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authorDavid S. Miller <davem@davemloft.net>2015-06-02 01:33:25 -0400
committerDavid S. Miller <davem@davemloft.net>2015-06-02 01:51:30 -0400
commitdda922c831d1661c11a3ae1051b7160236f6ffb0 (patch)
tree2fe588dbc4dc90addaabf303713fb2c6af0dc19b /drivers/net/xen-netback
parentdb3397b9aa30d334be237170e048dcd96e1e951d (diff)
parentc46a024ea5eb0165114dbbc8c82c29b7bcf66e71 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts: drivers/net/phy/amd-xgbe-phy.c drivers/net/wireless/iwlwifi/Kconfig include/net/mac80211.h iwlwifi/Kconfig and mac80211.h were both trivial overlapping changes. The drivers/net/phy/amd-xgbe-phy.c file got removed in 'net-next' and the bug fix that happened on the 'net' side is already integrated into the rest of the amd-xgbe driver. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/xen-netback')
-rw-r--r--drivers/net/xen-netback/netback.c2
-rw-r--r--drivers/net/xen-netback/xenbus.c34
2 files changed, 21 insertions, 15 deletions
diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c
index 792ada66d983..f1b2c1721917 100644
--- a/drivers/net/xen-netback/netback.c
+++ b/drivers/net/xen-netback/netback.c
@@ -1250,7 +1250,7 @@ static void xenvif_tx_build_gops(struct xenvif_queue *queue,
1250 netdev_err(queue->vif->dev, 1250 netdev_err(queue->vif->dev,
1251 "txreq.offset: %x, size: %u, end: %lu\n", 1251 "txreq.offset: %x, size: %u, end: %lu\n",
1252 txreq.offset, txreq.size, 1252 txreq.offset, txreq.size,
1253 (txreq.offset&~PAGE_MASK) + txreq.size); 1253 (unsigned long)(txreq.offset&~PAGE_MASK) + txreq.size);
1254 xenvif_fatal_tx_err(queue->vif); 1254 xenvif_fatal_tx_err(queue->vif);
1255 break; 1255 break;
1256 } 1256 }
diff --git a/drivers/net/xen-netback/xenbus.c b/drivers/net/xen-netback/xenbus.c
index 3d8dbf5f2d39..968787abf78d 100644
--- a/drivers/net/xen-netback/xenbus.c
+++ b/drivers/net/xen-netback/xenbus.c
@@ -34,6 +34,8 @@ struct backend_info {
34 enum xenbus_state frontend_state; 34 enum xenbus_state frontend_state;
35 struct xenbus_watch hotplug_status_watch; 35 struct xenbus_watch hotplug_status_watch;
36 u8 have_hotplug_status_watch:1; 36 u8 have_hotplug_status_watch:1;
37
38 const char *hotplug_script;
37}; 39};
38 40
39static int connect_rings(struct backend_info *be, struct xenvif_queue *queue); 41static int connect_rings(struct backend_info *be, struct xenvif_queue *queue);
@@ -238,6 +240,7 @@ static int netback_remove(struct xenbus_device *dev)
238 xenvif_free(be->vif); 240 xenvif_free(be->vif);
239 be->vif = NULL; 241 be->vif = NULL;
240 } 242 }
243 kfree(be->hotplug_script);
241 kfree(be); 244 kfree(be);
242 dev_set_drvdata(&dev->dev, NULL); 245 dev_set_drvdata(&dev->dev, NULL);
243 return 0; 246 return 0;
@@ -255,6 +258,7 @@ static int netback_probe(struct xenbus_device *dev,
255 struct xenbus_transaction xbt; 258 struct xenbus_transaction xbt;
256 int err; 259 int err;
257 int sg; 260 int sg;
261 const char *script;
258 struct backend_info *be = kzalloc(sizeof(struct backend_info), 262 struct backend_info *be = kzalloc(sizeof(struct backend_info),
259 GFP_KERNEL); 263 GFP_KERNEL);
260 if (!be) { 264 if (!be) {
@@ -347,6 +351,15 @@ static int netback_probe(struct xenbus_device *dev,
347 if (err) 351 if (err)
348 pr_debug("Error writing multi-queue-max-queues\n"); 352 pr_debug("Error writing multi-queue-max-queues\n");
349 353
354 script = xenbus_read(XBT_NIL, dev->nodename, "script", NULL);
355 if (IS_ERR(script)) {
356 err = PTR_ERR(script);
357 xenbus_dev_fatal(dev, err, "reading script");
358 goto fail;
359 }
360
361 be->hotplug_script = script;
362
350 err = xenbus_switch_state(dev, XenbusStateInitWait); 363 err = xenbus_switch_state(dev, XenbusStateInitWait);
351 if (err) 364 if (err)
352 goto fail; 365 goto fail;
@@ -379,22 +392,14 @@ static int netback_uevent(struct xenbus_device *xdev,
379 struct kobj_uevent_env *env) 392 struct kobj_uevent_env *env)
380{ 393{
381 struct backend_info *be = dev_get_drvdata(&xdev->dev); 394 struct backend_info *be = dev_get_drvdata(&xdev->dev);
382 char *val;
383 395
384 val = xenbus_read(XBT_NIL, xdev->nodename, "script", NULL); 396 if (!be)
385 if (IS_ERR(val)) { 397 return 0;
386 int err = PTR_ERR(val);
387 xenbus_dev_fatal(xdev, err, "reading script");
388 return err;
389 } else {
390 if (add_uevent_var(env, "script=%s", val)) {
391 kfree(val);
392 return -ENOMEM;
393 }
394 kfree(val);
395 }
396 398
397 if (!be || !be->vif) 399 if (add_uevent_var(env, "script=%s", be->hotplug_script))
400 return -ENOMEM;
401
402 if (!be->vif)
398 return 0; 403 return 0;
399 404
400 return add_uevent_var(env, "vif=%s", be->vif->dev->name); 405 return add_uevent_var(env, "vif=%s", be->vif->dev->name);
@@ -793,6 +798,7 @@ static void connect(struct backend_info *be)
793 goto err; 798 goto err;
794 } 799 }
795 800
801 queue->credit_bytes = credit_bytes;
796 queue->remaining_credit = credit_bytes; 802 queue->remaining_credit = credit_bytes;
797 queue->credit_usec = credit_usec; 803 queue->credit_usec = credit_usec;
798 804