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path: root/drivers/net/sfc/mdio_10g.c
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Diffstat (limited to 'drivers/net/sfc/mdio_10g.c')
-rw-r--r--drivers/net/sfc/mdio_10g.c144
1 files changed, 65 insertions, 79 deletions
diff --git a/drivers/net/sfc/mdio_10g.c b/drivers/net/sfc/mdio_10g.c
index 6c33459f9ea..1574e52f059 100644
--- a/drivers/net/sfc/mdio_10g.c
+++ b/drivers/net/sfc/mdio_10g.c
@@ -1,6 +1,6 @@
/****************************************************************************
* Driver for Solarflare Solarstorm network controllers and boards
- * Copyright 2006-2008 Solarflare Communications Inc.
+ * Copyright 2006-2009 Solarflare Communications Inc.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
@@ -14,8 +14,8 @@
#include <linux/delay.h>
#include "net_driver.h"
#include "mdio_10g.h"
-#include "boards.h"
#include "workarounds.h"
+#include "nic.h"
unsigned efx_mdio_id_oui(u32 id)
{
@@ -174,7 +174,7 @@ bool efx_mdio_links_ok(struct efx_nic *efx, unsigned int mmd_mask)
* of mmd's */
if (LOOPBACK_INTERNAL(efx))
return true;
- else if (efx->loopback_mode == LOOPBACK_NETWORK)
+ else if (LOOPBACK_MASK(efx) & LOOPBACKS_WS)
return false;
else if (efx_phy_mode_disabled(efx->phy_mode))
return false;
@@ -211,7 +211,7 @@ void efx_mdio_phy_reconfigure(struct efx_nic *efx)
efx->loopback_mode == LOOPBACK_PCS);
efx_mdio_set_flag(efx, MDIO_MMD_PHYXS,
MDIO_CTRL1, MDIO_PHYXS_CTRL1_LOOPBACK,
- efx->loopback_mode == LOOPBACK_NETWORK);
+ efx->loopback_mode == LOOPBACK_PHYXS_WS);
}
static void efx_mdio_set_mmd_lpower(struct efx_nic *efx,
@@ -249,8 +249,6 @@ void efx_mdio_set_mmds_lpower(struct efx_nic *efx,
int efx_mdio_set_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd)
{
struct ethtool_cmd prev;
- u32 required;
- int reg;
efx->phy_op->get_settings(efx, &prev);
@@ -266,86 +264,74 @@ int efx_mdio_set_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd)
return -EINVAL;
/* Check that PHY supports these settings */
- if (ecmd->autoneg) {
- required = SUPPORTED_Autoneg;
- } else if (ecmd->duplex) {
- switch (ecmd->speed) {
- case SPEED_10: required = SUPPORTED_10baseT_Full; break;
- case SPEED_100: required = SUPPORTED_100baseT_Full; break;
- default: return -EINVAL;
- }
- } else {
- switch (ecmd->speed) {
- case SPEED_10: required = SUPPORTED_10baseT_Half; break;
- case SPEED_100: required = SUPPORTED_100baseT_Half; break;
- default: return -EINVAL;
- }
- }
- required |= ecmd->advertising;
- if (required & ~prev.supported)
+ if (!ecmd->autoneg ||
+ (ecmd->advertising | SUPPORTED_Autoneg) & ~prev.supported)
return -EINVAL;
- if (ecmd->autoneg) {
- bool xnp = (ecmd->advertising & ADVERTISED_10000baseT_Full
- || EFX_WORKAROUND_13204(efx));
-
- /* Set up the base page */
- reg = ADVERTISE_CSMA;
- if (ecmd->advertising & ADVERTISED_10baseT_Half)
- reg |= ADVERTISE_10HALF;
- if (ecmd->advertising & ADVERTISED_10baseT_Full)
- reg |= ADVERTISE_10FULL;
- if (ecmd->advertising & ADVERTISED_100baseT_Half)
- reg |= ADVERTISE_100HALF;
- if (ecmd->advertising & ADVERTISED_100baseT_Full)
- reg |= ADVERTISE_100FULL;
- if (xnp)
- reg |= ADVERTISE_RESV;
- else if (ecmd->advertising & (ADVERTISED_1000baseT_Half |
- ADVERTISED_1000baseT_Full))
- reg |= ADVERTISE_NPAGE;
- 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 */
- if (efx->phy_op->set_npage_adv)
- efx->phy_op->set_npage_adv(efx, ecmd->advertising);
-
- /* Enable and restart AN */
- reg = efx_mdio_read(efx, MDIO_MMD_AN, MDIO_CTRL1);
- reg |= MDIO_AN_CTRL1_ENABLE;
- if (!(EFX_WORKAROUND_15195(efx) &&
- LOOPBACK_MASK(efx) & efx->phy_op->loopbacks))
- reg |= MDIO_AN_CTRL1_RESTART;
- if (xnp)
- reg |= MDIO_AN_CTRL1_XNP;
- else
- reg &= ~MDIO_AN_CTRL1_XNP;
- efx_mdio_write(efx, MDIO_MMD_AN, MDIO_CTRL1, reg);
- } else {
- /* Disable AN */
- efx_mdio_set_flag(efx, MDIO_MMD_AN, MDIO_CTRL1,
- MDIO_AN_CTRL1_ENABLE, false);
-
- /* Set the basic control bits */
- reg = efx_mdio_read(efx, MDIO_MMD_PMAPMD, MDIO_CTRL1);
- reg &= ~(MDIO_CTRL1_SPEEDSEL | MDIO_CTRL1_FULLDPLX);
- if (ecmd->speed == SPEED_100)
- reg |= MDIO_PMA_CTRL1_SPEED100;
- if (ecmd->duplex)
- reg |= MDIO_CTRL1_FULLDPLX;
- efx_mdio_write(efx, MDIO_MMD_PMAPMD, MDIO_CTRL1, reg);
- }
-
+ efx_link_set_advertising(efx, ecmd->advertising | ADVERTISED_Autoneg);
+ efx_mdio_an_reconfigure(efx);
return 0;
}
+/**
+ * efx_mdio_an_reconfigure - Push advertising flags and restart autonegotiation
+ * @efx: Efx NIC
+ */
+void efx_mdio_an_reconfigure(struct efx_nic *efx)
+{
+ bool xnp = (efx->link_advertising & ADVERTISED_10000baseT_Full
+ || EFX_WORKAROUND_13204(efx));
+ int reg;
+
+ WARN_ON(!(efx->mdio.mmds & MDIO_DEVS_AN));
+
+ /* Set up the base page */
+ reg = ADVERTISE_CSMA;
+ if (efx->link_advertising & ADVERTISED_10baseT_Half)
+ reg |= ADVERTISE_10HALF;
+ if (efx->link_advertising & ADVERTISED_10baseT_Full)
+ reg |= ADVERTISE_10FULL;
+ if (efx->link_advertising & ADVERTISED_100baseT_Half)
+ reg |= ADVERTISE_100HALF;
+ if (efx->link_advertising & ADVERTISED_100baseT_Full)
+ reg |= ADVERTISE_100FULL;
+ if (xnp)
+ reg |= ADVERTISE_RESV;
+ else if (efx->link_advertising & (ADVERTISED_1000baseT_Half |
+ ADVERTISED_1000baseT_Full))
+ reg |= ADVERTISE_NPAGE;
+ if (efx->link_advertising & ADVERTISED_Pause)
+ reg |= ADVERTISE_PAUSE_CAP;
+ if (efx->link_advertising & ADVERTISED_Asym_Pause)
+ reg |= ADVERTISE_PAUSE_ASYM;
+ efx_mdio_write(efx, MDIO_MMD_AN, MDIO_AN_ADVERTISE, reg);
+
+ /* Set up the (extended) next page if necessary */
+ if (efx->phy_op->set_npage_adv)
+ efx->phy_op->set_npage_adv(efx, efx->link_advertising);
+
+ /* Enable and restart AN */
+ reg = efx_mdio_read(efx, MDIO_MMD_AN, MDIO_CTRL1);
+ reg |= MDIO_AN_CTRL1_ENABLE;
+ if (!(EFX_WORKAROUND_15195(efx) && LOOPBACK_EXTERNAL(efx)))
+ reg |= MDIO_AN_CTRL1_RESTART;
+ if (xnp)
+ reg |= MDIO_AN_CTRL1_XNP;
+ else
+ reg &= ~MDIO_AN_CTRL1_XNP;
+ efx_mdio_write(efx, MDIO_MMD_AN, MDIO_CTRL1, reg);
+}
+
enum efx_fc_type efx_mdio_get_pause(struct efx_nic *efx)
{
- int lpa;
+ BUILD_BUG_ON(EFX_FC_AUTO & (EFX_FC_RX | EFX_FC_TX));
- if (!(efx->phy_op->mmds & MDIO_DEVS_AN))
+ if (!(efx->wanted_fc & EFX_FC_AUTO))
return efx->wanted_fc;
- lpa = efx_mdio_read(efx, MDIO_MMD_AN, MDIO_AN_LPA);
- return efx_fc_resolve(efx->wanted_fc, lpa);
+
+ WARN_ON(!(efx->mdio.mmds & MDIO_DEVS_AN));
+
+ return mii_resolve_flowctrl_fdx(
+ mii_advertise_flowctrl(efx->wanted_fc),
+ efx_mdio_read(efx, MDIO_MMD_AN, MDIO_AN_LPA));
}
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-16 05:44:41 +0000