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yaml
---
r: 313910
b: refs/heads/master
c: e9939c8
h: refs/heads/master
v: v3
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Yuval Mintz authored and David S. Miller committed Jun 7, 2012
1 parent 112d238 commit 10fce25
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2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: c8c60d88c59cbb48737732ba948663a3efe882aa
refs/heads/master: e9939c80e9cb51f0da7d6e70838fd6c90248439f
134 changes: 134 additions & 0 deletions trunk/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c
Original file line number Diff line number Diff line change
Expand Up @@ -177,6 +177,8 @@ static const struct {
4, STATS_FLAGS_FUNC, "recoverable_errors" },
{ STATS_OFFSET32(unrecoverable_error),
4, STATS_FLAGS_FUNC, "unrecoverable_errors" },
{ STATS_OFFSET32(eee_tx_lpi),
4, STATS_FLAGS_PORT, "Tx LPI entry count"}
};

#define BNX2X_NUM_STATS ARRAY_SIZE(bnx2x_stats_arr)
Expand Down Expand Up @@ -1543,6 +1545,136 @@ static const struct {
{ "idle check (online)" }
};

static u32 bnx2x_eee_to_adv(u32 eee_adv)
{
u32 modes = 0;

if (eee_adv & SHMEM_EEE_100M_ADV)
modes |= ADVERTISED_100baseT_Full;
if (eee_adv & SHMEM_EEE_1G_ADV)
modes |= ADVERTISED_1000baseT_Full;
if (eee_adv & SHMEM_EEE_10G_ADV)
modes |= ADVERTISED_10000baseT_Full;

return modes;
}

static u32 bnx2x_adv_to_eee(u32 modes, u32 shift)
{
u32 eee_adv = 0;
if (modes & ADVERTISED_100baseT_Full)
eee_adv |= SHMEM_EEE_100M_ADV;
if (modes & ADVERTISED_1000baseT_Full)
eee_adv |= SHMEM_EEE_1G_ADV;
if (modes & ADVERTISED_10000baseT_Full)
eee_adv |= SHMEM_EEE_10G_ADV;

return eee_adv << shift;
}

static int bnx2x_get_eee(struct net_device *dev, struct ethtool_eee *edata)
{
struct bnx2x *bp = netdev_priv(dev);
u32 eee_cfg;

if (!SHMEM2_HAS(bp, eee_status[BP_PORT(bp)])) {
DP(BNX2X_MSG_ETHTOOL, "BC Version does not support EEE\n");
return -EOPNOTSUPP;
}

eee_cfg = SHMEM2_RD(bp, eee_status[BP_PORT(bp)]);

edata->supported =
bnx2x_eee_to_adv((eee_cfg & SHMEM_EEE_SUPPORTED_MASK) >>
SHMEM_EEE_SUPPORTED_SHIFT);

edata->advertised =
bnx2x_eee_to_adv((eee_cfg & SHMEM_EEE_ADV_STATUS_MASK) >>
SHMEM_EEE_ADV_STATUS_SHIFT);
edata->lp_advertised =
bnx2x_eee_to_adv((eee_cfg & SHMEM_EEE_LP_ADV_STATUS_MASK) >>
SHMEM_EEE_LP_ADV_STATUS_SHIFT);

/* SHMEM value is in 16u units --> Convert to 1u units. */
edata->tx_lpi_timer = (eee_cfg & SHMEM_EEE_TIMER_MASK) << 4;

edata->eee_enabled = (eee_cfg & SHMEM_EEE_REQUESTED_BIT) ? 1 : 0;
edata->eee_active = (eee_cfg & SHMEM_EEE_ACTIVE_BIT) ? 1 : 0;
edata->tx_lpi_enabled = (eee_cfg & SHMEM_EEE_LPI_REQUESTED_BIT) ? 1 : 0;

return 0;
}

static int bnx2x_set_eee(struct net_device *dev, struct ethtool_eee *edata)
{
struct bnx2x *bp = netdev_priv(dev);
u32 eee_cfg;
u32 advertised;

if (IS_MF(bp))
return 0;

if (!SHMEM2_HAS(bp, eee_status[BP_PORT(bp)])) {
DP(BNX2X_MSG_ETHTOOL, "BC Version does not support EEE\n");
return -EOPNOTSUPP;
}

eee_cfg = SHMEM2_RD(bp, eee_status[BP_PORT(bp)]);

if (!(eee_cfg & SHMEM_EEE_SUPPORTED_MASK)) {
DP(BNX2X_MSG_ETHTOOL, "Board does not support EEE!\n");
return -EOPNOTSUPP;
}

advertised = bnx2x_adv_to_eee(edata->advertised,
SHMEM_EEE_ADV_STATUS_SHIFT);
if ((advertised != (eee_cfg & SHMEM_EEE_ADV_STATUS_MASK))) {
DP(BNX2X_MSG_ETHTOOL,
"Direct manipulation of EEE advertisment is not supported\n");
return -EINVAL;
}

if (edata->tx_lpi_timer > EEE_MODE_TIMER_MASK) {
DP(BNX2X_MSG_ETHTOOL,
"Maximal Tx Lpi timer supported is %x(u)\n",
EEE_MODE_TIMER_MASK);
return -EINVAL;
}
if (edata->tx_lpi_enabled &&
(edata->tx_lpi_timer < EEE_MODE_NVRAM_AGGRESSIVE_TIME)) {
DP(BNX2X_MSG_ETHTOOL,
"Minimal Tx Lpi timer supported is %d(u)\n",
EEE_MODE_NVRAM_AGGRESSIVE_TIME);
return -EINVAL;
}

/* All is well; Apply changes*/
if (edata->eee_enabled)
bp->link_params.eee_mode |= EEE_MODE_ADV_LPI;
else
bp->link_params.eee_mode &= ~EEE_MODE_ADV_LPI;

if (edata->tx_lpi_enabled)
bp->link_params.eee_mode |= EEE_MODE_ENABLE_LPI;
else
bp->link_params.eee_mode &= ~EEE_MODE_ENABLE_LPI;

bp->link_params.eee_mode &= ~EEE_MODE_TIMER_MASK;
bp->link_params.eee_mode |= (edata->tx_lpi_timer &
EEE_MODE_TIMER_MASK) |
EEE_MODE_OVERRIDE_NVRAM |
EEE_MODE_OUTPUT_TIME;

/* Restart link to propogate changes */
if (netif_running(dev)) {
bnx2x_stats_handle(bp, STATS_EVENT_STOP);
bnx2x_link_set(bp);
}

return 0;
}


enum {
BNX2X_CHIP_E1_OFST = 0,
BNX2X_CHIP_E1H_OFST,
Expand Down Expand Up @@ -2472,6 +2604,8 @@ static const struct ethtool_ops bnx2x_ethtool_ops = {
.get_rxfh_indir_size = bnx2x_get_rxfh_indir_size,
.get_rxfh_indir = bnx2x_get_rxfh_indir,
.set_rxfh_indir = bnx2x_set_rxfh_indir,
.get_eee = bnx2x_get_eee,
.set_eee = bnx2x_set_eee,
};

void bnx2x_set_ethtool_ops(struct net_device *netdev)
Expand Down

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