@@ -46,17 +46,19 @@
#include <linux/spinlock.h>
#include <linux/timer.h>
#include <linux/vmalloc.h>
+#include <linux/etherdevice.h>
#include <asm/io.h>
#include "cxgb4_uld.h"
#define CH_WARN(adap, fmt, ...) dev_warn(adap->pdev_dev, fmt, ## __VA_ARGS__)
enum {
- MAX_NPORTS = 4, /* max # of ports */
- SERNUM_LEN = 24, /* Serial # length */
- EC_LEN = 16, /* E/C length */
- ID_LEN = 16, /* ID length */
- PN_LEN = 16, /* Part Number length */
+ MAX_NPORTS = 4, /* max # of ports */
+ SERNUM_LEN = 24, /* Serial # length */
+ EC_LEN = 16, /* E/C length */
+ ID_LEN = 16, /* ID length */
+ PN_LEN = 16, /* Part Number length */
+ MACADDR_LEN = 12, /* MAC Address length */
};
enum {
@@ -280,6 +282,7 @@ struct vpd_params {
u8 sn[SERNUM_LEN + 1];
u8 id[ID_LEN + 1];
u8 pn[PN_LEN + 1];
+ u8 na[MACADDR_LEN + 1];
};
struct pci_params {
@@ -946,6 +949,22 @@ static inline void t4_write_reg64(struct adapter *adap, u32 reg_addr, u64 val)
}
/**
+ * t4_set_hw_addr - store a port's MAC address in SW
+ * @adapter: the adapter
+ * @port_idx: the port index
+ * @hw_addr: the Ethernet address
+ *
+ * Store the Ethernet address of the given port in SW. Called by the common
+ * code when it retrieves a port's Ethernet address from EEPROM.
+ */
+static inline void t4_set_hw_addr(struct adapter *adapter, int port_idx,
+ u8 hw_addr[])
+{
+ ether_addr_copy(adapter->port[port_idx]->dev_addr, hw_addr);
+ ether_addr_copy(adapter->port[port_idx]->perm_addr, hw_addr);
+}
+
+/**
* netdev2pinfo - return the port_info structure associated with a net_device
* @dev: the netdev
*
@@ -1251,7 +1270,8 @@ unsigned int t4_get_regs_len(struct adapter *adapter);
void t4_get_regs(struct adapter *adap, void *buf, size_t buf_size);
int t4_seeprom_wp(struct adapter *adapter, bool enable);
-int get_vpd_params(struct adapter *adapter, struct vpd_params *p);
+int t4_get_raw_vpd_params(struct adapter *adapter, struct vpd_params *p);
+int t4_get_vpd_params(struct adapter *adapter, struct vpd_params *p);
int t4_read_flash(struct adapter *adapter, unsigned int addr,
unsigned int nwords, u32 *data, int byte_oriented);
int t4_load_fw(struct adapter *adapter, const u8 *fw_data, unsigned int size);
@@ -3712,7 +3712,7 @@ static int adap_init0(struct adapter *adap)
* the firmware. On the other hand, we need these fairly early on
* so we do this right after getting ahold of the firmware.
*/
- ret = get_vpd_params(adap, &adap->params.vpd);
+ ret = t4_get_vpd_params(adap, &adap->params.vpd);
if (ret < 0)
goto bye;
@@ -4735,10 +4735,25 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
err = t4_port_init(adapter, func, func, 0);
if (err)
goto out_free_dev;
+ } else if (adapter->params.nports == 1) {
+ /* If we don't have a connection to the firmware -- possibly
+ * because of an error -- grab the raw VPD parameters so we
+ * can set the proper MAC Address on the debug network
+ * interface that we've created.
+ */
+ u8 hw_addr[ETH_ALEN];
+ u8 *na = adapter->params.vpd.na;
+
+ err = t4_get_raw_vpd_params(adapter, &adapter->params.vpd);
+ if (!err) {
+ for (i = 0; i < ETH_ALEN; i++)
+ hw_addr[i] = (hex2val(na[2 * i + 0]) * 16 +
+ hex2val(na[2 * i + 1]));
+ t4_set_hw_addr(adapter, 0, hw_addr);
+ }
}
- /*
- * Configure queues and allocate tables now, they can be needed as
+ /* Configure queues and allocate tables now, they can be needed as
* soon as the first register_netdev completes.
*/
cfg_queues(adapter);
@@ -1729,17 +1729,16 @@ int t4_seeprom_wp(struct adapter *adapter, bool enable)
}
/**
- * get_vpd_params - read VPD parameters from VPD EEPROM
+ * t4_get_raw_vpd_params - read VPD parameters from VPD EEPROM
* @adapter: adapter to read
* @p: where to store the parameters
*
* Reads card parameters stored in VPD EEPROM.
*/
-int get_vpd_params(struct adapter *adapter, struct vpd_params *p)
+int t4_get_raw_vpd_params(struct adapter *adapter, struct vpd_params *p)
{
- u32 cclk_param, cclk_val;
- int i, ret, addr;
- int ec, sn, pn;
+ int i, ret = 0, addr;
+ int ec, sn, pn, na;
u8 *vpd, csum;
unsigned int vpdr_len, kw_offset, id_len;
@@ -1747,6 +1746,9 @@ int get_vpd_params(struct adapter *adapter, struct vpd_params *p)
if (!vpd)
return -ENOMEM;
+ /* Card information normally starts at VPD_BASE but early cards had
+ * it at 0.
+ */
ret = pci_read_vpd(adapter->pdev, VPD_BASE, sizeof(u32), vpd);
if (ret < 0)
goto out;
@@ -1812,6 +1814,7 @@ int get_vpd_params(struct adapter *adapter, struct vpd_params *p)
FIND_VPD_KW(ec, "EC");
FIND_VPD_KW(sn, "SN");
FIND_VPD_KW(pn, "PN");
+ FIND_VPD_KW(na, "NA");
#undef FIND_VPD_KW
memcpy(p->id, vpd + PCI_VPD_LRDT_TAG_SIZE, id_len);
@@ -1824,18 +1827,42 @@ int get_vpd_params(struct adapter *adapter, struct vpd_params *p)
i = pci_vpd_info_field_size(vpd + pn - PCI_VPD_INFO_FLD_HDR_SIZE);
memcpy(p->pn, vpd + pn, min(i, PN_LEN));
strim(p->pn);
+ memcpy(p->na, vpd + na, min(i, MACADDR_LEN));
+ strim((char *)p->na);
- /*
- * Ask firmware for the Core Clock since it knows how to translate the
+out:
+ vfree(vpd);
+ return ret;
+}
+
+/**
+ * t4_get_vpd_params - read VPD parameters & retrieve Core Clock
+ * @adapter: adapter to read
+ * @p: where to store the parameters
+ *
+ * Reads card parameters stored in VPD EEPROM and retrieves the Core
+ * Clock. This can only be called after a connection to the firmware
+ * is established.
+ */
+int t4_get_vpd_params(struct adapter *adapter, struct vpd_params *p)
+{
+ u32 cclk_param, cclk_val;
+ int ret;
+
+ /* Grab the raw VPD parameters.
+ */
+ ret = t4_get_raw_vpd_params(adapter, p);
+ if (ret)
+ return ret;
+
+ /* Ask firmware for the Core Clock since it knows how to translate the
* Reference Clock ('V2') VPD field into a Core Clock value ...
*/
cclk_param = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_DEV) |
FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_DEV_CCLK));
- ret = t4_query_params(adapter, adapter->mbox, 0, 0,
+ ret = t4_query_params(adapter, adapter->mbox, adapter->pf, 0,
1, &cclk_param, &cclk_val);
-out:
- vfree(vpd);
if (ret)
return ret;
p->cclk = cclk_val;
Grab the Adapter MAC Address out of the VPD and use it for the "debug" network interface when either we can't contact the firmware Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> --- drivers/net/ethernet/chelsio/cxgb4/cxgb4.h | 32 +++++++++++++---- drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c | 21 +++++++++-- drivers/net/ethernet/chelsio/cxgb4/t4_hw.c | 47 +++++++++++++++++++------ 3 files changed, 81 insertions(+), 19 deletions(-)