/**
* adf_log_dhcp_pkt() - log DHCP packet
* @session_id: vdev_id
* @skb: skb pointer
* @dir: direction
*
* Return: true/false
*/
bool adf_log_dhcp_pkt(uint8_t session_id, struct sk_buff *skb,
enum adf_proto_dir dir)
{
enum adf_proto_subtype subtype = ADF_PROTO_INVALID;
if ((adf_dp_get_proto_bitmap() & NBUF_PKT_TRAC_TYPE_DHCP) &&
((dir == ADF_TX && ADF_NBUF_GET_IS_DHCP(skb)) ||
(dir == ADF_RX && adf_nbuf_is_dhcp_pkt(skb)))) {
subtype = adf_nbuf_get_dhcp_subtype(skb);
DPTRACE(adf_dp_trace_proto_pkt(ADF_DP_TRACE_DHCP_PACKET_RECORD,
session_id, (skb->data + ADF_NBUF_SRC_MAC_OFFSET),
(skb->data + ADF_NBUF_DEST_MAC_OFFSET),
ADF_PROTO_TYPE_DHCP, subtype,
dir));
if (ADF_TX == dir)
ADF_NBUF_CB_TX_DP_TRACE(skb) = 1;
else if (ADF_RX == dir)
ADF_NBUF_CB_RX_DP_TRACE(skb) = 1;
return true;
}
return false;
}
struct ol_tx_frms_queue_t *
ol_tx_classify(
struct ol_txrx_vdev_t *vdev,
struct ol_tx_desc_t *tx_desc,
adf_nbuf_t tx_nbuf,
struct ol_txrx_msdu_info_t *tx_msdu_info)
{
struct ol_txrx_pdev_t *pdev = vdev->pdev;
struct ol_txrx_peer_t *peer = NULL;
struct ol_tx_frms_queue_t *txq = NULL;
A_UINT8 *dest_addr;
A_UINT8 tid;
#if defined(CONFIG_HL_SUPPORT) && defined(FEATURE_WLAN_TDLS)
u_int8_t peer_id;
#endif
TX_SCHED_DEBUG_PRINT("Enter %s\n", __func__);
dest_addr = ol_tx_dest_addr_find(pdev, tx_nbuf);
if ((IEEE80211_IS_MULTICAST(dest_addr))
|| (vdev->opmode == wlan_op_mode_ocb)) {
txq = &vdev->txqs[OL_TX_VDEV_MCAST_BCAST];
tx_msdu_info->htt.info.ext_tid = HTT_TX_EXT_TID_NON_QOS_MCAST_BCAST;
if (vdev->opmode == wlan_op_mode_sta) {
/*
* The STA sends a frame with a broadcast dest addr (DA) as a
* unicast frame to the AP's receive addr (RA).
* Find the peer object that represents the AP that the STA
* is associated with.
*/
peer = ol_txrx_assoc_peer_find(vdev);
if (!peer) {
VOS_TRACE(VOS_MODULE_ID_TXRX, VOS_TRACE_LEVEL_ERROR,
"Error: STA %p (%02x:%02x:%02x:%02x:%02x:%02x) "
"trying to send bcast DA tx data frame "
"w/o association\n",
vdev,
vdev->mac_addr.raw[0], vdev->mac_addr.raw[1],
vdev->mac_addr.raw[2], vdev->mac_addr.raw[3],
vdev->mac_addr.raw[4], vdev->mac_addr.raw[5]);
return NULL; /* error */
} else if ((peer->security[OL_TXRX_PEER_SECURITY_MULTICAST].sec_type
!= htt_sec_type_wapi) &&
(A_STATUS_OK == adf_nbuf_is_dhcp_pkt(tx_nbuf))) {
/* DHCP frame to go with voice priority */
txq = &peer->txqs[TX_DHCP_TID];
tx_msdu_info->htt.info.ext_tid = TX_DHCP_TID;
}
/*
* The following line assumes each peer object has a single ID.
* This is currently true, and is expected to remain true.
*/
tx_msdu_info->htt.info.peer_id = peer->peer_ids[0];
} else if (vdev->opmode == wlan_op_mode_ocb) {
tx_msdu_info->htt.info.peer_id = HTT_INVALID_PEER_ID;
/* In OCB mode, don't worry about the peer. We don't need it. */
peer = NULL;
} else {
tx_msdu_info->htt.info.peer_id = HTT_INVALID_PEER_ID;
/*
* Look up the vdev's BSS peer, so that the classify_extension
* function can check whether to encrypt multicast / broadcast
* frames.
*/
peer = ol_txrx_peer_find_hash_find(pdev, vdev->mac_addr.raw, 0, 1);
if (!peer) {
VOS_TRACE(VOS_MODULE_ID_TXRX, VOS_TRACE_LEVEL_ERROR,
"Error: vdev %p (%02x:%02x:%02x:%02x:%02x:%02x) "
"trying to send bcast/mcast, but no self-peer found\n",
vdev,
vdev->mac_addr.raw[0], vdev->mac_addr.raw[1],
vdev->mac_addr.raw[2], vdev->mac_addr.raw[3],
vdev->mac_addr.raw[4], vdev->mac_addr.raw[5]);
return NULL; /* error */
}
}
tx_msdu_info->htt.info.is_unicast = FALSE;
} else {
/* tid would be overwritten for non QoS case*/
tid = ol_tx_tid(pdev, tx_nbuf, tx_msdu_info);
if ((HTT_TX_EXT_TID_INVALID == tid) || (tid >= OL_TX_NUM_TIDS)) {
VOS_TRACE(VOS_MODULE_ID_TXRX, VOS_TRACE_LEVEL_ERROR,
"%s Error: could not classify packet into valid TID(%d).\n",
__func__, tid);
return NULL;
}
#ifdef ATH_SUPPORT_WAPI
/* Check to see if a frame is a WAI frame */
if (tx_msdu_info->htt.info.ethertype == ETHERTYPE_WAI) {
/* WAI frames should not be encrypted */
tx_msdu_info->htt.action.do_encrypt = 0;
VOS_TRACE(VOS_MODULE_ID_TXRX, VOS_TRACE_LEVEL_INFO,
"Tx Frame is a WAI frame\n");
}
#endif /* ATH_SUPPORT_WAPI */
/*
* Find the peer and increment its reference count.
* If this vdev is an AP, use the dest addr (DA) to determine
* which peer STA this unicast data frame is for.
* If this vdev is a STA, the unicast data frame is for the
* AP the STA is associated with.
*/
if (vdev->opmode == wlan_op_mode_sta) {
/*
* TO DO:
* To support TDLS, first check if there is a TDLS peer STA,
* and if so, check if the DA matches the TDLS peer STA's
* MAC address.
* If there is no peer TDLS STA, or if the DA is not the
* TDLS STA's address, then the frame is either for the AP
* itself, or is supposed to be sent to the AP for forwarding.
*/
#if 0
if (vdev->num_tdls_peers > 0) {
peer = NULL;
for (i = 0; i < vdev->num_tdls_peers); i++) {
int differs = adf_os_mem_cmp(
vdev->tdls_peers[i]->mac_addr.raw,
dest_addr, OL_TXRX_MAC_ADDR_LEN);
if (!differs) {
peer = vdev->tdls_peers[i];
break;
}
}
} else {
/* send to AP */
peer = ol_txrx_assoc_peer_find(vdev);
}
#endif
#if defined(CONFIG_HL_SUPPORT) && defined(FEATURE_WLAN_TDLS)
if (vdev->hlTdlsFlag) {
peer = ol_txrx_find_peer_by_addr(pdev, vdev->hl_tdls_ap_mac_addr.raw, &peer_id);
if (peer && (peer->peer_ids[0] == HTT_INVALID_PEER_ID))
peer = NULL;
else {
if (peer)
adf_os_atomic_inc(&peer->ref_cnt);
}
}
if (!peer)
peer = ol_txrx_assoc_peer_find(vdev);
#else
peer = ol_txrx_assoc_peer_find(vdev);
#endif
} else {
