Karthikeyan Periyasamy <periyasa@xxxxxxxxxxxxxx> wrote: > In multi AP VAP scenario, when user bring down the interfaces. mac80211 mark > the interface down for the duplicated VAP and removed from the > local->interfaces list. ath11k_mac_get_arvif() is dependent on > ieee80211_iterate_active_interfaces_atomic() API to find the vdev id > in a given radio. In disassociation path, ath11k_mac_get_arvif() not > able to find the given vdev id since that VAP is removed from the > local->interfaces list. since sta_state callback throws error, mac80211 log > the below WARN_ON_ONCE message. > > Fixed it by storing the allocated_vdev_map in each radio structure to maintain > the created vdev id bits. so that we can directly mask this against the given > vdev_id to find out the ar from the vdev_id. > > WARN LOG: > > WARNING: at net/mac80211/sta_info.c:1008 > CPU: 2 PID: 2135 Comm: hostapd Not tainted #1 > Hardware name: Qualcomm Technologies, Inc. IPQ807x/AP-HK01-C1 (DT) > task: ffffffc03a43d800 ti: ffffffc03a43d800 task.ti: ffffffc03a43d800 > PC is at sta_set_sinfo+0x9dc/0xad4 [mac80211] > LR is at sta_set_sinfo+0x9cc/0xad4 [mac80211] > pc : [<ffffffbffce2a008>] lr : [<ffffffbffce29ff8>] pstate: 20000145 > sp : ffffffc02cedb5f0 > x29: ffffffc02cedb5f0 x28: ffffffc03a43d800 > x27: 0000000000000014 x26: 0000000000000001 > x25: ffffffc02cfc4000 x24: ffffffc036905508 > x23: 0000000000000012 x22: ffffffc02cedb670 > x21: ffffffc03bc64880 x20: ffffffc036904f80 > x19: ffffffc02ae31000 x18: 00000000b019f3a1 > x17: 0000000057f30331 x16: 00000000d8d1998e > x15: 0000000000000066 x14: 393a35383a36343a > x13: 6337203a6e6f6974 x12: 6174732065746169 > x11: 636f737361736964 x10: 206f742064656c69 > x9 : 6146203a31696669 x8 : 6337203a6e6f6974 > x7 : 6174732065746169 x6 : ffffffc0008c33f6 > x5 : 0000000000000000 x4 : 0000000000000000 > x3 : 0000000000000000 x2 : 00000000ffffff92 > x1 : 0000000000000000 x0 : ffffffbffcea1091 > ---[ end trace 63c4b1c527345d5a ]--- > Call trace: > [<ffffffbffce2a008>] sta_set_sinfo+0x9dc/0xad4 [mac80211] > [<ffffffbffce2a2c4>] __sta_info_flush+0xec/0x130 [mac80211] > [<ffffffbffce3dc48>] ieee80211_nan_func_match+0x1a34/0x23e4 [mac80211] > [<ffffffbffcde03e0>] __cfg80211_stop_ap+0x60/0xf0 [cfg80211] > [<ffffffbffcdb6d08>] __cfg80211_leave+0x110/0x150 [cfg80211] > [<ffffffbffcdb6d78>] cfg80211_leave+0x30/0x48 [cfg80211] > [<ffffffbffcdb6fbc>] cfg80211_init_wdev+0x22c/0x808 [cfg80211] > [<ffffffc0000afe28>] notifier_call_chain+0x50/0x84 > [<ffffffc0000afefc>] raw_notifier_call_chain+0x14/0x1c > [<ffffffc0004ae94c>] call_netdevice_notifiers_info+0x5c/0x6c > [<ffffffc0004ae96c>] call_netdevice_notifiers+0x10/0x18 > [<ffffffc0004aea80>] __dev_close_many+0x54/0xc0 > [<ffffffc0004aeb50>] dev_close_many+0x64/0xdc > [<ffffffc0004b0b70>] rollback_registered_many+0x138/0x2f4 > [<ffffffc0004b0d4c>] rollback_registered+0x20/0x34 > [<ffffffc0004b34b4>] unregister_netdevice_queue+0x68/0xa8 > [<ffffffbffce3870c>] ieee80211_if_remove+0x84/0xc0 [mac80211] > [<ffffffbffce3e588>] ieee80211_nan_func_match+0x2374/0x23e4 [mac80211] > [<ffffffbffcdc29e8>] cfg80211_wext_giwscan+0x1000/0x1140 [cfg80211] > [<ffffffbffcb2a87c>] backport_genlmsg_multicast_allns+0x158/0x1b4 [compat] > [<ffffffc0004e0944>] genl_family_rcv_msg+0x258/0x2c0 > [<ffffffc0004e09f4>] genl_rcv_msg+0x48/0x6c > [<ffffffc0004dfb50>] netlink_rcv_skb+0x5c/0xc4 > [<ffffffc0004e06d8>] genl_rcv+0x34/0x48 > [<ffffffc0004df570>] netlink_unicast+0x12c/0x1e0 > [<ffffffc0004df9a4>] netlink_sendmsg+0x2bc/0x2dc > [<ffffffc00049a540>] sock_sendmsg+0x18/0x2c > [<ffffffc00049ab94>] ___sys_sendmsg+0x1bc/0x248 > [<ffffffc00049ba24>] __sys_sendmsg+0x40/0x68 > [<ffffffc00049ba5c>] SyS_sendmsg+0x10/0x20 > [<ffffffc000085db0>] el0_svc_naked+0x24/0x28 > > Signed-off-by: Karthikeyan Periyasamy <periyasa@xxxxxxxxxxxxxx> > Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxxxxxx> Patch applied to ath-next branch of ath.git, thanks. 79c080dbe35b ath11k: fix warn-on in disassociation -- https://patchwork.kernel.org/patch/11365673/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
