pdata->phy.lks;
XGBE_LM_COPY(dlks, advertising, slks, advertising);
}
static int xgbe_phy_an_config(struct xgbe_prv_data *pdata)
......@@ -565,11 +569,10 @@ static void xgbe_phy_set_mode(struct xgbe_prv_data *pdata, enum xgbe_mode mode)
}
static bool xgbe_phy_check_mode(struct xgbe_prv_data *pdata,
enum xgbe_mode mode, u32 advert)
enum xgbe_mode mode, bool advert)
{
if (pdata->phy.autoneg == AUTONEG_ENABLE) {
if (pdata->phy.advertising & advert)
return true;
return advert;
} else {
enum xgbe_mode cur_mode;
......@@ -583,16 +586,18 @@ static bool xgbe_phy_check_mode(struct xgbe_prv_data *pdata,
static bool xgbe_phy_use_mode(struct xgbe_prv_data *pdata, enum xgbe_mode mode)
{
struct ethtool_link_ksettings *lks = &pdata->phy.lks;
switch (mode) {
case XGBE_MODE_KX_1000:
return xgbe_phy_check_mode(pdata, mode,
ADVERTISED_1000baseKX_Full);
XGBE_ADV(lks, 1000baseKX_Full));
case XGBE_MODE_KX_2500:
return xgbe_phy_check_mode(pdata, mode,
ADVERTISED_2500baseX_Full);
XGBE_ADV(lks, 2500baseX_Full));
case XGBE_MODE_KR:
return xgbe_phy_check_mode(pdata, mode,
ADVERTISED_10000baseKR_Full);
XGBE_ADV(lks, 10000baseKR_Full));
default:
return false;
}
......@@ -672,6 +677,7 @@ static void xgbe_phy_exit(struct xgbe_prv_data *pdata)
static int xgbe_phy_init(struct xgbe_prv_data *pdata)
{
struct ethtool_link_ksettings *lks = &pdata->phy.lks;
struct xgbe_phy_data *phy_data;
int ret;
......@@ -790,21 +796,23 @@ static int xgbe_phy_init(struct xgbe_prv_data *pdata)
}
/* Initialize supported features */
pdata->phy.supported = SUPPORTED_Autoneg;
pdata->phy.supported |= SUPPORTED_Pause | SUPPORTED_Asym_Pause;
pdata->phy.supported |= SUPPORTED_Backplane;
pdata->phy.supported |= SUPPORTED_10000baseKR_Full;
XGBE_ZERO_SUP(lks);
XGBE_SET_SUP(lks, Autoneg);
XGBE_SET_SUP(lks, Pause);
XGBE_SET_SUP(lks, Asym_Pause);
XGBE_SET_SUP(lks, Backplane);
XGBE_SET_SUP(lks, 10000baseKR_Full);
switch (phy_data->speed_set) {
case XGBE_SPEEDSET_1000_10000:
pdata->phy.supported |= SUPPORTED_1000baseKX_Full;
XGBE_SET_SUP(lks, 1000baseKX_Full);
break;
case XGBE_SPEEDSET_2500_10000:
pdata->phy.supported |= SUPPORTED_2500baseX_Full;
XGBE_SET_SUP(lks, 2500baseX_Full);
break;
}
if (pdata->fec_ability & MDIO_PMA_10GBR_FECABLE_ABLE)
pdata->phy.supported |= SUPPORTED_10000baseR_FEC;
XGBE_SET_SUP(lks, 10000baseR_FEC);
pdata->phy_data = phy_data;
......
......@@ -131,6 +131,7 @@
#include <linux/cpumask.h>
#include <linux/interrupt.h>
#include <linux/dcache.h>
#include <linux/ethtool.h>
#define XGBE_DRV_NAME "amd-xgbe"
#define XGBE_DRV_VERSION "1.0.3"
......@@ -296,6 +297,48 @@
/* MDIO port types */
#define XGMAC_MAX_C22_PORT 3
/* Link mode bit operations */
#define XGBE_ZERO_SUP(_ls) \
ethtool_link_ksettings_zero_link_mode((_ls), supported)
#define XGBE_SET_SUP(_ls, _mode) \
ethtool_link_ksettings_add_link_mode((_ls), supported, _mode)
#define XGBE_CLR_SUP(_ls, _mode) \
ethtool_link_ksettings_del_link_mode((_ls), supported, _mode)
#define XGBE_IS_SUP(_ls, _mode) \
ethtool_link_ksettings_test_link_mode((_ls), supported, _mode)
#define XGBE_ZERO_ADV(_ls) \
ethtool_link_ksettings_zero_link_mode((_ls), advertising)
#define XGBE_SET_ADV(_ls, _mode) \
ethtool_link_ksettings_add_link_mode((_ls), advertising, _mode)
#define XGBE_CLR_ADV(_ls, _mode) \
ethtool_link_ksettings_del_link_mode((_ls), advertising, _mode)
#define XGBE_ADV(_ls, _mode) \
ethtool_link_ksettings_test_link_mode((_ls), advertising, _mode)
#define XGBE_ZERO_LP_ADV(_ls) \
ethtool_link_ksettings_zero_link_mode((_ls), lp_advertising)
#define XGBE_SET_LP_ADV(_ls, _mode) \
ethtool_link_ksettings_add_link_mode((_ls), lp_advertising, _mode)
#define XGBE_CLR_LP_ADV(_ls, _mode) \
ethtool_link_ksettings_del_link_mode((_ls), lp_advertising, _mode)
#define XGBE_LP_ADV(_ls, _mode) \
ethtool_link_ksettings_test_link_mode((_ls), lp_advertising, _mode)
#define XGBE_LM_COPY(_dst, _dname, _src, _sname) \
bitmap_copy((_dst)->link_modes._dname, \
(_src)->link_modes._sname, \
__ETHTOOL_LINK_MODE_MASK_NBITS)
struct xgbe_prv_data;
struct xgbe_packet_data {
......@@ -563,9 +606,7 @@ enum xgbe_mdio_mode {
};
struct xgbe_phy {
u32 supported;
u32 advertising;
u32 lp_advertising;
struct ethtool_link_ksettings lks;
int address;
......@@ -817,7 +858,8 @@ struct xgbe_phy_impl_if {
int (*an_config)(struct xgbe_prv_data *);
/* Set/override auto-negotiation advertisement settings */
unsigned int (*an_advertising)(struct xgbe_prv_data *);
void (*an_advertising)(struct xgbe_prv_data *,
struct ethtool_link_ksettings *);
/* Process results of auto-negotiation */
enum xgbe_mode (*an_outcome)(struct xgbe_prv_data *);
......
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