#include <errno.h>
#include <assert.h>
#include <netinet/in.h>
+#include <netinet/tcp.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <sys/poll.h>
int use_splice;
int pipes[2];
struct sockaddr_in addr;
+ struct sockaddr_in6 addr6;
struct sockaddr_un addr_un;
};
unsigned int proto;
unsigned int listen;
unsigned int pingpong;
+ unsigned int nodelay;
+ unsigned int ttl;
+ char *intfc;
};
struct udp_close_msg {
FIO_TYPE_TCP = 1,
FIO_TYPE_UDP = 2,
FIO_TYPE_UNIX = 3,
+ FIO_TYPE_TCP_V6 = 4,
+ FIO_TYPE_UDP_V6 = 5,
};
static int str_hostname_cb(void *data, const char *input);
.type = FIO_OPT_STR_STORE,
.cb = str_hostname_cb,
.help = "Hostname for net IO engine",
- .category = FIO_OPT_C_IO,
+ .category = FIO_OPT_C_ENGINE,
+ .group = FIO_OPT_G_NETIO,
},
{
.name = "port",
.minval = 1,
.maxval = 65535,
.help = "Port to use for TCP or UDP net connections",
- .category = FIO_OPT_C_IO,
+ .category = FIO_OPT_C_ENGINE,
+ .group = FIO_OPT_G_NETIO,
},
{
.name = "protocol",
.off1 = offsetof(struct netio_options, proto),
.help = "Network protocol to use",
.def = "tcp",
- .category = FIO_OPT_C_IO,
.posval = {
{ .ival = "tcp",
.oval = FIO_TYPE_TCP,
.help = "Transmission Control Protocol",
},
+ { .ival = "tcpv6",
+ .oval = FIO_TYPE_TCP_V6,
+ .help = "Transmission Control Protocol V6",
+ },
{ .ival = "udp",
.oval = FIO_TYPE_UDP,
.help = "User Datagram Protocol",
},
+ { .ival = "udpv6",
+ .oval = FIO_TYPE_UDP_V6,
+ .help = "User Datagram Protocol V6",
+ },
{ .ival = "unix",
.oval = FIO_TYPE_UNIX,
.help = "UNIX domain socket",
},
},
+ .category = FIO_OPT_C_ENGINE,
+ .group = FIO_OPT_G_NETIO,
+ },
+#ifdef CONFIG_TCP_NODELAY
+ {
+ .name = "nodelay",
+ .type = FIO_OPT_BOOL,
+ .off1 = offsetof(struct netio_options, nodelay),
+ .help = "Use TCP_NODELAY on TCP connections",
+ .category = FIO_OPT_C_ENGINE,
+ .group = FIO_OPT_G_NETIO,
},
+#endif
{
.name = "listen",
.lname = "net engine listen",
.type = FIO_OPT_STR_SET,
.off1 = offsetof(struct netio_options, listen),
.help = "Listen for incoming TCP connections",
- .category = FIO_OPT_C_IO,
+ .category = FIO_OPT_C_ENGINE,
+ .group = FIO_OPT_G_NETIO,
},
{
.name = "pingpong",
.type = FIO_OPT_STR_SET,
.off1 = offsetof(struct netio_options, pingpong),
.help = "Ping-pong IO requests",
+ .category = FIO_OPT_C_ENGINE,
+ .group = FIO_OPT_G_NETIO,
+ },
+ {
+ .name = "interface",
+ .lname = "net engine interface",
+ .type = FIO_OPT_STR_STORE,
+ .off1 = offsetof(struct netio_options, intfc),
+ .help = "Network interface to use",
+ .category = FIO_OPT_C_ENGINE,
+ .group = FIO_OPT_G_NETIO,
+ },
+ {
+ .name = "ttl",
+ .lname = "net engine multicast ttl",
+ .type = FIO_OPT_INT,
+ .off1 = offsetof(struct netio_options, ttl),
+ .def = "1",
+ .minval = 0,
+ .help = "Time-to-live value for outgoing UDP multicast packets",
+ .category = FIO_OPT_C_ENGINE,
+ .group = FIO_OPT_G_NETIO,
},
{
.name = NULL,
},
};
+static inline int is_udp(struct netio_options *o)
+{
+ return o->proto == FIO_TYPE_UDP || o->proto == FIO_TYPE_UDP_V6;
+}
+
+static inline int is_tcp(struct netio_options *o)
+{
+ return o->proto == FIO_TYPE_TCP || o->proto == FIO_TYPE_TCP_V6;
+}
+
+static inline int is_ipv6(struct netio_options *o)
+{
+ return o->proto == FIO_TYPE_UDP_V6 || o->proto == FIO_TYPE_TCP_V6;
+}
+
/*
* Return -1 for error and 'nr events' for a positive number
* of events
return -1;
}
+static int fio_netio_is_multicast(const char *mcaddr)
+{
+ in_addr_t addr = inet_network(mcaddr);
+ if (addr == -1)
+ return 0;
+
+ if (inet_network("224.0.0.0") <= addr &&
+ inet_network("239.255.255.255") >= addr)
+ return 1;
+
+ return 0;
+}
+
+
static int fio_netio_prep(struct thread_data *td, struct io_u *io_u)
{
struct netio_options *o = td->eo;
/*
* Make sure we don't see spurious reads to a receiver, and vice versa
*/
- if (o->proto == FIO_TYPE_TCP)
+ if (is_tcp(o))
return 0;
if ((o->listen && io_u->ddir == DDIR_WRITE) ||
return 0;
}
-#ifdef FIO_HAVE_SPLICE
+#ifdef CONFIG_LINUX_SPLICE
static int splice_io_u(int fdin, int fdout, unsigned int len)
{
int bytes = 0;
int ret, flags = 0;
do {
- if (o->proto == FIO_TYPE_UDP) {
- struct sockaddr *to = (struct sockaddr *) &nd->addr;
+ if (is_udp(o)) {
+ struct sockaddr *to;
+ socklen_t len;
+
+ if (is_ipv6(o)) {
+ to = (struct sockaddr *) &nd->addr6;
+ len = sizeof(nd->addr6);
+ } else {
+ to = (struct sockaddr *) &nd->addr;
+ len = sizeof(nd->addr);
+ }
ret = sendto(io_u->file->fd, io_u->xfer_buf,
- io_u->xfer_buflen, flags, to,
- sizeof(*to));
+ io_u->xfer_buflen, flags, to, len);
} else {
/*
* if we are going to write more, set MSG_MORE
int ret, flags = 0;
do {
- if (o->proto == FIO_TYPE_UDP) {
- fio_socklen_t len = sizeof(nd->addr);
- struct sockaddr *from = (struct sockaddr *) &nd->addr;
+ if (is_udp(o)) {
+ struct sockaddr *from;
+ socklen_t l, *len = &l;
+
+ if (o->listen) {
+ if (!is_ipv6(o)) {
+ from = (struct sockaddr *) &nd->addr;
+ *len = sizeof(nd->addr);
+ } else {
+ from = (struct sockaddr *) &nd->addr6;
+ *len = sizeof(nd->addr6);
+ }
+ } else {
+ from = NULL;
+ len = NULL;
+ }
ret = recvfrom(io_u->file->fd, io_u->xfer_buf,
- io_u->xfer_buflen, flags, from, &len);
+ io_u->xfer_buflen, flags, from, len);
if (is_udp_close(io_u, ret)) {
td->done = 1;
return 0;
int ret;
if (ddir == DDIR_WRITE) {
- if (!nd->use_splice || o->proto == FIO_TYPE_UDP ||
+ if (!nd->use_splice || is_udp(o) ||
o->proto == FIO_TYPE_UNIX)
ret = fio_netio_send(td, io_u);
else
ret = fio_netio_splice_out(td, io_u);
} else if (ddir == DDIR_READ) {
- if (!nd->use_splice || o->proto == FIO_TYPE_UDP ||
+ if (!nd->use_splice || is_udp(o) ||
o->proto == FIO_TYPE_UNIX)
ret = fio_netio_recv(td, io_u);
else
if (o->proto == FIO_TYPE_TCP) {
domain = AF_INET;
type = SOCK_STREAM;
+ } else if (o->proto == FIO_TYPE_TCP_V6) {
+ domain = AF_INET6;
+ type = SOCK_STREAM;
} else if (o->proto == FIO_TYPE_UDP) {
domain = AF_INET;
type = SOCK_DGRAM;
+ } else if (o->proto == FIO_TYPE_UDP_V6) {
+ domain = AF_INET6;
+ type = SOCK_DGRAM;
} else if (o->proto == FIO_TYPE_UNIX) {
domain = AF_UNIX;
type = SOCK_STREAM;
return 1;
}
- if (o->proto == FIO_TYPE_UDP)
+#ifdef CONFIG_TCP_NODELAY
+ if (o->nodelay && is_tcp(o)) {
+ int optval = 1;
+
+ if (setsockopt(f->fd, IPPROTO_TCP, TCP_NODELAY, (void *) &optval, sizeof(int)) < 0) {
+ log_err("fio: cannot set TCP_NODELAY option on socket (%s), disable with 'nodelay=0'\n", strerror(errno));
+ return 1;
+ }
+ }
+#endif
+
+ if (is_udp(o)) {
+ if (!fio_netio_is_multicast(td->o.filename))
+ return 0;
+ if (is_ipv6(o)) {
+ log_err("fio: multicast not supported on IPv6\n");
+ close(f->fd);
+ return 1;
+ }
+
+ if (o->intfc) {
+ struct in_addr interface_addr;
+
+ if (inet_aton(o->intfc, &interface_addr) == 0) {
+ log_err("fio: interface not valid interface IP\n");
+ close(f->fd);
+ return 1;
+ }
+ if (setsockopt(f->fd, IPPROTO_IP, IP_MULTICAST_IF, (const char*)&interface_addr, sizeof(interface_addr)) < 0) {
+ td_verror(td, errno, "setsockopt IP_MULTICAST_IF");
+ close(f->fd);
+ return 1;
+ }
+ }
+ if (setsockopt(f->fd, IPPROTO_IP, IP_MULTICAST_TTL, (const char*)&o->ttl, sizeof(o->ttl)) < 0) {
+ td_verror(td, errno, "setsockopt IP_MULTICAST_TTL");
+ close(f->fd);
+ return 1;
+ }
return 0;
- else if (o->proto == FIO_TYPE_TCP) {
- fio_socklen_t len = sizeof(nd->addr);
+ } else if (o->proto == FIO_TYPE_TCP) {
+ socklen_t len = sizeof(nd->addr);
if (connect(f->fd, (struct sockaddr *) &nd->addr, len) < 0) {
td_verror(td, errno, "connect");
close(f->fd);
return 1;
}
+ } else if (o->proto == FIO_TYPE_TCP_V6) {
+ socklen_t len = sizeof(nd->addr6);
+
+ if (connect(f->fd, (struct sockaddr *) &nd->addr6, len) < 0) {
+ td_verror(td, errno, "connect");
+ close(f->fd);
+ return 1;
+ }
+
} else {
struct sockaddr_un *addr = &nd->addr_un;
- fio_socklen_t len;
+ socklen_t len;
len = sizeof(addr->sun_family) + strlen(addr->sun_path) + 1;
{
struct netio_data *nd = td->io_ops->data;
struct netio_options *o = td->eo;
- fio_socklen_t socklen = sizeof(nd->addr);
+ socklen_t socklen;
int state;
- if (o->proto == FIO_TYPE_UDP) {
+ if (is_udp(o)) {
f->fd = nd->listenfd;
return 0;
}
if (poll_wait(td, nd->listenfd, POLLIN) < 0)
goto err;
- f->fd = accept(nd->listenfd, (struct sockaddr *) &nd->addr, &socklen);
+ if (o->proto == FIO_TYPE_TCP) {
+ socklen = sizeof(nd->addr);
+ f->fd = accept(nd->listenfd, (struct sockaddr *) &nd->addr, &socklen);
+ } else {
+ socklen = sizeof(nd->addr6);
+ f->fd = accept(nd->listenfd, (struct sockaddr *) &nd->addr6, &socklen);
+ }
+
if (f->fd < 0) {
td_verror(td, errno, "accept");
goto err;
}
+#ifdef CONFIG_TCP_NODELAY
+ if (o->nodelay && is_tcp(o)) {
+ int optval = 1;
+
+ if (setsockopt(f->fd, IPPROTO_TCP, TCP_NODELAY, (void *) &optval, sizeof(int)) < 0) {
+ log_err("fio: cannot set TCP_NODELAY option on socket (%s), disable with 'nodelay=0'\n", strerror(errno));
+ return 1;
+ }
+ }
+#endif
+
reset_all_stats(td);
td_set_runstate(td, state);
return 0;
static void fio_netio_udp_close(struct thread_data *td, struct fio_file *f)
{
struct netio_data *nd = td->io_ops->data;
+ struct netio_options *o = td->eo;
struct udp_close_msg msg;
- struct sockaddr *to = (struct sockaddr *) &nd->addr;
+ struct sockaddr *to;
+ socklen_t len;
int ret;
+ if (is_ipv6(o)) {
+ to = (struct sockaddr *) &nd->addr6;
+ len = sizeof(nd->addr6);
+ } else {
+ to = (struct sockaddr *) &nd->addr;
+ len = sizeof(nd->addr);
+ }
+
msg.magic = htonl(FIO_LINK_OPEN_CLOSE_MAGIC);
msg.cmd = htonl(FIO_LINK_CLOSE);
- ret = sendto(f->fd, &msg, sizeof(msg), MSG_WAITALL, to,
- sizeof(nd->addr));
+ ret = sendto(f->fd, (void *) &msg, sizeof(msg), MSG_WAITALL, to, len);
if (ret < 0)
td_verror(td, errno, "sendto udp link close");
}
* If this is an UDP connection, notify the receiver that we are
* closing down the link
*/
- if (o->proto == FIO_TYPE_UDP)
+ if (is_udp(o))
fio_netio_udp_close(td, f);
return generic_close_file(td, f);
static int fio_netio_udp_recv_open(struct thread_data *td, struct fio_file *f)
{
struct netio_data *nd = td->io_ops->data;
+ struct netio_options *o = td->eo;
struct udp_close_msg msg;
- struct sockaddr *to = (struct sockaddr *) &nd->addr;
- fio_socklen_t len = sizeof(nd->addr);
+ struct sockaddr *to;
+ socklen_t len;
int ret;
- ret = recvfrom(f->fd, &msg, sizeof(msg), MSG_WAITALL, to, &len);
+ if (is_ipv6(o)) {
+ len = sizeof(nd->addr6);
+ to = (struct sockaddr *) &nd->addr6;
+ } else {
+ len = sizeof(nd->addr);
+ to = (struct sockaddr *) &nd->addr;
+ }
+
+ ret = recvfrom(f->fd, (void *) &msg, sizeof(msg), MSG_WAITALL, to, &len);
if (ret < 0) {
- td_verror(td, errno, "sendto udp link open");
+ td_verror(td, errno, "recvfrom udp link open");
return ret;
}
static int fio_netio_udp_send_open(struct thread_data *td, struct fio_file *f)
{
struct netio_data *nd = td->io_ops->data;
+ struct netio_options *o = td->eo;
struct udp_close_msg msg;
- struct sockaddr *to = (struct sockaddr *) &nd->addr;
+ struct sockaddr *to;
+ socklen_t len;
int ret;
+ if (is_ipv6(o)) {
+ len = sizeof(nd->addr6);
+ to = (struct sockaddr *) &nd->addr6;
+ } else {
+ len = sizeof(nd->addr);
+ to = (struct sockaddr *) &nd->addr;
+ }
+
msg.magic = htonl(FIO_LINK_OPEN_CLOSE_MAGIC);
msg.cmd = htonl(FIO_LINK_OPEN);
- ret = sendto(f->fd, &msg, sizeof(msg), MSG_WAITALL, to,
- sizeof(nd->addr));
+ ret = sendto(f->fd, (void *) &msg, sizeof(msg), MSG_WAITALL, to, len);
if (ret < 0) {
td_verror(td, errno, "sendto udp link open");
return ret;
return ret;
}
- if (o->proto == FIO_TYPE_UDP) {
+ if (is_udp(o)) {
if (td_write(td))
ret = fio_netio_udp_send_open(td, f);
else {
const char *host, unsigned short port)
{
struct netio_data *nd = td->io_ops->data;
+ struct netio_options *o = td->eo;
if (!host) {
log_err("fio: connect with no host to connect to.\n");
return 1;
}
- nd->addr.sin_family = AF_INET;
- nd->addr.sin_port = htons(port);
+ if (is_ipv6(o)) {
+ nd->addr6.sin6_family = AF_INET6;
+ nd->addr6.sin6_port = htons(port);
- if (inet_aton(host, &nd->addr.sin_addr) != 1) {
- struct hostent *hent;
+ if (!inet_pton(AF_INET6, host, &nd->addr6.sin6_addr)) {
+ struct addrinfo hints, *res;
- hent = gethostbyname(host);
- if (!hent) {
- td_verror(td, errno, "gethostbyname");
- return 1;
+ memset(&hints, 0, sizeof(hints));
+ hints.ai_socktype = SOCK_STREAM;
+
+ if (getaddrinfo(host, NULL, &hints, &res)) {
+ td_verror(td, errno, "gethostbyname");
+ return 1;
+ }
+
+ memcpy(&nd->addr6.sin6_addr, &((struct sockaddr_in6 *) res->ai_addr)->sin6_addr, sizeof(nd->addr6.sin6_addr));
+ freeaddrinfo(res);
}
+ } else {
+ nd->addr.sin_family = AF_INET;
+ nd->addr.sin_port = htons(port);
- memcpy(&nd->addr.sin_addr, hent->h_addr, 4);
+ if (!inet_pton(AF_INET, host, &nd->addr.sin_addr)) {
+ struct addrinfo hints, *res;
+
+ memset(&hints, 0, sizeof(hints));
+ hints.ai_socktype = SOCK_STREAM;
+
+ if (getaddrinfo(host, NULL, &hints, &res)) {
+ td_verror(td, errno, "gethostbyname");
+ return 1;
+ }
+
+ memcpy(&nd->addr.sin_addr, &((struct sockaddr_in *) res->ai_addr)->sin_addr, sizeof(nd->addr.sin_addr));
+ freeaddrinfo(res);
+ }
}
return 0;
{
struct netio_options *o = td->eo;
- if (o->proto == FIO_TYPE_UDP || o->proto == FIO_TYPE_TCP)
+ if (is_udp(o) || is_tcp(o))
return fio_netio_setup_connect_inet(td, td->o.filename,o->port);
else
return fio_netio_setup_connect_unix(td, td->o.filename);
{
struct netio_data *nd = td->io_ops->data;
struct netio_options *o = td->eo;
- int fd, opt, type;
+ struct ip_mreq mr;
+ struct sockaddr_in sin;
+ struct sockaddr_in6 sin6;
+ struct sockaddr *saddr;
+ int fd, opt, type, domain;
+ socklen_t len;
+
+ memset(&sin, 0, sizeof(sin));
+ memset(&sin6, 0, sizeof(sin6));
- if (o->proto == FIO_TYPE_TCP)
+ if (o->proto == FIO_TYPE_TCP) {
type = SOCK_STREAM;
- else
+ domain = AF_INET;
+ } else if (o->proto == FIO_TYPE_TCP_V6) {
+ type = SOCK_STREAM;
+ domain = AF_INET6;
+ } else if (o->proto == FIO_TYPE_UDP) {
type = SOCK_DGRAM;
+ domain = AF_INET;
+ } else if (o->proto == FIO_TYPE_UDP_V6) {
+ type = SOCK_DGRAM;
+ domain = AF_INET6;
+ } else {
+ log_err("fio: unknown proto %d\n", o->proto);
+ return 1;
+ }
- fd = socket(AF_INET, type, 0);
+ fd = socket(domain, type, 0);
if (fd < 0) {
td_verror(td, errno, "socket");
return 1;
}
opt = 1;
- if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt)) < 0) {
+ if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (void *) &opt, sizeof(opt)) < 0) {
td_verror(td, errno, "setsockopt");
+ close(fd);
return 1;
}
#ifdef SO_REUSEPORT
- if (setsockopt(fd, SOL_SOCKET, SO_REUSEPORT, &opt, sizeof(opt)) < 0) {
+ if (setsockopt(fd, SOL_SOCKET, SO_REUSEPORT, (void *) &opt, sizeof(opt)) < 0) {
td_verror(td, errno, "setsockopt");
+ close(fd);
return 1;
}
#endif
- nd->addr.sin_family = AF_INET;
- nd->addr.sin_addr.s_addr = htonl(INADDR_ANY);
- nd->addr.sin_port = htons(port);
+ if (td->o.filename){
+ if (!is_udp(o) || !fio_netio_is_multicast(td->o.filename)) {
+ log_err("fio: hostname not valid for non-multicast inbound network IO\n");
+ close(fd);
+ return 1;
+ }
+
+ inet_aton(td->o.filename, &sin.sin_addr);
+
+ mr.imr_multiaddr = sin.sin_addr;
+ if (o->intfc) {
+ if (inet_aton(o->intfc, &mr.imr_interface) == 0) {
+ log_err("fio: interface not valid interface IP\n");
+ close(fd);
+ return 1;
+ }
+ } else {
+ mr.imr_interface.s_addr = htonl(INADDR_ANY);
+ }
+ if (setsockopt(fd, IPPROTO_IP, IP_ADD_MEMBERSHIP, (const char*)&mr, sizeof(mr)) < 0) {
+ td_verror(td, errno, "setsockopt IP_ADD_MEMBERSHIP");
+ close(fd);
+ return 1;
+ }
+ }
- if (bind(fd, (struct sockaddr *) &nd->addr, sizeof(nd->addr)) < 0) {
+ if (!is_ipv6(o)) {
+ saddr = (struct sockaddr *) &nd->addr;
+ len = sizeof(nd->addr);
+
+ nd->addr.sin_family = AF_INET;
+ nd->addr.sin_addr.s_addr = sin.sin_addr.s_addr ? sin.sin_addr.s_addr : htonl(INADDR_ANY);
+ nd->addr.sin_port = htons(port);
+ } else {
+ saddr = (struct sockaddr *) &nd->addr6;
+ len = sizeof(nd->addr6);
+
+ nd->addr6.sin6_family = AF_INET6;
+ nd->addr6.sin6_addr = sin6.sin6_addr.s6_addr ? sin6.sin6_addr : in6addr_any;
+ nd->addr6.sin6_port = htons(port);
+ }
+
+ if (bind(fd, saddr, len) < 0) {
td_verror(td, errno, "bind");
return 1;
}
struct netio_options *o = td->eo;
int ret;
- if (o->proto == FIO_TYPE_UDP || o->proto == FIO_TYPE_TCP)
+ if (is_udp(o) || is_tcp(o))
ret = fio_netio_setup_listen_inet(td, o->port);
else
ret = fio_netio_setup_listen_unix(td, td->o.filename);
if (ret)
return ret;
- if (o->proto == FIO_TYPE_UDP)
+ if (is_udp(o))
return 0;
if (listen(nd->listenfd, 10) < 0) {
return 1;
}
- if (o->proto != FIO_TYPE_TCP) {
+ if (!is_tcp(o)) {
if (o->listen) {
log_err("fio: listen only valid for TCP proto IO\n");
return 1;
o->listen = td_read(td);
}
- if (o->proto != FIO_TYPE_UNIX && o->listen && td->o.filename) {
- log_err("fio: hostname not valid for inbound network IO\n");
- return 1;
- }
-
if (o->listen)
ret = fio_netio_setup_listen(td);
else
kill(td->pid, SIGUSR2);
}
-#ifdef FIO_HAVE_SPLICE
+#ifdef CONFIG_LINUX_SPLICE
static int fio_netio_setup_splice(struct thread_data *td)
{
struct netio_data *nd;
.options = options,
.option_struct_size = sizeof(struct netio_options),
.flags = FIO_SYNCIO | FIO_DISKLESSIO | FIO_UNIDIR |
- FIO_PIPEIO,
+ FIO_PIPEIO | FIO_BIT_BASED,
};
static int str_hostname_cb(void *data, const char *input)
static void fio_init fio_netio_register(void)
{
register_ioengine(&ioengine_rw);
-#ifdef FIO_HAVE_SPLICE
+#ifdef CONFIG_LINUX_SPLICE
register_ioengine(&ioengine_splice);
#endif
}
static void fio_exit fio_netio_unregister(void)
{
unregister_ioengine(&ioengine_rw);
-#ifdef FIO_HAVE_SPLICE
+#ifdef CONFIG_LINUX_SPLICE
unregister_ioengine(&ioengine_splice);
#endif
}