[RFC PATCH v2 4/8] ratp: implement ping as a standard ratp command

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Signed-off-by: Aleksander Morgado <aleksander@xxxxxxxxxxxxx>
---
 common/ratp/Makefile |  1 +
 common/ratp/ping.c   | 40 ++++++++++++++++++++++++++++++++++++++++
 common/ratp/ratp.c   | 24 ------------------------
 3 files changed, 41 insertions(+), 24 deletions(-)
 create mode 100644 common/ratp/ping.c

diff --git a/common/ratp/Makefile b/common/ratp/Makefile
index cab14c6fb..acad61ee5 100644
--- a/common/ratp/Makefile
+++ b/common/ratp/Makefile
@@ -1 +1,2 @@
 obj-y += ratp.o
+obj-y += ping.o
diff --git a/common/ratp/ping.c b/common/ratp/ping.c
new file mode 100644
index 000000000..cc29ea36c
--- /dev/null
+++ b/common/ratp/ping.c
@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2018 Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>, Pengutronix
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+/*
+ * RATP ping
+ */
+
+#include <common.h>
+#include <ratp_bb.h>
+#include <malloc.h>
+
+static int ratp_cmd_ping(const struct ratp_bb *req, int req_len,
+			 struct ratp_bb **rsp, int *rsp_len)
+{
+	/* Just build response */
+	*rsp_len = sizeof(struct ratp_bb);
+	*rsp = xzalloc(*rsp_len);
+	(*rsp)->type = cpu_to_be16(BB_RATP_TYPE_PONG);
+	return 0;
+}
+
+BAREBOX_RATP_CMD_START(PING)
+	.request_id = BB_RATP_TYPE_PING,
+	.response_id = BB_RATP_TYPE_PONG,
+	.cmd = ratp_cmd_ping
+BAREBOX_RATP_CMD_END
diff --git a/common/ratp/ratp.c b/common/ratp/ratp.c
index 7c8a2f6f5..965c67a0a 100644
--- a/common/ratp/ratp.c
+++ b/common/ratp/ratp.c
@@ -189,25 +189,6 @@ static int ratp_bb_send_command_return(struct ratp_ctx *ctx, uint32_t errno)
 	return ret;
 }

-static int ratp_bb_send_pong(struct ratp_ctx *ctx)
-{
-	void *buf;
-	struct ratp_bb *rbb;
-	int len = sizeof(*rbb);
-	int ret;
-
-	buf = xzalloc(len);
-	rbb = buf;
-
-	rbb->type = cpu_to_be16(BB_RATP_TYPE_PONG);
-
-	ret = ratp_send(&ctx->ratp, buf, len);
-
-	free(buf);
-
-	return ret;
-}
-
 static int ratp_bb_send_getenv_return(struct ratp_ctx *ctx, const char *val)
 {
 	void *buf;
@@ -270,7 +251,6 @@ static int ratp_bb_dispatch(struct ratp_ctx *ctx, const void *buf, int len)
 		break;

 	case BB_RATP_TYPE_COMMAND_RETURN:
-	case BB_RATP_TYPE_PONG:
 		break;

 	case BB_RATP_TYPE_CONSOLEMSG:
@@ -280,10 +260,6 @@ static int ratp_bb_dispatch(struct ratp_ctx *ctx, const void *buf, int len)
 		kfifo_put(ctx->console_recv_fifo, rbb->data, dlen);
 		break;

-	case BB_RATP_TYPE_PING:
-		ret = ratp_bb_send_pong(ctx);
-		break;
-
 	case BB_RATP_TYPE_GETENV:
 		varname = xmemdup_add_zero(&rbb->data, dlen);

--
2.15.1

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