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RDMA/nes: Have ethtool read hardware registers for rx/tx stats 

Enhance ethtool to read hardware registers for rcv/tx error stats.
Also add support for free pbl resources.  Remove cq depth stats, which
are not used.

Signed-off-by: Faisal Latif <faisal.latif@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Faisal Latif 2010-05-21 16:54:57 -05:00 коммит произвёл Roland Dreier
Родитель a0fe3cc5d3
Коммит 39942a028c
1 изменённых файлов: 55 добавлений и 17 удалений
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72
drivers/infiniband/hw/nes/nes_nic.c
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@ -1002,6 +1002,7 @@ static int nes_netdev_change_mtu(struct net_device *netdev, int new_mtu)
return ret;
}
static const char nes_ethtool_stringset[][ETH_GSTRING_LEN] = {
"Link Change Interrupts",
"Linearized SKBs",
@ -1016,11 +1017,15 @@ static const char nes_ethtool_stringset[][ETH_GSTRING_LEN] = {
"Rx Jabber Errors",
"Rx Oversized Frames",
"Rx Short Frames",
"Rx Length Errors",
"Rx CRC Errors",
"Rx Port Discard",
"Endnode Rx Discards",
"Endnode Rx Octets",
"Endnode Rx Frames",
"Endnode Tx Octets",
"Endnode Tx Frames",
"Tx Errors",
"mh detected",
"mh pauses",
"Retransmission Count",
@ -1049,19 +1054,13 @@ static const char nes_ethtool_stringset[][ETH_GSTRING_LEN] = {
"CM Nodes Destroyed",
"CM Accel Drops",
"CM Resets Received",
"Free 4Kpbls",
"Free 256pbls",
"Timer Inits",
"CQ Depth 1",
"CQ Depth 4",
"CQ Depth 16",
"CQ Depth 24",
"CQ Depth 32",
"CQ Depth 128",
"CQ Depth 256",
"LRO aggregated",
"LRO flushed",
"LRO no_desc",
};
#define NES_ETHTOOL_STAT_COUNT ARRAY_SIZE(nes_ethtool_stringset)
/**
@ -1121,12 +1120,14 @@ static void nes_netdev_get_strings(struct net_device *netdev, u32 stringset,
/**
* nes_netdev_get_ethtool_stats
*/
static void nes_netdev_get_ethtool_stats(struct net_device *netdev,
struct ethtool_stats *target_ethtool_stats, u64 *target_stat_values)
{
u64 u64temp;
struct nes_vnic *nesvnic = netdev_priv(netdev);
struct nes_device *nesdev = nesvnic->nesdev;
struct nes_adapter *nesadapter = nesdev->nesadapter;
u32 nic_count;
u32 u32temp;
u32 index = 0;
@ -1155,6 +1156,46 @@ static void nes_netdev_get_ethtool_stats(struct net_device *netdev,
nesvnic->nesdev->port_tx_discards += u32temp;
nesvnic->netstats.tx_dropped += u32temp;
u32temp = nes_read_indexed(nesdev,
NES_IDX_MAC_RX_SHORT_FRAMES + (nesvnic->nesdev->mac_index*0x200));
nesvnic->netstats.rx_dropped += u32temp;
nesvnic->nesdev->mac_rx_errors += u32temp;
nesvnic->nesdev->mac_rx_short_frames += u32temp;
u32temp = nes_read_indexed(nesdev,
NES_IDX_MAC_RX_OVERSIZED_FRAMES + (nesvnic->nesdev->mac_index*0x200));
nesvnic->netstats.rx_dropped += u32temp;
nesvnic->nesdev->mac_rx_errors += u32temp;
nesvnic->nesdev->mac_rx_oversized_frames += u32temp;
u32temp = nes_read_indexed(nesdev,
NES_IDX_MAC_RX_JABBER_FRAMES + (nesvnic->nesdev->mac_index*0x200));
nesvnic->netstats.rx_dropped += u32temp;
nesvnic->nesdev->mac_rx_errors += u32temp;
nesvnic->nesdev->mac_rx_jabber_frames += u32temp;
u32temp = nes_read_indexed(nesdev,
NES_IDX_MAC_RX_SYMBOL_ERR_FRAMES + (nesvnic->nesdev->mac_index*0x200));
nesvnic->netstats.rx_dropped += u32temp;
nesvnic->nesdev->mac_rx_errors += u32temp;
nesvnic->nesdev->mac_rx_symbol_err_frames += u32temp;
u32temp = nes_read_indexed(nesdev,
NES_IDX_MAC_RX_LENGTH_ERR_FRAMES + (nesvnic->nesdev->mac_index*0x200));
nesvnic->netstats.rx_length_errors += u32temp;
nesvnic->nesdev->mac_rx_errors += u32temp;
u32temp = nes_read_indexed(nesdev,
NES_IDX_MAC_RX_CRC_ERR_FRAMES + (nesvnic->nesdev->mac_index*0x200));
nesvnic->nesdev->mac_rx_errors += u32temp;
nesvnic->nesdev->mac_rx_crc_errors += u32temp;
nesvnic->netstats.rx_crc_errors += u32temp;
u32temp = nes_read_indexed(nesdev,
NES_IDX_MAC_TX_ERRORS + (nesvnic->nesdev->mac_index*0x200));
nesvnic->nesdev->mac_tx_errors += u32temp;
nesvnic->netstats.tx_errors += u32temp;
for (nic_count = 0; nic_count < NES_MAX_PORT_COUNT; nic_count++) {
if (nesvnic->qp_nic_index[nic_count] == 0xf)
break;
@ -1219,11 +1260,15 @@ static void nes_netdev_get_ethtool_stats(struct net_device *netdev,
target_stat_values[++index] = nesvnic->nesdev->mac_rx_jabber_frames;
target_stat_values[++index] = nesvnic->nesdev->mac_rx_oversized_frames;
target_stat_values[++index] = nesvnic->nesdev->mac_rx_short_frames;
target_stat_values[++index] = nesvnic->netstats.rx_length_errors;
target_stat_values[++index] = nesvnic->nesdev->mac_rx_crc_errors;
target_stat_values[++index] = nesvnic->nesdev->port_rx_discards;
target_stat_values[++index] = nesvnic->endnode_nstat_rx_discard;
target_stat_values[++index] = nesvnic->endnode_nstat_rx_octets;
target_stat_values[++index] = nesvnic->endnode_nstat_rx_frames;
target_stat_values[++index] = nesvnic->endnode_nstat_tx_octets;
target_stat_values[++index] = nesvnic->endnode_nstat_tx_frames;
target_stat_values[++index] = nesvnic->nesdev->mac_tx_errors;
target_stat_values[++index] = mh_detected;
target_stat_values[++index] = mh_pauses_sent;
target_stat_values[++index] = nesvnic->endnode_ipv4_tcp_retransmits;
@ -1252,21 +1297,14 @@ static void nes_netdev_get_ethtool_stats(struct net_device *netdev,
target_stat_values[++index] = atomic_read(&cm_nodes_destroyed);
target_stat_values[++index] = atomic_read(&cm_accel_dropped_pkts);
target_stat_values[++index] = atomic_read(&cm_resets_recvd);
target_stat_values[++index] = nesadapter->free_4kpbl;
target_stat_values[++index] = nesadapter->free_256pbl;
target_stat_values[++index] = int_mod_timer_init;
target_stat_values[++index] = int_mod_cq_depth_1;
target_stat_values[++index] = int_mod_cq_depth_4;
target_stat_values[++index] = int_mod_cq_depth_16;
target_stat_values[++index] = int_mod_cq_depth_24;
target_stat_values[++index] = int_mod_cq_depth_32;
target_stat_values[++index] = int_mod_cq_depth_128;
target_stat_values[++index] = int_mod_cq_depth_256;
target_stat_values[++index] = nesvnic->lro_mgr.stats.aggregated;
target_stat_values[++index] = nesvnic->lro_mgr.stats.flushed;
target_stat_values[++index] = nesvnic->lro_mgr.stats.no_desc;
}
/**
* nes_netdev_get_drvinfo
*/