[dpdk-dev] [PATCH v4] net/ice: fix GTPU down/uplink and extension conflict

Simei Su simei.su at intel.com
Mon Jul 27 11:38:22 CEST 2020


When adding a RSS rule with GTPU_DWN/UP, it will write from top to
bottom for profile due to firmware limitation. If a RSS rule with
GTPU_EH already exists, then GTPU_DWN/UP packet will match GTPU_EH
profile. This patch solves this issue by remembering a gtpu_eh RSS
configure and removing it before the corresponding RSS configure
for downlink/uplink rule is issued.

Fixes: 2e2810fc1868 ("net/ice: fix GTPU RSS")

Signed-off-by: Simei Su <simei.su at intel.com>
---

v4:
* Create ice_add_rss_cfg_wrap to replace existed ice_add_rss_cfg
  with it.
* Create ice_rem_rss_cfg_wrap to repalce existed ice_rem_rss_cfg
  with it.

v3:
* Rename global structure.
* Use some macros to avoid code duplication.
* Revise incorrect code where uses local variable.

v2:
* Refine commit log.
* Fix gtpu downlink and uplink can't be issued simultaneously.
* Fix gtpu down/uplink ipv4_udp/tcp or ipv6_udp/tcp symmetric
  don't take effect.
---
 drivers/net/ice/ice_ethdev.c | 271 ++++++++++++++++++++++++++++++++++++++-----
 drivers/net/ice/ice_ethdev.h |  27 +++++
 drivers/net/ice/ice_hash.c   |   4 +-
 3 files changed, 269 insertions(+), 33 deletions(-)

diff --git a/drivers/net/ice/ice_ethdev.c b/drivers/net/ice/ice_ethdev.c
index c4c0e63..70fbf2b 100644
--- a/drivers/net/ice/ice_ethdev.c
+++ b/drivers/net/ice/ice_ethdev.c
@@ -2429,16 +2429,209 @@ static int ice_parse_devargs(struct rte_eth_dev *dev)
 	return 0;
 }
 
+static int
+ice_rem_rss_cfg_post(struct ice_pf *pf, uint32_t hdr)
+{
+	if (hdr & ICE_FLOW_SEG_HDR_GTPU_EH) {
+		if ((hdr & ICE_FLOW_SEG_HDR_IPV4) &&
+		    (hdr & ICE_FLOW_SEG_HDR_UDP)) {
+			ICE_HASH_CFG_RESET(&pf->gtpu_hash_ctx.ipv4_udp);
+		} else if ((hdr & ICE_FLOW_SEG_HDR_IPV6) &&
+			   (hdr & ICE_FLOW_SEG_HDR_UDP)) {
+			ICE_HASH_CFG_RESET(&pf->gtpu_hash_ctx.ipv6_udp);
+		} else if ((hdr & ICE_FLOW_SEG_HDR_IPV4) &&
+			   (hdr & ICE_FLOW_SEG_HDR_TCP)) {
+			ICE_HASH_CFG_RESET(&pf->gtpu_hash_ctx.ipv4_tcp);
+		} else if ((hdr & ICE_FLOW_SEG_HDR_IPV6) &&
+			   (hdr & ICE_FLOW_SEG_HDR_TCP)) {
+			ICE_HASH_CFG_RESET(&pf->gtpu_hash_ctx.ipv6_tcp);
+		} else if (hdr & ICE_FLOW_SEG_HDR_IPV4) {
+			ICE_HASH_CFG_RESET(&pf->gtpu_hash_ctx.ipv4);
+		} else if (hdr & ICE_FLOW_SEG_HDR_IPV6) {
+			ICE_HASH_CFG_RESET(&pf->gtpu_hash_ctx.ipv6);
+		}
+	}
+
+	return 0;
+}
+
+static int
+ice_add_rss_cfg_pre(struct ice_pf *pf, uint32_t hdr, uint64_t fld)
+{
+	struct ice_hw *hw = ICE_PF_TO_HW(pf);
+	struct ice_vsi *vsi = pf->main_vsi;
+
+	/**
+	 * If header field contains GTPU_EH, store gtpu_eh context.
+	 * If header field contains GTPU_DWN/UP, remove existed gtpu_eh.
+	 */
+	if (hdr & ICE_FLOW_SEG_HDR_GTPU_EH) {
+		if ((hdr & ICE_FLOW_SEG_HDR_IPV4) &&
+		    (hdr & ICE_FLOW_SEG_HDR_UDP)) {
+			pf->gtpu_hash_ctx.ipv4_udp.pkt_hdr = hdr;
+			pf->gtpu_hash_ctx.ipv4_udp.hash_fld = fld;
+		} else if ((hdr & ICE_FLOW_SEG_HDR_IPV6) &&
+			   (hdr & ICE_FLOW_SEG_HDR_UDP)) {
+			pf->gtpu_hash_ctx.ipv6_udp.pkt_hdr = hdr;
+			pf->gtpu_hash_ctx.ipv6_udp.hash_fld = fld;
+		} else if ((hdr & ICE_FLOW_SEG_HDR_IPV4) &&
+			   (hdr & ICE_FLOW_SEG_HDR_TCP)) {
+			pf->gtpu_hash_ctx.ipv4_tcp.pkt_hdr = hdr;
+			pf->gtpu_hash_ctx.ipv4_tcp.hash_fld = fld;
+		} else if ((hdr & ICE_FLOW_SEG_HDR_IPV6) &&
+			   (hdr & ICE_FLOW_SEG_HDR_TCP)) {
+			pf->gtpu_hash_ctx.ipv6_tcp.pkt_hdr = hdr;
+			pf->gtpu_hash_ctx.ipv6_tcp.hash_fld = fld;
+		} else if (hdr & ICE_FLOW_SEG_HDR_IPV4) {
+			pf->gtpu_hash_ctx.ipv4.pkt_hdr = hdr;
+			pf->gtpu_hash_ctx.ipv4.hash_fld = fld;
+
+			ICE_HASH_CFG_RESET(&pf->gtpu_hash_ctx.ipv4_udp);
+			ICE_HASH_CFG_RESET(&pf->gtpu_hash_ctx.ipv4_tcp);
+		} else if (hdr & ICE_FLOW_SEG_HDR_IPV6) {
+			pf->gtpu_hash_ctx.ipv6.pkt_hdr = hdr;
+			pf->gtpu_hash_ctx.ipv6.hash_fld = fld;
+
+			ICE_HASH_CFG_RESET(&pf->gtpu_hash_ctx.ipv6_udp);
+			ICE_HASH_CFG_RESET(&pf->gtpu_hash_ctx.ipv6_tcp);
+		}
+	} else if (hdr & (ICE_FLOW_SEG_HDR_GTPU_DWN |
+		   ICE_FLOW_SEG_HDR_GTPU_UP)) {
+		if ((hdr & ICE_FLOW_SEG_HDR_IPV4) &&
+		    (hdr & ICE_FLOW_SEG_HDR_UDP)) {
+			if (ICE_HASH_CFG_VALID(&pf->gtpu_hash_ctx.ipv4_udp)) {
+				ice_rem_rss_cfg(hw, vsi->idx,
+					pf->gtpu_hash_ctx.ipv4_udp.hash_fld,
+					pf->gtpu_hash_ctx.ipv4_udp.pkt_hdr);
+
+				ICE_HASH_CFG_RESET(&pf->gtpu_hash_ctx.ipv4_udp);
+			}
+		}  else if ((hdr & ICE_FLOW_SEG_HDR_IPV6) &&
+			    (hdr & ICE_FLOW_SEG_HDR_UDP)) {
+			if (ICE_HASH_CFG_VALID(&pf->gtpu_hash_ctx.ipv6_udp)) {
+				ice_rem_rss_cfg(hw, vsi->idx,
+					pf->gtpu_hash_ctx.ipv6_udp.hash_fld,
+					pf->gtpu_hash_ctx.ipv6_udp.pkt_hdr);
+
+				ICE_HASH_CFG_RESET(&pf->gtpu_hash_ctx.ipv6_udp);
+			}
+		} else if ((hdr & ICE_FLOW_SEG_HDR_IPV4) &&
+			   (hdr & ICE_FLOW_SEG_HDR_TCP)) {
+			if (ICE_HASH_CFG_VALID(&pf->gtpu_hash_ctx.ipv4_tcp)) {
+				ice_rem_rss_cfg(hw, vsi->idx,
+					pf->gtpu_hash_ctx.ipv4_tcp.hash_fld,
+					pf->gtpu_hash_ctx.ipv4_tcp.pkt_hdr);
+
+				ICE_HASH_CFG_RESET(&pf->gtpu_hash_ctx.ipv4_tcp);
+			}
+		} else if ((hdr & ICE_FLOW_SEG_HDR_IPV6) &&
+			   (hdr & ICE_FLOW_SEG_HDR_TCP)) {
+			if (ICE_HASH_CFG_VALID(&pf->gtpu_hash_ctx.ipv6_tcp)) {
+				ice_rem_rss_cfg(hw, vsi->idx,
+					pf->gtpu_hash_ctx.ipv6_tcp.hash_fld,
+					pf->gtpu_hash_ctx.ipv6_tcp.pkt_hdr);
+
+				ICE_HASH_CFG_RESET(&pf->gtpu_hash_ctx.ipv6_tcp);
+			}
+		} else if (hdr & ICE_FLOW_SEG_HDR_IPV4) {
+			if (ICE_HASH_CFG_VALID(&pf->gtpu_hash_ctx.ipv4)) {
+				ice_rem_rss_cfg(hw, vsi->idx,
+					pf->gtpu_hash_ctx.ipv4.hash_fld,
+					pf->gtpu_hash_ctx.ipv4.pkt_hdr);
+
+				ICE_HASH_CFG_RESET(&pf->gtpu_hash_ctx.ipv4);
+			}
+
+			if (ICE_HASH_CFG_VALID(&pf->gtpu_hash_ctx.ipv4_udp)) {
+				ice_rem_rss_cfg(hw, vsi->idx,
+					pf->gtpu_hash_ctx.ipv4_udp.hash_fld,
+					pf->gtpu_hash_ctx.ipv4_udp.pkt_hdr);
+
+				ICE_HASH_CFG_RESET(&pf->gtpu_hash_ctx.ipv4_udp);
+			}
+
+			if (ICE_HASH_CFG_VALID(&pf->gtpu_hash_ctx.ipv4_tcp)) {
+				ice_rem_rss_cfg(hw, vsi->idx,
+					pf->gtpu_hash_ctx.ipv4_tcp.hash_fld,
+					pf->gtpu_hash_ctx.ipv4_tcp.pkt_hdr);
+
+				ICE_HASH_CFG_RESET(&pf->gtpu_hash_ctx.ipv4_tcp);
+			}
+		} else if (hdr & ICE_FLOW_SEG_HDR_IPV6) {
+			if (ICE_HASH_CFG_VALID(&pf->gtpu_hash_ctx.ipv6)) {
+				ice_rem_rss_cfg(hw, vsi->idx,
+					pf->gtpu_hash_ctx.ipv6.hash_fld,
+					pf->gtpu_hash_ctx.ipv6.pkt_hdr);
+
+				ICE_HASH_CFG_RESET(&pf->gtpu_hash_ctx.ipv6);
+			}
+
+			if (ICE_HASH_CFG_VALID(&pf->gtpu_hash_ctx.ipv6_udp)) {
+				ice_rem_rss_cfg(hw, vsi->idx,
+					pf->gtpu_hash_ctx.ipv6_udp.hash_fld,
+					pf->gtpu_hash_ctx.ipv6_udp.pkt_hdr);
+
+				ICE_HASH_CFG_RESET(&pf->gtpu_hash_ctx.ipv6_udp);
+			}
+
+			if (ICE_HASH_CFG_VALID(&pf->gtpu_hash_ctx.ipv6_tcp)) {
+				ice_rem_rss_cfg(hw, vsi->idx,
+					pf->gtpu_hash_ctx.ipv6_tcp.hash_fld,
+					pf->gtpu_hash_ctx.ipv6_tcp.pkt_hdr);
+
+				ICE_HASH_CFG_RESET(&pf->gtpu_hash_ctx.ipv6_tcp);
+			}
+		}
+	}
+
+	return 0;
+}
+
+int
+ice_rem_rss_cfg_wrap(struct ice_pf *pf, uint16_t vsi_id,
+		uint64_t fld, uint32_t hdr)
+{
+	struct ice_hw *hw = ICE_PF_TO_HW(pf);
+	int ret;
+
+	ret = ice_rem_rss_cfg(hw, vsi_id, fld, hdr);
+	if (ret && ret != ICE_ERR_DOES_NOT_EXIST)
+		PMD_DRV_LOG(ERR, "remove rss cfg failed\n");
+
+	ret = ice_rem_rss_cfg_post(pf, hdr);
+	if (ret)
+		PMD_DRV_LOG(ERR, "remove rss cfg post failed\n");
+
+	return 0;
+}
+
+int
+ice_add_rss_cfg_wrap(struct ice_pf *pf, uint16_t vsi_id,
+		uint64_t fld, uint32_t hdr, bool symm)
+{
+	struct ice_hw *hw = ICE_PF_TO_HW(pf);
+	int ret;
+
+	ret = ice_add_rss_cfg_pre(pf, hdr, fld);
+	if (ret)
+		PMD_DRV_LOG(ERR, "add rss cfg pre failed\n");
+
+	ret = ice_add_rss_cfg(hw, vsi_id, fld, hdr, symm);
+	if (ret)
+		PMD_DRV_LOG(ERR, "add rss cfg failed\n");
+
+	return 0;
+}
+
 static void
 ice_rss_hash_set(struct ice_pf *pf, uint64_t rss_hf)
 {
-	struct ice_hw *hw = ICE_PF_TO_HW(pf);
 	struct ice_vsi *vsi = pf->main_vsi;
 	int ret;
 
 	/* Configure RSS for IPv4 with src/dst addr as input set */
 	if (rss_hf & ETH_RSS_IPV4) {
-		ret = ice_add_rss_cfg(hw, vsi->idx, ICE_FLOW_HASH_IPV4,
+		ret = ice_add_rss_cfg_wrap(pf, vsi->idx, ICE_FLOW_HASH_IPV4,
 				      ICE_FLOW_SEG_HDR_IPV4 |
 				      ICE_FLOW_SEG_HDR_IPV_OTHER, 0);
 		if (ret)
@@ -2448,7 +2641,7 @@ static int ice_parse_devargs(struct rte_eth_dev *dev)
 
 	/* Configure RSS for IPv6 with src/dst addr as input set */
 	if (rss_hf & ETH_RSS_IPV6) {
-		ret = ice_add_rss_cfg(hw, vsi->idx, ICE_FLOW_HASH_IPV6,
+		ret = ice_add_rss_cfg_wrap(pf, vsi->idx, ICE_FLOW_HASH_IPV6,
 				      ICE_FLOW_SEG_HDR_IPV6 |
 				      ICE_FLOW_SEG_HDR_IPV_OTHER, 0);
 		if (ret)
@@ -2458,7 +2651,7 @@ static int ice_parse_devargs(struct rte_eth_dev *dev)
 
 	/* Configure RSS for udp4 with src/dst addr and port as input set */
 	if (rss_hf & ETH_RSS_NONFRAG_IPV4_UDP) {
-		ret = ice_add_rss_cfg(hw, vsi->idx, ICE_HASH_UDP_IPV4,
+		ret = ice_add_rss_cfg_wrap(pf, vsi->idx, ICE_HASH_UDP_IPV4,
 				      ICE_FLOW_SEG_HDR_UDP |
 				      ICE_FLOW_SEG_HDR_IPV4 |
 				      ICE_FLOW_SEG_HDR_IPV_OTHER, 0);
@@ -2469,7 +2662,7 @@ static int ice_parse_devargs(struct rte_eth_dev *dev)
 
 	/* Configure RSS for udp6 with src/dst addr and port as input set */
 	if (rss_hf & ETH_RSS_NONFRAG_IPV6_UDP) {
-		ret = ice_add_rss_cfg(hw, vsi->idx, ICE_HASH_UDP_IPV6,
+		ret = ice_add_rss_cfg_wrap(pf, vsi->idx, ICE_HASH_UDP_IPV6,
 				      ICE_FLOW_SEG_HDR_UDP |
 				      ICE_FLOW_SEG_HDR_IPV6 |
 				      ICE_FLOW_SEG_HDR_IPV_OTHER, 0);
@@ -2480,7 +2673,7 @@ static int ice_parse_devargs(struct rte_eth_dev *dev)
 
 	/* Configure RSS for tcp4 with src/dst addr and port as input set */
 	if (rss_hf & ETH_RSS_NONFRAG_IPV4_TCP) {
-		ret = ice_add_rss_cfg(hw, vsi->idx, ICE_HASH_TCP_IPV4,
+		ret = ice_add_rss_cfg_wrap(pf, vsi->idx, ICE_HASH_TCP_IPV4,
 				      ICE_FLOW_SEG_HDR_TCP |
 				      ICE_FLOW_SEG_HDR_IPV4 |
 				      ICE_FLOW_SEG_HDR_IPV_OTHER, 0);
@@ -2491,7 +2684,7 @@ static int ice_parse_devargs(struct rte_eth_dev *dev)
 
 	/* Configure RSS for tcp6 with src/dst addr and port as input set */
 	if (rss_hf & ETH_RSS_NONFRAG_IPV6_TCP) {
-		ret = ice_add_rss_cfg(hw, vsi->idx, ICE_HASH_TCP_IPV6,
+		ret = ice_add_rss_cfg_wrap(pf, vsi->idx, ICE_HASH_TCP_IPV6,
 				      ICE_FLOW_SEG_HDR_TCP |
 				      ICE_FLOW_SEG_HDR_IPV6 |
 				      ICE_FLOW_SEG_HDR_IPV_OTHER, 0);
@@ -2502,7 +2695,7 @@ static int ice_parse_devargs(struct rte_eth_dev *dev)
 
 	/* Configure RSS for sctp4 with src/dst addr and port as input set */
 	if (rss_hf & ETH_RSS_NONFRAG_IPV4_SCTP) {
-		ret = ice_add_rss_cfg(hw, vsi->idx, ICE_FLOW_HASH_IPV4,
+		ret = ice_add_rss_cfg_wrap(pf, vsi->idx, ICE_FLOW_HASH_IPV4,
 				      ICE_FLOW_SEG_HDR_SCTP |
 				      ICE_FLOW_SEG_HDR_IPV4 |
 				      ICE_FLOW_SEG_HDR_IPV_OTHER, 0);
@@ -2513,7 +2706,7 @@ static int ice_parse_devargs(struct rte_eth_dev *dev)
 
 	/* Configure RSS for sctp6 with src/dst addr and port as input set */
 	if (rss_hf & ETH_RSS_NONFRAG_IPV6_SCTP) {
-		ret = ice_add_rss_cfg(hw, vsi->idx, ICE_FLOW_HASH_IPV6,
+		ret = ice_add_rss_cfg_wrap(pf, vsi->idx, ICE_FLOW_HASH_IPV6,
 				      ICE_FLOW_SEG_HDR_SCTP |
 				      ICE_FLOW_SEG_HDR_IPV6 |
 				      ICE_FLOW_SEG_HDR_IPV_OTHER, 0);
@@ -2523,7 +2716,7 @@ static int ice_parse_devargs(struct rte_eth_dev *dev)
 	}
 
 	if (rss_hf & ETH_RSS_IPV4) {
-		ret = ice_add_rss_cfg(hw, vsi->idx, ICE_FLOW_HASH_IPV4,
+		ret = ice_add_rss_cfg_wrap(pf, vsi->idx, ICE_FLOW_HASH_IPV4,
 				ICE_FLOW_SEG_HDR_GTPU_IP |
 				ICE_FLOW_SEG_HDR_IPV4 |
 				ICE_FLOW_SEG_HDR_IPV_OTHER, 0);
@@ -2531,7 +2724,7 @@ static int ice_parse_devargs(struct rte_eth_dev *dev)
 			PMD_DRV_LOG(ERR, "%s GTPU_IPV4 rss flow fail %d",
 				    __func__, ret);
 
-		ret = ice_add_rss_cfg(hw, vsi->idx, ICE_FLOW_HASH_IPV4,
+		ret = ice_add_rss_cfg_wrap(pf, vsi->idx, ICE_FLOW_HASH_IPV4,
 				ICE_FLOW_SEG_HDR_GTPU_EH |
 				ICE_FLOW_SEG_HDR_IPV4 |
 				ICE_FLOW_SEG_HDR_IPV_OTHER, 0);
@@ -2539,7 +2732,7 @@ static int ice_parse_devargs(struct rte_eth_dev *dev)
 			PMD_DRV_LOG(ERR, "%s GTPU_EH_IPV4 rss flow fail %d",
 				    __func__, ret);
 
-		ret = ice_add_rss_cfg(hw, vsi->idx, ICE_FLOW_HASH_IPV4,
+		ret = ice_add_rss_cfg_wrap(pf, vsi->idx, ICE_FLOW_HASH_IPV4,
 				ICE_FLOW_SEG_HDR_PPPOE |
 				ICE_FLOW_SEG_HDR_IPV4 |
 				ICE_FLOW_SEG_HDR_IPV_OTHER, 0);
@@ -2549,7 +2742,7 @@ static int ice_parse_devargs(struct rte_eth_dev *dev)
 	}
 
 	if (rss_hf & ETH_RSS_IPV6) {
-		ret = ice_add_rss_cfg(hw, vsi->idx, ICE_FLOW_HASH_IPV6,
+		ret = ice_add_rss_cfg_wrap(pf, vsi->idx, ICE_FLOW_HASH_IPV6,
 				ICE_FLOW_SEG_HDR_GTPU_IP |
 				ICE_FLOW_SEG_HDR_IPV6 |
 				ICE_FLOW_SEG_HDR_IPV_OTHER, 0);
@@ -2557,7 +2750,7 @@ static int ice_parse_devargs(struct rte_eth_dev *dev)
 			PMD_DRV_LOG(ERR, "%s GTPU_IPV6 rss flow fail %d",
 				    __func__, ret);
 
-		ret = ice_add_rss_cfg(hw, vsi->idx, ICE_FLOW_HASH_IPV6,
+		ret = ice_add_rss_cfg_wrap(pf, vsi->idx, ICE_FLOW_HASH_IPV6,
 				ICE_FLOW_SEG_HDR_GTPU_EH |
 				ICE_FLOW_SEG_HDR_IPV6 |
 				ICE_FLOW_SEG_HDR_IPV_OTHER, 0);
@@ -2565,7 +2758,7 @@ static int ice_parse_devargs(struct rte_eth_dev *dev)
 			PMD_DRV_LOG(ERR, "%s GTPU_EH_IPV6 rss flow fail %d",
 				    __func__, ret);
 
-		ret = ice_add_rss_cfg(hw, vsi->idx, ICE_FLOW_HASH_IPV6,
+		ret = ice_add_rss_cfg_wrap(pf, vsi->idx, ICE_FLOW_HASH_IPV6,
 				ICE_FLOW_SEG_HDR_PPPOE |
 				ICE_FLOW_SEG_HDR_IPV6 |
 				ICE_FLOW_SEG_HDR_IPV_OTHER, 0);
@@ -2575,19 +2768,19 @@ static int ice_parse_devargs(struct rte_eth_dev *dev)
 	}
 
 	if (rss_hf & ETH_RSS_NONFRAG_IPV4_UDP) {
-		ret = ice_add_rss_cfg(hw, vsi->idx, ICE_HASH_UDP_IPV4,
+		ret = ice_add_rss_cfg_wrap(pf, vsi->idx, ICE_HASH_UDP_IPV4,
 				ICE_FLOW_SEG_HDR_GTPU_IP, 0);
 		if (ret)
 			PMD_DRV_LOG(ERR, "%s GTPU_IPV4_UDP rss flow fail %d",
 				    __func__, ret);
 
-		ret = ice_add_rss_cfg(hw, vsi->idx, ICE_HASH_UDP_IPV4,
+		ret = ice_add_rss_cfg_wrap(pf, vsi->idx, ICE_HASH_UDP_IPV4,
 				ICE_FLOW_SEG_HDR_GTPU_EH, 0);
 		if (ret)
 			PMD_DRV_LOG(ERR, "%s GTPU_EH_IPV4_UDP rss flow fail %d",
 				    __func__, ret);
 
-		ret = ice_add_rss_cfg(hw, vsi->idx, ICE_HASH_UDP_IPV4,
+		ret = ice_add_rss_cfg_wrap(pf, vsi->idx, ICE_HASH_UDP_IPV4,
 				ICE_FLOW_SEG_HDR_PPPOE, 0);
 		if (ret)
 			PMD_DRV_LOG(ERR, "%s PPPoE_IPV4_UDP rss flow fail %d",
@@ -2595,19 +2788,19 @@ static int ice_parse_devargs(struct rte_eth_dev *dev)
 	}
 
 	if (rss_hf & ETH_RSS_NONFRAG_IPV6_UDP) {
-		ret = ice_add_rss_cfg(hw, vsi->idx, ICE_HASH_UDP_IPV6,
+		ret = ice_add_rss_cfg_wrap(pf, vsi->idx, ICE_HASH_UDP_IPV6,
 				ICE_FLOW_SEG_HDR_GTPU_IP, 0);
 		if (ret)
 			PMD_DRV_LOG(ERR, "%s GTPU_IPV6_UDP rss flow fail %d",
 				    __func__, ret);
 
-		ret = ice_add_rss_cfg(hw, vsi->idx, ICE_HASH_UDP_IPV6,
+		ret = ice_add_rss_cfg_wrap(pf, vsi->idx, ICE_HASH_UDP_IPV6,
 				ICE_FLOW_SEG_HDR_GTPU_EH, 0);
 		if (ret)
 			PMD_DRV_LOG(ERR, "%s GTPU_EH_IPV6_UDP rss flow fail %d",
 				    __func__, ret);
 
-		ret = ice_add_rss_cfg(hw, vsi->idx, ICE_HASH_UDP_IPV6,
+		ret = ice_add_rss_cfg_wrap(pf, vsi->idx, ICE_HASH_UDP_IPV6,
 				ICE_FLOW_SEG_HDR_PPPOE, 0);
 		if (ret)
 			PMD_DRV_LOG(ERR, "%s PPPoE_IPV6_UDP rss flow fail %d",
@@ -2615,19 +2808,19 @@ static int ice_parse_devargs(struct rte_eth_dev *dev)
 	}
 
 	if (rss_hf & ETH_RSS_NONFRAG_IPV4_TCP) {
-		ret = ice_add_rss_cfg(hw, vsi->idx, ICE_HASH_TCP_IPV4,
+		ret = ice_add_rss_cfg_wrap(pf, vsi->idx, ICE_HASH_TCP_IPV4,
 				ICE_FLOW_SEG_HDR_GTPU_IP, 0);
 		if (ret)
 			PMD_DRV_LOG(ERR, "%s GTPU_IPV4_TCP rss flow fail %d",
 				    __func__, ret);
 
-		ret = ice_add_rss_cfg(hw, vsi->idx, ICE_HASH_TCP_IPV4,
+		ret = ice_add_rss_cfg_wrap(pf, vsi->idx, ICE_HASH_TCP_IPV4,
 				ICE_FLOW_SEG_HDR_GTPU_EH, 0);
 		if (ret)
 			PMD_DRV_LOG(ERR, "%s GTPU_EH_IPV4_TCP rss flow fail %d",
 				    __func__, ret);
 
-		ret = ice_add_rss_cfg(hw, vsi->idx, ICE_HASH_TCP_IPV4,
+		ret = ice_add_rss_cfg_wrap(pf, vsi->idx, ICE_HASH_TCP_IPV4,
 				ICE_FLOW_SEG_HDR_PPPOE, 0);
 		if (ret)
 			PMD_DRV_LOG(ERR, "%s PPPoE_IPV4_TCP rss flow fail %d",
@@ -2635,19 +2828,19 @@ static int ice_parse_devargs(struct rte_eth_dev *dev)
 	}
 
 	if (rss_hf & ETH_RSS_NONFRAG_IPV6_TCP) {
-		ret = ice_add_rss_cfg(hw, vsi->idx, ICE_HASH_TCP_IPV6,
+		ret = ice_add_rss_cfg_wrap(pf, vsi->idx, ICE_HASH_TCP_IPV6,
 				ICE_FLOW_SEG_HDR_GTPU_IP, 0);
 		if (ret)
 			PMD_DRV_LOG(ERR, "%s GTPU_IPV6_TCP rss flow fail %d",
 				    __func__, ret);
 
-		ret = ice_add_rss_cfg(hw, vsi->idx, ICE_HASH_TCP_IPV6,
+		ret = ice_add_rss_cfg_wrap(pf, vsi->idx, ICE_HASH_TCP_IPV6,
 				ICE_FLOW_SEG_HDR_GTPU_EH, 0);
 		if (ret)
 			PMD_DRV_LOG(ERR, "%s GTPU_EH_IPV6_TCP rss flow fail %d",
 				    __func__, ret);
 
-		ret = ice_add_rss_cfg(hw, vsi->idx, ICE_HASH_TCP_IPV6,
+		ret = ice_add_rss_cfg_wrap(pf, vsi->idx, ICE_HASH_TCP_IPV6,
 				ICE_FLOW_SEG_HDR_PPPOE, 0);
 		if (ret)
 			PMD_DRV_LOG(ERR, "%s PPPoE_IPV6_TCP rss flow fail %d",
@@ -2655,13 +2848,13 @@ static int ice_parse_devargs(struct rte_eth_dev *dev)
 	}
 
 	if (rss_hf & ETH_RSS_NONFRAG_IPV4_SCTP) {
-		ret = ice_add_rss_cfg(hw, vsi->idx, ICE_HASH_SCTP_IPV4,
+		ret = ice_add_rss_cfg_wrap(pf, vsi->idx, ICE_HASH_SCTP_IPV4,
 				ICE_FLOW_SEG_HDR_GTPU_IP, 0);
 		if (ret)
 			PMD_DRV_LOG(ERR, "%s GTPU_IPV4_SCTP rss flow fail %d",
 				    __func__, ret);
 
-		ret = ice_add_rss_cfg(hw, vsi->idx, ICE_HASH_SCTP_IPV4,
+		ret = ice_add_rss_cfg_wrap(pf, vsi->idx, ICE_HASH_SCTP_IPV4,
 				ICE_FLOW_SEG_HDR_GTPU_EH, 0);
 		if (ret)
 			PMD_DRV_LOG(ERR, "%s GTPU_EH_IPV4_SCTP rss flow fail %d",
@@ -2669,13 +2862,13 @@ static int ice_parse_devargs(struct rte_eth_dev *dev)
 	}
 
 	if (rss_hf & ETH_RSS_NONFRAG_IPV6_SCTP) {
-		ret = ice_add_rss_cfg(hw, vsi->idx, ICE_HASH_SCTP_IPV6,
+		ret = ice_add_rss_cfg_wrap(pf, vsi->idx, ICE_HASH_SCTP_IPV6,
 				ICE_FLOW_SEG_HDR_GTPU_IP, 0);
 		if (ret)
 			PMD_DRV_LOG(ERR, "%s GTPU_IPV6_SCTP rss flow fail %d",
 				    __func__, ret);
 
-		ret = ice_add_rss_cfg(hw, vsi->idx, ICE_HASH_SCTP_IPV6,
+		ret = ice_add_rss_cfg_wrap(pf, vsi->idx, ICE_HASH_SCTP_IPV6,
 				ICE_FLOW_SEG_HDR_GTPU_EH, 0);
 		if (ret)
 			PMD_DRV_LOG(ERR, "%s GTPU_EH_IPV6_SCTP rss flow fail %d",
@@ -2683,6 +2876,19 @@ static int ice_parse_devargs(struct rte_eth_dev *dev)
 	}
 }
 
+static void
+ice_rss_ctx_init(struct ice_pf *pf)
+{
+	ICE_HASH_CFG_RESET(&pf->gtpu_hash_ctx.ipv4);
+	ICE_HASH_CFG_RESET(&pf->gtpu_hash_ctx.ipv6);
+
+	ICE_HASH_CFG_RESET(&pf->gtpu_hash_ctx.ipv4_udp);
+	ICE_HASH_CFG_RESET(&pf->gtpu_hash_ctx.ipv6_udp);
+
+	ICE_HASH_CFG_RESET(&pf->gtpu_hash_ctx.ipv4_tcp);
+	ICE_HASH_CFG_RESET(&pf->gtpu_hash_ctx.ipv6_tcp);
+}
+
 static int ice_init_rss(struct ice_pf *pf)
 {
 	struct ice_hw *hw = ICE_PF_TO_HW(pf);
@@ -2743,6 +2949,9 @@ static int ice_init_rss(struct ice_pf *pf)
 		(1 << VSIQF_HASH_CTL_HASH_SCHEME_S);
 	ICE_WRITE_REG(hw, VSIQF_HASH_CTL(vsi->vsi_id), reg);
 
+	/* Initialize RSS context for gtpu_eh */
+	ice_rss_ctx_init(pf);
+
 	/* RSS hash configuration */
 	ice_rss_hash_set(pf, rss_conf->rss_hf);
 
diff --git a/drivers/net/ice/ice_ethdev.h b/drivers/net/ice/ice_ethdev.h
index 87984ef..f740532 100644
--- a/drivers/net/ice/ice_ethdev.h
+++ b/drivers/net/ice/ice_ethdev.h
@@ -358,6 +358,28 @@ struct ice_fdir_info {
 	struct ice_fdir_counter_pool_container counter;
 };
 
+#define ICE_HASH_CFG_VALID(p)		\
+	((p)->hash_fld != 0 && (p)->pkt_hdr != 0)
+
+#define ICE_HASH_CFG_RESET(p) do {	\
+	(p)->hash_fld = 0;		\
+	(p)->pkt_hdr = 0;		\
+} while (0)
+
+struct ice_hash_cfg {
+	uint32_t pkt_hdr;
+	uint64_t hash_fld;
+};
+
+struct ice_hash_gtpu_ctx {
+	struct ice_hash_cfg ipv4;
+	struct ice_hash_cfg ipv6;
+	struct ice_hash_cfg ipv4_udp;
+	struct ice_hash_cfg ipv4_tcp;
+	struct ice_hash_cfg ipv6_udp;
+	struct ice_hash_cfg ipv6_tcp;
+};
+
 struct ice_pf {
 	struct ice_adapter *adapter; /* The adapter this PF associate to */
 	struct ice_vsi *main_vsi; /* pointer to main VSI structure */
@@ -381,6 +403,7 @@ struct ice_pf {
 	uint16_t fdir_nb_qps; /* The number of queue pairs of Flow Director */
 	uint16_t fdir_qp_offset;
 	struct ice_fdir_info fdir; /* flow director info */
+	struct ice_hash_gtpu_ctx gtpu_hash_ctx;
 	uint16_t hw_prof_cnt[ICE_FLTR_PTYPE_MAX][ICE_FD_HW_SEG_MAX];
 	uint16_t fdir_fltr_cnt[ICE_FLTR_PTYPE_MAX][ICE_FD_HW_SEG_MAX];
 	struct ice_hw_port_stats stats_offset;
@@ -482,6 +505,10 @@ struct ice_vsi *
 void ice_vsi_enable_queues_intr(struct ice_vsi *vsi);
 void ice_vsi_disable_queues_intr(struct ice_vsi *vsi);
 void ice_vsi_queues_bind_intr(struct ice_vsi *vsi);
+int ice_add_rss_cfg_wrap(struct ice_pf *pf, uint16_t vsi_id,
+		uint64_t hash_fld, uint32_t pkt_hdr, bool symm);
+int ice_rem_rss_cfg_wrap(struct ice_pf *pf, uint16_t vsi_id,
+		uint64_t hash_fld, uint32_t pkt_hdr);
 
 static inline int
 ice_align_floor(int n)
diff --git a/drivers/net/ice/ice_hash.c b/drivers/net/ice/ice_hash.c
index 2845ca0..143ced1 100644
--- a/drivers/net/ice/ice_hash.c
+++ b/drivers/net/ice/ice_hash.c
@@ -1262,7 +1262,7 @@ struct ice_hash_match_type ice_hash_type_list[] = {
 			(hash_function ==
 				RTE_ETH_HASH_FUNCTION_SYMMETRIC_TOEPLITZ);
 
-		ret = ice_add_rss_cfg(hw, vsi->idx,
+		ret = ice_add_rss_cfg_wrap(pf, vsi->idx,
 				filter_ptr->rss_cfg.hashed_flds,
 				filter_ptr->rss_cfg.packet_hdr,
 				filter_ptr->rss_cfg.symm);
@@ -1306,7 +1306,7 @@ struct ice_hash_match_type ice_hash_type_list[] = {
 			(1 << VSIQF_HASH_CTL_HASH_SCHEME_S);
 		ICE_WRITE_REG(hw, VSIQF_HASH_CTL(vsi->vsi_id), reg);
 	} else {
-		ret = ice_rem_rss_cfg(hw, vsi->idx,
+		ret = ice_rem_rss_cfg_wrap(pf, vsi->idx,
 				filter_ptr->rss_cfg.hashed_flds,
 				filter_ptr->rss_cfg.packet_hdr);
 		/* Fixme: Ignore the error if a rule does not exist.
-- 
1.8.3.1



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