Author: avos
Date: Thu May 12 22:17:00 2016
New Revision: 299575
URL: https://svnweb.freebsd.org/changeset/base/299575
Log:
net80211: drop some unused variables / local macros
Most of them left after some commits (r178354, r191544, r287197 etc.);
some were never used.
Found by: Clang Static Analyzer
Modified:
head/sys/net80211/ieee80211_adhoc.c
head/sys/net80211/ieee80211_hostap.c
head/sys/net80211/ieee80211_hwmp.c
head/sys/net80211/ieee80211_mesh.c
head/sys/net80211/ieee80211_node.c
head/sys/net80211/ieee80211_output.c
head/sys/net80211/ieee80211_phy.c
head/sys/net80211/ieee80211_scan_sw.c
head/sys/net80211/ieee80211_sta.c
head/sys/net80211/ieee80211_wds.c
Modified: head/sys/net80211/ieee80211_adhoc.c
==============================================================================
--- head/sys/net80211/ieee80211_adhoc.c Thu May 12 22:13:12 2016
(r299574)
+++ head/sys/net80211/ieee80211_adhoc.c Thu May 12 22:17:00 2016
(r299575)
@@ -674,7 +674,7 @@ adhoc_recv_mgmt(struct ieee80211_node *n
struct ieee80211com *ic = ni->ni_ic;
struct ieee80211_channel *rxchan = ic->ic_curchan;
struct ieee80211_frame *wh;
- uint8_t *frm, *efrm, *sfrm;
+ uint8_t *frm, *efrm;
uint8_t *ssid, *rates, *xrates;
#if 0
int ht_state_change = 0;
@@ -809,7 +809,6 @@ adhoc_recv_mgmt(struct ieee80211_node *n
* [tlv] extended supported rates
*/
ssid = rates = xrates = NULL;
- sfrm = frm;
while (efrm - frm > 1) {
IEEE80211_VERIFY_LENGTH(efrm - frm, frm[1] + 2, return);
switch (*frm) {
Modified: head/sys/net80211/ieee80211_hostap.c
==============================================================================
--- head/sys/net80211/ieee80211_hostap.c Thu May 12 22:13:12 2016
(r299574)
+++ head/sys/net80211/ieee80211_hostap.c Thu May 12 22:17:00 2016
(r299575)
@@ -412,16 +412,8 @@ hostap_deliver_data(struct ieee80211vap
ieee80211_free_node(sta);
}
}
- if (mcopy != NULL) {
- int len, err;
- len = mcopy->m_pkthdr.len;
- err = ieee80211_vap_xmitpkt(vap, mcopy);
- if (err) {
- /* NB: IFQ_HANDOFF reclaims mcopy */
- } else {
- if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1);
- }
- }
+ if (mcopy != NULL && ieee80211_vap_xmitpkt(vap, mcopy) == 0)
+ if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1);
}
if (m != NULL) {
/*
@@ -1798,7 +1790,6 @@ hostap_recv_mgmt(struct ieee80211_node *
* [tlv] extended supported rates
*/
ssid = rates = xrates = NULL;
- sfrm = frm;
while (efrm - frm > 1) {
IEEE80211_VERIFY_LENGTH(efrm - frm, frm[1] + 2, return);
switch (*frm) {
Modified: head/sys/net80211/ieee80211_hwmp.c
==============================================================================
--- head/sys/net80211/ieee80211_hwmp.c Thu May 12 22:13:12 2016
(r299574)
+++ head/sys/net80211/ieee80211_hwmp.c Thu May 12 22:17:00 2016
(r299575)
@@ -128,7 +128,6 @@ typedef uint32_t ieee80211_hwmp_seq;
#define HWMP_SEQ_LEQ(a, b) ((int32_t)((a)-(b)) <= 0)
#define HWMP_SEQ_EQ(a, b) ((int32_t)((a)-(b)) == 0)
#define HWMP_SEQ_GT(a, b) ((int32_t)((a)-(b)) > 0)
-#define HWMP_SEQ_GEQ(a, b) ((int32_t)((a)-(b)) >= 0)
#define HWMP_SEQ_MAX(a, b) (a > b ? a : b)
@@ -1526,7 +1525,6 @@ hwmp_peerdown(struct ieee80211_node *ni)
#define PERR_DADDR(n) perr->perr_dests[n].dest_addr
#define PERR_DSEQ(n) perr->perr_dests[n].dest_seq
#define PERR_DEXTADDR(n) perr->perr_dests[n].dest_ext_addr
-#define PERR_DRCODE(n) perr->perr_dests[n].dest_rcode
static void
hwmp_recv_perr(struct ieee80211vap *vap, struct ieee80211_node *ni,
const struct ieee80211_frame *wh, const struct ieee80211_meshperr_ie *perr)
@@ -1628,7 +1626,6 @@ done:
#undef PERR_DADDR
#undef PERR_DSEQ
#undef PERR_DEXTADDR
-#undef PERR_DRCODE
static int
hwmp_send_perr(struct ieee80211vap *vap,
@@ -1737,7 +1734,6 @@ hwmp_recv_rann(struct ieee80211vap *vap,
struct ieee80211_hwmp_route *hr;
struct ieee80211_meshpreq_ie preq;
struct ieee80211_meshrann_ie prann;
- uint32_t metric = 0;
if (IEEE80211_ADDR_EQ(rann->rann_addr, vap->iv_myaddr))
return;
@@ -1766,7 +1762,6 @@ hwmp_recv_rann(struct ieee80211vap *vap,
/* RANN ACCEPTED */
ieee80211_hwmp_rannint = rann->rann_interval; /* XXX: mtx lock? */
- metric = rann->rann_metric + ms->ms_pmetric->mpm_metric(ni);
if (rt == NULL) {
rt = ieee80211_mesh_rt_add(vap, rann->rann_addr);
Modified: head/sys/net80211/ieee80211_mesh.c
==============================================================================
--- head/sys/net80211/ieee80211_mesh.c Thu May 12 22:13:12 2016
(r299574)
+++ head/sys/net80211/ieee80211_mesh.c Thu May 12 22:17:00 2016
(r299575)
@@ -1526,7 +1526,6 @@ mesh_input(struct ieee80211_node *ni, st
{
#define HAS_SEQ(type) ((type & 0x4) == 0)
#define MC01(mc) ((const struct ieee80211_meshcntl_ae01 *)mc)
-#define MC10(mc) ((const struct ieee80211_meshcntl_ae10 *)mc)
struct ieee80211vap *vap = ni->ni_vap;
struct ieee80211com *ic = ni->ni_ic;
struct ifnet *ifp = vap->iv_ifp;
@@ -1826,7 +1825,6 @@ out:
return type;
#undef HAS_SEQ
#undef MC01
-#undef MC10
}
static void
@@ -1981,7 +1979,6 @@ mesh_recv_mgmt(struct ieee80211_node *ni
case IEEE80211_FC0_SUBTYPE_PROBE_REQ:
{
uint8_t *ssid, *meshid, *rates, *xrates;
- uint8_t *sfrm;
if (vap->iv_state != IEEE80211_S_RUN) {
IEEE80211_DISCARD(vap, IEEE80211_MSG_INPUT,
@@ -2005,7 +2002,6 @@ mesh_recv_mgmt(struct ieee80211_node *ni
* [tlv] mesh id
*/
ssid = meshid = rates = xrates = NULL;
- sfrm = frm;
while (efrm - frm > 1) {
IEEE80211_VERIFY_LENGTH(efrm - frm, frm[1] + 2, return);
switch (*frm) {
@@ -2116,10 +2112,10 @@ mesh_parse_meshpeering_action(struct iee
struct ieee80211vap *vap = ni->ni_vap;
const struct ieee80211_meshpeer_ie *mpie;
uint16_t args[3];
- const uint8_t *meshid, *meshconf, *meshpeer;
+ const uint8_t *meshid, *meshconf;
uint8_t sendclose = 0; /* 1 = MPM frame rejected, close will be sent */
- meshid = meshconf = meshpeer = NULL;
+ meshid = meshconf = NULL;
while (efrm - frm > 1) {
IEEE80211_VERIFY_LENGTH(efrm - frm, frm[1] + 2, return NULL);
switch (*frm) {
@@ -2130,7 +2126,6 @@ mesh_parse_meshpeering_action(struct iee
meshconf = frm;
break;
case IEEE80211_ELEMID_MESHPEER:
- meshpeer = frm;
mpie = (const struct ieee80211_meshpeer_ie *) frm;
memset(mp, 0, sizeof(*mp));
mp->peer_len = mpie->peer_len;
@@ -2660,7 +2655,6 @@ mesh_send_action(struct ieee80211_node *
struct ieee80211vap *vap = ni->ni_vap;
struct ieee80211com *ic = ni->ni_ic;
struct ieee80211_bpf_params params;
- struct ieee80211_frame *wh;
int ret;
KASSERT(ni != NULL, ("null node"));
@@ -2681,7 +2675,6 @@ mesh_send_action(struct ieee80211_node *
}
IEEE80211_TX_LOCK(ic);
- wh = mtod(m, struct ieee80211_frame *);
ieee80211_send_setup(ni, m,
IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_ACTION,
IEEE80211_NONQOS_TID, sa, da, sa);
Modified: head/sys/net80211/ieee80211_node.c
==============================================================================
--- head/sys/net80211/ieee80211_node.c Thu May 12 22:13:12 2016
(r299574)
+++ head/sys/net80211/ieee80211_node.c Thu May 12 22:17:00 2016
(r299575)
@@ -73,12 +73,6 @@ CTASSERT((IEEE80211_NODE_HASHSIZE & (IEE
#define IEEE80211_AID_ISSET(_vap, b) \
((_vap)->iv_aid_bitmap[IEEE80211_AID(b) / 32] & (1 << (IEEE80211_AID(b)
% 32)))
-#ifdef IEEE80211_DEBUG_REFCNT
-#define REFCNT_LOC "%s (%s:%u) %p<%s> refcnt %d\n", __func__, func, line
-#else
-#define REFCNT_LOC "%s %p<%s> refcnt %d\n", __func__
-#endif
-
static int ieee80211_sta_join1(struct ieee80211_node *);
static struct ieee80211_node *node_alloc(struct ieee80211vap *,
Modified: head/sys/net80211/ieee80211_output.c
==============================================================================
--- head/sys/net80211/ieee80211_output.c Thu May 12 22:13:12 2016
(r299574)
+++ head/sys/net80211/ieee80211_output.c Thu May 12 22:17:00 2016
(r299575)
@@ -121,7 +121,6 @@ ieee80211_vap_pkt_send_dest(struct ieee8
{
struct ieee80211com *ic = vap->iv_ic;
struct ifnet *ifp = vap->iv_ifp;
- int len, mcast;
if ((ni->ni_flags & IEEE80211_NODE_PWR_MGT) &&
(m->m_flags & M_PWR_SAV) == 0) {
@@ -161,8 +160,6 @@ ieee80211_vap_pkt_send_dest(struct ieee8
* interface it (might have been) received on.
*/
m->m_pkthdr.rcvif = (void *)ni;
- mcast = (m->m_flags & (M_MCAST | M_BCAST)) ? 1: 0;
- len = m->m_pkthdr.len;
BPF_MTAP(ifp, m); /* 802.3 tx */
@@ -2082,7 +2079,6 @@ ieee80211_send_probereq(struct ieee80211
struct ieee80211com *ic = ni->ni_ic;
const struct ieee80211_txparam *tp;
struct ieee80211_bpf_params params;
- struct ieee80211_frame *wh;
const struct ieee80211_rateset *rs;
struct mbuf *m;
uint8_t *frm;
@@ -2152,7 +2148,6 @@ ieee80211_send_probereq(struct ieee80211
}
IEEE80211_TX_LOCK(ic);
- wh = mtod(m, struct ieee80211_frame *);
ieee80211_send_setup(ni, m,
IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_REQ,
IEEE80211_NONQOS_TID, sa, da, bssid);
@@ -2749,7 +2744,6 @@ ieee80211_send_proberesp(struct ieee8021
{
struct ieee80211_node *bss = vap->iv_bss;
struct ieee80211com *ic = vap->iv_ic;
- struct ieee80211_frame *wh;
struct mbuf *m;
int ret;
@@ -2781,7 +2775,6 @@ ieee80211_send_proberesp(struct ieee8021
KASSERT(m != NULL, ("no room for header"));
IEEE80211_TX_LOCK(ic);
- wh = mtod(m, struct ieee80211_frame *);
ieee80211_send_setup(bss, m,
IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP,
IEEE80211_NONQOS_TID, vap->iv_myaddr, da, bss->ni_bssid);
Modified: head/sys/net80211/ieee80211_phy.c
==============================================================================
--- head/sys/net80211/ieee80211_phy.c Thu May 12 22:13:12 2016
(r299574)
+++ head/sys/net80211/ieee80211_phy.c Thu May 12 22:17:00 2016
(r299575)
@@ -590,10 +590,6 @@ static const uint16_t ht40_bps[32] = {
#define HT_STF 4
#define HT_LTF(n) ((n) * 4)
-#define HT_RC_2_MCS(_rc) ((_rc) & 0x1f)
-#define HT_RC_2_STREAMS(_rc) ((((_rc) & 0x78) >> 3) + 1)
-#define IS_HT_RATE(_rc) ( (_rc) & IEEE80211_RATE_MCS)
-
/*
* Calculate the transmit duration of an 11n frame.
*/
@@ -620,9 +616,6 @@ ieee80211_compute_duration_ht(uint32_t f
HT_L_SIG + HT_SIG + HT_STF + HT_LTF(streams);
}
-#undef IS_HT_RATE
-#undef HT_RC_2_STREAMS
-#undef HT_RC_2_MCS
#undef HT_LTF
#undef HT_STF
#undef HT_SIG
Modified: head/sys/net80211/ieee80211_scan_sw.c
==============================================================================
--- head/sys/net80211/ieee80211_scan_sw.c Thu May 12 22:13:12 2016
(r299574)
+++ head/sys/net80211/ieee80211_scan_sw.c Thu May 12 22:17:00 2016
(r299575)
@@ -80,23 +80,6 @@ struct scan_state {
*/
#define IEEE80211_SCAN_OFFCHANNEL msecs_to_ticks(150)
-/*
- * Roaming-related defaults. RSSI thresholds are as returned by the
- * driver (.5dBm). Transmit rate thresholds are IEEE rate codes (i.e
- * .5M units) or MCS.
- */
-/* rssi thresholds */
-#define ROAM_RSSI_11A_DEFAULT 14 /* 11a bss */
-#define ROAM_RSSI_11B_DEFAULT 14 /* 11b bss */
-#define ROAM_RSSI_11BONLY_DEFAULT 14 /* 11b-only bss */
-/* transmit rate thresholds */
-#define ROAM_RATE_11A_DEFAULT 2*12 /* 11a bss */
-#define ROAM_RATE_11B_DEFAULT 2*5 /* 11b bss */
-#define ROAM_RATE_11BONLY_DEFAULT 2*1 /* 11b-only bss */
-#define ROAM_RATE_HALF_DEFAULT 2*6 /* half-width 11a/g bss
*/
-#define ROAM_RATE_QUARTER_DEFAULT 2*3 /* quarter-width 11a/g
bss */
-#define ROAM_MCS_11N_DEFAULT (1 | IEEE80211_RATE_MCS) /* 11n
bss */
-
static void scan_curchan(struct ieee80211_scan_state *, unsigned long);
static void scan_mindwell(struct ieee80211_scan_state *);
static void scan_signal(struct ieee80211_scan_state *, int);
Modified: head/sys/net80211/ieee80211_sta.c
==============================================================================
--- head/sys/net80211/ieee80211_sta.c Thu May 12 22:13:12 2016
(r299574)
+++ head/sys/net80211/ieee80211_sta.c Thu May 12 22:17:00 2016
(r299575)
@@ -976,7 +976,6 @@ sta_auth_shared(struct ieee80211_node *n
{
struct ieee80211vap *vap = ni->ni_vap;
uint8_t *challenge;
- int estatus;
/*
* NB: this can happen as we allow pre-shared key
@@ -990,7 +989,6 @@ sta_auth_shared(struct ieee80211_node *n
IEEE80211_DISCARD_MAC(vap, IEEE80211_MSG_AUTH,
ni->ni_macaddr, "shared key auth",
"%s", " PRIVACY is disabled");
- estatus = IEEE80211_STATUS_ALG;
goto bad;
}
/*
@@ -1004,7 +1002,6 @@ sta_auth_shared(struct ieee80211_node *n
ni->ni_macaddr, "shared key auth",
"bad sta auth mode %u", ni->ni_authmode);
vap->iv_stats.is_rx_bad_auth++; /* XXX maybe a unique error? */
- estatus = IEEE80211_STATUS_ALG;
goto bad;
}
@@ -1016,7 +1013,6 @@ sta_auth_shared(struct ieee80211_node *n
"ie %d/%d too long",
frm[0], (frm[1] + 2) - (efrm - frm));
vap->iv_stats.is_rx_bad_auth++;
- estatus = IEEE80211_STATUS_CHALLENGE;
goto bad;
}
if (*frm == IEEE80211_ELEMID_CHALLENGE)
@@ -1031,7 +1027,6 @@ sta_auth_shared(struct ieee80211_node *n
ni->ni_macaddr, "shared key auth",
"%s", "no challenge");
vap->iv_stats.is_rx_bad_auth++;
- estatus = IEEE80211_STATUS_CHALLENGE;
goto bad;
}
if (challenge[1] != IEEE80211_CHALLENGE_LEN) {
@@ -1039,7 +1034,6 @@ sta_auth_shared(struct ieee80211_node *n
ni->ni_macaddr, "shared key auth",
"bad challenge len %d", challenge[1]);
vap->iv_stats.is_rx_bad_auth++;
- estatus = IEEE80211_STATUS_CHALLENGE;
goto bad;
}
default:
@@ -1281,7 +1275,6 @@ sta_recv_mgmt(struct ieee80211_node *ni,
const struct ieee80211_rx_stats *rxs,
int rssi, int nf)
{
-#define ISPROBE(_st) ((_st) == IEEE80211_FC0_SUBTYPE_PROBE_RESP)
#define ISREASSOC(_st) ((_st) == IEEE80211_FC0_SUBTYPE_REASSOC_RESP)
struct ieee80211vap *vap = ni->ni_vap;
struct ieee80211com *ic = ni->ni_ic;
@@ -1861,7 +1854,6 @@ sta_recv_mgmt(struct ieee80211_node *ni,
break;
}
#undef ISREASSOC
-#undef ISPROBE
}
static void
Modified: head/sys/net80211/ieee80211_wds.c
==============================================================================
--- head/sys/net80211/ieee80211_wds.c Thu May 12 22:13:12 2016
(r299574)
+++ head/sys/net80211/ieee80211_wds.c Thu May 12 22:17:00 2016
(r299575)
@@ -344,7 +344,6 @@ static int
wds_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg)
{
struct ieee80211com *ic = vap->iv_ic;
- struct ieee80211_node *ni;
enum ieee80211_state ostate;
int error;
@@ -357,7 +356,6 @@ wds_newstate(struct ieee80211vap *vap, e
callout_stop(&vap->iv_mgtsend); /* XXX callout_drain */
if (ostate != IEEE80211_S_SCAN)
ieee80211_cancel_scan(vap); /* background scan */
- ni = vap->iv_bss; /* NB: no reference held */
error = 0;
switch (nstate) {
case IEEE80211_S_INIT:
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