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/* SPDX-License-Identifier: Apache-2.0
* Copyright(c) 2021 Cisco Systems, Inc.
*/
#include <vlib/vlib.h>
#include <vnet/vnet.h>
#include <vnet/interface.h>
VLIB_REGISTER_LOG_CLASS (if_caps_log, static) = {
.class_name = "interface",
.subclass_name = "caps",
};
#define log_debug(fmt, ...) \
vlib_log_debug (if_caps_log.class, fmt, __VA_ARGS__)
format_function_t format_vnet_hw_if_caps;
void
vnet_hw_if_change_caps (vnet_main_t *vnm, u32 hw_if_index,
vnet_hw_if_caps_change_t *caps)
{
vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
vnet_hw_if_caps_t old = hi->caps;
hi->caps = (hi->caps & ~caps->mask) | caps->val;
log_debug ("change: interface %U, set: %U, cleared: %U",
format_vnet_hw_if_index_name, vnm, hw_if_index,
format_vnet_hw_if_caps, (old ^ hi->caps) & caps->val,
format_vnet_hw_if_caps, (old ^ hi->caps) & ~caps->val);
}
u8 *
format_vnet_hw_if_caps (u8 *s, va_list *va)
{
vnet_hw_if_caps_t caps = va_arg (*va, vnet_hw_if_caps_t);
const char *strings[sizeof (vnet_hw_if_caps_t) * 8] = {
#define _(bit, sfx, str) [bit] = (str),
foreach_vnet_hw_if_caps
#undef _
};
if (caps == 0)
return format (s, "none");
while (caps)
{
int bit = get_lowest_set_bit_index (caps);
if (strings[bit])
s = format (s, "%s", strings[bit]);
else
s = format (s, "unknown-%u", bit);
caps = clear_lowest_set_bit (caps);
if (caps)
vec_add1 (s, ' ');
}
return s;
}
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