/* * 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. */ /** * DOC: qdf_nbuf_public network buffer API * This file defines the network buffer abstraction. */ #ifndef _QDF_NBUF_H #define _QDF_NBUF_H #include #include #include #include #include #include #define IPA_NBUF_OWNER_ID 0xaa55aa55 #define QDF_NBUF_PKT_TRAC_TYPE_EAPOL 0x02 #define QDF_NBUF_PKT_TRAC_TYPE_DHCP 0x04 #define QDF_NBUF_PKT_TRAC_TYPE_MGMT_ACTION 0x08 #define QDF_NBUF_PKT_TRAC_TYPE_ARP 0x10 #define QDF_NBUF_PKT_TRAC_MAX_STRING 12 #define QDF_NBUF_PKT_TRAC_PROTO_STRING 4 #define QDF_NBUF_PKT_ERROR 1 #define QDF_NBUF_PKT_IPV4_DSCP_SHIFT 0x02 #define QDF_NBUF_PKT_IPV4_DSCP_MASK 0xFC #define QDF_NBUF_TRAC_IPV4_OFFSET 14 #define QDF_NBUF_TRAC_IPV4_HEADER_SIZE 20 #define QDF_NBUF_TRAC_DHCP_SRV_PORT 67 #define QDF_NBUF_TRAC_DHCP_CLI_PORT 68 #define QDF_NBUF_TRAC_ETH_TYPE_OFFSET 12 #define QDF_NBUF_TRAC_EAPOL_ETH_TYPE 0x888E #if 1 #define QDF_NBUF_TRAC_WAPI_ETH_TYPE 0x88b4 #endif #define QDF_NBUF_TRAC_ARP_ETH_TYPE 0x0806 #define QDF_NBUF_DEST_MAC_OFFSET 0 #define QDF_NBUF_SRC_MAC_OFFSET 6 /* EAPOL Related MASK */ #define EAPOL_PACKET_TYPE_OFFSET 15 #define EAPOL_KEY_INFO_OFFSET 19 #define EAPOL_MASK 0x8013 #define EAPOL_M1_BIT_MASK 0x8000 #define EAPOL_M2_BIT_MASK 0x0001 #define EAPOL_M3_BIT_MASK 0x8013 #define EAPOL_M4_BIT_MASK 0x0003 /* Tracked Packet types */ #define QDF_NBUF_TX_PKT_INVALID 0 #define QDF_NBUF_TX_PKT_DATA_TRACK 1 #define QDF_NBUF_TX_PKT_MGMT_TRACK 2 /* Different Packet states */ #define QDF_NBUF_TX_PKT_HDD 1 #define QDF_NBUF_TX_PKT_TXRX_ENQUEUE 2 #define QDF_NBUF_TX_PKT_TXRX_DEQUEUE 3 #define QDF_NBUF_TX_PKT_TXRX 4 #define QDF_NBUF_TX_PKT_HTT 5 #define QDF_NBUF_TX_PKT_HTC 6 #define QDF_NBUF_TX_PKT_HIF 7 #define QDF_NBUF_TX_PKT_CE 8 #define QDF_NBUF_TX_PKT_FREE 9 #define QDF_NBUF_TX_PKT_STATE_MAX 10 /** * struct mon_rx_status - This will have monitor mode rx_status extracted from * htt_rx_desc used later to update radiotap information. * @tsft: Time Synchronization Function timer * @chan_freq: Capture channel frequency * @chan_num: Capture channel number * @chan_flags: Bitmap of Channel flags, IEEE80211_CHAN_TURBO, * IEEE80211_CHAN_CCK... * @vht_flags: VHT flgs, only present for VHT frames. * @vht_flag_values1-5: Contains corresponding data for flags field * @rate: Rate in terms 500Kbps * @rtap_flags: Bit map of available fields in the radiotap * @ant_signal_db: Rx packet RSSI * @nr_ant: Number of Antennas used for streaming * @mcs: MCS index of Rx frame * @is_stbc: Is STBC enabled * @sgi: Rx frame short guard interval * @ldpc: ldpc enabled * @beamformed: Is frame beamformed. */ struct mon_rx_status { uint64_t tsft; uint16_t chan_freq; uint16_t chan_num; uint16_t chan_flags; uint16_t vht_flags; uint16_t vht_flag_values6; uint8_t rate; uint8_t rtap_flags; uint8_t ant_signal_db; uint8_t nr_ant; uint8_t mcs; uint8_t vht_flag_values1; uint8_t vht_flag_values2; uint8_t vht_flag_values3[4]; uint8_t vht_flag_values4; uint8_t vht_flag_values5; uint8_t is_stbc; uint8_t sgi; uint8_t ldpc; uint8_t beamformed; }; /* DHCP Related Mask */ #define QDF_DHCP_OPTION53 (0x35) #define QDF_DHCP_OPTION53_LENGTH (1) #define QDF_DHCP_OPTION53_OFFSET (0x11A) #define QDF_DHCP_OPTION53_LENGTH_OFFSET (0x11B) #define QDF_DHCP_OPTION53_STATUS_OFFSET (0x11C) #define QDF_DHCP_DISCOVER (1) #define QDF_DHCP_OFFER (2) #define QDF_DHCP_REQUEST (3) #define QDF_DHCP_DECLINE (4) #define QDF_DHCP_ACK (5) #define QDF_DHCP_NAK (6) #define QDF_DHCP_RELEASE (7) #define QDF_DHCP_INFORM (8) #define ARP_SUB_TYPE_OFFSET 20 #define ARP_REQUEST (1) #define ARP_RESPONSE (2) #define QDF_NBUF_IPA_CHECK_MASK 0x80000000 /** * @qdf_nbuf_t - Platform indepedent packet abstraction */ typedef __qdf_nbuf_t qdf_nbuf_t; /** * @qdf_dma_map_cb_t - Dma map callback prototype */ typedef void (*qdf_dma_map_cb_t)(void *arg, qdf_nbuf_t buf, qdf_dma_map_t dmap); /** * @qdf_nbuf_queue_t - Platform independent packet queue abstraction */ typedef __qdf_nbuf_queue_t qdf_nbuf_queue_t; /* BUS/DMA mapping routines */ static inline QDF_STATUS qdf_nbuf_dmamap_create(qdf_device_t osdev, qdf_dma_map_t *dmap) { return __qdf_nbuf_dmamap_create(osdev, dmap); } static inline void qdf_nbuf_dmamap_destroy(qdf_device_t osdev, qdf_dma_map_t dmap) { __qdf_nbuf_dmamap_destroy(osdev, dmap); } static inline void qdf_nbuf_dmamap_set_cb(qdf_dma_map_t dmap, qdf_dma_map_cb_t cb, void *arg) { __qdf_nbuf_dmamap_set_cb(dmap, cb, arg); } static inline void qdf_nbuf_set_send_complete_flag(qdf_nbuf_t buf, bool flag) { __qdf_nbuf_set_send_complete_flag(buf, flag); } static inline QDF_STATUS qdf_nbuf_map(qdf_device_t osdev, qdf_nbuf_t buf, qdf_dma_dir_t dir) { return __qdf_nbuf_map(osdev, buf, dir); } static inline void qdf_nbuf_unmap(qdf_device_t osdev, qdf_nbuf_t buf, qdf_dma_dir_t dir) { __qdf_nbuf_unmap(osdev, buf, dir); } static inline QDF_STATUS qdf_nbuf_map_nbytes(qdf_device_t osdev, qdf_nbuf_t buf, qdf_dma_dir_t dir, int nbytes) { return __qdf_nbuf_map_nbytes(osdev, buf, dir, nbytes); } static inline void qdf_nbuf_unmap_nbytes(qdf_device_t osdev, qdf_nbuf_t buf, qdf_dma_dir_t dir, int nbytes) { __qdf_nbuf_unmap_nbytes(osdev, buf, dir, nbytes); } #ifndef REMOVE_INIT_DEBUG_CODE static inline void qdf_nbuf_sync_for_cpu(qdf_device_t osdev, qdf_nbuf_t buf, qdf_dma_dir_t dir) { __qdf_nbuf_sync_for_cpu(osdev, buf, dir); } #endif static inline QDF_STATUS qdf_nbuf_map_single(qdf_device_t osdev, qdf_nbuf_t buf, qdf_dma_dir_t dir) { return __qdf_nbuf_map_single(osdev, buf, dir); } static inline QDF_STATUS qdf_nbuf_map_nbytes_single( qdf_device_t osdev, qdf_nbuf_t buf, qdf_dma_dir_t dir, int nbytes) { return __qdf_nbuf_map_nbytes_single(osdev, buf, dir, nbytes); } static inline void qdf_nbuf_unmap_single(qdf_device_t osdev, qdf_nbuf_t buf, qdf_dma_dir_t dir) { __qdf_nbuf_unmap_single(osdev, buf, dir); } static inline void qdf_nbuf_unmap_nbytes_single( qdf_device_t osdev, qdf_nbuf_t buf, qdf_dma_dir_t dir, int nbytes) { return __qdf_nbuf_unmap_nbytes_single(osdev, buf, dir, nbytes); } static inline int qdf_nbuf_get_num_frags(qdf_nbuf_t buf) { return __qdf_nbuf_get_num_frags(buf); } /** * qdf_nbuf_get_frag_len() - get fragment length * @buf: Network buffer * @frag_num: Fragment number * * Return: Fragment length */ static inline int qdf_nbuf_get_frag_len(qdf_nbuf_t buf, int frag_num) { QDF_BUG(!(frag_num >= QDF_NBUF_CB_TX_MAX_EXTRA_FRAGS)); return __qdf_nbuf_get_frag_len(buf, frag_num); } /** * qdf_nbuf_get_frag_vaddr() - get fragment virtual address * @buf: Network buffer * @frag_num: Fragment number * * Return: Fragment virtual address */ static inline unsigned char *qdf_nbuf_get_frag_vaddr(qdf_nbuf_t buf, int frag_num) { QDF_BUG(!(frag_num >= QDF_NBUF_CB_TX_MAX_EXTRA_FRAGS)); return __qdf_nbuf_get_frag_vaddr(buf, frag_num); } /** * qdf_nbuf_get_frag_vaddr_always() - get fragment virtual address * @buf: Network buffer * * Return: Fragment virtual address */ static inline unsigned char * qdf_nbuf_get_frag_vaddr_always(qdf_nbuf_t buf) { return __qdf_nbuf_get_frag_vaddr_always(buf); } /** * qdf_nbuf_get_frag_paddr() - get fragment physical address * @buf: Network buffer * @frag_num: Fragment number * * Return: Fragment physical address */ static inline qdf_dma_addr_t qdf_nbuf_get_frag_paddr(qdf_nbuf_t buf, unsigned int frag_num) { QDF_BUG(!(frag_num >= QDF_NBUF_CB_TX_MAX_EXTRA_FRAGS)); return __qdf_nbuf_get_frag_paddr(buf, frag_num); } /** * qdf_nbuf_get_tx_frag_paddr() - get fragment physical address * @buf: Network buffer * @frag_num: Fragment number * * Return: Fragment physical address */ static inline qdf_dma_addr_t qdf_nbuf_get_tx_frag_paddr(qdf_nbuf_t buf) { return __qdf_nbuf_get_tx_frag_paddr(buf); } /** * qdf_nbuf_get_frag_is_wordstream() - is fragment wordstream * @buf: Network buffer * @frag_num: Fragment number * * Return: Fragment wordstream or not */ static inline int qdf_nbuf_get_frag_is_wordstream(qdf_nbuf_t buf, int frag_num) { QDF_BUG(!(frag_num >= QDF_NBUF_CB_TX_MAX_EXTRA_FRAGS)); return __qdf_nbuf_get_frag_is_wordstream(buf, frag_num); } static inline int qdf_nbuf_ipa_owned_get(qdf_nbuf_t buf) { return __qdf_nbuf_ipa_owned_get(buf); } static inline void qdf_nbuf_ipa_owned_set(qdf_nbuf_t buf) { __qdf_nbuf_ipa_owned_set(buf); } static inline int qdf_nbuf_ipa_priv_get(qdf_nbuf_t buf) { return __qdf_nbuf_ipa_priv_get(buf); } static inline void qdf_nbuf_ipa_priv_set(qdf_nbuf_t buf, uint32_t priv) { QDF_BUG(!(priv & QDF_NBUF_IPA_CHECK_MASK)); __qdf_nbuf_ipa_priv_set(buf, priv); } /** * qdf_nbuf_set_frag_is_wordstream() - set fragment wordstream * @buf: Network buffer * @frag_num: Fragment number * @is_wordstream: Wordstream * * Return: none */ static inline void qdf_nbuf_set_frag_is_wordstream(qdf_nbuf_t buf, int frag_num, int is_wordstream) { QDF_BUG(!(frag_num >= QDF_NBUF_CB_TX_MAX_EXTRA_FRAGS)); __qdf_nbuf_set_frag_is_wordstream(buf, frag_num, is_wordstream); } static inline void qdf_nbuf_set_vdev_ctx(qdf_nbuf_t buf, void *vdev_ctx) { __qdf_nbuf_set_vdev_ctx(buf, vdev_ctx); } static inline void qdf_nbuf_set_fctx_type(qdf_nbuf_t buf, void *ctx, uint8_t type) { __qdf_nbuf_set_fctx_type(buf, ctx, type); } static inline void * qdf_nbuf_get_vdev_ctx(qdf_nbuf_t buf) { return __qdf_nbuf_get_vdev_ctx(buf); } static inline void *qdf_nbuf_get_fctx(qdf_nbuf_t buf) { return __qdf_nbuf_get_fctx(buf); } static inline uint8_t qdf_nbuf_get_ftype(qdf_nbuf_t buf) { return __qdf_nbuf_get_ftype(buf); } static inline qdf_dma_addr_t qdf_nbuf_mapped_paddr_get(qdf_nbuf_t buf) { return __qdf_nbuf_mapped_paddr_get(buf); } static inline void qdf_nbuf_mapped_paddr_set(qdf_nbuf_t buf, qdf_dma_addr_t paddr) { __qdf_nbuf_mapped_paddr_set(buf, paddr); } static inline void qdf_nbuf_frag_push_head(qdf_nbuf_t buf, int frag_len, char *frag_vaddr, qdf_dma_addr_t frag_paddr) { __qdf_nbuf_frag_push_head(buf, frag_len, frag_vaddr, frag_paddr); } #define qdf_nbuf_num_frags_init(_nbuf) __qdf_nbuf_num_frags_init((_nbuf)) /* For efficiency, it is the responsibility of the caller to ensure that val * is either 0 or 1. */ static inline void qdf_nbuf_set_chfrag_start(qdf_nbuf_t buf, uint8_t val) { __qdf_nbuf_set_chfrag_start(buf, val); } static inline int qdf_nbuf_is_chfrag_start(qdf_nbuf_t buf) { return __qdf_nbuf_is_chfrag_start(buf); } /* For efficiency, it is the responsibility of the caller to ensure that val * is either 0 or 1. */ static inline void qdf_nbuf_set_chfrag_end(qdf_nbuf_t buf, uint8_t val) { __qdf_nbuf_set_chfrag_end(buf, val); } static inline int qdf_nbuf_is_chfrag_end(qdf_nbuf_t buf) { return __qdf_nbuf_is_chfrag_end(buf); } static inline void qdf_nbuf_dma_map_info(qdf_dma_map_t bmap, qdf_dmamap_info_t *sg) { __qdf_nbuf_dma_map_info(bmap, sg); } #ifdef MEMORY_DEBUG void qdf_net_buf_debug_init(void); void qdf_net_buf_debug_exit(void); void qdf_net_buf_debug_clean(void); void qdf_net_buf_debug_add_node(qdf_nbuf_t net_buf, size_t size, uint8_t *file_name, uint32_t line_num); void qdf_net_buf_debug_delete_node(qdf_nbuf_t net_buf); void qdf_net_buf_debug_release_skb(qdf_nbuf_t net_buf); /* nbuf allocation rouines */ #define qdf_nbuf_alloc(d, s, r, a, p) \ qdf_nbuf_alloc_debug(d, s, r, a, p, __FILE__, __LINE__) static inline qdf_nbuf_t qdf_nbuf_alloc_debug(qdf_device_t osdev, qdf_size_t size, int reserve, int align, int prio, uint8_t *file_name, uint32_t line_num) { qdf_nbuf_t net_buf; net_buf = __qdf_nbuf_alloc(osdev, size, reserve, align, prio); /* Store SKB in internal QDF tracking table */ if (qdf_likely(net_buf)) qdf_net_buf_debug_add_node(net_buf, size, file_name, line_num); return net_buf; } static inline void qdf_nbuf_free(qdf_nbuf_t net_buf) { /* Remove SKB from internal QDF tracking table */ if (qdf_likely(net_buf)) qdf_net_buf_debug_delete_node(net_buf); __qdf_nbuf_free(net_buf); } #else static inline void qdf_net_buf_debug_release_skb(qdf_nbuf_t net_buf) { return; } /* Nbuf allocation rouines */ static inline qdf_nbuf_t qdf_nbuf_alloc(qdf_device_t osdev, qdf_size_t size, int reserve, int align, int prio) { return __qdf_nbuf_alloc(osdev, size, reserve, align, prio); } static inline void qdf_nbuf_free(qdf_nbuf_t buf) { __qdf_nbuf_free(buf); } #endif #ifdef WLAN_FEATURE_FASTPATH /** * qdf_nbuf_init_fast() - before put buf into pool,turn it to init state * * @buf: buf instance * Return: data pointer of this buf where new data has to be * put, or NULL if there is not enough room in this buf. */ static inline void qdf_nbuf_init_fast(qdf_nbuf_t nbuf) { atomic_set(&nbuf->users, 1); nbuf->data = nbuf->head + NET_SKB_PAD; skb_reset_tail_pointer(nbuf); } #endif /* WLAN_FEATURE_FASTPATH */ static inline void qdf_nbuf_tx_free(qdf_nbuf_t buf_list, int tx_err) { __qdf_nbuf_tx_free(buf_list, tx_err); } static inline void qdf_nbuf_ref(qdf_nbuf_t buf) { __qdf_nbuf_ref(buf); } static inline int qdf_nbuf_shared(qdf_nbuf_t buf) { return __qdf_nbuf_shared(buf); } static inline qdf_nbuf_t qdf_nbuf_copy(qdf_nbuf_t buf) { return __qdf_nbuf_copy(buf); } static inline void qdf_nbuf_record_rx_queue(qdf_nbuf_t buf, uint16_t rx_queue) { __qdf_nbuf_record_rx_queue(buf, rx_queue); } static inline QDF_STATUS qdf_nbuf_cat(qdf_nbuf_t dst, qdf_nbuf_t src) { return __qdf_nbuf_cat(dst, src); } /** * @qdf_nbuf_copy_bits() - return the length of the copy bits for skb * @skb: SKB pointer * @offset: offset * @len: Length * @to: To * * Return: int32_t */ static inline int32_t qdf_nbuf_copy_bits(qdf_nbuf_t nbuf, uint32_t offset, uint32_t len, void *to) { return __qdf_nbuf_copy_bits(nbuf, offset, len, to); } /** * qdf_nbuf_clone() - clone the nbuf (copy is readonly) * @buf: nbuf to clone from * * Return: cloned buffer */ static inline qdf_nbuf_t qdf_nbuf_clone(qdf_nbuf_t buf) { return __qdf_nbuf_clone(buf); } /* nbuf manipulation routines */ /** * @qdf_nbuf_head() - return the address of an nbuf's buffer * @buf: netbuf * * Return: head address */ static inline uint8_t *qdf_nbuf_head(qdf_nbuf_t buf) { return __qdf_nbuf_head(buf); } /** * qdf_nbuf_data() - Return the address of the start of data within an nbuf * @buf: Network buffer * * Return: Data address */ static inline uint8_t *qdf_nbuf_data(qdf_nbuf_t buf) { return __qdf_nbuf_data(buf); } /** * qdf_nbuf_data_addr() - Return the address of skb->data * @buf: Network buffer * * Return: Data address */ static inline uint8_t *qdf_nbuf_data_addr(qdf_nbuf_t buf) { return __qdf_nbuf_data_addr(buf); } /** * qdf_nbuf_headroom() - amount of headroom int the current nbuf * @buf: Network buffer * * Return: Amount of head room */ static inline uint32_t qdf_nbuf_headroom(qdf_nbuf_t buf) { return __qdf_nbuf_headroom(buf); } /** * qdf_nbuf_tailroom() - amount of tail space available * @buf: Network buffer * * Return: amount of tail room */ static inline uint32_t qdf_nbuf_tailroom(qdf_nbuf_t buf) { return __qdf_nbuf_tailroom(buf); } /** * qdf_nbuf_push_head() - push data in the front * @buf: Network buf instance * @size: Size to be pushed * * Return: New data pointer of this buf after data has been pushed, * or NULL if there is not enough room in this buf. */ static inline uint8_t *qdf_nbuf_push_head(qdf_nbuf_t buf, qdf_size_t size) { return __qdf_nbuf_push_head(buf, size); } /** * qdf_nbuf_put_tail() - puts data in the end * @buf: Network buf instance * @size: Size to be pushed * * Return: Data pointer of this buf where new data has to be * put, or NULL if there is not enough room in this buf. */ static inline uint8_t *qdf_nbuf_put_tail(qdf_nbuf_t buf, qdf_size_t size) { return __qdf_nbuf_put_tail(buf, size); } /** * qdf_nbuf_pull_head() - pull data out from the front * @buf: Network buf instance * @size: Size to be popped * * Return: New data pointer of this buf after data has been popped, * or NULL if there is not sufficient data to pull. */ static inline uint8_t *qdf_nbuf_pull_head(qdf_nbuf_t buf, qdf_size_t size) { return __qdf_nbuf_pull_head(buf, size); } /** * qdf_nbuf_trim_tail() - trim data out from the end * @buf: Network buf instance * @size: Size to be popped * * Return: none */ static inline void qdf_nbuf_trim_tail(qdf_nbuf_t buf, qdf_size_t size) { __qdf_nbuf_trim_tail(buf, size); } /** * qdf_nbuf_len() - get the length of the buf * @buf: Network buf instance * * Return: total length of this buf. */ static inline qdf_size_t qdf_nbuf_len(qdf_nbuf_t buf) { return __qdf_nbuf_len(buf); } /** * qdf_nbuf_set_pktlen() - set the length of the buf * @buf: Network buf instance * @size: Size to be set * * Return: none */ static inline void qdf_nbuf_set_pktlen(qdf_nbuf_t buf, uint32_t len) { __qdf_nbuf_set_pktlen(buf, len); } /** * qdf_nbuf_reserve() - trim data out from the end * @buf: Network buf instance * @size: Size to be popped * * Return: none */ static inline void qdf_nbuf_reserve(qdf_nbuf_t buf, qdf_size_t size) { __qdf_nbuf_reserve(buf, size); } /** * qdf_nbuf_peek_header() - return the data pointer & length of the header * @buf: Network nbuf * @addr: Data pointer * @len: Length of the data * * Return: none */ static inline void qdf_nbuf_peek_header(qdf_nbuf_t buf, uint8_t **addr, uint32_t *len) { __qdf_nbuf_peek_header(buf, addr, len); } /* nbuf queue routines */ /** * qdf_nbuf_queue_init() - initialize buf queue * @head: Network buf queue head * * Return: none */ static inline void qdf_nbuf_queue_init(qdf_nbuf_queue_t *head) { __qdf_nbuf_queue_init(head); } /** * qdf_nbuf_queue_add() - append a nbuf to the tail of the buf queue * @head: Network buf queue head * @buf: Network buf * * Return: none */ static inline void qdf_nbuf_queue_add(qdf_nbuf_queue_t *head, qdf_nbuf_t buf) { __qdf_nbuf_queue_add(head, buf); } /** * qdf_nbuf_queue_insert_head() - insert nbuf at the head of queue * @head: Network buf queue head * @buf: Network buf * * Return: none */ static inline void qdf_nbuf_queue_insert_head(qdf_nbuf_queue_t *head, qdf_nbuf_t buf) { __qdf_nbuf_queue_insert_head(head, buf); } /** * qdf_nbuf_queue_remove() - retrieve a buf from the head of the buf queue * @head: Network buf queue head * * Return: The head buf in the buf queue. */ static inline qdf_nbuf_t qdf_nbuf_queue_remove(qdf_nbuf_queue_t *head) { return __qdf_nbuf_queue_remove(head); } /** * qdf_nbuf_queue_len() - get the length of the queue * @head: Network buf queue head * * Return: length of the queue */ static inline uint32_t qdf_nbuf_queue_len(qdf_nbuf_queue_t *head) { return __qdf_nbuf_queue_len(head); } /** * qdf_nbuf_queue_next() - get the next guy/packet of the given buffer * @buf: Network buffer * * Return: next buffer/packet */ static inline qdf_nbuf_t qdf_nbuf_queue_next(qdf_nbuf_t buf) { return __qdf_nbuf_queue_next(buf); } /** * @qdf_nbuf_is_queue_empty() - check if the buf queue is empty * @nbq: Network buf queue handle * * Return: true if queue is empty * false if queue is not emty */ static inline bool qdf_nbuf_is_queue_empty(qdf_nbuf_queue_t *nbq) { return __qdf_nbuf_is_queue_empty(nbq); } static inline qdf_nbuf_queue_t * qdf_nbuf_queue_append(qdf_nbuf_queue_t *dest, qdf_nbuf_queue_t *src) { return __qdf_nbuf_queue_append(dest, src); } static inline void qdf_nbuf_queue_free(qdf_nbuf_queue_t *head) { __qdf_nbuf_queue_free(head); } static inline qdf_nbuf_t qdf_nbuf_queue_first(qdf_nbuf_queue_t *head) { return __qdf_nbuf_queue_first(head); } /** * qdf_nbuf_next() - get the next packet in the linked list * @buf: Network buffer * * This function can be used when nbufs are directly linked into a list, * rather than using a separate network buffer queue object. * * Return: next network buffer in the linked list */ static inline qdf_nbuf_t qdf_nbuf_next(qdf_nbuf_t buf) { return __qdf_nbuf_next(buf); } /** * qdf_nbuf_get_protocol() - return the protocol value of the skb * @skb: Pointer to network buffer * * Return: skb protocol */ static inline uint16_t qdf_nbuf_get_protocol(struct sk_buff *skb) { return __qdf_nbuf_get_protocol(skb); } /** * qdf_nbuf_get_ip_summed() - return the ip checksum value of the skb * @skb: Pointer to network buffer * * Return: skb ip_summed */ static inline uint8_t qdf_nbuf_get_ip_summed(struct sk_buff *skb) { return __qdf_nbuf_get_ip_summed(skb); } /** * qdf_nbuf_set_ip_summed() - sets the ip_summed value of the skb * @skb: Pointer to network buffer * @ip_summed: ip checksum * * Return: none */ static inline void qdf_nbuf_set_ip_summed(struct sk_buff *skb, uint8_t ip_summed) { __qdf_nbuf_set_ip_summed(skb, ip_summed); } /** * qdf_nbuf_set_next() - add a packet to a linked list * @this_buf: Predecessor buffer * @next_buf: Successor buffer * * This function can be used to directly link nbufs, rather than using * a separate network buffer queue object. * * Return: none */ static inline void qdf_nbuf_set_next(qdf_nbuf_t this_buf, qdf_nbuf_t next_buf) { __qdf_nbuf_set_next(this_buf, next_buf); } /* nbuf extension routines */ /** * qdf_nbuf_set_next_ext() - link extension of this packet contained in a new * nbuf * @this_buf: predecessor buffer * @next_buf: successor buffer * * This function is used to link up many nbufs containing a single logical * packet - not a collection of packets. Do not use for linking the first * extension to the head * * Return: none */ static inline void qdf_nbuf_set_next_ext(qdf_nbuf_t this_buf, qdf_nbuf_t next_buf) { __qdf_nbuf_set_next_ext(this_buf, next_buf); } /** * qdf_nbuf_next_ext() - get the next packet extension in the linked list * @buf: Network buffer * * Return: Next network buffer in the linked list */ static inline qdf_nbuf_t qdf_nbuf_next_ext(qdf_nbuf_t buf) { return __qdf_nbuf_next_ext(buf); } /** * qdf_nbuf_append_ext_list() - link list of packet extensions to the head * segment * @head_buf: Network buf holding head segment (single) * @ext_list: Network buf list holding linked extensions to the head * @ext_len: Total length of all buffers in the extension list * * This function is used to link up a list of packet extensions (seg1, 2, * ...) to the nbuf holding the head segment (seg0) * * Return: none */ static inline void qdf_nbuf_append_ext_list(qdf_nbuf_t head_buf, qdf_nbuf_t ext_list, qdf_size_t ext_len) { __qdf_nbuf_append_ext_list(head_buf, ext_list, ext_len); } /** * qdf_nbuf_get_ext_list() - Get the link to extended nbuf list. * @head_buf: Network buf holding head segment (single) * * This ext_list is populated when we have Jumbo packet, for example in case of * monitor mode amsdu packet reception, and are stiched using frags_list. * * Return: Network buf list holding linked extensions from head buf. */ static inline qdf_nbuf_t qdf_nbuf_get_ext_list(qdf_nbuf_t head_buf) { return (qdf_nbuf_t)__qdf_nbuf_get_ext_list(head_buf); } /** * qdf_nbuf_get_tx_cksum() - gets the tx checksum offload demand * @buf: Network buffer * * Return: qdf_nbuf_tx_cksum_t checksum offload demand for the frame */ static inline qdf_nbuf_tx_cksum_t qdf_nbuf_get_tx_cksum(qdf_nbuf_t buf) { return __qdf_nbuf_get_tx_cksum(buf); } /** * qdf_nbuf_set_rx_cksum() - drivers that support hw checksumming use this to * indicate checksum info to the stack. * @buf: Network buffer * @cksum: Checksum * * Return: none */ static inline void qdf_nbuf_set_rx_cksum(qdf_nbuf_t buf, qdf_nbuf_rx_cksum_t *cksum) { __qdf_nbuf_set_rx_cksum(buf, cksum); } /** * qdf_nbuf_get_tid() - this function extracts the TID value from nbuf * @buf: Network buffer * * Return: TID value */ static inline uint8_t qdf_nbuf_get_tid(qdf_nbuf_t buf) { return __qdf_nbuf_get_tid(buf); } /** * qdf_nbuf_set_tid() - this function sets the TID value in nbuf * @buf: Network buffer * @tid: TID value * * Return: none */ static inline void qdf_nbuf_set_tid(qdf_nbuf_t buf, uint8_t tid) { __qdf_nbuf_set_tid(buf, tid); } /** * qdf_nbuf_get_exemption_type() - this function extracts the exemption type * from nbuf * @buf: Network buffer * * Return: Exemption type */ static inline uint8_t qdf_nbuf_get_exemption_type(qdf_nbuf_t buf) { return __qdf_nbuf_get_exemption_type(buf); } /** * qdf_nbuf_set_protocol() - this function peeks data into the buffer at given * offset * @buf: Network buffer * @proto: Protocol * * Return: none */ static inline void qdf_nbuf_set_protocol(qdf_nbuf_t buf, uint16_t proto) { __qdf_nbuf_set_protocol(buf, proto); } /** * qdf_nbuf_trace_get_proto_type() - this function return packet proto type * @buf: Network buffer * * Return: Packet protocol type */ static inline uint8_t qdf_nbuf_trace_get_proto_type(qdf_nbuf_t buf) { return __qdf_nbuf_trace_get_proto_type(buf); } /** * qdf_nbuf_reg_trace_cb() - this function registers protocol trace callback * @cb_func_ptr: Callback pointer * * Return: none */ static inline void qdf_nbuf_reg_trace_cb(qdf_nbuf_trace_update_t cb_func_ptr) { __qdf_nbuf_reg_trace_cb(cb_func_ptr); } /** * qdf_nbuf_set_tx_parallel_dnload_frm() - set tx parallel download * @buf: Network buffer * @candi: Candidate of parallel download frame * * This function stores a flag specifying this TX frame is suitable for * downloading though a 2nd TX data pipe that is used for short frames for * protocols that can accept out-of-order delivery. * * Return: none */ static inline void qdf_nbuf_set_tx_parallel_dnload_frm(qdf_nbuf_t buf, uint8_t candi) { __qdf_nbuf_set_tx_htt2_frm(buf, candi); } /** * qdf_nbuf_get_tx_parallel_dnload_frm() - get tx parallel download * @buf: Network buffer * * This function return whether this TX frame is allow to download though a 2nd * TX data pipe or not. * * Return: none */ static inline uint8_t qdf_nbuf_get_tx_parallel_dnload_frm(qdf_nbuf_t buf) { return __qdf_nbuf_get_tx_htt2_frm(buf); } /** * qdf_nbuf_is_ipv4_pkt() - check if packet is a ipv4 packet or not * @buf: buffer * * This api is for Tx packets. * * Return: true if packet is ipv4 packet */ static inline bool qdf_nbuf_is_ipv4_pkt(qdf_nbuf_t buf) { return __qdf_nbuf_is_ipv4_pkt(buf); } /** * qdf_nbuf_is_ipv4_dhcp_pkt() - check if packet is a dhcp packet or not * @buf: buffer * * This api is for ipv4 packet. * * Return: true if packet is DHCP packet */ static inline bool qdf_nbuf_is_ipv4_dhcp_pkt(qdf_nbuf_t buf) { return __qdf_nbuf_is_ipv4_dhcp_pkt(buf); } /** * qdf_nbuf_is_ipv4_eapol_pkt() - check if packet is a eapol packet or not * @buf: buffer * * This api is for ipv4 packet. * * Return: true if packet is EAPOL packet */ static inline bool qdf_nbuf_is_ipv4_eapol_pkt(qdf_nbuf_t buf) { return __qdf_nbuf_is_ipv4_eapol_pkt(buf); } #if 1 /** * qdf_nbuf_is_ipv4_wapi_pkt() - check if packet is a wapi packet or not * @buf: buffer * * This api is for ipv4 packet. * * Return: true if packet is WAPI packet */ static inline bool qdf_nbuf_is_ipv4_wapi_pkt(qdf_nbuf_t buf) { return __qdf_nbuf_is_ipv4_wapi_pkt(buf); } #endif /** * qdf_nbuf_is_ipv4_arp_pkt() - check if packet is a arp packet or not * @buf: buffer * * This api is for ipv4 packet. * * Return: true if packet is ARP packet */ static inline bool qdf_nbuf_is_ipv4_arp_pkt(qdf_nbuf_t buf) { return __qdf_nbuf_is_ipv4_arp_pkt(buf); } /** * qdf_invalidate_range() - invalidate the virtual address range specified by * start and end addresses. * Note: This does not write back the cache entries. * * Return: none */ #ifdef MSM_PLATFORM static inline void qdf_invalidate_range(void *start, void *end) { dmac_inv_range(start, end); } #else static inline void qdf_invalidate_range(void *start, void *end) { /* TODO figure out how to invalidate cache on x86 and other non-MSM platform */ QDF_TRACE(QDF_MODULE_ID_QDF, QDF_TRACE_LEVEL_FATAL, "Cache invalidate not yet implemneted for non-MSM platform"); return; } #endif /** * qdf_nbuf_reset_num_frags() - decrement the number of fragments * @buf: Network buffer * * Return: Number of fragments */ static inline void qdf_nbuf_reset_num_frags(qdf_nbuf_t buf) { __qdf_nbuf_reset_num_frags(buf); } /** * qdf_dmaaddr_to_32s - return high and low parts of dma_addr * * Returns the high and low 32-bits of the DMA addr in the provided ptrs * * Return: N/A */ static inline void qdf_dmaaddr_to_32s(qdf_dma_addr_t dmaaddr, uint32_t *lo, uint32_t *hi) { return __qdf_dmaaddr_to_32s(dmaaddr, lo, hi); } /** * qdf_nbuf_is_tso() - is the network buffer a jumbo packet? * @buf: Network buffer * * Return: 1 - this is a jumbo packet 0 - not a jumbo packet */ static inline uint8_t qdf_nbuf_is_tso(qdf_nbuf_t nbuf) { return __qdf_nbuf_is_tso(nbuf); } /** * qdf_nbuf_get_tso_info() - function to divide a jumbo TSO * network buffer into segments * @nbuf: network buffer to be segmented * @tso_info: This is the output. The information about the * TSO segments will be populated within this. * * This function fragments a TCP jumbo packet into smaller * segments to be transmitted by the driver. It chains the TSO * segments created into a list. * * Return: number of TSO segments */ static inline uint32_t qdf_nbuf_get_tso_info(qdf_device_t osdev, qdf_nbuf_t nbuf, struct qdf_tso_info_t *tso_info) { return __qdf_nbuf_get_tso_info(osdev, nbuf, tso_info); } /** * qdf_nbuf_get_tso_num_seg() - function to calculate the number * of TCP segments within the TSO jumbo packet * @nbuf: TSO jumbo network buffer to be segmented * * This function calculates the number of TCP segments that the network buffer can be divided into. * * Return: number of TCP segments */ static inline uint32_t qdf_nbuf_get_tso_num_seg(qdf_nbuf_t nbuf) { return __qdf_nbuf_get_tso_num_seg(nbuf); } /** * qdf_nbuf_inc_users() - function to increment the number of * users referencing this network buffer * * @nbuf: network buffer * * This function increments the number of users referencing this * network buffer * * Return: the network buffer */ static inline qdf_nbuf_t qdf_nbuf_inc_users(qdf_nbuf_t nbuf) { return __qdf_nbuf_inc_users(nbuf); } /** * qdf_nbuf_data_attr_get() - Get data_attr field from cvg_nbuf_cb * * @nbuf: Network buffer (skb on linux) * * This function returns the values of data_attr field * in struct cvg_nbuf_cb{}, to which skb->cb is typecast. * This value is actually the value programmed in CE descriptor. * * Return: Value of data_attr */ static inline uint32_t qdf_nbuf_data_attr_get(qdf_nbuf_t buf) { return __qdf_nbuf_data_attr_get(buf); } /** * qdf_nbuf_data_attr_set() - Sets data_attr field in cvg_nbuf_cb * * @nbuf: Network buffer (skb on linux) * @data_attr: Value to be stored cvg_nbuf_cb->data_attr * * This function stores the value to be programmed in CE * descriptor as part skb->cb which is typecast to struct cvg_nbuf_cb{} * * Return: void */ static inline void qdf_nbuf_data_attr_set(qdf_nbuf_t buf, uint32_t data_attr) { __qdf_nbuf_data_attr_set(buf, data_attr); } /** * qdf_nbuf_tx_info_get() - Parse skb and get Tx metadata * * @nbuf: Network buffer (skb on linux) * * This function parses the payload to figure out relevant * Tx meta-data e.g. whether to enable tx_classify bit * in CE. * * Return: void */ #define qdf_nbuf_tx_info_get __qdf_nbuf_tx_info_get void qdf_nbuf_set_state(qdf_nbuf_t nbuf, uint8_t current_state); void qdf_nbuf_tx_desc_count_display(void); void qdf_nbuf_tx_desc_count_clear(void); static inline qdf_nbuf_t qdf_nbuf_realloc_headroom(qdf_nbuf_t buf, uint32_t headroom) { return __qdf_nbuf_realloc_headroom(buf, headroom); } static inline qdf_nbuf_t qdf_nbuf_realloc_tailroom(qdf_nbuf_t buf, uint32_t tailroom) { return __qdf_nbuf_realloc_tailroom(buf, tailroom); } static inline qdf_nbuf_t qdf_nbuf_expand(qdf_nbuf_t buf, uint32_t headroom, uint32_t tailroom) { return __qdf_nbuf_expand(buf, headroom, tailroom); } static inline qdf_nbuf_t qdf_nbuf_unshare(qdf_nbuf_t buf) { return __qdf_nbuf_unshare(buf); } static inline bool qdf_nbuf_is_cloned(qdf_nbuf_t buf) { return __qdf_nbuf_is_cloned(buf); } static inline void qdf_nbuf_frag_info(qdf_nbuf_t buf, qdf_sglist_t *sg) { __qdf_nbuf_frag_info(buf, sg); } static inline qdf_nbuf_tx_cksum_t qdf_nbuf_tx_cksum_info(qdf_nbuf_t buf, uint8_t **hdr_off, uint8_t **where) { return __qdf_nbuf_tx_cksum_info(buf, hdr_off, where); } static inline void qdf_nbuf_reset_ctxt(__qdf_nbuf_t nbuf) { __qdf_nbuf_reset_ctxt(nbuf); } static inline void qdf_nbuf_set_rx_info(__qdf_nbuf_t nbuf, void *info, uint32_t len) { __qdf_nbuf_set_rx_info(nbuf, info, len); } static inline void *qdf_nbuf_get_rx_info(__qdf_nbuf_t nbuf) { return __qdf_nbuf_get_rx_info(nbuf); } static inline void qdf_nbuf_init(qdf_nbuf_t buf) { __qdf_nbuf_init(buf); } static inline void *qdf_nbuf_network_header(qdf_nbuf_t buf) { return __qdf_nbuf_network_header(buf); } static inline void *qdf_nbuf_transport_header(qdf_nbuf_t buf) { return __qdf_nbuf_transport_header(buf); } static inline qdf_size_t qdf_nbuf_tcp_tso_size(qdf_nbuf_t buf) { return __qdf_nbuf_tcp_tso_size(buf); } static inline void *qdf_nbuf_get_cb(qdf_nbuf_t nbuf) { return __qdf_nbuf_get_cb(nbuf); } static inline uint32_t qdf_nbuf_get_nr_frags(qdf_nbuf_t nbuf) { return __qdf_nbuf_get_nr_frags(nbuf); } static inline qdf_size_t qdf_nbuf_headlen(qdf_nbuf_t buf) { return __qdf_nbuf_headlen(buf); } static inline QDF_STATUS qdf_nbuf_frag_map(qdf_device_t osdev, qdf_nbuf_t buf, int offset, qdf_dma_dir_t dir, int cur_frag) { return __qdf_nbuf_frag_map(osdev, buf, offset, dir, cur_frag); } static inline bool qdf_nbuf_tso_tcp_v4(qdf_nbuf_t buf) { return __qdf_nbuf_tso_tcp_v4(buf); } static inline bool qdf_nbuf_tso_tcp_v6(qdf_nbuf_t buf) { return __qdf_nbuf_tso_tcp_v6(buf); } static inline uint32_t qdf_nbuf_tcp_seq(qdf_nbuf_t buf) { return __qdf_nbuf_tcp_seq(buf); } static inline qdf_size_t qdf_nbuf_l2l3l4_hdr_len(qdf_nbuf_t buf) { return __qdf_nbuf_l2l3l4_hdr_len(buf); } static inline bool qdf_nbuf_is_nonlinear(qdf_nbuf_t buf) { return __qdf_nbuf_is_nonlinear(buf); } #if 1 static inline bool qdf_nbuf_linearize(qdf_nbuf_t buf) { return skb_linearize(buf); } #endif static inline uint32_t qdf_nbuf_get_frag_size(qdf_nbuf_t buf, uint32_t frag_num) { return __qdf_nbuf_get_frag_size(buf, frag_num); } static inline uint32_t qdf_nbuf_get_priority(qdf_nbuf_t buf) { return __qdf_nbuf_get_priority(buf); } static inline void qdf_nbuf_set_priority(qdf_nbuf_t buf, uint32_t p) { __qdf_nbuf_set_priority(buf, p); } static inline uint16_t qdf_nbuf_get_queue_mapping(qdf_nbuf_t buf) { return __qdf_nbuf_get_queue_mapping(buf); } static inline uint8_t * qdf_nbuf_get_priv_ptr(qdf_nbuf_t buf) { return __qdf_nbuf_get_priv_ptr(buf); } /** * qdf_nbuf_update_radiotap() - update radiotap at head of nbuf. * @rx_status: rx_status containing required info to update radiotap * @nbuf: Pointer to nbuf * @headroom_sz: Available headroom size * * Return: radiotap length. */ unsigned int qdf_nbuf_update_radiotap(struct mon_rx_status *rx_status, qdf_nbuf_t nbuf, uint32_t headroom_sz); #if 1 ktime_t qdf_net_timedelta(ktime_t t); void qdf_net_timestamp(struct sk_buff *skb); #endif #endif /* _QDF_NBUF_H */