net/ice: support PPPoE RSS

This patch enables PPPoE control packets with src mac and session id
and PPPoE data packets with ip address and L4 port in rte_flow.

Signed-off-by: Simei Su <simei.su@intel.com>
Acked-by: Qi Zhang <qi.z.zhang@intel.com>

diff --git a/drivers/net/ice/ice_hash.c b/drivers/net/ice/ice_hash.c
index 3d58b71..eaf6a35 100644 (file)
--- a/drivers/net/ice/ice_hash.c
+++ b/drivers/net/ice/ice_hash.c
@@ -114,6 +114,16 @@ struct rss_type_match_hdr hint_14 = {
        ICE_FLOW_SEG_HDR_GTPU_EH, ETH_RSS_NONFRAG_IPV4_UDP};
 struct rss_type_match_hdr hint_15 = {
        ICE_FLOW_SEG_HDR_GTPU_EH, ETH_RSS_NONFRAG_IPV4_TCP};
+struct rss_type_match_hdr hint_16 = {
+       ICE_FLOW_SEG_HDR_PPPOE, ETH_RSS_IPV6};
+struct rss_type_match_hdr hint_17 = {
+       ICE_FLOW_SEG_HDR_PPPOE, ETH_RSS_NONFRAG_IPV6_UDP};
+struct rss_type_match_hdr hint_18 = {
+       ICE_FLOW_SEG_HDR_PPPOE, ETH_RSS_NONFRAG_IPV6_TCP};
+struct rss_type_match_hdr hint_19 = {
+       ICE_FLOW_SEG_HDR_PPPOE, ETH_RSS_NONFRAG_IPV6_SCTP};
+struct rss_type_match_hdr hint_20 = {
+       ICE_FLOW_SEG_HDR_PPPOE, ETH_RSS_ETH | ETH_RSS_PPPOE};
 
 /* Supported pattern for os default package. */
 static struct ice_pattern_match_item ice_hash_pattern_list_os[] = {
@@ -146,6 +156,11 @@ static struct ice_pattern_match_item ice_hash_pattern_list_comms[] = {
        {pattern_eth_pppoes_ipv4_udp,       ICE_INSET_NONE,  &hint_11},
        {pattern_eth_pppoes_ipv4_tcp,       ICE_INSET_NONE,  &hint_12},
        {pattern_eth_pppoes_ipv4_sctp,      ICE_INSET_NONE,  &hint_13},
+       {pattern_eth_pppoes_ipv6,           ICE_INSET_NONE,  &hint_16},
+       {pattern_eth_pppoes_ipv6_udp,       ICE_INSET_NONE,  &hint_17},
+       {pattern_eth_pppoes_ipv6_tcp,       ICE_INSET_NONE,  &hint_18},
+       {pattern_eth_pppoes_ipv6_sctp,      ICE_INSET_NONE,  &hint_19},
+       {pattern_eth_pppoes,                ICE_INSET_NONE,  &hint_20},
 };
 
 /**
@@ -213,6 +228,9 @@ struct ice_hash_match_type ice_hash_type_list[] = {
        {ETH_RSS_NONFRAG_IPV6_SCTP | ETH_RSS_L4_SRC_ONLY,                       BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT)},
        {ETH_RSS_NONFRAG_IPV6_SCTP | ETH_RSS_L4_DST_ONLY,                       BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_DST_PORT)},
        {ETH_RSS_NONFRAG_IPV6_SCTP,                                             ICE_HASH_SCTP_IPV6},
+       {ETH_RSS_ETH | ETH_RSS_L2_SRC_ONLY,                                     BIT_ULL(ICE_FLOW_FIELD_IDX_ETH_SA)},
+       {ETH_RSS_PPPOE,                                                         ICE_FLOW_HASH_PPPOE_SESS_ID},
+       {ETH_RSS_ETH | ETH_RSS_PPPOE | ETH_RSS_L2_SRC_ONLY,                     ICE_FLOW_HASH_PPPOE_SESS_ID | BIT_ULL(ICE_FLOW_FIELD_IDX_ETH_SA)},
 };
 
 static struct ice_flow_engine ice_hash_engine = {
@@ -331,6 +349,13 @@ ice_hash_parse_action(struct ice_pattern_match_item *pattern_match_item,
                                        RTE_FLOW_ERROR_TYPE_ACTION, action,
                                        "Not supported flow");
 
+                       if ((rss_hf & ETH_RSS_ETH) && (rss_hf & ~ETH_RSS_PPPOE))
+                               m->eth_rss_hint = ETH_RSS_ETH;
+                       else if ((rss_hf & ETH_RSS_PPPOE) && (rss_hf & ~ETH_RSS_ETH))
+                               m->eth_rss_hint = ETH_RSS_PPPOE;
+                       else if ((rss_hf & ETH_RSS_ETH) && (rss_hf & ETH_RSS_PPPOE))
+                               m->eth_rss_hint = ETH_RSS_ETH | ETH_RSS_PPPOE;
+
                        /* Check if rss types match pattern. */
                        if (rss->func != RTE_ETH_HASH_FUNCTION_SIMPLE_XOR) {
                                if (((rss_hf & ETH_RSS_IPV4) != m->eth_rss_hint) &&
@@ -340,7 +365,11 @@ ice_hash_parse_action(struct ice_pattern_match_item *pattern_match_item,
                                ((rss_hf & ETH_RSS_IPV6) != m->eth_rss_hint) &&
                                ((rss_hf & ETH_RSS_NONFRAG_IPV6_UDP) != m->eth_rss_hint) &&
                                ((rss_hf & ETH_RSS_NONFRAG_IPV6_TCP) != m->eth_rss_hint) &&
-                               ((rss_hf & ETH_RSS_NONFRAG_IPV6_SCTP) != m->eth_rss_hint))
+                               ((rss_hf & ETH_RSS_NONFRAG_IPV6_SCTP) != m->eth_rss_hint) &&
+                               ((rss_hf & ETH_RSS_ETH) != m->eth_rss_hint) &&
+                               ((rss_hf & ETH_RSS_PPPOE) != m->eth_rss_hint) &&
+                               (((rss_hf & (ETH_RSS_ETH | ETH_RSS_PPPOE)) !=
+                                                                       m->eth_rss_hint)))
                                        return rte_flow_error_set(error,
                                        ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION,
                                        action, "Not supported RSS types");