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path: root/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c
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Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c84
1 files changed, 39 insertions, 45 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c b/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c
index 1f483f15c238..df0545f09da9 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c
@@ -1,7 +1,7 @@
// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
/*
* Copyright (C) 2017 Intel Deutschland GmbH
- * Copyright (C) 2018-2020, 2023-2024 Intel Corporation
+ * Copyright (C) 2018-2020, 2023-2025 Intel Corporation
*/
#include <net/tso.h>
#include <linux/tcp.h>
@@ -18,13 +18,12 @@
static struct page *get_workaround_page(struct iwl_trans *trans,
struct sk_buff *skb)
{
- struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
struct iwl_tso_page_info *info;
struct page **page_ptr;
struct page *ret;
dma_addr_t phys;
- page_ptr = (void *)((u8 *)skb->cb + trans_pcie->txqs.page_offs);
+ page_ptr = (void *)((u8 *)skb->cb + trans->conf.cb_data_offs);
ret = alloc_page(GFP_ATOMIC);
if (!ret)
@@ -164,7 +163,7 @@ static int iwl_txq_gen2_build_amsdu(struct iwl_trans *trans,
struct iwl_device_tx_cmd *dev_cmd)
{
#ifdef CONFIG_INET
- struct iwl_tx_cmd_gen2 *tx_cmd = (void *)dev_cmd->payload;
+ struct iwl_tx_cmd_v9 *tx_cmd = (void *)dev_cmd->payload;
struct ieee80211_hdr *hdr = (void *)skb->data;
unsigned int snap_ip_tcp_hdrlen, ip_hdrlen, total_len, hdr_room;
unsigned int mss = skb_shinfo(skb)->gso_size;
@@ -188,7 +187,8 @@ static int iwl_txq_gen2_build_amsdu(struct iwl_trans *trans,
(3 + snap_ip_tcp_hdrlen + sizeof(struct ethhdr));
/* Our device supports 9 segments at most, it will fit in 1 page */
- sgt = iwl_pcie_prep_tso(trans, skb, out_meta, &start_hdr, hdr_room);
+ sgt = iwl_pcie_prep_tso(trans, skb, out_meta, &start_hdr, hdr_room,
+ snap_ip_tcp_hdrlen + hdr_len);
if (!sgt)
return -ENOMEM;
@@ -347,6 +347,7 @@ iwl_tfh_tfd *iwl_txq_gen2_build_tx_amsdu(struct iwl_trans *trans,
return tfd;
out_err:
+ iwl_pcie_free_tso_pages(trans, skb, out_meta);
iwl_txq_gen2_tfd_unmap(trans, out_meta, tfd);
return NULL;
}
@@ -489,21 +490,21 @@ struct iwl_tfh_tfd *iwl_txq_gen2_build_tfd(struct iwl_trans *trans,
bool amsdu;
/* There must be data left over for TB1 or this code must be changed */
- BUILD_BUG_ON(sizeof(struct iwl_tx_cmd_gen2) < IWL_FIRST_TB_SIZE);
+ BUILD_BUG_ON(sizeof(struct iwl_tx_cmd_v9) < IWL_FIRST_TB_SIZE);
BUILD_BUG_ON(sizeof(struct iwl_cmd_header) +
- offsetofend(struct iwl_tx_cmd_gen2, dram_info) >
+ offsetofend(struct iwl_tx_cmd_v9, dram_info) >
IWL_FIRST_TB_SIZE);
- BUILD_BUG_ON(sizeof(struct iwl_tx_cmd_gen3) < IWL_FIRST_TB_SIZE);
+ BUILD_BUG_ON(sizeof(struct iwl_tx_cmd) < IWL_FIRST_TB_SIZE);
BUILD_BUG_ON(sizeof(struct iwl_cmd_header) +
- offsetofend(struct iwl_tx_cmd_gen3, dram_info) >
+ offsetofend(struct iwl_tx_cmd, dram_info) >
IWL_FIRST_TB_SIZE);
memset(tfd, 0, sizeof(*tfd));
- if (trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_AX210)
- len = sizeof(struct iwl_tx_cmd_gen2);
+ if (trans->mac_cfg->device_family < IWL_DEVICE_FAMILY_AX210)
+ len = sizeof(struct iwl_tx_cmd_v9);
else
- len = sizeof(struct iwl_tx_cmd_gen3);
+ len = sizeof(struct iwl_tx_cmd);
amsdu = ieee80211_is_data_qos(hdr->frame_control) &&
(*ieee80211_get_qos_ctl(hdr) &
@@ -534,17 +535,17 @@ int iwl_txq_space(struct iwl_trans *trans, const struct iwl_txq *q)
* If q->n_window is smaller than max_tfd_queue_size, there is no need
* to reserve any queue entries for this purpose.
*/
- if (q->n_window < trans->trans_cfg->base_params->max_tfd_queue_size)
+ if (q->n_window < trans->mac_cfg->base->max_tfd_queue_size)
max = q->n_window;
else
- max = trans->trans_cfg->base_params->max_tfd_queue_size - 1;
+ max = trans->mac_cfg->base->max_tfd_queue_size - 1;
/*
* max_tfd_queue_size is a power of 2, so the following is equivalent to
* modulo by max_tfd_queue_size and is well defined.
*/
used = (q->write_ptr - q->read_ptr) &
- (trans->trans_cfg->base_params->max_tfd_queue_size - 1);
+ (trans->mac_cfg->base->max_tfd_queue_size - 1);
if (WARN_ON(used > max))
return 0;
@@ -559,8 +560,8 @@ static void iwl_pcie_gen2_update_byte_tbl(struct iwl_trans *trans,
struct iwl_txq *txq, u16 byte_cnt,
int num_tbs)
{
- struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
int idx = iwl_txq_get_cmd_index(txq, txq->write_ptr);
+ struct iwl_bc_tbl_entry *scd_bc_tbl = txq->bc_tbl.addr;
u8 filled_tfd_size, num_fetch_chunks;
u16 len = byte_cnt;
__le16 bc_ent;
@@ -580,24 +581,16 @@ static void iwl_pcie_gen2_update_byte_tbl(struct iwl_trans *trans,
*/
num_fetch_chunks = DIV_ROUND_UP(filled_tfd_size, 64) - 1;
- if (trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210) {
- struct iwl_gen3_bc_tbl_entry *scd_bc_tbl_gen3 = txq->bc_tbl.addr;
-
- /* Starting from AX210, the HW expects bytes */
- WARN_ON(trans_pcie->txqs.bc_table_dword);
+ if (trans->mac_cfg->device_family >= IWL_DEVICE_FAMILY_AX210) {
WARN_ON(len > 0x3FFF);
bc_ent = cpu_to_le16(len | (num_fetch_chunks << 14));
- scd_bc_tbl_gen3[idx].tfd_offset = bc_ent;
} else {
- struct iwlagn_scd_bc_tbl *scd_bc_tbl = txq->bc_tbl.addr;
-
- /* Before AX210, the HW expects DW */
- WARN_ON(!trans_pcie->txqs.bc_table_dword);
len = DIV_ROUND_UP(len, 4);
WARN_ON(len > 0xFFF);
bc_ent = cpu_to_le16(len | (num_fetch_chunks << 12));
- scd_bc_tbl->tfd_offset[idx] = bc_ent;
}
+
+ scd_bc_tbl[idx].tfd_offset = bc_ent;
}
static u8 iwl_txq_gen2_get_num_tbs(struct iwl_tfh_tfd *tfd)
@@ -754,7 +747,8 @@ int iwl_txq_gen2_tx(struct iwl_trans *trans, struct sk_buff *skb,
struct iwl_device_tx_cmd **dev_cmd_ptr;
dev_cmd_ptr = (void *)((u8 *)skb->cb +
- trans_pcie->txqs.dev_cmd_offs);
+ trans->conf.cb_data_offs +
+ sizeof(void *));
*dev_cmd_ptr = dev_cmd;
__skb_queue_tail(&txq->overflow_q, skb);
@@ -783,16 +777,16 @@ int iwl_txq_gen2_tx(struct iwl_trans *trans, struct sk_buff *skb,
return -1;
}
- if (trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210) {
- struct iwl_tx_cmd_gen3 *tx_cmd_gen3 =
+ if (trans->mac_cfg->device_family >= IWL_DEVICE_FAMILY_AX210) {
+ struct iwl_tx_cmd *tx_cmd =
(void *)dev_cmd->payload;
- cmd_len = le16_to_cpu(tx_cmd_gen3->len);
+ cmd_len = le16_to_cpu(tx_cmd->len);
} else {
- struct iwl_tx_cmd_gen2 *tx_cmd_gen2 =
+ struct iwl_tx_cmd_v9 *tx_cmd_v9 =
(void *)dev_cmd->payload;
- cmd_len = le16_to_cpu(tx_cmd_gen2->len);
+ cmd_len = le16_to_cpu(tx_cmd_v9->len);
}
/* Set up entry for this TFD in Tx byte-count array */
@@ -830,7 +824,7 @@ static void iwl_txq_gen2_unmap(struct iwl_trans *trans, int txq_id)
IWL_DEBUG_TX_REPLY(trans, "Q %d Free %d\n",
txq_id, txq->read_ptr);
- if (txq_id != trans_pcie->txqs.cmd.q_id) {
+ if (txq_id != trans->conf.cmd_queue) {
int idx = iwl_txq_get_cmd_index(txq, txq->read_ptr);
struct iwl_cmd_meta *cmd_meta = &txq->entries[idx].meta;
struct sk_buff *skb = txq->entries[idx].skb;
@@ -904,12 +898,12 @@ static void iwl_txq_gen2_free(struct iwl_trans *trans, int txq_id)
iwl_txq_gen2_unmap(trans, txq_id);
/* De-alloc array of command/tx buffers */
- if (txq_id == trans_pcie->txqs.cmd.q_id)
+ if (txq_id == trans->conf.cmd_queue)
for (i = 0; i < txq->n_window; i++) {
kfree_sensitive(txq->entries[i].cmd);
kfree_sensitive(txq->entries[i].free_buf);
}
- del_timer_sync(&txq->stuck_timer);
+ timer_delete_sync(&txq->stuck_timer);
iwl_txq_gen2_free_memory(trans, txq);
@@ -1005,7 +999,7 @@ static int iwl_pcie_txq_alloc_response(struct iwl_trans *trans,
txq->id = qid;
trans_pcie->txqs.txq[qid] = txq;
- wr_ptr &= (trans->trans_cfg->base_params->max_tfd_queue_size - 1);
+ wr_ptr &= (trans->mac_cfg->base->max_tfd_queue_size - 1);
/* Place first TFD at index corresponding to start sequence number */
txq->read_ptr = wr_ptr;
@@ -1041,8 +1035,8 @@ int iwl_txq_dyn_alloc(struct iwl_trans *trans, u32 flags, u32 sta_mask,
/* but must be power of 2 values for calculating read/write pointers */
size = rounddown_pow_of_two(size);
- if (trans->trans_cfg->device_family == IWL_DEVICE_FAMILY_BZ &&
- trans->hw_rev_step == SILICON_A_STEP) {
+ if (trans->mac_cfg->device_family == IWL_DEVICE_FAMILY_BZ &&
+ trans->info.hw_rev_step == SILICON_A_STEP) {
size = 4096;
txq = iwl_txq_dyn_alloc_dma(trans, size, timeout);
} else {
@@ -1062,7 +1056,7 @@ int iwl_txq_dyn_alloc(struct iwl_trans *trans, u32 flags, u32 sta_mask,
if (IS_ERR(txq))
return PTR_ERR(txq);
- if (trans_pcie->txqs.queue_alloc_cmd_ver == 0) {
+ if (trans->conf.queue_alloc_cmd_ver == 0) {
memset(&cmd.old, 0, sizeof(cmd.old));
cmd.old.tfdq_addr = cpu_to_le64(txq->dma_addr);
cmd.old.byte_cnt_addr = cpu_to_le64(txq->bc_tbl.dma);
@@ -1079,7 +1073,7 @@ int iwl_txq_dyn_alloc(struct iwl_trans *trans, u32 flags, u32 sta_mask,
hcmd.id = SCD_QUEUE_CFG;
hcmd.len[0] = sizeof(cmd.old);
hcmd.data[0] = &cmd.old;
- } else if (trans_pcie->txqs.queue_alloc_cmd_ver == 3) {
+ } else if (trans->conf.queue_alloc_cmd_ver == 3) {
memset(&cmd.new, 0, sizeof(cmd.new));
cmd.new.operation = cpu_to_le32(IWL_SCD_QUEUE_ADD);
cmd.new.u.add.tfdq_dram_addr = cpu_to_le64(txq->dma_addr);
@@ -1174,7 +1168,7 @@ int iwl_txq_gen2_init(struct iwl_trans *trans, int txq_id, int queue_size)
}
ret = iwl_txq_init(trans, queue, queue_size,
- (txq_id == trans_pcie->txqs.cmd.q_id));
+ (txq_id == trans->conf.cmd_queue));
if (ret) {
IWL_ERR(trans, "Tx %d queue alloc failed\n", txq_id);
goto error;
@@ -1204,7 +1198,7 @@ int iwl_pcie_gen2_enqueue_hcmd(struct iwl_trans *trans,
struct iwl_host_cmd *cmd)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
- struct iwl_txq *txq = trans_pcie->txqs.txq[trans_pcie->txqs.cmd.q_id];
+ struct iwl_txq *txq = trans_pcie->txqs.txq[trans->conf.cmd_queue];
struct iwl_device_cmd *out_cmd;
struct iwl_cmd_meta *out_meta;
void *dup_buf = NULL;
@@ -1321,7 +1315,7 @@ int iwl_pcie_gen2_enqueue_hcmd(struct iwl_trans *trans,
cpu_to_le16(cmd_size - sizeof(struct iwl_cmd_header_wide));
out_cmd->hdr_wide.reserved = 0;
out_cmd->hdr_wide.sequence =
- cpu_to_le16(QUEUE_TO_SEQ(trans_pcie->txqs.cmd.q_id) |
+ cpu_to_le16(QUEUE_TO_SEQ(trans->conf.cmd_queue) |
INDEX_TO_SEQ(txq->write_ptr));
cmd_pos = sizeof(struct iwl_cmd_header_wide);
@@ -1369,7 +1363,7 @@ int iwl_pcie_gen2_enqueue_hcmd(struct iwl_trans *trans,
"Sending command %s (%.2x.%.2x), seq: 0x%04X, %d bytes at %d[%d]:%d\n",
iwl_get_cmd_string(trans, cmd->id), group_id,
out_cmd->hdr.cmd, le16_to_cpu(out_cmd->hdr.sequence),
- cmd_size, txq->write_ptr, idx, trans_pcie->txqs.cmd.q_id);
+ cmd_size, txq->write_ptr, idx, trans->conf.cmd_queue);
/* start the TFD with the minimum copy bytes */
tb0_size = min_t(int, copy_size, IWL_FIRST_TB_SIZE);
generated by cgit v1.2.3 (git 2.39.0) at 2025-09-21 13:42:51 +0300