diff options
Diffstat (limited to 'target/linux/generic/backport-4.9/076-v4.11-0002-net-phy-broadcom-Add-support-code-for-reading-PHY-co.patch')
| -rw-r--r-- | target/linux/generic/backport-4.9/076-v4.11-0002-net-phy-broadcom-Add-support-code-for-reading-PHY-co.patch | 125 |
1 files changed, 0 insertions, 125 deletions
diff --git a/target/linux/generic/backport-4.9/076-v4.11-0002-net-phy-broadcom-Add-support-code-for-reading-PHY-co.patch b/target/linux/generic/backport-4.9/076-v4.11-0002-net-phy-broadcom-Add-support-code-for-reading-PHY-co.patch deleted file mode 100644 index 83cfe1f5d3..0000000000 --- a/target/linux/generic/backport-4.9/076-v4.11-0002-net-phy-broadcom-Add-support-code-for-reading-PHY-co.patch +++ /dev/null @@ -1,125 +0,0 @@ -From: Florian Fainelli <f.fainelli@gmail.com> -Date: Tue, 29 Nov 2016 09:57:17 -0800 -Subject: [PATCH] net: phy: broadcom: Add support code for reading PHY counters - -Broadcom PHYs expose a number of PHY error counters: receive errors, -false carrier sense, SerDes BER count, local and remote receive errors. -Add support code to allow retrieving these error counters. Since the -Broadcom PHY library code is used by several drivers, make it possible -for them to specify the storage for the software copy of the statistics. - -Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> -Signed-off-by: David S. Miller <davem@davemloft.net> ---- - ---- a/drivers/net/phy/bcm-phy-lib.c -+++ b/drivers/net/phy/bcm-phy-lib.c -@@ -17,6 +17,7 @@ - #include <linux/mdio.h> - #include <linux/module.h> - #include <linux/phy.h> -+#include <linux/ethtool.h> - - #define MII_BCM_CHANNEL_WIDTH 0x2000 - #define BCM_CL45VEN_EEE_ADV 0x3c -@@ -231,6 +232,75 @@ int bcm_phy_set_eee(struct phy_device *p - } - EXPORT_SYMBOL_GPL(bcm_phy_set_eee); - -+struct bcm_phy_hw_stat { -+ const char *string; -+ u8 reg; -+ u8 shift; -+ u8 bits; -+}; -+ -+/* Counters freeze at either 0xffff or 0xff, better than nothing */ -+static const struct bcm_phy_hw_stat bcm_phy_hw_stats[] = { -+ { "phy_receive_errors", MII_BRCM_CORE_BASE12, 0, 16 }, -+ { "phy_serdes_ber_errors", MII_BRCM_CORE_BASE13, 8, 8 }, -+ { "phy_false_carrier_sense_errors", MII_BRCM_CORE_BASE13, 0, 8 }, -+ { "phy_local_rcvr_nok", MII_BRCM_CORE_BASE14, 8, 8 }, -+ { "phy_remote_rcv_nok", MII_BRCM_CORE_BASE14, 0, 8 }, -+}; -+ -+int bcm_phy_get_sset_count(struct phy_device *phydev) -+{ -+ return ARRAY_SIZE(bcm_phy_hw_stats); -+} -+EXPORT_SYMBOL_GPL(bcm_phy_get_sset_count); -+ -+void bcm_phy_get_strings(struct phy_device *phydev, u8 *data) -+{ -+ unsigned int i; -+ -+ for (i = 0; i < ARRAY_SIZE(bcm_phy_hw_stats); i++) -+ memcpy(data + i * ETH_GSTRING_LEN, -+ bcm_phy_hw_stats[i].string, ETH_GSTRING_LEN); -+} -+EXPORT_SYMBOL_GPL(bcm_phy_get_strings); -+ -+#ifndef UINT64_MAX -+#define UINT64_MAX (u64)(~((u64)0)) -+#endif -+ -+/* Caller is supposed to provide appropriate storage for the library code to -+ * access the shadow copy -+ */ -+static u64 bcm_phy_get_stat(struct phy_device *phydev, u64 *shadow, -+ unsigned int i) -+{ -+ struct bcm_phy_hw_stat stat = bcm_phy_hw_stats[i]; -+ int val; -+ u64 ret; -+ -+ val = phy_read(phydev, stat.reg); -+ if (val < 0) { -+ ret = UINT64_MAX; -+ } else { -+ val >>= stat.shift; -+ val = val & ((1 << stat.bits) - 1); -+ shadow[i] += val; -+ ret = shadow[i]; -+ } -+ -+ return ret; -+} -+ -+void bcm_phy_get_stats(struct phy_device *phydev, u64 *shadow, -+ struct ethtool_stats *stats, u64 *data) -+{ -+ unsigned int i; -+ -+ for (i = 0; i < ARRAY_SIZE(bcm_phy_hw_stats); i++) -+ data[i] = bcm_phy_get_stat(phydev, shadow, i); -+} -+EXPORT_SYMBOL_GPL(bcm_phy_get_stats); -+ - MODULE_DESCRIPTION("Broadcom PHY Library"); - MODULE_LICENSE("GPL v2"); - MODULE_AUTHOR("Broadcom Corporation"); ---- a/drivers/net/phy/bcm-phy-lib.h -+++ b/drivers/net/phy/bcm-phy-lib.h -@@ -44,4 +44,10 @@ int bcm_phy_config_intr(struct phy_devic - int bcm_phy_enable_apd(struct phy_device *phydev, bool dll_pwr_down); - - int bcm_phy_set_eee(struct phy_device *phydev, bool enable); -+ -+int bcm_phy_get_sset_count(struct phy_device *phydev); -+void bcm_phy_get_strings(struct phy_device *phydev, u8 *data); -+void bcm_phy_get_stats(struct phy_device *phydev, u64 *shadow, -+ struct ethtool_stats *stats, u64 *data); -+ - #endif /* _LINUX_BCM_PHY_LIB_H */ ---- a/include/linux/brcmphy.h -+++ b/include/linux/brcmphy.h -@@ -234,6 +234,9 @@ - #define LPI_FEATURE_EN_DIG1000X 0x4000 - - /* Core register definitions*/ -+#define MII_BRCM_CORE_BASE12 0x12 -+#define MII_BRCM_CORE_BASE13 0x13 -+#define MII_BRCM_CORE_BASE14 0x14 - #define MII_BRCM_CORE_BASE1E 0x1E - #define MII_BRCM_CORE_EXPB0 0xB0 - #define MII_BRCM_CORE_EXPB1 0xB1 |