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From 53e3a80d80c80bf50ab64cf6c44fb0fa41aa22d8 Mon Sep 17 00:00:00 2001
From: Arend Van Spriel <arend.vanspriel@broadcom.com>
Date: Wed, 23 Nov 2016 10:25:31 +0000
Subject: [PATCH] brcmfmac: fix scheduled scan result handling for newer chips
The scan results for scheduled scan as retrieved from the device
have changed. A field has been added which is not needed. However,
the appended info is. Luckily they are versioned so check that to
find out the location of the appended data.
Reviewed-by: Hante Meuleman <hante.meuleman@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com>
Reviewed-by: Franky Lin <franky.lin@broadcom.com>
Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
---
.../broadcom/brcm80211/brcmfmac/cfg80211.c | 24 +++++++++++++++++++++-
.../broadcom/brcm80211/brcmfmac/fwil_types.h | 7 +++++++
2 files changed, 30 insertions(+), 1 deletion(-)
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
@@ -3257,6 +3257,28 @@ static int brcmf_start_internal_escan(st
return 0;
}
+static struct brcmf_pno_net_info_le *
+brcmf_get_netinfo_array(struct brcmf_pno_scanresults_le *pfn_v1)
+{
+ struct brcmf_pno_scanresults_v2_le *pfn_v2;
+ struct brcmf_pno_net_info_le *netinfo;
+
+ switch (pfn_v1->version) {
+ default:
+ WARN_ON(1);
+ /* fall-thru */
+ case cpu_to_le32(1):
+ netinfo = (struct brcmf_pno_net_info_le *)(pfn_v1 + 1);
+ break;
+ case cpu_to_le32(2):
+ pfn_v2 = (struct brcmf_pno_scanresults_v2_le *)pfn_v1;
+ netinfo = (struct brcmf_pno_net_info_le *)(pfn_v2 + 1);
+ break;
+ }
+
+ return netinfo;
+}
+
/* PFN result doesn't have all the info which are required by the supplicant
* (For e.g IEs) Do a target Escan so that sched scan results are reported
* via wl_inform_single_bss in the required format. Escan does require the
@@ -3309,7 +3331,7 @@ brcmf_notify_sched_scan_results(struct b
}
data += sizeof(struct brcmf_pno_scanresults_le);
- netinfo_start = (struct brcmf_pno_net_info_le *)data;
+ netinfo_start = brcmf_get_netinfo_array(pfn_result);
for (i = 0; i < result_count; i++) {
netinfo = &netinfo_start[i];
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil_types.h
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil_types.h
@@ -785,6 +785,13 @@ struct brcmf_pno_scanresults_le {
__le32 count;
};
+struct brcmf_pno_scanresults_v2_le {
+ __le32 version;
+ __le32 status;
+ __le32 count;
+ __le32 scan_ch_bucket;
+};
+
/**
* struct brcmf_pno_macaddr_le - to configure PNO macaddr randomization.
*
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