diff options
| author | Seth Forshee <seth.forshee@canonical.com> | 2012-11-15 14:07:52 (GMT) |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2012-11-20 19:03:21 (GMT) |
| commit | 5c8067caeecbabf8c60dbb73dd517d2a2aad16a5 (patch) | |
| tree | dd4575535a23f1e6393dbed8a689c0ea8cf2a4f0 /drivers/net/wireless/brcm80211/brcmsmac/ampdu.c | |
| parent | ef2c0512bbf43440a78a6471059e19641eab1e83 (diff) | |
| download | linux-fsl-qoriq-5c8067caeecbabf8c60dbb73dd517d2a2aad16a5.tar.xz | |
brcmsmac: Don't weight AMPDU packets in txfifo
According to the comments this "reduces rate lag," but in reality the
only way this value is used is for determining whether or not any frames
remain to be transmitted. Therefore there's no reason for AMPDU packets
to receive any weighting.
Signed-off-by: Seth Forshee <seth.forshee@canonical.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Arend van Spriel <arend@broadcom.com>
Tested-by: Daniel Wagner <wagi@monom.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/brcm80211/brcmsmac/ampdu.c')
| -rw-r--r-- | drivers/net/wireless/brcm80211/brcmsmac/ampdu.c | 12 |
1 files changed, 3 insertions, 9 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmsmac/ampdu.c b/drivers/net/wireless/brcm80211/brcmsmac/ampdu.c index 5739534..ea84087 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/ampdu.c +++ b/drivers/net/wireless/brcm80211/brcmsmac/ampdu.c @@ -40,8 +40,6 @@ #define AMPDU_DEF_RETRY_LIMIT 5 /* default tx retry limit at reg rate */ #define AMPDU_DEF_RR_RETRY_LIMIT 2 -/* default weight of ampdu in txfifo */ -#define AMPDU_DEF_TXPKT_WEIGHT 2 /* default ffpld reserved bytes */ #define AMPDU_DEF_FFPLD_RSVD 2048 /* # of inis to be freed on detach */ @@ -114,7 +112,6 @@ struct brcms_fifo_info { * mpdu_density: min mpdu spacing (0-7) ==> 2^(x-1)/8 usec * max_pdu: max pdus allowed in ampdu * dur: max duration of an ampdu (in msec) - * txpkt_weight: weight of ampdu in txfifo; reduces rate lag * rx_factor: maximum rx ampdu factor (0-3) ==> 2^(13+x) bytes * ffpld_rsvd: number of bytes to reserve for preload * max_txlen: max size of ampdu per mcs, bw and sgi @@ -136,7 +133,6 @@ struct ampdu_info { u8 mpdu_density; s8 max_pdu; u8 dur; - u8 txpkt_weight; u8 rx_factor; u32 ffpld_rsvd; u32 max_txlen[MCS_TABLE_SIZE][2][2]; @@ -247,7 +243,6 @@ struct ampdu_info *brcms_c_ampdu_attach(struct brcms_c_info *wlc) ampdu->mpdu_density = AMPDU_DEF_MPDU_DENSITY; ampdu->max_pdu = AUTO; ampdu->dur = AMPDU_MAX_DUR; - ampdu->txpkt_weight = AMPDU_DEF_TXPKT_WEIGHT; ampdu->ffpld_rsvd = AMPDU_DEF_FFPLD_RSVD; /* @@ -942,8 +937,7 @@ brcms_c_sendampdu(struct ampdu_info *ampdu, struct brcms_txq_info *qi, while ((p = skb_dequeue(&session.skb_list)) != NULL) brcms_c_txfifo(wlc, fifo, p, - skb_queue_empty(&session.skb_list), - ampdu->txpkt_weight); + skb_queue_empty(&session.skb_list)); } /* endif (count) */ return err; @@ -1162,7 +1156,7 @@ brcms_c_ampdu_dotxstatus_complete(struct ampdu_info *ampdu, struct scb *scb, /* update rate state */ antselid = brcms_c_antsel_antsel2id(wlc->asi, mimoantsel); - brcms_c_txfifo_complete(wlc, queue, ampdu->txpkt_weight); + brcms_c_txfifo_complete(wlc, queue); } void @@ -1219,7 +1213,7 @@ brcms_c_ampdu_dotxstatus(struct ampdu_info *ampdu, struct scb *scb, p = dma_getnexttxp(wlc->hw->di[queue], DMA_RANGE_TRANSMITTED); } - brcms_c_txfifo_complete(wlc, queue, ampdu->txpkt_weight); + brcms_c_txfifo_complete(wlc, queue); } } |