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* [PATCH] net/iavf: fix mask not allowed issue
@ 2022-05-16  2:03 Qiming Yang
  2022-05-18  4:45 ` Zhang, Qi Z
  0 siblings, 1 reply; 2+ messages in thread
From: Qiming Yang @ 2022-05-16  2:03 UTC (permalink / raw)
  To: dev, qi.z.zhang; +Cc: Qiming Yang, stable

Only zero-mask and full-mask for IPv4/UDP/TCP/SCTP addr/port
are supported in current code. Otherwise will return failure
when parse pattern.

Fixes: d5eb3e600d9e ("net/iavf: support flow director basic rule")
Cc: stable@dpdk.org

Signed-off-by: Qiming Yang <qiming.yang@intel.com>
---
 drivers/net/iavf/iavf_fdir.c | 150 +++++++++++++++++++++--------------
 1 file changed, 89 insertions(+), 61 deletions(-)

diff --git a/drivers/net/iavf/iavf_fdir.c b/drivers/net/iavf/iavf_fdir.c
index b63aaca91d..356bca8d41 100644
--- a/drivers/net/iavf/iavf_fdir.c
+++ b/drivers/net/iavf/iavf_fdir.c
@@ -802,6 +802,14 @@ iavf_fdir_parse_pattern(__rte_unused struct iavf_adapter *ad,
 				return -rte_errno;
 			}
 
+			/* Mask for IPv4 src/dst addrs not supported */
+			if (ipv4_mask->hdr.src_addr &&
+				ipv4_mask->hdr.src_addr != UINT32_MAX)
+				return -rte_errno;
+			if (ipv4_mask->hdr.dst_addr &&
+				ipv4_mask->hdr.dst_addr != UINT32_MAX)
+				return -rte_errno;
+
 			if (ipv4_last &&
 			    (ipv4_last->hdr.version_ihl ||
 			     ipv4_last->hdr.type_of_service ||
@@ -998,37 +1006,47 @@ iavf_fdir_parse_pattern(__rte_unused struct iavf_adapter *ad,
 
 			VIRTCHNL_SET_PROTO_HDR_TYPE(hdr, UDP);
 
-			if (udp_spec && udp_mask) {
-				if (udp_mask->hdr.dgram_len ||
-					udp_mask->hdr.dgram_cksum) {
-					rte_flow_error_set(error, EINVAL,
-						RTE_FLOW_ERROR_TYPE_ITEM, item,
-						"Invalid UDP mask");
-					return -rte_errno;
-				}
+			if (udp_spec && udp_mask)
+				break;
 
-				if (udp_mask->hdr.src_port == UINT16_MAX) {
-					input_set |= IAVF_INSET_UDP_SRC_PORT;
-					VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, UDP, SRC_PORT);
-				}
-				if (udp_mask->hdr.dst_port == UINT16_MAX) {
-					input_set |= IAVF_INSET_UDP_DST_PORT;
-					VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, UDP, DST_PORT);
-				}
+			if (udp_mask->hdr.dgram_len ||
+				udp_mask->hdr.dgram_cksum) {
+				rte_flow_error_set(error, EINVAL,
+					RTE_FLOW_ERROR_TYPE_ITEM, item,
+					"Invalid UDP mask");
+				return -rte_errno;
+			}
 
-				if (tun_inner) {
-					input_set &= ~IAVF_PROT_UDP_OUTER;
-					input_set |= IAVF_PROT_UDP_INNER;
-				}
+			/* Mask for UDP src/dst ports not supported */
+			if (udp_mask->hdr.src_port &&
+				udp_mask->hdr.src_port != UINT16_MAX)
+				return -rte_errno;
+			if (udp_mask->hdr.dst_port &&
+				udp_mask->hdr.dst_port != UINT16_MAX)
+				return -rte_errno;
 
-				if (l3 == RTE_FLOW_ITEM_TYPE_IPV4)
-					rte_memcpy(hdr->buffer,
-						&udp_spec->hdr,
-						sizeof(udp_spec->hdr));
-				else if (l3 == RTE_FLOW_ITEM_TYPE_IPV6)
-					rte_memcpy(hdr->buffer,
-						&udp_spec->hdr,
-						sizeof(udp_spec->hdr));
+			if (udp_mask->hdr.src_port == UINT16_MAX) {
+				input_set |= IAVF_INSET_UDP_SRC_PORT;
+				VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, UDP, SRC_PORT);
+			}
+			if (udp_mask->hdr.dst_port == UINT16_MAX) {
+				input_set |= IAVF_INSET_UDP_DST_PORT;
+				VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, UDP, DST_PORT);
+			}
+
+			if (tun_inner) {
+				input_set &= ~IAVF_PROT_UDP_OUTER;
+				input_set |= IAVF_PROT_UDP_INNER;
+			}
+
+			if (l3 == RTE_FLOW_ITEM_TYPE_IPV4) {
+				rte_memcpy(hdr->buffer,
+					&udp_spec->hdr,
+					sizeof(udp_spec->hdr));
+			} else if (l3 == RTE_FLOW_ITEM_TYPE_IPV6) {
+				rte_memcpy(hdr->buffer,
+					&udp_spec->hdr,
+					sizeof(udp_spec->hdr));
 			}
 
 			hdrs->count = ++layer;
@@ -1042,42 +1060,52 @@ iavf_fdir_parse_pattern(__rte_unused struct iavf_adapter *ad,
 
 			VIRTCHNL_SET_PROTO_HDR_TYPE(hdr, TCP);
 
-			if (tcp_spec && tcp_mask) {
-				if (tcp_mask->hdr.sent_seq ||
-					tcp_mask->hdr.recv_ack ||
-					tcp_mask->hdr.data_off ||
-					tcp_mask->hdr.tcp_flags ||
-					tcp_mask->hdr.rx_win ||
-					tcp_mask->hdr.cksum ||
-					tcp_mask->hdr.tcp_urp) {
-					rte_flow_error_set(error, EINVAL,
-						RTE_FLOW_ERROR_TYPE_ITEM, item,
-						"Invalid TCP mask");
-					return -rte_errno;
-				}
+			if (tcp_spec && tcp_mask)
+				break;
 
-				if (tcp_mask->hdr.src_port == UINT16_MAX) {
-					input_set |= IAVF_INSET_TCP_SRC_PORT;
-					VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, TCP, SRC_PORT);
-				}
-				if (tcp_mask->hdr.dst_port == UINT16_MAX) {
-					input_set |= IAVF_INSET_TCP_DST_PORT;
-					VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, TCP, DST_PORT);
-				}
+			if (tcp_mask->hdr.sent_seq ||
+				tcp_mask->hdr.recv_ack ||
+				tcp_mask->hdr.data_off ||
+				tcp_mask->hdr.tcp_flags ||
+				tcp_mask->hdr.rx_win ||
+				tcp_mask->hdr.cksum ||
+				tcp_mask->hdr.tcp_urp) {
+				rte_flow_error_set(error, EINVAL,
+					RTE_FLOW_ERROR_TYPE_ITEM, item,
+					"Invalid TCP mask");
+				return -rte_errno;
+			}
 
-				if (tun_inner) {
-					input_set &= ~IAVF_PROT_TCP_OUTER;
-					input_set |= IAVF_PROT_TCP_INNER;
-				}
+			/* Mask for TCP src/dst ports not supported */
+			if (tcp_mask->hdr.src_port &&
+				tcp_mask->hdr.src_port != UINT16_MAX)
+				return -rte_errno;
+			if (tcp_mask->hdr.dst_port &&
+				tcp_mask->hdr.dst_port != UINT16_MAX)
+				return -rte_errno;
 
-				if (l3 == RTE_FLOW_ITEM_TYPE_IPV4)
-					rte_memcpy(hdr->buffer,
-						&tcp_spec->hdr,
-						sizeof(tcp_spec->hdr));
-				else if (l3 == RTE_FLOW_ITEM_TYPE_IPV6)
-					rte_memcpy(hdr->buffer,
-						&tcp_spec->hdr,
-						sizeof(tcp_spec->hdr));
+			if (tcp_mask->hdr.src_port == UINT16_MAX) {
+				input_set |= IAVF_INSET_TCP_SRC_PORT;
+				VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, TCP, SRC_PORT);
+			}
+			if (tcp_mask->hdr.dst_port == UINT16_MAX) {
+				input_set |= IAVF_INSET_TCP_DST_PORT;
+				VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, TCP, DST_PORT);
+			}
+
+			if (tun_inner) {
+				input_set &= ~IAVF_PROT_TCP_OUTER;
+				input_set |= IAVF_PROT_TCP_INNER;
+			}
+
+			if (l3 == RTE_FLOW_ITEM_TYPE_IPV4) {
+				rte_memcpy(hdr->buffer,
+					&tcp_spec->hdr,
+					sizeof(tcp_spec->hdr));
+			} else if (l3 == RTE_FLOW_ITEM_TYPE_IPV6) {
+				rte_memcpy(hdr->buffer,
+					&tcp_spec->hdr,
+					sizeof(tcp_spec->hdr));
 			}
 
 			hdrs->count = ++layer;
-- 
2.25.1


^ permalink raw reply	[flat|nested] 2+ messages in thread

* RE: [PATCH] net/iavf: fix mask not allowed issue
  2022-05-16  2:03 [PATCH] net/iavf: fix mask not allowed issue Qiming Yang
@ 2022-05-18  4:45 ` Zhang, Qi Z
  0 siblings, 0 replies; 2+ messages in thread
From: Zhang, Qi Z @ 2022-05-18  4:45 UTC (permalink / raw)
  To: Yang, Qiming, dev; +Cc: stable



> -----Original Message-----
> From: Yang, Qiming <qiming.yang@intel.com>
> Sent: Monday, May 16, 2022 10:03 AM
> To: dev@dpdk.org; Zhang, Qi Z <qi.z.zhang@intel.com>
> Cc: Yang, Qiming <qiming.yang@intel.com>; stable@dpdk.org
> Subject: [PATCH] net/iavf: fix mask not allowed issue
> 

How about "fix invalid flow mask handling"

> Only zero-mask and full-mask for IPv4/UDP/TCP/SCTP addr/port are supported
> in current code. Otherwise will return failure when parse pattern.
> 
> Fixes: d5eb3e600d9e ("net/iavf: support flow director basic rule")
> Cc: stable@dpdk.org
> 
> Signed-off-by: Qiming Yang <qiming.yang@intel.com>
> ---
>  drivers/net/iavf/iavf_fdir.c | 150 +++++++++++++++++++++--------------
>  1 file changed, 89 insertions(+), 61 deletions(-)
> 
> diff --git a/drivers/net/iavf/iavf_fdir.c b/drivers/net/iavf/iavf_fdir.c index
> b63aaca91d..356bca8d41 100644
> --- a/drivers/net/iavf/iavf_fdir.c
> +++ b/drivers/net/iavf/iavf_fdir.c
> @@ -802,6 +802,14 @@ iavf_fdir_parse_pattern(__rte_unused struct
> iavf_adapter *ad,
>  				return -rte_errno;
>  			}
> 
> +			/* Mask for IPv4 src/dst addrs not supported */
> +			if (ipv4_mask->hdr.src_addr &&
> +				ipv4_mask->hdr.src_addr != UINT32_MAX)
> +				return -rte_errno;
> +			if (ipv4_mask->hdr.dst_addr &&
> +				ipv4_mask->hdr.dst_addr != UINT32_MAX)
> +				return -rte_errno;

Do we need to call rte_flow_error_set before return -rte_errno?


^ permalink raw reply	[flat|nested] 2+ messages in thread

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