developer | 0415fc3 | 2024-04-19 18:29:00 +0800 | [diff] [blame^] | 1 | From 71be2e718dc884fb35433338dc21d6547b237819 Mon Sep 17 00:00:00 2001 |
| 2 | From: Yi-Chia Hsieh <yi-chia.hsieh@mediatek.com> |
| 3 | Date: Mon, 13 Mar 2023 05:23:37 +0800 |
| 4 | Subject: [PATCH 16/61] mtk: mac80211: track obss color bitmap |
| 5 | |
| 6 | Track OBSS BSS color when receive their beacon. |
| 7 | |
| 8 | Adding 2 tracepoint for debug, usage: |
| 9 | echo 1 > /sys/kernel/debug/tracing/events/mac80211/bss_color_bitmap/enable |
| 10 | echo 1 > /sys/kernel/debug/tracing/events/mac80211/bss_color_collision/enable |
| 11 | |
| 12 | Change-Id: I24ebcc3181c05476b41107ce8fe7f3d4c8907e81 |
| 13 | --- |
| 14 | include/net/mac80211.h | 1 + |
| 15 | net/mac80211/rx.c | 6 +++++- |
| 16 | net/mac80211/trace.h | 22 ++++++++++++++++++++++ |
| 17 | 3 files changed, 28 insertions(+), 1 deletion(-) |
| 18 | |
| 19 | diff --git a/include/net/mac80211.h b/include/net/mac80211.h |
| 20 | index 01cfcc0..965a026 100644 |
| 21 | --- a/include/net/mac80211.h |
| 22 | +++ b/include/net/mac80211.h |
| 23 | @@ -762,6 +762,7 @@ struct ieee80211_bss_conf { |
| 24 | } he_oper; |
| 25 | struct ieee80211_he_obss_pd he_obss_pd; |
| 26 | struct cfg80211_he_bss_color he_bss_color; |
| 27 | + u64 used_color_bitmap; |
| 28 | struct ieee80211_fils_discovery fils_discovery; |
| 29 | u32 unsol_bcast_probe_resp_interval; |
| 30 | struct cfg80211_bitrate_mask beacon_tx_rate; |
| 31 | diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c |
| 32 | index 89a1199..65982a6 100644 |
| 33 | --- a/net/mac80211/rx.c |
| 34 | +++ b/net/mac80211/rx.c |
| 35 | @@ -3395,9 +3395,13 @@ ieee80211_rx_check_bss_color_collision(struct ieee80211_rx_data *rx) |
| 36 | |
| 37 | color = le32_get_bits(he_oper->he_oper_params, |
| 38 | IEEE80211_HE_OPERATION_BSS_COLOR_MASK); |
| 39 | + |
| 40 | + bss_conf->used_color_bitmap |= BIT_ULL(color); |
| 41 | + |
| 42 | + // trace_bss_color_bitmap(color, bss_conf->used_color_bitmap); |
| 43 | if (color == bss_conf->he_bss_color.color) |
| 44 | ieee80211_obss_color_collision_notify(&rx->sdata->vif, |
| 45 | - BIT_ULL(color)); |
| 46 | + bss_conf->used_color_bitmap); |
| 47 | } |
| 48 | } |
| 49 | |
| 50 | diff --git a/net/mac80211/trace.h b/net/mac80211/trace.h |
| 51 | index 8e758b5..9ec45ce 100644 |
| 52 | --- a/net/mac80211/trace.h |
| 53 | +++ b/net/mac80211/trace.h |
| 54 | @@ -3145,6 +3145,28 @@ TRACE_EVENT(drv_neg_ttlm_res, |
| 55 | LOCAL_PR_ARG, VIF_PR_ARG, __entry->res |
| 56 | ) |
| 57 | ); |
| 58 | + |
| 59 | +TRACE_EVENT(bss_color_bitmap, |
| 60 | + TP_PROTO(u8 color, |
| 61 | + u64 color_bitmap), |
| 62 | + |
| 63 | + TP_ARGS(color, color_bitmap), |
| 64 | + |
| 65 | + TP_STRUCT__entry( |
| 66 | + __field(u8, color) |
| 67 | + __field(u64, color_bitmap) |
| 68 | + ), |
| 69 | + |
| 70 | + TP_fast_assign( |
| 71 | + __entry->color = color; |
| 72 | + __entry->color_bitmap = color_bitmap; |
| 73 | + ), |
| 74 | + |
| 75 | + TP_printk( |
| 76 | + "color=%u color_bitmap=0x%llx", __entry->color, __entry->color_bitmap |
| 77 | + ) |
| 78 | +); |
| 79 | + |
| 80 | #endif /* !__MAC80211_DRIVER_TRACE || TRACE_HEADER_MULTI_READ */ |
| 81 | |
| 82 | #undef TRACE_INCLUDE_PATH |
| 83 | -- |
| 84 | 2.39.2 |
| 85 | |