txrx.h 16 KB

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  1. /*
  2. * Copyright (c) 2012-2014 Qualcomm Atheros, Inc.
  3. *
  4. * Permission to use, copy, modify, and/or distribute this software for any
  5. * purpose with or without fee is hereby granted, provided that the above
  6. * copyright notice and this permission notice appear in all copies.
  7. *
  8. * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  9. * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  10. * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  11. * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  12. * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  13. * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  14. * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  15. */
  16. #ifndef WIL6210_TXRX_H
  17. #define WIL6210_TXRX_H
  18. #define BUF_SW_OWNED (1)
  19. #define BUF_HW_OWNED (0)
  20. /* default size of MAC Tx/Rx buffers */
  21. #define TXRX_BUF_LEN_DEFAULT (2048)
  22. /* how many bytes to reserve for rtap header? */
  23. #define WIL6210_RTAP_SIZE (128)
  24. /* Tx/Rx path */
  25. /* Common representation of physical address in Vring */
  26. struct vring_dma_addr {
  27. __le32 addr_low;
  28. __le16 addr_high;
  29. } __packed;
  30. static inline dma_addr_t wil_desc_addr(struct vring_dma_addr *addr)
  31. {
  32. return le32_to_cpu(addr->addr_low) |
  33. ((u64)le16_to_cpu(addr->addr_high) << 32);
  34. }
  35. static inline void wil_desc_addr_set(struct vring_dma_addr *addr,
  36. dma_addr_t pa)
  37. {
  38. addr->addr_low = cpu_to_le32(lower_32_bits(pa));
  39. addr->addr_high = cpu_to_le16((u16)upper_32_bits(pa));
  40. }
  41. /* Tx descriptor - MAC part
  42. * [dword 0]
  43. * bit 0.. 9 : lifetime_expiry_value:10
  44. * bit 10 : interrupt_en:1
  45. * bit 11 : status_en:1
  46. * bit 12..13 : txss_override:2
  47. * bit 14 : timestamp_insertion:1
  48. * bit 15 : duration_preserve:1
  49. * bit 16..21 : reserved0:6
  50. * bit 22..26 : mcs_index:5
  51. * bit 27 : mcs_en:1
  52. * bit 28..30 : reserved1:3
  53. * bit 31 : sn_preserved:1
  54. * [dword 1]
  55. * bit 0.. 3 : pkt_mode:4
  56. * bit 4 : pkt_mode_en:1
  57. * bit 5..14 : reserved0:10
  58. * bit 15 : ack_policy_en:1
  59. * bit 16..19 : dst_index:4
  60. * bit 20 : dst_index_en:1
  61. * bit 21..22 : ack_policy:2
  62. * bit 23 : lifetime_en:1
  63. * bit 24..30 : max_retry:7
  64. * bit 31 : max_retry_en:1
  65. * [dword 2]
  66. * bit 0.. 7 : num_of_descriptors:8
  67. * bit 8..17 : reserved:10
  68. * bit 18..19 : l2_translation_type:2 00 - bypass, 01 - 802.3, 10 - 802.11
  69. * bit 20 : snap_hdr_insertion_en:1
  70. * bit 21 : vlan_removal_en:1
  71. * bit 22..31 : reserved0:10
  72. * [dword 3]
  73. * bit 0.. 31: ucode_cmd:32
  74. */
  75. struct vring_tx_mac {
  76. u32 d[3];
  77. u32 ucode_cmd;
  78. } __packed;
  79. /* TX MAC Dword 0 */
  80. #define MAC_CFG_DESC_TX_0_LIFETIME_EXPIRY_VALUE_POS 0
  81. #define MAC_CFG_DESC_TX_0_LIFETIME_EXPIRY_VALUE_LEN 10
  82. #define MAC_CFG_DESC_TX_0_LIFETIME_EXPIRY_VALUE_MSK 0x3FF
  83. #define MAC_CFG_DESC_TX_0_INTERRUP_EN_POS 10
  84. #define MAC_CFG_DESC_TX_0_INTERRUP_EN_LEN 1
  85. #define MAC_CFG_DESC_TX_0_INTERRUP_EN_MSK 0x400
  86. #define MAC_CFG_DESC_TX_0_STATUS_EN_POS 11
  87. #define MAC_CFG_DESC_TX_0_STATUS_EN_LEN 1
  88. #define MAC_CFG_DESC_TX_0_STATUS_EN_MSK 0x800
  89. #define MAC_CFG_DESC_TX_0_TXSS_OVERRIDE_POS 12
  90. #define MAC_CFG_DESC_TX_0_TXSS_OVERRIDE_LEN 2
  91. #define MAC_CFG_DESC_TX_0_TXSS_OVERRIDE_MSK 0x3000
  92. #define MAC_CFG_DESC_TX_0_TIMESTAMP_INSERTION_POS 14
  93. #define MAC_CFG_DESC_TX_0_TIMESTAMP_INSERTION_LEN 1
  94. #define MAC_CFG_DESC_TX_0_TIMESTAMP_INSERTION_MSK 0x4000
  95. #define MAC_CFG_DESC_TX_0_DURATION_PRESERVE_POS 15
  96. #define MAC_CFG_DESC_TX_0_DURATION_PRESERVE_LEN 1
  97. #define MAC_CFG_DESC_TX_0_DURATION_PRESERVE_MSK 0x8000
  98. #define MAC_CFG_DESC_TX_0_MCS_INDEX_POS 22
  99. #define MAC_CFG_DESC_TX_0_MCS_INDEX_LEN 5
  100. #define MAC_CFG_DESC_TX_0_MCS_INDEX_MSK 0x7C00000
  101. #define MAC_CFG_DESC_TX_0_MCS_EN_POS 27
  102. #define MAC_CFG_DESC_TX_0_MCS_EN_LEN 1
  103. #define MAC_CFG_DESC_TX_0_MCS_EN_MSK 0x8000000
  104. #define MAC_CFG_DESC_TX_0_SN_PRESERVED_POS 31
  105. #define MAC_CFG_DESC_TX_0_SN_PRESERVED_LEN 1
  106. #define MAC_CFG_DESC_TX_0_SN_PRESERVED_MSK 0x80000000
  107. /* TX MAC Dword 1 */
  108. #define MAC_CFG_DESC_TX_1_PKT_MODE_POS 0
  109. #define MAC_CFG_DESC_TX_1_PKT_MODE_LEN 4
  110. #define MAC_CFG_DESC_TX_1_PKT_MODE_MSK 0xF
  111. #define MAC_CFG_DESC_TX_1_PKT_MODE_EN_POS 4
  112. #define MAC_CFG_DESC_TX_1_PKT_MODE_EN_LEN 1
  113. #define MAC_CFG_DESC_TX_1_PKT_MODE_EN_MSK 0x10
  114. #define MAC_CFG_DESC_TX_1_ACK_POLICY_EN_POS 15
  115. #define MAC_CFG_DESC_TX_1_ACK_POLICY_EN_LEN 1
  116. #define MAC_CFG_DESC_TX_1_ACK_POLICY_EN_MSK 0x8000
  117. #define MAC_CFG_DESC_TX_1_DST_INDEX_POS 16
  118. #define MAC_CFG_DESC_TX_1_DST_INDEX_LEN 4
  119. #define MAC_CFG_DESC_TX_1_DST_INDEX_MSK 0xF0000
  120. #define MAC_CFG_DESC_TX_1_DST_INDEX_EN_POS 20
  121. #define MAC_CFG_DESC_TX_1_DST_INDEX_EN_LEN 1
  122. #define MAC_CFG_DESC_TX_1_DST_INDEX_EN_MSK 0x100000
  123. #define MAC_CFG_DESC_TX_1_ACK_POLICY_POS 21
  124. #define MAC_CFG_DESC_TX_1_ACK_POLICY_LEN 2
  125. #define MAC_CFG_DESC_TX_1_ACK_POLICY_MSK 0x600000
  126. #define MAC_CFG_DESC_TX_1_LIFETIME_EN_POS 23
  127. #define MAC_CFG_DESC_TX_1_LIFETIME_EN_LEN 1
  128. #define MAC_CFG_DESC_TX_1_LIFETIME_EN_MSK 0x800000
  129. #define MAC_CFG_DESC_TX_1_MAX_RETRY_POS 24
  130. #define MAC_CFG_DESC_TX_1_MAX_RETRY_LEN 7
  131. #define MAC_CFG_DESC_TX_1_MAX_RETRY_MSK 0x7F000000
  132. #define MAC_CFG_DESC_TX_1_MAX_RETRY_EN_POS 31
  133. #define MAC_CFG_DESC_TX_1_MAX_RETRY_EN_LEN 1
  134. #define MAC_CFG_DESC_TX_1_MAX_RETRY_EN_MSK 0x80000000
  135. /* TX MAC Dword 2 */
  136. #define MAC_CFG_DESC_TX_2_NUM_OF_DESCRIPTORS_POS 0
  137. #define MAC_CFG_DESC_TX_2_NUM_OF_DESCRIPTORS_LEN 8
  138. #define MAC_CFG_DESC_TX_2_NUM_OF_DESCRIPTORS_MSK 0xFF
  139. #define MAC_CFG_DESC_TX_2_RESERVED_POS 8
  140. #define MAC_CFG_DESC_TX_2_RESERVED_LEN 10
  141. #define MAC_CFG_DESC_TX_2_RESERVED_MSK 0x3FF00
  142. #define MAC_CFG_DESC_TX_2_L2_TRANSLATION_TYPE_POS 18
  143. #define MAC_CFG_DESC_TX_2_L2_TRANSLATION_TYPE_LEN 2
  144. #define MAC_CFG_DESC_TX_2_L2_TRANSLATION_TYPE_MSK 0xC0000
  145. #define MAC_CFG_DESC_TX_2_SNAP_HDR_INSERTION_EN_POS 20
  146. #define MAC_CFG_DESC_TX_2_SNAP_HDR_INSERTION_EN_LEN 1
  147. #define MAC_CFG_DESC_TX_2_SNAP_HDR_INSERTION_EN_MSK 0x100000
  148. #define MAC_CFG_DESC_TX_2_VLAN_REMOVAL_EN_POS 21
  149. #define MAC_CFG_DESC_TX_2_VLAN_REMOVAL_EN_LEN 1
  150. #define MAC_CFG_DESC_TX_2_VLAN_REMOVAL_EN_MSK 0x200000
  151. /* TX MAC Dword 3 */
  152. #define MAC_CFG_DESC_TX_3_UCODE_CMD_POS 0
  153. #define MAC_CFG_DESC_TX_3_UCODE_CMD_LEN 32
  154. #define MAC_CFG_DESC_TX_3_UCODE_CMD_MSK 0xFFFFFFFF
  155. /* TX DMA Dword 0 */
  156. #define DMA_CFG_DESC_TX_0_L4_LENGTH_POS 0
  157. #define DMA_CFG_DESC_TX_0_L4_LENGTH_LEN 8
  158. #define DMA_CFG_DESC_TX_0_L4_LENGTH_MSK 0xFF
  159. #define DMA_CFG_DESC_TX_0_CMD_EOP_POS 8
  160. #define DMA_CFG_DESC_TX_0_CMD_EOP_LEN 1
  161. #define DMA_CFG_DESC_TX_0_CMD_EOP_MSK 0x100
  162. #define DMA_CFG_DESC_TX_0_CMD_MARK_WB_POS 9
  163. #define DMA_CFG_DESC_TX_0_CMD_MARK_WB_LEN 1
  164. #define DMA_CFG_DESC_TX_0_CMD_MARK_WB_MSK 0x200
  165. #define DMA_CFG_DESC_TX_0_CMD_DMA_IT_POS 10
  166. #define DMA_CFG_DESC_TX_0_CMD_DMA_IT_LEN 1
  167. #define DMA_CFG_DESC_TX_0_CMD_DMA_IT_MSK 0x400
  168. #define DMA_CFG_DESC_TX_0_SEGMENT_BUF_DETAILS_POS 11
  169. #define DMA_CFG_DESC_TX_0_SEGMENT_BUF_DETAILS_LEN 2
  170. #define DMA_CFG_DESC_TX_0_SEGMENT_BUF_DETAILS_MSK 0x1800
  171. #define DMA_CFG_DESC_TX_0_TCP_SEG_EN_POS 13
  172. #define DMA_CFG_DESC_TX_0_TCP_SEG_EN_LEN 1
  173. #define DMA_CFG_DESC_TX_0_TCP_SEG_EN_MSK 0x2000
  174. #define DMA_CFG_DESC_TX_0_IPV4_CHECKSUM_EN_POS 14
  175. #define DMA_CFG_DESC_TX_0_IPV4_CHECKSUM_EN_LEN 1
  176. #define DMA_CFG_DESC_TX_0_IPV4_CHECKSUM_EN_MSK 0x4000
  177. #define DMA_CFG_DESC_TX_0_TCP_UDP_CHECKSUM_EN_POS 15
  178. #define DMA_CFG_DESC_TX_0_TCP_UDP_CHECKSUM_EN_LEN 1
  179. #define DMA_CFG_DESC_TX_0_TCP_UDP_CHECKSUM_EN_MSK 0x8000
  180. #define DMA_CFG_DESC_TX_0_QID_POS 16
  181. #define DMA_CFG_DESC_TX_0_QID_LEN 5
  182. #define DMA_CFG_DESC_TX_0_QID_MSK 0x1F0000
  183. #define DMA_CFG_DESC_TX_0_PSEUDO_HEADER_CALC_EN_POS 21
  184. #define DMA_CFG_DESC_TX_0_PSEUDO_HEADER_CALC_EN_LEN 1
  185. #define DMA_CFG_DESC_TX_0_PSEUDO_HEADER_CALC_EN_MSK 0x200000
  186. #define DMA_CFG_DESC_TX_0_L4_TYPE_POS 30
  187. #define DMA_CFG_DESC_TX_0_L4_TYPE_LEN 2
  188. #define DMA_CFG_DESC_TX_0_L4_TYPE_MSK 0xC0000000 /* L4 type: 0-UDP, 2-TCP */
  189. #define DMA_CFG_DESC_TX_OFFLOAD_CFG_MAC_LEN_POS 0
  190. #define DMA_CFG_DESC_TX_OFFLOAD_CFG_MAC_LEN_LEN 7
  191. #define DMA_CFG_DESC_TX_OFFLOAD_CFG_MAC_LEN_MSK 0x7F /* MAC hdr len */
  192. #define DMA_CFG_DESC_TX_OFFLOAD_CFG_L3T_IPV4_POS 7
  193. #define DMA_CFG_DESC_TX_OFFLOAD_CFG_L3T_IPV4_LEN 1
  194. #define DMA_CFG_DESC_TX_OFFLOAD_CFG_L3T_IPV4_MSK 0x80 /* 1-IPv4, 0-IPv6 */
  195. #define TX_DMA_STATUS_DU BIT(0)
  196. /* Tx descriptor - DMA part
  197. * [dword 0]
  198. * bit 0.. 7 : l4_length:8 layer 4 length
  199. * bit 8 : cmd_eop:1 This descriptor is the last one in the packet
  200. * bit 9 : reserved
  201. * bit 10 : cmd_dma_it:1 immediate interrupt
  202. * bit 11..12 : SBD - Segment Buffer Details
  203. * 00 - Header Segment
  204. * 01 - First Data Segment
  205. * 10 - Medium Data Segment
  206. * 11 - Last Data Segment
  207. * bit 13 : TSE - TCP Segmentation Enable
  208. * bit 14 : IIC - Directs the HW to Insert IPv4 Checksum
  209. * bit 15 : ITC - Directs the HW to Insert TCP/UDP Checksum
  210. * bit 16..20 : QID - The target QID that the packet should be stored
  211. * in the MAC.
  212. * bit 21 : PO - Pseudo header Offload:
  213. * 0 - Use the pseudo header value from the TCP checksum field
  214. * 1- Calculate Pseudo header Checksum
  215. * bit 22 : NC - No UDP Checksum
  216. * bit 23..29 : reserved
  217. * bit 30..31 : L4T - Layer 4 Type: 00 - UDP , 10 - TCP , 10, 11 - Reserved
  218. * If L4Len equal 0, no L4 at all
  219. * [dword 1]
  220. * bit 0..31 : addr_low:32 The payload buffer low address
  221. * [dword 2]
  222. * bit 0..15 : addr_high:16 The payload buffer high address
  223. * bit 16..23 : ip_length:8 The IP header length for the TX IP checksum
  224. * offload feature
  225. * bit 24..30 : mac_length:7
  226. * bit 31 : ip_version:1 1 - IPv4, 0 - IPv6
  227. * [dword 3]
  228. * [byte 12] error
  229. * bit 0 2 : mac_status:3
  230. * bit 3 7 : reserved:5
  231. * [byte 13] status
  232. * bit 0 : DU:1 Descriptor Used
  233. * bit 1 7 : reserved:7
  234. * [word 7] length
  235. */
  236. struct vring_tx_dma {
  237. u32 d0;
  238. struct vring_dma_addr addr;
  239. u8 ip_length;
  240. u8 b11; /* 0..6: mac_length; 7:ip_version */
  241. u8 error; /* 0..2: err; 3..7: reserved; */
  242. u8 status; /* 0: used; 1..7; reserved */
  243. __le16 length;
  244. } __packed;
  245. /* TSO type used in dma descriptor d0 bits 11-12 */
  246. enum {
  247. wil_tso_type_hdr = 0,
  248. wil_tso_type_first = 1,
  249. wil_tso_type_mid = 2,
  250. wil_tso_type_lst = 3,
  251. };
  252. /* Rx descriptor - MAC part
  253. * [dword 0]
  254. * bit 0.. 3 : tid:4 The QoS (b3-0) TID Field
  255. * bit 4.. 6 : cid:3 The Source index that was found during parsing the TA.
  256. * This field is used to define the source of the packet
  257. * bit 7 : reserved:1
  258. * bit 8.. 9 : mid:2 The MAC virtual number
  259. * bit 10..11 : frame_type:2 : The FC (b3-2) - MPDU Type
  260. * (management, data, control and extension)
  261. * bit 12..15 : frame_subtype:4 : The FC (b7-4) - Frame Subtype
  262. * bit 16..27 : seq_number:12 The received Sequence number field
  263. * bit 28..31 : extended:4 extended subtype
  264. * [dword 1]
  265. * bit 0.. 3 : reserved
  266. * bit 4.. 5 : key_id:2
  267. * bit 6 : decrypt_bypass:1
  268. * bit 7 : security:1 FC (b14)
  269. * bit 8.. 9 : ds_bits:2 FC (b9-8)
  270. * bit 10 : a_msdu_present:1 QoS (b7)
  271. * bit 11 : a_msdu_type:1 QoS (b8)
  272. * bit 12 : a_mpdu:1 part of AMPDU aggregation
  273. * bit 13 : broadcast:1
  274. * bit 14 : mutlicast:1
  275. * bit 15 : reserved:1
  276. * bit 16..20 : rx_mac_qid:5 The Queue Identifier that the packet
  277. * is received from
  278. * bit 21..24 : mcs:4
  279. * bit 25..28 : mic_icr:4 this signal tells the DMA to assert an interrupt
  280. * after it writes the packet
  281. * bit 29..31 : reserved:3
  282. * [dword 2]
  283. * bit 0.. 2 : time_slot:3 The timeslot that the MPDU is received
  284. * bit 3.. 4 : fc_protocol_ver:1 The FC (b1-0) - Protocol Version
  285. * bit 5 : fc_order:1 The FC Control (b15) -Order
  286. * bit 6.. 7 : qos_ack_policy:2 The QoS (b6-5) ack policy Field
  287. * bit 8 : esop:1 The QoS (b4) ESOP field
  288. * bit 9 : qos_rdg_more_ppdu:1 The QoS (b9) RDG field
  289. * bit 10..14 : qos_reserved:5 The QoS (b14-10) Reserved field
  290. * bit 15 : qos_ac_constraint:1 QoS (b15)
  291. * bit 16..31 : pn_15_0:16 low 2 bytes of PN
  292. * [dword 3]
  293. * bit 0..31 : pn_47_16:32 high 4 bytes of PN
  294. */
  295. struct vring_rx_mac {
  296. u32 d0;
  297. u32 d1;
  298. u16 w4;
  299. u16 pn_15_0;
  300. u32 pn_47_16;
  301. } __packed;
  302. /* Rx descriptor - DMA part
  303. * [dword 0]
  304. * bit 0.. 7 : l4_length:8 layer 4 length. The field is only valid if
  305. * L4I bit is set
  306. * bit 8 : cmd_eop:1 set to 1
  307. * bit 9 : cmd_rt:1 set to 1
  308. * bit 10 : cmd_dma_it:1 immediate interrupt
  309. * bit 11..15 : reserved:5
  310. * bit 16..29 : phy_info_length:14 It is valid when the PII is set.
  311. * When the FFM bit is set bits 29-27 are used for for
  312. * Flex Filter Match. Matching Index to one of the L2
  313. * EtherType Flex Filter
  314. * bit 30..31 : l4_type:2 valid if the L4I bit is set in the status field
  315. * 00 - UDP, 01 - TCP, 10, 11 - reserved
  316. * [dword 1]
  317. * bit 0..31 : addr_low:32 The payload buffer low address
  318. * [dword 2]
  319. * bit 0..15 : addr_high:16 The payload buffer high address
  320. * bit 16..23 : ip_length:8 The filed is valid only if the L3I bit is set
  321. * bit 24..30 : mac_length:7
  322. * bit 31 : ip_version:1 1 - IPv4, 0 - IPv6
  323. * [dword 3]
  324. * [byte 12] error
  325. * bit 0 : FCS:1
  326. * bit 1 : MIC:1
  327. * bit 2 : Key miss:1
  328. * bit 3 : Replay:1
  329. * bit 4 : L3:1 IPv4 checksum
  330. * bit 5 : L4:1 TCP/UDP checksum
  331. * bit 6 7 : reserved:2
  332. * [byte 13] status
  333. * bit 0 : DU:1 Descriptor Used
  334. * bit 1 : EOP:1 The descriptor indicates the End of Packet
  335. * bit 2 : error:1
  336. * bit 3 : MI:1 MAC Interrupt is asserted (according to parser decision)
  337. * bit 4 : L3I:1 L3 identified and checksum calculated
  338. * bit 5 : L4I:1 L4 identified and checksum calculated
  339. * bit 6 : PII:1 PHY Info Included in the packet
  340. * bit 7 : FFM:1 EtherType Flex Filter Match
  341. * [word 7] length
  342. */
  343. #define RX_DMA_D0_CMD_DMA_EOP BIT(8)
  344. #define RX_DMA_D0_CMD_DMA_RT BIT(9) /* always 1 */
  345. #define RX_DMA_D0_CMD_DMA_IT BIT(10) /* interrupt */
  346. /* Error field */
  347. #define RX_DMA_ERROR_FCS BIT(0)
  348. #define RX_DMA_ERROR_MIC BIT(1)
  349. #define RX_DMA_ERROR_KEY BIT(2) /* Key missing */
  350. #define RX_DMA_ERROR_REPLAY BIT(3)
  351. #define RX_DMA_ERROR_L3_ERR BIT(4)
  352. #define RX_DMA_ERROR_L4_ERR BIT(5)
  353. /* Status field */
  354. #define RX_DMA_STATUS_DU BIT(0)
  355. #define RX_DMA_STATUS_EOP BIT(1)
  356. #define RX_DMA_STATUS_ERROR BIT(2)
  357. #define RX_DMA_STATUS_MI BIT(3) /* MAC Interrupt is asserted */
  358. #define RX_DMA_STATUS_L3I BIT(4)
  359. #define RX_DMA_STATUS_L4I BIT(5)
  360. #define RX_DMA_STATUS_PHY_INFO BIT(6)
  361. #define RX_DMA_STATUS_FFM BIT(7) /* EtherType Flex Filter Match */
  362. struct vring_rx_dma {
  363. u32 d0;
  364. struct vring_dma_addr addr;
  365. u8 ip_length;
  366. u8 b11;
  367. u8 error;
  368. u8 status;
  369. __le16 length;
  370. } __packed;
  371. struct vring_tx_desc {
  372. struct vring_tx_mac mac;
  373. struct vring_tx_dma dma;
  374. } __packed;
  375. struct vring_rx_desc {
  376. struct vring_rx_mac mac;
  377. struct vring_rx_dma dma;
  378. } __packed;
  379. union vring_desc {
  380. struct vring_tx_desc tx;
  381. struct vring_rx_desc rx;
  382. } __packed;
  383. static inline int wil_rxdesc_tid(struct vring_rx_desc *d)
  384. {
  385. return WIL_GET_BITS(d->mac.d0, 0, 3);
  386. }
  387. static inline int wil_rxdesc_cid(struct vring_rx_desc *d)
  388. {
  389. return WIL_GET_BITS(d->mac.d0, 4, 6);
  390. }
  391. static inline int wil_rxdesc_mid(struct vring_rx_desc *d)
  392. {
  393. return WIL_GET_BITS(d->mac.d0, 8, 9);
  394. }
  395. static inline int wil_rxdesc_ftype(struct vring_rx_desc *d)
  396. {
  397. return WIL_GET_BITS(d->mac.d0, 10, 11);
  398. }
  399. static inline int wil_rxdesc_subtype(struct vring_rx_desc *d)
  400. {
  401. return WIL_GET_BITS(d->mac.d0, 12, 15);
  402. }
  403. /* 1-st byte (with frame type/subtype) of FC field */
  404. static inline u8 wil_rxdesc_fc1(struct vring_rx_desc *d)
  405. {
  406. return (u8)(WIL_GET_BITS(d->mac.d0, 10, 15) << 2);
  407. }
  408. static inline int wil_rxdesc_seq(struct vring_rx_desc *d)
  409. {
  410. return WIL_GET_BITS(d->mac.d0, 16, 27);
  411. }
  412. static inline int wil_rxdesc_ext_subtype(struct vring_rx_desc *d)
  413. {
  414. return WIL_GET_BITS(d->mac.d0, 28, 31);
  415. }
  416. static inline int wil_rxdesc_ds_bits(struct vring_rx_desc *d)
  417. {
  418. return WIL_GET_BITS(d->mac.d1, 8, 9);
  419. }
  420. static inline int wil_rxdesc_mcs(struct vring_rx_desc *d)
  421. {
  422. return WIL_GET_BITS(d->mac.d1, 21, 24);
  423. }
  424. static inline int wil_rxdesc_mcast(struct vring_rx_desc *d)
  425. {
  426. return WIL_GET_BITS(d->mac.d1, 13, 14);
  427. }
  428. static inline int wil_rxdesc_phy_length(struct vring_rx_desc *d)
  429. {
  430. return WIL_GET_BITS(d->dma.d0, 16, 29);
  431. }
  432. static inline struct vring_rx_desc *wil_skb_rxdesc(struct sk_buff *skb)
  433. {
  434. return (void *)skb->cb;
  435. }
  436. void wil_netif_rx_any(struct sk_buff *skb, struct net_device *ndev);
  437. void wil_rx_reorder(struct wil6210_priv *wil, struct sk_buff *skb);
  438. void wil_rx_bar(struct wil6210_priv *wil, u8 cid, u8 tid, u16 seq);
  439. struct wil_tid_ampdu_rx *wil_tid_ampdu_rx_alloc(struct wil6210_priv *wil,
  440. int size, u16 ssn);
  441. void wil_tid_ampdu_rx_free(struct wil6210_priv *wil,
  442. struct wil_tid_ampdu_rx *r);
  443. #endif /* WIL6210_TXRX_H */