IPoIB: Use netif_tx_lock() and get rid of private tx_lock, LLTX

[linux-2.6-omap-h63xx.git] / drivers / infiniband / ulp / ipoib / ipoib.h

diff --git a/drivers/infiniband/ulp/ipoib/ipoib.h b/drivers/infiniband/ulp/ipoib/ipoib.h
index 7b46e2d7b3c20a36d99b4639f88ff0f2bd9485a6..68ba5c3482e47097b50998db96dc8941b37363d2 100644 (file)
--- a/drivers/infiniband/ulp/ipoib/ipoib.h
+++ b/drivers/infiniband/ulp/ipoib/ipoib.h
@@ -70,8 +70,8 @@ enum {
        IPOIB_CM_BUF_SIZE         = IPOIB_CM_MTU  + IPOIB_ENCAP_LEN,
        IPOIB_CM_HEAD_SIZE        = IPOIB_CM_BUF_SIZE % PAGE_SIZE,
        IPOIB_CM_RX_SG            = ALIGN(IPOIB_CM_BUF_SIZE, PAGE_SIZE) / PAGE_SIZE,
-       IPOIB_RX_RING_SIZE        = 128,
-       IPOIB_TX_RING_SIZE        = 64,
+       IPOIB_RX_RING_SIZE        = 256,
+       IPOIB_TX_RING_SIZE        = 128,
        IPOIB_MAX_QUEUE_SIZE      = 8192,
        IPOIB_MIN_QUEUE_SIZE      = 2,
        IPOIB_CM_MAX_CONN_QP      = 4096,
@@ -157,6 +157,11 @@ struct ipoib_tx_buf {
        u64             mapping[MAX_SKB_FRAGS + 1];
 };
 
+struct ipoib_cm_tx_buf {
+       struct sk_buff *skb;
+       u64             mapping;
+};
+
 struct ib_cm_id;
 
 struct ipoib_cm_data {
@@ -215,7 +220,7 @@ struct ipoib_cm_tx {
        struct net_device   *dev;
        struct ipoib_neigh  *neigh;
        struct ipoib_path   *path;
-       struct ipoib_tx_buf *tx_ring;
+       struct ipoib_cm_tx_buf *tx_ring;
        unsigned             tx_head;
        unsigned             tx_tail;
        unsigned long        flags;
@@ -263,10 +268,9 @@ struct ipoib_lro {
 };
 
 /*
- * Device private locking: tx_lock protects members used in TX fast
- * path (and we use LLTX so upper layers don't do extra locking).
- * lock protects everything else.  lock nests inside of tx_lock (ie
- * tx_lock must be acquired first if needed).
+ * Device private locking: network stack tx_lock protects members used
+ * in TX fast path, lock protects everything else.  lock nests inside
+ * of tx_lock (ie tx_lock must be acquired first if needed).
  */
 struct ipoib_dev_priv {
        spinlock_t lock;
@@ -288,6 +292,7 @@ struct ipoib_dev_priv {
 
        struct delayed_work pkey_poll_task;
        struct delayed_work mcast_task;
+       struct work_struct carrier_on_task;
        struct work_struct flush_light;
        struct work_struct flush_normal;
        struct work_struct flush_heavy;
@@ -314,7 +319,6 @@ struct ipoib_dev_priv {
 
        struct ipoib_rx_buf *rx_ring;
 
-       spinlock_t           tx_lock;
        struct ipoib_tx_buf *tx_ring;
        unsigned             tx_head;
        unsigned             tx_tail;
@@ -459,6 +463,7 @@ int ipoib_dev_init(struct net_device *dev, struct ib_device *ca, int port);
 void ipoib_dev_cleanup(struct net_device *dev);
 
 void ipoib_mcast_join_task(struct work_struct *work);
+void ipoib_mcast_carrier_on_task(struct work_struct *work);
 void ipoib_mcast_send(struct net_device *dev, void *mgid, struct sk_buff *skb);
 
 void ipoib_mcast_restart_task(struct work_struct *work);
@@ -486,8 +491,6 @@ void ipoib_path_iter_read(struct ipoib_path_iter *iter,
 
 int ipoib_mcast_attach(struct net_device *dev, u16 mlid,
                       union ib_gid *mgid, int set_qkey);
-int ipoib_mcast_detach(struct net_device *dev, u16 mlid,
-                      union ib_gid *mgid);
 
 int ipoib_init_qp(struct net_device *dev);
 int ipoib_transport_dev_init(struct net_device *dev, struct ib_device *ca);