git: 0ab811d89311 - stable/15 - re: Make sure re_rxeof() is called in net epoch context

The branch stable/15 has been updated by markj:

URL: https://cgit.FreeBSD.org/src/commit/?id=0ab811d89311a37f99da0088d9f6b0063f914c3d

commit 0ab811d89311a37f99da0088d9f6b0063f914c3d
Author:     Mark Johnston <markj@FreeBSD.org>
AuthorDate: 2025-09-10 14:35:24 +0000
Commit:     Mark Johnston <markj@FreeBSD.org>
CommitDate: 2025-09-30 09:43:08 +0000

    re: Make sure re_rxeof() is called in net epoch context
    
    It may pass packets up the stack and so needs to be called in a network
    epoch.  When a watchdog timeout happens, we need to enter a section
    explicitly.
    
    Reviewed by:    zlei, glebius, adrian
    MFC after:      2 weeks
    Sponsored by:   Innovate UK
    Differential Revision:  https://reviews.freebsd.org/D51885
    
    (cherry picked from commit b653a281f5a977ba73b3d405874f8af8e8b6b50d)
---
 sys/dev/re/if_re.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/sys/dev/re/if_re.c b/sys/dev/re/if_re.c
index 76d395165df7..d56c975a43d2 100644
--- a/sys/dev/re/if_re.c
+++ b/sys/dev/re/if_re.c
@@ -3560,6 +3560,7 @@ re_ioctl(if_t ifp, u_long command, caddr_t data)
 static void
 re_watchdog(struct rl_softc *sc)
 {
+	struct epoch_tracker et;
 	if_t ifp;
 
 	RL_LOCK_ASSERT(sc);
@@ -3580,7 +3581,9 @@ re_watchdog(struct rl_softc *sc)
 	if_printf(ifp, "watchdog timeout\n");
 	if_inc_counter(ifp, IFCOUNTER_OERRORS, 1);
 
+	NET_EPOCH_ENTER(et);
 	re_rxeof(sc, NULL);
+	NET_EPOCH_EXIT(et);
 	if_setdrvflagbits(ifp, 0, IFF_DRV_RUNNING);
 	re_init_locked(sc);
 	if (!if_sendq_empty(ifp))