dpaa2-eth: Move DPAA2 Ethernet driver from staging to drivers/net

The DPAA2 Ethernet driver supports Freescale/NXP SoCs with DPAA2
(DataPath Acceleration Architecture v2). The driver manages
network objects discovered on the fsl-mc bus.

Signed-off-by: Ioana Radulescu <ruxandra.radulescu@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 158 insertions, 0 deletions

diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth-trace.h b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth-trace.h
new file mode 100644
index 000000000000..9801528db2a5
--- /dev/null
+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth-trace.h
@@ -0,0 +1,158 @@
+/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
+/* Copyright 2014-2015 Freescale Semiconductor Inc.
+ */
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM	dpaa2_eth
+
+#if !defined(_DPAA2_ETH_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _DPAA2_ETH_TRACE_H
+
+#include <linux/skbuff.h>
+#include <linux/netdevice.h>
+#include "dpaa2-eth.h"
+#include <linux/tracepoint.h>
+
+#define TR_FMT "[%s] fd: addr=0x%llx, len=%u, off=%u"
+/* trace_printk format for raw buffer event class */
+#define TR_BUF_FMT "[%s] vaddr=%p size=%zu dma_addr=%pad map_size=%zu bpid=%d"
+
+/* This is used to declare a class of events.
+ * individual events of this type will be defined below.
+ */
+
+/* Store details about a frame descriptor */
+DECLARE_EVENT_CLASS(dpaa2_eth_fd,
+		    /* Trace function prototype */
+		    TP_PROTO(struct net_device *netdev,
+			     const struct dpaa2_fd *fd),
+
+		    /* Repeat argument list here */
+		    TP_ARGS(netdev, fd),
+
+		    /* A structure containing the relevant information we want
+		     * to record. Declare name and type for each normal element,
+		     * name, type and size for arrays. Use __string for variable
+		     * length strings.
+		     */
+		    TP_STRUCT__entry(
+				     __field(u64, fd_addr)
+				     __field(u32, fd_len)
+				     __field(u16, fd_offset)
+				     __string(name, netdev->name)
+		    ),
+
+		    /* The function that assigns values to the above declared
+		     * fields
+		     */
+		    TP_fast_assign(
+				   __entry->fd_addr = dpaa2_fd_get_addr(fd);
+				   __entry->fd_len = dpaa2_fd_get_len(fd);
+				   __entry->fd_offset = dpaa2_fd_get_offset(fd);
+				   __assign_str(name, netdev->name);
+		    ),
+
+		    /* This is what gets printed when the trace event is
+		     * triggered.
+		     */
+		    TP_printk(TR_FMT,
+			      __get_str(name),
+			      __entry->fd_addr,
+			      __entry->fd_len,
+			      __entry->fd_offset)
+);
+
+/* Now declare events of the above type. Format is:
+ * DEFINE_EVENT(class, name, proto, args), with proto and args same as for class
+ */
+
+/* Tx (egress) fd */
+DEFINE_EVENT(dpaa2_eth_fd, dpaa2_tx_fd,
+	     TP_PROTO(struct net_device *netdev,
+		      const struct dpaa2_fd *fd),
+
+	     TP_ARGS(netdev, fd)
+);
+
+/* Rx fd */
+DEFINE_EVENT(dpaa2_eth_fd, dpaa2_rx_fd,
+	     TP_PROTO(struct net_device *netdev,
+		      const struct dpaa2_fd *fd),
+
+	     TP_ARGS(netdev, fd)
+);
+
+/* Tx confirmation fd */
+DEFINE_EVENT(dpaa2_eth_fd, dpaa2_tx_conf_fd,
+	     TP_PROTO(struct net_device *netdev,
+		      const struct dpaa2_fd *fd),
+
+	     TP_ARGS(netdev, fd)
+);
+
+/* Log data about raw buffers. Useful for tracing DPBP content. */
+TRACE_EVENT(dpaa2_eth_buf_seed,
+	    /* Trace function prototype */
+	    TP_PROTO(struct net_device *netdev,
+		     /* virtual address and size */
+		     void *vaddr,
+		     size_t size,
+		     /* dma map address and size */
+		     dma_addr_t dma_addr,
+		     size_t map_size,
+		     /* buffer pool id, if relevant */
+		     u16 bpid),
+
+	    /* Repeat argument list here */
+	    TP_ARGS(netdev, vaddr, size, dma_addr, map_size, bpid),
+
+	    /* A structure containing the relevant information we want
+	     * to record. Declare name and type for each normal element,
+	     * name, type and size for arrays. Use __string for variable
+	     * length strings.
+	     */
+	    TP_STRUCT__entry(
+			     __field(void *, vaddr)
+			     __field(size_t, size)
+			     __field(dma_addr_t, dma_addr)
+			     __field(size_t, map_size)
+			     __field(u16, bpid)
+			     __string(name, netdev->name)
+	    ),
+
+	    /* The function that assigns values to the above declared
+	     * fields
+	     */
+	    TP_fast_assign(
+			   __entry->vaddr = vaddr;
+			   __entry->size = size;
+			   __entry->dma_addr = dma_addr;
+			   __entry->map_size = map_size;
+			   __entry->bpid = bpid;
+			   __assign_str(name, netdev->name);
+	    ),
+
+	    /* This is what gets printed when the trace event is
+	     * triggered.
+	     */
+	    TP_printk(TR_BUF_FMT,
+		      __get_str(name),
+		      __entry->vaddr,
+		      __entry->size,
+		      &__entry->dma_addr,
+		      __entry->map_size,
+		      __entry->bpid)
+);
+
+/* If only one event of a certain type needs to be declared, use TRACE_EVENT().
+ * The syntax is the same as for DECLARE_EVENT_CLASS().
+ */
+
+#endif /* _DPAA2_ETH_TRACE_H */
+
+/* This must be outside ifdef _DPAA2_ETH_TRACE_H */
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH .
+#undef TRACE_INCLUDE_FILE
+#define TRACE_INCLUDE_FILE	dpaa2-eth-trace
+#include <trace/define_trace.h>