diff options
Diffstat (limited to 'src/plugins/unittest/gso_test.c')
| -rw-r--r-- | src/plugins/unittest/gso_test.c | 113 |
1 files changed, 96 insertions, 17 deletions
diff --git a/src/plugins/unittest/gso_test.c b/src/plugins/unittest/gso_test.c index 54eb7422c87..43c614341d2 100644 --- a/src/plugins/unittest/gso_test.c +++ b/src/plugins/unittest/gso_test.c @@ -96,12 +96,94 @@ GSO_TEST_REGISTER_DATA (gso_ipv6_tcp, static) = { .is_ip6 = 1, }; +/* + * this does not support tunnel packets + */ +static void +set_hdr_offsets (vlib_buffer_t *b0, u8 is_l2) +{ + u16 ethertype = 0, l2hdr_sz = 0; + vnet_buffer_oflags_t oflags = 0; + u8 l4_proto = 0; + + if (!is_l2) + { + switch (b0->data[0] & 0xf0) + { + case 0x40: + ethertype = ETHERNET_TYPE_IP4; + break; + case 0x60: + ethertype = ETHERNET_TYPE_IP6; + break; + } + } + else + { + ethernet_header_t *eh = (ethernet_header_t *) b0->data; + ethertype = clib_net_to_host_u16 (eh->type); + l2hdr_sz = sizeof (ethernet_header_t); + + if (ethernet_frame_is_tagged (ethertype)) + { + ethernet_vlan_header_t *vlan = (ethernet_vlan_header_t *) (eh + 1); + + ethertype = clib_net_to_host_u16 (vlan->type); + l2hdr_sz += sizeof (*vlan); + if (ethertype == ETHERNET_TYPE_VLAN) + { + vlan++; + ethertype = clib_net_to_host_u16 (vlan->type); + l2hdr_sz += sizeof (*vlan); + } + } + } + + vnet_buffer (b0)->l2_hdr_offset = 0; + vnet_buffer (b0)->l3_hdr_offset = l2hdr_sz; + + if (PREDICT_TRUE (ethertype == ETHERNET_TYPE_IP4)) + { + ip4_header_t *ip4 = (ip4_header_t *) (b0->data + l2hdr_sz); + vnet_buffer (b0)->l4_hdr_offset = l2hdr_sz + ip4_header_bytes (ip4); + l4_proto = ip4->protocol; + oflags |= VNET_BUFFER_OFFLOAD_F_IP_CKSUM; + b0->flags |= (VNET_BUFFER_F_IS_IP4 | VNET_BUFFER_F_L2_HDR_OFFSET_VALID | + VNET_BUFFER_F_L3_HDR_OFFSET_VALID | + VNET_BUFFER_F_L4_HDR_OFFSET_VALID); + } + else if (PREDICT_TRUE (ethertype == ETHERNET_TYPE_IP6)) + { + ip6_header_t *ip6 = (ip6_header_t *) (b0->data + l2hdr_sz); + vnet_buffer (b0)->l4_hdr_offset = l2hdr_sz + sizeof (ip6_header_t); + /* FIXME IPv6 EH traversal */ + l4_proto = ip6->protocol; + b0->flags |= (VNET_BUFFER_F_IS_IP6 | VNET_BUFFER_F_L2_HDR_OFFSET_VALID | + VNET_BUFFER_F_L3_HDR_OFFSET_VALID | + VNET_BUFFER_F_L4_HDR_OFFSET_VALID); + } + if (l4_proto == IP_PROTOCOL_TCP) + { + oflags |= VNET_BUFFER_OFFLOAD_F_TCP_CKSUM; + } + else if (l4_proto == IP_PROTOCOL_UDP) + { + oflags |= VNET_BUFFER_OFFLOAD_F_UDP_CKSUM; + } + if (oflags) + vnet_buffer_offload_flags_set (b0, oflags); +} + static u32 -fill_buffers (vlib_main_t *vm, u32 *buffer_indices, u8 *data, u32 data_size, - u32 n_buffers, u32 buffer_size, u32 packet_size, u32 gso_size, - u32 l4_hdr_len) +fill_buffers (vlib_main_t *vm, u32 *buffer_indices, + gso_test_data_t *gso_test_data, u32 n_buffers, u32 buffer_size, + u32 packet_size, u32 gso_size) { u32 i; + u8 *data = gso_test_data->data; + u32 data_size = gso_test_data->data_size; + u32 l4_hdr_len = gso_test_data->l4_hdr_len; + u8 is_l2 = gso_test_data->is_l2; for (i = 0; i < n_buffers; i++) { @@ -153,6 +235,8 @@ fill_buffers (vlib_main_t *vm, u32 *buffer_indices, u8 *data, u32 data_size, len += fill_data_size; } while (k < n_bufs); + + set_hdr_offsets (b, is_l2); b->flags |= VNET_BUFFER_F_GSO; vnet_buffer2 (b)->gso_size = gso_size; vnet_buffer2 (b)->gso_l4_hdr_sz = l4_hdr_len; @@ -165,17 +249,14 @@ fill_buffers (vlib_main_t *vm, u32 *buffer_indices, u8 *data, u32 data_size, static_always_inline u32 gso_segment_buffer_test (vlib_main_t *vm, u32 bi, - vnet_interface_per_thread_data_t *ptd, u8 is_l2, - u8 is_ip6) + vnet_interface_per_thread_data_t *ptd, u8 is_l2) { vlib_buffer_t *b = vlib_get_buffer (vm, bi); - generic_header_offset_t gho = { 0 }; u32 n_tx_bytes = 0; if (PREDICT_TRUE (b->flags & VNET_BUFFER_F_GSO)) { - vnet_generic_header_offset_parser (b, &gho, is_l2, !is_ip6, is_ip6); - n_tx_bytes = gso_segment_buffer_inline (vm, ptd, b, &gho, is_l2, is_ip6); + n_tx_bytes = gso_segment_buffer_inline (vm, ptd, b, is_l2); } return n_tx_bytes; @@ -237,19 +318,16 @@ test_gso_perf (vlib_main_t *vm, gso_test_main_t *gtm) vlib_buffer_free (vm, buffer_indices, n_alloc); goto done; } - n_filled = - fill_buffers (vm, buffer_indices, gso_test_data->data, - gso_test_data->data_size, n_buffers, buffer_size, - packet_size, gso_size, gso_test_data->l4_hdr_len); + n_filled = fill_buffers (vm, buffer_indices, gso_test_data, n_buffers, + buffer_size, packet_size, gso_size); u8 is_l2 = gso_test_data->is_l2; - u8 is_ip6 = gso_test_data->is_ip6; for (k = 0; k < warmup_rounds; k++) { for (j = 0; j < n_filled; j++) - gso_segment_buffer_test (vm, buffer_indices[j], &ptd[j], is_l2, - is_ip6); + gso_segment_buffer_test (vm, buffer_indices[j], &ptd[j], is_l2); + for (j = 0; j < n_filled; j++) { vlib_buffer_free (vm, ptd[j].split_buffers, @@ -264,8 +342,9 @@ test_gso_perf (vlib_main_t *vm, gso_test_main_t *gtm) { t0 = clib_cpu_time_now (); for (j = 0; j < n_filled; j++) - gso_segment_buffer_test (vm, buffer_indices[j], &ptd[j], is_l2, - is_ip6); + gso_segment_buffer_test (vm, buffer_indices[j], &ptd[j], + is_l2); + t1 = clib_cpu_time_now (); t2[i] += (t1 - t0); for (j = 0; j < n_filled; j++) |