#include <vnet/vnet.h>
#include <vnet/ethernet/ethernet.h>
#include <vnet/feature/feature.h>
+#include <vnet/ip/ip4_packet.h>
+#include <vnet/ip/ip6_packet.h>
+#include <vnet/udp/udp_packet.h>
#include <vnet/devices/devices.h>
static int
b0 = vlib_get_buffer (vm, bi0);
b1 = vlib_get_buffer (vm, bi1);
+ b0->flags |= s->buffer_flags;
+ b1->flags |= s->buffer_flags;
vnet_buffer (b0)->sw_if_index[VLIB_RX] =
vnet_buffer (b1)->sw_if_index[VLIB_RX] = s->sw_if_index[VLIB_RX];
vnet_buffer (b0)->sw_if_index[VLIB_TX] =
- vnet_buffer (b1)->sw_if_index[VLIB_TX] = (u32) ~ 0;
+ vnet_buffer (b1)->sw_if_index[VLIB_TX] = s->sw_if_index[VLIB_TX];
if (set_data)
{
n_left -= 1;
b0 = vlib_get_buffer (vm, bi0);
+ b0->flags |= s->buffer_flags;
vnet_buffer (b0)->sw_if_index[VLIB_RX] = s->sw_if_index[VLIB_RX];
- /* s->sw_if_index[VLIB_TX]; */
- vnet_buffer (b0)->sw_if_index[VLIB_TX] = (u32) ~ 0;
+ vnet_buffer (b0)->sw_if_index[VLIB_TX] = s->sw_if_index[VLIB_TX];
if (set_data)
clib_memcpy_fast (b0->data, data, n_data);
b = vlib_get_buffer (vm, buffers[current_buffer_index]);
clib_memcpy_fast (b->data, d0 + data_offset, bytes_this_chunk);
vnet_buffer (b)->sw_if_index[VLIB_RX] = s->sw_if_index[VLIB_RX];
- vnet_buffer (b)->sw_if_index[VLIB_TX] = (u32) ~ 0;
- b->flags = 0;
+ vnet_buffer (b)->sw_if_index[VLIB_TX] = s->sw_if_index[VLIB_TX];
+ b->flags = s->buffer_flags;
b->next_buffer = 0;
b->current_data = 0;
b->current_length = bytes_this_chunk;
s = format (s, "stream %d", t->stream_index);
s = format (s, ", %d bytes", t->packet_length);
- s = format (s, ", %d sw_if_index", t->sw_if_index);
+ s = format (s, ", sw_if_index %d", t->sw_if_index);
s = format (s, "\n%U%U",
format_white_space, indent, format_vnet_buffer, &t->buffer);
static void
pg_input_trace (pg_main_t * pg,
- vlib_node_runtime_t * node,
- pg_stream_t * s, u32 * buffers, u32 n_buffers)
+ vlib_node_runtime_t * node, u32 stream_index, u32 next_index,
+ u32 * buffers, u32 n_buffers)
{
vlib_main_t *vm = vlib_get_main ();
- u32 *b, n_left, stream_index, next_index;
+ u32 *b, n_left;
n_left = n_buffers;
b = buffers;
- stream_index = s - pg->streams;
- next_index = s->next_index;
while (n_left >= 2)
{
}
}
+static_always_inline void
+fill_buffer_offload_flags (vlib_main_t * vm, u32 * buffers, u32 n_buffers,
+ int gso_enabled, u32 gso_size)
+{
+ for (int i = 0; i < n_buffers; i++)
+ {
+ vlib_buffer_t *b0 = vlib_get_buffer (vm, buffers[i]);
+ u8 l4_proto = 0;
+
+ ethernet_header_t *eh =
+ (ethernet_header_t *) vlib_buffer_get_current (b0);
+ u16 ethertype = clib_net_to_host_u16 (eh->type);
+ u16 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 *) (vlib_buffer_get_current (b0) + l2hdr_sz);
+ vnet_buffer (b0)->l4_hdr_offset = l2hdr_sz + ip4_header_bytes (ip4);
+ l4_proto = ip4->protocol;
+ b0->flags |=
+ (VNET_BUFFER_F_IS_IP4 | VNET_BUFFER_F_OFFLOAD_IP_CKSUM);
+ b0->flags |= (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 *) (vlib_buffer_get_current (b0) + 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)
+ {
+ b0->flags |= VNET_BUFFER_F_OFFLOAD_TCP_CKSUM;
+
+ /* only set GSO flag for chained buffers */
+ if (gso_enabled && (b0->flags & VLIB_BUFFER_NEXT_PRESENT))
+ {
+ b0->flags |= VNET_BUFFER_F_GSO;
+ tcp_header_t *tcp =
+ (tcp_header_t *) (vlib_buffer_get_current (b0) +
+ vnet_buffer (b0)->l4_hdr_offset);
+ vnet_buffer2 (b0)->gso_l4_hdr_sz = tcp_header_bytes (tcp);
+ vnet_buffer2 (b0)->gso_size = gso_size;
+ }
+ }
+ else if (l4_proto == IP_PROTOCOL_UDP)
+ {
+ b0->flags |= VNET_BUFFER_F_OFFLOAD_UDP_CKSUM;
+ }
+ }
+}
+
static uword
pg_generate_packets (vlib_node_runtime_t * node,
pg_main_t * pg,
u8 feature_arc_index = fm->device_input_feature_arc_index;
cm = &fm->feature_config_mains[feature_arc_index];
u32 current_config_index = ~(u32) 0;
+ pg_interface_t *pi = pool_elt_at_index (pg->interfaces, s->pg_if_index);
int i;
bi0 = s->buffer_indices;
vlib_next_frame_t *nf;
vlib_frame_t *f;
ethernet_input_frame_t *ef;
- pg_interface_t *pi;
vlib_get_new_next_frame (vm, node, next_index, to_next, n_left);
nf = vlib_node_runtime_get_next_frame (vm, node, next_index);
- f = vlib_get_frame (vm, nf->frame_index);
+ f = vlib_get_frame (vm, nf->frame);
f->flags = ETH_INPUT_FRAME_F_SINGLE_SW_IF_IDX;
ef = vlib_frame_scalar_args (f);
- pi = pool_elt_at_index (pg->interfaces, s->pg_if_index);
ef->sw_if_index = pi->sw_if_index;
ef->hw_if_index = pi->hw_if_index;
+ vlib_frame_no_append (f);
}
else
vlib_get_next_frame (vm, node, next_index, to_next, n_left);
vnet_buffer (b)->feature_arc_index = feature_arc_index;
}
+ if (pi->gso_enabled ||
+ (s->buffer_flags & (VNET_BUFFER_F_OFFLOAD_TCP_CKSUM |
+ VNET_BUFFER_F_OFFLOAD_UDP_CKSUM |
+ VNET_BUFFER_F_OFFLOAD_IP_CKSUM)))
+ {
+ fill_buffer_offload_flags (vm, to_next, n_this_frame,
+ pi->gso_enabled, pi->gso_size);
+ }
+
n_trace = vlib_get_trace_count (vm, node);
if (n_trace > 0)
{
u32 n = clib_min (n_trace, n_this_frame);
- pg_input_trace (pg, node, s, to_next, n);
+ pg_input_trace (pg, node, s - pg->streams, next_index, to_next, n);
vlib_set_trace_count (vm, node, n_trace - n);
}
n_packets_to_generate -= n_this_frame;
int i;
vlib_buffer_t *b;
- for (i = 0; i < VLIB_FRAME_SIZE - n_left; i++)
+ for (i = 0; i < n_this_frame; i++)
{
b = vlib_get_buffer (vm, to_next[i]);
ASSERT ((b->flags & VLIB_BUFFER_NEXT_PRESENT) == 0 ||
n_packets = s->n_packets_limit - s->n_packets_generated;
/* Generate up to one frame's worth of packets. */
- if (n_packets > VLIB_FRAME_SIZE)
- n_packets = VLIB_FRAME_SIZE;
+ if (n_packets > s->n_max_frame)
+ n_packets = s->n_max_frame;
if (n_packets > 0)
n_packets = pg_generate_packets (node, pg, s, n_packets);
/* *INDENT-OFF* */
VLIB_REGISTER_NODE (pg_input_node) = {
.function = pg_input,
+ .flags = VLIB_NODE_FLAG_TRACE_SUPPORTED,
.name = "pg-input",
.sibling_of = "device-input",
.type = VLIB_NODE_TYPE_INPUT,
Code Review / vpp.git / blobdiff