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author | avos <avos@FreeBSD.org> | 2016-01-12 00:12:18 +0000 |
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committer | avos <avos@FreeBSD.org> | 2016-01-12 00:12:18 +0000 |
commit | 32d35b580554bc1e68ac769acdc612e3dd67bb12 (patch) | |
tree | 60dc76a1a0bfb7265a0ccd4c753868e853897ab2 /sys/dev/rtwn/if_rtwn.c | |
parent | adf93787ff7f65a23a882b2be690a877d7a22332 (diff) | |
download | FreeBSD-src-32d35b580554bc1e68ac769acdc612e3dd67bb12.zip FreeBSD-src-32d35b580554bc1e68ac769acdc612e3dd67bb12.tar.gz |
rtwn: import r290022 (do not filter out control frames in the RX path)
Tested by: kevlo
Reviewed by: kevlo
Approved by: adrian (mentor)
Differential Revision: https://reviews.freebsd.org/D4838
Diffstat (limited to 'sys/dev/rtwn/if_rtwn.c')
-rw-r--r-- | sys/dev/rtwn/if_rtwn.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/sys/dev/rtwn/if_rtwn.c b/sys/dev/rtwn/if_rtwn.c index 927a8c8..886b281 100644 --- a/sys/dev/rtwn/if_rtwn.c +++ b/sys/dev/rtwn/if_rtwn.c @@ -1438,7 +1438,7 @@ rtwn_rx_frame(struct rtwn_softc *sc, struct r92c_rx_desc *rx_desc, struct rtwn_rx_data *rx_data, int desc_idx) { struct ieee80211com *ic = &sc->sc_ic; - struct ieee80211_frame *wh; + struct ieee80211_frame_min *wh; struct ieee80211_node *ni; struct r92c_rx_phystat *phy = NULL; uint32_t rxdw0, rxdw3; @@ -1462,7 +1462,8 @@ rtwn_rx_frame(struct rtwn_softc *sc, struct r92c_rx_desc *rx_desc, } pktlen = MS(rxdw0, R92C_RXDW0_PKTLEN); - if (__predict_false(pktlen < sizeof(*wh) || pktlen > MCLBYTES)) { + if (__predict_false(pktlen < sizeof(struct ieee80211_frame_ack) || + pktlen > MCLBYTES)) { counter_u64_add(ic->ic_ierrors, 1); return; } @@ -1554,10 +1555,13 @@ rtwn_rx_frame(struct rtwn_softc *sc, struct r92c_rx_desc *rx_desc, } RTWN_UNLOCK(sc); - wh = mtod(m, struct ieee80211_frame *); + wh = mtod(m, struct ieee80211_frame_min *); + if (m->m_len >= sizeof(*wh)) + ni = ieee80211_find_rxnode(ic, wh); + else + ni = NULL; /* Send the frame to the 802.11 layer. */ - ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *)wh); if (ni != NULL) { (void)ieee80211_input(ni, m, rssi - nf, nf); /* Node is no longer needed. */ |