Hi Mathias,
Mathias Kuester wrote:
sounds good to me.
Ok, good. I have commited that the uClinux-2.4.x CVS.
Regards
Greg
Greg Ungerer wrote:
Hi Mathias,
Mathias Kuester wrote:
the current fec driver (kernel 2.4.X) is not able to receive multicast
packages. Please initialise the registers of the fec like this:
fec_grp_hash_table_high = 0xffffffff;
fec_grp_hash_table_low = 0xffffffff;
Looking at this it seems to me that the renaming the fields of
the 5272 struct to "fec_grp_hash_table*" is probably more correct.
According to the 5272 documentation those registers are a group
hash setup. So I think the struct fields are actually misnamed.
If we change the field names in the 5272 fec struct, and
then change all occurrences in fec.c then there is no need
for all the "#ifdef"ery. Much cleaner.
Regards
Greg
The command (from remote computer on the same network)
ping 224.0.0.1
works then.
Thanks,
Mathias
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------------------------------------------------------------------------
--- fec_orig.c 2007-01-17 07:41:08.000000000 +0100
+++ fec.c 2008-01-30 14:47:50.000000000 +0100
@@ -2275,14 +2275,27 @@
/* Catch all multicast addresses, so set the
* filter to all 1's.
*/
+#if defined(CONFIG_M5235) || defined(CONFIG_M527x) || \
+ defined(CONFIG_M5282) || defined(CONFIG_M5280) || \
+ defined(CONFIG_M5208)
+ ep->fec_grp_hash_table_high = 0xffffffff;
+ ep->fec_grp_hash_table_low = 0xffffffff;
+#else
ep->fec_hash_table_high = 0xffffffff;
ep->fec_hash_table_low = 0xffffffff;
+#endif
} else {
/* Clear filter and add the addresses in hash register.
*/
+#if defined(CONFIG_M5235) || defined(CONFIG_M527x) || \
+ defined(CONFIG_M5282) || defined(CONFIG_M5280) || \
+ defined(CONFIG_M5208)
+ ep->fec_grp_hash_table_high = 0;
+ ep->fec_grp_hash_table_low = 0;
+#else
ep->fec_hash_table_high = 0;
ep->fec_hash_table_low = 0;
- +#endif dmi = dev->mc_list;
for (j = 0; j < dev->mc_count; j++, dmi = dmi->next) {
@@ -2309,10 +2322,23 @@
*/
hash = (crc >> (32 - HASH_BITS)) & 0x3f;
- if (hash > 31)
+ if (hash > 31) {
+#if defined(CONFIG_M5235) || defined(CONFIG_M527x) || \
+ defined(CONFIG_M5282) || defined(CONFIG_M5280) || \
+ defined(CONFIG_M5208)
+ ep->fec_grp_hash_table_high |= 1 << (hash - 32);
+#else
ep->fec_hash_table_high |= 1 << (hash - 32);
- else
+#endif
+ } else {
+#if defined(CONFIG_M5235) || defined(CONFIG_M527x) || \
+ defined(CONFIG_M5282) || defined(CONFIG_M5280) || \
+ defined(CONFIG_M5208)
+ ep->fec_grp_hash_table_low |= 1 << hash;
+#else
ep->fec_hash_table_low |= 1 << hash;
+#endif
+ }
}
}
}
@@ -2406,6 +2432,14 @@
FEC_ENET_RXF | FEC_ENET_RXB | FEC_ENET_MII);
fecp->fec_hash_table_high = 0;
fecp->fec_hash_table_low = 0;
+ /* Set initial multicast address filter.
+ */
+#if defined(CONFIG_M5235) || defined(CONFIG_M527x) || \
+ defined(CONFIG_M5282) || defined(CONFIG_M5280) || \
+ defined(CONFIG_M5208)
+ fecp->fec_grp_hash_table_high = 0;
+ fecp->fec_grp_hash_table_low = 0;
+#endif
fecp->fec_r_buff_size = PKT_MAXBLR_SIZE;
//fecp->fec_ecntrl = 2; // this is too early PSW
fecp->fec_r_des_active = 0x01000000;
------------------------------------------------------------------------
--- fec_orig.h 2005-08-10 07:13:34.000000000 +0200
+++ fec.h 2008-01-30 13:10:34.000000000 +0100
@@ -148,6 +148,8 @@
#define BD_ENET_RX_LAST ((ushort)0x0800)
#define BD_ENET_RX_FIRST ((ushort)0x0400)
#define BD_ENET_RX_MISS ((ushort)0x0100)
+#define BD_ENET_RX_BC ((ushort)0x0080)
+#define BD_ENET_RX_MC ((ushort)0x0040)
#define BD_ENET_RX_LG ((ushort)0x0020)
#define BD_ENET_RX_NO ((ushort)0x0010)
#define BD_ENET_RX_SH ((ushort)0x0008)
------------------------------------------------------------------------
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--
------------------------------------------------------------------------
Greg Ungerer -- Chief Software Dude EMAIL: [EMAIL PROTECTED]
Secure Computing Corporation PHONE: +61 7 3435 2888
825 Stanley St, FAX: +61 7 3891 3630
Woolloongabba, QLD, 4102, Australia WEB: http://www.SnapGear.com
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