aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorPeter Oh <[email protected]>2016-03-22 15:44:53 -0700
committerKalle Valo <[email protected]>2016-04-04 17:03:22 +0300
commit7d5efd0888331a0f7ed2e1d5a6977a32b7e9bfb7 (patch)
treeb8c9479cc1ad79aff9f28872377d0091048a62b6
parent5c86d97bcc1d42ce7f75685a61be4dad34ee8183 (diff)
ath10k: parse Rx MAC timestamp in mgmt frame for FW 10.4
Check and parse Rx MAC timestamp when firmware sets its flag to status variable. 10.4 firmware adds it in Rx beacon frame only at this moment. Drivers and mac80211 may utilize it to detect such clockdrift or beacon collision and use the result for beacon collision avoidance. Signed-off-by: Peter Oh <[email protected]> Signed-off-by: Kalle Valo <[email protected]>
-rw-r--r--drivers/net/wireless/ath/ath10k/wmi.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c
index ac8622718f58..f7ec65f263a0 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.c
+++ b/drivers/net/wireless/ath/ath10k/wmi.c
@@ -2192,6 +2192,8 @@ static int ath10k_wmi_10_4_op_pull_mgmt_rx_ev(struct ath10k *ar,
struct wmi_10_4_mgmt_rx_hdr *ev_hdr;
size_t pull_len;
u32 msdu_len;
+ struct wmi_mgmt_rx_ext_info *ext_info;
+ u32 len;
ev = (struct wmi_10_4_mgmt_rx_event *)skb->data;
ev_hdr = &ev->hdr;
@@ -2212,6 +2214,13 @@ static int ath10k_wmi_10_4_op_pull_mgmt_rx_ev(struct ath10k *ar,
if (skb->len < msdu_len)
return -EPROTO;
+ if (le32_to_cpu(arg->status) & WMI_RX_STATUS_EXT_INFO) {
+ len = ALIGN(le32_to_cpu(arg->buf_len), 4);
+ ext_info = (struct wmi_mgmt_rx_ext_info *)(skb->data + len);
+ memcpy(&arg->ext_info, ext_info,
+ sizeof(struct wmi_mgmt_rx_ext_info));
+ }
+
/* Make sure bytes added for padding are removed. */
skb_trim(skb, msdu_len);