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path: root/drivers/net/cxgb4/t4_hw.c
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Diffstat (limited to 'drivers/net/cxgb4/t4_hw.c')
-rw-r--r--drivers/net/cxgb4/t4_hw.c117
1 files changed, 61 insertions, 56 deletions
diff --git a/drivers/net/cxgb4/t4_hw.c b/drivers/net/cxgb4/t4_hw.c
index a814a3afe123..da272a98fdbc 100644
--- a/drivers/net/cxgb4/t4_hw.c
+++ b/drivers/net/cxgb4/t4_hw.c
@@ -53,8 +53,8 @@
* at the time it indicated completion is stored there. Returns 0 if the
* operation completes and -EAGAIN otherwise.
*/
-int t4_wait_op_done_val(struct adapter *adapter, int reg, u32 mask,
- int polarity, int attempts, int delay, u32 *valp)
+static int t4_wait_op_done_val(struct adapter *adapter, int reg, u32 mask,
+ int polarity, int attempts, int delay, u32 *valp)
{
while (1) {
u32 val = t4_read_reg(adapter, reg);
@@ -109,9 +109,9 @@ void t4_set_reg_field(struct adapter *adapter, unsigned int addr, u32 mask,
* Reads registers that are accessed indirectly through an address/data
* register pair.
*/
-void t4_read_indirect(struct adapter *adap, unsigned int addr_reg,
- unsigned int data_reg, u32 *vals, unsigned int nregs,
- unsigned int start_idx)
+static void t4_read_indirect(struct adapter *adap, unsigned int addr_reg,
+ unsigned int data_reg, u32 *vals,
+ unsigned int nregs, unsigned int start_idx)
{
while (nregs--) {
t4_write_reg(adap, addr_reg, start_idx);
@@ -120,6 +120,7 @@ void t4_read_indirect(struct adapter *adap, unsigned int addr_reg,
}
}
+#if 0
/**
* t4_write_indirect - write indirectly addressed registers
* @adap: the adapter
@@ -132,15 +133,16 @@ void t4_read_indirect(struct adapter *adap, unsigned int addr_reg,
* Writes a sequential block of registers that are accessed indirectly
* through an address/data register pair.
*/
-void t4_write_indirect(struct adapter *adap, unsigned int addr_reg,
- unsigned int data_reg, const u32 *vals,
- unsigned int nregs, unsigned int start_idx)
+static void t4_write_indirect(struct adapter *adap, unsigned int addr_reg,
+ unsigned int data_reg, const u32 *vals,
+ unsigned int nregs, unsigned int start_idx)
{
while (nregs--) {
t4_write_reg(adap, addr_reg, start_idx++);
t4_write_reg(adap, data_reg, *vals++);
}
}
+#endif
/*
* Get the reply to a mailbox command and store it in @rpl in big-endian order.
@@ -345,33 +347,21 @@ int t4_edc_read(struct adapter *adap, int idx, u32 addr, __be32 *data, u64 *ecc)
return 0;
}
-#define VPD_ENTRY(name, len) \
- u8 name##_kword[2]; u8 name##_len; u8 name##_data[len]
-
/*
* Partial EEPROM Vital Product Data structure. Includes only the ID and
- * VPD-R sections.
+ * VPD-R header.
*/
-struct t4_vpd {
+struct t4_vpd_hdr {
u8 id_tag;
u8 id_len[2];
u8 id_data[ID_LEN];
u8 vpdr_tag;
u8 vpdr_len[2];
- VPD_ENTRY(pn, 16); /* part number */
- VPD_ENTRY(ec, EC_LEN); /* EC level */
- VPD_ENTRY(sn, SERNUM_LEN); /* serial number */
- VPD_ENTRY(na, 12); /* MAC address base */
- VPD_ENTRY(port_type, 8); /* port types */
- VPD_ENTRY(gpio, 14); /* GPIO usage */
- VPD_ENTRY(cclk, 6); /* core clock */
- VPD_ENTRY(port_addr, 8); /* port MDIO addresses */
- VPD_ENTRY(rv, 1); /* csum */
- u32 pad; /* for multiple-of-4 sizing and alignment */
};
#define EEPROM_STAT_ADDR 0x7bfc
#define VPD_BASE 0
+#define VPD_LEN 512
/**
* t4_seeprom_wp - enable/disable EEPROM write protection
@@ -396,16 +386,36 @@ int t4_seeprom_wp(struct adapter *adapter, bool enable)
*/
static int get_vpd_params(struct adapter *adapter, struct vpd_params *p)
{
- int ret;
- struct t4_vpd vpd;
- u8 *q = (u8 *)&vpd, csum;
+ int i, ret;
+ int ec, sn, v2;
+ u8 vpd[VPD_LEN], csum;
+ unsigned int vpdr_len;
+ const struct t4_vpd_hdr *v;
- ret = pci_read_vpd(adapter->pdev, VPD_BASE, sizeof(vpd), &vpd);
+ ret = pci_read_vpd(adapter->pdev, VPD_BASE, sizeof(vpd), vpd);
if (ret < 0)
return ret;
- for (csum = 0; q <= vpd.rv_data; q++)
- csum += *q;
+ v = (const struct t4_vpd_hdr *)vpd;
+ vpdr_len = pci_vpd_lrdt_size(&v->vpdr_tag);
+ if (vpdr_len + sizeof(struct t4_vpd_hdr) > VPD_LEN) {
+ dev_err(adapter->pdev_dev, "bad VPD-R length %u\n", vpdr_len);
+ return -EINVAL;
+ }
+
+#define FIND_VPD_KW(var, name) do { \
+ var = pci_vpd_find_info_keyword(&v->id_tag, sizeof(struct t4_vpd_hdr), \
+ vpdr_len, name); \
+ if (var < 0) { \
+ dev_err(adapter->pdev_dev, "missing VPD keyword " name "\n"); \
+ return -EINVAL; \
+ } \
+ var += PCI_VPD_INFO_FLD_HDR_SIZE; \
+} while (0)
+
+ FIND_VPD_KW(i, "RV");
+ for (csum = 0; i >= 0; i--)
+ csum += vpd[i];
if (csum) {
dev_err(adapter->pdev_dev,
@@ -413,12 +423,18 @@ static int get_vpd_params(struct adapter *adapter, struct vpd_params *p)
return -EINVAL;
}
- p->cclk = simple_strtoul(vpd.cclk_data, NULL, 10);
- memcpy(p->id, vpd.id_data, sizeof(vpd.id_data));
+ FIND_VPD_KW(ec, "EC");
+ FIND_VPD_KW(sn, "SN");
+ FIND_VPD_KW(v2, "V2");
+#undef FIND_VPD_KW
+
+ p->cclk = simple_strtoul(vpd + v2, NULL, 10);
+ memcpy(p->id, v->id_data, ID_LEN);
strim(p->id);
- memcpy(p->ec, vpd.ec_data, sizeof(vpd.ec_data));
+ memcpy(p->ec, vpd + ec, EC_LEN);
strim(p->ec);
- memcpy(p->sn, vpd.sn_data, sizeof(vpd.sn_data));
+ i = pci_vpd_info_field_size(vpd + sn - PCI_VPD_INFO_FLD_HDR_SIZE);
+ memcpy(p->sn, vpd + sn, min(i, SERNUM_LEN));
strim(p->sn);
return 0;
}
@@ -537,8 +553,8 @@ static int flash_wait_op(struct adapter *adapter, int attempts, int delay)
* (i.e., big-endian), otherwise as 32-bit words in the platform's
* natural endianess.
*/
-int t4_read_flash(struct adapter *adapter, unsigned int addr,
- unsigned int nwords, u32 *data, int byte_oriented)
+static int t4_read_flash(struct adapter *adapter, unsigned int addr,
+ unsigned int nwords, u32 *data, int byte_oriented)
{
int ret;
@@ -870,22 +886,6 @@ int t4_restart_aneg(struct adapter *adap, unsigned int mbox, unsigned int port)
return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
}
-/**
- * t4_set_vlan_accel - configure HW VLAN extraction
- * @adap: the adapter
- * @ports: bitmap of adapter ports to operate on
- * @on: enable (1) or disable (0) HW VLAN extraction
- *
- * Enables or disables HW extraction of VLAN tags for the ports specified
- * by @ports. @ports is a bitmap with the ith bit designating the port
- * associated with the ith adapter channel.
- */
-void t4_set_vlan_accel(struct adapter *adap, unsigned int ports, int on)
-{
- ports <<= VLANEXTENABLE_SHIFT;
- t4_set_reg_field(adap, TP_OUT_CONFIG, ports, on ? ports : 0);
-}
-
struct intr_info {
unsigned int mask; /* bits to check in interrupt status */
const char *msg; /* message to print or NULL */
@@ -2608,12 +2608,14 @@ int t4_free_vi(struct adapter *adap, unsigned int mbox, unsigned int pf,
* @promisc: 1 to enable promiscuous mode, 0 to disable it, -1 no change
* @all_multi: 1 to enable all-multi mode, 0 to disable it, -1 no change
* @bcast: 1 to enable broadcast Rx, 0 to disable it, -1 no change
+ * @vlanex: 1 to enable HW VLAN extraction, 0 to disable it, -1 no change
* @sleep_ok: if true we may sleep while awaiting command completion
*
* Sets Rx properties of a virtual interface.
*/
int t4_set_rxmode(struct adapter *adap, unsigned int mbox, unsigned int viid,
- int mtu, int promisc, int all_multi, int bcast, bool sleep_ok)
+ int mtu, int promisc, int all_multi, int bcast, int vlanex,
+ bool sleep_ok)
{
struct fw_vi_rxmode_cmd c;
@@ -2626,15 +2628,18 @@ int t4_set_rxmode(struct adapter *adap, unsigned int mbox, unsigned int viid,
all_multi = FW_VI_RXMODE_CMD_ALLMULTIEN_MASK;
if (bcast < 0)
bcast = FW_VI_RXMODE_CMD_BROADCASTEN_MASK;
+ if (vlanex < 0)
+ vlanex = FW_VI_RXMODE_CMD_VLANEXEN_MASK;
memset(&c, 0, sizeof(c));
c.op_to_viid = htonl(FW_CMD_OP(FW_VI_RXMODE_CMD) | FW_CMD_REQUEST |
FW_CMD_WRITE | FW_VI_RXMODE_CMD_VIID(viid));
c.retval_len16 = htonl(FW_LEN16(c));
- c.mtu_to_broadcasten = htonl(FW_VI_RXMODE_CMD_MTU(mtu) |
- FW_VI_RXMODE_CMD_PROMISCEN(promisc) |
- FW_VI_RXMODE_CMD_ALLMULTIEN(all_multi) |
- FW_VI_RXMODE_CMD_BROADCASTEN(bcast));
+ c.mtu_to_vlanexen = htonl(FW_VI_RXMODE_CMD_MTU(mtu) |
+ FW_VI_RXMODE_CMD_PROMISCEN(promisc) |
+ FW_VI_RXMODE_CMD_ALLMULTIEN(all_multi) |
+ FW_VI_RXMODE_CMD_BROADCASTEN(bcast) |
+ FW_VI_RXMODE_CMD_VLANEXEN(vlanex));
return t4_wr_mbox_meat(adap, mbox, &c, sizeof(c), NULL, sleep_ok);
}