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Message-ID: <1321923680-7925-3-git-send-email-mcarlson@broadcom.com> Date: Mon, 21 Nov 2011 17:01:18 -0800 From: "Matt Carlson" <mcarlson@...adcom.com> To: davem@...emloft.net cc: netdev@...r.kernel.org, mcarlson@...adcom.com Subject: [PATCH net-next 2/4] tg3: Adjust BD replenish thresholds The BD replenish thresholds for the 57765 and newer ASIC revs are a little strict. They were tuned for a mode that is currently unused. This patch relaxes the thresholds so that they are set to values more inline with the resources available. Signed-off-by: Matt Carlson <mcarlson@...adcom.com> --- drivers/net/ethernet/broadcom/tg3.c | 8 +++----- 1 files changed, 3 insertions(+), 5 deletions(-) diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index 438d099..096a67e 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -8171,7 +8171,8 @@ static void tg3_setup_rxbd_thresholds(struct tg3 *tp) if (!tg3_flag(tp, 5750_PLUS) || tg3_flag(tp, 5780_CLASS) || GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 || - GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752) + GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 || + tg3_flag(tp, 57765_PLUS)) bdcache_maxcnt = TG3_SRAM_RX_STD_BDCACHE_SIZE_5700; else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 || GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787) @@ -8191,10 +8192,7 @@ static void tg3_setup_rxbd_thresholds(struct tg3 *tp) if (!tg3_flag(tp, JUMBO_CAPABLE) || tg3_flag(tp, 5780_CLASS)) return; - if (!tg3_flag(tp, 5705_PLUS)) - bdcache_maxcnt = TG3_SRAM_RX_JMB_BDCACHE_SIZE_5700; - else - bdcache_maxcnt = TG3_SRAM_RX_JMB_BDCACHE_SIZE_5717; + bdcache_maxcnt = TG3_SRAM_RX_JMB_BDCACHE_SIZE_5700; host_rep_thresh = max_t(u32, tp->rx_jumbo_pending / 8, 1); -- 1.7.3.4 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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