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Commit 3d37728b authored by Matt Carlson's avatar Matt Carlson Committed by David S. Miller
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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: default avatarMatt Carlson <mcarlson@broadcom.com>
Reviewed-by: default avatarMichael Chan <mchan@broadcom.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent bba226ac

drivers/net/tg3.c

+3 −0
Original line number Diff line number Diff line
@@ -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