[PATCH v1] net/iavf: fix pattern check for flow director parser
Steve Yang
stevex.yang at intel.com
Wed Aug 10 08:47:51 CEST 2022
FDIR rules with masks are not supported in current code. Thus add
pattern check for IPv4/UDP/TCP/SCTP addr/port to terminate the FDIR
programming stage.
Fixes: d5eb3e600d9e ("net/iavf: support flow director basic rule")
Cc: stable at dpdk.org
Signed-off-by: Steve Yang <stevex.yang at intel.com>
---
drivers/net/iavf/iavf_fdir.c | 32 ++++++++++++++++++++++++++++++++
1 file changed, 32 insertions(+)
diff --git a/drivers/net/iavf/iavf_fdir.c b/drivers/net/iavf/iavf_fdir.c
index 2e6b3a9097..a397047fdb 100644
--- a/drivers/net/iavf/iavf_fdir.c
+++ b/drivers/net/iavf/iavf_fdir.c
@@ -932,6 +932,14 @@ 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_mask->hdr.type_of_service ==
UINT8_MAX) {
input_set |= IAVF_INSET_IPV4_TOS;
@@ -1122,6 +1130,14 @@ iavf_fdir_parse_pattern(__rte_unused struct iavf_adapter *ad,
return -rte_errno;
}
+ /* 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 (udp_mask->hdr.src_port == UINT16_MAX) {
input_set |= IAVF_INSET_UDP_SRC_PORT;
VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, UDP, SRC_PORT);
@@ -1171,6 +1187,14 @@ iavf_fdir_parse_pattern(__rte_unused struct iavf_adapter *ad,
return -rte_errno;
}
+ /* 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 (tcp_mask->hdr.src_port == UINT16_MAX) {
input_set |= IAVF_INSET_TCP_SRC_PORT;
VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, TCP, SRC_PORT);
@@ -1214,6 +1238,14 @@ iavf_fdir_parse_pattern(__rte_unused struct iavf_adapter *ad,
return -rte_errno;
}
+ /* Mask for SCTP src/dst ports not supported */
+ if (sctp_mask->hdr.src_port &&
+ sctp_mask->hdr.src_port != UINT16_MAX)
+ return -rte_errno;
+ if (sctp_mask->hdr.dst_port &&
+ sctp_mask->hdr.dst_port != UINT16_MAX)
+ return -rte_errno;
+
if (sctp_mask->hdr.src_port == UINT16_MAX) {
input_set |= IAVF_INSET_SCTP_SRC_PORT;
VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, SCTP, SRC_PORT);
--
2.25.1
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