1 // SPDX-License-Identifier: ISC
2 /*
3  * Copyright (c) 2022 Broadcom Corporation
4  */
5 #include <linux/errno.h>
6 #include <linux/types.h>
7 #include <core.h>
8 #include <bus.h>
9 #include <fwvid.h>
10 #include <fwil.h>
11 
12 #include "vops.h"
13 
14 static int brcmf_cyw_set_sae_pwd(struct brcmf_if *ifp,
15 				 struct cfg80211_crypto_settings *crypto)
16 {
17 	struct brcmf_pub *drvr = ifp->drvr;
18 	struct brcmf_wsec_sae_pwd_le sae_pwd;
19 	u16 pwd_len = crypto->sae_pwd_len;
20 	int err;
21 
22 	if (pwd_len > BRCMF_WSEC_MAX_SAE_PASSWORD_LEN) {
23 		bphy_err(drvr, "sae_password must be less than %d\n",
24 			 BRCMF_WSEC_MAX_SAE_PASSWORD_LEN);
25 		return -EINVAL;
26 	}
27 
28 	sae_pwd.key_len = cpu_to_le16(pwd_len);
29 	memcpy(sae_pwd.key, crypto->sae_pwd, pwd_len);
30 
31 	err = brcmf_fil_iovar_data_set(ifp, "sae_password", &sae_pwd,
32 				       sizeof(sae_pwd));
33 	if (err < 0)
34 		bphy_err(drvr, "failed to set SAE password in firmware (len=%u)\n",
35 			 pwd_len);
36 
37 	return err;
38 }
39 
40 const struct brcmf_fwvid_ops brcmf_cyw_ops = {
41 	.set_sae_password = brcmf_cyw_set_sae_pwd,
42 };
43