[dpdk-dev] [PATCH v3 1/2] lib/librte_pmd_i40e: set vlan id filter fix
Huawei Xie
huawei.xie at intel.com
Tue Nov 25 08:28:56 CET 2014
">> 5" rather than ">> 4"
Signed-off-by: Huawei Xie <huawei.xie 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 dacf2db..518597f 100644
--- a/lib/librte_pmd_i40e/i40e_ethdev.c
+++ b/lib/librte_pmd_i40e/i40e_ethdev.c
@@ -4172,14 +4172,11 @@ 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
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