From: Hante Meuleman Date: Wed, 25 Nov 2015 11:32:42 +0100 Subject: [PATCH] brcmfmac: Cleanup roaming configuration. Put all roaming configuration related code in one place and configure timeout based upon roaming setting. Reviewed-by: Arend Van Spriel Reviewed-by: Franky (Zhenhui) Lin Reviewed-by: Pieter-Paul Giesberts Signed-off-by: Hante Meuleman Signed-off-by: Arend van Spriel Signed-off-by: Kalle Valo --- --- a/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c @@ -4755,7 +4755,6 @@ struct brcmf_cfg80211_vif *brcmf_alloc_v vif->wdev.iftype = type; vif->pm_block = pm_block; - vif->roam_off = -1; brcmf_init_prof(&vif->profile); @@ -5305,35 +5304,33 @@ static void init_vif_event(struct brcmf_ mutex_init(&event->vif_event_lock); } -static s32 -brcmf_dongle_roam(struct brcmf_if *ifp, u32 bcn_timeout) +static s32 brcmf_dongle_roam(struct brcmf_if *ifp) { - s32 err = 0; + s32 err; + u32 bcn_timeout; __le32 roamtrigger[2]; __le32 roam_delta[2]; - /* - * Setup timeout if Beacons are lost and roam is - * off to report link down - */ - if (brcmf_roamoff) { - err = brcmf_fil_iovar_int_set(ifp, "bcn_timeout", bcn_timeout); - if (err) { - brcmf_err("bcn_timeout error (%d)\n", err); - goto dongle_rom_out; - } + /* Configure beacon timeout value based upon roaming setting */ + if (brcmf_roamoff) + bcn_timeout = BRCMF_DEFAULT_BCN_TIMEOUT_ROAM_OFF; + else + bcn_timeout = BRCMF_DEFAULT_BCN_TIMEOUT_ROAM_ON; + err = brcmf_fil_iovar_int_set(ifp, "bcn_timeout", bcn_timeout); + if (err) { + brcmf_err("bcn_timeout error (%d)\n", err); + goto roam_setup_done; } - /* - * Enable/Disable built-in roaming to allow supplicant - * to take care of roaming + /* Enable/Disable built-in roaming to allow supplicant to take care of + * roaming. */ brcmf_dbg(INFO, "Internal Roaming = %s\n", brcmf_roamoff ? "Off" : "On"); err = brcmf_fil_iovar_int_set(ifp, "roam_off", !!(brcmf_roamoff)); if (err) { brcmf_err("roam_off error (%d)\n", err); - goto dongle_rom_out; + goto roam_setup_done; } roamtrigger[0] = cpu_to_le32(WL_ROAM_TRIGGER_LEVEL); @@ -5342,7 +5339,7 @@ brcmf_dongle_roam(struct brcmf_if *ifp, (void *)roamtrigger, sizeof(roamtrigger)); if (err) { brcmf_err("WLC_SET_ROAM_TRIGGER error (%d)\n", err); - goto dongle_rom_out; + goto roam_setup_done; } roam_delta[0] = cpu_to_le32(WL_ROAM_DELTA); @@ -5351,10 +5348,10 @@ brcmf_dongle_roam(struct brcmf_if *ifp, (void *)roam_delta, sizeof(roam_delta)); if (err) { brcmf_err("WLC_SET_ROAM_DELTA error (%d)\n", err); - goto dongle_rom_out; + goto roam_setup_done; } -dongle_rom_out: +roam_setup_done: return err; } @@ -6069,7 +6066,7 @@ static s32 brcmf_config_dongle(struct br brcmf_dbg(INFO, "power save set to %s\n", (power_mode ? "enabled" : "disabled")); - err = brcmf_dongle_roam(ifp, WL_BEACON_TIMEOUT); + err = brcmf_dongle_roam(ifp); if (err) goto default_conf_out; err = brcmf_cfg80211_change_iface(wdev->wiphy, ndev, wdev->iftype, --- a/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.h +++ b/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.h @@ -28,7 +28,6 @@ #define WL_EXTRA_BUF_MAX 2048 #define WL_ROAM_TRIGGER_LEVEL -75 #define WL_ROAM_DELTA 20 -#define WL_BEACON_TIMEOUT 3 #define WL_SCAN_CHANNEL_TIME 40 #define WL_SCAN_UNASSOC_TIME 40 @@ -77,6 +76,9 @@ #define BRCMF_MAX_DEFAULT_KEYS 4 +/* beacon loss timeout defaults */ +#define BRCMF_DEFAULT_BCN_TIMEOUT_ROAM_ON 2 +#define BRCMF_DEFAULT_BCN_TIMEOUT_ROAM_OFF 4 /** * enum brcmf_scan_status - scan engine status @@ -178,7 +180,6 @@ struct vif_saved_ie { * @ifp: lower layer interface pointer * @wdev: wireless device. * @profile: profile information. - * @roam_off: roaming state. * @sme_state: SME state using enum brcmf_vif_status bits. * @pm_block: power-management blocked. * @list: linked list. @@ -189,7 +190,6 @@ struct brcmf_cfg80211_vif { struct brcmf_if *ifp; struct wireless_dev wdev; struct brcmf_cfg80211_profile profile; - s32 roam_off; unsigned long sme_state; bool pm_block; struct vif_saved_ie saved_ie; --- a/drivers/net/wireless/brcm80211/brcmfmac/common.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/common.c @@ -29,7 +29,6 @@ const u8 ALLFFMAC[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; -#define BRCMF_DEFAULT_BCN_TIMEOUT 3 #define BRCMF_DEFAULT_SCAN_CHANNEL_TIME 40 #define BRCMF_DEFAULT_SCAN_UNASSOC_TIME 40 @@ -107,26 +106,6 @@ int brcmf_c_preinit_dcmds(struct brcmf_i goto done; } - /* - * Setup timeout if Beacons are lost and roam is off to report - * link down - */ - err = brcmf_fil_iovar_int_set(ifp, "bcn_timeout", - BRCMF_DEFAULT_BCN_TIMEOUT); - if (err) { - brcmf_err("bcn_timeout error (%d)\n", err); - goto done; - } - - /* Enable/Disable build-in roaming to allowed ext supplicant to take - * of romaing - */ - err = brcmf_fil_iovar_int_set(ifp, "roam_off", 1); - if (err) { - brcmf_err("roam_off error (%d)\n", err); - goto done; - } - /* Setup join_pref to select target by RSSI(with boost on 5GHz) */ join_pref_params[0].type = BRCMF_JOIN_PREF_RSSI_DELTA; join_pref_params[0].len = 2;