[src-draft/trunk]: src/sys/dev/pci Fix vap_setup to match iwm(4).

[Nathanial Sloss <nat%netbsd.org@localhost>]

details:   https://anonhg.NetBSD.org/src-all/rev/39bf9a8b93a4
branches:  trunk
changeset: 376438:39bf9a8b93a4
user:      Nathanial Sloss <nat%netbsd.org@localhost>
date:      Sun Jun 18 15:10:47 2023 +1000

description:
Fix vap_setup to match iwm(4).

if_start functions have to be set as they are used in ieee80211_transmit.

It is now possible to connect to wifi with wpa_supplicant, though performance
is dismal and it only seems to connect to 11n APs.

diffstat:

 sys/dev/pci/if_iwn.c |  12 ++++++++----
 1 files changed, 8 insertions(+), 4 deletions(-)

diffs (37 lines):

diff -r 84a43830b3a9 -r 39bf9a8b93a4 sys/dev/pci/if_iwn.c
--- a/sys/dev/pci/if_iwn.c      Sun Jun 18 15:07:55 2023 +1000
+++ b/sys/dev/pci/if_iwn.c      Sun Jun 18 15:10:47 2023 +1000
@@ -775,7 +775,6 @@ iwn_config_complete(device_t self)
        iwn_get_radiocaps(ic, IEEE80211_CHAN_MAX, &ic->ic_nchans,
            ic->ic_channels);
 
-       //ifp->if_percpuq = if_percpuq_create(ifp);
        ieee80211_ifattach(ic);
 
        ic->ic_vap_create = iwn_vap_create;
@@ -1015,17 +1014,22 @@ iwn_vap_create(struct ieee80211com *ic, 
        /* Local setup */
        vap->vap.iv_reset = iwn_reset;
 
-       /* Finish setup */
-       ieee80211_vap_attach(&vap->vap, iwn_media_change,
-           ieee80211_media_status, macaddr);
+       /* Use common softint-based if_input */
+       vap->vap.iv_ifp->if_percpuq = if_percpuq_create(vap->vap.iv_ifp);
 
        /* Override state transition machine. */
        /* NNN --- many possible newstate machines ... issue! */
        vap->newstate = vap->vap.iv_newstate;
        vap->vap.iv_newstate = iwn_newstate;
+       vap->vap.iv_ifp->if_start = iwn_start;
+       vap->vap.iv_ifp->if_extflags |= IFEF_MPSAFE;
 
        ic->ic_opmode = opmode;
 
+       /* Finish setup */
+       ieee80211_vap_attach(&vap->vap, iwn_media_change,
+           ieee80211_media_status, macaddr);
+
        return &vap->vap;
 }