diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath10k/wmi.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath10k/wmi.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c index 228c3dd6713a..7f9800ac15ec 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.c +++ b/drivers/net/wireless/ath/ath10k/wmi.c @@ -3034,6 +3034,63 @@ static int ath10k_wmi_op_pull_swba_ev(struct ath10k *ar, struct sk_buff *skb, return 0; } +static int ath10k_wmi_10_4_op_pull_swba_ev(struct ath10k *ar, + struct sk_buff *skb, + struct wmi_swba_ev_arg *arg) +{ + struct wmi_10_4_host_swba_event *ev = (void *)skb->data; + u32 map, tim_len; + size_t i; + + if (skb->len < sizeof(*ev)) + return -EPROTO; + + skb_pull(skb, sizeof(*ev)); + arg->vdev_map = ev->vdev_map; + + for (i = 0, map = __le32_to_cpu(ev->vdev_map); map; map >>= 1) { + if (!(map & BIT(0))) + continue; + + /* If this happens there were some changes in firmware and + * ath10k should update the max size of tim_info array. + */ + if (WARN_ON_ONCE(i == ARRAY_SIZE(arg->tim_info))) + break; + + if (__le32_to_cpu(ev->bcn_info[i].tim_info.tim_len) > + sizeof(ev->bcn_info[i].tim_info.tim_bitmap)) { + ath10k_warn(ar, "refusing to parse invalid swba structure\n"); + return -EPROTO; + } + + tim_len = __le32_to_cpu(ev->bcn_info[i].tim_info.tim_len); + if (tim_len) { + /* Exclude 4 byte guard length */ + tim_len -= 4; + arg->tim_info[i].tim_len = __cpu_to_le32(tim_len); + } else { + arg->tim_info[i].tim_len = 0; + } + + arg->tim_info[i].tim_mcast = ev->bcn_info[i].tim_info.tim_mcast; + arg->tim_info[i].tim_bitmap = + ev->bcn_info[i].tim_info.tim_bitmap; + arg->tim_info[i].tim_changed = + ev->bcn_info[i].tim_info.tim_changed; + arg->tim_info[i].tim_num_ps_pending = + ev->bcn_info[i].tim_info.tim_num_ps_pending; + + /* 10.4 firmware doesn't have p2p support. notice of absence + * info can be ignored for now. + */ + + i++; + } + + return 0; +} + void ath10k_wmi_event_host_swba(struct ath10k *ar, struct sk_buff *skb) { struct wmi_swba_ev_arg arg = {}; @@ -4368,6 +4425,9 @@ static void ath10k_wmi_10_4_op_rx(struct ath10k *ar, struct sk_buff *skb) case WMI_10_4_READY_EVENTID: ath10k_wmi_event_ready(ar, skb); break; + case WMI_10_4_HOST_SWBA_EVENTID: + ath10k_wmi_event_host_swba(ar, skb); + break; default: ath10k_warn(ar, "Unknown eventid: %d\n", id); break; @@ -6299,6 +6359,7 @@ static const struct wmi_ops wmi_10_4_ops = { .rx = ath10k_wmi_10_4_op_rx, .map_svc = wmi_10_4_svc_map, .pull_mgmt_rx = ath10k_wmi_10_4_op_pull_mgmt_rx_ev, + .pull_swba = ath10k_wmi_10_4_op_pull_swba_ev, .pull_svc_rdy = ath10k_wmi_main_op_pull_svc_rdy_ev, .pull_rdy = ath10k_wmi_op_pull_rdy_ev, .gen_init = ath10k_wmi_10_4_op_gen_init, |