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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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/net/ethernet/amd/xgbe/xgbe-dev.c
View File

@ -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);

8
drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c
View File

@ -133,6 +133,12 @@ struct xgbe_stats {
offsetof(struct xgbe_prv_data, mmc_stats._var), \
}
#define XGMAC_EXT_STAT(_string, _var) \
{ _string, \
FIELD_SIZEOF(struct xgbe_ext_stats, _var), \
offsetof(struct xgbe_prv_data, ext_stats._var), \
}
static const struct xgbe_stats xgbe_gstring_stats[] = {
XGMAC_MMC_STAT("tx_bytes", txoctetcount_gb),
XGMAC_MMC_STAT("tx_packets", txframecount_gb),
@ -140,6 +146,7 @@ static const struct xgbe_stats xgbe_gstring_stats[] = {
XGMAC_MMC_STAT("tx_broadcast_packets", txbroadcastframes_gb),
XGMAC_MMC_STAT("tx_multicast_packets", txmulticastframes_gb),
XGMAC_MMC_STAT("tx_vlan_packets", txvlanframes_g),
XGMAC_EXT_STAT("tx_tso_packets", tx_tso_packets),
XGMAC_MMC_STAT("tx_64_byte_packets", tx64octets_gb),
XGMAC_MMC_STAT("tx_65_to_127_byte_packets", tx65to127octets_gb),
XGMAC_MMC_STAT("tx_128_to_255_byte_packets", tx128to255octets_gb),
@ -171,6 +178,7 @@ static const struct xgbe_stats xgbe_gstring_stats[] = {
XGMAC_MMC_STAT("rx_fifo_overflow_errors", rxfifooverflow),
XGMAC_MMC_STAT("rx_watchdog_errors", rxwatchdogerror),
XGMAC_MMC_STAT("rx_pause_frames", rxpauseframes),
XGMAC_EXT_STAT("rx_split_header_packets", rx_split_header_packets),
};
#define XGBE_STATS_COUNT ARRAY_SIZE(xgbe_gstring_stats)

6
drivers/net/ethernet/amd/xgbe/xgbe.h
View File

@ -492,6 +492,11 @@ struct xgbe_mmc_stats {
u64 rxwatchdogerror;
};
struct xgbe_ext_stats {
u64 tx_tso_packets;
u64 rx_split_header_packets;
};
struct xgbe_hw_if {
int (*tx_complete)(struct xgbe_ring_desc *);
@ -750,6 +755,7 @@ struct xgbe_prv_data {
netdev_features_t netdev_features;
struct napi_struct napi;
struct xgbe_mmc_stats mmc_stats;
struct xgbe_ext_stats ext_stats;
/* Filtering support */
unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];