Merge branches 'x86-rwsem-for-linus' and 'x86-gcc46-for-linus' of git://git.kernel...
[firefly-linux-kernel-4.4.55.git] / drivers / net / sfc / workarounds.h
1 /****************************************************************************
2  * Driver for Solarflare Solarstorm network controllers and boards
3  * Copyright 2006-2009 Solarflare Communications Inc.
4  *
5  * This program is free software; you can redistribute it and/or modify it
6  * under the terms of the GNU General Public License version 2 as published
7  * by the Free Software Foundation, incorporated herein by reference.
8  */
9
10 #ifndef EFX_WORKAROUNDS_H
11 #define EFX_WORKAROUNDS_H
12
13 /*
14  * Hardware workarounds.
15  * Bug numbers are from Solarflare's Bugzilla.
16  */
17
18 #define EFX_WORKAROUND_ALWAYS(efx) 1
19 #define EFX_WORKAROUND_FALCON_A(efx) (efx_nic_rev(efx) <= EFX_REV_FALCON_A1)
20 #define EFX_WORKAROUND_FALCON_AB(efx) (efx_nic_rev(efx) <= EFX_REV_FALCON_B0)
21 #define EFX_WORKAROUND_SIENA(efx) (efx_nic_rev(efx) == EFX_REV_SIENA_A0)
22 #define EFX_WORKAROUND_10G(efx) EFX_IS10G(efx)
23 #define EFX_WORKAROUND_SFT9001(efx) ((efx)->phy_type == PHY_TYPE_SFT9001A || \
24                                      (efx)->phy_type == PHY_TYPE_SFT9001B)
25
26 /* XAUI resets if link not detected */
27 #define EFX_WORKAROUND_5147 EFX_WORKAROUND_ALWAYS
28 /* RX PCIe double split performance issue */
29 #define EFX_WORKAROUND_7575 EFX_WORKAROUND_ALWAYS
30 /* Bit-bashed I2C reads cause performance drop */
31 #define EFX_WORKAROUND_7884 EFX_WORKAROUND_10G
32 /* TX_EV_PKT_ERR can be caused by a dangling TX descriptor
33  * or a PCIe error (bug 11028) */
34 #define EFX_WORKAROUND_10727 EFX_WORKAROUND_ALWAYS
35 /* Transmit flow control may get disabled */
36 #define EFX_WORKAROUND_11482 EFX_WORKAROUND_FALCON_AB
37 /* Truncated IPv4 packets can confuse the TX packet parser */
38 #define EFX_WORKAROUND_15592 EFX_WORKAROUND_FALCON_AB
39 /* Legacy ISR read can return zero once */
40 #define EFX_WORKAROUND_15783 EFX_WORKAROUND_ALWAYS
41 /* Legacy interrupt storm when interrupt fifo fills */
42 #define EFX_WORKAROUND_17213 EFX_WORKAROUND_SIENA
43
44 /* Spurious parity errors in TSORT buffers */
45 #define EFX_WORKAROUND_5129 EFX_WORKAROUND_FALCON_A
46 /* Unaligned read request >512 bytes after aligning may break TSORT */
47 #define EFX_WORKAROUND_5391 EFX_WORKAROUND_FALCON_A
48 /* iSCSI parsing errors */
49 #define EFX_WORKAROUND_5583 EFX_WORKAROUND_FALCON_A
50 /* RX events go missing */
51 #define EFX_WORKAROUND_5676 EFX_WORKAROUND_FALCON_A
52 /* RX_RESET on A1 */
53 #define EFX_WORKAROUND_6555 EFX_WORKAROUND_FALCON_A
54 /* Increase filter depth to avoid RX_RESET */
55 #define EFX_WORKAROUND_7244 EFX_WORKAROUND_FALCON_A
56 /* Flushes may never complete */
57 #define EFX_WORKAROUND_7803 EFX_WORKAROUND_FALCON_AB
58 /* Leak overlength packets rather than free */
59 #define EFX_WORKAROUND_8071 EFX_WORKAROUND_FALCON_A
60
61 /* Need to send XNP pages for 100BaseT */
62 #define EFX_WORKAROUND_13204 EFX_WORKAROUND_SFT9001
63 /* Don't restart AN in near-side loopback */
64 #define EFX_WORKAROUND_15195 EFX_WORKAROUND_SFT9001
65
66 #endif /* EFX_WORKAROUNDS_H */