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net: dwc-xlgmac: add the initial ethtool support

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It is necessary to provide ethtool support for displaying and
modifying parameters of dwc-xlgmac.

Signed-off-by: Jie Deng <jiedeng@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jie Deng 2017-04-12 13:10:06 +08:00 • committed by David S. Miller
parent 7ed14d973f
commit d4d49bc145
6 changed files with 312 additions and 4 deletions
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22
drivers/net/ethernet/synopsys/dwc-xlgmac-net.c
View file

@ -290,19 +290,34 @@ static irqreturn_t xlgmac_isr(int irq, void *data)
/* Disable Tx and Rx interrupts */
xlgmac_disable_rx_tx_ints(pdata);
pdata->stats.napi_poll_isr++;
/* Turn on polling */
__napi_schedule_irqoff(&pdata->napi);
}
}
if (XLGMAC_GET_REG_BITS(dma_ch_isr, DMA_CH_SR_TPS_POS,
DMA_CH_SR_TPS_LEN))
pdata->stats.tx_process_stopped++;
if (XLGMAC_GET_REG_BITS(dma_ch_isr, DMA_CH_SR_RPS_POS,
DMA_CH_SR_RPS_LEN))
pdata->stats.rx_process_stopped++;
if (XLGMAC_GET_REG_BITS(dma_ch_isr, DMA_CH_SR_TBU_POS,
DMA_CH_SR_TBU_LEN))
pdata->stats.tx_buffer_unavailable++;
if (XLGMAC_GET_REG_BITS(dma_ch_isr, DMA_CH_SR_RBU_POS,
DMA_CH_SR_RBU_LEN))
pdata->stats.rx_buffer_unavailable++;
/* Restart the device on a Fatal Bus Error */
if (XLGMAC_GET_REG_BITS(dma_ch_isr, DMA_CH_SR_FBE_POS,
DMA_CH_SR_FBE_LEN))
DMA_CH_SR_FBE_LEN)) {
pdata->stats.fatal_bus_error++;
schedule_work(&pdata->restart_work);
}
/* Clear all interrupt signals */
writel(dma_ch_isr, XLGMAC_DMA_REG(channel, DMA_CH_SR));
@ -357,6 +372,7 @@ static void xlgmac_tx_timer(unsigned long data)
else
xlgmac_disable_rx_tx_ints(pdata);
pdata->stats.napi_poll_txtimer++;
/* Turn on polling */
__napi_schedule(napi);
}
@ -1225,9 +1241,11 @@ read_again:
if (XLGMAC_GET_REG_BITS(pkt_info->attributes,
RX_PACKET_ATTRIBUTES_VLAN_CTAG_POS,
RX_PACKET_ATTRIBUTES_VLAN_CTAG_LEN))
RX_PACKET_ATTRIBUTES_VLAN_CTAG_LEN)) {
__vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q),
pkt_info->vlan_ctag);
pdata->stats.rx_vlan_packets++;
}
if (XLGMAC_GET_REG_BITS(pkt_info->attributes,
RX_PACKET_ATTRIBUTES_RSS_HASH_POS,