1 /*
2 * Copyright (c) 2012, 2014, 2016 The Linux Foundation. All rights reserved.
3 *
4 * Permission to use, copy, modify, and/or distribute this software for
5 * any purpose with or without fee is hereby granted, provided that the
6 * above copyright notice and this permission notice appear in all
7 * copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
10 * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
11 * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
12 * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
13 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
14 * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
15 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
16 * PERFORMANCE OF THIS SOFTWARE.
17 */
18
19 /**
20 * @file ol_tx_classify.h
21 * @brief API definitions for the tx classify module within the data SW.
22 */
23 #ifndef _OL_TX_CLASSIFY__H_
24 #define _OL_TX_CLASSIFY__H_
25
26 #include <qdf_nbuf.h> /* qdf_nbuf_t */
27 #include <ol_txrx_types.h> /* ol_txrx_vdev_t, etc. */
28
29 static inline u_int8_t *
ol_tx_dest_addr_find(struct ol_txrx_pdev_t * pdev,qdf_nbuf_t tx_nbuf)30 ol_tx_dest_addr_find(
31 struct ol_txrx_pdev_t *pdev,
32 qdf_nbuf_t tx_nbuf)
33 {
34 u_int8_t *hdr_ptr;
35 void *datap = qdf_nbuf_data(tx_nbuf);
36
37 if (pdev->frame_format == wlan_frm_fmt_raw) {
38 /* adjust hdr_ptr to RA */
39 struct ieee80211_frame *wh =
40 (struct ieee80211_frame *)datap;
41 hdr_ptr = wh->i_addr1;
42 } else if (pdev->frame_format ==
43 wlan_frm_fmt_native_wifi) {
44 /* adjust hdr_ptr to RA */
45 struct ieee80211_frame *wh = (
46 struct ieee80211_frame *)datap;
47 hdr_ptr = wh->i_addr1;
48 } else if (pdev->frame_format == wlan_frm_fmt_802_3) {
49 hdr_ptr = datap;
50 } else {
51 QDF_TRACE(QDF_MODULE_ID_TXRX,
52 QDF_TRACE_LEVEL_ERROR,
53 "Invalid standard frame type: %d\n",
54 pdev->frame_format);
55 qdf_assert(0);
56 hdr_ptr = NULL;
57 }
58 return hdr_ptr;
59 }
60
61 #if defined(CONFIG_HL_SUPPORT)
62
63 /**
64 * @brief Classify a tx frame to which tid queue.
65 *
66 * @param vdev - the virtual device sending the data
67 * (for specifying the transmitter address for multicast / broadcast data)
68 * @param tx_desc - descriptor object with meta-data about the tx frame
69 * @param netbuf - the tx frame
70 * @param tx_msdu_info - characteristics of the tx frame
71 */
72 struct ol_tx_frms_queue_t *
73 ol_tx_classify(
74 struct ol_txrx_vdev_t *vdev,
75 struct ol_tx_desc_t *tx_desc,
76 qdf_nbuf_t netbuf,
77 struct ol_txrx_msdu_info_t *tx_msdu_info);
78
79 struct ol_tx_frms_queue_t *
80 ol_tx_classify_mgmt(
81 struct ol_txrx_vdev_t *vdev,
82 struct ol_tx_desc_t *tx_desc,
83 qdf_nbuf_t netbuf,
84 struct ol_txrx_msdu_info_t *tx_msdu_info);
85
86 #else
87
88 #define ol_tx_classify(vdev, tx_desc, netbuf, tx_msdu_info) NULL
89 #define ol_tx_classify_mgmt(vdev, tx_desc, netbuf, tx_msdu_info) NULL
90
91 #endif /* defined(CONFIG_HL_SUPPORT) */
92
93
94 #endif /* _OL_TX_CLASSIFY__H_ */
95