From: Jeff Guo Date: Tue, 7 Jul 2020 05:25:44 +0000 (+0800) Subject: net/ice: support hash for GTPU protocols X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=37e444b77814f52786d3879fdbb32300af67c836;p=dpdk.git net/ice: support hash for GTPU protocols Support hash flow for the new protocols of GTPU_EH UPLINK, GTPU_EH DOWNLINK and GTPU_IP. Signed-off-by: Jeff Guo Acked-by: Qi Zhang --- diff --git a/drivers/net/ice/ice_hash.c b/drivers/net/ice/ice_hash.c index ad018deec5..8ad1e2afe7 100644 --- a/drivers/net/ice/ice_hash.c +++ b/drivers/net/ice/ice_hash.c @@ -25,6 +25,9 @@ #include "ice_ethdev.h" #include "ice_generic_flow.h" +#define ICE_GTPU_EH_DWNLINK 0 +#define ICE_GTPU_EH_UPLINK 1 + struct rss_type_match_hdr { uint32_t hdr_mask; uint64_t eth_rss_hint; @@ -93,6 +96,10 @@ struct rss_type_match_hdr hint_eth_ipv4_sctp = { ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV_OTHER | ICE_FLOW_SEG_HDR_SCTP, ETH_RSS_ETH | ETH_RSS_NONFRAG_IPV4_SCTP}; +struct rss_type_match_hdr hint_eth_ipv4_gtpu_ipv4 = { + ICE_FLOW_SEG_HDR_GTPU_IP | ICE_FLOW_SEG_HDR_IPV4 | + ICE_FLOW_SEG_HDR_IPV_OTHER, + ETH_RSS_GTPU | ETH_RSS_IPV4}; struct rss_type_match_hdr hint_eth_ipv4_gtpu_eh_ipv4 = { ICE_FLOW_SEG_HDR_GTPU_EH | ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV_OTHER, @@ -173,6 +180,8 @@ static struct ice_pattern_match_item ice_hash_pattern_list_comms[] = { &hint_eth_ipv4_tcp}, {pattern_eth_ipv4_sctp, ICE_INSET_NONE, &hint_eth_ipv4_sctp}, + {pattern_eth_ipv4_gtpu_ipv4, ICE_INSET_NONE, + &hint_eth_ipv4_gtpu_ipv4}, {pattern_eth_ipv4_gtpu_eh_ipv4, ICE_INSET_NONE, &hint_eth_ipv4_gtpu_eh_ipv4}, {pattern_eth_ipv4_gtpu_eh_ipv4_udp, ICE_INSET_NONE, @@ -459,10 +468,15 @@ ice_hash_init(struct ice_adapter *ad) } static int -ice_hash_check_inset(const struct rte_flow_item pattern[], - struct rte_flow_error *error) +ice_hash_parse_pattern(struct ice_pattern_match_item *pattern_match_item, + const struct rte_flow_item pattern[], void **meta, + struct rte_flow_error *error) { + uint32_t hdr_mask = ((struct rss_type_match_hdr *) + (pattern_match_item->meta))->hdr_mask; const struct rte_flow_item *item = pattern; + const struct rte_flow_item_gtp_psc *psc; + uint32_t hdrs = 0; for (item = pattern; item->type != RTE_FLOW_ITEM_TYPE_END; item++) { if (item->last) { @@ -472,15 +486,29 @@ ice_hash_check_inset(const struct rte_flow_item pattern[], return -rte_errno; } - /* Ignore spec and mask. */ - if (item->spec || item->mask) { - rte_flow_error_set(error, EINVAL, - RTE_FLOW_ERROR_TYPE_ITEM, item, - "Invalid spec/mask."); - return -rte_errno; + switch (item->type) { + case RTE_FLOW_ITEM_TYPE_GTPU: + hdrs |= ICE_FLOW_SEG_HDR_GTPU_IP; + break; + case RTE_FLOW_ITEM_TYPE_GTP_PSC: + psc = item->spec; + hdr_mask &= ~ICE_FLOW_SEG_HDR_GTPU_EH; + hdrs &= ~ICE_FLOW_SEG_HDR_GTPU_IP; + if (!psc) + hdrs |= ICE_FLOW_SEG_HDR_GTPU_EH; + else if (psc->pdu_type == ICE_GTPU_EH_UPLINK) + hdrs |= ICE_FLOW_SEG_HDR_GTPU_UP; + else if (psc->pdu_type == ICE_GTPU_EH_DWNLINK) + hdrs |= ICE_FLOW_SEG_HDR_GTPU_DWN; + break; + default: + break; } } + /* Save protocol header to rss_meta. */ + ((struct rss_meta *)*meta)->pkt_hdr |= hdr_mask | hdrs; + return 0; } @@ -575,6 +603,22 @@ ice_hash_parse_action(struct ice_pattern_match_item *pattern_match_item, } } + /* update hash field for gtpu-ip and gtpu-eh. */ + if (rss_type != ETH_RSS_GTPU) + break; + else if (hash_meta->pkt_hdr & ICE_FLOW_SEG_HDR_GTPU_IP) + hash_meta->hash_flds |= + BIT_ULL(ICE_FLOW_FIELD_IDX_GTPU_IP_TEID); + else if (hash_meta->pkt_hdr & ICE_FLOW_SEG_HDR_GTPU_EH) + hash_meta->hash_flds |= + BIT_ULL(ICE_FLOW_FIELD_IDX_GTPU_EH_TEID); + else if (hash_meta->pkt_hdr & ICE_FLOW_SEG_HDR_GTPU_DWN) + hash_meta->hash_flds |= + BIT_ULL(ICE_FLOW_FIELD_IDX_GTPU_DWN_TEID); + else if (hash_meta->pkt_hdr & ICE_FLOW_SEG_HDR_GTPU_UP) + hash_meta->hash_flds |= + BIT_ULL(ICE_FLOW_FIELD_IDX_GTPU_UP_TEID); + break; case RTE_FLOW_ACTION_TYPE_END: @@ -620,14 +664,11 @@ ice_hash_parse_pattern_action(__rte_unused struct ice_adapter *ad, goto error; } - ret = ice_hash_check_inset(pattern, error); + ret = ice_hash_parse_pattern(pattern_match_item, pattern, + (void **)&rss_meta_ptr, error); if (ret) goto error; - /* Save protocol header to rss_meta. */ - rss_meta_ptr->pkt_hdr = ((struct rss_type_match_hdr *) - (pattern_match_item->meta))->hdr_mask; - /* Check rss action. */ ret = ice_hash_parse_action(pattern_match_item, actions, (void **)&rss_meta_ptr, error);