diff options
| -rw-r--r-- | core/hdd/src/wlan_hdd_ipa.c | 52 |
1 files changed, 50 insertions, 2 deletions
diff --git a/core/hdd/src/wlan_hdd_ipa.c b/core/hdd/src/wlan_hdd_ipa.c index d7a6b5e6c8ba..5ad2fe28db90 100644 --- a/core/hdd/src/wlan_hdd_ipa.c +++ b/core/hdd/src/wlan_hdd_ipa.c @@ -5765,6 +5765,40 @@ static enum hdd_ipa_forward_type hdd_ipa_intrabss_forward( } /** + * wlan_ipa_eapol_intrabss_fwd_check() - Check if eapol pkt intrabss fwd is + * allowed or not + * @nbuf: network buffer + * @vdev_id: vdev id + * + * Return: true if intrabss fwd is allowed for eapol else false + */ +static bool +wlan_ipa_eapol_intrabss_fwd_check(qdf_nbuf_t nbuf, uint8_t vdev_id) +{ + ol_txrx_vdev_handle vdev; + uint8_t *vdev_mac_addr; + + vdev = ol_txrx_get_vdev_from_vdev_id(vdev_id); + + if (!vdev) { + HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, "txrx vdev is NULL for vdev_id = %d", + vdev_id); + return false; + } + + vdev_mac_addr = ol_txrx_get_vdev_mac_addr( vdev); + + if (!vdev_mac_addr) + return false; + + if (qdf_mem_cmp(qdf_nbuf_data(nbuf) + QDF_NBUF_DEST_MAC_OFFSET, + vdev_mac_addr, QDF_MAC_ADDR_SIZE)) + return false; + + return true; +} + +/** * __hdd_ipa_w2i_cb() - WLAN to IPA callback handler * @priv: pointer to private data registered with IPA (we register a * pointer to the global IPA context) @@ -5874,9 +5908,23 @@ static void __hdd_ipa_w2i_cb(void *priv, enum ipa_dp_evt_type evt, QDF_MAC_ADDR_SIZE); } - if (qdf_nbuf_is_ipv4_eapol_pkt(skb) || - qdf_nbuf_is_ipv4_wapi_pkt(skb)) + if (qdf_nbuf_is_ipv4_eapol_pkt(skb)) { is_eapol_wapi = true; + if (iface_context->adapter->device_mode == + QDF_SAP_MODE && + !wlan_ipa_eapol_intrabss_fwd_check(skb, + iface_context->adapter->sessionId)) { + HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, + "EAPOL intrabss fwd drop DA: %pM", + qdf_nbuf_data(skb) + + QDF_NBUF_DEST_MAC_OFFSET); + hdd_ipa->ipa_rx_internal_drop_count++; + kfree_skb(skb); + return; + } + } else if (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); |