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Message-ID: <20251027093736.3582567-3-aleksandr.loktionov@intel.com>
Date: Mon, 27 Oct 2025 10:37:32 +0100
From: Aleksandr Loktionov <aleksandr.loktionov@...el.com>
To: intel-wired-lan@...ts.osuosl.org,
netdev@...r.kernel.org,
anthony.l.nguyen@...el.com,
aleksandr.loktionov@...el.com
Cc: Dan Nowlin <dan.nowlin@...el.com>,
Qi Zhang <qi.z.zhang@...el.com>,
Przemek Kitszel <przemyslaw.kitszel@...el.com>
Subject: [PATCH iwl-next v7 2/6] ice: add virtchnl definitions and static data for GTP RSS
Add virtchnl protocol header and field definitions for advanced RSS
configuration including GTPC, GTPU, L2TPv2, ECPRI, PPP, GRE, and IP
fragment headers.
- Define new virtchnl protocol header types
- Add RSS field selectors for tunnel protocols
- Extend static mapping arrays for protocol field matching
- Add L2TPv2 session ID and length+session ID field support
This provides the foundational definitions needed for VF RSS
configuration of tunnel protocols.
Co-developed-by: Dan Nowlin <dan.nowlin@...el.com>
Signed-off-by: Dan Nowlin <dan.nowlin@...el.com>
Co-developed-by: Jie Wang <jie1x.wang@...el.com>
Signed-off-by: Jie Wang <jie1x.wang@...el.com>
Co-developed-by: Junfeng Guo <junfeng.guo@...el.com>
Signed-off-by: Junfeng Guo <junfeng.guo@...el.com>
Co-developed-by: Qi Zhang <qi.z.zhang@...el.com>
Signed-off-by: Qi Zhang <qi.z.zhang@...el.com>
Co-developed-by: Ting Xu <ting.xu@...el.com>
Signed-off-by: Ting Xu <ting.xu@...el.com>
Signed-off-by: Przemek Kitszel <przemyslaw.kitszel@...el.com>
Signed-off-by: Aleksandr Loktionov <aleksandr.loktionov@...el.com>
---
drivers/net/ethernet/intel/ice/virt/rss.c | 91 +++++++++++++++++++++++
include/linux/avf/virtchnl.h | 48 ++++++++++++
2 files changed, 139 insertions(+)
diff --git a/drivers/net/ethernet/intel/ice/virt/rss.c b/drivers/net/ethernet/intel/ice/virt/rss.c
index cbdbb32..71d7db6 100644
--- a/drivers/net/ethernet/intel/ice/virt/rss.c
+++ b/drivers/net/ethernet/intel/ice/virt/rss.c
@@ -36,6 +36,13 @@ static const struct ice_vc_hdr_match_type ice_vc_hdr_list[] = {
{VIRTCHNL_PROTO_HDR_ESP, ICE_FLOW_SEG_HDR_ESP},
{VIRTCHNL_PROTO_HDR_AH, ICE_FLOW_SEG_HDR_AH},
{VIRTCHNL_PROTO_HDR_PFCP, ICE_FLOW_SEG_HDR_PFCP_SESSION},
+ {VIRTCHNL_PROTO_HDR_GTPC, ICE_FLOW_SEG_HDR_GTPC},
+ {VIRTCHNL_PROTO_HDR_L2TPV2, ICE_FLOW_SEG_HDR_L2TPV2},
+ {VIRTCHNL_PROTO_HDR_PPP, ICE_FLOW_SEG_HDR_PPP},
+ {VIRTCHNL_PROTO_HDR_ECPRI, ICE_FLOW_SEG_HDR_ECPRI_TP0},
+ {VIRTCHNL_PROTO_HDR_IPV4_FRAG, ICE_FLOW_SEG_HDR_IPV_FRAG},
+ {VIRTCHNL_PROTO_HDR_IPV6_EH_FRAG, ICE_FLOW_SEG_HDR_IPV_FRAG},
+ {VIRTCHNL_PROTO_HDR_GRE, ICE_FLOW_SEG_HDR_GRE},
};
struct ice_vc_hash_field_match_type {
@@ -149,6 +156,90 @@ ice_vc_hash_field_match_type ice_vc_hash_field_list[] = {
{VIRTCHNL_PROTO_HDR_L2TPV3,
FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_L2TPV3_SESS_ID),
BIT_ULL(ICE_FLOW_FIELD_IDX_L2TPV3_SESS_ID)},
+ {VIRTCHNL_PROTO_HDR_L2TPV2,
+ FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_L2TPV2_SESS_ID),
+ BIT_ULL(ICE_FLOW_FIELD_IDX_L2TPV2_SESS_ID)},
+ {VIRTCHNL_PROTO_HDR_L2TPV2,
+ FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_L2TPV2_LEN_SESS_ID),
+ BIT_ULL(ICE_FLOW_FIELD_IDX_L2TPV2_LEN_SESS_ID)},
+ {VIRTCHNL_PROTO_HDR_PPP,
+ FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_PPP_PROTO_ID),
+ BIT_ULL(ICE_FLOW_FIELD_IDX_PPP_PROTO_ID)},
+ {VIRTCHNL_PROTO_HDR_GTPC,
+ FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_GTPC_TEID),
+ BIT_ULL(ICE_FLOW_FIELD_IDX_GTPC_TEID)},
+ {VIRTCHNL_PROTO_HDR_IPV4,
+ FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV4_CHKSUM),
+ BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_CHKSUM)},
+ {VIRTCHNL_PROTO_HDR_IPV4,
+ FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV4_ID),
+ BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_ID)},
+ {VIRTCHNL_PROTO_HDR_IPV6,
+ FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_TC),
+ BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_TC)},
+ {VIRTCHNL_PROTO_HDR_IPV6,
+ FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_HOP_LIMIT),
+ BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_HLIM)},
+ {VIRTCHNL_PROTO_HDR_IPV6,
+ FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_PREFIX32_SRC),
+ BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PRE32_SA)},
+ {VIRTCHNL_PROTO_HDR_IPV6,
+ FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_PREFIX32_DST),
+ BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PRE32_DA)},
+ {VIRTCHNL_PROTO_HDR_IPV6,
+ FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_PREFIX40_SRC),
+ BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PRE40_SA)},
+ {VIRTCHNL_PROTO_HDR_IPV6,
+ FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_PREFIX40_DST),
+ BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PRE40_DA)},
+ {VIRTCHNL_PROTO_HDR_IPV6,
+ FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_PREFIX48_SRC),
+ BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PRE48_SA)},
+ {VIRTCHNL_PROTO_HDR_IPV6,
+ FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_PREFIX48_DST),
+ BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PRE48_DA)},
+ {VIRTCHNL_PROTO_HDR_IPV6,
+ FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_PREFIX56_SRC),
+ BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PRE56_SA)},
+ {VIRTCHNL_PROTO_HDR_IPV6,
+ FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_PREFIX56_DST),
+ BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PRE56_DA)},
+ {VIRTCHNL_PROTO_HDR_IPV6,
+ FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_PREFIX64_SRC),
+ BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PRE64_SA)},
+ {VIRTCHNL_PROTO_HDR_IPV6,
+ FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_PREFIX64_DST),
+ BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PRE64_DA)},
+ {VIRTCHNL_PROTO_HDR_IPV6,
+ FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_PREFIX96_SRC),
+ BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PRE96_SA)},
+ {VIRTCHNL_PROTO_HDR_IPV6,
+ FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_PREFIX96_DST),
+ BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PRE96_DA)},
+ {VIRTCHNL_PROTO_HDR_TCP,
+ FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_TCP_CHKSUM),
+ BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_CHKSUM)},
+ {VIRTCHNL_PROTO_HDR_UDP,
+ FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_UDP_CHKSUM),
+ BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_CHKSUM)},
+ {VIRTCHNL_PROTO_HDR_GRE,
+ FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_GRE_PROTO),
+ BIT_ULL(ICE_FLOW_FIELD_IDX_GRE_PROTO)},
+ {VIRTCHNL_PROTO_HDR_ECPRI,
+ FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_ECPRI_MSG_TYPE),
+ BIT_ULL(ICE_FLOW_FIELD_IDX_ECPRI_TP0_MSG_TYPE)},
+ {VIRTCHNL_PROTO_HDR_ECPRI,
+ FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_ECPRI_PC_RTC_ID),
+ BIT_ULL(ICE_FLOW_FIELD_IDX_ECPRI_TP0_PC_ID)},
+ {VIRTCHNL_PROTO_HDR_ECPRI,
+ FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_ECPRI_REV),
+ BIT_ULL(ICE_FLOW_FIELD_IDX_ECPRI_TP0_REV)},
+ {VIRTCHNL_PROTO_HDR_ECPRI,
+ FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_ECPRI_CONCAT),
+ BIT_ULL(ICE_FLOW_FIELD_IDX_ECPRI_TP0_CONCAT)},
+ {VIRTCHNL_PROTO_HDR_ECPRI,
+ FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_ECPRI_MSG_LEN),
+ BIT_ULL(ICE_FLOW_FIELD_IDX_ECPRI_TP0_MSG_LEN)},
{VIRTCHNL_PROTO_HDR_ESP, FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_ESP_SPI),
BIT_ULL(ICE_FLOW_FIELD_IDX_ESP_SPI)},
{VIRTCHNL_PROTO_HDR_AH, FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_AH_SPI),
diff --git a/include/linux/avf/virtchnl.h b/include/linux/avf/virtchnl.h
index 5be1881..b0d5164 100644
--- a/include/linux/avf/virtchnl.h
+++ b/include/linux/avf/virtchnl.h
@@ -1253,6 +1253,17 @@ enum virtchnl_proto_hdr_type {
VIRTCHNL_PROTO_HDR_ESP,
VIRTCHNL_PROTO_HDR_AH,
VIRTCHNL_PROTO_HDR_PFCP,
+ VIRTCHNL_PROTO_HDR_GTPC,
+ VIRTCHNL_PROTO_HDR_ECPRI,
+ VIRTCHNL_PROTO_HDR_L2TPV2,
+ VIRTCHNL_PROTO_HDR_PPP,
+ /* IPv4 and IPv6 Fragment header types are only associated to
+ * VIRTCHNL_PROTO_HDR_IPV4 and VIRTCHNL_PROTO_HDR_IPV6 respectively,
+ * cannot be used independently.
+ */
+ VIRTCHNL_PROTO_HDR_IPV4_FRAG,
+ VIRTCHNL_PROTO_HDR_IPV6_EH_FRAG,
+ VIRTCHNL_PROTO_HDR_GRE,
};
/* Protocol header field within a protocol header. */
@@ -1275,6 +1286,8 @@ enum virtchnl_proto_hdr_field {
VIRTCHNL_PROTO_HDR_IPV4_DSCP,
VIRTCHNL_PROTO_HDR_IPV4_TTL,
VIRTCHNL_PROTO_HDR_IPV4_PROT,
+ VIRTCHNL_PROTO_HDR_IPV4_CHKSUM,
+ VIRTCHNL_PROTO_HDR_IPV4_ID,
/* IPV6 */
VIRTCHNL_PROTO_HDR_IPV6_SRC =
PROTO_HDR_FIELD_START(VIRTCHNL_PROTO_HDR_IPV6),
@@ -1282,14 +1295,29 @@ enum virtchnl_proto_hdr_field {
VIRTCHNL_PROTO_HDR_IPV6_TC,
VIRTCHNL_PROTO_HDR_IPV6_HOP_LIMIT,
VIRTCHNL_PROTO_HDR_IPV6_PROT,
+ /* IPV6 Prefix */
+ VIRTCHNL_PROTO_HDR_IPV6_PREFIX32_SRC,
+ VIRTCHNL_PROTO_HDR_IPV6_PREFIX32_DST,
+ VIRTCHNL_PROTO_HDR_IPV6_PREFIX40_SRC,
+ VIRTCHNL_PROTO_HDR_IPV6_PREFIX40_DST,
+ VIRTCHNL_PROTO_HDR_IPV6_PREFIX48_SRC,
+ VIRTCHNL_PROTO_HDR_IPV6_PREFIX48_DST,
+ VIRTCHNL_PROTO_HDR_IPV6_PREFIX56_SRC,
+ VIRTCHNL_PROTO_HDR_IPV6_PREFIX56_DST,
+ VIRTCHNL_PROTO_HDR_IPV6_PREFIX64_SRC,
+ VIRTCHNL_PROTO_HDR_IPV6_PREFIX64_DST,
+ VIRTCHNL_PROTO_HDR_IPV6_PREFIX96_SRC,
+ VIRTCHNL_PROTO_HDR_IPV6_PREFIX96_DST,
/* TCP */
VIRTCHNL_PROTO_HDR_TCP_SRC_PORT =
PROTO_HDR_FIELD_START(VIRTCHNL_PROTO_HDR_TCP),
VIRTCHNL_PROTO_HDR_TCP_DST_PORT,
+ VIRTCHNL_PROTO_HDR_TCP_CHKSUM,
/* UDP */
VIRTCHNL_PROTO_HDR_UDP_SRC_PORT =
PROTO_HDR_FIELD_START(VIRTCHNL_PROTO_HDR_UDP),
VIRTCHNL_PROTO_HDR_UDP_DST_PORT,
+ VIRTCHNL_PROTO_HDR_UDP_CHKSUM,
/* SCTP */
VIRTCHNL_PROTO_HDR_SCTP_SRC_PORT =
PROTO_HDR_FIELD_START(VIRTCHNL_PROTO_HDR_SCTP),
@@ -1317,6 +1345,26 @@ enum virtchnl_proto_hdr_field {
VIRTCHNL_PROTO_HDR_PFCP_S_FIELD =
PROTO_HDR_FIELD_START(VIRTCHNL_PROTO_HDR_PFCP),
VIRTCHNL_PROTO_HDR_PFCP_SEID,
+ /* GTPC */
+ VIRTCHNL_PROTO_HDR_GTPC_TEID =
+ PROTO_HDR_FIELD_START(VIRTCHNL_PROTO_HDR_GTPC),
+ /* L2TPV2 */
+ VIRTCHNL_PROTO_HDR_L2TPV2_SESS_ID =
+ PROTO_HDR_FIELD_START(VIRTCHNL_PROTO_HDR_L2TPV2),
+ VIRTCHNL_PROTO_HDR_L2TPV2_LEN_SESS_ID,
+ /* PPP */
+ VIRTCHNL_PROTO_HDR_PPP_PROTO_ID =
+ PROTO_HDR_FIELD_START(VIRTCHNL_PROTO_HDR_PPP),
+ /* GRE */
+ VIRTCHNL_PROTO_HDR_GRE_PROTO =
+ PROTO_HDR_FIELD_START(VIRTCHNL_PROTO_HDR_GRE),
+ /* ECPRI */
+ VIRTCHNL_PROTO_HDR_ECPRI_MSG_TYPE =
+ PROTO_HDR_FIELD_START(VIRTCHNL_PROTO_HDR_ECPRI),
+ VIRTCHNL_PROTO_HDR_ECPRI_PC_RTC_ID,
+ VIRTCHNL_PROTO_HDR_ECPRI_REV,
+ VIRTCHNL_PROTO_HDR_ECPRI_CONCAT,
+ VIRTCHNL_PROTO_HDR_ECPRI_MSG_LEN,
};
struct virtchnl_proto_hdr {
--
2.49.0
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