igb: Add stats output for OS2BMC feature on i350 devices
This patch adds statistics output for OS2BMC feature which is configured
by eeprom on capable devices.
Signed-off-by: Carolyn Wyborny <carolyn.wyborny@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
diff --git a/drivers/net/igb/e1000_defines.h b/drivers/net/igb/e1000_defines.h
index ff46c91..92e11da 100644
--- a/drivers/net/igb/e1000_defines.h
+++ b/drivers/net/igb/e1000_defines.h
@@ -110,6 +110,7 @@
/* Management Control */
#define E1000_MANC_SMBUS_EN 0x00000001 /* SMBus Enabled - RO */
#define E1000_MANC_ASF_EN 0x00000002 /* ASF Enabled - RO */
+#define E1000_MANC_EN_BMC2OS 0x10000000 /* OSBMC is Enabled or not */
/* Enable Neighbor Discovery Filtering */
#define E1000_MANC_RCV_TCO_EN 0x00020000 /* Receive TCO Packets Enabled */
#define E1000_MANC_BLK_PHY_RST_ON_IDE 0x00040000 /* Block phy resets */
diff --git a/drivers/net/igb/e1000_hw.h b/drivers/net/igb/e1000_hw.h
index 281324e..eec9ed7 100644
--- a/drivers/net/igb/e1000_hw.h
+++ b/drivers/net/igb/e1000_hw.h
@@ -248,6 +248,10 @@
u64 scvpc;
u64 hrmpc;
u64 doosync;
+ u64 o2bgptc;
+ u64 o2bspc;
+ u64 b2ospc;
+ u64 b2ogprc;
};
struct e1000_phy_stats {
diff --git a/drivers/net/igb/e1000_regs.h b/drivers/net/igb/e1000_regs.h
index 3a6f847..6171354 100644
--- a/drivers/net/igb/e1000_regs.h
+++ b/drivers/net/igb/e1000_regs.h
@@ -328,4 +328,11 @@
/* DMA Coalescing registers */
#define E1000_PCIEMISC 0x05BB8 /* PCIE misc config register */
+
+/* OS2BMC Registers */
+#define E1000_B2OSPC 0x08FE0 /* BMC2OS packets sent by BMC */
+#define E1000_B2OGPRC 0x04158 /* BMC2OS packets received by host */
+#define E1000_O2BGPTC 0x08FE4 /* OS2BMC packets received by BMC */
+#define E1000_O2BSPC 0x0415C /* OS2BMC packets transmitted by host */
+
#endif
diff --git a/drivers/net/igb/igb_ethtool.c b/drivers/net/igb/igb_ethtool.c
index 61f7849..78d420b 100644
--- a/drivers/net/igb/igb_ethtool.c
+++ b/drivers/net/igb/igb_ethtool.c
@@ -86,6 +86,10 @@
IGB_STAT("tx_smbus", stats.mgptc),
IGB_STAT("rx_smbus", stats.mgprc),
IGB_STAT("dropped_smbus", stats.mgpdc),
+ IGB_STAT("os2bmc_rx_by_bmc", stats.o2bgptc),
+ IGB_STAT("os2bmc_tx_by_bmc", stats.b2ospc),
+ IGB_STAT("os2bmc_tx_by_host", stats.o2bspc),
+ IGB_STAT("os2bmc_rx_by_host", stats.b2ogprc),
};
#define IGB_NETDEV_STAT(_net_stat) { \
@@ -603,7 +607,10 @@
regs_buff[548] = rd32(E1000_TDFT);
regs_buff[549] = rd32(E1000_TDFHS);
regs_buff[550] = rd32(E1000_TDFPC);
-
+ regs_buff[551] = adapter->stats.o2bgptc;
+ regs_buff[552] = adapter->stats.b2ospc;
+ regs_buff[553] = adapter->stats.o2bspc;
+ regs_buff[554] = adapter->stats.b2ogprc;
}
static int igb_get_eeprom_len(struct net_device *netdev)
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index eef380a..3666b96 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -4560,6 +4560,15 @@
adapter->stats.mgptc += rd32(E1000_MGTPTC);
adapter->stats.mgprc += rd32(E1000_MGTPRC);
adapter->stats.mgpdc += rd32(E1000_MGTPDC);
+
+ /* OS2BMC Stats */
+ reg = rd32(E1000_MANC);
+ if (reg & E1000_MANC_EN_BMC2OS) {
+ adapter->stats.o2bgptc += rd32(E1000_O2BGPTC);
+ adapter->stats.o2bspc += rd32(E1000_O2BSPC);
+ adapter->stats.b2ospc += rd32(E1000_B2OSPC);
+ adapter->stats.b2ogprc += rd32(E1000_B2OGPRC);
+ }
}
static irqreturn_t igb_msix_other(int irq, void *data)