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path: root/drivers/net/cxgb3/cxgb3_offload.c
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Diffstat (limited to 'drivers/net/cxgb3/cxgb3_offload.c')
-rw-r--r--drivers/net/cxgb3/cxgb3_offload.c27
1 files changed, 25 insertions, 2 deletions
diff --git a/drivers/net/cxgb3/cxgb3_offload.c b/drivers/net/cxgb3/cxgb3_offload.c
index 620d80be6aac..f9f54b57b28c 100644
--- a/drivers/net/cxgb3/cxgb3_offload.c
+++ b/drivers/net/cxgb3/cxgb3_offload.c
@@ -566,13 +566,31 @@ static void t3_process_tid_release_list(struct work_struct *work)
spin_unlock_bh(&td->tid_release_lock);
skb = alloc_skb(sizeof(struct cpl_tid_release),
- GFP_KERNEL | __GFP_NOFAIL);
+ GFP_KERNEL);
+ if (!skb)
+ skb = td->nofail_skb;
+ if (!skb) {
+ spin_lock_bh(&td->tid_release_lock);
+ p->ctx = (void *)td->tid_release_list;
+ td->tid_release_list = (struct t3c_tid_entry *)p;
+ break;
+ }
mk_tid_release(skb, p - td->tid_maps.tid_tab);
cxgb3_ofld_send(tdev, skb);
p->ctx = NULL;
+ if (skb == td->nofail_skb)
+ td->nofail_skb =
+ alloc_skb(sizeof(struct cpl_tid_release),
+ GFP_KERNEL);
spin_lock_bh(&td->tid_release_lock);
}
+ td->release_list_incomplete = (td->tid_release_list == NULL) ? 0 : 1;
spin_unlock_bh(&td->tid_release_lock);
+
+ if (!td->nofail_skb)
+ td->nofail_skb =
+ alloc_skb(sizeof(struct cpl_tid_release),
+ GFP_KERNEL);
}
/* use ctx as a next pointer in the tid release list */
@@ -585,7 +603,7 @@ void cxgb3_queue_tid_release(struct t3cdev *tdev, unsigned int tid)
p->ctx = (void *)td->tid_release_list;
p->client = NULL;
td->tid_release_list = p;
- if (!p->ctx)
+ if (!p->ctx || td->release_list_incomplete)
schedule_work(&td->tid_release_task);
spin_unlock_bh(&td->tid_release_lock);
}
@@ -1274,6 +1292,9 @@ int cxgb3_offload_activate(struct adapter *adapter)
if (list_empty(&adapter_list))
register_netevent_notifier(&nb);
+ t->nofail_skb = alloc_skb(sizeof(struct cpl_tid_release), GFP_KERNEL);
+ t->release_list_incomplete = 0;
+
add_adapter(adapter);
return 0;
@@ -1298,6 +1319,8 @@ void cxgb3_offload_deactivate(struct adapter *adapter)
T3C_DATA(tdev) = NULL;
t3_free_l2t(L2DATA(tdev));
L2DATA(tdev) = NULL;
+ if (t->nofail_skb)
+ kfree_skb(t->nofail_skb);
kfree(t);
}