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diff --git a/sys/dev/ixl/i40e_register.h b/sys/dev/ixl/i40e_register.h
--- a/sys/dev/ixl/i40e_register.h
+++ b/sys/dev/ixl/i40e_register.h
@@ -1443,6 +1443,18 @@
#define I40E_PRTMAC_PCS_XAUI_SWAP_B_SWAP_RX_LANE1_MASK I40E_MASK(0x3, I40E_PRTMAC_PCS_XAUI_SWAP_B_SWAP_RX_LANE1_SHIFT)
#define I40E_PRTMAC_PCS_XAUI_SWAP_B_SWAP_RX_LANE0_SHIFT 14
#define I40E_PRTMAC_PCS_XAUI_SWAP_B_SWAP_RX_LANE0_MASK I40E_MASK(0x3, I40E_PRTMAC_PCS_XAUI_SWAP_B_SWAP_RX_LANE0_SHIFT)
+/* _i=0...3 */ /* Reset: GLOBR */
+#define I40E_PRTMAC_PCS_LINK_STATUS1(_i) (0x0008C200 + ((_i) * 4))
+#define I40E_PRTMAC_PCS_LINK_STATUS1_LINK_SPEED_SHIFT 24
+#define I40E_PRTMAC_PCS_LINK_STATUS1_LINK_SPEED_MASK \
+ I40E_MASK(0x7, I40E_PRTMAC_PCS_LINK_STATUS1_LINK_SPEED_SHIFT)
+#define I40E_PRTMAC_PCS_LINK_STATUS2 0x0008C220
+#define I40E_PRTMAC_PCS_LINK_CTRL 0x0008C260
+#define I40E_PRTMAC_PCS_XGMII_FIFO_STATUS 0x0008C320
+#define I40E_PRTMAC_PCS_AN_LP_STATUS 0x0008C680
+#define I40E_PRTMAC_PCS_KR_STATUS 0x0008CA00
+#define I40E_PRTMAC_PCS_FEC_KR_STATUS1 0x0008CC20
+#define I40E_PRTMAC_PCS_FEC_KR_STATUS2 0x0008CC40
#define I40E_GL_FWRESETCNT 0x00083100 /* Reset: POR */
#define I40E_GL_FWRESETCNT_FWRESETCNT_SHIFT 0
#define I40E_GL_FWRESETCNT_FWRESETCNT_MASK I40E_MASK(0xFFFFFFFF, I40E_GL_FWRESETCNT_FWRESETCNT_SHIFT)
diff --git a/sys/dev/ixl/ixl_pf_main.c b/sys/dev/ixl/ixl_pf_main.c
--- a/sys/dev/ixl/ixl_pf_main.c
+++ b/sys/dev/ixl/ixl_pf_main.c
@@ -67,6 +67,7 @@
/* Debug Sysctls */
static int ixl_sysctl_link_status(SYSCTL_HANDLER_ARGS);
static int ixl_sysctl_phy_abilities(SYSCTL_HANDLER_ARGS);
+static int ixl_sysctl_phy_statistics(SYSCTL_HANDLER_ARGS);
static int ixl_sysctl_sw_filter_list(SYSCTL_HANDLER_ARGS);
static int ixl_sysctl_hw_res_alloc(SYSCTL_HANDLER_ARGS);
static int ixl_sysctl_switch_config(SYSCTL_HANDLER_ARGS);
@@ -2606,6 +2607,10 @@
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_NEEDGIANT,
pf, 0, ixl_sysctl_queue_interrupt_table, "A", "View MSI-X indices for TX/RX queues");
+ SYSCTL_ADD_PROC(ctx, debug_list,
+ OID_AUTO, "phy_statistics", CTLTYPE_STRING | CTLFLAG_RD,
+ pf, 0, ixl_sysctl_phy_statistics, "A", "PHY Statistics");
+
if (pf->has_i2c) {
SYSCTL_ADD_PROC(ctx, debug_list,
OID_AUTO, "read_i2c_byte",
@@ -3446,6 +3451,61 @@
return (error);
}
+static int
+ixl_sysctl_phy_statistics(SYSCTL_HANDLER_ARGS)
+{
+ struct ixl_pf *pf = (struct ixl_pf *)arg1;
+ struct i40e_hw *hw = &pf->hw;
+ device_t dev = pf->dev;
+ struct sbuf *buf;
+ int error = 0;
+
+ buf = sbuf_new_for_sysctl(NULL, NULL, 128, req);
+ if (buf == NULL) {
+ device_printf(dev, "Could not allocate sbuf for sysctl output.\n");
+ return (ENOMEM);
+ }
+
+ if (hw->mac.type == I40E_MAC_X722) {
+ sbuf_printf(buf, "\n"
+ "PCS Link Control Register: unavailable\n"
+ "PCS Link Status 1: unavailable\n"
+ "PCS Link Status 2: unavailable\n"
+ "XGMII FIFO Status: unavailable\n"
+ "Auto-Negotiation (AN) Status: unavailable\n"
+ "KR PCS Status: unavailable\n"
+ "KR FEC Status 1 – FEC Correctable Blocks Counter: unavailable\n"
+ "KR FEC Status 2 – FEC Uncorrectable Blocks Counter: unavailable"
+ );
+ } else {
+ sbuf_printf(buf, "\n"
+ "PCS Link Control Register: %#010X\n"
+ "PCS Link Status 1: %#010X\n"
+ "PCS Link Status 2: %#010X\n"
+ "XGMII FIFO Status: %#010X\n"
+ "Auto-Negotiation (AN) Status: %#010X\n"
+ "KR PCS Status: %#010X\n"
+ "KR FEC Status 1 – FEC Correctable Blocks Counter: %#010X\n"
+ "KR FEC Status 2 – FEC Uncorrectable Blocks Counter: %#010X",
+ rd32(hw, I40E_PRTMAC_PCS_LINK_CTRL),
+ rd32(hw, I40E_PRTMAC_PCS_LINK_STATUS1(0)),
+ rd32(hw, I40E_PRTMAC_PCS_LINK_STATUS2),
+ rd32(hw, I40E_PRTMAC_PCS_XGMII_FIFO_STATUS),
+ rd32(hw, I40E_PRTMAC_PCS_AN_LP_STATUS),
+ rd32(hw, I40E_PRTMAC_PCS_KR_STATUS),
+ rd32(hw, I40E_PRTMAC_PCS_FEC_KR_STATUS1),
+ rd32(hw, I40E_PRTMAC_PCS_FEC_KR_STATUS2)
+ );
+ }
+
+ error = sbuf_finish(buf);
+ if (error)
+ device_printf(dev, "Error finishing sbuf: %d\n", error);
+
+ sbuf_delete(buf);
+ return (error);
+}
+
static int
ixl_sysctl_sw_filter_list(SYSCTL_HANDLER_ARGS)
{

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