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Date: Wed, 07 Mar 2007 20:01:53 +0100
From: Brice Goglin <brice@...i.com>
To: Jeff Garzik <jeff@...zik.org>
CC: netdev@...r.kernel.org
Subject: [PATCH 3/4] myri10ge: prevent 4k rdma on SGI TIOCE chipset
Do not use 4k rdma request on SGI TIOCE chipset since this
bridge does not support it.
Signed-off-by: Brice Goglin <brice@...i.com>
---
drivers/net/myri10ge/myri10ge.c | 6 ++++++
1 file changed, 6 insertions(+)
Index: linux-rc/drivers/net/myri10ge/myri10ge.c
===================================================================
--- linux-rc.orig/drivers/net/myri10ge/myri10ge.c 2007-03-07 08:51:07.000000000 +0100
+++ linux-rc/drivers/net/myri10ge/myri10ge.c 2007-03-07 08:51:47.000000000 +0100
@@ -2514,6 +2514,12 @@
bridge->vendor, bridge->device);
mgp->tx.boundary = 4096;
mgp->fw_name = myri10ge_fw_aligned;
+ } else if (bridge &&
+ bridge->vendor == PCI_VENDOR_ID_SGI &&
+ bridge->device == 0x4002 /* TIOCE pcie-port */ ) {
+ /* this pcie bridge does not support 4K rdma request */
+ mgp->tx.boundary = 2048;
+ mgp->fw_name = myri10ge_fw_aligned;
}
} else {
if (myri10ge_force_firmware == 1) {
-
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