1 files changed, 0 insertions, 98 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_crc32.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_crc32.c
deleted file mode 100644
index 9e2eccbb1eb8..000000000000
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_crc32.c
+++ /dev/null
@@ -1,98 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
-/* Copyright (c) 2019 Mellanox Technologies. */
-
-/* Copyright (c) 2011-2015 Stephan Brumme. All rights reserved.
- * Slicing-by-16 contributed by Bulat Ziganshin
- *
- * This software is provided 'as-is', without any express or implied warranty.
- * In no event will the author be held liable for any damages arising from the
- * of this software.
- *
- * Permission is granted to anyone to use this software for any purpose,
- * including commercial applications, and to alter it and redistribute it
- * freely, subject to the following restrictions:
- *
- * 1. The origin of this software must not be misrepresented; you must not
- *    claim that you wrote the original software.
- * 2. If you use this software in a product, an acknowledgment in the product
- *    documentation would be appreciated but is not required.
- * 3. Altered source versions must be plainly marked as such, and must not be
- *    misrepresented as being the original software.
- *
- * Taken from http://create.stephan-brumme.com/crc32/ and adapted.
- */
-
-#include "dr_types.h"
-
-#define DR_STE_CRC_POLY 0xEDB88320L
-
-static u32 dr_ste_crc_tab32[8][256];
-
-static void dr_crc32_calc_lookup_entry(u32 (*tbl)[256], u8 i, u8 j)
-{
-	tbl[i][j] = (tbl[i - 1][j] >> 8) ^ tbl[0][tbl[i - 1][j] & 0xff];
-}
-
-void mlx5dr_crc32_init_table(void)
-{
-	u32 crc, i, j;
-
-	for (i = 0; i < 256; i++) {
-		crc = i;
-		for (j = 0; j < 8; j++) {
-			if (crc & 0x00000001L)
-				crc = (crc >> 1) ^ DR_STE_CRC_POLY;
-			else
-				crc = crc >> 1;
-		}
-		dr_ste_crc_tab32[0][i] = crc;
-	}
-
-	/* Init CRC lookup tables according to crc_slice_8 algorithm */
-	for (i = 0; i < 256; i++) {
-		dr_crc32_calc_lookup_entry(dr_ste_crc_tab32, 1, i);
-		dr_crc32_calc_lookup_entry(dr_ste_crc_tab32, 2, i);
-		dr_crc32_calc_lookup_entry(dr_ste_crc_tab32, 3, i);
-		dr_crc32_calc_lookup_entry(dr_ste_crc_tab32, 4, i);
-		dr_crc32_calc_lookup_entry(dr_ste_crc_tab32, 5, i);
-		dr_crc32_calc_lookup_entry(dr_ste_crc_tab32, 6, i);
-		dr_crc32_calc_lookup_entry(dr_ste_crc_tab32, 7, i);
-	}
-}
-
-/* Compute CRC32 (Slicing-by-8 algorithm) */
-u32 mlx5dr_crc32_slice8_calc(const void *input_data, size_t length)
-{
-	const u32 *curr = (const u32 *)input_data;
-	const u8 *curr_char;
-	u32 crc = 0, one, two;
-
-	if (!input_data)
-		return 0;
-
-	/* Process eight bytes at once (Slicing-by-8) */
-	while (length >= 8) {
-		one = *curr++ ^ crc;
-		two = *curr++;
-
-		crc = dr_ste_crc_tab32[0][(two >> 24) & 0xff]
-			^ dr_ste_crc_tab32[1][(two >> 16) & 0xff]
-			^ dr_ste_crc_tab32[2][(two >> 8) & 0xff]
-			^ dr_ste_crc_tab32[3][two & 0xff]
-			^ dr_ste_crc_tab32[4][(one >> 24) & 0xff]
-			^ dr_ste_crc_tab32[5][(one >> 16) & 0xff]
-			^ dr_ste_crc_tab32[6][(one >> 8) & 0xff]
-			^ dr_ste_crc_tab32[7][one & 0xff];
-
-		length -= 8;
-	}
-
-	curr_char = (const u8 *)curr;
-	/* Remaining 1 to 7 bytes (standard algorithm) */
-	while (length-- != 0)
-		crc = (crc >> 8) ^ dr_ste_crc_tab32[0][(crc & 0xff)
-			^ *curr_char++];
-
-	return ((crc >> 24) & 0xff) | ((crc << 8) & 0xff0000) |
-		((crc >> 8) & 0xff00) | ((crc << 24) & 0xff000000);
-}