Due to a HW issue in PHY info collection rtap_include_phy_info is not
in use, hence can be removed.
Signed-off-by: Maya Erez <merez@xxxxxxxxxxxxxx>
---
drivers/net/wireless/ath/wil6210/txrx.c | 88 ++++++---------------------------
drivers/net/wireless/ath/wil6210/txrx.h | 7 +--
drivers/net/wireless/ath/wil6210/wmi.c | 4 +-
3 files changed, 18 insertions(+), 81 deletions(-)
diff --git a/drivers/net/wireless/ath/wil6210/txrx.c b/drivers/net/wireless/ath/wil6210/txrx.c
index 3e1c831..4d286fb 100644
--- a/drivers/net/wireless/ath/wil6210/txrx.c
+++ b/drivers/net/wireless/ath/wil6210/txrx.c
@@ -1,6 +1,6 @@
/*
* Copyright (c) 2012-2017 Qualcomm Atheros, Inc.
- * Copyright (c) 2018, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2018-2019, The Linux Foundation. All rights reserved.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
@@ -30,11 +30,6 @@
#include "trace.h"
#include "txrx_edma.h"
-static bool rtap_include_phy_info;
-module_param(rtap_include_phy_info, bool, 0444);
-MODULE_PARM_DESC(rtap_include_phy_info,
- " Include PHY info in the radiotap header, default - no");
-
bool rx_align_2;
module_param(rx_align_2, bool, 0444);
MODULE_PARM_DESC(rx_align_2, " align Rx buffers on 4*n+2, default - no");
@@ -332,87 +327,34 @@ static void wil_rx_add_radiotap_header(struct wil6210_priv *wil,
u8 mcs_flags;
u8 mcs_index;
} __packed;
- struct wil6210_rtap_vendor {
- struct wil6210_rtap rtap;
- /* vendor */
- u8 vendor_oui[3] __aligned(2);
- u8 vendor_ns;
- __le16 vendor_skip;
- u8 vendor_data[0];
- } __packed;
struct vring_rx_desc *d = wil_skb_rxdesc(skb);
- struct wil6210_rtap_vendor *rtap_vendor;
+ struct wil6210_rtap *rtap;
int rtap_len = sizeof(struct wil6210_rtap);
- int phy_length = 0; /* phy info header size, bytes */
- static char phy_data[128];
struct ieee80211_channel *ch = wil->monitor_chandef.chan;
- if (rtap_include_phy_info) {
- rtap_len = sizeof(*rtap_vendor) + sizeof(*d);
- /* calculate additional length */
- if (d->dma.status & RX_DMA_STATUS_PHY_INFO) {
- /**
- * PHY info starts from 8-byte boundary
- * there are 8-byte lines, last line may be partially
- * written (HW bug), thus FW configures for last line
- * to be excessive. Driver skips this last line.
- */
- int len = min_t(int, 8 + sizeof(phy_data),
- wil_rxdesc_phy_length(d));
-
- if (len > 8) {
- void *p = skb_tail_pointer(skb);
- void *pa = PTR_ALIGN(p, 8);
-
- if (skb_tailroom(skb) >= len + (pa - p)) {
- phy_length = len - 8;
- memcpy(phy_data, pa, phy_length);
- }
- }
- }
- rtap_len += phy_length;
- }
-
if (skb_headroom(skb) < rtap_len &&
pskb_expand_head(skb, rtap_len, 0, GFP_ATOMIC)) {
wil_err(wil, "Unable to expand headroom to %d\n", rtap_len);
return;
}
- rtap_vendor = skb_push(skb, rtap_len);
- memset(rtap_vendor, 0, rtap_len);
+ rtap = skb_push(skb, rtap_len);
+ memset(rtap, 0, rtap_len);
- rtap_vendor->rtap.rthdr.it_version = PKTHDR_RADIOTAP_VERSION;
- rtap_vendor->rtap.rthdr.it_len = cpu_to_le16(rtap_len);
- rtap_vendor->rtap.rthdr.it_present = cpu_to_le32(
- (1 << IEEE80211_RADIOTAP_FLAGS) |
+ rtap->rthdr.it_version = PKTHDR_RADIOTAP_VERSION;
+ rtap->rthdr.it_len = cpu_to_le16(rtap_len);
+ rtap->rthdr.it_present = cpu_to_le32((1 << IEEE80211_RADIOTAP_FLAGS) |
(1 << IEEE80211_RADIOTAP_CHANNEL) |
(1 << IEEE80211_RADIOTAP_MCS));
if (d->dma.status & RX_DMA_STATUS_ERROR)
- rtap_vendor->rtap.flags |= IEEE80211_RADIOTAP_F_BADFCS;
-
- rtap_vendor->rtap.chnl_freq = cpu_to_le16(ch ? ch->center_freq : 58320);
- rtap_vendor->rtap.chnl_flags = cpu_to_le16(0);
-
- rtap_vendor->rtap.mcs_present = IEEE80211_RADIOTAP_MCS_HAVE_MCS;
- rtap_vendor->rtap.mcs_flags = 0;
- rtap_vendor->rtap.mcs_index = wil_rxdesc_mcs(d);
-
- if (rtap_include_phy_info) {
- rtap_vendor->rtap.rthdr.it_present |= cpu_to_le32(1 <<
- IEEE80211_RADIOTAP_VENDOR_NAMESPACE);
- /* OUI for Wilocity 04:ce:14 */
- rtap_vendor->vendor_oui[0] = 0x04;
- rtap_vendor->vendor_oui[1] = 0xce;
- rtap_vendor->vendor_oui[2] = 0x14;
- rtap_vendor->vendor_ns = 1;
- /* Rx descriptor + PHY data */
- rtap_vendor->vendor_skip = cpu_to_le16(sizeof(*d) +
- phy_length);
- memcpy(rtap_vendor->vendor_data, (void *)d, sizeof(*d));
- memcpy(rtap_vendor->vendor_data + sizeof(*d), phy_data,
- phy_length);
- }
+ rtap->flags |= IEEE80211_RADIOTAP_F_BADFCS;
+
+ rtap->chnl_freq = cpu_to_le16(ch ? ch->center_freq : 58320);
+ rtap->chnl_flags = cpu_to_le16(0);
+
+ rtap->mcs_present = IEEE80211_RADIOTAP_MCS_HAVE_MCS;
+ rtap->mcs_flags = 0;
+ rtap->mcs_index = wil_rxdesc_mcs(d);
}
static bool wil_is_rx_idle(struct wil6210_priv *wil)
diff --git a/drivers/net/wireless/ath/wil6210/txrx.h b/drivers/net/wireless/ath/wil6210/txrx.h
index 9d83be4..bc81444 100644
--- a/drivers/net/wireless/ath/wil6210/txrx.h
+++ b/drivers/net/wireless/ath/wil6210/txrx.h
@@ -1,6 +1,6 @@
/*
* Copyright (c) 2012-2016 Qualcomm Atheros, Inc.
- * Copyright (c) 2018, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2018-2019, The Linux Foundation. All rights reserved.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
@@ -530,11 +530,6 @@ static inline int wil_rxdesc_mcast(struct vring_rx_desc *d)
return WIL_GET_BITS(d->mac.d1, 13, 14);
}
-static inline int wil_rxdesc_phy_length(struct vring_rx_desc *d)
-{
- return WIL_GET_BITS(d->dma.d0, 16, 29);
-}
-
static inline struct vring_rx_desc *wil_skb_rxdesc(struct sk_buff *skb)
{
return (void *)skb->cb;
diff --git a/drivers/net/wireless/ath/wil6210/wmi.c b/drivers/net/wireless/ath/wil6210/wmi.c
index 345f059..b1ba519 100644
--- a/drivers/net/wireless/ath/wil6210/wmi.c
+++ b/drivers/net/wireless/ath/wil6210/wmi.c
@@ -1,6 +1,6 @@
/*
* Copyright (c) 2012-2017 Qualcomm Atheros, Inc.
- * Copyright (c) 2018, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2018-2019, The Linux Foundation. All rights reserved.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
@@ -2516,7 +2516,7 @@ int wmi_rx_chain_add(struct wil6210_priv *wil, struct wil_ring *vring)
if (ch)
cmd.sniffer_cfg.channel = ch->hw_value - 1;
cmd.sniffer_cfg.phy_info_mode =
- cpu_to_le32(ndev->type == ARPHRD_IEEE80211_RADIOTAP);
+ cpu_to_le32(WMI_SNIFFER_PHY_INFO_DISABLED);
cmd.sniffer_cfg.phy_support =
cpu_to_le32((wil->monitor_flags & MONITOR_FLAG_CONTROL)
? WMI_SNIFFER_CP : WMI_SNIFFER_BOTH_PHYS);
--
1.9.1
