[dpdk-dev] [PATCH v3 3/4] net/iavf: support RSS hash for IP fragment
Jeff Guo
jia.guo at intel.com
Sun Apr 11 08:01:43 CEST 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 | 83 ++++++++++++++++++++++++----
3 files changed, 100 insertions(+), 10 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 005eeb3553..32932557ca 100644
--- a/drivers/net/iavf/iavf_generic_flow.h
+++ b/drivers/net/iavf/iavf_generic_flow.h
@@ -203,6 +203,9 @@ 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..5d3d62839b 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_EH_FRAG_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},
@@ -626,6 +643,29 @@ do { \
REFINE_PROTO_FLD(ADD, fld_2); \
} while (0)
+static void
+iavf_hash_add_fragment_hdr(struct virtchnl_proto_hdrs *hdrs, int layer)
+{
+ struct virtchnl_proto_hdr *hdr1;
+ struct virtchnl_proto_hdr *hdr2;
+ int i;
+
+ if (layer < 0 || layer > hdrs->count)
+ return;
+
+ /* shift headers layer */
+ for (i = hdrs->count; i >= layer; i--) {
+ hdr1 = &hdrs->proto_hdr[i];
+ hdr2 = &hdrs->proto_hdr[i - 1];
+ *hdr1 = *hdr2;
+ }
+
+ /* adding dummy fragment header */
+ hdr1 = &hdrs->proto_hdr[layer];
+ VIRTCHNL_SET_PROTO_HDR_TYPE(hdr1, IPV4_FRAG);
+ hdrs->count = ++layer;
+}
+
/* refine proto hdrs base on l2, l3, l4 rss type */
static void
iavf_refine_proto_hdrs_l234(struct virtchnl_proto_hdrs *proto_hdrs,
@@ -647,17 +687,19 @@ 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) {
+ iavf_hash_add_fragment_hdr(proto_hdrs, i + 1);
+ } 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);
} else if (rss_type &
- (ETH_RSS_L4_SRC_ONLY |
- ETH_RSS_L4_DST_ONLY)) {
+ (ETH_RSS_L4_SRC_ONLY |
+ ETH_RSS_L4_DST_ONLY)) {
REFINE_PROTO_FLD(DEL, IPV4_DST);
REFINE_PROTO_FLD(DEL, IPV4_SRC);
}
@@ -665,9 +707,21 @@ iavf_refine_proto_hdrs_l234(struct virtchnl_proto_hdrs *proto_hdrs,
hdr->field_selector = 0;
}
break;
+ case VIRTCHNL_PROTO_HDR_IPV4_FRAG:
+ if (rss_type &
+ (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_FRAG_IPV4)
+ REFINE_PROTO_FLD(ADD, IPV4_FRAG_PKID);
+ } else {
+ hdr->field_selector = 0;
+ }
+ 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)) {
@@ -676,8 +730,8 @@ iavf_refine_proto_hdrs_l234(struct virtchnl_proto_hdrs *proto_hdrs,
} else if (rss_type & ETH_RSS_L3_DST_ONLY) {
REFINE_PROTO_FLD(DEL, IPV6_SRC);
} else if (rss_type &
- (ETH_RSS_L4_SRC_ONLY |
- ETH_RSS_L4_DST_ONLY)) {
+ (ETH_RSS_L4_SRC_ONLY |
+ ETH_RSS_L4_DST_ONLY)) {
REFINE_PROTO_FLD(DEL, IPV6_DST);
REFINE_PROTO_FLD(DEL, IPV6_SRC);
}
@@ -692,6 +746,13 @@ iavf_refine_proto_hdrs_l234(struct virtchnl_proto_hdrs *proto_hdrs,
REPALCE_PROTO_FLD(IPV6_DST,
IPV6_PREFIX64_DST);
}
+ break;
+ case VIRTCHNL_PROTO_HDR_IPV6_EH_FRAG:
+ if (rss_type & ETH_RSS_FRAG_IPV6)
+ REFINE_PROTO_FLD(ADD, IPV6_EH_FRAG_PKID);
+ else
+ hdr->field_selector = 0;
+
break;
case VIRTCHNL_PROTO_HDR_UDP:
if (rss_type &
@@ -885,8 +946,10 @@ 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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