On 2014/12/7 8:42, Alexander Graf wrote:
> On 19.04.14 03:13, Zhangfei Gao wrote:
>> Support Hisilicon hip04 ethernet driver, including 100M / 1000M controller.
>> The controller has no tx done interrupt, reclaim xmitted buffer in the poll.
>>
>> Signed-off-by: Zhangfei Gao <[email protected]>
>
> Is this driver still supposed to go upstream? I presume this was the
> last submission and it's been quite some time ago :)
>
yes, it is really a long time, but The hip04 did not support tx irq,
we couldn't get any better idea to fix this defect, do you have any suggestion?
Regards
Ding
>> ---
>> drivers/net/ethernet/hisilicon/Makefile | 2 +-
>> drivers/net/ethernet/hisilicon/hip04_eth.c | 846
>> ++++++++++++++++++++++++++++
>> 2 files changed, 847 insertions(+), 1 deletion(-)
>> create mode 100644 drivers/net/ethernet/hisilicon/hip04_eth.c
>>
>> diff --git a/drivers/net/ethernet/hisilicon/Makefile
>> b/drivers/net/ethernet/hisilicon/Makefile
>> index 1d6eb6e..17dec03 100644
>
> [...]
>
>> +static irqreturn_t hip04_mac_interrupt(int irq, void *dev_id)
>> +{
>> + struct net_device *ndev = (struct net_device *) dev_id;
>> + struct hip04_priv *priv = netdev_priv(ndev);
>> + struct net_device_stats *stats = &ndev->stats;
>> + u32 ists = readl_relaxed(priv->base + PPE_INTSTS);
>> +
>> + writel_relaxed(DEF_INT_MASK, priv->base + PPE_RINT);
>> +
>> + if (unlikely(ists & DEF_INT_ERR)) {
>> + if (ists & (RCV_NOBUF | RCV_DROP))
>> + stats->rx_errors++;
>> + stats->rx_dropped++;
>> + netdev_err(ndev, "rx drop\n");
>
> Why would a user want to see this as a dmesg error? We already have
> stats for packet drops, no?
>
>> + if (ists & TX_DROP) {
>> + stats->tx_dropped++;
>> + netdev_err(ndev, "tx drop\n");
>
> Same here.
>
>> + }
>> + }
>> +
>> + if (ists & RCV_INT) {
>> + /* disable rx interrupt */
>> + priv->reg_inten &= ~(RCV_INT);
>> + writel_relaxed(priv->reg_inten, priv->base + PPE_INTEN);
>> + napi_schedule(&priv->napi);
>> + }
>> +
>> + return IRQ_HANDLED;
>> +}
>
> [...]
>
>> +
>> +static const struct of_device_id hip04_mac_match[] = {
>> + { .compatible = "hisilicon,hip04-mac" },
>> + { }
>> +};
>
> This is missing the magic macro that actually would make module aliases
> work.
>
>
> Alex
>
>> +
>> +static struct platform_driver hip04_mac_driver = {
>> + .probe = hip04_mac_probe,
>> + .remove = hip04_remove,
>> + .driver = {
>> + .name = DRV_NAME,
>> + .owner = THIS_MODULE,
>> + .of_match_table = hip04_mac_match,
>> + },
>> +};
>> +module_platform_driver(hip04_mac_driver);
>> +
>> +MODULE_DESCRIPTION("HISILICON P04 Ethernet driver");
>> +MODULE_LICENSE("GPL v2");
>> +MODULE_ALIAS("platform:hip04-ether");
>>
>
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> .
>
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