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authorJohn Fastabend <john.r.fastabend@intel.com>2010-03-24 10:01:45 +0000
committerDavid S. Miller <davem@davemloft.net>2010-03-26 11:56:02 -0700
commite0fce6950b822aba7840d82c2d2018f1e1b8276b (patch)
tree4740b85f8199d24b413ab423f3e304e9c1998c98 /drivers
parent581d1aa777580c1c22169538ffb46676b13c408e (diff)
downloadlinux-2.6.34-ux500-e0fce6950b822aba7840d82c2d2018f1e1b8276b.tar.gz
ixgbe: cleanup maximum number of tx queues
In the last patch I missed an unecessary min_t comparison. This patch removes it, the path allocates at most 72 tx queues for 82599 and 24 for 82598 there is no need for this check. Additionally this sets MAX_[TX|RX]_QUEUES to 72. Which is used as the size for the tx/rx_ring arrays. There is no reason to have more tx_rings/rx_rings then num_tx_queues. Signed-off-by: John Fastabend <john.r.fastabend@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Acked-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ixgbe/ixgbe.h7
-rw-r--r--drivers/net/ixgbe/ixgbe_main.c1
2 files changed, 5 insertions, 3 deletions
diff --git a/drivers/net/ixgbe/ixgbe.h b/drivers/net/ixgbe/ixgbe.h
index 19e94ee155a..79c35ae3718 100644
--- a/drivers/net/ixgbe/ixgbe.h
+++ b/drivers/net/ixgbe/ixgbe.h
@@ -204,14 +204,17 @@ enum ixgbe_ring_f_enum {
#define IXGBE_MAX_FDIR_INDICES 64
#ifdef IXGBE_FCOE
#define IXGBE_MAX_FCOE_INDICES 8
+#define MAX_RX_QUEUES (IXGBE_MAX_FDIR_INDICES + IXGBE_MAX_FCOE_INDICES)
+#define MAX_TX_QUEUES (IXGBE_MAX_FDIR_INDICES + IXGBE_MAX_FCOE_INDICES)
+#else
+#define MAX_RX_QUEUES IXGBE_MAX_FDIR_INDICES
+#define MAX_TX_QUEUES IXGBE_MAX_FDIR_INDICES
#endif /* IXGBE_FCOE */
struct ixgbe_ring_feature {
int indices;
int mask;
} ____cacheline_internodealigned_in_smp;
-#define MAX_RX_QUEUES 128
-#define MAX_TX_QUEUES 128
#define MAX_RX_PACKET_BUFFERS ((adapter->flags & IXGBE_FLAG_DCB_ENABLED) \
? 8 : 1)
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index 1066d53e102..208fb4a9721 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -6061,7 +6061,6 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev,
indices += min_t(unsigned int, num_possible_cpus(),
IXGBE_MAX_FCOE_INDICES);
#endif
- indices = min_t(unsigned int, indices, MAX_TX_QUEUES);
netdev = alloc_etherdev_mq(sizeof(struct ixgbe_adapter), indices);
if (!netdev) {
err = -ENOMEM;