From mboxrd@z Thu Jan 1 00:00:00 1970 From: Huawei Xie Subject: [PATCH] lib/librte_pmd_i40e: i40e vlan filter set fix Date: Sun, 28 Sep 2014 13:49:12 +0800 Message-ID: <1411883352-22166-1-git-send-email-huawei.xie@intel.com> To: dev-VfR2kkLFssw@public.gmane.org Return-path: List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces-VfR2kkLFssw@public.gmane.org Sender: "dev" the right shift bits should be 5 rather than 4. vid_idx = (uint32_t) ((vlan_id >> 5 ) & 0x7F) Signed-off-by: Huawei Xie CC: Jing Chen CC: Helin Zhang --- 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