| /* |
| * Copyright (c) 2014-2016 The Linux Foundation. All rights reserved. |
| * |
| * Previously licensed under the ISC license by Qualcomm Atheros, Inc. |
| * |
| * |
| * 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. |
| */ |
| |
| /* |
| * This file was originally distributed by Qualcomm Atheros, Inc. |
| * under proprietary terms before Copyright ownership was assigned |
| * to the Linux Foundation. |
| */ |
| |
| #if !defined(__CDS_PKT_H) |
| #define __CDS_PKT_H |
| |
| /**========================================================================= |
| |
| \file cds_packet.h |
| |
| \brief Connectivity driver services (CDS) network Packet APIs |
| |
| Network Protocol packet/buffer support interfaces |
| |
| ========================================================================*/ |
| |
| /*-------------------------------------------------------------------------- |
| Include Files |
| ------------------------------------------------------------------------*/ |
| #include <qdf_types.h> |
| #include <qdf_status.h> |
| |
| /*-------------------------------------------------------------------------- |
| Preprocessor definitions and constants |
| ------------------------------------------------------------------------*/ |
| |
| /*-------------------------------------------------------------------------- |
| Type declarations |
| ------------------------------------------------------------------------*/ |
| struct cds_pkt_t; |
| typedef struct cds_pkt_t cds_pkt_t; |
| |
| #include "cdf_nbuf.h" |
| |
| #define CDS_PKT_TRAC_TYPE_EAPOL NBUF_PKT_TRAC_TYPE_EAPOL |
| #define CDS_PKT_TRAC_TYPE_DHCP NBUF_PKT_TRAC_TYPE_DHCP |
| #define CDS_PKT_TRAC_TYPE_MGMT_ACTION NBUF_PKT_TRAC_TYPE_MGMT_ACTION /* Managment action frame */ |
| |
| #define CDS_PKT_TRAC_DUMP_CMD 9999 |
| |
| /*--------------------------------------------------------------------------- |
| |
| * brief cds_pkt_get_proto_type() - |
| Find protoco type from packet contents |
| |
| * skb Packet Pointer |
| * tracking_map packet type want to track |
| * dot11_type, frame type when the frame is in dot11 format |
| |
| ---------------------------------------------------------------------------*/ |
| uint8_t cds_pkt_get_proto_type |
| (struct sk_buff *skb, uint8_t tracking_map, uint8_t dot11_type); |
| |
| #ifdef QCA_PKT_PROTO_TRACE |
| /*--------------------------------------------------------------------------- |
| |
| * brief cds_pkt_trace_buf_update() - |
| Update storage buffer with interest event string |
| |
| * event_string Event String may packet type or outstanding event |
| |
| ---------------------------------------------------------------------------*/ |
| void cds_pkt_trace_buf_update(char *event_string); |
| |
| /*--------------------------------------------------------------------------- |
| |
| * brief cds_pkt_trace_buf_dump() - |
| Dump stored information into kernel log |
| |
| ---------------------------------------------------------------------------*/ |
| void cds_pkt_trace_buf_dump(void); |
| |
| /*--------------------------------------------------------------------------- |
| |
| * brief cds_pkt_proto_trace_init() - |
| Initialize protocol trace functionality, allocate required resource |
| |
| ---------------------------------------------------------------------------*/ |
| void cds_pkt_proto_trace_init(void); |
| |
| /*--------------------------------------------------------------------------- |
| |
| * brief cds_pkt_proto_trace_close() - |
| Free required resource |
| |
| ---------------------------------------------------------------------------*/ |
| void cds_pkt_proto_trace_close(void); |
| #else |
| static inline void cds_pkt_proto_trace_init(void) { } |
| static inline void cds_pkt_proto_trace_close(void) {} |
| #endif /* QCA_PKT_PROTO_TRACE */ |
| |
| /** |
| * cds_pkt_return_packet Free the cds Packet |
| * @ cds Packet |
| */ |
| QDF_STATUS cds_pkt_return_packet(cds_pkt_t *packet); |
| |
| /** |
| * cds_pkt_get_packet_length Returns the packet length |
| * @ cds Packet |
| */ |
| QDF_STATUS cds_pkt_get_packet_length(cds_pkt_t *pPacket, |
| uint16_t *pPacketSize); |
| |
| /* |
| * TODO: Remove later |
| * All the below difinitions are not |
| * required for Host Driver 2.0 |
| * once corresponding references are removed |
| * from HDD and other layers |
| * below code will be removed |
| */ |
| /* The size of AMSDU frame per spec can be a max of 3839 bytes |
| in BD/PDUs that means 30 (one BD = 128 bytes) |
| we must add the size of the 802.11 header to that */ |
| #define CDS_PKT_SIZE_BUFFER ((30 * 128) + 32) |
| |
| /* cds Packet Types */ |
| typedef enum { |
| /* cds Packet is used to transmit 802.11 Management frames. */ |
| CDS_PKT_TYPE_TX_802_11_MGMT, |
| |
| /* cds Packet is used to transmit 802.11 Data frames. */ |
| CDS_PKT_TYPE_TX_802_11_DATA, |
| |
| /* cds Packet is used to transmit 802.3 Data frames. */ |
| CDS_PKT_TYPE_TX_802_3_DATA, |
| |
| /* cds Packet contains Received data of an unknown frame type */ |
| CDS_PKT_TYPE_RX_RAW, |
| |
| /* Invalid sentinel value */ |
| CDS_PKT_TYPE_MAXIMUM |
| } CDS_PKT_TYPE; |
| |
| /* user IDs. These IDs are needed on the cds_pkt_get/set_user_data_ptr() |
| to identify the user area in the cds Packet. */ |
| typedef enum { |
| CDS_PKT_USER_DATA_ID_TL = 0, |
| CDS_PKT_USER_DATA_ID_BAL, |
| CDS_PKT_USER_DATA_ID_WMA, |
| CDS_PKT_USER_DATA_ID_HDD, |
| CDS_PKT_USER_DATA_ID_BSL, |
| |
| CDS_PKT_USER_DATA_ID_MAX |
| } CDS_PKT_USER_DATA_ID; |
| |
| #ifdef MEMORY_DEBUG |
| #define cds_packet_alloc(s, d, p) \ |
| cds_packet_alloc_debug(s, d, p, __FILE__, __LINE__) |
| |
| QDF_STATUS cds_packet_alloc_debug(uint16_t size, void **data, void **ppPacket, |
| uint8_t *file_name, uint32_t line_num); |
| #else |
| QDF_STATUS cds_packet_alloc(uint16_t size, void **data, void **ppPacket); |
| #endif |
| |
| void cds_packet_free(void *pPacket); |
| |
| typedef QDF_STATUS (*cds_pkt_get_packet_callback)(cds_pkt_t *pPacket, |
| void *userData); |
| |
| #endif /* !defined( __CDS_PKT_H ) */ |