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Some older PC Cards have a weird format for FUNCE tuples. They appear

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as type 0, rather than the usualy type 4.  Assume that this format is
from an old standard and go with it.  The Fujitsu FMV-186A and Silicom
Ethernet cards I have both have tuples with this format, and they are
both pretty old cards.

# if somebody knows for sure, please let me know.
This commit is contained in:
Warner Losh 2005-01-21 02:11:48 +00:00
parent 94aa7aecdf
commit 9cdd39c25f
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=140542
2 changed files with 15 additions and 2 deletions
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16
sys/dev/pccard/pccard_cis.c
View File

@ -1269,6 +1269,8 @@ pccard_parse_cis_tuple(struct pccard_tuple *tuple, void *arg)
static int
decode_funce(struct pccard_tuple *tuple, struct pccard_function *pf)
{
int i;
int len;
int type = pccard_tuple_read_1(tuple, 0);
switch (pf->function) {
@ -1280,8 +1282,7 @@ decode_funce(struct pccard_tuple *tuple, struct pccard_function *pf)
break;
case PCCARD_FUNCTION_NETWORK:
if (type == PCCARD_TPLFE_TYPE_LAN_NID) {
int i;
int len = pccard_tuple_read_1(tuple, 1);
len = pccard_tuple_read_1(tuple, 1);
if (tuple->length < 2 + len || len > 8) {
/* tuple length not enough or nid too long */
break;
@ -1291,6 +1292,17 @@ decode_funce(struct pccard_tuple *tuple, struct pccard_function *pf)
= pccard_tuple_read_1(tuple, i + 2);
}
pf->pf_funce_lan_nidlen = len;
} else if (type == PCCARD_TPLFE_TYPE_LAN_OLD_NID) {
/* Some older cards have this format, no idea if it is standard */
if (tuple->length != 13)
break;
len = pccard_tuple_read_1(tuple, 4);
if (len != 6)
break;
for (i = 0; i < len; i++) {
pf->pf_funce_lan_nid[i]
= pccard_tuple_read_1(tuple, i + 5);
}
}
break;
default:

1
sys/dev/pccard/pccard_cis.h
View File

@ -168,6 +168,7 @@
#define PCCARD_FUNCTION_SECURITY 9
#define PCCARD_FUNCTION_INSTRUMENT 10
#define CISTPL_FUNCE 0x22
#define PCCARD_TPLFE_TYPE_LAN_OLD_NID 0x00 /* Old way? */
#define PCCARD_TPLFE_TYPE_LAN_TECH 0x01
#define PCCARD_TPLFE_TYPE_LAN_SPEED 0x02
#define PCCARD_TPLFE_TYPE_LAN_MEDIA 0x03