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net: Added SetSteeringEBPF method for NetClientState.

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For now, that method supported only by Linux TAP.
Linux TAP uses TUNSETSTEERINGEBPF ioctl.

Signed-off-by: Andrew Melnychenko <andrew@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
This commit is contained in:
Andrew Melnychenko
2021-05-14 14:48:30 +03:00
committed by Jason Wang
parent 78258debe0
commit 8f364e344c
7 changed files with 40 additions and 0 deletions
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9
net/tap.c
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@ -347,6 +347,14 @@ static void tap_poll(NetClientState *nc, bool enable)
tap_write_poll(s, enable);
}
static bool tap_set_steering_ebpf(NetClientState *nc, int prog_fd)
{
TAPState *s = DO_UPCAST(TAPState, nc, nc);
assert(nc->info->type == NET_CLIENT_DRIVER_TAP);
return tap_fd_set_steering_ebpf(s->fd, prog_fd) == 0;
}
int tap_get_fd(NetClientState *nc)
{
TAPState *s = DO_UPCAST(TAPState, nc, nc);
@ -372,6 +380,7 @@ static NetClientInfo net_tap_info = {
.set_vnet_hdr_len = tap_set_vnet_hdr_len,
.set_vnet_le = tap_set_vnet_le,
.set_vnet_be = tap_set_vnet_be,
.set_steering_ebpf = tap_set_steering_ebpf,
};
static TAPState *net_tap_fd_init(NetClientState *peer,