mac80211: brcmfmac: backport scheduled scan cleanup and chip support

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>

1 files changed, 176 insertions, 0 deletions

diff --git a/package/kernel/mac80211/patches/357-0007-brcmfmac-split-up-brcmf_pno_config-function.patch b/package/kernel/mac80211/patches/357-0007-brcmfmac-split-up-brcmf_pno_config-function.patch
new file mode 100644
index 0000000..f81523a
--- /dev/null
+++ b/package/kernel/mac80211/patches/357-0007-brcmfmac-split-up-brcmf_pno_config-function.patch
@@ -0,0 +1,176 @@
+From fca6cb2f059e51dec3fcf3589a5abbbcce5b4043 Mon Sep 17 00:00:00 2001
+From: Arend Van Spriel <arend.vanspriel@broadcom.com>
+Date: Wed, 23 Nov 2016 10:25:26 +0000
+Subject: [PATCH] brcmfmac: split up brcmf_pno_config() function
+
+The brcmf_pno_config() function handles two configurations in
+firmware. Split it and have caller sort out what is needed.
+
+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         | 11 +++-
+ .../net/wireless/broadcom/brcm80211/brcmfmac/pno.c | 60 ++++++++++++++++------
+ .../net/wireless/broadcom/brcm80211/brcmfmac/pno.h | 17 ++++--
+ 3 files changed, 68 insertions(+), 20 deletions(-)
+
+--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
+@@ -42,6 +42,7 @@
+ #include "common.h"
+ 
+ #define BRCMF_SCAN_IE_LEN_MAX		2048
++#define BRCMF_SCHED_SCAN_PERIOD		30
+ 
+ #define WPA_OUI				"\x00\x50\xF2"	/* WPA OUI */
+ #define WPA_OUI_TYPE			1
+@@ -3396,10 +3397,18 @@ brcmf_cfg80211_sched_scan_start(struct w
+ 	}
+ 
+ 	/* configure pno */
+-	ret = brcmf_pno_config(ifp, req);
++	ret = brcmf_pno_config(ifp, BRCMF_SCHED_SCAN_PERIOD, 0, 0);
+ 	if (ret < 0)
+ 		return ret;
+ 
++	/* configure random mac */
++	if (req->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
++		ret = brcmf_pno_set_random(ifp, req->mac_addr,
++					   req->mac_addr_mask);
++		if (ret < 0)
++			return ret;
++	}
++
+ 	/* configure each match set */
+ 	for (i = 0; i < req->n_match_sets; i++) {
+ 
+--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pno.c
++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pno.c
+@@ -23,10 +23,12 @@
+ #include "fwil_types.h"
+ 
+ #define BRCMF_PNO_VERSION		2
+-#define BRCMF_PNO_TIME			30
+ #define BRCMF_PNO_REPEAT		4
+ #define BRCMF_PNO_FREQ_EXPO_MAX		3
++#define BRCMF_PNO_IMMEDIATE_SCAN_BIT	3
++#define BRCMF_PNO_ENABLE_BD_SCAN_BIT	5
+ #define BRCMF_PNO_ENABLE_ADAPTSCAN_BIT	6
++#define BRCMF_PNO_REPORT_SEPARATELY_BIT	11
+ #define BRCMF_PNO_SCAN_INCOMPLETE	0
+ #define BRCMF_PNO_WPA_AUTH_ANY		0xFFFFFFFF
+ #define BRCMF_PNO_HIDDEN_BIT		2
+@@ -47,42 +49,68 @@ int brcmf_pno_clean(struct brcmf_if *ifp
+ 	return ret;
+ }
+ 
+-int brcmf_pno_config(struct brcmf_if *ifp,
+-		     struct cfg80211_sched_scan_request *request)
++int brcmf_pno_config(struct brcmf_if *ifp, u32 scan_freq,
++		     u32 mscan, u32 bestn)
+ {
+ 	struct brcmf_pno_param_le pfn_param;
+-	struct brcmf_pno_macaddr_le pfn_mac;
++	u16 flags;
++	u32 pfnmem;
+ 	s32 err;
+-	u8 *mac_mask;
+-	int i;
+ 
+ 	memset(&pfn_param, 0, sizeof(pfn_param));
+ 	pfn_param.version = cpu_to_le32(BRCMF_PNO_VERSION);
+ 
+ 	/* set extra pno params */
+-	pfn_param.flags = cpu_to_le16(1 << BRCMF_PNO_ENABLE_ADAPTSCAN_BIT);
++	flags = BIT(BRCMF_PNO_IMMEDIATE_SCAN_BIT) |
++		BIT(BRCMF_PNO_REPORT_SEPARATELY_BIT) |
++		BIT(BRCMF_PNO_ENABLE_ADAPTSCAN_BIT);
+ 	pfn_param.repeat = BRCMF_PNO_REPEAT;
+ 	pfn_param.exp = BRCMF_PNO_FREQ_EXPO_MAX;
+ 
+ 	/* set up pno scan fr */
+-	pfn_param.scan_freq = cpu_to_le32(BRCMF_PNO_TIME);
++	pfn_param.scan_freq = cpu_to_le32(scan_freq);
++
++	if (mscan) {
++		pfnmem = bestn;
+ 
++		/* set bestn in firmware */
++		err = brcmf_fil_iovar_int_set(ifp, "pfnmem", pfnmem);
++		if (err < 0) {
++			brcmf_err("failed to set pfnmem\n");
++			goto exit;
++		}
++		/* get max mscan which the firmware supports */
++		err = brcmf_fil_iovar_int_get(ifp, "pfnmem", &pfnmem);
++		if (err < 0) {
++			brcmf_err("failed to get pfnmem\n");
++			goto exit;
++		}
++		mscan = min_t(u32, mscan, pfnmem);
++		pfn_param.mscan = mscan;
++		pfn_param.bestn = bestn;
++		flags |= BIT(BRCMF_PNO_ENABLE_BD_SCAN_BIT);
++		brcmf_dbg(INFO, "mscan=%d, bestn=%d\n", mscan, bestn);
++	}
++
++	pfn_param.flags = cpu_to_le16(flags);
+ 	err = brcmf_fil_iovar_data_set(ifp, "pfn_set", &pfn_param,
+ 				       sizeof(pfn_param));
+-	if (err) {
++	if (err)
+ 		brcmf_err("pfn_set failed, err=%d\n", err);
+-		return err;
+-	}
+ 
+-	/* Find out if mac randomization should be turned on */
+-	if (!(request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR))
+-		return 0;
++exit:
++	return err;
++}
++
++int brcmf_pno_set_random(struct brcmf_if *ifp, u8 *mac_addr, u8 *mac_mask)
++{
++	struct brcmf_pno_macaddr_le pfn_mac;
++	int err, i;
+ 
+ 	pfn_mac.version = BRCMF_PFN_MACADDR_CFG_VER;
+ 	pfn_mac.flags = BRCMF_PFN_MAC_OUI_ONLY | BRCMF_PFN_SET_MAC_UNASSOC;
+ 
+-	memcpy(pfn_mac.mac, request->mac_addr, ETH_ALEN);
+-	mac_mask = request->mac_addr_mask;
++	memcpy(pfn_mac.mac, mac_addr, ETH_ALEN);
+ 	for (i = 0; i < ETH_ALEN; i++) {
+ 		pfn_mac.mac[i] &= mac_mask[i];
+ 		pfn_mac.mac[i] |= get_random_int() & ~(mac_mask[i]);
+--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pno.h
++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pno.h
+@@ -30,10 +30,21 @@ int brcmf_pno_clean(struct brcmf_if *ifp
+  * brcmf_pno_config - configure pno parameters.
+  *
+  * @ifp: interface object used.
+- * @request: scheduled scan parameters.
++ * @scan_freq: scan frequency period in seconds.
++ * @mscan: maximum number of scans stored in firmware.
++ * @bestn: maximum number of APs per scan stored in firmware.
+  */
+-int brcmf_pno_config(struct brcmf_if *ifp,
+-		     struct cfg80211_sched_scan_request *request);
++int brcmf_pno_config(struct brcmf_if *ifp, u32 scan_freq,
++		     u32 mscan, u32 bestn);
++
++/**
++ * brcmf_pno_set_random - setup randomisation mac address for pno.
++ *
++ * @ifp: interface object used.
++ * @mac_addr: MAC address used with randomisation.
++ * @mac_mask: MAC address mask used for randomisation.
++ */
++int brcmf_pno_set_random(struct brcmf_if *ifp, u8 *mac_addr, u8 *mac_mask);
+ 
+ /**
+  * brcmf_pno_add_ssid - add ssid for pno in firmware.