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nfp: create separate define for max number of vectors 

We are currently using define for max TX rings to allocate IRQ
vectors.  It's OK since the max number of rings for TX and RX
are currently the same, but lets make the code nicer by taking
max of the two.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jakub Kicinski 2016-10-31 20:43:18 +00:00 committed by David S. Miller
parent 1a1d74d378
commit 23a4e389bd
1 changed files with 5 additions and 3 deletions
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8
drivers/net/ethernet/netronome/nfp/nfp_net.h
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@ -87,6 +87,9 @@
/* Queue/Ring definitions */
#define NFP_NET_MAX_TX_RINGS 64 /* Max. # of Tx rings per device */
#define NFP_NET_MAX_RX_RINGS 64 /* Max. # of Rx rings per device */
#define NFP_NET_MAX_R_VECS (NFP_NET_MAX_TX_RINGS > NFP_NET_MAX_RX_RINGS ? \
NFP_NET_MAX_TX_RINGS : NFP_NET_MAX_RX_RINGS)
#define NFP_NET_MAX_IRQS (NFP_NET_NON_Q_VECTORS + NFP_NET_MAX_R_VECS)
#define NFP_NET_MIN_TX_DESCS 256 /* Min. # of Tx descs per ring */
#define NFP_NET_MIN_RX_DESCS 256 /* Min. # of Rx descs per ring */
@ -539,9 +542,8 @@ struct nfp_net {
u8 num_irqs;
u8 num_r_vecs;
struct nfp_net_r_vector r_vecs[NFP_NET_MAX_TX_RINGS];
struct msix_entry irq_entries[NFP_NET_NON_Q_VECTORS +
NFP_NET_MAX_TX_RINGS];
struct nfp_net_r_vector r_vecs[NFP_NET_MAX_R_VECS];
struct msix_entry irq_entries[NFP_NET_MAX_IRQS];
irq_handler_t lsc_handler;
char lsc_name[IFNAMSIZ + 8];