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ng_pipe: Replace deprecated random() with prng32_bounded()

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Signed-off-by: Martin Vahlensieck <git@academicsolutions.ch>

MFC after:	2 weeks
Reviewed by:	markj
Pull Request:	https://github.com/freebsd/freebsd-src/pull/1181
This commit is contained in:
Martin Vahlensieck 2024-04-17 20:59:22 +02:00 committed by Mark Johnston
parent bb2ab7a374
commit a3ecf8c786
1 changed files with 3 additions and 2 deletions
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5
sys/netgraph/ng_pipe.c
View file

@ -44,6 +44,7 @@
#include <sys/kernel.h>
#include <sys/malloc.h>
#include <sys/mbuf.h>
#include <sys/prng.h>
#include <sys/time.h>
#include <vm/uma.h>
@ -771,7 +772,7 @@ pipe_dequeue(struct hookinfo *hinfo, struct timeval *now) {
* the original packet...
*/
if (hinfo->cfg.duplicate &&
random() % 100 <= hinfo->cfg.duplicate) {
prng32_bounded(100) <= hinfo->cfg.duplicate) {
ngp_h = uma_zalloc(ngp_zone, M_NOWAIT);
KASSERT(ngp_h != NULL, ("ngp_h zalloc failed (3)"));
m = m_dup(m, M_NOWAIT);
@ -814,7 +815,7 @@ pipe_dequeue(struct hookinfo *hinfo, struct timeval *now) {
/* Randomly discard the frame, according to BER setting */
if (hinfo->cfg.ber) {
oldrand = rand;
rand = random();
rand = prng32_bounded(1U << 31);
if (((oldrand ^ rand) << 17) >=
hinfo->ber_p[priv->overhead + m->m_pkthdr.len]) {
hinfo->stats.out_disc_frames++;