--- /dev/null
+#ifndef B43_XMIT_H_
+#define B43_XMIT_H_
+
+#include "main.h"
+#include <net/mac80211.h>
+
+
+#define _b43_declare_plcp_hdr(size) \
+ struct b43_plcp_hdr##size { \
+ union { \
+ __le32 data; \
+ __u8 raw[size]; \
+ } __packed; \
+ } __packed
+
+/* struct b43_plcp_hdr4 */
+_b43_declare_plcp_hdr(4);
+/* struct b43_plcp_hdr6 */
+_b43_declare_plcp_hdr(6);
+
+#undef _b43_declare_plcp_hdr
+
+/* TX header for v4 firmware */
+struct b43_txhdr {
+ __le32 mac_ctl; /* MAC TX control */
+ __le16 mac_frame_ctl; /* Copy of the FrameControl field */
+ __le16 tx_fes_time_norm; /* TX FES Time Normal */
+ __le16 phy_ctl; /* PHY TX control */
+ __le16 phy_ctl1; /* PHY TX control word 1 */
+ __le16 phy_ctl1_fb; /* PHY TX control word 1 for fallback rates */
+ __le16 phy_ctl1_rts; /* PHY TX control word 1 RTS */
+ __le16 phy_ctl1_rts_fb; /* PHY TX control word 1 RTS for fallback rates */
+ __u8 phy_rate; /* PHY rate */
+ __u8 phy_rate_rts; /* PHY rate for RTS/CTS */
+ __u8 extra_ft; /* Extra Frame Types */
+ __u8 chan_radio_code; /* Channel Radio Code */
+ __u8 iv[16]; /* Encryption IV */
+ __u8 tx_receiver[6]; /* TX Frame Receiver address */
+ __le16 tx_fes_time_fb; /* TX FES Time Fallback */
+ struct b43_plcp_hdr6 rts_plcp_fb; /* RTS fallback PLCP header */
+ __le16 rts_dur_fb; /* RTS fallback duration */
+ struct b43_plcp_hdr6 plcp_fb; /* Fallback PLCP header */
+ __le16 dur_fb; /* Fallback duration */
+ __le16 mimo_modelen; /* MIMO mode length */
+ __le16 mimo_ratelen_fb; /* MIMO fallback rate length */
+ __le32 timeout; /* Timeout */
+
+ union {
+ /* Tested with 598.314, 644.1001 and 666.2 */
+ struct {
+ __le16 mimo_antenna; /* MIMO antenna select */
+ __le16 preload_size; /* Preload size */
+ PAD_BYTES(2);
+ __le16 cookie; /* TX frame cookie */
+ __le16 tx_status; /* TX status */
+ __le16 max_n_mpdus;
+ __le16 max_a_bytes_mrt;
+ __le16 max_a_bytes_fbr;
+ __le16 min_m_bytes;
+ struct b43_plcp_hdr6 rts_plcp; /* RTS PLCP header */
+ __u8 rts_frame[16]; /* The RTS frame (if used) */
+ PAD_BYTES(2);
+ struct b43_plcp_hdr6 plcp; /* Main PLCP header */
+ } format_598 __packed;
+
+ /* Tested with 410.2160, 478.104 and 508.* */
+ struct {
+ __le16 mimo_antenna; /* MIMO antenna select */
+ __le16 preload_size; /* Preload size */
+ PAD_BYTES(2);
+ __le16 cookie; /* TX frame cookie */
+ __le16 tx_status; /* TX status */
+ struct b43_plcp_hdr6 rts_plcp; /* RTS PLCP header */
+ __u8 rts_frame[16]; /* The RTS frame (if used) */
+ PAD_BYTES(2);
+ struct b43_plcp_hdr6 plcp; /* Main PLCP header */
+ } format_410 __packed;
+
+ /* Tested with 351.126 */
+ struct {
+ PAD_BYTES(2);
+ __le16 cookie; /* TX frame cookie */
+ __le16 tx_status; /* TX status */
+ struct b43_plcp_hdr6 rts_plcp; /* RTS PLCP header */
+ __u8 rts_frame[16]; /* The RTS frame (if used) */
+ PAD_BYTES(2);
+ struct b43_plcp_hdr6 plcp; /* Main PLCP header */
+ } format_351 __packed;
+
+ } __packed;
+} __packed;
+
+struct b43_tx_legacy_rate_phy_ctl_entry {
+ u8 bitrate;
+ u16 coding_rate;
+ u16 modulation;
+};
+
+/* MAC TX control */
+#define B43_TXH_MAC_RTS_FB_SHORTPRMBL 0x80000000 /* RTS fallback preamble */
+#define B43_TXH_MAC_RTS_SHORTPRMBL 0x40000000 /* RTS main rate preamble */
+#define B43_TXH_MAC_FB_SHORTPRMBL 0x20000000 /* Main fallback preamble */
+#define B43_TXH_MAC_USEFBR 0x10000000 /* Use fallback rate for this AMPDU */
+#define B43_TXH_MAC_KEYIDX 0x0FF00000 /* Security key index */
+#define B43_TXH_MAC_KEYIDX_SHIFT 20
+#define B43_TXH_MAC_ALT_TXPWR 0x00080000 /* Use alternate txpwr defined at loc. M_ALT_TXPWR_IDX */
+#define B43_TXH_MAC_KEYALG 0x00070000 /* Security key algorithm */
+#define B43_TXH_MAC_KEYALG_SHIFT 16
+#define B43_TXH_MAC_AMIC 0x00008000 /* AMIC */
+#define B43_TXH_MAC_RIFS 0x00004000 /* Use RIFS */
+#define B43_TXH_MAC_LIFETIME 0x00002000 /* Lifetime */
+#define B43_TXH_MAC_FRAMEBURST 0x00001000 /* Frameburst */
+#define B43_TXH_MAC_SENDCTS 0x00000800 /* Send CTS-to-self */
+#define B43_TXH_MAC_AMPDU 0x00000600 /* AMPDU status */
+#define B43_TXH_MAC_AMPDU_MPDU 0x00000000 /* Regular MPDU, not an AMPDU */
+#define B43_TXH_MAC_AMPDU_FIRST 0x00000200 /* First MPDU or AMPDU */
+#define B43_TXH_MAC_AMPDU_INTER 0x00000400 /* Intermediate MPDU or AMPDU */
+#define B43_TXH_MAC_AMPDU_LAST 0x00000600 /* Last (or only) MPDU of AMPDU */
+#define B43_TXH_MAC_40MHZ 0x00000100 /* Use 40 MHz bandwidth */
+#define B43_TXH_MAC_5GHZ 0x00000080 /* 5GHz band */
+#define B43_TXH_MAC_DFCS 0x00000040 /* DFCS */
+#define B43_TXH_MAC_IGNPMQ 0x00000020 /* Ignore PMQ */
+#define B43_TXH_MAC_HWSEQ 0x00000010 /* Use Hardware Sequence Number */
+#define B43_TXH_MAC_STMSDU 0x00000008 /* Start MSDU */
+#define B43_TXH_MAC_SENDRTS 0x00000004 /* Send RTS */
+#define B43_TXH_MAC_LONGFRAME 0x00000002 /* Long frame */
+#define B43_TXH_MAC_ACK 0x00000001 /* Immediate ACK */
+
+/* Extra Frame Types */
+#define B43_TXH_EFT_FB 0x03 /* Data frame fallback encoding */
+#define B43_TXH_EFT_FB_CCK 0x00 /* CCK */
+#define B43_TXH_EFT_FB_OFDM 0x01 /* OFDM */
+#define B43_TXH_EFT_FB_HT 0x02 /* HT */
+#define B43_TXH_EFT_FB_VHT 0x03 /* VHT */
+#define B43_TXH_EFT_RTS 0x0C /* RTS/CTS encoding */
+#define B43_TXH_EFT_RTS_CCK 0x00 /* CCK */
+#define B43_TXH_EFT_RTS_OFDM 0x04 /* OFDM */
+#define B43_TXH_EFT_RTS_HT 0x08 /* HT */
+#define B43_TXH_EFT_RTS_VHT 0x0C /* VHT */
+#define B43_TXH_EFT_RTSFB 0x30 /* RTS/CTS fallback encoding */
+#define B43_TXH_EFT_RTSFB_CCK 0x00 /* CCK */
+#define B43_TXH_EFT_RTSFB_OFDM 0x10 /* OFDM */
+#define B43_TXH_EFT_RTSFB_HT 0x20 /* HT */
+#define B43_TXH_EFT_RTSFB_VHT 0x30 /* VHT */
+
+/* PHY TX control word */
+#define B43_TXH_PHY_ENC 0x0003 /* Data frame encoding */
+#define B43_TXH_PHY_ENC_CCK 0x0000 /* CCK */
+#define B43_TXH_PHY_ENC_OFDM 0x0001 /* OFDM */
+#define B43_TXH_PHY_ENC_HT 0x0002 /* HT */
+#define B43_TXH_PHY_ENC_VHT 0x0003 /* VHT */
+#define B43_TXH_PHY_SHORTPRMBL 0x0010 /* Use short preamble */
+#define B43_TXH_PHY_ANT 0x03C0 /* Antenna selection */
+#define B43_TXH_PHY_ANT0 0x0000 /* Use antenna 0 */
+#define B43_TXH_PHY_ANT1 0x0040 /* Use antenna 1 */
+#define B43_TXH_PHY_ANT01AUTO 0x00C0 /* Use antenna 0/1 auto */
+#define B43_TXH_PHY_ANT2 0x0100 /* Use antenna 2 */
+#define B43_TXH_PHY_ANT3 0x0200 /* Use antenna 3 */
+#define B43_TXH_PHY_TXPWR 0xFC00 /* TX power */
+#define B43_TXH_PHY_TXPWR_SHIFT 10
+
+/* PHY TX control word 1 */
+#define B43_TXH_PHY1_BW 0x0007 /* Bandwidth */
+#define B43_TXH_PHY1_BW_10 0x0000 /* 10 MHz */
+#define B43_TXH_PHY1_BW_10U 0x0001 /* 10 MHz upper */
+#define B43_TXH_PHY1_BW_20 0x0002 /* 20 MHz */
+#define B43_TXH_PHY1_BW_20U 0x0003 /* 20 MHz upper */
+#define B43_TXH_PHY1_BW_40 0x0004 /* 40 MHz */
+#define B43_TXH_PHY1_BW_40DUP 0x0005 /* 40 MHz duplicate */
+#define B43_TXH_PHY1_MODE 0x0038 /* Mode */
+#define B43_TXH_PHY1_MODE_SISO 0x0000 /* SISO */
+#define B43_TXH_PHY1_MODE_CDD 0x0008 /* CDD */
+#define B43_TXH_PHY1_MODE_STBC 0x0010 /* STBC */
+#define B43_TXH_PHY1_MODE_SDM 0x0018 /* SDM */
+#define B43_TXH_PHY1_CRATE 0x0700 /* Coding rate */
+#define B43_TXH_PHY1_CRATE_1_2 0x0000 /* 1/2 */
+#define B43_TXH_PHY1_CRATE_2_3 0x0100 /* 2/3 */
+#define B43_TXH_PHY1_CRATE_3_4 0x0200 /* 3/4 */
+#define B43_TXH_PHY1_CRATE_4_5 0x0300 /* 4/5 */
+#define B43_TXH_PHY1_CRATE_5_6 0x0400 /* 5/6 */
+#define B43_TXH_PHY1_CRATE_7_8 0x0600 /* 7/8 */
+#define B43_TXH_PHY1_MODUL 0x3800 /* Modulation scheme */
+#define B43_TXH_PHY1_MODUL_BPSK 0x0000 /* BPSK */
+#define B43_TXH_PHY1_MODUL_QPSK 0x0800 /* QPSK */
+#define B43_TXH_PHY1_MODUL_QAM16 0x1000 /* QAM16 */
+#define B43_TXH_PHY1_MODUL_QAM64 0x1800 /* QAM64 */
+#define B43_TXH_PHY1_MODUL_QAM256 0x2000 /* QAM256 */
+
+
+static inline
+size_t b43_txhdr_size(struct b43_wldev *dev)
+{
+ switch (dev->fw.hdr_format) {
+ case B43_FW_HDR_598:
+ return 112 + sizeof(struct b43_plcp_hdr6);
+ case B43_FW_HDR_410:
+ return 104 + sizeof(struct b43_plcp_hdr6);
+ case B43_FW_HDR_351:
+ return 100 + sizeof(struct b43_plcp_hdr6);
+ }
+ return 0;
+}
+
+
+int b43_generate_txhdr(struct b43_wldev *dev,
+ u8 * txhdr,
+ struct sk_buff *skb_frag,
+ struct ieee80211_tx_info *txctl, u16 cookie);
+
+/* Transmit Status */
+struct b43_txstatus {
+ u16 cookie; /* The cookie from the txhdr */
+ u16 seq; /* Sequence number */
+ u8 phy_stat; /* PHY TX status */
+ u8 frame_count; /* Frame transmit count */
+ u8 rts_count; /* RTS transmit count */
+ u8 supp_reason; /* Suppression reason */
+ /* flags */
+ u8 pm_indicated; /* PM mode indicated to AP */
+ u8 intermediate; /* Intermediate status notification (not final) */
+ u8 for_ampdu; /* Status is for an AMPDU (afterburner) */
+ u8 acked; /* Wireless ACK received */
+};
+
+/* txstatus supp_reason values */
+enum {
+ B43_TXST_SUPP_NONE, /* Not suppressed */
+ B43_TXST_SUPP_PMQ, /* Suppressed due to PMQ entry */
+ B43_TXST_SUPP_FLUSH, /* Suppressed due to flush request */
+ B43_TXST_SUPP_PREV, /* Previous fragment failed */
+ B43_TXST_SUPP_CHAN, /* Channel mismatch */
+ B43_TXST_SUPP_LIFE, /* Lifetime expired */
+ B43_TXST_SUPP_UNDER, /* Buffer underflow */
+ B43_TXST_SUPP_ABNACK, /* Afterburner NACK */
+};
+
+/* Receive header for v4 firmware. */
+struct b43_rxhdr_fw4 {
+ __le16 frame_len; /* Frame length */
+ PAD_BYTES(2);
+ __le16 phy_status0; /* PHY RX Status 0 */
+ union {
+ /* RSSI for A/B/G-PHYs */
+ struct {
+ __u8 jssi; /* PHY RX Status 1: JSSI */
+ __u8 sig_qual; /* PHY RX Status 1: Signal Quality */
+ } __packed;
+
+ /* RSSI for N-PHYs */
+ struct {
+ __s8 power0; /* PHY RX Status 1: Power 0 */
+ __s8 power1; /* PHY RX Status 1: Power 1 */
+ } __packed;
+ } __packed;
+ union {
+ /* HT-PHY */
+ struct {
+ PAD_BYTES(1);
+ __s8 phy_ht_power0;
+ } __packed;
+
+ /* RSSI for N-PHYs */
+ struct {
+ __s8 power2;
+ PAD_BYTES(1);
+ } __packed;
+
+ __le16 phy_status2; /* PHY RX Status 2 */
+ } __packed;
+ union {
+ /* HT-PHY */
+ struct {
+ __s8 phy_ht_power1;
+ __s8 phy_ht_power2;
+ } __packed;
+
+ __le16 phy_status3; /* PHY RX Status 3 */
+ } __packed;
+ union {
+ /* Tested with 598.314, 644.1001 and 666.2 */
+ struct {
+ __le16 phy_status4; /* PHY RX Status 4 */
+ __le16 phy_status5; /* PHY RX Status 5 */
+ __le32 mac_status; /* MAC RX status */
+ __le16 mac_time;
+ __le16 channel;
+ } format_598 __packed;
+
+ /* Tested with 351.126, 410.2160, 478.104 and 508.* */
+ struct {
+ __le32 mac_status; /* MAC RX status */
+ __le16 mac_time;
+ __le16 channel;
+ } format_351 __packed;
+ } __packed;
+} __packed;
+
+/* PHY RX Status 0 */
+#define B43_RX_PHYST0_GAINCTL 0x4000 /* Gain Control */
+#define B43_RX_PHYST0_PLCPHCF 0x0200
+#define B43_RX_PHYST0_PLCPFV 0x0100
+#define B43_RX_PHYST0_SHORTPRMBL 0x0080 /* Received with Short Preamble */
+#define B43_RX_PHYST0_LCRS 0x0040
+#define B43_RX_PHYST0_ANT 0x0020 /* Antenna */
+#define B43_RX_PHYST0_UNSRATE 0x0010
+#define B43_RX_PHYST0_CLIP 0x000C
+#define B43_RX_PHYST0_CLIP_SHIFT 2
+#define B43_RX_PHYST0_FTYPE 0x0003 /* Frame type */
+#define B43_RX_PHYST0_CCK 0x0000 /* Frame type: CCK */
+#define B43_RX_PHYST0_OFDM 0x0001 /* Frame type: OFDM */
+#define B43_RX_PHYST0_PRE_N 0x0002 /* Pre-standard N-PHY frame */
+#define B43_RX_PHYST0_STD_N 0x0003 /* Standard N-PHY frame */
+
+/* PHY RX Status 2 */
+#define B43_RX_PHYST2_LNAG 0xC000 /* LNA Gain */
+#define B43_RX_PHYST2_LNAG_SHIFT 14
+#define B43_RX_PHYST2_PNAG 0x3C00 /* PNA Gain */
+#define B43_RX_PHYST2_PNAG_SHIFT 10
+#define B43_RX_PHYST2_FOFF 0x03FF /* F offset */
+
+/* PHY RX Status 3 */
+#define B43_RX_PHYST3_DIGG 0x1800 /* DIG Gain */
+#define B43_RX_PHYST3_DIGG_SHIFT 11
+#define B43_RX_PHYST3_TRSTATE 0x0400 /* TR state */
+
+/* MAC RX Status */
+#define B43_RX_MAC_RXST_VALID 0x01000000 /* PHY RXST valid */
+#define B43_RX_MAC_TKIP_MICERR 0x00100000 /* TKIP MIC error */
+#define B43_RX_MAC_TKIP_MICATT 0x00080000 /* TKIP MIC attempted */
+#define B43_RX_MAC_AGGTYPE 0x00060000 /* Aggregation type */
+#define B43_RX_MAC_AGGTYPE_SHIFT 17
+#define B43_RX_MAC_AMSDU 0x00010000 /* A-MSDU mask */
+#define B43_RX_MAC_BEACONSENT 0x00008000 /* Beacon sent flag */
+#define B43_RX_MAC_KEYIDX 0x000007E0 /* Key index */
+#define B43_RX_MAC_KEYIDX_SHIFT 5
+#define B43_RX_MAC_DECERR 0x00000010 /* Decrypt error */
+#define B43_RX_MAC_DEC 0x00000008 /* Decryption attempted */
+#define B43_RX_MAC_PADDING 0x00000004 /* Pad bytes present */
+#define B43_RX_MAC_RESP 0x00000002 /* Response frame transmitted */
+#define B43_RX_MAC_FCSERR 0x00000001 /* FCS error */
+
+/* RX channel */
+#define B43_RX_CHAN_40MHZ 0x1000 /* 40 Mhz channel width */
+#define B43_RX_CHAN_5GHZ 0x0800 /* 5 Ghz band */
+#define B43_RX_CHAN_ID 0x07F8 /* Channel ID */
+#define B43_RX_CHAN_ID_SHIFT 3
+#define B43_RX_CHAN_PHYTYPE 0x0007 /* PHY type */
+
+
+u8 b43_plcp_get_ratecode_cck(const u8 bitrate);
+u8 b43_plcp_get_ratecode_ofdm(const u8 bitrate);
+
+void b43_generate_plcp_hdr(struct b43_plcp_hdr4 *plcp,
+ const u16 octets, const u8 bitrate);
+
+void b43_rx(struct b43_wldev *dev, struct sk_buff *skb, const void *_rxhdr);
+
+void b43_handle_txstatus(struct b43_wldev *dev,
+ const struct b43_txstatus *status);
+bool b43_fill_txstatus_report(struct b43_wldev *dev,
+ struct ieee80211_tx_info *report,
+ const struct b43_txstatus *status);
+
+void b43_tx_suspend(struct b43_wldev *dev);
+void b43_tx_resume(struct b43_wldev *dev);
+
+
+/* Helper functions for converting the key-table index from "firmware-format"
+ * to "raw-format" and back. The firmware API changed for this at some revision.
+ * We need to account for that here. */
+static inline int b43_new_kidx_api(struct b43_wldev *dev)
+{
+ /* FIXME: Not sure the change was at rev 351 */
+ return (dev->fw.rev >= 351);
+}
+static inline u8 b43_kidx_to_fw(struct b43_wldev *dev, u8 raw_kidx)
+{
+ u8 firmware_kidx;
+ if (b43_new_kidx_api(dev)) {
+ firmware_kidx = raw_kidx;
+ } else {
+ if (raw_kidx >= 4) /* Is per STA key? */
+ firmware_kidx = raw_kidx - 4;
+ else
+ firmware_kidx = raw_kidx; /* TX default key */
+ }
+ return firmware_kidx;
+}
+static inline u8 b43_kidx_to_raw(struct b43_wldev *dev, u8 firmware_kidx)
+{
+ u8 raw_kidx;
+ if (b43_new_kidx_api(dev))
+ raw_kidx = firmware_kidx;
+ else
+ raw_kidx = firmware_kidx + 4; /* RX default keys or per STA keys */
+ return raw_kidx;
+}
+
+/* struct b43_private_tx_info - TX info private to b43.
+ * The structure is placed in (struct ieee80211_tx_info *)->rate_driver_data
+ *
+ * @bouncebuffer: DMA Bouncebuffer (if used)
+ */
+struct b43_private_tx_info {
+ void *bouncebuffer;
+};
+
+static inline struct b43_private_tx_info *
+b43_get_priv_tx_info(struct ieee80211_tx_info *info)
+{
+ BUILD_BUG_ON(sizeof(struct b43_private_tx_info) >
+ sizeof(info->rate_driver_data));
+ return (struct b43_private_tx_info *)info->rate_driver_data;
+}
+
+#endif /* B43_XMIT_H_ */
Code Review / kvmfornfv.git / blobdiff