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Commit 2c7e41c0 authored by Jakub Kicinski's avatar Jakub Kicinski Committed by David S. Miller
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nfp: allow non-equal distribution of IRQs 



Thus far the code assumed all vNICs will request similar number of IRQs.
This will be no longer true with control vNICs (where 1 IRQ will suffice).

Signed-off-by: default avatarJakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 6d4b0d8e

drivers/net/ethernet/netronome/nfp/nfp_net_main.c

+2 −1
Original line number Diff line number Diff line
@@ -420,7 +420,8 @@ static int nfp_net_pf_alloc_irqs(struct nfp_pf *pf) 
	list_for_each_entry(nn, &pf->vnics, vnic_list) {

		unsigned int n;



		n = DIV_ROUND_UP(irqs_left, vnics_left);

		n = min(NFP_NET_NON_Q_VECTORS + nn->dp.num_r_vecs,

			DIV_ROUND_UP(irqs_left, vnics_left));

		nfp_net_irqs_assign(nn, &pf->irq_entries[num_irqs - irqs_left],

				    n);

		irqs_left -= n;