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yaml
---
r: 188867
b: refs/heads/master
c: 33bd9f6
h: refs/heads/master
i:
  188865: 2dbf5d5
  188863: 9449553
v: v3
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Greg Rose authored and David S. Miller committed Mar 20, 2010
1 parent ac92ba8 commit 749d6ae
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Showing 4 changed files with 79 additions and 39 deletions.
2 changes: 1 addition & 1 deletion [refs]
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@@ -1,2 +1,2 @@
---
refs/heads/master: fd3686a842717b890fbe3024b83a616c54d5dba0
refs/heads/master: 33bd9f601ea21c4389870e425ae4eaf210d49b95
42 changes: 28 additions & 14 deletions trunk/drivers/net/ixgbevf/ethtool.c
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Original file line number Diff line number Diff line change
Expand Up @@ -46,22 +46,32 @@ struct ixgbe_stats {
int sizeof_stat;
int stat_offset;
int base_stat_offset;
int saved_reset_offset;
};

#define IXGBEVF_STAT(m, b) sizeof(((struct ixgbevf_adapter *)0)->m), \
offsetof(struct ixgbevf_adapter, m), \
offsetof(struct ixgbevf_adapter, b)
#define IXGBEVF_STAT(m, b, r) sizeof(((struct ixgbevf_adapter *)0)->m), \
offsetof(struct ixgbevf_adapter, m), \
offsetof(struct ixgbevf_adapter, b), \
offsetof(struct ixgbevf_adapter, r)
static struct ixgbe_stats ixgbe_gstrings_stats[] = {
{"rx_packets", IXGBEVF_STAT(stats.vfgprc, stats.base_vfgprc)},
{"tx_packets", IXGBEVF_STAT(stats.vfgptc, stats.base_vfgptc)},
{"rx_bytes", IXGBEVF_STAT(stats.vfgorc, stats.base_vfgorc)},
{"tx_bytes", IXGBEVF_STAT(stats.vfgotc, stats.base_vfgotc)},
{"tx_busy", IXGBEVF_STAT(tx_busy, zero_base)},
{"multicast", IXGBEVF_STAT(stats.vfmprc, stats.base_vfmprc)},
{"rx_csum_offload_good", IXGBEVF_STAT(hw_csum_rx_good, zero_base)},
{"rx_csum_offload_errors", IXGBEVF_STAT(hw_csum_rx_error, zero_base)},
{"tx_csum_offload_ctxt", IXGBEVF_STAT(hw_csum_tx_good, zero_base)},
{"rx_header_split", IXGBEVF_STAT(rx_hdr_split, zero_base)},
{"rx_packets", IXGBEVF_STAT(stats.vfgprc, stats.base_vfgprc,
stats.saved_reset_vfgprc)},
{"tx_packets", IXGBEVF_STAT(stats.vfgptc, stats.base_vfgptc,
stats.saved_reset_vfgptc)},
{"rx_bytes", IXGBEVF_STAT(stats.vfgorc, stats.base_vfgorc,
stats.saved_reset_vfgorc)},
{"tx_bytes", IXGBEVF_STAT(stats.vfgotc, stats.base_vfgotc,
stats.saved_reset_vfgotc)},
{"tx_busy", IXGBEVF_STAT(tx_busy, zero_base, zero_base)},
{"multicast", IXGBEVF_STAT(stats.vfmprc, stats.base_vfmprc,
stats.saved_reset_vfmprc)},
{"rx_csum_offload_good", IXGBEVF_STAT(hw_csum_rx_good, zero_base,
zero_base)},
{"rx_csum_offload_errors", IXGBEVF_STAT(hw_csum_rx_error, zero_base,
zero_base)},
{"tx_csum_offload_ctxt", IXGBEVF_STAT(hw_csum_tx_good, zero_base,
zero_base)},
{"rx_header_split", IXGBEVF_STAT(rx_hdr_split, zero_base, zero_base)},
};

#define IXGBE_QUEUE_STATS_LEN 0
Expand Down Expand Up @@ -455,10 +465,14 @@ static void ixgbevf_get_ethtool_stats(struct net_device *netdev,
ixgbe_gstrings_stats[i].stat_offset;
char *b = (char *)adapter +
ixgbe_gstrings_stats[i].base_stat_offset;
char *r = (char *)adapter +
ixgbe_gstrings_stats[i].saved_reset_offset;
data[i] = ((ixgbe_gstrings_stats[i].sizeof_stat ==
sizeof(u64)) ? *(u64 *)p : *(u32 *)p) -
((ixgbe_gstrings_stats[i].sizeof_stat ==
sizeof(u64)) ? *(u64 *)b : *(u32 *)b);
sizeof(u64)) ? *(u64 *)b : *(u32 *)b) +
((ixgbe_gstrings_stats[i].sizeof_stat ==
sizeof(u64)) ? *(u64 *)r : *(u32 *)r);
}
}

Expand Down
68 changes: 44 additions & 24 deletions trunk/drivers/net/ixgbevf/ixgbevf_main.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1610,6 +1610,44 @@ static inline void ixgbevf_rx_desc_queue_enable(struct ixgbevf_adapter *adapter,
(adapter->rx_ring[rxr].count - 1));
}

static void ixgbevf_save_reset_stats(struct ixgbevf_adapter *adapter)
{
/* Only save pre-reset stats if there are some */
if (adapter->stats.vfgprc || adapter->stats.vfgptc) {
adapter->stats.saved_reset_vfgprc += adapter->stats.vfgprc -
adapter->stats.base_vfgprc;
adapter->stats.saved_reset_vfgptc += adapter->stats.vfgptc -
adapter->stats.base_vfgptc;
adapter->stats.saved_reset_vfgorc += adapter->stats.vfgorc -
adapter->stats.base_vfgorc;
adapter->stats.saved_reset_vfgotc += adapter->stats.vfgotc -
adapter->stats.base_vfgotc;
adapter->stats.saved_reset_vfmprc += adapter->stats.vfmprc -
adapter->stats.base_vfmprc;
}
}

static void ixgbevf_init_last_counter_stats(struct ixgbevf_adapter *adapter)
{
struct ixgbe_hw *hw = &adapter->hw;

adapter->stats.last_vfgprc = IXGBE_READ_REG(hw, IXGBE_VFGPRC);
adapter->stats.last_vfgorc = IXGBE_READ_REG(hw, IXGBE_VFGORC_LSB);
adapter->stats.last_vfgorc |=
(((u64)(IXGBE_READ_REG(hw, IXGBE_VFGORC_MSB))) << 32);
adapter->stats.last_vfgptc = IXGBE_READ_REG(hw, IXGBE_VFGPTC);
adapter->stats.last_vfgotc = IXGBE_READ_REG(hw, IXGBE_VFGOTC_LSB);
adapter->stats.last_vfgotc |=
(((u64)(IXGBE_READ_REG(hw, IXGBE_VFGOTC_MSB))) << 32);
adapter->stats.last_vfmprc = IXGBE_READ_REG(hw, IXGBE_VFMPRC);

adapter->stats.base_vfgprc = adapter->stats.last_vfgprc;
adapter->stats.base_vfgorc = adapter->stats.last_vfgorc;
adapter->stats.base_vfgptc = adapter->stats.last_vfgptc;
adapter->stats.base_vfgotc = adapter->stats.last_vfgotc;
adapter->stats.base_vfmprc = adapter->stats.last_vfmprc;
}

static int ixgbevf_up_complete(struct ixgbevf_adapter *adapter)
{
struct net_device *netdev = adapter->netdev;
Expand Down Expand Up @@ -1656,6 +1694,9 @@ static int ixgbevf_up_complete(struct ixgbevf_adapter *adapter)
/* enable transmits */
netif_tx_start_all_queues(netdev);

ixgbevf_save_reset_stats(adapter);
ixgbevf_init_last_counter_stats(adapter);

/* bring the link up in the watchdog, this could race with our first
* link up interrupt but shouldn't be a problem */
adapter->flags |= IXGBE_FLAG_NEED_LINK_UPDATE;
Expand Down Expand Up @@ -2228,27 +2269,6 @@ static int __devinit ixgbevf_sw_init(struct ixgbevf_adapter *adapter)
return err;
}

static void ixgbevf_init_last_counter_stats(struct ixgbevf_adapter *adapter)
{
struct ixgbe_hw *hw = &adapter->hw;

adapter->stats.last_vfgprc = IXGBE_READ_REG(hw, IXGBE_VFGPRC);
adapter->stats.last_vfgorc = IXGBE_READ_REG(hw, IXGBE_VFGORC_LSB);
adapter->stats.last_vfgorc |=
(((u64)(IXGBE_READ_REG(hw, IXGBE_VFGORC_MSB))) << 32);
adapter->stats.last_vfgptc = IXGBE_READ_REG(hw, IXGBE_VFGPTC);
adapter->stats.last_vfgotc = IXGBE_READ_REG(hw, IXGBE_VFGOTC_LSB);
adapter->stats.last_vfgotc |=
(((u64)(IXGBE_READ_REG(hw, IXGBE_VFGOTC_MSB))) << 32);
adapter->stats.last_vfmprc = IXGBE_READ_REG(hw, IXGBE_VFMPRC);

adapter->stats.base_vfgprc = adapter->stats.last_vfgprc;
adapter->stats.base_vfgorc = adapter->stats.last_vfgorc;
adapter->stats.base_vfgptc = adapter->stats.last_vfgptc;
adapter->stats.base_vfgotc = adapter->stats.last_vfgotc;
adapter->stats.base_vfmprc = adapter->stats.last_vfmprc;
}

#define UPDATE_VF_COUNTER_32bit(reg, last_counter, counter) \
{ \
u32 current_counter = IXGBE_READ_REG(hw, reg); \
Expand Down Expand Up @@ -2416,9 +2436,9 @@ static void ixgbevf_watchdog_task(struct work_struct *work)
}
}

pf_has_reset:
ixgbevf_update_stats(adapter);

pf_has_reset:
/* Force detection of hung controller every watchdog period */
adapter->detect_tx_hung = true;

Expand Down Expand Up @@ -3390,8 +3410,6 @@ static int __devinit ixgbevf_probe(struct pci_dev *pdev,
/* setup the private structure */
err = ixgbevf_sw_init(adapter);

ixgbevf_init_last_counter_stats(adapter);

#ifdef MAX_SKB_FRAGS
netdev->features = NETIF_F_SG |
NETIF_F_IP_CSUM |
Expand Down Expand Up @@ -3449,6 +3467,8 @@ static int __devinit ixgbevf_probe(struct pci_dev *pdev,

adapter->netdev_registered = true;

ixgbevf_init_last_counter_stats(adapter);

/* print the MAC address */
hw_dbg(hw, "%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x\n",
netdev->dev_addr[0],
Expand Down
6 changes: 6 additions & 0 deletions trunk/drivers/net/ixgbevf/vf.h
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Original file line number Diff line number Diff line change
Expand Up @@ -157,6 +157,12 @@ struct ixgbevf_hw_stats {
u64 vfgorc;
u64 vfgotc;
u64 vfmprc;

u64 saved_reset_vfgprc;
u64 saved_reset_vfgptc;
u64 saved_reset_vfgorc;
u64 saved_reset_vfgotc;
u64 saved_reset_vfmprc;
};

struct ixgbevf_info {
Expand Down

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