[PATCH net-next 07/13] nfp: move RSS indirection table init into a separate function

[Jakub Kicinski]

We will need to rerun the initialization of the RSS indirection table
after the number of rings is changed.  Move the code to a separate
function.

Signed-off-by: Jakub Kicinski <jakub.kicin...@netronome.com>
---
 drivers/net/ethernet/netronome/nfp/nfp_net_common.c | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c 
b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
index 2a4e1f1cb3c9..09cec6e2c6cf 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
@@ -2229,6 +2229,15 @@ static void nfp_net_set_rx_mode(struct net_device 
*netdev)
        nn->ctrl = new_ctrl;
 }
 
+static void nfp_net_rss_init_itbl(struct nfp_net *nn)
+{
+       int i;
+
+       for (i = 0; i < sizeof(nn->rss_itbl); i++)
+               nn->rss_itbl[i] =
+                       ethtool_rxfh_indir_default(i, nn->num_rx_rings);
+}
+
 static int
 nfp_net_ring_swap_enable(struct nfp_net *nn,
                         struct nfp_net_ring_set *rx,
@@ -2707,13 +2716,9 @@ void nfp_net_netdev_free(struct nfp_net *nn)
  */
 static void nfp_net_rss_init(struct nfp_net *nn)
 {
-       int i;
-
        netdev_rss_key_fill(nn->rss_key, NFP_NET_CFG_RSS_KEY_SZ);
 
-       for (i = 0; i < sizeof(nn->rss_itbl); i++)
-               nn->rss_itbl[i] =
-                       ethtool_rxfh_indir_default(i, nn->num_rx_rings);
+       nfp_net_rss_init_itbl(nn);
 
        /* Enable IPv4/IPv6 TCP by default */
        nn->rss_cfg = NFP_NET_CFG_RSS_IPV4_TCP |
-- 
1.9.1