diff options
| -rw-r--r-- | net/tap-aix.c | 6 | ||||
| -rw-r--r-- | net/tap-bsd.c | 5 | ||||
| -rw-r--r-- | net/tap-linux.c | 23 | ||||
| -rw-r--r-- | net/tap-solaris.c | 5 | ||||
| -rw-r--r-- | net/tap.c | 25 | ||||
| -rw-r--r-- | net/tap.h | 2 |
6 files changed, 42 insertions, 24 deletions
diff --git a/net/tap-aix.c b/net/tap-aix.c index 5ec3b2c..3f9ccdd 100644 --- a/net/tap-aix.c +++ b/net/tap-aix.c @@ -30,3 +30,9 @@ int tap_open(char *ifname, int ifname_size, int *vnet_hdr, int vnet_hdr_required fprintf(stderr, "no tap on AIX\n"); return -1; } + +int tap_set_sndbuf(int fd, QemuOpts *opts) +{ + return 0; +} + diff --git a/net/tap-bsd.c b/net/tap-bsd.c index 6940434..e28615f 100644 --- a/net/tap-bsd.c +++ b/net/tap-bsd.c @@ -60,3 +60,8 @@ int tap_open(char *ifname, int ifname_size, int *vnet_hdr, int vnet_hdr_required fcntl(fd, F_SETFL, O_NONBLOCK); return fd; } + +int tap_set_sndbuf(int fd, QemuOpts *opts) +{ + return 0; +} diff --git a/net/tap-linux.c b/net/tap-linux.c index c6f751e..6c3b6e3 100644 --- a/net/tap-linux.c +++ b/net/tap-linux.c @@ -76,3 +76,26 @@ int tap_open(char *ifname, int ifname_size, int *vnet_hdr, int vnet_hdr_required fcntl(fd, F_SETFL, O_NONBLOCK); return fd; } + +/* sndbuf should be set to a value lower than the tx queue + * capacity of any destination network interface. + * Ethernet NICs generally have txqueuelen=1000, so 1Mb is + * a good default, given a 1500 byte MTU. + */ +#define TAP_DEFAULT_SNDBUF 1024*1024 + +int tap_set_sndbuf(int fd, QemuOpts *opts) +{ + int sndbuf; + + sndbuf = qemu_opt_get_size(opts, "sndbuf", TAP_DEFAULT_SNDBUF); + if (!sndbuf) { + sndbuf = INT_MAX; + } + + if (ioctl(fd, TUNSETSNDBUF, &sndbuf) == -1 && qemu_opt_get(opts, "sndbuf")) { + qemu_error("TUNSETSNDBUF ioctl failed: %s\n", strerror(errno)); + return -1; + } + return 0; +} diff --git a/net/tap-solaris.c b/net/tap-solaris.c index 0dd5b68..de5855a 100644 --- a/net/tap-solaris.c +++ b/net/tap-solaris.c @@ -183,3 +183,8 @@ int tap_open(char *ifname, int ifname_size, int *vnet_hdr, int vnet_hdr_required fcntl(fd, F_SETFL, O_NONBLOCK); return fd; } + +int tap_set_sndbuf(int fd, QemuOpts *opts) +{ + return 0; +} @@ -209,29 +209,6 @@ static void tap_send(void *opaque) } while (size > 0); } -/* sndbuf should be set to a value lower than the tx queue - * capacity of any destination network interface. - * Ethernet NICs generally have txqueuelen=1000, so 1Mb is - * a good default, given a 1500 byte MTU. - */ -#define TAP_DEFAULT_SNDBUF 1024*1024 - -static int tap_set_sndbuf(TAPState *s, QemuOpts *opts) -{ - int sndbuf; - - sndbuf = qemu_opt_get_size(opts, "sndbuf", TAP_DEFAULT_SNDBUF); - if (!sndbuf) { - sndbuf = INT_MAX; - } - - if (ioctl(s->fd, TUNSETSNDBUF, &sndbuf) == -1 && qemu_opt_get(opts, "sndbuf")) { - qemu_error("TUNSETSNDBUF ioctl failed: %s\n", strerror(errno)); - return -1; - } - return 0; -} - int tap_has_ufo(VLANClientState *vc) { TAPState *s = vc->opaque; @@ -465,7 +442,7 @@ int net_init_tap(QemuOpts *opts, Monitor *mon, const char *name, VLANState *vlan return -1; } - if (tap_set_sndbuf(s, opts) < 0) { + if (tap_set_sndbuf(s->fd, opts) < 0) { return -1; } @@ -43,4 +43,6 @@ int tap_has_vnet_hdr(VLANClientState *vc); void tap_using_vnet_hdr(VLANClientState *vc, int using_vnet_hdr); void tap_set_offload(VLANClientState *vc, int csum, int tso4, int tso6, int ecn, int ufo); +int tap_set_sndbuf(int fd, QemuOpts *opts); + #endif /* QEMU_NET_TAP_H */ |