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if_oce: fix epoch handling

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Thanks to gallatin@ for suggesting the patch.

PR:			260330
Reported by:		Vincent Milum Jr.
Reviewed by:		gallatin, glebius
Tested by:		Vincent Milum Jr.
Differential Revision:	https://reviews.freebsd.org/D33395

(cherry picked from commit e363f832cf)
This commit is contained in:
Michael Tuexen 2021-12-18 23:43:00 +01:00
parent f801f2c762
commit 257cd2f8c3
3 changed files with 10 additions and 2 deletions
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6
sys/dev/oce/oce_if.c
View file

@ -2039,14 +2039,17 @@ exit_rq_handler_lro:
uint16_t
oce_rq_handler(void *arg)
{
struct epoch_tracker et;
struct oce_rq *rq = (struct oce_rq *)arg;
struct oce_cq *cq = rq->cq;
POCE_SOFTC sc = rq->parent;
struct oce_nic_rx_cqe *cqe;
int num_cqes = 0;
NET_EPOCH_ENTER(et);
if(rq->islro) {
oce_rq_handler_lro(arg);
NET_EPOCH_EXIT(et);
return 0;
}
LOCK(&rq->rx_lock);
@ -2090,6 +2093,7 @@ oce_rq_handler(void *arg)
oce_check_rx_bufs(sc, num_cqes, rq);
UNLOCK(&rq->rx_lock);
NET_EPOCH_EXIT(et);
return 0;
}
@ -2110,7 +2114,7 @@ oce_attach_ifp(POCE_SOFTC sc)
ifmedia_add(&sc->media, IFM_ETHER | IFM_AUTO, 0, NULL);
ifmedia_set(&sc->media, IFM_ETHER | IFM_AUTO);
sc->ifp->if_flags = IFF_BROADCAST | IFF_MULTICAST;
sc->ifp->if_flags = IFF_BROADCAST | IFF_MULTICAST | IFF_KNOWSEPOCH;
sc->ifp->if_ioctl = oce_ioctl;
sc->ifp->if_start = oce_start;
sc->ifp->if_init = oce_init;

1
sys/dev/oce/oce_if.h
View file

@ -42,6 +42,7 @@
#include <sys/param.h>
#include <sys/endian.h>
#include <sys/epoch.h>
#include <sys/eventhandler.h>
#include <sys/malloc.h>
#include <sys/module.h>

5
sys/dev/oce/oce_queue.c
View file

@ -1233,13 +1233,15 @@ oce_rx_cq_clean(struct oce_rq *rq)
void
oce_stop_rx(POCE_SOFTC sc)
{
struct epoch_tracker et;
struct oce_mbx mbx;
struct mbx_delete_nic_rq *fwcmd;
struct mbx_delete_nic_rq_v1 *fwcmd1;
struct oce_rq *rq;
int i = 0;
/* before deleting disable hwlro */
NET_EPOCH_ENTER(et);
/* before deleting disable hwlro */
if(sc->enable_hwlro)
oce_mbox_nic_set_iface_lro_config(sc, 0);
@ -1274,6 +1276,7 @@ oce_stop_rx(POCE_SOFTC sc)
UNLOCK(&rq->rx_lock);
}
}
NET_EPOCH_EXIT(et);
}
int