}
EXPORT_SYMBOL_GPL(mwifiex_del_virtual_intf);
+#ifdef CONFIG_PM
+static bool
+mwifiex_is_pattern_supported(struct cfg80211_wowlan_trig_pkt_pattern *pat,
+ s8 *byte_seq)
+{
+ int j, k, valid_byte_cnt = 0;
+ bool dont_care_byte = false;
+
+ for (j = 0; j < DIV_ROUND_UP(pat->pattern_len, 8); j++) {
+ for (k = 0; k < 8; k++) {
+ if (pat->mask[j] & 1 << k) {
+ memcpy(byte_seq + valid_byte_cnt,
+ &pat->pattern[j * 8 + k], 1);
+ valid_byte_cnt++;
+ if (dont_care_byte)
+ return false;
+ } else {
+ if (valid_byte_cnt)
+ dont_care_byte = true;
+ }
+
+ if (valid_byte_cnt > MAX_BYTESEQ)
+ return false;
+ }
+ }
+
+ byte_seq[MAX_BYTESEQ] = valid_byte_cnt;
+
+ return true;
+}
+
+static int mwifiex_cfg80211_suspend(struct wiphy *wiphy,
+ struct cfg80211_wowlan *wowlan)
+{
+ struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
+ struct mwifiex_ds_mef_cfg mef_cfg;
+ struct mwifiex_mef_entry *mef_entry;
+ int i, filt_num = 0, ret;
+ bool first_pat = true;
+ u8 byte_seq[MAX_BYTESEQ + 1];
+ const u8 ipv4_mc_mac[] = {0x33, 0x33};
+ const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e};
+ struct mwifiex_private *priv =
+ mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);
+
+ if (!wowlan) {
+ dev_warn(adapter->dev, "None of the WOWLAN triggers enabled\n");
+ return 0;
+ }
+
+ if (!priv->media_connected) {
+ dev_warn(adapter->dev,
+ "Can not configure WOWLAN in disconnected state\n");
+ return 0;
+ }
+
+ memset(&mef_cfg, 0, sizeof(mef_cfg));
+ mef_cfg.num_entries = 1;
+ mef_entry = kzalloc(sizeof(*mef_entry), GFP_KERNEL);
+ mef_cfg.mef_entry = mef_entry;
+ mef_entry->mode = MEF_MODE_HOST_SLEEP;
+ mef_entry->action = MEF_ACTION_ALLOW_AND_WAKEUP_HOST;
+
+ for (i = 0; i < wowlan->n_patterns; i++) {
+ memset(byte_seq, 0, sizeof(byte_seq));
+ if (!mwifiex_is_pattern_supported(&wowlan->patterns[i],
+ byte_seq)) {
+ wiphy_err(wiphy, "Pattern not supported\n");
+ kfree(mef_entry);
+ return -EOPNOTSUPP;
+ }
+
+ if (!wowlan->patterns[i].pkt_offset) {
+ if (!(byte_seq[0] & 0x01) &&
+ (byte_seq[MAX_BYTESEQ] == 1)) {
+ mef_cfg.criteria |= MWIFIEX_CRITERIA_UNICAST;
+ continue;
+ } else if (is_broadcast_ether_addr(byte_seq)) {
+ mef_cfg.criteria |= MWIFIEX_CRITERIA_BROADCAST;
+ continue;
+ } else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) &&
+ (byte_seq[MAX_BYTESEQ] == 2)) ||
+ (!memcmp(byte_seq, ipv6_mc_mac, 3) &&
+ (byte_seq[MAX_BYTESEQ] == 3))) {
+ mef_cfg.criteria |= MWIFIEX_CRITERIA_MULTICAST;
+ continue;
+ }
+ }
+
+ mef_entry->filter[filt_num].repeat = 1;
+ mef_entry->filter[filt_num].offset =
+ wowlan->patterns[i].pkt_offset;
+ memcpy(mef_entry->filter[filt_num].byte_seq, byte_seq,
+ sizeof(byte_seq));
+ mef_entry->filter[filt_num].filt_type = TYPE_EQ;
+
+ if (first_pat)
+ first_pat = false;
+ else
+ mef_entry->filter[filt_num].filt_action = TYPE_AND;
+
+ filt_num++;
+ }
+
+ if (wowlan->magic_pkt) {
+ mef_cfg.criteria |= MWIFIEX_CRITERIA_UNICAST;
+ mef_entry->filter[filt_num].repeat = 16;
+ memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr,
+ ETH_ALEN);
+ mef_entry->filter[filt_num].byte_seq[MAX_BYTESEQ] = ETH_ALEN;
+ mef_entry->filter[filt_num].offset = 14;
+ mef_entry->filter[filt_num].filt_type = TYPE_EQ;
+ if (filt_num)
+ mef_entry->filter[filt_num].filt_action = TYPE_OR;
+ }
+
+ if (!mef_cfg.criteria)
+ mef_cfg.criteria = MWIFIEX_CRITERIA_BROADCAST |
+ MWIFIEX_CRITERIA_UNICAST |
+ MWIFIEX_CRITERIA_MULTICAST;
+
+ ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_MEF_CFG,
+ HostCmd_ACT_GEN_SET, 0,
+ &mef_cfg);
+
+ kfree(mef_entry);
+ return ret;
+}
+
+static int mwifiex_cfg80211_resume(struct wiphy *wiphy)
+{
+ return 0;
+}
+
+static void mwifiex_cfg80211_set_wakeup(struct wiphy *wiphy,
+ bool enabled)
+{
+ struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
+
+ device_set_wakeup_enable(adapter->dev, enabled);
+}
+#endif
+
/* station cfg80211 operations */
static struct cfg80211_ops mwifiex_cfg80211_ops = {
.add_virtual_intf = mwifiex_add_virtual_intf,
.change_beacon = mwifiex_cfg80211_change_beacon,
.set_cqm_rssi_config = mwifiex_cfg80211_set_cqm_rssi_config,
.set_antenna = mwifiex_cfg80211_set_antenna,
+#ifdef CONFIG_PM
+ .suspend = mwifiex_cfg80211_suspend,
+ .resume = mwifiex_cfg80211_resume,
+ .set_wakeup = mwifiex_cfg80211_set_wakeup,
+#endif
};
/*
wiphy_apply_custom_regulatory(wiphy, &mwifiex_world_regdom_custom);
+#ifdef CONFIG_PM
+ wiphy->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT;
+ wiphy->wowlan.n_patterns = MWIFIEX_MAX_FILTERS;
+ wiphy->wowlan.pattern_min_len = 1;
+ wiphy->wowlan.pattern_max_len = MWIFIEX_MAX_PATTERN_LEN;
+ wiphy->wowlan.max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN;
+#endif
+
wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
#define HostCmd_CMD_802_11_TX_RATE_QUERY 0x007f
#define HostCmd_CMD_802_11_IBSS_COALESCING_STATUS 0x0083
#define HostCmd_CMD_VERSION_EXT 0x0097
+#define HostCmd_CMD_MEF_CFG 0x009a
#define HostCmd_CMD_RSSI_INFO 0x00a4
#define HostCmd_CMD_FUNC_INIT 0x00a9
#define HostCmd_CMD_FUNC_SHUTDOWN 0x00aa
#define EVENT_GET_BSS_TYPE(event_cause) \
(((event_cause) >> 24) & 0x00ff)
+#define MWIFIEX_MAX_PATTERN_LEN 20
+#define MWIFIEX_MAX_OFFSET_LEN 50
+#define STACK_NBYTES 100
+#define TYPE_DNUM 1
+#define TYPE_BYTESEQ 2
+#define MAX_OPERAND 0x40
+#define TYPE_EQ (MAX_OPERAND+1)
+#define TYPE_EQ_DNUM (MAX_OPERAND+2)
+#define TYPE_EQ_BIT (MAX_OPERAND+3)
+#define TYPE_AND (MAX_OPERAND+4)
+#define TYPE_OR (MAX_OPERAND+5)
+#define MEF_MODE_HOST_SLEEP 1
+#define MEF_ACTION_ALLOW_AND_WAKEUP_HOST 3
+#define MWIFIEX_CRITERIA_BROADCAST BIT(0)
+#define MWIFIEX_CRITERIA_UNICAST BIT(1)
+#define MWIFIEX_CRITERIA_MULTICAST BIT(3)
+
struct mwifiex_ie_types_header {
__le16 type;
__le16 len;
__le16 use_g_rate_protect;
} __packed;
+struct mwifiex_fw_mef_entry {
+ u8 mode;
+ u8 action;
+ __le16 exprsize;
+ u8 expr[0];
+} __packed;
+
+struct host_cmd_ds_mef_cfg {
+ __le32 criteria;
+ __le16 num_entries;
+ struct mwifiex_fw_mef_entry mef_entry[0];
+} __packed;
+
#define CONNECTION_TYPE_INFRA 0
#define CONNECTION_TYPE_ADHOC 1
#define CONNECTION_TYPE_AP 2
struct host_cmd_ds_remain_on_chan roc_cfg;
struct host_cmd_ds_p2p_mode_cfg mode_cfg;
struct host_cmd_ds_802_11_ibss_status ibss_coalescing;
+ struct host_cmd_ds_mef_cfg mef_cfg;
struct host_cmd_ds_mac_reg_access mac_reg;
struct host_cmd_ds_bbp_reg_access bbp_reg;
struct host_cmd_ds_rf_reg_access rf_reg;
return 0;
}
+static int
+mwifiex_cmd_append_rpn_expression(struct mwifiex_private *priv,
+ struct mwifiex_mef_entry *mef_entry,
+ u8 **buffer)
+{
+ struct mwifiex_mef_filter *filter = mef_entry->filter;
+ int i, byte_len;
+ u8 *stack_ptr = *buffer;
+
+ for (i = 0; i < MWIFIEX_MAX_FILTERS; i++) {
+ filter = &mef_entry->filter[i];
+ if (!filter->filt_type)
+ break;
+ *(__le32 *)stack_ptr = cpu_to_le32((u32)filter->repeat);
+ stack_ptr += 4;
+ *stack_ptr = TYPE_DNUM;
+ stack_ptr += 1;
+
+ byte_len = filter->byte_seq[MAX_BYTESEQ];
+ memcpy(stack_ptr, filter->byte_seq, byte_len);
+ stack_ptr += byte_len;
+ *stack_ptr = byte_len;
+ stack_ptr += 1;
+ *stack_ptr = TYPE_BYTESEQ;
+ stack_ptr += 1;
+
+ *(__le32 *)stack_ptr = cpu_to_le32((u32)filter->offset);
+ stack_ptr += 4;
+ *stack_ptr = TYPE_DNUM;
+ stack_ptr += 1;
+
+ *stack_ptr = filter->filt_type;
+ stack_ptr += 1;
+
+ if (filter->filt_action) {
+ *stack_ptr = filter->filt_action;
+ stack_ptr += 1;
+ }
+
+ if (stack_ptr - *buffer > STACK_NBYTES)
+ return -1;
+ }
+
+ *buffer = stack_ptr;
+ return 0;
+}
+
+static int
+mwifiex_cmd_mef_cfg(struct mwifiex_private *priv,
+ struct host_cmd_ds_command *cmd,
+ struct mwifiex_ds_mef_cfg *mef)
+{
+ struct host_cmd_ds_mef_cfg *mef_cfg = &cmd->params.mef_cfg;
+ u8 *pos = (u8 *)mef_cfg;
+
+ cmd->command = cpu_to_le16(HostCmd_CMD_MEF_CFG);
+
+ mef_cfg->criteria = cpu_to_le32(mef->criteria);
+ mef_cfg->num_entries = cpu_to_le16(mef->num_entries);
+ pos += sizeof(*mef_cfg);
+ mef_cfg->mef_entry->mode = mef->mef_entry->mode;
+ mef_cfg->mef_entry->action = mef->mef_entry->action;
+ pos += sizeof(*(mef_cfg->mef_entry));
+
+ if (mwifiex_cmd_append_rpn_expression(priv, mef->mef_entry, &pos))
+ return -1;
+
+ mef_cfg->mef_entry->exprsize =
+ cpu_to_le16(pos - mef_cfg->mef_entry->expr);
+ cmd->size = cpu_to_le16((u16) (pos - (u8 *)mef_cfg) + S_DS_GEN);
+
+ return 0;
+}
+
/*
* This function prepares the commands before sending them to the firmware.
*
case HostCmd_CMD_802_11_SUBSCRIBE_EVENT:
ret = mwifiex_cmd_802_11_subsc_evt(priv, cmd_ptr, data_buf);
break;
+ case HostCmd_CMD_MEF_CFG:
+ ret = mwifiex_cmd_mef_cfg(priv, cmd_ptr, data_buf);
+ break;
default:
dev_err(priv->adapter->dev,
"PREP_CMD: unknown cmd- %#x\n", cmd_no);