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https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git
synced 2026-10-11 23:24:22 -04:00
qcacld-3.0: IPv6 packets classification support
Enable classification of IPv6 frames based on the traffic class field in the IPv6 header. Change-Id: I4114cb972f61b75da35a225c07f7628d748a744c CRs-Fixed: 921955
This commit is contained in:
Govind Singh
Prakash Dhavali
parent
e22977fdc0
commit
b7ab577111
3 changed files with 101 additions and 166 deletions
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@ -684,11 +684,6 @@ typedef enum {
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#define CFG_ROAM_SCAN_OFFLOAD_ENABLED_MAX (1)
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#define CFG_ROAM_SCAN_OFFLOAD_ENABLED_DEFAULT (1)
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#define CFG_QOS_WMM_PKT_CLASSIFY_BASIS_NAME "PktClassificationBasis" /* DSCP or 802.1Q */
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#define CFG_QOS_WMM_PKT_CLASSIFY_BASIS_MIN (0)
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#define CFG_QOS_WMM_PKT_CLASSIFY_BASIS_MAX (1)
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#define CFG_QOS_WMM_PKT_CLASSIFY_BASIS_DEFAULT (0) /* DSCP */
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/* default TSPEC parameters for AC_VO */
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#define CFG_QOS_WMM_INFRA_DIR_AC_VO_NAME "InfraDirAcVo"
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#define CFG_QOS_WMM_INFRA_DIR_AC_VO_MIN (0)
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@ -2918,7 +2913,6 @@ struct hdd_config {
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bool isOkcIniFeatureEnabled;
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#endif
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bool isRoamOffloadScanEnabled;
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hdd_wmm_classification_t PktClassificationBasis; /* DSCP or 802.1Q */
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bool bImplicitQosEnabled;
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/* default TSPEC parameters for AC_VO */
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@ -1095,12 +1095,6 @@ REG_TABLE_ENTRY g_registry_table[] = {
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CFG_ROAM_SCAN_OFFLOAD_ENABLED_MIN,
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CFG_ROAM_SCAN_OFFLOAD_ENABLED_MAX,
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cb_notify_update_roam_scan_offload_enabled, 0),
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REG_VARIABLE(CFG_QOS_WMM_PKT_CLASSIFY_BASIS_NAME, WLAN_PARAM_Integer,
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struct hdd_config, PktClassificationBasis,
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VAR_FLAGS_OPTIONAL | VAR_FLAGS_RANGE_CHECK_ASSUME_DEFAULT,
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CFG_QOS_WMM_PKT_CLASSIFY_BASIS_DEFAULT,
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CFG_QOS_WMM_PKT_CLASSIFY_BASIS_MIN,
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CFG_QOS_WMM_PKT_CLASSIFY_BASIS_MAX),
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REG_VARIABLE(CFG_QOS_WMM_INFRA_DIR_AC_VO_NAME, WLAN_PARAM_Integer,
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struct hdd_config, InfraDirAcVo,
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@ -4472,9 +4466,6 @@ void hdd_cfg_print(hdd_context_t *pHddCtx)
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CDF_TRACE(CDF_MODULE_ID_HDD, CDF_TRACE_LEVEL_INFO_HIGH,
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"Name = [UapsdMask] Value = [0x%x] ",
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pHddCtx->config->UapsdMask);
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CDF_TRACE(CDF_MODULE_ID_HDD, CDF_TRACE_LEVEL_INFO_HIGH,
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"Name = [PktClassificationBasis] Value = [%u] ",
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pHddCtx->config->PktClassificationBasis);
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CDF_TRACE(CDF_MODULE_ID_HDD, CDF_TRACE_LEVEL_INFO_HIGH,
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"Name = [ImplicitQosIsEnabled] Value = [%u]",
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(int)pHddCtx->config->bImplicitQosEnabled);
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@ -54,6 +54,7 @@
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#include <linux/if_vlan.h>
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#include <linux/ip.h>
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#include <linux/semaphore.h>
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#include <linux/ipv6.h>
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#include <wlan_hdd_tx_rx.h>
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#include <wlan_hdd_wmm.h>
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#include <wlan_hdd_ether.h>
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@ -1548,29 +1549,27 @@ CDF_STATUS hdd_wmm_adapter_close(hdd_adapter_t *pAdapter)
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/**
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* hdd_wmm_classify_pkt() - Function which will classify an OS packet
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* into a WMM AC based on either 802.1Q or DSCP
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* into a WMM AC based on DSCP
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*
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* @pAdapter: [in] adapter upon which the packet is being transmitted
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* @skb: [in] the actual OS packet (sk_buff) being transmitted
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* @pAcType: [out] WMM AC type of the OS packet
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* @pUserPri: [out] User Priority of the OS packet
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* @adapter: adapter upon which the packet is being transmitted
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* @skb: pointer to network buffer
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* @user_pri: user priority of the OS packet
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* @is_eapol: eapol packet flag
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*
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* Return: None
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*/
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static
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void hdd_wmm_classify_pkt(hdd_adapter_t *pAdapter,
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void hdd_wmm_classify_pkt(hdd_adapter_t *adapter,
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struct sk_buff *skb,
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sme_ac_enum_type *pAcType,
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sme_QosWmmUpType *pUserPri,
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sme_QosWmmUpType *user_pri,
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bool *is_eapol)
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{
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unsigned char *pPkt;
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union generic_ethhdr *pHdr;
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struct iphdr *pIpHdr;
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unsigned char tos;
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unsigned char dscp;
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sme_QosWmmUpType userPri;
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sme_ac_enum_type acType;
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unsigned char tos;
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union generic_ethhdr *eth_hdr;
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struct iphdr *ip_hdr;
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struct ipv6hdr *ipv6hdr;
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unsigned char *pkt;
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/* this code is executed for every packet therefore
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* all debug code is kept conditional
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@ -1581,158 +1580,118 @@ void hdd_wmm_classify_pkt(hdd_adapter_t *pAdapter,
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"%s: Entered", __func__);
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#endif /* HDD_WMM_DEBUG */
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pPkt = skb->data;
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pHdr = (union generic_ethhdr *)pPkt;
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pkt = skb->data;
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eth_hdr = (union generic_ethhdr *)pkt;
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#ifdef HDD_WMM_DEBUG
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CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW,
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"%s: proto/length is 0x%04x", __func__, pHdr->eth_II.h_proto);
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"%s: proto is 0x%04x", __func__, skb->protocol);
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#endif /* HDD_WMM_DEBUG */
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if (HDD_WMM_CLASSIFICATION_DSCP ==
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(WLAN_HDD_GET_CTX(pAdapter))->config->PktClassificationBasis) {
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if (pHdr->eth_II.h_proto == htons(ETH_P_IP)) {
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/* case 1: Ethernet II IP packet */
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pIpHdr = (struct iphdr *)&pPkt[sizeof(pHdr->eth_II)];
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tos = pIpHdr->tos;
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if (eth_hdr->eth_II.h_proto == htons(ETH_P_IP)) {
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/* case 1: Ethernet II IP packet */
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ip_hdr = (struct iphdr *)&pkt[sizeof(eth_hdr->eth_II)];
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tos = ip_hdr->tos;
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#ifdef HDD_WMM_DEBUG
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CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW,
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"%s: Ethernet II IP Packet, tos is %d",
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__func__, tos);
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CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW,
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"%s: Ethernet II IP Packet, tos is %d",
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__func__, tos);
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#endif /* HDD_WMM_DEBUG */
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} else if ((ntohs(pHdr->eth_II.h_proto) < WLAN_MIN_PROTO) &&
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(pHdr->eth_8023.h_snap.dsap == WLAN_SNAP_DSAP) &&
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(pHdr->eth_8023.h_snap.ssap == WLAN_SNAP_SSAP) &&
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(pHdr->eth_8023.h_snap.ctrl == WLAN_SNAP_CTRL) &&
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(pHdr->eth_8023.h_proto == htons(ETH_P_IP))) {
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/* case 2: 802.3 LLC/SNAP IP packet */
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pIpHdr = (struct iphdr *)&pPkt[sizeof(pHdr->eth_8023)];
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tos = pIpHdr->tos;
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} else if (eth_hdr->eth_II.h_proto == htons(ETH_P_IPV6)) {
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ipv6hdr = ipv6_hdr(skb);
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tos = ntohs(*(const __be16 *)ipv6hdr) >> 4;
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#ifdef HDD_WMM_DEBUG
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CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW,
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"%s: 802.3 LLC/SNAP IP Packet, tos is %d",
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__func__, tos);
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CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW,
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"%s: Ethernet II IPv6 Packet, tos is %d",
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__func__, tos);
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#endif /* HDD_WMM_DEBUG */
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} else if (pHdr->eth_II.h_proto == htons(ETH_P_8021Q)) {
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/* VLAN tagged */
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} else if ((ntohs(eth_hdr->eth_II.h_proto) < WLAN_MIN_PROTO) &&
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(eth_hdr->eth_8023.h_snap.dsap == WLAN_SNAP_DSAP) &&
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(eth_hdr->eth_8023.h_snap.ssap == WLAN_SNAP_SSAP) &&
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(eth_hdr->eth_8023.h_snap.ctrl == WLAN_SNAP_CTRL) &&
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(eth_hdr->eth_8023.h_proto == htons(ETH_P_IP))) {
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/* case 2: 802.3 LLC/SNAP IP packet */
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ip_hdr = (struct iphdr *)&pkt[sizeof(eth_hdr->eth_8023)];
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tos = ip_hdr->tos;
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#ifdef HDD_WMM_DEBUG
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CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW,
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"%s: 802.3 LLC/SNAP IP Packet, tos is %d",
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__func__, tos);
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#endif /* HDD_WMM_DEBUG */
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} else if (eth_hdr->eth_II.h_proto == htons(ETH_P_8021Q)) {
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/* VLAN tagged */
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if (pHdr->eth_IIv.h_vlan_encapsulated_proto ==
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htons(ETH_P_IP)) {
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/* case 3: Ethernet II vlan-tagged IP packet */
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pIpHdr =
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(struct iphdr *)
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&pPkt[sizeof(pHdr->eth_IIv)];
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tos = pIpHdr->tos;
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if (eth_hdr->eth_IIv.h_vlan_encapsulated_proto ==
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htons(ETH_P_IP)) {
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/* case 3: Ethernet II vlan-tagged IP packet */
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ip_hdr =
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(struct iphdr *)
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&pkt[sizeof(eth_hdr->eth_IIv)];
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tos = ip_hdr->tos;
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#ifdef HDD_WMM_DEBUG
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CDF_TRACE(CDF_MODULE_ID_HDD,
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WMM_TRACE_LEVEL_INFO_LOW,
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"%s: Ethernet II VLAN tagged IP Packet, tos is %d",
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__func__, tos);
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CDF_TRACE(CDF_MODULE_ID_HDD,
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WMM_TRACE_LEVEL_INFO_LOW,
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"%s: Ethernet II VLAN tagged IP Packet, tos is %d",
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__func__, tos);
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#endif /* HDD_WMM_DEBUG */
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} else
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if ((ntohs(pHdr->eth_IIv.h_vlan_encapsulated_proto)
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< WLAN_MIN_PROTO)
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&& (pHdr->eth_8023v.h_snap.dsap ==
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WLAN_SNAP_DSAP)
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&& (pHdr->eth_8023v.h_snap.ssap ==
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WLAN_SNAP_SSAP)
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&& (pHdr->eth_8023v.h_snap.ctrl ==
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WLAN_SNAP_CTRL)
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&& (pHdr->eth_8023v.h_proto ==
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htons(ETH_P_IP))) {
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/* case 4: 802.3 LLC/SNAP vlan-tagged IP packet */
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pIpHdr =
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(struct iphdr *)
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&pPkt[sizeof(pHdr->eth_8023v)];
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tos = pIpHdr->tos;
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} else
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if ((ntohs(eth_hdr->eth_IIv.h_vlan_encapsulated_proto)
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< WLAN_MIN_PROTO)
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&& (eth_hdr->eth_8023v.h_snap.dsap ==
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WLAN_SNAP_DSAP)
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&& (eth_hdr->eth_8023v.h_snap.ssap ==
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WLAN_SNAP_SSAP)
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&& (eth_hdr->eth_8023v.h_snap.ctrl ==
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WLAN_SNAP_CTRL)
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&& (eth_hdr->eth_8023v.h_proto ==
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htons(ETH_P_IP))) {
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/* case 4: 802.3 LLC/SNAP vlan-tagged IP packet */
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ip_hdr =
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(struct iphdr *)
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&pkt[sizeof(eth_hdr->eth_8023v)];
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tos = ip_hdr->tos;
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#ifdef HDD_WMM_DEBUG
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CDF_TRACE(CDF_MODULE_ID_HDD,
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WMM_TRACE_LEVEL_INFO_LOW,
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"%s: 802.3 LLC/SNAP VLAN tagged IP Packet, tos is %d",
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__func__, tos);
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CDF_TRACE(CDF_MODULE_ID_HDD,
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WMM_TRACE_LEVEL_INFO_LOW,
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"%s: 802.3 LLC/SNAP VLAN tagged IP Packet, tos is %d",
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__func__, tos);
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#endif /* HDD_WMM_DEBUG */
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} else {
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/* default */
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#ifdef HDD_WMM_DEBUG
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CDF_TRACE(CDF_MODULE_ID_HDD,
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WMM_TRACE_LEVEL_WARN,
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"%s: VLAN tagged Unhandled Protocol, using default tos",
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__func__);
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#endif /* HDD_WMM_DEBUG */
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tos = 0;
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}
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} else {
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/* default */
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#ifdef HDD_WMM_DEBUG
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CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_WARN,
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"%s: Unhandled Protocol, using default tos",
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__func__);
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CDF_TRACE(CDF_MODULE_ID_HDD,
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WMM_TRACE_LEVEL_WARN,
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"%s: VLAN tagged Unhandled Protocol, using default tos",
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__func__);
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#endif /* HDD_WMM_DEBUG */
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/* Give the highest priority to 802.1x packet */
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if (pHdr->eth_II.h_proto ==
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htons(HDD_ETHERTYPE_802_1_X)) {
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tos = 0xC0;
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*is_eapol = true;
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} else
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tos = 0;
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}
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dscp = (tos >> 2) & 0x3f;
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userPri = pAdapter->hddWmmDscpToUpMap[dscp];
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#ifdef HDD_WMM_DEBUG
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CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO,
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"%s: tos is %d, dscp is %d, up is %d",
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__func__, tos, dscp, userPri);
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#endif /* HDD_WMM_DEBUG */
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} else if (HDD_WMM_CLASSIFICATION_802_1Q ==
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(WLAN_HDD_GET_CTX(pAdapter))->config->
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PktClassificationBasis) {
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if (pHdr->eth_IIv.h_vlan_proto == htons(ETH_P_8021Q)) {
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/* VLAN tagged */
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userPri = (ntohs(pHdr->eth_IIv.h_vlan_TCI) >> 13) & 0x7;
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#ifdef HDD_WMM_DEBUG
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CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO,
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"%s: Tagged frame, UP is %d",
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__func__, userPri);
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#endif /* HDD_WMM_DEBUG */
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} else {
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/* not VLAN tagged, use default */
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#ifdef HDD_WMM_DEBUG
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CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_WARN,
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"%s: Untagged frame, using default UP",
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__func__);
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#endif /* HDD_WMM_DEBUG */
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/* Give the highest priority to 802.1x packet */
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if (pHdr->eth_II.h_proto ==
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htons(HDD_ETHERTYPE_802_1_X)) {
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userPri = SME_QOS_WMM_UP_VO;
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*is_eapol = true;
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} else
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userPri = SME_QOS_WMM_UP_BE;
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tos = 0;
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}
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} else {
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/* default */
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#ifdef HDD_WMM_DEBUG
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CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR,
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"%s: Unknown classification scheme, using default UP",
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__func__);
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CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_WARN,
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"%s: Unhandled Protocol, using default tos",
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__func__);
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#endif /* HDD_WMM_DEBUG */
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userPri = SME_QOS_WMM_UP_BE;
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/* Give the highest priority to 802.1x packet */
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if (eth_hdr->eth_II.h_proto ==
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htons(HDD_ETHERTYPE_802_1_X)) {
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tos = 0xC0;
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*is_eapol = true;
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} else
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tos = 0;
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}
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acType = hdd_wmm_up_to_ac_map[userPri];
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dscp = (tos >> 2) & 0x3f;
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*user_pri = adapter->hddWmmDscpToUpMap[dscp];
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#ifdef HDD_WMM_DEBUG
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CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO,
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"%s: UP is %d, AC is %d", __func__, userPri, acType);
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"%s: tos is %d, dscp is %d, up is %d",
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__func__, tos, dscp, *user_pri);
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#endif /* HDD_WMM_DEBUG */
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*pUserPri = userPri;
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*pAcType = acType;
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return;
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}
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@ -1780,25 +1739,21 @@ uint16_t hdd_hostapd_select_queue(struct net_device *dev, struct sk_buff *skb
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)
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{
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sme_ac_enum_type ac;
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sme_QosWmmUpType up = SME_QOS_WMM_UP_BE;
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uint16_t queueIndex;
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hdd_adapter_t *pAdapter = (hdd_adapter_t *) netdev_priv(dev);
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hdd_context_t *pHddCtx = WLAN_HDD_GET_CTX(pAdapter);
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hdd_adapter_t *adapter = (hdd_adapter_t *) netdev_priv(dev);
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hdd_context_t *hddctx = WLAN_HDD_GET_CTX(adapter);
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bool is_eapol = false;
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int status = 0;
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status = wlan_hdd_validate_context(pHddCtx);
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status = wlan_hdd_validate_context(hddctx);
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if (status != 0) {
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skb->priority = SME_QOS_WMM_UP_BE;
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return HDD_LINUX_AC_BE;
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}
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if (HDD_WMM_USER_MODE_NO_QOS != pHddCtx->config->WmmMode) {
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/* Get the user priority from IP header & corresponding AC */
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hdd_wmm_classify_pkt(pAdapter, skb, &ac, &up, &is_eapol);
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}
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/* Get the user priority from IP header */
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hdd_wmm_classify_pkt(adapter, skb, &up, &is_eapol);
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skb->priority = up;
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queueIndex = hdd_get_queue_index(skb->priority, is_eapol);
|
||||
|
||||
|
|
@ -1816,7 +1771,6 @@ uint16_t hdd_hostapd_select_queue(struct net_device *dev, struct sk_buff *skb
|
|||
*/
|
||||
uint16_t hdd_wmm_select_queue(struct net_device *dev, struct sk_buff *skb)
|
||||
{
|
||||
sme_ac_enum_type ac;
|
||||
sme_QosWmmUpType up = SME_QOS_WMM_UP_BE;
|
||||
uint16_t queueIndex;
|
||||
hdd_adapter_t *pAdapter = WLAN_HDD_GET_PRIV_PTR(dev);
|
||||
|
|
@ -1830,15 +1784,11 @@ uint16_t hdd_wmm_select_queue(struct net_device *dev, struct sk_buff *skb)
|
|||
return HDD_LINUX_AC_BE;
|
||||
}
|
||||
|
||||
/* if we don't want QoS or the AP doesn't support Qos */
|
||||
/* All traffic will get equal opportuniy to transmit data frames. */
|
||||
if (hdd_wmm_is_active(pAdapter)) {
|
||||
/* Get the user priority from IP header & corresponding AC */
|
||||
hdd_wmm_classify_pkt(pAdapter, skb, &ac, &up, &is_eapol);
|
||||
}
|
||||
|
||||
/* Get the user priority from IP header */
|
||||
hdd_wmm_classify_pkt(pAdapter, skb, &up, &is_eapol);
|
||||
skb->priority = up;
|
||||
queueIndex = hdd_get_queue_index(skb->priority, is_eapol);
|
||||
|
||||
return queueIndex;
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue