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qcacmn: RAW Mode EAPOL Frame Classification

Browse source 
Host CCE Classification changes for RAW Mode workaround
RAW Mode EAPOL frame classification for raw mode

Change-Id: I533c2e8bb55e3cd5088c6bff046e67066c784053
CRs-fixed: 2132295
This commit is contained in:
Ruchi, Agrawal 2017-12-08 00:04:33 +05:30 • committed by snandini
commit 4c1468fb23
4 changed files with 61 additions and 9 deletions
Download patch file Download diff file Expand all files Collapse all files

3
dp/inc/cdp_txrx_cmn_struct.h
View file

@ -998,6 +998,9 @@ struct cdp_tx_ingress_stats {
/*Number of packets classified by CCE*/
uint32_t cce_classified;
/*Number of raw packets classified by CCE*/
uint32_t cce_classified_raw;
};
struct cdp_vdev_stats {

3
dp/wifi3.0/dp_main.c
View file

@ -4008,6 +4008,7 @@ static inline void dp_aggregate_pdev_stats(struct dp_pdev *pdev)
DP_STATS_AGGR(pdev, vdev, tx_i.dropped.desc_na);
DP_STATS_AGGR(pdev, vdev, tx_i.dropped.res_full);
DP_STATS_AGGR(pdev, vdev, tx_i.cce_classified);
DP_STATS_AGGR(pdev, vdev, tx_i.cce_classified_raw);
pdev->stats.tx_i.dropped.dropped_pkt.num =
pdev->stats.tx_i.dropped.dma_error +
@ -4125,6 +4126,8 @@ dp_print_pdev_tx_stats(struct dp_pdev *pdev)
DP_PRINT_STATS("CCE Classified:");
DP_TRACE(FATAL, " CCE Classified Packets: %u",
pdev->stats.tx_i.cce_classified);
DP_TRACE(FATAL, " RAW CCE Classified Packets: %u",
pdev->stats.tx_i.cce_classified_raw);
}
/**

59
dp/wifi3.0/dp_tx.c
View file

@ -878,27 +878,67 @@ static QDF_STATUS dp_tx_hw_enqueue(struct dp_soc *soc, struct dp_vdev *vdev,
* Return: bool( true if classified,
* else false)
*/
static bool dp_cce_classify(qdf_nbuf_t nbuf)
static bool dp_cce_classify(struct dp_vdev *vdev, qdf_nbuf_t nbuf)
{
struct ether_header *eh = NULL;
uint16_t ether_type;
qdf_llc_t *llcHdr;
qdf_nbuf_t nbuf_clone = NULL;
qdf_dot3_qosframe_t *qos_wh = NULL;
eh = (struct ether_header *) qdf_nbuf_data(nbuf);
ether_type = eh->ether_type;
/* for mesh packets don't do any classification */
if (qdf_unlikely(vdev->mesh_vdev))
return false;
llcHdr = (qdf_llc_t *)(nbuf->data + sizeof(struct ether_header));
if (qdf_likely(vdev->tx_encap_type != htt_cmn_pkt_type_raw)) {
eh = (struct ether_header *) qdf_nbuf_data(nbuf);
ether_type = eh->ether_type;
llcHdr = (qdf_llc_t *)(nbuf->data +
sizeof(struct ether_header));
} else {
qos_wh = (qdf_dot3_qosframe_t *) nbuf->data;
if (qdf_unlikely(qos_wh->i_fc[0] & QDF_IEEE80211_FC0_SUBTYPE_QOS)) {
if (qdf_unlikely(
qos_wh->i_fc[1] & QDF_IEEE80211_FC1_TODS &&
qos_wh->i_fc[1] & QDF_IEEE80211_FC1_FROMDS)) {
ether_type = *(uint16_t *)(nbuf->data
+ QDF_IEEE80211_4ADDR_HDR_LEN
+ sizeof(qdf_llc_t)
- sizeof(ether_type));
llcHdr = (qdf_llc_t *)(nbuf->data +
QDF_IEEE80211_4ADDR_HDR_LEN);
} else {
ether_type = *(uint16_t *)(nbuf->data
+ QDF_IEEE80211_3ADDR_HDR_LEN
+ sizeof(qdf_llc_t)
- sizeof(ether_type));
llcHdr = (qdf_llc_t *)(nbuf->data +
QDF_IEEE80211_3ADDR_HDR_LEN);
}
if (qdf_unlikely(DP_FRAME_IS_SNAP(llcHdr)
&& (ether_type ==
qdf_htons(QDF_NBUF_TRAC_EAPOL_ETH_TYPE)))) {
DP_STATS_INC(vdev, tx_i.cce_classified_raw, 1);
return true;
}
}
return false;
}
if (qdf_unlikely(DP_FRAME_IS_SNAP(llcHdr))) {
ether_type = (uint16_t)*(nbuf->data + 2*ETHER_ADDR_LEN +
ether_type = *(uint16_t *)(nbuf->data + 2*ETHER_ADDR_LEN +
sizeof(*llcHdr));
nbuf_clone = qdf_nbuf_clone(nbuf);
qdf_nbuf_pull_head(nbuf_clone, sizeof(*llcHdr));
if (ether_type == htons(ETHERTYPE_8021Q)) {
qdf_nbuf_pull_head(nbuf_clone, sizeof(*llcHdr)
+sizeof(qdf_net_vlanhdr_t));
qdf_nbuf_pull_head(nbuf_clone,
sizeof(qdf_net_vlanhdr_t));
}
} else {
if (ether_type == htons(ETHERTYPE_8021Q)) {
@ -911,6 +951,7 @@ static bool dp_cce_classify(qdf_nbuf_t nbuf)
if (qdf_unlikely(nbuf_clone))
nbuf = nbuf_clone;
if (qdf_unlikely(qdf_nbuf_is_ipv4_eapol_pkt(nbuf)
|| qdf_nbuf_is_ipv4_arp_pkt(nbuf)
|| qdf_nbuf_is_ipv4_wapi_pkt(nbuf)
@ -1130,7 +1171,7 @@ static qdf_nbuf_t dp_tx_send_msdu_single(struct dp_vdev *vdev, qdf_nbuf_t nbuf,
}
if (qdf_unlikely(soc->cce_disable)) {
if (dp_cce_classify(nbuf) == true) {
if (dp_cce_classify(vdev, nbuf) == true) {
DP_STATS_INC(vdev, tx_i.cce_classified, 1);
tid = DP_VO_TID;
tx_desc->flags |= DP_TX_DESC_FLAG_TO_FW;
@ -1222,7 +1263,7 @@ qdf_nbuf_t dp_tx_send_msdu_multiple(struct dp_vdev *vdev, qdf_nbuf_t nbuf,
}
if (qdf_unlikely(soc->cce_disable)) {
is_cce_classified = dp_cce_classify(nbuf);
is_cce_classified = dp_cce_classify(vdev, nbuf);
if (is_cce_classified) {
DP_STATS_INC(vdev, tx_i.cce_classified, 1);
msdu_info->tid = DP_VO_TID;

5
qdf/inc/qdf_net_types.h
View file

@ -65,6 +65,11 @@ typedef __in6_addr_t in6_addr_t;
#define QDF_ETH_TYPE_IPV4 0x0800 /* IPV4 */
#define QDF_ETH_TYPE_IPV6 0x86dd /* IPV6 */
#define QDF_IEEE80211_4ADDR_HDR_LEN 30
#define QDF_IEEE80211_3ADDR_HDR_LEN 24
#define QDF_IEEE80211_FC0_SUBTYPE_QOS 0x80
#define QDF_IEEE80211_FC1_TODS 0x01
#define QDF_IEEE80211_FC1_FROMDS 0x02
typedef struct qdf_net_ethaddr {
uint8_t addr[QDF_NET_ETH_LEN];