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Differential D14731 Diff 40430 sys/net80211/ieee80211_scan.c

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sys/net80211/ieee80211_scan.c

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/* XXX until it's implemented as attach ops */ /* XXX until it's implemented as attach ops */
#include <net80211/ieee80211_scan_sw.h> #include <net80211/ieee80211_scan_sw.h>
#include <net/bpf.h> #include <net/bpf.h>
/* /*
* Roaming-related defaults. RSSI thresholds are as returned by the * Roaming-related defaults. RSSI thresholds are as returned by the
* driver (.5dBm). Transmit rate thresholds are IEEE rate codes (i.e * driver (.5dBm). Transmit rate thresholds are coded into global
* .5M units) or MCS. * ieee80211_rate_t structure indices.
*/ */
/* rssi thresholds */ /* rssi thresholds */
#define ROAM_RSSI_11A_DEFAULT 14 /* 11a bss */ #define ROAM_RSSI_11A_DEFAULT 14 /* 11a bss */
#define ROAM_RSSI_11B_DEFAULT 14 /* 11b bss */ #define ROAM_RSSI_11B_DEFAULT 14 /* 11b bss */
#define ROAM_RSSI_11BONLY_DEFAULT 14 /* 11b-only bss */ #define ROAM_RSSI_11BONLY_DEFAULT 14 /* 11b-only bss */
/* transmit rate thresholds */ /* transmit rate thresholds */
#define ROAM_RATE_11A_DEFAULT 2*12 /* 11a bss */ #define ROAM_RATE_11A_DEFAULT \
#define ROAM_RATE_11B_DEFAULT 2*5 /* 11b bss */ IEEE80211_RATE_INDEX_OFDM12 /* 11a bss */
#define ROAM_RATE_11BONLY_DEFAULT 2*1 /* 11b-only bss */ #define ROAM_RATE_11B_DEFAULT \
#define ROAM_RATE_HALF_DEFAULT 2*6 /* half-width 11a/g bss */ IEEE80211_RATE_INDEX_CCK5 /* 11b bss */
#define ROAM_RATE_QUARTER_DEFAULT 2*3 /* quarter-width 11a/g bss */ #define ROAM_RATE_11BONLY_DEFAULT \
#define ROAM_MCS_11N_DEFAULT (1 | IEEE80211_RATE_MCS) /* 11n bss */ IEEE80211_RATE_INDEX_CCK1 /* 11b-only bss */
#define ROAM_MCS_11AC_DEFAULT (1 | IEEE80211_RATE_MCS) /* 11ac bss; XXX not used yet */ #define ROAM_RATE_HALF_DEFAULT \
IEEE80211_RATE_INDEX_HALF6 /* half-width 11a/g bss */
#define ROAM_RATE_QUARTER_DEFAULT \
IEEE80211_RATE_INDEX_QUART3 /* quarter-width 11a/g bss */
#define ROAM_MCS_11N_DEFAULT \
IEEE80211_RATE_INDEX_HT(1) /* 11n bss */
#define ROAM_MCS_11AC_DEFAULT \
IEEE80211_RATE_INDEX_VHT(1, 1) /* 11ac bss; XXX not used yet */
void void
ieee80211_scan_attach(struct ieee80211com *ic) ieee80211_scan_attach(struct ieee80211com *ic)
{ {
/* /*
* If there's no scan method pointer, attach the * If there's no scan method pointer, attach the
* swscan set as a default. * swscan set as a default.
*/ */
if (ic->ic_scan_methods == NULL) if (ic->ic_scan_methods == NULL)
Show All 10 Linesieee80211_scan_detach(struct ieee80211com *ic)
* Ideally we'd do the ss_ops detach call here; * Ideally we'd do the ss_ops detach call here;
* but then sc_detach() would need to be split in two. * but then sc_detach() would need to be split in two.
* *
* I'll do that later. * I'll do that later.
*/ */
ic->ic_scan_methods->sc_detach(ic); ic->ic_scan_methods->sc_detach(ic);
} }
static const struct ieee80211_roamparam defroam[IEEE80211_MODE_MAX] = { static const struct ieee80211_roamparam_vht defroam[IEEE80211_MODE_MAX] = {
[IEEE80211_MODE_11A] = { .rssi = ROAM_RSSI_11A_DEFAULT, [IEEE80211_MODE_11A] = { .rssi = ROAM_RSSI_11A_DEFAULT,
.rate = ROAM_RATE_11A_DEFAULT }, .rate = ROAM_RATE_11A_DEFAULT },
[IEEE80211_MODE_11G] = { .rssi = ROAM_RSSI_11B_DEFAULT, [IEEE80211_MODE_11G] = { .rssi = ROAM_RSSI_11B_DEFAULT,
.rate = ROAM_RATE_11B_DEFAULT }, .rate = ROAM_RATE_11B_DEFAULT },
[IEEE80211_MODE_11B] = { .rssi = ROAM_RSSI_11BONLY_DEFAULT, [IEEE80211_MODE_11B] = { .rssi = ROAM_RSSI_11BONLY_DEFAULT,
.rate = ROAM_RATE_11BONLY_DEFAULT }, .rate = ROAM_RATE_11BONLY_DEFAULT },
[IEEE80211_MODE_TURBO_A]= { .rssi = ROAM_RSSI_11A_DEFAULT, [IEEE80211_MODE_TURBO_A]= { .rssi = ROAM_RSSI_11A_DEFAULT,
.rate = ROAM_RATE_11A_DEFAULT }, .rate = ROAM_RATE_11A_DEFAULT },
Show All 15 Lines [IEEE80211_MODE_VHT_5GHZ] = { .rssi = ROAM_RSSI_11A_DEFAULT,
.rate = ROAM_MCS_11AC_DEFAULT }, .rate = ROAM_MCS_11AC_DEFAULT },
}; };
void void
ieee80211_scan_vattach(struct ieee80211vap *vap) ieee80211_scan_vattach(struct ieee80211vap *vap)
{ {
struct ieee80211com *ic = vap->iv_ic; struct ieee80211com *ic = vap->iv_ic;
int m;
vap->iv_bgscanidle = (IEEE80211_BGSCAN_IDLE_DEFAULT*1000)/hz; vap->iv_bgscanidle = (IEEE80211_BGSCAN_IDLE_DEFAULT*1000)/hz;
vap->iv_bgscanintvl = IEEE80211_BGSCAN_INTVAL_DEFAULT*hz; vap->iv_bgscanintvl = IEEE80211_BGSCAN_INTVAL_DEFAULT*hz;
vap->iv_scanvalid = IEEE80211_SCAN_VALID_DEFAULT*hz; vap->iv_scanvalid = IEEE80211_SCAN_VALID_DEFAULT*hz;
vap->iv_roaming = IEEE80211_ROAMING_AUTO; vap->iv_roaming = IEEE80211_ROAMING_AUTO;
memcpy(vap->iv_roamparms, defroam, sizeof(defroam)); for (m = IEEE80211_MODE_AUTO + 1; m < IEEE80211_MODE_MAX; m++) {
if (isclr(ic->ic_modecaps, m)) {
vap->iv_roamparms[m].rate = IEEE80211_RATE_NONEXISTENT;
continue;
}
memcpy(&vap->iv_roamparms[m], &defroam[m], sizeof(defroam[m]));
}
ic->ic_scan_methods->sc_vattach(vap); ic->ic_scan_methods->sc_vattach(vap);
} }
void void
ieee80211_scan_vdetach(struct ieee80211vap *vap) ieee80211_scan_vdetach(struct ieee80211vap *vap)
{ {
struct ieee80211com *ic = vap->iv_ic; struct ieee80211com *ic = vap->iv_ic;
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