nfp: move RSS indirection table init into a separate function
authorJakub Kicinski <jakub.kicinski@netronome.com>
Thu, 3 Nov 2016 17:12:03 +0000 (17:12 +0000)
committerDavid S. Miller <davem@davemloft.net>
Fri, 4 Nov 2016 18:56:15 +0000 (14:56 -0400)
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.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/netronome/nfp/nfp_net_common.c

index 2a4e1f1cb3c99850fee4c6721285ff566f56af55..09cec6e2c6cf8f8f21887b0bc48e4ea7fe7b3829 100644 (file)
@@ -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 |