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vhost-user: compare mode MODE_PASTA and not MODE_PASST

Browse source 
As we are going to introduce the MODE_VU that will act like
the mode MODE_PASST, compare to MODE_PASTA rather than to add
a comparison to MODE_VU when we check for MODE_PASST.

Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
This commit is contained in:
Laurent Vivier 2024-06-13 14:36:53 +02:00 committed by Stefano Brivio
parent 377b666dc9
commit 0c335d751a
6 changed files with 21 additions and 21 deletions
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14
conf.c
View file

@ -147,7 +147,7 @@ static void conf_ports(const struct ctx *c, char optname, const char *optarg,
if (fwd->mode)
goto mode_conflict;
if (c->mode != MODE_PASST)
if (c->mode == MODE_PASTA)
die("'all' port forwarding is only allowed for passt");
fwd->mode = FWD_ALL;
@ -1118,7 +1118,7 @@ static void conf_ugid(char *runas, uid_t *uid, gid_t *gid)
*/
static void conf_open_files(struct ctx *c)
{
if (c->mode == MODE_PASST && c->fd_tap == -1)
if (c->mode != MODE_PASTA && c->fd_tap == -1)
c->fd_tap_listen = tap_sock_unix_open(c->sock_path);
c->pidfile_fd = pidfile_open(c->pidfile);
@ -1285,7 +1285,7 @@ void conf(struct ctx *c, int argc, char **argv)
c->no_dhcp_dns = 0;
break;
case 6:
if (c->mode != MODE_PASST)
if (c->mode == MODE_PASTA)
die("--no-dhcp-dns is for passt mode only");
c->no_dhcp_dns = 1;
@ -1297,7 +1297,7 @@ void conf(struct ctx *c, int argc, char **argv)
c->no_dhcp_dns_search = 0;
break;
case 8:
if (c->mode != MODE_PASST)
if (c->mode == MODE_PASTA)
die("--no-dhcp-search is for passt mode only");
c->no_dhcp_dns_search = 1;
@ -1352,7 +1352,7 @@ void conf(struct ctx *c, int argc, char **argv)
break;
case 14:
fprintf(stdout,
c->mode == MODE_PASST ? "passt " : "pasta ");
c->mode == MODE_PASTA ? "pasta " : "passt ");
fprintf(stdout, VERSION_BLOB);
exit(EXIT_SUCCESS);
case 15:
@ -1648,7 +1648,7 @@ void conf(struct ctx *c, int argc, char **argv)
v6_only = true;
break;
case '1':
if (c->mode != MODE_PASST)
if (c->mode == MODE_PASTA)
die("--one-off is for passt mode only");
if (c->one_off)
@ -1694,7 +1694,7 @@ void conf(struct ctx *c, int argc, char **argv)
conf_ugid(runas, &uid, &gid);
if (logfile) {
logfile_init(c->mode == MODE_PASST ? "passt" : "pasta",
logfile_init(c->mode == MODE_PASTA ? "pasta" : "passt",
logfile, logsize);
}

10
isolation.c
View file

@ -312,7 +312,7 @@ int isolate_prefork(const struct ctx *c)
* PID namespace. For passt, use CLONE_NEWPID anyway, in case somebody
* ever gets around seccomp profiles -- there's no harm in passing it.
*/
if (!c->foreground || c->mode == MODE_PASST)
if (!c->foreground || c->mode != MODE_PASTA)
flags |= CLONE_NEWPID;
if (unshare(flags)) {
@ -379,12 +379,12 @@ void isolate_postfork(const struct ctx *c)
prctl(PR_SET_DUMPABLE, 0);
if (c->mode == MODE_PASST) {
prog.len = (unsigned short)ARRAY_SIZE(filter_passt);
prog.filter = filter_passt;
} else {
if (c->mode == MODE_PASTA) {
prog.len = (unsigned short)ARRAY_SIZE(filter_pasta);
prog.filter = filter_pasta;
} else {
prog.len = (unsigned short)ARRAY_SIZE(filter_passt);
prog.filter = filter_passt;
}
if (prctl(PR_SET_NO_NEW_PRIVS, 1, 0, 0, 0) ||

2
passt.c
View file

@ -333,7 +333,7 @@ loop:
uint32_t eventmask = events[i].events;
trace("%s: epoll event on %s %i (events: 0x%08x)",
c.mode == MODE_PASST ? "passt" : "pasta",
c.mode == MODE_PASTA ? "pasta" : "passt",
EPOLL_TYPE_STR(ref.type), ref.fd, eventmask);
switch (ref.type) {

12
tap.c
View file

@ -416,10 +416,10 @@ size_t tap_send_frames(const struct ctx *c, const struct iovec *iov,
if (!nframes)
return 0;
if (c->mode == MODE_PASST)
m = tap_send_frames_passt(c, iov, bufs_per_frame, nframes);
else
if (c->mode == MODE_PASTA)
m = tap_send_frames_pasta(c, iov, bufs_per_frame, nframes);
else
m = tap_send_frames_passt(c, iov, bufs_per_frame, nframes);
if (m < nframes)
debug("tap: failed to send %zu frames of %zu",
@ -1330,7 +1330,9 @@ void tap_sock_init(struct ctx *c)
return;
}
if (c->mode == MODE_PASST) {
if (c->mode == MODE_PASTA) {
tap_sock_tun_init(c);
} else {
tap_sock_unix_init(c);
/* In passt mode, we don't know the guest's MAC address until it
@ -1338,7 +1340,5 @@ void tap_sock_init(struct ctx *c)
* first packets will reach it.
*/
memset(&c->mac_guest, 0xff, sizeof(c->mac_guest));
} else {
tap_sock_tun_init(c);
}
}

2
tcp_buf.c
View file

@ -35,7 +35,7 @@
#define TCP_FRAMES_MEM 128
#define TCP_FRAMES \
(c->mode == MODE_PASST ? TCP_FRAMES_MEM : 1)
(c->mode == MODE_PASTA ? 1 : TCP_FRAMES_MEM)
/* Static buffers */
/**

2
udp.c
View file

@ -747,7 +747,7 @@ void udp_buf_sock_handler(const struct ctx *c, union epoll_ref ref, uint32_t eve
* whether we'll use tap or splice, always go one at a time
* for pasta mode.
*/
ssize_t n = (c->mode == MODE_PASST ? UDP_MAX_FRAMES : 1);
ssize_t n = (c->mode == MODE_PASTA ? 1 : UDP_MAX_FRAMES);
in_port_t dstport = ref.udp.port;
bool v6 = ref.udp.v6;
struct mmsghdr *mmh_recv;