2020-05-18 12:04:30

by Felix Fietkau

[permalink] [raw]
Subject: [PATCH] mt76: mt7915: fix decoded radiotap HE flags

From: Ryder Lee <[email protected]>

Move assignment of .data1 and .data2 to a single place and fix overwriting
of values from the template

Signed-off-by: Ryder Lee <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
---
.../net/wireless/mediatek/mt76/mt7915/mac.c | 23 +++++++++----------
1 file changed, 11 insertions(+), 12 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
index 7ad7c2b7afdc..bf96b389c813 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
@@ -235,9 +235,14 @@ mt7915_mac_decode_he_radiotap(struct sk_buff *skb,
.data1 = HE_BITS(DATA1_DATA_MCS_KNOWN) |
HE_BITS(DATA1_DATA_DCM_KNOWN) |
HE_BITS(DATA1_STBC_KNOWN) |
- HE_BITS(DATA1_CODING_KNOWN),
+ HE_BITS(DATA1_CODING_KNOWN) |
+ HE_BITS(DATA1_LDPC_XSYMSEG_KNOWN) |
+ HE_BITS(DATA1_DOPPLER_KNOWN) |
+ HE_BITS(DATA1_BSS_COLOR_KNOWN),
.data2 = HE_BITS(DATA2_GI_KNOWN) |
- HE_BITS(DATA2_TXBF_KNOWN),
+ HE_BITS(DATA2_TXBF_KNOWN) |
+ HE_BITS(DATA2_PE_DISAMBIG_KNOWN) |
+ HE_BITS(DATA2_TXOP_KNOWN),
};
struct ieee80211_radiotap_he *he = NULL;
__le32 v2 = rxv->v[2];
@@ -248,12 +253,6 @@ mt7915_mac_decode_he_radiotap(struct sk_buff *skb,
he = skb_push(skb, sizeof(known));
memcpy(he, &known, sizeof(known));

- he->data1 = HE_BITS(DATA1_LDPC_XSYMSEG_KNOWN) |
- HE_BITS(DATA1_DOPPLER_KNOWN) |
- HE_BITS(DATA1_BSS_COLOR_KNOWN);
- he->data2 = HE_BITS(DATA2_PE_DISAMBIG_KNOWN) |
- HE_BITS(DATA2_TXOP_KNOWN);
-
he->data3 = HE_PREP(DATA3_BSS_COLOR, BSS_COLOR, v14) |
HE_PREP(DATA3_LDPC_XSYMSEG, LDPC_EXT_SYM, v2);
he->data5 = HE_PREP(DATA5_PE_DISAMBIG, PE_DISAMBIG, v2) |
@@ -296,10 +295,10 @@ mt7915_mac_decode_he_radiotap(struct sk_buff *skb,
HE_BITS(DATA1_SPTL_REUSE3_KNOWN) |
HE_BITS(DATA1_SPTL_REUSE4_KNOWN);

- he->data4 = HE_PREP(DATA4_TB_SPTL_REUSE1, SR_MASK, v11) |
- HE_PREP(DATA4_TB_SPTL_REUSE2, SR1_MASK, v11) |
- HE_PREP(DATA4_TB_SPTL_REUSE3, SR2_MASK, v11) |
- HE_PREP(DATA4_TB_SPTL_REUSE4, SR3_MASK, v11);
+ he->data4 |= HE_PREP(DATA4_TB_SPTL_REUSE1, SR_MASK, v11) |
+ HE_PREP(DATA4_TB_SPTL_REUSE2, SR1_MASK, v11) |
+ HE_PREP(DATA4_TB_SPTL_REUSE3, SR2_MASK, v11) |
+ HE_PREP(DATA4_TB_SPTL_REUSE4, SR3_MASK, v11);

mt7915_mac_decode_he_radiotap_ru(status, rxv, he);
break;
--
2.24.0