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amd-xgbe: Add additional stats to be reported via ethtool

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Add additional/extended statistics beyond what is provided by the
hardware to be reported via ethtool. The new stats focus on the
calls into ndo_start_xmit and the napi_poll routine.

Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Lendacky, Thomas
2015-05-14 11:43:57 -05:00
committed by David S. Miller
parent 6eaf9d1892
commit 5452b2dfe6
3 changed files with 23 additions and 3 deletions
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12
drivers/net/ethernet/amd/xgbe/xgbe-dev.c
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@@ -1533,6 +1533,8 @@ static void xgbe_dev_xmit(struct xgbe_channel *channel)
packet->tcp_payload_len);
XGMAC_SET_BITS_LE(rdesc->desc3, TX_NORMAL_DESC3, TCPHDRLEN,
packet->tcp_header_len / 4);
pdata->ext_stats.tx_tso_packets++;
} else {
/* Enable CRC and Pad Insertion */
XGMAC_SET_BITS_LE(rdesc->desc3, TX_NORMAL_DESC3, CPC, 0);
@@ -1618,11 +1620,12 @@ static void xgbe_dev_xmit(struct xgbe_channel *channel)
static int xgbe_dev_read(struct xgbe_channel *channel)
{
struct xgbe_prv_data *pdata = channel->pdata;
struct xgbe_ring *ring = channel->rx_ring;
struct xgbe_ring_data *rdata;
struct xgbe_ring_desc *rdesc;
struct xgbe_packet_data *packet = &ring->packet_data;
struct net_device *netdev = channel->pdata->netdev;
struct net_device *netdev = pdata->netdev;
unsigned int err, etlt, l34t;
DBGPR("-->xgbe_dev_read: cur = %d\n", ring->cur);
@@ -1661,9 +1664,12 @@ static int xgbe_dev_read(struct xgbe_channel *channel)
CONTEXT_NEXT, 1);
/* Get the header length */
if (XGMAC_GET_BITS_LE(rdesc->desc3, RX_NORMAL_DESC3, FD))
if (XGMAC_GET_BITS_LE(rdesc->desc3, RX_NORMAL_DESC3, FD)) {
rdata->rx.hdr_len = XGMAC_GET_BITS_LE(rdesc->desc2,
RX_NORMAL_DESC2, HL);
if (rdata->rx.hdr_len)
pdata->ext_stats.rx_split_header_packets++;
}
/* Get the RSS hash */
if (XGMAC_GET_BITS_LE(rdesc->desc3, RX_NORMAL_DESC3, RSV)) {
@@ -1700,7 +1706,7 @@ static int xgbe_dev_read(struct xgbe_channel *channel)
INCOMPLETE, 0);
/* Set checksum done indicator as appropriate */
if (channel->pdata->netdev->features & NETIF_F_RXCSUM)
if (netdev->features & NETIF_F_RXCSUM)
XGMAC_SET_BITS(packet->attributes, RX_PACKET_ATTRIBUTES,
CSUM_DONE, 1);