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path: root/drivers/net/chelsio/pm3393.c
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Diffstat (limited to 'drivers/net/chelsio/pm3393.c')
-rw-r--r--drivers/net/chelsio/pm3393.c125
1 files changed, 50 insertions, 75 deletions
diff --git a/drivers/net/chelsio/pm3393.c b/drivers/net/chelsio/pm3393.c
index 04a1404fc65e..63cabeb98afe 100644
--- a/drivers/net/chelsio/pm3393.c
+++ b/drivers/net/chelsio/pm3393.c
@@ -43,21 +43,7 @@
#include "elmer0.h"
#include "suni1x10gexp_regs.h"
-/* 802.3ae 10Gb/s MDIO Manageable Device(MMD)
- */
-enum {
- MMD_RESERVED,
- MMD_PMAPMD,
- MMD_WIS,
- MMD_PCS,
- MMD_PHY_XGXS, /* XGMII Extender Sublayer */
- MMD_DTE_XGXS,
-};
-
-enum {
- PHY_XGXS_CTRL_1,
- PHY_XGXS_STATUS_1
-};
+#include <linux/crc32.h>
#define OFFSET(REG_ADDR) (REG_ADDR << 2)
@@ -88,6 +74,8 @@ enum { /* RMON registers */
RxJabbers = SUNI1x10GEXP_REG_MSTAT_COUNTER_16_LOW,
RxFragments = SUNI1x10GEXP_REG_MSTAT_COUNTER_17_LOW,
RxUndersizedFrames = SUNI1x10GEXP_REG_MSTAT_COUNTER_18_LOW,
+ RxJumboFramesReceivedOK = SUNI1x10GEXP_REG_MSTAT_COUNTER_25_LOW,
+ RxJumboOctetsReceivedOK = SUNI1x10GEXP_REG_MSTAT_COUNTER_26_LOW,
TxOctetsTransmittedOK = SUNI1x10GEXP_REG_MSTAT_COUNTER_33_LOW,
TxFramesLostDueToInternalMACTransmissionError = SUNI1x10GEXP_REG_MSTAT_COUNTER_35_LOW,
@@ -95,7 +83,9 @@ enum { /* RMON registers */
TxUnicastFramesTransmittedOK = SUNI1x10GEXP_REG_MSTAT_COUNTER_38_LOW,
TxMulticastFramesTransmittedOK = SUNI1x10GEXP_REG_MSTAT_COUNTER_40_LOW,
TxBroadcastFramesTransmittedOK = SUNI1x10GEXP_REG_MSTAT_COUNTER_42_LOW,
- TxPAUSEMACCtrlFramesTransmitted = SUNI1x10GEXP_REG_MSTAT_COUNTER_43_LOW
+ TxPAUSEMACCtrlFramesTransmitted = SUNI1x10GEXP_REG_MSTAT_COUNTER_43_LOW,
+ TxJumboFramesReceivedOK = SUNI1x10GEXP_REG_MSTAT_COUNTER_51_LOW,
+ TxJumboOctetsReceivedOK = SUNI1x10GEXP_REG_MSTAT_COUNTER_52_LOW
};
struct _cmac_instance {
@@ -124,12 +114,12 @@ static int pm3393_reset(struct cmac *cmac)
/*
* Enable interrupts for the PM3393
-
- 1. Enable PM3393 BLOCK interrupts.
- 2. Enable PM3393 Master Interrupt bit(INTE)
- 3. Enable ELMER's PM3393 bit.
- 4. Enable Terminator external interrupt.
-*/
+ *
+ * 1. Enable PM3393 BLOCK interrupts.
+ * 2. Enable PM3393 Master Interrupt bit(INTE)
+ * 3. Enable ELMER's PM3393 bit.
+ * 4. Enable Terminator external interrupt.
+ */
static int pm3393_interrupt_enable(struct cmac *cmac)
{
u32 pl_intr;
@@ -257,14 +247,12 @@ static int pm3393_interrupt_clear(struct cmac *cmac)
static int pm3393_interrupt_handler(struct cmac *cmac)
{
u32 master_intr_status;
-/*
- 1. Read master interrupt register.
- 2. Read BLOCK's interrupt status registers.
- 3. Handle BLOCK interrupts.
-*/
+
/* Read the master interrupt status register. */
pmread(cmac, SUNI1x10GEXP_REG_MASTER_INTERRUPT_STATUS,
&master_intr_status);
+ CH_DBG(cmac->adapter, INTR, "PM3393 intr cause 0x%x\n",
+ master_intr_status);
/* TBD XXX Lets just clear everything for now */
pm3393_interrupt_clear(cmac);
@@ -307,11 +295,7 @@ static int pm3393_enable_port(struct cmac *cmac, int which)
* The PHY doesn't give us link status indication on its own so have
* the link management code query it instead.
*/
- {
- extern void link_changed(adapter_t *adapter, int port_id);
-
- link_changed(cmac->adapter, 0);
- }
+ t1_link_changed(cmac->adapter, 0);
return 0;
}
@@ -363,33 +347,6 @@ static int pm3393_set_mtu(struct cmac *cmac, int mtu)
return 0;
}
-static u32 calc_crc(u8 *b, int len)
-{
- int i;
- u32 crc = (u32)~0;
-
- /* calculate crc one bit at a time */
- while (len--) {
- crc ^= *b++;
- for (i = 0; i < 8; i++) {
- if (crc & 0x1)
- crc = (crc >> 1) ^ 0xedb88320;
- else
- crc = (crc >> 1);
- }
- }
-
- /* reverse bits */
- crc = ((crc >> 4) & 0x0f0f0f0f) | ((crc << 4) & 0xf0f0f0f0);
- crc = ((crc >> 2) & 0x33333333) | ((crc << 2) & 0xcccccccc);
- crc = ((crc >> 1) & 0x55555555) | ((crc << 1) & 0xaaaaaaaa);
- /* swap bytes */
- crc = (crc >> 16) | (crc << 16);
- crc = (crc >> 8 & 0x00ff00ff) | (crc << 8 & 0xff00ff00);
-
- return crc;
-}
-
static int pm3393_set_rx_mode(struct cmac *cmac, struct t1_rx_mode *rm)
{
int enabled = cmac->instance->enabled & MAC_DIRECTION_RX;
@@ -423,7 +380,7 @@ static int pm3393_set_rx_mode(struct cmac *cmac, struct t1_rx_mode *rm)
u16 mc_filter[4] = { 0, };
while ((addr = t1_get_next_mcaddr(rm))) {
- bit = (calc_crc(addr, ETH_ALEN) >> 23) & 0x3f; /* bit[23:28] */
+ bit = (ether_crc(ETH_ALEN, addr) >> 23) & 0x3f; /* bit[23:28] */
mc_filter[bit >> 4] |= 1 << (bit & 0xf);
}
pmwrite(cmac, SUNI1x10GEXP_REG_RXXG_MULTICAST_HASH_LOW, mc_filter[0]);
@@ -471,20 +428,29 @@ static int pm3393_set_speed_duplex_fc(struct cmac *cmac, int speed, int duplex,
return 0;
}
+static void pm3393_rmon_update(struct adapter *adapter, u32 offs, u64 *val,
+ int over)
+{
+ u32 val0, val1, val2;
+
+ t1_tpi_read(adapter, offs, &val0);
+ t1_tpi_read(adapter, offs + 4, &val1);
+ t1_tpi_read(adapter, offs + 8, &val2);
+
+ *val &= ~0ull << 40;
+ *val |= val0 & 0xffff;
+ *val |= (val1 & 0xffff) << 16;
+ *val |= (u64)(val2 & 0xff) << 32;
+
+ if (over)
+ *val += 1ull << 40;
+}
+
#define RMON_UPDATE(mac, name, stat_name) \
- { \
- t1_tpi_read((mac)->adapter, OFFSET(name), &val0); \
- t1_tpi_read((mac)->adapter, OFFSET(((name)+1)), &val1); \
- t1_tpi_read((mac)->adapter, OFFSET(((name)+2)), &val2); \
- (mac)->stats.stat_name = ((u64)val0 & 0xffff) | \
- (((u64)val1 & 0xffff) << 16) | \
- (((u64)val2 & 0xff) << 32) | \
- ((mac)->stats.stat_name & \
- (~(u64)0 << 40)); \
- if (ro & \
- ((name - SUNI1x10GEXP_REG_MSTAT_COUNTER_0_LOW) >> 2)) \
- (mac)->stats.stat_name += ((u64)1 << 40); \
- }
+ pm3393_rmon_update((mac)->adapter, OFFSET(name), \
+ &(mac)->stats.stat_name, \
+ (ro &((name - SUNI1x10GEXP_REG_MSTAT_COUNTER_0_LOW) >> 2)))
+
static const struct cmac_statistics *pm3393_update_statistics(struct cmac *mac,
int flag)
@@ -519,6 +485,8 @@ static const struct cmac_statistics *pm3393_update_statistics(struct cmac *mac,
RMON_UPDATE(mac, RxJabbers, RxJabberErrors);
RMON_UPDATE(mac, RxFragments, RxRuntErrors);
RMON_UPDATE(mac, RxUndersizedFrames, RxRuntErrors);
+ RMON_UPDATE(mac, RxJumboFramesReceivedOK, RxJumboFramesOK);
+ RMON_UPDATE(mac, RxJumboOctetsReceivedOK, RxJumboOctetsOK);
/* Tx stats */
RMON_UPDATE(mac, TxOctetsTransmittedOK, TxOctetsOK);
@@ -529,6 +497,8 @@ static const struct cmac_statistics *pm3393_update_statistics(struct cmac *mac,
RMON_UPDATE(mac, TxMulticastFramesTransmittedOK, TxMulticastFramesOK);
RMON_UPDATE(mac, TxBroadcastFramesTransmittedOK, TxBroadcastFramesOK);
RMON_UPDATE(mac, TxPAUSEMACCtrlFramesTransmitted, TxPauseFrames);
+ RMON_UPDATE(mac, TxJumboFramesReceivedOK, TxJumboFramesOK);
+ RMON_UPDATE(mac, TxJumboOctetsReceivedOK, TxJumboOctetsOK);
return &mac->stats;
}
@@ -631,10 +601,9 @@ static struct cmac *pm3393_mac_create(adapter_t *adapter, int index)
{
struct cmac *cmac;
- cmac = kmalloc(sizeof(*cmac) + sizeof(cmac_instance), GFP_KERNEL);
+ cmac = kzalloc(sizeof(*cmac) + sizeof(cmac_instance), GFP_KERNEL);
if (!cmac)
return NULL;
- memset(cmac, 0, sizeof(*cmac));
cmac->ops = &pm3393_ops;
cmac->instance = (cmac_instance *) (cmac + 1);
@@ -815,6 +784,12 @@ static int pm3393_mac_reset(adapter_t * adapter)
successful_reset = (is_pl4_reset_finished && !is_pl4_outof_lock
&& is_xaui_mabc_pll_locked);
+
+ CH_DBG(adapter, HW,
+ "PM3393 HW reset %d: pl4_reset 0x%x, val 0x%x, "
+ "is_pl4_outof_lock 0x%x, xaui_locked 0x%x\n",
+ i, is_pl4_reset_finished, val, is_pl4_outof_lock,
+ is_xaui_mabc_pll_locked);
}
return successful_reset ? 0 : 1;
}
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-02 18:08:38 +0000