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Signed-off-by: Long Wu Reviewed-by: Peng Zhang Reviewed-by: Chaoyong He --- drivers/net/nfp/flower/nfp_flower_bond.c | 53 ++++++++++++ drivers/net/nfp/flower/nfp_flower_bond.h | 14 +++ drivers/net/nfp/flower/nfp_flower_ctrl.c | 106 +++++++++++++++++++++-- 3 files changed, 168 insertions(+), 5 deletions(-) diff --git a/drivers/net/nfp/flower/nfp_flower_bond.c b/drivers/net/nfp/flower/nfp_flower_bond.c index 523e0025ad..73b616360a 100644 --- a/drivers/net/nfp/flower/nfp_flower_bond.c +++ b/drivers/net/nfp/flower/nfp_flower_bond.c @@ -161,6 +161,8 @@ nfp_flower_bond_init(struct nfp_app_fw_flower *app_fw_flower) LIST_INIT(&nfp_bond->group_list); nfp_flower_bond_increment_version(nfp_bond); nfp_bond->app_fw_flower = app_fw_flower; + nfp_bond->retrans.head = 0; + nfp_bond->retrans.rear = 0; return 0; } @@ -168,6 +170,7 @@ nfp_flower_bond_init(struct nfp_app_fw_flower *app_fw_flower) void nfp_flower_bond_cleanup(struct nfp_app_fw_flower *app_fw_flower) { + struct rte_mbuf *mbuf_tmp; struct nfp_bond_group *entry; struct nfp_flower_bond *nfp_bond = app_fw_flower->nfp_bond; @@ -177,6 +180,12 @@ nfp_flower_bond_cleanup(struct nfp_app_fw_flower *app_fw_flower) LIST_REMOVE(entry, next); rte_free(entry); } + + mbuf_tmp = nfp_fl_bond_get_unprocessed(nfp_bond); + for (; mbuf_tmp != NULL; + mbuf_tmp = nfp_fl_bond_get_unprocessed(nfp_bond)) + rte_pktmbuf_free(mbuf_tmp); + pthread_mutex_unlock(&nfp_bond->mutex); pthread_mutex_destroy(&nfp_bond->mutex); @@ -587,3 +596,47 @@ nfp_flower_bond_all_member_are_phyrepr(struct rte_eth_dev *bond_dev) return true; } + +int +nfp_fl_bond_put_unprocessed(struct nfp_flower_bond *nfp_bond, + struct rte_mbuf *mbuf) +{ + uint16_t rear_real; + struct nfp_flower_bond_retrans *retrans; + struct nfp_flower_cmsg_bond_config *cmsg_payload; + + cmsg_payload = rte_pktmbuf_mtod_offset(mbuf, + struct nfp_flower_cmsg_bond_config *, + NFP_FLOWER_CMSG_HLEN); + + if (rte_be_to_cpu_32(cmsg_payload->group_id) >= NFP_FL_BOND_GROUP_MAX) + return -EINVAL; + + retrans = &nfp_bond->retrans; + rear_real = (retrans->rear + 1) % NFP_FL_BOND_RETRANS_LIMIT; + if (rear_real == retrans->head) + return -ENOSPC; + + retrans->mbufs[retrans->rear] = mbuf; + + retrans->rear = rear_real; + + return 0; +} + +struct rte_mbuf * +nfp_fl_bond_get_unprocessed(struct nfp_flower_bond *nfp_bond) +{ + struct rte_mbuf *mbuf; + struct nfp_flower_bond_retrans *retrans; + + retrans = &nfp_bond->retrans; + if (retrans->rear == retrans->head) + return NULL; + + mbuf = retrans->mbufs[retrans->head]; + + retrans->head = (retrans->head + 1) % NFP_FL_BOND_RETRANS_LIMIT; + + return mbuf; +} diff --git a/drivers/net/nfp/flower/nfp_flower_bond.h b/drivers/net/nfp/flower/nfp_flower_bond.h index 12e61ff1ce..e88d72899f 100644 --- a/drivers/net/nfp/flower/nfp_flower_bond.h +++ b/drivers/net/nfp/flower/nfp_flower_bond.h @@ -41,6 +41,9 @@ #define NFP_FL_BOND_PORT_TX_ENABLED RTE_BIT32(1) #define NFP_FL_BOND_PORT_CHANGED RTE_BIT32(2) +/** We store 100(101-1) mbufs but queue needs 101 */ +#define NFP_FL_BOND_RETRANS_LIMIT 101 + enum nfp_flower_bond_batch { NFP_FLOWER_BOND_BATCH_FIRST, NFP_FLOWER_BOND_BATCH_MEMBER, @@ -53,6 +56,12 @@ enum nfp_flower_bond_event { NFP_FLOWER_UNREGISTER }; +struct nfp_flower_bond_retrans { + struct rte_mbuf *mbufs[NFP_FL_BOND_RETRANS_LIMIT]; + uint16_t head; + uint16_t rear; +}; + /* Control message payload for bond config */ struct nfp_flower_cmsg_bond_config { /** Configuration flags */ @@ -113,6 +122,8 @@ struct nfp_flower_bond { bool group_id_map[NFP_FL_BOND_GROUP_MAX]; /** Pointer to the flower app */ struct nfp_app_fw_flower *app_fw_flower; + /** Store bond offload packets from firmware */ + struct nfp_flower_bond_retrans retrans; }; struct nfp_flower_bond_cmsg_args { @@ -139,5 +150,8 @@ int nfp_flower_bond_event_handle(struct nfp_flower_bond *nfp_bond, enum nfp_flower_bond_event event); void nfp_flower_bond_do_work(struct nfp_flower_bond *nfp_bond); bool nfp_flower_bond_all_member_are_phyrepr(struct rte_eth_dev *bond_dev); +struct rte_mbuf *nfp_fl_bond_get_unprocessed(struct nfp_flower_bond *nfp_bond); +int nfp_fl_bond_put_unprocessed(struct nfp_flower_bond *nfp_bond, + struct rte_mbuf *mbuf); #endif /* __NFP_FLOWER_BOND_H__ */ diff --git a/drivers/net/nfp/flower/nfp_flower_ctrl.c b/drivers/net/nfp/flower/nfp_flower_ctrl.c index c25487c277..75c8c0b20a 100644 --- a/drivers/net/nfp/flower/nfp_flower_ctrl.c +++ b/drivers/net/nfp/flower/nfp_flower_ctrl.c @@ -15,6 +15,36 @@ #define MAX_PKT_BURST 32 +static void +nfp_flower_bond_recover_status(struct nfp_flower_bond *nfp_bond) +{ + int err; + struct rte_mbuf *mbuf_tmp; + struct nfp_bond_group *entry; + + pthread_mutex_lock(&nfp_bond->mutex); + + /* Clear all unprocessed messages */ + mbuf_tmp = nfp_fl_bond_get_unprocessed(nfp_bond); + for (; mbuf_tmp != NULL; + mbuf_tmp = nfp_fl_bond_get_unprocessed(nfp_bond)) + rte_pktmbuf_free(mbuf_tmp); + + /* Mark all groups dirty */ + LIST_FOREACH(entry, &nfp_bond->group_list, next) + entry->dirty = true; + + /* Reset NFP group config */ + err = nfp_flower_bond_reset(nfp_bond); + if (err != 0) + PMD_DRV_LOG(ERR, "Mem err in group reset msg"); + + pthread_mutex_unlock(&nfp_bond->mutex); + + /* Schedule a LAG/BOND config update */ + nfp_flower_bond_do_work(nfp_bond); +} + static uint16_t nfp_flower_ctrl_vnic_recv(void *rx_queue, struct rte_mbuf **rx_pkts, @@ -450,6 +480,55 @@ nfp_flower_cmsg_port_mod_rx(struct nfp_app_fw_flower *app_fw_flower, return 0; } +static bool +nfp_flower_bond_unprocessed_msg(void *app_flower, + struct rte_mbuf *mbuf) +{ + uint16_t cnt; + uint8_t flags; + bool store_tag = false; + struct rte_mbuf *mbuf_tmp; + struct nfp_flower_bond *nfp_bond; + struct nfp_flower_cmsg_bond_config *cmsg_payload; + struct nfp_app_fw_flower *app_fw_flower = app_flower; + + cmsg_payload = rte_pktmbuf_mtod_offset(mbuf, + struct nfp_flower_cmsg_bond_config *, + NFP_FLOWER_CMSG_HLEN); + + flags = cmsg_payload->ctrl_flags; + + /* + * Note the intentional fall through below. If DATA and XON are both + * set, the message will stored and sent again with the rest of the + * unprocessed messages list. + */ + nfp_bond = app_fw_flower->nfp_bond; + + /* Store */ + if ((flags & NFP_FL_BOND_DATA) != 0) { + if (nfp_fl_bond_put_unprocessed(nfp_bond, mbuf) == 0) + store_tag = true; + } + + /* Send stored */ + if ((flags & NFP_FL_BOND_XON) != 0) { + mbuf_tmp = nfp_fl_bond_get_unprocessed(nfp_bond); + for (; mbuf_tmp != NULL; + mbuf_tmp = nfp_fl_bond_get_unprocessed(nfp_bond)) { + cnt = nfp_flower_ctrl_vnic_xmit(app_fw_flower, mbuf_tmp); + if (cnt == 0) + rte_pktmbuf_free(mbuf_tmp); + } + } + + /* Resend all */ + if ((flags & NFP_FL_BOND_SYNC) != 0) + nfp_flower_bond_recover_status(nfp_bond); + + return store_tag; +} + static void nfp_flower_cmsg_rx(struct nfp_app_fw_flower *app_fw_flower, struct rte_mbuf **pkts_burst, @@ -457,6 +536,7 @@ nfp_flower_cmsg_rx(struct nfp_app_fw_flower *app_fw_flower, { uint16_t i; char *meta; + bool mbuf_stored; uint32_t meta_type; uint32_t meta_info; struct nfp_mtr_priv *mtr_priv; @@ -486,18 +566,34 @@ nfp_flower_cmsg_rx(struct nfp_app_fw_flower *app_fw_flower, continue; } - if (cmsg_hdr->type == NFP_FLOWER_CMSG_TYPE_FLOW_STATS) { + mbuf_stored = false; + + switch (cmsg_hdr->type) { + case NFP_FLOWER_CMSG_TYPE_FLOW_STATS: /* We need to deal with stats updates from HW asap */ nfp_flower_cmsg_rx_stats(flow_priv, pkts_burst[i]); - } else if (cmsg_hdr->type == NFP_FLOWER_CMSG_TYPE_QOS_STATS) { + break; + case NFP_FLOWER_CMSG_TYPE_QOS_STATS: /* Handle meter stats */ nfp_flower_cmsg_rx_qos_stats(mtr_priv, pkts_burst[i]); - } else if (cmsg_hdr->type == NFP_FLOWER_CMSG_TYPE_PORT_MOD) { - /* Handle changes to port configuration/status */ + break; + case NFP_FLOWER_CMSG_TYPE_PORT_MOD: + /* Handle meter stats */ nfp_flower_cmsg_port_mod_rx(app_fw_flower, pkts_burst[i]); + break; + case NFP_FLOWER_CMSG_TYPE_LAG_CONFIG: + /* Handle LAG/BOND related packets */ + if (nfp_flower_support_bond_offload(app_fw_flower)) + mbuf_stored = nfp_flower_bond_unprocessed_msg(app_fw_flower, + pkts_burst[i]); + break; + default: + PMD_DRV_LOG(INFO, "Unmatched repr message type: %u", + cmsg_hdr->type); } - rte_pktmbuf_free(pkts_burst[i]); + if (!mbuf_stored) + rte_pktmbuf_free(pkts_burst[i]); } }