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[src-draft/trunk]: src/sys/net80211 Remove the additional queue for managemen...
details: https://anonhg.NetBSD.org/src-all/rev/b34c15de2a9e
branches: trunk
changeset: 371005:b34c15de2a9e
user: Martin Husemann <martin%NetBSD.org@localhost>
date: Tue Dec 15 18:44:07 2020 +0100
description:
Remove the additional queue for management frames.
Simplify the code, and also remove all tests in drivers checking for the
VAP's state before sending packets - the stack will deal with that.
diffstat:
sys/dev/pci/if_iwm.c | 16 +---------------
sys/dev/pci/if_iwn.c | 15 ---------------
sys/dev/pci/if_rtwn.c | 14 +-------------
sys/dev/usb/if_urtwn.c | 36 +++++-------------------------------
sys/net80211/ieee80211_var.h | 3 ---
5 files changed, 7 insertions(+), 77 deletions(-)
diffs (230 lines):
diff -r 4b65c73bcb4d -r b34c15de2a9e sys/dev/pci/if_iwm.c
--- a/sys/dev/pci/if_iwm.c Mon Dec 14 16:39:56 2020 +0100
+++ b/sys/dev/pci/if_iwm.c Tue Dec 15 18:44:07 2020 +0100
@@ -6861,31 +6861,19 @@
return;
for (;;) {
- /* why isn't this done per-queue? */
if (sc->qfullmsk != 0) {
sc->sc_flags |= IWM_FLAG_TX_RUNNING;
break;
}
- /* need to send management frames even if we're not RUNning */
- IF_DEQUEUE(&sc->sc_ic.ic_mgtq, m);
- if (m) {
- ni = M_GETCTX(m, struct ieee80211_node *);
- M_CLEARCTX(m);
- goto sendit;
- }
-
/* check for data frames */
- IFQ_POLL(&sc->sc_sendq, m);
+ IFQ_DEQUEUE(&sc->sc_sendq, m);
if (m == NULL)
break;
ni = M_GETCTX(m, struct ieee80211_node *);
M_CLEARCTX(m);
vap = ni->ni_vap;
-
- if (vap->iv_state != IEEE80211_S_RUN)
- break;
wh = mtod(m, struct ieee80211_frame *);
if (m->m_len < (int)sizeof(*wh) &&
@@ -6893,7 +6881,6 @@
if_statinc(vap->iv_ifp, if_oerrors);
continue;
}
- IFQ_DEQUEUE(&sc->sc_sendq, m);
bpf_mtap(vap->iv_ifp, m, BPF_D_OUT);
@@ -6903,7 +6890,6 @@
continue;
}
- sendit:
if (iwm_raw_xmit(ni, m, NULL) != 0) {
ieee80211_free_node(ni);
if (vap != NULL)
diff -r 4b65c73bcb4d -r b34c15de2a9e sys/dev/pci/if_iwn.c
--- a/sys/dev/pci/if_iwn.c Mon Dec 14 16:39:56 2020 +0100
+++ b/sys/dev/pci/if_iwn.c Tue Dec 15 18:44:07 2020 +0100
@@ -3345,11 +3345,6 @@
if ((ifp->if_flags & (IFF_RUNNING | IFF_OACTIVE)) != IFF_RUNNING)
return 0;
-#if 0
- if (vap->iv_state != IEEE80211_S_RUN)
- return ENXIO;
-#endif
-
if (m->m_len < sizeof (*eh) &&
(m = m_pullup(m, sizeof (*eh))) == NULL) {
if_statinc(ifp, if_oerrors);
@@ -3710,15 +3705,6 @@
ifp->if_flags |= IFF_OACTIVE;
break;
}
- /* Send pending management frames first. */
- IF_DEQUEUE(&ic->ic_mgtq, m);
- if (m != NULL) {
- ni = M_GETCTX(m, struct ieee80211_node *);
- ac = 0;
- goto sendit;
- }
- if (vap->iv_state != IEEE80211_S_RUN)
- break;
/* Encapsulate and send data frames. */
IFQ_DEQUEUE(&ifp->if_snd, m);
@@ -3759,7 +3745,6 @@
if (sc->sc_beacon_wait == 0)
bpf_mtap(ifp, m, BPF_D_OUT);
-sendit:
if (sc->sc_beacon_wait)
continue;
diff -r 4b65c73bcb4d -r b34c15de2a9e sys/dev/pci/if_rtwn.c
--- a/sys/dev/pci/if_rtwn.c Mon Dec 14 16:39:56 2020 +0100
+++ b/sys/dev/pci/if_rtwn.c Tue Dec 15 18:44:07 2020 +0100
@@ -2162,16 +2162,9 @@
sc->sc_flags |= RTWN_FLAG_TX_RUNNING;
break;
}
- /* Send pending management frames first. */
- IF_DEQUEUE(&ic->ic_mgtq, m);
- if (m != NULL) {
- ni = M_GETCTX(m, struct ieee80211_node *);
- M_CLEARCTX(m);
- goto sendit;
- }
/* Encapsulate and send data frames. */
- IFQ_POLL(&sc->sc_sendq, m);
+ IFQ_DEQUEUE(&sc->sc_sendq, m);
if (m == NULL)
break;
@@ -2179,16 +2172,12 @@
M_CLEARCTX(m);
vap = ni->ni_vap;
- if (vap->iv_state != IEEE80211_S_RUN)
- break;
-
struct ieee80211_frame *wh = mtod(m, struct ieee80211_frame *);
if (m->m_len < (int)sizeof(*wh) &&
(m = m_pullup(m, sizeof(*wh))) == NULL) {
ic->ic_oerrors++;
continue;
}
- IFQ_DEQUEUE(&sc->sc_sendq, m);
bpf_mtap(vap->iv_ifp, m, BPF_D_OUT);
@@ -2197,7 +2186,6 @@
if_statinc(vap->iv_ifp, if_oerrors);
continue;
}
-sendit:
if (rtwn_raw_xmit(ni, m, NULL) != 0) {
ieee80211_free_node(ni);
diff -r 4b65c73bcb4d -r b34c15de2a9e sys/dev/usb/if_urtwn.c
--- a/sys/dev/usb/if_urtwn.c Mon Dec 14 16:39:56 2020 +0100
+++ b/sys/dev/usb/if_urtwn.c Tue Dec 15 18:44:07 2020 +0100
@@ -3269,7 +3269,6 @@
urtwn_start(struct urtwn_softc *sc)
{
struct urtwn_tx_data *data;
- struct ieee80211com *ic = &sc->sc_ic;
struct ether_header *eh;
struct ieee80211_node *ni;
struct ieee80211vap *vap = NULL;
@@ -3282,39 +3281,17 @@
data = NULL;
for (;;) {
- /* Send pending management frames first. */
- IF_POLL(&ic->ic_mgtq, m);
- if (m != NULL) {
- /* Use AC_VO for management frames. */
-
- data = urtwn_get_tx_data(sc, sc->ac2idx[WME_AC_VO]);
-
- if (data == NULL) {
- sc->sc_oactive = true;
- DPRINTFN(DBG_TX, (
- "%s: empty tx_free_list for mgmt\n",
- device_xname(sc->sc_dev)));
- return;
- }
- IF_DEQUEUE(&ic->ic_mgtq, m);
- ni = M_GETCTX(m, struct ieee80211_node *);
- KASSERT(ni != NULL);
- M_CLEARCTX(m);
- goto sendit;
- }
+ IFQ_DEQUEUE(&sc->sc_sendq, m);
+ if (m == NULL)
+ break;
/* Encapsulate and send data frames. */
- IFQ_POLL(&sc->sc_sendq, m);
- if (m == NULL)
- break;
-
ni = M_GETCTX(m, struct ieee80211_node *);
KASSERTMSG(ni != NULL, "wifi mbuf w/o node: %p", m);
M_CLEARCTX(m);
vap = ni->ni_vap;
-
- if (vap->iv_state != IEEE80211_S_RUN)
- break;
+ KASSERTMSG(vap != NULL, "wifi mbuf w/o VAP, mbuf: %p node: %p",
+ m, ni);
struct ieee80211_frame *wh = mtod(m, struct ieee80211_frame *);
uint8_t type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
@@ -3328,7 +3305,6 @@
qid = WME_AC_VO;
}
data = urtwn_get_tx_data(sc, sc->ac2idx[qid]);
-
if (data == NULL) {
vap->iv_ifp->if_flags |= IFF_OACTIVE;
DPRINTFN(DBG_TX, (
@@ -3336,7 +3312,6 @@
device_xname(sc->sc_dev), qid));
return;
}
- IFQ_DEQUEUE(&sc->sc_sendq, m);
if (m->m_len < (int)sizeof(*eh) &&
(m = m_pullup(m, sizeof(*eh))) == NULL) {
@@ -3370,7 +3345,6 @@
continue;
}
- sendit:
if (urtwn_tx(sc, m, ni, data) != 0) {
m_freem(m);
ieee80211_free_node(ni);
diff -r 4b65c73bcb4d -r b34c15de2a9e sys/net80211/ieee80211_var.h
--- a/sys/net80211/ieee80211_var.h Mon Dec 14 16:39:56 2020 +0100
+++ b/sys/net80211/ieee80211_var.h Tue Dec 15 18:44:07 2020 +0100
@@ -147,9 +147,6 @@
int ic_headroom; /* driver tx headroom needs */
enum ieee80211_phytype ic_phytype; /* XXX wrong for multi-mode */
enum ieee80211_opmode ic_opmode; /* operation mode */
-#if __NetBSD__
- struct ifqueue ic_mgtq; /* NNN Needed? */
-#endif
struct taskqueue *ic_tq; /* deferred state thread */
struct task ic_parent_task; /* deferred parent processing */
struct task ic_promisc_task;/* deferred promisc update */
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