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/*
* Copyright (c) 2017 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <vlib/vlib.h>
#include <vnet/buffer.h>
u8 *
format_vnet_buffer_offload (u8 *s, va_list *args)
{
vlib_buffer_t *b = va_arg (*args, vlib_buffer_t *);
#define _(bit, name, ss, v) \
if (v && (vnet_buffer (b)->oflags & VNET_BUFFER_OFFLOAD_F_##name)) \
s = format (s, "%s ", ss);
foreach_vnet_buffer_offload_flag
#undef _
if (vnet_buffer (b)->oflags & VNET_BUFFER_OFFLOAD_F_TNL_MASK)
{
s = format (s, "outer-l3-hdr-offset %d ",
vnet_buffer2 (b)->outer_l3_hdr_offset);
s = format (s, "outer-l4-hdr-offset %d ",
vnet_buffer2 (b)->outer_l4_hdr_offset);
}
return s;
}
static u8 *
format_vnet_buffer_internal (u8 *s, vlib_buffer_t *b, int no_chain)
{
u32 indent = format_get_indent (s);
u8 *a = 0;
#define _(bit,name,ss,v) \
if (v && (b->flags & VNET_BUFFER_F_##name)) \
a = format (a, "%s ", ss);
foreach_vnet_buffer_flag
#undef _
if (b->flags & VNET_BUFFER_F_OFFLOAD) a =
format (a, "%U ", format_vnet_buffer_offload, b);
if (b->flags & VNET_BUFFER_F_L2_HDR_OFFSET_VALID)
a = format (a, "l2-hdr-offset %d ", vnet_buffer (b)->l2_hdr_offset);
if (b->flags & VNET_BUFFER_F_L3_HDR_OFFSET_VALID)
a = format (a, "l3-hdr-offset %d ", vnet_buffer (b)->l3_hdr_offset);
if (b->flags & VNET_BUFFER_F_L4_HDR_OFFSET_VALID)
a = format (a, "l4-hdr-offset %d ", vnet_buffer (b)->l4_hdr_offset);
if (b->flags & VNET_BUFFER_F_GSO)
a = format (a, "gso l4-hdr-len %d gso-size %d",
vnet_buffer2 (b)->gso_l4_hdr_sz, vnet_buffer2 (b)->gso_size);
if (b->flags & VNET_BUFFER_F_QOS_DATA_VALID)
a = format (a, "qos %d.%d ",
vnet_buffer2 (b)->qos.bits, vnet_buffer2 (b)->qos.source);
if (b->flags & VNET_BUFFER_F_LOOP_COUNTER_VALID)
a = format (a, "loop-counter %d ", vnet_buffer2 (b)->loop_counter);
s = format (s, "%U",
no_chain ? format_vlib_buffer_no_chain : format_vlib_buffer, b);
if (a)
s = format (s, "\n%U%v", format_white_space, indent, a);
vec_free (a);
return s;
}
u8 *
format_vnet_buffer_no_chain (u8 *s, va_list *args)
{
vlib_buffer_t *b = va_arg (*args, vlib_buffer_t *);
return format_vnet_buffer_internal (s, b, 1 /* no_chain */);
}
u8 *
format_vnet_buffer (u8 *s, va_list *args)
{
vlib_buffer_t *b = va_arg (*args, vlib_buffer_t *);
return format_vnet_buffer_internal (s, b, 0 /* no_chain */);
}
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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