netdev - [RFC ethtool 1/2] ethtool: add has_input in struct cmdline

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Date:   Tue, 15 Mar 2022 11:18:33 +0800
From:   Jie Wang <wangjie125@...wei.com>
To:     <mkubecek@...e.cz>, <davem@...emloft.net>, <kuba@...nel.org>,
        <wangjie125@...wei.com>
CC:     <netdev@...r.kernel.org>, <huangguangbin2@...wei.com>,
        <lipeng321@...wei.com>, <shenjian15@...wei.com>,
        <moyufeng@...wei.com>, <linyunsheng@...wei.com>,
        <tanhuazhong@...wei.com>, <salil.mehta@...wei.com>,
        <chenhao288@...ilicon.com>
Subject: [RFC ethtool 1/2] ethtool: add has_input in struct cmdline_info to record cmdline params

In driver feature configuration scene, ethtool need to record the config
combination. So this patch add has_input to mark the features to be
configured.

Signed-off-by: Jie Wang <wangjie125@...wei.com>
---
 ethtool.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/ethtool.c b/ethtool.c
index 5d718a2..e2b4e17 100644
--- a/ethtool.c
+++ b/ethtool.c
@@ -111,6 +111,8 @@ struct cmdline_info {
 	 * For anything else, points to int and is set if the option is
 	 * seen. */
 	void *seen_val;
+	/* indicate current input has this item */
+	u32 has_input;
 };
 
 struct feature_def {
@@ -244,6 +246,7 @@ static void parse_generic_cmdline(struct cmd_context *ctx,
 			if (!strcmp(info[idx].name, argp[i])) {
 				found = 1;
 				*changed = 1;
+				info[idx].has_input = 1;
 				if (info[idx].type != CMDL_FLAG &&
 				    info[idx].seen_val)
 					*(int *)info[idx].seen_val = 1;
-- 
2.33.0