18c2ecf20Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-only */ 28c2ecf20Sopenharmony_ci/**************************************************************************** 38c2ecf20Sopenharmony_ci * Driver for Solarflare network controllers and boards 48c2ecf20Sopenharmony_ci * Copyright 2006-2013 Solarflare Communications Inc. 58c2ecf20Sopenharmony_ci */ 68c2ecf20Sopenharmony_ci 78c2ecf20Sopenharmony_ci#ifndef EF4_WORKAROUNDS_H 88c2ecf20Sopenharmony_ci#define EF4_WORKAROUNDS_H 98c2ecf20Sopenharmony_ci 108c2ecf20Sopenharmony_ci/* 118c2ecf20Sopenharmony_ci * Hardware workarounds. 128c2ecf20Sopenharmony_ci * Bug numbers are from Solarflare's Bugzilla. 138c2ecf20Sopenharmony_ci */ 148c2ecf20Sopenharmony_ci 158c2ecf20Sopenharmony_ci#define EF4_WORKAROUND_FALCON_A(efx) (ef4_nic_rev(efx) <= EF4_REV_FALCON_A1) 168c2ecf20Sopenharmony_ci#define EF4_WORKAROUND_FALCON_AB(efx) (ef4_nic_rev(efx) <= EF4_REV_FALCON_B0) 178c2ecf20Sopenharmony_ci#define EF4_WORKAROUND_10G(efx) 1 188c2ecf20Sopenharmony_ci 198c2ecf20Sopenharmony_ci/* Bit-bashed I2C reads cause performance drop */ 208c2ecf20Sopenharmony_ci#define EF4_WORKAROUND_7884 EF4_WORKAROUND_10G 218c2ecf20Sopenharmony_ci/* Truncated IPv4 packets can confuse the TX packet parser */ 228c2ecf20Sopenharmony_ci#define EF4_WORKAROUND_15592 EF4_WORKAROUND_FALCON_AB 238c2ecf20Sopenharmony_ci 248c2ecf20Sopenharmony_ci/* Spurious parity errors in TSORT buffers */ 258c2ecf20Sopenharmony_ci#define EF4_WORKAROUND_5129 EF4_WORKAROUND_FALCON_A 268c2ecf20Sopenharmony_ci/* Unaligned read request >512 bytes after aligning may break TSORT */ 278c2ecf20Sopenharmony_ci#define EF4_WORKAROUND_5391 EF4_WORKAROUND_FALCON_A 288c2ecf20Sopenharmony_ci/* iSCSI parsing errors */ 298c2ecf20Sopenharmony_ci#define EF4_WORKAROUND_5583 EF4_WORKAROUND_FALCON_A 308c2ecf20Sopenharmony_ci/* RX events go missing */ 318c2ecf20Sopenharmony_ci#define EF4_WORKAROUND_5676 EF4_WORKAROUND_FALCON_A 328c2ecf20Sopenharmony_ci/* RX_RESET on A1 */ 338c2ecf20Sopenharmony_ci#define EF4_WORKAROUND_6555 EF4_WORKAROUND_FALCON_A 348c2ecf20Sopenharmony_ci/* Increase filter depth to avoid RX_RESET */ 358c2ecf20Sopenharmony_ci#define EF4_WORKAROUND_7244 EF4_WORKAROUND_FALCON_A 368c2ecf20Sopenharmony_ci/* Flushes may never complete */ 378c2ecf20Sopenharmony_ci#define EF4_WORKAROUND_7803 EF4_WORKAROUND_FALCON_AB 388c2ecf20Sopenharmony_ci/* Leak overlength packets rather than free */ 398c2ecf20Sopenharmony_ci#define EF4_WORKAROUND_8071 EF4_WORKAROUND_FALCON_A 408c2ecf20Sopenharmony_ci 418c2ecf20Sopenharmony_ci#endif /* EF4_WORKAROUNDS_H */ 42