diff options
Diffstat (limited to 'samples/bpf/xdp_tx_iptunnel_user.c')
| -rw-r--r-- | samples/bpf/xdp_tx_iptunnel_user.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/samples/bpf/xdp_tx_iptunnel_user.c b/samples/bpf/xdp_tx_iptunnel_user.c index 5093d8220da5..e3de60930d27 100644 --- a/samples/bpf/xdp_tx_iptunnel_user.c +++ b/samples/bpf/xdp_tx_iptunnel_user.c @@ -25,7 +25,7 @@ #define STATS_INTERVAL_S 2U static int ifindex = -1; -static __u32 xdp_flags = 0; +static __u32 xdp_flags = XDP_FLAGS_UPDATE_IF_NOEXIST; static int rxcnt_map_fd; static void int_exit(int sig) @@ -83,6 +83,7 @@ static void usage(const char *cmd) printf(" -P <IP-Protocol> Default is TCP\n"); printf(" -S use skb-mode\n"); printf(" -N enforce native mode\n"); + printf(" -F Force loading the XDP prog\n"); printf(" -h Display this help\n"); } @@ -145,7 +146,7 @@ int main(int argc, char **argv) }; struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY}; int min_port = 0, max_port = 0, vip2tnl_map_fd; - const char *optstr = "i:a:p:s:d:m:T:P:SNh"; + const char *optstr = "i:a:p:s:d:m:T:P:FSNh"; unsigned char opt_flags[256] = {}; unsigned int kill_after_s = 0; struct iptnl_info tnl = {}; @@ -217,6 +218,9 @@ int main(int argc, char **argv) case 'N': xdp_flags |= XDP_FLAGS_DRV_MODE; break; + case 'F': + xdp_flags &= ~XDP_FLAGS_UPDATE_IF_NOEXIST; + break; default: usage(argv[0]); return 1; |