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Use one counter instead of four to make up TX collision stats as BCM5705+.

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It reduces chance of errors from multiple counter wraps at the same time.
This commit is contained in:
Jung-uk Kim 2006-12-13 17:28:51 +00:00
parent b5483b3c90
commit 8634dfff05
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=165181
1 changed files with 1 additions and 8 deletions
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9
sys/dev/bge/if_bge.c
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@ -3088,14 +3088,7 @@ bge_stats_update(struct bge_softc *sc)
#define READ_STAT(sc, stats, stat) \
CSR_READ_4(sc, stats + offsetof(struct bge_stats, stat))
cnt = READ_STAT(sc, stats,
txstats.dot3StatsSingleCollisionFrames.bge_addr_lo);
cnt += READ_STAT(sc, stats,
txstats.dot3StatsMultipleCollisionFrames.bge_addr_lo);
cnt += READ_STAT(sc, stats,
txstats.dot3StatsExcessiveCollisions.bge_addr_lo);
cnt += READ_STAT(sc, stats,
txstats.dot3StatsLateCollisions.bge_addr_lo);
cnt = READ_STAT(sc, stats, txstats.etherStatsCollisions.bge_addr_lo);
ifp->if_collisions += (uint32_t)(cnt - sc->bge_tx_collisions);
sc->bge_tx_collisions = cnt;