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brcmfmac: use mfp if required from user-space 

The struct cfg80211_connect_params indicate whether the connection
should use management frame protection (mfp). If required set the
MFP_CAPABLE flag in the firmware command. This is supported from
user-space by wpa_supplicant since v2.1.

Reviewed-by: Daniel (Deognyoun) Kim <dekim@broadcom.com>
Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Daniel Kim 2014-03-25 21:45:09 +01:00 committed by John W. Linville
parent 1851cb4a0f
commit 87b7e9e2f6
2 changed files with 13 additions and 5 deletions
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15
drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
View File

@ -1354,13 +1354,14 @@ static s32 brcmf_set_auth_type(struct net_device *ndev,
}
static s32
brcmf_set_set_cipher(struct net_device *ndev,
struct cfg80211_connect_params *sme)
brcmf_set_wsec_mode(struct net_device *ndev,
struct cfg80211_connect_params *sme, bool mfp)
{
struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
struct brcmf_cfg80211_security *sec;
s32 pval = 0;
s32 gval = 0;
s32 wsec;
s32 err = 0;
if (sme->crypto.n_ciphers_pairwise) {
@ -1412,7 +1413,12 @@ brcmf_set_set_cipher(struct net_device *ndev,
if (brcmf_find_wpsie(sme->ie, sme->ie_len) && !pval && !gval &&
sme->privacy)
pval = AES_ENABLED;
err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "wsec", pval | gval);
if (mfp)
wsec = pval | gval | MFP_CAPABLE;
else
wsec = pval | gval;
err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "wsec", wsec);
if (err) {
brcmf_err("error (%d)\n", err);
return err;
@ -1582,7 +1588,6 @@ brcmf_cfg80211_connect(struct wiphy *wiphy, struct net_device *ndev,
u32 ie_len;
struct brcmf_ext_join_params_le *ext_join_params;
u16 chanspec;
s32 err = 0;
brcmf_dbg(TRACE, "Enter\n");
@ -1651,7 +1656,7 @@ brcmf_cfg80211_connect(struct wiphy *wiphy, struct net_device *ndev,
goto done;
}
err = brcmf_set_set_cipher(ndev, sme);
err = brcmf_set_wsec_mode(ndev, sme, sme->mfp == NL80211_MFP_REQUIRED);
if (err) {
brcmf_err("wl_set_set_cipher failed (%d)\n", err);
goto done;

3
drivers/net/wireless/brcm80211/include/brcmu_wifi.h
View File

@ -217,6 +217,9 @@ static inline bool ac_bitmap_tst(u8 bitmap, int prec)
#define WSEC_SWFLAG 0x0008
/* to go into transition mode without setting wep */
#define SES_OW_ENABLED 0x0040
/* MFP */
#define MFP_CAPABLE 0x0200
#define MFP_REQUIRED 0x0400
/* WPA authentication mode bitvec */
#define WPA_AUTH_DISABLED 0x0000 /* Legacy (i.e., non-WPA) */