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see SAD info

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Stephen,
Use this patch instead of the one i sent yesterday.
As before, you will need to pull include/linux/xfrm.h from
net-2.6 once Dave applies the kernel patch.

cheers,
jamal

[XFRM] see SAD info

i.e instead of something like ip xfrm state ls | grep -i src | wc -l
do:

ip xfrm state count
And you get the count; you can also pass -s to the command line and
get the hash info.

Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca>
Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
This commit is contained in:
jamal 2007-05-03 19:09:41 -04:00 committed by Stephen Hemminger
parent fc537c259d
commit 0bb4a4c20c
2 changed files with 81 additions and 0 deletions
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1
ip/xfrm.h
View File

@ -57,6 +57,7 @@
#define XFRMREP_RTA(x) ((struct rtattr*)(((char*)(x)) + NLMSG_ALIGN(sizeof(struct xfrm_user_report))))
#define XFRMSAPD_RTA(x) ((struct rtattr*)(((char*)(x)) + NLMSG_ALIGN(sizeof(__u32))))
#define XFRM_FLAG_PRINT(fp, flags, f, s) \
do { \
if (flags & f) { \

80
ip/xfrm_state.c
View File

@ -64,6 +64,7 @@ static void usage(void)
fprintf(stderr, "Usage: ip xfrm state { deleteall | list } [ ID ] [ mode MODE ] [ reqid REQID ]\n");
fprintf(stderr, " [ flag FLAG_LIST ]\n");
fprintf(stderr, "Usage: ip xfrm state flush [ proto XFRM_PROTO ]\n");
fprintf(stderr, "Usage: ip xfrm state count \n");
fprintf(stderr, "ID := [ src ADDR ] [ dst ADDR ] [ proto XFRM_PROTO ] [ spi SPI ]\n");
//fprintf(stderr, "XFRM_PROTO := [ esp | ah | comp ]\n");
@ -933,6 +934,82 @@ static int xfrm_state_list_or_deleteall(int argc, char **argv, int deleteall)
exit(0);
}
int print_sadinfo(struct nlmsghdr *n, void *arg)
{
FILE *fp = (FILE*)arg;
__u32 *f = NLMSG_DATA(n);
struct rtattr *tb[XFRMA_SAD_MAX+1];
struct rtattr *rta;
struct xfrmu_sadhinfo *si;
__u32 *cnt;
int len = n->nlmsg_len;
len -= NLMSG_LENGTH(sizeof(__u32));
if (len < 0) {
fprintf(stderr, "SADinfo: Wrong len %d\n", len);
return -1;
}
rta = XFRMSAPD_RTA(f);
parse_rtattr(tb, XFRMA_SAD_MAX, rta, len);
if (tb[XFRMA_SADCNT]) {
fprintf(fp,"\t SAD");
cnt = (__u32 *)RTA_DATA(tb[XFRMA_SADCNT]);
fprintf(fp," count %d", *cnt);
} else {
fprintf(fp,"BAD SAD info returned\n");
return -1;
}
if (show_stats) {
if (!tb[XFRMA_SADHINFO]) {
}
if (RTA_PAYLOAD(tb[XFRMA_SADHINFO]) < sizeof(*si)) {
fprintf(fp,"BAD SAD length returned\n");
return -1;
}
si = (struct xfrmu_sadhinfo *)RTA_DATA(tb[XFRMA_SADHINFO]);
fprintf(fp," (buckets ");
fprintf(fp,"count %d", si->sadhcnt);
fprintf(fp," Max %d", si->sadhmcnt);
fprintf(fp,")");
}
fprintf(fp,"\n");
return 0;
}
static int xfrm_sad_getinfo(int argc, char **argv)
{
struct rtnl_handle rth;
struct {
struct nlmsghdr n;
__u32 flags;
char ans[64];
} req;
memset(&req, 0, sizeof(req));
req.n.nlmsg_len = NLMSG_LENGTH(sizeof(req.flags));
req.n.nlmsg_flags = NLM_F_REQUEST;
req.n.nlmsg_type = XFRM_MSG_GETSADINFO;
req.flags = 0XFFFFFFFF;
if (rtnl_open_byproto(&rth, 0, NETLINK_XFRM) < 0)
exit(1);
if (rtnl_talk(&rth, &req.n, 0, 0, &req.n, NULL, NULL) < 0)
exit(2);
print_sadinfo(&req.n, (void*)stdout);
rtnl_close(&rth);
return 0;
}
static int xfrm_state_flush(int argc, char **argv)
{
struct rtnl_handle rth;
@ -1010,6 +1087,9 @@ int do_xfrm_state(int argc, char **argv)
return xfrm_state_get_or_delete(argc-1, argv+1, 0);
if (matches(*argv, "flush") == 0)
return xfrm_state_flush(argc-1, argv+1);
if (matches(*argv, "count") == 0) {
return xfrm_sad_getinfo(argc, argv);
}
if (matches(*argv, "help") == 0)
usage();
fprintf(stderr, "Command \"%s\" is unknown, try \"ip xfrm state help\".\n", *argv);