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wifi: wext: warn about usage only once

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Warn only once since the ratelimit parameters are still
allowing too many messages to happen. This will no longer
tell you all the different processes, but still gives a
heads-up of sorts.

Also modify the message to note that wext stops working
for future Wi-Fi 7 hardware, this is already implemented
in commit 4ca6902769 ("wifi: wireless: deny wireless
extensions on MLO-capable devices") and is maybe of more
relevance to users than the fact that we'd like to have
wireless extensions deprecated.

The issue with Wi-Fi 7 is that you can now have multiple
connections to the same AP, so a whole bunch of things
now become per link rather than per netdev, which can't
really be handled in wireless extensions.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230224135933.94104aeda1a0.Ie771c6a66d7d6c3cf67da5f3b0c66cea66fd514c@changeid
This commit is contained in:
Johannes Berg 2023-02-24 13:59:34 +01:00 committed by Kalle Valo
parent cf45efcb25
commit 52fd90638a
1 changed files with 2 additions and 2 deletions
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4
net/wireless/wext-core.c
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@ -641,8 +641,8 @@ static void wireless_warn_cfg80211_wext(void)
{
char name[sizeof(current->comm)];
pr_warn_ratelimited("warning: `%s' uses wireless extensions that are deprecated for modern drivers; use nl80211\n",
get_task_comm(name, current));
pr_warn_once("warning: `%s' uses wireless extensions which will stop working for Wi-Fi 7 hardware; use nl80211\n",
get_task_comm(name, current));
}
#endif