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iwlwifi: drop packets with bad status in CD

Telusuri Sumber 
We need to drop packets with errors (such as replay,
MIC, ICV, conversion, duplicate and so on).

Drop invalid packets, put the status bits in the metadata and
move the enum definition to the correct place (FW API header).

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Sara Sharon
2018-04-09 14:00:27 +03:00
committed by Luca Coelho
orang tua 75e9947ea4
melakukan 7891965d74
4 mengubah file dengan 70 tambahan dan 62 penghapusan
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63
drivers/net/wireless/intel/iwlwifi/fw/api/rx.h
Melihat File

@@ -574,6 +574,69 @@ struct iwl_rx_mpdu_desc {
#define IWL_RX_DESC_SIZE_V1 offsetofend(struct iwl_rx_mpdu_desc, v1)
#define IWL_CD_STTS_OPTIMIZED_POS 0
#define IWL_CD_STTS_OPTIMIZED_MSK 0x01
#define IWL_CD_STTS_TRANSFER_STATUS_POS 1
#define IWL_CD_STTS_TRANSFER_STATUS_MSK 0x0E
#define IWL_CD_STTS_WIFI_STATUS_POS 4
#define IWL_CD_STTS_WIFI_STATUS_MSK 0xF0
/**
* enum iwl_completion_desc_transfer_status - transfer status (bits 1-3)
* @IWL_CD_STTS_UNUSED: unused
* @IWL_CD_STTS_UNUSED_2: unused
* @IWL_CD_STTS_END_TRANSFER: successful transfer complete.
* In sniffer mode, when split is used, set in last CD completion. (RX)
* @IWL_CD_STTS_OVERFLOW: In sniffer mode, when using split - used for
* all CD completion. (RX)
* @IWL_CD_STTS_ABORTED: CR abort / close flow. (RX)
* @IWL_CD_STTS_ERROR: general error (RX)
*/
enum iwl_completion_desc_transfer_status {
IWL_CD_STTS_UNUSED,
IWL_CD_STTS_UNUSED_2,
IWL_CD_STTS_END_TRANSFER,
IWL_CD_STTS_OVERFLOW,
IWL_CD_STTS_ABORTED,
IWL_CD_STTS_ERROR,
};
/**
* enum iwl_completion_desc_wifi_status - wifi status (bits 4-7)
* @IWL_CD_STTS_VALID: the packet is valid (RX)
* @IWL_CD_STTS_FCS_ERR: frame check sequence error (RX)
* @IWL_CD_STTS_SEC_KEY_ERR: error handling the security key of rx (RX)
* @IWL_CD_STTS_DECRYPTION_ERR: error decrypting the frame (RX)
* @IWL_CD_STTS_DUP: duplicate packet (RX)
* @IWL_CD_STTS_ICV_MIC_ERR: MIC error (RX)
* @IWL_CD_STTS_INTERNAL_SNAP_ERR: problems removing the snap (RX)
* @IWL_CD_STTS_SEC_PORT_FAIL: security port fail (RX)
* @IWL_CD_STTS_BA_OLD_SN: block ack received old SN (RX)
* @IWL_CD_STTS_QOS_NULL: QoS null packet (RX)
* @IWL_CD_STTS_MAC_HDR_ERR: MAC header conversion error (RX)
* @IWL_CD_STTS_MAX_RETRANS: reached max number of retransmissions (TX)
* @IWL_CD_STTS_EX_LIFETIME: exceeded lifetime (TX)
* @IWL_CD_STTS_NOT_USED: completed but not used (RX)
* @IWL_CD_STTS_REPLAY_ERR: pn check failed, replay error (RX)
*/
enum iwl_completion_desc_wifi_status {
IWL_CD_STTS_VALID,
IWL_CD_STTS_FCS_ERR,
IWL_CD_STTS_SEC_KEY_ERR,
IWL_CD_STTS_DECRYPTION_ERR,
IWL_CD_STTS_DUP,
IWL_CD_STTS_ICV_MIC_ERR,
IWL_CD_STTS_INTERNAL_SNAP_ERR,
IWL_CD_STTS_SEC_PORT_FAIL,
IWL_CD_STTS_BA_OLD_SN,
IWL_CD_STTS_QOS_NULL,
IWL_CD_STTS_MAC_HDR_ERR,
IWL_CD_STTS_MAX_RETRANS,
IWL_CD_STTS_EX_LIFETIME,
IWL_CD_STTS_NOT_USED,
IWL_CD_STTS_REPLAY_ERR,
};
struct iwl_frame_release {
u8 baid;
u8 reserved;