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Date: Wed, 29 Apr 2009 19:20:37 +0100
From: Ben Hutchings <bhutchings@...arflare.com>
To: David Miller <davem@...emloft.net>
Cc: netdev@...r.kernel.org, linux-net-drivers@...arflare.com
Subject: [PATCH 13/16] sfc: Use generic MDIO flow control auto-negotiation
functions
Signed-off-by: Ben Hutchings <bhutchings@...arflare.com>
---
drivers/net/sfc/ethtool.c | 3 ++-
drivers/net/sfc/mdio_10g.c | 22 +---------------------
drivers/net/sfc/mdio_10g.h | 3 ---
drivers/net/sfc/net_driver.h | 26 ++++----------------------
drivers/net/sfc/tenxpress.c | 1 -
5 files changed, 7 insertions(+), 48 deletions(-)
diff --git a/drivers/net/sfc/ethtool.c b/drivers/net/sfc/ethtool.c
index 1c7b684..997ea2a 100644
--- a/drivers/net/sfc/ethtool.c
+++ b/drivers/net/sfc/ethtool.c
@@ -711,7 +711,8 @@ static int efx_ethtool_set_pauseparam(struct net_device *net_dev,
mutex_lock(&efx->mac_lock);
efx->wanted_fc = wanted_fc;
- efx_mdio_set_pause(efx);
+ if (efx->phy_op->mmds & MDIO_DEVS_AN)
+ mdio45_ethtool_spauseparam_an(&efx->mdio, pause);
__efx_reconfigure_port(efx);
mutex_unlock(&efx->mac_lock);
diff --git a/drivers/net/sfc/mdio_10g.c b/drivers/net/sfc/mdio_10g.c
index 11c231a..6c33459 100644
--- a/drivers/net/sfc/mdio_10g.c
+++ b/drivers/net/sfc/mdio_10g.c
@@ -304,7 +304,7 @@ int efx_mdio_set_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd)
else if (ecmd->advertising & (ADVERTISED_1000baseT_Half |
ADVERTISED_1000baseT_Full))
reg |= ADVERTISE_NPAGE;
- reg |= efx_fc_advertise(efx->wanted_fc);
+ reg |= mii_advertise_flowctrl(efx->wanted_fc);
efx_mdio_write(efx, MDIO_MMD_AN, MDIO_AN_ADVERTISE, reg);
/* Set up the (extended) next page if necessary */
@@ -340,26 +340,6 @@ int efx_mdio_set_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd)
return 0;
}
-void efx_mdio_set_pause(struct efx_nic *efx)
-{
- int reg;
-
- if (efx->phy_op->mmds & MDIO_DEVS_AN) {
- /* Set pause capability advertising */
- reg = efx_mdio_read(efx, MDIO_MMD_AN, MDIO_AN_ADVERTISE);
- reg &= ~(ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM);
- reg |= efx_fc_advertise(efx->wanted_fc);
- efx_mdio_write(efx, MDIO_MMD_AN, MDIO_AN_ADVERTISE, reg);
-
- /* Restart auto-negotiation */
- reg = efx_mdio_read(efx, MDIO_MMD_AN, MDIO_CTRL1);
- if (reg & MDIO_AN_CTRL1_ENABLE) {
- reg |= MDIO_AN_CTRL1_RESTART;
- efx_mdio_write(efx, MDIO_MMD_AN, MDIO_CTRL1, reg);
- }
- }
-}
-
enum efx_fc_type efx_mdio_get_pause(struct efx_nic *efx)
{
int lpa;
diff --git a/drivers/net/sfc/mdio_10g.h b/drivers/net/sfc/mdio_10g.h
index ea4587d..6b14421 100644
--- a/drivers/net/sfc/mdio_10g.h
+++ b/drivers/net/sfc/mdio_10g.h
@@ -87,9 +87,6 @@ extern void efx_mdio_set_mmds_lpower(struct efx_nic *efx,
/* Set (some of) the PHY settings over MDIO */
extern int efx_mdio_set_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd);
-/* Set pause parameters to be advertised through AN (if available) */
-extern void efx_mdio_set_pause(struct efx_nic *efx);
-
/* Get pause parameters from AN if available (otherwise return
* requested pause parameters)
*/
diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h
index 457e2f1..5eabede 100644
--- a/drivers/net/sfc/net_driver.h
+++ b/drivers/net/sfc/net_driver.h
@@ -495,8 +495,8 @@ struct efx_nic;
/* Pseudo bit-mask flow control field */
enum efx_fc_type {
- EFX_FC_RX = 1,
- EFX_FC_TX = 2,
+ EFX_FC_RX = FLOW_CTRL_RX,
+ EFX_FC_TX = FLOW_CTRL_TX,
EFX_FC_AUTO = 4,
};
@@ -506,33 +506,15 @@ enum efx_mac_type {
EFX_XMAC = 2,
};
-static inline unsigned int efx_fc_advertise(enum efx_fc_type wanted_fc)
-{
- unsigned int adv = 0;
- if (wanted_fc & EFX_FC_RX)
- adv = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
- if (wanted_fc & EFX_FC_TX)
- adv ^= ADVERTISE_PAUSE_ASYM;
- return adv;
-}
-
static inline enum efx_fc_type efx_fc_resolve(enum efx_fc_type wanted_fc,
unsigned int lpa)
{
- unsigned int adv = efx_fc_advertise(wanted_fc);
+ BUILD_BUG_ON(EFX_FC_AUTO & (EFX_FC_RX | EFX_FC_TX));
if (!(wanted_fc & EFX_FC_AUTO))
return wanted_fc;
- if (adv & lpa & ADVERTISE_PAUSE_CAP)
- return EFX_FC_RX | EFX_FC_TX;
- if (adv & lpa & ADVERTISE_PAUSE_ASYM) {
- if (adv & ADVERTISE_PAUSE_CAP)
- return EFX_FC_RX;
- if (lpa & ADVERTISE_PAUSE_CAP)
- return EFX_FC_TX;
- }
- return 0;
+ return mii_resolve_flowctrl_fdx(mii_advertise_flowctrl(wanted_fc), lpa);
}
/**
diff --git a/drivers/net/sfc/tenxpress.c b/drivers/net/sfc/tenxpress.c
index 403f7d7..0421190 100644
--- a/drivers/net/sfc/tenxpress.c
+++ b/drivers/net/sfc/tenxpress.c
@@ -343,7 +343,6 @@ static int tenxpress_phy_init(struct efx_nic *efx)
rc = tenxpress_init(efx);
if (rc < 0)
goto fail;
- efx_mdio_set_pause(efx);
if (efx->phy_type == PHY_TYPE_SFT9001B) {
rc = device_create_file(&efx->pci_dev->dev,
--
Ben Hutchings, Senior Software Engineer, Solarflare Communications
Not speaking for my employer; that's the marketing department's job.
They asked us to note that Solarflare product names are trademarked.
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