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author | David S. Miller <davem@davemloft.net> | 2011-03-03 21:27:42 -0800 |
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committer | David S. Miller <davem@davemloft.net> | 2011-03-03 21:27:42 -0800 |
commit | 0a0e9ae1bd788bc19adc4d4ae08c98b233697402 (patch) | |
tree | 13825eeb5bbeae27d66e95f12168eff4b60701ab /drivers/net/bnx2x/bnx2x.h | |
parent | 01a16b21d6adf992aa863186c3c4e561a57c1714 (diff) | |
parent | b65a0e0c84cf489bfa00d6aa6c48abc5a237100f (diff) | |
download | linux-0a0e9ae1bd788bc19adc4d4ae08c98b233697402.tar.gz linux-0a0e9ae1bd788bc19adc4d4ae08c98b233697402.tar.bz2 linux-0a0e9ae1bd788bc19adc4d4ae08c98b233697402.zip |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
drivers/net/bnx2x/bnx2x.h
Diffstat (limited to 'drivers/net/bnx2x/bnx2x.h')
-rw-r--r-- | drivers/net/bnx2x/bnx2x.h | 26 |
1 files changed, 15 insertions, 11 deletions
diff --git a/drivers/net/bnx2x/bnx2x.h b/drivers/net/bnx2x/bnx2x.h index 1914026a7b63..50d1e0793091 100644 --- a/drivers/net/bnx2x/bnx2x.h +++ b/drivers/net/bnx2x/bnx2x.h @@ -1631,19 +1631,23 @@ static inline u32 reg_poll(struct bnx2x *bp, u32 reg, u32 expected, int ms, #define BNX2X_BTR 4 #define MAX_SPQ_PENDING 8 - -/* CMNG constants - derived from lab experiments, and not from system spec calculations !!! */ -#define DEF_MIN_RATE 100 +/* CMNG constants, as derived from system spec calculations */ +/* default MIN rate in case VNIC min rate is configured to zero - 100Mbps */ +#define DEF_MIN_RATE 100 /* resolution of the rate shaping timer - 100 usec */ -#define RS_PERIODIC_TIMEOUT_USEC 100 -/* resolution of fairness algorithm in usecs - - coefficient for calculating the actual t fair */ -#define T_FAIR_COEF 10000000 +#define RS_PERIODIC_TIMEOUT_USEC 100 /* number of bytes in single QM arbitration cycle - - coefficient for calculating the fairness timer */ -#define QM_ARB_BYTES 40000 -#define FAIR_MEM 2 + * coefficient for calculating the fairness timer */ +#define QM_ARB_BYTES 160000 +/* resolution of Min algorithm 1:100 */ +#define MIN_RES 100 +/* how many bytes above threshold for the minimal credit of Min algorithm*/ +#define MIN_ABOVE_THRESH 32768 +/* Fairness algorithm integration time coefficient - + * for calculating the actual Tfair */ +#define T_FAIR_COEF ((MIN_ABOVE_THRESH + QM_ARB_BYTES) * 8 * MIN_RES) +/* Memory of fairness algorithm . 2 cycles */ +#define FAIR_MEM 2 #define ATTN_NIG_FOR_FUNC (1L << 8) |