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[Qemu-devel] [PATCH for-3.2 38/41] net: do not depend on slirp internals
From: |
Marc-André Lureau |
Subject: |
[Qemu-devel] [PATCH for-3.2 38/41] net: do not depend on slirp internals |
Date: |
Wed, 14 Nov 2018 16:36:40 +0400 |
Only slirp/libslirp.h should be included.
Instead of using some slirp declarations and utility functions directly,
let's copy them in net/util.h.
Signed-off-by: Marc-André Lureau <address@hidden>
---
net/colo.h | 3 +--
net/util.h | 55 +++++++++++++++++++++++++++++++++++++++++++
net/colo-compare.c | 1 +
net/colo.c | 1 +
net/filter-rewriter.c | 1 +
net/slirp.c | 2 +-
stubs/slirp.c | 2 +-
7 files changed, 61 insertions(+), 4 deletions(-)
diff --git a/net/colo.h b/net/colo.h
index 11c5226488..420d916af2 100644
--- a/net/colo.h
+++ b/net/colo.h
@@ -15,10 +15,9 @@
#ifndef QEMU_COLO_PROXY_H
#define QEMU_COLO_PROXY_H
-#include "slirp/slirp.h"
#include "qemu/jhash.h"
#include "qemu/timer.h"
-#include "slirp/tcp.h"
+#include "net/eth.h"
#define HASHTABLE_MAX_SIZE 16384
diff --git a/net/util.h b/net/util.h
index 60b73d372d..358185fd50 100644
--- a/net/util.h
+++ b/net/util.h
@@ -26,6 +26,61 @@
#define QEMU_NET_UTIL_H
+/*
+ * Structure of an internet header, naked of options.
+ */
+struct ip {
+#ifdef HOST_WORDS_BIGENDIAN
+ uint8_t ip_v:4, /* version */
+ ip_hl:4; /* header length */
+#else
+ uint8_t ip_hl:4, /* header length */
+ ip_v:4; /* version */
+#endif
+ uint8_t ip_tos; /* type of service */
+ uint16_t ip_len; /* total length */
+ uint16_t ip_id; /* identification */
+ uint16_t ip_off; /* fragment offset field */
+#define IP_DF 0x4000 /* don't fragment flag */
+#define IP_MF 0x2000 /* more fragments flag */
+#define IP_OFFMASK 0x1fff /* mask for fragmenting bits */
+ uint8_t ip_ttl; /* time to live */
+ uint8_t ip_p; /* protocol */
+ uint16_t ip_sum; /* checksum */
+ struct in_addr ip_src, ip_dst; /* source and dest address */
+} QEMU_PACKED;
+
+static inline bool in6_equal_net(const struct in6_addr *a,
+ const struct in6_addr *b,
+ int prefix_len)
+{
+ if (memcmp(a, b, prefix_len / 8) != 0) {
+ return 0;
+ }
+
+ if (prefix_len % 8 == 0) {
+ return 1;
+ }
+
+ return a->s6_addr[prefix_len / 8] >> (8 - (prefix_len % 8))
+ == b->s6_addr[prefix_len / 8] >> (8 - (prefix_len % 8));
+}
+
+#define TCPS_CLOSED 0 /* closed */
+#define TCPS_LISTEN 1 /* listening for connection */
+#define TCPS_SYN_SENT 2 /* active, have sent syn */
+#define TCPS_SYN_RECEIVED 3 /* have send and received syn */
+/* states < TCPS_ESTABLISHED are those where connections not established */
+#define TCPS_ESTABLISHED 4 /* established */
+#define TCPS_CLOSE_WAIT 5 /* rcvd fin, waiting for close */
+/* states > TCPS_CLOSE_WAIT are those where user has closed */
+#define TCPS_FIN_WAIT_1 6 /* have closed, sent fin */
+#define TCPS_CLOSING 7 /* closed xchd FIN; await FIN ACK */
+#define TCPS_LAST_ACK 8 /* had fin and close; await FIN ACK */
+/* states > TCPS_CLOSE_WAIT && < TCPS_FIN_WAIT_2 await ACK of FIN */
+#define TCPS_FIN_WAIT_2 9 /* have closed, fin is acked */
+#define TCPS_TIME_WAIT 10 /* in 2*msl quiet wait after close */
+
int net_parse_macaddr(uint8_t *macaddr, const char *p);
#endif /* QEMU_NET_UTIL_H */
diff --git a/net/colo-compare.c b/net/colo-compare.c
index a39191d522..3b6f596432 100644
--- a/net/colo-compare.c
+++ b/net/colo-compare.c
@@ -30,6 +30,7 @@
#include "net/colo-compare.h"
#include "migration/colo.h"
#include "migration/migration.h"
+#include "util.h"
#define TYPE_COLO_COMPARE "colo-compare"
#define COLO_COMPARE(obj) \
diff --git a/net/colo.c b/net/colo.c
index 49176bf07b..8196b35837 100644
--- a/net/colo.c
+++ b/net/colo.c
@@ -15,6 +15,7 @@
#include "qemu/osdep.h"
#include "trace.h"
#include "colo.h"
+#include "util.h"
uint32_t connection_key_hash(const void *opaque)
{
diff --git a/net/filter-rewriter.c b/net/filter-rewriter.c
index bb8f4d93b1..9ccd8947db 100644
--- a/net/filter-rewriter.c
+++ b/net/filter-rewriter.c
@@ -22,6 +22,7 @@
#include "net/checksum.h"
#include "net/colo.h"
#include "migration/colo.h"
+#include "util.h"
#define FILTER_COLO_REWRITER(obj) \
OBJECT_CHECK(RewriterState, (obj), TYPE_FILTER_REWRITER)
diff --git a/net/slirp.c b/net/slirp.c
index 4c39878933..7524049e49 100644
--- a/net/slirp.c
+++ b/net/slirp.c
@@ -38,12 +38,12 @@
#include "qemu/error-report.h"
#include "qemu/sockets.h"
#include "slirp/libslirp.h"
-#include "slirp/ip6.h"
#include "chardev/char-fe.h"
#include "sysemu/sysemu.h"
#include "qemu/cutils.h"
#include "qapi/error.h"
#include "qapi/qmp/qdict.h"
+#include "util.h"
static int get_str_sep(char *buf, int buf_size, const char **pp, int sep)
{
diff --git a/stubs/slirp.c b/stubs/slirp.c
index 42f7e1afd0..70704346fd 100644
--- a/stubs/slirp.c
+++ b/stubs/slirp.c
@@ -1,7 +1,7 @@
#include "qemu/osdep.h"
#include "qemu-common.h"
#include "qemu/host-utils.h"
-#include "slirp/slirp.h"
+#include "slirp/libslirp.h"
void slirp_pollfds_fill(GArray *pollfds, uint32_t *timeout)
{
--
2.19.1.708.g4ede3d42df
- [Qemu-devel] [PATCH for-3.2 35/41] slirp: NULL is defined by glib (at least), (continued)
- [Qemu-devel] [PATCH for-3.2 35/41] slirp: NULL is defined by glib (at least), Marc-André Lureau, 2018/11/14
- [Qemu-devel] [PATCH for-3.2 36/41] slirp: remove dead TCP_ACK_HACK code, Marc-André Lureau, 2018/11/14
- [Qemu-devel] [PATCH for-3.2 37/41] slirp: replace ARRAY_SIZE with G_N_ELEMENTS, Marc-André Lureau, 2018/11/14
- [Qemu-devel] [PATCH for-3.2 38/41] net: do not depend on slirp internals,
Marc-André Lureau <=
- [Qemu-devel] [PATCH for-3.2 39/41] slirp: move QEMU state saving to a separate unit, Marc-André Lureau, 2018/11/14
- [Qemu-devel] [PATCH for-3.2 41/41] build-sys: add a basic meson build, Marc-André Lureau, 2018/11/14
- [Qemu-devel] [PATCH for-3.2 40/41] slirp: replace remaining QEMU dependency, Marc-André Lureau, 2018/11/14
- Re: [Qemu-devel] [PATCH for-3.2 00/41] RFC: slirp: make it again a standalone project, Markus Armbruster, 2018/11/14