[PATCH net-next 10/12] bnxt_en: Add interrupt test to ethtool -t selftest.

[Michael Chan]

Signed-off-by: Michael Chan <michael.c...@broadcom.com>
---
 drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c | 32 ++++++++++++++++++++++-
 1 file changed, 31 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c 
b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
index dde3e21..848ecf2 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
@@ -2178,6 +2178,29 @@ static int bnxt_set_phys_id(struct net_device *dev,
        return rc;
 }
 
+static int bnxt_hwrm_selftest_irq(struct bnxt *bp, u16 cmpl_ring)
+{
+       struct hwrm_selftest_irq_input req = {0};
+
+       bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_SELFTEST_IRQ, cmpl_ring, -1);
+       return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+}
+
+static int bnxt_test_irq(struct bnxt *bp)
+{
+       int i;
+
+       for (i = 0; i < bp->cp_nr_rings; i++) {
+               u16 cmpl_ring = bp->grp_info[i].cp_fw_ring_id;
+               int rc;
+
+               rc = bnxt_hwrm_selftest_irq(bp, cmpl_ring);
+               if (rc)
+                       return rc;
+       }
+       return 0;
+}
+
 static int bnxt_hwrm_mac_loopback(struct bnxt *bp, bool enable)
 {
        struct hwrm_port_mac_cfg_input req = {0};
@@ -2366,9 +2389,10 @@ static int bnxt_run_fw_tests(struct bnxt *bp, u8 
test_mask, u8 *test_results)
        return rc;
 }
 
-#define BNXT_DRV_TESTS                 2
+#define BNXT_DRV_TESTS                 3
 #define BNXT_MACLPBK_TEST_IDX          (bp->num_tests - BNXT_DRV_TESTS)
 #define BNXT_PHYLPBK_TEST_IDX          (BNXT_MACLPBK_TEST_IDX + 1)
+#define BNXT_IRQ_TEST_IDX              (BNXT_MACLPBK_TEST_IDX + 2)
 
 static void bnxt_self_test(struct net_device *dev, struct ethtool_test *etest,
                           u64 *buf)
@@ -2437,6 +2461,10 @@ static void bnxt_self_test(struct net_device *dev, 
struct ethtool_test *etest,
                bnxt_half_close_nic(bp);
                bnxt_open_nic(bp, false, true);
        }
+       if (bnxt_test_irq(bp)) {
+               buf[BNXT_IRQ_TEST_IDX] = 1;
+               etest->flags |= ETH_TEST_FL_FAILED;
+       }
        for (i = 0; i < bp->num_tests - BNXT_DRV_TESTS; i++) {
                u8 bit_val = 1 << i;
 
@@ -2484,6 +2512,8 @@ void bnxt_ethtool_init(struct bnxt *bp)
                        strcpy(str, "Mac loopback test (offline)");
                } else if (i == BNXT_PHYLPBK_TEST_IDX) {
                        strcpy(str, "Phy loopback test (offline)");
+               } else if (i == BNXT_IRQ_TEST_IDX) {
+                       strcpy(str, "Interrupt_test (offline)");
                } else {
                        strlcpy(str, fw_str, ETH_GSTRING_LEN);
                        strncat(str, " test", ETH_GSTRING_LEN - strlen(str));
-- 
1.8.3.1