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Differential D14731 Diff 40430 sys/dev/rtwn/if_rtwn_tx.c

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sys/dev/rtwn/if_rtwn_tx.c

Show First 20 Lines • Show All 106 Lines • ▼ Show 20 Linesrtwn_get_cipher(u_int ic_cipher)
return (cipher); return (cipher);
} }
static int static int
rtwn_tx_data(struct rtwn_softc *sc, struct ieee80211_node *ni, rtwn_tx_data(struct rtwn_softc *sc, struct ieee80211_node *ni,
struct mbuf *m) struct mbuf *m)
{ {
const struct ieee80211_txparam *tp = ni->ni_txparms; const struct ieee80211_txparam_vht *tp = ni->ni_txparms;
struct ieee80211com *ic = &sc->sc_ic; struct ieee80211com *ic = &sc->sc_ic;
struct ieee80211vap *vap = ni->ni_vap; struct ieee80211vap *vap = ni->ni_vap;
struct ieee80211_key *k = NULL; struct ieee80211_key *k = NULL;
struct ieee80211_frame *wh; struct ieee80211_frame *wh;
struct rtwn_tx_desc_common *txd; struct rtwn_tx_desc_common *txd;
struct rtwn_tx_buf buf; struct rtwn_tx_buf buf;
uint8_t rate, ridx, type; uint16_t rate_idx;
uint8_t type;
u_int cipher; u_int cipher;
int ismcast; int ismcast;
RTWN_ASSERT_LOCKED(sc); RTWN_ASSERT_LOCKED(sc);
wh = mtod(m, struct ieee80211_frame *); wh = mtod(m, struct ieee80211_frame *);
type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
ismcast = IEEE80211_IS_MULTICAST(wh->i_addr1); ismcast = IEEE80211_IS_MULTICAST(wh->i_addr1);
/* Choose a TX rate index. */ /* Choose a TX rate index. */
if (type == IEEE80211_FC0_TYPE_MGT || if (type == IEEE80211_FC0_TYPE_MGT ||
type == IEEE80211_FC0_TYPE_CTL || type == IEEE80211_FC0_TYPE_CTL ||
(m->m_flags & M_EAPOL) != 0) (m->m_flags & M_EAPOL) != 0)
rate = tp->mgmtrate; rate_idx = tp->mgmtrate;
else if (ismcast) else if (ismcast)
rate = tp->mcastrate; rate_idx = tp->mcastrate;
else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE) else if (tp->ucastrate != IEEE80211_RATE_NONEXISTENT)
rate = tp->ucastrate; rate_idx = tp->ucastrate;
else { else {
if (sc->sc_ratectl == RTWN_RATECTL_NET80211) { if (sc->sc_ratectl == RTWN_RATECTL_NET80211) {
/* XXX pass pktlen */ /* XXX pass pktlen */
(void) ieee80211_ratectl_rate(ni, NULL, 0); (void) ieee80211_ratectl_rate(ni, NULL, 0);
rate = ni->ni_txrate; rate_idx = ni->ni_txrate;
} else { } else {
if (ni->ni_flags & IEEE80211_NODE_VHT)
rate_idx = IEEE80211_RATE_INDEX_VHT(4, 1);
if (ni->ni_flags & IEEE80211_NODE_HT) if (ni->ni_flags & IEEE80211_NODE_HT)
rate = IEEE80211_RATE_MCS | 0x4; /* MCS4 */ rate_idx = IEEE80211_RATE_INDEX_HT(4);
else if (ic->ic_curmode != IEEE80211_MODE_11B) else if (ic->ic_curmode != IEEE80211_MODE_11B)
rate = ridx2rate[RTWN_RIDX_OFDM36]; rate_idx = IEEE80211_RATE_INDEX_OFDM36;
else else
rate = ridx2rate[RTWN_RIDX_CCK55]; rate_idx = IEEE80211_RATE_INDEX_CCK5;
} }
} }
ridx = rate2ridx(rate);
cipher = IEEE80211_CIPHER_NONE; cipher = IEEE80211_CIPHER_NONE;
if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) { if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) {
k = ieee80211_crypto_encap(ni, m); k = ieee80211_crypto_encap(ni, m);
if (k == NULL) { if (k == NULL) {
device_printf(sc->sc_dev, device_printf(sc->sc_dev,
"ieee80211_crypto_encap returns NULL.\n"); "ieee80211_crypto_encap returns NULL.\n");
return (ENOBUFS); return (ENOBUFS);
} }
if (!(k->wk_flags & IEEE80211_KEY_SWCRYPT)) if (!(k->wk_flags & IEEE80211_KEY_SWCRYPT))
cipher = k->wk_cipher->ic_cipher; cipher = k->wk_cipher->ic_cipher;
/* in case packet header moved, reset pointer */ /* in case packet header moved, reset pointer */
wh = mtod(m, struct ieee80211_frame *); wh = mtod(m, struct ieee80211_frame *);
} }
/* Fill Tx descriptor. */ /* Fill Tx descriptor. */
txd = (struct rtwn_tx_desc_common *)&buf; txd = (struct rtwn_tx_desc_common *)&buf;
memset(txd, 0, sc->txdesc_len); memset(txd, 0, sc->txdesc_len);
txd->txdw1 = htole32(SM(RTWN_TXDW1_CIPHER, rtwn_get_cipher(cipher))); txd->txdw1 = htole32(SM(RTWN_TXDW1_CIPHER, rtwn_get_cipher(cipher)));
rtwn_fill_tx_desc(sc, ni, m, txd, ridx, tp->maxretry); rtwn_fill_tx_desc(sc, ni, m, txd, rate_idx, tp->maxretry);
if (ieee80211_radiotap_active_vap(vap)) { if (ieee80211_radiotap_active_vap(vap)) {
struct rtwn_tx_radiotap_header *tap = &sc->sc_txtap; struct rtwn_tx_radiotap_header *tap = &sc->sc_txtap;
tap->wt_flags = rtwn_tx_radiotap_flags(sc, txd); tap->wt_flags = rtwn_tx_radiotap_flags(sc, txd);
if (k != NULL) if (k != NULL)
tap->wt_flags |= IEEE80211_RADIOTAP_F_WEP; tap->wt_flags |= IEEE80211_RADIOTAP_F_WEP;
ieee80211_radiotap_tx(vap, m); ieee80211_radiotap_tx(vap, m);
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