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@myri.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c
index eab9b5a..68fd38b 100644
--- a/drivers/net/myri10ge/myri10ge.c
+++ b/drivers/net/myri10ge/myri10ge.c
@@ -2524,6 +2524,12 @@
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) {