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Commit c710245c authored by Casey Leedom's avatar Casey Leedom Committed by David S. Miller
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cxgb4vf: Ingress Queue Entry Size needs to be 64 bytes 



Was using L1_CACHE_BYTES for the Ingress Queue Entry Size but it really
needs to be 64 bytes in order to support the largest message sizes.

Signed-off-by: default avatarCasey Leedom <leedom@chelsio.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 377ecca9

drivers/net/cxgb4vf/cxgb4vf_main.c

+11 −4
Original line number Diff line number Diff line
@@ -2269,6 +2269,7 @@ static void __devinit cfg_queues(struct adapter *adapter) 
{

	struct sge *s = &adapter->sge;

	int q10g, n10g, qidx, pidx, qs;

	size_t iqe_size;



	/*

	 * We should not be called till we know how many Queue Sets we can
@@ -2312,6 +2313,13 @@ static void __devinit cfg_queues(struct adapter *adapter) 
	}

	s->ethqsets = qidx;



	/*

	 * The Ingress Queue Entry Size for our various Response Queues needs

	 * to be big enough to accommodate the largest message we can receive

	 * from the chip/firmware; which is 64 bytes ...

	 */

	iqe_size = 64;



	/*

	 * Set up default Queue Set parameters ...  Start off with the

	 * shortest interrupt holdoff timer.
@@ -2320,7 +2328,7 @@ static void __devinit cfg_queues(struct adapter *adapter) 
		struct sge_eth_rxq *rxq = &s->ethrxq[qs];

		struct sge_eth_txq *txq = &s->ethtxq[qs];



		init_rspq(&rxq->rspq, 0, 0, 1024, L1_CACHE_BYTES);

		init_rspq(&rxq->rspq, 0, 0, 1024, iqe_size);

		rxq->fl.size = 72;

		txq->q.size = 1024;

	}
@@ -2329,8 +2337,7 @@ static void __devinit cfg_queues(struct adapter *adapter) 
	 * The firmware event queue is used for link state changes and

	 * notifications of TX DMA completions.

	 */

	init_rspq(&s->fw_evtq, SGE_TIMER_RSTRT_CNTR, 0, 512,

		  L1_CACHE_BYTES);

	init_rspq(&s->fw_evtq, SGE_TIMER_RSTRT_CNTR, 0, 512, iqe_size);



	/*

	 * The forwarded interrupt queue is used when we're in MSI interrupt
@@ -2346,7 +2353,7 @@ static void __devinit cfg_queues(struct adapter *adapter) 
	 * any time ...

	 */

	init_rspq(&s->intrq, SGE_TIMER_RSTRT_CNTR, 0, MSIX_ENTRIES + 1,

		  L1_CACHE_BYTES);

		  iqe_size);

}



/*