Commit 34744a77 authored by Jiawen Wu's avatar Jiawen Wu Committed by Paolo Abeni
Browse files

net: txgbe: add FDIR info to ethtool ops



Add flow director filter match and miss statistics to ethtool -S.
And change the number of queues when using flow director for ehtool -l.

Signed-off-by: default avatarJiawen Wu <jiawenwu@trustnetic.com>
Reviewed-by: default avatarSimon Horman <horms@kernel.org>
Signed-off-by: default avatarPaolo Abeni <pabeni@redhat.com>
parent 4bdb4411
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+35 −4
Original line number Diff line number Diff line
@@ -43,6 +43,11 @@ static const struct wx_stats wx_gstrings_stats[] = {
	WX_STAT("alloc_rx_buff_failed", alloc_rx_buff_failed),
};

static const struct wx_stats wx_gstrings_fdir_stats[] = {
	WX_STAT("fdir_match", stats.fdirmatch),
	WX_STAT("fdir_miss", stats.fdirmiss),
};

/* drivers allocates num_tx_queues and num_rx_queues symmetrically so
 * we set the num_rx_queues to evaluate to num_tx_queues. This is
 * used because we do not have a good way to get the max number of
@@ -55,13 +60,17 @@ static const struct wx_stats wx_gstrings_stats[] = {
		(WX_NUM_TX_QUEUES + WX_NUM_RX_QUEUES) * \
		(sizeof(struct wx_queue_stats) / sizeof(u64)))
#define WX_GLOBAL_STATS_LEN  ARRAY_SIZE(wx_gstrings_stats)
#define WX_FDIR_STATS_LEN  ARRAY_SIZE(wx_gstrings_fdir_stats)
#define WX_STATS_LEN (WX_GLOBAL_STATS_LEN + WX_QUEUE_STATS_LEN)

int wx_get_sset_count(struct net_device *netdev, int sset)
{
	struct wx *wx = netdev_priv(netdev);

	switch (sset) {
	case ETH_SS_STATS:
		return WX_STATS_LEN;
		return (wx->mac.type == wx_mac_sp) ?
			WX_STATS_LEN + WX_FDIR_STATS_LEN : WX_STATS_LEN;
	default:
		return -EOPNOTSUPP;
	}
@@ -70,6 +79,7 @@ EXPORT_SYMBOL(wx_get_sset_count);

void wx_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
{
	struct wx *wx = netdev_priv(netdev);
	u8 *p = data;
	int i;

@@ -77,6 +87,10 @@ void wx_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
	case ETH_SS_STATS:
		for (i = 0; i < WX_GLOBAL_STATS_LEN; i++)
			ethtool_puts(&p, wx_gstrings_stats[i].stat_string);
		if (wx->mac.type == wx_mac_sp) {
			for (i = 0; i < WX_FDIR_STATS_LEN; i++)
				ethtool_puts(&p, wx_gstrings_fdir_stats[i].stat_string);
		}
		for (i = 0; i < netdev->num_tx_queues; i++) {
			ethtool_sprintf(&p, "tx_queue_%u_packets", i);
			ethtool_sprintf(&p, "tx_queue_%u_bytes", i);
@@ -96,7 +110,7 @@ void wx_get_ethtool_stats(struct net_device *netdev,
	struct wx *wx = netdev_priv(netdev);
	struct wx_ring *ring;
	unsigned int start;
	int i, j;
	int i, j, k;
	char *p;

	wx_update_stats(wx);
@@ -107,6 +121,13 @@ void wx_get_ethtool_stats(struct net_device *netdev,
			   sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
	}

	if (wx->mac.type == wx_mac_sp) {
		for (k = 0; k < WX_FDIR_STATS_LEN; k++) {
			p = (char *)wx + wx_gstrings_fdir_stats[k].stat_offset;
			data[i++] = *(u64 *)p;
		}
	}

	for (j = 0; j < netdev->num_tx_queues; j++) {
		ring = wx->tx_ring[j];
		if (!ring) {
@@ -172,17 +193,21 @@ EXPORT_SYMBOL(wx_get_pause_stats);

void wx_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *info)
{
	unsigned int stats_len = WX_STATS_LEN;
	struct wx *wx = netdev_priv(netdev);

	if (wx->mac.type == wx_mac_sp)
		stats_len += WX_FDIR_STATS_LEN;

	strscpy(info->driver, wx->driver_name, sizeof(info->driver));
	strscpy(info->fw_version, wx->eeprom_id, sizeof(info->fw_version));
	strscpy(info->bus_info, pci_name(wx->pdev), sizeof(info->bus_info));
	if (wx->num_tx_queues <= WX_NUM_TX_QUEUES) {
		info->n_stats = WX_STATS_LEN -
		info->n_stats = stats_len -
				   (WX_NUM_TX_QUEUES - wx->num_tx_queues) *
				   (sizeof(struct wx_queue_stats) / sizeof(u64)) * 2;
	} else {
		info->n_stats = WX_STATS_LEN;
		info->n_stats = stats_len;
	}
}
EXPORT_SYMBOL(wx_get_drvinfo);
@@ -383,6 +408,9 @@ void wx_get_channels(struct net_device *dev,

	/* record RSS queues */
	ch->combined_count = wx->ring_feature[RING_F_RSS].indices;

	if (test_bit(WX_FLAG_FDIR_CAPABLE, wx->flags))
		ch->combined_count = wx->ring_feature[RING_F_FDIR].indices;
}
EXPORT_SYMBOL(wx_get_channels);

@@ -400,6 +428,9 @@ int wx_set_channels(struct net_device *dev,
	if (count > wx_max_channels(wx))
		return -EINVAL;

	if (test_bit(WX_FLAG_FDIR_CAPABLE, wx->flags))
		wx->ring_feature[RING_F_FDIR].limit = count;

	wx->ring_feature[RING_F_RSS].limit = count;

	return 0;
+5 −0
Original line number Diff line number Diff line
@@ -2352,6 +2352,11 @@ void wx_update_stats(struct wx *wx)
	hwstats->b2ogprc += rd32(wx, WX_RDM_BMC2OS_CNT);
	hwstats->rdmdrop += rd32(wx, WX_RDM_DRP_PKT);

	if (wx->mac.type == wx_mac_sp) {
		hwstats->fdirmatch += rd32(wx, WX_RDB_FDIR_MATCH);
		hwstats->fdirmiss += rd32(wx, WX_RDB_FDIR_MISS);
	}

	for (i = 0; i < wx->mac.max_rx_queues; i++)
		hwstats->qmprc += rd32(wx, WX_PX_MPRC(i));
}
+4 −0
Original line number Diff line number Diff line
@@ -157,6 +157,8 @@
#define WX_RDB_RA_CTL_RSS_IPV6_TCP   BIT(21)
#define WX_RDB_RA_CTL_RSS_IPV4_UDP   BIT(22)
#define WX_RDB_RA_CTL_RSS_IPV6_UDP   BIT(23)
#define WX_RDB_FDIR_MATCH            0x19558
#define WX_RDB_FDIR_MISS             0x1955C

/******************************* PSR Registers *******************************/
/* psr control */
@@ -1018,6 +1020,8 @@ struct wx_hw_stats {
	u64 crcerrs;
	u64 rlec;
	u64 qmprc;
	u64 fdirmatch;
	u64 fdirmiss;
};

enum wx_state {