diff options
| author | Yuri Benditovich <yuri.benditovich@daynix.com> | 2023-08-01 01:31:46 +0300 |
|---|---|---|
| committer | Jason Wang <jasowang@redhat.com> | 2023-09-18 14:36:13 +0800 |
| commit | f03e0cf63b97a2f98d3b642ee5e7b3bb4379b4b1 (patch) | |
| tree | c79205f8ff2f632b9670b5f354fd3397f7713988 /net/tap.c | |
| parent | 2ab0ec31215e68f7af6b21b62e49141eb7c083e2 (diff) | |
| download | focaccia-qemu-f03e0cf63b97a2f98d3b642ee5e7b3bb4379b4b1.tar.gz focaccia-qemu-f03e0cf63b97a2f98d3b642ee5e7b3bb4379b4b1.zip | |
tap: Add check for USO features
Tap indicates support for USO features according to capabilities of current kernel module. Signed-off-by: Yuri Benditovich <yuri.benditovich@daynix.com> Signed-off-by: Andrew Melnychecnko <andrew@daynix.com> Signed-off-by: Jason Wang <jasowang@redhat.com>
Diffstat (limited to 'net/tap.c')
| -rw-r--r-- | net/tap.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/net/tap.c b/net/tap.c index 14ea4ef26f..bcea8d03f9 100644 --- a/net/tap.c +++ b/net/tap.c @@ -57,6 +57,7 @@ typedef struct TAPState { bool write_poll; bool using_vnet_hdr; bool has_ufo; + bool has_uso; bool enabled; VHostNetState *vhost_net; unsigned host_vnet_hdr_len; @@ -237,6 +238,15 @@ static bool tap_has_ufo(NetClientState *nc) return s->has_ufo; } +static bool tap_has_uso(NetClientState *nc) +{ + TAPState *s = DO_UPCAST(TAPState, nc, nc); + + assert(nc->info->type == NET_CLIENT_DRIVER_TAP); + + return s->has_uso; +} + static bool tap_has_vnet_hdr(NetClientState *nc) { TAPState *s = DO_UPCAST(TAPState, nc, nc); @@ -384,6 +394,7 @@ static NetClientInfo net_tap_info = { .poll = tap_poll, .cleanup = tap_cleanup, .has_ufo = tap_has_ufo, + .has_uso = tap_has_uso, .has_vnet_hdr = tap_has_vnet_hdr, .has_vnet_hdr_len = tap_has_vnet_hdr_len, .get_using_vnet_hdr = tap_get_using_vnet_hdr, @@ -413,6 +424,7 @@ static TAPState *net_tap_fd_init(NetClientState *peer, s->host_vnet_hdr_len = vnet_hdr ? sizeof(struct virtio_net_hdr) : 0; s->using_vnet_hdr = false; s->has_ufo = tap_probe_has_ufo(s->fd); + s->has_uso = tap_probe_has_uso(s->fd); s->enabled = true; tap_set_offload(&s->nc, 0, 0, 0, 0, 0, 0, 0); /* |