enable tun/tap/iptables

hc

2024-05-10 ee930fffee469d076998274a2ca55e13dc1efb67

 kernel/include/linux/bch.h
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@@ -1,18 +1,6 @@
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+/* SPDX-License-Identifier: GPL-2.0-only */
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 /*
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  * Generic binary BCH encoding/decoding library
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- *
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- * This program is free software; you can redistribute it and/or modify it
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- * under the terms of the GNU General Public License version 2 as published by
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- * the Free Software Foundation.
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- *
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- * This program is distributed in the hope that it will be useful, but WITHOUT
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- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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- * more details.
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- *
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- * You should have received a copy of the GNU General Public License along with
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- * this program; if not, write to the Free Software Foundation, Inc., 51
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- * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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  *
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  * Copyright © 2011 Parrot S.A.
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  *
..
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@@ -45,6 +33,7 @@
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  * @cache:      log-based polynomial representation buffer
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  * @elp:        error locator polynomial
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  * @poly_2t:    temporary polynomials of degree 2t
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+ * @swap_bits:  swap bits within data and syndrome bytes
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  */
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 struct bch_control {
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 	unsigned int    m;
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@@ -63,16 +52,18 @@
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 	int            *cache;
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 	struct gf_poly *elp;
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 	struct gf_poly *poly_2t[4];
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+	bool		swap_bits;
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 };
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-struct bch_control *init_bch(int m, int t, unsigned int prim_poly);
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+struct bch_control *bch_init(int m, int t, unsigned int prim_poly,
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+			     bool swap_bits);
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-void free_bch(struct bch_control *bch);
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+void bch_free(struct bch_control *bch);
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-void encode_bch(struct bch_control *bch, const uint8_t *data,
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+void bch_encode(struct bch_control *bch, const uint8_t *data,
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 		unsigned int len, uint8_t *ecc);
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-int decode_bch(struct bch_control *bch, const uint8_t *data, unsigned int len,
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+int bch_decode(struct bch_control *bch, const uint8_t *data, unsigned int len,
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 	       const uint8_t *recv_ecc, const uint8_t *calc_ecc,
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 	       const unsigned int *syn, unsigned int *errloc);
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