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[src-draft/trunk]: src/sys/dev/pci Adapt to VAP/struct ifnet vs. radio IC split.
details: https://anonhg.NetBSD.org/src-all/rev/dfd8b11ebc95
branches: trunk
changeset: 988519:dfd8b11ebc95
user: Martin Husemann <martin%NetBSD.org@localhost>
date: Sun Sep 27 16:26:02 2020 +0200
description:
Adapt to VAP/struct ifnet vs. radio IC split.
Work in progress, does not fully work yet.
diffstat:
sys/dev/pci/if_iwm.c | 595 ++++++++++++++++-------------------------------
sys/dev/pci/if_iwmvar.h | 6 +-
2 files changed, 207 insertions(+), 394 deletions(-)
diffs (truncated from 1072 to 300 lines):
diff -r e2953be9121d -r dfd8b11ebc95 sys/dev/pci/if_iwm.c
--- a/sys/dev/pci/if_iwm.c Sun Sep 27 16:21:43 2020 +0200
+++ b/sys/dev/pci/if_iwm.c Sun Sep 27 16:26:02 2020 +0200
@@ -377,13 +377,14 @@
static int iwm_calc_rssi(struct iwm_softc *, struct iwm_rx_phy_info *);
static int iwm_get_signal_strength(struct iwm_softc *,
struct iwm_rx_phy_info *);
-static void iwm_rx_rx_phy_cmd(struct ieee80211vap *,
+static void iwm_rx_rx_phy_cmd(struct iwm_softc *,
struct iwm_rx_packet *, struct iwm_rx_data *);
static int iwm_get_noise(const struct iwm_statistics_rx_non_phy *);
-static void iwm_rx_rx_mpdu(struct ieee80211vap *, struct iwm_rx_packet *,
+static void iwm_rx_rx_mpdu(struct iwm_softc *, struct iwm_rx_packet *,
struct iwm_rx_data *);
-static void iwm_rx_tx_cmd_single(struct ieee80211vap *, struct iwm_rx_packet *, struct iwm_node *);
-static void iwm_rx_tx_cmd(struct ieee80211vap *, struct iwm_rx_packet *,
+static void iwm_rx_tx_cmd_single(struct iwm_softc *, struct iwm_rx_packet *,
+ struct iwm_node *);
+static void iwm_rx_tx_cmd(struct iwm_softc *, struct iwm_rx_packet *,
struct iwm_rx_data *);
static int iwm_binding_cmd(struct iwm_softc *, struct iwm_node *,
uint32_t);
@@ -414,8 +415,6 @@
static const struct iwm_rate *
iwm_tx_fill_cmd(struct iwm_softc *, struct iwm_node *,
struct ieee80211_frame *, struct iwm_tx_cmd *);
-static int iwm_tx(struct ieee80211vap *, struct mbuf *,
- struct ieee80211_node *, int);
static void iwm_led_enable(struct iwm_softc *);
static void iwm_led_disable(struct iwm_softc *);
static int iwm_led_is_enabled(struct iwm_softc *);
@@ -469,7 +468,6 @@
static void iwm_setrates_task(void *);
static int iwm_setrates(struct iwm_node *);
#endif
-static int iwm_media_change(struct ifnet *);
#if 0
static int iwm_do_newstate(struct ieee80211vap *, enum ieee80211_state,
int);
@@ -483,23 +481,22 @@
static int iwm_send_bt_init_conf(struct iwm_softc *);
static int iwm_send_update_mcc_cmd(struct iwm_softc *, const char *);
static void iwm_tt_tx_backoff(struct iwm_softc *, uint32_t);
-static int iwm_init_hw(struct ieee80211vap *);
-static int iwm_init(struct ifnet *);
-static void iwm_start(struct ifnet *);
-static void iwm_stop(struct ifnet *, int);
+static int iwm_init_hw(struct iwm_softc *);
+static int iwm_init(struct iwm_softc *);
+static void iwm_start(struct iwm_softc *);
+static void iwm_stop(struct iwm_softc *);
#ifdef notyet
static void iwm_watchdog(struct ifnet *);
#endif
-static int iwm_ioctl(struct ifnet *, u_long, void *);
#ifdef IWM_DEBUG
static const char *iwm_desc_lookup(uint32_t);
static void iwm_nic_error(struct iwm_softc *);
static void iwm_nic_umac_error(struct iwm_softc *);
#endif
-static void iwm_notif_intr(struct ieee80211vap *);
+static void iwm_notif_intr(struct iwm_softc *);
static int iwm_intr(void *);
static void iwm_softintr(void *);
-//static int iwm_preinit(struct iwm_softc *);
+static int iwm_preinit(struct iwm_softc *);
static void iwm_attach_hook(device_t);
static void iwm_attach(device_t, device_t, void *);
static int iwm_config_complete(struct iwm_softc *);
@@ -519,6 +516,15 @@
#endif
static char iwm_default_mcc[3] = IWM_DEFAULT_MCC;
+/*
+ * We ovveride the VAP's newstate method, so need to save the old
+ * function pointer for each VAP.
+ */
+struct iwm_vap {
+ struct ieee80211vap vap;
+ int (*newstate)(struct ieee80211vap *, enum ieee80211_state, int);
+};
+
static int
iwm_firmload(struct iwm_softc *sc)
{
@@ -1924,79 +1930,24 @@
}
static int
-iwm_raw_xmit(struct ieee80211_node *ni , struct mbuf *m,
- const struct ieee80211_bpf_params *bpfp)
-{
- struct ieee80211vap *vap = ni->ni_vap;
- struct ieee80211com *ic = ni->ni_ic;
+iwm_transmit(struct ieee80211com *ic, struct mbuf *m)
+{
struct iwm_softc *sc = ic->ic_softc;
- struct ifnet *ifp = vap->iv_ifp;
- struct ether_header *eh;
- int ac;
-
- DPRINTFN(3, ("%s: %s\n",device_xname(sc->sc_dev), __func__));
-
- KASSERT(vap != NULL); /* NNN need these? */
- KASSERT(ic != NULL);
- KASSERT(sc != NULL);
- KASSERT(m != NULL);
-
- if ((ifp->if_flags & (IFF_RUNNING | IFF_OACTIVE)) != IFF_RUNNING)
- return 0;
-
- if (m->m_len < sizeof (*eh) &&
- (m = m_pullup(m, sizeof (*eh))) == NULL) {
- if_statinc(ifp, if_oerrors);
- return EIO;
- }
- eh = mtod(m, struct ether_header *);
-
- /* No QoS encapsulation for EAPOL frames. */
- ac = (eh->ether_type != htons(ETHERTYPE_PAE)) ?
- M_WME_GETAC(m) : WME_AC_BE;
-
- bpf_mtap3(vap->iv_rawbpf, m, BPF_D_OUT);
-
- if (iwm_tx(vap, m, ni, ac) != 0) {
- ieee80211_free_node(ni);
- if_statinc(ifp, if_oerrors);
- return ENXIO;
- }
-
- sc->sc_tx_timer = 5;
- ifp->if_timer = 1;
+ int s;
+
+ DPRINTFN(5, ("%s: %s\n",ic->ic_name, __func__));
+
+ s = splnet();
+ IF_ENQUEUE(&sc->sc_sendq, m);
+ splx(s);
+
+ if (!(sc->sc_flags & IWM_FLAG_TX_RUNNING))
+ iwm_start(sc);
return 0;
}
static int
-iwm_transmit(struct ieee80211com *ic, struct mbuf *m)
-{
- struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps);
- int s;
-
- size_t pktlen = m->m_pkthdr.len;
- bool mcast = (m->m_flags & M_MCAST) != 0;
-
- DPRINTFN(3, ("%s: %s\n",ic->ic_name, __func__));
-
- s = splnet();
-
- IF_ENQUEUE(&vap->iv_ifp->if_snd, m);
- if_statadd(vap->iv_ifp, if_obytes, pktlen);
- if (mcast)
- if_statinc(vap->iv_ifp, if_omcasts);
-
- if ((vap->iv_ifp->if_flags & IFF_OACTIVE) == 0)
- if_start_lock(vap->iv_ifp);
- splx(s);
-
- iwm_start(vap->iv_ifp);
-
- return 0;
-}
-
-static int
iwm_nic_tx_init(struct iwm_softc *sc)
{
int qid;
@@ -3791,6 +3742,8 @@
{
int err;
+ DPRINTFN(5, ("%s: %s\n", device_xname(sc->sc_dev), __func__));
+
if ((sc->sc_flags & IWM_FLAG_RFKILL) && !justnvm) {
aprint_error_dev(sc->sc_dev,
"radio is disabled by hardware switch\n");
@@ -3811,8 +3764,7 @@
return err;
}
- memcpy(&sc->sc_ic.ic_macaddr, &sc->sc_nvm.hw_addr,
- ETHER_ADDR_LEN);
+ IEEE80211_ADDR_COPY(sc->sc_ic.ic_macaddr, sc->sc_nvm.hw_addr);
return 0;
}
@@ -3960,10 +3912,9 @@
}
static void
-iwm_rx_rx_phy_cmd(struct ieee80211vap *vap, struct iwm_rx_packet *pkt,
+iwm_rx_rx_phy_cmd(struct iwm_softc *sc, struct iwm_rx_packet *pkt,
struct iwm_rx_data *data)
{
- struct iwm_softc *sc = vap->iv_ic->ic_softc;
struct iwm_rx_phy_info *phy_info = (void *)pkt->data;
DPRINTFN(20, ("received PHY stats\n"));
@@ -3995,11 +3946,10 @@
}
static void
-iwm_rx_rx_mpdu(struct ieee80211vap *vap, struct iwm_rx_packet *pkt,
+iwm_rx_rx_mpdu(struct iwm_softc *sc, struct iwm_rx_packet *pkt,
struct iwm_rx_data *data)
{
- struct ieee80211com *ic = vap->iv_ic;
- struct iwm_softc *sc = ic->ic_softc;
+ struct ieee80211com *ic = &sc->sc_ic;
struct ieee80211_frame *wh;
struct ieee80211_node *ni;
struct ieee80211_channel *c = NULL;
@@ -4052,17 +4002,11 @@
if (iwm_rx_addbuf(sc, IWM_RBUF_SIZE, sc->rxq.cur) != 0)
return;
- m_set_rcvif(m, vap->iv_ifp);
-
if (le32toh(phy_info->channel) < __arraycount(ic->ic_channels))
c = &ic->ic_channels[le32toh(phy_info->channel)];
s = splnet();
- ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *)wh);
- if (c)
- ni->ni_chan = c;
-
if (__predict_false(sc->sc_drvbpf != NULL)) {
struct iwm_rx_radiotap_header *tap = &sc->sc_rxtap;
@@ -4107,6 +4051,11 @@
bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_rxtap_len, m, BPF_D_IN);
}
+
+ ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *)wh);
+ if (c)
+ ni->ni_chan = c;
+
if (ni != NULL) {
if (ni->ni_vap == NULL) {
ieee80211_free_node(ni);
@@ -4121,18 +4070,16 @@
ieee80211_free_node(ni);
} else {
-
- /* No node found ... process differently. */
+ /* Managment frame */
(void) ieee80211_input_all(ic, m, rssi + 116, 0);
}
splx(s);
}
static void
-iwm_rx_tx_cmd_single(struct ieee80211vap *vap, struct iwm_rx_packet *pkt,
+iwm_rx_tx_cmd_single(struct iwm_softc *sc, struct iwm_rx_packet *pkt,
struct iwm_node *in)
{
- struct ifnet *ifp = vap->iv_ifp;
struct iwm_tx_resp *tx_resp = (void *)pkt->data;
int status = le16toh(tx_resp->status.status) & IWM_TX_STATUS_MSK;
int failack = tx_resp->failure_frame;
@@ -4147,17 +4094,15 @@
if (status != IWM_TX_STATUS_SUCCESS &&
status != IWM_TX_STATUS_DIRECT_DONE)
- if_statinc(ifp, if_oerrors);
+ if_statinc(in->in_ni.ni_vap->iv_ifp, if_oerrors);
else
- if_statinc(ifp, if_opackets);
+ if_statinc(in->in_ni.ni_vap->iv_ifp, if_opackets);
}
static void
-iwm_rx_tx_cmd(struct ieee80211vap *vap, struct iwm_rx_packet *pkt,
+iwm_rx_tx_cmd(struct iwm_softc *sc, struct iwm_rx_packet *pkt,
struct iwm_rx_data *data)
{
- struct ifnet *ifp = vap->iv_ifp;
- struct iwm_softc *sc = vap->iv_ic->ic_softc;
struct iwm_cmd_header *cmd_hdr = &pkt->hdr;
int idx = cmd_hdr->idx;
int qid = cmd_hdr->qid;
@@ -4180,7 +4125,7 @@
sc->sc_tx_timer = 0;
- iwm_rx_tx_cmd_single(vap, pkt, in);
+ iwm_rx_tx_cmd_single(sc, pkt, in);
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