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[src-draft/trunk]: src/sys/dev/pci Initial attempt at converting iwm to phill...
details: https://anonhg.NetBSD.org/src-all/rev/04a9ecccf252
branches: trunk
changeset: 948991:04a9ecccf252
user: Nathanial Sloss <nat%netbsd.org@localhost>
date: Fri Aug 14 02:27:56 2020 +1000
description:
Initial attempt at converting iwm to phill wifi.
Note this is incompete and does not compiles as yet.
Based on conversion of iwn.
diffstat:
sys/dev/pci/if_iwm.c | 639 +++++++++++++++++++++++++++++++++++++++++---------
1 files changed, 523 insertions(+), 116 deletions(-)
diffs (truncated from 840 to 300 lines):
diff -r efbaa576dca2 -r 04a9ecccf252 sys/dev/pci/if_iwm.c
--- a/sys/dev/pci/if_iwm.c Fri Aug 14 02:26:26 2020 +1000
+++ b/sys/dev/pci/if_iwm.c Fri Aug 14 02:27:56 2020 +1000
@@ -312,6 +312,21 @@
uint16_t *, size_t);
static void iwm_init_channel_map(struct iwm_softc *, const uint16_t * const,
const uint8_t *, size_t);
+static void iwm_init_channels(struct ieee80211com *);
+static struct ieee80211vap *
+ iwm_vap_create(struct ieee80211com *,
+ const char [IFNAMSIZ], int, enum ieee80211_opmode, int,
+ const uint8_t [IEEE80211_ADDR_LEN],
+ const uint8_t [IEEE80211_ADDR_LEN]);
+static void iwm_vap_delete(struct ieee80211vap *);
+static void iwm_parent(struct ieee80211com *);
+static void iwm_scan_start(struct ieee80211com *);
+static void iwm_scan_end(struct ieee80211com *);
+static void iwm_set_channel(struct ieee80211com *);
+static void iwm_scan_curchan(struct ieee80211_scan_state *, unsigned long);
+static int iwm_transmit(struct ieee80211com *, struct mbuf *);
+static int iwm_raw_xmit(struct ieee80211_node *, struct mbuf *,
+ const struct ieee80211_bpf_params *);
#ifndef IEEE80211_NO_HT
static void iwm_setup_ht_rates(struct iwm_softc *);
static void iwm_htprot_task(void *);
@@ -398,7 +413,7 @@
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 iwm_softc *, struct mbuf *,
+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 *);
@@ -482,6 +497,7 @@
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(device_t);
#if 0
static void iwm_init_task(void *);
static int iwm_activate(device_t, enum devact);
@@ -552,7 +568,7 @@
/*
* just maintaining status quo.
*/
-static void
+static void __unused
iwm_fix_channel(struct iwm_softc *sc, struct mbuf *m)
{
struct ieee80211com *ic = &sc->sc_ic;
@@ -1903,6 +1919,79 @@
}
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;
+ struct iwm_softc *sc = ic->ic_softc;
+ struct ifnet *ifp = vap->iv_ifp;
+ struct ether_header *eh;
+ int ac;
+
+ DPRINTFN(DBG_FN, ("%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;
+
+ 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(DBG_FN, ("%s: %s\n",device_xname(sc->sc_dev), __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;
@@ -2752,9 +2841,11 @@
static void
iwm_htprot_task(void *arg)
{
- struct iwm_softc *sc = arg;
- struct ieee80211com *ic = &sc->sc_ic;
- struct iwm_node *in = (struct iwm_node *)ic->ic_bss;
+ struct ieee80211vap *vap = arg
+ struct ieee80211_node *in = vap->iv_bss;
+ struct ieee80211com *ic = vap->iv_ic;
+ struct iwm_softc *sc = ic->ic_softc;
+
int err;
/* This call updates HT protection based on in->in_ni.ni_htop1. */
@@ -3711,7 +3802,7 @@
return err;
}
- memcpy(&sc->sc_ic.ic_myaddr, &sc->sc_nvm.hw_addr,
+ memcpy(&sc->sc_ic.ic_macaddr, &sc->sc_nvm.hw_addr,
ETHER_ADDR_LEN);
return 0;
}
@@ -3903,7 +3994,6 @@
struct mbuf *m;
struct iwm_rx_phy_info *phy_info;
struct iwm_rx_mpdu_res_start *rx_res;
- int device_timestamp;
uint32_t len;
uint32_t rx_pkt_status;
int rssi;
@@ -3935,8 +4025,6 @@
return; /* drop */
}
- device_timestamp = le32toh(phy_info->system_timestamp);
-
if (sc->sc_capaflags & IWM_UCODE_TLV_FLAGS_RX_ENERGY_API) {
rssi = iwm_get_signal_strength(sc, phy_info);
} else {
@@ -3944,8 +4032,10 @@
}
rssi = -rssi;
- if (ic->ic_state == IEEE80211_S_SCAN)
+#if 0
+ if (vap->iv_state == IEEE80211_S_SCAN)
iwm_fix_channel(sc, m);
+#endif
if (iwm_rx_addbuf(sc, IWM_RBUF_SIZE, sc->rxq.cur) != 0)
return;
@@ -4005,9 +4095,24 @@
bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_rxtap_len, m, BPF_D_IN);
}
- ieee80211_input(ic, m, ni, rssi, device_timestamp);
- ieee80211_free_node(ni);
-
+ if (ni != NULL) {
+ if (ni->ni_vap == NULL) {
+ ieee80211_free_node(ni);
+ splx(s);
+ return;
+ }
+ /* push the frame up to the 802.11 stack */
+ /* NNN Convert rssi to -10 to 110 ? for 802.11 layer */
+ ieee80211_input(ni, m, rssi + 116, 0);
+
+ /* Node is no longer needed. */
+ ieee80211_free_node(ni);
+
+ } else {
+
+ /* No node found ... process differently. */
+ (void) ieee80211_input_all(ic, m, rssi + 116, 0);
+ }
splx(s);
}
@@ -4580,9 +4685,10 @@
#define TB0_SIZE 16
static int
-iwm_tx(struct iwm_softc *sc, struct mbuf *m, struct ieee80211_node *ni, int ac)
-{
- struct ieee80211com *ic = &sc->sc_ic;
+iwm_tx(struct ieee80211vap *vap, struct mbuf *m, struct ieee80211_node *ni, int ac)
+{
+ struct ieee80211com *ic = vap->iv_ic;
+ struct iwm_softc *sc = ic->ic_softc;
struct iwm_node *in = (struct iwm_node *)ni;
struct iwm_tx_ring *ring;
struct iwm_tx_data *data;
@@ -4637,15 +4743,15 @@
#endif
tap->wt_rate = rinfo->rate;
tap->wt_hwqueue = ac;
- if (wh->i_fc[1] & IEEE80211_FC1_WEP)
+ if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED)
tap->wt_flags |= IEEE80211_RADIOTAP_F_WEP;
bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_txtap_len, m, BPF_D_OUT);
}
/* Encrypt the frame if need be. */
- if (wh->i_fc[1] & IEEE80211_FC1_WEP) {
- k = ieee80211_crypto_encap(ic, ni, m);
+ if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) {
+ k = ieee80211_crypto_encap(ni, m);
if (k == NULL) {
m_freem(m);
return ENOBUFS;
@@ -5260,7 +5366,7 @@
IEEE80211_FC0_SUBTYPE_PROBE_REQ;
wh->i_fc[1] = IEEE80211_FC1_DIR_NODS;
IEEE80211_ADDR_COPY(wh->i_addr1, etherbroadcastaddr);
- IEEE80211_ADDR_COPY(wh->i_addr2, ic->ic_myaddr);
+ IEEE80211_ADDR_COPY(wh->i_addr2, ic->ic_macaddr);
IEEE80211_ADDR_COPY(wh->i_addr3, etherbroadcastaddr);
*(uint16_t *)&wh->i_dur[0] = 0; /* filled by HW */
*(uint16_t *)&wh->i_seq[0] = 0; /* filled by HW */
@@ -5471,7 +5577,7 @@
scan_config->out_of_channel_time = htole32(0);
scan_config->suspend_time = htole32(0);
- IEEE80211_ADDR_COPY(scan_config->mac_addr, sc->sc_ic.ic_myaddr);
+ IEEE80211_ADDR_COPY(scan_config->mac_addr, sc->sc_ic.ic_macaddr);
scan_config->bcast_sta_id = IWM_AUX_STA_ID;
scan_config->channel_flags = IWM_CHANNEL_FLAG_EBS |
@@ -5706,7 +5812,7 @@
cmd->mac_type = htole32(IWM_FW_MAC_TYPE_BSS_STA);
cmd->tsf_id = htole32(IWM_TSF_ID_A);
- IEEE80211_ADDR_COPY(cmd->node_addr, ic->ic_myaddr);
+ IEEE80211_ADDR_COPY(cmd->node_addr, ic->ic_macaddr);
IEEE80211_ADDR_COPY(cmd->bssid_addr, ni->ni_bssid);
iwm_ack_rates(sc, in, &cck_ack_rates, &ofdm_ack_rates);
@@ -6759,6 +6865,27 @@
return err;
}
+static void
+iwm_init_channels(struct ieee80211com *ic)
+{
+ uint8_t bands[IEEE80211_MODE_BYTES];
+
+ /*
+ * NNN Should be able to do something based on chip if
+ * a chip has more bands .... eg. N ... but for the future.
+ */
+
+ memset(bands, 0, sizeof(bands));
+ setbit(bands, IEEE80211_MODE_11A);
+ setbit(bands, IEEE80211_MODE_11B);
+ setbit(bands, IEEE80211_MODE_11G);
+#ifndef IEEE80211_NO_HT
+ setbit(bands, IEEE80211_MODE_11NG);
+ setbit(bands, IEEE80211_MODE_11NA);
+#endif
+ ieee80211_init_channels(ic, NULL, bands);
+}
+
static int
iwm_init(struct ifnet *ifp)
{
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