tg3: Fix tx mailbox initialization
If a device supports MSI-X interrupts, the driver assumes TSS will be available. This is not true for the 57765. This patch changes the code so that only the default tx mailbox is initialized if TSS is not available. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Reviewed-by: Michael Chan <mchan@broadcom.com> Reviewed-by: Benjamin Li <benli@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -7440,10 +7440,13 @@ static void tg3_rings_reset(struct tg3 *tp)
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for (i = 1; i < TG3_IRQ_MAX_VECS; i++) {
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tp->napi[i].tx_prod = 0;
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tp->napi[i].tx_cons = 0;
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tw32_mailbox(tp->napi[i].prodmbox, 0);
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if (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS)
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tw32_mailbox(tp->napi[i].prodmbox, 0);
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tw32_rx_mbox(tp->napi[i].consmbox, 0);
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tw32_mailbox_f(tp->napi[i].int_mbox, 1);
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}
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if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS))
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tw32_mailbox(tp->napi[0].prodmbox, 0);
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} else {
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tp->napi[0].tx_prod = 0;
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tp->napi[0].tx_cons = 0;
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