diff options
| -rw-r--r-- | drivers/net/wireless/mwifiex/11h.c | 101 | ||||
| -rw-r--r-- | drivers/net/wireless/mwifiex/Makefile | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/mwifiex/fw.h | 14 | ||||
| -rw-r--r-- | drivers/net/wireless/mwifiex/join.c | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/mwifiex/main.h | 7 | ||||
| -rw-r--r-- | drivers/net/wireless/mwifiex/scan.c | 19 | ||||
| -rw-r--r-- | drivers/net/wireless/mwifiex/sta_event.c | 8 | ||||
| -rw-r--r-- | drivers/net/wireless/mwifiex/sta_ioctl.c | 3 |
8 files changed, 155 insertions, 0 deletions
diff --git a/drivers/net/wireless/mwifiex/11h.c b/drivers/net/wireless/mwifiex/11h.c new file mode 100644 index 0000000..8d68307 --- /dev/null +++ b/drivers/net/wireless/mwifiex/11h.c @@ -0,0 +1,101 @@ +/* + * Marvell Wireless LAN device driver: 802.11h + * + * Copyright (C) 2013, Marvell International Ltd. + * + * This software file (the "File") is distributed by Marvell International + * Ltd. under the terms of the GNU General Public License Version 2, June 1991 + * (the "License"). You may use, redistribute and/or modify this File in + * accordance with the terms and conditions of the License, a copy of which + * is available by writing to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the + * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. + * + * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE + * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE + * ARE EXPRESSLY DISCLAIMED. The License provides additional details about + * this warranty disclaimer. + */ + +#include "main.h" +#include "fw.h" + + +/* This function appends 11h info to a buffer while joining an + * infrastructure BSS + */ +static void +mwifiex_11h_process_infra_join(struct mwifiex_private *priv, u8 **buffer, + struct mwifiex_bssdescriptor *bss_desc) +{ + struct mwifiex_ie_types_header *ie_header; + struct mwifiex_ie_types_pwr_capability *cap; + struct mwifiex_ie_types_local_pwr_constraint *constraint; + struct ieee80211_supported_band *sband; + u8 radio_type; + int i; + + if (!buffer || !(*buffer)) + return; + + radio_type = mwifiex_band_to_radio_type((u8) bss_desc->bss_band); + sband = priv->wdev->wiphy->bands[radio_type]; + + cap = (struct mwifiex_ie_types_pwr_capability *)*buffer; + cap->header.type = cpu_to_le16(WLAN_EID_PWR_CAPABILITY); + cap->header.len = cpu_to_le16(2); + cap->min_pwr = 0; + cap->max_pwr = 0; + *buffer += sizeof(*cap); + + constraint = (struct mwifiex_ie_types_local_pwr_constraint *)*buffer; + constraint->header.type = cpu_to_le16(WLAN_EID_PWR_CONSTRAINT); + constraint->header.len = cpu_to_le16(2); + constraint->chan = bss_desc->channel; + constraint->constraint = bss_desc->local_constraint; + *buffer += sizeof(*constraint); + + ie_header = (struct mwifiex_ie_types_header *)*buffer; + ie_header->type = cpu_to_le16(TLV_TYPE_PASSTHROUGH); + ie_header->len = cpu_to_le16(2 * sband->n_channels + 2); + *buffer += sizeof(*ie_header); + *(*buffer)++ = WLAN_EID_SUPPORTED_CHANNELS; + *(*buffer)++ = 2 * sband->n_channels; + for (i = 0; i < sband->n_channels; i++) { + *(*buffer)++ = ieee80211_frequency_to_channel( + sband->channels[i].center_freq); + *(*buffer)++ = 1; /* one channel in the subband */ + } +} + +/* Enable or disable the 11h extensions in the firmware */ +static int mwifiex_11h_activate(struct mwifiex_private *priv, bool flag) +{ + u32 enable = flag; + + return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_SNMP_MIB, + HostCmd_ACT_GEN_SET, DOT11H_I, &enable); +} + +/* This functions processes TLV buffer for a pending BSS Join command. + * + * Activate 11h functionality in the firmware if the spectrum management + * capability bit is found in the network we are joining. Also, necessary + * TLVs are set based on requested network's 11h capability. + */ +void mwifiex_11h_process_join(struct mwifiex_private *priv, u8 **buffer, + struct mwifiex_bssdescriptor *bss_desc) +{ + if (bss_desc->sensed_11h) { + /* Activate 11h functions in firmware, turns on capability + * bit + */ + mwifiex_11h_activate(priv, true); + bss_desc->cap_info_bitmap |= WLAN_CAPABILITY_SPECTRUM_MGMT; + mwifiex_11h_process_infra_join(priv, buffer, bss_desc); + } else { + /* Deactivate 11h functions in the firmware */ + mwifiex_11h_activate(priv, false); + bss_desc->cap_info_bitmap &= ~WLAN_CAPABILITY_SPECTRUM_MGMT; + } +} diff --git a/drivers/net/wireless/mwifiex/Makefile b/drivers/net/wireless/mwifiex/Makefile index ecf2846..a42a506 100644 --- a/drivers/net/wireless/mwifiex/Makefile +++ b/drivers/net/wireless/mwifiex/Makefile @@ -40,6 +40,7 @@ mwifiex-y += sta_rx.o mwifiex-y += uap_txrx.o mwifiex-y += cfg80211.o mwifiex-y += ethtool.o +mwifiex-y += 11h.o mwifiex-$(CONFIG_DEBUG_FS) += debugfs.o obj-$(CONFIG_MWIFIEX) += mwifiex.o diff --git a/drivers/net/wireless/mwifiex/fw.h b/drivers/net/wireless/mwifiex/fw.h index d6ada73..b6fbbf6 100644 --- a/drivers/net/wireless/mwifiex/fw.h +++ b/drivers/net/wireless/mwifiex/fw.h @@ -438,6 +438,7 @@ enum P2P_MODES { #define EVENT_BW_CHANGE 0x00000048 #define EVENT_UAP_MIC_COUNTERMEASURES 0x0000004c #define EVENT_HOSTWAKE_STAIE 0x0000004d +#define EVENT_CHANNEL_SWITCH_ANN 0x00000050 #define EVENT_REMAIN_ON_CHAN_EXPIRED 0x0000005f #define EVENT_ID_MASK 0xffff @@ -975,6 +976,7 @@ enum SNMP_MIB_INDEX { LONG_RETRY_LIM_I = 7, FRAG_THRESH_I = 8, DOT11D_I = 9, + DOT11H_I = 10, }; #define MAX_SNMP_BUF_SIZE 128 @@ -1206,6 +1208,18 @@ struct host_cmd_ds_sta_deauth { __le16 reason; } __packed; +struct mwifiex_ie_types_pwr_capability { + struct mwifiex_ie_types_header header; + s8 min_pwr; + s8 max_pwr; +}; + +struct mwifiex_ie_types_local_pwr_constraint { + struct mwifiex_ie_types_header header; + u8 chan; + u8 constraint; +}; + struct mwifiex_ie_types_wmm_param_set { struct mwifiex_ie_types_header header; u8 wmm_ie[1]; diff --git a/drivers/net/wireless/mwifiex/join.c b/drivers/net/wireless/mwifiex/join.c index 122175a..1c8a771 100644 --- a/drivers/net/wireless/mwifiex/join.c +++ b/drivers/net/wireless/mwifiex/join.c @@ -534,6 +534,8 @@ int mwifiex_cmd_802_11_associate(struct mwifiex_private *priv, mwifiex_cmd_append_tsf_tlv(priv, &pos, bss_desc); + mwifiex_11h_process_join(priv, &pos, bss_desc); + cmd->size = cpu_to_le16((u16) (pos - (u8 *) assoc) + S_DS_GEN); /* Set the Capability info at last */ diff --git a/drivers/net/wireless/mwifiex/main.h b/drivers/net/wireless/mwifiex/main.h index 0832c24..95a6f52 100644 --- a/drivers/net/wireless/mwifiex/main.h +++ b/drivers/net/wireless/mwifiex/main.h @@ -309,6 +309,9 @@ struct mwifiex_bssdescriptor { u16 wapi_offset; u8 *beacon_buf; u32 beacon_buf_size; + u8 sensed_11h; + u8 local_constraint; + u8 chan_sw_ie_present; }; struct mwifiex_current_bss_params { @@ -1119,6 +1122,10 @@ u8 *mwifiex_11d_code_2_region(u8 code); void mwifiex_uap_del_sta_data(struct mwifiex_private *priv, struct mwifiex_sta_node *node); +void mwifiex_11h_process_join(struct mwifiex_private *priv, u8 **buffer, + struct mwifiex_bssdescriptor *bss_desc); +int mwifiex_11h_handle_event_chanswann(struct mwifiex_private *priv); + extern const struct ethtool_ops mwifiex_ethtool_ops; #ifdef CONFIG_DEBUG_FS diff --git a/drivers/net/wireless/mwifiex/scan.c b/drivers/net/wireless/mwifiex/scan.c index 801b6b7..284d68b 100644 --- a/drivers/net/wireless/mwifiex/scan.c +++ b/drivers/net/wireless/mwifiex/scan.c @@ -391,6 +391,12 @@ mwifiex_is_network_compatible(struct mwifiex_private *priv, return 0; } + if (bss_desc->chan_sw_ie_present) { + dev_err(adapter->dev, + "Don't connect to AP with WLAN_EID_CHANNEL_SWITCH\n"); + return -1; + } + if (mwifiex_is_bss_wapi(priv, bss_desc)) { dev_dbg(adapter->dev, "info: return success for WAPI AP\n"); return 0; @@ -1169,6 +1175,19 @@ int mwifiex_update_bss_desc_with_ie(struct mwifiex_adapter *adapter, bss_entry->erp_flags = *(current_ptr + 2); break; + case WLAN_EID_PWR_CONSTRAINT: + bss_entry->local_constraint = *(current_ptr + 2); + bss_entry->sensed_11h = true; + break; + + case WLAN_EID_CHANNEL_SWITCH: + bss_entry->chan_sw_ie_present = true; + case WLAN_EID_PWR_CAPABILITY: + case WLAN_EID_TPC_REPORT: + case WLAN_EID_QUIET: + bss_entry->sensed_11h = true; + break; + case WLAN_EID_EXT_SUPP_RATES: /* * Only process extended supported rate diff --git a/drivers/net/wireless/mwifiex/sta_event.c b/drivers/net/wireless/mwifiex/sta_event.c index 41aafc7..d28c920 100644 --- a/drivers/net/wireless/mwifiex/sta_event.c +++ b/drivers/net/wireless/mwifiex/sta_event.c @@ -427,6 +427,14 @@ int mwifiex_process_sta_event(struct mwifiex_private *priv) break; + case EVENT_CHANNEL_SWITCH_ANN: + dev_dbg(adapter->dev, "event: Channel Switch Announcement\n"); + ret = mwifiex_send_cmd_async(priv, + HostCmd_CMD_802_11_DEAUTHENTICATE, + HostCmd_ACT_GEN_SET, 0, + priv->curr_bss_params.bss_descriptor.mac_address); + break; + default: dev_dbg(adapter->dev, "event: unknown event id: %#x\n", eventcause); diff --git a/drivers/net/wireless/mwifiex/sta_ioctl.c b/drivers/net/wireless/mwifiex/sta_ioctl.c index 15b5457..498add7 100644 --- a/drivers/net/wireless/mwifiex/sta_ioctl.c +++ b/drivers/net/wireless/mwifiex/sta_ioctl.c @@ -178,6 +178,9 @@ int mwifiex_fill_new_bss_desc(struct mwifiex_private *priv, */ bss_desc->disable_11ac = true; + if (bss_desc->cap_info_bitmap & WLAN_CAPABILITY_SPECTRUM_MGMT) + bss_desc->sensed_11h = true; + return mwifiex_update_bss_desc_with_ie(priv->adapter, bss_desc); } |