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Date:      Mon, 25 May 2015 15:09:17 +0000 (UTC)
From:      Gleb Smirnoff <glebius@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r283532 - head/sys/dev/iwn
Message-ID:  <201505251509.t4PF9HYl079719@svn.freebsd.org>
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Author: glebius
Date: Mon May 25 15:09:17 2015
New Revision: 283532
URL: https://svnweb.freebsd.org/changeset/base/283532

Log:
  Store softc in ic_softc and access it without using struct ifnet.
  
  Sponsored by:	Netflix
  Sponsored by:	Nginx, Inc.

Modified:
  head/sys/dev/iwn/if_iwn.c

Modified: head/sys/dev/iwn/if_iwn.c
==============================================================================
--- head/sys/dev/iwn/if_iwn.c	Mon May 25 15:08:38 2015	(r283531)
+++ head/sys/dev/iwn/if_iwn.c	Mon May 25 15:09:17 2015	(r283532)
@@ -556,6 +556,7 @@ iwn_attach(device_t dev)
 
 	ic = ifp->if_l2com;
 	ic->ic_ifp = ifp;
+	ic->ic_softc = sc;
 	ic->ic_name = device_get_nameunit(dev);
 	ic->ic_phytype = IEEE80211_T_OFDM;	/* not only, but not used */
 	ic->ic_opmode = IEEE80211_M_STA;	/* default to BSS mode */
@@ -1316,10 +1317,10 @@ iwn_vap_create(struct ieee80211com *ic, 
     const uint8_t bssid[IEEE80211_ADDR_LEN],
     const uint8_t mac[IEEE80211_ADDR_LEN])
 {
+	struct iwn_softc *sc = ic->ic_softc;
 	struct iwn_vap *ivp;
 	struct ieee80211vap *vap;
 	uint8_t mac1[IEEE80211_ADDR_LEN];
-	struct iwn_softc *sc = ic->ic_ifp->if_softc;
 
 	if (!TAILQ_EMPTY(&ic->ic_vaps))		/* only one at a time */
 		return NULL;
@@ -2526,7 +2527,7 @@ static int
 iwn_setregdomain(struct ieee80211com *ic, struct ieee80211_regdomain *rd,
     int nchan, struct ieee80211_channel chans[])
 {
-	struct iwn_softc *sc = ic->ic_ifp->if_softc;
+	struct iwn_softc *sc = ic->ic_softc;
 	int i;
 
 	for (i = 0; i < nchan; i++) {
@@ -2798,7 +2799,7 @@ iwn_newstate(struct ieee80211vap *vap, e
 {
 	struct iwn_vap *ivp = IWN_VAP(vap);
 	struct ieee80211com *ic = vap->iv_ic;
-	struct iwn_softc *sc = ic->ic_ifp->if_softc;
+	struct iwn_softc *sc = ic->ic_softc;
 	int error = 0;
 
 	DPRINTF(sc, IWN_DEBUG_TRACE, "->%s begin\n", __func__);
@@ -5248,7 +5249,7 @@ static int
 iwn_updateedca(struct ieee80211com *ic)
 {
 #define IWN_EXP2(x)	((1 << (x)) - 1)	/* CWmin = 2^ECWmin - 1 */
-	struct iwn_softc *sc = ic->ic_ifp->if_softc;
+	struct iwn_softc *sc = ic->ic_softc;
 	struct iwn_edca_params cmd;
 	int aci;
 
@@ -7082,7 +7083,7 @@ iwn_ampdu_rx_start(struct ieee80211_node
     int baparamset, int batimeout, int baseqctl)
 {
 #define MS(_v, _f)	(((_v) & _f) >> _f##_S)
-	struct iwn_softc *sc = ni->ni_ic->ic_ifp->if_softc;
+	struct iwn_softc *sc = ni->ni_ic->ic_softc;
 	struct iwn_ops *ops = &sc->ops;
 	struct iwn_node *wn = (void *)ni;
 	struct iwn_node_info node;
@@ -7118,7 +7119,7 @@ static void
 iwn_ampdu_rx_stop(struct ieee80211_node *ni, struct ieee80211_rx_ampdu *rap)
 {
 	struct ieee80211com *ic = ni->ni_ic;
-	struct iwn_softc *sc = ic->ic_ifp->if_softc;
+	struct iwn_softc *sc = ic->ic_softc;
 	struct iwn_ops *ops = &sc->ops;
 	struct iwn_node *wn = (void *)ni;
 	struct iwn_node_info node;
@@ -7146,7 +7147,7 @@ static int
 iwn_addba_request(struct ieee80211_node *ni, struct ieee80211_tx_ampdu *tap,
     int dialogtoken, int baparamset, int batimeout)
 {
-	struct iwn_softc *sc = ni->ni_ic->ic_ifp->if_softc;
+	struct iwn_softc *sc = ni->ni_ic->ic_softc;
 	int qid;
 
 	DPRINTF(sc, IWN_DEBUG_TRACE, "->Doing %s\n", __func__);
@@ -7176,7 +7177,7 @@ static int
 iwn_addba_response(struct ieee80211_node *ni, struct ieee80211_tx_ampdu *tap,
     int code, int baparamset, int batimeout)
 {
-	struct iwn_softc *sc = ni->ni_ic->ic_ifp->if_softc;
+	struct iwn_softc *sc = ni->ni_ic->ic_softc;
 	int qid = *(int *)tap->txa_private;
 	uint8_t tid = tap->txa_tid;
 	int ret;
@@ -7205,7 +7206,7 @@ iwn_ampdu_tx_start(struct ieee80211com *
     uint8_t tid)
 {
 	struct ieee80211_tx_ampdu *tap = &ni->ni_tx_ampdu[tid];
-	struct iwn_softc *sc = ni->ni_ic->ic_ifp->if_softc;
+	struct iwn_softc *sc = ni->ni_ic->ic_softc;
 	struct iwn_ops *ops = &sc->ops;
 	struct iwn_node *wn = (void *)ni;
 	struct iwn_node_info node;
@@ -7239,7 +7240,7 @@ iwn_ampdu_tx_start(struct ieee80211com *
 static void
 iwn_ampdu_tx_stop(struct ieee80211_node *ni, struct ieee80211_tx_ampdu *tap)
 {
-	struct iwn_softc *sc = ni->ni_ic->ic_ifp->if_softc;
+	struct iwn_softc *sc = ni->ni_ic->ic_softc;
 	struct iwn_ops *ops = &sc->ops;
 	uint8_t tid = tap->txa_tid;
 	int qid;
@@ -8774,8 +8775,8 @@ static void
 iwn_scan_curchan(struct ieee80211_scan_state *ss, unsigned long maxdwell)
 {
 	struct ieee80211vap *vap = ss->ss_vap;
-	struct iwn_softc *sc = vap->iv_ic->ic_ifp->if_softc;
 	struct ieee80211com *ic = vap->iv_ic;
+	struct iwn_softc *sc = ic->ic_softc;
 	int error;
 
 	IWN_LOCK(sc);

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