From: Keller, Jacob E Date: Tue, 9 Feb 2016 00:05:05 +0000 (-0800) Subject: fm10k: don't reinitialize RSS flow table when RXFH configured X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=1012014ef523510321728daac8e07bd70650b793;p=linux-beck.git fm10k: don't reinitialize RSS flow table when RXFH configured Also print an error message incase we do have to reconfigure as this should no longer happen anymore due to ethtool changes. If it somehow does occur, user should be made aware of it. Signed-off-by: Jacob Keller Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_main.c b/drivers/net/ethernet/intel/fm10k/fm10k_main.c index b243c3cbe68f..38f558e0bb62 100644 --- a/drivers/net/ethernet/intel/fm10k/fm10k_main.c +++ b/drivers/net/ethernet/intel/fm10k/fm10k_main.c @@ -1937,8 +1937,10 @@ static void fm10k_init_reta(struct fm10k_intfc *interface) u16 i, rss_i = interface->ring_feature[RING_F_RSS].indices; u32 reta, base; - /* If the netdev is initialized we have to maintain table if possible */ - if (interface->netdev->reg_state != NETREG_UNINITIALIZED) { + /* If the Rx flow indirection table has been configured manually, we + * need to maintain it when possible. + */ + if (netif_is_rxfh_configured(interface->netdev)) { for (i = FM10K_RETA_SIZE; i--;) { reta = interface->reta[i]; if ((((reta << 24) >> 24) < rss_i) && @@ -1946,6 +1948,10 @@ static void fm10k_init_reta(struct fm10k_intfc *interface) (((reta << 8) >> 24) < rss_i) && (((reta) >> 24) < rss_i)) continue; + + /* this should never happen */ + dev_err(&interface->pdev->dev, + "RSS indirection table assigned flows out of queue bounds. Reconfiguring.\n"); goto repopulate_reta; }