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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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ath10k: add hif rx methods for wcn3990
Add hif rx methods in rx path for wcn3990 target. Signed-off-by: Govind Singh <govinds@codeaurora.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Govind Singh
Kalle Valo
parent
d390509bdf
commit
d915105231
@ -26,6 +26,7 @@
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#include <linux/platform_device.h>
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#define WCN3990_CE_ATTR_FLAGS 0
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#define ATH10K_SNOC_RX_POST_RETRY_MS 50
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#define CE_POLL_PIPE 4
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static char *const ce_name[] = {
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"WLAN_CE_0",
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@ -44,6 +45,9 @@ static char *const ce_name[] = {
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static void ath10k_snoc_htc_tx_cb(struct ath10k_ce_pipe *ce_state);
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static void ath10k_snoc_htt_tx_cb(struct ath10k_ce_pipe *ce_state);
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static void ath10k_snoc_htc_rx_cb(struct ath10k_ce_pipe *ce_state);
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static void ath10k_snoc_htt_rx_cb(struct ath10k_ce_pipe *ce_state);
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static void ath10k_snoc_htt_htc_rx_cb(struct ath10k_ce_pipe *ce_state);
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static const struct ath10k_snoc_drv_priv drv_priv = {
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.hw_rev = ATH10K_HW_WCN3990,
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@ -53,7 +57,7 @@ static const struct ath10k_snoc_drv_priv drv_priv = {
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static struct ce_attr host_ce_config_wlan[] = {
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/* CE0: host->target HTC control streams */
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{
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.flags = WCN3990_CE_ATTR_FLAGS,
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.flags = CE_ATTR_FLAGS,
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.src_nentries = 16,
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.src_sz_max = 2048,
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.dest_nentries = 0,
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@ -62,25 +66,25 @@ static struct ce_attr host_ce_config_wlan[] = {
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/* CE1: target->host HTT + HTC control */
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{
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.flags = WCN3990_CE_ATTR_FLAGS,
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.flags = CE_ATTR_FLAGS,
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.src_nentries = 0,
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.src_sz_max = 2048,
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.dest_nentries = 512,
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.recv_cb = NULL,
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.recv_cb = ath10k_snoc_htt_htc_rx_cb,
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},
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/* CE2: target->host WMI */
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{
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.flags = WCN3990_CE_ATTR_FLAGS,
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.flags = CE_ATTR_FLAGS,
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.src_nentries = 0,
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.src_sz_max = 2048,
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.dest_nentries = 64,
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.recv_cb = NULL,
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.recv_cb = ath10k_snoc_htc_rx_cb,
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},
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/* CE3: host->target WMI */
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{
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.flags = WCN3990_CE_ATTR_FLAGS,
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.flags = CE_ATTR_FLAGS,
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.src_nentries = 32,
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.src_sz_max = 2048,
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.dest_nentries = 0,
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@ -89,7 +93,7 @@ static struct ce_attr host_ce_config_wlan[] = {
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/* CE4: host->target HTT */
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{
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.flags = WCN3990_CE_ATTR_FLAGS | CE_ATTR_DIS_INTR,
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.flags = CE_ATTR_FLAGS | CE_ATTR_DIS_INTR,
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.src_nentries = 256,
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.src_sz_max = 256,
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.dest_nentries = 0,
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@ -98,16 +102,16 @@ static struct ce_attr host_ce_config_wlan[] = {
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/* CE5: target->host HTT (ipa_uc->target ) */
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{
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.flags = WCN3990_CE_ATTR_FLAGS,
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.flags = CE_ATTR_FLAGS,
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.src_nentries = 0,
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.src_sz_max = 512,
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.dest_nentries = 512,
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.recv_cb = NULL,
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.recv_cb = ath10k_snoc_htt_rx_cb,
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},
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/* CE6: target autonomous hif_memcpy */
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{
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.flags = WCN3990_CE_ATTR_FLAGS,
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.flags = CE_ATTR_FLAGS,
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.src_nentries = 0,
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.src_sz_max = 0,
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.dest_nentries = 0,
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@ -115,7 +119,7 @@ static struct ce_attr host_ce_config_wlan[] = {
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/* CE7: ce_diag, the Diagnostic Window */
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{
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.flags = WCN3990_CE_ATTR_FLAGS,
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.flags = CE_ATTR_FLAGS,
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.src_nentries = 2,
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.src_sz_max = 2048,
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.dest_nentries = 2,
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@ -123,7 +127,7 @@ static struct ce_attr host_ce_config_wlan[] = {
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/* CE8: Target to uMC */
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{
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.flags = WCN3990_CE_ATTR_FLAGS,
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.flags = CE_ATTR_FLAGS,
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.src_nentries = 0,
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.src_sz_max = 2048,
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.dest_nentries = 128,
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@ -131,29 +135,29 @@ static struct ce_attr host_ce_config_wlan[] = {
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/* CE9 target->host HTT */
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{
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.flags = WCN3990_CE_ATTR_FLAGS,
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.flags = CE_ATTR_FLAGS,
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.src_nentries = 0,
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.src_sz_max = 2048,
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.dest_nentries = 512,
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.recv_cb = NULL,
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.recv_cb = ath10k_snoc_htt_htc_rx_cb,
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},
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/* CE10: target->host HTT */
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{
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.flags = WCN3990_CE_ATTR_FLAGS,
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.flags = CE_ATTR_FLAGS,
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.src_nentries = 0,
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.src_sz_max = 2048,
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.dest_nentries = 512,
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.recv_cb = NULL,
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.recv_cb = ath10k_snoc_htt_htc_rx_cb,
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},
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/* CE11: target -> host PKTLOG */
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{
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.flags = WCN3990_CE_ATTR_FLAGS,
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.flags = CE_ATTR_FLAGS,
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.src_nentries = 0,
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.src_sz_max = 2048,
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.dest_nentries = 512,
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.recv_cb = NULL,
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.recv_cb = ath10k_snoc_htt_htc_rx_cb,
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},
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};
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@ -362,6 +366,82 @@ static void ath10k_snoc_rx_post(struct ath10k *ar)
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ath10k_snoc_rx_post_pipe(&ar_snoc->pipe_info[i]);
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}
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static void ath10k_snoc_process_rx_cb(struct ath10k_ce_pipe *ce_state,
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void (*callback)(struct ath10k *ar,
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struct sk_buff *skb))
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{
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struct ath10k *ar = ce_state->ar;
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struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar);
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struct ath10k_snoc_pipe *pipe_info = &ar_snoc->pipe_info[ce_state->id];
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struct sk_buff *skb;
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struct sk_buff_head list;
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void *transfer_context;
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unsigned int nbytes, max_nbytes;
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__skb_queue_head_init(&list);
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while (ath10k_ce_completed_recv_next(ce_state, &transfer_context,
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&nbytes) == 0) {
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skb = transfer_context;
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max_nbytes = skb->len + skb_tailroom(skb);
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dma_unmap_single(ar->dev, ATH10K_SKB_RXCB(skb)->paddr,
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max_nbytes, DMA_FROM_DEVICE);
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if (unlikely(max_nbytes < nbytes)) {
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ath10k_warn(ar, "rxed more than expected (nbytes %d, max %d)",
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nbytes, max_nbytes);
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dev_kfree_skb_any(skb);
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continue;
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}
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skb_put(skb, nbytes);
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__skb_queue_tail(&list, skb);
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}
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while ((skb = __skb_dequeue(&list))) {
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ath10k_dbg(ar, ATH10K_DBG_SNOC, "snoc rx ce pipe %d len %d\n",
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ce_state->id, skb->len);
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callback(ar, skb);
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}
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ath10k_snoc_rx_post_pipe(pipe_info);
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}
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static void ath10k_snoc_htc_rx_cb(struct ath10k_ce_pipe *ce_state)
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{
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ath10k_snoc_process_rx_cb(ce_state, ath10k_htc_rx_completion_handler);
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}
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static void ath10k_snoc_htt_htc_rx_cb(struct ath10k_ce_pipe *ce_state)
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{
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/* CE4 polling needs to be done whenever CE pipe which transports
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* HTT Rx (target->host) is processed.
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*/
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ath10k_ce_per_engine_service(ce_state->ar, CE_POLL_PIPE);
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ath10k_snoc_process_rx_cb(ce_state, ath10k_htc_rx_completion_handler);
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}
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static void ath10k_snoc_htt_rx_deliver(struct ath10k *ar, struct sk_buff *skb)
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{
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skb_pull(skb, sizeof(struct ath10k_htc_hdr));
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ath10k_htt_t2h_msg_handler(ar, skb);
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}
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static void ath10k_snoc_htt_rx_cb(struct ath10k_ce_pipe *ce_state)
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{
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ath10k_ce_per_engine_service(ce_state->ar, CE_POLL_PIPE);
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ath10k_snoc_process_rx_cb(ce_state, ath10k_snoc_htt_rx_deliver);
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}
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static void ath10k_snoc_rx_replenish_retry(struct timer_list *t)
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{
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struct ath10k_pci *ar_snoc = from_timer(ar_snoc, t, rx_post_retry);
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struct ath10k *ar = ar_snoc->ar;
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ath10k_snoc_rx_post(ar);
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}
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static void ath10k_snoc_htc_tx_cb(struct ath10k_ce_pipe *ce_state)
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{
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struct ath10k *ar = ce_state->ar;
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@ -620,6 +700,8 @@ static void ath10k_snoc_hif_stop(struct ath10k *ar)
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{
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ath10k_snoc_irq_disable(ar);
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ath10k_snoc_buffer_cleanup(ar);
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napi_synchronize(&ar->napi);
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napi_disable(&ar->napi);
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ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot hif stop\n");
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}
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@ -684,6 +766,7 @@ static int ath10k_snoc_hif_power_up(struct ath10k *ar)
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goto err_wlan_enable;
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}
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napi_enable(&ar->napi);
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return 0;
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err_wlan_enable:
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@ -711,11 +794,60 @@ static const struct ath10k_bus_ops ath10k_snoc_bus_ops = {
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.write32 = ath10k_snoc_write32,
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};
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int ath10k_snoc_get_ce_id_from_irq(struct ath10k *ar, int irq)
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{
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struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar);
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int i;
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for (i = 0; i < CE_COUNT_MAX; i++) {
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if (ar_snoc->ce_irqs[i].irq_line == irq)
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return i;
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}
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ath10k_err(ar, "No matching CE id for irq %d\n", irq);
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return -EINVAL;
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}
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static irqreturn_t ath10k_snoc_per_engine_handler(int irq, void *arg)
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{
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struct ath10k *ar = arg;
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struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar);
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int ce_id = ath10k_snoc_get_ce_id_from_irq(ar, irq);
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if (ce_id < 0 || ce_id >= ARRAY_SIZE(ar_snoc->pipe_info)) {
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ath10k_warn(ar, "unexpected/invalid irq %d ce_id %d\n", irq,
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ce_id);
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return IRQ_HANDLED;
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}
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ath10k_snoc_irq_disable(ar);
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napi_schedule(&ar->napi);
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return IRQ_HANDLED;
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}
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static int ath10k_snoc_napi_poll(struct napi_struct *ctx, int budget)
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{
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struct ath10k *ar = container_of(ctx, struct ath10k, napi);
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int done = 0;
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ath10k_ce_per_engine_service_any(ar);
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done = ath10k_htt_txrx_compl_task(ar, budget);
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if (done < budget) {
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napi_complete(ctx);
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ath10k_snoc_irq_enable(ar);
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}
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return done;
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}
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void ath10k_snoc_init_napi(struct ath10k *ar)
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{
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netif_napi_add(&ar->napi_dev, &ar->napi, ath10k_snoc_napi_poll,
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ATH10K_NAPI_BUDGET);
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}
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static int ath10k_snoc_request_irq(struct ath10k *ar)
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{
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struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar);
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@ -796,6 +928,7 @@ static int ath10k_snoc_setup_resource(struct ath10k *ar)
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struct ath10k_snoc_pipe *pipe;
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int i, ret;
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timer_setup(&ar_snoc->rx_post_retry, ath10k_snoc_rx_replenish_retry, 0);
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spin_lock_init(&ce->ce_lock);
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for (i = 0; i < CE_COUNT; i++) {
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pipe = &ar_snoc->pipe_info[i];
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@ -812,6 +945,7 @@ static int ath10k_snoc_setup_resource(struct ath10k *ar)
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pipe->buf_sz = host_ce_config_wlan[i].src_sz_max;
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}
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ath10k_snoc_init_napi(ar);
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return 0;
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}
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@ -820,6 +954,7 @@ static void ath10k_snoc_release_resource(struct ath10k *ar)
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{
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int i;
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netif_napi_del(&ar->napi);
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for (i = 0; i < CE_COUNT; i++)
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ath10k_ce_free_pipe(ar, i);
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}
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