diff --git a/drivers/net/ethernet/meta/fbnic/fbnic.h b/drivers/net/ethernet/meta/fbnic/fbnic.h
index a760a27b1516..f7df5302e91a 100644
--- a/drivers/net/ethernet/meta/fbnic/fbnic.h
+++ b/drivers/net/ethernet/meta/fbnic/fbnic.h
@@ -197,6 +197,38 @@ void fbnic_synchronize_irq(struct fbnic_dev *fbd, int nr);
 int fbnic_request_irq(struct fbnic_dev *dev, int nr, irq_handler_t handler,
 		      unsigned long flags, const char *name, void *data);
 void fbnic_free_irq(struct fbnic_dev *dev, int nr, void *data);
+
+/**
+ * enum fbnic_msix_self_test_codes - return codes from self test routines
+ *
+ * These are the codes returned from the self test routines and
+ * stored in the test result array indexed by the specific
+ * test name.
+ *
+ * @FBNIC_TEST_MSIX_SUCCESS: no errors
+ * @FBNIC_TEST_MSIX_NOMEM: allocation failure
+ * @FBNIC_TEST_MSIX_IRQ_REQ_FAIL: IRQ request failure
+ * @FBNIC_TEST_MSIX_MASK: masking failed to prevent IRQ
+ * @FBNIC_TEST_MSIX_UNMASK: unmasking failure w/ sw status set
+ * @FBNIC_TEST_MSIX_IRQ_CLEAR: interrupt when clearing mask
+ * @FBNIC_TEST_MSIX_NO_INTERRUPT: no interrupt when not masked
+ * @FBNIC_TEST_MSIX_NO_CLEAR_OR_MASK: status not cleared, or mask not set
+ * @FBNIC_TEST_MSIX_BITS_SET_AFTER_TEST: Bits are set after test
+ */
+enum fbnic_msix_self_test_codes {
+	FBNIC_TEST_MSIX_SUCCESS = 0,
+	FBNIC_TEST_MSIX_NOMEM = 5,
+	FBNIC_TEST_MSIX_IRQ_REQ_FAIL = 10,
+	FBNIC_TEST_MSIX_MASK = 20,
+	FBNIC_TEST_MSIX_UNMASK = 30,
+	FBNIC_TEST_MSIX_IRQ_CLEAR = 40,
+	FBNIC_TEST_MSIX_NO_INTERRUPT = 50,
+	FBNIC_TEST_MSIX_NO_CLEAR_OR_MASK = 60,
+	FBNIC_TEST_MSIX_BITS_SET_AFTER_TEST = 70,
+};
+
+enum fbnic_msix_self_test_codes fbnic_msix_test(struct fbnic_dev *fbd);
+
 void fbnic_free_irqs(struct fbnic_dev *fbd);
 int fbnic_alloc_irqs(struct fbnic_dev *fbd);
 
diff --git a/drivers/net/ethernet/meta/fbnic/fbnic_ethtool.c b/drivers/net/ethernet/meta/fbnic/fbnic_ethtool.c
index cad963a3d825..b5012601b102 100644
--- a/drivers/net/ethernet/meta/fbnic/fbnic_ethtool.c
+++ b/drivers/net/ethernet/meta/fbnic/fbnic_ethtool.c
@@ -128,10 +128,12 @@ static const struct fbnic_stat fbnic_gstrings_xdp_stats[] = {
 
 enum fbnic_self_test_results {
 	TEST_REG = 0,
+	TEST_MSIX,
 };
 
 static const char fbnic_gstrings_self_test[][ETH_GSTRING_LEN] = {
 	[TEST_REG]	= "Register test (offline)",
+	[TEST_MSIX]	= "MSI-X Interrupt test (offline)",
 };
 
 #define FBNIC_TEST_LEN ARRAY_SIZE(fbnic_gstrings_self_test)
@@ -1504,6 +1506,28 @@ static int fbnic_ethtool_regs_test(struct net_device *netdev, u64 *data)
 	return !!*data;
 }
 
+/**
+ * fbnic_ethtool_msix_test - Verify behavior of NIC interrupts
+ * @netdev: netdev device to test
+ * @data: Pointer to results storage
+ *
+ * This function is meant to test the global interrupt registers and the
+ * PCIe IP MSI-X functionality. It essentially goes through and tests
+ * test various combinations of the set, clear, and mask bits in order to
+ * verify the behavior is as we expect it to be from the driver.
+ *
+ * Return: non-zero on failure.
+ **/
+static int fbnic_ethtool_msix_test(struct net_device *netdev, u64 *data)
+{
+	struct fbnic_net *fbn = netdev_priv(netdev);
+	struct fbnic_dev *fbd = fbn->fbd;
+
+	*data = fbnic_msix_test(fbd);
+
+	return !!*data;
+}
+
 static void fbnic_self_test(struct net_device *netdev,
 			    struct ethtool_test *eth_test, u64 *data)
 {
@@ -1511,6 +1535,7 @@ static void fbnic_self_test(struct net_device *netdev,
 
 	if (!(eth_test->flags & ETH_TEST_FL_OFFLINE)) {
 		data[TEST_REG] = 0;
+		data[TEST_MSIX] = 0;
 		return;
 	}
 
@@ -1520,6 +1545,9 @@ static void fbnic_self_test(struct net_device *netdev,
 	if (fbnic_ethtool_regs_test(netdev, &data[TEST_REG]))
 		eth_test->flags |= ETH_TEST_FL_FAILED;
 
+	if (fbnic_ethtool_msix_test(netdev, &data[TEST_MSIX]))
+		eth_test->flags |= ETH_TEST_FL_FAILED;
+
 	if (if_running && netif_open(netdev, NULL)) {
 		netdev_err(netdev,
 			   "Failed to re-initialize hardware following test\n");
diff --git a/drivers/net/ethernet/meta/fbnic/fbnic_irq.c b/drivers/net/ethernet/meta/fbnic/fbnic_irq.c
index 1e6a8fd6f702..5e383d40abc7 100644
--- a/drivers/net/ethernet/meta/fbnic/fbnic_irq.c
+++ b/drivers/net/ethernet/meta/fbnic/fbnic_irq.c
@@ -240,6 +240,160 @@ void fbnic_free_irq(struct fbnic_dev *fbd, int nr, void *data)
 	free_irq(irq, data);
 }
 
+struct fbnic_msix_test_data {
+	struct fbnic_dev *fbd;
+	unsigned long test_msix_status[BITS_TO_LONGS(FBNIC_MAX_MSIX_VECS)];
+	int irq_vector[FBNIC_MAX_MSIX_VECS];
+};
+
+static irqreturn_t fbnic_irq_test(int irq, void *data)
+{
+	struct fbnic_msix_test_data *test_data = data;
+	struct fbnic_dev *fbd = test_data->fbd;
+	int i;
+
+	for (i = fbd->num_irqs; i--;) {
+		if (test_data->irq_vector[i] == irq) {
+			set_bit(i, test_data->test_msix_status);
+			break;
+		}
+	}
+
+	return IRQ_HANDLED;
+}
+
+/**
+ * fbnic_msix_test - Verify behavior of NIC interrupts
+ * @fbd: device to test
+ *
+ * This function is meant to test the global interrupt registers and the
+ * PCIe IP MSI-X functionality. It essentially goes through and tests
+ * various combinations of the set, clear, and mask bits in order to
+ * verify the behavior is as we expect it to be from the driver.
+ *
+ * Return: See enum fbnic_msix_self_test_codes
+ **/
+enum fbnic_msix_self_test_codes fbnic_msix_test(struct fbnic_dev *fbd)
+{
+	enum fbnic_msix_self_test_codes result = FBNIC_TEST_MSIX_SUCCESS;
+	struct pci_dev *pdev = to_pci_dev(fbd->dev);
+	struct fbnic_msix_test_data *test_data;
+	u32 mask = 0;
+	int i;
+
+	/* Allocate bitmap and IRQ vector table */
+	test_data = kzalloc_obj(*test_data, GFP_KERNEL);
+
+	/* memory allocation failure */
+	if (!test_data)
+		return FBNIC_TEST_MSIX_NOMEM;
+
+	/* Initialize test data */
+	test_data->fbd = fbd;
+
+	for (i = FBNIC_NON_NAPI_VECTORS; i < fbd->num_irqs; i++) {
+		/* Add IRQ to vector table so it can be found */
+		test_data->irq_vector[i] = pci_irq_vector(pdev, i);
+
+		/* Enable the interrupt */
+		if (!fbnic_request_irq(fbd, i, fbnic_irq_test, 0,
+				       fbd->netdev->name, test_data))
+			continue;
+
+		while (i-- > FBNIC_NON_NAPI_VECTORS)
+			fbnic_free_irq(fbd, i, test_data);
+		kfree(test_data);
+
+		/* IRQ request failure */
+		return FBNIC_TEST_MSIX_IRQ_REQ_FAIL;
+	}
+
+	/* Test each bit individually */
+	for (i = FBNIC_NON_NAPI_VECTORS; i < fbd->num_irqs; i++) {
+		mask = 1U << (i % 32);
+
+		/* Start with mask set and interrupt cleared */
+		fbnic_wr32(fbd, FBNIC_INTR_MASK_SET(i / 32), mask);
+		fbnic_wrfl(fbd);
+		fbnic_wr32(fbd, FBNIC_INTR_CLEAR(i / 32), mask);
+		fbnic_wrfl(fbd);
+
+		/* masking failure to prevent interrupt */
+		result = FBNIC_TEST_MSIX_MASK;
+
+		fbnic_wr32(fbd, FBNIC_INTR_SET(i / 32), mask);
+		fbnic_wrfl(fbd);
+		usleep_range(10000, 11000);
+
+		if (test_bit(i, test_data->test_msix_status))
+			break;
+
+		/* unmasking failure w/ sw status set */
+		result = FBNIC_TEST_MSIX_UNMASK;
+
+		fbnic_wr32(fbd, FBNIC_INTR_MASK_CLEAR(i / 32), mask);
+		fbnic_wrfl(fbd);
+		usleep_range(10000, 11000);
+
+		if (!test_bit(i, test_data->test_msix_status))
+			break;
+
+		/* interrupt when clearing mask */
+		result = FBNIC_TEST_MSIX_IRQ_CLEAR;
+
+		clear_bit(i, test_data->test_msix_status);
+		fbnic_wr32(fbd, FBNIC_INTR_MASK_CLEAR(i / 32), mask);
+		fbnic_wrfl(fbd);
+		usleep_range(10000, 11000);
+
+		if (test_bit(i, test_data->test_msix_status))
+			break;
+
+		/* interrupt not triggering when not masked */
+		result = FBNIC_TEST_MSIX_NO_INTERRUPT;
+
+		fbnic_wr32(fbd, FBNIC_INTR_SET(i / 32), mask);
+		fbnic_wrfl(fbd);
+		usleep_range(10000, 11000);
+
+		if (!test_bit(i, test_data->test_msix_status))
+			break;
+
+		/* status not cleared, or mask not set */
+		result = FBNIC_TEST_MSIX_NO_CLEAR_OR_MASK;
+		if (mask & fbnic_rd32(fbd, FBNIC_INTR_STATUS(i / 32)))
+			break;
+		if (!(mask & fbnic_rd32(fbd, FBNIC_INTR_MASK(i / 32))))
+			break;
+
+		/* Result = 0 - Success */
+		result = FBNIC_TEST_MSIX_SUCCESS;
+
+		clear_bit(i, test_data->test_msix_status);
+	}
+
+	if (i < fbd->num_irqs) {
+		fbnic_wr32(fbd, FBNIC_INTR_MASK_SET(i / 32), mask);
+		fbnic_wrfl(fbd);
+		fbnic_wr32(fbd, FBNIC_INTR_CLEAR(i / 32), mask);
+		fbnic_wrfl(fbd);
+		clear_bit(i, test_data->test_msix_status);
+	}
+
+	for (i = FBNIC_NON_NAPI_VECTORS; i < fbd->num_irqs; i++) {
+		/* Test for bits set after testing */
+		if (test_bit(i, test_data->test_msix_status))
+			result = FBNIC_TEST_MSIX_BITS_SET_AFTER_TEST;
+
+		/* Free IRQ */
+		fbnic_free_irq(fbd, i, test_data);
+	}
+
+	kfree(test_data);
+
+	return result;
+}
+
 void fbnic_napi_name_irqs(struct fbnic_dev *fbd)
 {
 	unsigned int i;