(patches split for easier review, see the cover letter for more)
Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxxxxxx>
---
drivers/net/wireless/ath/ath11k/hal_tx.c | 226 +++++++++++++++++++++++++++++++
1 file changed, 226 insertions(+)
diff --git a/drivers/net/wireless/ath/ath11k/hal_tx.c b/drivers/net/wireless/ath/ath11k/hal_tx.c
new file mode 100644
index 000000000000..bb27591023fe
--- /dev/null
+++ b/drivers/net/wireless/ath/ath11k/hal_tx.c
@@ -0,0 +1,226 @@
+// SPDX-License-Identifier: BSD-3-Clause-Clear
+/*
+ * Copyright (c) 2018-2019 The Linux Foundation. All rights reserved.
+ */
+
+#include "ahb.h"
+#include "hal.h"
+#include "hal_tx.h"
+
+#define DSCP_TID_MAP_TBL_ENTRY_SIZE 64
+
+/* dscp_tid_map - Default DSCP-TID mapping
+ *
+ * DSCP TID
+ * 000000 0
+ * 001000 1
+ * 010000 2
+ * 011000 3
+ * 100000 4
+ * 101000 5
+ * 110000 6
+ * 111000 7
+ */
+static const u8 dscp_tid_map[DSCP_TID_MAP_TBL_ENTRY_SIZE] = {
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 1, 1, 1, 1, 1, 1, 1, 1,
+ 2, 2, 2, 2, 2, 2, 2, 2,
+ 3, 3, 3, 3, 3, 3, 3, 3,
+ 4, 4, 4, 4, 4, 4, 4, 4,
+ 5, 5, 5, 5, 5, 5, 5, 5,
+ 6, 6, 6, 6, 6, 6, 6, 6,
+ 7, 7, 7, 7, 7, 7, 7, 7,
+};
+
+void ath11k_hal_tx_cmd_desc_setup(struct ath11k_base *ab, void *cmd,
+ struct hal_tx_info *ti)
+{
+ struct hal_tcl_data_cmd *tcl_cmd = (struct hal_tcl_data_cmd *)cmd;
+
+ tcl_cmd->buf_addr_info.info0 =
+ FIELD_PREP(BUFFER_ADDR_INFO0_ADDR, ti->paddr);
+ tcl_cmd->buf_addr_info.info1 =
+ FIELD_PREP(BUFFER_ADDR_INFO1_ADDR,
+ ((uint64_t)ti->paddr >> HAL_ADDR_MSB_REG_SHIFT));
+ tcl_cmd->buf_addr_info.info1 |=
+ FIELD_PREP(BUFFER_ADDR_INFO1_RET_BUF_MGR,
+ (ti->ring_id + HAL_RX_BUF_RBM_SW0_BM)) |
+ FIELD_PREP(BUFFER_ADDR_INFO1_SW_COOKIE, ti->desc_id);
+
+ tcl_cmd->info0 =
+ FIELD_PREP(HAL_TCL_DATA_CMD_INFO0_DESC_TYPE, ti->type) |
+ FIELD_PREP(HAL_TCL_DATA_CMD_INFO0_ENCAP_TYPE, ti->encap_type) |
+ FIELD_PREP(HAL_TCL_DATA_CMD_INFO0_ENCRYPT_TYPE,
+ ti->encrypt_type) |
+ FIELD_PREP(HAL_TCL_DATA_CMD_INFO0_ADDRX_EN,
+ ti->addr_search_flags) |
+ FIELD_PREP(HAL_TCL_DATA_CMD_INFO0_ADDRY_EN,
+ ti->addr_search_flags) |
+ FIELD_PREP(HAL_TCL_DATA_CMD_INFO0_CMD_NUM,
+ ti->meta_data_flags);
+
+ tcl_cmd->info1 = ti->flags0 |
+ FIELD_PREP(HAL_TCL_DATA_CMD_INFO1_DATA_LEN, ti->data_len) |
+ FIELD_PREP(HAL_TCL_DATA_CMD_INFO1_PKT_OFFSET, ti->pkt_offset);
+
+ tcl_cmd->info2 = ti->flags1 |
+ FIELD_PREP(HAL_TCL_DATA_CMD_INFO2_TID, ti->tid) |
+ FIELD_PREP(HAL_TCL_DATA_CMD_INFO2_LMAC_ID, ti->lmac_id);
+
+ tcl_cmd->info3 = FIELD_PREP(HAL_TCL_DATA_CMD_INFO3_DSCP_TID_TABLE_IDX,
+ ti->dscp_tid_tbl_idx) |
+ FIELD_PREP(HAL_TCL_DATA_CMD_INFO3_SEARCH_INDEX,
+ ti->bss_ast_hash);
+}
+
+/* Commit the descriptor to hardware */
+void ath11k_hal_tx_desc_sync(void *tx_desc_cached, void *hw_desc)
+{
+ memcpy(hw_desc + sizeof(struct hal_tlv_hdr), tx_desc_cached,
+ sizeof(struct hal_tcl_data_cmd));
+}
+
+/* Get the descriptor status from hardware */
+void ath11k_hal_tx_status_desc_sync(void *hw_desc, void *local_desc)
+{
+ memcpy(local_desc, hw_desc, HAL_TX_STATUS_DESC_LEN);
+}
+
+void ath11k_hal_tx_status_parse(struct ath11k_base *ab,
+ struct hal_wbm_release_ring *desc,
+ struct hal_tx_status *ts)
+{
+ ts->buf_rel_source =
+ FIELD_GET(HAL_WBM_RELEASE_INFO0_REL_SRC_MODULE, desc->info0);
+ if (ts->buf_rel_source != HAL_WBM_REL_SRC_MODULE_FW &&
+ ts->buf_rel_source != HAL_WBM_REL_SRC_MODULE_TQM)
+ return;
+
+ ts->desc_id = FIELD_GET(BUFFER_ADDR_INFO1_SW_COOKIE,
+ desc->buf_addr_info.info1);
+
+ if (ts->buf_rel_source == HAL_WBM_REL_SRC_MODULE_FW)
+ return;
+
+ ts->status = FIELD_GET(HAL_WBM_RELEASE_INFO0_TQM_RELEASE_REASON,
+ desc->info0);
+ ts->ppdu_id = FIELD_GET(HAL_WBM_RELEASE_INFO1_TQM_STATUS_NUMBER,
+ desc->info1);
+ ts->try_cnt = FIELD_GET(HAL_WBM_RELEASE_INFO1_TRANSMIT_COUNT,
+ desc->info1);
+
+ ts->ack_rssi = FIELD_GET(HAL_WBM_RELEASE_INFO2_ACK_FRAME_RSSI,
+ desc->info2);
+ if (desc->info2 & HAL_WBM_RELEASE_INFO2_FIRST_MSDU)
+ ts->flags |= HAL_TX_STATUS_FLAGS_FIRST_MSDU;
+
+ if (desc->info2 & HAL_WBM_RELEASE_INFO2_LAST_MSDU)
+ ts->flags |= HAL_TX_STATUS_FLAGS_LAST_MSDU;
+
+ if (desc->info2 & HAL_WBM_RELEASE_INFO2_MSDU_IN_AMSDU)
+ ts->flags |= HAL_TX_STATUS_FLAGS_MSDU_IN_AMSDU;
+
+ ts->peer_id = FIELD_GET(HAL_WBM_RELEASE_INFO3_PEER_ID, desc->info3);
+ ts->tid = FIELD_GET(HAL_WBM_RELEASE_INFO3_TID, desc->info3);
+
+ if (!(desc->rate_stats.info0 & HAL_TX_RATE_STATS_INFO0_VALID))
+ return;
+
+ ts->flags |= HAL_TX_STATUS_FLAGS_RATE_STATS_VALID;
+ ts->tsf = desc->rate_stats.tsf;
+ ts->bw = FIELD_GET(HAL_TX_RATE_STATS_INFO0_BW, desc->rate_stats.info0);
+ ts->pkt_type = FIELD_GET(HAL_TX_RATE_STATS_INFO0_PKT_TYPE,
+ desc->rate_stats.info0);
+ if (desc->rate_stats.info0 & HAL_TX_RATE_STATS_INFO0_STBC)
+ ts->flags |= HAL_TX_STATUS_FLAGS_RATE_STBC;
+ if (desc->rate_stats.info0 & HAL_TX_RATE_STATS_INFO0_LDPC)
+ ts->flags |= HAL_TX_STATUS_FLAGS_RATE_LDPC;
+ if (desc->rate_stats.info0 & HAL_TX_RATE_STATS_INFO0_OFDMA_TX)
+ ts->flags |= HAL_TX_STATUS_FLAGS_OFDMA;
+
+ ts->sgi = FIELD_GET(HAL_TX_RATE_STATS_INFO0_SGI,
+ desc->rate_stats.info0);
+ ts->mcs = FIELD_GET(HAL_TX_RATE_STATS_INFO0_MCS,
+ desc->rate_stats.info0);
+ ts->num_tones_in_ru = FIELD_GET(HAL_TX_RATE_STATS_INFO0_TONES_IN_RU,
+ desc->rate_stats.info0);
+}
+
+void ath11k_hal_tx_set_dscp_tid_map(struct ath11k_base *ab, int id)
+{
+ u32 ctrl_reg_val;
+ u32 addr;
+ u8 hw_map_val[HAL_DSCP_TID_TBL_SIZE];
+ int i;
+ u32 value;
+ int cnt = 0;
+
+ ctrl_reg_val = ath11k_ahb_read32(ab, HAL_SEQ_WCSS_UMAC_TCL_REG +
+ HAL_TCL1_RING_CMN_CTRL_REG);
+ /* Enable read/write access */
+ ctrl_reg_val |= HAL_TCL1_RING_CMN_CTRL_DSCP_TID_MAP_PROG_EN;
+ ath11k_ahb_write32(ab, HAL_SEQ_WCSS_UMAC_TCL_REG +
+ HAL_TCL1_RING_CMN_CTRL_REG, ctrl_reg_val);
+
+ addr = HAL_SEQ_WCSS_UMAC_TCL_REG + HAL_TCL1_RING_DSCP_TID_MAP +
+ (4 * id * (HAL_DSCP_TID_TBL_SIZE / 4));
+
+ /* Configure each DSCP-TID mapping in three bits there by configure
+ * three bytes in an iteration.
+ */
+ for (i = 0; i < DSCP_TID_MAP_TBL_ENTRY_SIZE; i += 8) {
+ value = FIELD_PREP(HAL_TCL1_RING_FIELD_DSCP_TID_MAP0,
+ dscp_tid_map[i]) |
+ FIELD_PREP(HAL_TCL1_RING_FIELD_DSCP_TID_MAP1,
+ dscp_tid_map[i + 1]) |
+ FIELD_PREP(HAL_TCL1_RING_FIELD_DSCP_TID_MAP2,
+ dscp_tid_map[i + 2]) |
+ FIELD_PREP(HAL_TCL1_RING_FIELD_DSCP_TID_MAP3,
+ dscp_tid_map[i + 3]) |
+ FIELD_PREP(HAL_TCL1_RING_FIELD_DSCP_TID_MAP4,
+ dscp_tid_map[i + 4]) |
+ FIELD_PREP(HAL_TCL1_RING_FIELD_DSCP_TID_MAP5,
+ dscp_tid_map[i + 5]) |
+ FIELD_PREP(HAL_TCL1_RING_FIELD_DSCP_TID_MAP6,
+ dscp_tid_map[i + 6]) |
+ FIELD_PREP(HAL_TCL1_RING_FIELD_DSCP_TID_MAP7,
+ dscp_tid_map[i + 7]);
+ memcpy(&hw_map_val[cnt], (u8 *)&value, 3);
+ cnt += 3;
+ }
+
+ for (i = 0; i < HAL_DSCP_TID_TBL_SIZE; i += 4) {
+ ath11k_ahb_write32(ab, addr, *(u32 *)&hw_map_val[i]);
+ addr += 4;
+ }
+
+ /* Disable read/write access */
+ ctrl_reg_val = ath11k_ahb_read32(ab, HAL_SEQ_WCSS_UMAC_TCL_REG +
+ HAL_TCL1_RING_CMN_CTRL_REG);
+ ctrl_reg_val &= ~HAL_TCL1_RING_CMN_CTRL_DSCP_TID_MAP_PROG_EN;
+ ath11k_ahb_write32(ab, HAL_SEQ_WCSS_UMAC_TCL_REG +
+ HAL_TCL1_RING_CMN_CTRL_REG,
+ ctrl_reg_val);
+}
+
+void ath11k_hal_tx_init_data_ring(struct ath11k_base *ab, struct hal_srng *srng)
+{
+ struct hal_srng_params params;
+ struct hal_tlv_hdr *tlv;
+ int i, entry_size;
+ u8 *desc;
+
+ memset(¶ms, 0, sizeof(params));
+
+ entry_size = ath11k_hal_srng_get_entrysize(HAL_TCL_DATA);
+ ath11k_hal_srng_get_params(ab, srng, ¶ms);
+ desc = (u8 *)params.ring_base_vaddr;
+
+ for (i = 0; i < params.num_entries; i++) {
+ tlv = (struct hal_tlv_hdr *)desc;
+ tlv->tl = FIELD_PREP(HAL_TLV_HDR_TAG, HAL_TCL_DATA_CMD) |
+ FIELD_PREP(HAL_TLV_HDR_LEN,
+ sizeof(struct hal_tcl_data_cmd));
+ desc += entry_size;
+ }
+}
