[dpdk-dev] [PATCH v1 3/4] net/iavf: support RSS hash for IP fragment
Jeff Guo
jia.guo at intel.com
Wed Mar 17 04:12:10 CET 2021
New pattern and RSS hash flow parsing are added to handle fragmented
IPv4/IPv6 packet.
Signed-off-by: Ting Xu <ting.xu at intel.com>
Signed-off-by: Jeff Guo <jia.guo at intel.com>
---
drivers/net/iavf/iavf_generic_flow.c | 24 ++++++++++++++++++++
drivers/net/iavf/iavf_generic_flow.h | 3 +++
drivers/net/iavf/iavf_hash.c | 33 +++++++++++++++++++++++-----
3 files changed, 54 insertions(+), 6 deletions(-)
diff --git a/drivers/net/iavf/iavf_generic_flow.c b/drivers/net/iavf/iavf_generic_flow.c
index 8635ff83ca..242bb4abc5 100644
--- a/drivers/net/iavf/iavf_generic_flow.c
+++ b/drivers/net/iavf/iavf_generic_flow.c
@@ -219,6 +219,30 @@ enum rte_flow_item_type iavf_pattern_eth_qinq_ipv6[] = {
RTE_FLOW_ITEM_TYPE_END,
};
+enum rte_flow_item_type iavf_pattern_eth_ipv6_frag_ext[] = {
+ RTE_FLOW_ITEM_TYPE_ETH,
+ RTE_FLOW_ITEM_TYPE_IPV6,
+ RTE_FLOW_ITEM_TYPE_IPV6_FRAG_EXT,
+ RTE_FLOW_ITEM_TYPE_END,
+};
+
+enum rte_flow_item_type iavf_pattern_eth_vlan_ipv6_frag_ext[] = {
+ RTE_FLOW_ITEM_TYPE_ETH,
+ RTE_FLOW_ITEM_TYPE_VLAN,
+ RTE_FLOW_ITEM_TYPE_IPV6,
+ RTE_FLOW_ITEM_TYPE_IPV6_FRAG_EXT,
+ RTE_FLOW_ITEM_TYPE_END,
+};
+
+enum rte_flow_item_type iavf_pattern_eth_qinq_ipv6_frag_ext[] = {
+ RTE_FLOW_ITEM_TYPE_ETH,
+ RTE_FLOW_ITEM_TYPE_VLAN,
+ RTE_FLOW_ITEM_TYPE_VLAN,
+ RTE_FLOW_ITEM_TYPE_IPV6,
+ RTE_FLOW_ITEM_TYPE_IPV6_FRAG_EXT,
+ RTE_FLOW_ITEM_TYPE_END,
+};
+
enum rte_flow_item_type iavf_pattern_eth_ipv6_udp[] = {
RTE_FLOW_ITEM_TYPE_ETH,
RTE_FLOW_ITEM_TYPE_IPV6,
diff --git a/drivers/net/iavf/iavf_generic_flow.h b/drivers/net/iavf/iavf_generic_flow.h
index 0ccf5901b4..ce3d12bcd9 100644
--- a/drivers/net/iavf/iavf_generic_flow.h
+++ b/drivers/net/iavf/iavf_generic_flow.h
@@ -172,6 +172,9 @@ extern enum rte_flow_item_type iavf_pattern_eth_qinq_ipv4_icmp[];
extern enum rte_flow_item_type iavf_pattern_eth_ipv6[];
extern enum rte_flow_item_type iavf_pattern_eth_vlan_ipv6[];
extern enum rte_flow_item_type iavf_pattern_eth_qinq_ipv6[];
+extern enum rte_flow_item_type iavf_pattern_eth_ipv6_frag_ext[];
+extern enum rte_flow_item_type iavf_pattern_eth_vlan_ipv6_frag_ext[];
+extern enum rte_flow_item_type iavf_pattern_eth_qinq_ipv6_frag_ext[];
extern enum rte_flow_item_type iavf_pattern_eth_ipv6_udp[];
extern enum rte_flow_item_type iavf_pattern_eth_vlan_ipv6_udp[];
extern enum rte_flow_item_type iavf_pattern_eth_qinq_ipv6_udp[];
diff --git a/drivers/net/iavf/iavf_hash.c b/drivers/net/iavf/iavf_hash.c
index d8d22f8009..d46529c61e 100644
--- a/drivers/net/iavf/iavf_hash.c
+++ b/drivers/net/iavf/iavf_hash.c
@@ -112,6 +112,10 @@ iavf_hash_parse_pattern_action(struct iavf_adapter *ad,
FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_SRC) | \
FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_DST), {BUFF_NOUSED} }
+#define proto_hdr_ipv6_frag { \
+ VIRTCHNL_PROTO_HDR_IPV6_EH_FRAG, \
+ FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_PKID), {BUFF_NOUSED} }
+
#define proto_hdr_ipv6_with_prot { \
VIRTCHNL_PROTO_HDR_IPV6, \
FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_SRC) | \
@@ -190,6 +194,12 @@ struct virtchnl_proto_hdrs outer_ipv6_tmplt = {
{proto_hdr_eth, proto_hdr_svlan, proto_hdr_cvlan, proto_hdr_ipv6}
};
+struct virtchnl_proto_hdrs outer_ipv6_frag_tmplt = {
+ TUNNEL_LEVEL_OUTER, 5,
+ {proto_hdr_eth, proto_hdr_svlan, proto_hdr_cvlan,
+ proto_hdr_ipv6, proto_hdr_ipv6_frag}
+};
+
struct virtchnl_proto_hdrs outer_ipv6_udp_tmplt = {
TUNNEL_LEVEL_OUTER, 5,
{proto_hdr_eth, proto_hdr_svlan, proto_hdr_cvlan,
@@ -303,7 +313,8 @@ struct virtchnl_proto_hdrs ipv4_ecpri_tmplt = {
/* rss type super set */
/* IPv4 outer */
-#define IAVF_RSS_TYPE_OUTER_IPV4 (ETH_RSS_ETH | ETH_RSS_IPV4)
+#define IAVF_RSS_TYPE_OUTER_IPV4 (ETH_RSS_ETH | ETH_RSS_IPV4 | \
+ ETH_RSS_FRAG_IPV4)
#define IAVF_RSS_TYPE_OUTER_IPV4_UDP (IAVF_RSS_TYPE_OUTER_IPV4 | \
ETH_RSS_NONFRAG_IPV4_UDP)
#define IAVF_RSS_TYPE_OUTER_IPV4_TCP (IAVF_RSS_TYPE_OUTER_IPV4 | \
@@ -312,6 +323,8 @@ struct virtchnl_proto_hdrs ipv4_ecpri_tmplt = {
ETH_RSS_NONFRAG_IPV4_SCTP)
/* IPv6 outer */
#define IAVF_RSS_TYPE_OUTER_IPV6 (ETH_RSS_ETH | ETH_RSS_IPV6)
+#define IAVF_RSS_TYPE_OUTER_IPV6_FRAG (IAVF_RSS_TYPE_OUTER_IPV6 | \
+ ETH_RSS_FRAG_IPV6)
#define IAVF_RSS_TYPE_OUTER_IPV6_UDP (IAVF_RSS_TYPE_OUTER_IPV6 | \
ETH_RSS_NONFRAG_IPV6_UDP)
#define IAVF_RSS_TYPE_OUTER_IPV6_TCP (IAVF_RSS_TYPE_OUTER_IPV6 | \
@@ -330,6 +343,8 @@ struct virtchnl_proto_hdrs ipv4_ecpri_tmplt = {
/* VLAN IPv6 */
#define IAVF_RSS_TYPE_VLAN_IPV6 (IAVF_RSS_TYPE_OUTER_IPV6 | \
ETH_RSS_S_VLAN | ETH_RSS_C_VLAN)
+#define IAVF_RSS_TYPE_VLAN_IPV6_FRAG (IAVF_RSS_TYPE_OUTER_IPV6_FRAG | \
+ ETH_RSS_S_VLAN | ETH_RSS_C_VLAN)
#define IAVF_RSS_TYPE_VLAN_IPV6_UDP (IAVF_RSS_TYPE_OUTER_IPV6_UDP | \
ETH_RSS_S_VLAN | ETH_RSS_C_VLAN)
#define IAVF_RSS_TYPE_VLAN_IPV6_TCP (IAVF_RSS_TYPE_OUTER_IPV6_TCP | \
@@ -415,10 +430,12 @@ static struct iavf_pattern_match_item iavf_hash_pattern_list[] = {
{iavf_pattern_eth_ipv4_ecpri, ETH_RSS_ECPRI, &ipv4_ecpri_tmplt},
/* IPv6 */
{iavf_pattern_eth_ipv6, IAVF_RSS_TYPE_OUTER_IPV6, &outer_ipv6_tmplt},
+ {iavf_pattern_eth_ipv6_frag_ext, IAVF_RSS_TYPE_OUTER_IPV6_FRAG, &outer_ipv6_frag_tmplt},
{iavf_pattern_eth_ipv6_udp, IAVF_RSS_TYPE_OUTER_IPV6_UDP, &outer_ipv6_udp_tmplt},
{iavf_pattern_eth_ipv6_tcp, IAVF_RSS_TYPE_OUTER_IPV6_TCP, &outer_ipv6_tcp_tmplt},
{iavf_pattern_eth_ipv6_sctp, IAVF_RSS_TYPE_OUTER_IPV6_SCTP, &outer_ipv6_sctp_tmplt},
{iavf_pattern_eth_vlan_ipv6, IAVF_RSS_TYPE_VLAN_IPV6, &outer_ipv6_tmplt},
+ {iavf_pattern_eth_vlan_ipv6_frag_ext, IAVF_RSS_TYPE_OUTER_IPV6_FRAG, &outer_ipv6_frag_tmplt},
{iavf_pattern_eth_vlan_ipv6_udp, IAVF_RSS_TYPE_VLAN_IPV6_UDP, &outer_ipv6_udp_tmplt},
{iavf_pattern_eth_vlan_ipv6_tcp, IAVF_RSS_TYPE_VLAN_IPV6_TCP, &outer_ipv6_tcp_tmplt},
{iavf_pattern_eth_vlan_ipv6_sctp, IAVF_RSS_TYPE_VLAN_IPV6_SCTP, &outer_ipv6_sctp_tmplt},
@@ -647,11 +664,13 @@ iavf_refine_proto_hdrs_l234(struct virtchnl_proto_hdrs *proto_hdrs,
break;
case VIRTCHNL_PROTO_HDR_IPV4:
if (rss_type &
- (ETH_RSS_IPV4 |
+ (ETH_RSS_IPV4 | ETH_RSS_FRAG_IPV4 |
ETH_RSS_NONFRAG_IPV4_UDP |
ETH_RSS_NONFRAG_IPV4_TCP |
ETH_RSS_NONFRAG_IPV4_SCTP)) {
- if (rss_type & ETH_RSS_L3_SRC_ONLY) {
+ if (rss_type & ETH_RSS_FRAG_IPV4) {
+ REFINE_PROTO_FLD(ADD, IPV4_PKID);
+ } else if (rss_type & ETH_RSS_L3_SRC_ONLY) {
REFINE_PROTO_FLD(DEL, IPV4_DST);
} else if (rss_type & ETH_RSS_L3_DST_ONLY) {
REFINE_PROTO_FLD(DEL, IPV4_SRC);
@@ -667,7 +686,7 @@ iavf_refine_proto_hdrs_l234(struct virtchnl_proto_hdrs *proto_hdrs,
break;
case VIRTCHNL_PROTO_HDR_IPV6:
if (rss_type &
- (ETH_RSS_IPV6 |
+ (ETH_RSS_IPV6 | ETH_RSS_FRAG_IPV6 |
ETH_RSS_NONFRAG_IPV6_UDP |
ETH_RSS_NONFRAG_IPV6_TCP |
ETH_RSS_NONFRAG_IPV6_SCTP)) {
@@ -885,8 +904,10 @@ struct rss_attr_type {
ETH_RSS_NONFRAG_IPV6_TCP | \
ETH_RSS_NONFRAG_IPV6_SCTP)
-#define VALID_RSS_IPV4 (ETH_RSS_IPV4 | VALID_RSS_IPV4_L4)
-#define VALID_RSS_IPV6 (ETH_RSS_IPV6 | VALID_RSS_IPV6_L4)
+#define VALID_RSS_IPV4 (ETH_RSS_IPV4 | ETH_RSS_FRAG_IPV4 | \
+ VALID_RSS_IPV4_L4)
+#define VALID_RSS_IPV6 (ETH_RSS_IPV6 | ETH_RSS_FRAG_IPV6 | \
+ VALID_RSS_IPV6_L4)
#define VALID_RSS_L3 (VALID_RSS_IPV4 | VALID_RSS_IPV6)
#define VALID_RSS_L4 (VALID_RSS_IPV4_L4 | VALID_RSS_IPV6_L4)
--
2.20.1
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