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ieee1394: eth1394: send async streams at S100 on 1394b buses

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eth1394 did not work on buses consisting of S100B...S400B hardware
because it attempted to send GASP packets at S800.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
This commit is contained in:
Stefan Richter 2007-04-23 21:28:47 +02:00
parent 809e905ce7
commit 21b2c5647b
1 changed files with 13 additions and 5 deletions
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18
drivers/ieee1394/eth1394.c
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@ -475,9 +475,18 @@ static void ether1394_reset_priv(struct net_device *dev, int set_mtu)
priv->bc_maxpayload = 512;
/* Determine speed limit */
for (i = 0; i < host->node_count; i++)
/* FIXME: This is broken for nodes with link speed < PHY speed,
* and it is suboptimal for S200B...S800B hardware.
* The result of nodemgr's speed probe should be used somehow. */
for (i = 0; i < host->node_count; i++) {
/* take care of S100B...S400B PHY ports */
if (host->speed[i] == SELFID_SPEED_UNKNOWN) {
max_speed = IEEE1394_SPEED_100;
break;
}
if (max_speed > host->speed[i])
max_speed = host->speed[i];
}
priv->bc_sspd = max_speed;
if (set_mtu) {
@ -1420,11 +1429,10 @@ static void ether1394_prep_gasp_packet(struct hpsb_packet *p,
p->data[1] = cpu_to_be32(ETHER1394_GASP_SPECIFIER_ID_LO << 24 |
ETHER1394_GASP_VERSION);
/* Setting the node id to ALL_NODES (not LOCAL_BUS | ALL_NODES)
* prevents hpsb_send_packet() from setting the speed to an arbitrary
* value based on packet->node_id if packet->node_id is not set. */
p->node_id = ALL_NODES;
p->speed_code = priv->bc_sspd;
/* prevent hpsb_send_packet() from overriding our speed code */
p->node_id = LOCAL_BUS | ALL_NODES;
}
static void ether1394_free_packet(struct hpsb_packet *packet)