diff options
author | Jason Wright <jason@cvs.openbsd.org> | 2003-04-29 15:19:13 +0000 |
---|---|---|
committer | Jason Wright <jason@cvs.openbsd.org> | 2003-04-29 15:19:13 +0000 |
commit | b1c8b518d6ea7d8e63745d2ceb37fc2bfcdfcf26 (patch) | |
tree | f2da04d3fe806cde4aa47e786bfd7fbb52f773cb /sys/dev/ic/dc.c | |
parent | 5a3fc208373d865908ccbf62652d165da5892011 (diff) |
KNF
Diffstat (limited to 'sys/dev/ic/dc.c')
-rw-r--r-- | sys/dev/ic/dc.c | 696 |
1 files changed, 340 insertions, 356 deletions
diff --git a/sys/dev/ic/dc.c b/sys/dev/ic/dc.c index b74168e39aa..508ac0ca4f6 100644 --- a/sys/dev/ic/dc.c +++ b/sys/dev/ic/dc.c @@ -1,4 +1,4 @@ -/* $OpenBSD: dc.c,v 1.55 2003/02/25 17:29:09 tedu Exp $ */ +/* $OpenBSD: dc.c,v 1.56 2003/04/29 15:19:12 jason Exp $ */ /* * Copyright (c) 1997, 1998, 1999 @@ -201,17 +201,19 @@ void dc_apply_fixup(struct dc_softc *, int); #define SIO_SET(x) DC_SETBIT(sc, DC_SIO, (x)) #define SIO_CLR(x) DC_CLRBIT(sc, DC_SIO, (x)) -void dc_delay(sc) - struct dc_softc *sc; +void +dc_delay(sc) + struct dc_softc *sc; { - int idx; + int idx; for (idx = (300 / 33) + 1; idx > 0; idx--) CSR_READ_4(sc, DC_BUSCTL); } -void dc_eeprom_width(sc) - struct dc_softc *sc; +void +dc_eeprom_width(sc) + struct dc_softc *sc; { int i; @@ -274,10 +276,11 @@ void dc_eeprom_width(sc) dc_eeprom_idle(sc); } -void dc_eeprom_idle(sc) - struct dc_softc *sc; +void +dc_eeprom_idle(sc) + struct dc_softc *sc; { - register int i; + int i; CSR_WRITE_4(sc, DC_SIO, DC_SIO_EESEL); dc_delay(sc); @@ -300,18 +303,17 @@ void dc_eeprom_idle(sc) DC_CLRBIT(sc, DC_SIO, DC_SIO_EE_CS); dc_delay(sc); CSR_WRITE_4(sc, DC_SIO, 0x00000000); - - return; } /* * Send a read command and address to the EEPROM, check for ACK. */ -void dc_eeprom_putbyte(sc, addr) - struct dc_softc *sc; - int addr; +void +dc_eeprom_putbyte(sc, addr) + struct dc_softc *sc; + int addr; { - register int d, i; + int d, i; d = DC_EECMD_READ >> 6; @@ -342,8 +344,6 @@ void dc_eeprom_putbyte(sc, addr) SIO_CLR(DC_SIO_EE_CLK); dc_delay(sc); } - - return; } /* @@ -351,13 +351,14 @@ void dc_eeprom_putbyte(sc, addr) * The PNIC 82c168/82c169 has its own non-standard way to read * the EEPROM. */ -void dc_eeprom_getword_pnic(sc, addr, dest) - struct dc_softc *sc; - int addr; - u_int16_t *dest; +void +dc_eeprom_getword_pnic(sc, addr, dest) + struct dc_softc *sc; + int addr; + u_int16_t *dest; { - register int i; - u_int32_t r; + int i; + u_int32_t r; CSR_WRITE_4(sc, DC_PN_SIOCTL, DC_PN_EEOPCODE_READ|addr); @@ -369,20 +370,19 @@ void dc_eeprom_getword_pnic(sc, addr, dest) return; } } - - return; } /* * Read a word of data stored in the EEPROM at address 'addr.' */ -void dc_eeprom_getword(sc, addr, dest) - struct dc_softc *sc; - int addr; - u_int16_t *dest; +void +dc_eeprom_getword(sc, addr, dest) + struct dc_softc *sc; + int addr; + u_int16_t *dest; { - register int i; - u_int16_t word = 0; + int i; + u_int16_t word = 0; /* Force EEPROM to idle state. */ dc_eeprom_idle(sc); @@ -419,22 +419,18 @@ void dc_eeprom_getword(sc, addr, dest) dc_eeprom_idle(sc); *dest = word; - - return; } /* * Read a sequence of words from the EEPROM. */ void dc_read_eeprom(sc, dest, off, cnt, swap) - struct dc_softc *sc; - caddr_t dest; - int off; - int cnt; - int swap; + struct dc_softc *sc; + caddr_t dest; + int off, cnt, swap; { - int i; - u_int16_t word = 0, *ptr; + int i; + u_int16_t word = 0, *ptr; for (i = 0; i < cnt; i++) { if (DC_IS_PNIC(sc)) @@ -447,8 +443,6 @@ void dc_read_eeprom(sc, dest, off, cnt, swap) else *ptr = word; } - - return; } /* @@ -458,9 +452,10 @@ void dc_read_eeprom(sc, dest, off, cnt, swap) /* * Write a bit to the MII bus. */ -void dc_mii_writebit(sc, bit) - struct dc_softc *sc; - int bit; +void +dc_mii_writebit(sc, bit) + struct dc_softc *sc; + int bit; { if (bit) CSR_WRITE_4(sc, DC_SIO, @@ -470,51 +465,49 @@ void dc_mii_writebit(sc, bit) DC_SETBIT(sc, DC_SIO, DC_SIO_MII_CLK); DC_CLRBIT(sc, DC_SIO, DC_SIO_MII_CLK); - - return; } /* * Read a bit from the MII bus. */ -int dc_mii_readbit(sc) - struct dc_softc *sc; +int +dc_mii_readbit(sc) + struct dc_softc *sc; { CSR_WRITE_4(sc, DC_SIO, DC_SIO_ROMCTL_READ|DC_SIO_MII_DIR); CSR_READ_4(sc, DC_SIO); DC_SETBIT(sc, DC_SIO, DC_SIO_MII_CLK); DC_CLRBIT(sc, DC_SIO, DC_SIO_MII_CLK); if (CSR_READ_4(sc, DC_SIO) & DC_SIO_MII_DATAIN) - return(1); - - return(0); + return (1); + return (0); } /* * Sync the PHYs by setting data bit and strobing the clock 32 times. */ -void dc_mii_sync(sc) - struct dc_softc *sc; +void +dc_mii_sync(sc) + struct dc_softc *sc; { - register int i; + int i; CSR_WRITE_4(sc, DC_SIO, DC_SIO_ROMCTL_WRITE); for (i = 0; i < 32; i++) dc_mii_writebit(sc, 1); - - return; } /* * Clock a series of bits through the MII. */ -void dc_mii_send(sc, bits, cnt) - struct dc_softc *sc; - u_int32_t bits; - int cnt; +void +dc_mii_send(sc, bits, cnt) + struct dc_softc *sc; + u_int32_t bits; + int cnt; { - int i; + int i; for (i = (0x1 << (cnt - 1)); i; i >>= 1) dc_mii_writebit(sc, bits & i); @@ -523,12 +516,12 @@ void dc_mii_send(sc, bits, cnt) /* * Read an PHY register through the MII. */ -int dc_mii_readreg(sc, frame) - struct dc_softc *sc; - struct dc_mii_frame *frame; - +int +dc_mii_readreg(sc, frame) + struct dc_softc *sc; + struct dc_mii_frame *frame; { - int i, ack, s; + int i, ack, s; s = splimp(); @@ -586,19 +579,19 @@ fail: splx(s); if (ack) - return(1); - return(0); + return (1); + return (0); } /* * Write to a PHY register through the MII. */ -int dc_mii_writereg(sc, frame) - struct dc_softc *sc; - struct dc_mii_frame *frame; - +int +dc_mii_writereg(sc, frame) + struct dc_softc *sc; + struct dc_mii_frame *frame; { - int s; + int s; s = splimp(); /* @@ -626,17 +619,17 @@ int dc_mii_writereg(sc, frame) dc_mii_writebit(sc, 0); splx(s); - - return(0); + return (0); } -int dc_miibus_readreg(self, phy, reg) - struct device *self; - int phy, reg; +int +dc_miibus_readreg(self, phy, reg) + struct device *self; + int phy, reg; { - struct dc_mii_frame frame; - struct dc_softc *sc = (struct dc_softc *)self; - int i, rval, phy_reg; + struct dc_mii_frame frame; + struct dc_softc *sc = (struct dc_softc *)self; + int i, rval, phy_reg; bzero((char *)&frame, sizeof(frame)); @@ -650,7 +643,7 @@ int dc_miibus_readreg(self, phy, reg) * that the PHY is at MII address 1. */ if (DC_IS_ADMTEK(sc) && phy != DC_ADMTEK_PHYADDR) - return(0); + return (0); /* * Note: the ukphy probs of the RS7112 report a PHY at @@ -665,28 +658,28 @@ int dc_miibus_readreg(self, phy, reg) if (phy == (MII_NPHY - 1)) { switch(reg) { case MII_BMSR: - /* - * Fake something to make the probe - * code think there's a PHY here. - */ - return(BMSR_MEDIAMASK); + /* + * Fake something to make the probe + * code think there's a PHY here. + */ + return (BMSR_MEDIAMASK); break; case MII_PHYIDR1: if (DC_IS_PNIC(sc)) - return(PCI_VENDOR_LITEON); - return(PCI_VENDOR_DEC); + return (PCI_VENDOR_LITEON); + return (PCI_VENDOR_DEC); break; case MII_PHYIDR2: if (DC_IS_PNIC(sc)) - return(PCI_PRODUCT_LITEON_PNIC); - return(PCI_PRODUCT_DEC_21142); + return (PCI_PRODUCT_LITEON_PNIC); + return (PCI_PRODUCT_DEC_21142); break; default: - return(0); + return (0); break; } } else - return(0); + return (0); } if (DC_IS_PNIC(sc)) { @@ -697,10 +690,10 @@ int dc_miibus_readreg(self, phy, reg) rval = CSR_READ_4(sc, DC_PN_MII); if (!(rval & DC_PN_MII_BUSY)) { rval &= 0xFFFF; - return(rval == 0xFFFF ? 0 : rval); + return (rval == 0xFFFF ? 0 : rval); } } - return(0); + return (0); } if (DC_IS_COMET(sc)) { @@ -729,15 +722,15 @@ int dc_miibus_readreg(self, phy, reg) default: printf("dc%d: phy_read: bad phy register %x\n", sc->dc_unit, reg); - return(0); + return (0); break; } rval = CSR_READ_4(sc, phy_reg) & 0x0000FFFF; if (rval == 0xFFFF) - return(0); - return(rval); + return (0); + return (rval); } frame.mii_phyaddr = phy; @@ -750,16 +743,17 @@ int dc_miibus_readreg(self, phy, reg) if (sc->dc_type == DC_TYPE_98713) CSR_WRITE_4(sc, DC_NETCFG, phy_reg); - return(frame.mii_data); + return (frame.mii_data); } -void dc_miibus_writereg(self, phy, reg, data) - struct device *self; - int phy, reg, data; +void +dc_miibus_writereg(self, phy, reg, data) + struct device *self; + int phy, reg, data; { - struct dc_softc *sc = (struct dc_softc *)self; - struct dc_mii_frame frame; - int i, phy_reg; + struct dc_softc *sc = (struct dc_softc *)self; + struct dc_mii_frame frame; + int i, phy_reg; bzero((char *)&frame, sizeof(frame)); @@ -823,11 +817,10 @@ void dc_miibus_writereg(self, phy, reg, data) dc_mii_writereg(sc, &frame); if (sc->dc_type == DC_TYPE_98713) CSR_WRITE_4(sc, DC_NETCFG, phy_reg); - - return; } -void dc_miibus_statchg(self) +void +dc_miibus_statchg(self) struct device *self; { struct dc_softc *sc = (struct dc_softc *)self; @@ -846,8 +839,6 @@ void dc_miibus_statchg(self) dc_setcfg(sc, mii->mii_media_active); sc->dc_if_media = mii->mii_media_active; } - - return; } #define DC_POLY 0xEDB88320 @@ -855,11 +846,12 @@ void dc_miibus_statchg(self) #define DC_BITS_128 7 #define DC_BITS_64 6 -u_int32_t dc_crc_le(sc, addr) - struct dc_softc *sc; - caddr_t addr; +u_int32_t +dc_crc_le(sc, addr) + struct dc_softc *sc; + caddr_t addr; { - u_int32_t idx, bit, data, crc; + u_int32_t idx, bit, data, crc; /* Compute CRC for the address value. */ crc = 0xFFFFFFFF; /* initial value */ @@ -895,12 +887,13 @@ u_int32_t dc_crc_le(sc, addr) /* * Calculate CRC of a multicast group address, return the lower 6 bits. */ -u_int32_t dc_crc_be(addr) - caddr_t addr; +u_int32_t +dc_crc_be(addr) + caddr_t addr; { - u_int32_t crc, carry; - int i, j; - u_int8_t c; + u_int32_t crc, carry; + int i, j; + u_int8_t c; /* Compute CRC for the address value. */ crc = 0xFFFFFFFF; /* initial value */ @@ -917,7 +910,7 @@ u_int32_t dc_crc_be(addr) } /* return the filter bit position */ - return((crc >> 26) & 0x0000003F); + return ((crc >> 26) & 0x0000003F); } /* @@ -930,16 +923,17 @@ u_int32_t dc_crc_be(addr) * frames. We also sneak the broadcast address into the hash filter since * we need that too. */ -void dc_setfilt_21143(sc) - struct dc_softc *sc; +void +dc_setfilt_21143(sc) + struct dc_softc *sc; { - struct dc_desc *sframe; - u_int32_t h, *sp; - struct arpcom *ac = &sc->sc_arpcom; - struct ether_multi *enm; - struct ether_multistep step; - struct ifnet *ifp; - int i; + struct dc_desc *sframe; + u_int32_t h, *sp; + struct arpcom *ac = &sc->sc_arpcom; + struct ether_multi *enm; + struct ether_multistep step; + struct ifnet *ifp; + int i; ifp = &sc->sc_arpcom.ac_if; @@ -1009,19 +1003,18 @@ void dc_setfilt_21143(sc) DELAY(10000); ifp->if_timer = 5; - - return; } -void dc_setfilt_admtek(sc) - struct dc_softc *sc; +void +dc_setfilt_admtek(sc) + struct dc_softc *sc; { - struct ifnet *ifp; - struct arpcom *ac = &sc->sc_arpcom; - struct ether_multi *enm; - struct ether_multistep step; - int h = 0; - u_int32_t hashes[2] = { 0, 0 }; + struct ifnet *ifp; + struct arpcom *ac = &sc->sc_arpcom; + struct ether_multi *enm; + struct ether_multistep step; + int h = 0; + u_int32_t hashes[2] = { 0, 0 }; ifp = &sc->sc_arpcom.ac_if; @@ -1064,19 +1057,18 @@ void dc_setfilt_admtek(sc) CSR_WRITE_4(sc, DC_AL_MAR0, hashes[0]); CSR_WRITE_4(sc, DC_AL_MAR1, hashes[1]); - - return; } -void dc_setfilt_asix(sc) - struct dc_softc *sc; +void +dc_setfilt_asix(sc) + struct dc_softc *sc; { - struct ifnet *ifp; - struct arpcom *ac = &sc->sc_arpcom; - struct ether_multi *enm; - struct ether_multistep step; - int h = 0; - u_int32_t hashes[2] = { 0, 0 }; + struct ifnet *ifp; + struct arpcom *ac = &sc->sc_arpcom; + struct ether_multi *enm; + struct ether_multistep step; + int h = 0; + u_int32_t hashes[2] = { 0, 0 }; ifp = &sc->sc_arpcom.ac_if; @@ -1136,20 +1128,19 @@ void dc_setfilt_asix(sc) CSR_WRITE_4(sc, DC_AX_FILTDATA, hashes[0]); CSR_WRITE_4(sc, DC_AX_FILTIDX, DC_AX_FILTIDX_MAR1); CSR_WRITE_4(sc, DC_AX_FILTDATA, hashes[1]); - - return; } -void dc_setfilt_xircom(sc) - struct dc_softc *sc; +void +dc_setfilt_xircom(sc) + struct dc_softc *sc; { - struct dc_desc *sframe; - struct arpcom *ac = &sc->sc_arpcom; - struct ether_multi *enm; - struct ether_multistep step; - u_int32_t h, *sp; - struct ifnet *ifp; - int i; + struct dc_desc *sframe; + struct arpcom *ac = &sc->sc_arpcom; + struct ether_multi *enm; + struct ether_multistep step; + u_int32_t h, *sp; + struct ifnet *ifp; + int i; ifp = &sc->sc_arpcom.ac_if; DC_CLRBIT(sc, DC_NETCFG, (DC_NETCFG_TX_ON|DC_NETCFG_RX_ON)); @@ -1210,12 +1201,11 @@ void dc_setfilt_xircom(sc) DELAY(1000); ifp->if_timer = 5; - - return; } -void dc_setfilt(sc) - struct dc_softc *sc; +void +dc_setfilt(sc) + struct dc_softc *sc; { if (DC_IS_INTEL(sc) || DC_IS_MACRONIX(sc) || DC_IS_PNIC(sc) || DC_IS_PNICII(sc) || DC_IS_DAVICOM(sc) || DC_IS_CONEXANT(sc)) @@ -1229,8 +1219,6 @@ void dc_setfilt(sc) if (DC_IS_XIRCOM(sc)) dc_setfilt_xircom(sc); - - return; } /* @@ -1238,12 +1226,13 @@ void dc_setfilt(sc) * 'full-duplex' and '100Mbps' bits in the netconfig register, we * first have to put the transmit and/or receive logic in the idle state. */ -void dc_setcfg(sc, media) - struct dc_softc *sc; - int media; +void +dc_setcfg(sc, media) + struct dc_softc *sc; + int media; { - int i, restart = 0; - u_int32_t isr; + int i, restart = 0; + u_int32_t isr; if (IFM_SUBTYPE(media) == IFM_NONE) return; @@ -1384,14 +1373,13 @@ void dc_setcfg(sc, media) if (restart) DC_SETBIT(sc, DC_NETCFG, DC_NETCFG_TX_ON|DC_NETCFG_RX_ON); - - return; } -void dc_reset(sc) - struct dc_softc *sc; +void +dc_reset(sc) + struct dc_softc *sc; { - register int i; + int i; DC_SETBIT(sc, DC_BUSCTL, DC_BUSCTL_RESET); @@ -1432,18 +1420,17 @@ void dc_reset(sc) if (sc->dc_type == DC_TYPE_21145) dc_setcfg(sc, IFM_10_T); - - return; } -void dc_apply_fixup(sc, media) - struct dc_softc *sc; - int media; +void +dc_apply_fixup(sc, media) + struct dc_softc *sc; + int media; { - struct dc_mediainfo *m; - u_int8_t *p; - int i; - u_int32_t reg; + struct dc_mediainfo *m; + u_int8_t *p; + int i; + u_int32_t reg; m = sc->dc_mi; @@ -1465,15 +1452,14 @@ void dc_apply_fixup(sc, media) reg = (p[0] | (p[1] << 8)) << 16; CSR_WRITE_4(sc, DC_WATCHDOG, reg); } - - return; } -void dc_decode_leaf_sia(sc, l) - struct dc_softc *sc; - struct dc_eblock_sia *l; +void +dc_decode_leaf_sia(sc, l) + struct dc_softc *sc; + struct dc_eblock_sia *l; { - struct dc_mediainfo *m; + struct dc_mediainfo *m; m = malloc(sizeof(struct dc_mediainfo), M_DEVBUF, M_NOWAIT); if (m == NULL) @@ -1498,15 +1484,14 @@ void dc_decode_leaf_sia(sc, l) sc->dc_mi = m; sc->dc_pmode = DC_PMODE_SIA; - - return; } -void dc_decode_leaf_sym(sc, l) - struct dc_softc *sc; - struct dc_eblock_sym *l; +void +dc_decode_leaf_sym(sc, l) + struct dc_softc *sc; + struct dc_eblock_sym *l; { - struct dc_mediainfo *m; + struct dc_mediainfo *m; m = malloc(sizeof(struct dc_mediainfo), M_DEVBUF, M_NOWAIT); if (m == NULL) @@ -1525,16 +1510,15 @@ void dc_decode_leaf_sym(sc, l) sc->dc_mi = m; sc->dc_pmode = DC_PMODE_SYM; - - return; } -void dc_decode_leaf_mii(sc, l) - struct dc_softc *sc; - struct dc_eblock_mii *l; +void +dc_decode_leaf_mii(sc, l) + struct dc_softc *sc; + struct dc_eblock_mii *l; { - u_int8_t *p; - struct dc_mediainfo *m; + u_int8_t *p; + struct dc_mediainfo *m; m = malloc(sizeof(struct dc_mediainfo), M_DEVBUF, M_NOWAIT); if (m == NULL) @@ -1554,13 +1538,12 @@ void dc_decode_leaf_mii(sc, l) m->dc_next = sc->dc_mi; sc->dc_mi = m; - - return; } -void dc_read_srom(sc, bits) - struct dc_softc *sc; - int bits; +void +dc_read_srom(sc, bits) + struct dc_softc *sc; + int bits; { int size; @@ -1571,13 +1554,14 @@ void dc_read_srom(sc, bits) dc_read_eeprom(sc, (caddr_t)sc->dc_srom, 0, (size / 2), 0); } -void dc_parse_21143_srom(sc) - struct dc_softc *sc; +void +dc_parse_21143_srom(sc) + struct dc_softc *sc; { - struct dc_leaf_hdr *lhdr; - struct dc_eblock_hdr *hdr; - int i, loff; - char *ptr; + struct dc_leaf_hdr *lhdr; + struct dc_eblock_hdr *hdr; + int i, loff; + char *ptr; loff = sc->dc_srom[27]; lhdr = (struct dc_leaf_hdr *)&(sc->dc_srom[loff]); @@ -1603,19 +1587,18 @@ void dc_parse_21143_srom(sc) ptr += (hdr->dc_len & 0x7F); ptr++; } - - return; } /* * Attach the interface. Allocate softc structures, do ifmedia * setup and ethernet/BPF attach. */ -void dc_attach(sc) +void +dc_attach(sc) struct dc_softc *sc; { - struct ifnet *ifp; - int error = 0, mac_offset, tmp, i; + struct ifnet *ifp; + int error = 0, mac_offset, tmp, i; /* * Get station address from the EEPROM. @@ -1815,8 +1798,9 @@ fail: return; } -int dc_detach(sc) - struct dc_softc *sc; +int +dc_detach(sc) + struct dc_softc *sc; { struct ifnet *ifp = &sc->sc_arpcom.ac_if; @@ -1839,13 +1823,14 @@ int dc_detach(sc) /* * Initialize the transmit descriptors. */ -int dc_list_tx_init(sc) - struct dc_softc *sc; +int +dc_list_tx_init(sc) + struct dc_softc *sc; { - struct dc_chain_data *cd; - struct dc_list_data *ld; - int i; - bus_addr_t next; + struct dc_chain_data *cd; + struct dc_list_data *ld; + int i; + bus_addr_t next; cd = &sc->dc_cdata; ld = sc->dc_ldata; @@ -1865,7 +1850,7 @@ int dc_list_tx_init(sc) cd->dc_tx_prod = cd->dc_tx_cons = cd->dc_tx_cnt = 0; - return(0); + return (0); } @@ -1874,20 +1859,21 @@ int dc_list_tx_init(sc) * we arrange the descriptors in a closed ring, so that the last descriptor * points back to the first. */ -int dc_list_rx_init(sc) - struct dc_softc *sc; +int +dc_list_rx_init(sc) + struct dc_softc *sc; { - struct dc_chain_data *cd; - struct dc_list_data *ld; - int i; - bus_addr_t next; + struct dc_chain_data *cd; + struct dc_list_data *ld; + int i; + bus_addr_t next; cd = &sc->dc_cdata; ld = sc->dc_ldata; for (i = 0; i < DC_RX_LIST_CNT; i++) { if (dc_newbuf(sc, i, NULL) == ENOBUFS) - return(ENOBUFS); + return (ENOBUFS); next = sc->sc_listmap->dm_segs[0].ds_addr; if (i == (DC_RX_LIST_CNT - 1)) next += @@ -1900,20 +1886,21 @@ int dc_list_rx_init(sc) cd->dc_rx_prod = 0; - return(0); + return (0); } /* * Initialize an RX descriptor and attach an MBUF cluster. */ -int dc_newbuf(sc, i, m) - struct dc_softc *sc; - int i; - struct mbuf *m; +int +dc_newbuf(sc, i, m) + struct dc_softc *sc; + int i; + struct mbuf *m; { - struct mbuf *m_new = NULL; - struct dc_desc *c; - bus_dmamap_t map; + struct mbuf *m_new = NULL; + struct dc_desc *c; + bus_dmamap_t map; c = &sc->dc_ldata->dc_rx_list[i]; @@ -1922,7 +1909,7 @@ int dc_newbuf(sc, i, m) if (m_new == NULL) { printf("dc%d: no memory for rx list " "-- packet dropped!\n", sc->dc_unit); - return(ENOBUFS); + return (ENOBUFS); } MCLGET(m_new, M_DONTWAIT); @@ -1930,7 +1917,7 @@ int dc_newbuf(sc, i, m) printf("dc%d: no memory for rx list " "-- packet dropped!\n", sc->dc_unit); m_freem(m_new); - return(ENOBUFS); + return (ENOBUFS); } m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; if (bus_dmamap_load(sc->sc_dmat, sc->sc_rx_sparemap, @@ -1975,7 +1962,7 @@ int dc_newbuf(sc, i, m) sizeof(struct dc_desc), BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); - return(0); + return (0); } /* @@ -2031,9 +2018,10 @@ int dc_newbuf(sc, i, m) */ #define DC_WHOLEFRAME (DC_RXSTAT_FIRSTFRAG|DC_RXSTAT_LASTFRAG) -void dc_pnic_rx_bug_war(sc, idx) - struct dc_softc *sc; - int idx; +void +dc_pnic_rx_bug_war(sc, idx) + struct dc_softc *sc; + int idx; { struct dc_desc *cur_rx; struct dc_desc *c = NULL; @@ -2085,8 +2073,6 @@ void dc_pnic_rx_bug_war(sc, idx) dc_newbuf(sc, i, m); bcopy(ptr, mtod(m, char *), total_len); cur_rx->dc_status = htole32(rxstat | DC_RXSTAT_FIRSTFRAG); - - return; } /* @@ -2100,11 +2086,12 @@ void dc_pnic_rx_bug_war(sc, idx) * should still be getting RX DONE interrupts to drive the search * for new packets in the RX ring, so we should catch up eventually. */ -int dc_rx_resync(sc) - struct dc_softc *sc; +int +dc_rx_resync(sc) + struct dc_softc *sc; { - int i, pos; - struct dc_desc *cur_rx; + int i, pos; + struct dc_desc *cur_rx; pos = sc->dc_cdata.dc_rx_prod; @@ -2122,26 +2109,27 @@ int dc_rx_resync(sc) /* If the ring really is empty, then just return. */ if (i == DC_RX_LIST_CNT) - return(0); + return (0); /* We've fallen behing the chip: catch it. */ sc->dc_cdata.dc_rx_prod = pos; - return(EAGAIN); + return (EAGAIN); } /* * A frame has been uploaded: pass the resulting mbuf chain up to * the higher level protocols. */ -void dc_rxeof(sc) - struct dc_softc *sc; +void +dc_rxeof(sc) + struct dc_softc *sc; { - struct mbuf *m; - struct ifnet *ifp; - struct dc_desc *cur_rx; - int i, total_len = 0; - u_int32_t rxstat; + struct mbuf *m; + struct ifnet *ifp; + struct dc_desc *cur_rx; + int i, total_len = 0; + u_int32_t rxstat; ifp = &sc->sc_arpcom.ac_if; i = sc->dc_cdata.dc_rx_prod; @@ -2234,8 +2222,6 @@ void dc_rxeof(sc) } sc->dc_cdata.dc_rx_prod = i; - - return; } /* @@ -2243,12 +2229,13 @@ void dc_rxeof(sc) * the list buffers. */ -void dc_txeof(sc) - struct dc_softc *sc; +void +dc_txeof(sc) + struct dc_softc *sc; { - struct dc_desc *cur_tx = NULL; - struct ifnet *ifp; - int idx; + struct dc_desc *cur_tx = NULL; + struct ifnet *ifp; + int idx; ifp = &sc->sc_arpcom.ac_if; @@ -2352,18 +2339,17 @@ void dc_txeof(sc) sc->dc_cdata.dc_tx_cons = idx; if (cur_tx != NULL) ifp->if_flags &= ~IFF_OACTIVE; - - return; } -void dc_tick(xsc) - void *xsc; +void +dc_tick(xsc) + void *xsc; { - struct dc_softc *sc = (struct dc_softc *)xsc; - struct mii_data *mii; - struct ifnet *ifp; - int s; - u_int32_t r; + struct dc_softc *sc = (struct dc_softc *)xsc; + struct mii_data *mii; + struct ifnet *ifp; + int s; + u_int32_t r; s = splimp(); @@ -2431,17 +2417,16 @@ void dc_tick(xsc) timeout_add(&sc->dc_tick_tmo, hz); splx(s); - - return; } -int dc_intr(arg) - void *arg; +int +dc_intr(arg) + void *arg; { - struct dc_softc *sc; - struct ifnet *ifp; - u_int32_t status; - int claimed = 0; + struct dc_softc *sc; + struct ifnet *ifp; + u_int32_t status; + int claimed = 0; sc = arg; ifp = &sc->sc_arpcom.ac_if; @@ -2450,7 +2435,7 @@ int dc_intr(arg) if (!(ifp->if_flags & IFF_UP)) { if (CSR_READ_4(sc, DC_ISR) & DC_INTRS) dc_stop(sc); - return claimed; + return (claimed); } /* Disable interrupts. */ @@ -2548,14 +2533,15 @@ int dc_intr(arg) * Encapsulate an mbuf chain in a descriptor by coupling the mbuf data * pointers to the fragment pointers. */ -int dc_encap(sc, m_head, txidx) - struct dc_softc *sc; - struct mbuf *m_head; - u_int32_t *txidx; +int +dc_encap(sc, m_head, txidx) + struct dc_softc *sc; + struct mbuf *m_head; + u_int32_t *txidx; { - struct dc_desc *f = NULL; - int frag, cur, cnt = 0, i; - bus_dmamap_t map; + struct dc_desc *f = NULL; + int frag, cur, cnt = 0, i; + bus_dmamap_t map; /* * Start packing the mbufs in this chain into @@ -2575,13 +2561,13 @@ int dc_encap(sc, m_head, txidx) if (*txidx != sc->dc_cdata.dc_tx_prod && frag == (DC_TX_LIST_CNT - 1)) { bus_dmamap_unload(sc->sc_dmat, map); - return(ENOBUFS); + return (ENOBUFS); } } if ((DC_TX_LIST_CNT - (sc->dc_cdata.dc_tx_cnt + cnt)) < 5) { bus_dmamap_unload(sc->sc_dmat, map); - return(ENOBUFS); + return (ENOBUFS); } f = &sc->dc_ldata->dc_tx_list[frag]; @@ -2629,7 +2615,7 @@ int dc_encap(sc, m_head, txidx) *txidx = frag; - return(0); + return (0); } /* @@ -2637,9 +2623,10 @@ int dc_encap(sc, m_head, txidx) * Needed for some really badly behaved chips that just can't * do scatter/gather correctly. */ -int dc_coal(sc, m_head) - struct dc_softc *sc; - struct mbuf **m_head; +int +dc_coal(sc, m_head) + struct dc_softc *sc; + struct mbuf **m_head; { struct mbuf *m_new, *m; @@ -2647,14 +2634,14 @@ int dc_coal(sc, m_head) MGETHDR(m_new, M_DONTWAIT, MT_DATA); if (m_new == NULL) { printf("dc%d: no memory for tx list", sc->dc_unit); - return(ENOBUFS); + return (ENOBUFS); } if (m->m_pkthdr.len > MHLEN) { MCLGET(m_new, M_DONTWAIT); if (!(m_new->m_flags & M_EXT)) { m_freem(m_new); printf("dc%d: no memory for tx list", sc->dc_unit); - return(ENOBUFS); + return (ENOBUFS); } } m_copydata(m, 0, m->m_pkthdr.len, mtod(m_new, caddr_t)); @@ -2662,7 +2649,7 @@ int dc_coal(sc, m_head) m_freem(m); *m_head = m_new; - return(0); + return (0); } /* @@ -2672,12 +2659,13 @@ int dc_coal(sc, m_head) * physical addresses. */ -void dc_start(ifp) - struct ifnet *ifp; +void +dc_start(ifp) + struct ifnet *ifp; { - struct dc_softc *sc; - struct mbuf *m_head = NULL; - int idx; + struct dc_softc *sc; + struct mbuf *m_head = NULL; + int idx; sc = ifp->if_softc; @@ -2743,17 +2731,16 @@ void dc_start(ifp) * Set a timeout in case the chip goes out to lunch. */ ifp->if_timer = 5; - - return; } -void dc_init(xsc) - void *xsc; +void +dc_init(xsc) + void *xsc; { - struct dc_softc *sc = xsc; - struct ifnet *ifp = &sc->sc_arpcom.ac_if; - struct mii_data *mii; - int s; + struct dc_softc *sc = xsc; + struct ifnet *ifp = &sc->sc_arpcom.ac_if; + struct mii_data *mii; + int s; s = splimp(); @@ -2919,18 +2906,17 @@ void dc_init(xsc) sc->dc_srm_media = 0; } #endif - - return; } /* * Set media options. */ -int dc_ifmedia_upd(ifp) - struct ifnet *ifp; +int +dc_ifmedia_upd(ifp) + struct ifnet *ifp; { - struct dc_softc *sc; - struct mii_data *mii; + struct dc_softc *sc; + struct mii_data *mii; struct ifmedia *ifm; sc = ifp->if_softc; @@ -2945,19 +2931,20 @@ int dc_ifmedia_upd(ifp) else sc->dc_link = 0; - return(0); + return (0); } /* * Report current media status. */ -void dc_ifmedia_sts(ifp, ifmr) - struct ifnet *ifp; - struct ifmediareq *ifmr; +void +dc_ifmedia_sts(ifp, ifmr) + struct ifnet *ifp; + struct ifmediareq *ifmr; { - struct dc_softc *sc; - struct mii_data *mii; - struct ifmedia *ifm; + struct dc_softc *sc; + struct mii_data *mii; + struct ifmedia *ifm; sc = ifp->if_softc; mii = &sc->sc_mii; @@ -2972,14 +2959,13 @@ void dc_ifmedia_sts(ifp, ifmr) } ifmr->ifm_active = mii->mii_media_active; ifmr->ifm_status = mii->mii_media_status; - - return; } -int dc_ioctl(ifp, command, data) - struct ifnet *ifp; - u_long command; - caddr_t data; +int +dc_ioctl(ifp, command, data) + struct ifnet *ifp; + u_long command; + caddr_t data; { struct dc_softc *sc = ifp->if_softc; struct ifreq *ifr = (struct ifreq *) data; @@ -2991,7 +2977,7 @@ int dc_ioctl(ifp, command, data) if ((error = ether_ioctl(ifp, &sc->sc_arpcom, command, data)) > 0) { splx(s); - return error; + return (error); } switch(command) { @@ -3059,13 +3045,14 @@ int dc_ioctl(ifp, command, data) splx(s); - return(error); + return (error); } -void dc_watchdog(ifp) - struct ifnet *ifp; +void +dc_watchdog(ifp) + struct ifnet *ifp; { - struct dc_softc *sc; + struct dc_softc *sc; sc = ifp->if_softc; @@ -3078,19 +3065,18 @@ void dc_watchdog(ifp) if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) dc_start(ifp); - - return; } /* * Stop the adapter and free any mbufs allocated to the * RX and TX lists. */ -void dc_stop(sc) - struct dc_softc *sc; +void +dc_stop(sc) + struct dc_softc *sc; { - register int i; - struct ifnet *ifp; + struct ifnet *ifp; + int i; ifp = &sc->sc_arpcom.ac_if; ifp->if_timer = 0; @@ -3148,18 +3134,17 @@ void dc_stop(sc) sizeof(sc->dc_ldata->dc_tx_list)); ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); - - return; } /* * Stop all chip I/O so that the kernel's probe routines don't * get confused by errant DMAs when rebooting. */ -void dc_shutdown(v) - void *v; +void +dc_shutdown(v) + void *v; { - struct dc_softc *sc = (struct dc_softc *)v; + struct dc_softc *sc = (struct dc_softc *)v; dc_stop(sc); } @@ -3167,4 +3152,3 @@ void dc_shutdown(v) struct cfdriver dc_cd = { 0, "dc", DV_IFNET }; - |