ath10k: abstract htt_rx_desc structure

Message ID	CAH4F6us6kLs4WZVKVNQV69wZ=BA2AzOyacyKLB3RfVme=9uKvA@mail.gmail.com (mailing list archive)
State	Changes Requested
Delegated to:	Kalle Valo
Headers	show Return-Path: <linux-wireless-owner@kernel.org> MIME-Version: 1.0 From: Francesco Magliocca <franciman12@gmail.com> Date: Mon, 8 Nov 2021 17:25:08 +0100 Message-ID: <CAH4F6us6kLs4WZVKVNQV69wZ=BA2AzOyacyKLB3RfVme=9uKvA@mail.gmail.com> Subject: [PATCH] ath10k: abstract htt_rx_desc structure To: ath10k@lists.infradead.org Cc: Thorsten Leemhuis <regressions@leemhuis.info>, linux-wireless@vger.kernel.org, enrico@fracta.dev Content-Type: text/plain; charset="UTF-8" Precedence: bulk
Series	ath10k: abstract htt_rx_desc structure \| expand ath10k: abstract htt_rx_desc structure

diff --git a/drivers/net/wireless/ath/ath10k/core.c b/drivers/net/wireless/ath/ath10k/core.c index 72a366aa9f60..abbd67d8dfac 100644 --- a/drivers/net/wireless/ath/ath10k/core.c +++ b/drivers/net/wireless/ath/ath10k/core.c @@ -75,6 +75,7 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = { .board_size = QCA988X_BOARD_DATA_SZ, .board_ext_size = QCA988X_BOARD_EXT_DATA_SZ, }, + .rx_desc_ops = &qca988x_rx_desc_ops, .hw_ops = &qca988x_ops, .decap_align_bytes = 4, .spectral_bin_discard = 0, @@ -110,6 +111,7 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = { .board_size = QCA988X_BOARD_DATA_SZ, .board_ext_size = QCA988X_BOARD_EXT_DATA_SZ, }, + .rx_desc_ops = &qca988x_rx_desc_ops, .hw_ops = &qca988x_ops, .decap_align_bytes = 4, .spectral_bin_discard = 0, @@ -146,6 +148,7 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = { .board_size = QCA9887_BOARD_DATA_SZ, .board_ext_size = QCA9887_BOARD_EXT_DATA_SZ, }, + .rx_desc_ops = &qca988x_rx_desc_ops, .hw_ops = &qca988x_ops, .decap_align_bytes = 4, .spectral_bin_discard = 0, @@ -181,6 +184,7 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = { .board_size = QCA6174_BOARD_DATA_SZ, .board_ext_size = QCA6174_BOARD_EXT_DATA_SZ, }, + .rx_desc_ops = &qca988x_rx_desc_ops, .hw_ops = &qca6174_sdio_ops, .hw_clk = qca6174_clk, .target_cpu_freq = 176000000, @@ -212,6 +216,7 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = { .board_size = QCA6174_BOARD_DATA_SZ, .board_ext_size = QCA6174_BOARD_EXT_DATA_SZ, }, + .rx_desc_ops = &qca988x_rx_desc_ops, .hw_ops = &qca988x_ops, .decap_align_bytes = 4, .spectral_bin_discard = 0, @@ -247,6 +252,7 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = { .board_size = QCA6174_BOARD_DATA_SZ, .board_ext_size = QCA6174_BOARD_EXT_DATA_SZ, }, + .rx_desc_ops = &qca988x_rx_desc_ops, .hw_ops = &qca988x_ops, .decap_align_bytes = 4, .spectral_bin_discard = 0, @@ -282,6 +288,7 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = { .board_size = QCA6174_BOARD_DATA_SZ, .board_ext_size = QCA6174_BOARD_EXT_DATA_SZ, }, + .rx_desc_ops = &qca988x_rx_desc_ops, .hw_ops = &qca988x_ops, .decap_align_bytes = 4, .spectral_bin_discard = 0, @@ -318,6 +325,7 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = { .board_size = QCA6174_BOARD_DATA_SZ, .board_ext_size = QCA6174_BOARD_EXT_DATA_SZ, }, + .rx_desc_ops = &qca988x_rx_desc_ops, .hw_ops = &qca6174_ops, .hw_clk = qca6174_clk, .target_cpu_freq = 176000000, @@ -362,6 +370,7 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = { .board_ext_size = QCA99X0_BOARD_EXT_DATA_SZ, }, .sw_decrypt_mcast_mgmt = true, + .rx_desc_ops = &qca99x0_rx_desc_ops, .hw_ops = &qca99x0_ops, .decap_align_bytes = 1, .spectral_bin_discard = 4, @@ -406,6 +415,7 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = { .ext_board_size = QCA99X0_EXT_BOARD_DATA_SZ, }, .sw_decrypt_mcast_mgmt = true, + .rx_desc_ops = &qca99x0_rx_desc_ops, .hw_ops = &qca99x0_ops, .decap_align_bytes = 1, .spectral_bin_discard = 12, @@ -451,6 +461,7 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = { .board_ext_size = QCA99X0_BOARD_EXT_DATA_SZ, }, .sw_decrypt_mcast_mgmt = true, + .rx_desc_ops = &qca99x0_rx_desc_ops, .hw_ops = &qca99x0_ops, .decap_align_bytes = 1, .spectral_bin_discard = 12, @@ -490,6 +501,7 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = { .board_size = QCA9377_BOARD_DATA_SZ, .board_ext_size = QCA9377_BOARD_EXT_DATA_SZ, }, + .rx_desc_ops = &qca988x_rx_desc_ops, .hw_ops = &qca988x_ops, .decap_align_bytes = 4, .spectral_bin_discard = 0, @@ -525,6 +537,7 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = { .board_size = QCA9377_BOARD_DATA_SZ, .board_ext_size = QCA9377_BOARD_EXT_DATA_SZ, }, + .rx_desc_ops = &qca988x_rx_desc_ops, .hw_ops = &qca6174_ops, .hw_clk = qca6174_clk, .target_cpu_freq = 176000000, @@ -562,6 +575,7 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = { .board_size = QCA9377_BOARD_DATA_SZ, .board_ext_size = QCA9377_BOARD_EXT_DATA_SZ, }, + .rx_desc_ops = &qca988x_rx_desc_ops, .hw_ops = &qca6174_ops, .hw_clk = qca6174_clk, .target_cpu_freq = 176000000, @@ -597,6 +611,7 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = { .board_ext_size = QCA4019_BOARD_EXT_DATA_SZ, }, .sw_decrypt_mcast_mgmt = true, + .rx_desc_ops = &qca99x0_rx_desc_ops, .hw_ops = &qca99x0_ops, .decap_align_bytes = 1, .spectral_bin_discard = 4, @@ -628,6 +643,7 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = { .dir = WCN3990_HW_1_0_FW_DIR, }, .sw_decrypt_mcast_mgmt = true, + .rx_desc_ops = &wcn3990_rx_desc_ops, .hw_ops = &wcn3990_ops, .decap_align_bytes = 1, .num_peers = TARGET_HL_TLV_NUM_PEERS, diff --git a/drivers/net/wireless/ath/ath10k/htt.c b/drivers/net/wireless/ath/ath10k/htt.c index 127b4e4980ef..bf8e1b5bf65c 100644 --- a/drivers/net/wireless/ath/ath10k/htt.c +++ b/drivers/net/wireless/ath/ath10k/htt.c @@ -131,6 +131,157 @@ static const enum htt_t2h_msg_type htt_10_4_t2h_msg_types[] = { HTT_T2H_MSG_TYPE_PEER_STATS, }; +const struct ath10k_htt_rx_desc_ops qca988x_rx_desc_ops = { + .rx_desc_size = sizeof(struct htt_rx_desc_old_qca), + .rx_desc_msdu_payload_offset = offsetof(struct htt_rx_desc_old_qca, msdu_payload) +}; + +static int ath10k_qca99x0_rx_desc_get_l3_pad_bytes(struct htt_rx_desc *rxd) +{ + struct htt_rx_desc_old_qca *rx_desc = container_of(rxd, struct htt_rx_desc_old_qca, base); + + return MS(__le32_to_cpu(rx_desc->msdu_end.qca99x0.info1), + RX_MSDU_END_INFO1_L3_HDR_PAD); +} + +static bool ath10k_qca99x0_rx_desc_msdu_limit_error(struct htt_rx_desc *rxd) +{ + struct htt_rx_desc_old_qca *rx_desc = container_of(rxd, struct htt_rx_desc_old_qca, base); + + return !!(rx_desc->msdu_end.common.info0 & + __cpu_to_le32(RX_MSDU_END_INFO0_MSDU_LIMIT_ERR)); +} + +const struct ath10k_htt_rx_desc_ops qca99x0_rx_desc_ops = { + .rx_desc_size = sizeof(struct htt_rx_desc_old_qca), + .rx_desc_msdu_payload_offset = offsetof(struct htt_rx_desc_old_qca, msdu_payload), + + .rx_desc_get_l3_pad_bytes = ath10k_qca99x0_rx_desc_get_l3_pad_bytes, + .rx_desc_get_msdu_limit_error = ath10k_qca99x0_rx_desc_msdu_limit_error, +}; + +static void ath10k_rx_desc_wcn3990_get_offsets(struct htt_rx_ring_rx_desc_offsets *off) +{ +#define desc_offset(x) (offsetof(struct htt_rx_desc_new, x) / 4) + off->mac80211_hdr_offset = __cpu_to_le16(desc_offset(rx_hdr_status)); + off->msdu_payload_offset = __cpu_to_le16(desc_offset(msdu_payload)); + off->ppdu_start_offset = __cpu_to_le16(desc_offset(ppdu_start)); + off->ppdu_end_offset = __cpu_to_le16(desc_offset(ppdu_end)); + off->mpdu_start_offset = __cpu_to_le16(desc_offset(mpdu_start)); + off->mpdu_end_offset = __cpu_to_le16(desc_offset(mpdu_end)); + off->msdu_start_offset = __cpu_to_le16(desc_offset(msdu_start)); + off->msdu_end_offset = __cpu_to_le16(desc_offset(msdu_end)); + off->rx_attention_offset = __cpu_to_le16(desc_offset(attention)); + off->frag_info_offset = __cpu_to_le16(desc_offset(frag_info)); +#undef desc_metadata_offset +#undef metadata_offset +#undef desc_offset +} + +static struct htt_rx_desc * +ath10k_rx_desc_wcn3990_from_raw_buffer(void *buff) +{ + return &((struct htt_rx_desc_new *)buff)->base; +} + +static struct rx_attention * +ath10k_rx_desc_wcn3990_get_attention(struct htt_rx_desc *rxd) +{ + struct htt_rx_desc_new *rx_desc = container_of(rxd, struct htt_rx_desc_new, base); + + return &rx_desc->attention; +} + +static struct rx_frag_info_common * +ath10k_rx_desc_wcn3990_get_frag_info(struct htt_rx_desc *rxd) +{ + struct htt_rx_desc_new *rx_desc = container_of(rxd, struct htt_rx_desc_new, base); + + return &rx_desc->frag_info.common; +} + +static struct rx_mpdu_start * +ath10k_rx_desc_wcn3990_get_mpdu_start(struct htt_rx_desc *rxd) +{ + struct htt_rx_desc_new *rx_desc = container_of(rxd, struct htt_rx_desc_new, base); + + return &rx_desc->mpdu_start; +} + +static struct rx_mpdu_end * +ath10k_rx_desc_wcn3990_get_mpdu_end(struct htt_rx_desc *rxd) +{ + struct htt_rx_desc_new *rx_desc = container_of(rxd, struct htt_rx_desc_new, base); + + return &rx_desc->mpdu_end; +} + +static struct rx_msdu_start_common * +ath10k_rx_desc_wcn3990_get_msdu_start(struct htt_rx_desc *rxd) +{ + struct htt_rx_desc_new *rx_desc = container_of(rxd, struct htt_rx_desc_new, base); + + return &rx_desc->msdu_start.common; +} + +static struct rx_msdu_end_common * +ath10k_rx_desc_wcn3990_get_msdu_end(struct htt_rx_desc *rxd) +{ + struct htt_rx_desc_new *rx_desc = container_of(rxd, struct htt_rx_desc_new, base); + + return &rx_desc->msdu_end.common; +} + +static struct rx_ppdu_start * +ath10k_rx_desc_wcn3990_get_ppdu_start(struct htt_rx_desc *rxd) +{ + struct htt_rx_desc_new *rx_desc = container_of(rxd, struct htt_rx_desc_new, base); + + return &rx_desc->ppdu_start; +} + +static struct rx_ppdu_end_common * +ath10k_rx_desc_wcn3990_get_ppdu_end(struct htt_rx_desc *rxd) +{ + struct htt_rx_desc_new *rx_desc = container_of(rxd, struct htt_rx_desc_new, base); + + return &rx_desc->ppdu_end.common; +} + +static u8 * +ath10k_rx_desc_wcn3990_get_rx_hdr_status(struct htt_rx_desc *rxd) +{ + struct htt_rx_desc_new *rx_desc = container_of(rxd, struct htt_rx_desc_new, base); + + return rx_desc->rx_hdr_status; +} + +static u8 * +ath10k_rx_desc_wcn3990_get_msdu_payload(struct htt_rx_desc *rxd) +{ + struct htt_rx_desc_new *rx_desc = container_of(rxd, struct htt_rx_desc_new, base); + + return rx_desc->msdu_payload; +} + +const struct ath10k_htt_rx_desc_ops wcn3990_rx_desc_ops = { + .rx_desc_size = sizeof(struct htt_rx_desc_new), + .rx_desc_msdu_payload_offset = offsetof(struct htt_rx_desc_new, msdu_payload), + + .rx_desc_from_raw_buffer = ath10k_rx_desc_wcn3990_from_raw_buffer, + .rx_desc_get_offsets = ath10k_rx_desc_wcn3990_get_offsets, + .rx_desc_get_attention = ath10k_rx_desc_wcn3990_get_attention, + .rx_desc_get_frag_info = ath10k_rx_desc_wcn3990_get_frag_info, + .rx_desc_get_mpdu_start = ath10k_rx_desc_wcn3990_get_mpdu_start, + .rx_desc_get_mpdu_end = ath10k_rx_desc_wcn3990_get_mpdu_end, + .rx_desc_get_msdu_start = ath10k_rx_desc_wcn3990_get_msdu_start, + .rx_desc_get_msdu_end = ath10k_rx_desc_wcn3990_get_msdu_end, + .rx_desc_get_ppdu_start = ath10k_rx_desc_wcn3990_get_ppdu_start, + .rx_desc_get_ppdu_end = ath10k_rx_desc_wcn3990_get_ppdu_end, + .rx_desc_get_rx_hdr_status = ath10k_rx_desc_wcn3990_get_rx_hdr_status, + .rx_desc_get_msdu_payload = ath10k_rx_desc_wcn3990_get_msdu_payload, +}; + int ath10k_htt_connect(struct ath10k_htt *htt) { struct ath10k_htc_svc_conn_req conn_req; diff --git a/drivers/net/wireless/ath/ath10k/htt.h b/drivers/net/wireless/ath/ath10k/htt.h index ec689e3ce48a..7c869fe523b4 100644 --- a/drivers/net/wireless/ath/ath10k/htt.h +++ b/drivers/net/wireless/ath/ath10k/htt.h @@ -240,14 +240,7 @@ enum htt_rx_ring_flags { #define HTT_RX_RING_FILL_LEVEL (((HTT_RX_RING_SIZE) / 2) - 1) #define HTT_RX_RING_FILL_LEVEL_DUAL_MAC (HTT_RX_RING_SIZE - 1) -struct htt_rx_ring_setup_ring32 { - __le32 fw_idx_shadow_reg_paddr; - __le32 rx_ring_base_paddr; - __le16 rx_ring_len; /* in 4-byte words */ - __le16 rx_ring_bufsize; /* rx skb size - in bytes */ - __le16 flags; /* %HTT_RX_RING_FLAGS_ */ - __le16 fw_idx_init_val; - +struct htt_rx_ring_rx_desc_offsets { /* the following offsets are in 4-byte units */ __le16 mac80211_hdr_offset; __le16 msdu_payload_offset; @@ -261,6 +254,17 @@ struct htt_rx_ring_setup_ring32 { __le16 frag_info_offset; } __packed; +struct htt_rx_ring_setup_ring32 { + __le32 fw_idx_shadow_reg_paddr; + __le32 rx_ring_base_paddr; + __le16 rx_ring_len; /* in 4-byte words */ + __le16 rx_ring_bufsize; /* rx skb size - in bytes */ + __le16 flags; /* %HTT_RX_RING_FLAGS_ */ + __le16 fw_idx_init_val; + + struct htt_rx_ring_rx_desc_offsets offsets; +} __packed; + struct htt_rx_ring_setup_ring64 { __le64 fw_idx_shadow_reg_paddr; __le64 rx_ring_base_paddr; @@ -269,17 +273,7 @@ struct htt_rx_ring_setup_ring64 { __le16 flags; /* %HTT_RX_RING_FLAGS_ */ __le16 fw_idx_init_val; - /* the following offsets are in 4-byte units */ - __le16 mac80211_hdr_offset; - __le16 msdu_payload_offset; - __le16 ppdu_start_offset; - __le16 ppdu_end_offset; - __le16 mpdu_start_offset; - __le16 mpdu_end_offset; - __le16 msdu_start_offset; - __le16 msdu_end_offset; - __le16 rx_attention_offset; - __le16 frag_info_offset; + struct htt_rx_ring_rx_desc_offsets offsets; } __packed; struct htt_rx_ring_setup_hdr { @@ -2182,12 +2176,22 @@ static inline bool ath10k_htt_rx_proc_rx_frag_ind(struct ath10k_htt *htt, return htt->rx_ops->htt_rx_proc_rx_frag_ind(htt, rx, skb); } +/* the driver strongly assumes that the rx header status be 64 bytes long, + * so all possible rx_desc structures must respect this assumption. + */ #define RX_HTT_HDR_STATUS_LEN 64 -/* This structure layout is programmed via rx ring setup +/* The rx descriptor structure layout is programmed via rx ring setup * so that FW knows how to transfer the rx descriptor to the host. - * Buffers like this are placed on the rx ring. + * Unfortunately, though, QCA6174's firmware doesn't currently behave correctly + * when modifying the structure layout of the rx descriptor beyond what it expects + * (even if it correctly programmed during the rx ring setup). + * Therefore we must keep two different memory layouts, abstract the rx descriptor + * representation and use ath10k_rx_desc_ops + * for correctly accessing rx descriptor data. */ + +/* base struct used for abstracting the rx descritor representation */ struct htt_rx_desc { union { /* This field is filled on the host using the msdu buffer @@ -2196,6 +2200,13 @@ struct htt_rx_desc { struct fw_rx_desc_base fw_desc; u32 pad; } __packed; +} __packed; + +/* rx descriptor for wcn3990 and possibly extensible for newer cards + * Buffers like this are placed on the rx ring. + */ +struct htt_rx_desc_new { + struct htt_rx_desc base; struct { struct rx_attention attention; struct rx_frag_info frag_info; @@ -2210,6 +2221,240 @@ struct htt_rx_desc { u8 msdu_payload[]; }; +/* QCA6174, QCA988x, QCA99x0 dedicated rx descriptor to make sure their firmware + * works correctly. We keep a single rx descriptor for all these three + * families of cards because from tests it seems to be the most stable solution, + * e.g. having a rx descriptor only for QCA6174 seldom caused firmware crashes + * during some tests. + * Buffers like this are placed on the rx ring. + */ +struct htt_rx_desc_old_qca { + struct htt_rx_desc base; + struct { + struct rx_attention attention; + struct rx_frag_info_old_qca frag_info; + struct rx_mpdu_start mpdu_start; + struct rx_msdu_start_old_qca msdu_start; + struct rx_msdu_end_old_qca msdu_end; + struct rx_mpdu_end mpdu_end; + struct rx_ppdu_start ppdu_start; + struct rx_ppdu_end_old_qca ppdu_end; + } __packed; + u8 rx_hdr_status[RX_HTT_HDR_STATUS_LEN]; + u8 msdu_payload[]; +}; + +/* rx_desc abstraction */ +struct ath10k_htt_rx_desc_ops { + /* These fields are mandatory, they must be specified in any instance */ + + /* sizeof() of the rx_desc structure used by this hw */ + size_t rx_desc_size; + + /* offset of msdu_payload inside the rx_desc structure used by this hw */ + size_t rx_desc_msdu_payload_offset; + + /* These fields are options. + * When a field is not provided the default implementation gets used + * (see the ath10k_rx_desc_* operations below for more info about the defaults) + */ + bool (*rx_desc_get_msdu_limit_error)(struct htt_rx_desc *rxd); + int (*rx_desc_get_l3_pad_bytes)(struct htt_rx_desc *rxd); + + /* Safely cast from a void* buffer containing an rx descriptor + * to the proper rx_desc structure + */ + struct htt_rx_desc *(*rx_desc_from_raw_buffer)(void *buff); + + void (*rx_desc_get_offsets)(struct htt_rx_ring_rx_desc_offsets *offs); + struct rx_attention *(*rx_desc_get_attention)(struct htt_rx_desc *rxd); + struct rx_frag_info_common *(*rx_desc_get_frag_info)(struct htt_rx_desc *rxd); + struct rx_mpdu_start *(*rx_desc_get_mpdu_start)(struct htt_rx_desc *rxd); + struct rx_mpdu_end *(*rx_desc_get_mpdu_end)(struct htt_rx_desc *rxd); + struct rx_msdu_start_common *(*rx_desc_get_msdu_start)(struct htt_rx_desc *rxd); + struct rx_msdu_end_common *(*rx_desc_get_msdu_end)(struct htt_rx_desc *rxd); + struct rx_ppdu_start *(*rx_desc_get_ppdu_start)(struct htt_rx_desc *rxd); + struct rx_ppdu_end_common *(*rx_desc_get_ppdu_end)(struct htt_rx_desc *rxd); + u8 *(*rx_desc_get_rx_hdr_status)(struct htt_rx_desc *rxd); + u8 *(*rx_desc_get_msdu_payload)(struct htt_rx_desc *rxd); +}; + +extern const struct ath10k_htt_rx_desc_ops qca988x_rx_desc_ops; +extern const struct ath10k_htt_rx_desc_ops qca99x0_rx_desc_ops; +extern const struct ath10k_htt_rx_desc_ops wcn3990_rx_desc_ops; + +static inline int +ath10k_htt_rx_desc_get_l3_pad_bytes(struct ath10k_hw_params *hw, struct htt_rx_desc *rxd) +{ + if (hw->rx_desc_ops->rx_desc_get_l3_pad_bytes) + return hw->rx_desc_ops->rx_desc_get_l3_pad_bytes(rxd); + return 0; +} + +static inline bool +ath10k_htt_rx_desc_msdu_limit_error(struct ath10k_hw_params *hw, struct htt_rx_desc *rxd) +{ + if (hw->rx_desc_ops->rx_desc_get_msdu_limit_error) + return hw->rx_desc_ops->rx_desc_get_msdu_limit_error(rxd); + return false; +} + +/* The default implementation of all these getters is using the old rx_desc, + * so that it is easier to define the ath10k_htt_rx_desc_ops instances. + * But probably, if new wireless cards must be supported, it would be better + * to switch the default implementation to the new rx_desc, since this would + * make the extension easier . + */ +static inline struct htt_rx_desc * +ath10k_htt_rx_desc_from_raw_buffer(struct ath10k_hw_params *hw, void *buff) +{ + if (hw->rx_desc_ops->rx_desc_from_raw_buffer) + return hw->rx_desc_ops->rx_desc_from_raw_buffer(buff); + return &((struct htt_rx_desc_old_qca *)buff)->base; +} + +static inline void +ath10k_htt_rx_desc_get_offsets(struct ath10k_hw_params *hw, + struct htt_rx_ring_rx_desc_offsets *off) +{ + if (hw->rx_desc_ops->rx_desc_get_offsets) { + hw->rx_desc_ops->rx_desc_get_offsets(off); + } else { +#define desc_offset(x) (offsetof(struct htt_rx_desc_old_qca, x) / 4) + off->mac80211_hdr_offset = __cpu_to_le16(desc_offset(rx_hdr_status)); + off->msdu_payload_offset = __cpu_to_le16(desc_offset(msdu_payload)); + off->ppdu_start_offset = __cpu_to_le16(desc_offset(ppdu_start)); + off->ppdu_end_offset = __cpu_to_le16(desc_offset(ppdu_end)); + off->mpdu_start_offset = __cpu_to_le16(desc_offset(mpdu_start)); + off->mpdu_end_offset = __cpu_to_le16(desc_offset(mpdu_end)); + off->msdu_start_offset = __cpu_to_le16(desc_offset(msdu_start)); + off->msdu_end_offset = __cpu_to_le16(desc_offset(msdu_end)); + off->rx_attention_offset = __cpu_to_le16(desc_offset(attention)); + off->frag_info_offset = __cpu_to_le16(desc_offset(frag_info)); +#undef desc_offset + } +} + +static inline struct rx_attention * +ath10k_htt_rx_desc_get_attention(struct ath10k_hw_params *hw, struct htt_rx_desc *rxd) +{ + struct htt_rx_desc_old_qca *rx_desc; + + if (hw->rx_desc_ops->rx_desc_get_attention) + return hw->rx_desc_ops->rx_desc_get_attention(rxd); + + rx_desc = container_of(rxd, struct htt_rx_desc_old_qca, base); + return &rx_desc->attention; +} + +static inline struct rx_frag_info_common * +ath10k_htt_rx_desc_get_frag_info(struct ath10k_hw_params *hw, struct htt_rx_desc *rxd) +{ + struct htt_rx_desc_old_qca *rx_desc; + + if (hw->rx_desc_ops->rx_desc_get_frag_info) + return hw->rx_desc_ops->rx_desc_get_frag_info(rxd); + + rx_desc = container_of(rxd, struct htt_rx_desc_old_qca, base); + return &rx_desc->frag_info.common; +} + +static inline struct rx_mpdu_start * +ath10k_htt_rx_desc_get_mpdu_start(struct ath10k_hw_params *hw, struct htt_rx_desc *rxd) +{ + struct htt_rx_desc_old_qca *rx_desc; + + if (hw->rx_desc_ops->rx_desc_get_mpdu_start) + return hw->rx_desc_ops->rx_desc_get_mpdu_start(rxd); + + rx_desc = container_of(rxd, struct htt_rx_desc_old_qca, base); + return &rx_desc->mpdu_start; +} + +static inline struct rx_mpdu_end * +ath10k_htt_rx_desc_get_mpdu_end(struct ath10k_hw_params *hw, struct htt_rx_desc *rxd) +{ + struct htt_rx_desc_old_qca *rx_desc; + + if (hw->rx_desc_ops->rx_desc_get_mpdu_end) + return hw->rx_desc_ops->rx_desc_get_mpdu_end(rxd); + + rx_desc = container_of(rxd, struct htt_rx_desc_old_qca, base); + return &rx_desc->mpdu_end; +} + +static inline struct rx_msdu_start_common * +ath10k_htt_rx_desc_get_msdu_start(struct ath10k_hw_params *hw, struct htt_rx_desc *rxd) +{ + struct htt_rx_desc_old_qca *rx_desc; + + if (hw->rx_desc_ops->rx_desc_get_msdu_start) + return hw->rx_desc_ops->rx_desc_get_msdu_start(rxd); + + rx_desc = container_of(rxd, struct htt_rx_desc_old_qca, base); + return &rx_desc->msdu_start.common; +} + +static inline struct rx_msdu_end_common * +ath10k_htt_rx_desc_get_msdu_end(struct ath10k_hw_params *hw, struct htt_rx_desc *rxd) +{ + struct htt_rx_desc_old_qca *rx_desc; + + if (hw->rx_desc_ops->rx_desc_get_msdu_end) + return hw->rx_desc_ops->rx_desc_get_msdu_end(rxd); + + rx_desc = container_of(rxd, struct htt_rx_desc_old_qca, base); + return &rx_desc->msdu_end.common; +} + +static inline struct rx_ppdu_start * +ath10k_htt_rx_desc_get_ppdu_start(struct ath10k_hw_params *hw, struct htt_rx_desc *rxd) +{ + struct htt_rx_desc_old_qca *rx_desc; + + if (hw->rx_desc_ops->rx_desc_get_ppdu_start) + return hw->rx_desc_ops->rx_desc_get_ppdu_start(rxd); + + rx_desc = container_of(rxd, struct htt_rx_desc_old_qca, base); + return &rx_desc->ppdu_start; +} + +static inline struct rx_ppdu_end_common * +ath10k_htt_rx_desc_get_ppdu_end(struct ath10k_hw_params *hw, struct htt_rx_desc *rxd) +{ + struct htt_rx_desc_old_qca *rx_desc; + + if (hw->rx_desc_ops->rx_desc_get_ppdu_end) + return hw->rx_desc_ops->rx_desc_get_ppdu_end(rxd); + + rx_desc = container_of(rxd, struct htt_rx_desc_old_qca, base); + return &rx_desc->ppdu_end.common; +} + +static inline u8 * +ath10k_htt_rx_desc_get_rx_hdr_status(struct ath10k_hw_params *hw, struct htt_rx_desc *rxd) +{ + struct htt_rx_desc_old_qca *rx_desc; + + if (hw->rx_desc_ops->rx_desc_get_rx_hdr_status) + return hw->rx_desc_ops->rx_desc_get_rx_hdr_status(rxd); + + rx_desc = container_of(rxd, struct htt_rx_desc_old_qca, base); + return rx_desc->rx_hdr_status; +} + +static inline u8 * +ath10k_htt_rx_desc_get_msdu_payload(struct ath10k_hw_params *hw, struct htt_rx_desc *rxd) +{ + struct htt_rx_desc_old_qca *rx_desc; + + if (hw->rx_desc_ops->rx_desc_get_msdu_payload) + return hw->rx_desc_ops->rx_desc_get_msdu_payload(rxd); + + rx_desc = container_of(rxd, struct htt_rx_desc_old_qca, base); + return rx_desc->msdu_payload; +} + #define HTT_RX_DESC_HL_INFO_SEQ_NUM_MASK 0x00000fff #define HTT_RX_DESC_HL_INFO_SEQ_NUM_LSB 0 #define HTT_RX_DESC_HL_INFO_ENCRYPTED_MASK 0x00001000 @@ -2243,7 +2488,14 @@ struct htt_rx_chan_info { * rounded up to a cache line size. */ #define HTT_RX_BUF_SIZE 2048 -#define HTT_RX_MSDU_SIZE (HTT_RX_BUF_SIZE - (int)sizeof(struct htt_rx_desc)) + +/* The HTT_RX_MSDU_SIZE can't be statically computed anymore, + * because it depends on the underlying device rx_desc representation + */ +static inline int ath10k_htt_rx_msdu_size(struct ath10k_hw_params *hw) +{ + return HTT_RX_BUF_SIZE - (int)hw->rx_desc_ops->rx_desc_size; +} /* Refill a bunch of RX buffers for each refill round so that FW/HW can handle * aggregated traffic more nicely. diff --git a/drivers/net/wireless/ath/ath10k/htt_rx.c b/drivers/net/wireless/ath/ath10k/htt_rx.c index adbaeb67eedf..531d8231c427 100644 --- a/drivers/net/wireless/ath/ath10k/htt_rx.c +++ b/drivers/net/wireless/ath/ath10k/htt_rx.c @@ -21,7 +21,10 @@ #define HTT_RX_RING_REFILL_RESCHED_MS 5 -static int ath10k_htt_rx_get_csum_state(struct sk_buff *skb); +/* shortcut to interpret a raw memory buffer as a rx descriptor */ +#define HTT_RX_BUF_TO_RX_DESC(hw, buf) ath10k_htt_rx_desc_from_raw_buffer(hw, buf) + +static int ath10k_htt_rx_get_csum_state(struct ath10k_hw_params *hw, struct sk_buff *skb); static struct sk_buff * ath10k_htt_rx_find_skb_paddr(struct ath10k *ar, u64 paddr) @@ -128,6 +131,7 @@ static void *ath10k_htt_get_vaddr_ring_64(struct ath10k_htt *htt) static int __ath10k_htt_rx_ring_fill_n(struct ath10k_htt *htt, int num) { + struct ath10k_hw_params *hw = &htt->ar->hw_params; struct htt_rx_desc *rx_desc; struct ath10k_skb_rxcb *rxcb; struct sk_buff *skb; @@ -163,8 +167,8 @@ static int __ath10k_htt_rx_ring_fill_n(struct ath10k_htt *htt, int num) skb->data); /* Clear rx_desc attention word before posting to Rx ring */ - rx_desc = (struct htt_rx_desc *)skb->data; - rx_desc->attention.flags = __cpu_to_le32(0); + rx_desc = HTT_RX_BUF_TO_RX_DESC(hw, skb->data); + ath10k_htt_rx_desc_get_attention(hw, rx_desc)->flags = __cpu_to_le32(0); paddr = dma_map_single(htt->ar->dev, skb->data, skb->len + skb_tailroom(skb), @@ -343,9 +347,14 @@ static int ath10k_htt_rx_amsdu_pop(struct ath10k_htt *htt, struct sk_buff_head *amsdu) { struct ath10k *ar = htt->ar; + struct ath10k_hw_params *hw = &ar->hw_params; int msdu_len, msdu_chaining = 0; struct sk_buff *msdu; struct htt_rx_desc *rx_desc; + struct rx_attention *rx_desc_attention; + struct rx_frag_info_common *rx_desc_frag_info_common; + struct rx_msdu_start_common *rx_desc_msdu_start_common; + struct rx_msdu_end_common *rx_desc_msdu_end_common; lockdep_assert_held(&htt->rx_ring.lock); @@ -360,13 +369,17 @@ static int ath10k_htt_rx_amsdu_pop(struct ath10k_htt *htt, __skb_queue_tail(amsdu, msdu); - rx_desc = (struct htt_rx_desc *)msdu->data; + rx_desc = HTT_RX_BUF_TO_RX_DESC(hw, msdu->data); + rx_desc_attention = ath10k_htt_rx_desc_get_attention(hw, rx_desc); + rx_desc_msdu_start_common = ath10k_htt_rx_desc_get_msdu_start(hw, rx_desc); + rx_desc_msdu_end_common = ath10k_htt_rx_desc_get_msdu_end(hw, rx_desc); + rx_desc_frag_info_common = ath10k_htt_rx_desc_get_frag_info(hw, rx_desc); /* FIXME: we must report msdu payload since this is what caller * expects now */ - skb_put(msdu, offsetof(struct htt_rx_desc, msdu_payload)); - skb_pull(msdu, offsetof(struct htt_rx_desc, msdu_payload)); + skb_put(msdu, hw->rx_desc_ops->rx_desc_msdu_payload_offset); + skb_pull(msdu, hw->rx_desc_ops->rx_desc_msdu_payload_offset); /* * Sanity check - confirm the HW is finished filling in the @@ -376,24 +389,24 @@ static int ath10k_htt_rx_amsdu_pop(struct ath10k_htt *htt, * To prevent the case that we handle a stale Rx descriptor, * just assert for now until we have a way to recover. */ - if (!(__le32_to_cpu(rx_desc->attention.flags) + if (!(__le32_to_cpu(rx_desc_attention->flags) & RX_ATTENTION_FLAGS_MSDU_DONE)) { __skb_queue_purge(amsdu); return -EIO; } - msdu_len_invalid = !!(__le32_to_cpu(rx_desc->attention.flags) + msdu_len_invalid = !!(__le32_to_cpu(rx_desc_attention->flags) & (RX_ATTENTION_FLAGS_MPDU_LENGTH_ERR | RX_ATTENTION_FLAGS_MSDU_LENGTH_ERR)); - msdu_len = MS(__le32_to_cpu(rx_desc->msdu_start.common.info0), + msdu_len = MS(__le32_to_cpu(rx_desc_msdu_start_common->info0), RX_MSDU_START_INFO0_MSDU_LENGTH); - msdu_chained = rx_desc->frag_info.ring2_more_count; + msdu_chained = rx_desc_frag_info_common->ring2_more_count; if (msdu_len_invalid) msdu_len = 0; skb_trim(msdu, 0); - skb_put(msdu, min(msdu_len, HTT_RX_MSDU_SIZE)); + skb_put(msdu, min(msdu_len, ath10k_htt_rx_msdu_size(hw))); msdu_len -= msdu->len; /* Note: Chained buffers do not contain rx descriptor */ @@ -411,11 +424,12 @@ static int ath10k_htt_rx_amsdu_pop(struct ath10k_htt *htt, msdu_chaining = 1; } - last_msdu = __le32_to_cpu(rx_desc->msdu_end.common.info0) & + last_msdu = __le32_to_cpu(rx_desc_msdu_end_common->info0) & RX_MSDU_END_INFO0_LAST_MSDU; - trace_ath10k_htt_rx_desc(ar, &rx_desc->attention, - sizeof(*rx_desc) - sizeof(u32)); + /* FIXME: why are we skipping the first part of the rx_desc? */ + trace_ath10k_htt_rx_desc(ar, rx_desc + sizeof(u32), + hw->rx_desc_ops->rx_desc_size - sizeof(u32)); if (last_msdu) break; @@ -480,6 +494,7 @@ static int ath10k_htt_rx_handle_amsdu_mon_32(struct ath10k_htt *htt, struct htt_rx_in_ord_msdu_desc **msdu_desc) { struct ath10k *ar = htt->ar; + struct ath10k_hw_params *hw = &ar->hw_params; u32 paddr; struct sk_buff *frag_buf; struct sk_buff *prev_frag_buf; @@ -488,12 +503,12 @@ static int ath10k_htt_rx_handle_amsdu_mon_32(struct ath10k_htt *htt, struct htt_rx_desc *rxd; int amsdu_len = __le16_to_cpu(ind_desc->msdu_len); - rxd = (void *)msdu->data; - trace_ath10k_htt_rx_desc(ar, rxd, sizeof(*rxd)); + rxd = HTT_RX_BUF_TO_RX_DESC(hw, msdu->data); + trace_ath10k_htt_rx_desc(ar, rxd, hw->rx_desc_ops->rx_desc_size); - skb_put(msdu, sizeof(struct htt_rx_desc)); - skb_pull(msdu, sizeof(struct htt_rx_desc)); - skb_put(msdu, min(amsdu_len, HTT_RX_MSDU_SIZE)); + skb_put(msdu, hw->rx_desc_ops->rx_desc_size); + skb_pull(msdu, hw->rx_desc_ops->rx_desc_size); + skb_put(msdu, min(amsdu_len, ath10k_htt_rx_msdu_size(hw))); amsdu_len -= msdu->len; last_frag = ind_desc->reserved; @@ -556,6 +571,7 @@ ath10k_htt_rx_handle_amsdu_mon_64(struct ath10k_htt *htt, struct htt_rx_in_ord_msdu_desc_ext **msdu_desc) { struct ath10k *ar = htt->ar; + struct ath10k_hw_params *hw = &ar->hw_params; u64 paddr; struct sk_buff *frag_buf; struct sk_buff *prev_frag_buf; @@ -564,12 +580,12 @@ ath10k_htt_rx_handle_amsdu_mon_64(struct ath10k_htt *htt, struct htt_rx_desc *rxd; int amsdu_len = __le16_to_cpu(ind_desc->msdu_len); - rxd = (void *)msdu->data; - trace_ath10k_htt_rx_desc(ar, rxd, sizeof(*rxd)); + rxd = HTT_RX_BUF_TO_RX_DESC(hw, msdu->data); + trace_ath10k_htt_rx_desc(ar, rxd, hw->rx_desc_ops->rx_desc_size); - skb_put(msdu, sizeof(struct htt_rx_desc)); - skb_pull(msdu, sizeof(struct htt_rx_desc)); - skb_put(msdu, min(amsdu_len, HTT_RX_MSDU_SIZE)); + skb_put(msdu, hw->rx_desc_ops->rx_desc_size); + skb_pull(msdu, hw->rx_desc_ops->rx_desc_size); + skb_put(msdu, min(amsdu_len, ath10k_htt_rx_msdu_size(hw))); amsdu_len -= msdu->len; last_frag = ind_desc->reserved; @@ -631,8 +647,10 @@ static int ath10k_htt_rx_pop_paddr32_list(struct ath10k_htt *htt, struct sk_buff_head *list) { struct ath10k *ar = htt->ar; + struct ath10k_hw_params *hw = &ar->hw_params; struct htt_rx_in_ord_msdu_desc *msdu_desc = ev->msdu_descs32; struct htt_rx_desc *rxd; + struct rx_attention *rxd_attention; struct sk_buff *msdu; int msdu_count, ret; bool is_offload; @@ -667,15 +685,16 @@ static int ath10k_htt_rx_pop_paddr32_list(struct ath10k_htt *htt, __skb_queue_tail(list, msdu); if (!is_offload) { - rxd = (void *)msdu->data; + rxd = HTT_RX_BUF_TO_RX_DESC(hw, msdu->data); + rxd_attention = ath10k_htt_rx_desc_get_attention(hw, rxd); - trace_ath10k_htt_rx_desc(ar, rxd, sizeof(*rxd)); + trace_ath10k_htt_rx_desc(ar, rxd, hw->rx_desc_ops->rx_desc_size); - skb_put(msdu, sizeof(*rxd)); - skb_pull(msdu, sizeof(*rxd)); + skb_put(msdu, hw->rx_desc_ops->rx_desc_size); + skb_pull(msdu, hw->rx_desc_ops->rx_desc_size); skb_put(msdu, __le16_to_cpu(msdu_desc->msdu_len)); - if (!(__le32_to_cpu(rxd->attention.flags) & + if (!(__le32_to_cpu(rxd_attention->flags) & RX_ATTENTION_FLAGS_MSDU_DONE)) { ath10k_warn(htt->ar, "tried to pop an incomplete frame, oops!\n"); return -EIO; @@ -693,8 +712,10 @@ static int ath10k_htt_rx_pop_paddr64_list(struct ath10k_htt *htt, struct sk_buff_head *list) { struct ath10k *ar = htt->ar; + struct ath10k_hw_params *hw = &ar->hw_params; struct htt_rx_in_ord_msdu_desc_ext *msdu_desc = ev->msdu_descs64; struct htt_rx_desc *rxd; + struct rx_attention *rxd_attention; struct sk_buff *msdu; int msdu_count, ret; bool is_offload; @@ -728,15 +749,16 @@ static int ath10k_htt_rx_pop_paddr64_list(struct ath10k_htt *htt, __skb_queue_tail(list, msdu); if (!is_offload) { - rxd = (void *)msdu->data; + rxd = HTT_RX_BUF_TO_RX_DESC(hw, msdu->data); + rxd_attention = ath10k_htt_rx_desc_get_attention(hw, rxd); - trace_ath10k_htt_rx_desc(ar, rxd, sizeof(*rxd)); + trace_ath10k_htt_rx_desc(ar, rxd, hw->rx_desc_ops->rx_desc_size); - skb_put(msdu, sizeof(*rxd)); - skb_pull(msdu, sizeof(*rxd)); + skb_put(msdu, hw->rx_desc_ops->rx_desc_size); + skb_pull(msdu, hw->rx_desc_ops->rx_desc_size); skb_put(msdu, __le16_to_cpu(msdu_desc->msdu_len)); - if (!(__le32_to_cpu(rxd->attention.flags) & + if (!(__le32_to_cpu(rxd_attention->flags) & RX_ATTENTION_FLAGS_MSDU_DONE)) { ath10k_warn(htt->ar, "tried to pop an incomplete frame, oops!\n"); return -EIO; @@ -944,6 +966,18 @@ static void ath10k_htt_rx_h_rates(struct ath10k *ar, struct ieee80211_rx_status *status, struct htt_rx_desc *rxd) { + struct ath10k_hw_params *hw = &ar->hw_params; + struct rx_attention *rxd_attention = ath10k_htt_rx_desc_get_attention(hw, rxd); + struct rx_mpdu_start *rxd_mpdu_start = ath10k_htt_rx_desc_get_mpdu_start(hw, rxd); + struct rx_mpdu_end *rxd_mpdu_end = ath10k_htt_rx_desc_get_mpdu_end(hw, rxd); + struct rx_msdu_start_common *rxd_msdu_start_common = + ath10k_htt_rx_desc_get_msdu_start(hw, rxd); + + struct rx_msdu_end_common *rxd_msdu_end_common = + ath10k_htt_rx_desc_get_msdu_end(hw, rxd); + + struct rx_ppdu_start *rxd_ppdu_start = ath10k_htt_rx_desc_get_ppdu_start(hw, rxd); + u8 *rxd_msdu_payload = ath10k_htt_rx_desc_get_msdu_payload(hw, rxd); struct ieee80211_supported_band *sband; u8 cck, rate, bw, sgi, mcs, nss; u8 preamble = 0; @@ -951,9 +985,9 @@ static void ath10k_htt_rx_h_rates(struct ath10k *ar, u32 info1, info2, info3; u32 stbc, nsts_su; - info1 = __le32_to_cpu(rxd->ppdu_start.info1); - info2 = __le32_to_cpu(rxd->ppdu_start.info2); - info3 = __le32_to_cpu(rxd->ppdu_start.info3); + info1 = __le32_to_cpu(rxd_ppdu_start->info1); + info2 = __le32_to_cpu(rxd_ppdu_start->info2); + info3 = __le32_to_cpu(rxd_ppdu_start->info3); preamble = MS(info1, RX_PPDU_START_INFO1_PREAMBLE_TYPE); @@ -1022,24 +1056,24 @@ static void ath10k_htt_rx_h_rates(struct ath10k *ar, if (mcs > 0x09) { ath10k_warn(ar, "invalid MCS received %u\n", mcs); ath10k_warn(ar, "rxd %08x mpdu start %08x %08x msdu start %08x %08x ppdu start %08x %08x %08x %08x %08x\n", - __le32_to_cpu(rxd->attention.flags), - __le32_to_cpu(rxd->mpdu_start.info0), - __le32_to_cpu(rxd->mpdu_start.info1), - __le32_to_cpu(rxd->msdu_start.common.info0), - __le32_to_cpu(rxd->msdu_start.common.info1), - rxd->ppdu_start.info0, - __le32_to_cpu(rxd->ppdu_start.info1), - __le32_to_cpu(rxd->ppdu_start.info2), - __le32_to_cpu(rxd->ppdu_start.info3), - __le32_to_cpu(rxd->ppdu_start.info4)); + __le32_to_cpu(rxd_attention->flags), + __le32_to_cpu(rxd_mpdu_start->info0), + __le32_to_cpu(rxd_mpdu_start->info1), + __le32_to_cpu(rxd_msdu_start_common->info0), + __le32_to_cpu(rxd_msdu_start_common->info1), + rxd_ppdu_start->info0, + __le32_to_cpu(rxd_ppdu_start->info1), + __le32_to_cpu(rxd_ppdu_start->info2), + __le32_to_cpu(rxd_ppdu_start->info3), + __le32_to_cpu(rxd_ppdu_start->info4)); ath10k_warn(ar, "msdu end %08x mpdu end %08x\n", - __le32_to_cpu(rxd->msdu_end.common.info0), - __le32_to_cpu(rxd->mpdu_end.info0)); + __le32_to_cpu(rxd_msdu_end_common->info0), + __le32_to_cpu(rxd_mpdu_end->info0)); ath10k_dbg_dump(ar, ATH10K_DBG_HTT_DUMP, NULL, "rx desc msdu payload: ", - rxd->msdu_payload, 50); + rxd_msdu_payload, 50); } status->rate_idx = mcs; @@ -1059,6 +1093,10 @@ static void ath10k_htt_rx_h_rates(struct ath10k *ar, static struct ieee80211_channel * ath10k_htt_rx_h_peer_channel(struct ath10k *ar, struct htt_rx_desc *rxd) { + struct ath10k_hw_params *hw = &ar->hw_params; + struct rx_attention *rxd_attention = ath10k_htt_rx_desc_get_attention(hw, rxd); + struct rx_msdu_end_common *rxd_msdu_end_common = ath10k_htt_rx_desc_get_msdu_end(hw, rxd); + struct rx_mpdu_start *rxd_mpdu_start = ath10k_htt_rx_desc_get_mpdu_start(hw, rxd); struct ath10k_peer *peer; struct ath10k_vif *arvif; struct cfg80211_chan_def def; @@ -1069,15 +1107,15 @@ ath10k_htt_rx_h_peer_channel(struct ath10k *ar, struct htt_rx_desc *rxd) if (!rxd) return NULL; - if (rxd->attention.flags & + if (rxd_attention->flags & __cpu_to_le32(RX_ATTENTION_FLAGS_PEER_IDX_INVALID)) return NULL; - if (!(rxd->msdu_end.common.info0 & + if (!(rxd_msdu_end_common->info0 & __cpu_to_le32(RX_MSDU_END_INFO0_FIRST_MSDU))) return NULL; - peer_id = MS(__le32_to_cpu(rxd->mpdu_start.info0), + peer_id = MS(__le32_to_cpu(rxd_mpdu_start->info0), RX_MPDU_START_INFO0_PEER_IDX); peer = ath10k_peer_find_by_id(ar, peer_id); @@ -1167,14 +1205,16 @@ static void ath10k_htt_rx_h_signal(struct ath10k *ar, struct ieee80211_rx_status *status, struct htt_rx_desc *rxd) { + struct ath10k_hw_params *hw = &ar->hw_params; + struct rx_ppdu_start *rxd_ppdu_start = ath10k_htt_rx_desc_get_ppdu_start(hw, rxd); int i; for (i = 0; i < IEEE80211_MAX_CHAINS ; i++) { status->chains &= ~BIT(i); - if (rxd->ppdu_start.rssi_chains[i].pri20_mhz != 0x80) { + if (rxd_ppdu_start->rssi_chains[i].pri20_mhz != 0x80) { status->chain_signal[i] = ATH10K_DEFAULT_NOISE_FLOOR + - rxd->ppdu_start.rssi_chains[i].pri20_mhz; + rxd_ppdu_start->rssi_chains[i].pri20_mhz; status->chains |= BIT(i); } @@ -1182,7 +1222,7 @@ static void ath10k_htt_rx_h_signal(struct ath10k *ar, /* FIXME: Get real NF */ status->signal = ATH10K_DEFAULT_NOISE_FLOOR + - rxd->ppdu_start.rssi_comb; + rxd_ppdu_start->rssi_comb; status->flag &= ~RX_FLAG_NO_SIGNAL_VAL; } @@ -1190,13 +1230,15 @@ static void ath10k_htt_rx_h_mactime(struct ath10k *ar, struct ieee80211_rx_status *status, struct htt_rx_desc *rxd) { + struct ath10k_hw_params *hw = &ar->hw_params; + struct rx_ppdu_end_common *rxd_ppdu_end_common = ath10k_htt_rx_desc_get_ppdu_end(hw, rxd); /* FIXME: TSF is known only at the end of PPDU, in the last MPDU. This * means all prior MSDUs in a PPDU are reported to mac80211 without the * TSF. Is it worth holding frames until end of PPDU is known? * * FIXME: Can we get/compute 64bit TSF? */ - status->mactime = __le32_to_cpu(rxd->ppdu_end.common.tsf_timestamp); + status->mactime = __le32_to_cpu(rxd_ppdu_end_common->tsf_timestamp); status->flag |= RX_FLAG_MACTIME_END; } @@ -1206,7 +1248,9 @@ static void ath10k_htt_rx_h_ppdu(struct ath10k *ar, u32 vdev_id) { struct sk_buff *first; + struct ath10k_hw_params *hw = &ar->hw_params; struct htt_rx_desc *rxd; + struct rx_attention *rxd_attention; bool is_first_ppdu; bool is_last_ppdu; @@ -1214,11 +1258,13 @@ static void ath10k_htt_rx_h_ppdu(struct ath10k *ar, return; first = skb_peek(amsdu); - rxd = (void *)first->data - sizeof(*rxd); + rxd = HTT_RX_BUF_TO_RX_DESC(hw, (void *)first->data - hw->rx_desc_ops->rx_desc_size); + + rxd_attention = ath10k_htt_rx_desc_get_attention(hw, rxd); - is_first_ppdu = !!(rxd->attention.flags & + is_first_ppdu = !!(rxd_attention->flags & __cpu_to_le32(RX_ATTENTION_FLAGS_FIRST_MPDU)); - is_last_ppdu = !!(rxd->attention.flags & + is_last_ppdu = !!(rxd_attention->flags & __cpu_to_le32(RX_ATTENTION_FLAGS_LAST_MPDU)); if (is_first_ppdu) { @@ -1357,7 +1403,9 @@ static void ath10k_htt_rx_h_undecap_raw(struct ath10k *ar, const u8 first_hdr[64]) { struct ieee80211_hdr *hdr; + struct ath10k_hw_params *hw = &ar->hw_params; struct htt_rx_desc *rxd; + struct rx_msdu_end_common *rxd_msdu_end_common; size_t hdr_len; size_t crypto_len; bool is_first; @@ -1366,10 +1414,12 @@ static void ath10k_htt_rx_h_undecap_raw(struct ath10k *ar, int bytes_aligned = ar->hw_params.decap_align_bytes; u8 *qos; - rxd = (void *)msdu->data - sizeof(*rxd); - is_first = !!(rxd->msdu_end.common.info0 & + rxd = HTT_RX_BUF_TO_RX_DESC(hw, (void *)msdu->data - hw->rx_desc_ops->rx_desc_size); + + rxd_msdu_end_common = ath10k_htt_rx_desc_get_msdu_end(hw, rxd); + is_first = !!(rxd_msdu_end_common->info0 & __cpu_to_le32(RX_MSDU_END_INFO0_FIRST_MSDU)); - is_last = !!(rxd->msdu_end.common.info0 & + is_last = !!(rxd_msdu_end_common->info0 & __cpu_to_le32(RX_MSDU_END_INFO0_LAST_MSDU)); /* Delivered decapped frame: @@ -1387,7 +1437,7 @@ static void ath10k_htt_rx_h_undecap_raw(struct ath10k *ar, * error packets. If limit exceeds, hw sends all remaining MSDUs as * a single last MSDU with this msdu limit error set. */ - msdu_limit_err = ath10k_rx_desc_msdu_limit_error(&ar->hw_params, rxd); + msdu_limit_err = ath10k_htt_rx_desc_msdu_limit_error(hw, rxd); /* If MSDU limit error happens, then don't warn on, the partial raw MSDU * without first MSDU is expected in that case, and handled later here. @@ -1479,6 +1529,7 @@ static void ath10k_htt_rx_h_undecap_nwifi(struct ath10k *ar, const u8 first_hdr[64], enum htt_rx_mpdu_encrypt_type enctype) { + struct ath10k_hw_params *hw = &ar->hw_params; struct ieee80211_hdr *hdr; struct htt_rx_desc *rxd; size_t hdr_len; @@ -1499,9 +1550,9 @@ static void ath10k_htt_rx_h_undecap_nwifi(struct ath10k *ar, */ /* pull decapped header and copy SA & DA */ - rxd = (void *)msdu->data - sizeof(*rxd); + rxd = HTT_RX_BUF_TO_RX_DESC(hw, (void *)msdu->data - hw->rx_desc_ops->rx_desc_size); - l3_pad_bytes = ath10k_rx_desc_get_l3_pad_bytes(&ar->hw_params, rxd); + l3_pad_bytes = ath10k_htt_rx_desc_get_l3_pad_bytes(&ar->hw_params, rxd); skb_put(msdu, l3_pad_bytes); hdr = (struct ieee80211_hdr *)(msdu->data + l3_pad_bytes); @@ -1537,18 +1588,24 @@ static void *ath10k_htt_rx_h_find_rfc1042(struct ath10k *ar, enum htt_rx_mpdu_encrypt_type enctype) { struct ieee80211_hdr *hdr; + struct ath10k_hw_params *hw = &ar->hw_params; struct htt_rx_desc *rxd; + struct rx_msdu_end_common *rxd_msdu_end_common; + u8 *rxd_rx_hdr_status; size_t hdr_len, crypto_len; void *rfc1042; bool is_first, is_last, is_amsdu; int bytes_aligned = ar->hw_params.decap_align_bytes; - rxd = (void *)msdu->data - sizeof(*rxd); - hdr = (void *)rxd->rx_hdr_status; + rxd = HTT_RX_BUF_TO_RX_DESC(hw, (void *)msdu->data - hw->rx_desc_ops->rx_desc_size); + + rxd_msdu_end_common = ath10k_htt_rx_desc_get_msdu_end(hw, rxd); + rxd_rx_hdr_status = ath10k_htt_rx_desc_get_rx_hdr_status(hw, rxd); + hdr = (void *)rxd_rx_hdr_status; - is_first = !!(rxd->msdu_end.common.info0 & + is_first = !!(rxd_msdu_end_common->info0 & __cpu_to_le32(RX_MSDU_END_INFO0_FIRST_MSDU)); - is_last = !!(rxd->msdu_end.common.info0 & + is_last = !!(rxd_msdu_end_common->info0 & __cpu_to_le32(RX_MSDU_END_INFO0_LAST_MSDU)); is_amsdu = !(is_first && is_last); @@ -1574,6 +1631,7 @@ static void ath10k_htt_rx_h_undecap_eth(struct ath10k *ar, const u8 first_hdr[64], enum htt_rx_mpdu_encrypt_type enctype) { + struct ath10k_hw_params *hw = &ar->hw_params; struct ieee80211_hdr *hdr; struct ethhdr *eth; size_t hdr_len; @@ -1593,8 +1651,9 @@ static void ath10k_htt_rx_h_undecap_eth(struct ath10k *ar, if (WARN_ON_ONCE(!rfc1042)) return; - rxd = (void *)msdu->data - sizeof(*rxd); - l3_pad_bytes = ath10k_rx_desc_get_l3_pad_bytes(&ar->hw_params, rxd); + rxd = HTT_RX_BUF_TO_RX_DESC(hw, (void *)msdu->data - hw->rx_desc_ops->rx_desc_size); + + l3_pad_bytes = ath10k_htt_rx_desc_get_l3_pad_bytes(&ar->hw_params, rxd); skb_put(msdu, l3_pad_bytes); skb_pull(msdu, l3_pad_bytes); @@ -1635,6 +1694,7 @@ static void ath10k_htt_rx_h_undecap_snap(struct ath10k *ar, const u8 first_hdr[64], enum htt_rx_mpdu_encrypt_type enctype) { + struct ath10k_hw_params *hw = &ar->hw_params; struct ieee80211_hdr *hdr; size_t hdr_len; int l3_pad_bytes; @@ -1647,8 +1707,9 @@ static void ath10k_htt_rx_h_undecap_snap(struct ath10k *ar, * [payload] */ - rxd = (void *)msdu->data - sizeof(*rxd); - l3_pad_bytes = ath10k_rx_desc_get_l3_pad_bytes(&ar->hw_params, rxd); + rxd = HTT_RX_BUF_TO_RX_DESC(hw, (void *)msdu->data - hw->rx_desc_ops->rx_desc_size); + + l3_pad_bytes = ath10k_htt_rx_desc_get_l3_pad_bytes(&ar->hw_params, rxd); skb_put(msdu, l3_pad_bytes); skb_pull(msdu, sizeof(struct amsdu_subframe_hdr) + l3_pad_bytes); @@ -1673,7 +1734,9 @@ static void ath10k_htt_rx_h_undecap(struct ath10k *ar, enum htt_rx_mpdu_encrypt_type enctype, bool is_decrypted) { + struct ath10k_hw_params *hw = &ar->hw_params; struct htt_rx_desc *rxd; + struct rx_msdu_start_common *rxd_msdu_start_common; enum rx_msdu_decap_format decap; /* First msdu's decapped header: @@ -1687,8 +1750,10 @@ static void ath10k_htt_rx_h_undecap(struct ath10k *ar, * [rfc1042/llc] */ - rxd = (void *)msdu->data - sizeof(*rxd); - decap = MS(__le32_to_cpu(rxd->msdu_start.common.info1), + rxd = HTT_RX_BUF_TO_RX_DESC(hw, (void *)msdu->data - hw->rx_desc_ops->rx_desc_size); + + rxd_msdu_start_common = ath10k_htt_rx_desc_get_msdu_start(hw, rxd); + decap = MS(__le32_to_cpu(rxd_msdu_start_common->info1), RX_MSDU_START_INFO1_DECAP_FORMAT); switch (decap) { @@ -1710,17 +1775,22 @@ static void ath10k_htt_rx_h_undecap(struct ath10k *ar, } } -static int ath10k_htt_rx_get_csum_state(struct sk_buff *skb) +static int ath10k_htt_rx_get_csum_state(struct ath10k_hw_params *hw, struct sk_buff *skb) { struct htt_rx_desc *rxd; + struct rx_attention *rxd_attention; + struct rx_msdu_start_common *rxd_msdu_start_common; u32 flags, info; bool is_ip4, is_ip6; bool is_tcp, is_udp; bool ip_csum_ok, tcpudp_csum_ok; - rxd = (void *)skb->data - sizeof(*rxd); - flags = __le32_to_cpu(rxd->attention.flags); - info = __le32_to_cpu(rxd->msdu_start.common.info1); + rxd = HTT_RX_BUF_TO_RX_DESC(hw, (void *)skb->data - hw->rx_desc_ops->rx_desc_size); + + rxd_attention = ath10k_htt_rx_desc_get_attention(hw, rxd); + rxd_msdu_start_common = ath10k_htt_rx_desc_get_msdu_start(hw, rxd); + flags = __le32_to_cpu(rxd_attention->flags); + info = __le32_to_cpu(rxd_msdu_start_common->info1); is_ip4 = !!(info & RX_MSDU_START_INFO1_IPV4_PROTO); is_ip6 = !!(info & RX_MSDU_START_INFO1_IPV6_PROTO); @@ -1741,9 +1811,9 @@ static int ath10k_htt_rx_get_csum_state(struct sk_buff *skb) return CHECKSUM_UNNECESSARY; } -static void ath10k_htt_rx_h_csum_offload(struct sk_buff *msdu) +static void ath10k_htt_rx_h_csum_offload(struct ath10k_hw_params *hw, struct sk_buff *msdu) { - msdu->ip_summed = ath10k_htt_rx_get_csum_state(msdu); + msdu->ip_summed = ath10k_htt_rx_get_csum_state(hw, msdu); } static u64 ath10k_htt_rx_h_get_pn(struct ath10k *ar, struct sk_buff *skb, @@ -1835,7 +1905,11 @@ static void ath10k_htt_rx_h_mpdu(struct ath10k *ar, struct sk_buff *first; struct sk_buff *last; struct sk_buff *msdu, *temp; + struct ath10k_hw_params *hw = &ar->hw_params; struct htt_rx_desc *rxd; + struct rx_attention *rxd_attention; + struct rx_mpdu_start *rxd_mpdu_start; + struct ieee80211_hdr *hdr; enum htt_rx_mpdu_encrypt_type enctype; u8 first_hdr[64]; @@ -1853,18 +1927,21 @@ static void ath10k_htt_rx_h_mpdu(struct ath10k *ar, return; first = skb_peek(amsdu); - rxd = (void *)first->data - sizeof(*rxd); + rxd = HTT_RX_BUF_TO_RX_DESC(hw, (void *)first->data - hw->rx_desc_ops->rx_desc_size); + + rxd_attention = ath10k_htt_rx_desc_get_attention(hw, rxd); + rxd_mpdu_start = ath10k_htt_rx_desc_get_mpdu_start(hw, rxd); - is_mgmt = !!(rxd->attention.flags & + is_mgmt = !!(rxd_attention->flags & __cpu_to_le32(RX_ATTENTION_FLAGS_MGMT_TYPE)); - enctype = MS(__le32_to_cpu(rxd->mpdu_start.info0), + enctype = MS(__le32_to_cpu(rxd_mpdu_start->info0), RX_MPDU_START_INFO0_ENCRYPT_TYPE); /* First MSDU's Rx descriptor in an A-MSDU contains full 802.11 * decapped header. It'll be used for undecapping of each MSDU. */ - hdr = (void *)rxd->rx_hdr_status; + hdr = (void *)ath10k_htt_rx_desc_get_rx_hdr_status(hw, rxd); memcpy(first_hdr, hdr, RX_HTT_HDR_STATUS_LEN); if (rx_hdr) @@ -1882,8 +1959,10 @@ static void ath10k_htt_rx_h_mpdu(struct ath10k *ar, /* Some attention flags are valid only in the last MSDU. */ last = skb_peek_tail(amsdu); - rxd = (void *)last->data - sizeof(*rxd); - attention = __le32_to_cpu(rxd->attention.flags); + rxd = HTT_RX_BUF_TO_RX_DESC(hw, (void *)last->data - hw->rx_desc_ops->rx_desc_size); + + rxd_attention = ath10k_htt_rx_desc_get_attention(hw, rxd); + attention = __le32_to_cpu(rxd_attention->flags); has_fcs_err = !!(attention & RX_ATTENTION_FLAGS_FCS_ERR); has_crypto_err = !!(attention & RX_ATTENTION_FLAGS_DECRYPT_ERR); @@ -1971,7 +2050,7 @@ static void ath10k_htt_rx_h_mpdu(struct ath10k *ar, continue; } - ath10k_htt_rx_h_csum_offload(msdu); + ath10k_htt_rx_h_csum_offload(&ar->hw_params, msdu); if (frag && !fill_crypt_header && enctype == HTT_RX_MPDU_ENCRYPT_TKIP_WPA) @@ -2083,12 +2162,18 @@ static void ath10k_htt_rx_h_unchain(struct ath10k *ar, unsigned long *unchain_cnt) { struct sk_buff *first; + struct ath10k_hw_params *hw = &ar->hw_params; struct htt_rx_desc *rxd; + struct rx_msdu_start_common *rxd_msdu_start_common; + struct rx_frag_info_common *rxd_frag_info; enum rx_msdu_decap_format decap; first = skb_peek(amsdu); - rxd = (void *)first->data - sizeof(*rxd); - decap = MS(__le32_to_cpu(rxd->msdu_start.common.info1), + rxd = HTT_RX_BUF_TO_RX_DESC(hw, (void *)first->data - hw->rx_desc_ops->rx_desc_size); + + rxd_msdu_start_common = ath10k_htt_rx_desc_get_msdu_start(hw, rxd); + rxd_frag_info = ath10k_htt_rx_desc_get_frag_info(hw, rxd); + decap = MS(__le32_to_cpu(rxd_msdu_start_common->info1), RX_MSDU_START_INFO1_DECAP_FORMAT); /* FIXME: Current unchaining logic can only handle simple case of raw @@ -2097,7 +2182,7 @@ static void ath10k_htt_rx_h_unchain(struct ath10k *ar, * try re-constructing such frames - it'll be pretty much garbage. */ if (decap != RX_MSDU_DECAP_RAW || - skb_queue_len(amsdu) != 1 + rxd->frag_info.ring2_more_count) { + skb_queue_len(amsdu) != 1 + rxd_frag_info->ring2_more_count) { *drop_cnt += skb_queue_len(amsdu); __skb_queue_purge(amsdu); return; @@ -2112,7 +2197,10 @@ static bool ath10k_htt_rx_validate_amsdu(struct ath10k *ar, u8 *subframe_hdr; struct sk_buff *first; bool is_first, is_last; + struct ath10k_hw_params *hw = &ar->hw_params; struct htt_rx_desc *rxd; + struct rx_msdu_end_common *rxd_msdu_end_common; + struct rx_mpdu_start *rxd_mpdu_start; struct ieee80211_hdr *hdr; size_t hdr_len, crypto_len; enum htt_rx_mpdu_encrypt_type enctype; @@ -2120,12 +2208,15 @@ static bool ath10k_htt_rx_validate_amsdu(struct ath10k *ar, first = skb_peek(amsdu); - rxd = (void *)first->data - sizeof(*rxd); - hdr = (void *)rxd->rx_hdr_status; + rxd = HTT_RX_BUF_TO_RX_DESC(hw, (void *)first->data - hw->rx_desc_ops->rx_desc_size); - is_first = !!(rxd->msdu_end.common.info0 & + rxd_msdu_end_common = ath10k_htt_rx_desc_get_msdu_end(hw, rxd); + rxd_mpdu_start = ath10k_htt_rx_desc_get_mpdu_start(hw, rxd); + hdr = (void *)ath10k_htt_rx_desc_get_rx_hdr_status(hw, rxd); + + is_first = !!(rxd_msdu_end_common->info0 & __cpu_to_le32(RX_MSDU_END_INFO0_FIRST_MSDU)); - is_last = !!(rxd->msdu_end.common.info0 & + is_last = !!(rxd_msdu_end_common->info0 & __cpu_to_le32(RX_MSDU_END_INFO0_LAST_MSDU)); /* Return in case of non-aggregated msdu */ @@ -2136,7 +2227,7 @@ static bool ath10k_htt_rx_validate_amsdu(struct ath10k *ar, if (!is_first) return false; - enctype = MS(__le32_to_cpu(rxd->mpdu_start.info0), + enctype = MS(__le32_to_cpu(rxd_mpdu_start->info0), RX_MPDU_START_INFO0_ENCRYPT_TYPE); hdr_len = ieee80211_hdrlen(hdr->frame_control); @@ -3028,11 +3119,13 @@ static void ath10k_htt_rx_delba(struct ath10k *ar, struct htt_resp *resp) spin_unlock_bh(&ar->data_lock); } -static int ath10k_htt_rx_extract_amsdu(struct sk_buff_head *list, +static int ath10k_htt_rx_extract_amsdu(struct ath10k_hw_params *hw, + struct sk_buff_head *list, struct sk_buff_head *amsdu) { struct sk_buff *msdu; struct htt_rx_desc *rxd; + struct rx_msdu_end_common *rxd_msdu_end_common; if (skb_queue_empty(list)) return -ENOBUFS; @@ -3043,15 +3136,19 @@ static int ath10k_htt_rx_extract_amsdu(struct sk_buff_head *list, while ((msdu = __skb_dequeue(list))) { __skb_queue_tail(amsdu, msdu); - rxd = (void *)msdu->data - sizeof(*rxd); - if (rxd->msdu_end.common.info0 & + rxd = HTT_RX_BUF_TO_RX_DESC(hw, (void *)msdu->data - hw->rx_desc_ops->rx_desc_size); + + rxd_msdu_end_common = ath10k_htt_rx_desc_get_msdu_end(hw, rxd); + if (rxd_msdu_end_common->info0 & __cpu_to_le32(RX_MSDU_END_INFO0_LAST_MSDU)) break; } msdu = skb_peek_tail(amsdu); - rxd = (void *)msdu->data - sizeof(*rxd); - if (!(rxd->msdu_end.common.info0 & + rxd = HTT_RX_BUF_TO_RX_DESC(hw, (void *)msdu->data - hw->rx_desc_ops->rx_desc_size); + + rxd_msdu_end_common = ath10k_htt_rx_desc_get_msdu_end(hw, rxd); + if (!(rxd_msdu_end_common->info0 & __cpu_to_le32(RX_MSDU_END_INFO0_LAST_MSDU))) { skb_queue_splice_init(amsdu, list); return -EAGAIN; @@ -3194,7 +3291,7 @@ static int ath10k_htt_rx_in_ord_ind(struct ath10k *ar, struct sk_buff *skb) while (!skb_queue_empty(&list)) { __skb_queue_head_init(&amsdu); - ret = ath10k_htt_rx_extract_amsdu(&list, &amsdu); + ret = ath10k_htt_rx_extract_amsdu(&ar->hw_params, &list, &amsdu); switch (ret) { case 0: /* Note: The in-order indication may report interleaved diff --git a/drivers/net/wireless/ath/ath10k/htt_tx.c b/drivers/net/wireless/ath/ath10k/htt_tx.c index d6b8bdcef416..4047400ee4da 100644 --- a/drivers/net/wireless/ath/ath10k/htt_tx.c +++ b/drivers/net/wireless/ath/ath10k/htt_tx.c @@ -793,47 +793,26 @@ static int ath10k_htt_send_frag_desc_bank_cfg_64(struct ath10k_htt *htt) return 0; } -static void ath10k_htt_fill_rx_desc_offset_32(void *rx_ring) +static void ath10k_htt_fill_rx_desc_offset_32(struct ath10k_hw_params *hw, void *rx_ring) { struct htt_rx_ring_setup_ring32 *ring = (struct htt_rx_ring_setup_ring32 *)rx_ring; -#define desc_offset(x) (offsetof(struct htt_rx_desc, x) / 4) - ring->mac80211_hdr_offset = __cpu_to_le16(desc_offset(rx_hdr_status)); - ring->msdu_payload_offset = __cpu_to_le16(desc_offset(msdu_payload)); - ring->ppdu_start_offset = __cpu_to_le16(desc_offset(ppdu_start)); - ring->ppdu_end_offset = __cpu_to_le16(desc_offset(ppdu_end)); - ring->mpdu_start_offset = __cpu_to_le16(desc_offset(mpdu_start)); - ring->mpdu_end_offset = __cpu_to_le16(desc_offset(mpdu_end)); - ring->msdu_start_offset = __cpu_to_le16(desc_offset(msdu_start)); - ring->msdu_end_offset = __cpu_to_le16(desc_offset(msdu_end)); - ring->rx_attention_offset = __cpu_to_le16(desc_offset(attention)); - ring->frag_info_offset = __cpu_to_le16(desc_offset(frag_info)); -#undef desc_offset + ath10k_htt_rx_desc_get_offsets(hw, &ring->offsets); } -static void ath10k_htt_fill_rx_desc_offset_64(void *rx_ring) +static void ath10k_htt_fill_rx_desc_offset_64(struct ath10k_hw_params *hw, void *rx_ring) { struct htt_rx_ring_setup_ring64 *ring = (struct htt_rx_ring_setup_ring64 *)rx_ring; -#define desc_offset(x) (offsetof(struct htt_rx_desc, x) / 4) - ring->mac80211_hdr_offset = __cpu_to_le16(desc_offset(rx_hdr_status)); - ring->msdu_payload_offset = __cpu_to_le16(desc_offset(msdu_payload)); - ring->ppdu_start_offset = __cpu_to_le16(desc_offset(ppdu_start)); - ring->ppdu_end_offset = __cpu_to_le16(desc_offset(ppdu_end)); - ring->mpdu_start_offset = __cpu_to_le16(desc_offset(mpdu_start)); - ring->mpdu_end_offset = __cpu_to_le16(desc_offset(mpdu_end)); - ring->msdu_start_offset = __cpu_to_le16(desc_offset(msdu_start)); - ring->msdu_end_offset = __cpu_to_le16(desc_offset(msdu_end)); - ring->rx_attention_offset = __cpu_to_le16(desc_offset(attention)); - ring->frag_info_offset = __cpu_to_le16(desc_offset(frag_info)); -#undef desc_offset + ath10k_htt_rx_desc_get_offsets(hw, &ring->offsets); } static int ath10k_htt_send_rx_ring_cfg_32(struct ath10k_htt *htt) { struct ath10k *ar = htt->ar; + struct ath10k_hw_params *hw = &ar->hw_params; struct sk_buff *skb; struct htt_cmd *cmd; struct htt_rx_ring_setup_ring32 *ring; @@ -893,7 +872,7 @@ static int ath10k_htt_send_rx_ring_cfg_32(struct ath10k_htt *htt) ring->flags = __cpu_to_le16(flags); ring->fw_idx_init_val = __cpu_to_le16(fw_idx); - ath10k_htt_fill_rx_desc_offset_32(ring); + ath10k_htt_fill_rx_desc_offset_32(hw, ring); ret = ath10k_htc_send(&htt->ar->htc, htt->eid, skb); if (ret) { dev_kfree_skb_any(skb); @@ -906,6 +885,7 @@ static int ath10k_htt_send_rx_ring_cfg_32(struct ath10k_htt *htt) static int ath10k_htt_send_rx_ring_cfg_64(struct ath10k_htt *htt) { struct ath10k *ar = htt->ar; + struct ath10k_hw_params *hw = &ar->hw_params; struct sk_buff *skb; struct htt_cmd *cmd; struct htt_rx_ring_setup_ring64 *ring; @@ -962,7 +942,7 @@ static int ath10k_htt_send_rx_ring_cfg_64(struct ath10k_htt *htt) ring->flags = __cpu_to_le16(flags); ring->fw_idx_init_val = __cpu_to_le16(fw_idx); - ath10k_htt_fill_rx_desc_offset_64(ring); + ath10k_htt_fill_rx_desc_offset_64(hw, ring); ret = ath10k_htc_send(&htt->ar->htc, htt->eid, skb); if (ret) { dev_kfree_skb_any(skb); diff --git a/drivers/net/wireless/ath/ath10k/hw.c b/drivers/net/wireless/ath/ath10k/hw.c index 57c58af64a57..e52e41a70321 100644 --- a/drivers/net/wireless/ath/ath10k/hw.c +++ b/drivers/net/wireless/ath/ath10k/hw.c @@ -11,6 +11,7 @@ #include "hif.h" #include "wmi-ops.h" #include "bmi.h" +#include "rx_desc.h" const struct ath10k_hw_regs qca988x_regs = { .rtc_soc_base_address = 0x00004000, @@ -1134,21 +1135,7 @@ const struct ath10k_hw_ops qca988x_ops = { .is_rssi_enable = ath10k_htt_tx_rssi_enable, }; -static int ath10k_qca99x0_rx_desc_get_l3_pad_bytes(struct htt_rx_desc *rxd) -{ - return MS(__le32_to_cpu(rxd->msdu_end.qca99x0.info1), - RX_MSDU_END_INFO1_L3_HDR_PAD); -} - -static bool ath10k_qca99x0_rx_desc_msdu_limit_error(struct htt_rx_desc *rxd) -{ - return !!(rxd->msdu_end.common.info0 & - __cpu_to_le32(RX_MSDU_END_INFO0_MSDU_LIMIT_ERR)); -} - const struct ath10k_hw_ops qca99x0_ops = { - .rx_desc_get_l3_pad_bytes = ath10k_qca99x0_rx_desc_get_l3_pad_bytes, - .rx_desc_get_msdu_limit_error = ath10k_qca99x0_rx_desc_msdu_limit_error, .is_rssi_enable = ath10k_htt_tx_rssi_enable, }; diff --git a/drivers/net/wireless/ath/ath10k/hw.h b/drivers/net/wireless/ath/ath10k/hw.h index 6b03c7787e36..10487f17d9c0 100644 --- a/drivers/net/wireless/ath/ath10k/hw.h +++ b/drivers/net/wireless/ath/ath10k/hw.h @@ -510,6 +510,8 @@ struct ath10k_hw_clk_params { u32 outdiv; }; +struct htt_rx_desc_ops; + struct ath10k_hw_params { u32 id; u16 dev_id; @@ -562,6 +564,9 @@ struct ath10k_hw_params { */ bool sw_decrypt_mcast_mgmt; + /* Rx descriptor abstraction */ + const struct ath10k_htt_rx_desc_ops *rx_desc_ops; + const struct ath10k_hw_ops *hw_ops; /* Number of bytes used for alignment in rx_hdr_status of rx desc. */ @@ -627,16 +632,14 @@ struct ath10k_hw_params { bool dynamic_sar_support; }; -struct htt_rx_desc; struct htt_resp; struct htt_data_tx_completion_ext; +struct htt_rx_ring_rx_desc_offsets; /* Defines needed for Rx descriptor abstraction */ struct ath10k_hw_ops { - int (*rx_desc_get_l3_pad_bytes)(struct htt_rx_desc *rxd); void (*set_coverage_class)(struct ath10k *ar, s16 value); int (*enable_pll_clk)(struct ath10k *ar); - bool (*rx_desc_get_msdu_limit_error)(struct htt_rx_desc *rxd); int (*tx_data_rssi_pad_bytes)(struct htt_resp *htt); int (*is_rssi_enable)(struct htt_resp *resp); }; @@ -649,24 +652,6 @@ extern const struct ath10k_hw_ops wcn3990_ops; extern const struct ath10k_hw_clk_params qca6174_clk[]; -static inline int -ath10k_rx_desc_get_l3_pad_bytes(struct ath10k_hw_params *hw, - struct htt_rx_desc *rxd) -{ - if (hw->hw_ops->rx_desc_get_l3_pad_bytes) - return hw->hw_ops->rx_desc_get_l3_pad_bytes(rxd); - return 0; -} - -static inline bool -ath10k_rx_desc_msdu_limit_error(struct ath10k_hw_params *hw, - struct htt_rx_desc *rxd) -{ - if (hw->hw_ops->rx_desc_get_msdu_limit_error) - return hw->hw_ops->rx_desc_get_msdu_limit_error(rxd); - return false; -} - static inline int ath10k_tx_data_rssi_get_pad_bytes(struct ath10k_hw_params *hw, struct htt_resp *htt) diff --git a/drivers/net/wireless/ath/ath10k/rx_desc.h b/drivers/net/wireless/ath/ath10k/rx_desc.h index 705b6295e466..dfa9e0bfe38c 100644 --- a/drivers/net/wireless/ath/ath10k/rx_desc.h +++ b/drivers/net/wireless/ath/ath10k/rx_desc.h @@ -196,17 +196,31 @@ struct rx_attention { * descriptor. */ -struct rx_frag_info { +struct rx_frag_info_common { u8 ring0_more_count; u8 ring1_more_count; u8 ring2_more_count; u8 ring3_more_count; +} __packed; + +struct rx_frag_info_wcn3990 { u8 ring4_more_count; u8 ring5_more_count; u8 ring6_more_count; u8 ring7_more_count; } __packed; +struct rx_frag_info { + struct rx_frag_info_common common; + union { + struct rx_frag_info_wcn3990 wcn3990; + } __packed; +} __packed; + +struct rx_frag_info_old_qca { + struct rx_frag_info_common common; +} __packed; + /* * ring0_more_count * Indicates the number of more buffers associated with RX DMA @@ -474,11 +488,17 @@ struct rx_msdu_start_wcn3990 { struct rx_msdu_start { struct rx_msdu_start_common common; union { - struct rx_msdu_start_qca99x0 qca99x0; struct rx_msdu_start_wcn3990 wcn3990; } __packed; } __packed; +struct rx_msdu_start_old_qca { + struct rx_msdu_start_common common; + union { + struct rx_msdu_start_qca99x0 qca99x0; + } __packed; +} __packed; + /* * msdu_length * MSDU length in bytes after decapsulation. This field is @@ -612,11 +632,17 @@ struct rx_msdu_end_wcn3990 { struct rx_msdu_end { struct rx_msdu_end_common common; union { - struct rx_msdu_end_qca99x0 qca99x0; struct rx_msdu_end_wcn3990 wcn3990; } __packed; } __packed; +struct rx_msdu_end_old_qca { + struct rx_msdu_end_common common; + union { + struct rx_msdu_end_qca99x0 qca99x0; + } __packed; +} __packed; + /* *ip_hdr_chksum * This can include the IP header checksum or the pseudo header @@ -1134,13 +1160,19 @@ struct rx_ppdu_end_wcn3990 { } __packed; struct rx_ppdu_end { + struct rx_ppdu_end_common common; + union { + struct rx_ppdu_end_wcn3990 wcn3990; + } __packed; +} __packed; + +struct rx_ppdu_end_old_qca { struct rx_ppdu_end_common common; union { struct rx_ppdu_end_qca988x qca988x; struct rx_ppdu_end_qca6174 qca6174; struct rx_ppdu_end_qca99x0 qca99x0; struct rx_ppdu_end_qca9984 qca9984; - struct rx_ppdu_end_wcn3990 wcn3990; } __packed; } __packed;

ath10k: abstract htt_rx_desc structure

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