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wifi: mac80211: Add link iteration macro for link data

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[ Upstream commit f61c7b3d442bef91dd432d468d08f72eadcc3209 ]

Currently before iterating through valid links we are utilizing
open-coding when checking if vif valid_links is a non-zero value.

Add new macro, for_each_link_data(), which iterates through link_id
and checks if it is set on vif valid_links. If it is a valid link then
access link data for that link id.

Signed-off-by: Muna Sinada <muna.sinada@oss.qualcomm.com>
Link: https://patch.msgid.link/20250325213125.1509362-2-muna.sinada@oss.qualcomm.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Stable-dep-of: d87c3ca0f8f1 ("wifi: mac80211: finish link init before RCU publish")
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Muna Sinada
2025-03-25 14:31:23 -07:00
committed by Greg Kroah-Hartman
parent 32d0b58079
commit ebca4264c6
1 changed files with 9 additions and 0 deletions
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9
net/mac80211/ieee80211_i.h
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@@ -1186,6 +1186,15 @@ ieee80211_vif_get_shift(struct ieee80211_vif *vif)
return shift;
}
#define for_each_link_data(sdata, __link) \
struct ieee80211_sub_if_data *__sdata = sdata; \
for (int __link_id = 0; \
__link_id < ARRAY_SIZE((__sdata)->link); __link_id++) \
if ((!(__sdata)->vif.valid_links || \
(__sdata)->vif.valid_links & BIT(__link_id)) && \
((__link) = sdata_dereference((__sdata)->link[__link_id], \
(__sdata))))
static inline int
ieee80211_get_mbssid_beacon_len(struct cfg80211_mbssid_elems *elems,
struct cfg80211_rnr_elems *rnr_elems,