Date: Sun, 24 Oct 2004 13:19:13 -0400 From: "Ketrien I. Saihr-Kesenchedra" <ketrien@error404.nls.net> To: hackers@freebsd.org, soralx@cydem.org Subject: Re: [PATCH] Re: Linksys PCM200 Message-ID: <417BE411.8070500@error404.nls.net> In-Reply-To: <417B08B5.8080208@error404.nls.net> References: <200410132110.09915.soralx@cydem.org> <200410220216.54868.soralx@cydem.org> <20041022175311.GA15960@odin.ac.hmc.edu> <200410231047.44788.soralx@cydem.org> <417B08B5.8080208@error404.nls.net>
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Okay, so I got unlazy and threw some stuff together. Try these patches;
this will default the PCM200 cards to store-and-forward. This might help.
-ksaihr
--- /usr/src/sys/pci/if_dc.c Sun Oct 24 13:09:28 2004
+++ if_dc.c Sun Oct 24 12:59:07 2004
@@ -3022,6 +3022,16 @@
}
}
+ if (DC_IS_LINKSYS(sc)) {
+ /*
+ * The Linksys PCM200 fails into store and forward mode
very quickly,
+ * so instead of waiting, start it there.
+ */
+ printf("dc%d: setting card to store and forward mode\n",
sc->dc_unit);
+ DC_SETBIT(sc, DC_NETCFG, DC_NETCFG_STORENFWD);
+ }
+
+
printf("dc%d: TX underrun -- ", sc->dc_unit);
sc->dc_txthresh += DC_TXTHRESH_INC;
if (sc->dc_txthresh > DC_TXTHRESH_MAX) {
--- /usr/src/sys/pci/if_dcreg.h Thu Aug 5 13:46:14 2004
+++ if_dcreg.h Sun Oct 24 13:09:31 2004
@@ -98,6 +98,13 @@
#define DC_IS_XIRCOM(x) (x->dc_type == DC_TYPE_XIRCOM)
#define DC_IS_CONEXANT(x) (x->dc_type == DC_TYPE_CONEXANT)
+/* Cards requiring specific workaround */
+ /* Linksys PCM200 */
+#define DC_IS_LINKSYS(x) \
+ (x->dc_type == DC_TYPE_AN985 && \
+ pci_get_vendor(dev) == DC_VENDORID_LINKSYS && \
+ pci_get_device(dev) == DC_DEVICEID_PCM200_AB08)
+
/* MII/symbol mode port types */
#define DC_PMODE_MII 0x1
#define DC_PMODE_SYM 0x2
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