diff options
| -rw-r--r-- | tools/ebpf/rss.bpf.c | 26 |
1 files changed, 11 insertions, 15 deletions
diff --git a/tools/ebpf/rss.bpf.c b/tools/ebpf/rss.bpf.c index 77434435ac..c989cb3cd8 100644 --- a/tools/ebpf/rss.bpf.c +++ b/tools/ebpf/rss.bpf.c @@ -547,27 +547,23 @@ int tun_rss_steering_prog(struct __sk_buff *skb) config = bpf_map_lookup_elem(&tap_rss_map_configurations, &key); toe = bpf_map_lookup_elem(&tap_rss_map_toeplitz_key, &key); - if (config && toe) { - if (!config->redirect) { - return config->default_queue; - } + if (!config || !toe) { + return 0; + } - if (calculate_rss_hash(skb, config, toe, &hash)) { - __u32 table_idx = hash % config->indirections_len; - __u16 *queue = 0; + if (config->redirect && calculate_rss_hash(skb, config, toe, &hash)) { + __u32 table_idx = hash % config->indirections_len; + __u16 *queue = 0; - queue = bpf_map_lookup_elem(&tap_rss_map_indirection_table, - &table_idx); + queue = bpf_map_lookup_elem(&tap_rss_map_indirection_table, + &table_idx); - if (queue) { - return *queue; - } + if (queue) { + return *queue; } - - return config->default_queue; } - return 0; + return config->default_queue; } char _license[] SEC("license") = "GPL v2"; |