From 98027769828f772c7ce69b6e58d37b78ebe8ab28 Mon Sep 17 00:00:00 2001 From: Arend van Spriel Date: Sun, 21 Dec 2014 12:43:53 +0100 Subject: [PATCH] brcmfmac: enable 802.11d support in firmware When the driver gets beacon info containing a country IE from user-space upon .start_ap() callback, it will enable regulatory 802.11d support. Reviewed-by: Pieter-Paul Giesberts Reviewed-by: Hante Meuleman Signed-off-by: Arend van Spriel Signed-off-by: Kalle Valo --- .../wireless/brcm80211/brcmfmac/cfg80211.c | 26 +++++++++++++++++++ .../wireless/brcm80211/brcmfmac/cfg80211.h | 1 + .../net/wireless/brcm80211/brcmfmac/fwil.h | 2 ++ 3 files changed, 29 insertions(+) diff --git a/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c index c896fe27a626..1783c0350e1f 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c @@ -3966,6 +3966,7 @@ brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev, struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); struct brcmf_if *ifp = netdev_priv(ndev); const struct brcmf_tlv *ssid_ie; + const struct brcmf_tlv *country_ie; struct brcmf_ssid_le ssid_le; s32 err = -EPERM; const struct brcmf_tlv *rsn_ie; @@ -3975,6 +3976,7 @@ brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev, struct brcmf_fil_bss_enable_le bss_enable; u16 chanspec; bool mbss; + int is_11d; brcmf_dbg(TRACE, "ctrlchn=%d, center=%d, bw=%d, beacon_interval=%d, dtim_period=%d,\n", settings->chandef.chan->hw_value, @@ -3986,6 +3988,13 @@ brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev, dev_role = ifp->vif->wdev.iftype; mbss = ifp->vif->mbss; + /* store current 11d setting */ + brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_REGULATORY, &ifp->vif->is_11d); + country_ie = brcmf_parse_tlvs((u8 *)settings->beacon.tail, + settings->beacon.tail_len, + WLAN_EID_COUNTRY); + is_11d = country_ie ? 1 : 0; + memset(&ssid_le, 0, sizeof(ssid_le)); if (settings->ssid == NULL || settings->ssid_len == 0) { ie_offset = DOT11_MGMT_HDR_LEN + DOT11_BCN_PRB_FIXED_LEN; @@ -4051,6 +4060,14 @@ brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev, goto exit; } + if (is_11d != ifp->vif->is_11d) { + err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_REGULATORY, + is_11d); + if (err < 0) { + brcmf_err("Regulatory Set Error, %d\n", err); + goto exit; + } + } if (settings->beacon_interval) { err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_BCNPRD, settings->beacon_interval); @@ -4083,6 +4100,10 @@ brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev, brcmf_err("SET INFRA error %d\n", err); goto exit; } + } else if (WARN_ON(is_11d != ifp->vif->is_11d)) { + /* Multiple-BSS should use same 11d configuration */ + err = -EINVAL; + goto exit; } if (dev_role == NL80211_IFTYPE_AP) { if ((brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MBSS)) && (!mbss)) @@ -4178,6 +4199,11 @@ static int brcmf_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *ndev) brcmf_err("setting INFRA mode failed %d\n", err); if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MBSS)) brcmf_fil_iovar_int_set(ifp, "mbss", 0); + err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_REGULATORY, + ifp->vif->is_11d); + if (err < 0) + brcmf_err("restoring REGULATORY setting failed %d\n", + err); /* Bring device back up so it can be used again */ err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 1); if (err < 0) diff --git a/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.h b/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.h index a5242af9da4c..d9e6d01b2b69 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.h +++ b/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.h @@ -200,6 +200,7 @@ struct brcmf_cfg80211_vif { struct list_head list; u16 mgmt_rx_reg; bool mbss; + int is_11d; }; /* association inform */ diff --git a/drivers/net/wireless/brcm80211/brcmfmac/fwil.h b/drivers/net/wireless/brcm80211/brcmfmac/fwil.h index 3ede91d11ad2..37345e7b873d 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/fwil.h +++ b/drivers/net/wireless/brcm80211/brcmfmac/fwil.h @@ -43,6 +43,8 @@ #define BRCMF_C_SET_RADIO 38 #define BRCMF_C_GET_PHYTYPE 39 #define BRCMF_C_SET_KEY 45 +#define BRCMF_C_GET_REGULATORY 46 +#define BRCMF_C_SET_REGULATORY 47 #define BRCMF_C_SET_PASSIVE_SCAN 49 #define BRCMF_C_SCAN 50 #define BRCMF_C_SCAN_RESULTS 51 -- 2.20.1