ef8d499e2d
This commit adds a new TCP/IP service to MINIX 3. As its core, the service uses the lwIP TCP/IP stack for maintenance reasons. The service aims to be compatible with NetBSD userland, including its low-level network management utilities. It also aims to support modern features such as IPv6. In summary, the new LWIP service has support for the following main features: - TCP, UDP, RAW sockets with mostly standard BSD API semantics; - IPv6 support: host mode (complete) and router mode (partial); - most of the standard BSD API socket options (SO_); - all of the standard BSD API message flags (MSG_); - the most used protocol-specific socket and control options; - a default loopback interface and the ability to create one more; - configuration-free ethernet interfaces and driver tracking; - queuing and multiple concurrent requests to each ethernet driver; - standard ioctl(2)-based BSD interface management; - radix tree backed, destination-based routing; - routing sockets for standard BSD route reporting and management; - multicast traffic and multicast group membership tracking; - Berkeley Packet Filter (BPF) devices; - standard and custom sysctl(7) nodes for many internals; - a slab allocation based, hybrid static/dynamic memory pool model. Many of its modules come with fairly elaborate comments that cover many aspects of what is going on. The service is primarily a socket driver built on top of the libsockdriver library, but for BPF devices it is at the same time also a character driver. Change-Id: Ib0c02736234b21143915e5fcc0fda8fe408f046f
28 lines
1.0 KiB
C
28 lines
1.0 KiB
C
#ifndef MINIX_NET_LWIP_UTIL_H
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#define MINIX_NET_LWIP_UTIL_H
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/* util.c */
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int util_timeval_to_ticks(const struct timeval * tv, clock_t * ticksp);
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void util_ticks_to_timeval(clock_t ticks, struct timeval * tv);
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int util_copy_data(const struct sockdriver_data * data, size_t len, size_t off,
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const struct pbuf * pbuf, size_t skip, int copy_in);
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ssize_t util_coalesce(char * buf, size_t max, const iovec_t * iov,
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unsigned int iovcnt);
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int util_convert_err(err_t err);
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int util_is_root(endpoint_t user_endpt);
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ssize_t util_pcblist(struct rmib_call * call, struct rmib_oldp * oldp,
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const void *(*enum_proc)(const void *),
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void (*get_info_proc)(struct kinfo_pcb *, const void *));
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/*
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* In our code, pbuf header adjustments should never fail. This wrapper checks
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* that the pbuf_header() call succeeds, and panics otherwise.
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*/
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#define util_pbuf_header(pbuf,incr) \
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do { \
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if (pbuf_header((pbuf), (incr))) \
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panic("unexpected pbuf header adjustment failure"); \
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} while (0)
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#endif /* !MINIX_NET_LWIP_UTIL_H */
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