WAN: Port LMC driver to generic HDLC
Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl>
This commit is contained in:
Krzysztof Hałasa
parent
52e8a6a2d8
commit
64bef7630a
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@ -61,7 +61,7 @@ config COSA
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#
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config LANMEDIA
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tristate "LanMedia Corp. SSI/V.35, T1/E1, HSSI, T3 boards"
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depends on PCI && VIRT_TO_BUS
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depends on PCI && VIRT_TO_BUS && HDLC
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---help---
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Driver for the following Lan Media family of serial boards:
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@ -78,9 +78,8 @@ config LANMEDIA
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- LMC 5245 board connects directly to a T3 circuit saving the
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additional external hardware.
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To change setting such as syncPPP vs Cisco HDLC or clock source you
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will need lmcctl. It is available at <ftp://ftp.lanmedia.com/>
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(broken link).
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To change setting such as clock source you will need lmcctl.
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It is available at <ftp://ftp.lanmedia.com/> (broken link).
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To compile this driver as a module, choose M here: the
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module will be called lmc.
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@ -26,7 +26,6 @@ obj-$(CONFIG_SEALEVEL_4021) += z85230.o sealevel.o
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obj-$(CONFIG_COSA) += cosa.o
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obj-$(CONFIG_FARSYNC) += farsync.o
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obj-$(CONFIG_DSCC4) += dscc4.o
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obj-$(CONFIG_LANMEDIA) += syncppp.o
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obj-$(CONFIG_X25_ASY) += x25_asy.o
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obj-$(CONFIG_LANMEDIA) += lmc/
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@ -61,7 +61,7 @@
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/*
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* IFTYPE defines
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*/
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#define LMC_PPP 1 /* use sppp interface */
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#define LMC_PPP 1 /* use generic HDLC interface */
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#define LMC_NET 2 /* use direct net interface */
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#define LMC_RAW 3 /* use direct net interface */
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File diff suppressed because it is too large
Load Diff
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@ -425,7 +425,7 @@ lmc_ds3_set_scram (lmc_softc_t * const sc, int ie)
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static int
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lmc_ds3_get_link_status (lmc_softc_t * const sc)
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{
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u_int16_t link_status, link_status_11;
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u16 link_status, link_status_11;
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int ret = 1;
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lmc_mii_writereg (sc, 0, 17, 7);
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@ -447,7 +447,7 @@ lmc_ds3_get_link_status (lmc_softc_t * const sc)
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(link_status & LMC_FRAMER_REG0_OOFS)){
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ret = 0;
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if(sc->last_led_err[3] != 1){
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u16 r1;
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u16 r1;
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lmc_mii_writereg (sc, 0, 17, 01); /* Turn on Xbit error as our cisco does */
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r1 = lmc_mii_readreg (sc, 0, 18);
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r1 &= 0xfe;
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@ -460,7 +460,7 @@ lmc_ds3_get_link_status (lmc_softc_t * const sc)
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else {
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lmc_led_off(sc, LMC_DS3_LED3); /* turn on red LED */
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if(sc->last_led_err[3] == 1){
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u16 r1;
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u16 r1;
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lmc_mii_writereg (sc, 0, 17, 01); /* Turn off Xbit error */
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r1 = lmc_mii_readreg (sc, 0, 18);
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r1 |= 0x01;
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@ -538,20 +538,19 @@ lmc_ds3_watchdog (lmc_softc_t * const sc)
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* SSI methods
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*/
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static void
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lmc_ssi_init (lmc_softc_t * const sc)
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static void lmc_ssi_init(lmc_softc_t * const sc)
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{
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u_int16_t mii17;
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int cable;
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u16 mii17;
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int cable;
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sc->ictl.cardtype = LMC_CTL_CARDTYPE_LMC1000;
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sc->ictl.cardtype = LMC_CTL_CARDTYPE_LMC1000;
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mii17 = lmc_mii_readreg (sc, 0, 17);
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mii17 = lmc_mii_readreg(sc, 0, 17);
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cable = (mii17 & LMC_MII17_SSI_CABLE_MASK) >> LMC_MII17_SSI_CABLE_SHIFT;
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sc->ictl.cable_type = cable;
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cable = (mii17 & LMC_MII17_SSI_CABLE_MASK) >> LMC_MII17_SSI_CABLE_SHIFT;
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sc->ictl.cable_type = cable;
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lmc_gpio_mkoutput (sc, LMC_GEP_SSI_TXCLOCK);
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lmc_gpio_mkoutput(sc, LMC_GEP_SSI_TXCLOCK);
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}
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static void
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@ -679,11 +678,11 @@ lmc_ssi_set_speed (lmc_softc_t * const sc, lmc_ctl_t * ctl)
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static int
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lmc_ssi_get_link_status (lmc_softc_t * const sc)
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{
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u_int16_t link_status;
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u16 link_status;
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u_int32_t ticks;
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int ret = 1;
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int hw_hdsk = 1;
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/*
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* missing CTS? Hmm. If we require CTS on, we may never get the
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* link to come up, so omit it in this test.
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@ -718,9 +717,9 @@ lmc_ssi_get_link_status (lmc_softc_t * const sc)
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}
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else if (ticks == 0 ) { /* no clock found ? */
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ret = 0;
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if(sc->last_led_err[3] != 1){
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sc->stats.tx_lossOfClockCnt++;
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printk(KERN_WARNING "%s: Lost Clock, Link Down\n", sc->name);
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if (sc->last_led_err[3] != 1) {
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sc->extra_stats.tx_lossOfClockCnt++;
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printk(KERN_WARNING "%s: Lost Clock, Link Down\n", sc->name);
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}
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sc->last_led_err[3] = 1;
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lmc_led_on (sc, LMC_MII16_LED3); /* turn ON red LED */
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@ -885,19 +884,13 @@ write_av9110 (lmc_softc_t * sc, u_int32_t n, u_int32_t m, u_int32_t v,
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| LMC_GEP_SSI_GENERATOR));
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}
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static void
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lmc_ssi_watchdog (lmc_softc_t * const sc)
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static void lmc_ssi_watchdog(lmc_softc_t * const sc)
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{
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u_int16_t mii17 = lmc_mii_readreg (sc, 0, 17);
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if (((mii17 >> 3) & 7) == 7)
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{
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lmc_led_off (sc, LMC_MII16_LED2);
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}
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else
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{
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lmc_led_on (sc, LMC_MII16_LED2);
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}
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u16 mii17 = lmc_mii_readreg(sc, 0, 17);
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if (((mii17 >> 3) & 7) == 7)
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lmc_led_off(sc, LMC_MII16_LED2);
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else
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lmc_led_on(sc, LMC_MII16_LED2);
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}
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/*
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@ -927,7 +920,7 @@ lmc_t1_read (lmc_softc_t * const sc, int a)
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static void
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lmc_t1_init (lmc_softc_t * const sc)
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{
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u_int16_t mii16;
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u16 mii16;
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int i;
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sc->ictl.cardtype = LMC_CTL_CARDTYPE_LMC1200;
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@ -1026,7 +1019,7 @@ lmc_t1_set_status (lmc_softc_t * const sc, lmc_ctl_t * ctl)
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*/ static int
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lmc_t1_get_link_status (lmc_softc_t * const sc)
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{
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u_int16_t link_status;
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u16 link_status;
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int ret = 1;
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/* LMC5245 (DS3) & LMC1200 (DS1) LED definitions
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@ -36,9 +36,6 @@
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#include <linux/workqueue.h>
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#include <linux/proc_fs.h>
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#include <linux/bitops.h>
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#include <net/syncppp.h>
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#include <asm/processor.h> /* Processor type for cache alignment. */
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#include <asm/io.h>
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#include <asm/dma.h>
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@ -50,48 +47,6 @@
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#include "lmc_ioctl.h"
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#include "lmc_proto.h"
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/*
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* The compile-time variable SPPPSTUP causes the module to be
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* compiled without referencing any of the sync ppp routines.
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*/
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#ifdef SPPPSTUB
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#define SPPP_detach(d) (void)0
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#define SPPP_open(d) 0
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#define SPPP_reopen(d) (void)0
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#define SPPP_close(d) (void)0
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#define SPPP_attach(d) (void)0
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#define SPPP_do_ioctl(d,i,c) -EOPNOTSUPP
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#else
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#define SPPP_attach(x) sppp_attach((x)->pd)
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#define SPPP_detach(x) sppp_detach((x)->pd->dev)
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#define SPPP_open(x) sppp_open((x)->pd->dev)
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#define SPPP_reopen(x) sppp_reopen((x)->pd->dev)
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#define SPPP_close(x) sppp_close((x)->pd->dev)
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#define SPPP_do_ioctl(x, y, z) sppp_do_ioctl((x)->pd->dev, (y), (z))
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#endif
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// init
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void lmc_proto_init(lmc_softc_t *sc) /*FOLD00*/
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{
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lmc_trace(sc->lmc_device, "lmc_proto_init in");
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switch(sc->if_type){
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case LMC_PPP:
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sc->pd = kmalloc(sizeof(struct ppp_device), GFP_KERNEL);
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if (!sc->pd) {
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printk("lmc_proto_init(): kmalloc failure!\n");
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return;
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}
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sc->pd->dev = sc->lmc_device;
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sc->if_ptr = sc->pd;
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break;
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case LMC_RAW:
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break;
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default:
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break;
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}
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lmc_trace(sc->lmc_device, "lmc_proto_init out");
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}
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// attach
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void lmc_proto_attach(lmc_softc_t *sc) /*FOLD00*/
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{
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@ -100,7 +55,6 @@ void lmc_proto_attach(lmc_softc_t *sc) /*FOLD00*/
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case LMC_PPP:
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{
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struct net_device *dev = sc->lmc_device;
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SPPP_attach(sc);
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dev->do_ioctl = lmc_ioctl;
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}
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break;
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@ -108,7 +62,7 @@ void lmc_proto_attach(lmc_softc_t *sc) /*FOLD00*/
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{
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struct net_device *dev = sc->lmc_device;
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/*
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* They set a few basics because they don't use sync_ppp
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* They set a few basics because they don't use HDLC
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*/
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dev->flags |= IFF_POINTOPOINT;
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@ -124,88 +78,39 @@ void lmc_proto_attach(lmc_softc_t *sc) /*FOLD00*/
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lmc_trace(sc->lmc_device, "lmc_proto_attach out");
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}
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// detach
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void lmc_proto_detach(lmc_softc_t *sc) /*FOLD00*/
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int lmc_proto_ioctl(lmc_softc_t *sc, struct ifreq *ifr, int cmd)
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{
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switch(sc->if_type){
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case LMC_PPP:
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SPPP_detach(sc);
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break;
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case LMC_RAW: /* Tell someone we're detaching? */
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break;
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default:
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break;
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}
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lmc_trace(sc->lmc_device, "lmc_proto_ioctl");
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if (sc->if_type == LMC_PPP)
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return hdlc_ioctl(sc->lmc_device, ifr, cmd);
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return -EOPNOTSUPP;
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}
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// reopen
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void lmc_proto_reopen(lmc_softc_t *sc) /*FOLD00*/
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int lmc_proto_open(lmc_softc_t *sc)
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{
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lmc_trace(sc->lmc_device, "lmc_proto_reopen in");
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switch(sc->if_type){
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case LMC_PPP:
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SPPP_reopen(sc);
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break;
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case LMC_RAW: /* Reset the interface after being down, prerape to receive packets again */
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break;
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default:
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break;
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}
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lmc_trace(sc->lmc_device, "lmc_proto_reopen out");
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int ret = 0;
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lmc_trace(sc->lmc_device, "lmc_proto_open in");
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if (sc->if_type == LMC_PPP) {
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ret = hdlc_open(sc->lmc_device);
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if (ret < 0)
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printk(KERN_WARNING "%s: HDLC open failed: %d\n",
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sc->name, ret);
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}
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lmc_trace(sc->lmc_device, "lmc_proto_open out");
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return ret;
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}
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// ioctl
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int lmc_proto_ioctl(lmc_softc_t *sc, struct ifreq *ifr, int cmd) /*FOLD00*/
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void lmc_proto_close(lmc_softc_t *sc)
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{
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lmc_trace(sc->lmc_device, "lmc_proto_ioctl out");
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switch(sc->if_type){
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case LMC_PPP:
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return SPPP_do_ioctl (sc, ifr, cmd);
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break;
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default:
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return -EOPNOTSUPP;
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break;
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}
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lmc_trace(sc->lmc_device, "lmc_proto_ioctl out");
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}
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lmc_trace(sc->lmc_device, "lmc_proto_close in");
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// open
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void lmc_proto_open(lmc_softc_t *sc) /*FOLD00*/
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{
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int ret;
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if (sc->if_type == LMC_PPP)
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hdlc_close(sc->lmc_device);
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lmc_trace(sc->lmc_device, "lmc_proto_open in");
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switch(sc->if_type){
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case LMC_PPP:
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ret = SPPP_open(sc);
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if(ret < 0)
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printk("%s: syncPPP open failed: %d\n", sc->name, ret);
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break;
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case LMC_RAW: /* We're about to start getting packets! */
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break;
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default:
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break;
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}
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lmc_trace(sc->lmc_device, "lmc_proto_open out");
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}
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// close
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void lmc_proto_close(lmc_softc_t *sc) /*FOLD00*/
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{
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lmc_trace(sc->lmc_device, "lmc_proto_close in");
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switch(sc->if_type){
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case LMC_PPP:
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SPPP_close(sc);
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break;
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case LMC_RAW: /* Interface going down */
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break;
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default:
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break;
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}
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lmc_trace(sc->lmc_device, "lmc_proto_close out");
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lmc_trace(sc->lmc_device, "lmc_proto_close out");
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}
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__be16 lmc_proto_type(lmc_softc_t *sc, struct sk_buff *skb) /*FOLD00*/
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@ -213,8 +118,8 @@ __be16 lmc_proto_type(lmc_softc_t *sc, struct sk_buff *skb) /*FOLD00*/
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lmc_trace(sc->lmc_device, "lmc_proto_type in");
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switch(sc->if_type){
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case LMC_PPP:
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return htons(ETH_P_WAN_PPP);
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break;
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return hdlc_type_trans(skb, sc->lmc_device);
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break;
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case LMC_NET:
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return htons(ETH_P_802_2);
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break;
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@ -245,4 +150,3 @@ void lmc_proto_netif(lmc_softc_t *sc, struct sk_buff *skb) /*FOLD00*/
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}
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lmc_trace(sc->lmc_device, "lmc_proto_netif out");
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}
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@ -1,16 +1,18 @@
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#ifndef _LMC_PROTO_H_
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#define _LMC_PROTO_H_
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void lmc_proto_init(lmc_softc_t *sc);
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#include <linux/hdlc.h>
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void lmc_proto_attach(lmc_softc_t *sc);
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void lmc_proto_detach(lmc_softc_t *sc);
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void lmc_proto_reopen(lmc_softc_t *sc);
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int lmc_proto_ioctl(lmc_softc_t *sc, struct ifreq *ifr, int cmd);
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void lmc_proto_open(lmc_softc_t *sc);
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int lmc_proto_open(lmc_softc_t *sc);
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void lmc_proto_close(lmc_softc_t *sc);
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__be16 lmc_proto_type(lmc_softc_t *sc, struct sk_buff *skb);
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void lmc_proto_netif(lmc_softc_t *sc, struct sk_buff *skb);
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int lmc_skb_rawpackets(char *buf, char **start, off_t offset, int len, int unused);
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static inline lmc_softc_t* dev_to_sc(struct net_device *dev)
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{
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return (lmc_softc_t *)dev_to_hdlc(dev)->priv;
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}
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#endif
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@ -1,8 +1,6 @@
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#ifndef _LMC_VAR_H_
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#define _LMC_VAR_H_
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/* $Id: lmc_var.h,v 1.17 2000/04/06 12:16:47 asj Exp $ */
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/*
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* Copyright (c) 1997-2000 LAN Media Corporation (LMC)
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* All rights reserved. www.lanmedia.com
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@ -19,23 +17,6 @@
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#include <linux/timer.h>
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||||
#ifndef __KERNEL__
|
||||
typedef signed char s8;
|
||||
typedef unsigned char u8;
|
||||
|
||||
typedef signed short s16;
|
||||
typedef unsigned short u16;
|
||||
|
||||
typedef signed int s32;
|
||||
typedef unsigned int u32;
|
||||
|
||||
typedef signed long long s64;
|
||||
typedef unsigned long long u64;
|
||||
|
||||
#define BITS_PER_LONG 32
|
||||
|
||||
#endif
|
||||
|
||||
/*
|
||||
* basic definitions used in lmc include files
|
||||
*/
|
||||
|
|
@ -45,9 +26,6 @@ typedef struct lmc___media lmc_media_t;
|
|||
typedef struct lmc___ctl lmc_ctl_t;
|
||||
|
||||
#define lmc_csrptr_t unsigned long
|
||||
#define u_int16_t u16
|
||||
#define u_int8_t u8
|
||||
#define tulip_uint32_t u32
|
||||
|
||||
#define LMC_REG_RANGE 0x80
|
||||
|
||||
|
|
@ -244,46 +222,8 @@ struct lmc___media {
|
|||
|
||||
#define STATCHECK 0xBEEFCAFE
|
||||
|
||||
/* Included in this structure are first
|
||||
* - standard net_device_stats
|
||||
* - some other counters used for debug and driver performance
|
||||
* evaluation -baz
|
||||
*/
|
||||
struct lmc_statistics
|
||||
struct lmc_extra_statistics
|
||||
{
|
||||
unsigned long rx_packets; /* total packets received */
|
||||
unsigned long tx_packets; /* total packets transmitted */
|
||||
unsigned long rx_bytes;
|
||||
unsigned long tx_bytes;
|
||||
|
||||
unsigned long rx_errors; /* bad packets received */
|
||||
unsigned long tx_errors; /* packet transmit problems */
|
||||
unsigned long rx_dropped; /* no space in linux buffers */
|
||||
unsigned long tx_dropped; /* no space available in linux */
|
||||
unsigned long multicast; /* multicast packets received */
|
||||
unsigned long collisions;
|
||||
|
||||
/* detailed rx_errors: */
|
||||
unsigned long rx_length_errors;
|
||||
unsigned long rx_over_errors; /* receiver ring buff overflow */
|
||||
unsigned long rx_crc_errors; /* recved pkt with crc error */
|
||||
unsigned long rx_frame_errors; /* recv'd frame alignment error */
|
||||
unsigned long rx_fifo_errors; /* recv'r fifo overrun */
|
||||
unsigned long rx_missed_errors; /* receiver missed packet */
|
||||
|
||||
/* detailed tx_errors */
|
||||
unsigned long tx_aborted_errors;
|
||||
unsigned long tx_carrier_errors;
|
||||
unsigned long tx_fifo_errors;
|
||||
unsigned long tx_heartbeat_errors;
|
||||
unsigned long tx_window_errors;
|
||||
|
||||
/* for cslip etc */
|
||||
unsigned long rx_compressed;
|
||||
unsigned long tx_compressed;
|
||||
|
||||
/* -------------------------------------
|
||||
* Custom stats & counters follow -baz */
|
||||
u_int32_t version_size;
|
||||
u_int32_t lmc_cardtype;
|
||||
|
||||
|
|
@ -325,27 +265,26 @@ struct lmc_statistics
|
|||
u_int32_t check;
|
||||
};
|
||||
|
||||
|
||||
typedef struct lmc_xinfo {
|
||||
u_int32_t Magic0; /* BEEFCAFE */
|
||||
u_int32_t Magic0; /* BEEFCAFE */
|
||||
|
||||
u_int32_t PciCardType;
|
||||
u_int32_t PciSlotNumber; /* PCI slot number */
|
||||
u_int32_t PciCardType;
|
||||
u_int32_t PciSlotNumber; /* PCI slot number */
|
||||
|
||||
u_int16_t DriverMajorVersion;
|
||||
u_int16_t DriverMinorVersion;
|
||||
u_int16_t DriverSubVersion;
|
||||
u16 DriverMajorVersion;
|
||||
u16 DriverMinorVersion;
|
||||
u16 DriverSubVersion;
|
||||
|
||||
u_int16_t XilinxRevisionNumber;
|
||||
u_int16_t MaxFrameSize;
|
||||
u16 XilinxRevisionNumber;
|
||||
u16 MaxFrameSize;
|
||||
|
||||
u_int16_t t1_alarm1_status;
|
||||
u_int16_t t1_alarm2_status;
|
||||
u16 t1_alarm1_status;
|
||||
u16 t1_alarm2_status;
|
||||
|
||||
int link_status;
|
||||
u_int32_t mii_reg16;
|
||||
int link_status;
|
||||
u_int32_t mii_reg16;
|
||||
|
||||
u_int32_t Magic1; /* DEADBEEF */
|
||||
u_int32_t Magic1; /* DEADBEEF */
|
||||
} LMC_XINFO;
|
||||
|
||||
|
||||
|
|
@ -353,11 +292,10 @@ typedef struct lmc_xinfo {
|
|||
* forward decl
|
||||
*/
|
||||
struct lmc___softc {
|
||||
void *if_ptr; /* General purpose pointer (used by SPPP) */
|
||||
char *name;
|
||||
u8 board_idx;
|
||||
struct lmc_statistics stats;
|
||||
struct net_device *lmc_device;
|
||||
struct lmc_extra_statistics extra_stats;
|
||||
struct net_device *lmc_device;
|
||||
|
||||
int hang, rxdesc, bad_packet, some_counter;
|
||||
u_int32_t txgo;
|
||||
|
|
@ -381,7 +319,7 @@ struct lmc___softc {
|
|||
unsigned int lmc_taint_tx, lmc_taint_rx;
|
||||
int lmc_tx_start, lmc_txfull;
|
||||
int lmc_txbusy;
|
||||
u_int16_t lmc_miireg16;
|
||||
u16 lmc_miireg16;
|
||||
int lmc_ok;
|
||||
int last_link_status;
|
||||
int lmc_cardtype;
|
||||
|
|
@ -408,8 +346,7 @@ struct lmc___softc {
|
|||
u32 num_int;
|
||||
|
||||
spinlock_t lmc_lock;
|
||||
u_int16_t if_type; /* PPP or NET */
|
||||
struct ppp_device *pd;
|
||||
u16 if_type; /* HDLC/PPP or NET */
|
||||
|
||||
/* Failure cases */
|
||||
u8 failed_ring;
|
||||
|
|
@ -525,46 +462,9 @@ struct lmc___softc {
|
|||
#define LMC_ADAP_SSI 4
|
||||
#define LMC_ADAP_T1 5
|
||||
|
||||
#define HDLC_HDR_LEN 4
|
||||
#define HDLC_ADDR_LEN 1
|
||||
#define HDLC_SLARP 0x8035
|
||||
#define LMC_MTU 1500
|
||||
#define SLARP_LINECHECK 2
|
||||
|
||||
#define LMC_CRC_LEN_16 2 /* 16-bit CRC */
|
||||
#define LMC_CRC_LEN_32 4
|
||||
|
||||
#ifdef LMC_HDLC
|
||||
/* definition of an hdlc header. */
|
||||
struct hdlc_hdr
|
||||
{
|
||||
u8 address;
|
||||
u8 control;
|
||||
u16 type;
|
||||
};
|
||||
|
||||
/* definition of a slarp header. */
|
||||
struct slarp
|
||||
{
|
||||
long code;
|
||||
union sl
|
||||
{
|
||||
struct
|
||||
{
|
||||
ulong address;
|
||||
ulong mask;
|
||||
ushort unused;
|
||||
} add;
|
||||
struct
|
||||
{
|
||||
ulong mysequence;
|
||||
ulong yoursequence;
|
||||
ushort reliability;
|
||||
ulong time;
|
||||
} chk;
|
||||
} t;
|
||||
};
|
||||
#endif /* LMC_HDLC */
|
||||
|
||||
|
||||
#endif /* _LMC_VAR_H_ */
|
||||
|
|
|
|||
Loading…
Reference in New Issue