1 // SPDX-License-Identifier: BSD-3-Clause-Clear
3 * Copyright (c) 2018-2021 The Linux Foundation. All rights reserved.
4 * Copyright (c) 2021-2024 Qualcomm Innovation Center, Inc. All rights reserved.
7 #include <crypto/hash.h>
17 static void ath12k_dp_htt_htc_tx_complete(struct ath12k_base *ab,
20 dev_kfree_skb_any(skb);
23 void ath12k_dp_peer_cleanup(struct ath12k *ar, int vdev_id, const u8 *addr)
25 struct ath12k_base *ab = ar->ab;
26 struct ath12k_peer *peer;
28 /* TODO: Any other peer specific DP cleanup */
30 spin_lock_bh(&ab->base_lock);
31 peer = ath12k_peer_find(ab, vdev_id, addr);
33 ath12k_warn(ab, "failed to lookup peer %pM on vdev %d\n",
35 spin_unlock_bh(&ab->base_lock);
39 ath12k_dp_rx_peer_tid_cleanup(ar, peer);
40 crypto_free_shash(peer->tfm_mmic);
41 peer->dp_setup_done = false;
42 spin_unlock_bh(&ab->base_lock);
45 int ath12k_dp_peer_setup(struct ath12k *ar, int vdev_id, const u8 *addr)
47 struct ath12k_base *ab = ar->ab;
48 struct ath12k_peer *peer;
52 /* NOTE: reo_dest ring id starts from 1 unlike mac_id which starts from 0 */
53 reo_dest = ar->dp.mac_id + 1;
54 ret = ath12k_wmi_set_peer_param(ar, addr, vdev_id,
55 WMI_PEER_SET_DEFAULT_ROUTING,
56 DP_RX_HASH_ENABLE | (reo_dest << 1));
59 ath12k_warn(ab, "failed to set default routing %d peer :%pM vdev_id :%d\n",
64 for (tid = 0; tid <= IEEE80211_NUM_TIDS; tid++) {
65 ret = ath12k_dp_rx_peer_tid_setup(ar, addr, vdev_id, tid, 1, 0,
68 ath12k_warn(ab, "failed to setup rxd tid queue for tid %d: %d\n",
74 ret = ath12k_dp_rx_peer_frag_setup(ar, addr, vdev_id);
76 ath12k_warn(ab, "failed to setup rx defrag context\n");
80 /* TODO: Setup other peer specific resource used in data path */
85 spin_lock_bh(&ab->base_lock);
87 peer = ath12k_peer_find(ab, vdev_id, addr);
89 ath12k_warn(ab, "failed to find the peer to del rx tid\n");
90 spin_unlock_bh(&ab->base_lock);
94 for (; tid >= 0; tid--)
95 ath12k_dp_rx_peer_tid_delete(ar, peer, tid);
97 spin_unlock_bh(&ab->base_lock);
102 void ath12k_dp_srng_cleanup(struct ath12k_base *ab, struct dp_srng *ring)
104 if (!ring->vaddr_unaligned)
107 dma_free_coherent(ab->dev, ring->size, ring->vaddr_unaligned,
108 ring->paddr_unaligned);
110 ring->vaddr_unaligned = NULL;
113 static int ath12k_dp_srng_find_ring_in_mask(int ring_num, const u8 *grp_mask)
116 u8 mask = 1 << ring_num;
118 for (ext_group_num = 0; ext_group_num < ATH12K_EXT_IRQ_GRP_NUM_MAX;
120 if (mask & grp_mask[ext_group_num])
121 return ext_group_num;
127 static int ath12k_dp_srng_calculate_msi_group(struct ath12k_base *ab,
128 enum hal_ring_type type, int ring_num)
133 case HAL_WBM2SW_RELEASE:
134 if (ring_num == HAL_WBM2SW_REL_ERR_RING_NUM) {
135 grp_mask = &ab->hw_params->ring_mask->rx_wbm_rel[0];
138 grp_mask = &ab->hw_params->ring_mask->tx[0];
141 case HAL_REO_EXCEPTION:
142 grp_mask = &ab->hw_params->ring_mask->rx_err[0];
145 grp_mask = &ab->hw_params->ring_mask->rx[0];
148 grp_mask = &ab->hw_params->ring_mask->reo_status[0];
150 case HAL_RXDMA_MONITOR_STATUS:
151 case HAL_RXDMA_MONITOR_DST:
152 grp_mask = &ab->hw_params->ring_mask->rx_mon_dest[0];
154 case HAL_TX_MONITOR_DST:
155 grp_mask = &ab->hw_params->ring_mask->tx_mon_dest[0];
158 grp_mask = &ab->hw_params->ring_mask->host2rxdma[0];
160 case HAL_RXDMA_MONITOR_BUF:
164 case HAL_SW2WBM_RELEASE:
165 case HAL_WBM_IDLE_LINK:
167 case HAL_REO_REINJECT:
170 case HAL_CE_DST_STATUS:
175 return ath12k_dp_srng_find_ring_in_mask(ring_num, grp_mask);
178 static void ath12k_dp_srng_msi_setup(struct ath12k_base *ab,
179 struct hal_srng_params *ring_params,
180 enum hal_ring_type type, int ring_num)
182 int msi_group_number, msi_data_count;
183 u32 msi_data_start, msi_irq_start, addr_lo, addr_hi;
186 ret = ath12k_hif_get_user_msi_vector(ab, "DP",
187 &msi_data_count, &msi_data_start,
192 msi_group_number = ath12k_dp_srng_calculate_msi_group(ab, type,
194 if (msi_group_number < 0) {
195 ath12k_dbg(ab, ATH12K_DBG_PCI,
196 "ring not part of an ext_group; ring_type: %d,ring_num %d",
198 ring_params->msi_addr = 0;
199 ring_params->msi_data = 0;
203 if (msi_group_number > msi_data_count) {
204 ath12k_dbg(ab, ATH12K_DBG_PCI,
205 "multiple msi_groups share one msi, msi_group_num %d",
209 ath12k_hif_get_msi_address(ab, &addr_lo, &addr_hi);
211 ring_params->msi_addr = addr_lo;
212 ring_params->msi_addr |= (dma_addr_t)(((uint64_t)addr_hi) << 32);
213 ring_params->msi_data = (msi_group_number % msi_data_count)
215 ring_params->flags |= HAL_SRNG_FLAGS_MSI_INTR;
218 int ath12k_dp_srng_setup(struct ath12k_base *ab, struct dp_srng *ring,
219 enum hal_ring_type type, int ring_num,
220 int mac_id, int num_entries)
222 struct hal_srng_params params = { 0 };
223 int entry_sz = ath12k_hal_srng_get_entrysize(ab, type);
224 int max_entries = ath12k_hal_srng_get_max_entries(ab, type);
227 if (max_entries < 0 || entry_sz < 0)
230 if (num_entries > max_entries)
231 num_entries = max_entries;
233 ring->size = (num_entries * entry_sz) + HAL_RING_BASE_ALIGN - 1;
234 ring->vaddr_unaligned = dma_alloc_coherent(ab->dev, ring->size,
235 &ring->paddr_unaligned,
237 if (!ring->vaddr_unaligned)
240 ring->vaddr = PTR_ALIGN(ring->vaddr_unaligned, HAL_RING_BASE_ALIGN);
241 ring->paddr = ring->paddr_unaligned + ((unsigned long)ring->vaddr -
242 (unsigned long)ring->vaddr_unaligned);
244 params.ring_base_vaddr = ring->vaddr;
245 params.ring_base_paddr = ring->paddr;
246 params.num_entries = num_entries;
247 ath12k_dp_srng_msi_setup(ab, ¶ms, type, ring_num + mac_id);
251 params.intr_batch_cntr_thres_entries =
252 HAL_SRNG_INT_BATCH_THRESHOLD_RX;
253 params.intr_timer_thres_us = HAL_SRNG_INT_TIMER_THRESHOLD_RX;
256 case HAL_RXDMA_MONITOR_BUF:
257 case HAL_RXDMA_MONITOR_STATUS:
258 params.low_threshold = num_entries >> 3;
259 params.flags |= HAL_SRNG_FLAGS_LOW_THRESH_INTR_EN;
260 params.intr_batch_cntr_thres_entries = 0;
261 params.intr_timer_thres_us = HAL_SRNG_INT_TIMER_THRESHOLD_RX;
263 case HAL_TX_MONITOR_DST:
264 params.low_threshold = DP_TX_MONITOR_BUF_SIZE_MAX >> 3;
265 params.flags |= HAL_SRNG_FLAGS_LOW_THRESH_INTR_EN;
266 params.intr_batch_cntr_thres_entries = 0;
267 params.intr_timer_thres_us = HAL_SRNG_INT_TIMER_THRESHOLD_RX;
269 case HAL_WBM2SW_RELEASE:
270 if (ab->hw_params->hw_ops->dp_srng_is_tx_comp_ring(ring_num)) {
271 params.intr_batch_cntr_thres_entries =
272 HAL_SRNG_INT_BATCH_THRESHOLD_TX;
273 params.intr_timer_thres_us =
274 HAL_SRNG_INT_TIMER_THRESHOLD_TX;
277 /* follow through when ring_num != HAL_WBM2SW_REL_ERR_RING_NUM */
279 case HAL_REO_EXCEPTION:
280 case HAL_REO_REINJECT:
286 case HAL_WBM_IDLE_LINK:
287 case HAL_SW2WBM_RELEASE:
289 case HAL_RXDMA_MONITOR_DST:
290 case HAL_RXDMA_MONITOR_DESC:
291 params.intr_batch_cntr_thres_entries =
292 HAL_SRNG_INT_BATCH_THRESHOLD_OTHER;
293 params.intr_timer_thres_us = HAL_SRNG_INT_TIMER_THRESHOLD_OTHER;
295 case HAL_RXDMA_DIR_BUF:
298 ath12k_warn(ab, "Not a valid ring type in dp :%d\n", type);
302 ret = ath12k_hal_srng_setup(ab, type, ring_num, mac_id, ¶ms);
304 ath12k_warn(ab, "failed to setup srng: %d ring_id %d\n",
315 u32 ath12k_dp_tx_get_vdev_bank_config(struct ath12k_base *ab, struct ath12k_vif *arvif)
319 /* Only valid for raw frames with HW crypto enabled.
320 * With SW crypto, mac80211 sets key per packet
322 if (arvif->tx_encap_type == HAL_TCL_ENCAP_TYPE_RAW &&
323 test_bit(ATH12K_FLAG_HW_CRYPTO_DISABLED, &ab->dev_flags))
325 u32_encode_bits(ath12k_dp_tx_get_encrypt_type(arvif->key_cipher),
326 HAL_TX_BANK_CONFIG_ENCRYPT_TYPE);
328 bank_config |= u32_encode_bits(arvif->tx_encap_type,
329 HAL_TX_BANK_CONFIG_ENCAP_TYPE);
330 bank_config |= u32_encode_bits(0, HAL_TX_BANK_CONFIG_SRC_BUFFER_SWAP) |
331 u32_encode_bits(0, HAL_TX_BANK_CONFIG_LINK_META_SWAP) |
332 u32_encode_bits(0, HAL_TX_BANK_CONFIG_EPD);
334 /* only valid if idx_lookup_override is not set in tcl_data_cmd */
335 bank_config |= u32_encode_bits(0, HAL_TX_BANK_CONFIG_INDEX_LOOKUP_EN);
337 bank_config |= u32_encode_bits(arvif->hal_addr_search_flags & HAL_TX_ADDRX_EN,
338 HAL_TX_BANK_CONFIG_ADDRX_EN) |
339 u32_encode_bits(!!(arvif->hal_addr_search_flags &
341 HAL_TX_BANK_CONFIG_ADDRY_EN);
343 bank_config |= u32_encode_bits(ieee80211_vif_is_mesh(arvif->vif) ? 3 : 0,
344 HAL_TX_BANK_CONFIG_MESH_EN) |
345 u32_encode_bits(arvif->vdev_id_check_en,
346 HAL_TX_BANK_CONFIG_VDEV_ID_CHECK_EN);
348 bank_config |= u32_encode_bits(0, HAL_TX_BANK_CONFIG_DSCP_TIP_MAP_ID);
353 static int ath12k_dp_tx_get_bank_profile(struct ath12k_base *ab, struct ath12k_vif *arvif,
354 struct ath12k_dp *dp)
356 int bank_id = DP_INVALID_BANK_ID;
359 bool configure_register = false;
361 /* convert vdev params into hal_tx_bank_config */
362 bank_config = ath12k_dp_tx_get_vdev_bank_config(ab, arvif);
364 spin_lock_bh(&dp->tx_bank_lock);
365 /* TODO: implement using idr kernel framework*/
366 for (i = 0; i < dp->num_bank_profiles; i++) {
367 if (dp->bank_profiles[i].is_configured &&
368 (dp->bank_profiles[i].bank_config ^ bank_config) == 0) {
370 goto inc_ref_and_return;
372 if (!dp->bank_profiles[i].is_configured ||
373 !dp->bank_profiles[i].num_users) {
375 goto configure_and_return;
379 if (bank_id == DP_INVALID_BANK_ID) {
380 spin_unlock_bh(&dp->tx_bank_lock);
381 ath12k_err(ab, "unable to find TX bank!");
385 configure_and_return:
386 dp->bank_profiles[bank_id].is_configured = true;
387 dp->bank_profiles[bank_id].bank_config = bank_config;
388 configure_register = true;
390 dp->bank_profiles[bank_id].num_users++;
391 spin_unlock_bh(&dp->tx_bank_lock);
393 if (configure_register)
394 ath12k_hal_tx_configure_bank_register(ab, bank_config, bank_id);
396 ath12k_dbg(ab, ATH12K_DBG_DP_HTT, "dp_htt tcl bank_id %d input 0x%x match 0x%x num_users %u",
397 bank_id, bank_config, dp->bank_profiles[bank_id].bank_config,
398 dp->bank_profiles[bank_id].num_users);
403 void ath12k_dp_tx_put_bank_profile(struct ath12k_dp *dp, u8 bank_id)
405 spin_lock_bh(&dp->tx_bank_lock);
406 dp->bank_profiles[bank_id].num_users--;
407 spin_unlock_bh(&dp->tx_bank_lock);
410 static void ath12k_dp_deinit_bank_profiles(struct ath12k_base *ab)
412 struct ath12k_dp *dp = &ab->dp;
414 kfree(dp->bank_profiles);
415 dp->bank_profiles = NULL;
418 static int ath12k_dp_init_bank_profiles(struct ath12k_base *ab)
420 struct ath12k_dp *dp = &ab->dp;
421 u32 num_tcl_banks = ab->hw_params->num_tcl_banks;
424 dp->num_bank_profiles = num_tcl_banks;
425 dp->bank_profiles = kmalloc_array(num_tcl_banks,
426 sizeof(struct ath12k_dp_tx_bank_profile),
428 if (!dp->bank_profiles)
431 spin_lock_init(&dp->tx_bank_lock);
433 for (i = 0; i < num_tcl_banks; i++) {
434 dp->bank_profiles[i].is_configured = false;
435 dp->bank_profiles[i].num_users = 0;
441 static void ath12k_dp_srng_common_cleanup(struct ath12k_base *ab)
443 struct ath12k_dp *dp = &ab->dp;
446 ath12k_dp_srng_cleanup(ab, &dp->reo_status_ring);
447 ath12k_dp_srng_cleanup(ab, &dp->reo_cmd_ring);
448 ath12k_dp_srng_cleanup(ab, &dp->reo_except_ring);
449 ath12k_dp_srng_cleanup(ab, &dp->rx_rel_ring);
450 ath12k_dp_srng_cleanup(ab, &dp->reo_reinject_ring);
451 for (i = 0; i < ab->hw_params->max_tx_ring; i++) {
452 ath12k_dp_srng_cleanup(ab, &dp->tx_ring[i].tcl_comp_ring);
453 ath12k_dp_srng_cleanup(ab, &dp->tx_ring[i].tcl_data_ring);
455 ath12k_dp_srng_cleanup(ab, &dp->tcl_status_ring);
456 ath12k_dp_srng_cleanup(ab, &dp->tcl_cmd_ring);
457 ath12k_dp_srng_cleanup(ab, &dp->wbm_desc_rel_ring);
460 static int ath12k_dp_srng_common_setup(struct ath12k_base *ab)
462 struct ath12k_dp *dp = &ab->dp;
463 const struct ath12k_hal_tcl_to_wbm_rbm_map *map;
464 struct hal_srng *srng;
465 int i, ret, tx_comp_ring_num;
468 ret = ath12k_dp_srng_setup(ab, &dp->wbm_desc_rel_ring,
469 HAL_SW2WBM_RELEASE, 0, 0,
470 DP_WBM_RELEASE_RING_SIZE);
472 ath12k_warn(ab, "failed to set up wbm2sw_release ring :%d\n",
477 ret = ath12k_dp_srng_setup(ab, &dp->tcl_cmd_ring, HAL_TCL_CMD, 0, 0,
478 DP_TCL_CMD_RING_SIZE);
480 ath12k_warn(ab, "failed to set up tcl_cmd ring :%d\n", ret);
484 ret = ath12k_dp_srng_setup(ab, &dp->tcl_status_ring, HAL_TCL_STATUS,
485 0, 0, DP_TCL_STATUS_RING_SIZE);
487 ath12k_warn(ab, "failed to set up tcl_status ring :%d\n", ret);
491 for (i = 0; i < ab->hw_params->max_tx_ring; i++) {
492 map = ab->hw_params->hal_ops->tcl_to_wbm_rbm_map;
493 tx_comp_ring_num = map[i].wbm_ring_num;
495 ret = ath12k_dp_srng_setup(ab, &dp->tx_ring[i].tcl_data_ring,
497 DP_TCL_DATA_RING_SIZE);
499 ath12k_warn(ab, "failed to set up tcl_data ring (%d) :%d\n",
504 ret = ath12k_dp_srng_setup(ab, &dp->tx_ring[i].tcl_comp_ring,
505 HAL_WBM2SW_RELEASE, tx_comp_ring_num, 0,
506 DP_TX_COMP_RING_SIZE);
508 ath12k_warn(ab, "failed to set up tcl_comp ring (%d) :%d\n",
509 tx_comp_ring_num, ret);
514 ret = ath12k_dp_srng_setup(ab, &dp->reo_reinject_ring, HAL_REO_REINJECT,
515 0, 0, DP_REO_REINJECT_RING_SIZE);
517 ath12k_warn(ab, "failed to set up reo_reinject ring :%d\n",
522 ret = ath12k_dp_srng_setup(ab, &dp->rx_rel_ring, HAL_WBM2SW_RELEASE,
523 HAL_WBM2SW_REL_ERR_RING_NUM, 0,
524 DP_RX_RELEASE_RING_SIZE);
526 ath12k_warn(ab, "failed to set up rx_rel ring :%d\n", ret);
530 ret = ath12k_dp_srng_setup(ab, &dp->reo_except_ring, HAL_REO_EXCEPTION,
531 0, 0, DP_REO_EXCEPTION_RING_SIZE);
533 ath12k_warn(ab, "failed to set up reo_exception ring :%d\n",
538 ret = ath12k_dp_srng_setup(ab, &dp->reo_cmd_ring, HAL_REO_CMD,
539 0, 0, DP_REO_CMD_RING_SIZE);
541 ath12k_warn(ab, "failed to set up reo_cmd ring :%d\n", ret);
545 srng = &ab->hal.srng_list[dp->reo_cmd_ring.ring_id];
546 ath12k_hal_reo_init_cmd_ring(ab, srng);
548 ret = ath12k_dp_srng_setup(ab, &dp->reo_status_ring, HAL_REO_STATUS,
549 0, 0, DP_REO_STATUS_RING_SIZE);
551 ath12k_warn(ab, "failed to set up reo_status ring :%d\n", ret);
555 /* When hash based routing of rx packet is enabled, 32 entries to map
556 * the hash values to the ring will be configured. Each hash entry uses
557 * four bits to map to a particular ring. The ring mapping will be
558 * 0:TCL, 1:SW1, 2:SW2, 3:SW3, 4:SW4, 5:Release, 6:FW and 7:SW5
559 * 8:SW6, 9:SW7, 10:SW8, 11:Not used.
561 ring_hash_map = HAL_HASH_ROUTING_RING_SW1 |
562 HAL_HASH_ROUTING_RING_SW2 << 4 |
563 HAL_HASH_ROUTING_RING_SW3 << 8 |
564 HAL_HASH_ROUTING_RING_SW4 << 12 |
565 HAL_HASH_ROUTING_RING_SW1 << 16 |
566 HAL_HASH_ROUTING_RING_SW2 << 20 |
567 HAL_HASH_ROUTING_RING_SW3 << 24 |
568 HAL_HASH_ROUTING_RING_SW4 << 28;
570 ath12k_hal_reo_hw_setup(ab, ring_hash_map);
575 ath12k_dp_srng_common_cleanup(ab);
580 static void ath12k_dp_scatter_idle_link_desc_cleanup(struct ath12k_base *ab)
582 struct ath12k_dp *dp = &ab->dp;
583 struct hal_wbm_idle_scatter_list *slist = dp->scatter_list;
586 for (i = 0; i < DP_IDLE_SCATTER_BUFS_MAX; i++) {
590 dma_free_coherent(ab->dev, HAL_WBM_IDLE_SCATTER_BUF_SIZE_MAX,
591 slist[i].vaddr, slist[i].paddr);
592 slist[i].vaddr = NULL;
596 static int ath12k_dp_scatter_idle_link_desc_setup(struct ath12k_base *ab,
598 u32 n_link_desc_bank,
602 struct ath12k_dp *dp = &ab->dp;
603 struct dp_link_desc_bank *link_desc_banks = dp->link_desc_banks;
604 struct hal_wbm_idle_scatter_list *slist = dp->scatter_list;
605 u32 n_entries_per_buf;
606 int num_scatter_buf, scatter_idx;
607 struct hal_wbm_link_desc *scatter_buf;
608 int align_bytes, n_entries;
613 u32 end_offset, cookie;
615 n_entries_per_buf = HAL_WBM_IDLE_SCATTER_BUF_SIZE /
616 ath12k_hal_srng_get_entrysize(ab, HAL_WBM_IDLE_LINK);
617 num_scatter_buf = DIV_ROUND_UP(size, HAL_WBM_IDLE_SCATTER_BUF_SIZE);
619 if (num_scatter_buf > DP_IDLE_SCATTER_BUFS_MAX)
622 for (i = 0; i < num_scatter_buf; i++) {
623 slist[i].vaddr = dma_alloc_coherent(ab->dev,
624 HAL_WBM_IDLE_SCATTER_BUF_SIZE_MAX,
625 &slist[i].paddr, GFP_KERNEL);
626 if (!slist[i].vaddr) {
633 scatter_buf = slist[scatter_idx].vaddr;
634 rem_entries = n_entries_per_buf;
636 for (i = 0; i < n_link_desc_bank; i++) {
637 align_bytes = link_desc_banks[i].vaddr -
638 link_desc_banks[i].vaddr_unaligned;
639 n_entries = (DP_LINK_DESC_ALLOC_SIZE_THRESH - align_bytes) /
641 paddr = link_desc_banks[i].paddr;
643 cookie = DP_LINK_DESC_COOKIE_SET(n_entries, i);
644 ath12k_hal_set_link_desc_addr(scatter_buf, cookie, paddr);
646 paddr += HAL_LINK_DESC_SIZE;
653 rem_entries = n_entries_per_buf;
655 scatter_buf = slist[scatter_idx].vaddr;
659 end_offset = (scatter_buf - slist[scatter_idx].vaddr) *
660 sizeof(struct hal_wbm_link_desc);
661 ath12k_hal_setup_link_idle_list(ab, slist, num_scatter_buf,
662 n_link_desc, end_offset);
667 ath12k_dp_scatter_idle_link_desc_cleanup(ab);
673 ath12k_dp_link_desc_bank_free(struct ath12k_base *ab,
674 struct dp_link_desc_bank *link_desc_banks)
678 for (i = 0; i < DP_LINK_DESC_BANKS_MAX; i++) {
679 if (link_desc_banks[i].vaddr_unaligned) {
680 dma_free_coherent(ab->dev,
681 link_desc_banks[i].size,
682 link_desc_banks[i].vaddr_unaligned,
683 link_desc_banks[i].paddr_unaligned);
684 link_desc_banks[i].vaddr_unaligned = NULL;
689 static int ath12k_dp_link_desc_bank_alloc(struct ath12k_base *ab,
690 struct dp_link_desc_bank *desc_bank,
691 int n_link_desc_bank,
694 struct ath12k_dp *dp = &ab->dp;
697 int desc_sz = DP_LINK_DESC_ALLOC_SIZE_THRESH;
699 for (i = 0; i < n_link_desc_bank; i++) {
700 if (i == (n_link_desc_bank - 1) && last_bank_sz)
701 desc_sz = last_bank_sz;
703 desc_bank[i].vaddr_unaligned =
704 dma_alloc_coherent(ab->dev, desc_sz,
705 &desc_bank[i].paddr_unaligned,
707 if (!desc_bank[i].vaddr_unaligned) {
712 desc_bank[i].vaddr = PTR_ALIGN(desc_bank[i].vaddr_unaligned,
713 HAL_LINK_DESC_ALIGN);
714 desc_bank[i].paddr = desc_bank[i].paddr_unaligned +
715 ((unsigned long)desc_bank[i].vaddr -
716 (unsigned long)desc_bank[i].vaddr_unaligned);
717 desc_bank[i].size = desc_sz;
723 ath12k_dp_link_desc_bank_free(ab, dp->link_desc_banks);
728 void ath12k_dp_link_desc_cleanup(struct ath12k_base *ab,
729 struct dp_link_desc_bank *desc_bank,
730 u32 ring_type, struct dp_srng *ring)
732 ath12k_dp_link_desc_bank_free(ab, desc_bank);
734 if (ring_type != HAL_RXDMA_MONITOR_DESC) {
735 ath12k_dp_srng_cleanup(ab, ring);
736 ath12k_dp_scatter_idle_link_desc_cleanup(ab);
740 static int ath12k_wbm_idle_ring_setup(struct ath12k_base *ab, u32 *n_link_desc)
742 struct ath12k_dp *dp = &ab->dp;
743 u32 n_mpdu_link_desc, n_mpdu_queue_desc;
744 u32 n_tx_msdu_link_desc, n_rx_msdu_link_desc;
747 n_mpdu_link_desc = (DP_NUM_TIDS_MAX * DP_AVG_MPDUS_PER_TID_MAX) /
748 HAL_NUM_MPDUS_PER_LINK_DESC;
750 n_mpdu_queue_desc = n_mpdu_link_desc /
751 HAL_NUM_MPDU_LINKS_PER_QUEUE_DESC;
753 n_tx_msdu_link_desc = (DP_NUM_TIDS_MAX * DP_AVG_FLOWS_PER_TID *
754 DP_AVG_MSDUS_PER_FLOW) /
755 HAL_NUM_TX_MSDUS_PER_LINK_DESC;
757 n_rx_msdu_link_desc = (DP_NUM_TIDS_MAX * DP_AVG_MPDUS_PER_TID_MAX *
758 DP_AVG_MSDUS_PER_MPDU) /
759 HAL_NUM_RX_MSDUS_PER_LINK_DESC;
761 *n_link_desc = n_mpdu_link_desc + n_mpdu_queue_desc +
762 n_tx_msdu_link_desc + n_rx_msdu_link_desc;
764 if (*n_link_desc & (*n_link_desc - 1))
765 *n_link_desc = 1 << fls(*n_link_desc);
767 ret = ath12k_dp_srng_setup(ab, &dp->wbm_idle_ring,
768 HAL_WBM_IDLE_LINK, 0, 0, *n_link_desc);
770 ath12k_warn(ab, "failed to setup wbm_idle_ring: %d\n", ret);
776 int ath12k_dp_link_desc_setup(struct ath12k_base *ab,
777 struct dp_link_desc_bank *link_desc_banks,
778 u32 ring_type, struct hal_srng *srng,
782 u32 n_link_desc_bank, last_bank_sz;
783 u32 entry_sz, align_bytes, n_entries;
784 struct hal_wbm_link_desc *desc;
789 tot_mem_sz = n_link_desc * HAL_LINK_DESC_SIZE;
790 tot_mem_sz += HAL_LINK_DESC_ALIGN;
792 if (tot_mem_sz <= DP_LINK_DESC_ALLOC_SIZE_THRESH) {
793 n_link_desc_bank = 1;
794 last_bank_sz = tot_mem_sz;
796 n_link_desc_bank = tot_mem_sz /
797 (DP_LINK_DESC_ALLOC_SIZE_THRESH -
798 HAL_LINK_DESC_ALIGN);
799 last_bank_sz = tot_mem_sz %
800 (DP_LINK_DESC_ALLOC_SIZE_THRESH -
801 HAL_LINK_DESC_ALIGN);
804 n_link_desc_bank += 1;
807 if (n_link_desc_bank > DP_LINK_DESC_BANKS_MAX)
810 ret = ath12k_dp_link_desc_bank_alloc(ab, link_desc_banks,
811 n_link_desc_bank, last_bank_sz);
815 /* Setup link desc idle list for HW internal usage */
816 entry_sz = ath12k_hal_srng_get_entrysize(ab, ring_type);
817 tot_mem_sz = entry_sz * n_link_desc;
819 /* Setup scatter desc list when the total memory requirement is more */
820 if (tot_mem_sz > DP_LINK_DESC_ALLOC_SIZE_THRESH &&
821 ring_type != HAL_RXDMA_MONITOR_DESC) {
822 ret = ath12k_dp_scatter_idle_link_desc_setup(ab, tot_mem_sz,
827 ath12k_warn(ab, "failed to setup scatting idle list descriptor :%d\n",
829 goto fail_desc_bank_free;
835 spin_lock_bh(&srng->lock);
837 ath12k_hal_srng_access_begin(ab, srng);
839 for (i = 0; i < n_link_desc_bank; i++) {
840 align_bytes = link_desc_banks[i].vaddr -
841 link_desc_banks[i].vaddr_unaligned;
842 n_entries = (link_desc_banks[i].size - align_bytes) /
844 paddr = link_desc_banks[i].paddr;
846 (desc = ath12k_hal_srng_src_get_next_entry(ab, srng))) {
847 cookie = DP_LINK_DESC_COOKIE_SET(n_entries, i);
848 ath12k_hal_set_link_desc_addr(desc,
851 paddr += HAL_LINK_DESC_SIZE;
855 ath12k_hal_srng_access_end(ab, srng);
857 spin_unlock_bh(&srng->lock);
862 ath12k_dp_link_desc_bank_free(ab, link_desc_banks);
867 int ath12k_dp_service_srng(struct ath12k_base *ab,
868 struct ath12k_ext_irq_grp *irq_grp,
871 struct napi_struct *napi = &irq_grp->napi;
872 int grp_id = irq_grp->grp_id;
875 int tot_work_done = 0;
876 enum dp_monitor_mode monitor_mode;
879 while (i < ab->hw_params->max_tx_ring) {
880 if (ab->hw_params->ring_mask->tx[grp_id] &
881 BIT(ab->hw_params->hal_ops->tcl_to_wbm_rbm_map[i].wbm_ring_num))
882 ath12k_dp_tx_completion_handler(ab, i);
886 if (ab->hw_params->ring_mask->rx_err[grp_id]) {
887 work_done = ath12k_dp_rx_process_err(ab, napi, budget);
889 tot_work_done += work_done;
894 if (ab->hw_params->ring_mask->rx_wbm_rel[grp_id]) {
895 work_done = ath12k_dp_rx_process_wbm_err(ab,
899 tot_work_done += work_done;
905 if (ab->hw_params->ring_mask->rx[grp_id]) {
906 i = fls(ab->hw_params->ring_mask->rx[grp_id]) - 1;
907 work_done = ath12k_dp_rx_process(ab, i, napi,
910 tot_work_done += work_done;
915 if (ab->hw_params->ring_mask->rx_mon_dest[grp_id]) {
916 monitor_mode = ATH12K_DP_RX_MONITOR_MODE;
917 ring_mask = ab->hw_params->ring_mask->rx_mon_dest[grp_id];
918 for (i = 0; i < ab->num_radios; i++) {
919 for (j = 0; j < ab->hw_params->num_rxmda_per_pdev; j++) {
920 int id = i * ab->hw_params->num_rxmda_per_pdev + j;
922 if (ring_mask & BIT(id)) {
924 ath12k_dp_mon_process_ring(ab, id, napi, budget,
927 tot_work_done += work_done;
936 if (ab->hw_params->ring_mask->tx_mon_dest[grp_id]) {
937 monitor_mode = ATH12K_DP_TX_MONITOR_MODE;
938 ring_mask = ab->hw_params->ring_mask->tx_mon_dest[grp_id];
939 for (i = 0; i < ab->num_radios; i++) {
940 for (j = 0; j < ab->hw_params->num_rxmda_per_pdev; j++) {
941 int id = i * ab->hw_params->num_rxmda_per_pdev + j;
943 if (ring_mask & BIT(id)) {
945 ath12k_dp_mon_process_ring(ab, id, napi, budget,
948 tot_work_done += work_done;
957 if (ab->hw_params->ring_mask->reo_status[grp_id])
958 ath12k_dp_rx_process_reo_status(ab);
960 if (ab->hw_params->ring_mask->host2rxdma[grp_id]) {
961 struct ath12k_dp *dp = &ab->dp;
962 struct dp_rxdma_ring *rx_ring = &dp->rx_refill_buf_ring;
964 ath12k_dp_rx_bufs_replenish(ab, rx_ring, 0);
967 /* TODO: Implement handler for other interrupts */
970 return tot_work_done;
973 void ath12k_dp_pdev_free(struct ath12k_base *ab)
977 del_timer_sync(&ab->mon_reap_timer);
979 for (i = 0; i < ab->num_radios; i++)
980 ath12k_dp_rx_pdev_free(ab, i);
983 void ath12k_dp_pdev_pre_alloc(struct ath12k_base *ab)
986 struct ath12k_pdev_dp *dp;
989 for (i = 0; i < ab->num_radios; i++) {
990 ar = ab->pdevs[i].ar;
993 atomic_set(&dp->num_tx_pending, 0);
994 init_waitqueue_head(&dp->tx_empty_waitq);
996 /* TODO: Add any RXDMA setup required per pdev */
1000 bool ath12k_dp_wmask_compaction_rx_tlv_supported(struct ath12k_base *ab)
1002 if (test_bit(WMI_TLV_SERVICE_WMSK_COMPACTION_RX_TLVS, ab->wmi_ab.svc_map) &&
1003 ab->hw_params->hal_ops->rxdma_ring_wmask_rx_mpdu_start &&
1004 ab->hw_params->hal_ops->rxdma_ring_wmask_rx_msdu_end &&
1005 ab->hw_params->hal_ops->get_hal_rx_compact_ops) {
1011 void ath12k_dp_hal_rx_desc_init(struct ath12k_base *ab)
1013 if (ath12k_dp_wmask_compaction_rx_tlv_supported(ab)) {
1014 /* RX TLVS compaction is supported, hence change the hal_rx_ops
1015 * to compact hal_rx_ops.
1017 ab->hal_rx_ops = ab->hw_params->hal_ops->get_hal_rx_compact_ops();
1019 ab->hal.hal_desc_sz =
1020 ab->hal_rx_ops->rx_desc_get_desc_size();
1023 static void ath12k_dp_service_mon_ring(struct timer_list *t)
1025 struct ath12k_base *ab = from_timer(ab, t, mon_reap_timer);
1028 for (i = 0; i < ab->hw_params->num_rxmda_per_pdev; i++)
1029 ath12k_dp_mon_process_ring(ab, i, NULL, DP_MON_SERVICE_BUDGET,
1030 ATH12K_DP_RX_MONITOR_MODE);
1032 mod_timer(&ab->mon_reap_timer, jiffies +
1033 msecs_to_jiffies(ATH12K_MON_TIMER_INTERVAL));
1036 static void ath12k_dp_mon_reap_timer_init(struct ath12k_base *ab)
1038 if (ab->hw_params->rxdma1_enable)
1041 timer_setup(&ab->mon_reap_timer, ath12k_dp_service_mon_ring, 0);
1044 int ath12k_dp_pdev_alloc(struct ath12k_base *ab)
1050 ret = ath12k_dp_rx_htt_setup(ab);
1054 ath12k_dp_mon_reap_timer_init(ab);
1056 /* TODO: Per-pdev rx ring unlike tx ring which is mapped to different AC's */
1057 for (i = 0; i < ab->num_radios; i++) {
1058 ar = ab->pdevs[i].ar;
1059 ret = ath12k_dp_rx_pdev_alloc(ab, i);
1061 ath12k_warn(ab, "failed to allocate pdev rx for pdev_id :%d\n",
1065 ret = ath12k_dp_rx_pdev_mon_attach(ar);
1067 ath12k_warn(ab, "failed to initialize mon pdev %d\n", i);
1074 ath12k_dp_pdev_free(ab);
1079 int ath12k_dp_htt_connect(struct ath12k_dp *dp)
1081 struct ath12k_htc_svc_conn_req conn_req = {0};
1082 struct ath12k_htc_svc_conn_resp conn_resp = {0};
1085 conn_req.ep_ops.ep_tx_complete = ath12k_dp_htt_htc_tx_complete;
1086 conn_req.ep_ops.ep_rx_complete = ath12k_dp_htt_htc_t2h_msg_handler;
1088 /* connect to control service */
1089 conn_req.service_id = ATH12K_HTC_SVC_ID_HTT_DATA_MSG;
1091 status = ath12k_htc_connect_service(&dp->ab->htc, &conn_req,
1097 dp->eid = conn_resp.eid;
1102 static void ath12k_dp_update_vdev_search(struct ath12k_vif *arvif)
1104 switch (arvif->vdev_type) {
1105 case WMI_VDEV_TYPE_STA:
1106 /* TODO: Verify the search type and flags since ast hash
1107 * is not part of peer mapv3
1109 arvif->hal_addr_search_flags = HAL_TX_ADDRY_EN;
1110 arvif->search_type = HAL_TX_ADDR_SEARCH_DEFAULT;
1112 case WMI_VDEV_TYPE_AP:
1113 case WMI_VDEV_TYPE_IBSS:
1114 arvif->hal_addr_search_flags = HAL_TX_ADDRX_EN;
1115 arvif->search_type = HAL_TX_ADDR_SEARCH_DEFAULT;
1117 case WMI_VDEV_TYPE_MONITOR:
1123 void ath12k_dp_vdev_tx_attach(struct ath12k *ar, struct ath12k_vif *arvif)
1125 struct ath12k_base *ab = ar->ab;
1127 arvif->tcl_metadata |= u32_encode_bits(1, HTT_TCL_META_DATA_TYPE) |
1128 u32_encode_bits(arvif->vdev_id,
1129 HTT_TCL_META_DATA_VDEV_ID) |
1130 u32_encode_bits(ar->pdev->pdev_id,
1131 HTT_TCL_META_DATA_PDEV_ID);
1133 /* set HTT extension valid bit to 0 by default */
1134 arvif->tcl_metadata &= ~HTT_TCL_META_DATA_VALID_HTT;
1136 ath12k_dp_update_vdev_search(arvif);
1137 arvif->vdev_id_check_en = true;
1138 arvif->bank_id = ath12k_dp_tx_get_bank_profile(ab, arvif, &ab->dp);
1140 /* TODO: error path for bank id failure */
1141 if (arvif->bank_id == DP_INVALID_BANK_ID) {
1142 ath12k_err(ar->ab, "Failed to initialize DP TX Banks");
1147 static void ath12k_dp_cc_cleanup(struct ath12k_base *ab)
1149 struct ath12k_rx_desc_info *desc_info, *tmp;
1150 struct ath12k_tx_desc_info *tx_desc_info, *tmp1;
1151 struct ath12k_dp *dp = &ab->dp;
1152 struct sk_buff *skb;
1154 u32 pool_id, tx_spt_page;
1159 /* RX Descriptor cleanup */
1160 spin_lock_bh(&dp->rx_desc_lock);
1162 list_for_each_entry_safe(desc_info, tmp, &dp->rx_desc_used_list, list) {
1163 list_del(&desc_info->list);
1164 skb = desc_info->skb;
1169 dma_unmap_single(ab->dev, ATH12K_SKB_RXCB(skb)->paddr,
1170 skb->len + skb_tailroom(skb), DMA_FROM_DEVICE);
1171 dev_kfree_skb_any(skb);
1174 for (i = 0; i < ATH12K_NUM_RX_SPT_PAGES; i++) {
1175 if (!dp->spt_info->rxbaddr[i])
1178 kfree(dp->spt_info->rxbaddr[i]);
1179 dp->spt_info->rxbaddr[i] = NULL;
1182 spin_unlock_bh(&dp->rx_desc_lock);
1184 /* TX Descriptor cleanup */
1185 for (i = 0; i < ATH12K_HW_MAX_QUEUES; i++) {
1186 spin_lock_bh(&dp->tx_desc_lock[i]);
1188 list_for_each_entry_safe(tx_desc_info, tmp1, &dp->tx_desc_used_list[i],
1190 list_del(&tx_desc_info->list);
1191 skb = tx_desc_info->skb;
1196 dma_unmap_single(ab->dev, ATH12K_SKB_CB(skb)->paddr,
1197 skb->len, DMA_TO_DEVICE);
1198 dev_kfree_skb_any(skb);
1201 spin_unlock_bh(&dp->tx_desc_lock[i]);
1204 for (pool_id = 0; pool_id < ATH12K_HW_MAX_QUEUES; pool_id++) {
1205 spin_lock_bh(&dp->tx_desc_lock[pool_id]);
1207 for (i = 0; i < ATH12K_TX_SPT_PAGES_PER_POOL; i++) {
1208 tx_spt_page = i + pool_id * ATH12K_TX_SPT_PAGES_PER_POOL;
1209 if (!dp->spt_info->txbaddr[tx_spt_page])
1212 kfree(dp->spt_info->txbaddr[tx_spt_page]);
1213 dp->spt_info->txbaddr[tx_spt_page] = NULL;
1216 spin_unlock_bh(&dp->tx_desc_lock[pool_id]);
1219 /* unmap SPT pages */
1220 for (i = 0; i < dp->num_spt_pages; i++) {
1221 if (!dp->spt_info[i].vaddr)
1224 dma_free_coherent(ab->dev, ATH12K_PAGE_SIZE,
1225 dp->spt_info[i].vaddr, dp->spt_info[i].paddr);
1226 dp->spt_info[i].vaddr = NULL;
1229 kfree(dp->spt_info);
1232 static void ath12k_dp_reoq_lut_cleanup(struct ath12k_base *ab)
1234 struct ath12k_dp *dp = &ab->dp;
1236 if (!ab->hw_params->reoq_lut_support)
1239 if (!dp->reoq_lut.vaddr)
1242 dma_free_coherent(ab->dev, DP_REOQ_LUT_SIZE,
1243 dp->reoq_lut.vaddr, dp->reoq_lut.paddr);
1244 dp->reoq_lut.vaddr = NULL;
1246 ath12k_hif_write32(ab,
1247 HAL_SEQ_WCSS_UMAC_REO_REG + HAL_REO1_QDESC_LUT_BASE0(ab), 0);
1250 void ath12k_dp_free(struct ath12k_base *ab)
1252 struct ath12k_dp *dp = &ab->dp;
1255 ath12k_dp_link_desc_cleanup(ab, dp->link_desc_banks,
1256 HAL_WBM_IDLE_LINK, &dp->wbm_idle_ring);
1258 ath12k_dp_cc_cleanup(ab);
1259 ath12k_dp_reoq_lut_cleanup(ab);
1260 ath12k_dp_deinit_bank_profiles(ab);
1261 ath12k_dp_srng_common_cleanup(ab);
1263 ath12k_dp_rx_reo_cmd_list_cleanup(ab);
1265 for (i = 0; i < ab->hw_params->max_tx_ring; i++)
1266 kfree(dp->tx_ring[i].tx_status);
1268 ath12k_dp_rx_free(ab);
1269 /* Deinit any SOC level resource */
1272 void ath12k_dp_cc_config(struct ath12k_base *ab)
1274 u32 cmem_base = ab->qmi.dev_mem[ATH12K_QMI_DEVMEM_CMEM_INDEX].start;
1275 u32 reo_base = HAL_SEQ_WCSS_UMAC_REO_REG;
1276 u32 wbm_base = HAL_SEQ_WCSS_UMAC_WBM_REG;
1279 ath12k_hif_write32(ab, reo_base + HAL_REO1_SW_COOKIE_CFG0(ab), cmem_base);
1281 val |= u32_encode_bits(ATH12K_CMEM_ADDR_MSB,
1282 HAL_REO1_SW_COOKIE_CFG_CMEM_BASE_ADDR_MSB) |
1283 u32_encode_bits(ATH12K_CC_PPT_MSB,
1284 HAL_REO1_SW_COOKIE_CFG_COOKIE_PPT_MSB) |
1285 u32_encode_bits(ATH12K_CC_SPT_MSB,
1286 HAL_REO1_SW_COOKIE_CFG_COOKIE_SPT_MSB) |
1287 u32_encode_bits(1, HAL_REO1_SW_COOKIE_CFG_ALIGN) |
1288 u32_encode_bits(1, HAL_REO1_SW_COOKIE_CFG_ENABLE) |
1289 u32_encode_bits(1, HAL_REO1_SW_COOKIE_CFG_GLOBAL_ENABLE);
1291 ath12k_hif_write32(ab, reo_base + HAL_REO1_SW_COOKIE_CFG1(ab), val);
1293 /* Enable HW CC for WBM */
1294 ath12k_hif_write32(ab, wbm_base + HAL_WBM_SW_COOKIE_CFG0, cmem_base);
1296 val = u32_encode_bits(ATH12K_CMEM_ADDR_MSB,
1297 HAL_WBM_SW_COOKIE_CFG_CMEM_BASE_ADDR_MSB) |
1298 u32_encode_bits(ATH12K_CC_PPT_MSB,
1299 HAL_WBM_SW_COOKIE_CFG_COOKIE_PPT_MSB) |
1300 u32_encode_bits(ATH12K_CC_SPT_MSB,
1301 HAL_WBM_SW_COOKIE_CFG_COOKIE_SPT_MSB) |
1302 u32_encode_bits(1, HAL_WBM_SW_COOKIE_CFG_ALIGN);
1304 ath12k_hif_write32(ab, wbm_base + HAL_WBM_SW_COOKIE_CFG1, val);
1306 /* Enable conversion complete indication */
1307 val = ath12k_hif_read32(ab, wbm_base + HAL_WBM_SW_COOKIE_CFG2);
1308 val |= u32_encode_bits(1, HAL_WBM_SW_COOKIE_CFG_RELEASE_PATH_EN) |
1309 u32_encode_bits(1, HAL_WBM_SW_COOKIE_CFG_ERR_PATH_EN) |
1310 u32_encode_bits(1, HAL_WBM_SW_COOKIE_CFG_CONV_IND_EN);
1312 ath12k_hif_write32(ab, wbm_base + HAL_WBM_SW_COOKIE_CFG2, val);
1314 /* Enable Cookie conversion for WBM2SW Rings */
1315 val = ath12k_hif_read32(ab, wbm_base + HAL_WBM_SW_COOKIE_CONVERT_CFG);
1316 val |= u32_encode_bits(1, HAL_WBM_SW_COOKIE_CONV_CFG_GLOBAL_EN) |
1317 ab->hw_params->hal_params->wbm2sw_cc_enable;
1319 ath12k_hif_write32(ab, wbm_base + HAL_WBM_SW_COOKIE_CONVERT_CFG, val);
1322 static u32 ath12k_dp_cc_cookie_gen(u16 ppt_idx, u16 spt_idx)
1324 return (u32)ppt_idx << ATH12K_CC_PPT_SHIFT | spt_idx;
1327 static inline void *ath12k_dp_cc_get_desc_addr_ptr(struct ath12k_base *ab,
1328 u16 ppt_idx, u16 spt_idx)
1330 struct ath12k_dp *dp = &ab->dp;
1332 return dp->spt_info[ppt_idx].vaddr + spt_idx;
1335 struct ath12k_rx_desc_info *ath12k_dp_get_rx_desc(struct ath12k_base *ab,
1338 struct ath12k_rx_desc_info **desc_addr_ptr;
1339 u16 ppt_idx, spt_idx;
1341 ppt_idx = u32_get_bits(cookie, ATH12K_DP_CC_COOKIE_PPT);
1342 spt_idx = u32_get_bits(cookie, ATH12k_DP_CC_COOKIE_SPT);
1344 if (ppt_idx > ATH12K_NUM_RX_SPT_PAGES ||
1345 spt_idx > ATH12K_MAX_SPT_ENTRIES)
1348 desc_addr_ptr = ath12k_dp_cc_get_desc_addr_ptr(ab, ppt_idx, spt_idx);
1350 return *desc_addr_ptr;
1353 struct ath12k_tx_desc_info *ath12k_dp_get_tx_desc(struct ath12k_base *ab,
1356 struct ath12k_tx_desc_info **desc_addr_ptr;
1357 u16 ppt_idx, spt_idx;
1359 ppt_idx = u32_get_bits(cookie, ATH12K_DP_CC_COOKIE_PPT);
1360 spt_idx = u32_get_bits(cookie, ATH12k_DP_CC_COOKIE_SPT);
1362 if (ppt_idx < ATH12K_NUM_RX_SPT_PAGES ||
1363 ppt_idx > ab->dp.num_spt_pages ||
1364 spt_idx > ATH12K_MAX_SPT_ENTRIES)
1367 desc_addr_ptr = ath12k_dp_cc_get_desc_addr_ptr(ab, ppt_idx, spt_idx);
1369 return *desc_addr_ptr;
1372 static int ath12k_dp_cc_desc_init(struct ath12k_base *ab)
1374 struct ath12k_dp *dp = &ab->dp;
1375 struct ath12k_rx_desc_info *rx_descs, **rx_desc_addr;
1376 struct ath12k_tx_desc_info *tx_descs, **tx_desc_addr;
1377 u32 i, j, pool_id, tx_spt_page;
1380 spin_lock_bh(&dp->rx_desc_lock);
1382 /* First ATH12K_NUM_RX_SPT_PAGES of allocated SPT pages are used for RX */
1383 for (i = 0; i < ATH12K_NUM_RX_SPT_PAGES; i++) {
1384 rx_descs = kcalloc(ATH12K_MAX_SPT_ENTRIES, sizeof(*rx_descs),
1388 spin_unlock_bh(&dp->rx_desc_lock);
1392 dp->spt_info->rxbaddr[i] = &rx_descs[0];
1394 for (j = 0; j < ATH12K_MAX_SPT_ENTRIES; j++) {
1395 rx_descs[j].cookie = ath12k_dp_cc_cookie_gen(i, j);
1396 rx_descs[j].magic = ATH12K_DP_RX_DESC_MAGIC;
1397 list_add_tail(&rx_descs[j].list, &dp->rx_desc_free_list);
1399 /* Update descriptor VA in SPT */
1400 rx_desc_addr = ath12k_dp_cc_get_desc_addr_ptr(ab, i, j);
1401 *rx_desc_addr = &rx_descs[j];
1405 spin_unlock_bh(&dp->rx_desc_lock);
1407 for (pool_id = 0; pool_id < ATH12K_HW_MAX_QUEUES; pool_id++) {
1408 spin_lock_bh(&dp->tx_desc_lock[pool_id]);
1409 for (i = 0; i < ATH12K_TX_SPT_PAGES_PER_POOL; i++) {
1410 tx_descs = kcalloc(ATH12K_MAX_SPT_ENTRIES, sizeof(*tx_descs),
1414 spin_unlock_bh(&dp->tx_desc_lock[pool_id]);
1415 /* Caller takes care of TX pending and RX desc cleanup */
1419 tx_spt_page = i + pool_id * ATH12K_TX_SPT_PAGES_PER_POOL;
1420 dp->spt_info->txbaddr[tx_spt_page] = &tx_descs[0];
1422 for (j = 0; j < ATH12K_MAX_SPT_ENTRIES; j++) {
1423 ppt_idx = ATH12K_NUM_RX_SPT_PAGES + tx_spt_page;
1424 tx_descs[j].desc_id = ath12k_dp_cc_cookie_gen(ppt_idx, j);
1425 tx_descs[j].pool_id = pool_id;
1426 list_add_tail(&tx_descs[j].list,
1427 &dp->tx_desc_free_list[pool_id]);
1429 /* Update descriptor VA in SPT */
1431 ath12k_dp_cc_get_desc_addr_ptr(ab, ppt_idx, j);
1432 *tx_desc_addr = &tx_descs[j];
1435 spin_unlock_bh(&dp->tx_desc_lock[pool_id]);
1440 static int ath12k_dp_cc_init(struct ath12k_base *ab)
1442 struct ath12k_dp *dp = &ab->dp;
1446 INIT_LIST_HEAD(&dp->rx_desc_free_list);
1447 INIT_LIST_HEAD(&dp->rx_desc_used_list);
1448 spin_lock_init(&dp->rx_desc_lock);
1450 for (i = 0; i < ATH12K_HW_MAX_QUEUES; i++) {
1451 INIT_LIST_HEAD(&dp->tx_desc_free_list[i]);
1452 INIT_LIST_HEAD(&dp->tx_desc_used_list[i]);
1453 spin_lock_init(&dp->tx_desc_lock[i]);
1456 dp->num_spt_pages = ATH12K_NUM_SPT_PAGES;
1457 if (dp->num_spt_pages > ATH12K_MAX_PPT_ENTRIES)
1458 dp->num_spt_pages = ATH12K_MAX_PPT_ENTRIES;
1460 dp->spt_info = kcalloc(dp->num_spt_pages, sizeof(struct ath12k_spt_info),
1463 if (!dp->spt_info) {
1464 ath12k_warn(ab, "SPT page allocation failure");
1468 cmem_base = ab->qmi.dev_mem[ATH12K_QMI_DEVMEM_CMEM_INDEX].start;
1470 for (i = 0; i < dp->num_spt_pages; i++) {
1471 dp->spt_info[i].vaddr = dma_alloc_coherent(ab->dev,
1473 &dp->spt_info[i].paddr,
1476 if (!dp->spt_info[i].vaddr) {
1481 if (dp->spt_info[i].paddr & ATH12K_SPT_4K_ALIGN_CHECK) {
1482 ath12k_warn(ab, "SPT allocated memory is not 4K aligned");
1487 /* Write to PPT in CMEM */
1488 ath12k_hif_write32(ab, cmem_base + ATH12K_PPT_ADDR_OFFSET(i),
1489 dp->spt_info[i].paddr >> ATH12K_SPT_4K_ALIGN_OFFSET);
1492 ret = ath12k_dp_cc_desc_init(ab);
1494 ath12k_warn(ab, "HW CC desc init failed %d", ret);
1500 ath12k_dp_cc_cleanup(ab);
1504 static int ath12k_dp_reoq_lut_setup(struct ath12k_base *ab)
1506 struct ath12k_dp *dp = &ab->dp;
1508 if (!ab->hw_params->reoq_lut_support)
1511 dp->reoq_lut.vaddr = dma_alloc_coherent(ab->dev,
1513 &dp->reoq_lut.paddr,
1514 GFP_KERNEL | __GFP_ZERO);
1515 if (!dp->reoq_lut.vaddr) {
1516 ath12k_warn(ab, "failed to allocate memory for reoq table");
1520 ath12k_hif_write32(ab, HAL_SEQ_WCSS_UMAC_REO_REG + HAL_REO1_QDESC_LUT_BASE0(ab),
1521 dp->reoq_lut.paddr);
1525 int ath12k_dp_alloc(struct ath12k_base *ab)
1527 struct ath12k_dp *dp = &ab->dp;
1528 struct hal_srng *srng = NULL;
1530 u32 n_link_desc = 0;
1536 INIT_LIST_HEAD(&dp->reo_cmd_list);
1537 INIT_LIST_HEAD(&dp->reo_cmd_cache_flush_list);
1538 spin_lock_init(&dp->reo_cmd_lock);
1540 dp->reo_cmd_cache_flush_count = 0;
1542 ret = ath12k_wbm_idle_ring_setup(ab, &n_link_desc);
1544 ath12k_warn(ab, "failed to setup wbm_idle_ring: %d\n", ret);
1548 srng = &ab->hal.srng_list[dp->wbm_idle_ring.ring_id];
1550 ret = ath12k_dp_link_desc_setup(ab, dp->link_desc_banks,
1551 HAL_WBM_IDLE_LINK, srng, n_link_desc);
1553 ath12k_warn(ab, "failed to setup link desc: %d\n", ret);
1557 ret = ath12k_dp_cc_init(ab);
1560 ath12k_warn(ab, "failed to setup cookie converter %d\n", ret);
1561 goto fail_link_desc_cleanup;
1563 ret = ath12k_dp_init_bank_profiles(ab);
1565 ath12k_warn(ab, "failed to setup bank profiles %d\n", ret);
1566 goto fail_hw_cc_cleanup;
1569 ret = ath12k_dp_srng_common_setup(ab);
1571 goto fail_dp_bank_profiles_cleanup;
1573 size = sizeof(struct hal_wbm_release_ring_tx) * DP_TX_COMP_RING_SIZE;
1575 ret = ath12k_dp_reoq_lut_setup(ab);
1577 ath12k_warn(ab, "failed to setup reoq table %d\n", ret);
1578 goto fail_cmn_srng_cleanup;
1581 for (i = 0; i < ab->hw_params->max_tx_ring; i++) {
1582 dp->tx_ring[i].tcl_data_ring_id = i;
1584 dp->tx_ring[i].tx_status_head = 0;
1585 dp->tx_ring[i].tx_status_tail = DP_TX_COMP_RING_SIZE - 1;
1586 dp->tx_ring[i].tx_status = kmalloc(size, GFP_KERNEL);
1587 if (!dp->tx_ring[i].tx_status) {
1589 /* FIXME: The allocated tx status is not freed
1592 goto fail_cmn_reoq_cleanup;
1596 for (i = 0; i < HAL_DSCP_TID_MAP_TBL_NUM_ENTRIES_MAX; i++)
1597 ath12k_hal_tx_set_dscp_tid_map(ab, i);
1599 ret = ath12k_dp_rx_alloc(ab);
1601 goto fail_dp_rx_free;
1603 /* Init any SOC level resource for DP */
1608 ath12k_dp_rx_free(ab);
1610 fail_cmn_reoq_cleanup:
1611 ath12k_dp_reoq_lut_cleanup(ab);
1613 fail_cmn_srng_cleanup:
1614 ath12k_dp_srng_common_cleanup(ab);
1616 fail_dp_bank_profiles_cleanup:
1617 ath12k_dp_deinit_bank_profiles(ab);
1620 ath12k_dp_cc_cleanup(ab);
1622 fail_link_desc_cleanup:
1623 ath12k_dp_link_desc_cleanup(ab, dp->link_desc_banks,
1624 HAL_WBM_IDLE_LINK, &dp->wbm_idle_ring);