bool has_cntr;
u8 default_rule;
bool enable;
+ bool vfvlan_cfg;
};
#endif /* NPC_H */
u16 maxlen;
u16 minlen;
+ u8 pf_set_vf_cfg;
u8 mac_addr[ETH_ALEN]; /* MAC address of this PF/VF */
/* Broadcast pkt replication info */
void npc_mcam_disable_flows(struct rvu *rvu, u16 target);
void npc_enable_mcam_entry(struct rvu *rvu, struct npc_mcam *mcam,
int blkaddr, int index, bool enable);
+void npc_read_mcam_entry(struct rvu *rvu, struct npc_mcam *mcam,
+ int blkaddr, u16 src, struct mcam_entry *entry,
+ u8 *intf, u8 *ena);
#ifdef CONFIG_DEBUG_FS
void rvu_dbg_init(struct rvu *rvu);
/* Disable NPC entries as NIXLF's contexts are not initialized yet */
rvu_npc_disable_default_entries(rvu, pcifunc, nixlf);
+ /* Configure RX VTAG Type 7 (strip) for vf vlan */
+ rvu_write64(rvu, blkaddr,
+ NIX_AF_LFX_RX_VTAG_TYPEX(nixlf, NIX_AF_LFX_RX_VTAG_TYPE7),
+ VTAGSIZE_T4 | VTAG_STRIP);
+
goto exit;
free_mem:
req->vtag_size > VTAGSIZE_T8)
return -EINVAL;
+ /* RX VTAG Type 7 reserved for vf vlan */
+ if (req->rx.vtag_type == NIX_AF_LFX_RX_VTAG_TYPE7)
+ return NIX_AF_ERR_RX_VTAG_INUSE;
+
if (req->rx.capture_vtag)
regval |= BIT_ULL(5);
if (req->rx.strip_vtag)
struct nix_set_mac_addr *req,
struct msg_rsp *rsp)
{
+ bool from_vf = req->hdr.pcifunc & RVU_PFVF_FUNC_MASK;
u16 pcifunc = req->hdr.pcifunc;
int blkaddr, nixlf, err;
struct rvu_pfvf *pfvf;
pfvf = rvu_get_pfvf(rvu, pcifunc);
+ /* VF can't overwrite admin(PF) changes */
+ if (from_vf && pfvf->pf_set_vf_cfg)
+ return -EPERM;
+
ether_addr_copy(pfvf->mac_addr, req->mac_addr);
rvu_npc_install_ucast_entry(rvu, pcifunc, nixlf,
*cam0 = ~*cam1 & kw_mask;
}
+static void npc_fill_entryword(struct mcam_entry *entry, int idx,
+ u64 cam0, u64 cam1)
+{
+ /* Similar to npc_get_keyword, but fills mcam_entry structure from
+ * CAM registers.
+ */
+ switch (idx) {
+ case 0:
+ entry->kw[0] = cam1;
+ entry->kw_mask[0] = cam1 ^ cam0;
+ break;
+ case 1:
+ entry->kw[1] = cam1;
+ entry->kw_mask[1] = cam1 ^ cam0;
+ break;
+ case 2:
+ entry->kw[1] |= (cam1 & CAM_MASK(16)) << 48;
+ entry->kw[2] = (cam1 >> 16) & CAM_MASK(48);
+ entry->kw_mask[1] |= ((cam1 ^ cam0) & CAM_MASK(16)) << 48;
+ entry->kw_mask[2] = ((cam1 ^ cam0) >> 16) & CAM_MASK(48);
+ break;
+ case 3:
+ entry->kw[2] |= (cam1 & CAM_MASK(16)) << 48;
+ entry->kw[3] = (cam1 >> 16) & CAM_MASK(32);
+ entry->kw_mask[2] |= ((cam1 ^ cam0) & CAM_MASK(16)) << 48;
+ entry->kw_mask[3] = ((cam1 ^ cam0) >> 16) & CAM_MASK(32);
+ break;
+ case 4:
+ entry->kw[3] |= (cam1 & CAM_MASK(32)) << 32;
+ entry->kw[4] = (cam1 >> 32) & CAM_MASK(32);
+ entry->kw_mask[3] |= ((cam1 ^ cam0) & CAM_MASK(32)) << 32;
+ entry->kw_mask[4] = ((cam1 ^ cam0) >> 32) & CAM_MASK(32);
+ break;
+ case 5:
+ entry->kw[4] |= (cam1 & CAM_MASK(32)) << 32;
+ entry->kw[5] = (cam1 >> 32) & CAM_MASK(16);
+ entry->kw_mask[4] |= ((cam1 ^ cam0) & CAM_MASK(32)) << 32;
+ entry->kw_mask[5] = ((cam1 ^ cam0) >> 32) & CAM_MASK(16);
+ break;
+ case 6:
+ entry->kw[5] |= (cam1 & CAM_MASK(48)) << 16;
+ entry->kw[6] = (cam1 >> 48) & CAM_MASK(16);
+ entry->kw_mask[5] |= ((cam1 ^ cam0) & CAM_MASK(48)) << 16;
+ entry->kw_mask[6] = ((cam1 ^ cam0) >> 48) & CAM_MASK(16);
+ break;
+ case 7:
+ entry->kw[6] |= (cam1 & CAM_MASK(48)) << 16;
+ entry->kw_mask[6] |= ((cam1 ^ cam0) & CAM_MASK(48)) << 16;
+ break;
+ }
+}
+
static void npc_get_default_entry_action(struct rvu *rvu, struct npc_mcam *mcam,
int blkaddr, int index,
struct mcam_entry *entry)
npc_enable_mcam_entry(rvu, mcam, blkaddr, actindex, true);
}
+void npc_read_mcam_entry(struct rvu *rvu, struct npc_mcam *mcam,
+ int blkaddr, u16 src,
+ struct mcam_entry *entry, u8 *intf, u8 *ena)
+{
+ int sbank = npc_get_bank(mcam, src);
+ int bank, kw = 0;
+ u64 cam0, cam1;
+
+ src &= (mcam->banksize - 1);
+ bank = sbank;
+
+ for (; bank < (sbank + mcam->banks_per_entry); bank++, kw = kw + 2) {
+ cam1 = rvu_read64(rvu, blkaddr,
+ NPC_AF_MCAMEX_BANKX_CAMX_W0(src, bank, 1));
+ cam0 = rvu_read64(rvu, blkaddr,
+ NPC_AF_MCAMEX_BANKX_CAMX_W0(src, bank, 0));
+ npc_fill_entryword(entry, kw, cam0, cam1);
+
+ cam1 = rvu_read64(rvu, blkaddr,
+ NPC_AF_MCAMEX_BANKX_CAMX_W1(src, bank, 1));
+ cam0 = rvu_read64(rvu, blkaddr,
+ NPC_AF_MCAMEX_BANKX_CAMX_W1(src, bank, 0));
+ npc_fill_entryword(entry, kw + 1, cam0, cam1);
+ }
+
+ entry->action = rvu_read64(rvu, blkaddr,
+ NPC_AF_MCAMEX_BANKX_ACTION(src, sbank));
+ entry->vtag_action =
+ rvu_read64(rvu, blkaddr,
+ NPC_AF_MCAMEX_BANKX_TAG_ACT(src, sbank));
+ *intf = rvu_read64(rvu, blkaddr,
+ NPC_AF_MCAMEX_BANKX_CAMX_INTF(src, sbank, 1)) & 3;
+ *ena = rvu_read64(rvu, blkaddr,
+ NPC_AF_MCAMEX_BANKX_CFG(src, sbank)) & 1;
+}
+
static void npc_copy_mcam_entry(struct rvu *rvu, struct npc_mcam *mcam,
int blkaddr, u16 src, u16 dest)
{
if (req->default_rule)
pfvf->def_ucast_rule = rule;
+ if (pfvf->pf_set_vf_cfg && req->vtag0_type == NIX_AF_LFX_RX_VTAG_TYPE7)
+ rule->vfvlan_cfg = true;
+
return 0;
}
pfvf = rvu_get_pfvf(rvu, target);
+ /* PF installing for its VF */
+ if (req->hdr.pcifunc && !from_vf && req->vf)
+ pfvf->pf_set_vf_cfg = 1;
+
/* update req destination mac addr */
if ((req->features & BIT_ULL(NPC_DMAC)) && is_npc_intf_rx(req->intf) &&
is_zero_ether_addr(req->packet.dmac)) {
return 0;
}
+static int npc_update_dmac_value(struct rvu *rvu, int npcblkaddr,
+ struct rvu_npc_mcam_rule *rule,
+ struct rvu_pfvf *pfvf)
+{
+ struct npc_mcam_write_entry_req write_req = { 0 };
+ struct mcam_entry *entry = &write_req.entry_data;
+ struct npc_mcam *mcam = &rvu->hw->mcam;
+ struct msg_rsp rsp;
+ u8 intf, enable;
+ int err;
+
+ ether_addr_copy(rule->packet.dmac, pfvf->mac_addr);
+
+ npc_read_mcam_entry(rvu, mcam, npcblkaddr, rule->entry,
+ entry, &intf, &enable);
+
+ npc_update_entry(rvu, NPC_DMAC, entry,
+ ether_addr_to_u64(pfvf->mac_addr), 0,
+ 0xffffffffffffull, 0, intf);
+
+ write_req.hdr.pcifunc = rule->owner;
+ write_req.entry = rule->entry;
+
+ mutex_unlock(&mcam->lock);
+ err = rvu_mbox_handler_npc_mcam_write_entry(rvu, &write_req, &rsp);
+ mutex_lock(&mcam->lock);
+
+ return err;
+}
+
void npc_mcam_enable_flows(struct rvu *rvu, u16 target)
{
struct rvu_pfvf *pfvf = rvu_get_pfvf(rvu, target);
continue;
}
+ if (rule->vfvlan_cfg)
+ npc_update_dmac_value(rvu, blkaddr, rule, pfvf);
+
if (rule->rx_action.op == NIX_RX_ACTION_DEFAULT) {
if (!def_ucast_rule)
continue;
VTAGSIZE_T4 = 0x0,
VTAGSIZE_T8 = 0x1,
};
+
+enum nix_tx_vtag_op {
+ NOP = 0x0,
+ VTAG_INSERT = 0x1,
+ VTAG_REPLACE = 0x2,
+};
+
+/* NIX RX VTAG actions */
+#define VTAG_STRIP BIT_ULL(4)
+#define VTAG_CAPTURE BIT_ULL(5)
+
#endif /* RVU_STRUCT_H */
struct otx2_nic *pf;
struct delayed_work link_event_work;
bool intf_down; /* interface was either configured or not */
+ u8 mac[ETH_ALEN];
+ u16 vlan;
+ int tx_vtag_idx;
};
struct flr_work {
u32 ntuple_offset;
u32 unicast_offset;
u32 rx_vlan_offset;
+ u32 vf_vlan_offset;
+#define OTX2_PER_VF_VLAN_FLOWS 2 /* rx+tx per VF */
+#define OTX2_VF_VLAN_RX_INDEX 0
+#define OTX2_VF_VLAN_TX_INDEX 1
u32 ntuple_max_flows;
struct list_head flow_list;
};
#define OTX2_FLAG_NTUPLE_SUPPORT BIT_ULL(4)
#define OTX2_FLAG_UCAST_FLTR_SUPPORT BIT_ULL(5)
#define OTX2_FLAG_RX_VLAN_SUPPORT BIT_ULL(6)
+#define OTX2_FLAG_VF_VLAN_SUPPORT BIT_ULL(7)
+#define OTX2_FLAG_PF_SHUTDOWN BIT_ULL(8)
#define OTX2_FLAG_RX_PAUSE_ENABLED BIT_ULL(9)
#define OTX2_FLAG_TX_PAUSE_ENABLED BIT_ULL(10)
u64 flags;
struct otx2_flow_config *flow_cfg = pfvf->flow_cfg;
struct npc_mcam_alloc_entry_req *req;
struct npc_mcam_alloc_entry_rsp *rsp;
+ int vf_vlan_max_flows;
int i;
mutex_lock(&pfvf->mbox.lock);
return -ENOMEM;
}
+ vf_vlan_max_flows = pfvf->total_vfs * OTX2_PER_VF_VLAN_FLOWS;
req->contig = false;
- req->count = OTX2_MCAM_COUNT;
+ req->count = OTX2_MCAM_COUNT + vf_vlan_max_flows;
/* Send message to AF */
if (otx2_sync_mbox_msg(&pfvf->mbox)) {
flow_cfg->ntuple_offset = 0;
pfvf->flags |= OTX2_FLAG_NTUPLE_SUPPORT;
} else {
- flow_cfg->ntuple_offset = 0;
+ flow_cfg->vf_vlan_offset = 0;
+ flow_cfg->ntuple_offset = flow_cfg->vf_vlan_offset +
+ vf_vlan_max_flows;
flow_cfg->unicast_offset = flow_cfg->ntuple_offset +
OTX2_MAX_NTUPLE_FLOWS;
flow_cfg->rx_vlan_offset = flow_cfg->unicast_offset +
pfvf->flags |= OTX2_FLAG_NTUPLE_SUPPORT;
pfvf->flags |= OTX2_FLAG_UCAST_FLTR_SUPPORT;
pfvf->flags |= OTX2_FLAG_RX_VLAN_SUPPORT;
+ pfvf->flags |= OTX2_FLAG_VF_VLAN_SUPPORT;
}
for (i = 0; i < rsp->count; i++)
free_req = otx2_mbox_alloc_msg_nix_lf_free(mbox);
if (free_req) {
free_req->flags = NIX_LF_DISABLE_FLOWS;
+ if (!(pf->flags & OTX2_FLAG_PF_SHUTDOWN))
+ free_req->flags |= NIX_LF_DONT_FREE_TX_VTAG;
if (otx2_sync_mbox_msg(mbox))
dev_err(pf->dev, "%s failed to free nixlf\n", __func__);
}
}
}
+static int otx2_do_set_vf_mac(struct otx2_nic *pf, int vf, const u8 *mac)
+{
+ struct npc_install_flow_req *req;
+ int err;
+
+ mutex_lock(&pf->mbox.lock);
+ req = otx2_mbox_alloc_msg_npc_install_flow(&pf->mbox);
+ if (!req) {
+ err = -ENOMEM;
+ goto out;
+ }
+
+ ether_addr_copy(req->packet.dmac, mac);
+ eth_broadcast_addr((u8 *)&req->mask.dmac);
+ req->features = BIT_ULL(NPC_DMAC);
+ req->channel = pf->hw.rx_chan_base;
+ req->intf = NIX_INTF_RX;
+ req->default_rule = 1;
+ req->append = 1;
+ req->vf = vf + 1;
+ req->op = NIX_RX_ACTION_DEFAULT;
+
+ err = otx2_sync_mbox_msg(&pf->mbox);
+out:
+ mutex_unlock(&pf->mbox.lock);
+ return err;
+}
+
+static int otx2_set_vf_mac(struct net_device *netdev, int vf, u8 *mac)
+{
+ struct otx2_nic *pf = netdev_priv(netdev);
+ struct pci_dev *pdev = pf->pdev;
+ struct otx2_vf_config *config;
+ int ret;
+
+ if (!netif_running(netdev))
+ return -EAGAIN;
+
+ if (vf >= pci_num_vf(pdev))
+ return -EINVAL;
+
+ if (!is_valid_ether_addr(mac))
+ return -EINVAL;
+
+ config = &pf->vf_configs[vf];
+ ether_addr_copy(config->mac, mac);
+
+ ret = otx2_do_set_vf_mac(pf, vf, mac);
+ if (ret == 0)
+ dev_info(&pdev->dev, "Reload VF driver to apply the changes\n");
+
+ return ret;
+}
+
+static int otx2_do_set_vf_vlan(struct otx2_nic *pf, int vf, u16 vlan, u8 qos,
+ __be16 proto)
+{
+ struct otx2_flow_config *flow_cfg = pf->flow_cfg;
+ struct nix_vtag_config_rsp *vtag_rsp;
+ struct npc_delete_flow_req *del_req;
+ struct nix_vtag_config *vtag_req;
+ struct npc_install_flow_req *req;
+ struct otx2_vf_config *config;
+ int err = 0;
+ u32 idx;
+
+ config = &pf->vf_configs[vf];
+
+ if (!vlan && !config->vlan)
+ goto out;
+
+ mutex_lock(&pf->mbox.lock);
+
+ /* free old tx vtag entry */
+ if (config->vlan) {
+ vtag_req = otx2_mbox_alloc_msg_nix_vtag_cfg(&pf->mbox);
+ if (!vtag_req) {
+ err = -ENOMEM;
+ goto out;
+ }
+ vtag_req->cfg_type = 0;
+ vtag_req->tx.free_vtag0 = 1;
+ vtag_req->tx.vtag0_idx = config->tx_vtag_idx;
+
+ err = otx2_sync_mbox_msg(&pf->mbox);
+ if (err)
+ goto out;
+ }
+
+ if (!vlan && config->vlan) {
+ /* rx */
+ del_req = otx2_mbox_alloc_msg_npc_delete_flow(&pf->mbox);
+ if (!del_req) {
+ err = -ENOMEM;
+ goto out;
+ }
+ idx = ((vf * OTX2_PER_VF_VLAN_FLOWS) + OTX2_VF_VLAN_RX_INDEX);
+ del_req->entry =
+ flow_cfg->entry[flow_cfg->vf_vlan_offset + idx];
+ err = otx2_sync_mbox_msg(&pf->mbox);
+ if (err)
+ goto out;
+
+ /* tx */
+ del_req = otx2_mbox_alloc_msg_npc_delete_flow(&pf->mbox);
+ if (!del_req) {
+ err = -ENOMEM;
+ goto out;
+ }
+ idx = ((vf * OTX2_PER_VF_VLAN_FLOWS) + OTX2_VF_VLAN_TX_INDEX);
+ del_req->entry =
+ flow_cfg->entry[flow_cfg->vf_vlan_offset + idx];
+ err = otx2_sync_mbox_msg(&pf->mbox);
+
+ goto out;
+ }
+
+ /* rx */
+ req = otx2_mbox_alloc_msg_npc_install_flow(&pf->mbox);
+ if (!req) {
+ err = -ENOMEM;
+ goto out;
+ }
+
+ idx = ((vf * OTX2_PER_VF_VLAN_FLOWS) + OTX2_VF_VLAN_RX_INDEX);
+ req->entry = flow_cfg->entry[flow_cfg->vf_vlan_offset + idx];
+ req->packet.vlan_tci = htons(vlan);
+ req->mask.vlan_tci = htons(VLAN_VID_MASK);
+ /* af fills the destination mac addr */
+ eth_broadcast_addr((u8 *)&req->mask.dmac);
+ req->features = BIT_ULL(NPC_OUTER_VID) | BIT_ULL(NPC_DMAC);
+ req->channel = pf->hw.rx_chan_base;
+ req->intf = NIX_INTF_RX;
+ req->vf = vf + 1;
+ req->op = NIX_RX_ACTION_DEFAULT;
+ req->vtag0_valid = true;
+ req->vtag0_type = NIX_AF_LFX_RX_VTAG_TYPE7;
+ req->set_cntr = 1;
+
+ err = otx2_sync_mbox_msg(&pf->mbox);
+ if (err)
+ goto out;
+
+ /* tx */
+ vtag_req = otx2_mbox_alloc_msg_nix_vtag_cfg(&pf->mbox);
+ if (!vtag_req) {
+ err = -ENOMEM;
+ goto out;
+ }
+
+ /* configure tx vtag params */
+ vtag_req->vtag_size = VTAGSIZE_T4;
+ vtag_req->cfg_type = 0; /* tx vlan cfg */
+ vtag_req->tx.cfg_vtag0 = 1;
+ vtag_req->tx.vtag0 = (ntohs(proto) << 16) | vlan;
+
+ err = otx2_sync_mbox_msg(&pf->mbox);
+ if (err)
+ goto out;
+
+ vtag_rsp = (struct nix_vtag_config_rsp *)otx2_mbox_get_rsp
+ (&pf->mbox.mbox, 0, &vtag_req->hdr);
+ if (IS_ERR(vtag_rsp)) {
+ err = PTR_ERR(vtag_rsp);
+ goto out;
+ }
+ config->tx_vtag_idx = vtag_rsp->vtag0_idx;
+
+ req = otx2_mbox_alloc_msg_npc_install_flow(&pf->mbox);
+ if (!req) {
+ err = -ENOMEM;
+ goto out;
+ }
+
+ eth_zero_addr((u8 *)&req->mask.dmac);
+ idx = ((vf * OTX2_PER_VF_VLAN_FLOWS) + OTX2_VF_VLAN_TX_INDEX);
+ req->entry = flow_cfg->entry[flow_cfg->vf_vlan_offset + idx];
+ req->features = BIT_ULL(NPC_DMAC);
+ req->channel = pf->hw.tx_chan_base;
+ req->intf = NIX_INTF_TX;
+ req->vf = vf + 1;
+ req->op = NIX_TX_ACTIONOP_UCAST_DEFAULT;
+ req->vtag0_def = vtag_rsp->vtag0_idx;
+ req->vtag0_op = VTAG_INSERT;
+ req->set_cntr = 1;
+
+ err = otx2_sync_mbox_msg(&pf->mbox);
+out:
+ config->vlan = vlan;
+ mutex_unlock(&pf->mbox.lock);
+ return err;
+}
+
+static int otx2_set_vf_vlan(struct net_device *netdev, int vf, u16 vlan, u8 qos,
+ __be16 proto)
+{
+ struct otx2_nic *pf = netdev_priv(netdev);
+ struct pci_dev *pdev = pf->pdev;
+
+ if (!netif_running(netdev))
+ return -EAGAIN;
+
+ if (vf >= pci_num_vf(pdev))
+ return -EINVAL;
+
+ /* qos is currently unsupported */
+ if (vlan >= VLAN_N_VID || qos)
+ return -EINVAL;
+
+ if (proto != htons(ETH_P_8021Q))
+ return -EPROTONOSUPPORT;
+
+ if (!(pf->flags & OTX2_FLAG_VF_VLAN_SUPPORT))
+ return -EOPNOTSUPP;
+
+ return otx2_do_set_vf_vlan(pf, vf, vlan, qos, proto);
+}
+
+static int otx2_get_vf_config(struct net_device *netdev, int vf,
+ struct ifla_vf_info *ivi)
+{
+ struct otx2_nic *pf = netdev_priv(netdev);
+ struct pci_dev *pdev = pf->pdev;
+ struct otx2_vf_config *config;
+
+ if (!netif_running(netdev))
+ return -EAGAIN;
+
+ if (vf >= pci_num_vf(pdev))
+ return -EINVAL;
+
+ config = &pf->vf_configs[vf];
+ ivi->vf = vf;
+ ether_addr_copy(ivi->mac, config->mac);
+ ivi->vlan = config->vlan;
+
+ return 0;
+}
+
static const struct net_device_ops otx2_netdev_ops = {
.ndo_open = otx2_open,
.ndo_stop = otx2_stop,
.ndo_tx_timeout = otx2_tx_timeout,
.ndo_get_stats64 = otx2_get_stats64,
.ndo_do_ioctl = otx2_ioctl,
+ .ndo_set_vf_mac = otx2_set_vf_mac,
+ .ndo_set_vf_vlan = otx2_set_vf_vlan,
+ .ndo_get_vf_config = otx2_get_vf_config,
};
static int otx2_wq_init(struct otx2_nic *pf)
pf = netdev_priv(netdev);
+ pf->flags |= OTX2_FLAG_PF_SHUTDOWN;
+
if (pf->flags & OTX2_FLAG_TX_TSTAMP_ENABLED)
otx2_config_hw_tx_tstamp(pf, false);
if (pf->flags & OTX2_FLAG_RX_TSTAMP_ENABLED)
projects / linux.git / commitdiff