From: Matt Carlson Date: Thu, 14 Oct 2010 10:37:39 +0000 (+0000) Subject: tg3: Disable unused transmit rings X-Git-Tag: v2.6.37-rc1~147^2~116 X-Git-Url: https://bbs.cooldavid.org/git/?p=net-next-2.6.git;a=commitdiff_plain;h=3d37728bc55994fdf2888f6c872bdeea03a84cc2 tg3: Disable unused transmit rings This patch allows the driver to disable the additional transmit rings available on the 5717 and 5719 devices. This is not strictly necessary, but is done anyways for correctness. Signed-off-by: Matt Carlson Reviewed-by: Michael Chan Signed-off-by: David S. Miller --- diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index 978ba5d8c25..1c680ff5101 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -7536,6 +7536,9 @@ static void tg3_rings_reset(struct tg3 *tp) /* Disable all transmit rings but the first. */ if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) limit = NIC_SRAM_SEND_RCB + TG3_BDINFO_SIZE * 16; + else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 || + GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719) + limit = NIC_SRAM_SEND_RCB + TG3_BDINFO_SIZE * 4; else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765) limit = NIC_SRAM_SEND_RCB + TG3_BDINFO_SIZE * 2; else