From ba1b3b081edf5c43388e4684e4f2966a31e9e00b Mon Sep 17 00:00:00 2001 From: Vivek Sharma Date: Sun, 30 Jun 2019 07:55:19 +0530 Subject: [PATCH] net/octeontx2: support VLAN offloads Support configuring VLAN offloads for an ethernet device and dynamic promiscuous mode configuration for VLAN filters where filters are updated according to promiscuous mode of the device. Signed-off-by: Vivek Sharma Acked-by: Jerin Jacob --- doc/guides/nics/features/octeontx2.ini | 2 + doc/guides/nics/features/octeontx2_vec.ini | 2 + doc/guides/nics/features/octeontx2_vf.ini | 2 + doc/guides/nics/octeontx2.rst | 1 + drivers/net/octeontx2/otx2_ethdev.c | 1 + drivers/net/octeontx2/otx2_ethdev.h | 3 + drivers/net/octeontx2/otx2_ethdev_ops.c | 1 + drivers/net/octeontx2/otx2_rx.h | 1 + drivers/net/octeontx2/otx2_vlan.c | 523 ++++++++++++++++++++- 9 files changed, 527 insertions(+), 9 deletions(-) diff --git a/doc/guides/nics/features/octeontx2.ini b/doc/guides/nics/features/octeontx2.ini index 33d2f27855..ac4712b0c1 100644 --- a/doc/guides/nics/features/octeontx2.ini +++ b/doc/guides/nics/features/octeontx2.ini @@ -23,6 +23,8 @@ RSS reta update = Y Inner RSS = Y Flow control = Y Flow API = Y +VLAN offload = Y +QinQ offload = Y Packet type parsing = Y Timesync = Y Timestamp offload = Y diff --git a/doc/guides/nics/features/octeontx2_vec.ini b/doc/guides/nics/features/octeontx2_vec.ini index 980a4daf9d..e54c1babe4 100644 --- a/doc/guides/nics/features/octeontx2_vec.ini +++ b/doc/guides/nics/features/octeontx2_vec.ini @@ -23,6 +23,8 @@ RSS reta update = Y Inner RSS = Y Flow control = Y Flow API = Y +VLAN offload = Y +QinQ offload = Y Packet type parsing = Y Rx descriptor status = Y Basic stats = Y diff --git a/doc/guides/nics/features/octeontx2_vf.ini b/doc/guides/nics/features/octeontx2_vf.ini index 330534a908..769ab16ee6 100644 --- a/doc/guides/nics/features/octeontx2_vf.ini +++ b/doc/guides/nics/features/octeontx2_vf.ini @@ -18,6 +18,8 @@ RSS key update = Y RSS reta update = Y Inner RSS = Y Flow API = Y +VLAN offload = Y +QinQ offload = Y Packet type parsing = Y Rx descriptor status = Y Basic stats = Y diff --git a/doc/guides/nics/octeontx2.rst b/doc/guides/nics/octeontx2.rst index ce7016e2b9..9184a76b93 100644 --- a/doc/guides/nics/octeontx2.rst +++ b/doc/guides/nics/octeontx2.rst @@ -24,6 +24,7 @@ Features of the OCTEON TX2 Ethdev PMD are: - Receiver Side Scaling (RSS) - MAC filtering - Generic flow API +- VLAN/QinQ stripping and insertion - Port hardware statistics - Link state information - Link flow control diff --git a/drivers/net/octeontx2/otx2_ethdev.c b/drivers/net/octeontx2/otx2_ethdev.c index 2deaf1a907..2924d43a8b 100644 --- a/drivers/net/octeontx2/otx2_ethdev.c +++ b/drivers/net/octeontx2/otx2_ethdev.c @@ -1364,6 +1364,7 @@ static const struct eth_dev_ops otx2_eth_dev_ops = { .timesync_adjust_time = otx2_nix_timesync_adjust_time, .timesync_read_time = otx2_nix_timesync_read_time, .timesync_write_time = otx2_nix_timesync_write_time, + .vlan_offload_set = otx2_nix_vlan_offload_set, }; static inline int diff --git a/drivers/net/octeontx2/otx2_ethdev.h b/drivers/net/octeontx2/otx2_ethdev.h index 8577272b46..50fd18b6e4 100644 --- a/drivers/net/octeontx2/otx2_ethdev.h +++ b/drivers/net/octeontx2/otx2_ethdev.h @@ -221,6 +221,7 @@ struct otx2_vlan_info { uint8_t filter_on; uint8_t strip_on; uint8_t qinq_on; + uint8_t promisc_on; }; struct otx2_eth_dev { @@ -447,6 +448,8 @@ int otx2_nix_update_flow_ctrl_mode(struct rte_eth_dev *eth_dev); /* VLAN */ int otx2_nix_vlan_offload_init(struct rte_eth_dev *eth_dev); int otx2_nix_vlan_fini(struct rte_eth_dev *eth_dev); +int otx2_nix_vlan_offload_set(struct rte_eth_dev *eth_dev, int mask); +void otx2_nix_vlan_update_promisc(struct rte_eth_dev *eth_dev, int enable); /* Lookup configuration */ void *otx2_nix_fastpath_lookup_mem_get(void); diff --git a/drivers/net/octeontx2/otx2_ethdev_ops.c b/drivers/net/octeontx2/otx2_ethdev_ops.c index e55acd4e02..690d8ac0c0 100644 --- a/drivers/net/octeontx2/otx2_ethdev_ops.c +++ b/drivers/net/octeontx2/otx2_ethdev_ops.c @@ -40,6 +40,7 @@ otx2_nix_promisc_config(struct rte_eth_dev *eth_dev, int en) otx2_mbox_process(mbox); eth_dev->data->promiscuous = en; + otx2_nix_vlan_update_promisc(eth_dev, en); } void diff --git a/drivers/net/octeontx2/otx2_rx.h b/drivers/net/octeontx2/otx2_rx.h index e18e046583..7dc34d7050 100644 --- a/drivers/net/octeontx2/otx2_rx.h +++ b/drivers/net/octeontx2/otx2_rx.h @@ -16,6 +16,7 @@ sizeof(uint16_t)) #define NIX_RX_OFFLOAD_PTYPE_F BIT(1) +#define NIX_RX_OFFLOAD_VLAN_STRIP_F BIT(3) #define NIX_RX_OFFLOAD_MARK_UPDATE_F BIT(4) #define NIX_RX_OFFLOAD_TSTAMP_F BIT(5) diff --git a/drivers/net/octeontx2/otx2_vlan.c b/drivers/net/octeontx2/otx2_vlan.c index b3136d2cfb..7cf4f3136e 100644 --- a/drivers/net/octeontx2/otx2_vlan.c +++ b/drivers/net/octeontx2/otx2_vlan.c @@ -14,6 +14,7 @@ #define MAC_ADDR_MATCH 0x4 #define QINQ_F_MATCH 0x8 #define VLAN_DROP 0x10 +#define DEF_F_ENTRY 0x20 enum vtag_cfg_dir { VTAG_TX, @@ -39,8 +40,50 @@ __rte_unused nix_vlan_mcam_enb_dis(struct otx2_eth_dev *dev, return rc; } +static void +nix_set_rx_vlan_action(struct rte_eth_dev *eth_dev, + struct mcam_entry *entry, bool qinq, bool drop) +{ + struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev); + int pcifunc = otx2_pfvf_func(dev->pf, dev->vf); + uint64_t action = 0, vtag_action = 0; + + action = NIX_RX_ACTIONOP_UCAST; + + if (eth_dev->data->dev_conf.rxmode.mq_mode == ETH_MQ_RX_RSS) { + action = NIX_RX_ACTIONOP_RSS; + action |= (uint64_t)(dev->rss_info.alg_idx) << 56; + } + + action |= (uint64_t)pcifunc << 4; + entry->action = action; + + if (drop) { + entry->action &= ~((uint64_t)0xF); + entry->action |= NIX_RX_ACTIONOP_DROP; + return; + } + + if (!qinq) { + /* VTAG0 fields denote CTAG in single vlan case */ + vtag_action |= (NIX_RX_VTAGACTION_VTAG_VALID << 15); + vtag_action |= (NPC_LID_LB << 8); + vtag_action |= NIX_RX_VTAGACTION_VTAG0_RELPTR; + } else { + /* VTAG0 & VTAG1 fields denote CTAG & STAG respectively */ + vtag_action |= (NIX_RX_VTAGACTION_VTAG_VALID << 15); + vtag_action |= (NPC_LID_LB << 8); + vtag_action |= NIX_RX_VTAGACTION_VTAG1_RELPTR; + vtag_action |= (NIX_RX_VTAGACTION_VTAG_VALID << 47); + vtag_action |= ((uint64_t)(NPC_LID_LB) << 40); + vtag_action |= (NIX_RX_VTAGACTION_VTAG0_RELPTR << 32); + } + + entry->vtag_action = vtag_action; +} + static int -__rte_unused nix_vlan_mcam_free(struct otx2_eth_dev *dev, uint32_t entry) +nix_vlan_mcam_free(struct otx2_eth_dev *dev, uint32_t entry) { struct npc_mcam_free_entry_req *req; struct otx2_mbox *mbox = dev->mbox; @@ -54,8 +97,8 @@ __rte_unused nix_vlan_mcam_free(struct otx2_eth_dev *dev, uint32_t entry) } static int -__rte_unused nix_vlan_mcam_write(struct rte_eth_dev *eth_dev, uint16_t ent_idx, - struct mcam_entry *entry, uint8_t intf) +nix_vlan_mcam_write(struct rte_eth_dev *eth_dev, uint16_t ent_idx, + struct mcam_entry *entry, uint8_t intf, uint8_t ena) { struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev); struct npc_mcam_write_entry_req *req; @@ -67,7 +110,7 @@ __rte_unused nix_vlan_mcam_write(struct rte_eth_dev *eth_dev, uint16_t ent_idx, req->entry = ent_idx; req->intf = intf; - req->enable_entry = 1; + req->enable_entry = ena; memcpy(&req->entry_data, entry, sizeof(struct mcam_entry)); rc = otx2_mbox_process_msg(mbox, (void *)&rsp); @@ -75,9 +118,9 @@ __rte_unused nix_vlan_mcam_write(struct rte_eth_dev *eth_dev, uint16_t ent_idx, } static int -__rte_unused nix_vlan_mcam_alloc_and_write(struct rte_eth_dev *eth_dev, - struct mcam_entry *entry, - uint8_t intf, bool drop) +nix_vlan_mcam_alloc_and_write(struct rte_eth_dev *eth_dev, + struct mcam_entry *entry, + uint8_t intf, bool drop) { struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev); struct npc_mcam_alloc_and_write_entry_req *req; @@ -114,6 +157,443 @@ __rte_unused nix_vlan_mcam_alloc_and_write(struct rte_eth_dev *eth_dev, return rsp->entry; } +static void +nix_vlan_update_mac(struct rte_eth_dev *eth_dev, int mcam_index, + int enable) +{ + struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev); + struct vlan_mkex_info *mkex = &dev->vlan_info.mkex; + volatile uint8_t *key_data, *key_mask; + struct npc_mcam_read_entry_req *req; + struct npc_mcam_read_entry_rsp *rsp; + struct otx2_mbox *mbox = dev->mbox; + uint64_t mcam_data, mcam_mask; + struct mcam_entry entry; + uint8_t intf, mcam_ena; + int idx, rc = -EINVAL; + uint8_t *mac_addr; + + memset(&entry, 0, sizeof(struct mcam_entry)); + + /* Read entry first */ + req = otx2_mbox_alloc_msg_npc_mcam_read_entry(mbox); + + req->entry = mcam_index; + + rc = otx2_mbox_process_msg(mbox, (void *)&rsp); + if (rc) { + otx2_err("Failed to read entry %d", mcam_index); + return; + } + + entry = rsp->entry_data; + intf = rsp->intf; + mcam_ena = rsp->enable; + + /* Update mcam address */ + key_data = (volatile uint8_t *)entry.kw; + key_mask = (volatile uint8_t *)entry.kw_mask; + + if (enable) { + mcam_mask = 0; + otx2_mbox_memcpy(key_mask + mkex->la_xtract.key_off, + &mcam_mask, mkex->la_xtract.len + 1); + + } else { + mcam_data = 0ULL; + mac_addr = dev->mac_addr; + for (idx = RTE_ETHER_ADDR_LEN - 1; idx >= 0; idx--) + mcam_data |= ((uint64_t)*mac_addr++) << (8 * idx); + + mcam_mask = BIT_ULL(48) - 1; + + otx2_mbox_memcpy(key_data + mkex->la_xtract.key_off, + &mcam_data, mkex->la_xtract.len + 1); + otx2_mbox_memcpy(key_mask + mkex->la_xtract.key_off, + &mcam_mask, mkex->la_xtract.len + 1); + } + + /* Write back the mcam entry */ + rc = nix_vlan_mcam_write(eth_dev, mcam_index, + &entry, intf, mcam_ena); + if (rc) { + otx2_err("Failed to write entry %d", mcam_index); + return; + } +} + +void +otx2_nix_vlan_update_promisc(struct rte_eth_dev *eth_dev, int enable) +{ + struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev); + struct otx2_vlan_info *vlan = &dev->vlan_info; + struct vlan_entry *entry; + + /* Already in required mode */ + if (enable == vlan->promisc_on) + return; + + /* Update default rx entry */ + if (vlan->def_rx_mcam_idx) + nix_vlan_update_mac(eth_dev, vlan->def_rx_mcam_idx, enable); + + /* Update all other rx filter entries */ + TAILQ_FOREACH(entry, &vlan->fltr_tbl, next) + nix_vlan_update_mac(eth_dev, entry->mcam_idx, enable); + + vlan->promisc_on = enable; +} + +/* Configure mcam entry with required MCAM search rules */ +static int +nix_vlan_mcam_config(struct rte_eth_dev *eth_dev, + uint16_t vlan_id, uint16_t flags) +{ + struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev); + struct vlan_mkex_info *mkex = &dev->vlan_info.mkex; + volatile uint8_t *key_data, *key_mask; + uint64_t mcam_data, mcam_mask; + struct mcam_entry entry; + uint8_t *mac_addr; + int idx, kwi = 0; + + memset(&entry, 0, sizeof(struct mcam_entry)); + key_data = (volatile uint8_t *)entry.kw; + key_mask = (volatile uint8_t *)entry.kw_mask; + + /* Channel base extracted to KW0[11:0] */ + entry.kw[kwi] = dev->rx_chan_base; + entry.kw_mask[kwi] = BIT_ULL(12) - 1; + + /* Adds vlan_id & LB CTAG flag to MCAM KW */ + if (flags & VLAN_ID_MATCH) { + entry.kw[kwi] |= NPC_LT_LB_CTAG << mkex->lb_lt_offset; + entry.kw_mask[kwi] |= 0xFULL << mkex->lb_lt_offset; + + mcam_data = (vlan_id << 16); + mcam_mask = (BIT_ULL(16) - 1) << 16; + otx2_mbox_memcpy(key_data + mkex->lb_xtract.key_off, + &mcam_data, mkex->lb_xtract.len + 1); + otx2_mbox_memcpy(key_mask + mkex->lb_xtract.key_off, + &mcam_mask, mkex->lb_xtract.len + 1); + } + + /* Adds LB STAG flag to MCAM KW */ + if (flags & QINQ_F_MATCH) { + entry.kw[kwi] |= NPC_LT_LB_STAG << mkex->lb_lt_offset; + entry.kw_mask[kwi] |= 0xFULL << mkex->lb_lt_offset; + } + + /* Adds LB CTAG & LB STAG flags to MCAM KW */ + if (flags & VTAG_F_MATCH) { + entry.kw[kwi] |= (NPC_LT_LB_CTAG | NPC_LT_LB_STAG) + << mkex->lb_lt_offset; + entry.kw_mask[kwi] |= (NPC_LT_LB_CTAG & NPC_LT_LB_STAG) + << mkex->lb_lt_offset; + } + + /* Adds port MAC address to MCAM KW */ + if (flags & MAC_ADDR_MATCH) { + mcam_data = 0ULL; + mac_addr = dev->mac_addr; + for (idx = RTE_ETHER_ADDR_LEN - 1; idx >= 0; idx--) + mcam_data |= ((uint64_t)*mac_addr++) << (8 * idx); + + mcam_mask = BIT_ULL(48) - 1; + otx2_mbox_memcpy(key_data + mkex->la_xtract.key_off, + &mcam_data, mkex->la_xtract.len + 1); + otx2_mbox_memcpy(key_mask + mkex->la_xtract.key_off, + &mcam_mask, mkex->la_xtract.len + 1); + } + + /* VLAN_DROP: for drop action for all vlan packets when filter is on. + * For QinQ, enable vtag action for both outer & inner tags + */ + if (flags & VLAN_DROP) + nix_set_rx_vlan_action(eth_dev, &entry, false, true); + else if (flags & QINQ_F_MATCH) + nix_set_rx_vlan_action(eth_dev, &entry, true, false); + else + nix_set_rx_vlan_action(eth_dev, &entry, false, false); + + if (flags & DEF_F_ENTRY) + dev->vlan_info.def_rx_mcam_ent = entry; + + return nix_vlan_mcam_alloc_and_write(eth_dev, &entry, NIX_INTF_RX, + flags & VLAN_DROP); +} + +/* Installs/Removes/Modifies default rx entry */ +static int +nix_vlan_handle_default_rx_entry(struct rte_eth_dev *eth_dev, bool strip, + bool filter, bool enable) +{ + struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev); + struct otx2_vlan_info *vlan = &dev->vlan_info; + uint16_t flags = 0; + int mcam_idx, rc; + + /* Use default mcam entry to either drop vlan traffic when + * vlan filter is on or strip vtag when strip is enabled. + * Allocate default entry which matches port mac address + * and vtag(ctag/stag) flags with drop action. + */ + if (!vlan->def_rx_mcam_idx) { + if (!eth_dev->data->promiscuous) + flags = MAC_ADDR_MATCH; + + if (filter && enable) + flags |= VTAG_F_MATCH | VLAN_DROP; + else if (strip && enable) + flags |= VTAG_F_MATCH; + else + return 0; + + flags |= DEF_F_ENTRY; + + mcam_idx = nix_vlan_mcam_config(eth_dev, 0, flags); + if (mcam_idx < 0) { + otx2_err("Failed to config vlan mcam"); + return -mcam_idx; + } + + vlan->def_rx_mcam_idx = mcam_idx; + return 0; + } + + /* Filter is already enabled, so packets would be dropped anyways. No + * processing needed for enabling strip wrt mcam entry. + */ + + /* Filter disable request */ + if (vlan->filter_on && filter && !enable) { + vlan->def_rx_mcam_ent.action &= ~((uint64_t)0xF); + + /* Free default rx entry only when + * 1. strip is not on and + * 2. qinq entry is allocated before default entry. + */ + if (vlan->strip_on || + (vlan->qinq_on && !vlan->qinq_before_def)) { + if (eth_dev->data->dev_conf.rxmode.mq_mode == + ETH_MQ_RX_RSS) + vlan->def_rx_mcam_ent.action |= + NIX_RX_ACTIONOP_RSS; + else + vlan->def_rx_mcam_ent.action |= + NIX_RX_ACTIONOP_UCAST; + return nix_vlan_mcam_write(eth_dev, + vlan->def_rx_mcam_idx, + &vlan->def_rx_mcam_ent, + NIX_INTF_RX, 1); + } else { + rc = nix_vlan_mcam_free(dev, vlan->def_rx_mcam_idx); + if (rc) + return rc; + vlan->def_rx_mcam_idx = 0; + } + } + + /* Filter enable request */ + if (!vlan->filter_on && filter && enable) { + vlan->def_rx_mcam_ent.action &= ~((uint64_t)0xF); + vlan->def_rx_mcam_ent.action |= NIX_RX_ACTIONOP_DROP; + return nix_vlan_mcam_write(eth_dev, vlan->def_rx_mcam_idx, + &vlan->def_rx_mcam_ent, NIX_INTF_RX, 1); + } + + /* Strip disable request */ + if (vlan->strip_on && strip && !enable) { + if (!vlan->filter_on && + !(vlan->qinq_on && !vlan->qinq_before_def)) { + rc = nix_vlan_mcam_free(dev, vlan->def_rx_mcam_idx); + if (rc) + return rc; + vlan->def_rx_mcam_idx = 0; + } + } + + return 0; +} + +/* Configure vlan stripping on or off */ +static int +nix_vlan_hw_strip(struct rte_eth_dev *eth_dev, const uint8_t enable) +{ + struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev); + struct otx2_mbox *mbox = dev->mbox; + struct nix_vtag_config *vtag_cfg; + int rc = -EINVAL; + + rc = nix_vlan_handle_default_rx_entry(eth_dev, true, false, enable); + if (rc) { + otx2_err("Failed to config default rx entry"); + return rc; + } + + vtag_cfg = otx2_mbox_alloc_msg_nix_vtag_cfg(mbox); + /* cfg_type = 1 for rx vlan cfg */ + vtag_cfg->cfg_type = VTAG_RX; + + if (enable) + vtag_cfg->rx.strip_vtag = 1; + else + vtag_cfg->rx.strip_vtag = 0; + + /* Always capture */ + vtag_cfg->rx.capture_vtag = 1; + vtag_cfg->vtag_size = NIX_VTAGSIZE_T4; + /* Use rx vtag type index[0] for now */ + vtag_cfg->rx.vtag_type = 0; + + rc = otx2_mbox_process(mbox); + if (rc) + return rc; + + dev->vlan_info.strip_on = enable; + return rc; +} + +/* Configure vlan filtering on or off for all vlans if vlan_id == 0 */ +static int +nix_vlan_hw_filter(struct rte_eth_dev *eth_dev, const uint8_t enable, + uint16_t vlan_id) +{ + struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev); + int rc = -EINVAL; + + if (!vlan_id && enable) { + rc = nix_vlan_handle_default_rx_entry(eth_dev, false, true, + enable); + if (rc) { + otx2_err("Failed to config vlan mcam"); + return rc; + } + dev->vlan_info.filter_on = enable; + return 0; + } + + if (!vlan_id && !enable) { + rc = nix_vlan_handle_default_rx_entry(eth_dev, false, true, + enable); + if (rc) { + otx2_err("Failed to config vlan mcam"); + return rc; + } + dev->vlan_info.filter_on = enable; + return 0; + } + + return 0; +} + +/* Configure double vlan(qinq) on or off */ +static int +otx2_nix_config_double_vlan(struct rte_eth_dev *eth_dev, + const uint8_t enable) +{ + struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev); + struct otx2_vlan_info *vlan_info; + int mcam_idx; + int rc; + + vlan_info = &dev->vlan_info; + + if (!enable) { + if (!vlan_info->qinq_mcam_idx) + return 0; + + rc = nix_vlan_mcam_free(dev, vlan_info->qinq_mcam_idx); + if (rc) + return rc; + + vlan_info->qinq_mcam_idx = 0; + dev->vlan_info.qinq_on = 0; + vlan_info->qinq_before_def = 0; + return 0; + } + + if (eth_dev->data->promiscuous) + mcam_idx = nix_vlan_mcam_config(eth_dev, 0, QINQ_F_MATCH); + else + mcam_idx = nix_vlan_mcam_config(eth_dev, 0, + QINQ_F_MATCH | MAC_ADDR_MATCH); + if (mcam_idx < 0) + return mcam_idx; + + if (!vlan_info->def_rx_mcam_idx) + vlan_info->qinq_before_def = 1; + + vlan_info->qinq_mcam_idx = mcam_idx; + dev->vlan_info.qinq_on = 1; + return 0; +} + +int +otx2_nix_vlan_offload_set(struct rte_eth_dev *eth_dev, int mask) +{ + struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev); + uint64_t offloads = dev->rx_offloads; + struct rte_eth_rxmode *rxmode; + int rc; + + rxmode = ð_dev->data->dev_conf.rxmode; + + if (mask & ETH_VLAN_EXTEND_MASK) { + otx2_err("Extend offload not supported"); + return -ENOTSUP; + } + + if (mask & ETH_VLAN_STRIP_MASK) { + if (rxmode->offloads & DEV_RX_OFFLOAD_VLAN_STRIP) { + offloads |= DEV_RX_OFFLOAD_VLAN_STRIP; + rc = nix_vlan_hw_strip(eth_dev, true); + } else { + offloads &= ~DEV_RX_OFFLOAD_VLAN_STRIP; + rc = nix_vlan_hw_strip(eth_dev, false); + } + if (rc) + goto done; + } + + if (mask & ETH_VLAN_FILTER_MASK) { + if (rxmode->offloads & DEV_RX_OFFLOAD_VLAN_FILTER) { + offloads |= DEV_RX_OFFLOAD_VLAN_FILTER; + rc = nix_vlan_hw_filter(eth_dev, true, 0); + } else { + offloads &= ~DEV_RX_OFFLOAD_VLAN_FILTER; + rc = nix_vlan_hw_filter(eth_dev, false, 0); + } + if (rc) + goto done; + } + + if (rxmode->offloads & DEV_RX_OFFLOAD_QINQ_STRIP) { + if (!dev->vlan_info.qinq_on) { + offloads |= DEV_RX_OFFLOAD_QINQ_STRIP; + rc = otx2_nix_config_double_vlan(eth_dev, true); + if (rc) + goto done; + } + } else { + if (dev->vlan_info.qinq_on) { + offloads &= ~DEV_RX_OFFLOAD_QINQ_STRIP; + rc = otx2_nix_config_double_vlan(eth_dev, false); + if (rc) + goto done; + } + } + + if (offloads & (DEV_RX_OFFLOAD_VLAN_STRIP | + DEV_RX_OFFLOAD_QINQ_STRIP)) { + dev->rx_offloads |= offloads; + dev->rx_offload_flags |= NIX_RX_OFFLOAD_VLAN_STRIP_F; + } + +done: + return rc; +} + static int nix_vlan_rx_mkex_offset(uint64_t mask) { @@ -170,7 +650,7 @@ int otx2_nix_vlan_offload_init(struct rte_eth_dev *eth_dev) { struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev); - int rc; + int rc, mask; /* Port initialized for first time or restarted */ if (!dev->configured) { @@ -179,12 +659,37 @@ otx2_nix_vlan_offload_init(struct rte_eth_dev *eth_dev) otx2_err("Failed to get vlan mkex info rc=%d", rc); return rc; } + + TAILQ_INIT(&dev->vlan_info.fltr_tbl); } + + mask = + ETH_VLAN_STRIP_MASK | ETH_VLAN_FILTER_MASK; + rc = otx2_nix_vlan_offload_set(eth_dev, mask); + if (rc) { + otx2_err("Failed to set vlan offload rc=%d", rc); + return rc; + } + return 0; } int -otx2_nix_vlan_fini(__rte_unused struct rte_eth_dev *eth_dev) +otx2_nix_vlan_fini(struct rte_eth_dev *eth_dev) { + struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev); + struct otx2_vlan_info *vlan = &dev->vlan_info; + int rc; + + if (!dev->configured) { + if (vlan->def_rx_mcam_idx) { + rc = nix_vlan_mcam_free(dev, vlan->def_rx_mcam_idx); + if (rc) + return rc; + } + } + + otx2_nix_config_double_vlan(eth_dev, false); + vlan->def_rx_mcam_idx = 0; return 0; } -- 2.20.1