From: Jingjing Wu <jingjing.wu@intel.com>
Date: Wed, 4 Nov 2015 03:29:10 +0000 (+0800)
Subject: i40e: extend flow director to support VF
X-Git-Tag: spdx-start~8134
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=88ebc2b7f976;p=dpdk.git

i40e: extend flow director to support VF

This patch extends flow director to filtering in VFs.

Signed-off-by: Jingjing Wu <jingjing.wu@intel.com>
---

diff --git a/doc/guides/rel_notes/release_2_2.rst b/doc/guides/rel_notes/release_2_2.rst
index 76a1640355..0c7abe995a 100644
--- a/doc/guides/rel_notes/release_2_2.rst
+++ b/doc/guides/rel_notes/release_2_2.rst
@@ -55,6 +55,8 @@ New Features
 
 * **Added different GRE key length for input set on Intel X710/XL710.**
 
+* **Added flow director support in i40e VF.**
+
 * **Added fm10k vector RX/TX.**
 
 * **Added fm10k TSO support for both PF and VF.**
diff --git a/drivers/net/i40e/i40e_fdir.c b/drivers/net/i40e/i40e_fdir.c
index ba18c9d77c..0b45bd90fb 100644
--- a/drivers/net/i40e/i40e_fdir.c
+++ b/drivers/net/i40e/i40e_fdir.c
@@ -1022,6 +1022,11 @@ i40e_add_del_fdir_filter(struct rte_eth_dev *dev,
 		PMD_DRV_LOG(ERR, "Invalid queue ID");
 		return -EINVAL;
 	}
+	if (filter->input.flow_ext.is_vf &&
+		filter->input.flow_ext.dst_id >= pf->vf_num) {
+		PMD_DRV_LOG(ERR, "Invalid VF ID");
+		return -EINVAL;
+	}
 
 	memset(pkt, 0, I40E_FDIR_PKT_LEN);
 
@@ -1061,7 +1066,7 @@ i40e_fdir_filter_programming(struct i40e_pf *pf,
 	volatile struct i40e_tx_desc *txdp;
 	volatile struct i40e_filter_program_desc *fdirdp;
 	uint32_t td_cmd;
-	uint16_t i;
+	uint16_t vsi_id, i;
 	uint8_t dest;
 
 	PMD_DRV_LOG(INFO, "filling filter programming descriptor.");
@@ -1083,9 +1088,13 @@ i40e_fdir_filter_programming(struct i40e_pf *pf,
 					  I40E_TXD_FLTR_QW0_PCTYPE_SHIFT) &
 					  I40E_TXD_FLTR_QW0_PCTYPE_MASK);
 
-	/* Use LAN VSI Id by default */
+	if (filter->input.flow_ext.is_vf)
+		vsi_id = pf->vfs[filter->input.flow_ext.dst_id].vsi->vsi_id;
+	else
+		/* Use LAN VSI Id by default */
+		vsi_id = pf->main_vsi->vsi_id;
 	fdirdp->qindex_flex_ptype_vsi |=
-		rte_cpu_to_le_32((pf->main_vsi->vsi_id <<
+		rte_cpu_to_le_32((vsi_id <<
 				  I40E_TXD_FLTR_QW0_DEST_VSI_SHIFT) &
 				  I40E_TXD_FLTR_QW0_DEST_VSI_MASK);