[dpdk-dev] [PATCH 20/28] net/ice/base: support RSS for GTPoGRE

[Qi Zhang]

Support RSS for GTPoGRE inner fields hash.

Signed-off-by: Junfeng Guo <junfeng.guo at intel.com>
Signed-off-by: Qi Zhang <qi.z.zhang at intel.com>
---
 drivers/net/ice/base/ice_flow.c | 8 ++++++++
 drivers/net/ice/base/ice_flow.h | 4 ++++
 2 files changed, 12 insertions(+)

diff --git a/drivers/net/ice/base/ice_flow.c b/drivers/net/ice/base/ice_flow.c
index 5b26d6c8b2..e41082b6ba 100644
--- a/drivers/net/ice/base/ice_flow.c
+++ b/drivers/net/ice/base/ice_flow.c
@@ -3483,6 +3483,14 @@ ice_flow_set_rss_seg_info(struct ice_flow_seg_info *segs, u8 seg_cnt,
 		segs[ICE_RSS_OUTER_HEADERS].hdrs |= ICE_FLOW_SEG_HDR_IPV6 |
 						   ICE_FLOW_SEG_HDR_IPV_FRAG |
 						   ICE_FLOW_SEG_HDR_IPV_OTHER;
+	else if (cfg->hdr_type == ICE_RSS_INNER_HEADERS_W_OUTER_IPV4_GRE)
+		segs[ICE_RSS_OUTER_HEADERS].hdrs |= ICE_FLOW_SEG_HDR_IPV4 |
+						   ICE_FLOW_SEG_HDR_GRE |
+						   ICE_FLOW_SEG_HDR_IPV_OTHER;
+	else if (cfg->hdr_type == ICE_RSS_INNER_HEADERS_W_OUTER_IPV6_GRE)
+		segs[ICE_RSS_OUTER_HEADERS].hdrs |= ICE_FLOW_SEG_HDR_IPV6 |
+						   ICE_FLOW_SEG_HDR_GRE |
+						   ICE_FLOW_SEG_HDR_IPV_OTHER;
 
 	if (seg->hdrs & ~ICE_FLOW_RSS_SEG_HDR_VAL_MASKS &
 	    ~ICE_FLOW_RSS_HDRS_INNER_MASK & ~ICE_FLOW_SEG_HDR_IPV_OTHER &
diff --git a/drivers/net/ice/base/ice_flow.h b/drivers/net/ice/base/ice_flow.h
index 878c79d19e..39408c5634 100644
--- a/drivers/net/ice/base/ice_flow.h
+++ b/drivers/net/ice/base/ice_flow.h
@@ -348,6 +348,10 @@ enum ice_rss_cfg_hdr_type {
 	/* take inner headers as inputset for packet with outer ipv6. */
 	ICE_RSS_INNER_HEADERS_W_OUTER_IPV6,
 	/* take outer headers first then inner headers as inputset */
+	/* take inner as inputset for GTPoGRE with outer ipv4 + gre. */
+	ICE_RSS_INNER_HEADERS_W_OUTER_IPV4_GRE,
+	/* take inner as inputset for GTPoGRE with outer ipv6 + gre. */
+	ICE_RSS_INNER_HEADERS_W_OUTER_IPV6_GRE,
 	ICE_RSS_ANY_HEADERS
 };
 
-- 
2.26.2