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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>
This commit is contained in:
Arend Van Spriel 2016-11-23 10:25:26 +00:00 committed by Kalle Valo
parent fa85b30a90
commit fca6cb2f05
3 changed files with 70 additions and 22 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
View File

@ -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 wiphy *wiphy,
}
/* 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++) {

64
drivers/net/wireless/broadcom/brcm80211/brcmfmac/pno.c
View File

@ -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);
err = brcmf_fil_iovar_data_set(ifp, "pfn_set", &pfn_param,
sizeof(pfn_param));
if (err) {
brcmf_err("pfn_set failed, err=%d\n", err);
return err;
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);
}
/* Find out if mac randomization should be turned on */
if (!(request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR))
return 0;
pfn_param.flags = cpu_to_le16(flags);
err = brcmf_fil_iovar_data_set(ifp, "pfn_set", &pfn_param,
sizeof(pfn_param));
if (err)
brcmf_err("pfn_set failed, err=%d\n", err);
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]);

17
drivers/net/wireless/broadcom/brcm80211/brcmfmac/pno.h
View File

@ -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.