[PATCH net-next 13/14] nfp: replace num_irqs with max_r_vecs

[Jakub Kicinski]

num_irqs is not used anywhere, replace it with max_r_vecs which holds
number of allocated RX/TX vectors and is going to be useful soon.

Signed-off-by: Jakub Kicinski <jakub.kicin...@netronome.com>
---
 drivers/net/ethernet/netronome/nfp/nfp_net.h        |  4 ++--
 drivers/net/ethernet/netronome/nfp/nfp_net_common.c | 14 ++++++++------
 2 files changed, 10 insertions(+), 8 deletions(-)

diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net.h 
b/drivers/net/ethernet/netronome/nfp/nfp_net.h
index 0ea6ebd329cf..e8713254786b 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_net.h
+++ b/drivers/net/ethernet/netronome/nfp/nfp_net.h
@@ -456,7 +456,7 @@ struct nfp_stat_pair {
  * @rxd_cnt:            Size of the RX ring in number of descriptors
  * @tx_rings:           Array of pre-allocated TX ring structures
  * @rx_rings:           Array of pre-allocated RX ring structures
- * @num_irqs:          Number of allocated interrupt vectors
+ * @max_r_vecs:                Number of allocated interrupt vectors for RX/TX
  * @num_r_vecs:         Number of used ring vectors
  * @r_vecs:             Pre-allocated array of ring vectors
  * @irq_entries:        Pre-allocated array of MSI-X entries
@@ -540,7 +540,7 @@ struct nfp_net {
        int txd_cnt;
        int rxd_cnt;
 
-       unsigned int num_irqs;
+       unsigned int max_r_vecs;
        unsigned int num_r_vecs;
        struct nfp_net_r_vector r_vecs[NFP_NET_MAX_R_VECS];
        struct msix_entry irq_entries[NFP_NET_MAX_IRQS];
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c 
b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
index f26c3927746f..4b866fc874b6 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
@@ -316,22 +316,24 @@ static int nfp_net_msix_alloc(struct nfp_net *nn, int 
nr_vecs)
 int nfp_net_irqs_alloc(struct nfp_net *nn)
 {
        int wanted_irqs;
+       unsigned int n;
 
        wanted_irqs = nn->num_r_vecs + NFP_NET_NON_Q_VECTORS;
 
-       nn->num_irqs = nfp_net_msix_alloc(nn, wanted_irqs);
-       if (nn->num_irqs == 0) {
+       n = nfp_net_msix_alloc(nn, wanted_irqs);
+       if (n == 0) {
                nn_err(nn, "Failed to allocate MSI-X IRQs\n");
                return 0;
        }
 
-       nn->num_r_vecs = nn->num_irqs - NFP_NET_NON_Q_VECTORS;
+       nn->max_r_vecs = n - NFP_NET_NON_Q_VECTORS;
+       nn->num_r_vecs = nn->max_r_vecs;
 
-       if (nn->num_irqs < wanted_irqs)
+       if (n < wanted_irqs)
                nn_warn(nn, "Unable to allocate %d vectors. Got %d instead\n",
-                       wanted_irqs, nn->num_irqs);
+                       wanted_irqs, n);
 
-       return nn->num_irqs;
+       return n;
 }
 
 /**
-- 
1.9.1