From 961acdeafd8f369a9e99b3d08f66eec5d8f93a8e Mon Sep 17 00:00:00 2001 From: Sudarsana Reddy Kalluru Date: Sun, 10 Apr 2016 12:43:01 +0300 Subject: qede: add Rx flow hash/indirection support. Adds support for the following via ethtool: - UDP configuration of RSS based on 2-tuple/4-tuple. - RSS hash key. - RSS indirection table. Signed-off-by: Sudarsana Reddy Kalluru Signed-off-by: Yuval Mintz Signed-off-by: David S. Miller --- drivers/net/ethernet/qlogic/qede/qede_main.c | 52 +++++++++++++++++++++++----- 1 file changed, 43 insertions(+), 9 deletions(-) (limited to 'drivers/net/ethernet/qlogic/qede/qede_main.c') diff --git a/drivers/net/ethernet/qlogic/qede/qede_main.c b/drivers/net/ethernet/qlogic/qede/qede_main.c index a55d93eb41fa..457caad2e752 100644 --- a/drivers/net/ethernet/qlogic/qede/qede_main.c +++ b/drivers/net/ethernet/qlogic/qede/qede_main.c @@ -2826,10 +2826,10 @@ static int qede_start_queues(struct qede_dev *edev) int rc, tc, i; int vlan_removal_en = 1; struct qed_dev *cdev = edev->cdev; - struct qed_update_vport_rss_params *rss_params = &edev->rss_params; struct qed_update_vport_params vport_update_params; struct qed_queue_start_common_params q_params; struct qed_start_vport_params start = {0}; + bool reset_rss_indir = false; if (!edev->num_rss) { DP_ERR(edev, @@ -2924,16 +2924,50 @@ static int qede_start_queues(struct qede_dev *edev) /* Fill struct with RSS params */ if (QEDE_RSS_CNT(edev) > 1) { vport_update_params.update_rss_flg = 1; - for (i = 0; i < 128; i++) - rss_params->rss_ind_table[i] = - ethtool_rxfh_indir_default(i, QEDE_RSS_CNT(edev)); - netdev_rss_key_fill(rss_params->rss_key, - sizeof(rss_params->rss_key)); + + /* Need to validate current RSS config uses valid entries */ + for (i = 0; i < QED_RSS_IND_TABLE_SIZE; i++) { + if (edev->rss_params.rss_ind_table[i] >= + edev->num_rss) { + reset_rss_indir = true; + break; + } + } + + if (!(edev->rss_params_inited & QEDE_RSS_INDIR_INITED) || + reset_rss_indir) { + u16 val; + + for (i = 0; i < QED_RSS_IND_TABLE_SIZE; i++) { + u16 indir_val; + + val = QEDE_RSS_CNT(edev); + indir_val = ethtool_rxfh_indir_default(i, val); + edev->rss_params.rss_ind_table[i] = indir_val; + } + edev->rss_params_inited |= QEDE_RSS_INDIR_INITED; + } + + if (!(edev->rss_params_inited & QEDE_RSS_KEY_INITED)) { + netdev_rss_key_fill(edev->rss_params.rss_key, + sizeof(edev->rss_params.rss_key)); + edev->rss_params_inited |= QEDE_RSS_KEY_INITED; + } + + if (!(edev->rss_params_inited & QEDE_RSS_CAPS_INITED)) { + edev->rss_params.rss_caps = QED_RSS_IPV4 | + QED_RSS_IPV6 | + QED_RSS_IPV4_TCP | + QED_RSS_IPV6_TCP; + edev->rss_params_inited |= QEDE_RSS_CAPS_INITED; + } + + memcpy(&vport_update_params.rss_params, &edev->rss_params, + sizeof(vport_update_params.rss_params)); } else { - memset(rss_params, 0, sizeof(*rss_params)); + memset(&vport_update_params.rss_params, 0, + sizeof(vport_update_params.rss_params)); } - memcpy(&vport_update_params.rss_params, rss_params, - sizeof(*rss_params)); rc = edev->ops->vport_update(cdev, &vport_update_params); if (rc) { -- cgit v1.2.3-55-g7522