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Date: Mon, 30 Jan 2012 11:47:39 +0530
From: Sathya Perla <sathya.perla@...lex.com>
To: <netdev@...r.kernel.org>
Subject: [net-next PATCH] be2net: add descriptions for stat counters reported via ethtool
Also rename a few counters appropritely and delete 2 counters that are not
implemented in HW.
vlan_mismatch_drops does not exist in BE3 and is accounted for in
address_mismatch_drops. Do the same thing for BE2 and Lancer.
Signed-off-by: Sathya Perla <sathya.perla@...lex.com>
---
drivers/net/ethernet/emulex/benet/be.h | 3 +-
drivers/net/ethernet/emulex/benet/be_cmds.h | 10 ++--
drivers/net/ethernet/emulex/benet/be_ethtool.c | 64 ++++++++++++++++++++++-
drivers/net/ethernet/emulex/benet/be_main.c | 15 +++---
4 files changed, 74 insertions(+), 18 deletions(-)
diff --git a/drivers/net/ethernet/emulex/benet/be.h b/drivers/net/ethernet/emulex/benet/be.h
index 453d486..74aa148 100644
--- a/drivers/net/ethernet/emulex/benet/be.h
+++ b/drivers/net/ethernet/emulex/benet/be.h
@@ -265,7 +265,6 @@ struct be_drv_stats {
u32 rx_drops_no_erx_descr;
u32 rx_drops_no_tpre_descr;
u32 rx_drops_too_many_frags;
- u32 rx_drops_invalid_ring;
u32 forwarded_packets;
u32 rx_drops_mtu;
u32 rx_crc_errors;
@@ -276,7 +275,7 @@ struct be_drv_stats {
u32 rx_in_range_errors;
u32 rx_out_range_errors;
u32 rx_frame_too_long;
- u32 rx_address_match_errors;
+ u32 rx_address_mismatch_drops;
u32 rx_dropped_too_small;
u32 rx_dropped_too_short;
u32 rx_dropped_header_too_small;
diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.h b/drivers/net/ethernet/emulex/benet/be_cmds.h
index dca8924..bbd012b 100644
--- a/drivers/net/ethernet/emulex/benet/be_cmds.h
+++ b/drivers/net/ethernet/emulex/benet/be_cmds.h
@@ -592,8 +592,8 @@ struct be_port_rxf_stats_v0 {
u32 rx_in_range_errors; /* dword 10*/
u32 rx_out_range_errors; /* dword 11*/
u32 rx_frame_too_long; /* dword 12*/
- u32 rx_address_match_errors; /* dword 13*/
- u32 rx_vlan_mismatch; /* dword 14*/
+ u32 rx_address_mismatch_drops; /* dword 13*/
+ u32 rx_vlan_mismatch_drops; /* dword 14*/
u32 rx_dropped_too_small; /* dword 15*/
u32 rx_dropped_too_short; /* dword 16*/
u32 rx_dropped_header_too_small; /* dword 17*/
@@ -799,8 +799,8 @@ struct lancer_pport_stats {
u32 rx_control_frames_unknown_opcode_hi;
u32 rx_in_range_errors;
u32 rx_out_of_range_errors;
- u32 rx_address_match_errors;
- u32 rx_vlan_mismatch_errors;
+ u32 rx_address_mismatch_drops;
+ u32 rx_vlan_mismatch_drops;
u32 rx_dropped_too_small;
u32 rx_dropped_too_short;
u32 rx_dropped_header_too_small;
@@ -1384,7 +1384,7 @@ struct be_port_rxf_stats_v1 {
u32 rx_in_range_errors;
u32 rx_out_range_errors;
u32 rx_frame_too_long;
- u32 rx_address_match_errors;
+ u32 rx_address_mismatch_drops;
u32 rx_dropped_too_small;
u32 rx_dropped_too_short;
u32 rx_dropped_header_too_small;
diff --git a/drivers/net/ethernet/emulex/benet/be_ethtool.c b/drivers/net/ethernet/emulex/benet/be_ethtool.c
index 6db6b6a..0a5ee22 100644
--- a/drivers/net/ethernet/emulex/benet/be_ethtool.c
+++ b/drivers/net/ethernet/emulex/benet/be_ethtool.c
@@ -42,15 +42,42 @@ static const struct be_ethtool_stat et_stats[] = {
{DRVSTAT_INFO(rx_alignment_symbol_errors)},
{DRVSTAT_INFO(rx_pause_frames)},
{DRVSTAT_INFO(rx_control_frames)},
+ /* Received packets dropped when the Ethernet length field
+ * is not equal to the actual Ethernet data length.
+ */
{DRVSTAT_INFO(rx_in_range_errors)},
+ /* Received packets dropped when their length field is >= 1501 bytes
+ * and <= 1535 bytes.
+ */
{DRVSTAT_INFO(rx_out_range_errors)},
+ /* Received packets dropped when they are longer than 9216 bytes */
{DRVSTAT_INFO(rx_frame_too_long)},
- {DRVSTAT_INFO(rx_address_match_errors)},
+ /* Received packets dropped when they don't pass the unicast or
+ * multicast address filtering.
+ */
+ {DRVSTAT_INFO(rx_address_mismatch_drops)},
+ /* Received packets dropped when IP packet length field is less than
+ * the IP header length field.
+ */
{DRVSTAT_INFO(rx_dropped_too_small)},
+ /* Received packets dropped when IP length field is greater than
+ * the actual packet length.
+ */
{DRVSTAT_INFO(rx_dropped_too_short)},
+ /* Received packets dropped when the IP header length field is less
+ * than 5.
+ */
{DRVSTAT_INFO(rx_dropped_header_too_small)},
+ /* Received packets dropped when the TCP header length field is less
+ * than 5 or the TCP header length + IP header length is more
+ * than IP packet length.
+ */
{DRVSTAT_INFO(rx_dropped_tcp_length)},
{DRVSTAT_INFO(rx_dropped_runt)},
+ /* Number of received packets dropped when a fifo for descriptors going
+ * into the packet demux block overflows. In normal operation, this
+ * fifo must never overflow.
+ */
{DRVSTAT_INFO(rxpp_fifo_overflow_drop)},
{DRVSTAT_INFO(rx_input_fifo_overflow_drop)},
{DRVSTAT_INFO(rx_ip_checksum_errs)},
@@ -59,16 +86,35 @@ static const struct be_ethtool_stat et_stats[] = {
{DRVSTAT_INFO(tx_pauseframes)},
{DRVSTAT_INFO(tx_controlframes)},
{DRVSTAT_INFO(rx_priority_pause_frames)},
+ /* Received packets dropped when an internal fifo going into
+ * main packet buffer tank (PMEM) overflows.
+ */
{DRVSTAT_INFO(pmem_fifo_overflow_drop)},
{DRVSTAT_INFO(jabber_events)},
+ /* Received packets dropped due to lack of available HW packet buffers
+ * used to temporarily hold the received packets.
+ */
{DRVSTAT_INFO(rx_drops_no_pbuf)},
- {DRVSTAT_INFO(rx_drops_no_txpb)},
+ /* Received packets dropped due to input receive buffer
+ * descriptor fifo overflowing.
+ */
{DRVSTAT_INFO(rx_drops_no_erx_descr)},
+ /* Packets dropped because the internal FIFO to the offloaded TCP
+ * receive processing block is full. This could happen only for
+ * offloaded iSCSI or FCoE trarffic.
+ */
{DRVSTAT_INFO(rx_drops_no_tpre_descr)},
+ /* Received packets dropped when they need more than 8
+ * receive buffers. This cannot happen as the driver configures
+ * 2048 byte receive buffers.
+ */
{DRVSTAT_INFO(rx_drops_too_many_frags)},
- {DRVSTAT_INFO(rx_drops_invalid_ring)},
{DRVSTAT_INFO(forwarded_packets)},
+ /* Received packets dropped when the frame length
+ * is more than 9018 bytes
+ */
{DRVSTAT_INFO(rx_drops_mtu)},
+ /* Number of packets dropped due to random early drop function */
{DRVSTAT_INFO(eth_red_drops)},
{DRVSTAT_INFO(be_on_die_temperature)}
};
@@ -84,8 +130,15 @@ static const struct be_ethtool_stat et_rx_stats[] = {
{DRVSTAT_RX_INFO(rx_events)},
{DRVSTAT_RX_INFO(rx_compl)},
{DRVSTAT_RX_INFO(rx_mcast_pkts)},
+ /* Number of page allocation failures while posting receive buffers
+ * to HW.
+ */
{DRVSTAT_RX_INFO(rx_post_fail)},
+ /* Recevied packets dropped due to skb allocation failure */
{DRVSTAT_RX_INFO(rx_drops_no_skbs)},
+ /* Received packets dropped due to lack of available fetched buffers
+ * posted by the driver.
+ */
{DRVSTAT_RX_INFO(rx_drops_no_frags)}
};
#define ETHTOOL_RXSTATS_NUM (ARRAY_SIZE(et_rx_stats))
@@ -97,9 +150,14 @@ static const struct be_ethtool_stat et_tx_stats[] = {
{DRVSTAT_TX_INFO(tx_compl)}, /* If moving this member see above note */
{DRVSTAT_TX_INFO(tx_bytes)},
{DRVSTAT_TX_INFO(tx_pkts)},
+ /* Number of skbs queued for trasmission by the driver */
{DRVSTAT_TX_INFO(tx_reqs)},
+ /* Number of TX work request blocks DMAed to HW */
{DRVSTAT_TX_INFO(tx_wrbs)},
{DRVSTAT_TX_INFO(tx_compl)},
+ /* Number of times the TX queue was stopped due to lack
+ * of spaces in the TXQ.
+ */
{DRVSTAT_TX_INFO(tx_stops)}
};
#define ETHTOOL_TXSTATS_NUM (ARRAY_SIZE(et_tx_stats))
diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c
index 0fbf365..1395f80 100644
--- a/drivers/net/ethernet/emulex/benet/be_main.c
+++ b/drivers/net/ethernet/emulex/benet/be_main.c
@@ -286,7 +286,9 @@ static void populate_be2_stats(struct be_adapter *adapter)
drvs->rx_input_fifo_overflow_drop = port_stats->rx_input_fifo_overflow;
drvs->rx_dropped_header_too_small =
port_stats->rx_dropped_header_too_small;
- drvs->rx_address_match_errors = port_stats->rx_address_match_errors;
+ drvs->rx_address_mismatch_drops =
+ port_stats->rx_address_mismatch_drops +
+ port_stats->rx_vlan_mismatch_drops;
drvs->rx_alignment_symbol_errors =
port_stats->rx_alignment_symbol_errors;
@@ -298,9 +300,7 @@ static void populate_be2_stats(struct be_adapter *adapter)
else
drvs->jabber_events = rxf_stats->port0_jabber_events;
drvs->rx_drops_no_pbuf = rxf_stats->rx_drops_no_pbuf;
- drvs->rx_drops_no_txpb = rxf_stats->rx_drops_no_txpb;
drvs->rx_drops_no_erx_descr = rxf_stats->rx_drops_no_erx_descr;
- drvs->rx_drops_invalid_ring = rxf_stats->rx_drops_invalid_ring;
drvs->forwarded_packets = rxf_stats->forwarded_packets;
drvs->rx_drops_mtu = rxf_stats->rx_drops_mtu;
drvs->rx_drops_no_tpre_descr = rxf_stats->rx_drops_no_tpre_descr;
@@ -337,7 +337,7 @@ static void populate_be3_stats(struct be_adapter *adapter)
port_stats->rx_dropped_header_too_small;
drvs->rx_input_fifo_overflow_drop =
port_stats->rx_input_fifo_overflow_drop;
- drvs->rx_address_match_errors = port_stats->rx_address_match_errors;
+ drvs->rx_address_mismatch_drops = port_stats->rx_address_mismatch_drops;
drvs->rx_alignment_symbol_errors =
port_stats->rx_alignment_symbol_errors;
drvs->rxpp_fifo_overflow_drop = port_stats->rxpp_fifo_overflow_drop;
@@ -345,9 +345,7 @@ static void populate_be3_stats(struct be_adapter *adapter)
drvs->tx_controlframes = port_stats->tx_controlframes;
drvs->jabber_events = port_stats->jabber_events;
drvs->rx_drops_no_pbuf = rxf_stats->rx_drops_no_pbuf;
- drvs->rx_drops_no_txpb = rxf_stats->rx_drops_no_txpb;
drvs->rx_drops_no_erx_descr = rxf_stats->rx_drops_no_erx_descr;
- drvs->rx_drops_invalid_ring = rxf_stats->rx_drops_invalid_ring;
drvs->forwarded_packets = rxf_stats->forwarded_packets;
drvs->rx_drops_mtu = rxf_stats->rx_drops_mtu;
drvs->rx_drops_no_tpre_descr = rxf_stats->rx_drops_no_tpre_descr;
@@ -380,13 +378,14 @@ static void populate_lancer_stats(struct be_adapter *adapter)
drvs->rx_dropped_header_too_small =
pport_stats->rx_dropped_header_too_small;
drvs->rx_input_fifo_overflow_drop = pport_stats->rx_fifo_overflow;
- drvs->rx_address_match_errors = pport_stats->rx_address_match_errors;
+ drvs->rx_address_mismatch_drops =
+ pport_stats->rx_address_mismatch_drops +
+ pport_stats->rx_vlan_mismatch_drops;
drvs->rx_alignment_symbol_errors = pport_stats->rx_symbol_errors_lo;
drvs->rxpp_fifo_overflow_drop = pport_stats->rx_fifo_overflow;
drvs->tx_pauseframes = pport_stats->tx_pause_frames_lo;
drvs->tx_controlframes = pport_stats->tx_control_frames_lo;
drvs->jabber_events = pport_stats->rx_jabbers;
- drvs->rx_drops_invalid_ring = pport_stats->rx_drops_invalid_queue;
drvs->forwarded_packets = pport_stats->num_forwards_lo;
drvs->rx_drops_mtu = pport_stats->rx_drops_mtu_lo;
drvs->rx_drops_too_many_frags =
--
1.7.4
--
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