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|
// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
/* Copyright(c) 2019-2020 Realtek Corporation
*/
#include "cam.h"
#include "debug.h"
#include "fw.h"
#include "mac.h"
static struct sk_buff *
rtw89_cam_get_sec_key_cmd(struct rtw89_dev *rtwdev,
struct rtw89_sec_cam_entry *sec_cam,
bool ext_key)
{
struct sk_buff *skb;
u32 cmd_len = H2C_SEC_CAM_LEN;
u32 key32[4];
u8 *cmd;
int i, j;
skb = rtw89_fw_h2c_alloc_skb_with_hdr(rtwdev, cmd_len);
if (!skb)
return NULL;
skb_put_zero(skb, cmd_len);
for (i = 0; i < 4; i++) {
j = i * 4;
j += ext_key ? 16 : 0;
key32[i] = FIELD_PREP(GENMASK(7, 0), sec_cam->key[j + 0]) |
FIELD_PREP(GENMASK(15, 8), sec_cam->key[j + 1]) |
FIELD_PREP(GENMASK(23, 16), sec_cam->key[j + 2]) |
FIELD_PREP(GENMASK(31, 24), sec_cam->key[j + 3]);
}
cmd = skb->data;
RTW89_SET_FWCMD_SEC_IDX(cmd, sec_cam->sec_cam_idx + (ext_key ? 1 : 0));
RTW89_SET_FWCMD_SEC_OFFSET(cmd, sec_cam->offset);
RTW89_SET_FWCMD_SEC_LEN(cmd, sec_cam->len);
RTW89_SET_FWCMD_SEC_TYPE(cmd, sec_cam->type);
RTW89_SET_FWCMD_SEC_EXT_KEY(cmd, ext_key);
RTW89_SET_FWCMD_SEC_SPP_MODE(cmd, sec_cam->spp_mode);
RTW89_SET_FWCMD_SEC_KEY0(cmd, key32[0]);
RTW89_SET_FWCMD_SEC_KEY1(cmd, key32[1]);
RTW89_SET_FWCMD_SEC_KEY2(cmd, key32[2]);
RTW89_SET_FWCMD_SEC_KEY3(cmd, key32[3]);
return skb;
}
static int rtw89_cam_send_sec_key_cmd(struct rtw89_dev *rtwdev,
struct rtw89_sec_cam_entry *sec_cam)
{
struct sk_buff *skb, *ext_skb;
int ret;
skb = rtw89_cam_get_sec_key_cmd(rtwdev, sec_cam, false);
if (!skb) {
rtw89_err(rtwdev, "failed to get sec key command\n");
return -ENOMEM;
}
rtw89_h2c_pkt_set_hdr(rtwdev, skb,
FWCMD_TYPE_H2C,
H2C_CAT_MAC,
H2C_CL_MAC_SEC_CAM,
H2C_FUNC_MAC_SEC_UPD, 1, 0,
H2C_SEC_CAM_LEN);
ret = rtw89_h2c_tx(rtwdev, skb, false);
if (ret) {
rtw89_err(rtwdev, "failed to send sec key h2c: %d\n", ret);
dev_kfree_skb(skb);
return ret;
}
if (!sec_cam->ext_key)
return 0;
ext_skb = rtw89_cam_get_sec_key_cmd(rtwdev, sec_cam, true);
if (!ext_skb) {
rtw89_err(rtwdev, "failed to get ext sec key command\n");
return -ENOMEM;
}
rtw89_h2c_pkt_set_hdr(rtwdev, ext_skb,
FWCMD_TYPE_H2C,
H2C_CAT_MAC,
H2C_CL_MAC_SEC_CAM,
H2C_FUNC_MAC_SEC_UPD,
1, 0, H2C_SEC_CAM_LEN);
ret = rtw89_h2c_tx(rtwdev, ext_skb, false);
if (ret) {
rtw89_err(rtwdev, "failed to send ext sec key h2c: %d\n", ret);
dev_kfree_skb(ext_skb);
return ret;
}
return 0;
}
static int rtw89_cam_get_avail_sec_cam(struct rtw89_dev *rtwdev,
u8 *sec_cam_idx, bool ext_key)
{
const struct rtw89_chip_info *chip = rtwdev->chip;
struct rtw89_cam_info *cam_info = &rtwdev->cam_info;
u8 sec_cam_num = chip->scam_num;
u8 idx = 0;
if (!ext_key) {
idx = find_first_zero_bit(cam_info->sec_cam_map, sec_cam_num);
if (idx >= sec_cam_num)
return -EBUSY;
set_bit(idx, cam_info->sec_cam_map);
*sec_cam_idx = idx;
return 0;
}
again:
idx = find_next_zero_bit(cam_info->sec_cam_map, sec_cam_num, idx);
if (idx >= sec_cam_num - 1)
return -EBUSY;
/* ext keys need two cam entries for 256-bit key */
if (test_bit(idx + 1, cam_info->sec_cam_map)) {
idx++;
goto again;
}
set_bit(idx, cam_info->sec_cam_map);
set_bit(idx + 1, cam_info->sec_cam_map);
*sec_cam_idx = idx;
return 0;
}
static int rtw89_cam_get_addr_cam_key_idx(struct rtw89_addr_cam_entry *addr_cam,
struct rtw89_sec_cam_entry *sec_cam,
struct ieee80211_key_conf *key,
u8 *key_idx)
{
u8 idx;
/* RTW89_ADDR_CAM_SEC_NONE : not enabled
* RTW89_ADDR_CAM_SEC_ALL_UNI : 0 - 6 unicast
* RTW89_ADDR_CAM_SEC_NORMAL : 0 - 1 unicast, 2 - 4 group, 5 - 6 BIP
* RTW89_ADDR_CAM_SEC_4GROUP : 0 - 1 unicast, 2 - 5 group, 6 BIP
*/
switch (addr_cam->sec_ent_mode) {
case RTW89_ADDR_CAM_SEC_NONE:
return -EINVAL;
case RTW89_ADDR_CAM_SEC_ALL_UNI:
if (!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
return -EINVAL;
idx = find_first_zero_bit(addr_cam->sec_cam_map,
RTW89_SEC_CAM_IN_ADDR_CAM);
if (idx >= RTW89_SEC_CAM_IN_ADDR_CAM)
return -EBUSY;
*key_idx = idx;
break;
case RTW89_ADDR_CAM_SEC_NORMAL:
if (sec_cam->type == RTW89_SEC_KEY_TYPE_BIP_CCMP128) {
idx = find_next_zero_bit(addr_cam->sec_cam_map,
RTW89_SEC_CAM_IN_ADDR_CAM, 5);
if (idx > 6)
return -EBUSY;
*key_idx = idx;
break;
}
if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) {
idx = find_next_zero_bit(addr_cam->sec_cam_map,
RTW89_SEC_CAM_IN_ADDR_CAM, 0);
if (idx > 1)
return -EBUSY;
*key_idx = idx;
break;
}
/* Group keys */
idx = find_next_zero_bit(addr_cam->sec_cam_map,
RTW89_SEC_CAM_IN_ADDR_CAM, 2);
if (idx > 4)
return -EBUSY;
*key_idx = idx;
break;
case RTW89_ADDR_CAM_SEC_4GROUP:
if (sec_cam->type == RTW89_SEC_KEY_TYPE_BIP_CCMP128) {
if (test_bit(6, addr_cam->sec_cam_map))
return -EINVAL;
*key_idx = 6;
break;
}
if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) {
idx = find_next_zero_bit(addr_cam->sec_cam_map,
RTW89_SEC_CAM_IN_ADDR_CAM, 0);
if (idx > 1)
return -EBUSY;
*key_idx = idx;
break;
}
/* Group keys */
idx = find_next_zero_bit(addr_cam->sec_cam_map,
RTW89_SEC_CAM_IN_ADDR_CAM, 2);
if (idx > 5)
return -EBUSY;
*key_idx = idx;
break;
}
return 0;
}
static int rtw89_cam_attach_sec_cam(struct rtw89_dev *rtwdev,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
struct ieee80211_key_conf *key,
struct rtw89_sec_cam_entry *sec_cam)
{
struct rtw89_sta *rtwsta = sta_to_rtwsta_safe(sta);
struct rtw89_vif *rtwvif;
struct rtw89_addr_cam_entry *addr_cam;
u8 key_idx = 0;
int ret;
if (!vif) {
rtw89_err(rtwdev, "No iface for adding sec cam\n");
return -EINVAL;
}
rtwvif = (struct rtw89_vif *)vif->drv_priv;
addr_cam = rtw89_get_addr_cam_of(rtwvif, rtwsta);
ret = rtw89_cam_get_addr_cam_key_idx(addr_cam, sec_cam, key, &key_idx);
if (ret) {
rtw89_err(rtwdev, "failed to get addr cam key idx %d, %d\n",
addr_cam->sec_ent_mode, sec_cam->type);
return ret;
}
key->hw_key_idx = key_idx;
addr_cam->sec_ent_keyid[key_idx] = key->keyidx;
addr_cam->sec_ent[key_idx] = sec_cam->sec_cam_idx;
addr_cam->sec_entries[key_idx] = sec_cam;
set_bit(key_idx, addr_cam->sec_cam_map);
ret = rtw89_chip_h2c_dctl_sec_cam(rtwdev, rtwvif, rtwsta);
if (ret) {
rtw89_err(rtwdev, "failed to update dctl cam sec entry: %d\n",
ret);
return ret;
}
ret = rtw89_fw_h2c_cam(rtwdev, rtwvif, rtwsta, NULL);
if (ret) {
rtw89_err(rtwdev, "failed to update addr cam sec entry: %d\n",
ret);
clear_bit(key_idx, addr_cam->sec_cam_map);
addr_cam->sec_entries[key_idx] = NULL;
return ret;
}
return 0;
}
static int rtw89_cam_sec_key_install(struct rtw89_dev *rtwdev,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
struct ieee80211_key_conf *key,
u8 hw_key_type, bool ext_key)
{
struct rtw89_sec_cam_entry *sec_cam = NULL;
struct rtw89_cam_info *cam_info = &rtwdev->cam_info;
u8 sec_cam_idx;
int ret;
/* maximum key length 256-bit */
if (key->keylen > 32) {
rtw89_err(rtwdev, "invalid sec key length %d\n", key->keylen);
return -EINVAL;
}
ret = rtw89_cam_get_avail_sec_cam(rtwdev, &sec_cam_idx, ext_key);
if (ret) {
rtw89_warn(rtwdev, "no available sec cam: %d ext: %d\n",
ret, ext_key);
return ret;
}
sec_cam = kzalloc(sizeof(*sec_cam), GFP_KERNEL);
if (!sec_cam) {
ret = -ENOMEM;
goto err_release_cam;
}
sec_cam->sec_cam_idx = sec_cam_idx;
sec_cam->type = hw_key_type;
sec_cam->len = RTW89_SEC_CAM_LEN;
sec_cam->ext_key = ext_key;
memcpy(sec_cam->key, key->key, key->keylen);
ret = rtw89_cam_send_sec_key_cmd(rtwdev, sec_cam);
if (ret) {
rtw89_err(rtwdev, "failed to send sec key cmd: %d\n", ret);
goto err_release_cam;
}
/* associate with addr cam */
ret = rtw89_cam_attach_sec_cam(rtwdev, vif, sta, key, sec_cam);
if (ret) {
rtw89_err(rtwdev, "failed to attach sec cam: %d\n", ret);
goto err_release_cam;
}
return 0;
err_release_cam:
kfree(sec_cam);
clear_bit(sec_cam_idx, cam_info->sec_cam_map);
if (ext_key)
clear_bit(sec_cam_idx + 1, cam_info->sec_cam_map);
return ret;
}
int rtw89_cam_sec_key_add(struct rtw89_dev *rtwdev,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
struct ieee80211_key_conf *key)
{
const struct rtw89_chip_info *chip = rtwdev->chip;
u8 hw_key_type;
bool ext_key = false;
int ret;
switch (key->cipher) {
case WLAN_CIPHER_SUITE_WEP40:
hw_key_type = RTW89_SEC_KEY_TYPE_WEP40;
break;
case WLAN_CIPHER_SUITE_WEP104:
hw_key_type = RTW89_SEC_KEY_TYPE_WEP104;
break;
case WLAN_CIPHER_SUITE_CCMP:
hw_key_type = RTW89_SEC_KEY_TYPE_CCMP128;
key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX;
break;
case WLAN_CIPHER_SUITE_CCMP_256:
hw_key_type = RTW89_SEC_KEY_TYPE_CCMP256;
key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX;
ext_key = true;
break;
case WLAN_CIPHER_SUITE_GCMP:
hw_key_type = RTW89_SEC_KEY_TYPE_GCMP128;
key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX;
break;
case WLAN_CIPHER_SUITE_GCMP_256:
hw_key_type = RTW89_SEC_KEY_TYPE_GCMP256;
key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX;
ext_key = true;
break;
default:
return -EOPNOTSUPP;
}
if (!chip->hw_sec_hdr)
key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
ret = rtw89_cam_sec_key_install(rtwdev, vif, sta, key, hw_key_type,
ext_key);
if (ret) {
rtw89_err(rtwdev, "failed to install key type %d ext %d: %d\n",
hw_key_type, ext_key, ret);
return ret;
}
return 0;
}
int rtw89_cam_sec_key_del(struct rtw89_dev *rtwdev,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
struct ieee80211_key_conf *key,
bool inform_fw)
{
struct rtw89_sta *rtwsta = sta_to_rtwsta_safe(sta);
struct rtw89_cam_info *cam_info = &rtwdev->cam_info;
struct rtw89_vif *rtwvif;
struct rtw89_addr_cam_entry *addr_cam;
struct rtw89_sec_cam_entry *sec_cam;
u8 key_idx = key->hw_key_idx;
u8 sec_cam_idx;
int ret = 0;
if (!vif) {
rtw89_err(rtwdev, "No iface for deleting sec cam\n");
return -EINVAL;
}
rtwvif = (struct rtw89_vif *)vif->drv_priv;
addr_cam = rtw89_get_addr_cam_of(rtwvif, rtwsta);
sec_cam = addr_cam->sec_entries[key_idx];
if (!sec_cam)
return -EINVAL;
/* detach sec cam from addr cam */
clear_bit(key_idx, addr_cam->sec_cam_map);
addr_cam->sec_entries[key_idx] = NULL;
if (inform_fw) {
ret = rtw89_chip_h2c_dctl_sec_cam(rtwdev, rtwvif, rtwsta);
if (ret)
rtw89_err(rtwdev, "failed to update dctl cam del key: %d\n", ret);
ret = rtw89_fw_h2c_cam(rtwdev, rtwvif, rtwsta, NULL);
if (ret)
rtw89_err(rtwdev, "failed to update cam del key: %d\n", ret);
}
/* clear valid bit in addr cam will disable sec cam,
* so we don't need to send H2C command again
*/
sec_cam_idx = sec_cam->sec_cam_idx;
clear_bit(sec_cam_idx, cam_info->sec_cam_map);
if (sec_cam->ext_key)
clear_bit(sec_cam_idx + 1, cam_info->sec_cam_map);
kfree(sec_cam);
return ret;
}
static void rtw89_cam_reset_key_iter(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
struct ieee80211_key_conf *key,
void *data)
{
struct rtw89_dev *rtwdev = (struct rtw89_dev *)data;
rtw89_cam_sec_key_del(rtwdev, vif, sta, key, false);
}
void rtw89_cam_deinit_addr_cam(struct rtw89_dev *rtwdev,
struct rtw89_addr_cam_entry *addr_cam)
{
struct rtw89_cam_info *cam_info = &rtwdev->cam_info;
addr_cam->valid = false;
clear_bit(addr_cam->addr_cam_idx, cam_info->addr_cam_map);
}
void rtw89_cam_deinit_bssid_cam(struct rtw89_dev *rtwdev,
struct rtw89_bssid_cam_entry *bssid_cam)
{
struct rtw89_cam_info *cam_info = &rtwdev->cam_info;
bssid_cam->valid = false;
clear_bit(bssid_cam->bssid_cam_idx, cam_info->bssid_cam_map);
}
void rtw89_cam_deinit(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwvif)
{
struct rtw89_addr_cam_entry *addr_cam = &rtwvif->addr_cam;
struct rtw89_bssid_cam_entry *bssid_cam = &rtwvif->bssid_cam;
rtw89_cam_deinit_addr_cam(rtwdev, addr_cam);
rtw89_cam_deinit_bssid_cam(rtwdev, bssid_cam);
}
void rtw89_cam_reset_keys(struct rtw89_dev *rtwdev)
{
rcu_read_lock();
ieee80211_iter_keys_rcu(rtwdev->hw, NULL, rtw89_cam_reset_key_iter, rtwdev);
rcu_read_unlock();
}
static int rtw89_cam_get_avail_addr_cam(struct rtw89_dev *rtwdev,
u8 *addr_cam_idx)
{
const struct rtw89_chip_info *chip = rtwdev->chip;
struct rtw89_cam_info *cam_info = &rtwdev->cam_info;
u8 addr_cam_num = chip->acam_num;
u8 idx;
idx = find_first_zero_bit(cam_info->addr_cam_map, addr_cam_num);
if (idx >= addr_cam_num)
return -EBUSY;
set_bit(idx, cam_info->addr_cam_map);
*addr_cam_idx = idx;
return 0;
}
static u8 rtw89_get_addr_cam_entry_size(struct rtw89_dev *rtwdev)
{
const struct rtw89_chip_info *chip = rtwdev->chip;
switch (chip->chip_id) {
case RTL8852A:
case RTL8852B:
case RTL8851B:
return ADDR_CAM_ENT_SIZE;
default:
return ADDR_CAM_ENT_SHORT_SIZE;
}
}
int rtw89_cam_init_addr_cam(struct rtw89_dev *rtwdev,
struct rtw89_addr_cam_entry *addr_cam,
const struct rtw89_bssid_cam_entry *bssid_cam)
{
u8 addr_cam_idx;
int i;
int ret;
if (unlikely(addr_cam->valid)) {
rtw89_debug(rtwdev, RTW89_DBG_FW,
"addr cam is already valid; skip init\n");
return 0;
}
ret = rtw89_cam_get_avail_addr_cam(rtwdev, &addr_cam_idx);
if (ret) {
rtw89_err(rtwdev, "failed to get available addr cam\n");
return ret;
}
addr_cam->addr_cam_idx = addr_cam_idx;
addr_cam->len = rtw89_get_addr_cam_entry_size(rtwdev);
addr_cam->offset = 0;
addr_cam->valid = true;
addr_cam->addr_mask = 0;
addr_cam->mask_sel = RTW89_NO_MSK;
addr_cam->sec_ent_mode = RTW89_ADDR_CAM_SEC_NORMAL;
bitmap_zero(addr_cam->sec_cam_map, RTW89_SEC_CAM_IN_ADDR_CAM);
for (i = 0; i < RTW89_SEC_CAM_IN_ADDR_CAM; i++) {
addr_cam->sec_ent_keyid[i] = 0;
addr_cam->sec_ent[i] = 0;
}
/* associate addr cam with bssid cam */
addr_cam->bssid_cam_idx = bssid_cam->bssid_cam_idx;
return 0;
}
static int rtw89_cam_get_avail_bssid_cam(struct rtw89_dev *rtwdev,
u8 *bssid_cam_idx)
{
const struct rtw89_chip_info *chip = rtwdev->chip;
struct rtw89_cam_info *cam_info = &rtwdev->cam_info;
u8 bssid_cam_num = chip->bcam_num;
u8 idx;
idx = find_first_zero_bit(cam_info->bssid_cam_map, bssid_cam_num);
if (idx >= bssid_cam_num)
return -EBUSY;
set_bit(idx, cam_info->bssid_cam_map);
*bssid_cam_idx = idx;
return 0;
}
int rtw89_cam_init_bssid_cam(struct rtw89_dev *rtwdev,
struct rtw89_vif *rtwvif,
struct rtw89_bssid_cam_entry *bssid_cam,
const u8 *bssid)
{
u8 bssid_cam_idx;
int ret;
if (unlikely(bssid_cam->valid)) {
rtw89_debug(rtwdev, RTW89_DBG_FW,
"bssid cam is already valid; skip init\n");
return 0;
}
ret = rtw89_cam_get_avail_bssid_cam(rtwdev, &bssid_cam_idx);
if (ret) {
rtw89_err(rtwdev, "failed to get available bssid cam\n");
return ret;
}
bssid_cam->bssid_cam_idx = bssid_cam_idx;
bssid_cam->phy_idx = rtwvif->phy_idx;
bssid_cam->len = BSSID_CAM_ENT_SIZE;
bssid_cam->offset = 0;
bssid_cam->valid = true;
ether_addr_copy(bssid_cam->bssid, bssid);
return 0;
}
void rtw89_cam_bssid_changed(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwvif)
{
struct rtw89_bssid_cam_entry *bssid_cam = &rtwvif->bssid_cam;
ether_addr_copy(bssid_cam->bssid, rtwvif->bssid);
}
int rtw89_cam_init(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwvif)
{
struct rtw89_addr_cam_entry *addr_cam = &rtwvif->addr_cam;
struct rtw89_bssid_cam_entry *bssid_cam = &rtwvif->bssid_cam;
int ret;
ret = rtw89_cam_init_bssid_cam(rtwdev, rtwvif, bssid_cam, rtwvif->bssid);
if (ret) {
rtw89_err(rtwdev, "failed to init bssid cam\n");
return ret;
}
ret = rtw89_cam_init_addr_cam(rtwdev, addr_cam, bssid_cam);
if (ret) {
rtw89_err(rtwdev, "failed to init addr cam\n");
return ret;
}
return 0;
}
int rtw89_cam_fill_bssid_cam_info(struct rtw89_dev *rtwdev,
struct rtw89_vif *rtwvif,
struct rtw89_sta *rtwsta, u8 *cmd)
{
struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif);
struct rtw89_bssid_cam_entry *bssid_cam = rtw89_get_bssid_cam_of(rtwvif, rtwsta);
u8 bss_color = vif->bss_conf.he_bss_color.color;
u8 bss_mask;
if (vif->bss_conf.nontransmitted)
bss_mask = RTW89_BSSID_MATCH_5_BYTES;
else
bss_mask = RTW89_BSSID_MATCH_ALL;
FWCMD_SET_ADDR_BSSID_IDX(cmd, bssid_cam->bssid_cam_idx);
FWCMD_SET_ADDR_BSSID_OFFSET(cmd, bssid_cam->offset);
FWCMD_SET_ADDR_BSSID_LEN(cmd, bssid_cam->len);
FWCMD_SET_ADDR_BSSID_VALID(cmd, bssid_cam->valid);
FWCMD_SET_ADDR_BSSID_MASK(cmd, bss_mask);
FWCMD_SET_ADDR_BSSID_BB_SEL(cmd, bssid_cam->phy_idx);
FWCMD_SET_ADDR_BSSID_BSS_COLOR(cmd, bss_color);
FWCMD_SET_ADDR_BSSID_BSSID0(cmd, bssid_cam->bssid[0]);
FWCMD_SET_ADDR_BSSID_BSSID1(cmd, bssid_cam->bssid[1]);
FWCMD_SET_ADDR_BSSID_BSSID2(cmd, bssid_cam->bssid[2]);
FWCMD_SET_ADDR_BSSID_BSSID3(cmd, bssid_cam->bssid[3]);
FWCMD_SET_ADDR_BSSID_BSSID4(cmd, bssid_cam->bssid[4]);
FWCMD_SET_ADDR_BSSID_BSSID5(cmd, bssid_cam->bssid[5]);
return 0;
}
static u8 rtw89_cam_addr_hash(u8 start, const u8 *addr)
{
u8 hash = 0;
u8 i;
for (i = start; i < ETH_ALEN; i++)
hash ^= addr[i];
return hash;
}
void rtw89_cam_fill_addr_cam_info(struct rtw89_dev *rtwdev,
struct rtw89_vif *rtwvif,
struct rtw89_sta *rtwsta,
const u8 *scan_mac_addr,
u8 *cmd)
{
struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif);
struct rtw89_addr_cam_entry *addr_cam = rtw89_get_addr_cam_of(rtwvif, rtwsta);
struct ieee80211_sta *sta = rtwsta_to_sta_safe(rtwsta);
const u8 *sma = scan_mac_addr ? scan_mac_addr : rtwvif->mac_addr;
u8 sma_hash, tma_hash, addr_msk_start;
u8 sma_start = 0;
u8 tma_start = 0;
u8 *tma = sta ? sta->addr : rtwvif->bssid;
if (addr_cam->addr_mask != 0) {
addr_msk_start = __ffs(addr_cam->addr_mask);
if (addr_cam->mask_sel == RTW89_SMA)
sma_start = addr_msk_start;
else if (addr_cam->mask_sel == RTW89_TMA)
tma_start = addr_msk_start;
}
sma_hash = rtw89_cam_addr_hash(sma_start, sma);
tma_hash = rtw89_cam_addr_hash(tma_start, tma);
FWCMD_SET_ADDR_IDX(cmd, addr_cam->addr_cam_idx);
FWCMD_SET_ADDR_OFFSET(cmd, addr_cam->offset);
FWCMD_SET_ADDR_LEN(cmd, addr_cam->len);
FWCMD_SET_ADDR_VALID(cmd, addr_cam->valid);
FWCMD_SET_ADDR_NET_TYPE(cmd, rtwvif->net_type);
FWCMD_SET_ADDR_BCN_HIT_COND(cmd, rtwvif->bcn_hit_cond);
FWCMD_SET_ADDR_HIT_RULE(cmd, rtwvif->hit_rule);
FWCMD_SET_ADDR_BB_SEL(cmd, rtwvif->phy_idx);
FWCMD_SET_ADDR_ADDR_MASK(cmd, addr_cam->addr_mask);
FWCMD_SET_ADDR_MASK_SEL(cmd, addr_cam->mask_sel);
FWCMD_SET_ADDR_SMA_HASH(cmd, sma_hash);
FWCMD_SET_ADDR_TMA_HASH(cmd, tma_hash);
FWCMD_SET_ADDR_BSSID_CAM_IDX(cmd, addr_cam->bssid_cam_idx);
FWCMD_SET_ADDR_SMA0(cmd, sma[0]);
FWCMD_SET_ADDR_SMA1(cmd, sma[1]);
FWCMD_SET_ADDR_SMA2(cmd, sma[2]);
FWCMD_SET_ADDR_SMA3(cmd, sma[3]);
FWCMD_SET_ADDR_SMA4(cmd, sma[4]);
FWCMD_SET_ADDR_SMA5(cmd, sma[5]);
FWCMD_SET_ADDR_TMA0(cmd, tma[0]);
FWCMD_SET_ADDR_TMA1(cmd, tma[1]);
FWCMD_SET_ADDR_TMA2(cmd, tma[2]);
FWCMD_SET_ADDR_TMA3(cmd, tma[3]);
FWCMD_SET_ADDR_TMA4(cmd, tma[4]);
FWCMD_SET_ADDR_TMA5(cmd, tma[5]);
FWCMD_SET_ADDR_PORT_INT(cmd, rtwvif->port);
FWCMD_SET_ADDR_TSF_SYNC(cmd, rtwvif->port);
FWCMD_SET_ADDR_TF_TRS(cmd, rtwvif->trigger);
FWCMD_SET_ADDR_LSIG_TXOP(cmd, rtwvif->lsig_txop);
FWCMD_SET_ADDR_TGT_IND(cmd, rtwvif->tgt_ind);
FWCMD_SET_ADDR_FRM_TGT_IND(cmd, rtwvif->frm_tgt_ind);
FWCMD_SET_ADDR_MACID(cmd, rtwsta ? rtwsta->mac_id : rtwvif->mac_id);
if (rtwvif->net_type == RTW89_NET_TYPE_INFRA)
FWCMD_SET_ADDR_AID12(cmd, vif->cfg.aid & 0xfff);
else if (rtwvif->net_type == RTW89_NET_TYPE_AP_MODE)
FWCMD_SET_ADDR_AID12(cmd, sta ? sta->aid & 0xfff : 0);
FWCMD_SET_ADDR_WOL_PATTERN(cmd, rtwvif->wowlan_pattern);
FWCMD_SET_ADDR_WOL_UC(cmd, rtwvif->wowlan_uc);
FWCMD_SET_ADDR_WOL_MAGIC(cmd, rtwvif->wowlan_magic);
FWCMD_SET_ADDR_WAPI(cmd, addr_cam->wapi);
FWCMD_SET_ADDR_SEC_ENT_MODE(cmd, addr_cam->sec_ent_mode);
FWCMD_SET_ADDR_SEC_ENT0_KEYID(cmd, addr_cam->sec_ent_keyid[0]);
FWCMD_SET_ADDR_SEC_ENT1_KEYID(cmd, addr_cam->sec_ent_keyid[1]);
FWCMD_SET_ADDR_SEC_ENT2_KEYID(cmd, addr_cam->sec_ent_keyid[2]);
FWCMD_SET_ADDR_SEC_ENT3_KEYID(cmd, addr_cam->sec_ent_keyid[3]);
FWCMD_SET_ADDR_SEC_ENT4_KEYID(cmd, addr_cam->sec_ent_keyid[4]);
FWCMD_SET_ADDR_SEC_ENT5_KEYID(cmd, addr_cam->sec_ent_keyid[5]);
FWCMD_SET_ADDR_SEC_ENT6_KEYID(cmd, addr_cam->sec_ent_keyid[6]);
FWCMD_SET_ADDR_SEC_ENT_VALID(cmd, addr_cam->sec_cam_map[0] & 0xff);
FWCMD_SET_ADDR_SEC_ENT0(cmd, addr_cam->sec_ent[0]);
FWCMD_SET_ADDR_SEC_ENT1(cmd, addr_cam->sec_ent[1]);
FWCMD_SET_ADDR_SEC_ENT2(cmd, addr_cam->sec_ent[2]);
FWCMD_SET_ADDR_SEC_ENT3(cmd, addr_cam->sec_ent[3]);
FWCMD_SET_ADDR_SEC_ENT4(cmd, addr_cam->sec_ent[4]);
FWCMD_SET_ADDR_SEC_ENT5(cmd, addr_cam->sec_ent[5]);
FWCMD_SET_ADDR_SEC_ENT6(cmd, addr_cam->sec_ent[6]);
}
void rtw89_cam_fill_dctl_sec_cam_info_v1(struct rtw89_dev *rtwdev,
struct rtw89_vif *rtwvif,
struct rtw89_sta *rtwsta,
u8 *cmd)
{
struct rtw89_addr_cam_entry *addr_cam = rtw89_get_addr_cam_of(rtwvif, rtwsta);
SET_DCTL_MACID_V1(cmd, rtwsta ? rtwsta->mac_id : rtwvif->mac_id);
SET_DCTL_OPERATION_V1(cmd, 1);
SET_DCTL_SEC_ENT0_KEYID_V1(cmd, addr_cam->sec_ent_keyid[0]);
SET_DCTL_SEC_ENT1_KEYID_V1(cmd, addr_cam->sec_ent_keyid[1]);
SET_DCTL_SEC_ENT2_KEYID_V1(cmd, addr_cam->sec_ent_keyid[2]);
SET_DCTL_SEC_ENT3_KEYID_V1(cmd, addr_cam->sec_ent_keyid[3]);
SET_DCTL_SEC_ENT4_KEYID_V1(cmd, addr_cam->sec_ent_keyid[4]);
SET_DCTL_SEC_ENT5_KEYID_V1(cmd, addr_cam->sec_ent_keyid[5]);
SET_DCTL_SEC_ENT6_KEYID_V1(cmd, addr_cam->sec_ent_keyid[6]);
SET_DCTL_SEC_ENT_VALID_V1(cmd, addr_cam->sec_cam_map[0] & 0xff);
SET_DCTL_SEC_ENT0_V1(cmd, addr_cam->sec_ent[0]);
SET_DCTL_SEC_ENT1_V1(cmd, addr_cam->sec_ent[1]);
SET_DCTL_SEC_ENT2_V1(cmd, addr_cam->sec_ent[2]);
SET_DCTL_SEC_ENT3_V1(cmd, addr_cam->sec_ent[3]);
SET_DCTL_SEC_ENT4_V1(cmd, addr_cam->sec_ent[4]);
SET_DCTL_SEC_ENT5_V1(cmd, addr_cam->sec_ent[5]);
SET_DCTL_SEC_ENT6_V1(cmd, addr_cam->sec_ent[6]);
}
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