ath10k: implement beacon template command

New firmware revisions may support setting beacon
template. Implement wmi interface for it.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>

diff --git a/drivers/net/wireless/ath/ath10k/wmi-ops.h b/drivers/net/wireless/ath/ath10k/wmi-ops.h
index 3a3d15e..5469702 100644 (file)
--- a/drivers/net/wireless/ath/ath10k/wmi-ops.h
+++ b/drivers/net/wireless/ath/ath10k/wmi-ops.h
@@ -129,6 +129,10 @@ struct wmi_ops {
        struct sk_buff *(*gen_delba_send)(struct ath10k *ar, u32 vdev_id,
                                          const u8 *mac, u32 tid, u32 initiator,
                                          u32 reason);
+       struct sk_buff *(*gen_bcn_tmpl)(struct ath10k *ar, u32 vdev_id,
+                                       u32 tim_ie_offset, struct sk_buff *bcn,
+                                       u32 prb_caps, u32 prb_erp,
+                                       void *prb_ies, size_t prb_ies_len);
 };
 
 int ath10k_wmi_cmd_send(struct ath10k *ar, struct sk_buff *skb, u32 cmd_id);
@@ -935,4 +939,23 @@ ath10k_wmi_delba_send(struct ath10k *ar, u32 vdev_id, const u8 *mac,
                                   ar->wmi.cmd->delba_send_cmdid);
 }
 
+static inline int
+ath10k_wmi_bcn_tmpl(struct ath10k *ar, u32 vdev_id, u32 tim_ie_offset,
+                   struct sk_buff *bcn, u32 prb_caps, u32 prb_erp,
+                   void *prb_ies, size_t prb_ies_len)
+{
+       struct sk_buff *skb;
+
+       if (!ar->wmi.ops->gen_bcn_tmpl)
+               return -EOPNOTSUPP;
+
+       skb = ar->wmi.ops->gen_bcn_tmpl(ar, vdev_id, tim_ie_offset, bcn,
+                                       prb_caps, prb_erp, prb_ies,
+                                       prb_ies_len);
+       if (IS_ERR(skb))
+               return PTR_ERR(skb);
+
+       return ath10k_wmi_cmd_send(ar, skb, ar->wmi.cmd->bcn_tmpl_cmdid);
+}
+
 #endif

diff --git a/drivers/net/wireless/ath/ath10k/wmi-tlv.c b/drivers/net/wireless/ath/ath10k/wmi-tlv.c
index 67138a6..08a9b2b 100644 (file)
--- a/drivers/net/wireless/ath/ath10k/wmi-tlv.c
+++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.c
@@ -1972,6 +1972,70 @@ ath10k_wmi_tlv_op_gen_pktlog_disable(struct ath10k *ar)
        return skb;
 }
 
+static struct sk_buff *
+ath10k_wmi_tlv_op_gen_bcn_tmpl(struct ath10k *ar, u32 vdev_id,
+                              u32 tim_ie_offset, struct sk_buff *bcn,
+                              u32 prb_caps, u32 prb_erp, void *prb_ies,
+                              size_t prb_ies_len)
+{
+       struct wmi_tlv_bcn_tmpl_cmd *cmd;
+       struct wmi_tlv_bcn_prb_info *info;
+       struct wmi_tlv *tlv;
+       struct sk_buff *skb;
+       void *ptr;
+       size_t len;
+
+       if (WARN_ON(prb_ies_len > 0 && !prb_ies))
+               return ERR_PTR(-EINVAL);
+
+       len = sizeof(*tlv) + sizeof(*cmd) +
+             sizeof(*tlv) + sizeof(*info) + prb_ies_len +
+             sizeof(*tlv) + roundup(bcn->len, 4);
+       skb = ath10k_wmi_alloc_skb(ar, len);
+       if (!skb)
+               return ERR_PTR(-ENOMEM);
+
+       ptr = (void *)skb->data;
+       tlv = ptr;
+       tlv->tag = __cpu_to_le16(WMI_TLV_TAG_STRUCT_BCN_TMPL_CMD);
+       tlv->len = __cpu_to_le16(sizeof(*cmd));
+       cmd = (void *)tlv->value;
+       cmd->vdev_id = __cpu_to_le32(vdev_id);
+       cmd->tim_ie_offset = __cpu_to_le32(tim_ie_offset);
+       cmd->buf_len = __cpu_to_le32(bcn->len);
+
+       ptr += sizeof(*tlv);
+       ptr += sizeof(*cmd);
+
+       /* FIXME: prb_ies_len should be probably aligned to 4byte boundary but
+        * then it is then impossible to pass original ie len.
+        * This chunk is not used yet so if setting probe resp template yields
+        * problems with beaconing or crashes firmware look here.
+        */
+       tlv = ptr;
+       tlv->tag = __cpu_to_le16(WMI_TLV_TAG_STRUCT_BCN_PRB_INFO);
+       tlv->len = __cpu_to_le16(sizeof(*info) + prb_ies_len);
+       info = (void *)tlv->value;
+       info->caps = __cpu_to_le32(prb_caps);
+       info->erp = __cpu_to_le32(prb_erp);
+       memcpy(info->ies, prb_ies, prb_ies_len);
+
+       ptr += sizeof(*tlv);
+       ptr += sizeof(*info);
+       ptr += prb_ies_len;
+
+       tlv = ptr;
+       tlv->tag = __cpu_to_le16(WMI_TLV_TAG_ARRAY_BYTE);
+       tlv->len = __cpu_to_le16(roundup(bcn->len, 4));
+       memcpy(tlv->value, bcn->data, bcn->len);
+
+       /* FIXME: Adjust TSF? */
+
+       ath10k_dbg(ar, ATH10K_DBG_WMI, "wmi tlv bcn tmpl vdev_id %i\n",
+                  vdev_id);
+       return skb;
+}
+
 /****************/
 /* TLV mappings */
 /****************/
@@ -2261,6 +2325,7 @@ static const struct wmi_ops wmi_tlv_ops = {
        /* .gen_addba_send not implemented */
        /* .gen_addba_set_resp not implemented */
        /* .gen_delba_send not implemented */
+       .gen_bcn_tmpl = ath10k_wmi_tlv_op_gen_bcn_tmpl,
 };
 
 /************/

diff --git a/drivers/net/wireless/ath/ath10k/wmi-tlv.h b/drivers/net/wireless/ath/ath10k/wmi-tlv.h
index ee19353..c477365 100644 (file)
--- a/drivers/net/wireless/ath/ath10k/wmi-tlv.h
+++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.h
@@ -1387,6 +1387,18 @@ struct wmi_tlv_bcn_tx_status_ev {
        __le32 tx_status;
 } __packed;
 
+struct wmi_tlv_bcn_prb_info {
+       __le32 caps;
+       __le32 erp;
+       u8 ies[0];
+} __packed;
+
+struct wmi_tlv_bcn_tmpl_cmd {
+       __le32 vdev_id;
+       __le32 tim_ie_offset;
+       __le32 buf_len;
+} __packed;
+
 void ath10k_wmi_tlv_attach(struct ath10k *ar);
 
 #endif

diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c
index 2d3c700..d37a485 100644 (file)
--- a/drivers/net/wireless/ath/ath10k/wmi.c
+++ b/drivers/net/wireless/ath/ath10k/wmi.c
@@ -5038,6 +5038,7 @@ static const struct wmi_ops wmi_ops = {
        .gen_addba_send = ath10k_wmi_op_gen_addba_send,
        .gen_addba_set_resp = ath10k_wmi_op_gen_addba_set_resp,
        .gen_delba_send = ath10k_wmi_op_gen_delba_send,
+       /* .gen_bcn_tmpl not implemented */
 };
 
 static const struct wmi_ops wmi_10_1_ops = {
@@ -5096,6 +5097,7 @@ static const struct wmi_ops wmi_10_1_ops = {
        .gen_addba_send = ath10k_wmi_op_gen_addba_send,
        .gen_addba_set_resp = ath10k_wmi_op_gen_addba_set_resp,
        .gen_delba_send = ath10k_wmi_op_gen_delba_send,
+       /* .gen_bcn_tmpl not implemented */
 };
 
 static const struct wmi_ops wmi_10_2_ops = {
@@ -5214,6 +5216,7 @@ static const struct wmi_ops wmi_10_2_4_ops = {
        .gen_addba_send = ath10k_wmi_op_gen_addba_send,
        .gen_addba_set_resp = ath10k_wmi_op_gen_addba_set_resp,
        .gen_delba_send = ath10k_wmi_op_gen_delba_send,
+       /* .gen_bcn_tmpl not implemented */
 };
 
 int ath10k_wmi_attach(struct ath10k *ar)