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openwrtv4/package/kernel/mac80211/patches/357-0008-brcmfmac-move-scheduled-scan-activation-to-pno-sourc.patch
Rafał Miłecki 863a06b0a4 mac80211: brcmfmac: backport scheduled scan cleanup and chip support 
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
2017-02-02 09:49:35 +01:00

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From 3e48611d31dd333be01576902f2dc11adefc9a06 Mon Sep 17 00:00:00 2001
From: Arend Van Spriel <arend.vanspriel@broadcom.com>
Date: Wed, 23 Nov 2016 10:25:27 +0000
Subject: [PATCH] brcmfmac: move scheduled scan activation to pno source file
Rework .sched_scan_start() callback moving actual configuration of
the device in pno source file.
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 | 65 +-----------
.../net/wireless/broadcom/brcm80211/brcmfmac/pno.c | 110 +++++++++++++++++----
.../net/wireless/broadcom/brcm80211/brcmfmac/pno.h | 29 +-----
3 files changed, 94 insertions(+), 110 deletions(-)
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
@@ -42,7 +42,6 @@
#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
@@ -3342,24 +3341,6 @@ free_req:
return err;
}
-static bool brcmf_is_ssid_active(struct cfg80211_ssid *ssid,
- struct cfg80211_sched_scan_request *req)
-{
- int i;
-
- if (!ssid || !req->ssids || !req->n_ssids)
- return false;
-
- for (i = 0; i < req->n_ssids; i++) {
- if (ssid->ssid_len == req->ssids[i].ssid_len) {
- if (!strncmp(ssid->ssid, req->ssids[i].ssid,
- ssid->ssid_len))
- return true;
- }
- }
- return false;
-}
-
static int
brcmf_cfg80211_sched_scan_start(struct wiphy *wiphy,
struct net_device *ndev,
@@ -3367,9 +3348,6 @@ brcmf_cfg80211_sched_scan_start(struct w
{
struct brcmf_if *ifp = netdev_priv(ndev);
struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
- struct cfg80211_ssid *ssid;
- int i;
- int ret = 0;
brcmf_dbg(SCAN, "Enter n_match_sets:%d n_ssids:%d\n",
req->n_match_sets, req->n_ssids);
@@ -3389,48 +3367,7 @@ brcmf_cfg80211_sched_scan_start(struct w
return -EINVAL;
}
- /* clean up everything */
- ret = brcmf_pno_clean(ifp);
- if (ret < 0) {
- brcmf_err("failed error=%d\n", ret);
- return ret;
- }
-
- /* configure pno */
- 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++) {
-
- ssid = &req->match_sets[i].ssid;
-
- if (!ssid->ssid_len) {
- brcmf_err("skip broadcast ssid\n");
- continue;
- }
-
- ret = brcmf_pno_add_ssid(ifp, ssid,
- brcmf_is_ssid_active(ssid, req));
- if (ret < 0)
- brcmf_dbg(SCAN, ">>> PNO filter %s for ssid (%s)\n",
- ret == 0 ? "set" : "failed", ssid->ssid);
- }
- /* Enable the PNO */
- ret = brcmf_fil_iovar_int_set(ifp, "pfn", 1);
- if (ret < 0)
- brcmf_err("PNO enable failed!! ret=%d\n", ret);
-
- return ret;
+ return brcmf_pno_start_sched_scan(ifp, req);
}
static int brcmf_cfg80211_sched_scan_stop(struct wiphy *wiphy,
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pno.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pno.c
@@ -32,25 +32,10 @@
#define BRCMF_PNO_SCAN_INCOMPLETE 0
#define BRCMF_PNO_WPA_AUTH_ANY 0xFFFFFFFF
#define BRCMF_PNO_HIDDEN_BIT 2
+#define BRCMF_PNO_SCHED_SCAN_PERIOD 30
-int brcmf_pno_clean(struct brcmf_if *ifp)
-{
- int ret;
-
- /* Disable pfn */
- ret = brcmf_fil_iovar_int_set(ifp, "pfn", 0);
- if (ret == 0) {
- /* clear pfn */
- ret = brcmf_fil_iovar_data_set(ifp, "pfnclear", NULL, 0);
- }
- if (ret < 0)
- brcmf_err("failed code %d\n", ret);
-
- return ret;
-}
-
-int brcmf_pno_config(struct brcmf_if *ifp, u32 scan_freq,
- u32 mscan, u32 bestn)
+static int brcmf_pno_config(struct brcmf_if *ifp, u32 scan_freq,
+ u32 mscan, u32 bestn)
{
struct brcmf_pno_param_le pfn_param;
u16 flags;
@@ -102,7 +87,8 @@ exit:
return err;
}
-int brcmf_pno_set_random(struct brcmf_if *ifp, u8 *mac_addr, u8 *mac_mask)
+static 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;
@@ -128,8 +114,8 @@ int brcmf_pno_set_random(struct brcmf_if
return err;
}
-int brcmf_pno_add_ssid(struct brcmf_if *ifp, struct cfg80211_ssid *ssid,
- bool active)
+static int brcmf_pno_add_ssid(struct brcmf_if *ifp, struct cfg80211_ssid *ssid,
+ bool active)
{
struct brcmf_pno_net_param_le pfn;
@@ -144,3 +130,85 @@ int brcmf_pno_add_ssid(struct brcmf_if *
return brcmf_fil_iovar_data_set(ifp, "pfn_add", &pfn, sizeof(pfn));
}
+static bool brcmf_is_ssid_active(struct cfg80211_ssid *ssid,
+ struct cfg80211_sched_scan_request *req)
+{
+ int i;
+
+ if (!ssid || !req->ssids || !req->n_ssids)
+ return false;
+
+ for (i = 0; i < req->n_ssids; i++) {
+ if (ssid->ssid_len == req->ssids[i].ssid_len) {
+ if (!strncmp(ssid->ssid, req->ssids[i].ssid,
+ ssid->ssid_len))
+ return true;
+ }
+ }
+ return false;
+}
+
+int brcmf_pno_clean(struct brcmf_if *ifp)
+{
+ int ret;
+
+ /* Disable pfn */
+ ret = brcmf_fil_iovar_int_set(ifp, "pfn", 0);
+ if (ret == 0) {
+ /* clear pfn */
+ ret = brcmf_fil_iovar_data_set(ifp, "pfnclear", NULL, 0);
+ }
+ if (ret < 0)
+ brcmf_err("failed code %d\n", ret);
+
+ return ret;
+}
+
+int brcmf_pno_start_sched_scan(struct brcmf_if *ifp,
+ struct cfg80211_sched_scan_request *req)
+{
+ struct cfg80211_ssid *ssid;
+ int i, ret;
+
+ /* clean up everything */
+ ret = brcmf_pno_clean(ifp);
+ if (ret < 0) {
+ brcmf_err("failed error=%d\n", ret);
+ return ret;
+ }
+
+ /* configure pno */
+ ret = brcmf_pno_config(ifp, BRCMF_PNO_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++) {
+ ssid = &req->match_sets[i].ssid;
+ if (!ssid->ssid_len) {
+ brcmf_err("skip broadcast ssid\n");
+ continue;
+ }
+
+ ret = brcmf_pno_add_ssid(ifp, ssid,
+ brcmf_is_ssid_active(ssid, req));
+ if (ret < 0)
+ brcmf_dbg(SCAN, ">>> PNO filter %s for ssid (%s)\n",
+ ret == 0 ? "set" : "failed", ssid->ssid);
+ }
+ /* Enable the PNO */
+ ret = brcmf_fil_iovar_int_set(ifp, "pfn", 1);
+ if (ret < 0)
+ brcmf_err("PNO enable failed!! ret=%d\n", ret);
+
+ return ret;
+}
+
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pno.h
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pno.h
@@ -27,33 +27,12 @@
int brcmf_pno_clean(struct brcmf_if *ifp);
/**
- * brcmf_pno_config - configure pno parameters.
+ * brcmf_pno_start_sched_scan - initiate scheduled scan on device.
*
* @ifp: interface object used.
- * @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.
+ * @req: configuration parameters for scheduled scan.
*/
-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.
- *
- * @ifp: interface object used.
- * @ssid: ssid information.
- * @active: indicate this ssid needs to be actively probed.
- */
-int brcmf_pno_add_ssid(struct brcmf_if *ifp, struct cfg80211_ssid *ssid,
- bool active);
+int brcmf_pno_start_sched_scan(struct brcmf_if *ifp,
+ struct cfg80211_sched_scan_request *req);
#endif /* _BRCMF_PNO_H */
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