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From 452611d090e456cf7b49bfbb2522df2928452e10 Mon Sep 17 00:00:00 2001
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From: Andrea Claudi <aclaudi@redhat.com>
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Date: Mon, 10 Jun 2019 15:32:55 +0200
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Subject: [PATCH] rdma: Add an option to rename IB device interface
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Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1663228
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Upstream Status: iproute2.git commit 4443c9c6a01ea
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commit 4443c9c6a01eac8c8f2743d4d185ceb9be4d1207
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Author: Leon Romanovsky <leonro@mellanox.com>
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Date: Wed Oct 31 09:17:57 2018 +0200
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rdma: Add an option to rename IB device interface
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Enrich rdmatool with an option to rename IB devices,
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the command interface follows Iproute2 convention:
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"rdma dev set [OLD-DEVNAME] name NEW-DEVNAME"
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Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
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Reviewed-by: Steve Wise <swise@opengridcomputing.com>
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Signed-off-by: David Ahern <dsahern@gmail.com>
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---
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rdma/dev.c | 35 +++++++++++++++++++++++++++++++++++
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1 file changed, 35 insertions(+)
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diff --git a/rdma/dev.c b/rdma/dev.c
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index e2eafe47311b0..760b7fb3bb18f 100644
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--- a/rdma/dev.c
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+++ b/rdma/dev.c
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@@ -14,6 +14,7 @@
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static int dev_help(struct rd *rd)
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{
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pr_out("Usage: %s dev show [DEV]\n", rd->filename);
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+ pr_out(" %s dev set [DEV] name DEVNAME\n", rd->filename);
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return 0;
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}
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@@ -240,17 +241,51 @@ static int dev_one_show(struct rd *rd)
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return rd_exec_cmd(rd, cmds, "parameter");
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}
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+static int dev_set_name(struct rd *rd)
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+{
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+ uint32_t seq;
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+
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+ if (rd_no_arg(rd)) {
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+ pr_err("Please provide device new name.\n");
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+ return -EINVAL;
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+ }
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+
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+ rd_prepare_msg(rd, RDMA_NLDEV_CMD_SET,
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+ &seq, (NLM_F_REQUEST | NLM_F_ACK));
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+ mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_DEV_INDEX, rd->dev_idx);
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+ mnl_attr_put_strz(rd->nlh, RDMA_NLDEV_ATTR_DEV_NAME, rd_argv(rd));
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+
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+ return rd_send_msg(rd);
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+}
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+
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+static int dev_one_set(struct rd *rd)
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+{
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+ const struct rd_cmd cmds[] = {
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+ { NULL, dev_help},
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+ { "name", dev_set_name},
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+ { 0 }
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+ };
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+
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+ return rd_exec_cmd(rd, cmds, "parameter");
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+}
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+
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static int dev_show(struct rd *rd)
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{
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return rd_exec_dev(rd, dev_one_show);
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}
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+static int dev_set(struct rd *rd)
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+{
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+ return rd_exec_require_dev(rd, dev_one_set);
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+}
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+
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int cmd_dev(struct rd *rd)
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{
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const struct rd_cmd cmds[] = {
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{ NULL, dev_show },
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{ "show", dev_show },
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{ "list", dev_show },
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+ { "set", dev_set },
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{ "help", dev_help },
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{ 0 }
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};
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--
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2.20.1
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