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Date: Wed, 23 Apr 2008 11:15:03 -0700
From: Matheos Worku <Matheos.Worku@....COM>
To: netdev@...r.kernel.org, David Miller <davem@...emloft.net>,
Matheos Worku <Matheos.Worku@....COM>
Subject: [PATCH 1/2] [NIU] Determine the # of ports from the card's VPD data.
Signed-off-by: Matheos Worku <matheos.worku@....com>
---
drivers/net/niu.c | 57
++++++++++++++++++++++++++++++++++++++++++----------
drivers/net/niu.h | 11 +++++++++-
2 files changed, 56 insertions(+), 12 deletions(-)
diff --git a/drivers/net/niu.c b/drivers/net/niu.c
index 7565c2d..c1fcd07 100644
--- a/drivers/net/niu.c
+++ b/drivers/net/niu.c
@@ -6773,6 +6773,28 @@ static int __devinit
niu_phy_type_prop_decode(struct niu *np,
return 0;
}
+#define NIU_BMD_MATCHES(np, md_str) \
+ (!strncmp(np->vpd.board_model, md_str, strlen(md_str)))
+
+static int niu_pci_vpd_get_nports(struct niu *np)
+{
+ int ports = 0;
+
+ if ((NIU_BMD_MATCHES(np, NIU_QGC_LP_BM_STR)) ||
+ (NIU_BMD_MATCHES(np, NIU_QGC_PEM_BM_STR)) ||
+ (NIU_BMD_MATCHES(np, NIU_ALONSO_BM_STR))) {
+ ports = 4;
+ } else if ((NIU_BMD_MATCHES(np, NIU_2XGF_LP_BM_STR)) ||
+ (NIU_BMD_MATCHES(np, NIU_2XGF_PEM_BM_STR)) ||
+ (NIU_BMD_MATCHES(np, NIU_FOXXY_BM_STR)) ||
+ (NIU_BMD_MATCHES(np, NIU_2XGF_MRVL_BM_STR))) {
+ ports = 2;
+ }
+
+ return (ports);
+}
+
+
static void __devinit niu_pci_vpd_validate(struct niu *np)
{
struct net_device *dev = np->dev;
@@ -6976,6 +6998,7 @@ static int __devinit niu_pci_probe_sprom(struct
niu *np)
return 0;
}
+
static int __devinit niu_get_and_validate_port(struct niu *np)
{
struct niu_parent *parent = np->parent;
@@ -6987,11 +7010,15 @@ static int __devinit
niu_get_and_validate_port(struct niu *np)
if (parent->plat_type == PLAT_TYPE_NIU) {
parent->num_ports = 2;
} else {
- parent->num_ports = nr64(ESPC_NUM_PORTS_MACS) &
- ESPC_NUM_PORTS_MACS_VAL;
-
- if (!parent->num_ports)
- parent->num_ports = 4;
+ parent->num_ports = niu_pci_vpd_get_nports(np);
+ if (!parent->num_ports) {
+ /* fall back to SPROM as last resort. will fail on most cards*/
+ parent->num_ports = nr64(ESPC_NUM_PORTS_MACS) &
+ ESPC_NUM_PORTS_MACS_VAL;
+
+ if (!parent->num_ports)
+ return -ENODEV;
+ }
}
}
@@ -7733,15 +7760,16 @@ static int __devinit niu_get_invariants(struct
niu *np)
have_props = !err;
- err = niu_get_and_validate_port(np);
- if (err)
- return err;
-
err = niu_init_mac_ipp_pcs_base(np);
if (err)
return err;
- if (!have_props) {
+ if (have_props) {
+ err = niu_get_and_validate_port(np);
+ if (err)
+ return err;
+
+ } else {
if (np->parent->plat_type == PLAT_TYPE_NIU)
return -EINVAL;
@@ -7753,10 +7781,17 @@ static int __devinit niu_get_invariants(struct
niu *np)
niu_pci_vpd_fetch(np, offset);
nw64(ESPC_PIO_EN, 0);
- if (np->flags & NIU_FLAGS_VPD_VALID)
+ if (np->flags & NIU_FLAGS_VPD_VALID) {
niu_pci_vpd_validate(np);
+ err = niu_get_and_validate_port(np);
+ if (err)
+ return err;
+ }
if (!(np->flags & NIU_FLAGS_VPD_VALID)) {
+ err = niu_get_and_validate_port(np);
+ if (err)
+ return err;
err = niu_pci_probe_sprom(np);
if (err)
return err;
diff --git a/drivers/net/niu.h b/drivers/net/niu.h
index 336aed0..0343c08 100644
--- a/drivers/net/niu.h
+++ b/drivers/net/niu.h
@@ -2936,6 +2936,16 @@ struct rx_ring_info {
#define MAC_NUM_HASH 16
#define NIU_MAX_MTU 9216
+/* vpd strings */
+
+#define NIU_QGC_LP_BM_STR "501-7606"
+#define NIU_2XGF_LP_BM_STR "501-7283"
+#define NIU_QGC_PEM_BM_STR "501-7765"
+#define NIU_2XGF_PEM_BM_STR "501-7626"
+#define NIU_ALONSO_BM_STR "373-0202"
+#define NIU_ALONSO_MODEL_STR "SUNW,CP3220"
+#define NIU_FOXXY_BM_STR "501-7961"
+#define NIU_2XGF_MRVL_BM_STR "SK-6E82"
#define NIU_VPD_MIN_MAJOR 3
#define NIU_VPD_MIN_MINOR 4
@@ -3233,7 +3243,6 @@ struct niu {
struct timer_list timer;
const struct niu_phy_ops *phy_ops;
int phy_addr;
-
struct niu_link_config link_config;
struct work_struct reset_task;
-- 1.5.2
--
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