[PATCH 2/5] ath10k: implement beacon template command
Bartosz Markowski
bartosz.markowski at tieto.com
Wed Dec 17 07:21:48 PST 2014
From: Michal Kazior <michal.kazior at tieto.com>
New firmware revisions may support setting beacon
template. Implement wmi interface for it.
Signed-off-by: Michal Kazior <michal.kazior at tieto.com>
---
drivers/net/wireless/ath/ath10k/wmi-ops.h | 23 +++++++++++
drivers/net/wireless/ath/ath10k/wmi-tlv.c | 65 +++++++++++++++++++++++++++++++
drivers/net/wireless/ath/ath10k/wmi-tlv.h | 12 ++++++
drivers/net/wireless/ath/ath10k/wmi.c | 3 ++
4 files changed, 103 insertions(+)
diff --git a/drivers/net/wireless/ath/ath10k/wmi-ops.h b/drivers/net/wireless/ath/ath10k/wmi-ops.h
index 1fbc520..fb12666 100644
--- a/drivers/net/wireless/ath/ath10k/wmi-ops.h
+++ b/drivers/net/wireless/ath/ath10k/wmi-ops.h
@@ -114,6 +114,10 @@ struct wmi_ops {
struct sk_buff *(*gen_dbglog_cfg)(struct ath10k *ar, u32 module_enable);
struct sk_buff *(*gen_pktlog_enable)(struct ath10k *ar, u32 filter);
struct sk_buff *(*gen_pktlog_disable)(struct ath10k *ar);
+ 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);
@@ -818,4 +822,23 @@ ath10k_wmi_pdev_pktlog_disable(struct ath10k *ar)
ar->wmi.cmd->pdev_pktlog_disable_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 0f7a3ae..f6ea938 100644
--- 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 */
/****************/
@@ -2254,6 +2318,7 @@ static const struct wmi_ops wmi_tlv_ops = {
.gen_dbglog_cfg = ath10k_wmi_tlv_op_gen_dbglog_cfg,
.gen_pktlog_enable = ath10k_wmi_tlv_op_gen_pktlog_enable,
.gen_pktlog_disable = ath10k_wmi_tlv_op_gen_pktlog_disable,
+ .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
--- 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 fa486f6..f75a1a3 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.c
+++ b/drivers/net/wireless/ath/ath10k/wmi.c
@@ -4638,6 +4638,7 @@ static const struct wmi_ops wmi_ops = {
.gen_dbglog_cfg = ath10k_wmi_op_gen_dbglog_cfg,
.gen_pktlog_enable = ath10k_wmi_op_gen_pktlog_enable,
.gen_pktlog_disable = ath10k_wmi_op_gen_pktlog_disable,
+ /* .gen_bcn_tmpl not implemented */
};
static const struct wmi_ops wmi_10_1_ops = {
@@ -4690,6 +4691,7 @@ static const struct wmi_ops wmi_10_1_ops = {
.gen_dbglog_cfg = ath10k_wmi_op_gen_dbglog_cfg,
.gen_pktlog_enable = ath10k_wmi_op_gen_pktlog_enable,
.gen_pktlog_disable = ath10k_wmi_op_gen_pktlog_disable,
+ /* .gen_bcn_tmpl not implemented */
};
static const struct wmi_ops wmi_10_2_ops = {
@@ -4743,6 +4745,7 @@ static const struct wmi_ops wmi_10_2_ops = {
.gen_dbglog_cfg = ath10k_wmi_op_gen_dbglog_cfg,
.gen_pktlog_enable = ath10k_wmi_op_gen_pktlog_enable,
.gen_pktlog_disable = ath10k_wmi_op_gen_pktlog_disable,
+ /* .gen_bcn_tmpl not implemented */
};
int ath10k_wmi_attach(struct ath10k *ar)
--
1.8.2
More information about the ath10k
mailing list