diff options
Diffstat (limited to 'drivers/net/ethernet/marvell/octeontx2/nic/qos.h')
-rw-r--r-- | drivers/net/ethernet/marvell/octeontx2/nic/qos.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/qos.h b/drivers/net/ethernet/marvell/octeontx2/nic/qos.h new file mode 100644 index 000000000000..19773284be27 --- /dev/null +++ b/drivers/net/ethernet/marvell/octeontx2/nic/qos.h @@ -0,0 +1,69 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Marvell RVU Ethernet driver + * + * Copyright (C) 2023 Marvell. + * + */ +#ifndef OTX2_QOS_H +#define OTX2_QOS_H + +#include <linux/types.h> +#include <linux/netdevice.h> +#include <linux/rhashtable.h> + +#define OTX2_QOS_MAX_LVL 4 +#define OTX2_QOS_MAX_PRIO 7 +#define OTX2_QOS_MAX_LEAF_NODES 16 + +enum qos_smq_operations { + QOS_CFG_SQ, + QOS_SMQ_FLUSH, +}; + +u64 otx2_get_txschq_rate_regval(struct otx2_nic *nic, u64 maxrate, u32 burst); + +int otx2_setup_tc_htb(struct net_device *ndev, struct tc_htb_qopt_offload *htb); +int otx2_qos_get_qid(struct otx2_nic *pfvf); +void otx2_qos_free_qid(struct otx2_nic *pfvf, int qidx); +int otx2_qos_enable_sq(struct otx2_nic *pfvf, int qidx); +void otx2_qos_disable_sq(struct otx2_nic *pfvf, int qidx); + +struct otx2_qos_cfg { + u16 schq[NIX_TXSCH_LVL_CNT]; + u16 schq_contig[NIX_TXSCH_LVL_CNT]; + int static_node_pos[NIX_TXSCH_LVL_CNT]; + int dwrr_node_pos[NIX_TXSCH_LVL_CNT]; + u16 schq_contig_list[NIX_TXSCH_LVL_CNT][MAX_TXSCHQ_PER_FUNC]; + u16 schq_list[NIX_TXSCH_LVL_CNT][MAX_TXSCHQ_PER_FUNC]; +}; + +struct otx2_qos { + DECLARE_HASHTABLE(qos_hlist, order_base_2(OTX2_QOS_MAX_LEAF_NODES)); + struct mutex qos_lock; /* child list lock */ + u16 qid_to_sqmap[OTX2_QOS_MAX_LEAF_NODES]; + struct list_head qos_tree; + DECLARE_BITMAP(qos_sq_bmap, OTX2_QOS_MAX_LEAF_NODES); + u16 maj_id; + u16 defcls; + u8 link_cfg_lvl; /* LINKX_CFG CSRs mapped to TL3 or TL2's index ? */ +}; + +struct otx2_qos_node { + struct list_head list; /* list management */ + struct list_head child_list; + struct list_head child_schq_list; + struct hlist_node hlist; + DECLARE_BITMAP(prio_bmap, OTX2_QOS_MAX_PRIO + 1); + struct otx2_qos_node *parent; /* parent qos node */ + u64 rate; /* htb params */ + u64 ceil; + u32 classid; + u32 prio; + u16 schq; /* hw txschq */ + u16 qid; + u16 prio_anchor; + u8 level; +}; + + +#endif |