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Date: Mon, 1 Apr 2019 13:14:28 -0400
From: Michael Zhivich <mzhivich@...mai.com>
To: <davem@...emloft.net>
CC: <netdev@...r.kernel.org>, <dledford@...hat.com>, <andrew@...n.ch>,
<LinoSanfilippo@....de>, <thomas.lendacky@....com>,
<iyappan@...amperecomputing.com>, <quan@...amperecomputing.com>,
<jcliburn@...il.com>, <siva.kallam@...adcom.com>,
<sgoutham@...ium.com>, <shshaikh@...vell.com>,
<bh74.an@...sung.com>, <peppe.cavallaro@...com>,
<mcoquelin.stm32@...il.com>, <hkallweit1@...il.com>,
Michael Zhivich <mzhivich@...mai.com>
Subject: [PATCH] ethtool: fix SPEED_UNKNOWN definition to avoid signed-unsigned comparison
When building C++ userspace code that includes ethtool.h
with "-Werror -Wall", g++ complains about signed-unsigned comparison in
ethtool_validate_speed() due to definition of SPEED_UNKNOWN as -1.
Change definition of SPEED_UNKNOWN to UINT_MAX to match the type of
ethtool_validate_speed() argument (__u32).
Update storage type for link speed in drivers to use u32 instead of int
or u16 to bring drivers up-to-date with ethtool.h which includes SPEED_*
constants larger than range of u16.
Fix usage of SPEED_* constants in
drivers/net/ethernet/cavium/thunder/thunder_bgx.c and
drivers/infiniband/ulp/ipoib/ipoib_ethtool.c.
Signed-off-by: Michael Zhivich <mzhivich@...mai.com>
---
drivers/infiniband/ulp/ipoib/ipoib_ethtool.c | 7 ++++---
drivers/net/dsa/mv88e6xxx/chip.c | 5 +++--
drivers/net/dsa/mv88e6xxx/serdes.c | 2 +-
drivers/net/ethernet/alacritech/slic.h | 2 +-
drivers/net/ethernet/alacritech/slicoss.c | 6 +++---
drivers/net/ethernet/amd/xgbe/xgbe-mdio.c | 2 +-
drivers/net/ethernet/amd/xgbe/xgbe-phy-v1.c | 2 +-
drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c | 4 ++--
drivers/net/ethernet/amd/xgbe/xgbe.h | 6 +++---
drivers/net/ethernet/apm/xgene-v2/main.h | 2 +-
drivers/net/ethernet/apm/xgene/xgene_enet_main.h | 2 +-
drivers/net/ethernet/atheros/alx/hw.h | 2 +-
drivers/net/ethernet/atheros/alx/main.c | 2 +-
drivers/net/ethernet/broadcom/bgmac.h | 2 +-
drivers/net/ethernet/broadcom/tg3.c | 8 ++++----
drivers/net/ethernet/broadcom/tg3.h | 4 ++--
drivers/net/ethernet/cavium/thunder/thunder_bgx.c | 16 ++++++++--------
drivers/net/ethernet/qlogic/qlcnic/qlcnic.h | 2 +-
drivers/net/ethernet/samsung/sxgbe/sxgbe_common.h | 2 +-
drivers/net/ethernet/stmicro/stmmac/stmmac.h | 2 +-
drivers/net/phy/phy-core.c | 2 +-
include/linux/phy.h | 4 ++--
include/linux/phylink.h | 2 +-
include/uapi/linux/ethtool.h | 2 +-
24 files changed, 46 insertions(+), 44 deletions(-)
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c b/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c
index 8342992..97c301a 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c
@@ -157,7 +157,7 @@ static int ipoib_get_sset_count(struct net_device __always_unused *dev,
}
/* Return lane speed in unit of 1e6 bit/sec */
-static inline int ib_speed_enum_to_int(int speed)
+static inline u32 ib_speed_enum_to_int(int speed)
{
switch (speed) {
case IB_SPEED_SDR:
@@ -181,7 +181,8 @@ static int ipoib_get_link_ksettings(struct net_device *netdev,
{
struct ipoib_dev_priv *priv = ipoib_priv(netdev);
struct ib_port_attr attr;
- int ret, speed, width;
+ int ret, width;
+ u32 speed;
if (!netif_carrier_ok(netdev)) {
cmd->base.speed = SPEED_UNKNOWN;
@@ -196,7 +197,7 @@ static int ipoib_get_link_ksettings(struct net_device *netdev,
speed = ib_speed_enum_to_int(attr.active_speed);
width = ib_width_enum_to_int(attr.active_width);
- if (speed < 0 || width < 0)
+ if (speed == SPEED_UNKNOWN || width < 0)
return -EINVAL;
/* Except the following are set, the other members of
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index f4e2db4..de57fde 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -550,7 +550,7 @@ int mv88e6xxx_update(struct mv88e6xxx_chip *chip, int addr, int reg, u16 update)
}
int mv88e6xxx_port_setup_mac(struct mv88e6xxx_chip *chip, int port, int link,
- int speed, int duplex, int pause,
+ u32 speed, int duplex, int pause,
phy_interface_t mode)
{
int err;
@@ -760,7 +760,8 @@ static void mv88e6xxx_mac_config(struct dsa_switch *ds, int port,
const struct phylink_link_state *state)
{
struct mv88e6xxx_chip *chip = ds->priv;
- int speed, duplex, link, pause, err;
+ int duplex, link, pause, err;
+ u32 speed;
if ((mode == MLO_AN_PHY) && mv88e6xxx_phy_is_internal(ds, port))
return;
diff --git a/drivers/net/dsa/mv88e6xxx/serdes.c b/drivers/net/dsa/mv88e6xxx/serdes.c
index 6a5de1b7..83b26ef 100644
--- a/drivers/net/dsa/mv88e6xxx/serdes.c
+++ b/drivers/net/dsa/mv88e6xxx/serdes.c
@@ -511,7 +511,7 @@ static void mv88e6390_serdes_irq_link_sgmii(struct mv88e6xxx_chip *chip,
{
struct dsa_switch *ds = chip->ds;
int duplex = DUPLEX_UNKNOWN;
- int speed = SPEED_UNKNOWN;
+ u32 speed = SPEED_UNKNOWN;
int link, err;
u16 status;
diff --git a/drivers/net/ethernet/alacritech/slic.h b/drivers/net/ethernet/alacritech/slic.h
index 3add305..b218982 100644
--- a/drivers/net/ethernet/alacritech/slic.h
+++ b/drivers/net/ethernet/alacritech/slic.h
@@ -550,7 +550,7 @@ struct slic_device {
/* link configuration lock */
spinlock_t link_lock;
bool promisc;
- int speed;
+ u32 speed;
unsigned int duplex;
bool is_fiber;
unsigned char model;
diff --git a/drivers/net/ethernet/alacritech/slicoss.c b/drivers/net/ethernet/alacritech/slicoss.c
index 16477aa..4bdbf65 100644
--- a/drivers/net/ethernet/alacritech/slicoss.c
+++ b/drivers/net/ethernet/alacritech/slicoss.c
@@ -280,7 +280,7 @@ static void slic_configure_mac(struct slic_device *sdev)
slic_write(sdev, SLIC_REG_WMCFG, val);
}
-static void slic_configure_link_locked(struct slic_device *sdev, int speed,
+static void slic_configure_link_locked(struct slic_device *sdev, u32 speed,
unsigned int duplex)
{
struct net_device *dev = sdev->netdev;
@@ -306,7 +306,7 @@ static void slic_configure_link_locked(struct slic_device *sdev, int speed,
}
}
-static void slic_configure_link(struct slic_device *sdev, int speed,
+static void slic_configure_link(struct slic_device *sdev, u32 speed,
unsigned int duplex)
{
spin_lock_bh(&sdev->link_lock);
@@ -639,7 +639,7 @@ static void slic_handle_link_irq(struct slic_device *sdev)
struct slic_shmem *sm = &sdev->shmem;
struct slic_shmem_data *sm_data = sm->shmem_data;
unsigned int duplex;
- int speed;
+ u32 speed;
u32 link;
link = le32_to_cpu(sm_data->link);
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c b/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c
index 8a3a60b..9f165af3 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c
@@ -1522,7 +1522,7 @@ static void xgbe_dump_phy_registers(struct xgbe_prv_data *pdata)
dev_dbg(dev, "\n*************************************************\n");
}
-static int xgbe_phy_best_advertised_speed(struct xgbe_prv_data *pdata)
+static u32 xgbe_phy_best_advertised_speed(struct xgbe_prv_data *pdata)
{
struct ethtool_link_ksettings *lks = &pdata->phy.lks;
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-phy-v1.c b/drivers/net/ethernet/amd/xgbe/xgbe-phy-v1.c
index d16eae4..ce7e90c 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-phy-v1.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-phy-v1.c
@@ -533,7 +533,7 @@ static enum xgbe_mode xgbe_phy_switch_mode(struct xgbe_prv_data *pdata)
}
static enum xgbe_mode xgbe_phy_get_mode(struct xgbe_prv_data *pdata,
- int speed)
+ u32 speed)
{
struct xgbe_phy_data *phy_data = pdata->phy_data;
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c b/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c
index 128cd64..7651f49 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c
@@ -2204,7 +2204,7 @@ static enum xgbe_mode xgbe_phy_get_baset_mode(struct xgbe_phy_data *phy_data,
}
static enum xgbe_mode xgbe_phy_get_sfp_mode(struct xgbe_phy_data *phy_data,
- int speed)
+ u32 speed)
{
switch (speed) {
case SPEED_100:
@@ -2245,7 +2245,7 @@ static enum xgbe_mode xgbe_phy_get_bp_mode(int speed)
}
static enum xgbe_mode xgbe_phy_get_mode(struct xgbe_prv_data *pdata,
- int speed)
+ u32 speed)
{
struct xgbe_phy_data *phy_data = pdata->phy_data;
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe.h b/drivers/net/ethernet/amd/xgbe/xgbe.h
index 47bcbcf..18f2ce6 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe.h
+++ b/drivers/net/ethernet/amd/xgbe/xgbe.h
@@ -617,7 +617,7 @@ struct xgbe_phy {
int address;
int autoneg;
- int speed;
+ u32 speed;
int duplex;
int link;
@@ -863,7 +863,7 @@ struct xgbe_phy_impl_if {
/* Switch the PHY into various modes */
void (*set_mode)(struct xgbe_prv_data *, enum xgbe_mode);
/* Retrieve mode needed for a specific speed */
- enum xgbe_mode (*get_mode)(struct xgbe_prv_data *, int);
+ enum xgbe_mode (*get_mode)(struct xgbe_prv_data *, u32);
/* Retrieve new/next mode when trying to auto-negotiate */
enum xgbe_mode (*switch_mode)(struct xgbe_prv_data *);
/* Retrieve current mode */
@@ -1234,7 +1234,7 @@ struct xgbe_prv_data {
/* Current PHY settings */
phy_interface_t phy_mode;
int phy_link;
- int phy_speed;
+ u32 phy_speed;
/* MDIO/PHY related settings */
unsigned int phy_started;
diff --git a/drivers/net/ethernet/apm/xgene-v2/main.h b/drivers/net/ethernet/apm/xgene-v2/main.h
index 969b258..25d44db 100644
--- a/drivers/net/ethernet/apm/xgene-v2/main.h
+++ b/drivers/net/ethernet/apm/xgene-v2/main.h
@@ -70,7 +70,7 @@ struct xge_pdata {
struct net_device *ndev;
struct napi_struct napi;
struct xge_stats stats;
- int phy_speed;
+ u32 phy_speed;
u8 nbufs;
};
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.h b/drivers/net/ethernet/apm/xgene/xgene_enet_main.h
index 9857685..0ace0bc 100644
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.h
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.h
@@ -196,7 +196,7 @@ struct xgene_cle_ops {
struct xgene_enet_pdata {
struct net_device *ndev;
struct mii_bus *mdio_bus;
- int phy_speed;
+ u32 phy_speed;
struct clk *clk;
struct platform_device *pdev;
enum xgene_enet_id enet_id;
diff --git a/drivers/net/ethernet/atheros/alx/hw.h b/drivers/net/ethernet/atheros/alx/hw.h
index e42d7e0..de6d241 100644
--- a/drivers/net/ethernet/atheros/alx/hw.h
+++ b/drivers/net/ethernet/atheros/alx/hw.h
@@ -480,7 +480,7 @@ struct alx_hw {
u32 smb_timer;
/* SPEED_* + DUPLEX_*, SPEED_UNKNOWN if link is down */
- int link_speed;
+ u32 link_speed;
u8 duplex;
/* auto-neg advertisement or force mode config */
diff --git a/drivers/net/ethernet/atheros/alx/main.c b/drivers/net/ethernet/atheros/alx/main.c
index e3538ba..5295fd4 100644
--- a/drivers/net/ethernet/atheros/alx/main.c
+++ b/drivers/net/ethernet/atheros/alx/main.c
@@ -1277,7 +1277,7 @@ static void alx_check_link(struct alx_priv *alx)
{
struct alx_hw *hw = &alx->hw;
unsigned long flags;
- int old_speed;
+ u32 old_speed;
int err;
/* clear PHY internal interrupt status, otherwise the main
diff --git a/drivers/net/ethernet/broadcom/bgmac.h b/drivers/net/ethernet/broadcom/bgmac.h
index 40d02fe..0c9cf98 100644
--- a/drivers/net/ethernet/broadcom/bgmac.h
+++ b/drivers/net/ethernet/broadcom/bgmac.h
@@ -512,7 +512,7 @@ struct bgmac {
u32 int_mask;
/* Current MAC state */
- int mac_speed;
+ u32 mac_speed;
int mac_duplex;
u8 phyaddr;
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index 328373e..060a6f3 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -4283,7 +4283,7 @@ static void tg3_power_down(struct tg3 *tp)
pci_set_power_state(tp->pdev, PCI_D3hot);
}
-static void tg3_aux_stat_to_speed_duplex(struct tg3 *tp, u32 val, u16 *speed, u8 *duplex)
+static void tg3_aux_stat_to_speed_duplex(struct tg3 *tp, u32 val, u32 *speed, u8 *duplex)
{
switch (val & MII_TG3_AUX_STAT_SPDMASK) {
case MII_TG3_AUX_STAT_10HALF:
@@ -4787,7 +4787,7 @@ static int tg3_setup_copper_phy(struct tg3 *tp, bool force_reset)
bool current_link_up;
u32 bmsr, val;
u32 lcl_adv, rmt_adv;
- u16 current_speed;
+ u32 current_speed;
u8 current_duplex;
int i, err;
@@ -5719,7 +5719,7 @@ static bool tg3_setup_fiber_by_hand(struct tg3 *tp, u32 mac_status)
static int tg3_setup_fiber_phy(struct tg3 *tp, bool force_reset)
{
u32 orig_pause_cfg;
- u16 orig_active_speed;
+ u32 orig_active_speed;
u8 orig_active_duplex;
u32 mac_status;
bool current_link_up;
@@ -5823,7 +5823,7 @@ static int tg3_setup_fiber_mii_phy(struct tg3 *tp, bool force_reset)
{
int err = 0;
u32 bmsr, bmcr;
- u16 current_speed = SPEED_UNKNOWN;
+ u32 current_speed = SPEED_UNKNOWN;
u8 current_duplex = DUPLEX_UNKNOWN;
bool current_link_up = false;
u32 local_adv, remote_adv, sgsr;
diff --git a/drivers/net/ethernet/broadcom/tg3.h b/drivers/net/ethernet/broadcom/tg3.h
index a772a33..6953d05 100644
--- a/drivers/net/ethernet/broadcom/tg3.h
+++ b/drivers/net/ethernet/broadcom/tg3.h
@@ -2873,7 +2873,7 @@ struct tg3_tx_ring_info {
struct tg3_link_config {
/* Describes what we're trying to get. */
u32 advertising;
- u16 speed;
+ u32 speed;
u8 duplex;
u8 autoneg;
u8 flowctrl;
@@ -2882,7 +2882,7 @@ struct tg3_link_config {
u8 active_flowctrl;
u8 active_duplex;
- u16 active_speed;
+ u32 active_speed;
u32 rmt_adv;
};
diff --git a/drivers/net/ethernet/cavium/thunder/thunder_bgx.c b/drivers/net/ethernet/cavium/thunder/thunder_bgx.c
index 673c57b..81c281a 100644
--- a/drivers/net/ethernet/cavium/thunder/thunder_bgx.c
+++ b/drivers/net/ethernet/cavium/thunder/thunder_bgx.c
@@ -962,13 +962,13 @@ static void bgx_poll_for_sgmii_link(struct lmac *lmac)
lmac->last_duplex = (an_result >> 1) & 0x1;
switch (speed) {
case 0:
- lmac->last_speed = 10;
+ lmac->last_speed = SPEED_10;
break;
case 1:
- lmac->last_speed = 100;
+ lmac->last_speed = SPEED_100;
break;
case 2:
- lmac->last_speed = 1000;
+ lmac->last_speed = SPEED_1000;
break;
default:
lmac->link_up = false;
@@ -1012,10 +1012,10 @@ static void bgx_poll_for_link(struct work_struct *work)
!(smu_link & SMU_RX_CTL_STATUS)) {
lmac->link_up = 1;
if (lmac->lmac_type == BGX_MODE_XLAUI)
- lmac->last_speed = 40000;
+ lmac->last_speed = SPEED_40000;
else
- lmac->last_speed = 10000;
- lmac->last_duplex = 1;
+ lmac->last_speed = SPEED_10000;
+ lmac->last_duplex = DUPLEX_FULL;
} else {
lmac->link_up = 0;
lmac->last_speed = SPEED_UNKNOWN;
@@ -1105,8 +1105,8 @@ static int bgx_lmac_enable(struct bgx *bgx, u8 lmacid)
} else {
/* Default to below link speed and duplex */
lmac->link_up = true;
- lmac->last_speed = 1000;
- lmac->last_duplex = 1;
+ lmac->last_speed = SPEED_1000;
+ lmac->last_duplex = DUPLEX_FULL;
bgx_sgmii_change_link_state(lmac);
return 0;
}
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
index 0c443ea..374a4d4 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
@@ -497,7 +497,7 @@ struct qlcnic_hardware_context {
u16 board_type;
u16 supported_type;
- u16 link_speed;
+ u32 link_speed;
u16 link_duplex;
u16 link_autoneg;
u16 module_type;
diff --git a/drivers/net/ethernet/samsung/sxgbe/sxgbe_common.h b/drivers/net/ethernet/samsung/sxgbe/sxgbe_common.h
index c61f260..55b70d0 100644
--- a/drivers/net/ethernet/samsung/sxgbe/sxgbe_common.h
+++ b/drivers/net/ethernet/samsung/sxgbe/sxgbe_common.h
@@ -475,7 +475,7 @@ struct sxgbe_priv_data {
spinlock_t stats_lock; /* lock for tx/rx statatics */
int oldlink;
- int speed;
+ u32 speed;
int oldduplex;
struct mii_bus *mii;
int mii_irq[PHY_MAX_ADDR];
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac.h b/drivers/net/ethernet/stmicro/stmmac/stmmac.h
index dd95d95..31a4ecb 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac.h
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac.h
@@ -148,7 +148,7 @@ struct stmmac_priv {
struct stmmac_channel channel[STMMAC_CH_MAX];
bool oldlink;
- int speed;
+ u32 speed;
int oldduplex;
unsigned int flow_ctrl;
unsigned int pause;
diff --git a/drivers/net/phy/phy-core.c b/drivers/net/phy/phy-core.c
index 5016cd5f..63baf95 100644
--- a/drivers/net/phy/phy-core.c
+++ b/drivers/net/phy/phy-core.c
@@ -6,7 +6,7 @@
#include <linux/phy.h>
#include <linux/of.h>
-const char *phy_speed_to_str(int speed)
+const char *phy_speed_to_str(u32 speed)
{
switch (speed) {
case SPEED_10:
diff --git a/include/linux/phy.h b/include/linux/phy.h
index 3408489..0f54fa4 100644
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -404,7 +404,7 @@ struct phy_device {
* forced speed & duplex (no autoneg)
* partner speed & duplex & pause (autoneg)
*/
- int speed;
+ u32 speed;
int duplex;
int pause;
int asym_pause;
@@ -656,7 +656,7 @@ struct phy_fixup {
int (*run)(struct phy_device *phydev);
};
-const char *phy_speed_to_str(int speed);
+const char *phy_speed_to_str(u32 speed);
const char *phy_duplex_to_str(unsigned int duplex);
/* A structure for mapping a particular speed and duplex
diff --git a/include/linux/phylink.h b/include/linux/phylink.h
index 6411c62..eec2a32 100644
--- a/include/linux/phylink.h
+++ b/include/linux/phylink.h
@@ -46,7 +46,7 @@ struct phylink_link_state {
__ETHTOOL_DECLARE_LINK_MODE_MASK(advertising);
__ETHTOOL_DECLARE_LINK_MODE_MASK(lp_advertising);
phy_interface_t interface;
- int speed;
+ u32 speed;
int duplex;
int pause;
unsigned int link:1;
diff --git a/include/uapi/linux/ethtool.h b/include/uapi/linux/ethtool.h
index 3652b239..8f98475 100644
--- a/include/uapi/linux/ethtool.h
+++ b/include/uapi/linux/ethtool.h
@@ -1587,7 +1587,7 @@ enum ethtool_link_mode_bit_indices {
#define SPEED_100000 100000
#define SPEED_200000 200000
-#define SPEED_UNKNOWN -1
+#define SPEED_UNKNOWN UINT_MAX
static inline int ethtool_validate_speed(__u32 speed)
{
--
2.7.4
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