[dpdk-dev] [PATCH 23/28] net/ice/base: add RSS support for IPv4/L4 checksum

Qi Zhang qi.z.zhang at intel.com
Tue Aug 10 04:51:35 CEST 2021


The IPv4/TCP/UDP/SCTP header checksum fields are defined in this
patch and can be used as RSS input sets.

Signed-off-by: Alvin Zhang <alvinx.zhang at intel.com>
Signed-off-by: Qi Zhang <qi.z.zhang at intel.com>
---
 drivers/net/ice/base/ice_flow.c | 17 +++++++++++++++++
 drivers/net/ice/base/ice_flow.h |  4 ++++
 2 files changed, 21 insertions(+)

diff --git a/drivers/net/ice/base/ice_flow.c b/drivers/net/ice/base/ice_flow.c
index 0b7d087c83..470548331b 100644
--- a/drivers/net/ice/base/ice_flow.c
+++ b/drivers/net/ice/base/ice_flow.c
@@ -15,6 +15,10 @@
 #define ICE_FLOW_FLD_SZ_IPV6_PRE64_ADDR	8
 #define ICE_FLOW_FLD_SZ_IPV4_ID		2
 #define ICE_FLOW_FLD_SZ_IPV6_ID		4
+#define ICE_FLOW_FLD_SZ_IP_CHKSUM	2
+#define ICE_FLOW_FLD_SZ_TCP_CHKSUM	2
+#define ICE_FLOW_FLD_SZ_UDP_CHKSUM	2
+#define ICE_FLOW_FLD_SZ_SCTP_CHKSUM	4
 #define ICE_FLOW_FLD_SZ_IP_DSCP		1
 #define ICE_FLOW_FLD_SZ_IP_TTL		1
 #define ICE_FLOW_FLD_SZ_IP_PROT		1
@@ -98,6 +102,8 @@ struct ice_flow_field_info ice_flds_info[ICE_FLOW_FIELD_IDX_MAX] = {
 	ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_IPV6, 8, ICE_FLOW_FLD_SZ_IPV6_ADDR),
 	/* ICE_FLOW_FIELD_IDX_IPV6_DA */
 	ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_IPV6, 24, ICE_FLOW_FLD_SZ_IPV6_ADDR),
+	/* ICE_FLOW_FIELD_IDX_IPV4_CHKSUM */
+	ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_IPV4, 10, ICE_FLOW_FLD_SZ_IP_CHKSUM),
 	/* ICE_FLOW_FIELD_IDX_IPV4_FRAG */
 	ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_IPV_FRAG, 4,
 			  ICE_FLOW_FLD_SZ_IPV4_ID),
@@ -137,6 +143,13 @@ struct ice_flow_field_info ice_flds_info[ICE_FLOW_FIELD_IDX_MAX] = {
 	ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_SCTP, 2, ICE_FLOW_FLD_SZ_PORT),
 	/* ICE_FLOW_FIELD_IDX_TCP_FLAGS */
 	ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_TCP, 13, ICE_FLOW_FLD_SZ_TCP_FLAGS),
+	/* ICE_FLOW_FIELD_IDX_TCP_CHKSUM */
+	ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_TCP, 16, ICE_FLOW_FLD_SZ_TCP_CHKSUM),
+	/* ICE_FLOW_FIELD_IDX_UDP_CHKSUM */
+	ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_UDP, 6, ICE_FLOW_FLD_SZ_UDP_CHKSUM),
+	/* ICE_FLOW_FIELD_IDX_SCTP_CHKSUM */
+	ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_SCTP, 8,
+			  ICE_FLOW_FLD_SZ_SCTP_CHKSUM),
 	/* ARP */
 	/* ICE_FLOW_FIELD_IDX_ARP_SIP */
 	ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_ARP, 14, ICE_FLOW_FLD_SZ_IPV4_ADDR),
@@ -1410,6 +1423,7 @@ ice_flow_xtract_fld(struct ice_hw *hw, struct ice_flow_prof_params *params,
 		break;
 	case ICE_FLOW_FIELD_IDX_IPV4_SA:
 	case ICE_FLOW_FIELD_IDX_IPV4_DA:
+	case ICE_FLOW_FIELD_IDX_IPV4_CHKSUM:
 		prot_id = seg == 0 ? ICE_PROT_IPV4_OF_OR_S : ICE_PROT_IPV4_IL;
 		if (params->prof->segs[0].hdrs & ICE_FLOW_SEG_HDR_GRE &&
 		    params->prof->segs[1].hdrs & ICE_FLOW_SEG_HDR_GTPU &&
@@ -1439,14 +1453,17 @@ ice_flow_xtract_fld(struct ice_hw *hw, struct ice_flow_prof_params *params,
 	case ICE_FLOW_FIELD_IDX_TCP_SRC_PORT:
 	case ICE_FLOW_FIELD_IDX_TCP_DST_PORT:
 	case ICE_FLOW_FIELD_IDX_TCP_FLAGS:
+	case ICE_FLOW_FIELD_IDX_TCP_CHKSUM:
 		prot_id = ICE_PROT_TCP_IL;
 		break;
 	case ICE_FLOW_FIELD_IDX_UDP_SRC_PORT:
 	case ICE_FLOW_FIELD_IDX_UDP_DST_PORT:
+	case ICE_FLOW_FIELD_IDX_UDP_CHKSUM:
 		prot_id = ICE_PROT_UDP_IL_OR_S;
 		break;
 	case ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT:
 	case ICE_FLOW_FIELD_IDX_SCTP_DST_PORT:
+	case ICE_FLOW_FIELD_IDX_SCTP_CHKSUM:
 		prot_id = ICE_PROT_SCTP_IL;
 		break;
 	case ICE_FLOW_FIELD_IDX_VXLAN_VNI:
diff --git a/drivers/net/ice/base/ice_flow.h b/drivers/net/ice/base/ice_flow.h
index 39408c5634..92beb75db8 100644
--- a/drivers/net/ice/base/ice_flow.h
+++ b/drivers/net/ice/base/ice_flow.h
@@ -228,6 +228,7 @@ enum ice_flow_field {
 	ICE_FLOW_FIELD_IDX_IPV4_DA,
 	ICE_FLOW_FIELD_IDX_IPV6_SA,
 	ICE_FLOW_FIELD_IDX_IPV6_DA,
+	ICE_FLOW_FIELD_IDX_IPV4_CHKSUM,
 	ICE_FLOW_FIELD_IDX_IPV4_ID,
 	ICE_FLOW_FIELD_IDX_IPV6_ID,
 	ICE_FLOW_FIELD_IDX_IPV6_PRE32_SA,
@@ -244,6 +245,9 @@ enum ice_flow_field {
 	ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT,
 	ICE_FLOW_FIELD_IDX_SCTP_DST_PORT,
 	ICE_FLOW_FIELD_IDX_TCP_FLAGS,
+	ICE_FLOW_FIELD_IDX_TCP_CHKSUM,
+	ICE_FLOW_FIELD_IDX_UDP_CHKSUM,
+	ICE_FLOW_FIELD_IDX_SCTP_CHKSUM,
 	/* ARP */
 	ICE_FLOW_FIELD_IDX_ARP_SIP,
 	ICE_FLOW_FIELD_IDX_ARP_DIP,
-- 
2.26.2



More information about the dev mailing list