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Date: Mon, 5 Jan 2015 18:54:07 -0800
From: David Decotigny <ddecotig@...il.com>
To: Amir Vadai <amirv@...lanox.com>,
Florian Fainelli <f.fainelli@...il.com>,
netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-api@...r.kernel.org
Cc: David Decotigny <decot@...glers.com>,
"David S. Miller" <davem@...emloft.net>,
Jason Wang <jasowang@...hat.com>,
"Michael S. Tsirkin" <mst@...hat.com>,
Herbert Xu <herbert@...dor.apana.org.au>,
Al Viro <viro@...iv.linux.org.uk>,
Ben Hutchings <ben@...adent.org.uk>,
Masatake YAMATO <yamato@...hat.com>, Xi Wang <xii@...gle.com>,
Neil Horman <nhorman@...driver.com>,
WANG Cong <xiyou.wangcong@...il.com>,
Flavio Leitner <fbl@...hat.com>, Tom Gundersen <teg@...m.no>,
Jiri Pirko <jiri@...nulli.us>,
Vlad Yasevich <vyasevic@...hat.com>,
"Eric W. Biederman" <ebiederm@...ssion.com>,
Saeed Mahameed <saeedm@...lanox.com>,
Venkata Duvvuru <VenkatKumar.Duvvuru@...lex.Com>,
Govindarajulu Varadarajan <_govind@....com>
Subject: [PATCH net-next v2 5/8] net: mdio: extend link mode support to 48 bits
From: David Decotigny <decot@...glers.com>
Signed-off-by: David Decotigny <decot@...glers.com>
---
drivers/net/mdio.c | 59 +++++++++++++++++++++++++++++-----------------------
include/linux/mdio.h | 15 +++++++------
2 files changed, 42 insertions(+), 32 deletions(-)
diff --git a/drivers/net/mdio.c b/drivers/net/mdio.c
index 3e027ed..5cac2ac 100644
--- a/drivers/net/mdio.c
+++ b/drivers/net/mdio.c
@@ -148,9 +148,10 @@ int mdio45_nway_restart(const struct mdio_if_info *mdio)
}
EXPORT_SYMBOL(mdio45_nway_restart);
-static u32 mdio45_get_an(const struct mdio_if_info *mdio, u16 addr)
+static ethtool_link_mode_mask_t
+mdio45_get_an(const struct mdio_if_info *mdio, u16 addr)
{
- u32 result = 0;
+ ethtool_link_mode_mask_t result = 0;
int reg;
reg = mdio->mdio_read(mdio->dev, mdio->prtad, MDIO_MMD_AN, addr);
@@ -185,9 +186,11 @@ static u32 mdio45_get_an(const struct mdio_if_info *mdio, u16 addr)
*/
void mdio45_ethtool_gset_npage(const struct mdio_if_info *mdio,
struct ethtool_cmd *ecmd,
- u32 npage_adv, u32 npage_lpa)
+ ethtool_link_mode_mask_t npage_adv,
+ ethtool_link_mode_mask_t npage_lpa)
{
int reg;
+ ethtool_link_mode_mask_t supported_link_modes, advertising_link_modes;
u32 speed;
BUILD_BUG_ON(MDIO_SUPPORTS_C22 != ETH_MDIO_SUPPORTS_C22);
@@ -206,64 +209,64 @@ void mdio45_ethtool_gset_npage(const struct mdio_if_info *mdio,
case MDIO_PMA_CTRL2_100BTX:
case MDIO_PMA_CTRL2_10BT:
ecmd->port = PORT_TP;
- ecmd->supported = SUPPORTED_TP;
+ supported_link_modes = SUPPORTED_TP;
reg = mdio->mdio_read(mdio->dev, mdio->prtad, MDIO_MMD_PMAPMD,
MDIO_SPEED);
if (reg & MDIO_SPEED_10G)
- ecmd->supported |= SUPPORTED_10000baseT_Full;
+ supported_link_modes |= SUPPORTED_10000baseT_Full;
if (reg & MDIO_PMA_SPEED_1000)
- ecmd->supported |= (SUPPORTED_1000baseT_Full |
+ supported_link_modes |= (SUPPORTED_1000baseT_Full |
SUPPORTED_1000baseT_Half);
if (reg & MDIO_PMA_SPEED_100)
- ecmd->supported |= (SUPPORTED_100baseT_Full |
+ supported_link_modes |= (SUPPORTED_100baseT_Full |
SUPPORTED_100baseT_Half);
if (reg & MDIO_PMA_SPEED_10)
- ecmd->supported |= (SUPPORTED_10baseT_Full |
+ supported_link_modes |= (SUPPORTED_10baseT_Full |
SUPPORTED_10baseT_Half);
- ecmd->advertising = ADVERTISED_TP;
+ advertising_link_modes = ADVERTISED_TP;
break;
case MDIO_PMA_CTRL2_10GBCX4:
ecmd->port = PORT_OTHER;
- ecmd->supported = 0;
- ecmd->advertising = 0;
+ supported_link_modes = 0;
+ advertising_link_modes = 0;
break;
case MDIO_PMA_CTRL2_10GBKX4:
case MDIO_PMA_CTRL2_10GBKR:
case MDIO_PMA_CTRL2_1000BKX:
ecmd->port = PORT_OTHER;
- ecmd->supported = SUPPORTED_Backplane;
+ supported_link_modes = SUPPORTED_Backplane;
reg = mdio->mdio_read(mdio->dev, mdio->prtad, MDIO_MMD_PMAPMD,
MDIO_PMA_EXTABLE);
if (reg & MDIO_PMA_EXTABLE_10GBKX4)
- ecmd->supported |= SUPPORTED_10000baseKX4_Full;
+ supported_link_modes |= SUPPORTED_10000baseKX4_Full;
if (reg & MDIO_PMA_EXTABLE_10GBKR)
- ecmd->supported |= SUPPORTED_10000baseKR_Full;
+ supported_link_modes |= SUPPORTED_10000baseKR_Full;
if (reg & MDIO_PMA_EXTABLE_1000BKX)
- ecmd->supported |= SUPPORTED_1000baseKX_Full;
+ supported_link_modes |= SUPPORTED_1000baseKX_Full;
reg = mdio->mdio_read(mdio->dev, mdio->prtad, MDIO_MMD_PMAPMD,
MDIO_PMA_10GBR_FECABLE);
if (reg & MDIO_PMA_10GBR_FECABLE_ABLE)
- ecmd->supported |= SUPPORTED_10000baseR_FEC;
- ecmd->advertising = ADVERTISED_Backplane;
+ supported_link_modes |= SUPPORTED_10000baseR_FEC;
+ advertising_link_modes = ADVERTISED_Backplane;
break;
/* All the other defined modes are flavours of optical */
default:
ecmd->port = PORT_FIBRE;
- ecmd->supported = SUPPORTED_FIBRE;
- ecmd->advertising = ADVERTISED_FIBRE;
+ supported_link_modes = SUPPORTED_FIBRE;
+ advertising_link_modes = ADVERTISED_FIBRE;
break;
}
if (mdio->mmds & MDIO_DEVS_AN) {
- ecmd->supported |= SUPPORTED_Autoneg;
+ supported_link_modes |= SUPPORTED_Autoneg;
reg = mdio->mdio_read(mdio->dev, mdio->prtad, MDIO_MMD_AN,
MDIO_CTRL1);
if (reg & MDIO_AN_CTRL1_ENABLE) {
ecmd->autoneg = AUTONEG_ENABLE;
- ecmd->advertising |=
+ advertising_link_modes |=
ADVERTISED_Autoneg |
mdio45_get_an(mdio, MDIO_AN_ADVERTISE) |
npage_adv;
@@ -275,21 +278,22 @@ void mdio45_ethtool_gset_npage(const struct mdio_if_info *mdio,
}
if (ecmd->autoneg) {
- u32 modes = 0;
+ ethtool_link_mode_mask_t modes = 0;
int an_stat = mdio->mdio_read(mdio->dev, mdio->prtad,
MDIO_MMD_AN, MDIO_STAT1);
/* If AN is complete and successful, report best common
* mode, otherwise report best advertised mode. */
if (an_stat & MDIO_AN_STAT1_COMPLETE) {
- ecmd->lp_advertising =
+ ethtool_link_mode_mask_t lp_adv =
mdio45_get_an(mdio, MDIO_AN_LPA) | npage_lpa;
if (an_stat & MDIO_AN_STAT1_LPABLE)
- ecmd->lp_advertising |= ADVERTISED_Autoneg;
- modes = ecmd->advertising & ecmd->lp_advertising;
+ lp_adv |= ADVERTISED_Autoneg;
+ ethtool_cmd_lp_advertising_set(ecmd, lp_adv);
+ modes = advertising_link_modes & lp_adv;
}
if ((modes & ~ADVERTISED_Autoneg) == 0)
- modes = ecmd->advertising;
+ modes = advertising_link_modes;
if (modes & (ADVERTISED_10000baseT_Full |
ADVERTISED_10000baseKX4_Full |
@@ -338,6 +342,9 @@ void mdio45_ethtool_gset_npage(const struct mdio_if_info *mdio,
break;
}
}
+
+ ethtool_cmd_supported_set(ecmd, supported_link_modes);
+ ethtool_cmd_advertising_set(ecmd, advertising_link_modes);
}
EXPORT_SYMBOL(mdio45_ethtool_gset_npage);
diff --git a/include/linux/mdio.h b/include/linux/mdio.h
index b42963b..18c649a 100644
--- a/include/linux/mdio.h
+++ b/include/linux/mdio.h
@@ -69,7 +69,8 @@ extern int mdio45_links_ok(const struct mdio_if_info *mdio, u32 mmds);
extern int mdio45_nway_restart(const struct mdio_if_info *mdio);
extern void mdio45_ethtool_gset_npage(const struct mdio_if_info *mdio,
struct ethtool_cmd *ecmd,
- u32 npage_adv, u32 npage_lpa);
+ ethtool_link_mode_mask_t npage_adv,
+ ethtool_link_mode_mask_t npage_lpa);
/**
* mdio45_ethtool_gset - get settings for ETHTOOL_GSET
@@ -97,9 +98,10 @@ extern int mdio_mii_ioctl(const struct mdio_if_info *mdio,
* A small helper function that translates MMD EEE Capability (3.20) bits
* to ethtool supported settings.
*/
-static inline u32 mmd_eee_cap_to_ethtool_sup_t(u16 eee_cap)
+static inline ethtool_link_mode_mask_t
+mmd_eee_cap_to_ethtool_sup_t(u16 eee_cap)
{
- u32 supported = 0;
+ ethtool_link_mode_mask_t supported = 0;
if (eee_cap & MDIO_EEE_100TX)
supported |= SUPPORTED_100baseT_Full;
@@ -125,9 +127,10 @@ static inline u32 mmd_eee_cap_to_ethtool_sup_t(u16 eee_cap)
* and MMD EEE Link Partner Ability (7.61) bits to ethtool advertisement
* settings.
*/
-static inline u32 mmd_eee_adv_to_ethtool_adv_t(u16 eee_adv)
+static inline ethtool_link_mode_mask_t
+mmd_eee_adv_to_ethtool_adv_t(u16 eee_adv)
{
- u32 adv = 0;
+ ethtool_link_mode_mask_t adv = 0;
if (eee_adv & MDIO_EEE_100TX)
adv |= ADVERTISED_100baseT_Full;
@@ -153,7 +156,7 @@ static inline u32 mmd_eee_adv_to_ethtool_adv_t(u16 eee_adv)
* to EEE advertisements for the MMD EEE Advertisement (7.60) and
* MMD EEE Link Partner Ability (7.61) registers.
*/
-static inline u16 ethtool_adv_to_mmd_eee_adv_t(u32 adv)
+static inline u16 ethtool_adv_to_mmd_eee_adv_t(ethtool_link_mode_mask_t adv)
{
u16 reg = 0;
--
2.2.0.rc0.207.ga3a616c
--
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