Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 041516f8 authored by Yeshwanth Sriram Guntuka's avatar Yeshwanth Sriram Guntuka Committed by Madan Koyyalamudi
Browse files

qcacld-3.0: Do not intrabss fwd EAPOL frames in IPA exc path 

Do not intrabss forward EAPOL frames received in IPA
exception path.

Change-Id: I0be68ec2c186a7b64d4d2f1c3de7dbb20e49d860
CRs-Fixed: 2860225
parent f2975edc

components/ipa/core/src/wlan_ipa_core.c

+41 −2
Original line number Diff line number Diff line
@@ -971,6 +971,33 @@ wlan_ipa_send_skb_to_network(qdf_nbuf_t skb, 
	ipa_ctx->ipa_rx_net_send_count++;

}



/**

 * wlan_ipa_eapol_intrabss_fwd_check() - Check if eapol pkt intrabss fwd is

 *  allowed or not

 * @ipa_ctx: IPA global context

 * @vdev_id: vdev id

 * @nbuf: network buffer

 *

 * Return: true if intrabss fwd is allowed for eapol else false

 */

static bool

wlan_ipa_eapol_intrabss_fwd_check(struct wlan_ipa_priv *ipa_ctx,

				  uint8_t vdev_id, qdf_nbuf_t nbuf)

{

	uint8_t *vdev_mac_addr;



	vdev_mac_addr = cdp_get_vdev_mac_addr(ipa_ctx->dp_soc, vdev_id);



	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;

}



/**

 * __wlan_ipa_w2i_cb() - WLAN to IPA callback handler

 * @priv: pointer to private data registered with IPA (we register a
@@ -1047,9 +1074,21 @@ static void __wlan_ipa_w2i_cb(void *priv, qdf_ipa_dp_evt_type_t evt, 
				     QDF_NBUF_SRC_MAC_OFFSET,

				     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->device_mode == QDF_SAP_MODE &&

			    !wlan_ipa_eapol_intrabss_fwd_check(ipa_ctx,

					      iface_context->session_id, skb)) {

				ipa_err_rl("EAPOL intrabss fwd drop DA:"QDF_MAC_ADDR_FMT,

					   QDF_MAC_ADDR_REF(qdf_nbuf_data(skb) +

					   QDF_NBUF_DEST_MAC_OFFSET));

				ipa_ctx->ipa_rx_internal_drop_count++;

				dev_kfree_skb_any(skb);

				return;

			}

		} else if (qdf_nbuf_is_ipv4_wapi_pkt(skb)) {

			is_eapol_wapi = true;

		}



		/*

		 * Check for peer authorized state before allowing