diff options
Diffstat (limited to 'drivers/net/ethernet/qualcomm/emac/emac-ethtool.c')
| -rw-r--r-- | drivers/net/ethernet/qualcomm/emac/emac-ethtool.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/drivers/net/ethernet/qualcomm/emac/emac-ethtool.c b/drivers/net/ethernet/qualcomm/emac/emac-ethtool.c index ca616fd93312..0d9945fb79be 100644 --- a/drivers/net/ethernet/qualcomm/emac/emac-ethtool.c +++ b/drivers/net/ethernet/qualcomm/emac/emac-ethtool.c @@ -145,6 +145,29 @@ static void emac_get_ringparam(struct net_device *netdev, ring->tx_pending = adpt->tx_desc_cnt; } +static int emac_set_ringparam(struct net_device *netdev, + struct ethtool_ringparam *ring) +{ + struct emac_adapter *adpt = netdev_priv(netdev); + + /* We don't have separate queues/rings for small/large frames, so + * reject any attempt to specify those values separately. + */ + if (ring->rx_mini_pending || ring->rx_jumbo_pending) + return -EINVAL; + + adpt->tx_desc_cnt = + clamp_val(ring->tx_pending, EMAC_MIN_TX_DESCS, EMAC_MAX_TX_DESCS); + + adpt->rx_desc_cnt = + clamp_val(ring->rx_pending, EMAC_MIN_RX_DESCS, EMAC_MAX_RX_DESCS); + + if (netif_running(netdev)) + return emac_reinit_locked(adpt); + + return 0; +} + static void emac_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) { @@ -170,6 +193,43 @@ static int emac_set_pauseparam(struct net_device *netdev, return 0; } +/* Selected registers that might want to track during runtime. */ +static const u16 emac_regs[] = { + EMAC_DMA_MAS_CTRL, + EMAC_MAC_CTRL, + EMAC_TXQ_CTRL_0, + EMAC_RXQ_CTRL_0, + EMAC_DMA_CTRL, + EMAC_INT_MASK, + EMAC_AXI_MAST_CTRL, + EMAC_CORE_HW_VERSION, + EMAC_MISC_CTRL, +}; + +/* Every time emac_regs[] above is changed, increase this version number. */ +#define EMAC_REGS_VERSION 0 + +#define EMAC_MAX_REG_SIZE ARRAY_SIZE(emac_regs) + +static void emac_get_regs(struct net_device *netdev, + struct ethtool_regs *regs, void *buff) +{ + struct emac_adapter *adpt = netdev_priv(netdev); + u32 *val = buff; + unsigned int i; + + regs->version = EMAC_REGS_VERSION; + regs->len = EMAC_MAX_REG_SIZE * sizeof(u32); + + for (i = 0; i < EMAC_MAX_REG_SIZE; i++) + val[i] = readl(adpt->base + emac_regs[i]); +} + +static int emac_get_regs_len(struct net_device *netdev) +{ + return EMAC_MAX_REG_SIZE * sizeof(32); +} + static const struct ethtool_ops emac_ethtool_ops = { .get_link_ksettings = phy_ethtool_get_link_ksettings, .set_link_ksettings = phy_ethtool_set_link_ksettings, @@ -182,6 +242,7 @@ static const struct ethtool_ops emac_ethtool_ops = { .get_ethtool_stats = emac_get_ethtool_stats, .get_ringparam = emac_get_ringparam, + .set_ringparam = emac_set_ringparam, .get_pauseparam = emac_get_pauseparam, .set_pauseparam = emac_set_pauseparam, @@ -189,6 +250,9 @@ static const struct ethtool_ops emac_ethtool_ops = { .nway_reset = emac_nway_reset, .get_link = ethtool_op_get_link, + + .get_regs_len = emac_get_regs_len, + .get_regs = emac_get_regs, }; void emac_set_ethtool_ops(struct net_device *netdev) |