diff options
| -rw-r--r-- | core/hdd/src/wlan_hdd_ipa.c | 47 |
1 files changed, 46 insertions, 1 deletions
diff --git a/core/hdd/src/wlan_hdd_ipa.c b/core/hdd/src/wlan_hdd_ipa.c index 6d1377ef0b02..05978a3acba8 100644 --- a/core/hdd/src/wlan_hdd_ipa.c +++ b/core/hdd/src/wlan_hdd_ipa.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2013-2020 The Linux Foundation. All rights reserved. + * Copyright (c) 2013-2021 The Linux Foundation. All rights reserved. * * Permission to use, copy, modify, and/or distribute this software for * any purpose with or without fee is hereby granted, provided that the @@ -5798,6 +5798,12 @@ static void __hdd_ipa_w2i_cb(void *priv, enum ipa_dp_evt_type evt, struct hdd_ipa_iface_context *iface_context; uint8_t fw_desc; QDF_STATUS status = QDF_STATUS_SUCCESS; + bool is_eapol_wapi = false; + struct qdf_mac_addr peer_mac_addr = QDF_MAC_ADDR_ZERO_INITIALIZER; + uint8_t sta_idx; + ol_txrx_peer_handle peer; + ol_txrx_pdev_handle pdev; + hdd_station_ctx_t *sta_ctx; hdd_ipa = (struct hdd_ipa_priv *)priv; @@ -5821,6 +5827,13 @@ static void __hdd_ipa_w2i_cb(void *priv, enum ipa_dp_evt_type evt, return; } + pdev = cds_get_context(QDF_MODULE_ID_TXRX); + if (NULL == pdev) { + WMA_LOGE("%s: DP pdev is NULL", __func__); + kfree_skb(skb); + return; + } + if (hdd_ipa_uc_is_enabled(hdd_ipa->hdd_ctx)) { session_id = (uint8_t)skb->cb[0]; iface_id = hdd_ipa->vdev_to_iface[session_id]; @@ -5863,6 +5876,38 @@ static void __hdd_ipa_w2i_cb(void *priv, enum ipa_dp_evt_type evt, skb_pull(skb, HDD_IPA_WLAN_CLD_HDR_LEN); } + if (iface_context->adapter->device_mode == QDF_STA_MODE) { + sta_ctx = WLAN_HDD_GET_STATION_CTX_PTR( + iface_context->adapter); + qdf_copy_macaddr(&peer_mac_addr, + &sta_ctx->conn_info.bssId); + } else if (iface_context->adapter->device_mode + == QDF_SAP_MODE) { + qdf_mem_copy(peer_mac_addr.bytes, qdf_nbuf_data(skb) + + QDF_NBUF_SRC_MAC_OFFSET, + QDF_MAC_ADDR_SIZE); + } + + if (qdf_nbuf_is_ipv4_eapol_pkt(skb) || + qdf_nbuf_is_ipv4_wapi_pkt(skb)) + is_eapol_wapi = true; + + peer = ol_txrx_find_peer_by_addr(pdev, peer_mac_addr.bytes, + &sta_idx); + + /* + * Check for peer auth state before allowing non-EAPOL/WAPI + * frames to be intrabss forwarded or submitted to stack. + */ + if (peer && ol_txrx_get_peer_state(peer) != + OL_TXRX_PEER_STATE_AUTH && !is_eapol_wapi) { + HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, + "non-EAPOL/WAPI frame received when peer is unauthorized"); + hdd_ipa->ipa_rx_internal_drop_count++; + kfree_skb(skb); + return; + } + iface_context->stats.num_rx_ipa_excep++; /* Disable to forward Intra-BSS Rx packets when |