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path: root/drivers/net/wireless/ath/wcn36xx/smd.c
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Diffstat (limited to 'drivers/net/wireless/ath/wcn36xx/smd.c')
-rw-r--r--drivers/net/wireless/ath/wcn36xx/smd.c282
1 files changed, 206 insertions, 76 deletions
diff --git a/drivers/net/wireless/ath/wcn36xx/smd.c b/drivers/net/wireless/ath/wcn36xx/smd.c
index ed45e2cf039b..566f0b9c1584 100644
--- a/drivers/net/wireless/ath/wcn36xx/smd.c
+++ b/drivers/net/wireless/ath/wcn36xx/smd.c
@@ -22,6 +22,7 @@
#include <linux/bitops.h>
#include <linux/rpmsg.h>
#include "smd.h"
+#include "firmware.h"
struct wcn36xx_cfg_val {
u32 cfg_id;
@@ -208,9 +209,9 @@ static void wcn36xx_smd_set_bss_nw_type(struct wcn36xx *wcn,
{
if (NL80211_BAND_5GHZ == WCN36XX_BAND(wcn))
bss_params->nw_type = WCN36XX_HAL_11A_NW_TYPE;
- else if (sta && sta->ht_cap.ht_supported)
+ else if (sta && sta->deflink.ht_cap.ht_supported)
bss_params->nw_type = WCN36XX_HAL_11N_NW_TYPE;
- else if (sta && (sta->supp_rates[NL80211_BAND_2GHZ] & 0x7f))
+ else if (sta && (sta->deflink.supp_rates[NL80211_BAND_2GHZ] & 0x7f))
bss_params->nw_type = WCN36XX_HAL_11G_NW_TYPE;
else
bss_params->nw_type = WCN36XX_HAL_11B_NW_TYPE;
@@ -225,9 +226,10 @@ static void wcn36xx_smd_set_bss_ht_params(struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
struct wcn36xx_hal_config_bss_params *bss_params)
{
- if (sta && sta->ht_cap.ht_supported) {
- unsigned long caps = sta->ht_cap.cap;
- bss_params->ht = sta->ht_cap.ht_supported;
+ if (sta && sta->deflink.ht_cap.ht_supported) {
+ unsigned long caps = sta->deflink.ht_cap.cap;
+
+ bss_params->ht = sta->deflink.ht_cap.ht_supported;
bss_params->tx_channel_width_set = is_cap_supported(caps,
IEEE80211_HT_CAP_SUP_WIDTH_20_40);
bss_params->lsig_tx_op_protection_full_support =
@@ -250,23 +252,24 @@ wcn36xx_smd_set_bss_vht_params(struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
struct wcn36xx_hal_config_bss_params_v1 *bss)
{
- if (sta && sta->vht_cap.vht_supported)
+ if (sta && sta->deflink.vht_cap.vht_supported)
bss->vht_capable = 1;
}
static void wcn36xx_smd_set_sta_ht_params(struct ieee80211_sta *sta,
struct wcn36xx_hal_config_sta_params *sta_params)
{
- if (sta->ht_cap.ht_supported) {
- unsigned long caps = sta->ht_cap.cap;
- sta_params->ht_capable = sta->ht_cap.ht_supported;
+ if (sta->deflink.ht_cap.ht_supported) {
+ unsigned long caps = sta->deflink.ht_cap.cap;
+
+ sta_params->ht_capable = sta->deflink.ht_cap.ht_supported;
sta_params->tx_channel_width_set = is_cap_supported(caps,
IEEE80211_HT_CAP_SUP_WIDTH_20_40);
sta_params->lsig_txop_protection = is_cap_supported(caps,
IEEE80211_HT_CAP_LSIG_TXOP_PROT);
- sta_params->max_ampdu_size = sta->ht_cap.ampdu_factor;
- sta_params->max_ampdu_density = sta->ht_cap.ampdu_density;
+ sta_params->max_ampdu_size = sta->deflink.ht_cap.ampdu_factor;
+ sta_params->max_ampdu_density = sta->deflink.ht_cap.ampdu_density;
/* max_amsdu_size: 1 : 3839 bytes, 0 : 7935 bytes (max) */
sta_params->max_amsdu_size = !is_cap_supported(caps,
IEEE80211_HT_CAP_MAX_AMSDU);
@@ -287,13 +290,13 @@ static void wcn36xx_smd_set_sta_vht_params(struct wcn36xx *wcn,
struct ieee80211_sta *sta,
struct wcn36xx_hal_config_sta_params_v1 *sta_params)
{
- if (sta->vht_cap.vht_supported) {
- unsigned long caps = sta->vht_cap.cap;
+ if (sta->deflink.vht_cap.vht_supported) {
+ unsigned long caps = sta->deflink.vht_cap.cap;
- sta_params->vht_capable = sta->vht_cap.vht_supported;
+ sta_params->vht_capable = sta->deflink.vht_cap.vht_supported;
sta_params->vht_ldpc_enabled =
is_cap_supported(caps, IEEE80211_VHT_CAP_RXLDPC);
- if (get_feat_caps(wcn->fw_feat_caps, MU_MIMO)) {
+ if (wcn36xx_firmware_get_feat_caps(wcn->fw_feat_caps, MU_MIMO)) {
sta_params->vht_tx_mu_beamformee_capable =
is_cap_supported(caps, IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE);
if (sta_params->vht_tx_mu_beamformee_capable)
@@ -308,9 +311,10 @@ static void wcn36xx_smd_set_sta_vht_params(struct wcn36xx *wcn,
static void wcn36xx_smd_set_sta_ht_ldpc_params(struct ieee80211_sta *sta,
struct wcn36xx_hal_config_sta_params_v1 *sta_params)
{
- if (sta->ht_cap.ht_supported) {
+ if (sta->deflink.ht_cap.ht_supported) {
sta_params->ht_ldpc_enabled =
- is_cap_supported(sta->ht_cap.cap, IEEE80211_HT_CAP_LDPC_CODING);
+ is_cap_supported(sta->deflink.ht_cap.cap,
+ IEEE80211_HT_CAP_LDPC_CODING);
}
}
@@ -722,6 +726,7 @@ int wcn36xx_smd_init_scan(struct wcn36xx *wcn, enum wcn36xx_hal_sys_mode mode,
wcn36xx_err("hal_init_scan response failed err=%d\n", ret);
goto out;
}
+ wcn->sw_scan_init = true;
out:
mutex_unlock(&wcn->hal_mutex);
return ret;
@@ -752,6 +757,7 @@ int wcn36xx_smd_start_scan(struct wcn36xx *wcn, u8 scan_channel)
wcn36xx_err("hal_start_scan response failed err=%d\n", ret);
goto out;
}
+ wcn->sw_scan_channel = scan_channel;
out:
mutex_unlock(&wcn->hal_mutex);
return ret;
@@ -782,6 +788,7 @@ int wcn36xx_smd_end_scan(struct wcn36xx *wcn, u8 scan_channel)
wcn36xx_err("hal_end_scan response failed err=%d\n", ret);
goto out;
}
+ wcn->sw_scan_channel = 0;
out:
mutex_unlock(&wcn->hal_mutex);
return ret;
@@ -823,6 +830,7 @@ int wcn36xx_smd_finish_scan(struct wcn36xx *wcn,
wcn36xx_err("hal_finish_scan response failed err=%d\n", ret);
goto out;
}
+ wcn->sw_scan_init = false;
out:
mutex_unlock(&wcn->hal_mutex);
return ret;
@@ -940,7 +948,7 @@ int wcn36xx_smd_update_channel_list(struct wcn36xx *wcn, struct cfg80211_scan_re
INIT_HAL_MSG((*msg_body), WCN36XX_HAL_UPDATE_CHANNEL_LIST_REQ);
- msg_body->num_channel = min_t(u8, req->n_channels, sizeof(msg_body->channels));
+ msg_body->num_channel = min_t(u8, req->n_channels, ARRAY_SIZE(msg_body->channels));
for (i = 0; i < msg_body->num_channel; i++) {
struct wcn36xx_hal_channel_param *param = &msg_body->channels[i];
u32 min_power = WCN36XX_HAL_DEFAULT_MIN_POWER;
@@ -2424,49 +2432,6 @@ out:
return ret;
}
-void set_feat_caps(u32 *bitmap, enum place_holder_in_cap_bitmap cap)
-{
- int arr_idx, bit_idx;
-
- if (cap < 0 || cap > 127) {
- wcn36xx_warn("error cap idx %d\n", cap);
- return;
- }
-
- arr_idx = cap / 32;
- bit_idx = cap % 32;
- bitmap[arr_idx] |= (1 << bit_idx);
-}
-
-int get_feat_caps(u32 *bitmap, enum place_holder_in_cap_bitmap cap)
-{
- int arr_idx, bit_idx;
-
- if (cap < 0 || cap > 127) {
- wcn36xx_warn("error cap idx %d\n", cap);
- return -EINVAL;
- }
-
- arr_idx = cap / 32;
- bit_idx = cap % 32;
-
- return (bitmap[arr_idx] & (1 << bit_idx)) ? 1 : 0;
-}
-
-void clear_feat_caps(u32 *bitmap, enum place_holder_in_cap_bitmap cap)
-{
- int arr_idx, bit_idx;
-
- if (cap < 0 || cap > 127) {
- wcn36xx_warn("error cap idx %d\n", cap);
- return;
- }
-
- arr_idx = cap / 32;
- bit_idx = cap % 32;
- bitmap[arr_idx] &= ~(1 << bit_idx);
-}
-
int wcn36xx_smd_feature_caps_exchange(struct wcn36xx *wcn)
{
struct wcn36xx_hal_feat_caps_msg msg_body, *rsp;
@@ -2475,11 +2440,12 @@ int wcn36xx_smd_feature_caps_exchange(struct wcn36xx *wcn)
mutex_lock(&wcn->hal_mutex);
INIT_HAL_MSG(msg_body, WCN36XX_HAL_FEATURE_CAPS_EXCHANGE_REQ);
- set_feat_caps(msg_body.feat_caps, STA_POWERSAVE);
+ wcn36xx_firmware_set_feat_caps(msg_body.feat_caps, STA_POWERSAVE);
if (wcn->rf_id == RF_IRIS_WCN3680) {
- set_feat_caps(msg_body.feat_caps, DOT11AC);
- set_feat_caps(msg_body.feat_caps, WLAN_CH144);
- set_feat_caps(msg_body.feat_caps, ANTENNA_DIVERSITY_SELECTION);
+ wcn36xx_firmware_set_feat_caps(msg_body.feat_caps, DOT11AC);
+ wcn36xx_firmware_set_feat_caps(msg_body.feat_caps, WLAN_CH144);
+ wcn36xx_firmware_set_feat_caps(msg_body.feat_caps,
+ ANTENNA_DIVERSITY_SELECTION);
}
PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
@@ -2557,6 +2523,7 @@ int wcn36xx_smd_add_ba_session(struct wcn36xx *wcn,
&session_id);
if (ret) {
wcn36xx_err("hal_add_ba_session response failed err=%d\n", ret);
+ ret = -EINVAL;
goto out;
}
@@ -2622,27 +2589,99 @@ out:
return ret;
}
-static int wcn36xx_smd_trigger_ba_rsp(void *buf, int len)
+int wcn36xx_smd_get_stats(struct wcn36xx *wcn, u8 sta_index, u32 stats_mask,
+ struct station_info *sinfo)
{
+ struct wcn36xx_hal_stats_req_msg msg_body;
+ struct wcn36xx_hal_stats_rsp_msg *rsp;
+ void *rsp_body;
+ int ret;
+
+ if (stats_mask & ~HAL_GLOBAL_CLASS_A_STATS_INFO) {
+ wcn36xx_err("stats_mask 0x%x contains unimplemented types\n",
+ stats_mask);
+ return -EINVAL;
+ }
+
+ mutex_lock(&wcn->hal_mutex);
+ INIT_HAL_MSG(msg_body, WCN36XX_HAL_GET_STATS_REQ);
+
+ msg_body.sta_id = sta_index;
+ msg_body.stats_mask = stats_mask;
+
+ PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
+
+ ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
+ if (ret) {
+ wcn36xx_err("sending hal_get_stats failed\n");
+ goto out;
+ }
+
+ ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
+ if (ret) {
+ wcn36xx_err("hal_get_stats response failed err=%d\n", ret);
+ goto out;
+ }
+
+ rsp = (struct wcn36xx_hal_stats_rsp_msg *)wcn->hal_buf;
+ rsp_body = (wcn->hal_buf + sizeof(struct wcn36xx_hal_stats_rsp_msg));
+
+ if (rsp->stats_mask != stats_mask) {
+ wcn36xx_err("stats_mask 0x%x differs from requested 0x%x\n",
+ rsp->stats_mask, stats_mask);
+ goto out;
+ }
+
+ if (rsp->stats_mask & HAL_GLOBAL_CLASS_A_STATS_INFO) {
+ struct ani_global_class_a_stats_info *stats_info = rsp_body;
+
+ wcn36xx_process_tx_rate(stats_info, &sinfo->txrate);
+ sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE);
+ rsp_body += sizeof(struct ani_global_class_a_stats_info);
+ }
+out:
+ mutex_unlock(&wcn->hal_mutex);
+
+ return ret;
+}
+
+static int wcn36xx_smd_trigger_ba_rsp(void *buf, int len, struct add_ba_info *ba_info)
+{
+ struct wcn36xx_hal_trigger_ba_rsp_candidate *candidate;
struct wcn36xx_hal_trigger_ba_rsp_msg *rsp;
+ int i;
if (len < sizeof(*rsp))
return -EINVAL;
rsp = (struct wcn36xx_hal_trigger_ba_rsp_msg *) buf;
+
+ if (rsp->candidate_cnt < 1)
+ return rsp->status ? rsp->status : -EINVAL;
+
+ candidate = (struct wcn36xx_hal_trigger_ba_rsp_candidate *)(buf + sizeof(*rsp));
+
+ for (i = 0; i < STACFG_MAX_TC; i++) {
+ ba_info[i] = candidate->ba_info[i];
+ }
+
return rsp->status;
}
-int wcn36xx_smd_trigger_ba(struct wcn36xx *wcn, u8 sta_index, u16 tid, u8 session_id)
+int wcn36xx_smd_trigger_ba(struct wcn36xx *wcn, u8 sta_index, u16 tid, u16 *ssn)
{
struct wcn36xx_hal_trigger_ba_req_msg msg_body;
struct wcn36xx_hal_trigger_ba_req_candidate *candidate;
+ struct add_ba_info ba_info[STACFG_MAX_TC];
int ret;
+ if (tid >= STACFG_MAX_TC)
+ return -EINVAL;
+
mutex_lock(&wcn->hal_mutex);
INIT_HAL_MSG(msg_body, WCN36XX_HAL_TRIGGER_BA_REQ);
- msg_body.session_id = session_id;
+ msg_body.session_id = 0; /* not really used */
msg_body.candidate_cnt = 1;
msg_body.header.len += sizeof(*candidate);
PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
@@ -2657,13 +2696,17 @@ int wcn36xx_smd_trigger_ba(struct wcn36xx *wcn, u8 sta_index, u16 tid, u8 sessio
wcn36xx_err("Sending hal_trigger_ba failed\n");
goto out;
}
- ret = wcn36xx_smd_trigger_ba_rsp(wcn->hal_buf, wcn->hal_rsp_len);
+ ret = wcn36xx_smd_trigger_ba_rsp(wcn->hal_buf, wcn->hal_rsp_len, ba_info);
if (ret) {
wcn36xx_err("hal_trigger_ba response failed err=%d\n", ret);
goto out;
}
out:
mutex_unlock(&wcn->hal_mutex);
+
+ if (ssn)
+ *ssn = ba_info[tid].starting_seq_num;
+
return ret;
}
@@ -2732,7 +2775,7 @@ static int wcn36xx_smd_missed_beacon_ind(struct wcn36xx *wcn,
wcn36xx_dbg(WCN36XX_DBG_HAL, "beacon missed bss_index %d\n",
tmp->bss_index);
vif = wcn36xx_priv_to_vif(tmp);
- ieee80211_connection_loss(vif);
+ ieee80211_beacon_loss(vif);
}
return 0;
}
@@ -2747,7 +2790,7 @@ static int wcn36xx_smd_missed_beacon_ind(struct wcn36xx *wcn,
wcn36xx_dbg(WCN36XX_DBG_HAL, "beacon missed bss_index %d\n",
rsp->bss_index);
vif = wcn36xx_priv_to_vif(tmp);
- ieee80211_connection_loss(vif);
+ ieee80211_beacon_loss(vif);
return 0;
}
}
@@ -2921,7 +2964,7 @@ int wcn36xx_smd_arp_offload(struct wcn36xx *wcn, struct ieee80211_vif *vif,
msg_body.host_offload_params.enable =
WCN36XX_HAL_OFFLOAD_ARP_AND_BCAST_FILTER_ENABLE;
memcpy(&msg_body.host_offload_params.u,
- &vif->bss_conf.arp_addr_list[0], sizeof(__be32));
+ &vif->cfg.arp_addr_list[0], sizeof(__be32));
}
msg_body.ns_offload_params.bss_index = vif_priv->bss_index;
@@ -3067,9 +3110,9 @@ static int wcn36xx_smd_gtk_offload_get_info_rsp(struct wcn36xx *wcn,
cpu_to_le64(rsp->key_replay_counter);
ieee80211_gtk_rekey_notify(vif, vif->bss_conf.bssid,
(void *)&replay_ctr, GFP_KERNEL);
- wcn36xx_dbg(WCN36XX_DBG_HAL,
- "GTK replay counter increment %llu\n",
- rsp->key_replay_counter);
+ wcn36xx_dbg(WCN36XX_DBG_HAL,
+ "GTK replay counter increment %llu\n",
+ rsp->key_replay_counter);
}
wcn36xx_dbg(WCN36XX_DBG_HAL,
@@ -3168,6 +3211,91 @@ out:
return ret;
}
+#define BEACON_FILTER(eid, presence, offs, val, mask, ref_val) \
+ { \
+ .element_id = eid, \
+ .check_ie_presence = presence, \
+ .offset = offs, \
+ .value = val, \
+ .bitmask = mask, \
+ .ref = ref_val, \
+ }
+
+static const struct beacon_filter_ie bcn_filter_ies[] = {
+ BEACON_FILTER(WLAN_EID_DS_PARAMS, 0, 0, 0,
+ WCN36XX_FILTER_IE_DS_CHANNEL_MASK, 0),
+ BEACON_FILTER(WLAN_EID_ERP_INFO, 0, 0, 0,
+ WCN36XX_FILTER_IE_ERP_FILTER_MASK, 0),
+ BEACON_FILTER(WLAN_EID_EDCA_PARAM_SET, 0, 0, 0,
+ WCN36XX_FILTER_IE_EDCA_FILTER_MASK, 0),
+ BEACON_FILTER(WLAN_EID_QOS_CAPA, 0, 0, 0,
+ WCN36XX_FILTER_IE_QOS_FILTER_MASK, 0),
+ BEACON_FILTER(WLAN_EID_CHANNEL_SWITCH, 1, 0, 0,
+ WCN36XX_FILTER_IE_CHANNEL_SWITCH_MASK, 0),
+ BEACON_FILTER(WLAN_EID_HT_OPERATION, 0, 0, 0,
+ WCN36XX_FILTER_IE_HT_BYTE0_FILTER_MASK, 0),
+ BEACON_FILTER(WLAN_EID_HT_OPERATION, 0, 2, 0,
+ WCN36XX_FILTER_IE_HT_BYTE2_FILTER_MASK, 0),
+ BEACON_FILTER(WLAN_EID_HT_OPERATION, 0, 5, 0,
+ WCN36XX_FILTER_IE_HT_BYTE5_FILTER_MASK, 0),
+ BEACON_FILTER(WLAN_EID_PWR_CONSTRAINT, 0, 0, 0,
+ WCN36XX_FILTER_IE_PWR_CONSTRAINT_MASK, 0),
+ BEACON_FILTER(WLAN_EID_OPMODE_NOTIF, 0, 0, 0,
+ WCN36XX_FILTER_IE_OPMODE_NOTIF_MASK, 0),
+ BEACON_FILTER(WLAN_EID_VHT_OPERATION, 0, 0, 0,
+ WCN36XX_FILTER_IE_VHTOP_CHWIDTH_MASK, 0),
+ BEACON_FILTER(WLAN_EID_RSN, 1, 0, 0,
+ WCN36XX_FILTER_IE_RSN_MASK, 0),
+ BEACON_FILTER(WLAN_EID_VENDOR_SPECIFIC, 1, 0, 0,
+ WCN36XX_FILTER_IE_VENDOR_MASK, 0),
+};
+
+int wcn36xx_smd_add_beacon_filter(struct wcn36xx *wcn,
+ struct ieee80211_vif *vif)
+{
+ struct wcn36xx_hal_add_bcn_filter_req_msg msg_body, *body;
+ struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif);
+ u8 *payload;
+ size_t payload_size;
+ int ret;
+
+ if (!wcn36xx_firmware_get_feat_caps(wcn->fw_feat_caps, BCN_FILTER))
+ return -EOPNOTSUPP;
+
+ mutex_lock(&wcn->hal_mutex);
+ INIT_HAL_MSG(msg_body, WCN36XX_HAL_ADD_BCN_FILTER_REQ);
+
+ PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
+
+ body = (struct wcn36xx_hal_add_bcn_filter_req_msg *)wcn->hal_buf;
+ body->capability_info = vif->bss_conf.assoc_capability;
+ body->capability_mask = WCN36XX_FILTER_CAPABILITY_MASK;
+ body->beacon_interval = vif->bss_conf.beacon_int;
+ body->ie_num = ARRAY_SIZE(bcn_filter_ies);
+ body->bss_index = vif_priv->bss_index;
+
+ payload = ((u8 *)body) + body->header.len;
+ payload_size = sizeof(bcn_filter_ies);
+ memcpy(payload, &bcn_filter_ies, payload_size);
+
+ body->header.len += payload_size;
+
+ ret = wcn36xx_smd_send_and_wait(wcn, body->header.len);
+ if (ret) {
+ wcn36xx_err("Sending add bcn_filter failed\n");
+ goto out;
+ }
+
+ ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
+ if (ret) {
+ wcn36xx_err("add bcn filter response failed err=%d\n", ret);
+ goto out;
+ }
+out:
+ mutex_unlock(&wcn->hal_mutex);
+ return ret;
+}
+
int wcn36xx_smd_rsp_process(struct rpmsg_device *rpdev,
void *buf, int len, void *priv, u32 addr)
{
@@ -3206,6 +3334,7 @@ int wcn36xx_smd_rsp_process(struct rpmsg_device *rpdev,
case WCN36XX_HAL_ADD_BA_SESSION_RSP:
case WCN36XX_HAL_ADD_BA_RSP:
case WCN36XX_HAL_DEL_BA_RSP:
+ case WCN36XX_HAL_GET_STATS_RSP:
case WCN36XX_HAL_TRIGGER_BA_RSP:
case WCN36XX_HAL_UPDATE_CFG_RSP:
case WCN36XX_HAL_JOIN_RSP:
@@ -3223,6 +3352,7 @@ int wcn36xx_smd_rsp_process(struct rpmsg_device *rpdev,
case WCN36XX_HAL_ENTER_IMPS_RSP:
case WCN36XX_HAL_EXIT_IMPS_RSP:
case WCN36XX_HAL_UPDATE_CHANNEL_LIST_RSP:
+ case WCN36XX_HAL_ADD_BCN_FILTER_RSP:
memcpy(wcn->hal_buf, buf, len);
wcn->hal_rsp_len = len;
complete(&wcn->hal_rsp_compl);
@@ -3236,7 +3366,7 @@ int wcn36xx_smd_rsp_process(struct rpmsg_device *rpdev,
case WCN36XX_HAL_DELETE_STA_CONTEXT_IND:
case WCN36XX_HAL_PRINT_REG_INFO_IND:
case WCN36XX_HAL_SCAN_OFFLOAD_IND:
- msg_ind = kmalloc(sizeof(*msg_ind) + len, GFP_ATOMIC);
+ msg_ind = kmalloc(struct_size(msg_ind, msg, len), GFP_ATOMIC);
if (!msg_ind) {
wcn36xx_err("Run out of memory while handling SMD_EVENT (%d)\n",
msg_header->msg_type);