A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-10 06:09:23 -04:00
Code Issues Projects Releases Packages Wiki Activity

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

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

Change-Id: I0be68ec2c186a7b64d4d2f1c3de7dbb20e49d860
CRs-Fixed: 2860225
This commit is contained in:
Yeshwanth Sriram Guntuka 2021-02-10 15:15:40 +05:30 • committed by Madan Koyyalamudi
commit e3535751a9
1 changed files with 41 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

43
components/ipa/core/src/wlan_ipa_core.c
View file

@ -978,6 +978,33 @@ 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
@ -1054,9 +1081,21 @@ 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