svn commit: r184562 - in head/sys: conf dev/mn pci
Warner Losh
imp at FreeBSD.org
Sun Nov 2 09:04:55 PST 2008
Author: imp
Date: Sun Nov 2 17:04:54 2008
New Revision: 184562
URL: http://svn.freebsd.org/changeset/base/184562
Log:
Move mn over. One of the last stragglers in sys/pci. There's no
module built for this hardware, so no changes needed.
Added:
head/sys/dev/mn/
head/sys/dev/mn/if_mn.c (props changed)
- copied unchanged from r184514, head/sys/pci/if_mn.c
Deleted:
head/sys/pci/if_mn.c
Modified:
head/sys/conf/files
Modified: head/sys/conf/files
==============================================================================
--- head/sys/conf/files Sun Nov 2 17:00:23 2008 (r184561)
+++ head/sys/conf/files Sun Nov 2 17:04:54 2008 (r184562)
@@ -961,6 +961,7 @@ dev/mmc/mmc.c optional mmc
dev/mmc/mmcbr_if.m standard
dev/mmc/mmcbus_if.m standard
dev/mmc/mmcsd.c optional mmcsd
+dev/mn/if_mn.c optional mn pci
dev/mpt/mpt.c optional mpt
dev/mpt/mpt_cam.c optional mpt
dev/mpt/mpt_debug.c optional mpt
@@ -2137,7 +2138,6 @@ opencrypto/xform.c optional crypto
pci/alpm.c optional alpm pci
pci/amdpm.c optional amdpm pci | nfpm pci
pci/amdsmb.c optional amdsmb pci
-pci/if_mn.c optional mn pci
pci/if_rl.c optional rl pci
pci/intpm.c optional intpm pci
pci/ncr.c optional ncr pci
Copied: head/sys/dev/mn/if_mn.c (from r184514, head/sys/pci/if_mn.c)
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ head/sys/dev/mn/if_mn.c Sun Nov 2 17:04:54 2008 (r184562, copy of r184514, head/sys/pci/if_mn.c)
@@ -0,0 +1,1450 @@
+/*-
+ * ----------------------------------------------------------------------------
+ * "THE BEER-WARE LICENSE" (Revision 42):
+ * <phk at FreeBSD.org> wrote this file. As long as you retain this notice you
+ * can do whatever you want with this stuff. If we meet some day, and you think
+ * this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
+ * ----------------------------------------------------------------------------
+ */
+
+/*
+ * Driver for Siemens reference design card "Easy321-R1".
+ *
+ * This card contains a FALC54 E1/T1 framer and a MUNICH32X 32-channel HDLC
+ * controller.
+ *
+ * The driver supports E1 mode with up to 31 channels. We send CRC4 but don't
+ * check it coming in.
+ *
+ * The FALC54 and MUNICH32X have far too many registers and weird modes for
+ * comfort, so I have not bothered typing it all into a "fooreg.h" file,
+ * you will (badly!) need the documentation anyway if you want to mess with
+ * this gadget.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+/*
+ * Stuff to describe the MUNIC32X and FALC54 chips.
+ */
+
+#define M32_CHAN 32 /* We have 32 channels */
+#define M32_TS 32 /* We have 32 timeslots */
+
+#define NG_MN_NODE_TYPE "mn"
+
+#include <sys/param.h>
+#include <sys/kernel.h>
+#include <sys/sysctl.h>
+#include <sys/bus.h>
+#include <sys/mbuf.h>
+#include <sys/systm.h>
+#include <sys/malloc.h>
+
+#include <dev/pci/pcireg.h>
+#include <dev/pci/pcivar.h>
+#include "pci_if.h"
+
+#include <machine/bus.h>
+#include <machine/resource.h>
+
+#include <sys/rman.h>
+
+#include <vm/vm.h>
+#include <vm/pmap.h>
+
+#include <netgraph/ng_message.h>
+#include <netgraph/netgraph.h>
+
+
+static int mn_maxlatency = 1000;
+SYSCTL_INT(_debug, OID_AUTO, mn_maxlatency, CTLFLAG_RW,
+ &mn_maxlatency, 0,
+ "The number of milliseconds a packet is allowed to spend in the output queue. "
+ "If the output queue is longer than this number of milliseconds when the packet "
+ "arrives for output, the packet will be dropped."
+);
+
+#ifndef NMN
+/* Most machines don't support more than 4 busmaster PCI slots, if even that many */
+#define NMN 4
+#endif
+
+/* From: PEB 20321 data sheet, p187, table 22 */
+struct m32xreg {
+ u_int32_t conf, cmd, stat, imask;
+ u_int32_t fill10, piqba, piql, fill1c;
+ u_int32_t mode1, mode2, ccba, txpoll;
+ u_int32_t tiqba, tiql, riqba, riql;
+ u_int32_t lconf, lccba, fill48, ltran;
+ u_int32_t ltiqba, ltiql, lriqba, lriql;
+ u_int32_t lreg0, lreg1, lreg2, lreg3;
+ u_int32_t lreg4, lreg5, lre6, lstat;
+ u_int32_t gpdir, gpdata, gpod, fill8c;
+ u_int32_t ssccon, sscbr, ssctb, sscrb;
+ u_int32_t ssccse, sscim, fillab, fillac;
+ u_int32_t iomcon1, iomcon2, iomstat, fillbc;
+ u_int32_t iomcit0, iomcit1, iomcir0, iomcir1;
+ u_int32_t iomtmo, iomrmo, filld8, filldc;
+ u_int32_t mbcmd, mbdata1, mbdata2, mbdata3;
+ u_int32_t mbdata4, mbdata5, mbdata6, mbdata7;
+};
+
+/* From: PEB 2254 data sheet, p80, table 10 */
+struct f54wreg {
+ u_int16_t xfifo;
+ u_int8_t cmdr, mode, rah1, rah2, ral1, ral2;
+ u_int8_t ipc, ccr1, ccr3, pre, rtr1, rtr2, rtr3, rtr4;
+ u_int8_t ttr1, ttr2, ttr3, ttr4, imr0, imr1, imr2, imr3;
+ u_int8_t imr4, fill19, fmr0, fmr1, fmr2, loop, xsw, xsp;
+ u_int8_t xc0, xc1, rc0, rc1, xpm0, xpm1, xpm2, tswm;
+ u_int8_t test1, idle, xsa4, xsa5, xsa6, xsa7, xsa8, fmr3;
+ u_int8_t icb1, icb2, icb3, icb4, lim0, lim1, pcd, pcr;
+ u_int8_t lim2, fill39[7];
+ u_int8_t fill40[8];
+ u_int8_t fill48[8];
+ u_int8_t fill50[8];
+ u_int8_t fill58[8];
+ u_int8_t dec, fill61, test2, fill63[5];
+ u_int8_t fill68[8];
+ u_int8_t xs[16];
+};
+
+/* From: PEB 2254 data sheet, p117, table 10 */
+struct f54rreg {
+ u_int16_t rfifo;
+ u_int8_t fill2, mode, rah1, rah2, ral1, ral2;
+ u_int8_t ipc, ccr1, ccr3, pre, rtr1, rtr2, rtr3, rtr4;
+ u_int8_t ttr1, ttr2, ttr3, ttr4, imr0, imr1, imr2, imr3;
+ u_int8_t imr4, fill19, fmr0, fmr1, fmr2, loop, xsw, xsp;
+ u_int8_t xc0, xc1, rc0, rc1, xpm0, xpm1, xpm2, tswm;
+ u_int8_t test, idle, xsa4, xsa5, xsa6, xsa7, xsa8, fmr13;
+ u_int8_t icb1, icb2, icb3, icb4, lim0, lim1, pcd, pcr;
+ u_int8_t lim2, fill39[7];
+ u_int8_t fill40[8];
+ u_int8_t fill48[4], frs0, frs1, rsw, rsp;
+ u_int16_t fec, cvc, cec1, ebc;
+ u_int16_t cec2, cec3;
+ u_int8_t rsa4, rsa5, rsa6, rsa7;
+ u_int8_t rsa8, rsa6s, tsr0, tsr1, sis, rsis;
+ u_int16_t rbc;
+ u_int8_t isr0, isr1, isr2, isr3, fill6c, fill6d, gis, vstr;
+ u_int8_t rs[16];
+};
+
+/* Transmit & receive descriptors */
+struct trxd {
+ u_int32_t flags;
+ vm_offset_t next;
+ vm_offset_t data;
+ u_int32_t status; /* only used for receive */
+ struct mbuf *m; /* software use only */
+ struct trxd *vnext; /* software use only */
+};
+
+/* Channel specification */
+struct cspec {
+ u_int32_t flags;
+ vm_offset_t rdesc;
+ vm_offset_t tdesc;
+ u_int32_t itbs;
+};
+
+struct m32_mem {
+ vm_offset_t csa;
+ u_int32_t ccb;
+ u_int32_t reserve1[2];
+ u_int32_t ts[M32_TS];
+ struct cspec cs[M32_CHAN];
+ vm_offset_t crxd[M32_CHAN];
+ vm_offset_t ctxd[M32_CHAN];
+};
+
+struct mn_softc;
+struct sockaddr;
+struct rtentry;
+
+static int mn_probe(device_t self);
+static int mn_attach(device_t self);
+static void mn_create_channel(struct mn_softc *sc, int chan);
+static int mn_reset(struct mn_softc *sc);
+static struct trxd * mn_alloc_desc(void);
+static void mn_free_desc(struct trxd *dp);
+static void mn_intr(void *xsc);
+static u_int32_t mn_parse_ts(const char *s, int *nbit);
+#ifdef notyet
+static void m32_dump(struct mn_softc *sc);
+static void f54_dump(struct mn_softc *sc);
+static void mn_fmt_ts(char *p, u_int32_t ts);
+#endif /* notyet */
+static void f54_init(struct mn_softc *sc);
+
+static ng_constructor_t ngmn_constructor;
+static ng_rcvmsg_t ngmn_rcvmsg;
+static ng_shutdown_t ngmn_shutdown;
+static ng_newhook_t ngmn_newhook;
+static ng_connect_t ngmn_connect;
+static ng_rcvdata_t ngmn_rcvdata;
+static ng_disconnect_t ngmn_disconnect;
+
+static struct ng_type mntypestruct = {
+ .version = NG_ABI_VERSION,
+ .name = NG_MN_NODE_TYPE,
+ .constructor = ngmn_constructor,
+ .rcvmsg = ngmn_rcvmsg,
+ .shutdown = ngmn_shutdown,
+ .newhook = ngmn_newhook,
+ .connect = ngmn_connect,
+ .rcvdata = ngmn_rcvdata,
+ .disconnect = ngmn_disconnect,
+};
+
+static MALLOC_DEFINE(M_MN, "mn", "Mx driver related");
+
+#define NIQB 64
+
+struct schan {
+ enum {DOWN, UP} state;
+ struct mn_softc *sc;
+ int chan;
+ u_int32_t ts;
+ char name[8];
+ struct trxd *r1, *rl;
+ struct trxd *x1, *xl;
+ hook_p hook;
+
+ time_t last_recv;
+ time_t last_rxerr;
+ time_t last_xmit;
+
+ u_long rx_error;
+
+ u_long short_error;
+ u_long crc_error;
+ u_long dribble_error;
+ u_long long_error;
+ u_long abort_error;
+ u_long overflow_error;
+
+ int last_error;
+ int prev_error;
+
+ u_long tx_pending;
+ u_long tx_limit;
+};
+
+enum framing {WHOKNOWS, E1, E1U, T1, T1U};
+
+struct mn_softc {
+ int unit;
+ device_t dev;
+ struct resource *irq;
+ void *intrhand;
+ enum framing framing;
+ int nhooks;
+ void *m0v, *m1v;
+ vm_offset_t m0p, m1p;
+ struct m32xreg *m32x;
+ struct f54wreg *f54w;
+ struct f54rreg *f54r;
+ struct m32_mem m32_mem;
+ u_int32_t tiqb[NIQB];
+ u_int32_t riqb[NIQB];
+ u_int32_t piqb[NIQB];
+ u_int32_t ltiqb[NIQB];
+ u_int32_t lriqb[NIQB];
+ char name[8];
+ u_int32_t falc_irq, falc_state, framer_state;
+ struct schan *ch[M32_CHAN];
+ char nodename[NG_NODESIZ];
+ node_p node;
+
+ u_long cnt_fec;
+ u_long cnt_cvc;
+ u_long cnt_cec1;
+ u_long cnt_ebc;
+ u_long cnt_cec2;
+ u_long cnt_cec3;
+ u_long cnt_rbc;
+};
+
+static int
+ngmn_constructor(node_p node)
+{
+
+ return (EINVAL);
+}
+
+static int
+ngmn_shutdown(node_p nodep)
+{
+
+ return (EINVAL);
+}
+
+static void
+ngmn_config(node_p node, char *set, char *ret)
+{
+ struct mn_softc *sc;
+ enum framing wframing;
+
+ sc = NG_NODE_PRIVATE(node);
+
+ if (set != NULL) {
+ if (!strncmp(set, "line ", 5)) {
+ wframing = sc->framing;
+ if (!strcmp(set, "line e1")) {
+ wframing = E1;
+ } else if (!strcmp(set, "line e1u")) {
+ wframing = E1U;
+ } else {
+ strcat(ret, "ENOGROK\n");
+ return;
+ }
+ if (wframing == sc->framing)
+ return;
+ if (sc->nhooks > 0) {
+ sprintf(ret, "Cannot change line when %d hooks open\n", sc->nhooks);
+ return;
+ }
+ sc->framing = wframing;
+#if 1
+ f54_init(sc);
+#else
+ mn_reset(sc);
+#endif
+ } else {
+ printf("%s CONFIG SET [%s]\n", sc->nodename, set);
+ strcat(ret, "ENOGROK\n");
+ return;
+ }
+ }
+
+}
+
+static int
+ngmn_rcvmsg(node_p node, item_p item, hook_p lasthook)
+{
+ struct mn_softc *sc;
+ struct ng_mesg *resp = NULL;
+ struct schan *sch;
+ char *s, *r;
+ int pos, i;
+ struct ng_mesg *msg;
+
+ NGI_GET_MSG(item, msg);
+ sc = NG_NODE_PRIVATE(node);
+
+ if (msg->header.typecookie != NGM_GENERIC_COOKIE) {
+ NG_FREE_ITEM(item);
+ NG_FREE_MSG(msg);
+ return (EINVAL);
+ }
+
+ if (msg->header.cmd != NGM_TEXT_CONFIG &&
+ msg->header.cmd != NGM_TEXT_STATUS) {
+ NG_FREE_ITEM(item);
+ NG_FREE_MSG(msg);
+ return (EINVAL);
+ }
+
+ NG_MKRESPONSE(resp, msg, sizeof(struct ng_mesg) + NG_TEXTRESPONSE,
+ M_NOWAIT);
+ if (resp == NULL) {
+ NG_FREE_ITEM(item);
+ NG_FREE_MSG(msg);
+ return (ENOMEM);
+ }
+
+ if (msg->header.arglen)
+ s = (char *)msg->data;
+ else
+ s = NULL;
+ r = (char *)resp->data;
+ *r = '\0';
+
+ if (msg->header.cmd == NGM_TEXT_CONFIG) {
+ ngmn_config(node, s, r);
+ resp->header.arglen = strlen(r) + 1;
+ NG_RESPOND_MSG(i, node, item, resp);
+ NG_FREE_MSG(msg);
+ return (0);
+ }
+ pos = 0;
+ pos += sprintf(pos + r,"Framer status %b;\n", sc->framer_state, "\20"
+ "\40LOS\37AIS\36LFA\35RRA"
+ "\34AUXP\33NMF\32LMFA\31frs0.0"
+ "\30frs1.7\27TS16RA\26TS16LOS\25TS16AIS"
+ "\24TS16LFA\23frs1.2\22XLS\21XLO"
+ "\20RS1\17rsw.6\16RRA\15RY0"
+ "\14RY1\13RY2\12RY3\11RY4"
+ "\10SI1\7SI2\6rsp.5\5rsp.4"
+ "\4rsp.3\3RSIF\2RS13\1RS15");
+ pos += sprintf(pos + r," Framing errors: %lu", sc->cnt_fec);
+ pos += sprintf(pos + r," Code Violations: %lu\n", sc->cnt_cvc);
+
+ pos += sprintf(pos + r," Falc State %b;\n", sc->falc_state, "\20"
+ "\40LOS\37AIS\36LFA\35RRA"
+ "\34AUXP\33NMF\32LMFA\31frs0.0"
+ "\30frs1.7\27TS16RA\26TS16LOS\25TS16AIS"
+ "\24TS16LFA\23frs1.2\22XLS\21XLO"
+ "\20RS1\17rsw.6\16RRA\15RY0"
+ "\14RY1\13RY2\12RY3\11RY4"
+ "\10SI1\7SI2\6rsp.5\5rsp.4"
+ "\4rsp.3\3RSIF\2RS13\1RS15");
+ pos += sprintf(pos + r, " Falc IRQ %b\n", sc->falc_irq, "\20"
+ "\40RME\37RFS\36T8MS\35RMB\34CASC\33CRC4\32SA6SC\31RPF"
+ "\30b27\27RDO\26ALLS\25XDU\24XMB\23b22\22XLSC\21XPR"
+ "\20FAR\17LFA\16MFAR\15T400MS\14AIS\13LOS\12RAR\11RA"
+ "\10ES\7SEC\6LMFA16\5AIS16\4RA16\3API\2SLN\1SLP");
+ for (i = 0; i < M32_CHAN; i++) {
+ if (!sc->ch[i])
+ continue;
+ sch = sc->ch[i];
+
+ pos += sprintf(r + pos, " Chan %d <%s> ",
+ i, NG_HOOK_NAME(sch->hook));
+
+ pos += sprintf(r + pos, " Last Rx: ");
+ if (sch->last_recv)
+ pos += sprintf(r + pos, "%lu s",
+ (unsigned long)(time_second - sch->last_recv));
+ else
+ pos += sprintf(r + pos, "never");
+
+ pos += sprintf(r + pos, ", last RxErr: ");
+ if (sch->last_rxerr)
+ pos += sprintf(r + pos, "%lu s",
+ (unsigned long)(time_second - sch->last_rxerr));
+ else
+ pos += sprintf(r + pos, "never");
+
+ pos += sprintf(r + pos, ", last Tx: ");
+ if (sch->last_xmit)
+ pos += sprintf(r + pos, "%lu s\n",
+ (unsigned long)(time_second - sch->last_xmit));
+ else
+ pos += sprintf(r + pos, "never\n");
+
+ pos += sprintf(r + pos, " RX error(s) %lu", sch->rx_error);
+ pos += sprintf(r + pos, " Short: %lu", sch->short_error);
+ pos += sprintf(r + pos, " CRC: %lu", sch->crc_error);
+ pos += sprintf(r + pos, " Mod8: %lu", sch->dribble_error);
+ pos += sprintf(r + pos, " Long: %lu", sch->long_error);
+ pos += sprintf(r + pos, " Abort: %lu", sch->abort_error);
+ pos += sprintf(r + pos, " Overflow: %lu\n", sch->overflow_error);
+
+ pos += sprintf(r + pos, " Last error: %b Prev error: %b\n",
+ sch->last_error, "\20\7SHORT\5CRC\4MOD8\3LONG\2ABORT\1OVERRUN",
+ sch->prev_error, "\20\7SHORT\5CRC\4MOD8\3LONG\2ABORT\1OVERRUN");
+ pos += sprintf(r + pos, " Xmit bytes pending %ld\n",
+ sch->tx_pending);
+ }
+ resp->header.arglen = pos + 1;
+
+ /* Take care of synchronous response, if any */
+ NG_RESPOND_MSG(i, node, item, resp);
+ NG_FREE_MSG(msg);
+ return (0);
+}
+
+static int
+ngmn_newhook(node_p node, hook_p hook, const char *name)
+{
+ u_int32_t ts, chan;
+ struct mn_softc *sc;
+ int nbit;
+
+ sc = NG_NODE_PRIVATE(node);
+
+ if (name[0] != 't' || name[1] != 's')
+ return (EINVAL);
+
+ ts = mn_parse_ts(name + 2, &nbit);
+ printf("%d bits %x\n", nbit, ts);
+ if (sc->framing == E1 && (ts & 1))
+ return (EINVAL);
+ if (sc->framing == E1U && nbit != 32)
+ return (EINVAL);
+ if (ts == 0)
+ return (EINVAL);
+ if (sc->framing == E1)
+ chan = ffs(ts) - 1;
+ else
+ chan = 1;
+ if (!sc->ch[chan])
+ mn_create_channel(sc, chan);
+ else if (sc->ch[chan]->state == UP)
+ return (EBUSY);
+ sc->ch[chan]->ts = ts;
+ sc->ch[chan]->hook = hook;
+ sc->ch[chan]->tx_limit = nbit * 8;
+ NG_HOOK_SET_PRIVATE(hook, sc->ch[chan]);
+ sc->nhooks++;
+ return(0);
+}
+
+
+static struct trxd *mn_desc_free;
+
+static struct trxd *
+mn_alloc_desc(void)
+{
+ struct trxd *dp;
+
+ dp = mn_desc_free;
+ if (dp)
+ mn_desc_free = dp->vnext;
+ else
+ dp = (struct trxd *)malloc(sizeof *dp, M_MN, M_NOWAIT);
+ return (dp);
+}
+
+static void
+mn_free_desc(struct trxd *dp)
+{
+ dp->vnext = mn_desc_free;
+ mn_desc_free = dp;
+}
+
+static u_int32_t
+mn_parse_ts(const char *s, int *nbit)
+{
+ unsigned r;
+ int i, j;
+ char *p;
+
+ r = 0;
+ j = -1;
+ *nbit = 0;
+ while(*s) {
+ i = strtol(s, &p, 0);
+ if (i < 0 || i > 31)
+ return (0);
+ while (j != -1 && j < i) {
+ r |= 1 << j++;
+ (*nbit)++;
+ }
+ j = -1;
+ r |= 1 << i;
+ (*nbit)++;
+ if (*p == ',') {
+ s = p + 1;
+ continue;
+ } else if (*p == '-') {
+ j = i + 1;
+ s = p + 1;
+ continue;
+ } else if (!*p) {
+ break;
+ } else {
+ return (0);
+ }
+ }
+ return (r);
+}
+
+#ifdef notyet
+static void
+mn_fmt_ts(char *p, u_int32_t ts)
+{
+ char *s;
+ int j;
+
+ s = "";
+ ts &= 0xffffffff;
+ for (j = 0; j < 32; j++) {
+ if (!(ts & (1 << j)))
+ continue;
+ sprintf(p, "%s%d", s, j);
+ p += strlen(p);
+ s = ",";
+ if (!(ts & (1 << (j+1))))
+ continue;
+ for (; j < 32; j++)
+ if (!(ts & (1 << (j+1))))
+ break;
+ sprintf(p, "-%d", j);
+ p += strlen(p);
+ s = ",";
+ }
+}
+#endif /* notyet */
+
+/*
+ * OUTPUT
+ */
+
+static int
+ngmn_rcvdata(hook_p hook, item_p item)
+{
+ struct mbuf *m2;
+ struct trxd *dp, *dp2;
+ struct schan *sch;
+ struct mn_softc *sc;
+ int chan, pitch, len;
+ struct mbuf *m;
+
+ sch = NG_HOOK_PRIVATE(hook);
+ sc = sch->sc;
+ chan = sch->chan;
+
+ if (sch->state != UP) {
+ NG_FREE_ITEM(item);
+ return (0);
+ }
+ NGI_GET_M(item, m);
+ if (sch->tx_pending + m->m_pkthdr.len > sch->tx_limit * mn_maxlatency) {
+ NG_FREE_M(m);
+ NG_FREE_ITEM(item);
+ return (0);
+ }
+ NG_FREE_ITEM(item);
+ pitch = 0;
+ m2 = m;
+ dp2 = sc->ch[chan]->xl;
+ len = m->m_pkthdr.len;
+ while (len) {
+ dp = mn_alloc_desc();
+ if (!dp) {
+ pitch++;
+ m_freem(m);
+ sc->ch[chan]->xl = dp2;
+ dp = dp2->vnext;
+ while (dp) {
+ dp2 = dp->vnext;
+ mn_free_desc(dp);
+ dp = dp2;
+ }
+ sc->ch[chan]->xl->vnext = 0;
+ break;
+ }
+ dp->data = vtophys(m2->m_data);
+ dp->flags = m2->m_len << 16;
+ dp->flags += 1;
+ len -= m2->m_len;
+ dp->next = vtophys(dp);
+ dp->vnext = 0;
+ sc->ch[chan]->xl->next = vtophys(dp);
+ sc->ch[chan]->xl->vnext = dp;
+ sc->ch[chan]->xl = dp;
+ if (!len) {
+ dp->m = m;
+ dp->flags |= 0xc0000000;
+ dp2->flags &= ~0x40000000;
+ } else {
+ dp->m = 0;
+ m2 = m2->m_next;
+ }
+ }
+ if (pitch)
+ printf("%s%d: Short on mem, pitched %d packets\n",
+ sc->name, chan, pitch);
+ else {
+#if 0
+ printf("%d = %d + %d (%p)\n",
+ sch->tx_pending + m->m_pkthdr.len,
+ sch->tx_pending , m->m_pkthdr.len, m);
+#endif
+ sch->tx_pending += m->m_pkthdr.len;
+ sc->m32x->txpoll &= ~(1 << chan);
+ }
+ return (0);
+}
+
+/*
+ * OPEN
+ */
+static int
+ngmn_connect(hook_p hook)
+{
+ int i, nts, chan;
+ struct trxd *dp, *dp2;
+ struct mbuf *m;
+ struct mn_softc *sc;
+ struct schan *sch;
+ u_int32_t u;
+
+ sch = NG_HOOK_PRIVATE(hook);
+ chan = sch->chan;
+ sc = sch->sc;
+
+ if (sch->state == UP)
+ return (0);
+ sch->state = UP;
+
+ /* Count and configure the timeslots for this channel */
+ for (nts = i = 0; i < 32; i++)
+ if (sch->ts & (1 << i)) {
+ sc->m32_mem.ts[i] = 0x00ff00ff |
+ (chan << 24) | (chan << 8);
+ nts++;
+ }
+
+ /* Init the receiver & xmitter to HDLC */
+ sc->m32_mem.cs[chan].flags = 0x80e90006;
+ /* Allocate two buffers per timeslot */
+ if (nts == 32)
+ sc->m32_mem.cs[chan].itbs = 63;
+ else
+ sc->m32_mem.cs[chan].itbs = nts * 2;
+
+ /* Setup a transmit chain with one descriptor */
+ /* XXX: we actually send a 1 byte packet */
+ dp = mn_alloc_desc();
+ MGETHDR(m, M_WAIT, MT_DATA);
+ m->m_pkthdr.len = 0;
+ dp->m = m;
+ dp->flags = 0xc0000000 + (1 << 16);
+ dp->next = vtophys(dp);
+ dp->vnext = 0;
+ dp->data = vtophys(sc->name);
+ sc->m32_mem.cs[chan].tdesc = vtophys(dp);
+ sc->ch[chan]->x1 = dp;
+ sc->ch[chan]->xl = dp;
+
+ /* Setup a receive chain with 5 + NTS descriptors */
+
+ dp = mn_alloc_desc();
+ m = NULL;
+ MGETHDR(m, M_WAIT, MT_DATA);
+ MCLGET(m, M_WAIT);
+ dp->m = m;
+ dp->data = vtophys(m->m_data);
+ dp->flags = 0x40000000;
+ dp->flags += 1600 << 16;
+ dp->next = vtophys(dp);
+ dp->vnext = 0;
+ sc->ch[chan]->rl = dp;
+
+ for (i = 0; i < (nts + 10); i++) {
+ dp2 = dp;
+ dp = mn_alloc_desc();
+ m = NULL;
+ MGETHDR(m, M_WAIT, MT_DATA);
+ MCLGET(m, M_WAIT);
+ dp->m = m;
+ dp->data = vtophys(m->m_data);
+ dp->flags = 0x00000000;
+ dp->flags += 1600 << 16;
+ dp->next = vtophys(dp2);
+ dp->vnext = dp2;
+ }
+ sc->m32_mem.cs[chan].rdesc = vtophys(dp);
+ sc->ch[chan]->r1 = dp;
+
+ /* Initialize this channel */
+ sc->m32_mem.ccb = 0x00008000 + (chan << 8);
+ sc->m32x->cmd = 0x1;
+ DELAY(1000);
+ u = sc->m32x->stat;
+ if (!(u & 1))
+ printf("%s: init chan %d stat %08x\n", sc->name, chan, u);
+ sc->m32x->stat = 1;
+ /* probably not at splnet, force outward queueing */
+ NG_HOOK_FORCE_QUEUE(NG_HOOK_PEER(hook));
+
+ return (0);
+}
+
+/*
+ * CLOSE
+ */
+static int
+ngmn_disconnect(hook_p hook)
+{
+ int chan, i;
+ struct mn_softc *sc;
+ struct schan *sch;
+ struct trxd *dp, *dp2;
+ u_int32_t u;
+
+ sch = NG_HOOK_PRIVATE(hook);
+ chan = sch->chan;
+ sc = sch->sc;
+
+ if (sch->state == DOWN)
+ return (0);
+ sch->state = DOWN;
+
+ /* Set receiver & transmitter off */
+ sc->m32_mem.cs[chan].flags = 0x80920006;
+ sc->m32_mem.cs[chan].itbs = 0;
+
+ /* free the timeslots */
+ for (i = 0; i < 32; i++)
+ if (sc->ch[chan]->ts & (1 << i))
+ sc->m32_mem.ts[i] = 0x20002000;
+
+ /* Initialize this channel */
+ sc->m32_mem.ccb = 0x00008000 + (chan << 8);
+ sc->m32x->cmd = 0x1;
+ DELAY(30);
+ u = sc->m32x->stat;
+ if (!(u & 1))
+ printf("%s: zap chan %d stat %08x\n", sc->name, chan, u);
+ sc->m32x->stat = 1;
+
+ /* Free all receive descriptors and mbufs */
+ for (dp = sc->ch[chan]->r1; dp ; dp = dp2) {
+ if (dp->m)
+ m_freem(dp->m);
+ sc->ch[chan]->r1 = dp2 = dp->vnext;
+ mn_free_desc(dp);
+ }
+
+ /* Free all transmit descriptors and mbufs */
+ for (dp = sc->ch[chan]->x1; dp ; dp = dp2) {
+ if (dp->m) {
+ sc->ch[chan]->tx_pending -= dp->m->m_pkthdr.len;
+ m_freem(dp->m);
+ }
+ sc->ch[chan]->x1 = dp2 = dp->vnext;
+ mn_free_desc(dp);
+ }
+ sc->nhooks--;
+ return(0);
+}
+
+/*
+ * Create a new channel.
+ */
+static void
+mn_create_channel(struct mn_softc *sc, int chan)
+{
+ struct schan *sch;
+
+ sch = sc->ch[chan] = (struct schan *)malloc(sizeof *sc->ch[chan],
+ M_MN, M_WAITOK | M_ZERO);
+ sch->sc = sc;
+ sch->state = DOWN;
+ sch->chan = chan;
+ sprintf(sch->name, "%s%d", sc->name, chan);
+ return;
+}
+
+#ifdef notyet
+/*
+ * Dump Munich32x state
+ */
+static void
+m32_dump(struct mn_softc *sc)
+{
+ u_int32_t *tp4;
+ int i, j;
+
+ printf("mn%d: MUNICH32X dump\n", sc->unit);
+ tp4 = (u_int32_t *)sc->m0v;
+ for(j = 0; j < 64; j += 8) {
+ printf("%02x", j * sizeof *tp4);
+ for(i = 0; i < 8; i++)
+ printf(" %08x", tp4[i+j]);
+ printf("\n");
+ }
+ for(j = 0; j < M32_CHAN; j++) {
+ if (!sc->ch[j])
+ continue;
+ printf("CH%d: state %d ts %08x",
+ j, sc->ch[j]->state, sc->ch[j]->ts);
+ printf(" %08x %08x %08x %08x %08x %08x\n",
+ sc->m32_mem.cs[j].flags,
+ sc->m32_mem.cs[j].rdesc,
+ sc->m32_mem.cs[j].tdesc,
+ sc->m32_mem.cs[j].itbs,
+ sc->m32_mem.crxd[j],
+ sc->m32_mem.ctxd[j] );
+ }
+}
+
+/*
+ * Dump Falch54 state
+ */
+static void
+f54_dump(struct mn_softc *sc)
+{
+ u_int8_t *tp1;
+ int i, j;
+
+ printf("%s: FALC54 dump\n", sc->name);
+ tp1 = (u_int8_t *)sc->m1v;
+ for(j = 0; j < 128; j += 16) {
+ printf("%s: %02x |", sc->name, j * sizeof *tp1);
+ for(i = 0; i < 16; i++)
+ printf(" %02x", tp1[i+j]);
+ printf("\n");
+ }
+}
+#endif /* notyet */
+
+/*
+ * Init Munich32x
+ */
+static void
+m32_init(struct mn_softc *sc)
+{
+
+ sc->m32x->conf = 0x00000000;
+ sc->m32x->mode1 = 0x81048000 + 1600; /* XXX: temp */
+#if 1
+ sc->m32x->mode2 = 0x00000081;
+ sc->m32x->txpoll = 0xffffffff;
+#elif 1
+ sc->m32x->mode2 = 0x00000081;
+ sc->m32x->txpoll = 0xffffffff;
+#else
+ sc->m32x->mode2 = 0x00000101;
+#endif
+ sc->m32x->lconf = 0x6060009B;
+ sc->m32x->imask = 0x00000000;
+}
+
+/*
+ * Init the Falc54
+ */
+static void
+f54_init(struct mn_softc *sc)
+{
+ sc->f54w->ipc = 0x07;
+
+ sc->f54w->xpm0 = 0xbd;
+ sc->f54w->xpm1 = 0x03;
+ sc->f54w->xpm2 = 0x00;
+
+ sc->f54w->imr0 = 0x18; /* RMB, CASC */
+ sc->f54w->imr1 = 0x08; /* XMB */
+ sc->f54w->imr2 = 0x00;
+ sc->f54w->imr3 = 0x38; /* LMFA16, AIS16, RA16 */
+ sc->f54w->imr4 = 0x00;
+
+ sc->f54w->fmr0 = 0xf0; /* X: HDB3, R: HDB3 */
+ sc->f54w->fmr1 = 0x0e; /* Send CRC4, 2Mbit, ECM */
+ if (sc->framing == E1)
+ sc->f54w->fmr2 = 0x03; /* Auto Rem-Alarm, Auto resync */
+ else if (sc->framing == E1U)
+ sc->f54w->fmr2 = 0x33; /* dais, rtm, Auto Rem-Alarm, Auto resync */
+
+ sc->f54w->lim1 = 0xb0; /* XCLK=8kHz, .62V threshold */
+ sc->f54w->pcd = 0x0a;
+ sc->f54w->pcr = 0x15;
+ sc->f54w->xsw = 0x9f; /* fmr4 */
+ if (sc->framing == E1)
+ sc->f54w->xsp = 0x1c; /* fmr5 */
+ else if (sc->framing == E1U)
+ sc->f54w->xsp = 0x3c; /* tt0, fmr5 */
+ sc->f54w->xc0 = 0x07;
+ sc->f54w->xc1 = 0x3d;
+ sc->f54w->rc0 = 0x05;
+ sc->f54w->rc1 = 0x00;
+ sc->f54w->cmdr = 0x51;
+}
+
+static int
+mn_reset(struct mn_softc *sc)
+{
+ u_int32_t u;
+ int i;
+
+ sc->m32x->ccba = vtophys(&sc->m32_mem.csa);
+ sc->m32_mem.csa = vtophys(&sc->m32_mem.ccb);
+
+ bzero(sc->tiqb, sizeof sc->tiqb);
+ sc->m32x->tiqba = vtophys(&sc->tiqb);
+ sc->m32x->tiql = NIQB / 16 - 1;
+
+ bzero(sc->riqb, sizeof sc->riqb);
+ sc->m32x->riqba = vtophys(&sc->riqb);
+ sc->m32x->riql = NIQB / 16 - 1;
+
+ bzero(sc->ltiqb, sizeof sc->ltiqb);
+ sc->m32x->ltiqba = vtophys(&sc->ltiqb);
+ sc->m32x->ltiql = NIQB / 16 - 1;
+
+ bzero(sc->lriqb, sizeof sc->lriqb);
+ sc->m32x->lriqba = vtophys(&sc->lriqb);
+ sc->m32x->lriql = NIQB / 16 - 1;
+
+ bzero(sc->piqb, sizeof sc->piqb);
+ sc->m32x->piqba = vtophys(&sc->piqb);
+ sc->m32x->piql = NIQB / 16 - 1;
+
+ m32_init(sc);
+ f54_init(sc);
+
+ u = sc->m32x->stat;
+ sc->m32x->stat = u;
+ sc->m32_mem.ccb = 0x4;
+ sc->m32x->cmd = 0x1;
+ DELAY(1000);
+ u = sc->m32x->stat;
*** DIFF OUTPUT TRUNCATED AT 1000 LINES ***
More information about the svn-src-all
mailing list