netdev - [PATCH iproute2-next 10/10] rdma: Move link execution logic to common code

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Date:   Wed, 27 Dec 2017 09:57:59 +0200
From:   Leon Romanovsky <leon@...nel.org>
To:     David Ahern <dsahern@...il.com>
Cc:     Leon Romanovsky <leonro@...lanox.com>,
        netdev <netdev@...r.kernel.org>,
        Stephen Hemminger <stephen@...workplumber.org>
Subject: [PATCH iproute2-next 10/10] rdma: Move link execution logic to common code

From: Leon Romanovsky <leonro@...lanox.com>

Signed-off-by: Leon Romanovsky <leonro@...lanox.com>
---
 rdma/link.c  | 46 +---------------------------------------------
 rdma/rdma.h  |  1 +
 rdma/utils.c | 49 +++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 51 insertions(+), 45 deletions(-)

diff --git a/rdma/link.c b/rdma/link.c
index d9392289..676cb21d 100644
--- a/rdma/link.c
+++ b/rdma/link.c
@@ -285,51 +285,7 @@ static int link_one_show(struct rd *rd)
 
 static int link_show(struct rd *rd)
 {
-	struct dev_map *dev_map;
-	uint32_t port;
-	int ret = 0;
-
-	if (rd->json_output)
-		jsonw_start_array(rd->jw);
-	if (rd_no_arg(rd)) {
-		list_for_each_entry(dev_map, &rd->dev_map_list, list) {
-			rd->dev_idx = dev_map->idx;
-			for (port = 1; port < dev_map->num_ports + 1; port++) {
-				rd->port_idx = port;
-				ret = link_one_show(rd);
-				if (ret)
-					goto out;
-			}
-		}
-
-	} else {
-		dev_map = dev_map_lookup(rd, true);
-		port = get_port_from_argv(rd);
-		if (!dev_map || port > dev_map->num_ports) {
-			pr_err("Wrong device name\n");
-			ret = -ENOENT;
-			goto out;
-		}
-		rd_arg_inc(rd);
-		rd->dev_idx = dev_map->idx;
-		rd->port_idx = port ? : 1;
-		for (; rd->port_idx < dev_map->num_ports + 1; rd->port_idx++) {
-			ret = link_one_show(rd);
-			if (ret)
-				goto out;
-			if (port)
-				/*
-				 * We got request to show link for devname
-				 * with port index.
-				 */
-				break;
-		}
-	}
-
-out:
-	if (rd->json_output)
-		jsonw_end_array(rd->jw);
-	return ret;
+	return rd_exec_link(rd, link_one_show);
 }
 
 int cmd_link(struct rd *rd)
diff --git a/rdma/rdma.h b/rdma/rdma.h
index afc0e413..8d53d3a0 100644
--- a/rdma/rdma.h
+++ b/rdma/rdma.h
@@ -73,6 +73,7 @@ int cmd_dev(struct rd *rd);
 int cmd_link(struct rd *rd);
 int rd_exec_cmd(struct rd *rd, const struct rd_cmd *c, const char *str);
 int rd_exec_dev(struct rd *rd, int (*cb)(struct rd *rd));
+int rd_exec_link(struct rd *rd, int (*cb)(struct rd *rd));
 void rd_free(struct rd *rd);
 
 /*
diff --git a/rdma/utils.c b/rdma/utils.c
index d7284801..7b2001e2 100644
--- a/rdma/utils.c
+++ b/rdma/utils.c
@@ -152,6 +152,55 @@ void rd_free(struct rd *rd)
 	dev_map_cleanup(rd);
 }
 
+int rd_exec_link(struct rd *rd, int (*cb)(struct rd *rd))
+{
+	struct dev_map *dev_map;
+	uint32_t port;
+	int ret = 0;
+
+	if (rd->json_output)
+		jsonw_start_array(rd->jw);
+	if (rd_no_arg(rd)) {
+		list_for_each_entry(dev_map, &rd->dev_map_list, list) {
+			rd->dev_idx = dev_map->idx;
+			for (port = 1; port < dev_map->num_ports + 1; port++) {
+				rd->port_idx = port;
+				ret = cb(rd);
+				if (ret)
+					goto out;
+			}
+		}
+
+	} else {
+		dev_map = dev_map_lookup(rd, true);
+		port = get_port_from_argv(rd);
+		if (!dev_map || port > dev_map->num_ports) {
+			pr_err("Wrong device name\n");
+			ret = -ENOENT;
+			goto out;
+		}
+		rd_arg_inc(rd);
+		rd->dev_idx = dev_map->idx;
+		rd->port_idx = port ? : 1;
+		for (; rd->port_idx < dev_map->num_ports + 1; rd->port_idx++) {
+			ret = cb(rd);
+			if (ret)
+				goto out;
+			if (port)
+				/*
+				 * We got request to show link for devname
+				 * with port index.
+				 */
+				break;
+		}
+	}
+
+out:
+	if (rd->json_output)
+		jsonw_end_array(rd->jw);
+	return ret;
+}
+
 int rd_exec_dev(struct rd *rd, int (*cb)(struct rd *rd))
 {
 	struct dev_map *dev_map;
-- 
2.15.1