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path: root/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c
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Diffstat (limited to 'drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c')
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c19
1 files changed, 11 insertions, 8 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c
index ed34ca3..e3e4ded 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c
@@ -105,14 +105,17 @@ static int hclge_get_ring_chain_from_mbx(
struct hnae3_ring_chain_node *ring_chain,
struct hclge_vport *vport)
{
-#define HCLGE_RING_NODE_VARIABLE_NUM 3
-#define HCLGE_RING_MAP_MBX_BASIC_MSG_NUM 3
struct hnae3_ring_chain_node *cur_chain, *new_chain;
int ring_num;
int i;
ring_num = req->msg[2];
+ if (ring_num > ((HCLGE_MBX_VF_MSG_DATA_NUM -
+ HCLGE_MBX_RING_MAP_BASIC_MSG_NUM) /
+ HCLGE_MBX_RING_NODE_VARIABLE_NUM))
+ return -ENOMEM;
+
hnae_set_bit(ring_chain->flag, HNAE3_RING_TYPE_B, req->msg[3]);
ring_chain->tqp_index =
hclge_get_queue_id(vport->nic.kinfo.tqp[req->msg[4]]);
@@ -128,18 +131,18 @@ static int hclge_get_ring_chain_from_mbx(
goto err;
hnae_set_bit(new_chain->flag, HNAE3_RING_TYPE_B,
- req->msg[HCLGE_RING_NODE_VARIABLE_NUM * i +
- HCLGE_RING_MAP_MBX_BASIC_MSG_NUM]);
+ req->msg[HCLGE_MBX_RING_NODE_VARIABLE_NUM * i +
+ HCLGE_MBX_RING_MAP_BASIC_MSG_NUM]);
new_chain->tqp_index =
hclge_get_queue_id(vport->nic.kinfo.tqp
- [req->msg[HCLGE_RING_NODE_VARIABLE_NUM * i +
- HCLGE_RING_MAP_MBX_BASIC_MSG_NUM + 1]]);
+ [req->msg[HCLGE_MBX_RING_NODE_VARIABLE_NUM * i +
+ HCLGE_MBX_RING_MAP_BASIC_MSG_NUM + 1]]);
hnae_set_field(new_chain->int_gl_idx, HCLGE_INT_GL_IDX_M,
HCLGE_INT_GL_IDX_S,
- req->msg[HCLGE_RING_NODE_VARIABLE_NUM * i +
- HCLGE_RING_MAP_MBX_BASIC_MSG_NUM + 2]);
+ req->msg[HCLGE_MBX_RING_NODE_VARIABLE_NUM * i +
+ HCLGE_MBX_RING_MAP_BASIC_MSG_NUM + 2]);
cur_chain->next = new_chain;
cur_chain = new_chain;
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