On Mon, Mar 13, 2017 at 08:31:15PM +0200, Erez Shitrit wrote:
+struct ipoib_rdma_netdev {
+ struct rdma_netdev rn; /* keep this first */
+ /* followed by device private data */
+ char *dev_priv[0];
+};
+
+static inline void *ipoib_priv(const struct net_device *dev)
+{
+ struct rdma_netdev *rn = netdev_priv(dev);
+
+ return rn->clnt_priv;
+}
+
+static inline void *ipoib_dev_priv(const struct net_device *dev)
+{
+ struct ipoib_rdma_netdev *ipoib_rn = netdev_priv(dev);
+
+ return ipoib_rn->dev_priv;
+}
+
It can be confusing to see return of ipoib_priv() getting assigned to
ipoib_dev_priv (legacy name). May be we should change ipoib_dev_priv() to
ipoib_hw_priv()?
+#endif /* IB_IPOIB_ACCEL_OPS_H */
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 85b9034c8cfc..9b090efccdba 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -1901,6 +1901,41 @@ struct ib_port_immutable {
u32 max_mad_size;
};
+/* rdma netdev type - specifies protocol type */
+enum rdma_netdev_t {
+ RDMA_NETDEV_OPA_VNIC,
+ RDMA_NETDEV_IPOIB
+};
+
+struct ipoib_ah;
+
+/**
+ * struct rdma_netdev - rdma netdev
+ * For cases where netstack interfacing is required.
+ */
+struct rdma_netdev {
+ void *clnt_priv;
+
+ /* control functions */
+ void (*set_id)(struct net_device *netdev, int id);
+ /* IB resource allocation function, returns new UD QP */
+ int (*ib_dev_init)(struct net_device *dev, struct ib_device *hca,
+ int *qp_num);
+ void (*ib_dev_cleanup)(struct net_device *dev, struct ib_device *hca);
+
+ /* send packet */
+ void (*send)(struct net_device *dev, struct sk_buff *skb,
+ struct ipoib_ah *address, u32 dqpn, u32 dqkey);
+
+ /* multicast */
+ int (*attach_mcast)(struct net_device *dev, struct ib_device *hca,
+ union ib_gid *gid, u16 lid, int set_qkey);
+ int (*detach_mcast)(struct net_device *dev, struct ib_device *hca,
+ union ib_gid *gid, u16 lid);
+ int qp_num;
May be ipoib_rdma_netdev structure is the right place for these functions?
+ void *context;
No context should be necessary here.
+};
+
struct ib_device {
struct device *dma_device;
@@ -2149,6 +2184,7 @@ struct ib_device {
struct ib_wq_attr *attr,
u32 wq_attr_mask,
struct ib_udata *udata);
+ struct ib_ipoib_accel_ops * (*get_ipoib_accel_ops)(struct ib_device *device);
old code, needs fix.
Niranjana
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