Linux 2.6.28-rc4

[linux-2.6-omap-h63xx.git] / drivers / s390 / cio / qdio.h

diff --git a/drivers/s390/cio/qdio.h b/drivers/s390/cio/qdio.h
index c1a70985abfaf7d877fa60d4d6f72a78640cf5e9..e3ea1d5f2810bae11a9b0918f547339b5c88e314 100644 (file)
--- a/drivers/s390/cio/qdio.h
+++ b/drivers/s390/cio/qdio.h
@@ -16,6 +16,14 @@
 #define QDIO_BUSY_BIT_GIVE_UP          2000000 /* 2 seconds = eternity */
 #define QDIO_INPUT_THRESHOLD           500     /* 500 microseconds */
 
+/*
+ * if an asynchronous HiperSockets queue runs full, the 10 seconds timer wait
+ * till next initiative to give transmitted skbs back to the stack is too long.
+ * Therefore polling is started in case of multicast queue is filled more
+ * than 50 percent.
+ */
+#define QDIO_IQDIO_POLL_LVL            65      /* HS multicast queue */
+
 enum qdio_irq_states {
        QDIO_IRQ_STATE_INACTIVE,
        QDIO_IRQ_STATE_ESTABLISHED,
@@ -195,6 +203,9 @@ struct qdio_output_q {
        /* PCIs are enabled for the queue */
        int pci_out_enabled;
 
+       /* IQDIO: output multiple buffers (enhanced SIGA) */
+       int use_enh_siga;
+
        /* timer to check for more outbound work */
        struct timer_list timer;
 };