X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=lib%2Fnetlink-socket.h;h=78dd7b23a1375a22c796f7779eb0b1a4043ad3b3;hb=bc7a5acdff087b7e7a162da42ae608a83f3cf902;hp=6ed488050e9d0f10c40909769cb73806a7df0af0;hpb=6b7c12fdc1d3a08a934b29109fa6ffac6b45ebe0;p=openvswitch

diff --git a/lib/netlink-socket.h b/lib/netlink-socket.h
index 6ed48805..78dd7b23 100644
--- a/lib/netlink-socket.h
+++ b/lib/netlink-socket.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008, 2009, 2010, 2011 Nicira Networks.
+ * Copyright (c) 2008, 2009, 2010, 2011, 2012 Nicira, Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -35,9 +35,8 @@
 #include <stdbool.h>
 #include <stddef.h>
 #include <stdint.h>
-#include <sys/uio.h>
+#include "ofpbuf.h"
 
-struct ofpbuf;
 struct nl_sock;
 
 #ifndef HAVE_NETLINK
@@ -46,27 +45,50 @@ struct nl_sock;
 
 /* Netlink sockets. */
 int nl_sock_create(int protocol, struct nl_sock **);
+int nl_sock_clone(const struct nl_sock *, struct nl_sock **);
 void nl_sock_destroy(struct nl_sock *);
 
 int nl_sock_join_mcgroup(struct nl_sock *, unsigned int multicast_group);
 int nl_sock_leave_mcgroup(struct nl_sock *, unsigned int multicast_group);
 
 int nl_sock_send(struct nl_sock *, const struct ofpbuf *, bool wait);
-int nl_sock_sendv(struct nl_sock *sock, const struct iovec iov[], size_t n_iov,
-                  bool wait);
-int nl_sock_recv(struct nl_sock *, struct ofpbuf **, bool wait);
+int nl_sock_send_seq(struct nl_sock *, const struct ofpbuf *,
+                     uint32_t nlmsg_seq, bool wait);
+int nl_sock_recv(struct nl_sock *, struct ofpbuf *, bool wait);
 int nl_sock_transact(struct nl_sock *, const struct ofpbuf *request,
-                     struct ofpbuf **reply);
+                     struct ofpbuf **replyp);
 
 int nl_sock_drain(struct nl_sock *);
 
 void nl_sock_wait(const struct nl_sock *, short int events);
+int nl_sock_fd(const struct nl_sock *);
+
+uint32_t nl_sock_pid(const struct nl_sock *);
+
+/* Batching transactions. */
+struct nl_transaction {
+    /* Filled in by client. */
+    struct ofpbuf *request;     /* Request to send. */
+
+    /* The client must initialize 'reply' to one of:
+     *
+     *   - NULL, if it does not care to examine the reply.
+     *
+     *   - Otherwise, to an ofpbuf with a memory allocation of at least
+     *     NLMSG_HDRLEN bytes.
+     */
+    struct ofpbuf *reply;       /* Reply (empty if reply was an error code). */
+    int error;                  /* Positive errno value, 0 if no error. */
+};
+
+void nl_sock_transact_multiple(struct nl_sock *,
+                               struct nl_transaction **, size_t n);
 
 /* Table dumping. */
 struct nl_dump {
     struct nl_sock *sock;       /* Socket being dumped. */
     uint32_t seq;               /* Expected nlmsg_seq for replies. */
-    struct ofpbuf *buffer;      /* Receive buffer currently being iterated. */
+    struct ofpbuf buffer;       /* Receive buffer currently being iterated. */
     int status;                 /* 0=OK, EOF=done, or positive errno value. */
 };
 
@@ -77,5 +99,8 @@ int nl_dump_done(struct nl_dump *);
 
 /* Miscellaneous */
 int nl_lookup_genl_family(const char *name, int *number);
+int nl_lookup_genl_mcgroup(const char *family_name, const char *group_name,
+                           unsigned int *multicast_group,
+                           unsigned int fallback);
 
 #endif /* netlink-socket.h */