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net80211(4): hide casts for 'i_seq' field offset calculation inside

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ieee80211_getqos() and reuse it in various places.

Checked with RTL8188EE, HOSTAP mode + RTL8188CUS, STA mode.

MFC after:	2 weeks
This commit is contained in:
Andriy Voskoboinyk 2019-02-10 23:58:56 +00:00
parent 0020c845a0
commit f3f08e16a3
11 changed files with 41 additions and 75 deletions
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20
sys/dev/malo/if_malo.c
View File

@ -1051,13 +1051,9 @@ malo_tx_start(struct malo_softc *sc, struct ieee80211_node *ni,
copyhdrlen = hdrlen = ieee80211_anyhdrsize(wh);
pktlen = m0->m_pkthdr.len;
if (IEEE80211_QOS_HAS_SEQ(wh)) {
if (IEEE80211_IS_DSTODS(wh)) {
qos = *(uint16_t *)
(((struct ieee80211_qosframe_addr4 *) wh)->i_qos);
qos = *(uint16_t *)ieee80211_getqos(wh);
if (IEEE80211_IS_DSTODS(wh))
copyhdrlen -= sizeof(qos);
} else
qos = *(uint16_t *)
(((struct ieee80211_qosframe *) wh)->i_qos);
} else
qos = 0;
@ -1952,7 +1948,6 @@ malo_rx_proc(void *arg, int npending)
struct malo_rxdesc *ds;
struct mbuf *m, *mnew;
struct ieee80211_qosframe *wh;
struct ieee80211_qosframe_addr4 *wh4;
struct ieee80211_node *ni;
int off, len, hdrlen, pktlen, rssi, ntodo;
uint8_t *data, status;
@ -2062,15 +2057,8 @@ malo_rx_proc(void *arg, int npending)
/* NB: don't need to do this sometimes but ... */
/* XXX special case so we can memcpy after m_devget? */
ovbcopy(data + sizeof(uint16_t), wh, hdrlen);
if (IEEE80211_QOS_HAS_SEQ(wh)) {
if (IEEE80211_IS_DSTODS(wh)) {
wh4 = mtod(m,
struct ieee80211_qosframe_addr4*);
*(uint16_t *)wh4->i_qos = ds->qosctrl;
} else {
*(uint16_t *)wh->i_qos = ds->qosctrl;
}
}
if (IEEE80211_QOS_HAS_SEQ(wh))
*(uint16_t *)ieee80211_getqos(wh) = ds->qosctrl;
if (ieee80211_radiotap_active(ic)) {
sc->malo_rx_th.wr_flags = 0;
sc->malo_rx_th.wr_rate = ds->rate;

20
sys/dev/mwl/if_mwl.c
View File

@ -2614,7 +2614,6 @@ mwl_rx_proc(void *arg, int npending)
struct mwl_rxdesc *ds;
struct mbuf *m;
struct ieee80211_qosframe *wh;
struct ieee80211_qosframe_addr4 *wh4;
struct ieee80211_node *ni;
struct mwl_node *mn;
int off, len, hdrlen, pktlen, rssi, ntodo;
@ -2761,15 +2760,8 @@ mwl_rx_proc(void *arg, int npending)
/* NB: don't need to do this sometimes but ... */
/* XXX special case so we can memcpy after m_devget? */
ovbcopy(data + sizeof(uint16_t), wh, hdrlen);
if (IEEE80211_QOS_HAS_SEQ(wh)) {
if (IEEE80211_IS_DSTODS(wh)) {
wh4 = mtod(m,
struct ieee80211_qosframe_addr4*);
*(uint16_t *)wh4->i_qos = ds->QosCtrl;
} else {
*(uint16_t *)wh->i_qos = ds->QosCtrl;
}
}
if (IEEE80211_QOS_HAS_SEQ(wh))
*(uint16_t *)ieee80211_getqos(wh) = ds->QosCtrl;
/*
* The f/w strips WEP header but doesn't clear
* the WEP bit; mark the packet with M_WEP so
@ -3100,13 +3092,9 @@ mwl_tx_start(struct mwl_softc *sc, struct ieee80211_node *ni, struct mwl_txbuf *
copyhdrlen = hdrlen;
pktlen = m0->m_pkthdr.len;
if (IEEE80211_QOS_HAS_SEQ(wh)) {
if (IEEE80211_IS_DSTODS(wh)) {
qos = *(uint16_t *)
(((struct ieee80211_qosframe_addr4 *) wh)->i_qos);
qos = *(uint16_t *)ieee80211_getqos(wh);
if (IEEE80211_IS_DSTODS(wh))
copyhdrlen -= sizeof(qos);
} else
qos = *(uint16_t *)
(((struct ieee80211_qosframe *) wh)->i_qos);
} else
qos = 0;

6
sys/dev/usb/wlan/if_run.c
View File

@ -3369,11 +3369,7 @@ run_tx(struct run_softc *sc, struct mbuf *m, struct ieee80211_node *ni)
if ((hasqos = IEEE80211_QOS_HAS_SEQ(wh))) {
uint8_t *frm;
if(IEEE80211_HAS_ADDR4(wh))
frm = ((struct ieee80211_qosframe_addr4 *)wh)->i_qos;
else
frm =((struct ieee80211_qosframe *)wh)->i_qos;
frm = ieee80211_getqos(wh);
qos = le16toh(*(const uint16_t *)frm);
tid = qos & IEEE80211_QOS_TID;
qid = TID_TO_WME_AC(tid);

8
sys/net80211/ieee80211_adhoc.c
View File

@ -522,11 +522,9 @@ adhoc_input(struct ieee80211_node *ni, struct mbuf *m,
/*
* Save QoS bits for use below--before we strip the header.
*/
if (subtype == IEEE80211_FC0_SUBTYPE_QOS) {
qos = (dir == IEEE80211_FC1_DIR_DSTODS) ?
((struct ieee80211_qosframe_addr4 *)wh)->i_qos[0] :
((struct ieee80211_qosframe *)wh)->i_qos[0];
} else
if (subtype == IEEE80211_FC0_SUBTYPE_QOS)
qos = ieee80211_getqos(wh)[0];
else
qos = 0;
/*

8
sys/net80211/ieee80211_hostap.c
View File

@ -708,11 +708,9 @@ hostap_input(struct ieee80211_node *ni, struct mbuf *m,
/*
* Save QoS bits for use below--before we strip the header.
*/
if (subtype == IEEE80211_FC0_SUBTYPE_QOS) {
qos = (dir == IEEE80211_FC1_DIR_DSTODS) ?
((struct ieee80211_qosframe_addr4 *)wh)->i_qos[0] :
((struct ieee80211_qosframe *)wh)->i_qos[0];
} else
if (subtype == IEEE80211_FC0_SUBTYPE_QOS)
qos = ieee80211_getqos(wh)[0];
else
qos = 0;
/*

5
sys/net80211/ieee80211_ht.c
View File

@ -886,10 +886,7 @@ ieee80211_ampdu_reorder(struct ieee80211_node *ni, struct mbuf *m,
if (IEEE80211_IS_MULTICAST(wh->i_addr1))
return PROCESS;
if (IEEE80211_IS_DSTODS(wh))
tid = ((struct ieee80211_qosframe_addr4 *)wh)->i_qos[0];
else
tid = wh->i_qos[0];
tid = ieee80211_getqos(wh)[0];
tid &= IEEE80211_QOS_TID;
rap = &ni->ni_rx_ampdu[tid];
if ((rap->rxa_flags & IEEE80211_AGGR_XCHGPEND) == 0) {

7
sys/net80211/ieee80211_mesh.c
View File

@ -1655,12 +1655,7 @@ mesh_input(struct ieee80211_node *ni, struct mbuf *m,
* in the Mesh Control field and a 3 address qos frame
* is used.
*/
if (IEEE80211_IS_DSTODS(wh))
*(uint16_t *)qos = *(uint16_t *)
((struct ieee80211_qosframe_addr4 *)wh)->i_qos;
else
*(uint16_t *)qos = *(uint16_t *)
((struct ieee80211_qosframe *)wh)->i_qos;
*(uint16_t *)qos = *(uint16_t *)ieee80211_getqos(wh);
/*
* NB: The mesh STA sets the Mesh Control Present

10
sys/net80211/ieee80211_output.c
View File

@ -1948,14 +1948,8 @@ ieee80211_fragment(struct ieee80211vap *vap, struct mbuf *m0,
whf = mtod(m, struct ieee80211_frame *);
memcpy(whf, wh, hdrsize);
#ifdef IEEE80211_SUPPORT_MESH
if (vap->iv_opmode == IEEE80211_M_MBSS) {
if (IEEE80211_IS_DSTODS(wh))
((struct ieee80211_qosframe_addr4 *)
whf)->i_qos[1] &= ~IEEE80211_QOS_MC;
else
((struct ieee80211_qosframe *)
whf)->i_qos[1] &= ~IEEE80211_QOS_MC;
}
if (vap->iv_opmode == IEEE80211_M_MBSS)
ieee80211_getqos(wh)[1] &= ~IEEE80211_QOS_MC;
#endif
*(uint16_t *)&whf->i_seq[0] |= htole16(
(fragno & IEEE80211_SEQ_FRAG_MASK) <<

16
sys/net80211/ieee80211_proto.h
View File

@ -302,6 +302,22 @@ void ieee80211_wme_ic_getparams(struct ieee80211com *ic,
struct chanAccParams *);
int ieee80211_wme_vap_ac_is_noack(struct ieee80211vap *vap, int ac);
/*
* Return pointer to the QoS field from a Qos frame.
*/
static __inline uint8_t *
ieee80211_getqos(void *data)
{
struct ieee80211_frame *wh = data;
KASSERT(IEEE80211_QOS_HAS_SEQ(wh), ("QoS field is absent!"));
if (IEEE80211_IS_DSTODS(wh))
return (((struct ieee80211_qosframe_addr4 *)wh)->i_qos);
else
return (((struct ieee80211_qosframe *)wh)->i_qos);
}
/*
* Return the WME TID from a QoS frame. If no TID
* is present return the index for the "non-QoS" entry.

8
sys/net80211/ieee80211_sta.c
View File

@ -786,11 +786,9 @@ sta_input(struct ieee80211_node *ni, struct mbuf *m,
/*
* Save QoS bits for use below--before we strip the header.
*/
if (subtype == IEEE80211_FC0_SUBTYPE_QOS) {
qos = (dir == IEEE80211_FC1_DIR_DSTODS) ?
((struct ieee80211_qosframe_addr4 *)wh)->i_qos[0] :
((struct ieee80211_qosframe *)wh)->i_qos[0];
} else
if (subtype == IEEE80211_FC0_SUBTYPE_QOS)
qos = ieee80211_getqos(wh)[0];
else
qos = 0;
/*

8
sys/net80211/ieee80211_wds.c
View File

@ -583,11 +583,9 @@ wds_input(struct ieee80211_node *ni, struct mbuf *m,
/*
* Save QoS bits for use below--before we strip the header.
*/
if (subtype == IEEE80211_FC0_SUBTYPE_QOS) {
qos = (dir == IEEE80211_FC1_DIR_DSTODS) ?
((struct ieee80211_qosframe_addr4 *)wh)->i_qos[0] :
((struct ieee80211_qosframe *)wh)->i_qos[0];
} else
if (subtype == IEEE80211_FC0_SUBTYPE_QOS)
qos = ieee80211_getqos(wh)[0];
else
qos = 0;
/*