@@ -256,7 +256,7 @@ int ath10k_htt_setup(struct ath10k_htt *htt)
return status;
}
- status = ath10k_htt_send_frag_desc_bank_cfg(htt);
+ status = htt->tx_ops->htt_send_frag_desc_bank_cfg(htt);
if (status)
return status;
@@ -107,6 +107,14 @@ struct htt_msdu_ext_desc {
struct htt_data_tx_desc_frag frags[6];
};
+struct htt_msdu_ext_desc_64 {
+ __le32 tso_flag[5];
+ __le16 ip_identification;
+ u8 flags;
+ u8 reserved;
+ struct htt_data_tx_desc_frag frags[6];
+};
+
#define HTT_MSDU_EXT_DESC_FLAG_IPV4_CSUM_ENABLE BIT(0)
#define HTT_MSDU_EXT_DESC_FLAG_UDP_IPV4_CSUM_ENABLE BIT(1)
#define HTT_MSDU_EXT_DESC_FLAG_UDP_IPV6_CSUM_ENABLE BIT(2)
@@ -1387,7 +1395,7 @@ struct htt_q_state_conf {
u8 pad[2];
} __packed;
-struct htt_frag_desc_bank_cfg {
+struct htt_frag_desc_bank_cfg32 {
u8 info; /* HTT_FRAG_DESC_BANK_CFG_INFO_ */
u8 num_banks;
u8 desc_size;
@@ -1396,6 +1404,15 @@ struct htt_frag_desc_bank_cfg {
struct htt_q_state_conf q_state;
} __packed;
+struct htt_frag_desc_bank_cfg64 {
+ u8 info; /* HTT_FRAG_DESC_BANK_CFG_INFO_ */
+ u8 num_banks;
+ u8 desc_size;
+ __le64 bank_base_addrs[HTT_FRAG_DESC_BANK_MAX];
+ struct htt_frag_desc_bank_id bank_id[HTT_FRAG_DESC_BANK_MAX];
+ struct htt_q_state_conf q_state;
+} __packed;
+
#define HTT_TX_Q_STATE_ENTRY_COEFFICIENT 128
#define HTT_TX_Q_STATE_ENTRY_FACTOR_MASK 0x3f
#define HTT_TX_Q_STATE_ENTRY_FACTOR_LSB 0
@@ -1555,7 +1572,8 @@ struct htt_cmd {
struct htt_stats_req stats_req;
struct htt_oob_sync_req oob_sync_req;
struct htt_aggr_conf aggr_conf;
- struct htt_frag_desc_bank_cfg frag_desc_bank_cfg;
+ struct htt_frag_desc_bank_cfg32 frag_desc_bank_cfg32;
+ struct htt_frag_desc_bank_cfg64 frag_desc_bank_cfg64;
struct htt_tx_fetch_resp tx_fetch_resp;
};
} __packed;
@@ -1741,7 +1759,11 @@ struct ath10k_htt {
struct {
dma_addr_t paddr;
- struct htt_msdu_ext_desc *vaddr;
+ union {
+ struct htt_msdu_ext_desc *vaddr_desc_32;
+ struct htt_msdu_ext_desc_64 *vaddr_desc_64;
+ };
+ size_t size;
} frag_desc;
struct {
@@ -1766,6 +1788,9 @@ struct ath10k_htt {
struct ath10k_htt_tx_ops {
int (*htt_send_rx_ring_cfg)(struct ath10k_htt *htt);
+ int (*htt_send_frag_desc_bank_cfg)(struct ath10k_htt *htt);
+ int (*htt_alloc_frag_desc)(struct ath10k_htt *htt);
+ void (*htt_free_frag_desc)(struct ath10k_htt *htt);
};
#define RX_HTT_HDR_STATUS_LEN 64
@@ -1845,7 +1870,6 @@ struct htt_rx_desc {
bool ath10k_htt_t2h_msg_handler(struct ath10k *ar, struct sk_buff *skb);
int ath10k_htt_h2t_ver_req_msg(struct ath10k_htt *htt);
int ath10k_htt_h2t_stats_req(struct ath10k_htt *htt, u8 mask, u64 cookie);
-int ath10k_htt_send_frag_desc_bank_cfg(struct ath10k_htt *htt);
int ath10k_htt_send_rx_ring_cfg_ll(struct ath10k_htt *htt);
int ath10k_htt_h2t_aggr_cfg_msg(struct ath10k_htt *htt,
u8 max_subfrms_ampdu,
@@ -256,23 +256,65 @@ static int ath10k_htt_tx_alloc_cont_txbuf(struct ath10k_htt *htt)
return 0;
}
-static void ath10k_htt_tx_free_cont_frag_desc(struct ath10k_htt *htt)
+static void ath10k_htt_tx_free_cont_frag_desc_32(struct ath10k_htt *htt)
{
size_t size;
- if (!htt->frag_desc.vaddr)
+ if (!htt->frag_desc.vaddr_desc_32)
return;
- size = htt->max_num_pending_tx * sizeof(struct htt_msdu_ext_desc);
+ 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.vaddr_desc_32,
htt->frag_desc.paddr);
- htt->frag_desc.vaddr = NULL;
+
+ htt->frag_desc.vaddr_desc_32 = NULL;
+}
+
+static int ath10k_htt_tx_alloc_cont_frag_desc_32(struct ath10k_htt *htt)
+{
+ struct ath10k *ar = htt->ar;
+ size_t size;
+
+ if (!ar->hw_params.continuous_frag_desc)
+ return 0;
+
+ size = htt->max_num_pending_tx *
+ sizeof(struct htt_msdu_ext_desc);
+ htt->frag_desc.vaddr_desc_32 = dma_alloc_coherent(ar->dev, size,
+ &htt->frag_desc.paddr,
+ GFP_KERNEL);
+ if (!htt->frag_desc.vaddr_desc_32) {
+ ath10k_err(ar, "failed to alloc fragment desc memory\n");
+ return -ENOMEM;
+ }
+ htt->frag_desc.size = size;
+
+ return 0;
+}
+
+static void ath10k_htt_tx_free_cont_frag_desc_64(struct ath10k_htt *htt)
+{
+ size_t size;
+
+ if (!htt->frag_desc.vaddr_desc_64)
+ return;
+
+ size = htt->max_num_pending_tx *
+ sizeof(struct htt_msdu_ext_desc_64);
+
+ dma_free_coherent(htt->ar->dev,
+ size,
+ htt->frag_desc.vaddr_desc_64,
+ htt->frag_desc.paddr);
+
+ htt->frag_desc.vaddr_desc_64 = NULL;
}
-static int ath10k_htt_tx_alloc_cont_frag_desc(struct ath10k_htt *htt)
+static int ath10k_htt_tx_alloc_cont_frag_desc_64(struct ath10k_htt *htt)
{
struct ath10k *ar = htt->ar;
size_t size;
@@ -280,12 +322,17 @@ static int ath10k_htt_tx_alloc_cont_frag_desc(struct ath10k_htt *htt)
if (!ar->hw_params.continuous_frag_desc)
return 0;
- 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_KERNEL);
- if (!htt->frag_desc.vaddr)
+ size = htt->max_num_pending_tx *
+ sizeof(struct htt_msdu_ext_desc_64);
+
+ htt->frag_desc.vaddr_desc_64 = dma_alloc_coherent(ar->dev, size,
+ &htt->frag_desc.paddr,
+ GFP_KERNEL);
+ if (!htt->frag_desc.vaddr_desc_64) {
+ ath10k_err(ar, "failed to alloc fragment desc memory\n");
return -ENOMEM;
+ }
+ htt->frag_desc.size = size;
return 0;
}
@@ -363,7 +410,7 @@ static int ath10k_htt_tx_alloc_buf(struct ath10k_htt *htt)
return ret;
}
- ret = ath10k_htt_tx_alloc_cont_frag_desc(htt);
+ ret = htt->tx_ops->htt_alloc_frag_desc(htt);
if (ret) {
ath10k_err(ar, "failed to alloc cont frag desc: %d\n", ret);
goto free_txbuf;
@@ -387,7 +434,7 @@ static int ath10k_htt_tx_alloc_buf(struct ath10k_htt *htt)
ath10k_htt_tx_free_txq(htt);
free_frag_desc:
- ath10k_htt_tx_free_cont_frag_desc(htt);
+ htt->tx_ops->htt_free_frag_desc(htt);
free_txbuf:
ath10k_htt_tx_free_cont_txbuf(htt);
@@ -446,7 +493,7 @@ void ath10k_htt_tx_destroy(struct ath10k_htt *htt)
ath10k_htt_tx_free_cont_txbuf(htt);
ath10k_htt_tx_free_txq(htt);
- ath10k_htt_tx_free_cont_frag_desc(htt);
+ htt->tx_ops->htt_free_frag_desc(htt);
ath10k_htt_tx_free_txdone_fifo(htt);
htt->tx_mem_allocated = false;
}
@@ -545,12 +592,12 @@ 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)
+static int ath10k_htt_send_frag_desc_bank_cfg_32(struct ath10k_htt *htt)
{
struct ath10k *ar = htt->ar;
struct sk_buff *skb;
struct htt_cmd *cmd;
- struct htt_frag_desc_bank_cfg *cfg;
+ struct htt_frag_desc_bank_cfg32 *cfg;
int ret, size;
u8 info;
@@ -562,7 +609,7 @@ int ath10k_htt_send_frag_desc_bank_cfg(struct ath10k_htt *htt)
return -EINVAL;
}
- size = sizeof(cmd->hdr) + sizeof(cmd->frag_desc_bank_cfg);
+ size = sizeof(cmd->hdr) + sizeof(cmd->frag_desc_bank_cfg32);
skb = ath10k_htc_alloc_skb(ar, size);
if (!skb)
return -ENOMEM;
@@ -579,7 +626,7 @@ int ath10k_htt_send_frag_desc_bank_cfg(struct ath10k_htt *htt)
ar->running_fw->fw_file.fw_features))
info |= HTT_FRAG_DESC_BANK_CFG_INFO_Q_STATE_VALID;
- cfg = &cmd->frag_desc_bank_cfg;
+ cfg = &cmd->frag_desc_bank_cfg32;
cfg->info = info;
cfg->num_banks = 1;
cfg->desc_size = sizeof(struct htt_msdu_ext_desc);
@@ -607,6 +654,68 @@ int ath10k_htt_send_frag_desc_bank_cfg(struct ath10k_htt *htt)
return 0;
}
+static int ath10k_htt_send_frag_desc_bank_cfg_64(struct ath10k_htt *htt)
+{
+ struct ath10k *ar = htt->ar;
+ struct sk_buff *skb;
+ struct htt_cmd *cmd;
+ struct htt_frag_desc_bank_cfg64 *cfg;
+ int ret, size;
+ u8 info;
+
+ 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_cfg64);
+ 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;
+
+ info = 0;
+ info |= SM(htt->tx_q_state.type,
+ HTT_FRAG_DESC_BANK_CFG_INFO_Q_STATE_DEPTH_TYPE);
+
+ if (test_bit(ATH10K_FW_FEATURE_PEER_FLOW_CONTROL,
+ ar->running_fw->fw_file.fw_features))
+ info |= HTT_FRAG_DESC_BANK_CFG_INFO_Q_STATE_VALID;
+
+ cfg = &cmd->frag_desc_bank_cfg64;
+ cfg->info = info;
+ cfg->num_banks = 1;
+ cfg->desc_size = sizeof(struct htt_msdu_ext_desc_64);
+ cfg->bank_base_addrs[0] = __cpu_to_le64(htt->frag_desc.paddr);
+ cfg->bank_id[0].bank_min_id = 0;
+ cfg->bank_id[0].bank_max_id = __cpu_to_le16(htt->max_num_pending_tx -
+ 1);
+
+ cfg->q_state.paddr = cpu_to_le32(htt->tx_q_state.paddr);
+ cfg->q_state.num_peers = cpu_to_le16(htt->tx_q_state.num_peers);
+ cfg->q_state.num_tids = cpu_to_le16(htt->tx_q_state.num_tids);
+ cfg->q_state.record_size = HTT_TX_Q_STATE_ENTRY_SIZE;
+ cfg->q_state.record_multiplier = HTT_TX_Q_STATE_ENTRY_MULTIPLIER;
+
+ ath10k_dbg(ar, ATH10K_DBG_HTT, "htt frag desc bank cmd\n");
+
+ 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;
+}
+
static void ath10k_htt_fill_rx_desc_offset_32(void *rx_ring)
{
struct htt_rx_ring_setup_ring32 *ring =
@@ -1010,6 +1119,7 @@ int ath10k_htt_tx(struct ath10k_htt *htt, enum ath10k_hw_txrx_mode txmode,
u32 frags_paddr = 0;
u32 txbuf_paddr;
struct htt_msdu_ext_desc *ext_desc = NULL;
+ struct htt_msdu_ext_desc *ext_desc_t = NULL;
spin_lock_bh(&htt->tx_lock);
res = ath10k_htt_tx_alloc_msdu_id(htt, msdu);
@@ -1055,11 +1165,12 @@ int ath10k_htt_tx(struct ath10k_htt *htt, enum ath10k_hw_txrx_mode txmode,
/* pass through */
case ATH10K_HW_TXRX_ETHERNET:
if (ar->hw_params.continuous_frag_desc) {
- memset(&htt->frag_desc.vaddr[msdu_id], 0,
+ ext_desc_t = htt->frag_desc.vaddr_desc_32;
+ memset(&ext_desc_t[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];
+ &ext_desc_t[msdu_id].frags;
+ ext_desc = &ext_desc_t[msdu_id];
frags[0].tword_addr.paddr_lo =
__cpu_to_le32(skb_cb->paddr);
frags[0].tword_addr.paddr_hi = 0;
@@ -1189,10 +1300,16 @@ int ath10k_htt_tx(struct ath10k_htt *htt, enum ath10k_hw_txrx_mode txmode,
static const struct ath10k_htt_tx_ops htt_tx_ops_32 = {
.htt_send_rx_ring_cfg = ath10k_htt_send_rx_ring_cfg_32,
+ .htt_send_frag_desc_bank_cfg = ath10k_htt_send_frag_desc_bank_cfg_32,
+ .htt_alloc_frag_desc = ath10k_htt_tx_alloc_cont_frag_desc_32,
+ .htt_free_frag_desc = ath10k_htt_tx_free_cont_frag_desc_32,
};
static const struct ath10k_htt_tx_ops htt_tx_ops_64 = {
.htt_send_rx_ring_cfg = ath10k_htt_send_rx_ring_cfg_64,
+ .htt_send_frag_desc_bank_cfg = ath10k_htt_send_frag_desc_bank_cfg_64,
+ .htt_alloc_frag_desc = ath10k_htt_tx_alloc_cont_frag_desc_64,
+ .htt_free_frag_desc = ath10k_htt_tx_free_cont_frag_desc_64,
};
void ath10k_htt_set_tx_ops(struct ath10k_htt *htt)
WCN3990 target uses 64 bit frag descriptor and more fields in TSO flag. Add support for 64 bit HTT frag descriptor. Signed-off-by: Govind Singh <govinds@qti.qualcomm.com> --- drivers/net/wireless/ath/ath10k/htt.c | 2 +- drivers/net/wireless/ath/ath10k/htt.h | 32 ++++++- drivers/net/wireless/ath/ath10k/htt_tx.c | 159 +++++++++++++++++++++++++++---- 3 files changed, 167 insertions(+), 26 deletions(-)