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sfc: Enable autonegotiated flow-control by default if supported

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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:
Steve Hodgson
2010-02-03 09:30:38 +00:00
committed by David S. Miller
parent 8b2103add0
commit 7a6b8f6f7f
3 changed files with 16 additions and 7 deletions
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14
drivers/net/sfc/mcdi_phy.c
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@@ -381,6 +381,18 @@ static int efx_mcdi_phy_probe(struct efx_nic *efx)
* but by convention we don't */
efx->loopback_modes &= ~(1 << LOOPBACK_NONE);
/* Set the initial link mode */
efx_mcdi_phy_decode_link(
efx, &efx->link_state,
MCDI_DWORD(outbuf, GET_LINK_OUT_LINK_SPEED),
MCDI_DWORD(outbuf, GET_LINK_OUT_FLAGS),
MCDI_DWORD(outbuf, GET_LINK_OUT_FCNTL));
/* Default to Autonegotiated flow control if the PHY supports it */
efx->wanted_fc = EFX_FC_RX | EFX_FC_TX;
if (phy_data->supported_cap & (1 << MC_CMD_PHY_CAP_AN_LBN))
efx->wanted_fc |= EFX_FC_AUTO;
return 0;
fail:
@@ -436,7 +448,7 @@ void efx_mcdi_phy_check_fcntl(struct efx_nic *efx, u32 lpa)
/* The link partner capabilities are only relevent if the
* link supports flow control autonegotiation */
if (~phy_cfg->supported_cap & (1 << MC_CMD_PHY_CAP_ASYM_LBN))
if (~phy_cfg->supported_cap & (1 << MC_CMD_PHY_CAP_AN_LBN))
return;
/* If flow control autoneg is supported and enabled, then fine */