diff mbox

[dpdk-dev,09/24] net/i40e: restore RSS hash info

Message ID 1480679625-4157-10-git-send-email-beilei.xing@intel.com (mailing list archive)
State Superseded, archived
Delegated to: Ferruh Yigit
Headers

Checks

Context Check Description
checkpatch/checkpatch success coding style OK

Commit Message

Xing, Beilei Dec. 2, 2016, 11:53 a.m. UTC 
  Add support of restoring RSS hash info, include looup table
and RSS configuration.

Signed-off-by: Beilei Xing <beilei.xing@intel.com>
---
 drivers/net/i40e/i40e_ethdev.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
diff mbox

Patch

diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
index a47d141..997e2fe 100644
--- a/drivers/net/i40e/i40e_ethdev.c
+++ b/drivers/net/i40e/i40e_ethdev.c
@@ -487,6 +487,7 @@  static int i40e_sw_tunnel_filter_del(struct i40e_pf *pf,
 static void i40e_ethertype_filter_restore(struct i40e_pf *pf);
 static void i40e_macvlan_filter_restore(struct i40e_pf *pf);
 static void i40e_tunnel_filter_restore(struct i40e_pf *pf);
+static void i40e_rss_hash_restore(struct i40e_pf *pf);
 static void i40e_filter_restore(struct i40e_pf *pf);
 
 static const struct rte_pci_id pci_id_i40e_map[] = {
@@ -10197,6 +10198,22 @@  i40e_tunnel_filter_restore(struct i40e_pf *pf)
 	}
 }
 
+/* Restore hash filter */
+static void
+i40e_rss_hash_restore(struct i40e_pf *pf)
+{
+	struct i40e_hw *hw = I40E_PF_TO_HW(pf);
+	uint16_t reta_size = hw->func_caps.rss_table_size;
+
+	if (pf->hash.reta) {
+		/* Restore lut to HW */
+		i40e_set_rss_lut(pf->main_vsi, pf->hash.reta, reta_size);
+
+		/* Restore RSS configuration to HW */
+		i40e_hw_rss_hash_set(pf, &pf->hash.rss_conf);
+	}
+}
+
 static void
 i40e_filter_restore(struct i40e_pf *pf)
 {
@@ -10204,4 +10221,5 @@  i40e_filter_restore(struct i40e_pf *pf)
 	i40e_macvlan_filter_restore(pf);
 	i40e_tunnel_filter_restore(pf);
 	i40e_fdir_filter_restore(pf);
+	i40e_rss_hash_restore(pf);
 }