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implement basic 802.11n support

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Add suport to enable 80211n support on the BSS and set
station parameters through the "Add Station" procedure.

Setting 802.11n radio parameters is rudementary and does
not work yet.
This commit is contained in:
Andreas Schultz
2016-03-10 11:56:03 +01:00
parent e3a977e40a
commit 2109c62b80
13 changed files with 447 additions and 107 deletions
Download Patch File Download Diff File Expand all files Collapse all files

76
src/common/binding/ieee80211/ieee80211.h
View File

@ -500,6 +500,80 @@ struct ieee80211_ie_wmm_information_element {
uint8_t qos_info;
} STRUCT_PACKED;
#define IEEE80211_HT_MCS_MASK_LEN 10
struct ieee80211_mcs_info {
uint8_t rx_mask[IEEE80211_HT_MCS_MASK_LEN];
uint16_t rx_highest;
uint8_t tx_params;
uint8_t reserved[3];
} STRUCT_PACKED;
/**
* struct ieee80211_ht_cap - HT capabilities
*
* This structure is the "HT capabilities element" as
* described in 802.11n D5.0 7.3.2.57
*/
#define IEEE80211_IE_HT_CAPABILITY 45
struct ieee80211_ht_cap {
uint16_t cap_info;
uint8_t ampdu_params_info;
/* 16 bytes MCS information */
struct ieee80211_mcs_info mcs;
uint16_t extended_ht_cap_info;
uint32_t tx_BF_cap_info;
uint8_t antenna_selection_info;
} STRUCT_PACKED;
struct ieee80211_ie_ht_cap {
uint8_t id;
uint8_t len;
struct ieee80211_ht_cap ht_cap;
} STRUCT_PACKED;
/* 802.11n HT capabilities masks (for cap_info) */
#define IEEE80211_HT_CAP_LDPC_CODING 0x0001
#define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002
#define IEEE80211_HT_CAP_SM_PS 0x000C
#define IEEE80211_HT_CAP_SM_PS_SHIFT 2
#define IEEE80211_HT_CAP_GRN_FLD 0x0010
#define IEEE80211_HT_CAP_SGI_20 0x0020
#define IEEE80211_HT_CAP_SGI_40 0x0040
#define IEEE80211_HT_CAP_TX_STBC 0x0080
#define IEEE80211_HT_CAP_RX_STBC 0x0300
#define IEEE80211_HT_CAP_RX_STBC_SHIFT 8
#define IEEE80211_HT_CAP_DELAY_BA 0x0400
#define IEEE80211_HT_CAP_MAX_AMSDU 0x0800
#define IEEE80211_HT_CAP_DSSSCCK40 0x1000
#define IEEE80211_HT_CAP_RESERVED 0x2000
#define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000
#define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000
/**
* struct ieee80211_ht_operation - HT operation IE
*
* This structure is the "HT operation element" as
* described in 802.11n-2009 7.3.2.57
*/
#define IEEE80211_IE_HT_OPERATION 61
struct ieee80211_ht_operation {
uint8_t id;
uint8_t len;
uint8_t primary_chan;
uint8_t ht_param;
uint16_t operation_mode;
uint16_t stbc_param;
uint8_t basic_set[16];
} STRUCT_PACKED;
/* 802.11 All information elements */
struct ieee80211_ie_items {
struct ieee80211_ie_ssid *ssid;
@ -514,6 +588,8 @@ struct ieee80211_ie_items {
struct ieee80211_ie_power_constraint *power_constraint;
struct ieee80211_ie_ssid_list *ssid_list;
struct ieee80211_ie_wmm_information_element *wmm_ie;
struct ieee80211_ie_ht_cap *ht_cap;
struct ieee80211_ht_operation *ht_oper;
};
/* IEEE 802.11 functions */

3
src/common/capwap_debug.h
View File

@ -1,6 +1,9 @@
#ifndef __CAPWAP_DEBUG_HEADER__
#define __CAPWAP_DEBUG_HEADER__
#define MACSTR "%02x:%02x:%02x:%02x:%02x:%02x"
#define MAC2STR(a) (a)[0], (a)[1], (a)[2], (a)[3], (a)[4], (a)[5]
#ifdef DEBUG
#define ASSERT(expr) if (!(expr)) { capwap_logging_fatal("Assertion failed \'%s\': %s(%d)", #expr, __FILE__, __LINE__); capwap_exit(CAPWAP_ASSERT_CONDITION); }

2
src/common/capwap_element.c
View File

@ -229,7 +229,7 @@ int capwap_parsing_packet(struct capwap_packet_rxmng* rxmngpacket, struct capwap
rxmngpacket->read_ops.read_u32((capwap_message_elements_handle)rxmngpacket, &vendor_id.vendor);
rxmngpacket->read_ops.read_u16((capwap_message_elements_handle)rxmngpacket, &vendor_id.type);
capwap_logging_debug("VENDOR MESSAGE ELEMENT: %06x:%d", id.vendor, id.type);
capwap_logging_debug("VENDOR MESSAGE ELEMENT: %06x:%d", vendor_id.vendor, vendor_id.type);
read_ops = capwap_get_message_element_ops(vendor_id);
capwap_logging_debug("vendor read_ops: %p", read_ops);

2
src/common/capwap_element_80211n_radioconf.c
View File

@ -85,7 +85,7 @@ capwap_80211n_radioconf_element_free(void* data)
/* */
const struct capwap_message_elements_ops capwap_element_80211n_radioconf_ops = {
.category = CAPWAP_MESSAGE_ELEMENT_SINGLE,
.category = CAPWAP_MESSAGE_ELEMENT_ARRAY,
.create = capwap_80211n_radioconf_element_create,
.parse = capwap_80211n_radioconf_element_parsing,
.clone = capwap_80211n_radioconf_element_clone,

2
src/common/capwap_element_80211n_radioconf.h
View File

@ -2,7 +2,7 @@
#define __CAPWAP_ELEMENT_80211N_RADIO_CONF_HEADER__
#define CAPWAP_ELEMENT_80211N_RADIO_CONF_VENDOR CAPWAP_VENDOR_TRAVELPING_ID
#define CAPWAP_ELEMENT_80211N_RADIO_CONF_TYPE 8
#define CAPWAP_ELEMENT_80211N_RADIO_CONF_TYPE 16
#define CAPWAP_ELEMENT_80211N_RADIO_CONF (struct capwap_message_element_id){ .vendor = CAPWAP_ELEMENT_80211N_RADIO_CONF_VENDOR, .type = CAPWAP_ELEMENT_80211N_RADIO_CONF_TYPE }

3
src/common/capwap_element_80211n_station_information.h
View File

@ -2,12 +2,13 @@
#define __CAPWAP_ELEMENT_80211N_STATION_INFO_HEADER__
#define CAPWAP_ELEMENT_80211N_STATION_INFO_VENDOR CAPWAP_VENDOR_TRAVELPING_ID
#define CAPWAP_ELEMENT_80211N_STATION_INFO_TYPE 9
#define CAPWAP_ELEMENT_80211N_STATION_INFO_TYPE 17
#define CAPWAP_ELEMENT_80211N_STATION_INFO (struct capwap_message_element_id){ .vendor = CAPWAP_ELEMENT_80211N_STATION_INFO_VENDOR, .type = CAPWAP_ELEMENT_80211N_STATION_INFO_TYPE }
#define CAPWAP_80211N_STATION_INFO_40MHZ_BANDWITH (1 << 7)
#define CAPWAP_80211N_STATION_INFO_POWER_SAVE_MODE ((1 << 6) | (1 << 5))
#define CAPWAP_80211N_STATION_INFO_POWER_SAVE_MODE_SHIFT 5
#define CAPWAP_80211N_STATION_INFO_SHORT_GUARD_INTERVAL_AT_20MHZ (1 << 4)
#define CAPWAP_80211N_STATION_INFO_SHORT_GUARD_INTERVAL_AT_40MHZ (1 << 3)
#define CAPWAP_80211N_STATION_INFO_BLOCK_ACK_DELAY_MODE (1 << 2)