git: 0cff00ae682a - main - retire obsolete mn(4) sync serial driver
Ed Maste
emaste at FreeBSD.org
Mon Mar 22 19:07:23 UTC 2021
The branch main has been updated by emaste:
URL: https://cgit.FreeBSD.org/src/commit/?id=0cff00ae682a032dec29494f88c76d78a08edfa1
commit 0cff00ae682a032dec29494f88c76d78a08edfa1
Author: Ed Maste <emaste at FreeBSD.org>
AuthorDate: 2021-03-22 19:06:51 +0000
Commit: Ed Maste <emaste at FreeBSD.org>
CommitDate: 2021-03-22 19:06:51 +0000
retire obsolete mn(4) sync serial driver
Approved by: phk
Relnotes: yes
---
ObsoleteFiles.inc | 4 +
share/man/man4/Makefile | 2 -
share/man/man4/mn.4 | 61 --
sys/conf/NOTES | 2 -
sys/conf/files | 1 -
sys/dev/mn/if_mn.c | 1431 -----------------------------------------------
6 files changed, 4 insertions(+), 1497 deletions(-)
diff --git a/ObsoleteFiles.inc b/ObsoleteFiles.inc
index 2132dc4289b4..f4c6909cc10a 100644
--- a/ObsoleteFiles.inc
+++ b/ObsoleteFiles.inc
@@ -36,6 +36,10 @@
# xargs -n1 | sort | uniq -d;
# done
+# 20210322: retire mn(4) sync serial driver
+OLD_FILES+=usr/share/man/man4/if_mn.4.gz
+OLD_FILES+=usr/share/man/man4/mn.4.gz
+
# 20210318: remove the terminfo database
OLD_FILES+=usr/share/terminfo/1/1178
OLD_FILES+=usr/share/terminfo/1/1730-lm
diff --git a/share/man/man4/Makefile b/share/man/man4/Makefile
index c29bb80c7a58..f5a8f98b5bab 100644
--- a/share/man/man4/Makefile
+++ b/share/man/man4/Makefile
@@ -307,7 +307,6 @@ MAN= aac.4 \
mly.4 \
mmc.4 \
mmcsd.4 \
- mn.4 \
mod_cc.4 \
mos.4 \
mouse.4 \
@@ -710,7 +709,6 @@ MLINKS+=mem.4 kmem.4
MLINKS+=mfi.4 mfi_linux.4 \
mfi.4 mfip.4
MLINKS+=mlx5en.4 mce.4
-MLINKS+=mn.4 if_mn.4
MLINKS+=mos.4 if_mos.4
MLINKS+=msk.4 if_msk.4
MLINKS+=mwl.4 if_mwl.4
diff --git a/share/man/man4/mn.4 b/share/man/man4/mn.4
deleted file mode 100644
index f034a1b10d45..000000000000
--- a/share/man/man4/mn.4
+++ /dev/null
@@ -1,61 +0,0 @@
-.\" Copyright (c) 2005 Christian Brueffer
-.\" All rights reserved.
-.\"
-.\" Redistribution and use in source and binary forms, with or without
-.\" modification, are permitted provided that the following conditions
-.\" are met:
-.\" 1. Redistributions of source code must retain the above copyright
-.\" notice, this list of conditions and the following disclaimer.
-.\" 2. Redistributions in binary form must reproduce the above copyright
-.\" notice, this list of conditions and the following disclaimer in the
-.\" documentation and/or other materials provided with the distribution.
-.\"
-.\" THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND ITS AND CONTRIBUTORS
-.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
-.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
-.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR THE CONTRIBUTORS
-.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
-.\" POSSIBILITY OF SUCH DAMAGE.
-.\"
-.\" $FreeBSD$
-.\"
-.Dd December 6, 2020
-.Dt MN 4
-.Os
-.Sh NAME
-.Nm mn
-.Nd "Siemens Easy321-R1 E1/T1 device driver"
-.Sh SYNOPSIS
-.Cd "device mn"
-.Cd "options NETGRAPH"
-.Sh DEPRECATION NOTICE
-The
-.Nm
-driver is not present in
-.Fx 13.0
-and later.
-.Sh HARDWARE
-The
-.Nm
-driver provides support for the Siemens Easy321-R1 E1/T1 reference
-design card.
-.Sh SEE ALSO
-.Xr netgraph 4 ,
-.Xr netintro 4 ,
-.Xr pci 4 ,
-.Xr ifconfig 8
-.Sh HISTORY
-The
-.Nm
-driver first appeared in
-.Fx 4.0 .
-.Sh AUTHORS
-The
-.Nm
-driver was written by
-.An Poul-Henning Kamp Aq Mt phk at FreeBSD.org .
diff --git a/sys/conf/NOTES b/sys/conf/NOTES
index f73b5a466366..0d9a64a88b0f 100644
--- a/sys/conf/NOTES
+++ b/sys/conf/NOTES
@@ -824,8 +824,6 @@ options NGATM_SSCFU
options NGATM_UNI
options NGATM_CCATM
-device mn # Munich32x/Falc54 Nx64kbit/sec cards.
-
# Network stack virtualization.
options VIMAGE
options VNET_DEBUG # debug for VIMAGE
diff --git a/sys/conf/files b/sys/conf/files
index ea2bd6db4ab0..c3f36ca07022 100644
--- a/sys/conf/files
+++ b/sys/conf/files
@@ -2475,7 +2475,6 @@ dev/mmc/mmcbus_if.m standard
dev/mmc/mmcsd.c optional mmcsd !mmccam
dev/mmc/mmc_fdt_helpers.c optional mmc fdt | mmccam fdt
dev/mmcnull/mmcnull.c optional mmcnull
-dev/mn/if_mn.c optional mn pci
dev/mpr/mpr.c optional mpr
dev/mpr/mpr_config.c optional mpr
# XXX Work around clang warning, until maintainer approves fix.
diff --git a/sys/dev/mn/if_mn.c b/sys/dev/mn/if_mn.c
deleted file mode 100644
index bb329b24c24e..000000000000
--- a/sys/dev/mn/if_mn.c
+++ /dev/null
@@ -1,1431 +0,0 @@
-/*-
- * SPDX-License-Identifier: Beerware
- *
- * ----------------------------------------------------------------------------
- * "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;
-
-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 = NULL;
- 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 = NULL;
- 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 = NULL;
- 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_WAITOK, MT_DATA);
- m->m_pkthdr.len = 0;
- dp->m = m;
- dp->flags = 0xc0000000 + (1 << 16);
- dp->next = vtophys(dp);
- dp->vnext = NULL;
- 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_WAITOK, MT_DATA);
- MCLGET(m, M_WAITOK);
- dp->m = m;
- dp->data = vtophys(m->m_data);
- dp->flags = 0x40000000;
- dp->flags += 1600 << 16;
- dp->next = vtophys(dp);
- dp->vnext = NULL;
- sc->ch[chan]->rl = dp;
-
- for (i = 0; i < (nts + 10); i++) {
- dp2 = dp;
- dp = mn_alloc_desc();
- m = NULL;
- MGETHDR(m, M_WAITOK, MT_DATA);
- MCLGET(m, M_WAITOK);
- 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;
-
- 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)
*** 600 LINES SKIPPED ***
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