From 87bff6a306e8979f7f2491e365e1b9f9e7cccb46 Mon Sep 17 00:00:00 2001 From: Arend van Spriel Date: Tue, 10 May 2011 22:25:30 +0200 Subject: [PATCH] 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: Henry Ptasinski Reviewed-by: Roland Vossen Reviewed-by: Brett Rudley Signed-off-by: Arend van Spriel Signed-off-by: Greg Kroah-Hartman --- .../staging/brcm80211/brcmsmac/wlc_ampdu.c | 85 ++----------------- .../staging/brcm80211/brcmsmac/wlc_ampdu.h | 3 - drivers/staging/brcm80211/brcmsmac/wlc_main.c | 1 - 3 files changed, 8 insertions(+), 81 deletions(-) diff --git a/drivers/staging/brcm80211/brcmsmac/wlc_ampdu.c b/drivers/staging/brcm80211/brcmsmac/wlc_ampdu.c index e9f62dd0614a..54ed03eceb84 100644 --- a/drivers/staging/brcm80211/brcmsmac/wlc_ampdu.c +++ b/drivers/staging/brcm80211/brcmsmac/wlc_ampdu.c @@ -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 */ diff --git a/drivers/staging/brcm80211/brcmsmac/wlc_ampdu.h b/drivers/staging/brcm80211/brcmsmac/wlc_ampdu.h index 17e9ebc0dfe2..63d403b036f4 100644 --- a/drivers/staging/brcm80211/brcmsmac/wlc_ampdu.h +++ b/drivers/staging/brcm80211/brcmsmac/wlc_ampdu.h @@ -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_ */ diff --git a/drivers/staging/brcm80211/brcmsmac/wlc_main.c b/drivers/staging/brcm80211/brcmsmac/wlc_main.c index 0e244d91b2fe..9697e12600e5 100644 --- a/drivers/staging/brcm80211/brcmsmac/wlc_main.c +++ b/drivers/staging/brcm80211/brcmsmac/wlc_main.c @@ -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; } -- 2.30.2