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if_atsam: Fix interface stop

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Update #4652.
This commit is contained in:
Sebastian Huber 2022-05-11 15:39:49 +02:00
parent 4ad09617d0
commit e992d45b63
1 changed files with 15 additions and 2 deletions
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17
rtemsbsd/sys/dev/atsam/if_atsam.c
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@ -1046,15 +1046,28 @@ if_atsam_start(void *arg)
}
static void
if_atsam_stop(struct if_atsam_softc *sc)
if_atsam_stop_locked(struct if_atsam_softc *sc)
{
struct ifnet *ifp = sc->ifp;
Gmac *pHw = sc->Gmac_inst.gGmacd.pHw;
size_t i;
ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
/* Disable TX/RX */
pHw->GMAC_NCR &= ~(GMAC_NCR_RXEN | GMAC_NCR_TXEN);
/* Reinitialize the TX descriptors */
sc->tx_idx_head = 0;
sc->tx_idx_tail = 0;
for (i = 0; i < TX_DESC_COUNT; ++i) {
sc->tx->bds[i].addr = 0;
sc->tx->bds[i].status.val = GMAC_TX_USED_BIT | TX_DESC_WRAP(i);
m_freem(sc->tx_mbufs[i]);
sc->tx_mbufs[i] = NULL;
}
}
@ -1345,7 +1358,7 @@ if_atsam_ioctl(struct ifnet *ifp, ioctl_command_t command, caddr_t data)
}
} else {
if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
if_atsam_stop(sc);
if_atsam_stop_locked(sc);
}
}
sc->if_flags = ifp->if_flags;