Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / net / ethernet / sfc / workarounds.h

diff --git a/kernel/drivers/net/ethernet/sfc/workarounds.h b/kernel/drivers/net/ethernet/sfc/workarounds.h
new file mode 100644 (file)
index 0000000..2310b75
--- /dev/null
+++ b/kernel/drivers/net/ethernet/sfc/workarounds.h
@@ -0,0 +1,53 @@
+/****************************************************************************
+ * Driver for Solarflare network controllers and boards
+ * Copyright 2006-2013 Solarflare Communications Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation, incorporated herein by reference.
+ */
+
+#ifndef EFX_WORKAROUNDS_H
+#define EFX_WORKAROUNDS_H
+
+/*
+ * Hardware workarounds.
+ * Bug numbers are from Solarflare's Bugzilla.
+ */
+
+#define EFX_WORKAROUND_FALCON_A(efx) (efx_nic_rev(efx) <= EFX_REV_FALCON_A1)
+#define EFX_WORKAROUND_FALCON_AB(efx) (efx_nic_rev(efx) <= EFX_REV_FALCON_B0)
+#define EFX_WORKAROUND_SIENA(efx) (efx_nic_rev(efx) == EFX_REV_SIENA_A0)
+#define EFX_WORKAROUND_10G(efx) 1
+
+/* Bit-bashed I2C reads cause performance drop */
+#define EFX_WORKAROUND_7884 EFX_WORKAROUND_10G
+/* Truncated IPv4 packets can confuse the TX packet parser */
+#define EFX_WORKAROUND_15592 EFX_WORKAROUND_FALCON_AB
+/* Legacy interrupt storm when interrupt fifo fills */
+#define EFX_WORKAROUND_17213 EFX_WORKAROUND_SIENA
+
+/* Spurious parity errors in TSORT buffers */
+#define EFX_WORKAROUND_5129 EFX_WORKAROUND_FALCON_A
+/* Unaligned read request >512 bytes after aligning may break TSORT */
+#define EFX_WORKAROUND_5391 EFX_WORKAROUND_FALCON_A
+/* iSCSI parsing errors */
+#define EFX_WORKAROUND_5583 EFX_WORKAROUND_FALCON_A
+/* RX events go missing */
+#define EFX_WORKAROUND_5676 EFX_WORKAROUND_FALCON_A
+/* RX_RESET on A1 */
+#define EFX_WORKAROUND_6555 EFX_WORKAROUND_FALCON_A
+/* Increase filter depth to avoid RX_RESET */
+#define EFX_WORKAROUND_7244 EFX_WORKAROUND_FALCON_A
+/* Flushes may never complete */
+#define EFX_WORKAROUND_7803 EFX_WORKAROUND_FALCON_AB
+/* Leak overlength packets rather than free */
+#define EFX_WORKAROUND_8071 EFX_WORKAROUND_FALCON_A
+
+/* Lockup when writing event block registers at gen2/gen3 */
+#define EFX_EF10_WORKAROUND_35388(efx)                                 \
+       (((struct efx_ef10_nic_data *)efx->nic_data)->workaround_35388)
+#define EFX_WORKAROUND_35388(efx)                                      \
+       (efx_nic_rev(efx) == EFX_REV_HUNT_A0 && EFX_EF10_WORKAROUND_35388(efx))
+
+#endif /* EFX_WORKAROUNDS_H */