---

yaml
---
r: 256285
b: refs/heads/master
c: 0e2a9c7
h: refs/heads/master
i:
  256283: 5f28e16
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: a7d529ae2158b5300e4aa16c21f1828bc864449b
+refs/heads/master: 0e2a9c7cb941db993f481cdd6a99d70a302053e0

trunk/drivers/net/sfc/efx.c

@@ -2183,26 +2183,16 @@ void efx_schedule_reset(struct efx_nic *efx, enum reset_type type)
 	case RESET_TYPE_WORLD:
 	case RESET_TYPE_DISABLE:
 		method = type;
+		netif_dbg(efx, drv, efx->net_dev, "scheduling %s reset\n",
+			  RESET_TYPE(method));
 		break;
-	case RESET_TYPE_RX_RECOVERY:
-	case RESET_TYPE_RX_DESC_FETCH:
-	case RESET_TYPE_TX_DESC_FETCH:
-	case RESET_TYPE_TX_SKIP:
-		method = RESET_TYPE_INVISIBLE;
-		break;
-	case RESET_TYPE_MC_FAILURE:
 	default:
-		method = RESET_TYPE_ALL;
-		break;
-	}
-
-	if (method != type)
+		method = efx->type->map_reset_reason(type);
 		netif_dbg(efx, drv, efx->net_dev,
 			  "scheduling %s reset for %s\n",
 			  RESET_TYPE(method), RESET_TYPE(type));
-	else
-		netif_dbg(efx, drv, efx->net_dev, "scheduling %s reset\n",
-			  RESET_TYPE(method));
+		break;
+	}
 
 	set_bit(method, &efx->reset_pending);
 

trunk/drivers/net/sfc/ethtool.c

@@ -796,30 +796,13 @@ static int efx_ethtool_set_wol(struct net_device *net_dev,
 static int efx_ethtool_reset(struct net_device *net_dev, u32 *flags)
 {
 	struct efx_nic *efx = netdev_priv(net_dev);
-	enum reset_type method;
-	enum {
-		ETH_RESET_EFX_INVISIBLE = (ETH_RESET_DMA | ETH_RESET_FILTER |
-					   ETH_RESET_OFFLOAD | ETH_RESET_MAC)
-	};
-
-	/* Check for minimal reset flags */
-	if ((*flags & ETH_RESET_EFX_INVISIBLE) != ETH_RESET_EFX_INVISIBLE)
-		return -EINVAL;
-	*flags ^= ETH_RESET_EFX_INVISIBLE;
-	method = RESET_TYPE_INVISIBLE;
-
-	if (*flags & ETH_RESET_PHY) {
-		*flags ^= ETH_RESET_PHY;
-		method = RESET_TYPE_ALL;
-	}
+	int rc;
 
-	if ((*flags & efx->type->reset_world_flags) ==
-	    efx->type->reset_world_flags) {
-		*flags ^= efx->type->reset_world_flags;
-		method = RESET_TYPE_WORLD;
-	}
+	rc = efx->type->map_reset_flags(flags);
+	if (rc < 0)
+		return rc;
 
-	return efx_reset(efx, method);
+	return efx_reset(efx, rc);
 }
 
 static int

trunk/drivers/net/sfc/falcon.c

@@ -1051,6 +1051,49 @@ static int falcon_b0_test_registers(struct efx_nic *efx)
  **************************************************************************
  */
 
+static enum reset_type falcon_map_reset_reason(enum reset_type reason)
+{
+	switch (reason) {
+	case RESET_TYPE_RX_RECOVERY:
+	case RESET_TYPE_RX_DESC_FETCH:
+	case RESET_TYPE_TX_DESC_FETCH:
+	case RESET_TYPE_TX_SKIP:
+		/* These can occasionally occur due to hardware bugs.
+		 * We try to reset without disrupting the link.
+		 */
+		return RESET_TYPE_INVISIBLE;
+	default:
+		return RESET_TYPE_ALL;
+	}
+}
+
+static int falcon_map_reset_flags(u32 *flags)
+{
+	enum {
+		FALCON_RESET_INVISIBLE = (ETH_RESET_DMA | ETH_RESET_FILTER |
+					  ETH_RESET_OFFLOAD | ETH_RESET_MAC),
+		FALCON_RESET_ALL = FALCON_RESET_INVISIBLE | ETH_RESET_PHY,
+		FALCON_RESET_WORLD = FALCON_RESET_ALL | ETH_RESET_IRQ,
+	};
+
+	if ((*flags & FALCON_RESET_WORLD) == FALCON_RESET_WORLD) {
+		*flags &= ~FALCON_RESET_WORLD;
+		return RESET_TYPE_WORLD;
+	}
+
+	if ((*flags & FALCON_RESET_ALL) == FALCON_RESET_ALL) {
+		*flags &= ~FALCON_RESET_ALL;
+		return RESET_TYPE_ALL;
+	}
+
+	if ((*flags & FALCON_RESET_INVISIBLE) == FALCON_RESET_INVISIBLE) {
+		*flags &= ~FALCON_RESET_INVISIBLE;
+		return RESET_TYPE_INVISIBLE;
+	}
+
+	return -EINVAL;
+}
+
 /* Resets NIC to known state.  This routine must be called in process
  * context and is allowed to sleep. */
 static int __falcon_reset_hw(struct efx_nic *efx, enum reset_type method)
@@ -1709,6 +1752,8 @@ const struct efx_nic_type falcon_a1_nic_type = {
 	.init = falcon_init_nic,
 	.fini = efx_port_dummy_op_void,
 	.monitor = falcon_monitor,
+	.map_reset_reason = falcon_map_reset_reason,
+	.map_reset_flags = falcon_map_reset_flags,
 	.reset = falcon_reset_hw,
 	.probe_port = falcon_probe_port,
 	.remove_port = falcon_remove_port,
@@ -1741,7 +1786,6 @@ const struct efx_nic_type falcon_a1_nic_type = {
 	.tx_dc_base = 0x130000,
 	.rx_dc_base = 0x100000,
 	.offload_features = NETIF_F_IP_CSUM,
-	.reset_world_flags = ETH_RESET_IRQ,
 };
 
 const struct efx_nic_type falcon_b0_nic_type = {
@@ -1750,6 +1794,8 @@ const struct efx_nic_type falcon_b0_nic_type = {
 	.init = falcon_init_nic,
 	.fini = efx_port_dummy_op_void,
 	.monitor = falcon_monitor,
+	.map_reset_reason = falcon_map_reset_reason,
+	.map_reset_flags = falcon_map_reset_flags,
 	.reset = falcon_reset_hw,
 	.probe_port = falcon_probe_port,
 	.remove_port = falcon_remove_port,
@@ -1791,6 +1837,5 @@ const struct efx_nic_type falcon_b0_nic_type = {
 	.tx_dc_base = 0x130000,
 	.rx_dc_base = 0x100000,
 	.offload_features = NETIF_F_IP_CSUM | NETIF_F_RXHASH | NETIF_F_NTUPLE,
-	.reset_world_flags = ETH_RESET_IRQ,
 };
 

trunk/drivers/net/sfc/net_driver.h

@@ -828,6 +828,8 @@ static inline unsigned int efx_port_num(struct efx_nic *efx)
  * @init: Initialise the controller
  * @fini: Shut down the controller
  * @monitor: Periodic function for polling link state and hardware monitor
+ * @map_reset_reason: Map ethtool reset reason to a reset method
+ * @map_reset_flags: Map ethtool reset flags to a reset method, if possible
  * @reset: Reset the controller hardware and possibly the PHY.  This will
  *	be called while the controller is uninitialised.
  * @probe_port: Probe the MAC and PHY
@@ -865,15 +867,15 @@ static inline unsigned int efx_port_num(struct efx_nic *efx)
  * @rx_dc_base: Base address in SRAM of RX queue descriptor caches
  * @offload_features: net_device feature flags for protocol offload
  *	features implemented in hardware
- * @reset_world_flags: Flags for additional components covered by
- *	reset method RESET_TYPE_WORLD
  */
 struct efx_nic_type {
 	int (*probe)(struct efx_nic *efx);
 	void (*remove)(struct efx_nic *efx);
 	int (*init)(struct efx_nic *efx);
 	void (*fini)(struct efx_nic *efx);
 	void (*monitor)(struct efx_nic *efx);
+	enum reset_type (*map_reset_reason)(enum reset_type reason);
+	int (*map_reset_flags)(u32 *flags);
 	int (*reset)(struct efx_nic *efx, enum reset_type method);
 	int (*probe_port)(struct efx_nic *efx);
 	void (*remove_port)(struct efx_nic *efx);
@@ -908,7 +910,6 @@ struct efx_nic_type {
 	unsigned int tx_dc_base;
 	unsigned int rx_dc_base;
 	u32 offload_features;
-	u32 reset_world_flags;
 };
 
 /**************************************************************************

trunk/drivers/net/sfc/siena.c

@@ -177,6 +177,36 @@ static int siena_test_registers(struct efx_nic *efx)
  **************************************************************************
  */
 
+static enum reset_type siena_map_reset_reason(enum reset_type reason)
+{
+	return RESET_TYPE_ALL;
+}
+
+static int siena_map_reset_flags(u32 *flags)
+{
+	enum {
+		SIENA_RESET_PORT = (ETH_RESET_DMA | ETH_RESET_FILTER |
+				    ETH_RESET_OFFLOAD | ETH_RESET_MAC |
+				    ETH_RESET_PHY),
+		SIENA_RESET_MC = (SIENA_RESET_PORT |
+				  ETH_RESET_MGMT << ETH_RESET_SHARED_SHIFT),
+	};
+
+	if ((*flags & SIENA_RESET_MC) == SIENA_RESET_MC) {
+		*flags &= ~SIENA_RESET_MC;
+		return RESET_TYPE_WORLD;
+	}
+
+	if ((*flags & SIENA_RESET_PORT) == SIENA_RESET_PORT) {
+		*flags &= ~SIENA_RESET_PORT;
+		return RESET_TYPE_ALL;
+	}
+
+	/* no invisible reset implemented */
+
+	return -EINVAL;
+}
+
 static int siena_reset_hw(struct efx_nic *efx, enum reset_type method)
 {
 	int rc;
@@ -605,6 +635,8 @@ const struct efx_nic_type siena_a0_nic_type = {
 	.init = siena_init_nic,
 	.fini = efx_port_dummy_op_void,
 	.monitor = NULL,
+	.map_reset_reason = siena_map_reset_reason,
+	.map_reset_flags = siena_map_reset_flags,
 	.reset = siena_reset_hw,
 	.probe_port = siena_probe_port,
 	.remove_port = siena_remove_port,
@@ -641,5 +673,4 @@ const struct efx_nic_type siena_a0_nic_type = {
 	.rx_dc_base = 0x68000,
 	.offload_features = (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
 			     NETIF_F_RXHASH | NETIF_F_NTUPLE),
-	.reset_world_flags = ETH_RESET_MGMT << ETH_RESET_SHARED_SHIFT,
 };