diff --git a/drivers/net/sfc/base/ef10_nic.c b/drivers/net/sfc/base/ef10_nic.c
index 50e23b7d4e..5401217568 100644
--- a/drivers/net/sfc/base/ef10_nic.c
+++ b/drivers/net/sfc/base/ef10_nic.c
@@ -1748,6 +1748,56 @@ ef10_external_port_mapping(
 	return (rc);
 }
 
+static	__checkReturn	efx_rc_t
+ef10_set_workaround_bug26807(
+	__in		efx_nic_t *enp)
+{
+	efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
+	uint32_t flags;
+	efx_rc_t rc;
+
+	/*
+	 * If the bug26807 workaround is enabled, then firmware has enabled
+	 * support for chained multicast filters. Firmware will reset (FLR)
+	 * functions which have filters in the hardware filter table when the
+	 * workaround is enabled/disabled.
+	 *
+	 * We must recheck if the workaround is enabled after inserting the
+	 * first hardware filter, in case it has been changed since this check.
+	 */
+	rc = efx_mcdi_set_workaround(enp, MC_CMD_WORKAROUND_BUG26807,
+	    B_TRUE, &flags);
+	if (rc == 0) {
+		encp->enc_bug26807_workaround = B_TRUE;
+		if (flags & (1 << MC_CMD_WORKAROUND_EXT_OUT_FLR_DONE_LBN)) {
+			/*
+			 * Other functions had installed filters before the
+			 * workaround was enabled, and they have been reset
+			 * by firmware.
+			 */
+			EFSYS_PROBE(bug26807_workaround_flr_done);
+			/* FIXME: bump MC warm boot count ? */
+		}
+	} else if (rc == EACCES) {
+		/*
+		 * Unprivileged functions cannot enable the workaround in older
+		 * firmware.
+		 */
+		encp->enc_bug26807_workaround = B_FALSE;
+	} else if ((rc == ENOTSUP) || (rc == ENOENT)) {
+		encp->enc_bug26807_workaround = B_FALSE;
+	} else {
+		goto fail1;
+	}
+
+	return (0);
+
+fail1:
+	EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+	return (rc);
+}
+
 static	__checkReturn	efx_rc_t
 ef10_nic_board_cfg(
 	__in		efx_nic_t *enp)
@@ -1906,13 +1956,18 @@ ef10_nic_board_cfg(
 		goto fail10;
 	encp->enc_privilege_mask = mask;
 
+	if ((rc = ef10_set_workaround_bug26807(enp)) != 0)
+		goto fail11;
+
 	/* Get remaining controller-specific board config */
 	if ((rc = enop->eno_board_cfg(enp)) != 0)
 		if (rc != EACCES)
-			goto fail11;
+			goto fail12;
 
 	return (0);
 
+fail12:
+	EFSYS_PROBE(fail12);
 fail11:
 	EFSYS_PROBE(fail11);
 fail10:
diff --git a/drivers/net/sfc/base/hunt_nic.c b/drivers/net/sfc/base/hunt_nic.c
index ca30e90f72..abff18ebcc 100644
--- a/drivers/net/sfc/base/hunt_nic.c
+++ b/drivers/net/sfc/base/hunt_nic.c
@@ -72,7 +72,6 @@ hunt_board_cfg(
 {
 	efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
 	efx_port_t *epp = &(enp->en_port);
-	uint32_t flags;
 	uint32_t sysclk, dpcpu_clk;
 	uint32_t bandwidth;
 	efx_rc_t rc;
@@ -130,43 +129,9 @@ hunt_board_cfg(
 		encp->enc_bug41750_workaround = B_TRUE;
 	}
 
-	/*
-	 * If the bug26807 workaround is enabled, then firmware has enabled
-	 * support for chained multicast filters. Firmware will reset (FLR)
-	 * functions which have filters in the hardware filter table when the
-	 * workaround is enabled/disabled.
-	 *
-	 * We must recheck if the workaround is enabled after inserting the
-	 * first hardware filter, in case it has been changed since this check.
-	 */
-	rc = efx_mcdi_set_workaround(enp, MC_CMD_WORKAROUND_BUG26807,
-	    B_TRUE, &flags);
-	if (rc == 0) {
-		encp->enc_bug26807_workaround = B_TRUE;
-		if (flags & (1 << MC_CMD_WORKAROUND_EXT_OUT_FLR_DONE_LBN)) {
-			/*
-			 * Other functions had installed filters before the
-			 * workaround was enabled, and they have been reset
-			 * by firmware.
-			 */
-			EFSYS_PROBE(bug26807_workaround_flr_done);
-			/* FIXME: bump MC warm boot count ? */
-		}
-	} else if (rc == EACCES) {
-		/*
-		 * Unprivileged functions cannot enable the workaround in older
-		 * firmware.
-		 */
-		encp->enc_bug26807_workaround = B_FALSE;
-	} else if ((rc == ENOTSUP) || (rc == ENOENT)) {
-		encp->enc_bug26807_workaround = B_FALSE;
-	} else {
-		goto fail3;
-	}
-
 	/* Get clock frequencies (in MHz). */
 	if ((rc = efx_mcdi_get_clock(enp, &sysclk, &dpcpu_clk)) != 0)
-		goto fail4;
+		goto fail3;
 
 	/*
 	 * The Huntington timer quantum is 1536 sysclk cycles, documented for
@@ -202,7 +167,7 @@ hunt_board_cfg(
 	encp->enc_piobuf_min_alloc_size = HUNT_MIN_PIO_ALLOC_SIZE;
 
 	if ((rc = hunt_nic_get_required_pcie_bandwidth(enp, &bandwidth)) != 0)
-		goto fail5;
+		goto fail4;
 	encp->enc_required_pcie_bandwidth_mbps = bandwidth;
 
 	/* All Huntington devices have a PCIe Gen3, 8 lane connector */
@@ -210,8 +175,6 @@ hunt_board_cfg(
 
 	return (0);
 
-fail5:
-	EFSYS_PROBE(fail5);
 fail4:
 	EFSYS_PROBE(fail4);
 fail3:
diff --git a/drivers/net/sfc/base/medford2_nic.c b/drivers/net/sfc/base/medford2_nic.c
index 6bc1e87cc5..0012350b9a 100644
--- a/drivers/net/sfc/base/medford2_nic.c
+++ b/drivers/net/sfc/base/medford2_nic.c
@@ -69,9 +69,6 @@ medford2_board_cfg(
 		encp->enc_bug41750_workaround = B_TRUE;
 	}
 
-	/* Chained multicast is always enabled on Medford2 */
-	encp->enc_bug26807_workaround = B_TRUE;
-
 	/*
 	 * If the bug61265 workaround is enabled, then interrupt holdoff timers
 	 * cannot be controlled by timer table writes, so MCDI must be used
diff --git a/drivers/net/sfc/base/medford_nic.c b/drivers/net/sfc/base/medford_nic.c
index bfe01ca937..be0814461a 100644
--- a/drivers/net/sfc/base/medford_nic.c
+++ b/drivers/net/sfc/base/medford_nic.c
@@ -67,9 +67,6 @@ medford_board_cfg(
 		encp->enc_bug41750_workaround = B_TRUE;
 	}
 
-	/* Chained multicast is always enabled on Medford */
-	encp->enc_bug26807_workaround = B_TRUE;
-
 	/*
 	 * If the bug61265 workaround is enabled, then interrupt holdoff timers
 	 * cannot be controlled by timer table writes, so MCDI must be used