diff options
| author |   Ben Hutchings <bhutchings@solarflare.com> | 2008-12-26 13:46:12 -0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2008-12-26 13:46:12 -0800 |
| commit | caa8d8bbddc9157cb8f34465be98fc83faf37155 (patch) | |
| tree | 614d9c3396b94f154239a8199758b4068c72a3e5 /drivers/net/sfc/tenxpress.c | |
| parent | sfc: Generate unique names for per-NIC workqueues (diff) | |
| download | linux-dev-caa8d8bbddc9157cb8f34465be98fc83faf37155.tar.xz linux-dev-caa8d8bbddc9157cb8f34465be98fc83faf37155.zip | |
sfc: Fix unreliable link detection in some loopback modes
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
| -rw-r--r-- | drivers/net/sfc/tenxpress.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/net/sfc/tenxpress.c b/drivers/net/sfc/tenxpress.c index b3ca2dc8040d..1567ab538e27 100644 --- a/drivers/net/sfc/tenxpress.c +++ b/drivers/net/sfc/tenxpress.c @@ -445,14 +445,13 @@ static bool sft9001_link_ok(struct efx_nic *efx, struct ethtool_cmd *ecmd) int phy_id = efx->mii.phy_id; u32 reg; - if (efx->loopback_mode == LOOPBACK_GPHY) - return true; - else if (efx_phy_mode_disabled(efx->phy_mode)) + if (efx_phy_mode_disabled(efx->phy_mode)) return false; + else if (efx->loopback_mode == LOOPBACK_GPHY) + return true; else if (efx->loopback_mode) return mdio_clause45_links_ok(efx, MDIO_MMDREG_DEVS_PMAPMD | - MDIO_MMDREG_DEVS_PCS | MDIO_MMDREG_DEVS_PHYXS); /* We must use the same definition of link state as LASI, @@ -588,6 +587,10 @@ static void tenxpress_phy_poll(struct efx_nic *efx) change = true; } sfx7101_check_bad_lp(efx, link_ok); + } else if (efx->loopback_mode) { + bool link_ok = sft9001_link_ok(efx, NULL); + if (link_ok != efx->link_up) + change = true; } else { u32 status = mdio_clause45_read(efx, efx->mii.phy_id, MDIO_MMD_PMAPMD, |