qcacmn: Log DHCP, EAPOL packets to logging queue
Log DHCP and EAPOL packets to wlan connectivity logging queue. Change-Id: Ib0c84c389c0f5fd7e742722c0e03c84b9732de19 CRs-Fixed: 3030936
This commit is contained in:
Ananya Gupta
کامیت شده توسط
Madan Koyyalamudi
Madan Koyyalamudi
والد
72fea5404a
کامیت
29d256f801
@@ -95,13 +95,28 @@
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/* EAPOL Related MASK */
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#define EAPOL_PACKET_TYPE_OFFSET 15
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#define EAPOL_KEY_INFO_OFFSET 19
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#define EAPOL_PKT_LEN_OFFSET 16
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#define EAPOL_KEY_LEN_OFFSET 21
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#define EAPOL_PKT_LEN_OFFSET 16
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#define EAPOL_KEY_LEN_OFFSET 21
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#define EAPOL_PACKET_TYPE_KEY 3
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#define EAPOL_MASK 0x8013
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#define EAPOL_M1_BIT_MASK 0x8000
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#define EAPOL_M2_BIT_MASK 0x0001
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#define EAPOL_M3_BIT_MASK 0x8013
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#define EAPOL_M4_BIT_MASK 0x0003
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#define EAPOL_KEY_TYPE_MASK 0x0800
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#define EAPOL_KEY_ENCRYPTED_MASK 0x0010
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/* EAP Related Mask */
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#define EAP_CODE_OFFSET 18
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#define EAP_LENGTH_OFFSET 20
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#define EAP_TYPE_OFFSET 22
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#define QDF_EAP_REQUEST 1
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#define QDF_EAP_RESPONE 2
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#define QDF_EAP_SUCCESS 3
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#define QDF_EAP_FAILURE 4
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#define QDF_EAP_INITIATE 5
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#define QDF_EAP_FINISH 6
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/* ARP Related MASK */
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#define QDF_NBUF_PKT_ARP_OPCODE_OFFSET 20
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@@ -47,6 +47,10 @@ qdf_declare_param(qdf_log_flush_timer_period, uint);
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#include "qdf_mc_timer.h"
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#include <host_diag_core_log.h>
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#ifdef WLAN_FEATURE_CONNECTIVITY_LOGGING
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#include <wlan_connectivity_logging.h>
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#endif
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/* Global qdf print id */
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/* Preprocessor definitions and constants */
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@@ -1720,6 +1724,143 @@ static bool qdf_log_icmp_pkt(uint8_t vdev_id, struct sk_buff *skb,
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return false;
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}
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#ifdef WLAN_FEATURE_CONNECTIVITY_LOGGING
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/**
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* qdf_subtype_to_wlan_main_tag() - Convert qdf subtype to wlan main tag
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* @subtype: EAPoL key subtype
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*
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* Return: Wlan main tag subtype
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*/
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static int qdf_subtype_to_wlan_main_tag(enum qdf_proto_subtype subtype)
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{
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switch (subtype) {
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case QDF_PROTO_DHCP_DISCOVER:
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return WLAN_DHCP_DISCOVER;
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case QDF_PROTO_DHCP_REQUEST:
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return WLAN_DHCP_REQUEST;
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case QDF_PROTO_DHCP_OFFER:
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return WLAN_DHCP_OFFER;
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case QDF_PROTO_DHCP_ACK:
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return WLAN_DHCP_ACK;
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case QDF_PROTO_DHCP_NACK:
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return WLAN_DHCP_NACK;
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case QDF_PROTO_EAPOL_M1:
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return WLAN_EAPOL_M1;
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case QDF_PROTO_EAPOL_M2:
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return WLAN_EAPOL_M2;
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case QDF_PROTO_EAPOL_M3:
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return WLAN_EAPOL_M3;
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case QDF_PROTO_EAPOL_M4:
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return WLAN_EAPOL_M4;
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default:
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return WLAN_TAG_MAX;
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}
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}
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/**
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* qdf_get_wlan_eap_code() - Get EAP code
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* @data: skb data pointer
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*
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* Return: EAP code value
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*/
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static int qdf_get_wlan_eap_code(uint8_t *data)
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{
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uint8_t code = *(data + EAP_CODE_OFFSET);
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switch (code) {
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case QDF_EAP_REQUEST:
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return WLAN_EAP_REQUEST;
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case QDF_EAP_RESPONE:
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return WLAN_EAP_RESPONSE;
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case QDF_EAP_SUCCESS:
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return WLAN_EAP_SUCCESS;
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case QDF_EAP_FAILURE:
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return WLAN_EAP_FAILURE;
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default:
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return WLAN_TAG_MAX;
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}
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}
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/**
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* qdf_eapol_get_key_type() - Get EAPOL key type
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* @data: skb data pointer
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* @subtype: EAPoL key subtype
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*
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* Return: EAPOL key type
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*/
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static
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uint8_t qdf_eapol_get_key_type(uint8_t *data, enum qdf_proto_subtype subtype)
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{
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uint16_t key_info = *(uint16_t *)(data + EAPOL_KEY_INFO_OFFSET);
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/* If key type is PTK, key type will be set in EAPOL Key info */
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if (key_info & EAPOL_KEY_TYPE_MASK)
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return qdf_subtype_to_wlan_main_tag(subtype);
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else if (key_info & EAPOL_KEY_ENCRYPTED_MASK)
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return WLAN_GTK_M1;
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else
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return WLAN_GTK_M2;
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}
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/**
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* qdf_fill_wlan_connectivity_log() - Fill and queue protocol packet to logging
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* the logging queue
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* @type: Protocol type
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* @subtype: Protocol subtype
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* @dir: Rx or Tx
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* @qdf_tx_status: Tx completion status
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* @vdev_id: DP vdev ID
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* @data: skb data pointer
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*
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* Return: None
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*/
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static
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void qdf_fill_wlan_connectivity_log(enum qdf_proto_type type,
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enum qdf_proto_subtype subtype,
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enum qdf_proto_dir dir,
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enum qdf_dp_tx_rx_status qdf_tx_status,
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uint8_t vdev_id, uint8_t *data)
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{
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struct wlan_log_record log_buf;
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uint8_t pkt_type;
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log_buf.timestamp_us = qdf_get_time_of_the_day_ms() * 1000;
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log_buf.vdev_id = vdev_id;
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if (type == QDF_PROTO_TYPE_DHCP) {
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log_buf.log_subtype = qdf_subtype_to_wlan_main_tag(subtype);
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} else if (type == QDF_PROTO_TYPE_EAPOL) {
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pkt_type = *(data + EAPOL_PACKET_TYPE_OFFSET);
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if (pkt_type == 0) {
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log_buf.log_subtype = qdf_get_wlan_eap_code(data);
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log_buf.pkt_info.eap_type = *(data + EAP_TYPE_OFFSET);
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log_buf.pkt_info.eap_len =
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qdf_ntohs(*(uint16_t *)(data + EAP_LENGTH_OFFSET));
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} else if (pkt_type == EAPOL_PACKET_TYPE_KEY) {
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log_buf.log_subtype = qdf_eapol_get_key_type(data,
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subtype);
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}
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} else {
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return;
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}
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/*Tx completion status needs to be logged*/
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if (dir == QDF_TX)
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log_buf.pkt_info.tx_status = qdf_tx_status;
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wlan_connectivity_log_enqueue(&log_buf);
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}
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#else
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static inline
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void qdf_fill_wlan_connectivity_log(enum qdf_proto_type type,
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enum qdf_proto_subtype subtype,
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enum qdf_proto_dir dir,
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enum qdf_dp_tx_rx_status qdf_tx_status,
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uint8_t vdev_id, uint8_t *data)
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{
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}
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#endif
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/**
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* qdf_log_eapol_pkt() - log EAPOL packet
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* @vdev_id: ID of the vdev
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@@ -1750,12 +1891,15 @@ static bool qdf_log_eapol_pkt(uint8_t vdev_id, struct sk_buff *skb,
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subtype = qdf_nbuf_get_eapol_subtype(skb);
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if (dp_eap_event && dir == QDF_RX)
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if (dp_eap_event && dir == QDF_RX) {
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qdf_dp_log_proto_pkt_info(skb->data + QDF_NBUF_SRC_MAC_OFFSET,
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skb->data + QDF_NBUF_DEST_MAC_OFFSET,
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QDF_PROTO_TYPE_EAPOL, subtype, dir,
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QDF_TRACE_DEFAULT_MSDU_ID,
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QDF_TX_RX_STATUS_INVALID);
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qdf_fill_wlan_connectivity_log(QDF_PROTO_TYPE_EAPOL, subtype,
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QDF_RX, 0, vdev_id, skb->data);
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}
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if (dp_eap_trace) {
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QDF_NBUF_CB_DP_TRACE_PRINT(skb) = true;
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@@ -1825,12 +1969,15 @@ static bool qdf_log_dhcp_pkt(uint8_t vdev_id, struct sk_buff *skb,
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subtype = qdf_nbuf_get_dhcp_subtype(skb);
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if (dp_dhcp_event && dir == QDF_RX)
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if (dp_dhcp_event && dir == QDF_RX) {
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qdf_dp_log_proto_pkt_info(skb->data + QDF_NBUF_SRC_MAC_OFFSET,
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skb->data + QDF_NBUF_DEST_MAC_OFFSET,
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QDF_PROTO_TYPE_DHCP, subtype, dir,
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QDF_TRACE_DEFAULT_MSDU_ID,
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QDF_TX_RX_STATUS_INVALID);
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qdf_fill_wlan_connectivity_log(QDF_PROTO_TYPE_DHCP, subtype,
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QDF_RX, 0, vdev_id, 0);
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}
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if (dp_dhcp_trace) {
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QDF_NBUF_CB_DP_TRACE_PRINT(skb) = true;
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@@ -2331,16 +2478,22 @@ void qdf_dp_trace_ptr(qdf_nbuf_t nbuf, enum QDF_DP_TRACE_ID code,
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struct qdf_dp_trace_ptr_buf buf;
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int buf_size = sizeof(struct qdf_dp_trace_ptr_buf);
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enum qdf_proto_type pkt_type;
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enum qdf_proto_subtype subtype;
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pkt_type = qdf_dp_get_pkt_proto_type(nbuf);
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if ((code == QDF_DP_TRACE_FREE_PACKET_PTR_RECORD ||
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code == QDF_DP_TRACE_LI_DP_FREE_PACKET_PTR_RECORD) &&
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qdf_dp_proto_log_enable_check(pkt_type, qdf_tx_status))
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qdf_dp_proto_log_enable_check(pkt_type, qdf_tx_status)) {
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subtype = qdf_dp_get_pkt_subtype(nbuf, pkt_type);
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qdf_dp_log_proto_pkt_info(nbuf->data + QDF_NBUF_SRC_MAC_OFFSET,
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nbuf->data + QDF_NBUF_DEST_MAC_OFFSET,
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pkt_type,
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qdf_dp_get_pkt_subtype(nbuf, pkt_type),
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pkt_type, subtype,
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QDF_TX, msdu_id, qdf_tx_status);
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qdf_fill_wlan_connectivity_log(pkt_type, subtype,
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QDF_TX, qdf_tx_status,
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QDF_NBUF_CB_TX_VDEV_CTX(nbuf),
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nbuf->data);
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}
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if (qdf_dp_enable_check(nbuf, code, QDF_TX) == false)
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return;
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