| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Vladimir Kondratiev | 1178 | 58.46% | 14 | 50.00% |
| Gidon Studinski | 276 | 13.70% | 3 | 10.71% |
| Ahmad Masri | 274 | 13.60% | 3 | 10.71% |
| Maya Erez | 116 | 5.76% | 2 | 7.14% |
| Dedy Lansky | 70 | 3.47% | 3 | 10.71% |
| Kirshenbaum Erez | 54 | 2.68% | 2 | 7.14% |
| Lior David | 47 | 2.33% | 1 | 3.57% |
| Total | 2015 | 28 |
/* * Copyright (c) 2012-2016 Qualcomm Atheros, Inc. * Copyright (c) 2018-2019, The Linux Foundation. All rights reserved. * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #ifndef WIL6210_TXRX_H #define WIL6210_TXRX_H #include "wil6210.h" #include "txrx_edma.h" #define BUF_SW_OWNED (1) #define BUF_HW_OWNED (0) /* default size of MAC Tx/Rx buffers */ #define TXRX_BUF_LEN_DEFAULT (2048) /* how many bytes to reserve for rtap header? */ #define WIL6210_RTAP_SIZE (128) /* Tx/Rx path */ static inline dma_addr_t wil_desc_addr(struct wil_ring_dma_addr *addr) { return le32_to_cpu(addr->addr_low) | ((u64)le16_to_cpu(addr->addr_high) << 32); } static inline void wil_desc_addr_set(struct wil_ring_dma_addr *addr, dma_addr_t pa) { addr->addr_low = cpu_to_le32(lower_32_bits(pa)); addr->addr_high = cpu_to_le16((u16)upper_32_bits(pa)); } /* Tx descriptor - MAC part * [dword 0] * bit 0.. 9 : lifetime_expiry_value:10 * bit 10 : interrupt_en:1 * bit 11 : status_en:1 * bit 12..13 : txss_override:2 * bit 14 : timestamp_insertion:1 * bit 15 : duration_preserve:1 * bit 16..21 : reserved0:6 * bit 22..26 : mcs_index:5 * bit 27 : mcs_en:1 * bit 28..30 : reserved1:3 * bit 31 : sn_preserved:1 * [dword 1] * bit 0.. 3 : pkt_mode:4 * bit 4 : pkt_mode_en:1 * bit 5 : mac_id_en:1 * bit 6..7 : mac_id:2 * bit 8..14 : reserved0:7 * bit 15 : ack_policy_en:1 * bit 16..19 : dst_index:4 * bit 20 : dst_index_en:1 * bit 21..22 : ack_policy:2 * bit 23 : lifetime_en:1 * bit 24..30 : max_retry:7 * bit 31 : max_retry_en:1 * [dword 2] * bit 0.. 7 : num_of_descriptors:8 * bit 8..17 : reserved:10 * bit 18..19 : l2_translation_type:2 00 - bypass, 01 - 802.3, 10 - 802.11 * bit 20 : snap_hdr_insertion_en:1 * bit 21 : vlan_removal_en:1 * bit 22..31 : reserved0:10 * [dword 3] * bit 0.. 31: ucode_cmd:32 */ struct vring_tx_mac { u32 d[3]; u32 ucode_cmd; } __packed; /* TX MAC Dword 0 */ #define MAC_CFG_DESC_TX_0_LIFETIME_EXPIRY_VALUE_POS 0 #define MAC_CFG_DESC_TX_0_LIFETIME_EXPIRY_VALUE_LEN 10 #define MAC_CFG_DESC_TX_0_LIFETIME_EXPIRY_VALUE_MSK 0x3FF #define MAC_CFG_DESC_TX_0_INTERRUP_EN_POS 10 #define MAC_CFG_DESC_TX_0_INTERRUP_EN_LEN 1 #define MAC_CFG_DESC_TX_0_INTERRUP_EN_MSK 0x400 #define MAC_CFG_DESC_TX_0_STATUS_EN_POS 11 #define MAC_CFG_DESC_TX_0_STATUS_EN_LEN 1 #define MAC_CFG_DESC_TX_0_STATUS_EN_MSK 0x800 #define MAC_CFG_DESC_TX_0_TXSS_OVERRIDE_POS 12 #define MAC_CFG_DESC_TX_0_TXSS_OVERRIDE_LEN 2 #define MAC_CFG_DESC_TX_0_TXSS_OVERRIDE_MSK 0x3000 #define MAC_CFG_DESC_TX_0_TIMESTAMP_INSERTION_POS 14 #define MAC_CFG_DESC_TX_0_TIMESTAMP_INSERTION_LEN 1 #define MAC_CFG_DESC_TX_0_TIMESTAMP_INSERTION_MSK 0x4000 #define MAC_CFG_DESC_TX_0_DURATION_PRESERVE_POS 15 #define MAC_CFG_DESC_TX_0_DURATION_PRESERVE_LEN 1 #define MAC_CFG_DESC_TX_0_DURATION_PRESERVE_MSK 0x8000 #define MAC_CFG_DESC_TX_0_MCS_INDEX_POS 22 #define MAC_CFG_DESC_TX_0_MCS_INDEX_LEN 5 #define MAC_CFG_DESC_TX_0_MCS_INDEX_MSK 0x7C00000 #define MAC_CFG_DESC_TX_0_MCS_EN_POS 27 #define MAC_CFG_DESC_TX_0_MCS_EN_LEN 1 #define MAC_CFG_DESC_TX_0_MCS_EN_MSK 0x8000000 #define MAC_CFG_DESC_TX_0_SN_PRESERVED_POS 31 #define MAC_CFG_DESC_TX_0_SN_PRESERVED_LEN 1 #define MAC_CFG_DESC_TX_0_SN_PRESERVED_MSK 0x80000000 /* TX MAC Dword 1 */ #define MAC_CFG_DESC_TX_1_PKT_MODE_POS 0 #define MAC_CFG_DESC_TX_1_PKT_MODE_LEN 4 #define MAC_CFG_DESC_TX_1_PKT_MODE_MSK 0xF #define MAC_CFG_DESC_TX_1_PKT_MODE_EN_POS 4 #define MAC_CFG_DESC_TX_1_PKT_MODE_EN_LEN 1 #define MAC_CFG_DESC_TX_1_PKT_MODE_EN_MSK 0x10 #define MAC_CFG_DESC_TX_1_MAC_ID_EN_POS 5 #define MAC_CFG_DESC_TX_1_MAC_ID_EN_LEN 1 #define MAC_CFG_DESC_TX_1_MAC_ID_EN_MSK 0x20 #define MAC_CFG_DESC_TX_1_MAC_ID_POS 6 #define MAC_CFG_DESC_TX_1_MAC_ID_LEN 2 #define MAC_CFG_DESC_TX_1_MAC_ID_MSK 0xc0 #define MAC_CFG_DESC_TX_1_ACK_POLICY_EN_POS 15 #define MAC_CFG_DESC_TX_1_ACK_POLICY_EN_LEN 1 #define MAC_CFG_DESC_TX_1_ACK_POLICY_EN_MSK 0x8000 #define MAC_CFG_DESC_TX_1_DST_INDEX_POS 16 #define MAC_CFG_DESC_TX_1_DST_INDEX_LEN 4 #define MAC_CFG_DESC_TX_1_DST_INDEX_MSK 0xF0000 #define MAC_CFG_DESC_TX_1_DST_INDEX_EN_POS 20 #define MAC_CFG_DESC_TX_1_DST_INDEX_EN_LEN 1 #define MAC_CFG_DESC_TX_1_DST_INDEX_EN_MSK 0x100000 #define MAC_CFG_DESC_TX_1_ACK_POLICY_POS 21 #define MAC_CFG_DESC_TX_1_ACK_POLICY_LEN 2 #define MAC_CFG_DESC_TX_1_ACK_POLICY_MSK 0x600000 #define MAC_CFG_DESC_TX_1_LIFETIME_EN_POS 23 #define MAC_CFG_DESC_TX_1_LIFETIME_EN_LEN 1 #define MAC_CFG_DESC_TX_1_LIFETIME_EN_MSK 0x800000 #define MAC_CFG_DESC_TX_1_MAX_RETRY_POS 24 #define MAC_CFG_DESC_TX_1_MAX_RETRY_LEN 7 #define MAC_CFG_DESC_TX_1_MAX_RETRY_MSK 0x7F000000 #define MAC_CFG_DESC_TX_1_MAX_RETRY_EN_POS 31 #define MAC_CFG_DESC_TX_1_MAX_RETRY_EN_LEN 1 #define MAC_CFG_DESC_TX_1_MAX_RETRY_EN_MSK 0x80000000 /* TX MAC Dword 2 */ #define MAC_CFG_DESC_TX_2_NUM_OF_DESCRIPTORS_POS 0 #define MAC_CFG_DESC_TX_2_NUM_OF_DESCRIPTORS_LEN 8 #define MAC_CFG_DESC_TX_2_NUM_OF_DESCRIPTORS_MSK 0xFF #define MAC_CFG_DESC_TX_2_RESERVED_POS 8 #define MAC_CFG_DESC_TX_2_RESERVED_LEN 10 #define MAC_CFG_DESC_TX_2_RESERVED_MSK 0x3FF00 #define MAC_CFG_DESC_TX_2_L2_TRANSLATION_TYPE_POS 18 #define MAC_CFG_DESC_TX_2_L2_TRANSLATION_TYPE_LEN 2 #define MAC_CFG_DESC_TX_2_L2_TRANSLATION_TYPE_MSK 0xC0000 #define MAC_CFG_DESC_TX_2_SNAP_HDR_INSERTION_EN_POS 20 #define MAC_CFG_DESC_TX_2_SNAP_HDR_INSERTION_EN_LEN 1 #define MAC_CFG_DESC_TX_2_SNAP_HDR_INSERTION_EN_MSK 0x100000 #define MAC_CFG_DESC_TX_2_VLAN_REMOVAL_EN_POS 21 #define MAC_CFG_DESC_TX_2_VLAN_REMOVAL_EN_LEN 1 #define MAC_CFG_DESC_TX_2_VLAN_REMOVAL_EN_MSK 0x200000 /* TX MAC Dword 3 */ #define MAC_CFG_DESC_TX_3_UCODE_CMD_POS 0 #define MAC_CFG_DESC_TX_3_UCODE_CMD_LEN 32 #define MAC_CFG_DESC_TX_3_UCODE_CMD_MSK 0xFFFFFFFF /* TX DMA Dword 0 */ #define DMA_CFG_DESC_TX_0_L4_LENGTH_POS 0 #define DMA_CFG_DESC_TX_0_L4_LENGTH_LEN 8 #define DMA_CFG_DESC_TX_0_L4_LENGTH_MSK 0xFF #define DMA_CFG_DESC_TX_0_CMD_EOP_POS 8 #define DMA_CFG_DESC_TX_0_CMD_EOP_LEN 1 #define DMA_CFG_DESC_TX_0_CMD_EOP_MSK 0x100 #define DMA_CFG_DESC_TX_0_CMD_MARK_WB_POS 9 #define DMA_CFG_DESC_TX_0_CMD_MARK_WB_LEN 1 #define DMA_CFG_DESC_TX_0_CMD_MARK_WB_MSK 0x200 #define DMA_CFG_DESC_TX_0_CMD_DMA_IT_POS 10 #define DMA_CFG_DESC_TX_0_CMD_DMA_IT_LEN 1 #define DMA_CFG_DESC_TX_0_CMD_DMA_IT_MSK 0x400 #define DMA_CFG_DESC_TX_0_SEGMENT_BUF_DETAILS_POS 11 #define DMA_CFG_DESC_TX_0_SEGMENT_BUF_DETAILS_LEN 2 #define DMA_CFG_DESC_TX_0_SEGMENT_BUF_DETAILS_MSK 0x1800 #define DMA_CFG_DESC_TX_0_TCP_SEG_EN_POS 13 #define DMA_CFG_DESC_TX_0_TCP_SEG_EN_LEN 1 #define DMA_CFG_DESC_TX_0_TCP_SEG_EN_MSK 0x2000 #define DMA_CFG_DESC_TX_0_IPV4_CHECKSUM_EN_POS 14 #define DMA_CFG_DESC_TX_0_IPV4_CHECKSUM_EN_LEN 1 #define DMA_CFG_DESC_TX_0_IPV4_CHECKSUM_EN_MSK 0x4000 #define DMA_CFG_DESC_TX_0_TCP_UDP_CHECKSUM_EN_POS 15 #define DMA_CFG_DESC_TX_0_TCP_UDP_CHECKSUM_EN_LEN 1 #define DMA_CFG_DESC_TX_0_TCP_UDP_CHECKSUM_EN_MSK 0x8000 #define DMA_CFG_DESC_TX_0_QID_POS 16 #define DMA_CFG_DESC_TX_0_QID_LEN 5 #define DMA_CFG_DESC_TX_0_QID_MSK 0x1F0000 #define DMA_CFG_DESC_TX_0_PSEUDO_HEADER_CALC_EN_POS 21 #define DMA_CFG_DESC_TX_0_PSEUDO_HEADER_CALC_EN_LEN 1 #define DMA_CFG_DESC_TX_0_PSEUDO_HEADER_CALC_EN_MSK 0x200000 #define DMA_CFG_DESC_TX_0_L4_TYPE_POS 30 #define DMA_CFG_DESC_TX_0_L4_TYPE_LEN 2 #define DMA_CFG_DESC_TX_0_L4_TYPE_MSK 0xC0000000 /* L4 type: 0-UDP, 2-TCP */ #define DMA_CFG_DESC_TX_OFFLOAD_CFG_MAC_LEN_POS 0 #define DMA_CFG_DESC_TX_OFFLOAD_CFG_MAC_LEN_LEN 7 #define DMA_CFG_DESC_TX_OFFLOAD_CFG_MAC_LEN_MSK 0x7F /* MAC hdr len */ #define DMA_CFG_DESC_TX_OFFLOAD_CFG_L3T_IPV4_POS 7 #define DMA_CFG_DESC_TX_OFFLOAD_CFG_L3T_IPV4_LEN 1 #define DMA_CFG_DESC_TX_OFFLOAD_CFG_L3T_IPV4_MSK 0x80 /* 1-IPv4, 0-IPv6 */ #define TX_DMA_STATUS_DU BIT(0) /* Tx descriptor - DMA part * [dword 0] * bit 0.. 7 : l4_length:8 layer 4 length * bit 8 : cmd_eop:1 This descriptor is the last one in the packet * bit 9 : reserved * bit 10 : cmd_dma_it:1 immediate interrupt * bit 11..12 : SBD - Segment Buffer Details * 00 - Header Segment * 01 - First Data Segment * 10 - Medium Data Segment * 11 - Last Data Segment * bit 13 : TSE - TCP Segmentation Enable * bit 14 : IIC - Directs the HW to Insert IPv4 Checksum * bit 15 : ITC - Directs the HW to Insert TCP/UDP Checksum * bit 16..20 : QID - The target QID that the packet should be stored * in the MAC. * bit 21 : PO - Pseudo header Offload: * 0 - Use the pseudo header value from the TCP checksum field * 1- Calculate Pseudo header Checksum * bit 22 : NC - No UDP Checksum * bit 23..29 : reserved * bit 30..31 : L4T - Layer 4 Type: 00 - UDP , 10 - TCP , 10, 11 - Reserved * If L4Len equal 0, no L4 at all * [dword 1] * bit 0..31 : addr_low:32 The payload buffer low address * [dword 2] * bit 0..15 : addr_high:16 The payload buffer high address * bit 16..23 : ip_length:8 The IP header length for the TX IP checksum * offload feature * bit 24..30 : mac_length:7 * bit 31 : ip_version:1 1 - IPv4, 0 - IPv6 * [dword 3] * [byte 12] error * bit 0 2 : mac_status:3 * bit 3 7 : reserved:5 * [byte 13] status * bit 0 : DU:1 Descriptor Used * bit 1 7 : reserved:7 * [word 7] length */ struct vring_tx_dma { u32 d0; struct wil_ring_dma_addr addr; u8 ip_length; u8 b11; /* 0..6: mac_length; 7:ip_version */ u8 error; /* 0..2: err; 3..7: reserved; */ u8 status; /* 0: used; 1..7; reserved */ __le16 length; } __packed; /* TSO type used in dma descriptor d0 bits 11-12 */ enum { wil_tso_type_hdr = 0, wil_tso_type_first = 1, wil_tso_type_mid = 2, wil_tso_type_lst = 3, }; /* Rx descriptor - MAC part * [dword 0] * bit 0.. 3 : tid:4 The QoS (b3-0) TID Field * bit 4.. 6 : cid:3 The Source index that was found during parsing the TA. * This field is used to define the source of the packet * bit 7 : MAC_id_valid:1, 1 if MAC virtual number is valid. * bit 8.. 9 : mid:2 The MAC virtual number * bit 10..11 : frame_type:2 : The FC (b3-2) - MPDU Type * (management, data, control and extension) * bit 12..15 : frame_subtype:4 : The FC (b7-4) - Frame Subtype * bit 16..27 : seq_number:12 The received Sequence number field * bit 28..31 : extended:4 extended subtype * [dword 1] * bit 0.. 3 : reserved * bit 4.. 5 : key_id:2 * bit 6 : decrypt_bypass:1 * bit 7 : security:1 FC (b14) * bit 8.. 9 : ds_bits:2 FC (b9-8) * bit 10 : a_msdu_present:1 QoS (b7) * bit 11 : a_msdu_type:1 QoS (b8) * bit 12 : a_mpdu:1 part of AMPDU aggregation * bit 13 : broadcast:1 * bit 14 : mutlicast:1 * bit 15 : reserved:1 * bit 16..20 : rx_mac_qid:5 The Queue Identifier that the packet * is received from * bit 21..24 : mcs:4 * bit 25..28 : mic_icr:4 this signal tells the DMA to assert an interrupt * after it writes the packet * bit 29..31 : reserved:3 * [dword 2] * bit 0.. 2 : time_slot:3 The timeslot that the MPDU is received * bit 3.. 4 : fc_protocol_ver:1 The FC (b1-0) - Protocol Version * bit 5 : fc_order:1 The FC Control (b15) -Order * bit 6.. 7 : qos_ack_policy:2 The QoS (b6-5) ack policy Field * bit 8 : esop:1 The QoS (b4) ESOP field * bit 9 : qos_rdg_more_ppdu:1 The QoS (b9) RDG field * bit 10..14 : qos_reserved:5 The QoS (b14-10) Reserved field * bit 15 : qos_ac_constraint:1 QoS (b15) * bit 16..31 : pn_15_0:16 low 2 bytes of PN * [dword 3] * bit 0..31 : pn_47_16:32 high 4 bytes of PN */ struct vring_rx_mac { u32 d0; u32 d1; u16 w4; u16 pn_15_0; u32 pn_47_16; } __packed; /* Rx descriptor - DMA part * [dword 0] * bit 0.. 7 : l4_length:8 layer 4 length. The field is only valid if * L4I bit is set * bit 8 : cmd_eop:1 set to 1 * bit 9 : cmd_rt:1 set to 1 * bit 10 : cmd_dma_it:1 immediate interrupt * bit 11..15 : reserved:5 * bit 16..29 : phy_info_length:14 It is valid when the PII is set. * When the FFM bit is set bits 29-27 are used for for * Flex Filter Match. Matching Index to one of the L2 * EtherType Flex Filter * bit 30..31 : l4_type:2 valid if the L4I bit is set in the status field * 00 - UDP, 01 - TCP, 10, 11 - reserved * [dword 1] * bit 0..31 : addr_low:32 The payload buffer low address * [dword 2] * bit 0..15 : addr_high:16 The payload buffer high address * bit 16..23 : ip_length:8 The filed is valid only if the L3I bit is set * bit 24..30 : mac_length:7 * bit 31 : ip_version:1 1 - IPv4, 0 - IPv6 * [dword 3] * [byte 12] error * bit 0 : FCS:1 * bit 1 : MIC:1 * bit 2 : Key miss:1 * bit 3 : Replay:1 * bit 4 : L3:1 IPv4 checksum * bit 5 : L4:1 TCP/UDP checksum * bit 6 7 : reserved:2 * [byte 13] status * bit 0 : DU:1 Descriptor Used * bit 1 : EOP:1 The descriptor indicates the End of Packet * bit 2 : error:1 * bit 3 : MI:1 MAC Interrupt is asserted (according to parser decision) * bit 4 : L3I:1 L3 identified and checksum calculated * bit 5 : L4I:1 L4 identified and checksum calculated * bit 6 : PII:1 PHY Info Included in the packet * bit 7 : FFM:1 EtherType Flex Filter Match * [word 7] length */ #define RX_DMA_D0_CMD_DMA_EOP BIT(8) #define RX_DMA_D0_CMD_DMA_RT BIT(9) /* always 1 */ #define RX_DMA_D0_CMD_DMA_IT BIT(10) /* interrupt */ #define RX_MAC_D0_MAC_ID_VALID BIT(7) /* Error field */ #define RX_DMA_ERROR_FCS BIT(0) #define RX_DMA_ERROR_MIC BIT(1) #define RX_DMA_ERROR_KEY BIT(2) /* Key missing */ #define RX_DMA_ERROR_REPLAY BIT(3) #define RX_DMA_ERROR_L3_ERR BIT(4) #define RX_DMA_ERROR_L4_ERR BIT(5) /* Status field */ #define RX_DMA_STATUS_DU BIT(0) #define RX_DMA_STATUS_EOP BIT(1) #define RX_DMA_STATUS_ERROR BIT(2) #define RX_DMA_STATUS_MI BIT(3) /* MAC Interrupt is asserted */ #define RX_DMA_STATUS_L3I BIT(4) #define RX_DMA_STATUS_L4I BIT(5) #define RX_DMA_STATUS_PHY_INFO BIT(6) #define RX_DMA_STATUS_FFM BIT(7) /* EtherType Flex Filter Match */ /* IEEE 802.11, 8.5.2 EAPOL-Key frames */ #define WIL_KEY_INFO_KEY_TYPE BIT(3) /* val of 1 = Pairwise, 0 = Group key */ #define WIL_KEY_INFO_MIC BIT(8) #define WIL_KEY_INFO_ENCR_KEY_DATA BIT(12) /* for rsn only */ #define WIL_EAP_NONCE_LEN 32 #define WIL_EAP_KEY_RSC_LEN 8 #define WIL_EAP_REPLAY_COUNTER_LEN 8 #define WIL_EAP_KEY_IV_LEN 16 #define WIL_EAP_KEY_ID_LEN 8 enum { WIL_1X_TYPE_EAP_PACKET = 0, WIL_1X_TYPE_EAPOL_START = 1, WIL_1X_TYPE_EAPOL_LOGOFF = 2, WIL_1X_TYPE_EAPOL_KEY = 3, }; #define WIL_EAPOL_KEY_TYPE_RSN 2 #define WIL_EAPOL_KEY_TYPE_WPA 254 struct wil_1x_hdr { u8 version; u8 type; __be16 length; /* followed by data */ } __packed; struct wil_eapol_key { u8 type; __be16 key_info; __be16 key_length; u8 replay_counter[WIL_EAP_REPLAY_COUNTER_LEN]; u8 key_nonce[WIL_EAP_NONCE_LEN]; u8 key_iv[WIL_EAP_KEY_IV_LEN]; u8 key_rsc[WIL_EAP_KEY_RSC_LEN]; u8 key_id[WIL_EAP_KEY_ID_LEN]; } __packed; struct vring_rx_dma { u32 d0; struct wil_ring_dma_addr addr; u8 ip_length; u8 b11; u8 error; u8 status; __le16 length; } __packed; struct vring_tx_desc { struct vring_tx_mac mac; struct vring_tx_dma dma; } __packed; union wil_tx_desc { struct vring_tx_desc legacy; struct wil_tx_enhanced_desc enhanced; } __packed; struct vring_rx_desc { struct vring_rx_mac mac; struct vring_rx_dma dma; } __packed; union wil_rx_desc { struct vring_rx_desc legacy; struct wil_rx_enhanced_desc enhanced; } __packed; union wil_ring_desc { union wil_tx_desc tx; union wil_rx_desc rx; } __packed; struct packet_rx_info { u8 cid; }; /* this struct will be stored in the skb cb buffer * max length of the struct is limited to 48 bytes */ struct skb_rx_info { struct vring_rx_desc rx_desc; struct packet_rx_info rx_info; }; static inline int wil_rxdesc_tid(struct vring_rx_desc *d) { return WIL_GET_BITS(d->mac.d0, 0, 3); } static inline int wil_rxdesc_cid(struct vring_rx_desc *d) { return WIL_GET_BITS(d->mac.d0, 4, 6); } static inline int wil_rxdesc_mid(struct vring_rx_desc *d) { return (d->mac.d0 & RX_MAC_D0_MAC_ID_VALID) ? WIL_GET_BITS(d->mac.d0, 8, 9) : 0; } static inline int wil_rxdesc_ftype(struct vring_rx_desc *d) { return WIL_GET_BITS(d->mac.d0, 10, 11); } static inline int wil_rxdesc_subtype(struct vring_rx_desc *d) { return WIL_GET_BITS(d->mac.d0, 12, 15); } /* 1-st byte (with frame type/subtype) of FC field */ static inline u8 wil_rxdesc_fc1(struct vring_rx_desc *d) { return (u8)(WIL_GET_BITS(d->mac.d0, 10, 15) << 2); } static inline int wil_rxdesc_seq(struct vring_rx_desc *d) { return WIL_GET_BITS(d->mac.d0, 16, 27); } static inline int wil_rxdesc_ext_subtype(struct vring_rx_desc *d) { return WIL_GET_BITS(d->mac.d0, 28, 31); } static inline int wil_rxdesc_retry(struct vring_rx_desc *d) { return WIL_GET_BITS(d->mac.d0, 31, 31); } static inline int wil_rxdesc_key_id(struct vring_rx_desc *d) { return WIL_GET_BITS(d->mac.d1, 4, 5); } static inline int wil_rxdesc_security(struct vring_rx_desc *d) { return WIL_GET_BITS(d->mac.d1, 7, 7); } static inline int wil_rxdesc_ds_bits(struct vring_rx_desc *d) { return WIL_GET_BITS(d->mac.d1, 8, 9); } static inline int wil_rxdesc_mcs(struct vring_rx_desc *d) { return WIL_GET_BITS(d->mac.d1, 21, 24); } static inline int wil_rxdesc_mcast(struct vring_rx_desc *d) { return WIL_GET_BITS(d->mac.d1, 13, 14); } static inline struct vring_rx_desc *wil_skb_rxdesc(struct sk_buff *skb) { return (void *)skb->cb; } static inline int wil_ring_is_empty(struct wil_ring *ring) { return ring->swhead == ring->swtail; } static inline u32 wil_ring_next_tail(struct wil_ring *ring) { return (ring->swtail + 1) % ring->size; } static inline void wil_ring_advance_head(struct wil_ring *ring, int n) { ring->swhead = (ring->swhead + n) % ring->size; } static inline int wil_ring_is_full(struct wil_ring *ring) { return wil_ring_next_tail(ring) == ring->swhead; } static inline u8 *wil_skb_get_da(struct sk_buff *skb) { struct ethhdr *eth = (void *)skb->data; return eth->h_dest; } static inline u8 *wil_skb_get_sa(struct sk_buff *skb) { struct ethhdr *eth = (void *)skb->data; return eth->h_source; } static inline bool wil_need_txstat(struct sk_buff *skb) { const u8 *da = wil_skb_get_da(skb); return is_unicast_ether_addr(da) && skb->sk && (skb_shinfo(skb)->tx_flags & SKBTX_WIFI_STATUS); } static inline void wil_consume_skb(struct sk_buff *skb, bool acked) { if (unlikely(wil_need_txstat(skb))) skb_complete_wifi_ack(skb, acked); else acked ? dev_consume_skb_any(skb) : dev_kfree_skb_any(skb); } /* Used space in Tx ring */ static inline int wil_ring_used_tx(struct wil_ring *ring) { u32 swhead = ring->swhead; u32 swtail = ring->swtail; return (ring->size + swhead - swtail) % ring->size; } /* Available space in Tx ring */ static inline int wil_ring_avail_tx(struct wil_ring *ring) { return ring->size - wil_ring_used_tx(ring) - 1; } static inline int wil_get_min_tx_ring_id(struct wil6210_priv *wil) { /* In Enhanced DMA ring 0 is reserved for RX */ return wil->use_enhanced_dma_hw ? 1 : 0; } /* similar to ieee80211_ version, but FC contain only 1-st byte */ static inline int wil_is_back_req(u8 fc) { return (fc & (IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == (IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ); } /* wil_val_in_range - check if value in [min,max) */ static inline bool wil_val_in_range(int val, int min, int max) { return val >= min && val < max; } static inline u8 wil_skb_get_cid(struct sk_buff *skb) { struct skb_rx_info *skb_rx_info = (void *)skb->cb; return skb_rx_info->rx_info.cid; } static inline void wil_skb_set_cid(struct sk_buff *skb, u8 cid) { struct skb_rx_info *skb_rx_info = (void *)skb->cb; skb_rx_info->rx_info.cid = cid; } void wil_netif_rx_any(struct sk_buff *skb, struct net_device *ndev); void wil_netif_rx(struct sk_buff *skb, struct net_device *ndev, int cid, struct wil_net_stats *stats, bool gro); void wil_rx_reorder(struct wil6210_priv *wil, struct sk_buff *skb); void wil_rx_bar(struct wil6210_priv *wil, struct wil6210_vif *vif, u8 cid, u8 tid, u16 seq); struct wil_tid_ampdu_rx *wil_tid_ampdu_rx_alloc(struct wil6210_priv *wil, int size, u16 ssn); void wil_tid_ampdu_rx_free(struct wil6210_priv *wil, struct wil_tid_ampdu_rx *r); void wil_tx_data_init(struct wil_ring_tx_data *txdata); void wil_init_txrx_ops_legacy_dma(struct wil6210_priv *wil); void wil_tx_latency_calc(struct wil6210_priv *wil, struct sk_buff *skb, struct wil_sta_info *sta); #endif /* WIL6210_TXRX_H */
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