From f9d4e1d8c1eb918802e0a6ceef252e2f76a2bd01 Mon Sep 17 00:00:00 2001 From: Sebastian Huber Date: Thu, 4 Oct 2018 14:10:10 +0200 Subject: rtwn: Align mbuf to avoid realignment in rx path See ieee80211_realign(). --- freebsd/sys/dev/rtwn/usb/rtwn_usb_rx.c | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'freebsd') diff --git a/freebsd/sys/dev/rtwn/usb/rtwn_usb_rx.c b/freebsd/sys/dev/rtwn/usb/rtwn_usb_rx.c index 9de8fca4..4870c41f 100644 --- a/freebsd/sys/dev/rtwn/usb/rtwn_usb_rx.c +++ b/freebsd/sys/dev/rtwn/usb/rtwn_usb_rx.c @@ -128,7 +128,11 @@ rtwn_rx_copy_to_mbuf(struct rtwn_softc *sc, struct rtwn_rx_stat_common *stat, if (rtwn_rx_check_pre_alloc(sc, stat) != 0) goto fail; +#ifndef __rtems__ m = m_get2(totlen, M_NOWAIT, MT_DATA, M_PKTHDR); +#else /* __rtems__ */ + m = m_get2(totlen + ETHER_ALIGN, M_NOWAIT, MT_DATA, M_PKTHDR); +#endif /* __rtems__ */ if (__predict_false(m == NULL)) { device_printf(sc->sc_dev, "%s: could not allocate RX mbuf\n", __func__); @@ -136,6 +140,9 @@ rtwn_rx_copy_to_mbuf(struct rtwn_softc *sc, struct rtwn_rx_stat_common *stat, } /* Finalize mbuf. */ +#ifdef __rtems__ + m->m_data += ETHER_ALIGN; +#endif /* __rtems__ */ memcpy(mtod(m, uint8_t *), (uint8_t *)stat, totlen); m->m_pkthdr.len = m->m_len = totlen; -- cgit v1.2.3