1 files changed, 96 insertions, 0 deletions
diff --git a/include/rdma/opa_vnic.h b/include/rdma/opa_vnic.h
new file mode 100644
index 000000000..f3d5377b2
--- /dev/null
+++ b/include/rdma/opa_vnic.h
@@ -0,0 +1,96 @@
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
+/*
+ * Copyright(c) 2017 - 2020 Intel Corporation.
+ */
+
+#ifndef _OPA_VNIC_H
+#define _OPA_VNIC_H
+
+/*
+ * This file contains Intel Omni-Path (OPA) Virtual Network Interface
+ * Controller (VNIC) specific declarations.
+ */
+
+#include <rdma/ib_verbs.h>
+
+/* 16 header bytes + 2 reserved bytes */
+#define OPA_VNIC_L2_HDR_LEN   (16 + 2)
+
+#define OPA_VNIC_L4_HDR_LEN   2
+
+#define OPA_VNIC_HDR_LEN      (OPA_VNIC_L2_HDR_LEN + \
+			       OPA_VNIC_L4_HDR_LEN)
+
+#define OPA_VNIC_L4_ETHR  0x78
+
+#define OPA_VNIC_ICRC_LEN   4
+#define OPA_VNIC_TAIL_LEN   1
+#define OPA_VNIC_ICRC_TAIL_LEN  (OPA_VNIC_ICRC_LEN + OPA_VNIC_TAIL_LEN)
+
+#define OPA_VNIC_SKB_MDATA_LEN         4
+#define OPA_VNIC_SKB_MDATA_ENCAP_ERR   0x1
+
+/* opa vnic rdma netdev's private data structure */
+struct opa_vnic_rdma_netdev {
+	struct rdma_netdev rn;  /* keep this first */
+	/* followed by device private data */
+	char *dev_priv[];
+};
+
+static inline void *opa_vnic_priv(const struct net_device *dev)
+{
+	struct rdma_netdev *rn = netdev_priv(dev);
+
+	return rn->clnt_priv;
+}
+
+static inline void *opa_vnic_dev_priv(const struct net_device *dev)
+{
+	struct opa_vnic_rdma_netdev *oparn = netdev_priv(dev);
+
+	return oparn->dev_priv;
+}
+
+/* opa_vnic skb meta data structrue */
+struct opa_vnic_skb_mdata {
+	u8 vl;
+	u8 entropy;
+	u8 flags;
+	u8 rsvd;
+} __packed;
+
+/* OPA VNIC group statistics */
+struct opa_vnic_grp_stats {
+	u64 unicast;
+	u64 mcastbcast;
+	u64 untagged;
+	u64 vlan;
+	u64 s_64;
+	u64 s_65_127;
+	u64 s_128_255;
+	u64 s_256_511;
+	u64 s_512_1023;
+	u64 s_1024_1518;
+	u64 s_1519_max;
+};
+
+struct opa_vnic_stats {
+	/* standard netdev statistics */
+	struct rtnl_link_stats64 netstats;
+
+	/* OPA VNIC statistics */
+	struct opa_vnic_grp_stats tx_grp;
+	struct opa_vnic_grp_stats rx_grp;
+	u64 tx_dlid_zero;
+	u64 tx_drop_state;
+	u64 rx_drop_state;
+	u64 rx_runt;
+	u64 rx_oversize;
+};
+
+static inline bool rdma_cap_opa_vnic(struct ib_device *device)
+{
+	return !!(device->attrs.kernel_cap_flags & IBK_RDMA_NETDEV_OPA);
+}
+
+#endif /* _OPA_VNIC_H */