1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(C) 2021 Marvell.
5 #include <cnxk_ethdev.h>
8 cnxk_nix_info_get(struct rte_eth_dev *eth_dev, struct rte_eth_dev_info *devinfo)
10 struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
11 struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
14 max_rx_pktlen = (roc_nix_max_pkt_len(&dev->nix) + RTE_ETHER_CRC_LEN -
15 CNXK_NIX_MAX_VTAG_ACT_SIZE);
17 devinfo->min_rx_bufsize = NIX_MIN_HW_FRS + RTE_ETHER_CRC_LEN;
18 devinfo->max_rx_pktlen = max_rx_pktlen;
19 devinfo->max_rx_queues = RTE_MAX_QUEUES_PER_PORT;
20 devinfo->max_tx_queues = RTE_MAX_QUEUES_PER_PORT;
21 devinfo->max_mac_addrs = dev->max_mac_entries;
22 devinfo->max_vfs = pci_dev->max_vfs;
23 devinfo->max_mtu = devinfo->max_rx_pktlen -
24 (RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN);
25 devinfo->min_mtu = devinfo->min_rx_bufsize - CNXK_NIX_L2_OVERHEAD;
27 devinfo->rx_offload_capa = dev->rx_offload_capa;
28 devinfo->tx_offload_capa = dev->tx_offload_capa;
29 devinfo->rx_queue_offload_capa = 0;
30 devinfo->tx_queue_offload_capa = 0;
32 devinfo->reta_size = dev->nix.reta_sz;
33 devinfo->hash_key_size = ROC_NIX_RSS_KEY_LEN;
34 devinfo->flow_type_rss_offloads = CNXK_NIX_RSS_OFFLOAD;
36 devinfo->default_rxconf = (struct rte_eth_rxconf){
41 devinfo->default_txconf = (struct rte_eth_txconf){
45 devinfo->default_rxportconf = (struct rte_eth_dev_portconf){
46 .ring_size = CNXK_NIX_RX_DEFAULT_RING_SZ,
49 devinfo->rx_desc_lim = (struct rte_eth_desc_lim){
51 .nb_min = CNXK_NIX_RX_MIN_DESC,
52 .nb_align = CNXK_NIX_RX_MIN_DESC_ALIGN,
53 .nb_seg_max = CNXK_NIX_RX_NB_SEG_MAX,
54 .nb_mtu_seg_max = CNXK_NIX_RX_NB_SEG_MAX,
56 devinfo->rx_desc_lim.nb_max =
57 RTE_ALIGN_MUL_FLOOR(devinfo->rx_desc_lim.nb_max,
58 CNXK_NIX_RX_MIN_DESC_ALIGN);
60 devinfo->tx_desc_lim = (struct rte_eth_desc_lim){
64 .nb_seg_max = CNXK_NIX_TX_NB_SEG_MAX,
65 .nb_mtu_seg_max = CNXK_NIX_TX_NB_SEG_MAX,
68 devinfo->speed_capa = dev->speed_capa;
69 devinfo->dev_capa = RTE_ETH_DEV_CAPA_RUNTIME_RX_QUEUE_SETUP |
70 RTE_ETH_DEV_CAPA_RUNTIME_TX_QUEUE_SETUP;
75 cnxk_nix_mac_addr_set(struct rte_eth_dev *eth_dev, struct rte_ether_addr *addr)
77 struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
78 struct roc_nix *nix = &dev->nix;
81 /* Update mac address at NPC */
82 rc = roc_nix_npc_mac_addr_set(nix, addr->addr_bytes);
86 /* Update mac address at CGX for PFs only */
87 if (!roc_nix_is_vf_or_sdp(nix)) {
88 rc = roc_nix_mac_addr_set(nix, addr->addr_bytes);
90 /* Rollback to previous mac address */
91 roc_nix_npc_mac_addr_set(nix, dev->mac_addr);
96 /* Update mac address to cnxk ethernet device */
97 rte_memcpy(dev->mac_addr, addr->addr_bytes, RTE_ETHER_ADDR_LEN);
104 cnxk_nix_mac_addr_add(struct rte_eth_dev *eth_dev, struct rte_ether_addr *addr,
105 uint32_t index, uint32_t pool)
107 struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
108 struct roc_nix *nix = &dev->nix;
114 rc = roc_nix_mac_addr_add(nix, addr->addr_bytes);
116 plt_err("Failed to add mac address, rc=%d", rc);
120 /* Enable promiscuous mode at NIX level */
121 roc_nix_npc_promisc_ena_dis(nix, true);
122 dev->dmac_filter_enable = true;
123 eth_dev->data->promiscuous = false;
129 cnxk_nix_mac_addr_del(struct rte_eth_dev *eth_dev, uint32_t index)
131 struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
132 struct roc_nix *nix = &dev->nix;
135 rc = roc_nix_mac_addr_del(nix, index);
137 plt_err("Failed to delete mac address, rc=%d", rc);
141 cnxk_nix_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu)
143 uint32_t old_frame_size, frame_size = mtu + CNXK_NIX_L2_OVERHEAD;
144 struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
145 struct rte_eth_dev_data *data = eth_dev->data;
146 struct roc_nix *nix = &dev->nix;
150 /* Check if MTU is within the allowed range */
151 if ((frame_size - RTE_ETHER_CRC_LEN) < NIX_MIN_HW_FRS) {
152 plt_err("MTU is lesser than minimum");
156 if ((frame_size - RTE_ETHER_CRC_LEN) >
157 ((uint32_t)roc_nix_max_pkt_len(nix))) {
158 plt_err("MTU is greater than maximum");
162 buffsz = data->min_rx_buf_size - RTE_PKTMBUF_HEADROOM;
163 old_frame_size = data->mtu + CNXK_NIX_L2_OVERHEAD;
165 /* Refuse MTU that requires the support of scattered packets
166 * when this feature has not been enabled before.
168 if (data->dev_started && frame_size > buffsz &&
169 !(dev->rx_offloads & DEV_RX_OFFLOAD_SCATTER)) {
170 plt_err("Scatter offload is not enabled for mtu");
174 /* Check <seg size> * <max_seg> >= max_frame */
175 if ((dev->rx_offloads & DEV_RX_OFFLOAD_SCATTER) &&
176 frame_size > (buffsz * CNXK_NIX_RX_NB_SEG_MAX)) {
177 plt_err("Greater than maximum supported packet length");
181 frame_size -= RTE_ETHER_CRC_LEN;
183 /* Update mtu on Tx */
184 rc = roc_nix_mac_mtu_set(nix, frame_size);
186 plt_err("Failed to set MTU, rc=%d", rc);
190 /* Sync same frame size on Rx */
191 rc = roc_nix_mac_max_rx_len_set(nix, frame_size);
193 /* Rollback to older mtu */
194 roc_nix_mac_mtu_set(nix,
195 old_frame_size - RTE_ETHER_CRC_LEN);
196 plt_err("Failed to max Rx frame length, rc=%d", rc);
200 frame_size += RTE_ETHER_CRC_LEN;
202 if (frame_size > RTE_ETHER_MAX_LEN)
203 dev->rx_offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
205 dev->rx_offloads &= ~DEV_RX_OFFLOAD_JUMBO_FRAME;
207 /* Update max_rx_pkt_len */
208 data->dev_conf.rxmode.max_rx_pkt_len = frame_size;
215 cnxk_nix_promisc_enable(struct rte_eth_dev *eth_dev)
217 struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
218 struct roc_nix *nix = &dev->nix;
221 if (roc_nix_is_vf_or_sdp(nix))
224 rc = roc_nix_npc_promisc_ena_dis(nix, true);
226 plt_err("Failed to setup promisc mode in npc, rc=%d(%s)", rc,
227 roc_error_msg_get(rc));
231 rc = roc_nix_mac_promisc_mode_enable(nix, true);
233 plt_err("Failed to setup promisc mode in mac, rc=%d(%s)", rc,
234 roc_error_msg_get(rc));
235 roc_nix_npc_promisc_ena_dis(nix, false);
243 cnxk_nix_promisc_disable(struct rte_eth_dev *eth_dev)
245 struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
246 struct roc_nix *nix = &dev->nix;
249 if (roc_nix_is_vf_or_sdp(nix))
252 rc = roc_nix_npc_promisc_ena_dis(nix, dev->dmac_filter_enable);
254 plt_err("Failed to setup promisc mode in npc, rc=%d(%s)", rc,
255 roc_error_msg_get(rc));
259 rc = roc_nix_mac_promisc_mode_enable(nix, false);
261 plt_err("Failed to setup promisc mode in mac, rc=%d(%s)", rc,
262 roc_error_msg_get(rc));
263 roc_nix_npc_promisc_ena_dis(nix, !dev->dmac_filter_enable);
267 dev->dmac_filter_enable = false;