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Date: Mon, 2 Jul 2012 19:41:52 -0400
From: Jitendra Kalsaria <jitendra.kalsaria@...gic.com>
To: davem@...emloft.net
Cc: netdev@...r.kernel.org, ron.mercer@...gic.com,
Dept_NX_Linux_NIC_Driver@...gic.com,
Jitendra Kalsaria <jitendra.kalsaria@...gic.com>
Subject: [PATCH net 5/7] qlge: Categorize receive frame errors from firmware.
From: Jitendra Kalsaria <jitendra.kalsaria@...gic.com>
Signed-off-by: Jitendra Kalsaria <jitendra.kalsaria@...gic.com>
---
drivers/net/ethernet/qlogic/qlge/qlge.h | 8 +++
drivers/net/ethernet/qlogic/qlge/qlge_ethtool.c | 14 +++++
drivers/net/ethernet/qlogic/qlge/qlge_main.c | 63 +++++++++++++----------
3 files changed, 58 insertions(+), 27 deletions(-)
diff --git a/drivers/net/ethernet/qlogic/qlge/qlge.h b/drivers/net/ethernet/qlogic/qlge/qlge.h
index 5a639df..e81bbb7 100644
--- a/drivers/net/ethernet/qlogic/qlge/qlge.h
+++ b/drivers/net/ethernet/qlogic/qlge/qlge.h
@@ -1535,6 +1535,14 @@ struct nic_stats {
u64 rx_1024_to_1518_pkts;
u64 rx_1519_to_max_pkts;
u64 rx_len_err_pkts;
+ /* Receive Mac Err stats */
+ u64 rx_code_err;
+ u64 rx_oversize_err;
+ u64 rx_undersize_err;
+ u64 rx_preamble_err;
+ u64 rx_frame_len_err;
+ u64 rx_crc_err;
+ u64 rx_err_count;
/*
* These stats come from offset 500h to 5C8h
* in the XGMAC register.
diff --git a/drivers/net/ethernet/qlogic/qlge/qlge_ethtool.c b/drivers/net/ethernet/qlogic/qlge/qlge_ethtool.c
index 31ee6dc..7163f5d 100644
--- a/drivers/net/ethernet/qlogic/qlge/qlge_ethtool.c
+++ b/drivers/net/ethernet/qlogic/qlge/qlge_ethtool.c
@@ -226,6 +226,13 @@ static char ql_stats_str_arr[][ETH_GSTRING_LEN] = {
{"rx_1024_to_1518_pkts"},
{"rx_1519_to_max_pkts"},
{"rx_len_err_pkts"},
+ {"rx_code_err"},
+ {"rx_oversize_err"},
+ {"rx_undersize_err"},
+ {"rx_preamble_err"},
+ {"rx_frame_len_err"},
+ {"rx_crc_err"},
+ {"rx_err_count"},
{"tx_cbfc_pause_frames0"},
{"tx_cbfc_pause_frames1"},
{"tx_cbfc_pause_frames2"},
@@ -320,6 +327,13 @@ ql_get_ethtool_stats(struct net_device *ndev,
*data++ = s->rx_1024_to_1518_pkts;
*data++ = s->rx_1519_to_max_pkts;
*data++ = s->rx_len_err_pkts;
+ *data++ = s->rx_code_err;
+ *data++ = s->rx_oversize_err;
+ *data++ = s->rx_undersize_err;
+ *data++ = s->rx_preamble_err;
+ *data++ = s->rx_frame_len_err;
+ *data++ = s->rx_crc_err;
+ *data++ = s->rx_err_count;
*data++ = s->tx_cbfc_pause_frames0;
*data++ = s->tx_cbfc_pause_frames1;
*data++ = s->tx_cbfc_pause_frames2;
diff --git a/drivers/net/ethernet/qlogic/qlge/qlge_main.c b/drivers/net/ethernet/qlogic/qlge/qlge_main.c
index 9ecd15f..06dfafe 100644
--- a/drivers/net/ethernet/qlogic/qlge/qlge_main.c
+++ b/drivers/net/ethernet/qlogic/qlge/qlge_main.c
@@ -1433,6 +1433,36 @@ map_error:
return NETDEV_TX_BUSY;
}
+/* Categorizing receive firmware frame errors */
+static void ql_categorize_rx_err(struct ql_adapter *qdev, u8 rx_err)
+{
+ struct nic_stats *stats = &qdev->nic_stats;
+
+ stats->rx_err_count++;
+
+ switch (rx_err & IB_MAC_IOCB_RSP_ERR_MASK) {
+ case IB_MAC_IOCB_RSP_ERR_CODE_ERR:
+ stats->rx_code_err++;
+ break;
+ case IB_MAC_IOCB_RSP_ERR_OVERSIZE:
+ stats->rx_oversize_err++;
+ break;
+ case IB_MAC_IOCB_RSP_ERR_UNDERSIZE:
+ stats->rx_undersize_err++;
+ break;
+ case IB_MAC_IOCB_RSP_ERR_PREAMBLE:
+ stats->rx_preamble_err++;
+ break;
+ case IB_MAC_IOCB_RSP_ERR_FRAME_LEN:
+ stats->rx_frame_len_err++;
+ break;
+ case IB_MAC_IOCB_RSP_ERR_CRC:
+ stats->rx_crc_err++;
+ default:
+ break;
+ }
+}
+
/* Process an inbound completion from an rx ring. */
static void ql_process_mac_rx_gro_page(struct ql_adapter *qdev,
struct rx_ring *rx_ring,
@@ -1499,15 +1529,6 @@ static void ql_process_mac_rx_page(struct ql_adapter *qdev,
addr = lbq_desc->p.pg_chunk.va;
prefetch(addr);
-
- /* Frame error, so drop the packet. */
- if (ib_mac_rsp->flags2 & IB_MAC_IOCB_RSP_ERR_MASK) {
- netif_info(qdev, drv, qdev->ndev,
- "Receive error, flags2 = 0x%x\n", ib_mac_rsp->flags2);
- rx_ring->rx_errors++;
- goto err_out;
- }
-
/* The max framesize filter on this chip is set higher than
* MTU since FCoE uses 2k frames.
*/
@@ -1593,15 +1614,6 @@ static void ql_process_mac_rx_skb(struct ql_adapter *qdev,
memcpy(skb_put(new_skb, length), skb->data, length);
skb = new_skb;
- /* Frame error, so drop the packet. */
- if (ib_mac_rsp->flags2 & IB_MAC_IOCB_RSP_ERR_MASK) {
- netif_info(qdev, drv, qdev->ndev,
- "Receive error, flags2 = 0x%x\n", ib_mac_rsp->flags2);
- dev_kfree_skb_any(skb);
- rx_ring->rx_errors++;
- return;
- }
-
/* loopback self test for ethtool */
if (test_bit(QL_SELFTEST, &qdev->flags)) {
ql_check_lb_frame(qdev, skb);
@@ -1908,15 +1920,6 @@ static void ql_process_mac_split_rx_intr(struct ql_adapter *qdev,
return;
}
- /* Frame error, so drop the packet. */
- if (ib_mac_rsp->flags2 & IB_MAC_IOCB_RSP_ERR_MASK) {
- netif_info(qdev, drv, qdev->ndev,
- "Receive error, flags2 = 0x%x\n", ib_mac_rsp->flags2);
- dev_kfree_skb_any(skb);
- rx_ring->rx_errors++;
- return;
- }
-
/* The max framesize filter on this chip is set higher than
* MTU since FCoE uses 2k frames.
*/
@@ -1999,6 +2002,12 @@ static unsigned long ql_process_mac_rx_intr(struct ql_adapter *qdev,
QL_DUMP_IB_MAC_RSP(ib_mac_rsp);
+ /* Frame error, so drop the packet. */
+ if (ib_mac_rsp->flags2 & IB_MAC_IOCB_RSP_ERR_MASK) {
+ ql_categorize_rx_err(qdev, ib_mac_rsp->flags2);
+ return (unsigned long)length;
+ }
+
if (ib_mac_rsp->flags4 & IB_MAC_IOCB_RSP_HV) {
/* The data and headers are split into
* separate buffers.
--
1.7.1
--
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