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qlge: Add ethtool self-test. 

Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ron Mercer 2009-10-30 12:13:33 +00:00 committed by David S. Miller
parent 536b2e92f1
commit 9dfbbaa6b0
3 changed files with 137 additions and 1 deletions
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6
drivers/net/qlge/qlge.h
View File

@ -1581,6 +1581,8 @@ enum {
QL_ALLMULTI = 6,
QL_PORT_CFG = 7,
QL_CAM_RT_SET = 8,
QL_SELFTEST = 9,
QL_LB_LINK_UP = 10,
};
/* link_status bit definitions */
@ -1717,6 +1719,7 @@ struct ql_adapter {
struct completion ide_completion;
struct nic_operations *nic_ops;
u16 device_id;
atomic_t lb_count;
};
/*
@ -1808,6 +1811,9 @@ int ql_mb_set_port_cfg(struct ql_adapter *qdev);
int ql_wait_fifo_empty(struct ql_adapter *qdev);
void ql_gen_reg_dump(struct ql_adapter *qdev,
struct ql_reg_dump *mpi_coredump);
netdev_tx_t ql_lb_send(struct sk_buff *skb, struct net_device *ndev);
void ql_check_lb_frame(struct ql_adapter *, struct sk_buff *);
int ql_clean_lb_rx_ring(struct rx_ring *rx_ring, int budget);
#if 1
#define QL_ALL_DUMP

112
drivers/net/qlge/qlge_ethtool.c
View File

@ -36,6 +36,11 @@
#include "qlge.h"
static const char ql_gstrings_test[][ETH_GSTRING_LEN] = {
"Loopback test (offline)"
};
#define QLGE_TEST_LEN (sizeof(ql_gstrings_test) / ETH_GSTRING_LEN)
static int ql_update_ring_coalescing(struct ql_adapter *qdev)
{
int i, status = 0;
@ -251,6 +256,8 @@ static void ql_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
static int ql_get_sset_count(struct net_device *dev, int sset)
{
switch (sset) {
case ETH_SS_TEST:
return QLGE_TEST_LEN;
case ETH_SS_STATS:
return ARRAY_SIZE(ql_stats_str_arr);
default:
@ -429,6 +436,110 @@ static int ql_phys_id(struct net_device *ndev, u32 data)
return 0;
}
static int ql_start_loopback(struct ql_adapter *qdev)
{
if (netif_carrier_ok(qdev->ndev)) {
set_bit(QL_LB_LINK_UP, &qdev->flags);
netif_carrier_off(qdev->ndev);
} else
clear_bit(QL_LB_LINK_UP, &qdev->flags);
qdev->link_config |= CFG_LOOPBACK_PCS;
return ql_mb_set_port_cfg(qdev);
}
static void ql_stop_loopback(struct ql_adapter *qdev)
{
qdev->link_config &= ~CFG_LOOPBACK_PCS;
ql_mb_set_port_cfg(qdev);
if (test_bit(QL_LB_LINK_UP, &qdev->flags)) {
netif_carrier_on(qdev->ndev);
clear_bit(QL_LB_LINK_UP, &qdev->flags);
}
}
static void ql_create_lb_frame(struct sk_buff *skb,
unsigned int frame_size)
{
memset(skb->data, 0xFF, frame_size);
frame_size &= ~1;
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);
}
void ql_check_lb_frame(struct ql_adapter *qdev,
struct sk_buff *skb)
{
unsigned int frame_size = skb->len;
if ((*(skb->data + 3) == 0xFF) &&
(*(skb->data + frame_size / 2 + 10) == 0xBE) &&
(*(skb->data + frame_size / 2 + 12) == 0xAF)) {
atomic_dec(&qdev->lb_count);
return;
}
}
static int ql_run_loopback_test(struct ql_adapter *qdev)
{
int i;
netdev_tx_t rc;
struct sk_buff *skb;
unsigned int size = SMALL_BUF_MAP_SIZE;
for (i = 0; i < 64; i++) {
skb = netdev_alloc_skb(qdev->ndev, size);
if (!skb)
return -ENOMEM;
skb->queue_mapping = 0;
skb_put(skb, size);
ql_create_lb_frame(skb, size);
rc = ql_lb_send(skb, qdev->ndev);
if (rc != NETDEV_TX_OK)
return -EPIPE;
atomic_inc(&qdev->lb_count);
}
ql_clean_lb_rx_ring(&qdev->rx_ring[0], 128);
return atomic_read(&qdev->lb_count) ? -EIO : 0;
}
static int ql_loopback_test(struct ql_adapter *qdev, u64 *data)
{
*data = ql_start_loopback(qdev);
if (*data)
goto out;
*data = ql_run_loopback_test(qdev);
out:
ql_stop_loopback(qdev);
return *data;
}
static void ql_self_test(struct net_device *ndev,
struct ethtool_test *eth_test, u64 *data)
{
struct ql_adapter *qdev = netdev_priv(ndev);
if (netif_running(ndev)) {
set_bit(QL_SELFTEST, &qdev->flags);
if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
/* Offline tests */
if (ql_loopback_test(qdev, &data[0]))
eth_test->flags |= ETH_TEST_FL_FAILED;
} else {
/* Online tests */
data[0] = 0;
}
clear_bit(QL_SELFTEST, &qdev->flags);
} else {
QPRINTK(qdev, DRV, ERR,
"%s: is down, Loopback test will fail.\n", ndev->name);
eth_test->flags |= ETH_TEST_FL_FAILED;
}
}
static int ql_get_regs_len(struct net_device *ndev)
{
return sizeof(struct ql_reg_dump);
@ -575,6 +686,7 @@ const struct ethtool_ops qlge_ethtool_ops = {
.set_msglevel = ql_set_msglevel,
.get_link = ethtool_op_get_link,
.phys_id = ql_phys_id,
.self_test = ql_self_test,
.get_pauseparam = ql_get_pauseparam,
.set_pauseparam = ql_set_pauseparam,
.get_rx_csum = ql_get_rx_csum,

20
drivers/net/qlge/qlge_main.c
View File

@ -1680,6 +1680,13 @@ static void ql_process_mac_rx_intr(struct ql_adapter *qdev,
return;
}
/* loopback self test for ethtool */
if (test_bit(QL_SELFTEST, &qdev->flags)) {
ql_check_lb_frame(qdev, skb);
dev_kfree_skb_any(skb);
return;
}
prefetch(skb->data);
skb->dev = ndev;
if (ib_mac_rsp->flags1 & IB_MAC_IOCB_RSP_M_MASK) {
@ -2248,6 +2255,7 @@ static netdev_tx_t qlge_send(struct sk_buff *skb, struct net_device *ndev)
return NETDEV_TX_OK;
}
static void ql_free_shadow_space(struct ql_adapter *qdev)
{
if (qdev->rx_ring_shadow_reg_area) {
@ -4174,7 +4182,6 @@ err_out:
return err;
}
static const struct net_device_ops qlge_netdev_ops = {
.ndo_open = qlge_open,
.ndo_stop = qlge_close,
@ -4243,10 +4250,21 @@ static int __devinit qlge_probe(struct pci_dev *pdev,
}
ql_link_off(qdev);
ql_display_dev_info(ndev);
atomic_set(&qdev->lb_count, 0);
cards_found++;
return 0;
}
netdev_tx_t ql_lb_send(struct sk_buff *skb, struct net_device *ndev)
{
return qlge_send(skb, ndev);
}
int ql_clean_lb_rx_ring(struct rx_ring *rx_ring, int budget)
{
return ql_clean_inbound_rx_ring(rx_ring, budget);
}
static void __devexit qlge_remove(struct pci_dev *pdev)
{
struct net_device *ndev = pci_get_drvdata(pdev);