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brcmfmac: use different fw api for encryption,auth. config

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This patch changes the commands being used to configure
encryption and authentication. These new methods are needed
for when p2p and hostap support are added.

Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Hante Meuleman <meuleman@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:
Hante Meuleman 2012-09-27 14:17:48 +02:00 committed by John W. Linville
parent 70398a5929
commit f09d0c02b6
4 changed files with 219 additions and 97 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/wireless/brcm80211/brcmfmac/dhd.h
View File

@ -658,6 +658,8 @@ extern const struct bcmevent_name bcmevent_names[];
extern uint brcmf_c_mkiovar(char *name, char *data, uint datalen,
char *buf, uint len);
extern uint brcmf_c_mkiovar_bsscfg(char *name, char *data, uint datalen,
char *buf, uint buflen, s32 bssidx);
extern int brcmf_netdev_wait_pend8021x(struct net_device *ndev);

46
drivers/net/wireless/brcm80211/brcmfmac/dhd_common.c
View File

@ -88,6 +88,52 @@ brcmf_c_mkiovar(char *name, char *data, uint datalen, char *buf, uint buflen)
return len;
}
uint
brcmf_c_mkiovar_bsscfg(char *name, char *data, uint datalen,
char *buf, uint buflen, s32 bssidx)
{
const s8 *prefix = "bsscfg:";
s8 *p;
u32 prefixlen;
u32 namelen;
u32 iolen;
__le32 bssidx_le;
if (bssidx == 0)
return brcmf_c_mkiovar(name, data, datalen, buf, buflen);
prefixlen = (u32) strlen(prefix); /* lengh of bsscfg prefix */
namelen = (u32) strlen(name) + 1; /* lengh of iovar name + null */
iolen = prefixlen + namelen + sizeof(bssidx_le) + datalen;
if (buflen < 0 || iolen > (u32)buflen) {
brcmf_dbg(ERROR, "buffer is too short\n");
return 0;
}
p = buf;
/* copy prefix, no null */
memcpy(p, prefix, prefixlen);
p += prefixlen;
/* copy iovar name including null */
memcpy(p, name, namelen);
p += namelen;
/* bss config index as first data */
bssidx_le = cpu_to_le32(bssidx);
memcpy(p, &bssidx_le, sizeof(bssidx_le));
p += sizeof(bssidx_le);
/* parameter buffer follows */
if (datalen)
memcpy(p, data, datalen);
return iolen;
}
bool brcmf_c_prec_enq(struct device *dev, struct pktq *q,
struct sk_buff *pkt, int prec)
{

266
drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
View File

@ -366,6 +366,44 @@ brcmf_exec_dcmd_u32(struct net_device *ndev, u32 cmd, u32 *par)
return err;
}
static s32
brcmf_dev_iovar_setbuf_bsscfg(struct net_device *ndev, s8 *name,
void *param, s32 paramlen,
void *buf, s32 buflen, s32 bssidx)
{
s32 err = -ENOMEM;
u32 len;
len = brcmf_c_mkiovar_bsscfg(name, param, paramlen,
buf, buflen, bssidx);
BUG_ON(!len);
if (len > 0)
err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_VAR, buf, len);
if (err)
WL_ERR("error (%d)\n", err);
return err;
}
static s32
brcmf_dev_iovar_getbuf_bsscfg(struct net_device *ndev, s8 *name,
void *param, s32 paramlen,
void *buf, s32 buflen, s32 bssidx)
{
s32 err = -ENOMEM;
u32 len;
len = brcmf_c_mkiovar_bsscfg(name, param, paramlen,
buf, buflen, bssidx);
BUG_ON(!len);
if (len > 0)
err = brcmf_exec_dcmd(ndev, BRCMF_C_GET_VAR, buf, len);
if (err)
WL_ERR("error (%d)\n", err);
return err;
}
static void convert_key_from_CPU(struct brcmf_wsec_key *key,
struct brcmf_wsec_key_le *key_le)
{
@ -380,16 +418,22 @@ static void convert_key_from_CPU(struct brcmf_wsec_key *key,
memcpy(key_le->ea, key->ea, sizeof(key->ea));
}
static int send_key_to_dongle(struct net_device *ndev,
struct brcmf_wsec_key *key)
static int
send_key_to_dongle(struct brcmf_cfg80211_priv *cfg_priv, s32 bssidx,
struct net_device *ndev, struct brcmf_wsec_key *key)
{
int err;
struct brcmf_wsec_key_le key_le;
convert_key_from_CPU(key, &key_le);
err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_KEY, &key_le, sizeof(key_le));
err = brcmf_dev_iovar_setbuf_bsscfg(ndev, "wsec_key", &key_le,
sizeof(key_le),
cfg_priv->extra_buf,
WL_EXTRA_BUF_MAX, bssidx);
if (err)
WL_ERR("WLC_SET_KEY error (%d)\n", err);
WL_ERR("wsec_key error (%d)\n", err);
return err;
}
@ -487,6 +531,49 @@ brcmf_dev_intvar_get(struct net_device *ndev, s8 *name, s32 *retval)
return err;
}
static s32
brcmf_dev_intvar_set_bsscfg(struct net_device *ndev, s8 *name, u32 val,
s32 bssidx)
{
s8 buf[BRCMF_DCMD_SMLEN];
__le32 val_le;
val_le = cpu_to_le32(val);
return brcmf_dev_iovar_setbuf_bsscfg(ndev, name, &val_le,
sizeof(val_le), buf, sizeof(buf),
bssidx);
}
static s32
brcmf_dev_intvar_get_bsscfg(struct net_device *ndev, s8 *name, s32 *val,
s32 bssidx)
{
s8 buf[BRCMF_DCMD_SMLEN];
s32 err;
__le32 val_le;
memset(buf, 0, sizeof(buf));
err = brcmf_dev_iovar_getbuf_bsscfg(ndev, name, val, sizeof(*val), buf,
sizeof(buf), bssidx);
if (err == 0) {
memcpy(&val_le, buf, sizeof(val_le));
*val = le32_to_cpu(val_le);
}
return err;
}
/*
* For now brcmf_find_bssidx will return 0. Once p2p gets implemented this
* should return the ndev matching bssidx.
*/
static s32
brcmf_find_bssidx(struct brcmf_cfg80211_priv *cfg_priv, struct net_device *ndev)
{
return 0;
}
static void brcmf_set_mpc(struct net_device *ndev, int mpc)
{
s32 err = 0;
@ -1600,14 +1687,15 @@ brcmf_set_key_mgmt(struct net_device *ndev, struct cfg80211_connect_params *sme)
}
static s32
brcmf_set_wep_sharedkey(struct net_device *ndev,
struct cfg80211_connect_params *sme)
brcmf_set_sharedkey(struct net_device *ndev,
struct cfg80211_connect_params *sme)
{
struct brcmf_cfg80211_priv *cfg_priv = ndev_to_cfg(ndev);
struct brcmf_cfg80211_security *sec;
struct brcmf_wsec_key key;
s32 val;
s32 err = 0;
s32 bssidx;
WL_CONN("key len (%d)\n", sme->key_len);
@ -1621,46 +1709,46 @@ brcmf_set_wep_sharedkey(struct net_device *ndev,
if (sec->wpa_versions & (NL80211_WPA_VERSION_1 | NL80211_WPA_VERSION_2))
return 0;
if (sec->cipher_pairwise &
(WLAN_CIPHER_SUITE_WEP40 | WLAN_CIPHER_SUITE_WEP104)) {
memset(&key, 0, sizeof(key));
key.len = (u32) sme->key_len;
key.index = (u32) sme->key_idx;
if (key.len > sizeof(key.data)) {
WL_ERR("Too long key length (%u)\n", key.len);
return -EINVAL;
}
memcpy(key.data, sme->key, key.len);
key.flags = BRCMF_PRIMARY_KEY;
switch (sec->cipher_pairwise) {
case WLAN_CIPHER_SUITE_WEP40:
key.algo = CRYPTO_ALGO_WEP1;
break;
case WLAN_CIPHER_SUITE_WEP104:
key.algo = CRYPTO_ALGO_WEP128;
break;
default:
WL_ERR("Invalid algorithm (%d)\n",
sme->crypto.ciphers_pairwise[0]);
return -EINVAL;
}
/* Set the new key/index */
WL_CONN("key length (%d) key index (%d) algo (%d)\n",
key.len, key.index, key.algo);
WL_CONN("key \"%s\"\n", key.data);
err = send_key_to_dongle(ndev, &key);
if (err)
return err;
if (!(sec->cipher_pairwise &
(WLAN_CIPHER_SUITE_WEP40 | WLAN_CIPHER_SUITE_WEP104)))
return 0;
if (sec->auth_type == NL80211_AUTHTYPE_OPEN_SYSTEM) {
WL_CONN("set auth_type to shared key\n");
val = 1; /* shared key */
err = brcmf_dev_intvar_set(ndev, "auth", val);
if (err) {
WL_ERR("set auth failed (%d)\n", err);
return err;
}
}
memset(&key, 0, sizeof(key));
key.len = (u32) sme->key_len;
key.index = (u32) sme->key_idx;
if (key.len > sizeof(key.data)) {
WL_ERR("Too long key length (%u)\n", key.len);
return -EINVAL;
}
memcpy(key.data, sme->key, key.len);
key.flags = BRCMF_PRIMARY_KEY;
switch (sec->cipher_pairwise) {
case WLAN_CIPHER_SUITE_WEP40:
key.algo = CRYPTO_ALGO_WEP1;
break;
case WLAN_CIPHER_SUITE_WEP104:
key.algo = CRYPTO_ALGO_WEP128;
break;
default:
WL_ERR("Invalid algorithm (%d)\n",
sme->crypto.ciphers_pairwise[0]);
return -EINVAL;
}
/* Set the new key/index */
WL_CONN("key length (%d) key index (%d) algo (%d)\n",
key.len, key.index, key.algo);
WL_CONN("key \"%s\"\n", key.data);
bssidx = brcmf_find_bssidx(cfg_priv, ndev);
err = send_key_to_dongle(cfg_priv, bssidx, ndev, &key);
if (err)
return err;
if (sec->auth_type == NL80211_AUTHTYPE_SHARED_KEY) {
WL_CONN("set auth_type to shared key\n");
val = WL_AUTH_SHARED_KEY; /* shared key */
err = brcmf_dev_intvar_set_bsscfg(ndev, "auth", val, bssidx);
if (err)
WL_ERR("set auth failed (%d)\n", err);
}
return err;
}
@ -1722,9 +1810,9 @@ brcmf_cfg80211_connect(struct wiphy *wiphy, struct net_device *ndev,
goto done;
}
err = brcmf_set_wep_sharedkey(ndev, sme);
err = brcmf_set_sharedkey(ndev, sme);
if (err) {
WL_ERR("brcmf_set_wep_sharedkey failed (%d)\n", err);
WL_ERR("brcmf_set_sharedkey failed (%d)\n", err);
goto done;
}
@ -1863,16 +1951,19 @@ static s32
brcmf_cfg80211_config_default_key(struct wiphy *wiphy, struct net_device *ndev,
u8 key_idx, bool unicast, bool multicast)
{
struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy);
u32 index;
u32 wsec;
s32 err = 0;
s32 bssidx;
WL_TRACE("Enter\n");
WL_CONN("key index (%d)\n", key_idx);
if (!check_sys_up(wiphy))
return -EIO;
err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_GET_WSEC, &wsec);
bssidx = brcmf_find_bssidx(cfg_priv, ndev);
err = brcmf_dev_intvar_get_bsscfg(ndev, "wsec", &wsec, bssidx);
if (err) {
WL_ERR("WLC_GET_WSEC error (%d)\n", err);
goto done;
@ -1895,9 +1986,11 @@ static s32
brcmf_add_keyext(struct wiphy *wiphy, struct net_device *ndev,
u8 key_idx, const u8 *mac_addr, struct key_params *params)
{
struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy);
struct brcmf_wsec_key key;
struct brcmf_wsec_key_le key_le;
s32 err = 0;
s32 bssidx;
memset(&key, 0, sizeof(key));
key.index = (u32) key_idx;
@ -1906,12 +1999,13 @@ brcmf_add_keyext(struct wiphy *wiphy, struct net_device *ndev,
if (!is_multicast_ether_addr(mac_addr))
memcpy((char *)&key.ea, (void *)mac_addr, ETH_ALEN);
key.len = (u32) params->key_len;
bssidx = brcmf_find_bssidx(cfg_priv, ndev);
/* check for key index change */
if (key.len == 0) {
/* key delete */
err = send_key_to_dongle(ndev, &key);
err = send_key_to_dongle(cfg_priv, bssidx, ndev, &key);
if (err)
return err;
WL_ERR("key delete error (%d)\n", err);
} else {
if (key.len > sizeof(key.data)) {
WL_ERR("Invalid key length (%d)\n", key.len);
@ -1967,12 +2061,12 @@ brcmf_add_keyext(struct wiphy *wiphy, struct net_device *ndev,
convert_key_from_CPU(&key, &key_le);
brcmf_netdev_wait_pend8021x(ndev);
err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_KEY, &key_le,
sizeof(key_le));
if (err) {
WL_ERR("WLC_SET_KEY error (%d)\n", err);
return err;
}
err = brcmf_dev_iovar_setbuf_bsscfg(ndev, "wsec_key", &key_le,
sizeof(key_le),
cfg_priv->extra_buf,
WL_EXTRA_BUF_MAX, bssidx);
if (err)
WL_ERR("wsec_key error (%d)\n", err);
}
return err;
}
@ -1982,11 +2076,13 @@ brcmf_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev,
u8 key_idx, bool pairwise, const u8 *mac_addr,
struct key_params *params)
{
struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy);
struct brcmf_wsec_key key;
s32 val;
s32 wsec;
s32 err = 0;
u8 keybuf[8];
s32 bssidx;
WL_TRACE("Enter\n");
WL_CONN("key index (%d)\n", key_idx);
@ -2013,10 +2109,12 @@ brcmf_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev,
switch (params->cipher) {
case WLAN_CIPHER_SUITE_WEP40:
key.algo = CRYPTO_ALGO_WEP1;
val = WEP_ENABLED;
WL_CONN("WLAN_CIPHER_SUITE_WEP40\n");
break;
case WLAN_CIPHER_SUITE_WEP104:
key.algo = CRYPTO_ALGO_WEP128;
val = WEP_ENABLED;
WL_CONN("WLAN_CIPHER_SUITE_WEP104\n");
break;
case WLAN_CIPHER_SUITE_TKIP:
@ -2024,14 +2122,17 @@ brcmf_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev,
memcpy(&key.data[24], &key.data[16], sizeof(keybuf));
memcpy(&key.data[16], keybuf, sizeof(keybuf));
key.algo = CRYPTO_ALGO_TKIP;
val = TKIP_ENABLED;
WL_CONN("WLAN_CIPHER_SUITE_TKIP\n");
break;
case WLAN_CIPHER_SUITE_AES_CMAC:
key.algo = CRYPTO_ALGO_AES_CCM;
val = AES_ENABLED;
WL_CONN("WLAN_CIPHER_SUITE_AES_CMAC\n");
break;
case WLAN_CIPHER_SUITE_CCMP:
key.algo = CRYPTO_ALGO_AES_CCM;
val = AES_ENABLED;
WL_CONN("WLAN_CIPHER_SUITE_CCMP\n");
break;
default:
@ -2040,28 +2141,23 @@ brcmf_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev,
goto done;
}
err = send_key_to_dongle(ndev, &key); /* Set the new key/index */
bssidx = brcmf_find_bssidx(cfg_priv, ndev);
err = send_key_to_dongle(cfg_priv, bssidx, ndev, &key);
if (err)
goto done;
val = WEP_ENABLED;
err = brcmf_dev_intvar_get(ndev, "wsec", &wsec);
err = brcmf_dev_intvar_get_bsscfg(ndev, "wsec", &wsec, bssidx);
if (err) {
WL_ERR("get wsec error (%d)\n", err);
goto done;
}
wsec &= ~(WEP_ENABLED);
wsec |= val;
err = brcmf_dev_intvar_set(ndev, "wsec", wsec);
err = brcmf_dev_intvar_set_bsscfg(ndev, "wsec", wsec, bssidx);
if (err) {
WL_ERR("set wsec error (%d)\n", err);
goto done;
}
val = 1; /* assume shared key. otherwise 0 */
err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_AUTH, &val);
if (err)
WL_ERR("WLC_SET_AUTH error (%d)\n", err);
done:
WL_TRACE("Exit\n");
return err;
@ -2071,10 +2167,10 @@ static s32
brcmf_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev,
u8 key_idx, bool pairwise, const u8 *mac_addr)
{
struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy);
struct brcmf_wsec_key key;
s32 err = 0;
s32 val;
s32 wsec;
s32 bssidx;
WL_TRACE("Enter\n");
if (!check_sys_up(wiphy))
@ -2089,7 +2185,8 @@ brcmf_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev,
WL_CONN("key index (%d)\n", key_idx);
/* Set the new key/index */
err = send_key_to_dongle(ndev, &key);
bssidx = brcmf_find_bssidx(cfg_priv, ndev);
err = send_key_to_dongle(cfg_priv, bssidx, ndev, &key);
if (err) {
if (err == -EINVAL) {
if (key.index >= DOT11_MAX_DEFAULT_KEYS)
@ -2098,35 +2195,8 @@ brcmf_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev,
}
/* Ignore this error, may happen during DISASSOC */
err = -EAGAIN;
goto done;
}
val = 0;
err = brcmf_dev_intvar_get(ndev, "wsec", &wsec);
if (err) {
WL_ERR("get wsec error (%d)\n", err);
/* Ignore this error, may happen during DISASSOC */
err = -EAGAIN;
goto done;
}
wsec &= ~(WEP_ENABLED);
wsec |= val;
err = brcmf_dev_intvar_set(ndev, "wsec", wsec);
if (err) {
WL_ERR("set wsec error (%d)\n", err);
/* Ignore this error, may happen during DISASSOC */
err = -EAGAIN;
goto done;
}
val = 0; /* assume open key. otherwise 1 */
err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_AUTH, &val);
if (err) {
WL_ERR("WLC_SET_AUTH error (%d)\n", err);
/* Ignore this error, may happen during DISASSOC */
err = -EAGAIN;
}
done:
WL_TRACE("Exit\n");
return err;
}
@ -2141,6 +2211,7 @@ brcmf_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev,
struct brcmf_cfg80211_security *sec;
s32 wsec;
s32 err = 0;
s32 bssidx;
WL_TRACE("Enter\n");
WL_CONN("key index (%d)\n", key_idx);
@ -2149,14 +2220,15 @@ brcmf_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev,
memset(&params, 0, sizeof(params));
err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_GET_WSEC, &wsec);
bssidx = brcmf_find_bssidx(cfg_priv, ndev);
err = brcmf_dev_intvar_get_bsscfg(ndev, "wsec", &wsec, bssidx);
if (err) {
WL_ERR("WLC_GET_WSEC error (%d)\n", err);
/* Ignore this error, may happen during DISASSOC */
err = -EAGAIN;
goto done;
}
switch (wsec) {
switch (wsec & ~SES_OW_ENABLED) {
case WEP_ENABLED:
sec = brcmf_read_prof(cfg_priv, WL_PROF_SEC);
if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP40) {

2
drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.h
View File

@ -130,6 +130,8 @@ do { \
#define WL_ESCAN_ACTION_CONTINUE 2
#define WL_ESCAN_ACTION_ABORT 3
#define WL_AUTH_SHARED_KEY 1 /* d11 shared authentication */
/* dongle status */
enum wl_status {
WL_STATUS_READY,