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author | Michal Kazior <michal.kazior@tieto.com> | 2015-03-10 14:21:54 (GMT) |
---|---|---|
committer | Kalle Valo <kvalo@qca.qualcomm.com> | 2015-03-12 12:38:08 (GMT) |
commit | c1a4654a8ce2b1c60bb46c900e7297078a8642f6 (patch) | |
tree | 9a407f6420b0bcc7116ac71c2ebf619749f3fdfb | |
parent | 7cc4573e85cd7f7179fdfe0b7d3114a4fbdd6f2a (diff) | |
download | linux-c1a4654a8ce2b1c60bb46c900e7297078a8642f6.tar.xz |
ath10k: implement wmi roam event
This can be used to implement offloaded rssi
threshold, beacon miss or even automatic
in-firmware BSS roaming in the future.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
-rw-r--r-- | drivers/net/wireless/ath/ath10k/wmi-ops.h | 12 | ||||
-rw-r--r-- | drivers/net/wireless/ath/ath10k/wmi-tlv.c | 32 | ||||
-rw-r--r-- | drivers/net/wireless/ath/ath10k/wmi-tlv.h | 6 | ||||
-rw-r--r-- | drivers/net/wireless/ath/ath10k/wmi.c | 55 | ||||
-rw-r--r-- | drivers/net/wireless/ath/ath10k/wmi.h | 22 |
5 files changed, 126 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath/ath10k/wmi-ops.h b/drivers/net/wireless/ath/ath10k/wmi-ops.h index c8b64e7..f0a8b8d 100644 --- a/drivers/net/wireless/ath/ath10k/wmi-ops.h +++ b/drivers/net/wireless/ath/ath10k/wmi-ops.h @@ -45,6 +45,8 @@ struct wmi_ops { struct wmi_rdy_ev_arg *arg); int (*pull_fw_stats)(struct ath10k *ar, struct sk_buff *skb, struct ath10k_fw_stats *stats); + int (*pull_roam_ev)(struct ath10k *ar, struct sk_buff *skb, + struct wmi_roam_ev_arg *arg); struct sk_buff *(*gen_pdev_suspend)(struct ath10k *ar, u32 suspend_opt); struct sk_buff *(*gen_pdev_resume)(struct ath10k *ar); @@ -274,6 +276,16 @@ ath10k_wmi_pull_fw_stats(struct ath10k *ar, struct sk_buff *skb, } static inline int +ath10k_wmi_pull_roam_ev(struct ath10k *ar, struct sk_buff *skb, + struct wmi_roam_ev_arg *arg) +{ + if (!ar->wmi.ops->pull_roam_ev) + return -EOPNOTSUPP; + + return ar->wmi.ops->pull_roam_ev(ar, skb, arg); +} + +static inline int ath10k_wmi_mgmt_tx(struct ath10k *ar, struct sk_buff *msdu) { struct ieee80211_tx_info *info = IEEE80211_SKB_CB(msdu); diff --git a/drivers/net/wireless/ath/ath10k/wmi-tlv.c b/drivers/net/wireless/ath/ath10k/wmi-tlv.c index 2e12637..3eec042 100644 --- a/drivers/net/wireless/ath/ath10k/wmi-tlv.c +++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.c @@ -66,6 +66,8 @@ static const struct wmi_tlv_policy wmi_tlv_policies[] = { = { .min_len = sizeof(struct wmi_tlv_diag_data_ev) }, [WMI_TLV_TAG_STRUCT_P2P_NOA_EVENT] = { .min_len = sizeof(struct wmi_tlv_p2p_noa_ev) }, + [WMI_TLV_TAG_STRUCT_ROAM_EVENT] + = { .min_len = sizeof(struct wmi_tlv_roam_ev) }, }; static int @@ -1059,6 +1061,35 @@ static int ath10k_wmi_tlv_op_pull_fw_stats(struct ath10k *ar, return 0; } +static int ath10k_wmi_tlv_op_pull_roam_ev(struct ath10k *ar, + struct sk_buff *skb, + struct wmi_roam_ev_arg *arg) +{ + const void **tb; + const struct wmi_tlv_roam_ev *ev; + int ret; + + tb = ath10k_wmi_tlv_parse_alloc(ar, skb->data, skb->len, GFP_ATOMIC); + if (IS_ERR(tb)) { + ret = PTR_ERR(tb); + ath10k_warn(ar, "failed to parse tlv: %d\n", ret); + return ret; + } + + ev = tb[WMI_TLV_TAG_STRUCT_ROAM_EVENT]; + if (!ev) { + kfree(tb); + return -EPROTO; + } + + arg->vdev_id = ev->vdev_id; + arg->reason = ev->reason; + arg->rssi = ev->rssi; + + kfree(tb); + return 0; +} + static struct sk_buff * ath10k_wmi_tlv_op_gen_pdev_suspend(struct ath10k *ar, u32 opt) { @@ -2783,6 +2814,7 @@ static const struct wmi_ops wmi_tlv_ops = { .pull_svc_rdy = ath10k_wmi_tlv_op_pull_svc_rdy_ev, .pull_rdy = ath10k_wmi_tlv_op_pull_rdy_ev, .pull_fw_stats = ath10k_wmi_tlv_op_pull_fw_stats, + .pull_roam_ev = ath10k_wmi_tlv_op_pull_roam_ev, .gen_pdev_suspend = ath10k_wmi_tlv_op_gen_pdev_suspend, .gen_pdev_resume = ath10k_wmi_tlv_op_gen_pdev_resume, diff --git a/drivers/net/wireless/ath/ath10k/wmi-tlv.h b/drivers/net/wireless/ath/ath10k/wmi-tlv.h index f4a626fd..06b37b2 100644 --- a/drivers/net/wireless/ath/ath10k/wmi-tlv.h +++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.h @@ -1458,6 +1458,12 @@ struct wmi_tlv_p2p_noa_ev { __le32 vdev_id; } __packed; +struct wmi_tlv_roam_ev { + __le32 vdev_id; + __le32 reason; + __le32 rssi; +} __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 29aef7e..58719d8 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.c +++ b/drivers/net/wireless/ath/ath10k/wmi.c @@ -2789,7 +2789,41 @@ void ath10k_wmi_event_phyerr(struct ath10k *ar, struct sk_buff *skb) void ath10k_wmi_event_roam(struct ath10k *ar, struct sk_buff *skb) { - ath10k_dbg(ar, ATH10K_DBG_WMI, "WMI_ROAM_EVENTID\n"); + struct wmi_roam_ev_arg arg = {}; + int ret; + u32 vdev_id; + u32 reason; + s32 rssi; + + ret = ath10k_wmi_pull_roam_ev(ar, skb, &arg); + if (ret) { + ath10k_warn(ar, "failed to parse roam event: %d\n", ret); + return; + } + + vdev_id = __le32_to_cpu(arg.vdev_id); + reason = __le32_to_cpu(arg.reason); + rssi = __le32_to_cpu(arg.rssi); + rssi += WMI_SPECTRAL_NOISE_FLOOR_REF_DEFAULT; + + ath10k_dbg(ar, ATH10K_DBG_WMI, + "wmi roam event vdev %u reason 0x%08x rssi %d\n", + vdev_id, reason, rssi); + + if (reason >= WMI_ROAM_REASON_MAX) + ath10k_warn(ar, "ignoring unknown roam event reason %d on vdev %i\n", + reason, vdev_id); + + switch (reason) { + case WMI_ROAM_REASON_BETTER_AP: + case WMI_ROAM_REASON_BEACON_MISS: + case WMI_ROAM_REASON_LOW_RSSI: + case WMI_ROAM_REASON_SUITABLE_AP_FOUND: + case WMI_ROAM_REASON_HO_FAILED: + ath10k_warn(ar, "ignoring not implemented roam event reason %d on vdev %i\n", + reason, vdev_id); + break; + } } void ath10k_wmi_event_profile_match(struct ath10k *ar, struct sk_buff *skb) @@ -3148,6 +3182,21 @@ static int ath10k_wmi_op_pull_rdy_ev(struct ath10k *ar, struct sk_buff *skb, return 0; } +static int ath10k_wmi_op_pull_roam_ev(struct ath10k *ar, struct sk_buff *skb, + struct wmi_roam_ev_arg *arg) +{ + struct wmi_roam_ev *ev = (void *)skb->data; + + if (skb->len < sizeof(*ev)) + return -EPROTO; + + skb_pull(skb, sizeof(*ev)); + arg->vdev_id = ev->vdev_id; + arg->reason = ev->reason; + + return 0; +} + int ath10k_wmi_event_ready(struct ath10k *ar, struct sk_buff *skb) { struct wmi_rdy_ev_arg arg = {}; @@ -5140,6 +5189,7 @@ static const struct wmi_ops wmi_ops = { .pull_svc_rdy = ath10k_wmi_main_op_pull_svc_rdy_ev, .pull_rdy = ath10k_wmi_op_pull_rdy_ev, .pull_fw_stats = ath10k_wmi_main_op_pull_fw_stats, + .pull_roam_ev = ath10k_wmi_op_pull_roam_ev, .gen_pdev_suspend = ath10k_wmi_op_gen_pdev_suspend, .gen_pdev_resume = ath10k_wmi_op_gen_pdev_resume, @@ -5207,6 +5257,7 @@ static const struct wmi_ops wmi_10_1_ops = { .pull_swba = ath10k_wmi_op_pull_swba_ev, .pull_phyerr = ath10k_wmi_op_pull_phyerr_ev, .pull_rdy = ath10k_wmi_op_pull_rdy_ev, + .pull_roam_ev = ath10k_wmi_op_pull_roam_ev, .gen_pdev_suspend = ath10k_wmi_op_gen_pdev_suspend, .gen_pdev_resume = ath10k_wmi_op_gen_pdev_resume, @@ -5270,6 +5321,7 @@ static const struct wmi_ops wmi_10_2_ops = { .pull_swba = ath10k_wmi_op_pull_swba_ev, .pull_phyerr = ath10k_wmi_op_pull_phyerr_ev, .pull_rdy = ath10k_wmi_op_pull_rdy_ev, + .pull_roam_ev = ath10k_wmi_op_pull_roam_ev, .gen_pdev_suspend = ath10k_wmi_op_gen_pdev_suspend, .gen_pdev_resume = ath10k_wmi_op_gen_pdev_resume, @@ -5330,6 +5382,7 @@ static const struct wmi_ops wmi_10_2_4_ops = { .pull_swba = ath10k_wmi_op_pull_swba_ev, .pull_phyerr = ath10k_wmi_op_pull_phyerr_ev, .pull_rdy = ath10k_wmi_op_pull_rdy_ev, + .pull_roam_ev = ath10k_wmi_op_pull_roam_ev, .gen_pdev_suspend = ath10k_wmi_op_gen_pdev_suspend, .gen_pdev_resume = ath10k_wmi_op_gen_pdev_resume, diff --git a/drivers/net/wireless/ath/ath10k/wmi.h b/drivers/net/wireless/ath/ath10k/wmi.h index adf935b..938e652 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.h +++ b/drivers/net/wireless/ath/ath10k/wmi.h @@ -4769,6 +4769,22 @@ struct wmi_dbglog_cfg_cmd { __le32 config_valid; } __packed; +enum wmi_roam_reason { + WMI_ROAM_REASON_BETTER_AP = 1, + WMI_ROAM_REASON_BEACON_MISS = 2, + WMI_ROAM_REASON_LOW_RSSI = 3, + WMI_ROAM_REASON_SUITABLE_AP_FOUND = 4, + WMI_ROAM_REASON_HO_FAILED = 5, + + /* keep last */ + WMI_ROAM_REASON_MAX, +}; + +struct wmi_roam_ev { + __le32 vdev_id; + __le32 reason; +} __packed; + #define ATH10K_FRAGMT_THRESHOLD_MIN 540 #define ATH10K_FRAGMT_THRESHOLD_MAX 2346 @@ -4857,6 +4873,12 @@ struct wmi_rdy_ev_arg { const u8 *mac_addr; }; +struct wmi_roam_ev_arg { + __le32 vdev_id; + __le32 reason; + __le32 rssi; +}; + struct wmi_pdev_temperature_event { /* temperature value in Celcius degree */ __le32 temperature; |