diff options
Diffstat (limited to 'sys/dev/pci/if_rtwn.c')
| -rw-r--r-- | sys/dev/pci/if_rtwn.c | 187 |
1 files changed, 185 insertions, 2 deletions
diff --git a/sys/dev/pci/if_rtwn.c b/sys/dev/pci/if_rtwn.c index bf01b7abacf..b575193f7dd 100644 --- a/sys/dev/pci/if_rtwn.c +++ b/sys/dev/pci/if_rtwn.c @@ -1,4 +1,4 @@ -/* $OpenBSD: if_rtwn.c,v 1.14 2016/03/07 18:05:41 stsp Exp $ */ +/* $OpenBSD: if_rtwn.c,v 1.15 2016/03/07 19:41:49 stsp Exp $ */ /*- * Copyright (c) 2010 Damien Bergamini <damien.bergamini@free.fr> @@ -56,7 +56,190 @@ #include <dev/pci/pcidevs.h> #include <dev/ic/r92creg.h> -#include <dev/pci/if_rtwnreg.h> + +#define R92C_PUBQ_NPAGES 176 +#define R92C_HPQ_NPAGES 41 +#define R92C_LPQ_NPAGES 28 +#define R92C_TXPKTBUF_COUNT 256 +#define R92C_TX_PAGE_COUNT \ + (R92C_PUBQ_NPAGES + R92C_HPQ_NPAGES + R92C_LPQ_NPAGES) +#define R92C_TX_PAGE_BOUNDARY (R92C_TX_PAGE_COUNT + 1) + +/* + * Driver definitions. + */ +#define RTWN_NTXQUEUES 9 +#define RTWN_RX_LIST_COUNT 256 +#define RTWN_TX_LIST_COUNT 256 +#define RTWN_HOST_CMD_RING_COUNT 32 + +/* TX queue indices. */ +#define RTWN_BK_QUEUE 0 +#define RTWN_BE_QUEUE 1 +#define RTWN_VI_QUEUE 2 +#define RTWN_VO_QUEUE 3 +#define RTWN_BEACON_QUEUE 4 +#define RTWN_TXCMD_QUEUE 5 +#define RTWN_MGNT_QUEUE 6 +#define RTWN_HIGH_QUEUE 7 +#define RTWN_HCCA_QUEUE 8 + +/* RX queue indices. */ +#define RTWN_RX_QUEUE 0 + +#define RTWN_RXBUFSZ (16 * 1024) +#define RTWN_TXBUFSZ (sizeof(struct r92c_tx_desc_pci) + IEEE80211_MAX_LEN) + +#define RTWN_RIDX_COUNT 28 + +#define RTWN_TX_TIMEOUT 5000 /* ms */ + +#define RTWN_LED_LINK 0 +#define RTWN_LED_DATA 1 + +struct rtwn_rx_radiotap_header { + struct ieee80211_radiotap_header wr_ihdr; + uint8_t wr_flags; + uint8_t wr_rate; + uint16_t wr_chan_freq; + uint16_t wr_chan_flags; + uint8_t wr_dbm_antsignal; +} __packed; + +#define RTWN_RX_RADIOTAP_PRESENT \ + (1 << IEEE80211_RADIOTAP_FLAGS | \ + 1 << IEEE80211_RADIOTAP_RATE | \ + 1 << IEEE80211_RADIOTAP_CHANNEL | \ + 1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL) + +struct rtwn_tx_radiotap_header { + struct ieee80211_radiotap_header wt_ihdr; + uint8_t wt_flags; + uint16_t wt_chan_freq; + uint16_t wt_chan_flags; +} __packed; + +#define RTWN_TX_RADIOTAP_PRESENT \ + (1 << IEEE80211_RADIOTAP_FLAGS | \ + 1 << IEEE80211_RADIOTAP_CHANNEL) + +struct rtwn_softc; + +struct rtwn_rx_data { + bus_dmamap_t map; + struct mbuf *m; +}; + +struct rtwn_rx_ring { + struct r92c_rx_desc_pci *desc; + bus_dmamap_t map; + bus_dma_segment_t seg; + int nsegs; + struct rtwn_rx_data rx_data[RTWN_RX_LIST_COUNT]; + +}; +struct rtwn_tx_data { + bus_dmamap_t map; + struct mbuf *m; + struct ieee80211_node *ni; +}; + +struct rtwn_tx_ring { + bus_dmamap_t map; + bus_dma_segment_t seg; + int nsegs; + struct r92c_tx_desc_pci *desc; + struct rtwn_tx_data tx_data[RTWN_TX_LIST_COUNT]; + int queued; + int cur; +}; + +struct rtwn_host_cmd { + void (*cb)(struct rtwn_softc *, void *); + uint8_t data[256]; +}; + +struct rtwn_cmd_key { + struct ieee80211_key key; + uint16_t associd; +}; + +struct rtwn_host_cmd_ring { + struct rtwn_host_cmd cmd[RTWN_HOST_CMD_RING_COUNT]; + int cur; + int next; + int queued; +}; + +struct rtwn_softc { + struct device sc_dev; + struct ieee80211com sc_ic; + int (*sc_newstate)(struct ieee80211com *, + enum ieee80211_state, int); + + /* PCI specific goo. */ + bus_dma_tag_t sc_dmat; + pci_chipset_tag_t sc_pc; + pcitag_t sc_tag; + void *sc_ih; + bus_space_tag_t sc_st; + bus_space_handle_t sc_sh; + bus_size_t sc_mapsize; + int sc_cap_off; + + + struct timeout scan_to; + struct timeout calib_to; + struct task init_task; + int ac2idx[EDCA_NUM_AC]; + u_int sc_flags; +#define RTWN_FLAG_CCK_HIPWR 0x01 +#define RTWN_FLAG_BUSY 0x02 + + u_int chip; +#define RTWN_CHIP_88C 0x00 +#define RTWN_CHIP_92C 0x01 +#define RTWN_CHIP_92C_1T2R 0x02 +#define RTWN_CHIP_UMC 0x04 +#define RTWN_CHIP_UMC_A_CUT 0x08 + + uint8_t board_type; + uint8_t regulatory; + uint8_t pa_setting; + int avg_pwdb; + int thcal_state; + int thcal_lctemp; + int ntxchains; + int nrxchains; + int ledlink; + + int sc_tx_timer; + int fwcur; + struct rtwn_rx_ring rx_ring; + struct rtwn_tx_ring tx_ring[RTWN_NTXQUEUES]; + uint32_t qfullmsk; + struct r92c_rom rom; + + uint32_t rf_chnlbw[R92C_MAX_CHAINS]; +#if NBPFILTER > 0 + caddr_t sc_drvbpf; + + union { + struct rtwn_rx_radiotap_header th; + uint8_t pad[64]; + } sc_rxtapu; +#define sc_rxtap sc_rxtapu.th + int sc_rxtap_len; + + union { + struct rtwn_tx_radiotap_header th; + uint8_t pad[64]; + } sc_txtapu; +#define sc_txtap sc_txtapu.th + int sc_txtap_len; +#endif +}; + #ifdef RTWN_DEBUG #define DPRINTF(x) do { if (rtwn_debug) printf x; } while (0) |