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Message-Id: <1460362223-15208-1-git-send-email-izumi.taku@jp.fujitsu.com>
Date: Mon, 11 Apr 2016 17:10:23 +0900
From: Taku Izumi <izumi.taku@...fujitsu.com>
To: davem@...emloft.net, netdev@...r.kernel.org
Cc: Taku Izumi <izumi.taku@...fujitsu.com>
Subject: [PATCH net-next 05/11] fjes: show EP stats at statistics file in debugfs
This patch enriches information in
/sys/kernel/debug/fjes/fjes.N/statistics file.
By applying this patch, each EP's stats information
are displayed in this file.
Signed-off-by: Taku Izumi <izumi.taku@...fujitsu.com>
---
drivers/net/fjes/fjes_debugfs.c | 27 ++++++++++++++++++++++++
drivers/net/fjes/fjes_hw.c | 9 ++++++++
drivers/net/fjes/fjes_hw.h | 18 ++++++++++++++++
drivers/net/fjes/fjes_main.c | 46 +++++++++++++++++++++++++++++++++++++----
4 files changed, 96 insertions(+), 4 deletions(-)
diff --git a/drivers/net/fjes/fjes_debugfs.c b/drivers/net/fjes/fjes_debugfs.c
index b0807c2..fc6cfa6 100644
--- a/drivers/net/fjes/fjes_debugfs.c
+++ b/drivers/net/fjes/fjes_debugfs.c
@@ -81,6 +81,33 @@ static int fjes_dbg_stats_show(struct seq_file *m, void *v)
FJES_DEBUGFS_NET_STATS_ENTRY(rx_compressed);
FJES_DEBUGFS_NET_STATS_ENTRY(tx_compressed);
+#define FJES_DEBUGFS_EP_STATS_ENTRY(X) do { \
+ seq_printf(m, "%-41s", #X); \
+ for (epidx = 0; epidx < max_epid; epidx++) { \
+ if (epidx == my_epid) \
+ seq_printf(m, " -"); \
+ else \
+ seq_printf(m, " %10llu", \
+ hw->ep_shm_info[epidx].ep_stats.X); \
+ } \
+ seq_printf(m, "\n"); \
+} while (0)
+
+ FJES_DEBUGFS_EP_STATS_ENTRY(command_register_buffer_executed);
+ FJES_DEBUGFS_EP_STATS_ENTRY(command_unregister_buffer_executed);
+ FJES_DEBUGFS_EP_STATS_ENTRY(send_interrupts_rx);
+ FJES_DEBUGFS_EP_STATS_ENTRY(send_interrupts_unshare);
+ FJES_DEBUGFS_EP_STATS_ENTRY(send_interrupts_zoneupdate);
+ FJES_DEBUGFS_EP_STATS_ENTRY(receive_interrupts_rx);
+ FJES_DEBUGFS_EP_STATS_ENTRY(receive_interrupts_unshare);
+ FJES_DEBUGFS_EP_STATS_ENTRY(receive_interrupts_stop);
+ FJES_DEBUGFS_EP_STATS_ENTRY(receive_interrupts_zoneupdate);
+ FJES_DEBUGFS_EP_STATS_ENTRY(tx_buffer_full);
+ FJES_DEBUGFS_EP_STATS_ENTRY(tx_dropped_not_shared);
+ FJES_DEBUGFS_EP_STATS_ENTRY(tx_dropped_version_mismatch);
+ FJES_DEBUGFS_EP_STATS_ENTRY(tx_dropped_buffer_size_discrepancy);
+ FJES_DEBUGFS_EP_STATS_ENTRY(tx_dropped_vlan_id_mismatch);
+
return 0;
}
diff --git a/drivers/net/fjes/fjes_hw.c b/drivers/net/fjes/fjes_hw.c
index 0b0795e..b2b11c3 100644
--- a/drivers/net/fjes/fjes_hw.c
+++ b/drivers/net/fjes/fjes_hw.c
@@ -745,6 +745,7 @@ void fjes_hw_raise_epstop(struct fjes_hw *hw)
case EP_PARTNER_SHARED:
fjes_hw_raise_interrupt(hw, epidx,
REG_ICTL_MASK_TXRX_STOP_REQ);
+ hw->ep_shm_info[epidx].ep_stats.send_interrupts_unshare += 1;
break;
default:
break;
@@ -1046,6 +1047,9 @@ static void fjes_hw_update_zone_task(struct work_struct *work)
break;
}
mutex_unlock(&hw->hw_info.lock);
+
+ hw->ep_shm_info[epidx].ep_stats
+ .command_register_buffer_executed += 1;
}
if (test_bit(epidx, &unshare_bit)) {
@@ -1069,6 +1073,9 @@ static void fjes_hw_update_zone_task(struct work_struct *work)
mutex_unlock(&hw->hw_info.lock);
+ hw->ep_shm_info[epidx].ep_stats
+ .command_unregister_buffer_executed += 1;
+
if (ret == 0)
fjes_hw_setup_epbuf(
&hw->ep_shm_info[epidx].tx,
@@ -1078,6 +1085,8 @@ static void fjes_hw_update_zone_task(struct work_struct *work)
if (test_bit(epidx, &irq_bit)) {
fjes_hw_raise_interrupt(hw, epidx,
REG_ICTL_MASK_TXRX_STOP_REQ);
+ hw->ep_shm_info[epidx].ep_stats
+ .send_interrupts_unshare += 1;
set_bit(epidx, &hw->txrx_stop_req_bit);
hw->ep_shm_info[epidx].tx.
diff --git a/drivers/net/fjes/fjes_hw.h b/drivers/net/fjes/fjes_hw.h
index 38be7d9..41fe418 100644
--- a/drivers/net/fjes/fjes_hw.h
+++ b/drivers/net/fjes/fjes_hw.h
@@ -235,6 +235,23 @@ union ep_buffer_info {
};
+struct fjes_drv_ep_stats {
+ u64 command_register_buffer_executed;
+ u64 command_unregister_buffer_executed;
+ u64 send_interrupts_rx;
+ u64 send_interrupts_unshare;
+ u64 send_interrupts_zoneupdate;
+ u64 receive_interrupts_rx;
+ u64 receive_interrupts_unshare;
+ u64 receive_interrupts_stop;
+ u64 receive_interrupts_zoneupdate;
+ u64 tx_buffer_full;
+ u64 tx_dropped_not_shared;
+ u64 tx_dropped_version_mismatch;
+ u64 tx_dropped_buffer_size_discrepancy;
+ u64 tx_dropped_vlan_id_mismatch;
+};
+
/* buffer pair for Extended Partition */
struct ep_share_mem_info {
struct epbuf_handler {
@@ -245,6 +262,7 @@ struct ep_share_mem_info {
} tx, rx;
struct rtnl_link_stats64 net_stats;
+ struct fjes_drv_ep_stats ep_stats;
u16 tx_status_work;
diff --git a/drivers/net/fjes/fjes_main.c b/drivers/net/fjes/fjes_main.c
index 7595415..f2327d8 100644
--- a/drivers/net/fjes/fjes_main.c
+++ b/drivers/net/fjes/fjes_main.c
@@ -363,6 +363,8 @@ static int fjes_setup_resources(struct fjes_adapter *adapter)
FJES_ZONING_STATUS_ENABLE)) {
fjes_hw_raise_interrupt(hw, epidx,
REG_ICTL_MASK_INFO_UPDATE);
+ hw->ep_shm_info[epidx].ep_stats
+ .send_interrupts_zoneupdate += 1;
}
}
@@ -392,6 +394,9 @@ static int fjes_setup_resources(struct fjes_adapter *adapter)
adapter->force_reset = true;
return result;
}
+
+ hw->ep_shm_info[epidx].ep_stats
+ .command_register_buffer_executed += 1;
}
}
@@ -419,6 +424,9 @@ static void fjes_free_resources(struct fjes_adapter *adapter)
if (result)
reset_flag = true;
+ hw->ep_shm_info[epidx].ep_stats
+ .command_unregister_buffer_executed += 1;
+
buf_pair = &hw->ep_shm_info[epidx];
fjes_hw_setup_epbuf(&buf_pair->tx,
@@ -555,6 +563,7 @@ static void fjes_raise_intr_rxdata_task(struct work_struct *work)
!(hw->ep_shm_info[epid].rx.info->v1i.rx_status)) {
fjes_hw_raise_interrupt(hw, epid,
REG_ICTL_MASK_RX_DATA);
+ hw->ep_shm_info[epid].ep_stats.send_interrupts_rx += 1;
}
}
@@ -651,6 +660,9 @@ fjes_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
pstatus = fjes_hw_get_partner_ep_status(hw, dest_epid);
if (pstatus != EP_PARTNER_SHARED) {
+ if (!is_multi)
+ hw->ep_shm_info[dest_epid].ep_stats
+ .tx_dropped_not_shared += 1;
ret = NETDEV_TX_OK;
} else if (!fjes_hw_check_epbuf_version(
&adapter->hw.ep_shm_info[dest_epid].rx, 0)) {
@@ -658,6 +670,8 @@ fjes_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
adapter->stats64.tx_carrier_errors += 1;
hw->ep_shm_info[my_epid].net_stats
.tx_carrier_errors += 1;
+ hw->ep_shm_info[dest_epid].ep_stats
+ .tx_dropped_version_mismatch += 1;
ret = NETDEV_TX_OK;
} else if (!fjes_hw_check_mtu(
@@ -667,12 +681,16 @@ fjes_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
hw->ep_shm_info[my_epid].net_stats.tx_dropped += 1;
adapter->stats64.tx_errors += 1;
hw->ep_shm_info[my_epid].net_stats.tx_errors += 1;
+ hw->ep_shm_info[dest_epid].ep_stats
+ .tx_dropped_buffer_size_discrepancy += 1;
ret = NETDEV_TX_OK;
} else if (vlan &&
!fjes_hw_check_vlan_id(
&adapter->hw.ep_shm_info[dest_epid].rx,
vlan_id)) {
+ hw->ep_shm_info[dest_epid].ep_stats
+ .tx_dropped_vlan_id_mismatch += 1;
ret = NETDEV_TX_OK;
} else {
if (len < VLAN_ETH_HLEN) {
@@ -706,6 +724,8 @@ fjes_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
ret = NETDEV_TX_OK;
} else {
netdev->trans_start = jiffies;
+ hw->ep_shm_info[dest_epid].ep_stats
+ .tx_buffer_full += 1;
netif_tx_stop_queue(cur_queue);
if (!work_pending(&adapter->tx_stall_task))
@@ -1117,21 +1137,33 @@ static irqreturn_t fjes_intr(int irq, void *data)
icr = fjes_hw_capture_interrupt_status(hw);
if (icr & REG_IS_MASK_IS_ASSERT) {
- if (icr & REG_ICTL_MASK_RX_DATA)
+ if (icr & REG_ICTL_MASK_RX_DATA) {
fjes_rx_irq(adapter, icr & REG_IS_MASK_EPID);
+ hw->ep_shm_info[icr & REG_IS_MASK_EPID].ep_stats.
+ receive_interrupts_rx += 1;
+ }
- if (icr & REG_ICTL_MASK_DEV_STOP_REQ)
+ if (icr & REG_ICTL_MASK_DEV_STOP_REQ) {
fjes_stop_req_irq(adapter, icr & REG_IS_MASK_EPID);
+ hw->ep_shm_info[icr & REG_IS_MASK_EPID].ep_stats.
+ receive_interrupts_stop += 1;
+ }
- if (icr & REG_ICTL_MASK_TXRX_STOP_REQ)
+ if (icr & REG_ICTL_MASK_TXRX_STOP_REQ) {
fjes_txrx_stop_req_irq(adapter, icr & REG_IS_MASK_EPID);
+ hw->ep_shm_info[icr & REG_IS_MASK_EPID].ep_stats.
+ receive_interrupts_unshare += 1;
+ }
if (icr & REG_ICTL_MASK_TXRX_STOP_DONE)
fjes_hw_set_irqmask(hw,
REG_ICTL_MASK_TXRX_STOP_DONE, true);
- if (icr & REG_ICTL_MASK_INFO_UPDATE)
+ if (icr & REG_ICTL_MASK_INFO_UPDATE) {
fjes_update_zone_irq(adapter, icr & REG_IS_MASK_EPID);
+ hw->ep_shm_info[icr & REG_IS_MASK_EPID].ep_stats.
+ receive_interrupts_zoneupdate += 1;
+ }
ret = IRQ_HANDLED;
} else {
@@ -1506,6 +1538,9 @@ static void fjes_watch_unshare_task(struct work_struct *work)
}
mutex_unlock(&hw->hw_info.lock);
+ hw->ep_shm_info[epidx].ep_stats
+ .command_unregister_buffer_executed += 1;
+
fjes_hw_setup_epbuf(&hw->ep_shm_info[epidx].tx,
netdev->dev_addr, netdev->mtu);
@@ -1545,6 +1580,9 @@ static void fjes_watch_unshare_task(struct work_struct *work)
}
mutex_unlock(&hw->hw_info.lock);
+ hw->ep_shm_info[epidx].ep_stats
+ .command_unregister_buffer_executed += 1;
+
fjes_hw_setup_epbuf(
&hw->ep_shm_info[epidx].tx,
netdev->dev_addr, netdev->mtu);
--
2.4.3
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