diff options
| author | Ben Hutchings <bhutchings@solarflare.com> | 2009-02-27 13:04:07 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-03-02 03:15:02 -0800 |
| commit | 22ef02c23a236cb825b13f3335ff05ef5072a03d (patch) | |
| tree | e7f77a91ebbd0aa811c56b12ba6e408a27d03346 | |
| parent | c747583d19d5d5147a9f0eae480c1fdbc84c4252 (diff) | |
sfc: SFT9001: Include non-breaking cable diagnostics in online self-tests
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/sfc/tenxpress.c | 45 |
1 files changed, 24 insertions, 21 deletions
diff --git a/drivers/net/sfc/tenxpress.c b/drivers/net/sfc/tenxpress.c index 5b0f4516662..23583ba2e7e 100644 --- a/drivers/net/sfc/tenxpress.c +++ b/drivers/net/sfc/tenxpress.c @@ -679,12 +679,10 @@ 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; + int rc = 0, rc2, i, ctrl_reg, res_reg; - if (!(flags & ETH_TEST_FL_OFFLINE)) - return 0; - - efx->phy_op->get_settings(efx, &ecmd); + if (flags & ETH_TEST_FL_OFFLINE) + efx->phy_op->get_settings(efx, &ecmd); /* Initialise cable diagnostic results to unknown failure */ for (i = 1; i < 9; ++i) @@ -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. */ + 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, - (1 << CDIAG_CTRL_IMMED_LBN) | - (1 << CDIAG_CTRL_BRK_LINK_LBN) | - (CDIAG_CTRL_LEN_METRES << CDIAG_CTRL_LEN_UNIT_LBN)); + 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); } @@ -728,17 +730,18 @@ 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: - rc2 = tenxpress_special_reset(efx); - results[0] = rc2 ? -1 : 1; - if (!rc) - rc = rc2; - - rc2 = efx->phy_op->set_settings(efx, &ecmd); - if (!rc) - rc = rc2; +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) + rc = rc2; + + rc2 = efx->phy_op->set_settings(efx, &ecmd); + if (!rc) + rc = rc2; + } return rc; } |