diff options
| author | Sunil Goutham <sgoutham@cavium.com> | 2017-11-24 15:04:03 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-11-30 09:24:07 -0500 |
| commit | 87de083857aa269fb171ef0b39696b2888361c58 (patch) | |
| tree | 7ae36497516088c5cd1f834ba6c6c2d6677029f9 /drivers/net/ethernet/cavium | |
| parent | aa136d0c82fcd6af14535853c30e219e02b2692d (diff) | |
| download | linux-87de083857aa269fb171ef0b39696b2888361c58.tar.bz2 | |
net: thunderx: Set max queue count taking XDP_TX into account
on T81 there are only 4 cores, hence setting max queue count to 4
would leave nothing for XDP_TX. This patch fixes this by doubling
max queue count in above scenarios.
Signed-off-by: Sunil Goutham <sgoutham@cavium.com>
Signed-off-by: cjacob <cjacob@caviumnetworks.com>
Signed-off-by: Aleksey Makarov <aleksey.makarov@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/cavium')
| -rw-r--r-- | drivers/net/ethernet/cavium/thunder/nicvf_main.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_main.c b/drivers/net/ethernet/cavium/thunder/nicvf_main.c index b82e28262c57..52b3a6044f85 100644 --- a/drivers/net/ethernet/cavium/thunder/nicvf_main.c +++ b/drivers/net/ethernet/cavium/thunder/nicvf_main.c @@ -1891,6 +1891,11 @@ static int nicvf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) nic->pdev = pdev; nic->pnicvf = nic; nic->max_queues = qcount; + /* If no of CPUs are too low, there won't be any queues left + * for XDP_TX, hence double it. + */ + if (!nic->t88) + nic->max_queues *= 2; /* MAP VF's configuration registers */ nic->reg_base = pcim_iomap(pdev, PCI_CFG_REG_BAR_NUM, 0); |