diff options
Diffstat (limited to 'tools/lib')
| -rw-r--r-- | tools/lib/bpf/xsk.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/tools/lib/bpf/xsk.c b/tools/lib/bpf/xsk.c index 303ed633417b..8e0ffa800a71 100644 --- a/tools/lib/bpf/xsk.c +++ b/tools/lib/bpf/xsk.c @@ -431,13 +431,18 @@ static int xsk_get_max_queues(struct xsk_socket *xsk) goto out; } - if (err || channels.max_combined == 0) + if (err) { /* If the device says it has no channels, then all traffic * is sent to a single stream, so max queues = 1. */ ret = 1; - else - ret = channels.max_combined; + } else { + /* Take the max of rx, tx, combined. Drivers return + * the number of channels in different ways. + */ + ret = max(channels.max_rx, channels.max_tx); + ret = max(ret, (int)channels.max_combined); + } out: close(fd); |