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Message-ID: <869ff89d-7ae0-4044-af53-82b278e66ef2@exht2.ad.emulex.com>
Date: Thu, 3 Nov 2011 17:20:08 +0530
From: Padmanabh Ratnakar <padmanabh.ratnakar@...lex.com>
To: <netdev@...r.kernel.org>
CC: Padmanabh Ratnakar <padmanabh.ratnakar@...lex.com>
Subject: [PATCH net-next 4/4] be2net: Add detect UE feature for Lancer
Add code to detect UE in case of Lancer.
Signed-off-by: Padmanabh Ratnakar <padmanabh.ratnakar@...lex.com>
---
drivers/net/ethernet/emulex/benet/be_cmds.c | 3 +-
drivers/net/ethernet/emulex/benet/be_hw.h | 2 +
drivers/net/ethernet/emulex/benet/be_main.c | 60 ++++++++++++++++++---------
3 files changed, 43 insertions(+), 22 deletions(-)
diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.c b/drivers/net/ethernet/emulex/benet/be_cmds.c
index 03fe7cd..2c7b366 100644
--- a/drivers/net/ethernet/emulex/benet/be_cmds.c
+++ b/drivers/net/ethernet/emulex/benet/be_cmds.c
@@ -318,8 +318,7 @@ static int be_mbox_db_ready_wait(struct be_adapter *adapter, void __iomem *db)
if (msecs > 4000) {
dev_err(&adapter->pdev->dev, "mbox poll timed out\n");
- if (!lancer_chip(adapter))
- be_detect_dump_ue(adapter);
+ be_detect_dump_ue(adapter);
return -1;
}
diff --git a/drivers/net/ethernet/emulex/benet/be_hw.h b/drivers/net/ethernet/emulex/benet/be_hw.h
index fbc8a91..f2c89e3 100644
--- a/drivers/net/ethernet/emulex/benet/be_hw.h
+++ b/drivers/net/ethernet/emulex/benet/be_hw.h
@@ -48,6 +48,8 @@
/* Lancer SLIPORT_CONTROL SLIPORT_STATUS registers */
#define SLIPORT_STATUS_OFFSET 0x404
#define SLIPORT_CONTROL_OFFSET 0x408
+#define SLIPORT_ERROR1_OFFSET 0x40C
+#define SLIPORT_ERROR2_OFFSET 0x410
#define SLIPORT_STATUS_ERR_MASK 0x80000000
#define SLIPORT_STATUS_RN_MASK 0x01000000
diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c
index 30606f5..e0aed18 100644
--- a/drivers/net/ethernet/emulex/benet/be_main.c
+++ b/drivers/net/ethernet/emulex/benet/be_main.c
@@ -1977,42 +1977,62 @@ static int be_poll_tx_mcc(struct napi_struct *napi, int budget)
void be_detect_dump_ue(struct be_adapter *adapter)
{
- u32 ue_status_lo, ue_status_hi, ue_status_lo_mask, ue_status_hi_mask;
+ u32 ue_lo = 0, ue_hi = 0, ue_lo_mask = 0, ue_hi_mask = 0;
+ u32 sliport_status = 0, sliport_err1 = 0, sliport_err2 = 0;
u32 i;
- pci_read_config_dword(adapter->pdev,
- PCICFG_UE_STATUS_LOW, &ue_status_lo);
- pci_read_config_dword(adapter->pdev,
- PCICFG_UE_STATUS_HIGH, &ue_status_hi);
- pci_read_config_dword(adapter->pdev,
- PCICFG_UE_STATUS_LOW_MASK, &ue_status_lo_mask);
- pci_read_config_dword(adapter->pdev,
- PCICFG_UE_STATUS_HI_MASK, &ue_status_hi_mask);
+ if (lancer_chip(adapter)) {
+ sliport_status = ioread32(adapter->db + SLIPORT_STATUS_OFFSET);
+ if (sliport_status & SLIPORT_STATUS_ERR_MASK) {
+ sliport_err1 = ioread32(adapter->db +
+ SLIPORT_ERROR1_OFFSET);
+ sliport_err2 = ioread32(adapter->db +
+ SLIPORT_ERROR2_OFFSET);
+ }
+ } else {
+ pci_read_config_dword(adapter->pdev,
+ PCICFG_UE_STATUS_LOW, &ue_lo);
+ pci_read_config_dword(adapter->pdev,
+ PCICFG_UE_STATUS_HIGH, &ue_hi);
+ pci_read_config_dword(adapter->pdev,
+ PCICFG_UE_STATUS_LOW_MASK, &ue_lo_mask);
+ pci_read_config_dword(adapter->pdev,
+ PCICFG_UE_STATUS_HI_MASK, &ue_hi_mask);
- ue_status_lo = (ue_status_lo & (~ue_status_lo_mask));
- ue_status_hi = (ue_status_hi & (~ue_status_hi_mask));
+ ue_lo = (ue_lo & (~ue_lo_mask));
+ ue_hi = (ue_hi & (~ue_hi_mask));
+ }
- if (ue_status_lo || ue_status_hi) {
+ if (ue_lo || ue_hi ||
+ sliport_status & SLIPORT_STATUS_ERR_MASK) {
adapter->ue_detected = true;
adapter->eeh_err = true;
dev_err(&adapter->pdev->dev, "UE Detected!!\n");
}
- if (ue_status_lo) {
- for (i = 0; ue_status_lo; ue_status_lo >>= 1, i++) {
- if (ue_status_lo & 1)
+ if (ue_lo) {
+ for (i = 0; ue_lo; ue_lo >>= 1, i++) {
+ if (ue_lo & 1)
dev_err(&adapter->pdev->dev,
"UE: %s bit set\n", ue_status_low_desc[i]);
}
}
- if (ue_status_hi) {
- for (i = 0; ue_status_hi; ue_status_hi >>= 1, i++) {
- if (ue_status_hi & 1)
+ if (ue_hi) {
+ for (i = 0; ue_hi; ue_hi >>= 1, i++) {
+ if (ue_hi & 1)
dev_err(&adapter->pdev->dev,
"UE: %s bit set\n", ue_status_hi_desc[i]);
}
}
+ if (sliport_status & SLIPORT_STATUS_ERR_MASK) {
+ dev_err(&adapter->pdev->dev,
+ "sliport status 0x%x\n", sliport_status);
+ dev_err(&adapter->pdev->dev,
+ "sliport error1 0x%x\n", sliport_err1);
+ dev_err(&adapter->pdev->dev,
+ "sliport error2 0x%x\n", sliport_err2);
+ }
}
static void be_worker(struct work_struct *work)
@@ -2022,7 +2042,7 @@ static void be_worker(struct work_struct *work)
struct be_rx_obj *rxo;
int i;
- if (!adapter->ue_detected && !lancer_chip(adapter))
+ if (!adapter->ue_detected)
be_detect_dump_ue(adapter);
/* when interrupts are not yet enabled, just reap any pending
--
1.6.0.2
--
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