xref: /linux/drivers/net/ethernet/sfc/falcon/workarounds.h (revision 75bf465f0bc33e9b776a46d6a1b9b990f5fb7c37)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /****************************************************************************
3  * Driver for Solarflare network controllers and boards
4  * Copyright 2006-2013 Solarflare Communications Inc.
5  */
6 
7 #ifndef EF4_WORKAROUNDS_H
8 #define EF4_WORKAROUNDS_H
9 
10 /*
11  * Hardware workarounds.
12  * Bug numbers are from Solarflare's Bugzilla.
13  */
14 
15 #define EF4_WORKAROUND_FALCON_A(efx) (ef4_nic_rev(efx) <= EF4_REV_FALCON_A1)
16 #define EF4_WORKAROUND_FALCON_AB(efx) (ef4_nic_rev(efx) <= EF4_REV_FALCON_B0)
17 #define EF4_WORKAROUND_10G(efx) 1
18 
19 /* Bit-bashed I2C reads cause performance drop */
20 #define EF4_WORKAROUND_7884 EF4_WORKAROUND_10G
21 /* Truncated IPv4 packets can confuse the TX packet parser */
22 #define EF4_WORKAROUND_15592 EF4_WORKAROUND_FALCON_AB
23 
24 /* Spurious parity errors in TSORT buffers */
25 #define EF4_WORKAROUND_5129 EF4_WORKAROUND_FALCON_A
26 /* Unaligned read request >512 bytes after aligning may break TSORT */
27 #define EF4_WORKAROUND_5391 EF4_WORKAROUND_FALCON_A
28 /* iSCSI parsing errors */
29 #define EF4_WORKAROUND_5583 EF4_WORKAROUND_FALCON_A
30 /* RX events go missing */
31 #define EF4_WORKAROUND_5676 EF4_WORKAROUND_FALCON_A
32 /* RX_RESET on A1 */
33 #define EF4_WORKAROUND_6555 EF4_WORKAROUND_FALCON_A
34 /* Increase filter depth to avoid RX_RESET */
35 #define EF4_WORKAROUND_7244 EF4_WORKAROUND_FALCON_A
36 /* Flushes may never complete */
37 #define EF4_WORKAROUND_7803 EF4_WORKAROUND_FALCON_AB
38 /* Leak overlength packets rather than free */
39 #define EF4_WORKAROUND_8071 EF4_WORKAROUND_FALCON_A
40 
41 #endif /* EF4_WORKAROUNDS_H */
42