From 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:44:59 +0000
Subject: [PATCH] gmac get mac form eeprom
---
kernel/include/linux/sunrpc/rpc_rdma.h | 77 ++++++++++++++++++++++++++++++++++++++
1 files changed, 76 insertions(+), 1 deletions(-)
diff --git a/kernel/include/linux/sunrpc/rpc_rdma.h b/kernel/include/linux/sunrpc/rpc_rdma.h
index 92d182f..4af31bb 100644
--- a/kernel/include/linux/sunrpc/rpc_rdma.h
+++ b/kernel/include/linux/sunrpc/rpc_rdma.h
@@ -58,7 +58,8 @@
enum {
rpcrdma_fixed_maxsz = 4,
rpcrdma_segment_maxsz = 4,
- rpcrdma_readchunk_maxsz = 2 + rpcrdma_segment_maxsz,
+ rpcrdma_readseg_maxsz = 1 + rpcrdma_segment_maxsz,
+ rpcrdma_readchunk_maxsz = 1 + rpcrdma_readseg_maxsz,
};
/*
@@ -123,4 +124,78 @@
return ((unsigned int)val + 1) << 10;
}
+/**
+ * xdr_encode_rdma_segment - Encode contents of an RDMA segment
+ * @p: Pointer into a send buffer
+ * @handle: The RDMA handle to encode
+ * @length: The RDMA length to encode
+ * @offset: The RDMA offset to encode
+ *
+ * Return value:
+ * Pointer to the XDR position that follows the encoded RDMA segment
+ */
+static inline __be32 *xdr_encode_rdma_segment(__be32 *p, u32 handle,
+ u32 length, u64 offset)
+{
+ *p++ = cpu_to_be32(handle);
+ *p++ = cpu_to_be32(length);
+ return xdr_encode_hyper(p, offset);
+}
+
+/**
+ * xdr_encode_read_segment - Encode contents of a Read segment
+ * @p: Pointer into a send buffer
+ * @position: The position to encode
+ * @handle: The RDMA handle to encode
+ * @length: The RDMA length to encode
+ * @offset: The RDMA offset to encode
+ *
+ * Return value:
+ * Pointer to the XDR position that follows the encoded Read segment
+ */
+static inline __be32 *xdr_encode_read_segment(__be32 *p, u32 position,
+ u32 handle, u32 length,
+ u64 offset)
+{
+ *p++ = cpu_to_be32(position);
+ return xdr_encode_rdma_segment(p, handle, length, offset);
+}
+
+/**
+ * xdr_decode_rdma_segment - Decode contents of an RDMA segment
+ * @p: Pointer to the undecoded RDMA segment
+ * @handle: Upon return, the RDMA handle
+ * @length: Upon return, the RDMA length
+ * @offset: Upon return, the RDMA offset
+ *
+ * Return value:
+ * Pointer to the XDR item that follows the RDMA segment
+ */
+static inline __be32 *xdr_decode_rdma_segment(__be32 *p, u32 *handle,
+ u32 *length, u64 *offset)
+{
+ *handle = be32_to_cpup(p++);
+ *length = be32_to_cpup(p++);
+ return xdr_decode_hyper(p, offset);
+}
+
+/**
+ * xdr_decode_read_segment - Decode contents of a Read segment
+ * @p: Pointer to the undecoded Read segment
+ * @position: Upon return, the segment's position
+ * @handle: Upon return, the RDMA handle
+ * @length: Upon return, the RDMA length
+ * @offset: Upon return, the RDMA offset
+ *
+ * Return value:
+ * Pointer to the XDR item that follows the Read segment
+ */
+static inline __be32 *xdr_decode_read_segment(__be32 *p, u32 *position,
+ u32 *handle, u32 *length,
+ u64 *offset)
+{
+ *position = be32_to_cpup(p++);
+ return xdr_decode_rdma_segment(p, handle, length, offset);
+}
+
#endif /* _LINUX_SUNRPC_RPC_RDMA_H */
--
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