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2024-05-10 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb

 kernel/drivers/net/ethernet/sfc/efx.c
..
..
@@ -105,14 +105,6 @@
105
105
 static int efx_xdp_xmit(struct net_device *dev, int n, struct xdp_frame **xdpfs,
106
106
 			u32 flags);
107
107
 
108
-#define EFX_ASSERT_RESET_SERIALISED(efx)		\
109
-	do {						\
110
-		if ((efx->state == STATE_READY) ||	\
111
-		    (efx->state == STATE_RECOVERY) ||	\
112
-		    (efx->state == STATE_DISABLED))	\
113
-			ASSERT_RTNL();			\
114
-	} while (0)
115
-
116
108
 /**************************************************************************
117
109
  *
118
110
  * Port handling
..
..
@@ -377,6 +369,8 @@
377
369
 	if (rc)
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370
 		goto fail5;
379
371
 
372
+	efx->state = STATE_NET_DOWN;
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+
380
374
 	return 0;
381
375
 
382
376
  fail5:
..
..
@@ -543,7 +537,9 @@
543
537
 	efx_start_all(efx);
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538
 	if (efx->state == STATE_DISABLED || efx->reset_pending)
545
539
 		netif_device_detach(efx->net_dev);
546
-	efx_selftest_async_start(efx);
540
+	else
541
+		efx->state = STATE_NET_UP;
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+
547
543
 	return 0;
548
544
 }
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545
 
..
..
@@ -721,8 +717,6 @@
721
717
 	 * already requested.  If so, the NIC is probably hosed so we
722
718
 	 * abort.
723
719
 	 */
724
-	efx->state = STATE_READY;
725
-	smp_mb(); /* ensure we change state before checking reset_pending */
726
720
 	if (efx->reset_pending) {
727
721
 		netif_err(efx, probe, efx->net_dev,
728
722
 			  "aborting probe due to scheduled reset\n");
..
..
@@ -749,6 +743,8 @@
749
743
 	}
750
744
 
751
745
 	efx_associate(efx);
746
+
747
+	efx->state = STATE_NET_DOWN;
752
748
 
753
749
 	rtnl_unlock();
754
750
 
..
..
@@ -851,7 +847,7 @@
851
847
 	/* Flush reset_work. It can no longer be scheduled since we
852
848
 	 * are not READY.
853
849
 	 */
854
-	BUG_ON(efx->state == STATE_READY);
850
+	WARN_ON(efx_net_active(efx->state));
855
851
 	efx_flush_reset_workqueue(efx);
856
852
 
857
853
 	efx_disable_interrupts(efx);
..
..
@@ -1045,18 +1041,18 @@
1045
1041
 	}
1046
1042
 
1047
1043
 	/* Determine netdevice features */
1048
-	net_dev->features |= (efx->type->offload_features | NETIF_F_SG |
1049
-			      NETIF_F_TSO | NETIF_F_RXCSUM | NETIF_F_RXALL);
1050
-	if (efx->type->offload_features & (NETIF_F_IPV6_CSUM | NETIF_F_HW_CSUM))
1051
-		net_dev->features |= NETIF_F_TSO6;
1052
-	/* Check whether device supports TSO */
1053
-	if (!efx->type->tso_versions || !efx->type->tso_versions(efx))
1054
-		net_dev->features &= ~NETIF_F_ALL_TSO;
1044
+	net_dev->features |= efx->type->offload_features;
1045
+
1046
+	/* Add TSO features */
1047
+	if (efx->type->tso_versions && efx->type->tso_versions(efx))
1048
+		net_dev->features |= NETIF_F_TSO | NETIF_F_TSO6;
1049
+
1055
1050
 	/* Mask for features that also apply to VLAN devices */
1056
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 	net_dev->vlan_features |= (NETIF_F_HW_CSUM | NETIF_F_SG |
1057
1052
 				   NETIF_F_HIGHDMA | NETIF_F_ALL_TSO |
1058
1053
 				   NETIF_F_RXCSUM);
1059
1054
 
1055
+	/* Determine user configurable features */
1060
1056
 	net_dev->hw_features |= net_dev->features & ~efx->fixed_features;
1061
1057
 
1062
1058
 	/* Disable receiving frames with bad FCS, by default. */
..
..
@@ -1196,13 +1192,13 @@
1196
1192
 
1197
1193
 	rtnl_lock();
1198
1194
 
1199
-	if (efx->state != STATE_DISABLED) {
1200
-		efx->state = STATE_UNINIT;
1201
-
1195
+	if (efx_net_active(efx->state)) {
1202
1196
 		efx_device_detach_sync(efx);
1203
1197
 
1204
1198
 		efx_stop_all(efx);
1205
1199
 		efx_disable_interrupts(efx);
1200
+
1201
+		efx->state = efx_freeze(efx->state);
1206
1202
 	}
1207
1203
 
1208
1204
 	rtnl_unlock();
..
..
@@ -1217,7 +1213,7 @@
1217
1213
 
1218
1214
 	rtnl_lock();
1219
1215
 
1220
-	if (efx->state != STATE_DISABLED) {
1216
+	if (efx_frozen(efx->state)) {
1221
1217
 		rc = efx_enable_interrupts(efx);
1222
1218
 		if (rc)
1223
1219
 			goto fail;
..
..
@@ -1230,7 +1226,7 @@
1230
1226
 
1231
1227
 		efx_device_attach_if_not_resetting(efx);
1232
1228
 
1233
-		efx->state = STATE_READY;
1229
+		efx->state = efx_thaw(efx->state);
1234
1230
 
1235
1231
 		efx->type->resume_wol(efx);
1236
1232
 	}