change wifi driver to cypress

hc

2024-01-05 071106ecf68c401173c58808b1cf5f68cc50d390

 kernel/include/linux/sunrpc/svc_rdma.h
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@@ -42,15 +42,17 @@
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 #ifndef SVC_RDMA_H
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 #define SVC_RDMA_H
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+#include <linux/llist.h>
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 #include <linux/sunrpc/xdr.h>
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 #include <linux/sunrpc/svcsock.h>
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 #include <linux/sunrpc/rpc_rdma.h>
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+#include <linux/sunrpc/rpc_rdma_cid.h>
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 #include <rdma/ib_verbs.h>
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 #include <rdma/rdma_cm.h>
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-#define SVCRDMA_DEBUG
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 /* Default and maximum inline threshold sizes */
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 enum {
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+	RPCRDMA_PULLUP_THRESH = RPCRDMA_V1_DEF_INLINE_SIZE >> 1,
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 	RPCRDMA_DEF_INLINE_THRESH = 4096,
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 	RPCRDMA_MAX_INLINE_THRESH = 65536
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 };
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@@ -107,40 +109,54 @@
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 	struct list_head     sc_read_complete_q;
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 	struct work_struct   sc_work;
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-	spinlock_t	     sc_recv_lock;
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-	struct list_head     sc_recv_ctxts;
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+	struct llist_head    sc_recv_ctxts;
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+
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+	atomic_t	     sc_completion_ids;
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 };
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 /* sc_flags */
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 #define RDMAXPRT_CONN_PENDING	3
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-#define RPCRDMA_LISTEN_BACKLOG  10
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-#define RPCRDMA_MAX_REQUESTS    32
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-
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-/* Typical ULP usage of BC requests is NFSv4.1 backchannel. Our
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- * current NFSv4.1 implementation supports one backchannel slot.
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+/*
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+ * Default connection parameters
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  */
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-#define RPCRDMA_MAX_BC_REQUESTS	2
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+enum {
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+	RPCRDMA_LISTEN_BACKLOG	= 10,
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+	RPCRDMA_MAX_REQUESTS	= 64,
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+	RPCRDMA_MAX_BC_REQUESTS	= 2,
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+};
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 #define RPCSVC_MAXPAYLOAD_RDMA	RPCSVC_MAXPAYLOAD
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 struct svc_rdma_recv_ctxt {
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+	struct llist_node	rc_node;
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 	struct list_head	rc_list;
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 	struct ib_recv_wr	rc_recv_wr;
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 	struct ib_cqe		rc_cqe;
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+	struct rpc_rdma_cid	rc_cid;
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 	struct ib_sge		rc_recv_sge;
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 	void			*rc_recv_buf;
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 	struct xdr_buf		rc_arg;
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+	struct xdr_stream	rc_stream;
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 	bool			rc_temp;
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 	u32			rc_byte_len;
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 	unsigned int		rc_page_count;
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 	unsigned int		rc_hdr_count;
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+	u32			rc_inv_rkey;
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+	__be32			*rc_write_list;
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+	__be32			*rc_reply_chunk;
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+	unsigned int		rc_read_payload_offset;
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+	unsigned int		rc_read_payload_length;
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 	struct page		*rc_pages[RPCSVC_MAXPAGES];
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 };
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 struct svc_rdma_send_ctxt {
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 	struct list_head	sc_list;
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+	struct rpc_rdma_cid	sc_cid;
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+
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 	struct ib_send_wr	sc_send_wr;
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 	struct ib_cqe		sc_cqe;
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+	struct xdr_buf		sc_hdrbuf;
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+	struct xdr_stream	sc_stream;
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 	void			*sc_xprt_buf;
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 	int			sc_page_count;
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 	int			sc_cur_sge_no;
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@@ -149,9 +165,8 @@
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 };
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 /* svc_rdma_backchannel.c */
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-extern int svc_rdma_handle_bc_reply(struct rpc_xprt *xprt,
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-				    __be32 *rdma_resp,
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-				    struct xdr_buf *rcvbuf);
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+extern void svc_rdma_handle_bc_reply(struct svc_rqst *rqstp,
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+				     struct svc_rdma_recv_ctxt *rctxt);
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 /* svc_rdma_recvfrom.c */
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 extern void svc_rdma_recv_ctxts_destroy(struct svcxprt_rdma *rdma);
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@@ -168,9 +183,11 @@
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 				    struct svc_rqst *rqstp,
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 				    struct svc_rdma_recv_ctxt *head, __be32 *p);
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 extern int svc_rdma_send_write_chunk(struct svcxprt_rdma *rdma,
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-				     __be32 *wr_ch, struct xdr_buf *xdr);
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+				     __be32 *wr_ch, struct xdr_buf *xdr,
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+				     unsigned int offset,
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+				     unsigned long length);
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 extern int svc_rdma_send_reply_chunk(struct svcxprt_rdma *rdma,
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-				     __be32 *rp_ch, bool writelist,
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+				     const struct svc_rdma_recv_ctxt *rctxt,
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 				     struct xdr_buf *xdr);
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 /* svc_rdma_sendto.c */
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@@ -179,28 +196,27 @@
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 		svc_rdma_send_ctxt_get(struct svcxprt_rdma *rdma);
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 extern void svc_rdma_send_ctxt_put(struct svcxprt_rdma *rdma,
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 				   struct svc_rdma_send_ctxt *ctxt);
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-extern int svc_rdma_send(struct svcxprt_rdma *rdma, struct ib_send_wr *wr);
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-extern void svc_rdma_sync_reply_hdr(struct svcxprt_rdma *rdma,
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-				    struct svc_rdma_send_ctxt *ctxt,
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-				    unsigned int len);
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+extern int svc_rdma_send(struct svcxprt_rdma *rdma,
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+			 struct svc_rdma_send_ctxt *ctxt);
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 extern int svc_rdma_map_reply_msg(struct svcxprt_rdma *rdma,
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-				  struct svc_rdma_send_ctxt *ctxt,
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-				  struct xdr_buf *xdr, __be32 *wr_lst);
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+				  struct svc_rdma_send_ctxt *sctxt,
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+				  const struct svc_rdma_recv_ctxt *rctxt,
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+				  struct xdr_buf *xdr);
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+extern void svc_rdma_send_error_msg(struct svcxprt_rdma *rdma,
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+				    struct svc_rdma_send_ctxt *sctxt,
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+				    struct svc_rdma_recv_ctxt *rctxt,
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+				    int status);
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 extern int svc_rdma_sendto(struct svc_rqst *);
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+extern int svc_rdma_read_payload(struct svc_rqst *rqstp, unsigned int offset,
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+				 unsigned int length);
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 /* svc_rdma_transport.c */
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-extern int svc_rdma_create_listen(struct svc_serv *, int, struct sockaddr *);
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-extern void svc_sq_reap(struct svcxprt_rdma *);
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-extern void svc_rq_reap(struct svcxprt_rdma *);
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-extern void svc_rdma_prep_reply_hdr(struct svc_rqst *);
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-
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 extern struct svc_xprt_class svc_rdma_class;
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 #ifdef CONFIG_SUNRPC_BACKCHANNEL
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 extern struct svc_xprt_class svc_rdma_bc_class;
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 #endif
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 /* svc_rdma.c */
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-extern struct workqueue_struct *svc_rdma_wq;
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 extern int svc_rdma_init(void);
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 extern void svc_rdma_cleanup(void);
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