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monitor: Print rmnet flags

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This commit is contained in:
Denis Kenzior 2024-08-22 15:19:58 -05:00
parent 5f74ed75e7
commit e5c0e18751
1 changed files with 37 additions and 0 deletions
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37
monitor/nlmon.c
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@ -37,6 +37,7 @@
#include <linux/if.h>
#include <linux/if_packet.h>
#include <linux/if_ether.h>
#include <linux/if_link.h>
#include <linux/netlink.h>
#include <linux/genetlink.h>
#include <linux/rtnetlink.h>
@ -7599,8 +7600,44 @@ static void flags_str(const struct flag_names *table,
pos += sprintf(str + pos, "]");
}
static void print_rmnet_flags(unsigned int indent,
const char *label, uint32_t flags)
{
if (flags & RMNET_FLAGS_INGRESS_DEAGGREGATION)
print_attr(indent, "%s: %s", label, "deaggregation");
if (flags & RMNET_FLAGS_INGRESS_MAP_COMMANDS)
print_attr(indent, "%s: %s", label, "map commands");
if (flags & RMNET_FLAGS_INGRESS_MAP_CKSUMV4)
print_attr(indent, "%s: %s", label, "ingress_mapv4");
if (flags & RMNET_FLAGS_EGRESS_MAP_CKSUMV4)
print_attr(indent, "%s: %s", label, "egress_mapv4");
if (flags & RMNET_FLAGS_INGRESS_MAP_CKSUMV5)
print_attr(indent, "%s: %s", label, "ingress_mapv5");
if (flags & RMNET_FLAGS_EGRESS_MAP_CKSUMV5)
print_attr(indent, "%s: %s", label, "egress_mapv5");
}
static void print_ifla_rmnet_flags(unsigned int indent, const char *str,
const void *buf, uint16_t size)
{
struct ifla_rmnet_flags flags;
if (size != 8) {
printf("malformed packet\n");
return;
}
memcpy(&flags, buf, size);
print_attr(indent, "%s:", str);
print_rmnet_flags(indent + 1, "Flags", flags.flags);
print_rmnet_flags(indent + 1, "Mask", flags.mask);
}
static struct attr_entry link_info_data_entry[] = {
{ IFLA_RMNET_MUX_ID, "RMNet Mux Id", ATTR_U16 },
{ IFLA_RMNET_FLAGS, "RMNet Flags", ATTR_CUSTOM,
{ .function = print_ifla_rmnet_flags } },
{ },
};