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Date: Thu, 05 Oct 2023 09:10:38 -0400
From: Chuck Lever <cel@...nel.org>
To: kuba@...nel.org
Cc: Chuck Lever <chuck.lever@...cle.com>, netdev@...r.kernel.org,
linux-nfs@...r.kernel.org
Subject: [PATCH RFC] tools: ynl: Add source files for nfsd netlink protocol
From: Chuck Lever <chuck.lever@...cle.com>
Signed-off-by: Chuck Lever <chuck.lever@...cle.com>
---
tools/net/ynl/generated/Makefile | 2 -
tools/net/ynl/generated/nfsd-user.c | 95 +++++++++++++++++++++++++++++++++++
tools/net/ynl/generated/nfsd-user.h | 33 ++++++++++++
3 files changed, 129 insertions(+), 1 deletion(-)
create mode 100644 tools/net/ynl/generated/nfsd-user.c
create mode 100644 tools/net/ynl/generated/nfsd-user.h
Hi Jakub-
Should I include this with the nfsd netlink protocol patches already
in nfsd-next, or do you want to take it after those have been merged?
diff --git a/tools/net/ynl/generated/Makefile b/tools/net/ynl/generated/Makefile
index f8817d2e56e4..c1935b01902e 100644
--- a/tools/net/ynl/generated/Makefile
+++ b/tools/net/ynl/generated/Makefile
@@ -14,7 +14,7 @@ YNL_GEN_ARG_ethtool:=--user-header linux/ethtool_netlink.h \
TOOL:=../ynl-gen-c.py
-GENS:=ethtool devlink handshake fou netdev
+GENS:=ethtool devlink handshake fou netdev nfsd
SRCS=$(patsubst %,%-user.c,${GENS})
HDRS=$(patsubst %,%-user.h,${GENS})
OBJS=$(patsubst %,%-user.o,${GENS})
diff --git a/tools/net/ynl/generated/nfsd-user.c b/tools/net/ynl/generated/nfsd-user.c
new file mode 100644
index 000000000000..fec6828680ce
--- /dev/null
+++ b/tools/net/ynl/generated/nfsd-user.c
@@ -0,0 +1,95 @@
+// SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause)
+/* Do not edit directly, auto-generated from: */
+/* Documentation/netlink/specs/nfsd.yaml */
+/* YNL-GEN user source */
+
+#include <stdlib.h>
+#include <string.h>
+#include "nfsd-user.h"
+#include "ynl.h"
+#include <linux/nfsd_netlink.h>
+
+#include <libmnl/libmnl.h>
+#include <linux/genetlink.h>
+
+/* Enums */
+static const char * const nfsd_op_strmap[] = {
+ [NFSD_CMD_RPC_STATUS_GET] = "rpc-status-get",
+};
+
+const char *nfsd_op_str(int op)
+{
+ if (op < 0 || op >= (int)MNL_ARRAY_SIZE(nfsd_op_strmap))
+ return NULL;
+ return nfsd_op_strmap[op];
+}
+
+/* Policies */
+struct ynl_policy_attr nfsd_rpc_status_policy[NFSD_A_RPC_STATUS_MAX + 1] = {
+ [NFSD_A_RPC_STATUS_XID] = { .name = "xid", .type = YNL_PT_U32, },
+ [NFSD_A_RPC_STATUS_FLAGS] = { .name = "flags", .type = YNL_PT_U32, },
+ [NFSD_A_RPC_STATUS_PROG] = { .name = "prog", .type = YNL_PT_U32, },
+ [NFSD_A_RPC_STATUS_VERSION] = { .name = "version", .type = YNL_PT_U8, },
+ [NFSD_A_RPC_STATUS_PROC] = { .name = "proc", .type = YNL_PT_U32, },
+ [NFSD_A_RPC_STATUS_SERVICE_TIME] = { .name = "service_time", .type = YNL_PT_U64, },
+ [NFSD_A_RPC_STATUS_PAD] = { .name = "pad", .type = YNL_PT_IGNORE, },
+ [NFSD_A_RPC_STATUS_SADDR4] = { .name = "saddr4", .type = YNL_PT_U32, },
+ [NFSD_A_RPC_STATUS_DADDR4] = { .name = "daddr4", .type = YNL_PT_U32, },
+ [NFSD_A_RPC_STATUS_SADDR6] = { .name = "saddr6", .type = YNL_PT_BINARY,},
+ [NFSD_A_RPC_STATUS_DADDR6] = { .name = "daddr6", .type = YNL_PT_BINARY,},
+ [NFSD_A_RPC_STATUS_SPORT] = { .name = "sport", .type = YNL_PT_U16, },
+ [NFSD_A_RPC_STATUS_DPORT] = { .name = "dport", .type = YNL_PT_U16, },
+ [NFSD_A_RPC_STATUS_COMPOUND_OPS] = { .name = "compound-ops", .type = YNL_PT_U32, },
+};
+
+struct ynl_policy_nest nfsd_rpc_status_nest = {
+ .max_attr = NFSD_A_RPC_STATUS_MAX,
+ .table = nfsd_rpc_status_policy,
+};
+
+/* Common nested types */
+/* ============== NFSD_CMD_RPC_STATUS_GET ============== */
+/* NFSD_CMD_RPC_STATUS_GET - dump */
+void nfsd_rpc_status_get_list_free(struct nfsd_rpc_status_get_list *rsp)
+{
+ struct nfsd_rpc_status_get_list *next = rsp;
+
+ while ((void *)next != YNL_LIST_END) {
+ rsp = next;
+ next = rsp->next;
+
+ free(rsp->obj.saddr6);
+ free(rsp->obj.daddr6);
+ free(rsp->obj.compound_ops);
+ free(rsp);
+ }
+}
+
+struct nfsd_rpc_status_get_list *nfsd_rpc_status_get_dump(struct ynl_sock *ys)
+{
+ struct ynl_dump_state yds = {};
+ struct nlmsghdr *nlh;
+ int err;
+
+ yds.ys = ys;
+ yds.alloc_sz = sizeof(struct nfsd_rpc_status_get_list);
+ yds.cb = nfsd_rpc_status_get_rsp_parse;
+ yds.rsp_cmd = NFSD_CMD_RPC_STATUS_GET;
+ yds.rsp_policy = &nfsd_rpc_status_nest;
+
+ nlh = ynl_gemsg_start_dump(ys, ys->family_id, NFSD_CMD_RPC_STATUS_GET, 1);
+
+ err = ynl_exec_dump(ys, nlh, &yds);
+ if (err < 0)
+ goto free_list;
+
+ return yds.first;
+
+free_list:
+ nfsd_rpc_status_get_list_free(yds.first);
+ return NULL;
+}
+
+const struct ynl_family ynl_nfsd_family = {
+ .name = "nfsd",
+};
diff --git a/tools/net/ynl/generated/nfsd-user.h b/tools/net/ynl/generated/nfsd-user.h
new file mode 100644
index 000000000000..b6b69501031a
--- /dev/null
+++ b/tools/net/ynl/generated/nfsd-user.h
@@ -0,0 +1,33 @@
+/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */
+/* Do not edit directly, auto-generated from: */
+/* Documentation/netlink/specs/nfsd.yaml */
+/* YNL-GEN user header */
+
+#ifndef _LINUX_NFSD_GEN_H
+#define _LINUX_NFSD_GEN_H
+
+#include <stdlib.h>
+#include <string.h>
+#include <linux/types.h>
+#include <linux/nfsd_netlink.h>
+
+struct ynl_sock;
+
+extern const struct ynl_family ynl_nfsd_family;
+
+/* Enums */
+const char *nfsd_op_str(int op);
+
+/* Common nested types */
+/* ============== NFSD_CMD_RPC_STATUS_GET ============== */
+/* NFSD_CMD_RPC_STATUS_GET - dump */
+struct nfsd_rpc_status_get_list {
+ struct nfsd_rpc_status_get_list *next;
+ struct nfsd_rpc_status_get_rsp obj __attribute__ ((aligned (8)));
+};
+
+void nfsd_rpc_status_get_list_free(struct nfsd_rpc_status_get_list *rsp);
+
+struct nfsd_rpc_status_get_list *nfsd_rpc_status_get_dump(struct ynl_sock *ys);
+
+#endif /* _LINUX_NFSD_GEN_H */
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