> -----Original Message-----
> From: dev [mailto:dev-boun...@dpdk.org] On Behalf Of Wei Zhao
> Sent: Friday, December 1, 2017 4:47 PM
> To: dev@dpdk.org
> Cc: Lu, Wenzhuo <wenzhuo...@intel.com>; Xing, Beilei
> <beilei.x...@intel.com>; Zhao1, Wei <wei.zh...@intel.com>
> Subject: [dpdk-dev] [PATCH] net/i40e: add fdir nvgre parameters check
>
> Add mask parameters check in nvgre parser for flow API.
>
> Fixes: 30965ca341278 ("net/i40e: add NVGRE flow parsing")
>
> Signed-off-by: Wei Zhao <wei.zh...@intel.com>
> ---
> drivers/net/i40e/i40e_flow.c | 35 +++++++++++++++++++++++++++++++++++
> 1 file changed, 35 insertions(+)
>
> diff --git a/drivers/net/i40e/i40e_flow.c b/drivers/net/i40e/i40e_flow.c index
> 7e4936e..05e54f1 100644
> --- a/drivers/net/i40e/i40e_flow.c
> +++ b/drivers/net/i40e/i40e_flow.c
> @@ -3610,6 +3610,41 @@ i40e_flow_parse_nvgre_pattern(__rte_unused
> struct rte_eth_dev *dev,
> "Invalid TNI mask");
> return -rte_errno;
> }
> + if (nvgre_mask->protocol &&
> + nvgre_mask->protocol != 0xFFFF) {
> + rte_flow_error_set(error, EINVAL,
> + RTE_FLOW_ERROR_TYPE_ITEM,
> + item,
> + "Invalid NVGRE item");
> + return -rte_errno;
> + }
> + if (nvgre_mask->c_k_s_rsvd0_ver &&
> + nvgre_mask->c_k_s_rsvd0_ver !=
> + rte_cpu_to_be_16(0x3000)) {
If " c_k_s_rsvd0_ver must have value 0x2000 according to RFC 7637" , I think
here we
should have mask 0xffff to make sure each bit of c_k_s_rsvd0_ver be set
correctly.
Regards
Qi
> + rte_flow_error_set(error, EINVAL,
> + RTE_FLOW_ERROR_TYPE_ITEM,
> + item,
> + "Invalid NVGRE item");
> + return -rte_errno;
> + }
> + if (nvgre_spec->c_k_s_rsvd0_ver !=
> + rte_cpu_to_be_16(0x2000) &&
> + nvgre_mask->c_k_s_rsvd0_ver) {
> + rte_flow_error_set(error, EINVAL,
> + RTE_FLOW_ERROR_TYPE_ITEM,
> + item,
> + "Invalid NVGRE item");
> + return -rte_errno;
> + }
> + if (nvgre_mask->protocol &&
> + nvgre_spec->protocol !=
> + rte_cpu_to_be_16(0x6558)) {
> + rte_flow_error_set(error, EINVAL,
> + RTE_FLOW_ERROR_TYPE_ITEM,
> + item,
> + "Invalid NVGRE item");
> + return -rte_errno;
> + }
> rte_memcpy(((uint8_t *)&tenant_id_be + 1),
> nvgre_spec->tni, 3);
> filter->tenant_id =
> --
> 2.9.3
