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path: root/drivers/net/wireless/intel/iwlwifi/pcie
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Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/pcie')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/pcie/internal.h12
-rw-r--r--drivers/net/wireless/intel/iwlwifi/pcie/trans.c17
-rw-r--r--drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c13
-rw-r--r--drivers/net/wireless/intel/iwlwifi/pcie/tx.c26
4 files changed, 20 insertions, 48 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/internal.h b/drivers/net/wireless/intel/iwlwifi/pcie/internal.h
index 032e858ce7a3..9873b63301f6 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/internal.h
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/internal.h
@@ -80,12 +80,6 @@
#include "iwl-op-mode.h"
#include "iwl-drv.h"
-/* We need 2 entries for the TX command and header, and another one might
- * be needed for potential data in the SKB's head. The remaining ones can
- * be used for frags.
- */
-#define IWL_PCIE_MAX_FRAGS(x) (x->max_tbs - 3)
-
/*
* RX related structures and functions
*/
@@ -469,8 +463,6 @@ struct iwl_trans_pcie {
u8 def_rx_queue;
u8 n_no_reclaim_cmds;
u8 no_reclaim_cmds[MAX_NO_RECLAIM_CMDS];
- u8 max_tbs;
- u16 tfd_size;
u16 num_rx_bufs;
enum iwl_amsdu_size rx_buf_size;
@@ -807,12 +799,10 @@ static inline u16 iwl_pcie_get_cmd_index(const struct iwl_txq *q, u32 index)
static inline void *iwl_pcie_get_tfd(struct iwl_trans *trans,
struct iwl_txq *txq, int idx)
{
- struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
-
if (trans->trans_cfg->use_tfh)
idx = iwl_pcie_get_cmd_index(txq, idx);
- return txq->tfds + trans_pcie->tfd_size * idx;
+ return txq->tfds + trans->txqs.tfd.size * idx;
}
static inline const char *queue_name(struct device *dev,
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c
index 354ec140f448..994f17616159 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c
@@ -2989,11 +2989,10 @@ static void iwl_trans_pcie_debugfs_cleanup(struct iwl_trans *trans)
static u32 iwl_trans_pcie_get_cmdlen(struct iwl_trans *trans, void *tfd)
{
- struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
u32 cmdlen = 0;
int i;
- for (i = 0; i < trans_pcie->max_tbs; i++)
+ for (i = 0; i < trans->txqs.tfd.max_tbs; i++)
cmdlen += iwl_pcie_tfd_tb_get_len(trans, tfd, i);
return cmdlen;
@@ -3333,7 +3332,7 @@ static struct iwl_trans_dump_data
data = (void *)dump_data->data;
if (dump_mask & BIT(IWL_FW_ERROR_DUMP_TXCMD) && cmdq) {
- u16 tfd_size = trans_pcie->tfd_size;
+ u16 tfd_size = trans->txqs.tfd.size;
data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_TXCMD);
txcmd = (void *)data->data;
@@ -3555,19 +3554,9 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev,
trans_pcie->def_rx_queue = 0;
- if (cfg_trans->use_tfh) {
- addr_size = 64;
- trans_pcie->max_tbs = IWL_TFH_NUM_TBS;
- trans_pcie->tfd_size = sizeof(struct iwl_tfh_tfd);
- } else {
- addr_size = 36;
- trans_pcie->max_tbs = IWL_NUM_OF_TBS;
- trans_pcie->tfd_size = sizeof(struct iwl_tfd);
- }
- trans->max_skb_frags = IWL_PCIE_MAX_FRAGS(trans_pcie);
-
pci_set_master(pdev);
+ addr_size = trans->txqs.tfd.addr_size;
ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(addr_size));
if (!ret)
ret = pci_set_consistent_dma_mask(pdev,
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c b/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c
index 8b2275bf301c..328b48597770 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c
@@ -158,13 +158,12 @@ static void iwl_pcie_gen2_tfd_unmap(struct iwl_trans *trans,
struct iwl_cmd_meta *meta,
struct iwl_tfh_tfd *tfd)
{
- struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
int i, num_tbs;
/* Sanity check on number of chunks */
num_tbs = iwl_pcie_gen2_get_num_tbs(trans, tfd);
- if (num_tbs > trans_pcie->max_tbs) {
+ if (num_tbs > trans->txqs.tfd.max_tbs) {
IWL_ERR(trans, "Too many chunks: %i\n", num_tbs);
return;
}
@@ -219,7 +218,6 @@ static int iwl_pcie_gen2_set_tb(struct iwl_trans *trans,
struct iwl_tfh_tfd *tfd, dma_addr_t addr,
u16 len)
{
- struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
int idx = iwl_pcie_gen2_get_num_tbs(trans, tfd);
struct iwl_tfh_tb *tb;
@@ -239,9 +237,9 @@ static int iwl_pcie_gen2_set_tb(struct iwl_trans *trans,
tb = &tfd->tbs[idx];
/* Each TFD can point to a maximum max_tbs Tx buffers */
- if (le16_to_cpu(tfd->num_tbs) >= trans_pcie->max_tbs) {
+ if (le16_to_cpu(tfd->num_tbs) >= trans->txqs.tfd.max_tbs) {
IWL_ERR(trans, "Error can not send more than %d chunks\n",
- trans_pcie->max_tbs);
+ trans->txqs.tfd.max_tbs);
return -EINVAL;
}
@@ -730,7 +728,7 @@ int iwl_trans_pcie_gen2_tx(struct iwl_trans *trans, struct sk_buff *skb,
return -EINVAL;
if (skb_is_nonlinear(skb) &&
- skb_shinfo(skb)->nr_frags > IWL_PCIE_MAX_FRAGS(trans_pcie) &&
+ skb_shinfo(skb)->nr_frags > IWL_TRANS_MAX_FRAGS(trans) &&
__skb_linearize(skb))
return -ENOMEM;
@@ -1210,13 +1208,12 @@ void iwl_pcie_gen2_txq_unmap(struct iwl_trans *trans, int txq_id)
void iwl_pcie_gen2_txq_free_memory(struct iwl_trans *trans,
struct iwl_txq *txq)
{
- struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
struct device *dev = trans->dev;
/* De-alloc circular buffer of TFDs */
if (txq->tfds) {
dma_free_coherent(dev,
- trans_pcie->tfd_size * txq->n_window,
+ trans->txqs.tfd.size * txq->n_window,
txq->tfds, txq->dma_addr);
dma_free_coherent(dev,
sizeof(*txq->first_tb_bufs) * txq->n_window,
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c
index eb396c06b7fb..63773d6f79b2 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c
@@ -401,14 +401,13 @@ static void iwl_pcie_tfd_unmap(struct iwl_trans *trans,
struct iwl_cmd_meta *meta,
struct iwl_txq *txq, int index)
{
- struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
int i, num_tbs;
void *tfd = iwl_pcie_get_tfd(trans, txq, index);
/* Sanity check on number of chunks */
num_tbs = iwl_pcie_tfd_get_num_tbs(trans, tfd);
- if (num_tbs > trans_pcie->max_tbs) {
+ if (num_tbs > trans->txqs.tfd.max_tbs) {
IWL_ERR(trans, "Too many chunks: %i\n", num_tbs);
/* @todo issue fatal error, it is quite serious situation */
return;
@@ -489,21 +488,20 @@ void iwl_pcie_txq_free_tfd(struct iwl_trans *trans, struct iwl_txq *txq)
static int iwl_pcie_txq_build_tfd(struct iwl_trans *trans, struct iwl_txq *txq,
dma_addr_t addr, u16 len, bool reset)
{
- struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
void *tfd;
u32 num_tbs;
- tfd = txq->tfds + trans_pcie->tfd_size * txq->write_ptr;
+ tfd = txq->tfds + trans->txqs.tfd.size * txq->write_ptr;
if (reset)
- memset(tfd, 0, trans_pcie->tfd_size);
+ memset(tfd, 0, trans->txqs.tfd.size);
num_tbs = iwl_pcie_tfd_get_num_tbs(trans, tfd);
/* Each TFD can point to a maximum max_tbs Tx buffers */
- if (num_tbs >= trans_pcie->max_tbs) {
+ if (num_tbs >= trans->txqs.tfd.max_tbs) {
IWL_ERR(trans, "Error can not send more than %d chunks\n",
- trans_pcie->max_tbs);
+ trans->txqs.tfd.max_tbs);
return -EINVAL;
}
@@ -519,8 +517,7 @@ static int iwl_pcie_txq_build_tfd(struct iwl_trans *trans, struct iwl_txq *txq,
int iwl_pcie_txq_alloc(struct iwl_trans *trans, struct iwl_txq *txq,
int slots_num, bool cmd_queue)
{
- struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
- size_t tfd_sz = trans_pcie->tfd_size *
+ size_t tfd_sz = trans->txqs.tfd.size *
trans->trans_cfg->base_params->max_tfd_queue_size;
size_t tb0_buf_sz;
int i;
@@ -529,7 +526,7 @@ int iwl_pcie_txq_alloc(struct iwl_trans *trans, struct iwl_txq *txq,
return -EINVAL;
if (trans->trans_cfg->use_tfh)
- tfd_sz = trans_pcie->tfd_size * slots_num;
+ tfd_sz = trans->txqs.tfd.size * slots_num;
timer_setup(&txq->stuck_timer, iwl_pcie_txq_stuck_timer, 0);
txq->trans = trans;
@@ -708,7 +705,6 @@ static void iwl_pcie_txq_unmap(struct iwl_trans *trans, int txq_id)
*/
static void iwl_pcie_txq_free(struct iwl_trans *trans, int txq_id)
{
- struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
struct iwl_txq *txq = trans->txqs.txq[txq_id];
struct device *dev = trans->dev;
int i;
@@ -728,7 +724,7 @@ static void iwl_pcie_txq_free(struct iwl_trans *trans, int txq_id)
/* De-alloc circular buffer of TFDs */
if (txq->tfds) {
dma_free_coherent(dev,
- trans_pcie->tfd_size *
+ trans->txqs.tfd.size *
trans->trans_cfg->base_params->max_tfd_queue_size,
txq->tfds, txq->dma_addr);
txq->dma_addr = 0;
@@ -2143,7 +2139,7 @@ static int iwl_fill_data_tbs_amsdu(struct iwl_trans *trans, struct sk_buff *skb,
trace_iwlwifi_dev_tx(trans->dev, skb,
iwl_pcie_get_tfd(trans, txq, txq->write_ptr),
- trans_pcie->tfd_size,
+ trans->txqs.tfd.size,
&dev_cmd->hdr, IWL_FIRST_TB_SIZE + tb1_len, 0);
ip_hdrlen = skb_transport_header(skb) - skb_network_header(skb);
@@ -2352,7 +2348,7 @@ int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb,
}
if (skb_is_nonlinear(skb) &&
- skb_shinfo(skb)->nr_frags > IWL_PCIE_MAX_FRAGS(trans_pcie) &&
+ skb_shinfo(skb)->nr_frags > IWL_TRANS_MAX_FRAGS(trans) &&
__skb_linearize(skb))
return -ENOMEM;
@@ -2454,7 +2450,7 @@ int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb,
trace_iwlwifi_dev_tx(trans->dev, skb,
iwl_pcie_get_tfd(trans, txq,
txq->write_ptr),
- trans_pcie->tfd_size,
+ trans->txqs.tfd.size,
&dev_cmd->hdr, IWL_FIRST_TB_SIZE + tb1_len,
hdr_len);
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-16 11:50:40 +0300