Commit 87bff6a3 authored by Arend van Spriel's avatar Arend van Spriel Committed by Greg Kroah-Hartman
Browse files

staging: brcm80211: cleanup unnecessary functions from wlc_ampdu.c



Couple of functions are not used or empty and have been removed.

Cc: devel@linuxdriverproject.org
Reviewed-by: default avatarHenry Ptasinski <henryp@broadcom.com>
Reviewed-by: default avatarRoland Vossen <rvossen@broadcom.com>
Reviewed-by: default avatarBrett Rudley <brudley@broadcom.com>
Signed-off-by: default avatarArend van Spriel <arend@broadcom.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent b33f0e28
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+8 −77
Original line number Diff line number Diff line
@@ -120,6 +120,12 @@ struct ampdu_info {

};

/* used for plushing ampdu packets */
struct cb_del_ampdu_pars {
	struct ieee80211_sta *sta;
	u16 tid;
};

#define AMPDU_CLEANUPFLAG_RX   (0x1)
#define AMPDU_CLEANUPFLAG_TX   (0x2)

@@ -133,9 +139,6 @@ static void wlc_ffpld_calc_mcs2ampdu_table(struct ampdu_info *ampdu, int f);
static scb_ampdu_tid_ini_t *wlc_ampdu_init_tid_ini(struct ampdu_info *ampdu,
						   scb_ampdu_t *scb_ampdu,
						   u8 tid, bool override);
static void ampdu_cleanup_tid_ini(struct ampdu_info *ampdu,
				  scb_ampdu_t *scb_ampdu,
				  u8 tid, bool force);
static void ampdu_update_max_txlen(struct ampdu_info *ampdu, u8 dur);
static void scb_ampdu_update_config(struct ampdu_info *ampdu, struct scb *scb);
static void scb_ampdu_update_config_all(struct ampdu_info *ampdu);
@@ -220,24 +223,6 @@ void wlc_ampdu_detach(struct ampdu_info *ampdu)
	kfree(ampdu);
}

void scb_ampdu_cleanup(struct ampdu_info *ampdu, struct scb *scb)
{
	scb_ampdu_t *scb_ampdu = SCB_AMPDU_CUBBY(ampdu, scb);
	u8 tid;

	BCMMSG(ampdu->wlc->wiphy, "enter\n");
	for (tid = 0; tid < AMPDU_MAX_SCB_TID; tid++) {
		ampdu_cleanup_tid_ini(ampdu, scb_ampdu, tid, false);
	}
}

/* reset the ampdu state machine so that it can gracefully handle packets that were
 * freed from the dma and tx queues during reinit
 */
void wlc_ampdu_reset(struct ampdu_info *ampdu)
{
}

static void scb_ampdu_update_config(struct ampdu_info *ampdu, struct scb *scb)
{
	scb_ampdu_t *scb_ampdu = SCB_AMPDU_CUBBY(ampdu, scb);
@@ -266,7 +251,7 @@ static void scb_ampdu_update_config(struct ampdu_info *ampdu, struct scb *scb)
				 mcs2ampdu_table[FFPLD_MAX_MCS]);
}

void scb_ampdu_update_config_all(struct ampdu_info *ampdu)
static void scb_ampdu_update_config_all(struct ampdu_info *ampdu)
{
	scb_ampdu_update_config(ampdu, ampdu->wlc->pub->global_scb);
}
@@ -911,7 +896,7 @@ wlc_ampdu_dotxstatus(struct ampdu_info *ampdu, struct scb *scb,
	wlc_ampdu_txflowcontrol(wlc, scb_ampdu, ini);
}

void
static void
rate_status(struct wlc_info *wlc, struct ieee80211_tx_info *tx_info,
	    tx_status_t *txs, u8 mcs)
{
@@ -1131,26 +1116,6 @@ wlc_ampdu_dotxstatus_complete(struct ampdu_info *ampdu, struct scb *scb,
	wlc_txfifo_complete(wlc, queue, ampdu->txpkt_weight);
}

static void
ampdu_cleanup_tid_ini(struct ampdu_info *ampdu, scb_ampdu_t *scb_ampdu, u8 tid,
		      bool force)
{
	scb_ampdu_tid_ini_t *ini;
	ini = SCB_AMPDU_INI(scb_ampdu, tid);
	if (!ini)
		return;

	BCMMSG(ampdu->wlc->wiphy, "wl%d: tid %d\n", ampdu->wlc->pub->unit, tid);

	if (ini->tx_in_transit && !force)
		return;

	scb_ampdu = SCB_AMPDU_CUBBY(ampdu, ini->scb);

	/* free all buffered tx packets */
	bcm_pktq_pflush(&scb_ampdu->txq, ini->tid, true, NULL, 0);
}

/* initialize the initiator code for tid */
static scb_ampdu_tid_ini_t *wlc_ampdu_init_tid_ini(struct ampdu_info *ampdu,
						   scb_ampdu_t *scb_ampdu,
@@ -1226,35 +1191,6 @@ static void ampdu_update_max_txlen(struct ampdu_info *ampdu, u8 dur)
	}
}

u8 BCMFASTPATH
wlc_ampdu_null_delim_cnt(struct ampdu_info *ampdu, struct scb *scb,
			 ratespec_t rspec, int phylen)
{
	scb_ampdu_t *scb_ampdu;
	int bytes, cnt, tmp;
	u8 tx_density;

	scb_ampdu = SCB_AMPDU_CUBBY(ampdu, scb);
	if (scb_ampdu->mpdu_density == 0)
		return 0;

	/* RSPEC2RATE is in kbps units ==> ~RSPEC2RATE/2^13 is in bytes/usec
	   density x is in 2^(x-4) usec
	   ==> # of bytes needed for req density = rate/2^(17-x)
	   ==> # of null delimiters = ceil(ceil(rate/2^(17-x)) - phylen)/4)
	 */

	tx_density = scb_ampdu->mpdu_density;
	tmp = 1 << (17 - tx_density);
	bytes = CEIL(RSPEC2RATE(rspec), tmp);

	if (bytes > phylen) {
		cnt = CEIL(bytes - phylen, AMPDU_DELIMITER_LEN);
		return (u8) cnt;
	} else
		return 0;
}

void wlc_ampdu_macaddr_upd(struct wlc_info *wlc)
{
	char template[T_RAM_ACCESS_SZ * 2];
@@ -1286,11 +1222,6 @@ void wlc_ampdu_shm_upd(struct ampdu_info *ampdu)
	}
}

struct cb_del_ampdu_pars {
	struct ieee80211_sta *sta;
	u16 tid;
};

/*
 * callback function that helps flushing ampdu packets from a priority queue
 */
+0 −3
Original line number Diff line number Diff line
@@ -23,10 +23,7 @@ extern int wlc_sendampdu(struct ampdu_info *ampdu, struct wlc_txq_info *qi,
			 struct sk_buff **aggp, int prec);
extern void wlc_ampdu_dotxstatus(struct ampdu_info *ampdu, struct scb *scb,
				 struct sk_buff *p, tx_status_t *txs);
extern void wlc_ampdu_reset(struct ampdu_info *ampdu);
extern void wlc_ampdu_macaddr_upd(struct wlc_info *wlc);
extern void wlc_ampdu_shm_upd(struct ampdu_info *ampdu);
extern u8 wlc_ampdu_null_delim_cnt(struct ampdu_info *ampdu, struct scb *scb,
				      ratespec_t rspec, int phylen);

#endif				/* _wlc_ampdu_h_ */
+0 −1
Original line number Diff line number Diff line
@@ -398,7 +398,6 @@ void wlc_reset(struct wlc_info *wlc)
		sizeof(macstat_t));

	wlc_bmac_reset(wlc->hw);
	wlc_ampdu_reset(wlc->ampdu);
	wlc->txretried = 0;

}