From 4c59ff5a9a9c54cc26c807dc2fa6933f7e9fa4ef Mon Sep 17 00:00:00 2001
From: Sara Sharon <sara.sharon@intel.com>
Date: Sun, 29 Oct 2017 10:46:39 +0200
Subject: [PATCH] iwlwifi: mvm: check for short GI only for OFDM
Git-commit: 4c59ff5a9a9c54cc26c807dc2fa6933f7e9fa4ef
Patch-mainline: v4.16-rc1
References: bsc#1051510
This bit will be used in CCK to indicate short preamble.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/net/wireless/intel/iwlwifi/mvm/rx.c | 3 ++-
drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c | 4 +++-
2 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rx.c b/drivers/net/wireless/intel/iwlwifi/mvm/rx.c
index d1a40688d5e1..7cbea7890b0c 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/rx.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/rx.c
@@ -439,7 +439,8 @@ void iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct napi_struct *napi,
rx_status->bw = RATE_INFO_BW_160;
break;
}
- if (rate_n_flags & RATE_MCS_SGI_MSK)
+ if (!(rate_n_flags & RATE_MCS_CCK_MSK) &&
+ rate_n_flags & RATE_MCS_SGI_MSK)
rx_status->enc_flags |= RX_ENC_FLAG_SHORT_GI;
if (rate_n_flags & RATE_HT_MCS_GF_MSK)
rx_status->enc_flags |= RX_ENC_FLAG_HT_GF;
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
index 76dc58381e1c..f444ff3a3396 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
@@ -1010,7 +1010,9 @@ void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi,
rx_status->bw = RATE_INFO_BW_160;
break;
}
- if (rate_n_flags & RATE_MCS_SGI_MSK)
+
+ if (!(rate_n_flags & RATE_MCS_CCK_MSK) &&
+ rate_n_flags & RATE_MCS_SGI_MSK)
rx_status->enc_flags |= RX_ENC_FLAG_SHORT_GI;
if (rate_n_flags & RATE_HT_MCS_GF_MSK)
rx_status->enc_flags |= RX_ENC_FLAG_HT_GF;
--
2.19.1