Show the iwx(4) firmware filename if 'ifconfig iwx0 debug' is active.

This should help with diagnosing device matching bugs. The matching
logic has become increasingly complex. Knowing which firmware file
was selected is useful information which cannot be inferred from the
PCI device ID alone anymore.

diff --git a/sys/dev/pci/if_iwx.c b/sys/dev/pci/if_iwx.c
index 3c55648..b663f90 100644 (file)
--- a/sys/dev/pci/if_iwx.c
+++ b/sys/dev/pci/if_iwx.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: if_iwx.c,v 1.147 2022/05/13 05:06:56 stsp Exp $       */
+/*     $OpenBSD: if_iwx.c,v 1.148 2022/05/13 08:48:40 stsp Exp $       */
 
 /*
  * Copyright (c) 2014, 2016 genua gmbh <info@genua.de>
@@ -1173,6 +1173,7 @@ iwx_fw_info_free(struct iwx_fw_info *fw)
 int
 iwx_read_firmware(struct iwx_softc *sc)
 {
+       struct ieee80211com *ic = &sc->sc_ic;
        struct iwx_fw_info *fw = &sc->sc_fw;
        struct iwx_tlv_ucode_header *uhdr;
        struct iwx_ucode_tlv tlv;
@@ -1199,6 +1200,9 @@ iwx_read_firmware(struct iwx_softc *sc)
                goto out;
        }
 
+       if (ic->ic_if.if_flags & IFF_DEBUG)
+               printf("%s: using firmware %s\n", DEVNAME(sc), sc->sc_fwname);
+
        sc->sc_capaflags = 0;
        sc->sc_capa_n_scan_channels = IWX_DEFAULT_SCAN_CHANNELS;
        memset(sc->sc_enabled_capa, 0, sizeof(sc->sc_enabled_capa));