diff options
| author | Dmitry Vyukov <dvyukov@google.com> | 2020-02-18 08:41:46 +0100 |
|---|---|---|
| committer | Dmitry Vyukov <dvyukov@google.com> | 2020-02-18 10:31:02 +0100 |
| commit | 39cd0f85a1ac60b88c793bd8f4a981227614da88 (patch) | |
| tree | 1b2085d375199b8ce1251a41218129ceea1209db /pkg | |
| parent | b97f1e694a1c096eac2f48c6e3ca47e8a3c4693c (diff) | |
executor: disable IFF_NAPI_FRAGS
Update #1594
Diffstat (limited to 'pkg')
| -rw-r--r-- | pkg/csource/generated.go | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/pkg/csource/generated.go b/pkg/csource/generated.go index 5f4525627..13eb885b9 100644 --- a/pkg/csource/generated.go +++ b/pkg/csource/generated.go @@ -1536,16 +1536,23 @@ static void initialize_tun(void) struct ifreq ifr; memset(&ifr, 0, sizeof(ifr)); strncpy(ifr.ifr_name, TUN_IFACE, IFNAMSIZ); - ifr.ifr_flags = IFF_TAP | IFF_NO_PI | IFF_NAPI | IFF_NAPI_FRAGS; + ifr.ifr_flags = IFF_TAP | IFF_NO_PI; +#if ENABLE_NAPI_FRAGS + ifr.ifr_flags |= IFF_NAPI | IFF_NAPI_FRAGS; +#endif if (ioctl(tunfd, TUNSETIFF, (void*)&ifr) < 0) { +#if ENABLE_NAPI_FRAGS ifr.ifr_flags = IFF_TAP | IFF_NO_PI; if (ioctl(tunfd, TUNSETIFF, (void*)&ifr) < 0) +#endif fail("tun: ioctl(TUNSETIFF) failed"); } +#if ENABLE_NAPI_FRAGS if (ioctl(tunfd, TUNGETIFF, (void*)&ifr) < 0) fail("tun: ioctl(TUNGETIFF) failed"); tun_frags_enabled = (ifr.ifr_flags & IFF_NAPI_FRAGS) != 0; debug("tun_frags_enabled=%d\n", tun_frags_enabled); +#endif char sysctl[64]; sprintf(sysctl, "/proc/sys/net/ipv6/conf/%s/accept_dad", TUN_IFACE); write_file(sysctl, "0"); |