From: Vasily Ulyanov <vulyanov@xxxxxxxxxxxxx> This allows a running AP to blacklist STAs by their MAC addresses respecting the configured policy (either accept or deny unless listed). It can be setup on .start_ap or with .set_mac_acl commands. Signed-off-by: Vasily Ulyanov <vulyanov@xxxxxxxxxxxxx> --- drivers/net/wireless/quantenna/qtnfmac/cfg80211.c | 19 +++++++ drivers/net/wireless/quantenna/qtnfmac/commands.c | 62 ++++++++++++++++++++++ drivers/net/wireless/quantenna/qtnfmac/commands.h | 2 + drivers/net/wireless/quantenna/qtnfmac/core.h | 1 + drivers/net/wireless/quantenna/qtnfmac/qlink.h | 37 ++++++++++++- .../net/wireless/quantenna/qtnfmac/qlink_util.c | 18 +++++++ .../net/wireless/quantenna/qtnfmac/qlink_util.h | 2 + 7 files changed, 140 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c b/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c index 452def343ad3..89dc9cab647d 100644 --- a/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c +++ b/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c @@ -778,6 +778,20 @@ static int qtnf_start_radar_detection(struct wiphy *wiphy, return ret; } +static int qtnf_set_mac_acl(struct wiphy *wiphy, + struct net_device *dev, + const struct cfg80211_acl_data *params) +{ + struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); + int ret; + + ret = qtnf_cmd_set_mac_acl(vif, params); + if (ret) + pr_err("%s: failed to set mac ACL ret=%d\n", dev->name, ret); + + return ret; +} + static struct cfg80211_ops qtn_cfg80211_ops = { .add_virtual_intf = qtnf_add_virtual_intf, .change_virtual_intf = qtnf_change_virtual_intf, @@ -803,6 +817,7 @@ static struct cfg80211_ops qtn_cfg80211_ops = { .get_channel = qtnf_get_channel, .channel_switch = qtnf_channel_switch, .start_radar_detection = qtnf_start_radar_detection, + .set_mac_acl = qtnf_set_mac_acl, }; static void qtnf_cfg80211_reg_notifier(struct wiphy *wiphy_in, @@ -918,6 +933,7 @@ int qtnf_wiphy_register(struct qtnf_hw_info *hw_info, struct qtnf_wmac *mac) wiphy->max_scan_ie_len = QTNF_MAX_VSIE_LEN; wiphy->mgmt_stypes = qtnf_mgmt_stypes; wiphy->max_remain_on_channel_duration = 5000; + wiphy->max_acl_mac_addrs = mac->macinfo.max_acl_mac_addrs; wiphy->iface_combinations = iface_comb; wiphy->n_iface_combinations = 1; @@ -932,6 +948,9 @@ int qtnf_wiphy_register(struct qtnf_hw_info *hw_info, struct qtnf_wmac *mac) WIPHY_FLAG_AP_UAPSD | WIPHY_FLAG_HAS_CHANNEL_SWITCH; + if (wiphy->max_acl_mac_addrs > 0) + wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME; + wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2; diff --git a/drivers/net/wireless/quantenna/qtnfmac/commands.c b/drivers/net/wireless/quantenna/qtnfmac/commands.c index 38b9c1078058..6ffe4837bbdb 100644 --- a/drivers/net/wireless/quantenna/qtnfmac/commands.c +++ b/drivers/net/wireless/quantenna/qtnfmac/commands.c @@ -162,6 +162,14 @@ static void qtnf_cmd_tlv_ie_set_add(struct sk_buff *cmd_skb, u8 frame_type, memcpy(tlv->ie_data, buf, len); } +static inline size_t qtnf_cmd_acl_data_size(const struct cfg80211_acl_data *acl) +{ + size_t size = sizeof(struct qlink_acl_data) + + acl->n_acl_entries * sizeof(struct qlink_mac_address); + + return size; +} + static bool qtnf_cmd_start_ap_can_fit(const struct qtnf_vif *vif, const struct cfg80211_ap_settings *s) { @@ -178,6 +186,9 @@ static bool qtnf_cmd_start_ap_can_fit(const struct qtnf_vif *vif, if (cfg80211_chandef_valid(&s->chandef)) len += sizeof(struct qlink_tlv_chandef); + if (s->acl) + len += qtnf_cmd_acl_data_size(s->acl); + if (len > (sizeof(struct qlink_cmd) + QTNF_MAX_CMD_BUF_SIZE)) { pr_err("VIF%u.%u: can not fit AP settings: %u\n", vif->mac->macid, vif->vifid, len); @@ -283,6 +294,16 @@ int qtnf_cmd_send_start_ap(struct qtnf_vif *vif, memcpy(tlv->val, s->vht_cap, sizeof(*s->vht_cap)); } + if (s->acl) { + size_t acl_size = qtnf_cmd_acl_data_size(s->acl); + struct qlink_tlv_hdr *tlv = + skb_put(cmd_skb, sizeof(*tlv) + acl_size); + + tlv->type = cpu_to_le16(QTN_TLV_ID_ACL_DATA); + tlv->len = cpu_to_le16(acl_size); + qlink_acl_data_cfg2q(s->acl, (struct qlink_acl_data *)tlv->val); + } + qtnf_bus_lock(vif->mac->bus); ret = qtnf_cmd_send(vif->mac->bus, cmd_skb, &res_code); @@ -1206,6 +1227,7 @@ qtnf_cmd_resp_proc_mac_info(struct qtnf_wmac *mac, mac_info->radar_detect_widths = qlink_chan_width_mask_to_nl(le16_to_cpu( resp_info->radar_detect_widths)); + mac_info->max_acl_mac_addrs = le32_to_cpu(resp_info->max_acl_mac_addrs); memcpy(&mac_info->ht_cap_mod_mask, &resp_info->ht_cap_mod_mask, sizeof(mac_info->ht_cap_mod_mask)); @@ -2609,3 +2631,43 @@ int qtnf_cmd_start_cac(const struct qtnf_vif *vif, return ret; } + +int qtnf_cmd_set_mac_acl(const struct qtnf_vif *vif, + const struct cfg80211_acl_data *params) +{ + struct qtnf_bus *bus = vif->mac->bus; + struct sk_buff *cmd_skb; + struct qlink_cmd_set_mac_acl *cmd; + u16 res_code; + int ret; + + cmd_skb = qtnf_cmd_alloc_new_cmdskb(vif->mac->macid, vif->vifid, + QLINK_CMD_SET_MAC_ACL, + sizeof(*cmd) + + qtnf_cmd_acl_data_size(params)); + if (unlikely(!cmd_skb)) + return -ENOMEM; + + cmd = (struct qlink_cmd_set_mac_acl *)cmd_skb->data; + qlink_acl_data_cfg2q(params, &cmd->acl); + + qtnf_bus_lock(bus); + ret = qtnf_cmd_send(bus, cmd_skb, &res_code); + qtnf_bus_unlock(bus); + + if (unlikely(ret)) + return ret; + + switch (res_code) { + case QLINK_CMD_RESULT_OK: + break; + case QLINK_CMD_RESULT_INVALID: + ret = -EINVAL; + break; + default: + ret = -EOPNOTSUPP; + break; + } + + return ret; +} diff --git a/drivers/net/wireless/quantenna/qtnfmac/commands.h b/drivers/net/wireless/quantenna/qtnfmac/commands.h index 07a957af9a58..69a7d56f7e58 100644 --- a/drivers/net/wireless/quantenna/qtnfmac/commands.h +++ b/drivers/net/wireless/quantenna/qtnfmac/commands.h @@ -79,5 +79,7 @@ int qtnf_cmd_get_channel(struct qtnf_vif *vif, struct cfg80211_chan_def *chdef); int qtnf_cmd_start_cac(const struct qtnf_vif *vif, const struct cfg80211_chan_def *chdef, u32 cac_time_ms); +int qtnf_cmd_set_mac_acl(const struct qtnf_vif *vif, + const struct cfg80211_acl_data *params); #endif /* QLINK_COMMANDS_H_ */ diff --git a/drivers/net/wireless/quantenna/qtnfmac/core.h b/drivers/net/wireless/quantenna/qtnfmac/core.h index e7bd21ed371b..c10900162297 100644 --- a/drivers/net/wireless/quantenna/qtnfmac/core.h +++ b/drivers/net/wireless/quantenna/qtnfmac/core.h @@ -103,6 +103,7 @@ struct qtnf_mac_info { u8 sretry_limit; u8 coverage_class; u8 radar_detect_widths; + u32 max_acl_mac_addrs; struct ieee80211_ht_cap ht_cap_mod_mask; struct ieee80211_vht_cap vht_cap_mod_mask; struct ieee80211_iface_limit *limits; diff --git a/drivers/net/wireless/quantenna/qtnfmac/qlink.h b/drivers/net/wireless/quantenna/qtnfmac/qlink.h index 5d98000b0f5b..6a1f960228a1 100644 --- a/drivers/net/wireless/quantenna/qtnfmac/qlink.h +++ b/drivers/net/wireless/quantenna/qtnfmac/qlink.h @@ -19,7 +19,7 @@ #include <linux/ieee80211.h> -#define QLINK_PROTO_VER 9 +#define QLINK_PROTO_VER 10 #define QLINK_MACID_RSVD 0xFF #define QLINK_VIFID_RSVD 0xFF @@ -239,6 +239,7 @@ enum qlink_cmd_type { QLINK_CMD_START_CAC = 0x001D, QLINK_CMD_START_AP = 0x0021, QLINK_CMD_STOP_AP = 0x0022, + QLINK_CMD_SET_MAC_ACL = 0x0023, QLINK_CMD_GET_STA_INFO = 0x0030, QLINK_CMD_ADD_KEY = 0x0040, QLINK_CMD_DEL_KEY = 0x0041, @@ -640,6 +641,38 @@ struct qlink_cmd_start_cac { __le32 cac_time_ms; } __packed; +enum qlink_acl_policy { + QLINK_ACL_POLICY_ACCEPT_UNLESS_LISTED, + QLINK_ACL_POLICY_DENY_UNLESS_LISTED, +}; + +struct qlink_mac_address { + u8 addr[ETH_ALEN]; +} __packed; + +/** + * struct qlink_acl_data - ACL data + * + * @policy: filter policy, one of &enum qlink_acl_policy. + * @num_entries: number of MAC addresses in array. + * @mac_address: MAC addresses array. + */ +struct qlink_acl_data { + __le32 policy; + __le32 num_entries; + struct qlink_mac_address mac_addrs[0]; +} __packed; + +/** + * struct qlink_cmd_set_mac_acl - data for QLINK_CMD_SET_MAC_ACL command + * + * @acl: ACL data. + */ +struct qlink_cmd_set_mac_acl { + struct qlink_cmd chdr; + struct qlink_acl_data acl; +} __packed; + /* QLINK Command Responses messages related definitions */ @@ -701,6 +734,7 @@ struct qlink_resp_get_mac_info { struct ieee80211_ht_cap ht_cap_mod_mask; __le16 max_ap_assoc_sta; __le16 radar_detect_widths; + __le32 max_acl_mac_addrs; u8 bands_cap; u8 rsvd[1]; u8 var_info[0]; @@ -1049,6 +1083,7 @@ enum qlink_tlv_id { QTN_TLV_ID_SEQ = 0x0303, QTN_TLV_ID_IE_SET = 0x0305, QTN_TLV_ID_EXT_CAPABILITY_MASK = 0x0306, + QTN_TLV_ID_ACL_DATA = 0x0307, }; struct qlink_tlv_hdr { diff --git a/drivers/net/wireless/quantenna/qtnfmac/qlink_util.c b/drivers/net/wireless/quantenna/qtnfmac/qlink_util.c index 19981d6440b6..aeeda81b09ea 100644 --- a/drivers/net/wireless/quantenna/qtnfmac/qlink_util.c +++ b/drivers/net/wireless/quantenna/qtnfmac/qlink_util.c @@ -176,3 +176,21 @@ bool qtnf_utils_is_bit_set(const u8 *arr, unsigned int bit, return arr[idx] & mask; } + +void qlink_acl_data_cfg2q(const struct cfg80211_acl_data *acl, + struct qlink_acl_data *qacl) +{ + switch (acl->acl_policy) { + case NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED: + qacl->policy = + cpu_to_le32(QLINK_ACL_POLICY_ACCEPT_UNLESS_LISTED); + break; + case NL80211_ACL_POLICY_DENY_UNLESS_LISTED: + qacl->policy = cpu_to_le32(QLINK_ACL_POLICY_DENY_UNLESS_LISTED); + break; + } + + qacl->num_entries = cpu_to_le32(acl->n_acl_entries); + memcpy(qacl->mac_addrs, acl->mac_addrs, + acl->n_acl_entries * sizeof(*qacl->mac_addrs)); +} diff --git a/drivers/net/wireless/quantenna/qtnfmac/qlink_util.h b/drivers/net/wireless/quantenna/qtnfmac/qlink_util.h index 6c24561eb41f..54caeb38917c 100644 --- a/drivers/net/wireless/quantenna/qtnfmac/qlink_util.h +++ b/drivers/net/wireless/quantenna/qtnfmac/qlink_util.h @@ -71,5 +71,7 @@ void qlink_chandef_cfg2q(const struct cfg80211_chan_def *chdef, enum qlink_hidden_ssid qlink_hidden_ssid_nl2q(enum nl80211_hidden_ssid nl_val); bool qtnf_utils_is_bit_set(const u8 *arr, unsigned int bit, unsigned int arr_max_len); +void qlink_acl_data_cfg2q(const struct cfg80211_acl_data *acl, + struct qlink_acl_data *qacl); #endif /* _QTN_FMAC_QLINK_UTIL_H_ */ -- 2.11.0