sfc: Pass NIC structure into efx_wanted_parallelism()

This lets us identify the NIC affected in case of failure, and
will be necessary to adjust for SR-IOV constraints.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>

diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c
index 0a9ab49..e943ffb 100644 (file)
--- a/drivers/net/ethernet/sfc/efx.c
+++ b/drivers/net/ethernet/sfc/efx.c
@@ -1169,7 +1169,7 @@ static void efx_fini_io(struct efx_nic *efx)
        pci_disable_device(efx->pci_dev);
 }
 
-static unsigned int efx_wanted_parallelism(void)
+static unsigned int efx_wanted_parallelism(struct efx_nic *efx)
 {
        cpumask_var_t thread_mask;
        unsigned int count;
@@ -1179,8 +1179,8 @@ static unsigned int efx_wanted_parallelism(void)
                return rss_cpus;
 
        if (unlikely(!zalloc_cpumask_var(&thread_mask, GFP_KERNEL))) {
-               printk(KERN_WARNING
-                      "sfc: RSS disabled due to allocation failure\n");
+               netif_warn(efx, probe, efx->net_dev,
+                          "RSS disabled due to allocation failure\n");
                return 1;
        }
 
@@ -1239,7 +1239,7 @@ static int efx_probe_interrupts(struct efx_nic *efx)
                struct msix_entry xentries[EFX_MAX_CHANNELS];
                unsigned int n_channels;
 
-               n_channels = efx_wanted_parallelism();
+               n_channels = efx_wanted_parallelism(efx);
                if (separate_tx_channels)
                        n_channels *= 2;
                n_channels += extra_channels;