Date: Mon, 10 Jan 2005 17:47:52 GMT From: Sam Leffler <sam@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 68656 for review Message-ID: <200501101747.j0AHlqHr095692@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=68656 Change 68656 by sam@sam_ebb on 2005/01/10 17:46:53 o bump tx descriptor count to avoid defrag'ing fast frames o correct max s/g count; it can never be more than the max(rx,tx,beacon) descriptor counts Affected files ... .. //depot/projects/wifi/sys/dev/ath/if_athvar.h#27 edit Differences ... ==== //depot/projects/wifi/sys/dev/ath/if_athvar.h#27 (text+ko) ==== @@ -53,7 +53,7 @@ #define ATH_RXBUF 40 /* number of RX buffers */ #define ATH_TXBUF 100 /* number of TX buffers */ -#define ATH_TXDESC 8 /* number of descriptors per buffer */ +#define ATH_TXDESC 10 /* number of descriptors per buffer */ #define ATH_TXMAXTRY 11 /* max number of transmit attempts */ #define ATH_TXINTR_PERIOD 5 /* max number of batched tx descriptors */ @@ -98,7 +98,7 @@ struct mbuf *bf_m; /* mbuf for buf */ struct ieee80211_node *bf_node; /* pointer to the node */ bus_size_t bf_mapsize; -#define ATH_MAX_SCATTER 64 +#define ATH_MAX_SCATTER ATH_TXDESC /* max(tx,rx,beacon) desc's */ bus_dma_segment_t bf_segs[ATH_MAX_SCATTER]; }; typedef STAILQ_HEAD(, ath_buf) ath_bufhead;
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