diff options
-rw-r--r-- | drivers/net/wireless/ath/ath11k/mac.c | 103 | ||||
-rw-r--r-- | drivers/net/wireless/ath/ath11k/wmi.c | 39 | ||||
-rw-r--r-- | drivers/net/wireless/ath/ath11k/wmi.h | 9 |
3 files changed, 143 insertions, 8 deletions
diff --git a/drivers/net/wireless/ath/ath11k/mac.c b/drivers/net/wireless/ath/ath11k/mac.c index 8842e590df48..e14da5e0f519 100644 --- a/drivers/net/wireless/ath/ath11k/mac.c +++ b/drivers/net/wireless/ath/ath11k/mac.c @@ -1423,10 +1423,67 @@ static bool ath11k_mac_set_nontx_vif_params(struct ath11k_vif *tx_arvif, return false; } -static void ath11k_mac_set_vif_params(struct ath11k_vif *arvif, - struct sk_buff *bcn) +static int ath11k_mac_setup_bcn_p2p_ie(struct ath11k_vif *arvif, + struct sk_buff *bcn) { + struct ath11k *ar = arvif->ar; + struct ieee80211_mgmt *mgmt; + const u8 *p2p_ie; + int ret; + + mgmt = (void *)bcn->data; + p2p_ie = cfg80211_find_vendor_ie(WLAN_OUI_WFA, WLAN_OUI_TYPE_WFA_P2P, + mgmt->u.beacon.variable, + bcn->len - (mgmt->u.beacon.variable - + bcn->data)); + if (!p2p_ie) + return -ENOENT; + + ret = ath11k_wmi_p2p_go_bcn_ie(ar, arvif->vdev_id, p2p_ie); + if (ret) { + ath11k_warn(ar->ab, "failed to submit P2P GO bcn ie for vdev %i: %d\n", + arvif->vdev_id, ret); + return ret; + } + + return ret; +} + +static int ath11k_mac_remove_vendor_ie(struct sk_buff *skb, unsigned int oui, + u8 oui_type, size_t ie_offset) +{ + size_t len; + const u8 *next, *end; + u8 *ie; + + if (WARN_ON(skb->len < ie_offset)) + return -EINVAL; + + ie = (u8 *)cfg80211_find_vendor_ie(oui, oui_type, + skb->data + ie_offset, + skb->len - ie_offset); + if (!ie) + return -ENOENT; + + len = ie[1] + 2; + end = skb->data + skb->len; + next = ie + len; + + if (WARN_ON(next > end)) + return -EINVAL; + + memmove(ie, next, end - next); + skb_trim(skb, skb->len - len); + + return 0; +} + +static int ath11k_mac_set_vif_params(struct ath11k_vif *arvif, + struct sk_buff *bcn) +{ + struct ath11k_base *ab = arvif->ar->ab; struct ieee80211_mgmt *mgmt; + int ret = 0; u8 *ies; ies = bcn->data + ieee80211_get_hdrlen_from_skb(bcn); @@ -1444,6 +1501,32 @@ static void ath11k_mac_set_vif_params(struct ath11k_vif *arvif, arvif->wpaie_present = true; else arvif->wpaie_present = false; + + if (arvif->vdev_subtype != WMI_VDEV_SUBTYPE_P2P_GO) + return ret; + + ret = ath11k_mac_setup_bcn_p2p_ie(arvif, bcn); + if (ret) { + ath11k_warn(ab, "failed to setup P2P GO bcn ie: %d\n", + ret); + return ret; + } + + /* P2P IE is inserted by firmware automatically (as + * configured above) so remove it from the base beacon + * template to avoid duplicate P2P IEs in beacon frames. + */ + ret = ath11k_mac_remove_vendor_ie(bcn, WLAN_OUI_WFA, + WLAN_OUI_TYPE_WFA_P2P, + offsetof(struct ieee80211_mgmt, + u.beacon.variable)); + if (ret) { + ath11k_warn(ab, "failed to remove P2P vendor ie: %d\n", + ret); + return ret; + } + + return ret; } static int ath11k_mac_setup_bcn_tmpl_ema(struct ath11k_vif *arvif) @@ -1465,10 +1548,12 @@ static int ath11k_mac_setup_bcn_tmpl_ema(struct ath11k_vif *arvif) return -EPERM; } - if (tx_arvif == arvif) - ath11k_mac_set_vif_params(tx_arvif, beacons->bcn[0].skb); - else + if (tx_arvif == arvif) { + if (ath11k_mac_set_vif_params(tx_arvif, beacons->bcn[0].skb)) + return -EINVAL; + } else { arvif->wpaie_present = tx_arvif->wpaie_present; + } for (i = 0; i < beacons->cnt; i++) { if (tx_arvif != arvif && !nontx_vif_params_set) @@ -1527,10 +1612,12 @@ static int ath11k_mac_setup_bcn_tmpl_mbssid(struct ath11k_vif *arvif) return -EPERM; } - if (tx_arvif == arvif) - ath11k_mac_set_vif_params(tx_arvif, bcn); - else if (!ath11k_mac_set_nontx_vif_params(tx_arvif, arvif, bcn)) + if (tx_arvif == arvif) { + if (ath11k_mac_set_vif_params(tx_arvif, bcn)) + return -EINVAL; + } else if (!ath11k_mac_set_nontx_vif_params(tx_arvif, arvif, bcn)) { return -EINVAL; + } ret = ath11k_wmi_bcn_tmpl(ar, arvif->vdev_id, &offs, bcn, 0); kfree_skb(bcn); diff --git a/drivers/net/wireless/ath/ath11k/wmi.c b/drivers/net/wireless/ath/ath11k/wmi.c index 34ab9631ff36..d86fcdd374c6 100644 --- a/drivers/net/wireless/ath/ath11k/wmi.c +++ b/drivers/net/wireless/ath/ath11k/wmi.c @@ -1704,6 +1704,45 @@ int ath11k_wmi_send_bcn_offload_control_cmd(struct ath11k *ar, return ret; } +int ath11k_wmi_p2p_go_bcn_ie(struct ath11k *ar, u32 vdev_id, + const u8 *p2p_ie) +{ + struct ath11k_pdev_wmi *wmi = ar->wmi; + struct wmi_p2p_go_set_beacon_ie_cmd *cmd; + size_t p2p_ie_len, aligned_len; + struct wmi_tlv *tlv; + struct sk_buff *skb; + int ret, len; + + p2p_ie_len = p2p_ie[1] + 2; + aligned_len = roundup(p2p_ie_len, 4); + + len = sizeof(*cmd) + TLV_HDR_SIZE + aligned_len; + + skb = ath11k_wmi_alloc_skb(wmi->wmi_ab, len); + if (!skb) + return -ENOMEM; + + cmd = (struct wmi_p2p_go_set_beacon_ie_cmd *)skb->data; + cmd->tlv_header = FIELD_PREP(WMI_TLV_TAG, WMI_TAG_P2P_GO_SET_BEACON_IE) | + FIELD_PREP(WMI_TLV_LEN, sizeof(*cmd) - TLV_HDR_SIZE); + cmd->vdev_id = vdev_id; + cmd->ie_buf_len = p2p_ie_len; + + tlv = (struct wmi_tlv *)cmd->tlv; + tlv->header = FIELD_PREP(WMI_TLV_TAG, WMI_TAG_ARRAY_BYTE) | + FIELD_PREP(WMI_TLV_LEN, aligned_len); + memcpy(tlv->value, p2p_ie, p2p_ie_len); + + ret = ath11k_wmi_cmd_send(wmi, skb, WMI_P2P_GO_SET_BEACON_IE); + if (ret) { + ath11k_warn(ar->ab, "failed to send WMI_P2P_GO_SET_BEACON_IE\n"); + dev_kfree_skb(skb); + } + + return ret; +} + int ath11k_wmi_bcn_tmpl(struct ath11k *ar, u32 vdev_id, struct ieee80211_mutable_offsets *offs, struct sk_buff *bcn, u32 ema_params) diff --git a/drivers/net/wireless/ath/ath11k/wmi.h b/drivers/net/wireless/ath/ath11k/wmi.h index 1c980f56bc72..9b8344a74a6f 100644 --- a/drivers/net/wireless/ath/ath11k/wmi.h +++ b/drivers/net/wireless/ath/ath11k/wmi.h @@ -3625,6 +3625,13 @@ struct wmi_bcn_tmpl_cmd { u32 ema_params; } __packed; +struct wmi_p2p_go_set_beacon_ie_cmd { + u32 tlv_header; + u32 vdev_id; + u32 ie_buf_len; + u8 tlv[]; +} __packed; + struct wmi_key_seq_counter { u32 key_seq_counter_l; u32 key_seq_counter_h; @@ -6321,6 +6328,8 @@ int ath11k_wmi_cmd_send(struct ath11k_pdev_wmi *wmi, struct sk_buff *skb, struct sk_buff *ath11k_wmi_alloc_skb(struct ath11k_wmi_base *wmi_sc, u32 len); int ath11k_wmi_mgmt_send(struct ath11k *ar, u32 vdev_id, u32 buf_id, struct sk_buff *frame); +int ath11k_wmi_p2p_go_bcn_ie(struct ath11k *ar, u32 vdev_id, + const u8 *p2p_ie); int ath11k_wmi_bcn_tmpl(struct ath11k *ar, u32 vdev_id, struct ieee80211_mutable_offsets *offs, struct sk_buff *bcn, u32 ema_param); |