Index: sys/compat/linuxkpi/common/include/linux/ip.h =================================================================== --- /dev/null +++ sys/compat/linuxkpi/common/include/linux/ip.h @@ -0,0 +1,74 @@ +/*- + * SPDX-License-Identifier: BSD-2-Clause + * + * Copyright (c) 2020-2021 The FreeBSD Foundation + * + * This software was developed by Björn Zeeb under sponsorship from + * the FreeBSD Foundation. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#ifndef __LKPI_LINUX_IP_H +#define __LKPI_LINUX_IP_H + +#include + +#include +#include + +#include + +/* (u) unconfirmed structure field names; using FreeBSD's meanwhile. */ +struct iphdr { + uint8_t ip_hl:4, ip_ver:4; /* (u) */ + uint8_t ip_tos; /* (u) */ + uint16_t ip_len; /* (u) */ + uint16_t id; + uint16_t ip_off; /* (u) */ + uint8_t ip_ttl; /* (u) */ + uint8_t protocol; + uint16_t check; + uint32_t saddr; + uint32_t daddr; +}; + +static __inline struct iphdr * +ip_hdr(struct sk_buff *skb) +{ + + return (struct iphdr *)skb_network_header(skb); +} + +static __inline void +ip_send_check(struct iphdr *iph) +{ + + /* Clear the checksum before computing! */ + iph->check = 0; + /* An IPv4 header is the same everywhere even if names differ. */ + iph->check = in_cksum_hdr((const void *)iph); +} + +#endif /* __LKPI_LINUX_IP_H */ Index: sys/compat/linuxkpi/common/include/linux/tcp.h =================================================================== --- /dev/null +++ sys/compat/linuxkpi/common/include/linux/tcp.h @@ -0,0 +1,72 @@ +/*- + * SPDX-License-Identifier: BSD-2-Clause + * + * Copyright (c) 2020-2021 The FreeBSD Foundation + * + * This software was developed by Björn Zeeb under sponsorship from + * the FreeBSD Foundation. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#ifndef __LKPI_LINUX_TCP_H +#define __LKPI_LINUX_TCP_H + +#include +#include + +/* (u) unconfirmed structure field names; using FreeBSD's meanwhile. */ +struct tcphdr { + uint16_t source; /* (u) */ + uint16_t dest; /* (u) */ + uint32_t th_seq; /* (u) */ + uint32_t th_ack; /* (u) */ +#if BYTE_ORDER == LITTLE_ENDIAN + uint8_t th_x2:4, doff:4; +#elif BYTE_ORDER == BIG_ENDIAN + uint8_t doff:4, th_x2:4; +#endif + uint8_t th_flags; /* (u) */ + uint16_t th_win; /* (u) */ + uint16_t check; + uint16_t th_urg; /* (u) */ +}; + +static __inline struct tcphdr * +tcp_hdr(struct sk_buff *skb) +{ + + return (struct tcphdr *)skb_transport_header(skb); +} + +static __inline uint32_t +tcp_hdrlen(struct sk_buff *skb) +{ + struct tcphdr *th; + + th = tcp_hdr(skb); + return (4 * th->doff); +} + +#endif /* __LKPI_LINUX_TCP_H */ Index: sys/compat/linuxkpi/common/include/linux/udp.h =================================================================== --- /dev/null +++ sys/compat/linuxkpi/common/include/linux/udp.h @@ -0,0 +1,54 @@ +/*- + * SPDX-License-Identifier: BSD-2-Clause + * + * Copyright (c) 2020-2021 The FreeBSD Foundation + * + * This software was developed by Björn Zeeb under sponsorship from + * the FreeBSD Foundation. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#ifndef __LKPI_LINUX_UDP_H +#define __LKPI_LINUX_UDP_H + +#include +#include + +/* (u) unconfirmed structure field names. */ +struct udphdr { + uint16_t source; /* (u) */ + uint16_t dest; + uint16_t len; /* (u) */ + uint16_t check; +}; + +static __inline struct udphdr * +udp_hdr(struct sk_buff *skb) +{ + + return (struct udphdr *)skb_transport_header(skb); +} + +#endif /* __LKPI_LINUX_UDP_H */