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path: root/drivers/net/ethernet/microchip/vcap
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Diffstat (limited to 'drivers/net/ethernet/microchip/vcap')
-rw-r--r--drivers/net/ethernet/microchip/vcap/vcap_api.c11
1 files changed, 5 insertions, 6 deletions
diff --git a/drivers/net/ethernet/microchip/vcap/vcap_api.c b/drivers/net/ethernet/microchip/vcap/vcap_api.c
index 68e04d47f6fd..4847d0d99ec9 100644
--- a/drivers/net/ethernet/microchip/vcap/vcap_api.c
+++ b/drivers/net/ethernet/microchip/vcap/vcap_api.c
@@ -1649,10 +1649,8 @@ bool vcap_is_next_lookup(struct vcap_control *vctrl, int src_cid, int dst_cid)
if (vcap_api_check(vctrl))
return false;
- /* The offset must be at least one lookup, round up */
- next_cid = src_cid + VCAP_CID_LOOKUP_SIZE;
- next_cid /= VCAP_CID_LOOKUP_SIZE;
- next_cid *= VCAP_CID_LOOKUP_SIZE;
+ /* The offset must be at least one lookup so round up one chain */
+ next_cid = roundup(src_cid + 1, VCAP_CID_LOOKUP_SIZE);
if (dst_cid < next_cid)
return false;
@@ -2177,12 +2175,13 @@ static int vcap_get_next_chain(struct vcap_control *vctrl,
static bool vcap_path_exist(struct vcap_control *vctrl, struct net_device *ndev,
int dst_cid)
{
+ int cid = rounddown(dst_cid, VCAP_CID_LOOKUP_SIZE);
struct vcap_enabled_port *eport = NULL;
struct vcap_enabled_port *elem;
struct vcap_admin *admin;
int tmp;
- if (dst_cid == 0) /* Chain zero is always available */
+ if (cid == 0) /* Chain zero is always available */
return true;
/* Find first entry that starts from chain 0*/
@@ -2201,7 +2200,7 @@ static bool vcap_path_exist(struct vcap_control *vctrl, struct net_device *ndev,
return false;
tmp = eport->dst_cid;
- while (tmp != dst_cid && tmp != 0)
+ while (tmp != cid && tmp != 0)
tmp = vcap_get_next_chain(vctrl, ndev, tmp);
return !!tmp;