1 /*
2  * Copyright 2020-2023 NXP
3  *
4  * SPDX-License-Identifier: BSD-3-Clause
5  */
6 #ifndef FSL_ENET_QOS_H_
7 #define FSL_ENET_QOS_H_
8 
9 #include "fsl_common.h"
10 #if defined(FSL_ETH_ENABLE_CACHE_CONTROL)
11 #include "fsl_cache.h"
12 #endif
13 #if defined(FSL_FEATURE_MEMORY_HAS_ADDRESS_OFFSET) && FSL_FEATURE_MEMORY_HAS_ADDRESS_OFFSET
14 #include "fsl_memory.h"
15 #endif
16 
17 #if !defined(ENET_QOS)
18 /* Keep reusing ENET_QOS for platforms which renames it to Ethernet Controller with TSN (EQoS-TSN) */
19 #if defined(ENET_QOS_TSN)
20 #define ENET_QOS ENET_QOS_TSN
21 #endif
22 #endif
23 /*!
24  * @addtogroup enet_qos_qos
25  * @{
26  */
27 
28 /*******************************************************************************
29  * Definitions
30  ******************************************************************************/
31 
32 /*! @name Driver version */
33 /*! @{ */
34 /*! @brief Defines the driver version. */
35 #define FSL_ENET_QOS_DRIVER_VERSION (MAKE_VERSION(2, 6, 2))
36 /*! @} */
37 
38 /*! @name Control and status region bit masks of the receive buffer descriptor. */
39 /*! @{ */
40 /*! @brief Defines for read format. */
41 #define ENET_QOS_RXDESCRIP_RD_BUFF1VALID_MASK (1UL << 24U) /*!< Buffer1 address valid. */
42 #define ENET_QOS_RXDESCRIP_RD_BUFF2VALID_MASK (1UL << 25U) /*!< Buffer2 address valid. */
43 #define ENET_QOS_RXDESCRIP_RD_IOC_MASK        (1UL << 30U) /*!< Interrupt enable on complete. */
44 #define ENET_QOS_RXDESCRIP_RD_OWN_MASK        (1UL << 31U) /*!< Own bit. */
45 
46 /*! @brief Defines for write back format. */
47 #define ENET_QOS_RXDESCRIP_WR_ERR_MASK        ((1UL << 3U) | (1UL << 7U))
48 #define ENET_QOS_RXDESCRIP_WR_PYLOAD_MASK     (0x7UL)
49 #define ENET_QOS_RXDESCRIP_WR_PTPMSGTYPE_MASK (0xF00UL)
50 #define ENET_QOS_RXDESCRIP_WR_PTPTYPE_MASK    (1UL << 12U)
51 #define ENET_QOS_RXDESCRIP_WR_PTPVERSION_MASK (1UL << 13U)
52 #define ENET_QOS_RXDESCRIP_WR_PTPTSA_MASK     (1UL << 14U)
53 #define ENET_QOS_RXDESCRIP_WR_PACKETLEN_MASK  (0x7FFFUL)
54 #define ENET_QOS_RXDESCRIP_WR_ERRSUM_MASK     (1UL << 15U)
55 #define ENET_QOS_RXDESCRIP_WR_TYPE_MASK       (0x30000UL)
56 #define ENET_QOS_RXDESCRIP_WR_DE_MASK         (1UL << 19U)
57 #define ENET_QOS_RXDESCRIP_WR_RE_MASK         (1UL << 20U)
58 #define ENET_QOS_RXDESCRIP_WR_OE_MASK         (1UL << 21U)
59 #define ENET_QOS_RXDESCRIP_WR_RWT_MASK        (1UL << 22U)
60 #define ENET_QOS_RXDESCRIP_WR_GP_MASK         (1UL << 22U)
61 #define ENET_QOS_RXDESCRIP_WR_CRC_MASK        (1UL << 23U)
62 #define ENET_QOS_RXDESCRIP_WR_RS0V_MASK       (1UL << 25U)
63 #define ENET_QOS_RXDESCRIP_WR_RS1V_MASK       (1UL << 26U)
64 #define ENET_QOS_RXDESCRIP_WR_RS2V_MASK       (1UL << 27U)
65 #define ENET_QOS_RXDESCRIP_WR_LD_MASK         (1UL << 28U)
66 #define ENET_QOS_RXDESCRIP_WR_FD_MASK         (1UL << 29U)
67 #define ENET_QOS_RXDESCRIP_WR_CTXT_MASK       (1UL << 30U)
68 #define ENET_QOS_RXDESCRIP_WR_OWN_MASK        (1UL << 31U)
69 
70 #define ENET_QOS_RXDESCRIP_WR_SA_FAILURE_MASK (1UL << 16U)
71 #define ENET_QOS_RXDESCRIP_WR_DA_FAILURE_MASK (1UL << 17U)
72 /*! @} */
73 
74 /*! @name Control and status bit masks of the transmit buffer descriptor. */
75 /*! @{ */
76 /*! @brief Defines for read format. */
77 #define ENET_QOS_TXDESCRIP_RD_BL1_MASK  (0x3fffUL)
78 #define ENET_QOS_TXDESCRIP_RD_BL2_MASK  (ENET_QOS_TXDESCRIP_RD_BL1_MASK << 16U)
79 #define ENET_QOS_TXDESCRIP_RD_BL1(n)    ((uint32_t)(n)&ENET_QOS_TXDESCRIP_RD_BL1_MASK)
80 #define ENET_QOS_TXDESCRIP_RD_BL2(n)    (((uint32_t)(n)&ENET_QOS_TXDESCRIP_RD_BL1_MASK) << 16)
81 #define ENET_QOS_TXDESCRIP_RD_TTSE_MASK (1UL << 30UL)
82 #define ENET_QOS_TXDESCRIP_RD_IOC_MASK  (1UL << 31UL)
83 
84 #define ENET_QOS_TXDESCRIP_RD_FL_MASK   (0x7FFFUL)
85 #define ENET_QOS_TXDESCRIP_RD_FL(n)     ((uint32_t)(n)&ENET_QOS_TXDESCRIP_RD_FL_MASK)
86 #define ENET_QOS_TXDESCRIP_RD_CIC(n)    (((uint32_t)(n)&0x3U) << 16U)
87 #define ENET_QOS_TXDESCRIP_RD_TSE_MASK  (1UL << 18U)
88 #define ENET_QOS_TXDESCRIP_RD_SLOT(n)   (((uint32_t)(n)&0x0fU) << 19U)
89 #define ENET_QOS_TXDESCRIP_RD_SAIC(n)   (((uint32_t)(n)&0x07U) << 23U)
90 #define ENET_QOS_TXDESCRIP_RD_CPC(n)    (((uint32_t)(n)&0x03U) << 26U)
91 #define ENET_QOS_TXDESCRIP_RD_LDFD(n)   (((uint32_t)(n)&0x03U) << 28U)
92 #define ENET_QOS_TXDESCRIP_RD_LD_MASK   (1UL << 28U)
93 #define ENET_QOS_TXDESCRIP_RD_FD_MASK   (1UL << 29U)
94 #define ENET_QOS_TXDESCRIP_RD_CTXT_MASK (1UL << 30U)
95 #define ENET_QOS_TXDESCRIP_RD_OWN_MASK  (1UL << 31U)
96 
97 /*! @brief Defines for write back format. */
98 #define ENET_QOS_TXDESCRIP_WB_TTSS_MASK (1UL << 17U)
99 /*! @} */
100 
101 /*! @name Bit mask for interrupt enable type. */
102 /*! @{ */
103 #define ENET_QOS_ABNORM_INT_MASK                                                                                \
104     (ENET_QOS_DMA_CHX_INT_EN_TXSE_MASK | ENET_QOS_DMA_CHX_INT_EN_RBUE_MASK | ENET_QOS_DMA_CHX_INT_EN_RSE_MASK | \
105      ENET_QOS_DMA_CHX_INT_EN_RWTE_MASK | ENET_QOS_DMA_CHX_INT_EN_FBEE_MASK | ENET_QOS_DMA_CHX_INT_EN_ETIE_MASK)
106 #define ENET_QOS_NORM_INT_MASK                                                                                 \
107     (ENET_QOS_DMA_CHX_INT_EN_TIE_MASK | ENET_QOS_DMA_CHX_INT_EN_TBUE_MASK | ENET_QOS_DMA_CHX_INT_EN_RIE_MASK | \
108      ENET_QOS_DMA_CHX_INT_EN_ERIE_MASK)
109 /*! @} */
110 
111 /*! @name Defines some Ethernet parameters. */
112 /*! @{ */
113 #ifndef ENET_QOS_RING_NUM_MAX
114 #define ENET_QOS_RING_NUM_MAX (5U) /*!< The Maximum number of tx/rx descriptor rings. */
115 #endif
116 #define ENET_QOS_FRAME_MAX_FRAMELEN (1518U) /*!< Default maximum Ethernet frame size. */
117 #define ENET_QOS_FCS_LEN            (4U)    /*!< Ethernet FCS length. */
118 #define ENET_QOS_ADDR_ALIGNMENT     (0x3U)  /*!< Recommended Ethernet buffer alignment. */
119 #define ENET_QOS_BUFF_ALIGNMENT     (8U)    /*!< Receive buffer alignment shall be 4bytes-aligned. */
120 #define ENET_QOS_MTL_RXFIFOSIZE     (8192U) /*!< The rx fifo size. */
121 #define ENET_QOS_MTL_TXFIFOSIZE     (8192U) /*!< The tx fifo size. */
122 #define ENET_QOS_MACINT_ENUM_OFFSET (16U)   /*!< The offest for mac interrupt in enum type. */
123 #define ENET_QOS_RXP_ENTRY_COUNT    (256U)  /*!< RXP table entry count, implied by FRPES in MAC_HW_FEATURE3 */
124 #define ENET_QOS_RXP_BUFFER_SIZE    (256U)  /*!< RXP Buffer size, implied by FRPBS in MAC_HW_FEATURE3 */
125 #define ENET_QOS_EST_WID            (24U)   /*!< Width of the time interval in Gate Control List */
126 #define ENET_QOS_EST_DEP            (512U)  /*!< Maxmimum depth of Gate Control List */
127 /*! @} */
128 
129 /*! @brief Defines the status return codes for transaction. */
130 enum
131 {
132     kStatus_ENET_QOS_InitMemoryFail =
133         MAKE_STATUS(kStatusGroup_ENET_QOS, 0U), /*!< Init fails since buffer memory is not enough. */
134     kStatus_ENET_QOS_RxFrameError =
135         MAKE_STATUS(kStatusGroup_ENET_QOS, 1U), /*!< A frame received but data error happen. */
136     kStatus_ENET_QOS_RxFrameFail  = MAKE_STATUS(kStatusGroup_ENET_QOS, 2U), /*!< Failed to receive a frame. */
137     kStatus_ENET_QOS_RxFrameEmpty = MAKE_STATUS(kStatusGroup_ENET_QOS, 3U), /*!< No frame arrive. */
138     kStatus_ENET_QOS_RxFrameDrop =
139         MAKE_STATUS(kStatusGroup_ENET_QOS, 4U), /*!< Rx frame is dropped since no buffer memory. */
140     kStatus_ENET_QOS_TxFrameBusy =
141         MAKE_STATUS(kStatusGroup_ENET_QOS, 5U), /*!< Transmit descriptors are under process. */
142     kStatus_ENET_QOS_TxFrameFail    = MAKE_STATUS(kStatusGroup_ENET_QOS, 6U), /*!< Transmit frame fail. */
143     kStatus_ENET_QOS_TxFrameOverLen = MAKE_STATUS(kStatusGroup_ENET_QOS, 7U), /*!< Transmit oversize. */
144     kStatus_ENET_QOS_Est_SwListBusy =
145         MAKE_STATUS(kStatusGroup_ENET_QOS, 8U), /*!< SW Gcl List not yet processed by HW. */
146     kStatus_ENET_QOS_Est_SwListWriteAbort = MAKE_STATUS(kStatusGroup_ENET_QOS, 9U), /*!< SW Gcl List write aborted .*/
147     kStatus_ENET_QOS_Est_InvalidParameter =
148         MAKE_STATUS(kStatusGroup_ENET_QOS, 10U),                             /*!< Invalid parameter in Gcl List .*/
149     kStatus_ENET_QOS_Est_BtrError = MAKE_STATUS(kStatusGroup_ENET_QOS, 11U), /*!< Base Time Error when loading list.*/
150     kStatus_ENET_QOS_TrgtBusy     = MAKE_STATUS(kStatusGroup_ENET_QOS, 12U), /*!< Target time register busy.*/
151     kStatus_ENET_QOS_Timeout      = MAKE_STATUS(kStatusGroup_ENET_QOS, 13U), /*!< Target time register busy.*/
152     kStatus_ENET_QOS_PpsBusy      = MAKE_STATUS(kStatusGroup_ENET_QOS, 14U)  /*!< Pps command busy.*/
153 };
154 
155 /*! @brief Defines the MII/RGMII mode for data interface between the MAC and the PHY. */
156 typedef enum _enet_qos_mii_mode
157 {
158     kENET_QOS_MiiMode   = 0U, /*!< MII mode for data interface. */
159     kENET_QOS_RgmiiMode = 1U, /*!< RGMII mode for data interface. */
160     kENET_QOS_RmiiMode  = 4U  /*!< RMII mode for data interface. */
161 } enet_qos_mii_mode_t;
162 
163 /*! @brief Defines the 10/100/1000 Mbps speed for the MII data interface. */
164 typedef enum _enet_qos_mii_speed
165 {
166     kENET_QOS_MiiSpeed10M =
167         ENET_QOS_MAC_CONFIGURATION_PS(1U) | ENET_QOS_MAC_CONFIGURATION_FES(0U), /*!< Speed 10 Mbps. */
168     kENET_QOS_MiiSpeed100M =
169         ENET_QOS_MAC_CONFIGURATION_PS(1U) | ENET_QOS_MAC_CONFIGURATION_FES(1U), /*!< Speed 100 Mbps. */
170     kENET_QOS_MiiSpeed1000M =
171         ENET_QOS_MAC_CONFIGURATION_PS(0U) | ENET_QOS_MAC_CONFIGURATION_FES(0U), /*!< Speed 1000 Mbps. */
172     kENET_QOS_MiiSpeed2500M =
173         ENET_QOS_MAC_CONFIGURATION_PS(0U) | ENET_QOS_MAC_CONFIGURATION_FES(1U) /*!< Speed 2500 Mbps. */
174 } enet_qos_mii_speed_t;
175 
176 /*! @brief Defines the half or full duplex for the MII data interface. */
177 typedef enum _enet_qos_mii_duplex
178 {
179     kENET_QOS_MiiHalfDuplex = 0U, /*!< Half duplex mode. */
180     kENET_QOS_MiiFullDuplex       /*!< Full duplex mode. */
181 } enet_qos_mii_duplex_t;
182 
183 /*! @brief Define the MII opcode for normal MDIO_CLAUSES_22 Frame. */
184 typedef enum _enet_qos_mii_normal_opcode
185 {
186     kENET_QOS_MiiWriteFrame =
187         ENET_QOS_MAC_MDIO_ADDRESS_GOC_1(0U) |
188         ENET_QOS_MAC_MDIO_ADDRESS_GOC_0(1U), /*!< Write frame operation for a valid MII management frame. */
189     kENET_QOS_MiiReadFrame =
190         ENET_QOS_MAC_MDIO_ADDRESS_GOC_1(1U) |
191         ENET_QOS_MAC_MDIO_ADDRESS_GOC_0(1U) /*!< Read frame operation for a valid MII management frame. */
192 } enet_qos_mii_normal_opcode;
193 
194 /*! @brief Define the DMA maximum transmit burst length. */
195 typedef enum _enet_qos_dma_burstlen
196 {
197     kENET_QOS_BurstLen1   = 0x00001U, /*!< DMA burst length 1. */
198     kENET_QOS_BurstLen2   = 0x00002U, /*!< DMA burst length 2. */
199     kENET_QOS_BurstLen4   = 0x00004U, /*!< DMA burst length 4. */
200     kENET_QOS_BurstLen8   = 0x00008U, /*!< DMA burst length 8. */
201     kENET_QOS_BurstLen16  = 0x00010U, /*!< DMA burst length 16. */
202     kENET_QOS_BurstLen32  = 0x00020U, /*!< DMA burst length 32. */
203     kENET_QOS_BurstLen64  = 0x10008U, /*!< DMA burst length 64. eight times enabled. */
204     kENET_QOS_BurstLen128 = 0x10010U, /*!< DMA burst length 128. eight times enabled. */
205     kENET_QOS_BurstLen256 = 0x10020U, /*!< DMA burst length 256. eight times enabled. */
206 } enet_qos_dma_burstlen;
207 
208 /*! @brief Define the flag for the descriptor. */
209 typedef enum _enet_qos_desc_flag
210 {
211     kENET_QOS_MiddleFlag = 0, /*!< It's a middle descriptor of the frame. */
212     kENET_QOS_LastFlagOnly,   /*!< It's the last descriptor of the frame. */
213     kENET_QOS_FirstFlagOnly,  /*!< It's the first descriptor of the frame. */
214     kENET_QOS_FirstLastFlag   /*!< It's the first and last descriptor of the frame. */
215 } enet_qos_desc_flag;
216 
217 /*! @brief Define the system time adjust operation control. */
218 typedef enum _enet_qos_systime_op
219 {
220     kENET_QOS_SystimeAdd      = 0U, /*!< System time add to. */
221     kENET_QOS_SystimeSubtract = 1U  /*!< System time subtract. */
222 } enet_qos_systime_op;
223 
224 /*! @brief Define the system time rollover control. */
225 typedef enum _enet_qos_ts_rollover_type
226 {
227     kENET_QOS_BinaryRollover  = 0, /*!< System time binary rollover.*/
228     kENET_QOS_DigitalRollover = 1  /*!< System time digital rollover.*/
229 } enet_qos_ts_rollover_type;
230 
231 /*! @brief Defines some special configuration for ENET.
232  *
233  * These control flags are provided for special user requirements.
234  * Normally, these is no need to set this control flags for ENET initialization.
235  * But if you have some special requirements, set the flags to specialControl
236  * in the enet_qos_config_t.
237  * @note "kENET_QOS_StoreAndForward" is recommended to be set.
238  */
239 typedef enum _enet_qos_special_config
240 {
241     /***********************DMA CONFIG**********************************************/
242     kENET_QOS_DescDoubleBuffer = 0x0001U, /*!< The double buffer is used in the tx/rx descriptor. */
243     /**************************MTL************************************/
244     kENET_QOS_StoreAndForward = 0x0002U, /*!< The rx/tx store and forward enable. */
245     /***********************MAC****************************************/
246     kENET_QOS_PromiscuousEnable       = 0x0004U, /*!< The promiscuous enabled. */
247     kENET_QOS_FlowControlEnable       = 0x0008U, /*!< The flow control enabled. */
248     kENET_QOS_BroadCastRxDisable      = 0x0010U, /*!< The broadcast disabled. */
249     kENET_QOS_MulticastAllEnable      = 0x0020U, /*!< All multicast are passed. */
250     kENET_QOS_8023AS2KPacket          = 0x0040U, /*!< 8023as support for 2K packets. */
251     kENET_QOS_HashMulticastEnable     = 0x0080U, /*!< The multicast packets are filtered through hash table. */
252     kENET_QOS_RxChecksumOffloadEnable = 0x0100U, /*!< The Rx checksum offload enabled. */
253 } enet_qos_special_config_t;
254 
255 /*! @brief List of DMA interrupts supported by the ENET interrupt. This
256  * enumeration uses one-bot encoding to allow a logical OR of multiple
257  * members.
258  */
259 typedef enum _enet_qos_dma_interrupt_enable
260 {
261     kENET_QOS_DmaTx                = ENET_QOS_DMA_CHX_INT_EN_TIE_MASK,  /*!< Tx interrupt. */
262     kENET_QOS_DmaTxStop            = ENET_QOS_DMA_CHX_INT_EN_TXSE_MASK, /*!< Tx stop interrupt. */
263     kENET_QOS_DmaTxBuffUnavail     = ENET_QOS_DMA_CHX_INT_EN_TBUE_MASK, /*!< Tx buffer unavailable. */
264     kENET_QOS_DmaRx                = ENET_QOS_DMA_CHX_INT_EN_RIE_MASK,  /*!< Rx interrupt. */
265     kENET_QOS_DmaRxBuffUnavail     = ENET_QOS_DMA_CHX_INT_EN_RBUE_MASK, /*!< Rx buffer unavailable. */
266     kENET_QOS_DmaRxStop            = ENET_QOS_DMA_CHX_INT_EN_RSE_MASK,  /*!< Rx stop. */
267     kENET_QOS_DmaRxWatchdogTimeout = ENET_QOS_DMA_CHX_INT_EN_RWTE_MASK, /*!< Rx watchdog timeout. */
268     kENET_QOS_DmaEarlyTx           = ENET_QOS_DMA_CHX_INT_EN_ETIE_MASK, /*!< Early transmit. */
269     kENET_QOS_DmaEarlyRx           = ENET_QOS_DMA_CHX_INT_EN_ERIE_MASK, /*!< Early receive. */
270     kENET_QOS_DmaBusErr            = ENET_QOS_DMA_CHX_INT_EN_FBEE_MASK, /*!< Fatal bus error. */
271 } enet_qos_dma_interrupt_enable_t;
272 
273 /*! @brief List of mac interrupts supported by the ENET interrupt. This
274  * enumeration uses one-bot encoding to allow a logical OR of multiple
275  * members.
276  */
277 typedef enum _enet_qos_mac_interrupt_enable
278 {
279     kENET_QOS_MacPmt       = (ENET_QOS_MAC_INTERRUPT_ENABLE_PMTIE_MASK << ENET_QOS_MACINT_ENUM_OFFSET),
280     kENET_QOS_MacTimestamp = (ENET_QOS_MAC_INTERRUPT_ENABLE_TSIE_MASK << ENET_QOS_MACINT_ENUM_OFFSET),
281 } enet_qos_mac_interrupt_enable_t;
282 
283 /*! @brief Defines the common interrupt event for callback use. */
284 typedef enum _enet_qos_event
285 {
286     kENET_QOS_RxIntEvent,        /*!< Receive interrupt event. */
287     kENET_QOS_TxIntEvent,        /*!< Transmit interrupt event. */
288     kENET_QOS_WakeUpIntEvent,    /*!< Wake up interrupt event. */
289     kENET_QOS_TimeStampIntEvent, /*!< Time stamp interrupt event. */
290 } enet_qos_event_t;
291 
292 /*! @brief Define the MTL mode for multiple queues/rings. */
293 typedef enum _enet_qos_queue_mode
294 {
295     kENET_QOS_AVB_Mode = 1U, /*!< Enable queue in AVB mode. */
296     kENET_QOS_DCB_Mode = 2U, /*!< Enable queue in DCB mode. */
297 } enet_qos_queue_mode_t;
298 
299 /*! @brief Define the MTL tx scheduling algorithm for multiple queues/rings. */
300 typedef enum _enet_qos_mtl_multiqueue_txsche
301 {
302     kENET_QOS_txWeightRR       = 0U, /*!< Tx weight round-robin. */
303     kENET_QOS_txWeightFQ       = 1U, /*!< Tx weight fair queuing. */
304     kENET_QOS_txDefictWeightRR = 2U, /*!< Tx deficit weighted round-robin. */
305     kENET_QOS_txStrPrio        = 3U, /*!< Tx strict priority. */
306 } enet_qos_mtl_multiqueue_txsche;
307 
308 /*! @brief Define the MTL rx scheduling algorithm for multiple queues/rings. */
309 typedef enum _enet_qos_mtl_multiqueue_rxsche
310 {
311     kENET_QOS_rxStrPrio = 0U,  /*!< Rx strict priority, Queue 0 has the lowest priority. */
312     kENET_QOS_rxWeightStrPrio, /*!< Weighted Strict Priority. */
313 } enet_qos_mtl_multiqueue_rxsche;
314 
315 /*! @brief Define the MTL rx queue and DMA channel mapping. */
316 typedef enum _enet_qos_mtl_rxqueuemap
317 {
318     kENET_QOS_StaticDirctMap = 0x100U, /*!< The received fame in rx Qn(n = 0,1) directly map to dma channel n. */
319     kENET_QOS_DynamicMap =
320         0x1010U, /*!< The received frame in rx Qn(n = 0,1) map to the dma channel m(m = 0,1) related with the same Mac.
321                   */
322 } enet_qos_mtl_rxqueuemap_t;
323 
324 /*! @brief Defines the package type for receive queue routing. */
325 typedef enum _enet_qos_rx_queue_route
326 {
327     kENET_QOS_PacketNoQ    = 0x0,        /* Not specific queue */
328     kENET_QOS_PacketAVCPQ  = (1U << 0U), /* AV Untagged Control Packets Queue */
329     kENET_QOS_PacketPTPQ   = (1U << 1U), /* PTP Packets Queue */
330     kENET_QOS_PacketDCBCPQ = (1U << 2U), /* DCB Control Packets Queue */
331     kENET_QOS_PacketUPQ    = (1U << 3U), /* Untagged Packets Queue */
332     kENET_QOS_PacketMCBCQ  = (1U << 4U), /* Multicast & Broadcast Packets Queue */
333 } enet_qos_rx_queue_route_t;
334 
335 /*! @brief Defines the ENET PTP message related constant. */
336 typedef enum _enet_qos_ptp_event_type
337 {
338     kENET_QOS_PtpEventMsgType = 3U,   /*!< PTP event message type. */
339     kENET_QOS_PtpSrcPortIdLen = 10U,  /*!< PTP message sequence id length. */
340     kENET_QOS_PtpEventPort    = 319U, /*!< PTP event port number. */
341     kENET_QOS_PtpGnrlPort     = 320U  /*!< PTP general port number. */
342 } enet_qos_ptp_event_type_t;
343 
344 /*! @brief Defines the PPS instance numbers. */
345 typedef enum _enet_qos_ptp_pps_instance
346 {
347     kENET_QOS_PtpPpsIstance0 = 0U, /*!< PPS instance 0. */
348     kENET_QOS_PtpPpsIstance1,      /*!< PPS instance 1. */
349     kENET_QOS_PtpPpsIstance2,      /*!< PPS instance 2. */
350     kENET_QOS_PtpPpsIstance3       /*!< PPS instance 3. */
351 } enet_qos_ptp_pps_instance_t;
352 
353 /*! @brief Defines the Target Time register mode. */
354 typedef enum _enet_qos_ptp_pps_trgt_mode
355 {
356     kENET_QOS_PtpPpsTrgtModeOnlyInt = 0U, /*!< Only interrupts. */
357     kENET_QOS_PtpPpsTrgtModeIntSt   = 2,  /*!< Both interrupt and output signal. */
358     kENET_QOS_PtpPpsTrgtModeOnlySt  = 3,  /*!< Only output signal. */
359 } enet_qos_ptp_pps_trgt_mode_t;
360 
361 /*! @brief Defines commands for ppscmd register. */
362 typedef enum _enet_qos_ptp_pps_cmd
363 {
364     kENET_QOS_PtpPpsCmdNC    = 0U, /*!< No Command. */
365     kENET_QOS_PtpPpsCmdSSP   = 1U, /*!< Start Single Pulse. */
366     kENET_QOS_PtpPpsCmdSPT   = 2U, /*!< Start Pulse Train. */
367     kENET_QOS_PtpPpsCmdCS    = 3U, /*!< Cancel Start. */
368     kENET_QOS_PtpPpsCmdSPTAT = 4U, /*!< Stop Pulse Train At Time. */
369     kENET_QOS_PtpPpsCmdSPTI  = 5U, /*!< Stop Pulse Train Immediately. */
370     kENET_QOS_PtpPpsCmdCSPT  = 6U, /*!< Cancel Stop Pulse Train. */
371 } enet_qos_ptp_pps_cmd_t;
372 
373 /*! @brief Defines the enmueration of ETS list length.
374  */
375 typedef enum _enet_qos_ets_list_length
376 {
377     kENET_QOS_Ets_List_64   = 7U,  /*!< List length of 64 */
378     kENET_QOS_Ets_List_128  = 8U,  /*!< List length of 128 */
379     kENET_QOS_Ets_List_256  = 9U,  /*!< List length of 256 */
380     kENET_QOS_Ets_List_512  = 10U, /*!< List length of 512 */
381     kENET_QOS_Ets_List_1024 = 11U, /*!< List length of 1024 */
382 } enet_qos_ets_list_length_t;
383 
384 /*! @brief Defines the enmueration of ETS gate control address.
385  */
386 typedef enum _enet_qos_ets_gccr_addr
387 {
388     kENET_QOS_Ets_btr_low  = 0U, /*!< BTR Low */
389     kENET_QOS_Ets_btr_high = 1U, /*!< BTR High */
390     kENET_QOS_Ets_ctr_low  = 2U, /*!< CTR Low */
391     kENET_QOS_Ets_ctr_high = 3U, /*!< CTR High */
392     kENET_QOS_Ets_ter      = 4U, /*!< TER */
393     kENET_QOS_Ets_llr      = 5U, /*!< LLR */
394 } enet_qos_ets_gccr_addr_t;
395 
396 /*! @brief Defines the enmueration of DMA channel used
397  * for rx parser entry.
398  */
399 typedef enum _enet_qos_rxp_dma_chn
400 {
401     kENET_QOS_Rxp_DMAChn0 = 1U,  /*!< DMA Channel 0 used for RXP entry match */
402     kENET_QOS_Rxp_DMAChn1 = 2U,  /*!< DMA Channel 1 used for RXP entry match */
403     kENET_QOS_Rxp_DMAChn2 = 4U,  /*!< DMA Channel 2 used for RXP entry match */
404     kENET_QOS_Rxp_DMAChn3 = 8U,  /*!< DMA Channel 3 used for RXP entry match */
405     kENET_QOS_Rxp_DMAChn4 = 16U, /*!< DMA Channel 4 used for RXP entry match */
406 } enet_qos_rxp_dma_chn_t;
407 
408 /*! @brief Define the Tx checksum offload options. */
409 typedef enum _enet_qos_tx_offload
410 {
411     kENET_QOS_TxOffloadDisable = 0U, /*!< Disable Tx checksum offload. */
412     kENET_QOS_TxOffloadIPHeader = 1U, /*!< Enable IP header checksum calculation and insertion. */
413     kENET_QOS_TxOffloadIPHeaderPlusPayload = 2U, /*!< Enable IP header and payload checksum calculation and insertion. */
414     kENET_QOS_TxOffloadAll = 3U, /*!< Enable IP header, payload and pseudo header checksum calculation and insertion. */
415 } enet_qos_tx_offload_t;
416 
417 /*! @brief Defines the receive descriptor structure
418  *  has the read-format and write-back format structure. They both
419  *  has the same size with different region definition. so
420  *  we define the read-format region as the receive descriptor structure
421  *  Use the read-format region mask bits in the descriptor initialization
422  *  Use the write-back format region mask bits in the receive data process.
423  */
424 typedef struct _enet_qos_rx_bd_struct
425 {
426     __IO uint32_t buff1Addr; /*!< Buffer 1 address */
427     __IO uint32_t reserved;  /*!< Reserved */
428     __IO uint32_t buff2Addr; /*!< Buffer 2 or next descriptor address */
429     __IO uint32_t control;   /*!< Buffer 1/2 byte counts and control */
430 } enet_qos_rx_bd_struct_t;
431 
432 /*! @brief Defines the transmit descriptor structure
433  *  has the read-format and write-back format structure. They both
434  *  has the same size with different region definition. so
435  *  we define the read-format region as the transmit descriptor structure
436  *  Use the read-format region mask bits in the descriptor initialization
437  *  Use the write-back format region mask bits in the transmit data process.
438  */
439 typedef struct _enet_qos_tx_bd_struct
440 {
441     __IO uint32_t buff1Addr;   /*!< Buffer 1 address */
442     __IO uint32_t buff2Addr;   /*!< Buffer 2 address */
443     __IO uint32_t buffLen;     /*!< Buffer 1/2 byte counts */
444     __IO uint32_t controlStat; /*!< TDES control and status word */
445 } enet_qos_tx_bd_struct_t;
446 
447 /*! @brief Defines the Tx BD configuration structure. */
448 typedef struct _enet_qos_tx_bd_config_struct
449 {
450     void *buffer1;           /*!< The first buffer address in the descriptor. */
451     uint32_t bytes1;         /*!< The bytes in the fist buffer. */
452     void *buffer2;           /*!< The second buffer address in the descriptor. */
453     uint32_t bytes2;         /*!< The bytes in the second buffer. */
454     uint32_t framelen;       /*!< The length of the frame to be transmitted. */
455     bool intEnable;          /*!< Interrupt enable flag. */
456     bool tsEnable;           /*!< The timestamp enable. */
457     enet_qos_tx_offload_t txOffloadOps; /*!< The Tx checksum offload option. */
458     enet_qos_desc_flag flag; /*!< The flag of this tx desciriptor, see "enet_qos_desc_flag". */
459 } enet_qos_tx_bd_config_struct_t;
460 
461 /*! @brief Defines the ENET PTP time stamp structure. */
462 typedef struct _enet_qos_ptp_time
463 {
464     uint64_t second;     /*!< Second. */
465     uint32_t nanosecond; /*!< Nanosecond. */
466 } enet_qos_ptp_time_t;
467 
468 /*! @brief Defines the frame info structure. */
469 typedef struct enet_qos_frame_info
470 {
471     void *context;                 /*!< User specified data, could be buffer address for free */
472     bool isTsAvail;                /*!< Flag indicates timestamp available status */
473     enet_qos_ptp_time_t timeStamp; /*!< Timestamp of frame */
474 } enet_qos_frame_info_t;
475 
476 /*! @brief Defines the ENET transmit dirty addresses ring/queue structure. */
477 typedef struct _enet_qos_tx_dirty_ring
478 {
479     enet_qos_frame_info_t *txDirtyBase; /*!< Dirty buffer descriptor base address pointer. */
480     uint16_t txGenIdx;                  /*!< tx generate index. */
481     uint16_t txConsumIdx;               /*!< tx consume index. */
482     uint16_t txRingLen;                 /*!< tx ring length. */
483     bool isFull;                        /*!< tx ring is full flag, add this parameter to avoid waste one element. */
484 } enet_qos_tx_dirty_ring_t;
485 
486 /*! @brief Defines the ENET PTP configuration structure. */
487 typedef struct _enet_qos_ptp_config
488 {
489     bool fineUpdateEnable;       /*!< Use the fine update. */
490     uint32_t defaultAddend;      /*!< Default addend value when fine update is enable, could be 2^32 / (refClk_Hz /
491                                     ENET_QOS_MICRSECS_ONESECOND / ENET_QOS_SYSTIME_REQUIRED_CLK_MHZ). */
492     uint32_t systemTimeClock_Hz; /*! The desired system time frequency. Must be lower than reference clock. (Only used
493                                     with fine correction method). */
494     bool ptp1588V2Enable;        /*!< ptp 1588 version 2 is used. */
495     enet_qos_ts_rollover_type tsRollover; /*!< 1588 time nanosecond rollover. */
496 } enet_qos_ptp_config_t;
497 
498 /*! @brief Defines the EST gate operation structure. */
499 typedef struct _enet_qos_est_gate_op
500 {
501     uint32_t gate;
502     uint32_t interval;
503 } enet_qos_est_gate_op_t;
504 
505 /*! @brief Defines the EST gate control list structure. */
506 typedef struct _enet_qos_est_gcl
507 {
508     bool enable;                    /*!< Enable or disable EST */
509     uint64_t baseTime;              /*! Base Time 32 bits seconds 32 bits nanoseconds */
510     uint64_t cycleTime;             /*! Cycle Time 32 bits seconds 32 bits nanoseconds */
511     uint32_t extTime;               /*! Time Extension 32 bits seconds 32 bits nanoseconds */
512     uint32_t numEntries;            /*! Number of entries */
513     enet_qos_est_gate_op_t *opList; /*! Pointer to GCL list size */
514 } enet_qos_est_gcl_t;
515 
516 /*! @brief Defines the ENET_QOS Rx parser configuration structure.*/
517 typedef struct _enet_qos_rxp_config
518 {
519     uint32_t matchData;       /*! 4-byte match data used for comparing with incoming packet */
520     uint32_t matchEnable;     /*! When matchEnable is set to 1, the matchData is used for comparing */
521     uint8_t acceptFrame : 1;  /*! When acceptFrame = 1 and data is matched, the frame will be sent to DMA channel */
522     uint8_t rejectFrame : 1;  /*! When rejectFrame = 1 and data is matched, the frame will be dropped */
523     uint8_t inverseMatch : 1; /*! Inverse match */
524     uint8_t nextControl : 1;  /*! Next instruction indexing control */
525     uint8_t reserved : 4;     /*! Reserved control fields */
526     uint8_t frameOffset;      /*! Frame offset in the packet data to be compared for match, in terms of 4 bytes. */
527     uint8_t okIndex;          /*! Memory Index to be used next. */
528     uint8_t dmaChannel; /*! The DMA channel enet_qos_rxp_dma_chn_t used for receiving the frame when frame match and
529                            acceptFrame = 1 */
530     uint32_t reserved2; /*! Reserved for future enhancements */
531 } enet_qos_rxp_config_t;
532 
533 /*! @brief Defines the buffer descriptor configure structure.
534  *
535  * @note
536  * 1. The receive and transmit descriptor start address pointer and tail pointer must be word-aligned.
537  * 2. The recommended minimum tx/rx ring length is 4.
538  * 3. The tx/rx descriptor tail address shall be the address pointer to the address just after the end
539  *    of the last last descriptor. because only the descriptors between the start address and the
540  *    tail address will be used by DMA.
541  * 4. The descriptor address is the start address of all used contiguous memory.
542  *    for example, the rxDescStartAddrAlign is the start address of rxRingLen contiguous descriptor memories
543  *    for rx descriptor ring 0.
544  * 5. The "*rxBufferstartAddr" is the first element of  rxRingLen (2*rxRingLen for double buffers)
545  *    rx buffers. It means the *rxBufferStartAddr is the rx buffer for the first descriptor
546  *    the *rxBufferStartAddr + 1 is the rx buffer for the second descriptor or the rx buffer for
547  *    the second buffer in the first descriptor. so please make sure the rxBufferStartAddr is the
548  *    address of a rxRingLen or 2*rxRingLen array.
549  */
550 typedef struct _enet_qos_buffer_config
551 {
552     uint8_t rxRingLen;                             /*!< The length of receive buffer descriptor ring. */
553     uint8_t txRingLen;                             /*!< The length of transmit buffer descriptor ring. */
554     enet_qos_tx_bd_struct_t *txDescStartAddrAlign; /*!< Aligned transmit descriptor start address. */
555     enet_qos_tx_bd_struct_t *txDescTailAddrAlign;  /*!< Aligned transmit descriptor tail address. */
556     enet_qos_frame_info_t *txDirtyStartAddr;       /*!< Start address of the dirty tx frame information. */
557     enet_qos_rx_bd_struct_t *rxDescStartAddrAlign; /*!< Aligned receive descriptor start address. */
558     enet_qos_rx_bd_struct_t *rxDescTailAddrAlign;  /*!< Aligned receive descriptor tail address. */
559     uint32_t *rxBufferStartAddr;                   /*!< Start address of the rx buffers. */
560     uint32_t rxBuffSizeAlign;                      /*!< Aligned receive data buffer size. */
561     bool rxBuffNeedMaintain;                       /*!< Whether receive data buffer need cache maintain. */
562 } enet_qos_buffer_config_t;
563 
564 /*! @brief Defines the CBS configuration for queue. */
565 typedef struct _enet_qos_cbs_config
566 {
567     uint16_t sendSlope;  /*!< Send slope configuration. */
568     uint16_t idleSlope;  /*!< Idle slope configuration. */
569     uint32_t highCredit; /*!< High credit. */
570     uint32_t lowCredit;  /*!< Low credit. */
571 } enet_qos_cbs_config_t;
572 
573 /*! @brief Defines the queue configuration structure. */
574 typedef struct enet_qos_tx_queue_config
575 {
576     enet_qos_queue_mode_t mode;       /*!< tx queue mode configuration. */
577     uint32_t weight;                  /*!< Refer to the MTL TxQ Quantum Weight register. */
578     uint32_t priority;                /*!< Refer to Transmit Queue Priority Mapping register. */
579     enet_qos_cbs_config_t *cbsConfig; /*!< CBS configuration if queue use AVB mode. */
580 } enet_qos_queue_tx_config_t;
581 
582 /*! @brief Defines the queue configuration structure. */
583 typedef struct enet_qos_rx_queue_config
584 {
585     enet_qos_queue_mode_t mode;            /*!< rx queue mode configuration. */
586     uint8_t mapChannel;                    /*!< tx queue map dma channel. */
587     uint32_t priority;                     /*!< Rx queue priority. */
588     enet_qos_rx_queue_route_t packetRoute; /*!< Receive packet routing. */
589 } enet_qos_queue_rx_config_t;
590 
591 /*! @brief Defines the configuration when multi-queue is used. */
592 typedef struct enet_qos_multiqueue_config
593 {
594     enet_qos_dma_burstlen burstLen;                                  /*!< Burst len for the multi-queue. */
595     uint8_t txQueueUse;                                              /*!< Used Tx queue count. */
596     enet_qos_mtl_multiqueue_txsche mtltxSche;                        /*!< Transmit schedule for multi-queue. */
597     enet_qos_queue_tx_config_t txQueueConfig[ENET_QOS_RING_NUM_MAX]; /*!< Tx Queue configuration. */
598     uint8_t rxQueueUse;                                              /*!< Used Rx queue count. */
599     enet_qos_mtl_multiqueue_rxsche mtlrxSche;                        /*!< Receive schedule for multi-queue. */
600     enet_qos_queue_rx_config_t rxQueueConfig[ENET_QOS_RING_NUM_MAX]; /*!< Rx Queue configuration. */
601 } enet_qos_multiqueue_config_t;
602 
603 /*! @brief Defines the Rx memory buffer alloc function pointer. */
604 typedef void *(*enet_qos_rx_alloc_callback_t)(ENET_QOS_Type *base, void *userData, uint8_t channel);
605 
606 /*! @brief Defines the Rx memory buffer free function pointer. */
607 typedef void (*enet_qos_rx_free_callback_t)(ENET_QOS_Type *base, void *buffer, void *userData, uint8_t channel);
608 
609 /*! @brief Defines the basic configuration structure for the ENET device.
610  *
611  *  @note Default the signal queue is used so the "*multiqueueCfg" is set default
612  *  with NULL. Set the pointer with a valid configuration pointer if the multiple
613  *  queues are required. If multiple queue is enabled, please make sure the
614  *  buffer configuration for all are prepared also.
615  */
616 typedef struct _enet_qos_config
617 {
618     uint16_t specialControl;                     /*!< The logic or of enet_qos_special_config_t */
619     enet_qos_multiqueue_config_t *multiqueueCfg; /*!< Use multi-queue. */
620     /* -----------------MAC block-------------------------------*/
621     enet_qos_mii_mode_t miiMode;     /*!< MII mode. */
622     enet_qos_mii_speed_t miiSpeed;   /*!< MII Speed. */
623     enet_qos_mii_duplex_t miiDuplex; /*!< MII duplex. */
624     uint16_t
625         pauseDuration; /*!< Used in the tx flow control frame, only valid when kENET_QOS_FlowControlEnable is set. */
626                        /* -----------------Timestamp -------------------------------*/
627     enet_qos_ptp_config_t *ptpConfig;         /*!< PTP 1588 feature configuration */
628     uint32_t csrClock_Hz;                     /*!< CSR clock frequency in HZ. */
629     enet_qos_rx_alloc_callback_t rxBuffAlloc; /*!< Callback to alloc memory, must be provided for zero-copy Rx. */
630     enet_qos_rx_free_callback_t rxBuffFree;   /*!< Callback to free memory, must be provided for zero-copy Rx. */
631 } enet_qos_config_t;
632 
633 /* Forward declaration of the handle typedef. */
634 typedef struct _enet_qos_handle enet_qos_handle_t;
635 
636 /*! @brief ENET callback function. */
637 typedef void (*enet_qos_callback_t)(
638     ENET_QOS_Type *base, enet_qos_handle_t *handle, enet_qos_event_t event, uint8_t channel, void *userData);
639 
640 /*! @brief Defines the ENET transmit buffer descriptor ring/queue structure. */
641 typedef struct _enet_qos_tx_bd_ring
642 {
643     enet_qos_tx_bd_struct_t *txBdBase; /*!< Buffer descriptor base address pointer. */
644     uint16_t txGenIdx;                 /*!< tx generate index. */
645     uint16_t txConsumIdx;              /*!< tx consume index. */
646     volatile uint16_t txDescUsed;      /*!< tx descriptor used number. */
647     uint16_t txRingLen;                /*!< tx ring length. */
648 } enet_qos_tx_bd_ring_t;
649 
650 /*! @brief Defines the ENET receive buffer descriptor ring/queue structure. */
651 typedef struct _enet_qos_rx_bd_ring
652 {
653     enet_qos_rx_bd_struct_t *rxBdBase; /*!< Buffer descriptor base address pointer. */
654     uint16_t rxGenIdx;                 /*!< The current available receive buffer descriptor pointer. */
655     uint16_t rxRingLen;                /*!< Receive ring length. */
656     uint32_t rxBuffSizeAlign;          /*!< Receive buffer size. */
657 } enet_qos_rx_bd_ring_t;
658 
659 /*! @brief Defines the ENET handler structure. */
660 struct _enet_qos_handle
661 {
662     uint8_t txQueueUse;                                          /*!< Used tx queue count. */
663     uint8_t rxQueueUse;                                          /*!< Used rx queue count. */
664     bool doubleBuffEnable;                                       /*!< The double buffer is used in the descriptor. */
665     bool rxintEnable;                                            /*!< Rx interrupt enabled. */
666     bool rxMaintainEnable[ENET_QOS_RING_NUM_MAX];                /*!< Rx buffer cache maintain enabled. */
667     enet_qos_rx_bd_ring_t rxBdRing[ENET_QOS_RING_NUM_MAX];       /*!< Receive buffer descriptor.  */
668     enet_qos_tx_bd_ring_t txBdRing[ENET_QOS_RING_NUM_MAX];       /*!< Transmit buffer descriptor.  */
669     enet_qos_tx_dirty_ring_t txDirtyRing[ENET_QOS_RING_NUM_MAX]; /*!< Transmit dirty buffers addresses.  */
670     uint32_t *rxBufferStartAddr[ENET_QOS_RING_NUM_MAX];          /*!< Rx buffer start address for reInitialize. */
671     enet_qos_callback_t callback;                                /*!< Callback function. */
672     void *userData;                                              /*!< Callback function parameter.*/
673     uint8_t multicastCount[64];                                  /*!< Multicast collisions counter */
674     enet_qos_rx_alloc_callback_t rxBuffAlloc; /*!< Callback to alloc memory, must be provided for zero-copy Rx. */
675     enet_qos_rx_free_callback_t rxBuffFree;   /*!< Callback to free memory, must be provided for zero-copy Rx. */
676 };
677 
678 /*! @brief Defines the frame buffer structure. */
679 typedef struct _enet_qos_buffer_struct
680 {
681     void *buffer;    /*!< The buffer store the whole or partial frame. */
682     uint16_t length; /*!< The byte length of this buffer. */
683 } enet_qos_buffer_struct_t;
684 
685 /*! @brief Defines the Rx frame error structure. */
686 typedef struct _enet_qos_rx_frame_error
687 {
688     bool rxDstAddrFilterErr : 1; /*!< Destination Address Filter Fail. */
689     bool rxSrcAddrFilterErr : 1; /*!< SA Address Filter Fail. */
690     bool rxDribbleErr : 1;       /*!< Dribble error. */
691     bool rxReceiveErr : 1;       /*!< Receive error. */
692     bool rxOverFlowErr : 1;      /*!< Receive over flow. */
693     bool rxWatchDogErr : 1;      /*!< Watch dog timeout. */
694     bool rxGaintPacketErr : 1;   /*!< Receive gaint packet. */
695     bool rxCrcErr : 1;           /*!< Receive CRC error. */
696 } enet_qos_rx_frame_error_t;
697 
698 typedef struct _enet_qos_rx_frame_attribute_struct
699 {
700     bool isTsAvail;                /*!< Rx frame timestamp is available or not. */
701     enet_qos_ptp_time_t timestamp; /*!< The nanosecond part timestamp of this Rx frame. */
702 } enet_qos_rx_frame_attribute_t;
703 
704 /*! @brief Defines the Rx frame data structure. */
705 typedef struct _enet_qos_rx_frame_struct
706 {
707     enet_qos_buffer_struct_t *rxBuffArray;     /*!< Rx frame buffer structure. */
708     uint16_t totLen;                           /*!< Rx frame total length. */
709     enet_qos_rx_frame_attribute_t rxAttribute; /*!< Rx frame attribute structure. */
710     enet_qos_rx_frame_error_t rxFrameError;    /*!< Rx frame error. */
711 } enet_qos_rx_frame_struct_t;
712 
713 /*! @brief Defines the ENET QOS transfer statistics structure. */
714 typedef struct _enet_qos_transfer_stats
715 {
716     uint32_t statsRxFrameCount;      /*!< Rx frame number. */
717     uint32_t statsRxCrcErr;          /*!< Rx frame number with CRC error. */
718     uint32_t statsRxAlignErr;        /*!< Rx frame number with alignment error. */
719     uint32_t statsRxLengthErr;       /*!< Rx frame length field doesn't equal to packet size. */
720     uint32_t statsRxFifoOverflowErr; /*!< Rx FIFO overflow count. */
721     uint32_t statsTxFrameCount;      /*!< Tx frame number. */
722     uint32_t statsTxFifoUnderRunErr; /*!< Tx FIFO underrun count. */
723 } enet_qos_transfer_stats_t;
724 
725 /* Typedef for interrupt handler. */
726 typedef void (*enet_qos_isr_t)(ENET_QOS_Type *base, enet_qos_handle_t *handle);
727 
728 #if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL)
729 /*! @brief Pointers to enet clocks for each instance. */
730 extern const clock_ip_name_t s_enetqosClock[];
731 #endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */
732 
733 /*!
734  * @brief Set ENET system configuration.
735  * @note User needs to provide the implementation because the implementation is SoC specific.
736  *  This function set the phy selection and enable clock.
737  *  It should be called before any other ethernet operation.
738  *
739  * @param miiMode  The MII/RGMII/RMII mode for interface between the phy and Ethernet.
740  */
741 extern void ENET_QOS_SetSYSControl(enet_qos_mii_mode_t miiMode);
742 
743 /*!
744  * @brief Enable/Disable ENET qos clock.
745  * @note User needs to provide the implementation because the implementation is SoC specific.
746  *  This function should be called before config RMII mode.
747  *
748  */
749 extern void ENET_QOS_EnableClock(bool enable);
750 
751 /*******************************************************************************
752  * API
753  ******************************************************************************/
754 
755 #if defined(__cplusplus)
756 extern "C" {
757 #endif
758 
759 /*!
760  * @name Initialization and De-initialization
761  * @{
762  */
763 
764 /*!
765  * @brief Gets the ENET default configuration structure.
766  *
767  * The purpose of this API is to get the default ENET configure
768  * structure for @ref ENET_QOS_Init(). User may use the initialized
769  * structure unchanged in @ref ENET_QOS_Init(), or modify some fields of the
770  * structure before calling @ref ENET_QOS_Init().
771  * Example:
772    @code
773    enet_qos_config_t config;
774    ENET_QOS_GetDefaultConfig(&config);
775    @endcode
776  * @param config The ENET mac controller configuration structure pointer.
777  */
778 void ENET_QOS_GetDefaultConfig(enet_qos_config_t *config);
779 
780 /*!
781  * @brief Initializes the ENET module.
782  *
783  * This function initializes it with the ENET basic
784  * configuration.
785  *
786  * @param base    ENET peripheral base address.
787  * @param config  ENET mac configuration structure pointer.
788  *        The "enet_qos_config_t" type mac configuration return from ENET_QOS_GetDefaultConfig
789  *        can be used directly. It is also possible to verify the Mac configuration using other methods.
790  * @param macAddr  Pointer to ENET mac address array of Ethernet device. This MAC address should be
791  *        provided.
792  * @param macCount Count of macAddr in the ENET mac address array
793  * @param refclkSrc_Hz ENET input reference clock.
794  */
795 status_t ENET_QOS_Up(
796     ENET_QOS_Type *base, const enet_qos_config_t *config, uint8_t *macAddr, uint8_t macCount, uint32_t refclkSrc_Hz);
797 
798 /*!
799  * @brief Initializes the ENET module.
800  *
801  * This function ungates the module clock and initializes it with the ENET basic
802  * configuration.
803  *
804  * @param base    ENET peripheral base address.
805  * @param config  ENET mac configuration structure pointer.
806  *        The "enet_qos_config_t" type mac configuration return from ENET_QOS_GetDefaultConfig
807  *        can be used directly. It is also possible to verify the Mac configuration using other methods.
808  * @param macAddr  Pointer to ENET mac address array of Ethernet device. This MAC address should be
809  *        provided.
810  * @param macCount Count of macAddr in the ENET mac address array
811  * @param refclkSrc_Hz ENET input reference clock.
812  */
813 status_t ENET_QOS_Init(
814     ENET_QOS_Type *base, const enet_qos_config_t *config, uint8_t *macAddr, uint8_t macCount, uint32_t refclkSrc_Hz);
815 
816 /*!
817  * @brief Stops the ENET module.
818 
819  * This function disables the ENET module.
820  *
821  * @param base  ENET peripheral base address.
822  */
823 void ENET_QOS_Down(ENET_QOS_Type *base);
824 
825 /*!
826  * @brief Deinitializes the ENET module.
827 
828  * This function gates the module clock and disables the ENET module.
829  *
830  * @param base  ENET peripheral base address.
831  */
832 void ENET_QOS_Deinit(ENET_QOS_Type *base);
833 
834 /*!
835  * @brief Get the ENET instance from peripheral base address.
836  *
837  * @param base ENET peripheral base address.
838  * @return ENET instance.
839  */
840 uint32_t ENET_QOS_GetInstance(ENET_QOS_Type *base);
841 
842 /*!
843  * @brief Initialize for all ENET descriptors.
844  *
845  * @note This function is do all tx/rx descriptors initialization. Because this API
846  *  read all interrupt registers first and then set the interrupt flag for all descriptors,
847  * if the interrupt register is set. so the descriptor initialization should be called
848  * after ENET_QOS_Init(), ENET_QOS_EnableInterrupts() and ENET_QOS_CreateHandle()(if transactional APIs
849  * are used).
850  *
851  * @param base  ENET peripheral base address.
852  * @param config The configuration for ENET.
853  * @param bufferConfig All buffers configuration.
854  */
855 status_t ENET_QOS_DescriptorInit(ENET_QOS_Type *base,
856                                  enet_qos_config_t *config,
857                                  enet_qos_buffer_config_t *bufferConfig);
858 
859 /*!
860  * @brief Allocates Rx buffers for all BDs.
861  * It's used for zero copy Rx. In zero copy Rx case, Rx buffers are dynamic. This function
862  * will populate initial buffers in all BDs for receiving. Then ENET_QOS_GetRxFrame() is used
863  * to get Rx frame with zero copy, it will allocate new buffer to replace the buffer in BD taken
864  * by application application should free those buffers after they're used.
865  *
866  * @note This function should be called after ENET_QOS_CreateHandler() and buffer allocating callback
867  * function should be ready.
868  *
869  * @param base  ENET_QOS peripheral base address.
870  * @param handle The ENET_QOS handler structure. This is the same handler pointer used in the ENET_QOS_Init.
871  */
872 status_t ENET_QOS_RxBufferAllocAll(ENET_QOS_Type *base, enet_qos_handle_t *handle);
873 
874 /*!
875  * @brief Frees Rx buffers in all BDs.
876  * It's used for zero copy Rx. In zero copy Rx case, Rx buffers are dynamic. This function
877  * will free left buffers in all BDs.
878  *
879  * @param base  ENET_QOS peripheral base address.
880  * @param handle The ENET_QOS handler structure. This is the same handler pointer used in the ENET_QOS_Init.
881  */
882 void ENET_QOS_RxBufferFreeAll(ENET_QOS_Type *base, enet_qos_handle_t *handle);
883 
884 /*!
885  * @brief Starts the ENET rx/tx.
886  *  This function enable the tx/rx and starts the rx/tx DMA.
887  * This shall be set after ENET initialization and before
888  * starting to receive the data.
889  *
890  * @param base  ENET peripheral base address.
891  * @param rxRingNum  The number of the used rx rings. It shall not be
892  * larger than the ENET_QOS_RING_NUM_MAX(2). If the ringNum is set with
893  * 1, the ring 0 will be used.
894  * @param txRingNum  The number of the used tx rings. It shall not be
895  * larger than the ENET_QOS_RING_NUM_MAX(2). If the ringNum is set with
896  * 1, the ring 0 will be used.
897  *
898  * @note This must be called after all the ENET initialization.
899  * And should be called when the ENET receive/transmit is required.
900  */
901 void ENET_QOS_StartRxTx(ENET_QOS_Type *base, uint8_t txRingNum, uint8_t rxRingNum);
902 
903 /*! @} */
904 
905 /*!
906  * @name MII interface operation
907  * @{
908  */
909 
910 /*!
911  * @brief Sets the ENET MII speed and duplex.
912  *
913  * This API is provided to dynamically change the speed and duplex for MAC.
914  *
915  * @param base  ENET peripheral base address.
916  * @param speed The speed of the RMII mode.
917  * @param duplex The duplex of the RMII mode.
918  */
ENET_QOS_SetMII(ENET_QOS_Type * base,enet_qos_mii_speed_t speed,enet_qos_mii_duplex_t duplex)919 static inline void ENET_QOS_SetMII(ENET_QOS_Type *base, enet_qos_mii_speed_t speed, enet_qos_mii_duplex_t duplex)
920 {
921     uint32_t reg = base->MAC_CONFIGURATION & ~(ENET_QOS_MAC_CONFIGURATION_DM_MASK | ENET_QOS_MAC_CONFIGURATION_PS_MASK |
922                                                ENET_QOS_MAC_CONFIGURATION_FES_MASK);
923     reg |= ENET_QOS_MAC_CONFIGURATION_DM(duplex) | (uint32_t)speed;
924 
925     base->MAC_CONFIGURATION = reg;
926 }
927 
928 /*!
929  * @brief Sets the ENET SMI(serial management interface)- MII management interface.
930  *
931  * @param base  ENET peripheral base address.
932  * @param csrClock_Hz  CSR clock frequency in HZ
933  */
934 void ENET_QOS_SetSMI(ENET_QOS_Type *base, uint32_t csrClock_Hz);
935 
936 /*!
937  * @brief Checks if the SMI is busy.
938  *
939  * @param base  ENET peripheral base address.
940  * @return The status of MII Busy status.
941  */
ENET_QOS_IsSMIBusy(ENET_QOS_Type * base)942 static inline bool ENET_QOS_IsSMIBusy(ENET_QOS_Type *base)
943 {
944     return ((base->MAC_MDIO_ADDRESS & ENET_QOS_MAC_MDIO_ADDRESS_GB_MASK) != 0U) ? true : false;
945 }
946 
947 /*!
948  * @brief Reads data from the PHY register through SMI interface.
949  *
950  * @param base  ENET peripheral base address.
951  * @return The data read from PHY
952  */
ENET_QOS_ReadSMIData(ENET_QOS_Type * base)953 static inline uint16_t ENET_QOS_ReadSMIData(ENET_QOS_Type *base)
954 {
955     return (uint16_t)(base->MAC_MDIO_DATA & ENET_QOS_MAC_MDIO_DATA_GD_MASK);
956 }
957 
958 /*!
959  * @brief Sends the MDIO IEEE802.3 Clause 22 format write command.
960  * After send command, user needs to check whether the transmission is over
961  * with ENET_QOS_IsSMIBusy().
962  *
963  * @param base  ENET peripheral base address.
964  * @param phyAddr The PHY address.
965  * @param regAddr The PHY register address.
966  * @param data The data written to PHY.
967  */
968 void ENET_QOS_StartSMIWrite(ENET_QOS_Type *base, uint8_t phyAddr, uint8_t regAddr, uint16_t data);
969 
970 /*!
971  * @brief Sends the MDIO IEEE802.3 Clause 22 format read command.
972  * After send command, user needs to check whether the transmission is over
973  * with ENET_QOS_IsSMIBusy().
974  *
975  * @param base  ENET peripheral base address.
976  * @param phyAddr The PHY address.
977  * @param regAddr The PHY register address.
978  */
979 void ENET_QOS_StartSMIRead(ENET_QOS_Type *base, uint8_t phyAddr, uint8_t regAddr);
980 
981 /*!
982  * @brief Sends the MDIO IEEE802.3 Clause 45 format write command.
983  * After send command, user needs to check whether the transmission is over
984  * with ENET_QOS_IsSMIBusy().
985  *
986  * @param base  ENET peripheral base address.
987  * @param portAddr  The MDIO port address(PHY address).
988  * @param devAddr  The device address.
989  * @param regAddr  The PHY register address.
990  * @param data The data written to PHY.
991  */
992 void ENET_QOS_StartExtC45SMIWrite(
993     ENET_QOS_Type *base, uint8_t portAddr, uint8_t devAddr, uint16_t regAddr, uint16_t data);
994 
995 /*!
996  * @brief Sends the MDIO IEEE802.3 Clause 45 format read command.
997  * After send command, user needs to check whether the transmission is over
998  * with ENET_QOS_IsSMIBusy().
999  *
1000  * @param base  ENET peripheral base address.
1001  * @param portAddr  The MDIO port address(PHY address).
1002  * @param devAddr  The device address.
1003  * @param regAddr  The PHY register address.
1004  */
1005 void ENET_QOS_StartExtC45SMIRead(ENET_QOS_Type *base, uint8_t portAddr, uint8_t devAddr, uint16_t regAddr);
1006 
1007 /*!
1008  * @brief MDIO write with IEEE802.3 MDIO Clause 22 format.
1009  *
1010  * @param base  ENET peripheral base address.
1011  * @param phyAddr  The PHY address.
1012  * @param regAddr  The PHY register.
1013  * @param data  The data written to PHY.
1014  * @return kStatus_Success  MDIO access succeeds.
1015  * @return kStatus_Timeout  MDIO access timeout.
1016  */
1017 status_t ENET_QOS_MDIOWrite(ENET_QOS_Type *base, uint8_t phyAddr, uint8_t regAddr, uint16_t data);
1018 
1019 /*!
1020  * @brief MDIO read with IEEE802.3 MDIO Clause 22 format.
1021  *
1022  * @param base  ENET peripheral base address.
1023  * @param phyAddr  The PHY address.
1024  * @param regAddr  The PHY register.
1025  * @param pData  The data read from PHY.
1026  * @return kStatus_Success  MDIO access succeeds.
1027  * @return kStatus_Timeout  MDIO access timeout.
1028  */
1029 status_t ENET_QOS_MDIORead(ENET_QOS_Type *base, uint8_t phyAddr, uint8_t regAddr, uint16_t *pData);
1030 
1031 /*!
1032  * @brief MDIO write with IEEE802.3 Clause 45 format.
1033  *
1034  * @param base  ENET peripheral base address.
1035  * @param portAddr  The MDIO port address(PHY address).
1036  * @param devAddr  The device address.
1037  * @param regAddr  The PHY register address.
1038  * @param data  The data written to PHY.
1039  * @return kStatus_Success  MDIO access succeeds.
1040  * @return kStatus_Timeout  MDIO access timeout.
1041  */
1042 status_t ENET_QOS_MDIOC45Write(ENET_QOS_Type *base, uint8_t portAddr, uint8_t devAddr, uint16_t regAddr, uint16_t data);
1043 
1044 /*!
1045  * @brief MDIO read with IEEE802.3 Clause 45 format.
1046  *
1047  * @param base  ENET peripheral base address.
1048  * @param portAddr  The MDIO port address(PHY address).
1049  * @param devAddr  The device address.
1050  * @param regAddr  The PHY register address.
1051  * @param pData  The data read from PHY.
1052  * @return kStatus_Success  MDIO access succeeds.
1053  * @return kStatus_Timeout  MDIO access timeout.
1054  */
1055 status_t ENET_QOS_MDIOC45Read(
1056     ENET_QOS_Type *base, uint8_t portAddr, uint8_t devAddr, uint16_t regAddr, uint16_t *pData);
1057 
1058 /*! @} */
1059 
1060 /*!
1061  * @name Other basic operation
1062  * @{
1063  */
1064 
1065 /*!
1066  * @brief Sets the ENET module Mac address.
1067  *
1068  * @param base  ENET peripheral base address.
1069  * @param macAddr The six-byte Mac address pointer.
1070  *        The pointer is allocated by application and input into the API.
1071  * @param index Configure macAddr to MAC_ADDRESS[index] register.
1072  */
ENET_QOS_SetMacAddr(ENET_QOS_Type * base,uint8_t * macAddr,uint8_t index)1073 static inline void ENET_QOS_SetMacAddr(ENET_QOS_Type *base, uint8_t *macAddr, uint8_t index)
1074 {
1075     uint32_t lowAddress;
1076     uint32_t highAddress;
1077 
1078     assert(macAddr != NULL);
1079 
1080     lowAddress = ((uint32_t)macAddr[3] << 24U) | ((uint32_t)macAddr[2] << 16U) | ((uint32_t)macAddr[1] << 8U) |
1081                  ((uint32_t)macAddr[0]);
1082     highAddress = ((uint32_t)macAddr[5] << 8U) | ((uint32_t)macAddr[4]);
1083     /* Set Macaddr, the MAC address registers are configured to be double-synchronized to the MII clock
1084       domains, then the synchronization is triggered only when bits 31:24 (in little-endian mode)
1085       or bits 7:0 (in Big-Endian mode) of the MAC address low register are written to.*/
1086     base->MAC_ADDRESS[index].HIGH = highAddress | ENET_QOS_HIGH_AE_MASK;
1087     base->MAC_ADDRESS[index].LOW  = lowAddress;
1088 }
1089 
1090 /*!
1091  * @brief Gets the ENET module Mac address.
1092  *
1093  * @param base  ENET peripheral base address.
1094  * @param macAddr The six-byte Mac address pointer.
1095  *        The pointer is allocated by application and input into the API.
1096  * @param index Get macAddr from MAC_ADDRESS[index] register.
1097  */
1098 void ENET_QOS_GetMacAddr(ENET_QOS_Type *base, uint8_t *macAddr, uint8_t index);
1099 
1100 /*!
1101  * @brief Adds the ENET_QOS device to a multicast group.
1102  *
1103  * @param base    ENET_QOS peripheral base address.
1104  * @param address The six-byte multicast group address which is provided by application.
1105  */
1106 void ENET_QOS_AddMulticastGroup(ENET_QOS_Type *base, uint8_t *address);
1107 
1108 /*!
1109  * @brief Moves the ENET_QOS device from a multicast group.
1110  *
1111  * @param base  ENET_QOS peripheral base address.
1112  * @param address The six-byte multicast group address which is provided by application.
1113  */
1114 void ENET_QOS_LeaveMulticastGroup(ENET_QOS_Type *base, uint8_t *address);
1115 
1116 /*!
1117  * @brief Enable ENET device to accept all multicast frames.
1118  *
1119  * @param base    ENET peripheral base address.
1120  */
ENET_QOS_AcceptAllMulticast(ENET_QOS_Type * base)1121 static inline void ENET_QOS_AcceptAllMulticast(ENET_QOS_Type *base)
1122 {
1123     uint32_t reg = base->MAC_PACKET_FILTER;
1124 
1125     base->MAC_PACKET_FILTER = reg | ENET_QOS_MAC_PACKET_FILTER_PM_MASK;
1126 }
1127 
1128 /*!
1129  * @brief ENET device reject to accept all multicast frames.
1130  *
1131  * @param base  ENET peripheral base address.
1132  */
ENET_QOS_RejectAllMulticast(ENET_QOS_Type * base)1133 static inline void ENET_QOS_RejectAllMulticast(ENET_QOS_Type *base)
1134 {
1135     uint32_t reg = base->MAC_PACKET_FILTER;
1136 
1137     base->MAC_PACKET_FILTER = reg & ~ENET_QOS_MAC_PACKET_FILTER_PM_MASK;
1138 }
1139 
1140 /*!
1141  * @brief Set the MAC to enter into power down mode.
1142  * the remote power wake up frame and magic frame can wake up
1143  * the ENET from the power down mode.
1144  *
1145  * @param base    ENET peripheral base address.
1146  * @param wakeFilter  The wakeFilter provided to configure the wake up frame filter.
1147  *  Set the wakeFilter to NULL is not required. But if you have the filter requirement,
1148  *  please make sure the wakeFilter pointer shall be eight continuous
1149  *  32-bits configuration.
1150  */
1151 void ENET_QOS_EnterPowerDown(ENET_QOS_Type *base, uint32_t *wakeFilter);
1152 
1153 /*!
1154  * @brief Set the MAC to exit power down mode.
1155  * Exit from the power down mode and recover to normal work mode.
1156  *
1157  * @param base    ENET peripheral base address.
1158  */
ENET_QOS_ExitPowerDown(ENET_QOS_Type * base)1159 static inline void ENET_QOS_ExitPowerDown(ENET_QOS_Type *base)
1160 {
1161     /* Clear and status ans reset the power down. */
1162     base->MAC_PMT_CONTROL_STATUS &= ~ENET_QOS_MAC_PMT_CONTROL_STATUS_PWRDWN_MASK;
1163 
1164     /* Restore the tx which is disabled when enter power down mode. */
1165     base->DMA_CH[0].DMA_CHX_TX_CTRL |= ENET_QOS_DMA_CHX_TX_CTRL_ST_MASK;
1166     base->DMA_CH[1].DMA_CHX_TX_CTRL |= ENET_QOS_DMA_CHX_TX_CTRL_ST_MASK;
1167     base->MAC_CONFIGURATION |= ENET_QOS_MAC_CONFIGURATION_TE_MASK;
1168 }
1169 
1170 /*!
1171  * @brief Enable/Disable Rx parser,please notice that for enable/disable Rx Parser,
1172  * should better disable Receive first.
1173  *
1174  * @param base    ENET_QOS peripheral base address.
1175  * @param enable    Enable/Disable Rx parser function
1176  * @retval kStatus_Success Configure rx parser success.
1177  * @retval kStatus_ENET_QOS_Timeout Poll status flag timeout.
1178  */
1179 status_t ENET_QOS_EnableRxParser(ENET_QOS_Type *base, bool enable);
1180 /*! @} */
1181 
1182 /*!
1183  * @name Interrupts.
1184  * @{
1185  */
1186 
1187 /*!
1188  * @brief Enables the ENET DMA and MAC interrupts.
1189  *
1190  * This function enables the ENET interrupt according to the provided mask. The mask
1191  * is a logical OR of enet_qos_dma_interrupt_enable_t and enet_qos_mac_interrupt_enable_t.
1192  * For example, to enable the dma and mac interrupt, do the following.
1193  * @code
1194  *     ENET_QOS_EnableInterrupts(ENET, kENET_QOS_DmaRx | kENET_QOS_DmaTx | kENET_QOS_MacPmt);
1195  * @endcode
1196  *
1197  * @param base  ENET peripheral base address.
1198  * @param mask  ENET interrupts to enable. This is a logical OR of both
1199  *             enumeration :: enet_qos_dma_interrupt_enable_t and enet_qos_mac_interrupt_enable_t.
1200  */
1201 void ENET_QOS_EnableInterrupts(ENET_QOS_Type *base, uint32_t mask);
1202 
1203 /*!
1204  * @brief Disables the ENET DMA and MAC interrupts.
1205  *
1206  * This function disables the ENET interrupt according to the provided mask. The mask
1207  * is a logical OR of enet_qos_dma_interrupt_enable_t and enet_qos_mac_interrupt_enable_t.
1208  * For example, to disable the dma and mac interrupt, do the following.
1209  * @code
1210  *     ENET_QOS_DisableInterrupts(ENET, kENET_QOS_DmaRx | kENET_QOS_DmaTx | kENET_QOS_MacPmt);
1211  * @endcode
1212  *
1213  * @param base  ENET peripheral base address.
1214  * @param mask  ENET interrupts to disables. This is a logical OR of both
1215  *             enumeration :: enet_qos_dma_interrupt_enable_t and enet_qos_mac_interrupt_enable_t.
1216  */
1217 void ENET_QOS_DisableInterrupts(ENET_QOS_Type *base, uint32_t mask);
1218 
1219 /*!
1220  * @brief Gets the ENET DMA interrupt status flag.
1221  *
1222  * @param base  ENET peripheral base address.
1223  * @param channel The DMA Channel. Shall not be larger than ENET_QOS_RING_NUM_MAX.
1224  * @return The event status of the interrupt source. This is the logical OR of members
1225  *         of the enumeration :: enet_qos_dma_interrupt_enable_t.
1226  */
ENET_QOS_GetDmaInterruptStatus(ENET_QOS_Type * base,uint8_t channel)1227 static inline uint32_t ENET_QOS_GetDmaInterruptStatus(ENET_QOS_Type *base, uint8_t channel)
1228 {
1229     return base->DMA_CH[channel].DMA_CHX_STAT;
1230 }
1231 
1232 /*!
1233  * @brief Clear the ENET DMA interrupt status flag.
1234  *
1235  * @param base  ENET peripheral base address.
1236  * @param channel The DMA Channel. Shall not be larger than ENET_QOS_RING_NUM_MAX.
1237  * @param mask The interrupt status to be cleared. This is the logical OR of members
1238  *         of the enumeration :: enet_qos_dma_interrupt_enable_t.
1239  */
ENET_QOS_ClearDmaInterruptStatus(ENET_QOS_Type * base,uint8_t channel,uint32_t mask)1240 static inline void ENET_QOS_ClearDmaInterruptStatus(ENET_QOS_Type *base, uint8_t channel, uint32_t mask)
1241 {
1242     /* Clear the dam interrupt status bit in dma channel interrupt status register. */
1243     base->DMA_CH[channel].DMA_CHX_STAT = mask;
1244 }
1245 
1246 /*!
1247  * @brief Gets the ENET MAC interrupt status flag.
1248  *
1249  * @param base  ENET peripheral base address.
1250  * @return The event status of the interrupt source.
1251  *       Use the enum in enet_qos_mac_interrupt_enable_t and right shift
1252  *       ENET_QOS_MACINT_ENUM_OFFSET to mask the returned value to get the
1253  *       exact interrupt status.
1254  */
ENET_QOS_GetMacInterruptStatus(ENET_QOS_Type * base)1255 static inline uint32_t ENET_QOS_GetMacInterruptStatus(ENET_QOS_Type *base)
1256 {
1257     return base->MAC_INTERRUPT_STATUS;
1258 }
1259 
1260 /*!
1261  * @brief Clears the ENET mac interrupt events status flag.
1262  *
1263  * This function clears enabled ENET interrupts according to the provided mask. The mask
1264  * is a logical OR of enumeration members. See the @ref enet_qos_mac_interrupt_enable_t.
1265  * For example, to clear the TX frame interrupt and RX frame interrupt, do the following.
1266  * @code
1267  *     ENET_QOS_ClearMacInterruptStatus(ENET, kENET_QOS_MacPmt);
1268  * @endcode
1269  *
1270  * @param base  ENET peripheral base address.
1271  * @param mask  ENET interrupt source to be cleared.
1272  * This is the logical OR of members of the enumeration :: enet_qos_mac_interrupt_enable_t.
1273  */
1274 void ENET_QOS_ClearMacInterruptStatus(ENET_QOS_Type *base, uint32_t mask);
1275 
1276 /*! @} */
1277 
1278 /*!
1279  * @name Functional operation.
1280  * @{
1281  */
1282 
1283 /*!
1284  * @brief Get the tx descriptor DMA Own flag.
1285  *
1286  * @param txDesc  The given tx descriptor.
1287  * @retval True the dma own tx descriptor, false application own tx descriptor.
1288  *
1289  */
ENET_QOS_IsTxDescriptorDmaOwn(enet_qos_tx_bd_struct_t * txDesc)1290 static inline bool ENET_QOS_IsTxDescriptorDmaOwn(enet_qos_tx_bd_struct_t *txDesc)
1291 {
1292     return ((txDesc->controlStat & ENET_QOS_TXDESCRIP_RD_OWN_MASK) != 0U) ? true : false;
1293 }
1294 
1295 /*!
1296  * @brief Setup a given tx descriptor.
1297  *  This function is a low level functional API to setup or prepare
1298  *  a given tx descriptor.
1299  *
1300  * @param txDesc  The given tx descriptor.
1301  * @param buffer1  The first buffer address in the descriptor.
1302  * @param bytes1  The bytes in the fist buffer.
1303  * @param buffer2  The second buffer address in the descriptor.
1304  * @param bytes2  The bytes in the second buffer.
1305  * @param framelen  The length of the frame to be transmitted.
1306  * @param intEnable Interrupt enable flag.
1307  * @param tsEnable The timestamp enable.
1308  * @param flag The flag of this tx descriptor, @ref enet_qos_desc_flag .
1309  * @param slotNum The slot num used for AV  only.
1310  *
1311  * @note This must be called after all the ENET initialization.
1312  * And should be called when the ENET receive/transmit is required.
1313  * Transmit buffers are 'zero-copy' buffers, so the buffer must remain in
1314  * memory until the packet has been fully transmitted. The buffers
1315  * should be free or requeued in the transmit interrupt irq handler.
1316  */
1317 void ENET_QOS_SetupTxDescriptor(enet_qos_tx_bd_struct_t *txDesc,
1318                                 void *buffer1,
1319                                 uint32_t bytes1,
1320                                 void *buffer2,
1321                                 uint32_t bytes2,
1322                                 uint32_t framelen,
1323                                 bool intEnable,
1324                                 bool tsEnable,
1325                                 enet_qos_desc_flag flag,
1326                                 uint8_t slotNum);
1327 
1328 /*!
1329  * @brief Update the tx descriptor tail pointer.
1330  *  This function is a low level functional API to update the
1331  *  the tx descriptor tail.
1332  *  This is called after you setup a new tx descriptor to update
1333  *  the tail pointer to make the new descriptor accessible by DMA.
1334  *
1335  * @param base    ENET peripheral base address.
1336  * @param channel  The tx DMA channel.
1337  * @param txDescTailAddrAlign  The new tx tail pointer address.
1338  *
1339  */
ENET_QOS_UpdateTxDescriptorTail(ENET_QOS_Type * base,uint8_t channel,uint32_t txDescTailAddrAlign)1340 static inline void ENET_QOS_UpdateTxDescriptorTail(ENET_QOS_Type *base, uint8_t channel, uint32_t txDescTailAddrAlign)
1341 {
1342     base->DMA_CH[channel].DMA_CHX_TXDESC_TAIL_PTR = txDescTailAddrAlign & ~ENET_QOS_ADDR_ALIGNMENT;
1343 }
1344 
1345 /*!
1346  * @brief Update the rx descriptor tail pointer.
1347  *  This function is a low level functional API to update the
1348  *  the rx descriptor tail.
1349  *  This is called after you setup a new rx descriptor to update
1350  *  the tail pointer to make the new descriptor accessible by DMA
1351  *  and to anouse the rx poll command for DMA.
1352  *
1353  * @param base    ENET peripheral base address.
1354  * @param channel  The rx DMA channel.
1355  * @param rxDescTailAddrAlign  The new rx tail pointer address.
1356  *
1357  */
ENET_QOS_UpdateRxDescriptorTail(ENET_QOS_Type * base,uint8_t channel,uint32_t rxDescTailAddrAlign)1358 static inline void ENET_QOS_UpdateRxDescriptorTail(ENET_QOS_Type *base, uint8_t channel, uint32_t rxDescTailAddrAlign)
1359 {
1360     base->DMA_CH[channel].DMA_CHX_RXDESC_TAIL_PTR = rxDescTailAddrAlign & ~ENET_QOS_ADDR_ALIGNMENT;
1361 }
1362 
1363 /*!
1364  * @brief Gets the context in the ENET rx descriptor.
1365  *  This function is a low level functional API to get the
1366  *  the status flag from a given rx descriptor.
1367  *
1368  * @param rxDesc  The given rx descriptor.
1369  * @retval The RDES3 regions for write-back format rx buffer descriptor.
1370  *
1371  * @note This must be called after all the ENET initialization.
1372  * And should be called when the ENET receive/transmit is required.
1373  */
ENET_QOS_GetRxDescriptor(enet_qos_rx_bd_struct_t * rxDesc)1374 static inline uint32_t ENET_QOS_GetRxDescriptor(enet_qos_rx_bd_struct_t *rxDesc)
1375 {
1376     assert(rxDesc != NULL);
1377 
1378     return rxDesc->control;
1379 }
1380 /*!
1381  * @brief Updates the buffers and the own status for a given rx descriptor.
1382  *  This function is a low level functional API to Updates the
1383  *  buffers and the own status for a given rx descriptor.
1384  *
1385  * @param rxDesc  The given rx descriptor.
1386  * @param buffer1  The first buffer address in the descriptor.
1387  * @param buffer2  The second buffer address in the descriptor.
1388  * @param intEnable Interrupt enable flag.
1389  * @param doubleBuffEnable The double buffer enable flag.
1390  *
1391  * @note This must be called after all the ENET initialization.
1392  * And should be called when the ENET receive/transmit is required.
1393  */
1394 void ENET_QOS_UpdateRxDescriptor(
1395     enet_qos_rx_bd_struct_t *rxDesc, void *buffer1, void *buffer2, bool intEnable, bool doubleBuffEnable);
1396 
1397 /*!
1398  * @brief Configure flexible rx parser.
1399  *
1400  * This function is used to configure the flexible rx parser table.
1401  *
1402  * @param base  ENET peripheral base address..
1403  * @param rxpConfig The rx parser configuration pointer.
1404  * @param entryCount The rx parser entry count.
1405  * @retval kStatus_Success Configure rx parser success.
1406  * @retval kStatus_ENET_QOS_Timeout Poll status flag timeout.
1407  */
1408 status_t ENET_QOS_ConfigureRxParser(ENET_QOS_Type *base, enet_qos_rxp_config_t *rxpConfig, uint16_t entryCount);
1409 
1410 /*!
1411  * @brief Read flexible rx parser configuration at specified index.
1412  *
1413  * This function is used to read flexible rx parser configuration at specified index.
1414  *
1415  * @param base  ENET peripheral base address..
1416  * @param rxpConfig The rx parser configuration pointer.
1417  * @param entryIndex The rx parser entry index to read, start from 0.
1418  * @retval kStatus_Success Configure rx parser success.
1419  * @retval kStatus_ENET_QOS_Timeout Poll status flag timeout.
1420  */
1421 status_t ENET_QOS_ReadRxParser(ENET_QOS_Type *base, enet_qos_rxp_config_t *rxpConfig, uint16_t entryIndex);
1422 
1423 /*!
1424  * @brief Program Gate Control List.
1425  *
1426  * This function is used to program the Enhanced Scheduled Transmisson. (IEEE802.1Qbv)
1427  *
1428  * @param base  ENET peripheral base address..
1429  * @param gcl Pointer to the Gate Control List structure.
1430  * @param ptpClk_Hz frequency of the PTP clock.
1431  */
1432 status_t ENET_QOS_EstProgramGcl(ENET_QOS_Type *base, enet_qos_est_gcl_t *gcl, uint32_t ptpClk_Hz);
1433 
1434 /*!
1435  * @brief Read Gate Control List.
1436  *
1437  * This function is used to read the Enhanced Scheduled Transmisson list. (IEEE802.1Qbv)
1438  *
1439  * @param base  ENET peripheral base address..
1440  * @param gcl Pointer to the Gate Control List structure.
1441  * @param listLen length of the provided opList array in gcl structure.
1442  * @param hwList Boolean if True read HW list, false read SW list.
1443  */
1444 status_t ENET_QOS_EstReadGcl(ENET_QOS_Type *base, enet_qos_est_gcl_t *gcl, uint32_t listLen, bool hwList);
1445 
1446 /*!
1447  * @brief Enable Frame Preemption.
1448  *
1449  * This function is used to enable frame preemption. (IEEE802.1Qbu)
1450  *
1451  * @param base  ENET peripheral base address..
1452  */
ENET_QOS_FpeEnable(ENET_QOS_Type * base)1453 static inline void ENET_QOS_FpeEnable(ENET_QOS_Type *base)
1454 {
1455     base->MAC_FPE_CTRL_STS |= ENET_QOS_MAC_FPE_CTRL_STS_EFPE_MASK;
1456 }
1457 
1458 /*!
1459  * @brief Disable Frame Preemption.
1460  *
1461  * This function is used to disable frame preemption. (IEEE802.1Qbu)
1462  *
1463  * @param base  ENET peripheral base address..
1464  */
ENET_QOS_FpeDisable(ENET_QOS_Type * base)1465 static inline void ENET_QOS_FpeDisable(ENET_QOS_Type *base)
1466 {
1467     base->MAC_FPE_CTRL_STS &= ~ENET_QOS_MAC_FPE_CTRL_STS_EFPE_MASK;
1468 }
1469 
1470 /*!
1471  * @brief Configure preemptable transmit queues.
1472  *
1473  * This function is used to configure the preemptable queues. (IEEE802.1Qbu)
1474  *
1475  * @param base  ENET peripheral base address..
1476  * @param queueMask  bitmask representing queues to set in preemptable mode.
1477  *                   The N-th bit represents the queue N.
1478  */
ENET_QOS_FpeConfigPreemptable(ENET_QOS_Type * base,uint8_t queueMask)1479 static inline void ENET_QOS_FpeConfigPreemptable(ENET_QOS_Type *base, uint8_t queueMask)
1480 {
1481     uint32_t control;
1482 
1483     control = base->MTL_FPE_CTRL_STS & ~ENET_QOS_MTL_FPE_CTRL_STS_PEC_MASK;
1484     control |= ENET_QOS_MTL_FPE_CTRL_STS_PEC(queueMask);
1485     base->MTL_FPE_CTRL_STS = control;
1486 }
1487 
1488 /*!
1489  * @brief Sets the ENET AVB feature.
1490  *
1491  * ENET_QOS AVB feature configuration, set transmit bandwidth.
1492  * This API is called when the AVB feature is required.
1493  *
1494  * @param base ENET_QOS peripheral base address.
1495  * @param config The ENET_QOS AVB feature configuration structure.
1496  * @param queueIndex ENET_QOS queue index.
1497  */
1498 void ENET_QOS_AVBConfigure(ENET_QOS_Type *base, const enet_qos_cbs_config_t *config, uint8_t queueIndex);
1499 
1500 /*!
1501  * @brief Gets statistical data in transfer.
1502  *
1503  * @param base  ENET_QOS peripheral base address.
1504  * @param statistics The statistics structure pointer.
1505  */
1506 void ENET_QOS_GetStatistics(ENET_QOS_Type *base, enet_qos_transfer_stats_t *statistics);
1507 
1508 /*! @} */
1509 
1510 /*!
1511  * @name Transactional operation
1512  * @{
1513  */
1514 
1515 /*!
1516  * @brief Create ENET Handler
1517  *
1518  * This is a transactional API and it's provided to store all data which are needed
1519  * during the whole transactional process. This API should not be used when you use
1520  * functional APIs to do data tx/rx. This is function will store many data/flag for
1521  * transactional use, so all configure API such as ENET_QOS_Init(), ENET_QOS_DescriptorInit(),
1522  * ENET_QOS_EnableInterrupts() etc.
1523  *
1524  * @note as our transactional transmit API use the zero-copy transmit buffer.
1525  * so there are two thing we emphasize here:
1526  *  1. tx buffer free/requeue for application should be done in the tx
1527  *  interrupt handler. Please set callback: kENET_QOS_TxIntEvent with tx buffer free/requeue
1528  *  process APIs.
1529  *  2. the tx interrupt is forced to open.
1530  *
1531  * @param base  ENET peripheral base address.
1532  * @param handle ENET handler.
1533  * @param config ENET configuration.
1534  * @param bufferConfig ENET buffer configuration.
1535  * @param callback The callback function.
1536  * @param userData The application data.
1537  */
1538 void ENET_QOS_CreateHandler(ENET_QOS_Type *base,
1539                             enet_qos_handle_t *handle,
1540                             enet_qos_config_t *config,
1541                             enet_qos_buffer_config_t *bufferConfig,
1542                             enet_qos_callback_t callback,
1543                             void *userData);
1544 
1545 /*!
1546  * @brief Gets the size of the read frame.
1547  * This function gets a received frame size from the ENET buffer descriptors.
1548  * @note The FCS of the frame is automatically removed by MAC and the size is the length without the FCS.
1549  * After calling @ref ENET_QOS_GetRxFrameSize, @ref ENET_QOS_ReadFrame() should be called to update the
1550  * receive buffers If the result is not "kStatus_ENET_QOS_RxFrameEmpty".
1551  *
1552  * @param base  ENET peripheral base address.
1553  * @param handle The ENET handler structure. This is the same handler pointer used in the ENET_QOS_Init.
1554  * @param length The length of the valid frame received.
1555  * @param channel The DMAC channel for the rx.
1556  * @retval kStatus_ENET_QOS_RxFrameEmpty No frame received. Should not call ENET_QOS_ReadFrame to read frame.
1557  * @retval kStatus_ENET_QOS_RxFrameError Data error happens. @ref ENET_QOS_ReadFrame should be called with NULL data
1558  *         and NULL length to update the receive buffers.
1559  * @retval kStatus_Success Receive a frame Successfully then the @ref ENET_QOS_ReadFrame
1560  *         should be called with the right data buffer and the captured data length input.
1561  */
1562 status_t ENET_QOS_GetRxFrameSize(ENET_QOS_Type *base, enet_qos_handle_t *handle, uint32_t *length, uint8_t channel);
1563 
1564 /*!
1565  * @brief Reads a frame from the ENET device.
1566  * This function reads a frame from the ENET DMA descriptors.
1567  * The ENET_QOS_GetRxFrameSize should be used to get the size of the prepared data buffer.
1568  * For example use rx dma channel 0:
1569  * @code
1570  *       uint32_t length;
1571  *       enet_qos_handle_t g_handle;
1572  *       status = ENET_QOS_GetRxFrameSize(&g_handle, &length, 0);
1573  *       if (length != 0)
1574  *       {
1575  *           uint8_t *data = memory allocate interface;
1576  *           if (!data)
1577  *           {
1578  *               ENET_QOS_ReadFrame(ENET, &g_handle, NULL, 0, 0);
1579  *           }
1580  *           else
1581  *           {
1582  *              status = ENET_QOS_ReadFrame(ENET, &g_handle, data, length, 0);
1583  *           }
1584  *       }
1585  *       else if (status == kStatus_ENET_QOS_RxFrameError)
1586  *       {
1587  *           ENET_QOS_ReadFrame(ENET, &g_handle, NULL, 0, 0);
1588  *       }
1589  * @endcode
1590  * @param base  ENET peripheral base address.
1591  * @param handle The ENET handler structure. This is the same handler pointer used in the ENET_QOS_Init.
1592  * @param data The data buffer provided by user to store the frame which memory size should be at least "length".
1593  * @param length The size of the data buffer which is still the length of the received frame.
1594  * @param channel The rx DMA channel. shall not be larger than 2.
1595  * @param ts     Pointer to the structure @ref enet_qos_ptp_time_t to save frame timestamp.
1596  * @return The execute status, successful or failure.
1597  */
1598 status_t ENET_QOS_ReadFrame(ENET_QOS_Type *base,
1599                             enet_qos_handle_t *handle,
1600                             uint8_t *data,
1601                             uint32_t length,
1602                             uint8_t channel,
1603                             enet_qos_ptp_time_t *ts);
1604 
1605 /*!
1606  * @brief Transmits an ENET frame.
1607  * @note The CRC is automatically appended to the data. Input the data
1608  * to send without the CRC.
1609  *
1610  * @param base  ENET peripheral base address.
1611  * @param handle The ENET handler pointer. This is the same handler pointer used in the ENET_QOS_Init.
1612  * @param data The data buffer provided by user to be send.
1613  * @param length The length of the data to be send.
1614  * @param channel Channel to send the frame, same with queue index.
1615  * @param isNeedTs True to enable timestamp save for the frame
1616  * @param context pointer to user context to be kept in the tx dirty frame information.
1617  * @param txOffloadOps The Tx frame checksum offload option.
1618  * @retval kStatus_Success  Send frame succeed.
1619  * @retval kStatus_ENET_QOS_TxFrameBusy  Transmit buffer descriptor is busy under transmission.
1620  *         The transmit busy happens when the data send rate is over the MAC capacity.
1621  *         The waiting mechanism is recommended to be added after each call return with
1622  *         kStatus_ENET_QOS_TxFrameBusy.
1623  */
1624 status_t ENET_QOS_SendFrame(ENET_QOS_Type *base,
1625                             enet_qos_handle_t *handle,
1626                             uint8_t *data,
1627                             uint32_t length,
1628                             uint8_t channel,
1629                             bool isNeedTs,
1630                             void *context,
1631                             enet_qos_tx_offload_t txOffloadOps);
1632 
1633 /*!
1634  * @brief Reclaim tx descriptors.
1635  *  This function is used to update the tx descriptor status and
1636  *  store the tx timestamp when the 1588 feature is enabled.
1637  *  This is called by the transmit interrupt IRQ handler after the
1638  *  complete of a frame transmission.
1639  *
1640  * @param base    ENET peripheral base address.
1641  * @param handle The ENET handler pointer. This is the same handler pointer used in the ENET_QOS_Init.
1642  * @param channel  The tx DMA channel.
1643  *
1644  */
1645 void ENET_QOS_ReclaimTxDescriptor(ENET_QOS_Type *base, enet_qos_handle_t *handle, uint8_t channel);
1646 
1647 /*!
1648  * @brief The ENET IRQ handler.
1649  *
1650  * @param base  ENET peripheral base address.
1651  * @param handle The ENET handler pointer.
1652  */
1653 void ENET_QOS_CommonIRQHandler(ENET_QOS_Type *base, enet_qos_handle_t *handle);
1654 
1655 /*!
1656  * @brief Set the second level IRQ handler, allow user to overwrite the default
1657  * second level weak IRQ handler.
1658  *
1659  * @param base  ENET peripheral base address.
1660  * @param ISRHandler  The handler to install.
1661  */
1662 void ENET_QOS_SetISRHandler(ENET_QOS_Type *base, enet_qos_isr_t ISRHandler);
1663 
1664 /*! @} */
1665 /*!
1666  * @name ENET Enhanced function operation
1667  * @{
1668  */
1669 
1670 /*!
1671  * @brief Correct the ENET PTP 1588 timer in coarse method.
1672  *
1673  * @param base  ENET peripheral base address.
1674  * @param operation The system time operation, refer to "enet_qos_systime_op"
1675  * @param second The correction second.
1676  * @param nanosecond The correction nanosecond.
1677  */
1678 status_t ENET_QOS_Ptp1588CorrectTimerInCoarse(ENET_QOS_Type *base,
1679                                               enet_qos_systime_op operation,
1680                                               uint32_t second,
1681                                               uint32_t nanosecond);
1682 
1683 /*!
1684  * @brief Correct the ENET PTP 1588 timer in fine method.
1685  *
1686  *
1687  * @param base  ENET peripheral base address.
1688  * @param addend The addend value to be set in the fine method
1689  * @note Should take refer to the chapter "System time correction" and
1690  * see the description for the "fine correction method".
1691  */
1692 status_t ENET_QOS_Ptp1588CorrectTimerInFine(ENET_QOS_Type *base, uint32_t addend);
1693 
1694 /*!
1695  * @brief Get the ENET Time stamp current addend value.
1696  *
1697  * @param base  ENET peripheral base address.
1698  * @return The addend value.
1699  */
ENET_QOS_Ptp1588GetAddend(ENET_QOS_Type * base)1700 static inline uint32_t ENET_QOS_Ptp1588GetAddend(ENET_QOS_Type *base)
1701 {
1702     return base->MAC_TIMESTAMP_ADDEND;
1703 }
1704 
1705 /*!
1706  * @brief Gets the current ENET time from the PTP 1588 timer without IRQ disable.
1707  *
1708  * @param base  ENET peripheral base address.
1709  * @param second The PTP 1588 system timer second.
1710  * @param nanosecond The PTP 1588 system timer nanosecond.
1711  * For the unit of the nanosecond is 1ns. so the nanosecond is the real nanosecond.
1712  */
1713 void ENET_QOS_Ptp1588GetTimerNoIRQDisable(ENET_QOS_Type *base, uint64_t *second, uint32_t *nanosecond);
1714 
1715 /*!
1716  * @brief Sets the ENET PTP 1588 PPS control.
1717  * All channels operate in flexible PPS output mode.
1718  *
1719  * @param base  ENET peripheral base address.
1720  * @param instance The ENET QOS PTP PPS instance.
1721  * @param trgtMode The target time register mode.
1722  * @param cmd The target flexible PPS output control command.
1723  */
ENET_Ptp1588PpsControl(ENET_QOS_Type * base,enet_qos_ptp_pps_instance_t instance,enet_qos_ptp_pps_trgt_mode_t trgtMode,enet_qos_ptp_pps_cmd_t cmd)1724 static inline status_t ENET_Ptp1588PpsControl(ENET_QOS_Type *base,
1725                                               enet_qos_ptp_pps_instance_t instance,
1726                                               enet_qos_ptp_pps_trgt_mode_t trgtMode,
1727                                               enet_qos_ptp_pps_cmd_t cmd)
1728 {
1729     uint32_t reg        = 0UL;
1730     uint8_t shift       = (uint8_t)instance * 8U;
1731     uint32_t pps_config = ENET_QOS_MAC_PPS_CONTROL_TRGTMODSEL0((uint32_t)trgtMode) |
1732                           ENET_QOS_MAC_PPS_CONTROL_PPSCTRL_PPSCMD((uint32_t)cmd);
1733 
1734     reg = base->MAC_PPS_CONTROL;
1735 
1736     /* Make sure CMD field is all zero */
1737     if ((reg & (0xFUL << shift)) != 0UL)
1738     {
1739         return kStatus_ENET_QOS_PpsBusy;
1740     }
1741 
1742     reg &= ~(0xFFUL << shift);
1743     reg |= (pps_config << shift) | ENET_QOS_MAC_PPS_CONTROL_PPSEN0(1U);
1744 
1745     base->MAC_PPS_CONTROL = reg;
1746 
1747     return kStatus_Success;
1748 }
1749 
1750 /*!
1751  * @brief Sets the ENET OQS PTP 1588 PPS target time registers.
1752  *
1753  * @param base  ENET QOS peripheral base address.
1754  * @param instance The ENET QOS PTP PPS instance.
1755  * @param seconds The target seconds.
1756  * @param nanoseconds The target nanoseconds.
1757  */
1758 status_t ENET_QOS_Ptp1588PpsSetTrgtTime(ENET_QOS_Type *base,
1759                                         enet_qos_ptp_pps_instance_t instance,
1760                                         uint32_t seconds,
1761                                         uint32_t nanoseconds);
1762 
1763 /*!
1764  * @brief Sets the ENET OQS PTP 1588 PPS output signal interval
1765  *
1766  * @param base  ENET QOS peripheral base address.
1767  * @param instance The ENET QOS PTP PPS instance.
1768  * @param width Signal Width. It is stored in terms of number of
1769  * units of sub-second increment value. The width value must be
1770  * lesser than interval value.
1771  */
ENET_QOS_Ptp1588PpsSetWidth(ENET_QOS_Type * base,enet_qos_ptp_pps_instance_t instance,uint32_t width)1772 static inline void ENET_QOS_Ptp1588PpsSetWidth(ENET_QOS_Type *base,
1773                                                enet_qos_ptp_pps_instance_t instance,
1774                                                uint32_t width)
1775 {
1776     uint32_t *mac_pps_width;
1777 
1778     mac_pps_width = (uint32_t *)((uintptr_t)&base->MAC_PPS0_WIDTH + 0x10U * (uint32_t)instance);
1779 
1780     *mac_pps_width = ENET_QOS_MAC_PPS0_WIDTH_PPSWIDTH0(width);
1781 }
1782 
1783 /*!
1784  * @brief Sets the ENET OQS PTP 1588 PPS output signal width
1785  *
1786  * @param base  ENET QOS peripheral base address.
1787  * @param instance The ENET QOS PTP PPS instance.
1788  * @param interval Signal Interval. It is stored in terms of number of
1789  * units of sub-second increment value.
1790  */
ENET_QOS_Ptp1588PpsSetInterval(ENET_QOS_Type * base,enet_qos_ptp_pps_instance_t instance,uint32_t interval)1791 static inline void ENET_QOS_Ptp1588PpsSetInterval(ENET_QOS_Type *base,
1792                                                   enet_qos_ptp_pps_instance_t instance,
1793                                                   uint32_t interval)
1794 {
1795     uint32_t *mac_pps_interval;
1796 
1797     mac_pps_interval = (uint32_t *)((uintptr_t)&base->MAC_PPS0_INTERVAL + 0x10U * (uint32_t)instance);
1798 
1799     *mac_pps_interval = ENET_QOS_MAC_PPS0_INTERVAL_PPSINT0(interval);
1800 }
1801 
1802 /*!
1803  * @brief Gets the current ENET time from the PTP 1588 timer.
1804  *
1805  * @param base  ENET peripheral base address.
1806  * @param second The PTP 1588 system timer second.
1807  * @param nanosecond The PTP 1588 system timer nanosecond.
1808  * For the unit of the nanosecond is 1ns.so the nanosecond is the real nanosecond.
1809  */
1810 void ENET_QOS_Ptp1588GetTimer(ENET_QOS_Type *base, uint64_t *second, uint32_t *nanosecond);
1811 
1812 /*!
1813  * @brief Gets the time stamp of the transmit frame.
1814  *
1815  * This function is used for PTP stack to get the timestamp captured by the ENET driver.
1816  *
1817  * @param handle The ENET handler pointer.This is the same state pointer used in
1818  *        ENET_QOS_Init.
1819  * @param txFrame Input parameter, pointer to @ref enet_qos_frame_info_t for saving read out frame information.
1820  * @param channel Channel for searching the tx frame.
1821  */
1822 void ENET_QOS_GetTxFrame(enet_qos_handle_t *handle, enet_qos_frame_info_t *txFrame, uint8_t channel);
1823 
1824 /*!
1825  * @brief Receives one frame in specified BD ring with zero copy.
1826  *
1827  * This function will use the user-defined allocate and free callback. Every time application gets one frame through
1828  * this function, driver will allocate new buffers for the BDs whose buffers have been taken by application.
1829  * @note This function will drop current frame and update related BDs as available for DMA if new buffers allocating
1830  * fails. Application must provide a memory pool including at least BD number + 1 buffers(+2 if enable double buffer)
1831  * to make this function work normally. If user calls this function in Rx interrupt handler, be careful that this
1832  * function makes Rx BD ready with allocating new buffer(normal) or updating current BD(out of memory). If there's
1833  * always new Rx frame input, Rx interrupt will be triggered forever. Application need to disable Rx interrupt according
1834  * to specific design in this case.
1835  *
1836  * @param base   ENET peripheral base address.
1837  * @param handle The ENET handler pointer. This is the same handler pointer used in the ENET_Init.
1838  * @param rxFrame The received frame information structure provided by user.
1839  * @param channel Channel for searching the rx frame.
1840  * @retval kStatus_Success  Succeed to get one frame and allocate new memory for Rx buffer.
1841  * @retval kStatus_ENET_QOS_RxFrameEmpty  There's no Rx frame in the BD.
1842  * @retval kStatus_ENET_QOS_RxFrameError  There's issue in this receiving.
1843  * @retval kStatus_ENET_QOS_RxFrameDrop  There's no new buffer memory for BD, drop this frame.
1844  */
1845 status_t ENET_QOS_GetRxFrame(ENET_QOS_Type *base,
1846                              enet_qos_handle_t *handle,
1847                              enet_qos_rx_frame_struct_t *rxFrame,
1848                              uint8_t channel);
1849 
1850 /*! @} */
1851 
1852 #if defined(__cplusplus)
1853 }
1854 #endif
1855 
1856 /*! @}*/
1857 
1858 #endif /* FSL_ENET_QOS_H_ */
1859