Skip to content

L
linux
Commit 220061ac authored by Jeb J. Cramer's avatar Jeb J. Cramer Committed by Jeff Garzik
Browse files
Options

[PATCH] Added ethtool test ioctl 

* Added routines for the Ethtool Test ioctl.
* Added more statistics for the Ethtool statistics dump.
* Added more registers for the register dump.
parent 2bd833e2
Hide whitespace changes
Inline Side-by-side
Showing with 931 additions and 17 deletions
drivers/net/e1000/e1000.h
View file @ 220061ac
...@@ -219,6 +219,9 @@ struct e1000_adapter { ...@@ -219,6 +219,9 @@ struct e1000_adapter {
struct e1000_phy_info phy_info; struct e1000_phy_info phy_info;
struct e1000_phy_stats phy_stats; struct e1000_phy_stats phy_stats;
uint32_t test_icr;
struct e1000_desc_ring test_tx_ring;
struct e1000_desc_ring test_rx_ring;
uint32_t pci_state[16]; uint32_t pci_state[16];
......
drivers/net/e1000/e1000_ethtool.c
View file @ 220061ac
...@@ -40,15 +40,60 @@ extern void e1000_down(struct e1000_adapter *adapter); ...@@ -40,15 +40,60 @@ extern void e1000_down(struct e1000_adapter *adapter);
extern void e1000_reset(struct e1000_adapter *adapter); extern void e1000_reset(struct e1000_adapter *adapter);
extern int e1000_set_spd_dplx(struct e1000_adapter *adapter, uint16_t spddplx); extern int e1000_set_spd_dplx(struct e1000_adapter *adapter, uint16_t spddplx);
static char e1000_gstrings_stats[][ETH_GSTRING_LEN] = { struct e1000_stats {
"rx_packets", "tx_packets", "rx_bytes", "tx_bytes", "rx_errors", char stat_string[ETH_GSTRING_LEN];
"tx_errors", "rx_dropped", "tx_dropped", "multicast", "collisions", int sizeof_stat;
"rx_length_errors", "rx_over_errors", "rx_crc_errors", int stat_offset;
"rx_frame_errors", "rx_fifo_errors", "rx_missed_errors",
"tx_aborted_errors", "tx_carrier_errors", "tx_fifo_errors",
"tx_heartbeat_errors", "tx_window_errors",
}; };
#define E1000_STATS_LEN sizeof(e1000_gstrings_stats) / ETH_GSTRING_LEN
#define E1000_STAT(m) sizeof(((struct e1000_adapter *)0)->m), \
offsetof(struct e1000_adapter, m)
static struct e1000_stats e1000_gstrings_stats[] = {
{ "rx_packets", E1000_STAT(net_stats.rx_packets) },
{ "tx_packets", E1000_STAT(net_stats.tx_packets) },
{ "rx_bytes", E1000_STAT(net_stats.rx_bytes) },
{ "tx_bytes", E1000_STAT(net_stats.tx_bytes) },
{ "rx_errors", E1000_STAT(net_stats.rx_errors) },
{ "tx_errors", E1000_STAT(net_stats.tx_errors) },
{ "rx_dropped", E1000_STAT(net_stats.rx_dropped) },
{ "tx_dropped", E1000_STAT(net_stats.tx_dropped) },
{ "multicast", E1000_STAT(net_stats.multicast) },
{ "collisions", E1000_STAT(net_stats.collisions) },
{ "rx_length_errors", E1000_STAT(net_stats.rx_length_errors) },
{ "rx_over_errors", E1000_STAT(net_stats.rx_over_errors) },
{ "rx_crc_errors", E1000_STAT(net_stats.rx_crc_errors) },
{ "rx_frame_errors", E1000_STAT(net_stats.rx_frame_errors) },
{ "rx_fifo_errors", E1000_STAT(net_stats.rx_fifo_errors) },
{ "rx_missed_errors", E1000_STAT(net_stats.rx_missed_errors) },
{ "tx_aborted_errors", E1000_STAT(net_stats.tx_aborted_errors) },
{ "tx_carrier_errors", E1000_STAT(net_stats.tx_carrier_errors) },
{ "tx_fifo_errors", E1000_STAT(net_stats.tx_fifo_errors) },
{ "tx_heartbeat_errors", E1000_STAT(net_stats.tx_heartbeat_errors) },
{ "tx_window_errors", E1000_STAT(net_stats.tx_window_errors) },
{ "tx_abort_late_coll", E1000_STAT(stats.latecol) },
{ "tx_deferred_ok", E1000_STAT(stats.dc) },
{ "tx_single_coll_ok", E1000_STAT(stats.scc) },
{ "tx_multi_coll_ok", E1000_STAT(stats.mcc) },
{ "rx_long_length_errors", E1000_STAT(stats.roc) },
{ "rx_short_length_errors", E1000_STAT(stats.ruc) },
{ "rx_align_errors", E1000_STAT(stats.algnerrc) },
{ "tx_tcp_seg_good", E1000_STAT(stats.tsctc) },
{ "tx_tcp_seg_failed", E1000_STAT(stats.tsctfc) },
{ "rx_flow_control_xon", E1000_STAT(stats.xonrxc) },
{ "rx_flow_control_xoff", E1000_STAT(stats.xoffrxc) },
{ "tx_flow_control_xon", E1000_STAT(stats.xontxc) },
{ "tx_flow_control_xoff", E1000_STAT(stats.xofftxc) },
{ "rx_csum_offload_good", E1000_STAT(hw_csum_good) },
{ "rx_csum_offload_errors", E1000_STAT(hw_csum_err) }
};
#define E1000_STATS_LEN \
sizeof(e1000_gstrings_stats) / sizeof(struct e1000_stats)
static char e1000_gstrings_test[][ETH_GSTRING_LEN] = {
"Register test (offline)", "Eeprom test (offline)",
"Interrupt test (offline)", "Loopback test (offline)",
"Link test (on/offline)"
};
#define E1000_TEST_LEN sizeof(e1000_gstrings_test) / ETH_GSTRING_LEN
static void static void
e1000_ethtool_gset(struct e1000_adapter *adapter, struct ethtool_cmd *ecmd) e1000_ethtool_gset(struct e1000_adapter *adapter, struct ethtool_cmd *ecmd)
...@@ -154,6 +199,7 @@ e1000_ethtool_gdrvinfo(struct e1000_adapter *adapter, ...@@ -154,6 +199,7 @@ e1000_ethtool_gdrvinfo(struct e1000_adapter *adapter,
strncpy(drvinfo->fw_version, "N/A", 32); strncpy(drvinfo->fw_version, "N/A", 32);
strncpy(drvinfo->bus_info, adapter->pdev->slot_name, 32); strncpy(drvinfo->bus_info, adapter->pdev->slot_name, 32);
drvinfo->n_stats = E1000_STATS_LEN; drvinfo->n_stats = E1000_STATS_LEN;
drvinfo->testinfo_len = E1000_TEST_LEN;
#define E1000_REGS_LEN 32 #define E1000_REGS_LEN 32
drvinfo->regdump_len = E1000_REGS_LEN * sizeof(uint32_t); drvinfo->regdump_len = E1000_REGS_LEN * sizeof(uint32_t);
drvinfo->eedump_len = adapter->hw.eeprom.word_size * 2; drvinfo->eedump_len = adapter->hw.eeprom.word_size * 2;
...@@ -164,6 +210,7 @@ e1000_ethtool_gregs(struct e1000_adapter *adapter, ...@@ -164,6 +210,7 @@ e1000_ethtool_gregs(struct e1000_adapter *adapter,
struct ethtool_regs *regs, uint32_t *regs_buff) struct ethtool_regs *regs, uint32_t *regs_buff)
{ {
struct e1000_hw *hw = &adapter->hw; struct e1000_hw *hw = &adapter->hw;
uint16_t phy_data;
regs->version = (1 << 24) | (hw->revision_id << 16) | hw->device_id; regs->version = (1 << 24) | (hw->revision_id << 16) | hw->device_id;
...@@ -182,6 +229,62 @@ e1000_ethtool_gregs(struct e1000_adapter *adapter, ...@@ -182,6 +229,62 @@ e1000_ethtool_gregs(struct e1000_adapter *adapter,
regs_buff[10] = E1000_READ_REG(hw, TDT); regs_buff[10] = E1000_READ_REG(hw, TDT);
regs_buff[11] = E1000_READ_REG(hw, TIDV); regs_buff[11] = E1000_READ_REG(hw, TIDV);
regs_buff[12] = adapter->hw.phy_type; /* PHY type (IGP=1, M88=0) */
if(hw->phy_type == e1000_phy_igp) {
e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
IGP01E1000_PHY_AGC_A);
e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_A &
IGP01E1000_PHY_PAGE_SELECT, &phy_data);
regs_buff[13] = (uint32_t)phy_data; /* cable length */
e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
IGP01E1000_PHY_AGC_B);
e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_B &
IGP01E1000_PHY_PAGE_SELECT, &phy_data);
regs_buff[14] = (uint32_t)phy_data; /* cable length */
e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
IGP01E1000_PHY_AGC_C);
e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_C &
IGP01E1000_PHY_PAGE_SELECT, &phy_data);
regs_buff[15] = (uint32_t)phy_data; /* cable length */
e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
IGP01E1000_PHY_AGC_D);
e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_D &
IGP01E1000_PHY_PAGE_SELECT, &phy_data);
regs_buff[16] = (uint32_t)phy_data; /* cable length */
regs_buff[17] = 0; /* extended 10bt distance (not needed) */
e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0);
e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_STATUS &
IGP01E1000_PHY_PAGE_SELECT, &phy_data);
regs_buff[18] = (uint32_t)phy_data; /* cable polarity */
e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
IGP01E1000_PHY_PCS_INIT_REG);
e1000_read_phy_reg(hw, IGP01E1000_PHY_PCS_INIT_REG &
IGP01E1000_PHY_PAGE_SELECT, &phy_data);
regs_buff[19] = (uint32_t)phy_data; /* cable polarity */
regs_buff[20] = 0; /* polarity correction enabled (always) */
regs_buff[22] = 0; /* phy receive errors (unavailable) */
regs_buff[23] = regs_buff[18]; /* mdix mode */
e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0);
} else {
e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
regs_buff[13] = (uint32_t)phy_data; /* cable length */
regs_buff[14] = 0; /* Dummy (to align w/ IGP phy reg dump) */
regs_buff[15] = 0; /* Dummy (to align w/ IGP phy reg dump) */
regs_buff[16] = 0; /* Dummy (to align w/ IGP phy reg dump) */
e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
regs_buff[17] = (uint32_t)phy_data; /* extended 10bt distance */
regs_buff[18] = regs_buff[13]; /* cable polarity */
regs_buff[19] = 0; /* Dummy (to align w/ IGP phy reg dump) */
regs_buff[20] = regs_buff[17]; /* polarity correction */
/* phy receive errors */
regs_buff[22] = adapter->phy_stats.receive_errors;
regs_buff[23] = regs_buff[13]; /* mdix mode */
}
regs_buff[21] = adapter->phy_stats.idle_errors; /* phy idle errors */
e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_data);
regs_buff[24] = (uint32_t)phy_data; /* phy local receiver status */
regs_buff[25] = regs_buff[24]; /* phy remote receiver status */
return; return;
} }
...@@ -284,6 +387,765 @@ e1000_ethtool_seeprom(struct e1000_adapter *adapter, ...@@ -284,6 +387,765 @@ e1000_ethtool_seeprom(struct e1000_adapter *adapter,
return ret_val; return ret_val;
} }
#define REG_PATTERN_TEST(R, M, W) \
{ \
uint32_t pat, value; \
uint32_t test[] = \
{0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF}; \
for(pat = 0; pat < sizeof(test)/sizeof(test[0]); pat++) { \
E1000_WRITE_REG(&adapter->hw, R, (test[pat] & W)); \
value = E1000_READ_REG(&adapter->hw, R); \
if(value != (test[pat] & W & M)) { \
*data = (adapter->hw.mac_type < e1000_82543) ? \
E1000_82542_##R : E1000_##R; \
return 1; \
} \
} \
}
#define REG_SET_AND_CHECK(R, M, W) \
{ \
uint32_t value; \
E1000_WRITE_REG(&adapter->hw, R, W & M); \
value = E1000_READ_REG(&adapter->hw, R); \
if ((W & M) != (value & M)) { \
*data = (adapter->hw.mac_type < e1000_82543) ? \
E1000_82542_##R : E1000_##R; \
return 1; \
} \
}
static int
e1000_reg_test(struct e1000_adapter *adapter, uint64_t *data)
{
uint32_t value;
uint32_t i;
/* The status register is Read Only, so a write should fail.
* Some bits that get toggled are ignored.
*/
value = (E1000_READ_REG(&adapter->hw, STATUS) & (0xFFFFF833));
E1000_WRITE_REG(&adapter->hw, STATUS, (0xFFFFFFFF));
if(value != (E1000_READ_REG(&adapter->hw, STATUS) & (0xFFFFF833))) {
*data = 1;
return 1;
}
REG_PATTERN_TEST(FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
REG_PATTERN_TEST(FCAH, 0x0000FFFF, 0xFFFFFFFF);
REG_PATTERN_TEST(FCT, 0x0000FFFF, 0xFFFFFFFF);
REG_PATTERN_TEST(VET, 0x0000FFFF, 0xFFFFFFFF);
REG_PATTERN_TEST(RDTR, 0x0000FFFF, 0xFFFFFFFF);
REG_PATTERN_TEST(RDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
REG_PATTERN_TEST(RDLEN, 0x000FFF80, 0x000FFFFF);
REG_PATTERN_TEST(RDH, 0x0000FFFF, 0x0000FFFF);
REG_PATTERN_TEST(RDT, 0x0000FFFF, 0x0000FFFF);
REG_PATTERN_TEST(FCRTH, 0x0000FFF8, 0x0000FFF8);
REG_PATTERN_TEST(FCTTV, 0x0000FFFF, 0x0000FFFF);
REG_PATTERN_TEST(TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
REG_PATTERN_TEST(TDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
REG_PATTERN_TEST(TDLEN, 0x000FFF80, 0x000FFFFF);
REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x00000000);
REG_SET_AND_CHECK(RCTL, 0x06DFB3FE, 0x003FFFFB);
REG_SET_AND_CHECK(TCTL, 0xFFFFFFFF, 0x00000000);
if(adapter->hw.mac_type >= e1000_82543) {
REG_SET_AND_CHECK(RCTL, 0x06DFB3FE, 0xFFFFFFFF);
REG_PATTERN_TEST(RDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
REG_PATTERN_TEST(TXCW, 0xC000FFFF, 0x0000FFFF);
REG_PATTERN_TEST(TDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
REG_PATTERN_TEST(TIDV, 0x0000FFFF, 0x0000FFFF);
for(i = 0; i < E1000_RAR_ENTRIES; i++) {
REG_PATTERN_TEST(RA + ((i << 1) << 2), 0xFFFFFFFF,
0xFFFFFFFF);
REG_PATTERN_TEST(RA + (((i << 1) + 1) << 2), 0x8003FFFF,
0xFFFFFFFF);
}
} else {
REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x01FFFFFF);
REG_PATTERN_TEST(RDBAL, 0xFFFFF000, 0xFFFFFFFF);
REG_PATTERN_TEST(TXCW, 0x0000FFFF, 0x0000FFFF);
REG_PATTERN_TEST(TDBAL, 0xFFFFF000, 0xFFFFFFFF);
}
for(i = 0; i < E1000_MC_TBL_SIZE; i++)
REG_PATTERN_TEST(MTA + (i << 2), 0xFFFFFFFF, 0xFFFFFFFF);
return 0;
}
static int
e1000_eeprom_test(struct e1000_adapter *adapter, uint64_t *data)
{
uint16_t temp;
uint16_t checksum = 0;
uint16_t i;
*data = 0;
/* Read and add up the contents of the EEPROM */
for(i = 0; i < (EEPROM_CHECKSUM_REG + 1); i++) {
if((e1000_read_eeprom(&adapter->hw, i, 1, &temp)) < 0) {
*data = 1;
break;
}
checksum += temp;
}
/* If Checksum is not Correct return error else test passed */
if((checksum != (uint16_t) EEPROM_SUM) && !(*data))
*data = 2;
return *data;
}
static irqreturn_t
e1000_test_intr(int irq,
void *data,
struct pt_regs *regs)
{
struct net_device *netdev = (struct net_device *) data;
struct e1000_adapter *adapter = netdev->priv;
adapter->test_icr |= E1000_READ_REG(&adapter->hw, ICR);
return IRQ_HANDLED;
}
static int
e1000_intr_test(struct e1000_adapter *adapter, uint64_t *data)
{
struct net_device *netdev = adapter->netdev;
uint32_t icr, mask, i=0;
*data = 0;
/* Hook up test interrupt handler just for this test */
if(request_irq
(netdev->irq, &e1000_test_intr, SA_SHIRQ, netdev->name, netdev)) {
*data = 1;
return -1;
}
/* Disable all the interrupts */
E1000_WRITE_REG(&adapter->hw, IMC, 0xFFFFFFFF);
msec_delay(10);
/* Interrupts are disabled, so read interrupt cause
* register (icr) twice to verify that there are no interrupts
* pending. icr is clear on read.
*/
icr = E1000_READ_REG(&adapter->hw, ICR);
icr = E1000_READ_REG(&adapter->hw, ICR);
if(icr != 0) {
/* if icr is non-zero, there is no point
* running other interrupt tests.
*/
*data = 2;
i = 10;
}
/* Test each interrupt */
for(; i < 10; i++) {
/* Interrupt to test */
mask = 1 << i;
/* Disable the interrupt to be reported in
* the cause register and then force the same
* interrupt and see if one gets posted. If
* an interrupt was posted to the bus, the
* test failed.
*/
adapter->test_icr = 0;
E1000_WRITE_REG(&adapter->hw, IMC, mask);
E1000_WRITE_REG(&adapter->hw, ICS, mask);
msec_delay(10);
if(adapter->test_icr & mask) {
*data = 3;
break;
}
/* Enable the interrupt to be reported in
* the cause register and then force the same
* interrupt and see if one gets posted. If
* an interrupt was not posted to the bus, the
* test failed.
*/
adapter->test_icr = 0;
E1000_WRITE_REG(&adapter->hw, IMS, mask);
E1000_WRITE_REG(&adapter->hw, ICS, mask);
msec_delay(10);
if(!(adapter->test_icr & mask)) {
*data = 4;
break;
}
/* Disable the other interrupts to be reported in
* the cause register and then force the other
* interrupts and see if any get posted. If
* an interrupt was posted to the bus, the
* test failed.
*/
adapter->test_icr = 0;
E1000_WRITE_REG(&adapter->hw, IMC, ~mask);
E1000_WRITE_REG(&adapter->hw, ICS, ~mask);
msec_delay(10);
if(adapter->test_icr) {
*data = 5;
break;
}
}
/* Disable all the interrupts */
E1000_WRITE_REG(&adapter->hw, IMC, 0xFFFFFFFF);
msec_delay(10);
/* Unhook test interrupt handler */
free_irq(netdev->irq, netdev);
return *data;
}
static void
e1000_free_desc_rings(struct e1000_adapter *adapter)
{
struct e1000_desc_ring *txdr = &adapter->test_tx_ring;
struct e1000_desc_ring *rxdr = &adapter->test_rx_ring;
struct pci_dev *pdev = adapter->pdev;
int i;
if(txdr->desc && txdr->buffer_info) {
for(i = 0; i < txdr->count; i++) {
if(txdr->buffer_info[i].dma)
pci_unmap_single(pdev, txdr->buffer_info[i].dma,
txdr->buffer_info[i].length,
PCI_DMA_TODEVICE);
if(txdr->buffer_info[i].skb)
dev_kfree_skb(txdr->buffer_info[i].skb);
}
}
if(rxdr->desc && rxdr->buffer_info) {
for(i = 0; i < rxdr->count; i++) {
if(rxdr->buffer_info[i].dma)
pci_unmap_single(pdev, rxdr->buffer_info[i].dma,
rxdr->buffer_info[i].length,
PCI_DMA_FROMDEVICE);
if(rxdr->buffer_info[i].skb)
dev_kfree_skb(rxdr->buffer_info[i].skb);
}
}
if(txdr->desc)
pci_free_consistent(pdev, txdr->size, txdr->desc, txdr->dma);
if(rxdr->desc)
pci_free_consistent(pdev, rxdr->size, rxdr->desc, rxdr->dma);
if(txdr->buffer_info)
kfree(txdr->buffer_info);
if(rxdr->buffer_info)
kfree(rxdr->buffer_info);
return;
}
static int
e1000_setup_desc_rings(struct e1000_adapter *adapter)
{
struct e1000_desc_ring *txdr = &adapter->test_tx_ring;
struct e1000_desc_ring *rxdr = &adapter->test_rx_ring;
struct pci_dev *pdev = adapter->pdev;
uint32_t rctl;
int size, i, ret_val;
/* Setup Tx descriptor ring and Tx buffers */
txdr->count = 80;
size = txdr->count * sizeof(struct e1000_buffer);
if(!(txdr->buffer_info = kmalloc(size, GFP_KERNEL))) {
ret_val = 1;
goto err_nomem;
}
memset(txdr->buffer_info, 0, size);
txdr->size = txdr->count * sizeof(struct e1000_tx_desc);
E1000_ROUNDUP(txdr->size, 4096);
if(!(txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma))) {
ret_val = 2;
goto err_nomem;
}
memset(txdr->desc, 0, txdr->size);
txdr->next_to_use = txdr->next_to_clean = 0;
E1000_WRITE_REG(&adapter->hw, TDBAL,
((uint64_t) txdr->dma & 0x00000000FFFFFFFF));
E1000_WRITE_REG(&adapter->hw, TDBAH, ((uint64_t) txdr->dma >> 32));
E1000_WRITE_REG(&adapter->hw, TDLEN,
txdr->count * sizeof(struct e1000_tx_desc));
E1000_WRITE_REG(&adapter->hw, TDH, 0);
E1000_WRITE_REG(&adapter->hw, TDT, 0);
E1000_WRITE_REG(&adapter->hw, TCTL,
E1000_TCTL_PSP | E1000_TCTL_EN |
E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
E1000_FDX_COLLISION_DISTANCE << E1000_COLD_SHIFT);
for(i = 0; i < txdr->count; i++) {
struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*txdr, i);
struct sk_buff *skb;
unsigned int size = 1024;
if(!(skb = alloc_skb(size, GFP_KERNEL))) {
ret_val = 3;
goto err_nomem;
}
skb_put(skb, size);
txdr->buffer_info[i].skb = skb;
txdr->buffer_info[i].length = skb->len;
txdr->buffer_info[i].dma =
pci_map_single(pdev, skb->data, skb->len,
PCI_DMA_TODEVICE);
tx_desc->buffer_addr = cpu_to_le64(txdr->buffer_info[i].dma);
tx_desc->lower.data = cpu_to_le32(skb->len);
tx_desc->lower.data |= E1000_TXD_CMD_EOP;
tx_desc->lower.data |= E1000_TXD_CMD_IFCS;
tx_desc->lower.data |= E1000_TXD_CMD_RPS;
tx_desc->upper.data = 0;
}
/* Setup Rx descriptor ring and Rx buffers */
rxdr->count = 80;
size = rxdr->count * sizeof(struct e1000_buffer);
if(!(rxdr->buffer_info = kmalloc(size, GFP_KERNEL))) {
ret_val = 4;
goto err_nomem;
}
memset(rxdr->buffer_info, 0, size);
rxdr->size = rxdr->count * sizeof(struct e1000_rx_desc);
if(!(rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma))) {
ret_val = 5;
goto err_nomem;
}
memset(rxdr->desc, 0, rxdr->size);
rxdr->next_to_use = rxdr->next_to_clean = 0;
rctl = E1000_READ_REG(&adapter->hw, RCTL);
E1000_WRITE_REG(&adapter->hw, RCTL, rctl & ~E1000_RCTL_EN);
E1000_WRITE_REG(&adapter->hw, RDBAL,
((uint64_t) rxdr->dma & 0xFFFFFFFF));
E1000_WRITE_REG(&adapter->hw, RDBAH, ((uint64_t) rxdr->dma >> 32));
E1000_WRITE_REG(&adapter->hw, RDLEN, rxdr->size);
E1000_WRITE_REG(&adapter->hw, RDH, 0);
E1000_WRITE_REG(&adapter->hw, RDT, 0);
rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
(adapter->hw.mc_filter_type << E1000_RCTL_MO_SHIFT);
E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
for(i = 0; i < rxdr->count; i++) {
struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rxdr, i);
struct sk_buff *skb;
if(!(skb = alloc_skb(E1000_RXBUFFER_2048 + 2, GFP_KERNEL))) {
ret_val = 6;
goto err_nomem;
}
skb_reserve(skb, 2);
rxdr->buffer_info[i].skb = skb;
rxdr->buffer_info[i].length = E1000_RXBUFFER_2048;
rxdr->buffer_info[i].dma =
pci_map_single(pdev, skb->data, E1000_RXBUFFER_2048,
PCI_DMA_FROMDEVICE);
rx_desc->buffer_addr = cpu_to_le64(rxdr->buffer_info[i].dma);
memset(skb->data, 0x00, skb->len);
}
return 0;
err_nomem:
e1000_free_desc_rings(adapter);
return ret_val;
}
static void
e1000_phy_disable_receiver(struct e1000_adapter *adapter)
{
/* Write out to PHY registers 29 and 30 to disable the Receiver. */
e1000_write_phy_reg(&adapter->hw, 29, 0x001F);
e1000_write_phy_reg(&adapter->hw, 30, 0x8FFC);
e1000_write_phy_reg(&adapter->hw, 29, 0x001A);
e1000_write_phy_reg(&adapter->hw, 30, 0x8FF0);
return;
}
static void
e1000_phy_reset_clk_and_crs(struct e1000_adapter *adapter)
{
uint16_t phy_reg;
/* Because we reset the PHY above, we need to re-force TX_CLK in the
* Extended PHY Specific Control Register to 25MHz clock. This
* value defaults back to a 2.5MHz clock when the PHY is reset.
*/
e1000_read_phy_reg(&adapter->hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
phy_reg |= M88E1000_EPSCR_TX_CLK_25;
e1000_write_phy_reg(&adapter->hw,
M88E1000_EXT_PHY_SPEC_CTRL, phy_reg);
/* In addition, because of the s/w reset above, we need to enable
* CRS on TX. This must be set for both full and half duplex
* operation.
*/
e1000_read_phy_reg(&adapter->hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
phy_reg |= M88E1000_PSCR_ASSERT_CRS_ON_TX;
e1000_write_phy_reg(&adapter->hw,
M88E1000_PHY_SPEC_CTRL, phy_reg);
}
static int
e1000_nonintegrated_phy_loopback(struct e1000_adapter *adapter)
{
uint32_t ctrl_reg;
uint16_t phy_reg;
/* Setup the Device Control Register for PHY loopback test. */
ctrl_reg = E1000_READ_REG(&adapter->hw, CTRL);
ctrl_reg |= (E1000_CTRL_ILOS | /* Invert Loss-Of-Signal */
E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
E1000_CTRL_SPD_1000 | /* Force Speed to 1000 */
E1000_CTRL_FD); /* Force Duplex to FULL */
E1000_WRITE_REG(&adapter->hw, CTRL, ctrl_reg);
/* Read the PHY Specific Control Register (0x10) */
e1000_read_phy_reg(&adapter->hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
/* Clear Auto-Crossover bits in PHY Specific Control Register
* (bits 6:5).
*/
phy_reg &= ~M88E1000_PSCR_AUTO_X_MODE;
e1000_write_phy_reg(&adapter->hw, M88E1000_PHY_SPEC_CTRL, phy_reg);
/* Perform software reset on the PHY */
e1000_phy_reset(&adapter->hw);
/* Have to setup TX_CLK and TX_CRS after software reset */
e1000_phy_reset_clk_and_crs(adapter);
e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x8100);
/* Wait for reset to complete. */
udelay(500);
/* Have to setup TX_CLK and TX_CRS after software reset */
e1000_phy_reset_clk_and_crs(adapter);
/* Write out to PHY registers 29 and 30 to disable the Receiver. */
e1000_phy_disable_receiver(adapter);
/* Set the loopback bit in the PHY control register. */
e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg);
phy_reg |= MII_CR_LOOPBACK;
e1000_write_phy_reg(&adapter->hw, PHY_CTRL, phy_reg);
/* Setup TX_CLK and TX_CRS one more time. */
e1000_phy_reset_clk_and_crs(adapter);
/* Check Phy Configuration */
e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg);
if(phy_reg != 0x4100)
return 9;
e1000_read_phy_reg(&adapter->hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
if(phy_reg != 0x0070)
return 10;
e1000_read_phy_reg(&adapter->hw, 29, &phy_reg);
if(phy_reg != 0x001A)
return 11;
return 0;
}
static int
e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
{
uint32_t ctrl_reg = 0;
uint32_t stat_reg = 0;
adapter->hw.autoneg = FALSE;
if(adapter->hw.phy_type == e1000_phy_m88) {
/* Auto-MDI/MDIX Off */
e1000_write_phy_reg(&adapter->hw,
M88E1000_PHY_SPEC_CTRL, 0x0808);
/* reset to update Auto-MDI/MDIX */
e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x9140);
/* autoneg off */
e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x8140);
}
/* force 1000, set loopback */
e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x4140);
/* Now set up the MAC to the same speed/duplex as the PHY. */
ctrl_reg = E1000_READ_REG(&adapter->hw, CTRL);
ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
E1000_CTRL_FD); /* Force Duplex to FULL */
if(adapter->hw.media_type == e1000_media_type_copper &&
adapter->hw.phy_type == e1000_phy_m88) {
ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
} else {
/* Set the ILOS bit on the fiber Nic is half
* duplex link is detected. */
stat_reg = E1000_READ_REG(&adapter->hw, STATUS);
if((stat_reg & E1000_STATUS_FD) == 0)
ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
}
E1000_WRITE_REG(&adapter->hw, CTRL, ctrl_reg);
/* Disable the receiver on the PHY so when a cable is plugged in, the
* PHY does not begin to autoneg when a cable is reconnected to the NIC.
*/
if(adapter->hw.phy_type == e1000_phy_m88)
e1000_phy_disable_receiver(adapter);
udelay(500);
return 0;
}
static int
e1000_set_phy_loopback(struct e1000_adapter *adapter)
{
uint16_t phy_reg = 0;
uint16_t count = 0;
switch (adapter->hw.mac_type) {
case e1000_82543:
if(adapter->hw.media_type == e1000_media_type_copper) {
/* Attempt to setup Loopback mode on Non-integrated PHY.
* Some PHY registers get corrupted at random, so
* attempt this 10 times.
*/
while(e1000_nonintegrated_phy_loopback(adapter) &&
count++ < 10);
if(count < 11)
return 0;
}
break;
case e1000_82544:
case e1000_82540:
case e1000_82545:
case e1000_82546:
case e1000_82541:
case e1000_82547:
return e1000_integrated_phy_loopback(adapter);
break;
default:
/* Default PHY loopback work is to read the MII
* control register and assert bit 14 (loopback mode).
*/
e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg);
phy_reg |= MII_CR_LOOPBACK;
e1000_write_phy_reg(&adapter->hw, PHY_CTRL, phy_reg);
return 0;
break;
}
return 8;
}
static int
e1000_setup_loopback_test(struct e1000_adapter *adapter)
{
uint32_t rctl;
if(adapter->hw.media_type == e1000_media_type_fiber) {
if(adapter->hw.mac_type == e1000_82545 ||
adapter->hw.mac_type == e1000_82546)
return e1000_set_phy_loopback(adapter);
else {
rctl = E1000_READ_REG(&adapter->hw, RCTL);
rctl |= E1000_RCTL_LBM_TCVR;
E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
return 0;
}
} else if(adapter->hw.media_type == e1000_media_type_copper)
return e1000_set_phy_loopback(adapter);
return 7;
}
static void
e1000_loopback_cleanup(struct e1000_adapter *adapter)
{
uint32_t rctl;
uint16_t phy_reg;
rctl = E1000_READ_REG(&adapter->hw, RCTL);
rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
if(adapter->hw.media_type == e1000_media_type_copper ||
(adapter->hw.media_type == e1000_media_type_fiber &&
(adapter->hw.mac_type == e1000_82545 ||
adapter->hw.mac_type == e1000_82546))) {
adapter->hw.autoneg = TRUE;
e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg);
if(phy_reg & MII_CR_LOOPBACK) {
phy_reg &= ~MII_CR_LOOPBACK;
e1000_write_phy_reg(&adapter->hw, PHY_CTRL, phy_reg);
e1000_phy_reset(&adapter->hw);
}
}
}
static void
e1000_create_lbtest_frame(struct sk_buff *skb, unsigned int frame_size)
{
memset(skb->data, 0xFF, frame_size);
frame_size = (frame_size % 2) ? (frame_size - 1) : frame_size;
memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
}
static int
e1000_check_lbtest_frame(struct sk_buff *skb, unsigned int frame_size)
{
frame_size = (frame_size % 2) ? (frame_size - 1) : frame_size;
if(*(skb->data + 3) == 0xFF) {
if((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
(*(skb->data + frame_size / 2 + 12) == 0xAF)) {
return 0;
}
}
return 13;
}
static int
e1000_run_loopback_test(struct e1000_adapter *adapter)
{
struct e1000_desc_ring *txdr = &adapter->test_tx_ring;
struct e1000_desc_ring *rxdr = &adapter->test_rx_ring;
struct pci_dev *pdev = adapter->pdev;
int i;
E1000_WRITE_REG(&adapter->hw, RDT, rxdr->count - 1);
for(i = 0; i < 64; i++) {
e1000_create_lbtest_frame(txdr->buffer_info[i].skb, 1024);
pci_dma_sync_single(pdev, txdr->buffer_info[i].dma,
txdr->buffer_info[i].length,
PCI_DMA_TODEVICE);
}
E1000_WRITE_REG(&adapter->hw, TDT, i);
msec_delay(200);
pci_dma_sync_single(pdev, rxdr->buffer_info[0].dma,
rxdr->buffer_info[0].length, PCI_DMA_FROMDEVICE);
return e1000_check_lbtest_frame(rxdr->buffer_info[0].skb, 1024);
}
static int
e1000_loopback_test(struct e1000_adapter *adapter, uint64_t *data)
{
if((*data = e1000_setup_desc_rings(adapter))) goto err_loopback;
if((*data = e1000_setup_loopback_test(adapter))) goto err_loopback;
*data = e1000_run_loopback_test(adapter);
e1000_loopback_cleanup(adapter);
e1000_free_desc_rings(adapter);
err_loopback:
return *data;
}
static int
e1000_link_test(struct e1000_adapter *adapter, uint64_t *data)
{
*data = 0;
e1000_check_for_link(&adapter->hw);
if(!(E1000_READ_REG(&adapter->hw, STATUS) & E1000_STATUS_LU)) {
*data = 1;
}
return *data;
}
static int
e1000_ethtool_test(struct e1000_adapter *adapter,
struct ethtool_test *eth_test, uint64_t *data)
{
boolean_t if_running = netif_running(adapter->netdev);
if(eth_test->flags == ETH_TEST_FL_OFFLINE) {
/* Offline tests */
/* Link test performed before hardware reset so autoneg doesn't
* interfere with test result */
if(e1000_link_test(adapter, &data[4]))
eth_test->flags |= ETH_TEST_FL_FAILED;
if(if_running)
e1000_down(adapter);
e1000_reset(adapter);
if(e1000_reg_test(adapter, &data[0]))
eth_test->flags |= ETH_TEST_FL_FAILED;
e1000_reset(adapter);
if(e1000_eeprom_test(adapter, &data[1]))
eth_test->flags |= ETH_TEST_FL_FAILED;
e1000_reset(adapter);
if(e1000_intr_test(adapter, &data[2]))
eth_test->flags |= ETH_TEST_FL_FAILED;
e1000_reset(adapter);
if(e1000_loopback_test(adapter, &data[3]))
eth_test->flags |= ETH_TEST_FL_FAILED;
e1000_reset(adapter);
if(if_running)
e1000_up(adapter);
} else {
/* Online tests */
if(e1000_link_test(adapter, &data[4]))
eth_test->flags |= ETH_TEST_FL_FAILED;
/* Offline tests aren't run; pass by default */
data[0] = 0;
data[1] = 0;
data[2] = 0;
data[3] = 0;
}
return 0;
}
static void static void
e1000_ethtool_gwol(struct e1000_adapter *adapter, struct ethtool_wolinfo *wol) e1000_ethtool_gwol(struct e1000_adapter *adapter, struct ethtool_wolinfo *wol)
{ {
...@@ -443,24 +1305,46 @@ e1000_ethtool_ioctl(struct net_device *netdev, struct ifreq *ifr) ...@@ -443,24 +1305,46 @@ e1000_ethtool_ioctl(struct net_device *netdev, struct ifreq *ifr)
case ETHTOOL_GSTRINGS: { case ETHTOOL_GSTRINGS: {
struct ethtool_gstrings gstrings = { ETHTOOL_GSTRINGS }; struct ethtool_gstrings gstrings = { ETHTOOL_GSTRINGS };
char *strings = NULL; char *strings = NULL;
int err = 0;
if(copy_from_user(&gstrings, addr, sizeof(gstrings))) if(copy_from_user(&gstrings, addr, sizeof(gstrings)))
return -EFAULT; return -EFAULT;
switch(gstrings.string_set) { switch(gstrings.string_set) {
case ETH_SS_STATS: case ETH_SS_TEST:
gstrings.len = E1000_TEST_LEN;
strings = kmalloc(E1000_TEST_LEN * ETH_GSTRING_LEN,
GFP_KERNEL);
if(!strings)
return -ENOMEM;
memcpy(strings, e1000_gstrings_test, E1000_TEST_LEN *
ETH_GSTRING_LEN);
break;
case ETH_SS_STATS: {
int i;
gstrings.len = E1000_STATS_LEN; gstrings.len = E1000_STATS_LEN;
strings = *e1000_gstrings_stats; strings = kmalloc(E1000_STATS_LEN * ETH_GSTRING_LEN,
GFP_KERNEL);
if(!strings)
return -ENOMEM;
for(i=0; i < E1000_STATS_LEN; i++) {
memcpy(&strings[i * ETH_GSTRING_LEN],
e1000_gstrings_stats[i].stat_string,
ETH_GSTRING_LEN);
}
break; break;
}
default: default:
return -EOPNOTSUPP; return -EOPNOTSUPP;
} }
if(copy_to_user(addr, &gstrings, sizeof(gstrings))) if(copy_to_user(addr, &gstrings, sizeof(gstrings)))
return -EFAULT; err = -EFAULT;
addr += offsetof(struct ethtool_gstrings, data); addr += offsetof(struct ethtool_gstrings, data);
if(copy_to_user(addr, strings, if(!err && copy_to_user(addr, strings,
gstrings.len * ETH_GSTRING_LEN)) gstrings.len * ETH_GSTRING_LEN))
return -EFAULT; err = -EFAULT;
return 0;
kfree(strings);
return err;
} }
case ETHTOOL_GREGS: { case ETHTOOL_GREGS: {
struct ethtool_regs regs = {ETHTOOL_GREGS}; struct ethtool_regs regs = {ETHTOOL_GREGS};
...@@ -565,18 +1449,45 @@ e1000_ethtool_ioctl(struct net_device *netdev, struct ifreq *ifr) ...@@ -565,18 +1449,45 @@ e1000_ethtool_ioctl(struct net_device *netdev, struct ifreq *ifr)
} }
case ETHTOOL_GSTATS: { case ETHTOOL_GSTATS: {
struct { struct {
struct ethtool_stats cmd; struct ethtool_stats eth_stats;
uint64_t data[E1000_STATS_LEN]; uint64_t data[E1000_STATS_LEN];
} stats = { {ETHTOOL_GSTATS, E1000_STATS_LEN} }; } stats = { {ETHTOOL_GSTATS, E1000_STATS_LEN} };
int i; int i;
for(i = 0; i < E1000_STATS_LEN; i++) for(i = 0; i < E1000_STATS_LEN; i++)
stats.data[i] = stats.data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
((unsigned long *)&adapter->net_stats)[i]; sizeof(uint64_t)) ?
*(uint64_t *)((char *)adapter +
e1000_gstrings_stats[i].stat_offset) :
*(uint32_t *)((char *)adapter +
e1000_gstrings_stats[i].stat_offset);
if(copy_to_user(addr, &stats, sizeof(stats))) if(copy_to_user(addr, &stats, sizeof(stats)))
return -EFAULT; return -EFAULT;
return 0; return 0;
} }
case ETHTOOL_TEST: {
struct {
struct ethtool_test eth_test;
uint64_t data[E1000_TEST_LEN];
} test = { {ETHTOOL_TEST} };
int err;
if(!capable(CAP_NET_ADMIN))
return -EPERM;
if(copy_from_user(&test.eth_test, addr, sizeof(test.eth_test)))
return -EFAULT;
test.eth_test.len = E1000_TEST_LEN;
if((err = e1000_ethtool_test(adapter, &test.eth_test,
test.data)))
return err;
if(copy_to_user(addr, &test, sizeof(test)) != 0)
return -EFAULT;
return 0;
}
default: default:
return -EOPNOTSUPP; return -EOPNOTSUPP;
} }
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment
GitLab Nexedi Edition | About GitLab | About Nexedi | 沪ICP备2021021310号-2 | 沪ICP备2021021310号-7