From: Patrick van de Lageweg <patrick@bitwizard.nl>
To: Linus Torvalds <torvalds@transmeta.com>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Alan Cox <alan@lxorguk.ukuu.org.uk>,
Rogier Wolff <R.E.Wolff@bitwizard.nl>
Subject: [PATCH] Fujitsu ATM FireStream
Date: Wed, 4 Apr 2001 15:46:23 +0200 (CEST) [thread overview]
Message-ID: <Pine.LNX.4.31.0104041537120.16269-100000@panoramix.bitwizard.nl> (raw)
Hi,
This patch fixes a problem the the firestream card and adds support for
atm aal2 mode. This is a patch against the 2.4.0 tree and not agains 2.4.3
because we're having trouble whith the ixj driver in 2.4.3.
Patrick
diff -u linux-2.4.0.clean/drivers/atm/firestream.c /usr/src/linux/drivers/atm/firestream.c
--- linux-2.4.0.clean/drivers/atm/firestream.c Fri Dec 29 23:35:47 2000
+++ /usr/src/linux/drivers/atm/firestream.c Wed Apr 4 15:31:48 2001
@@ -294,6 +294,8 @@
#endif
+static int fs_keystream = 0;
+
#ifdef DEBUG
/* I didn't forget to set this to zero before shipping. Hit me with a stick
if you get this with the debug default not set to zero again. -- REW */
@@ -308,6 +310,7 @@
#endif
MODULE_PARM(loopback, "i");
MODULE_PARM(num, "i");
+MODULE_PARM(fs_keystream, "i");
/* XXX Add rx_buf_sizes, and rx_pool_sizes As per request Amar. -- REW */
#endif
@@ -716,6 +719,8 @@
switch (STATUS_CODE (qe)) {
+ case 0x01: /* This is for AAL0 where we put the chip in streaming mode */
+ /* Fall through */
case 0x02:
/* Process a real txdone entry. */
tmp = qe->p0;
@@ -796,6 +801,8 @@
/* Single buffer packet */
switch (STATUS_CODE (qe)) {
+ case 0x1:
+ /* Fall through for streaming mode */
case 0x2:/* Packet received OK.... */
if (atm_vcc) {
skb = pe->skb;
@@ -877,7 +884,9 @@
if (vci != ATM_VPI_UNSPEC && vpi != ATM_VCI_UNSPEC)
set_bit(ATM_VF_ADDR, &atm_vcc->flags);
- if (atm_vcc->qos.aal != ATM_AAL5) return -EINVAL; /* XXX AAL0 */
+ if ((atm_vcc->qos.aal != ATM_AAL5) &&
+ (atm_vcc->qos.aal != ATM_AAL2))
+ return -EINVAL; /* XXX AAL0 */
fs_dprintk (FS_DEBUG_OPEN, "fs: (itf %d): open %d.%d\n",
atm_vcc->dev->number, atm_vcc->vpi, atm_vcc->vci);
@@ -946,12 +955,27 @@
need to wait for completion anyway, to see if it completed
succesfully. */
- tc->flags = 0
+ switch (atm_vcc->qos.aal) {
+ case ATM_AAL2:
+ case ATM_AAL0:
+ tc->flags = 0
+ | TC_FLAGS_TRANSPARENT_PAYLOAD
+ | TC_FLAGS_PACKET
+ | (1 << 28)
+ | TC_FLAGS_TYPE_UBR /* XXX Change to VBR -- PVDL */
+ | TC_FLAGS_CAL0;
+ break;
+ case ATM_AAL5:
+ tc->flags = 0
| TC_FLAGS_AAL5
| TC_FLAGS_PACKET /* ??? */
| TC_FLAGS_TYPE_CBR
| TC_FLAGS_CAL0;
-
+ break;
+ default:
+ printk ("Unknown aal: %d\n", atm_vcc->qos.aal);
+ tc->flags = 0;
+ }
/* Docs are vague about this atm_hdr field. By the way, the FS
* chip makes odd errors if lower bits are set.... -- REW */
tc->atm_hdr = (vpi << 20) | (vci << 4);
@@ -1025,7 +1049,6 @@
for (bfp = 0;bfp < FS_NR_FREE_POOLS; bfp++)
if (atm_vcc->qos.rxtp.max_sdu <= dev->rx_fp[bfp].bufsize) break;
-
if (bfp >= FS_NR_FREE_POOLS) {
fs_dprintk (FS_DEBUG_OPEN, "No free pool fits sdu: %d.\n",
atm_vcc->qos.rxtp.max_sdu);
@@ -1037,12 +1060,23 @@
return -EINVAL;
}
- submit_command (dev, &dev->hp_txq,
- QE_CMD_CONFIG_RX | QE_CMD_IMM_INQ | vcc->channo,
- RC_FLAGS_AAL5 |
- RC_FLAGS_BFPS_BFP * bfp |
- RC_FLAGS_RXBM_PSB, 0, 0);
-
+ switch (atm_vcc->qos.aal) {
+ case ATM_AAL0:
+ case ATM_AAL2:
+ submit_command (dev, &dev->hp_txq,
+ QE_CMD_CONFIG_RX | QE_CMD_IMM_INQ | vcc->channo,
+ RC_FLAGS_TRANSP |
+ RC_FLAGS_BFPS_BFP * bfp |
+ RC_FLAGS_RXBM_PSB, 0, 0);
+ break;
+ case ATM_AAL5:
+ submit_command (dev, &dev->hp_txq,
+ QE_CMD_CONFIG_RX | QE_CMD_IMM_INQ | vcc->channo,
+ RC_FLAGS_AAL5 |
+ RC_FLAGS_BFPS_BFP * bfp |
+ RC_FLAGS_RXBM_PSB, 0, 0);
+ break;
+ };
if (IS_FS50 (dev)) {
submit_command (dev, &dev->hp_txq,
QE_CMD_REG_WR | QE_CMD_IMM_INQ,
@@ -1697,7 +1731,7 @@
/* AN3: 10 */
write_fs (dev, SARMODE1, 0
- | (0 * SARMODE1_DEFHEC) /* XXX PHY */
+ | (fs_keystream * SARMODE1_DEFHEC) /* XXX PHY */
| ((loopback == 1) * SARMODE1_TSTLP) /* XXX Loopback mode enable... */
| (1 * SARMODE1_DCRM)
| (1 * SARMODE1_DCOAM)
diff -u linux-2.4.0.clean/drivers/atm/firestream.h /usr/src/linux/drivers/atm/firestream.h
--- linux-2.4.0.clean/drivers/atm/firestream.h Fri Dec 29 23:35:47 2000
+++ /usr/src/linux/drivers/atm/firestream.h Wed Feb 28 15:59:42 2001
@@ -369,6 +369,9 @@
};
#define TC_FLAGS_AAL5 (0x0 << 29)
+#define TC_FLAGS_TRANSPARENT_PAYLOAD (0x1 << 29)
+#define TC_FLAGS_TRANSPARENT_CELL (0x2 << 29)
+#define TC_FLAGS_STREAMING (0x1 << 28)
#define TC_FLAGS_PACKET (0x0)
#define TC_FLAGS_TYPE_ABR (0x0 << 22)
#define TC_FLAGS_TYPE_CBR (0x1 << 22)
@@ -498,8 +501,8 @@
/* Within limits this is user-configurable. */
/* Note: Currently the sum (10 -> 1k channels) is hardcoded in the driver. */
-#define FS155_VPI_BITS 5
-#define FS155_VCI_BITS 5
+#define FS155_VPI_BITS 4
+#define FS155_VCI_BITS 6
#define FS155_CHANNEL_BITS (FS155_VPI_BITS + FS155_VCI_BITS)
#define FS155_NR_CHANNELS (1 << FS155_CHANNEL_BITS)
reply other threads:[~2001-04-04 13:48 UTC|newest]
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