Messages in this thread Patch in this message | | | From | Arnd Bergmann <> | Subject | [PATCH] netronome: don't access real_num_rx_queues directly | Date | Wed, 16 Nov 2016 15:10:49 +0100 |
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The netdev->real_num_rx_queues setting is only available if CONFIG_SYSFS is enabled, so we now get a build failure when that is turned off:
netronome/nfp/nfp_net_common.c: In function 'nfp_net_ring_swap_enable': netronome/nfp/nfp_net_common.c:2489:18: error: 'struct net_device' has no member named 'real_num_rx_queues'; did you mean 'real_num_tx_queues'?
As far as I can tell, the check here is only used as an optimization that we can skip in order to fix the compilation. If sysfs is disabled, the following netif_set_real_num_rx_queues() has no effect.
Fixes: 164d1e9e5d52 ("nfp: add support for ethtool .set_channels") Signed-off-by: Arnd Bergmann <arnd@arndb.de> --- drivers/net/ethernet/netronome/nfp/nfp_net_common.c | 14 ++++++-------- 1 file changed, 6 insertions(+), 8 deletions(-)
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c index 99edb9fd84bf..eb3715700c95 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c @@ -2486,15 +2486,13 @@ nfp_net_ring_swap_enable(struct nfp_net *nn, unsigned int *num_vecs, for (r = 0; r < nn->max_r_vecs; r++) nfp_net_vector_assign_rings(nn, &nn->r_vecs[r], r); - if (nn->netdev->real_num_rx_queues != nn->num_rx_rings) { - if (!netif_is_rxfh_configured(nn->netdev)) - nfp_net_rss_init_itbl(nn); + if (!netif_is_rxfh_configured(nn->netdev)) + nfp_net_rss_init_itbl(nn); - err = netif_set_real_num_rx_queues(nn->netdev, - nn->num_rx_rings); - if (err) - return err; - } + err = netif_set_real_num_rx_queues(nn->netdev, + nn->num_rx_rings); + if (err) + return err; if (nn->netdev->real_num_tx_queues != nn->num_stack_tx_rings) { err = netif_set_real_num_tx_queues(nn->netdev, -- 2.9.0
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