On Fri, 28 Feb 2025 16:58:51 +0900 Akihiko Odaki wrote:
The added tests confirm tun can perform RSS and hash reporting, and reject invalid configurations for them.
The tests may benefit from using FIXTURE_VARIANT(), up to you.
The IPv4 tests fail reliably on a VM with a debug kernel (kernel/configs/debug.config included in the config):
# 5.90 [+0.00] ok 14 tun_vnet_hash.unclassified # 5.90 [+0.00] # RUN tun_vnet_hash.ipv4 ... # 6.18 [+0.28] # tun.c:669:ipv4:Expected 0 (0) != tun_vnet_hash_check(self->source_fd, self->dest_fds, &packet, sizeof(packet), 0, VIRTIO_NET_HASH_REPORT_IPv4, 0x6e45d952) (0) # 15.09 [+8.92] # ipv4: Test failed # 15.10 [+0.00] # FAIL tun_vnet_hash.ipv4 # 15.10 [+0.00] not ok 15 tun_vnet_hash.ipv4 # 15.10 [+0.00] # RUN tun_vnet_hash.tcpv4 ... # 15.36 [+0.26] # tun.c:689:tcpv4:Expected 0 (0) != tun_vnet_hash_check(self->source_fd, self->dest_fds, &packet, sizeof(packet), VIRTIO_NET_HDR_F_DATA_VALID, VIRTIO_NET_HASH_REPORT_TCPv4, 0xfb63539a) (0) # 24.76 [+9.40] # tcpv4: Test failed # 24.76 [+0.00] # FAIL tun_vnet_hash.tcpv4 # 24.76 [+0.00] not ok 16 tun_vnet_hash.tcpv4 # 24.77 [+0.00] # RUN tun_vnet_hash.udpv4 ... # 25.05 [+0.28] # tun.c:710:udpv4:Expected 0 (0) != tun_vnet_hash_check(self->source_fd, self->dest_fds, &packet, sizeof(packet), VIRTIO_NET_HDR_F_DATA_VALID, VIRTIO_NET_HASH_REPORT_UDPv4, 0xfb63539a) (0) # 32.11 [+7.06] # udpv4: Test failed # 32.11 [+0.00] # FAIL tun_vnet_hash.udpv4 # 32.11 [+0.00] not ok 17 tun_vnet_hash.udpv4