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D55055.diff
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diff --git a/tools/tools/ifinfo/ifinfo.c b/tools/tools/ifinfo/ifinfo.c
--- a/tools/tools/ifinfo/ifinfo.c
+++ b/tools/tools/ifinfo/ifinfo.c
@@ -30,6 +30,7 @@
#include <sys/socket.h> /* for PF_LINK */
#include <sys/sysctl.h>
#include <sys/time.h>
+#include <sys/mbuf.h>
#include <err.h>
#include <errno.h>
@@ -38,6 +39,8 @@
#include <string.h>
#include <sysexits.h>
#include <unistd.h>
+#include <stdbool.h>
+#include <ctype.h>
#include <net/if.h>
#include <net/if_types.h>
@@ -149,6 +152,47 @@
return retval;
}
+/* code after this line copied or based on code from src/sys/kern/subr_prf.c */
+static inline bool
+isbitpos(char c)
+{
+ return (c != '\0' && (c <= ' ' || (c & 0x80) != 0));
+}
+
+static inline bool
+isprintnospace(char c)
+{
+ return (isprint(c) && c != ' ');
+}
+
+static void
+print_bits(uintmax_t num, const char *bitstring)
+{
+ bool first;
+ const char *c;
+ int shift;
+
+ c = ++bitstring;
+ first = true;
+ while (isbitpos(*c)) {
+ if ((*c & 0x80) != 0)
+ shift = *c++ & 0x7f;
+ else
+ shift = *c++ - 1;
+ if (num & (1ULL << shift)) {
+ putchar(first ? (first = false, '<') : ',');
+ for (; isprintnospace(*c); ++c)
+ putchar(*c);
+ } else
+ for (; isprintnospace(*c); ++c)
+ continue;
+ }
+ if (!first) {
+ putchar('>');
+ }
+}
+/* code before this line copied or based on code from src/sys/kern/subr_prf.c */
+
static void
printit(const struct ifmibdata *ifmd, const char *dname)
{
@@ -182,8 +226,10 @@
printf("\tinput queue drops: %lu\n", ifmd->ifmd_data.ifi_iqdrops);
printf("\tpackets for unknown protocol: %lu\n",
ifmd->ifmd_data.ifi_noproto);
- printf("\tHW offload capabilities: 0x%lx\n",
+ printf("\tHW offload capabilities: 0x%lx",
ifmd->ifmd_data.ifi_hwassist);
+ print_bits(ifmd->ifmd_data.ifi_hwassist, CSUM_BITS);
+ printf("\n");
printf("\tuptime at attach or stat reset: %lu\n",
ifmd->ifmd_data.ifi_epoch);
#ifdef notdef
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