ath10k: add support for pktlog in QCA99X0

This patch adds pktlog support for 10.4 fw versions.

Signed-off-by: Vivek Natarajan <nataraja@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>

diff --git a/drivers/net/wireless/ath/ath10k/htt.h b/drivers/net/wireless/ath/ath10k/htt.h
index 2bad50e..74ccfb2 100644 (file)
--- a/drivers/net/wireless/ath/ath10k/htt.h
+++ b/drivers/net/wireless/ath/ath10k/htt.h
@@ -1598,5 +1598,7 @@ int ath10k_htt_tx_alloc_msdu_id(struct ath10k_htt *htt, struct sk_buff *skb);
 void ath10k_htt_tx_free_msdu_id(struct ath10k_htt *htt, u16 msdu_id);
 int ath10k_htt_mgmt_tx(struct ath10k_htt *htt, struct sk_buff *);
 int ath10k_htt_tx(struct ath10k_htt *htt, struct sk_buff *);
+void ath10k_htt_rx_pktlog_completion_handler(struct ath10k *ar,
+                                            struct sk_buff *skb);
 
 #endif

diff --git a/drivers/net/wireless/ath/ath10k/htt_rx.c b/drivers/net/wireless/ath/ath10k/htt_rx.c
index 6060dda..d1dc1ba 100644 (file)
--- a/drivers/net/wireless/ath/ath10k/htt_rx.c
+++ b/drivers/net/wireless/ath/ath10k/htt_rx.c
@@ -2127,6 +2127,18 @@ void ath10k_htt_t2h_msg_handler(struct ath10k *ar, struct sk_buff *skb)
 }
 EXPORT_SYMBOL(ath10k_htt_t2h_msg_handler);
 
+void ath10k_htt_rx_pktlog_completion_handler(struct ath10k *ar,
+                                            struct sk_buff *skb)
+{
+       struct ath10k_pktlog_10_4_hdr *hdr =
+               (struct ath10k_pktlog_10_4_hdr *)skb->data;
+
+       trace_ath10k_htt_pktlog(ar, hdr->payload,
+                               sizeof(*hdr) + __le16_to_cpu(hdr->size));
+       dev_kfree_skb_any(skb);
+}
+EXPORT_SYMBOL(ath10k_htt_rx_pktlog_completion_handler);
+
 static void ath10k_htt_txrx_compl_task(unsigned long ptr)
 {
        struct ath10k_htt *htt = (struct ath10k_htt *)ptr;

diff --git a/drivers/net/wireless/ath/ath10k/hw.h b/drivers/net/wireless/ath/ath10k/hw.h
index 39966a0..557d8d2 100644 (file)
--- a/drivers/net/wireless/ath/ath10k/hw.h
+++ b/drivers/net/wireless/ath/ath10k/hw.h
@@ -273,6 +273,16 @@ struct ath10k_pktlog_hdr {
        u8 payload[0];
 } __packed;
 
+struct ath10k_pktlog_10_4_hdr {
+       __le16 flags;
+       __le16 missed_cnt;
+       __le16 log_type;
+       __le16 size;
+       __le32 timestamp;
+       __le32 type_specific_data;
+       u8 payload[0];
+} __packed;
+
 enum ath10k_hw_rate_ofdm {
        ATH10K_HW_RATE_OFDM_48M = 0,
        ATH10K_HW_RATE_OFDM_24M,

diff --git a/drivers/net/wireless/ath/ath10k/pci.c b/drivers/net/wireless/ath/ath10k/pci.c
index 3fca200..5c91a67 100644 (file)
--- a/drivers/net/wireless/ath/ath10k/pci.c
+++ b/drivers/net/wireless/ath/ath10k/pci.c
@@ -111,6 +111,7 @@ static void ath10k_pci_htc_tx_cb(struct ath10k_ce_pipe *ce_state);
 static void ath10k_pci_htc_rx_cb(struct ath10k_ce_pipe *ce_state);
 static void ath10k_pci_htt_tx_cb(struct ath10k_ce_pipe *ce_state);
 static void ath10k_pci_htt_rx_cb(struct ath10k_ce_pipe *ce_state);
+static void ath10k_pci_pktlog_rx_cb(struct ath10k_ce_pipe *ce_state);
 
 static const struct ce_attr host_ce_config_wlan[] = {
        /* CE0: host->target HTC control and raw streams */
@@ -189,6 +190,7 @@ static const struct ce_attr host_ce_config_wlan[] = {
                .src_nentries = 0,
                .src_sz_max = 2048,
                .dest_nentries = 128,
+               .recv_cb = ath10k_pci_pktlog_rx_cb,
        },
 
        /* CE9 target autonomous qcache memcpy */
@@ -1208,6 +1210,15 @@ static void ath10k_pci_htc_rx_cb(struct ath10k_ce_pipe *ce_state)
        ath10k_pci_process_rx_cb(ce_state, ath10k_htc_rx_completion_handler);
 }
 
+/* Called by lower (CE) layer when data is received from the Target.
+ * Only 10.4 firmware uses separate CE to transfer pktlog data.
+ */
+static void ath10k_pci_pktlog_rx_cb(struct ath10k_ce_pipe *ce_state)
+{
+       ath10k_pci_process_rx_cb(ce_state,
+                                ath10k_htt_rx_pktlog_completion_handler);
+}
+
 /* Called by lower (CE) layer when a send to HTT Target completes. */
 static void ath10k_pci_htt_tx_cb(struct ath10k_ce_pipe *ce_state)
 {