Source-Changes-HG archive
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index]
[src-draft/trunk]: src/sys/dev/pci Avoid redundant (and expensive) channel setup
details: https://anonhg.NetBSD.org/src-all/rev/262af213d722
branches: trunk
changeset: 361475:262af213d722
user: Martin Husemann <martin%NetBSD.org@localhost>
date: Sun Jun 06 14:28:55 2021 +0200
description:
Avoid redundant (and expensive) channel setup
diffstat:
sys/dev/pci/if_rtwn.c | 8 ++++++++
sys/dev/pci/if_rtwnreg.h | 1 +
2 files changed, 9 insertions(+), 0 deletions(-)
diffs (36 lines):
diff -r 68a012a55032 -r 262af213d722 sys/dev/pci/if_rtwn.c
--- a/sys/dev/pci/if_rtwn.c Sun Jun 06 14:27:00 2021 +0200
+++ b/sys/dev/pci/if_rtwn.c Sun Jun 06 14:28:55 2021 +0200
@@ -3147,6 +3147,11 @@
DPRINTFN(3, ("%s: %s\n", device_xname(sc->sc_dev), __func__));
+ if (sc->sc_curchan != NULL && sc->sc_curchan == ic->ic_curchan)
+ return;
+
+// RTWN_LOCK(); // XXX
+
chan = ieee80211_chan2ieee(ic, ic->ic_curchan);
/* Set Tx power for this new channel. */
@@ -3214,6 +3219,9 @@
rtwn_rf_write(sc, 0, R92C_RF_CHNLBW,
(sc->rf_chnlbw[0] & ~0xfff) | R92C_RF_CHNLBW_BW20 | chan);
}
+
+ sc->sc_curchan = ic->ic_curchan;
+// RTWN_UNLOCK(); // XXX
}
static void
diff -r 68a012a55032 -r 262af213d722 sys/dev/pci/if_rtwnreg.h
--- a/sys/dev/pci/if_rtwnreg.h Sun Jun 06 14:27:00 2021 +0200
+++ b/sys/dev/pci/if_rtwnreg.h Sun Jun 06 14:28:55 2021 +0200
@@ -147,6 +147,7 @@
device_t sc_dev;
struct ieee80211com sc_ic;
struct ifqueue sc_sendq;
+ struct ieee80211_channel *sc_curchan;
/* PCI specific goo. */
bus_dma_tag_t sc_dmat;
Home |
Main Index |
Thread Index |
Old Index