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path: root/drivers/net/wireless/ath/ath10k/htt_tx.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath10k/htt_tx.c')
-rw-r--r--drivers/net/wireless/ath/ath10k/htt_tx.c145
1 files changed, 123 insertions, 22 deletions
diff --git a/drivers/net/wireless/ath/ath10k/htt_tx.c b/drivers/net/wireless/ath/ath10k/htt_tx.c
index a60ef7d1d5fc..43aa5e2d1b87 100644
--- a/drivers/net/wireless/ath/ath10k/htt_tx.c
+++ b/drivers/net/wireless/ath/ath10k/htt_tx.c
@@ -63,7 +63,8 @@ int ath10k_htt_tx_alloc_msdu_id(struct ath10k_htt *htt, struct sk_buff *skb)
lockdep_assert_held(&htt->tx_lock);
- ret = idr_alloc(&htt->pending_tx, skb, 0, 0x10000, GFP_ATOMIC);
+ ret = idr_alloc(&htt->pending_tx, skb, 0,
+ htt->max_num_pending_tx, GFP_ATOMIC);
ath10k_dbg(ar, ATH10K_DBG_HTT, "htt tx alloc msdu_id %d\n", ret);
@@ -84,6 +85,7 @@ void ath10k_htt_tx_free_msdu_id(struct ath10k_htt *htt, u16 msdu_id)
int ath10k_htt_tx_alloc(struct ath10k_htt *htt)
{
struct ath10k *ar = htt->ar;
+ int ret, size;
ath10k_dbg(ar, ATH10K_DBG_BOOT, "htt tx max num pending tx %d\n",
htt->max_num_pending_tx);
@@ -94,11 +96,31 @@ int ath10k_htt_tx_alloc(struct ath10k_htt *htt)
htt->tx_pool = dma_pool_create("ath10k htt tx pool", htt->ar->dev,
sizeof(struct ath10k_htt_txbuf), 4, 0);
if (!htt->tx_pool) {
- idr_destroy(&htt->pending_tx);
- return -ENOMEM;
+ ret = -ENOMEM;
+ goto free_idr_pending_tx;
+ }
+
+ if (!ar->hw_params.continuous_frag_desc)
+ goto skip_frag_desc_alloc;
+
+ size = htt->max_num_pending_tx * sizeof(struct htt_msdu_ext_desc);
+ htt->frag_desc.vaddr = dma_alloc_coherent(ar->dev, size,
+ &htt->frag_desc.paddr,
+ GFP_DMA);
+ if (!htt->frag_desc.vaddr) {
+ ath10k_warn(ar, "failed to alloc fragment desc memory\n");
+ ret = -ENOMEM;
+ goto free_tx_pool;
}
+skip_frag_desc_alloc:
return 0;
+
+free_tx_pool:
+ dma_pool_destroy(htt->tx_pool);
+free_idr_pending_tx:
+ idr_destroy(&htt->pending_tx);
+ return ret;
}
static int ath10k_htt_tx_clean_up_pending(int msdu_id, void *skb, void *ctx)
@@ -112,18 +134,25 @@ static int ath10k_htt_tx_clean_up_pending(int msdu_id, void *skb, void *ctx)
tx_done.discard = 1;
tx_done.msdu_id = msdu_id;
- spin_lock_bh(&htt->tx_lock);
ath10k_txrx_tx_unref(htt, &tx_done);
- spin_unlock_bh(&htt->tx_lock);
return 0;
}
void ath10k_htt_tx_free(struct ath10k_htt *htt)
{
+ int size;
+
idr_for_each(&htt->pending_tx, ath10k_htt_tx_clean_up_pending, htt->ar);
idr_destroy(&htt->pending_tx);
dma_pool_destroy(htt->tx_pool);
+
+ if (htt->frag_desc.vaddr) {
+ size = htt->max_num_pending_tx *
+ sizeof(struct htt_msdu_ext_desc);
+ dma_free_coherent(htt->ar->dev, size, htt->frag_desc.vaddr,
+ htt->frag_desc.paddr);
+ }
}
void ath10k_htt_htc_tx_complete(struct ath10k *ar, struct sk_buff *skb)
@@ -201,6 +230,49 @@ int ath10k_htt_h2t_stats_req(struct ath10k_htt *htt, u8 mask, u64 cookie)
return 0;
}
+int ath10k_htt_send_frag_desc_bank_cfg(struct ath10k_htt *htt)
+{
+ struct ath10k *ar = htt->ar;
+ struct sk_buff *skb;
+ struct htt_cmd *cmd;
+ int ret, size;
+
+ if (!ar->hw_params.continuous_frag_desc)
+ return 0;
+
+ if (!htt->frag_desc.paddr) {
+ ath10k_warn(ar, "invalid frag desc memory\n");
+ return -EINVAL;
+ }
+
+ size = sizeof(cmd->hdr) + sizeof(cmd->frag_desc_bank_cfg);
+ skb = ath10k_htc_alloc_skb(ar, size);
+ if (!skb)
+ return -ENOMEM;
+
+ skb_put(skb, size);
+ cmd = (struct htt_cmd *)skb->data;
+ cmd->hdr.msg_type = HTT_H2T_MSG_TYPE_FRAG_DESC_BANK_CFG;
+ cmd->frag_desc_bank_cfg.info = 0;
+ cmd->frag_desc_bank_cfg.num_banks = 1;
+ cmd->frag_desc_bank_cfg.desc_size = sizeof(struct htt_msdu_ext_desc);
+ cmd->frag_desc_bank_cfg.bank_base_addrs[0] =
+ __cpu_to_le32(htt->frag_desc.paddr);
+ cmd->frag_desc_bank_cfg.bank_id[0].bank_min_id = 0;
+ cmd->frag_desc_bank_cfg.bank_id[0].bank_max_id =
+ __cpu_to_le16(htt->max_num_pending_tx - 1);
+
+ ret = ath10k_htc_send(&htt->ar->htc, htt->eid, skb);
+ if (ret) {
+ ath10k_warn(ar, "failed to send frag desc bank cfg request: %d\n",
+ ret);
+ dev_kfree_skb_any(skb);
+ return ret;
+ }
+
+ return 0;
+}
+
int ath10k_htt_send_rx_ring_cfg_ll(struct ath10k_htt *htt)
{
struct ath10k *ar = htt->ar;
@@ -355,12 +427,11 @@ int ath10k_htt_mgmt_tx(struct ath10k_htt *htt, struct sk_buff *msdu)
spin_lock_bh(&htt->tx_lock);
res = ath10k_htt_tx_alloc_msdu_id(htt, msdu);
+ spin_unlock_bh(&htt->tx_lock);
if (res < 0) {
- spin_unlock_bh(&htt->tx_lock);
goto err_tx_dec;
}
msdu_id = res;
- spin_unlock_bh(&htt->tx_lock);
txdesc = ath10k_htc_alloc_skb(ar, len);
if (!txdesc) {
@@ -371,11 +442,15 @@ int ath10k_htt_mgmt_tx(struct ath10k_htt *htt, struct sk_buff *msdu)
skb_cb->paddr = dma_map_single(dev, msdu->data, msdu->len,
DMA_TO_DEVICE);
res = dma_mapping_error(dev, skb_cb->paddr);
- if (res)
+ if (res) {
+ res = -EIO;
goto err_free_txdesc;
+ }
skb_put(txdesc, len);
cmd = (struct htt_cmd *)txdesc->data;
+ memset(cmd, 0, len);
+
cmd->hdr.msg_type = HTT_H2T_MSG_TYPE_MGMT_TX;
cmd->mgmt_tx.msdu_paddr = __cpu_to_le32(ATH10K_SKB_CB(msdu)->paddr);
cmd->mgmt_tx.len = __cpu_to_le32(msdu->len);
@@ -422,6 +497,7 @@ int ath10k_htt_tx(struct ath10k_htt *htt, struct sk_buff *msdu)
u16 msdu_id, flags1 = 0;
dma_addr_t paddr = 0;
u32 frags_paddr = 0;
+ struct htt_msdu_ext_desc *ext_desc = NULL;
res = ath10k_htt_tx_inc_pending(htt);
if (res)
@@ -429,12 +505,11 @@ int ath10k_htt_tx(struct ath10k_htt *htt, struct sk_buff *msdu)
spin_lock_bh(&htt->tx_lock);
res = ath10k_htt_tx_alloc_msdu_id(htt, msdu);
+ spin_unlock_bh(&htt->tx_lock);
if (res < 0) {
- spin_unlock_bh(&htt->tx_lock);
goto err_tx_dec;
}
msdu_id = res;
- spin_unlock_bh(&htt->tx_lock);
prefetch_len = min(htt->prefetch_len, msdu->len);
prefetch_len = roundup(prefetch_len, 4);
@@ -450,14 +525,20 @@ int ath10k_htt_tx(struct ath10k_htt *htt, struct sk_buff *msdu)
if ((ieee80211_is_action(hdr->frame_control) ||
ieee80211_is_deauth(hdr->frame_control) ||
ieee80211_is_disassoc(hdr->frame_control)) &&
- ieee80211_has_protected(hdr->frame_control))
+ ieee80211_has_protected(hdr->frame_control)) {
skb_put(msdu, IEEE80211_CCMP_MIC_LEN);
+ } else if (!skb_cb->htt.nohwcrypt &&
+ skb_cb->txmode == ATH10K_HW_TXRX_RAW) {
+ skb_put(msdu, IEEE80211_CCMP_MIC_LEN);
+ }
skb_cb->paddr = dma_map_single(dev, msdu->data, msdu->len,
DMA_TO_DEVICE);
res = dma_mapping_error(dev, skb_cb->paddr);
- if (res)
+ if (res) {
+ res = -EIO;
goto err_free_txbuf;
+ }
switch (skb_cb->txmode) {
case ATH10K_HW_TXRX_RAW:
@@ -465,16 +546,30 @@ int ath10k_htt_tx(struct ath10k_htt *htt, struct sk_buff *msdu)
flags0 |= HTT_DATA_TX_DESC_FLAGS0_MAC_HDR_PRESENT;
/* pass through */
case ATH10K_HW_TXRX_ETHERNET:
- frags = skb_cb->htt.txbuf->frags;
-
- frags[0].paddr = __cpu_to_le32(skb_cb->paddr);
- frags[0].len = __cpu_to_le32(msdu->len);
- frags[1].paddr = 0;
- frags[1].len = 0;
-
+ if (ar->hw_params.continuous_frag_desc) {
+ memset(&htt->frag_desc.vaddr[msdu_id], 0,
+ sizeof(struct htt_msdu_ext_desc));
+ frags = (struct htt_data_tx_desc_frag *)
+ &htt->frag_desc.vaddr[msdu_id].frags;
+ ext_desc = &htt->frag_desc.vaddr[msdu_id];
+ frags[0].tword_addr.paddr_lo =
+ __cpu_to_le32(skb_cb->paddr);
+ frags[0].tword_addr.paddr_hi = 0;
+ frags[0].tword_addr.len_16 = __cpu_to_le16(msdu->len);
+
+ frags_paddr = htt->frag_desc.paddr +
+ (sizeof(struct htt_msdu_ext_desc) * msdu_id);
+ } else {
+ frags = skb_cb->htt.txbuf->frags;
+ frags[0].dword_addr.paddr =
+ __cpu_to_le32(skb_cb->paddr);
+ frags[0].dword_addr.len = __cpu_to_le32(msdu->len);
+ frags[1].dword_addr.paddr = 0;
+ frags[1].dword_addr.len = 0;
+
+ frags_paddr = skb_cb->htt.txbuf_paddr;
+ }
flags0 |= SM(skb_cb->txmode, HTT_DATA_TX_DESC_FLAGS0_PKT_TYPE);
-
- frags_paddr = skb_cb->htt.txbuf_paddr;
break;
case ATH10K_HW_TXRX_MGMT:
flags0 |= SM(ATH10K_HW_TXRX_MGMT,
@@ -508,14 +603,20 @@ int ath10k_htt_tx(struct ath10k_htt *htt, struct sk_buff *msdu)
prefetch_len);
skb_cb->htt.txbuf->htc_hdr.flags = 0;
+ if (skb_cb->htt.nohwcrypt)
+ flags0 |= HTT_DATA_TX_DESC_FLAGS0_NO_ENCRYPT;
+
if (!skb_cb->is_protected)
flags0 |= HTT_DATA_TX_DESC_FLAGS0_NO_ENCRYPT;
flags1 |= SM((u16)vdev_id, HTT_DATA_TX_DESC_FLAGS1_VDEV_ID);
flags1 |= SM((u16)tid, HTT_DATA_TX_DESC_FLAGS1_EXT_TID);
- if (msdu->ip_summed == CHECKSUM_PARTIAL) {
+ if (msdu->ip_summed == CHECKSUM_PARTIAL &&
+ !test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags)) {
flags1 |= HTT_DATA_TX_DESC_FLAGS1_CKSUM_L3_OFFLOAD;
flags1 |= HTT_DATA_TX_DESC_FLAGS1_CKSUM_L4_OFFLOAD;
+ if (ar->hw_params.continuous_frag_desc)
+ ext_desc->flags |= HTT_MSDU_CHECKSUM_ENABLE;
}
/* Prevent firmware from sending up tx inspection requests. There's
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