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adjust tx buffer allocation based on empirical testing:

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o increase the max per-frame tx descriptor count and the number of tx
  buffers for forthcoming fast frame support
o correct the max scatter/gather count; it cannot be larger than the
  max(tx,rx,beacon) descriptor counts
This commit is contained in:
Sam Leffler 2005-01-18 19:42:17 +00:00
parent aab26fb481
commit c4dc6d1307
1 changed files with 3 additions and 3 deletions
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6
sys/dev/ath/if_athvar.h
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@ -52,8 +52,8 @@
#define ATH_TIMEOUT 1000
#define ATH_RXBUF 40 /* number of RX buffers */
#define ATH_TXBUF 60 /* number of TX buffers */
#define ATH_TXDESC 8 /* number of descriptors per buffer */
#define ATH_TXBUF 100 /* number of TX buffers */
#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 */
@ -89,7 +89,7 @@ struct ath_buf {
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;