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>
git-mirror · Mar 9, 2007 · 4c882dd · 4c882dd
1 parent 34fdcce
commit 4c882dd
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c
@@ -2524,6 +2524,12 @@ static void myri10ge_select_firmware(struct myri10ge_priv *mgp)
 				 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) {