/*
* Copyright (c) 2014-2020 The Linux Foundation. All rights reserved.
* Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved.
*
* Permission to use, copy, modify, and/or distribute this software for
* any purpose with or without fee is hereby granted, provided that the
* above copyright notice and this permission notice appear in all
* copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
/**
* DOC: qdf_net_types
* This file defines types used in the networking stack abstraction.
*/
#ifndef _QDF_NET_TYPES_H
#define _QDF_NET_TYPES_H
#include <qdf_types.h> /* uint8_t, etc. */
#include <i_qdf_net_types.h>
/* Extended Traffic ID passed to target if the TID is unknown */
#define QDF_NBUF_TX_EXT_TID_INVALID 0x1f
/**
* enum qdf_nbuf_exemption_type - QDF net buf exemption types for encryption
* @QDF_NBUF_EXEMPT_NO_EXEMPTION: No exemption
* @QDF_NBUF_EXEMPT_ALWAYS: Exempt always
* @QDF_NBUF_EXEMPT_ON_KEY_MAPPING_KEY_UNAVAILABLE: Exempt on key mapping
*/
enum qdf_nbuf_exemption_type {
QDF_NBUF_EXEMPT_NO_EXEMPTION = 0,
QDF_NBUF_EXEMPT_ALWAYS,
QDF_NBUF_EXEMPT_ON_KEY_MAPPING_KEY_UNAVAILABLE
};
typedef __wsum_t wsum_t;
typedef __in6_addr_t in6_addr_t;
#define QDF_NET_MAC_ADDR_MAX_LEN 6
#define QDF_NET_IF_NAME_SIZE 64
#define QDF_NET_ETH_LEN QDF_NET_MAC_ADDR_MAX_LEN
#define QDF_NET_MAX_MCAST_ADDR 64
#define QDF_NET_IPV4_LEN 4
#define QDF_TID_VI 5
#define QDF_TID_VO 6
#define QDF_TID_BE 0
#define QDF_TID_BK 1
/* Extended Traffic ID passed to target if the TID is unknown */
#define QDF_NBUF_TX_EXT_TID_INVALID 0x1f
#define QDF_ETH_TYPE_IPV4 0x0800 /* IPV4 */
#define QDF_ETH_TYPE_IPV6 0x86dd /* IPV6 */
#define QDF_ETH_TYPE_8021Q 0x8100 /* 802.1Q vlan protocol */
#define QDF_ETH_TYPE_8021AD 0x88a8 /* 802.1AD vlan protocol */
#define QDF_IEEE80211_4ADDR_HDR_LEN 30
#define QDF_IEEE80211_3ADDR_HDR_LEN 24
#define QDF_IEEE80211_FC0_SUBTYPE_QOS 0x80
#define QDF_IEEE80211_FC1_TODS 0x01
#define QDF_IEEE80211_FC1_FROMDS 0x02
#define QDF_IEEE80211_FC1_PM 0x10
#define QDF_IEEE80211_FC0_VERSION_0 0x00
#define QDF_IEEE80211_FC0_VERSION_MASK 0x03
#define QDF_IEEE80211_FC0_TYPE_MASK 0x0c
#define QDF_IEEE80211_FC0_SUBTYPE_MASK 0xf0
#define QDF_IEEE80211_FC0_TYPE_DATA 0x08
#define QDF_IEEE80211_FC0_SUBTYPE_DATA 0x00
#define QDF_IEEE80211_FC0_SUBTYPE_QOS 0x80
#define QDF_IEEE80211_FC0_SUBTYPE_QOS_NULL 0xC0
#define QDF_IEEE80211_FC0_SUBTYPE_NODATA 0x40
#define QDF_IEEE80211_FC0_TYPE_CTL 0x04
#define QDF_IEEE80211_FC0_SUBTYPE_BEAM_REPORT_POLL 0x40
#define QDF_IEEE80211_FC0_SUBTYPE_VHT_NDP_AN 0x50
#define QDF_IEEE80211_FC0_SUBTYPE_CTL_FRAME_EXTN 0x60
#define QDF_IEEE80211_FC0_SUBTYPE_CTL_WRAPPER 0x70
#define QDF_IEEE80211_FC0_SUBTYPE_BAR 0x80
#define QDF_IEEE80211_FC0_SUBTYPE_BA 0x90
#define QDF_IEEE80211_FC0_SUBTYPE_PSPOLL 0xA0
#define QDF_IEEE80211_FC0_SUBTYPE_RTS 0xB0
#define QDF_IEEE80211_FC0_SUBTYPE_ACK 0xD0
#define QDF_IEEE80211_FC0_SUBTYPE_CF_END 0xE0
#define QDF_IEEE80211_FC0_SUBTYPE_CF_END_CF_ACK 0xF0
#define QDF_NET_IS_MAC_MULTICAST(_a) (*(_a) & 0x01)
/*
* In LLC header individual LSAP address 0x42 in
* DSAP and SSAP signifies IEEE 802.1 Bridge
* Spanning Tree Protocol
*/
#define QDF_LLC_STP 0x4242
typedef struct qdf_net_ethaddr {
uint8_t addr[QDF_NET_ETH_LEN];
} qdf_net_ethaddr_t;
/**
* typedef qdf_net_arphdr_t - ARP header info
* @ar_hrd: hardware type
* @ar_pro: protocol type
* @ar_hln: hardware address length
* @ar_pln: protocol length
* @ar_op: arp operation code
* @ar_sha: sender hardware address
* @ar_sip: sender IP address
* @ar_tha: target hardware address
* @ar_tip: target IP address
*/
typedef struct qdf_net_arphdr {
uint16_t ar_hrd;
uint16_t ar_pro;
uint8_t ar_hln;
uint8_t ar_pln;
uint16_t ar_op;
uint8_t ar_sha[QDF_NET_ETH_LEN];
uint8_t ar_sip[QDF_NET_IPV4_LEN];
uint8_t ar_tha[QDF_NET_ETH_LEN];
uint8_t ar_tip[QDF_NET_IPV4_LEN];
} qdf_net_arphdr_t;
/**
* typedef qdf_net_icmp6_11addr_t - ICMP6 header info
* @type: hardware type
* @len: hardware address length
* @addr: hardware address
*/
typedef struct qdf_net_icmp6_11addr {
uint8_t type;
uint8_t len;
uint8_t addr[QDF_NET_ETH_LEN];
} qdf_net_icmp6_11addr_t;
#define QDF_TCPHDR_FIN __QDF_TCPHDR_FIN
#define QDF_TCPHDR_SYN __QDF_TCPHDR_SYN
#define QDF_TCPHDR_RST __QDF_TCPHDR_RST
#define QDF_TCPHDR_PSH __QDF_TCPHDR_PSH
#define QDF_TCPHDR_ACK __QDF_TCPHDR_ACK
#define QDF_TCPHDR_URG __QDF_TCPHDR_URG
#define QDF_TCPHDR_ECE __QDF_TCPHDR_ECE
#define QDF_TCPHDR_CWR __QDF_TCPHDR_CWR
typedef struct {
uint16_t source;
uint16_t dest;
uint32_t seq;
uint32_t ack_seq;
#if defined(QDF_LITTLE_ENDIAN_MACHINE)
uint16_t res1:4,
doff:4,
fin:1,
syn:1,
rst:1,
psh:1,
ack:1,
urg:1,
ece:1,
cwr:1;
#elif defined(QDF_BIG_ENDIAN_MACHINE)
uint16_t doff:4,
res1:4,
cwr:1,
ece:1,
urg:1,
ack:1,
psh:1,
rst:1,
syn:1,
fin:1;
#else
#error "Adjust your byte order"
#endif
uint16_t window;
uint16_t check;
uint16_t urg_ptr;
} qdf_net_tcphdr_t;
typedef struct {
#if defined(QDF_LITTLE_ENDIAN_MACHINE)
uint8_t ip_hl:4,
ip_version:4;
#elif defined(QDF_BIG_ENDIAN_MACHINE)
uint8_t ip_version:4,
ip_hl:4;
#else
#error "Please fix"
#endif
uint8_t ip_tos;
uint16_t ip_len;
uint16_t ip_id;
uint16_t ip_frag_off;
uint8_t ip_ttl;
uint8_t ip_proto;
uint16_t ip_check;
uint32_t ip_saddr;
uint32_t ip_daddr;
/*The options start here. */
} qdf_net_iphdr_t;
/* V3 group record types [grec_type] */
#define IGMPV3_MODE_IS_INCLUDE 1
#define IGMPV3_MODE_IS_EXCLUDE 2
#define IGMPV3_CHANGE_TO_INCLUDE 3
#define IGMPV3_CHANGE_TO_EXCLUDE 4
#define IGMPV3_ALLOW_NEW_SOURCES 5
#define IGMPV3_BLOCK_OLD_SOURCES 6
/**
* typedef qdf_net_cmd_vid_t - Command for set/unset vid
*/
typedef uint16_t qdf_net_cmd_vid_t ; /*get/set vlan id*/
/**
* typedef qdf_nbuf_tx_cksum_t - transmit checksum offload types
* @QDF_NBUF_TX_CKSUM_NONE: No checksum offload
* @QDF_NBUF_TX_CKSUM_IP: IP header checksum offload
* @QDF_NBUF_TX_CKSUM_TCP_UDP: TCP/UDP checksum offload
* @QDF_NBUF_TX_CKSUM_TCP_UDP_IP: TCP/UDP and IP header checksum offload
*/
typedef enum {
QDF_NBUF_TX_CKSUM_NONE,
QDF_NBUF_TX_CKSUM_IP,
QDF_NBUF_TX_CKSUM_TCP_UDP,
QDF_NBUF_TX_CKSUM_TCP_UDP_IP,
} qdf_nbuf_tx_cksum_t;
/**
* typedef qdf_nbuf_l4_rx_cksum_type_t - receive checksum API types
* @QDF_NBUF_RX_CKSUM_ZERO: Rx checksum zero
* @QDF_NBUF_RX_CKSUM_TCP: Rx checksum TCP
* @QDF_NBUF_RX_CKSUM_UDP: Rx checksum UDP
* @QDF_NBUF_RX_CKSUM_TCPIPV6: Rx checksum TCP IPV6
* @QDF_NBUF_RX_CKSUM_UDPIPV6: Rx checksum UDP IPV6
* @QDF_NBUF_RX_CKSUM_TCP_NOPSEUDOHEADER: Rx checksum TCP no pseudo header
* @QDF_NBUF_RX_CKSUM_UDP_NOPSEUDOHEADER: Rx checksum UDP no pseudo header
* @QDF_NBUF_RX_CKSUM_TCPSUM16: Rx checksum TCP SUM16
*/
typedef enum {
QDF_NBUF_RX_CKSUM_ZERO = 0x0000,
QDF_NBUF_RX_CKSUM_TCP = 0x0001,
QDF_NBUF_RX_CKSUM_UDP = 0x0002,
QDF_NBUF_RX_CKSUM_TCPIPV6 = 0x0010,
QDF_NBUF_RX_CKSUM_UDPIPV6 = 0x0020,
QDF_NBUF_RX_CKSUM_TCP_NOPSEUDOHEADER = 0x0100,
QDF_NBUF_RX_CKSUM_UDP_NOPSEUDOHEADER = 0x0200,
QDF_NBUF_RX_CKSUM_TCPSUM16 = 0x1000,
} qdf_nbuf_l4_rx_cksum_type_t;
/**
* typedef qdf_nbuf_l4_rx_cksum_result_t - receive checksum status types
* @QDF_NBUF_RX_CKSUM_NONE: Device failed to checksum
* @QDF_NBUF_RX_CKSUM_TCP_UDP_HW: TCP/UDP cksum successful and value returned
* @QDF_NBUF_RX_CKSUM_TCP_UDP_UNNECESSARY: TCP/UDP cksum successful, no value
*/
typedef enum {
QDF_NBUF_RX_CKSUM_NONE = 0x0000,
QDF_NBUF_RX_CKSUM_TCP_UDP_HW = 0x0010,
QDF_NBUF_RX_CKSUM_TCP_UDP_UNNECESSARY = 0x0020,
} qdf_nbuf_l4_rx_cksum_result_t;
/**
* typedef qdf_nbuf_rx_cksum_t - receive checksum type
* @l4_type: L4 type
* @l4_result: L4 result
* @csum_level: indicates number of checksum are calculated
*/
typedef struct {
qdf_nbuf_l4_rx_cksum_type_t l4_type;
qdf_nbuf_l4_rx_cksum_result_t l4_result;
uint32_t val;
uint32_t csum_level;
} qdf_nbuf_rx_cksum_t;
#define QDF_ARP_REQ 1 /* ARP request */
#define QDF_ARP_RSP 2 /* ARP response */
#define QDF_ARP_RREQ 3 /* RARP request */
#define QDF_ARP_RRSP 4 /* RARP response */
#define QDF_NEXTHDR_ICMP 58 /* ICMP for IPv6. */
/* Neighbor Discovery */
#define QDF_ND_RSOL 133 /* Router Solicitation */
#define QDF_ND_RADVT 134 /* Router Advertisement */
#define QDF_ND_NSOL 135 /* Neighbor Solicitation */
#define QDF_ND_NADVT 136 /* Neighbor Advertisement */
/**
* typedef qdf_net_udphdr_t - UDP header info
* @src_port: source port
* @dst_port: destination port
* @udp_len: length
* @udp_cksum: checksum
*/
typedef struct {
uint16_t src_port;
uint16_t dst_port;
uint16_t udp_len;
uint16_t udp_cksum;
} qdf_net_udphdr_t;
/**
* typedef qdf_net_dhcphdr_t - DHCP header info
* @dhcp_msg_type: message type
* @dhcp_hw_type: hardware type
* @dhcp_hw_addr_len: hardware address length
* @dhcp_num_hops: number of hops
* @dhcp_transc_id: transaction id
* @dhcp_secs_elapsed: time elapsed
* @dhcp_flags: flags
* @dhcp_ciaddr: client IP
* @dhcp_yiaddr: device IP
* @dhcp_siaddr_nip: Server IP
* @dhcp_gateway_nip: relay agent IP
* @dhcp_chaddr: LLC hardware address
* @dhcp_sname: server host name
* @dhcp_file: boot file name
* @dhcp_cookie: cookie
*/
typedef struct {
uint8_t dhcp_msg_type;
uint8_t dhcp_hw_type;
uint8_t dhcp_hw_addr_len;
uint8_t dhcp_num_hops;
uint32_t dhcp_transc_id;
uint16_t dhcp_secs_elapsed;
uint16_t dhcp_flags;
uint32_t dhcp_ciaddr;
uint32_t dhcp_yiaddr;
uint32_t dhcp_siaddr_nip;
uint32_t dhcp_gateway_nip;
uint8_t dhcp_chaddr[16];
uint8_t dhcp_sname[64];
uint8_t dhcp_file[128];
uint8_t dhcp_cookie[4];
} qdf_net_dhcphdr_t;
/**
* typedef qdf_net_vlanhdr_t - Vlan header
* @tpid:
* @vid:
* @cfi:
* @prio:
*/
typedef struct qdf_net_vlanhdr {
uint16_t tpid;
#if defined(QDF_LITTLE_ENDIAN_MACHINE)
uint16_t vid:12; /* Vlan id*/
uint8_t cfi:1; /* reserved for CFI, don't use*/
uint8_t prio:3; /* Priority*/
#elif defined(QDF_BIG_ENDIAN_MACHINE)
uint8_t prio:3; /* Priority*/
uint8_t cfi:1; /* reserved for CFI, don't use*/
uint16_t vid:12; /* Vlan id*/
#else
#error "Please fix"
#endif
} qdf_net_vlanhdr_t;
typedef struct qdf_net_vid {
#if defined(QDF_LITTLE_ENDIAN_MACHINE)
uint16_t val:12;
uint8_t res:4;
#elif defined(QDF_BIG_ENDIAN_MACHINE)
uint8_t res:4;
uint16_t val:12;
#else
#error "Please fix"
#endif
} qdf_net_vid_t;
typedef enum {
QDF_NET_TSO_NONE,
QDF_NET_TSO_IPV4, /**< for tsp ipv4 only*/
QDF_NET_TSO_ALL, /**< ip4 & ipv6*/
} qdf_net_tso_type_t;
/**
* typedef qdf_net_dev_info_t - Basic device info
* @if_name:
* @dev_addr:
* @header_len:
* @mtu_size:
* @unit:
*/
typedef struct {
uint8_t if_name[QDF_NET_IF_NAME_SIZE];
uint8_t dev_addr[QDF_NET_MAC_ADDR_MAX_LEN];
uint16_t header_len;
uint16_t mtu_size;
uint32_t unit;
} qdf_net_dev_info_t;
/**
* typedef qdf_nbuf_tso_t - For TCP large Segment Offload
* @type:
* @mss:
* @hdr_off:
*/
typedef struct {
qdf_net_tso_type_t type;
uint16_t mss;
uint8_t hdr_off;
} qdf_nbuf_tso_t;
/**
* typedef qdf_net_wireless_event_t - Wireless events
* @QDF_IEEE80211_ASSOC: station associate (bss mode)
* @QDF_IEEE80211_REASSOC: station re-associate (bss mode)
* @QDF_IEEE80211_DISASSOC: station disassociate (bss mode)
* @QDF_IEEE80211_JOIN: station join (ap mode)
* @QDF_IEEE80211_LEAVE: station leave (ap mode)
* @QDF_IEEE80211_SCAN: scan complete, results available
* @QDF_IEEE80211_REPLAY: sequence counter replay detected
* @QDF_IEEE80211_MICHAEL: Michael MIC failure detected
* @QDF_IEEE80211_REJOIN: station re-associate (ap mode)
* @QDF_CUSTOM_PUSH_BUTTON: WPS push button
*/
typedef enum qdf_net_wireless_events {
QDF_IEEE80211_ASSOC = __QDF_IEEE80211_ASSOC,
QDF_IEEE80211_REASSOC = __QDF_IEEE80211_REASSOC,
QDF_IEEE80211_DISASSOC = __QDF_IEEE80211_DISASSOC,
QDF_IEEE80211_JOIN = __QDF_IEEE80211_JOIN,
QDF_IEEE80211_LEAVE = __QDF_IEEE80211_LEAVE,
QDF_IEEE80211_SCAN = __QDF_IEEE80211_SCAN,
QDF_IEEE80211_REPLAY = __QDF_IEEE80211_REPLAY,
QDF_IEEE80211_MICHAEL = __QDF_IEEE80211_MICHAEL,
QDF_IEEE80211_REJOIN = __QDF_IEEE80211_REJOIN,
QDF_CUSTOM_PUSH_BUTTON = __QDF_CUSTOM_PUSH_BUTTON
} qdf_net_wireless_event_t;
/**
* typedef qdf_net_ipv6_addr_t - IPv6 Address
* @in6_u: union of IPv6 address representations
*/
typedef struct {
union {
uint8_t u6_addr8[16];
uint16_t u6_addr16[8];
uint32_t u6_addr32[4];
} in6_u;
#define s6_addr32 in6_u.u6_addr32
} qdf_net_ipv6_addr_t;
/**
* struct qdf_net_ipv6hdr_t - IPv6 Header
* @ipv6_priority:
* @ipv6_version:
* @ipv6_flow_lbl:
* @ipv6_payload_len:
* @ipv6_nexthdr:
* @ipv6_hop_limit:
* @ipv6_saddr:
* @ipv6_daddr:
*/
typedef struct {
#if defined(QDF_LITTLE_ENDIAN_MACHINE)
uint8_t ipv6_priority:4,
ipv6_version:4;
#elif defined(QDF_BIG_ENDIAN_MACHINE)
uint8_t ipv6_version:4,
ipv6_priority:4;
#else
#error "Please fix"
#endif
uint8_t ipv6_flow_lbl[3];
uint16_t ipv6_payload_len;
uint8_t ipv6_nexthdr,
ipv6_hop_limit;
qdf_net_ipv6_addr_t ipv6_saddr,
ipv6_daddr;
} qdf_net_ipv6hdr_t;
/**
* typedef qdf_net_icmpv6hdr_t - ICMPv6 Header
* @icmp6_type: ICMPv6 message type
* @icmp6_code: ICMPv6 message code
* @icmp6_cksum: ICMPv6 message checksum
* @icmp6_dataun: Union of supported ICMPv6 message bodies
*/
typedef struct {
uint8_t icmp6_type;
uint8_t icmp6_code;
uint16_t icmp6_cksum;
union {
uint32_t un_data32[1];
uint16_t un_data16[2];
uint8_t un_data8[4];
struct {
uint16_t identifier;
uint16_t sequence;
} u_echo;
struct {
#if defined(QDF_LITTLE_ENDIAN_MACHINE)
uint32_t reserved:5,
override:1,
solicited:1,
router:1,
reserved2:24;
#elif defined(QDF_BIG_ENDIAN_MACHINE)
uint32_t router:1,
solicited:1,
override:1,
reserved:29;
#else
#error "Please fix"
#endif
} u_nd_advt;
struct {
uint8_t hop_limit;
#if defined(QDF_LITTLE_ENDIAN_MACHINE)
uint8_t reserved:6,
other:1,
managed:1;
#elif defined(QDF_BIG_ENDIAN_MACHINE)
uint8_t managed:1,
other:1,
reserved:6;
#else
#error "Please fix"
#endif
uint16_t rt_lifetime;
} u_nd_ra;
} icmp6_dataun;
} qdf_net_icmpv6hdr_t;
/**
* typedef qdf_net_nd_msg_t - Neighbor Discovery Message
* @nd_icmph: ICMPv6 header
* @nd_target: Target IPv6 address
* @nd_opt: Neighbor Discovery options
*/
typedef struct {
qdf_net_icmpv6hdr_t nd_icmph;
qdf_net_ipv6_addr_t nd_target;
uint8_t nd_opt[0];
} qdf_net_nd_msg_t;
static inline
__sum16 qdf_csum_tcpudp_magic(uint32_t ip_saddr, uint32_t ip_daddr,
uint16_t adj_ip_len, uint8_t ip_proto,
uint32_t sum)
{
return __qdf_csum_tcpudp_magic(ip_saddr, ip_daddr,
adj_ip_len, ip_proto, sum);
}
static inline
uint16_t qdf_ip_fast_csum(qdf_net_iphdr_t *iph_head, uint8_t ip_hl)
{
return __qdf_ip_fast_csum(iph_head, ip_hl);
}
static inline int32_t qdf_csum_ipv6(const in6_addr_t *saddr,
const in6_addr_t *daddr,
__u32 len, unsigned short proto,
wsum_t sum)
{
return (int32_t)__qdf_csum_ipv6(saddr, daddr, len, proto, sum);
}
static inline char *qdf_netdev_get_devname(qdf_netdev_t dev)
{
return __qdf_netdev_get_devname(dev);
}
typedef struct {
uint8_t i_fc[2];
uint8_t i_dur[2];
uint8_t i_addr1[QDF_NET_MAC_ADDR_MAX_LEN];
uint8_t i_addr2[QDF_NET_MAC_ADDR_MAX_LEN];
uint8_t i_addr3[QDF_NET_MAC_ADDR_MAX_LEN];
uint8_t i_seq[2];
uint8_t i_qos[2];
} qdf_dot3_qosframe_t;
typedef struct {
uint8_t ether_dhost[QDF_NET_MAC_ADDR_MAX_LEN];
uint8_t ether_shost[QDF_NET_MAC_ADDR_MAX_LEN];
uint16_t vlan_TCI;
uint16_t vlan_encapsulated_proto;
uint16_t ether_type;
} qdf_ethervlan_header_t;
/**
* typedef qdf_ether_header_t - ethernet header info
* @ether_dhost: destination hardware address
* @ether_shost: source hardware address
* @ether_type: ethernet type
*/
typedef struct {
uint8_t ether_dhost[QDF_NET_ETH_LEN];
uint8_t ether_shost[QDF_NET_ETH_LEN];
uint16_t ether_type;
} qdf_ether_header_t;
typedef struct {
uint8_t llc_dsap;
uint8_t llc_ssap;
union {
struct {
uint8_t control;
uint8_t format_id;
uint8_t class;
uint8_t window_x2;
} __packed type_u;
struct {
uint8_t num_snd_x2;
uint8_t num_rcv_x2;
} __packed type_i;
struct {
uint8_t control;
uint8_t num_rcv_x2;
} __packed type_s;
struct {
uint8_t control;
/*
* We cannot put the following fields in a structure
* because the structure rounding might cause padding.
*/
uint8_t frmr_rej_pdu0;
uint8_t frmr_rej_pdu1;
uint8_t frmr_control;
uint8_t frmr_control_ext;
uint8_t frmr_cause;
} __packed type_frmr;
struct {
uint8_t control;
uint8_t org_code[3];
uint16_t ether_type;
} __packed type_snap;
struct {
uint8_t control;
uint8_t control_ext;
} __packed type_raw;
} llc_un /* XXX __packed ??? */;
} qdf_llc_t;
#endif /*_QDF_NET_TYPES_H*/