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authorCasey Leedom <leedom@chelsio.com>2010-12-09 09:38:24 +0000
committerDavid S. Miller <davem@davemloft.net>2010-12-10 15:49:33 -0800
commitc710245caa41060e983cc9cb5ffcc020e02ca45f (patch)
tree599ac4a137b72daa52f57bed97fd534eb6da87a1 /drivers
parent377ecca9ba6d98f31517e2322075e94d1be94561 (diff)
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: Casey Leedom <leedom@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/cxgb4vf/cxgb4vf_main.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/drivers/net/cxgb4vf/cxgb4vf_main.c b/drivers/net/cxgb4vf/cxgb4vf_main.c
index d887a76cd39..6bf464afa90 100644
--- a/drivers/net/cxgb4vf/cxgb4vf_main.c
+++ b/drivers/net/cxgb4vf/cxgb4vf_main.c
@@ -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
@@ -2313,6 +2314,13 @@ 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);
}
/*