[dpdk-dev] [PATCH] lib/librte_pmd_i40e: i40e vlan filter set fix

[Huawei Xie]

the right shift bits should be 5 rather than 4.
    vid_idx = (uint32_t) ((vlan_id >> 5 ) & 0x7F)

Signed-off-by: Huawei Xie <huawei.xie at intel.com>
CC: Jing Chen <jing.d.chen at intel.com>
CC: Helin Zhang <helin.zhang at intel.com>

---
 lib/librte_pmd_i40e/i40e_ethdev.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/lib/librte_pmd_i40e/i40e_ethdev.c 
b/lib/librte_pmd_i40e/i40e_ethdev.c
index 9009bd4..9c9d831 100644
--- a/lib/librte_pmd_i40e/i40e_ethdev.c
+++ b/lib/librte_pmd_i40e/i40e_ethdev.c
@@ -3786,14 +3786,11 @@ i40e_set_vlan_filter(struct i40e_vsi *vsi,
 {
        uint32_t vid_idx, vid_bit;

-#define UINT32_BIT_MASK      0x1F
-#define VALID_VLAN_BIT_MASK  0xFFF
        /* VFTA is 32-bits size array, each element contains 32 vlan bits, Find 
the
         *  element first, then find the bits it belongs to
         */
-       vid_idx = (uint32_t) ((vlan_id & VALID_VLAN_BIT_MASK) >>
-                 sizeof(uint32_t));
-       vid_bit = (uint32_t) (1 << (vlan_id & UINT32_BIT_MASK));
+       vid_idx = (uint32_t) ((vlan_id >> 5 ) & 0x7F);
+       vid_bit = (uint32_t) (1 << (vlan_id & 0x1F));

        if (on)
                vsi->vfta[vid_idx] |= vid_bit;
-- 
1.8.1.4