brcmf_set_sharedkey(struct net_device *ndev,
		    struct cfg80211_connect_params *sme)
{
	struct brcmf_if *ifp = netdev_priv(ndev);
	struct wiphy *wiphy = ifp->drvr->wiphy;
	struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
	struct brcmf_cfg80211_security *sec;
	struct brcmf_wsec_key key;
	s32 val;
	s32 err = 0;

	brcmf_dbg(CONN, "key len (%d)\n", sme->key_len);

	if (sme->key_len == 0)
		return 0;

	sec = &profile->sec;
	brcmf_dbg(CONN, "wpa_versions 0x%x cipher_pairwise 0x%x\n",
		  sec->wpa_versions, sec->cipher_pairwise);

	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)))
		return 0;

	memset(&key, 0, sizeof(key));
	key.len = (u32) sme->key_len;
	key.index = (u32) sme->key_idx;
	if (key.len > sizeof(key.data)) {
		bphy_err(wiphy, "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:
		bphy_err(wiphy, "Invalid algorithm (%d)\n",
			 sme->crypto.ciphers_pairwise[0]);
		return -EINVAL;
	}
	/* Set the new key/index */
	brcmf_dbg(CONN, "key length (%d) key index (%d) algo (%d)\n",
		  key.len, key.index, key.algo);
	brcmf_dbg(CONN, "key \"%s\"\n", key.data);
	err = send_key_to_dongle(ifp, &key);
	if (err)
		return err;

	if (sec->auth_type == NL80211_AUTHTYPE_SHARED_KEY) {
		brcmf_dbg(CONN, "set auth_type to shared key\n");
		val = WL_AUTH_SHARED_KEY;	/* shared key */
		err = brcmf_fil_bsscfg_int_set(ifp, "auth", val);
		if (err)
			bphy_err(wiphy, "set auth failed (%d)\n", err);
	}
	return err;
}
Unknown