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sfc: SFT9001: Include non-breaking cable diagnostics in online self-tests

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Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ben Hutchings 2009-02-27 13:04:07 +00:00 committed by David S. Miller
parent c747583d19
commit 22ef02c23a
1 changed files with 23 additions and 20 deletions
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27
drivers/net/sfc/tenxpress.c
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@ -679,11 +679,9 @@ static int sft9001_run_tests(struct efx_nic *efx, int *results, unsigned flags)
{
struct ethtool_cmd ecmd;
int phy_id = efx->mii.phy_id;
int rc = 0, rc2, i, res_reg;
if (!(flags & ETH_TEST_FL_OFFLINE))
return 0;
int rc = 0, rc2, i, ctrl_reg, res_reg;
if (flags & ETH_TEST_FL_OFFLINE)
efx->phy_op->get_settings(efx, &ecmd);
/* Initialise cable diagnostic results to unknown failure */
@ -692,18 +690,22 @@ static int sft9001_run_tests(struct efx_nic *efx, int *results, unsigned flags)
/* Run cable diagnostics; wait up to 5 seconds for them to complete.
* A cable fault is not a self-test failure, but a timeout is. */
mdio_clause45_write(efx, phy_id, MDIO_MMD_PMAPMD,
PMA_PMD_CDIAG_CTRL_REG,
(1 << CDIAG_CTRL_IMMED_LBN) |
(1 << CDIAG_CTRL_BRK_LINK_LBN) |
ctrl_reg = ((1 << CDIAG_CTRL_IMMED_LBN) |
(CDIAG_CTRL_LEN_METRES << CDIAG_CTRL_LEN_UNIT_LBN));
if (flags & ETH_TEST_FL_OFFLINE) {
/* Break the link in order to run full diagnostics. We
* must reset the PHY to resume normal service. */
ctrl_reg |= (1 << CDIAG_CTRL_BRK_LINK_LBN);
}
mdio_clause45_write(efx, phy_id, MDIO_MMD_PMAPMD,
PMA_PMD_CDIAG_CTRL_REG, ctrl_reg);
i = 0;
while (mdio_clause45_read(efx, phy_id, MDIO_MMD_PMAPMD,
PMA_PMD_CDIAG_CTRL_REG) &
(1 << CDIAG_CTRL_IN_PROG_LBN)) {
if (++i == 50) {
rc = -ETIMEDOUT;
goto reset;
goto out;
}
msleep(100);
}
@ -728,9 +730,9 @@ static int sft9001_run_tests(struct efx_nic *efx, int *results, unsigned flags)
results[5 + i] = len_reg;
}
/* We must reset to exit cable diagnostic mode. The BIST will
* also run when we do this. */
reset:
out:
if (flags & ETH_TEST_FL_OFFLINE) {
/* Reset, running the BIST and then resuming normal service. */
rc2 = tenxpress_special_reset(efx);
results[0] = rc2 ? -1 : 1;
if (!rc)
@ -739,6 +741,7 @@ reset:
rc2 = efx->phy_op->set_settings(efx, &ecmd);
if (!rc)
rc = rc2;
}
return rc;
}