diff options
| author | Benjamin Berg <benjamin.berg@intel.com> | 2023-03-01 13:09:27 +0300 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2023-03-07 12:56:06 +0300 |
| commit | 170cd6a66d9a164180eb4dc72d50afa6ce1ce566 (patch) | |
| tree | b81a09d3bfcdcd4a60fe6cbff286d138e72ac2ea /net/mac80211/driver-ops.c | |
| parent | 586100ad85fed0041e203d6006d45e0ec4c5a0b4 (diff) | |
| download | linux-170cd6a66d9a164180eb4dc72d50afa6ce1ce566.tar.xz | |
wifi: mac80211: add netdev per-link debugfs data and driver hook
This adds the infrastructure to have netdev specific per-link data both
for mac80211 and the driver in debugfs. For the driver, a new callback
is added which is only used if MLO is supported.
Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230301115906.fb4c947e4df8.I69b3516ddf4c8a7501b395f652d6063444ecad63@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/driver-ops.c')
| -rw-r--r-- | net/mac80211/driver-ops.c | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/net/mac80211/driver-ops.c b/net/mac80211/driver-ops.c index cfb09e4aed4d..30cd0c905a24 100644 --- a/net/mac80211/driver-ops.c +++ b/net/mac80211/driver-ops.c @@ -8,6 +8,7 @@ #include "trace.h" #include "driver-ops.h" #include "debugfs_sta.h" +#include "debugfs_netdev.h" int drv_start(struct ieee80211_local *local) { @@ -477,6 +478,10 @@ int drv_change_vif_links(struct ieee80211_local *local, u16 old_links, u16 new_links, struct ieee80211_bss_conf *old[IEEE80211_MLD_MAX_NUM_LINKS]) { + struct ieee80211_link_data *link; + unsigned long links_to_add; + unsigned long links_to_rem; + unsigned int link_id; int ret = -EOPNOTSUPP; might_sleep(); @@ -487,13 +492,31 @@ int drv_change_vif_links(struct ieee80211_local *local, if (old_links == new_links) return 0; + links_to_add = ~old_links & new_links; + links_to_rem = old_links & ~new_links; + + for_each_set_bit(link_id, &links_to_rem, IEEE80211_MLD_MAX_NUM_LINKS) { + link = rcu_access_pointer(sdata->link[link_id]); + + ieee80211_link_debugfs_drv_remove(link); + } + trace_drv_change_vif_links(local, sdata, old_links, new_links); if (local->ops->change_vif_links) ret = local->ops->change_vif_links(&local->hw, &sdata->vif, old_links, new_links, old); trace_drv_return_int(local, ret); - return ret; + if (ret) + return ret; + + for_each_set_bit(link_id, &links_to_add, IEEE80211_MLD_MAX_NUM_LINKS) { + link = rcu_access_pointer(sdata->link[link_id]); + + ieee80211_link_debugfs_drv_add(link); + } + + return 0; } int drv_change_sta_links(struct ieee80211_local *local, |