Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Maxime Chevallier | 3237 | 98.84% | 10 | 71.43% |
Russell King | 18 | 0.55% | 1 | 7.14% |
Nathan Huckleberry | 14 | 0.43% | 1 | 7.14% |
Greg Kroah-Hartman | 5 | 0.15% | 1 | 7.14% |
Gustavo A. R. Silva | 1 | 0.03% | 1 | 7.14% |
Total | 3275 | 14 |
// SPDX-License-Identifier: GPL-2.0 /* * Driver for Marvell PPv2 network controller for Armada 375 SoC. * * Copyright (C) 2018 Marvell */ #include <linux/kernel.h> #include <linux/slab.h> #include <linux/debugfs.h> #include "mvpp2.h" #include "mvpp2_prs.h" #include "mvpp2_cls.h" struct mvpp2_dbgfs_prs_entry { int tid; struct mvpp2 *priv; }; struct mvpp2_dbgfs_c2_entry { int id; struct mvpp2 *priv; }; struct mvpp2_dbgfs_flow_entry { int flow; struct mvpp2 *priv; }; struct mvpp2_dbgfs_flow_tbl_entry { int id; struct mvpp2 *priv; }; struct mvpp2_dbgfs_port_flow_entry { struct mvpp2_port *port; struct mvpp2_dbgfs_flow_entry *dbg_fe; }; struct mvpp2_dbgfs_entries { /* Entries for Header Parser debug info */ struct mvpp2_dbgfs_prs_entry prs_entries[MVPP2_PRS_TCAM_SRAM_SIZE]; /* Entries for Classifier C2 engine debug info */ struct mvpp2_dbgfs_c2_entry c2_entries[MVPP22_CLS_C2_N_ENTRIES]; /* Entries for Classifier Flow Table debug info */ struct mvpp2_dbgfs_flow_tbl_entry flt_entries[MVPP2_CLS_FLOWS_TBL_SIZE]; /* Entries for Classifier flows debug info */ struct mvpp2_dbgfs_flow_entry flow_entries[MVPP2_N_PRS_FLOWS]; /* Entries for per-port flows debug info */ struct mvpp2_dbgfs_port_flow_entry port_flow_entries[MVPP2_MAX_PORTS]; }; static int mvpp2_dbgfs_flow_flt_hits_show(struct seq_file *s, void *unused) { struct mvpp2_dbgfs_flow_tbl_entry *entry = s->private; u32 hits = mvpp2_cls_flow_hits(entry->priv, entry->id); seq_printf(s, "%u\n", hits); return 0; } DEFINE_SHOW_ATTRIBUTE(mvpp2_dbgfs_flow_flt_hits); static int mvpp2_dbgfs_flow_dec_hits_show(struct seq_file *s, void *unused) { struct mvpp2_dbgfs_flow_entry *entry = s->private; u32 hits = mvpp2_cls_lookup_hits(entry->priv, entry->flow); seq_printf(s, "%u\n", hits); return 0; } DEFINE_SHOW_ATTRIBUTE(mvpp2_dbgfs_flow_dec_hits); static int mvpp2_dbgfs_flow_type_show(struct seq_file *s, void *unused) { struct mvpp2_dbgfs_flow_entry *entry = s->private; const struct mvpp2_cls_flow *f; const char *flow_name; f = mvpp2_cls_flow_get(entry->flow); if (!f) return -EINVAL; switch (f->flow_type) { case IPV4_FLOW: flow_name = "ipv4"; break; case IPV6_FLOW: flow_name = "ipv6"; break; case TCP_V4_FLOW: flow_name = "tcp4"; break; case TCP_V6_FLOW: flow_name = "tcp6"; break; case UDP_V4_FLOW: flow_name = "udp4"; break; case UDP_V6_FLOW: flow_name = "udp6"; break; default: flow_name = "other"; } seq_printf(s, "%s\n", flow_name); return 0; } DEFINE_SHOW_ATTRIBUTE(mvpp2_dbgfs_flow_type); static int mvpp2_dbgfs_flow_id_show(struct seq_file *s, void *unused) { const struct mvpp2_dbgfs_flow_entry *entry = s->private; const struct mvpp2_cls_flow *f; f = mvpp2_cls_flow_get(entry->flow); if (!f) return -EINVAL; seq_printf(s, "%d\n", f->flow_id); return 0; } DEFINE_SHOW_ATTRIBUTE(mvpp2_dbgfs_flow_id); static int mvpp2_dbgfs_port_flow_hash_opt_show(struct seq_file *s, void *unused) { struct mvpp2_dbgfs_port_flow_entry *entry = s->private; struct mvpp2_port *port = entry->port; struct mvpp2_cls_flow_entry fe; const struct mvpp2_cls_flow *f; int flow_index; u16 hash_opts; f = mvpp2_cls_flow_get(entry->dbg_fe->flow); if (!f) return -EINVAL; flow_index = MVPP2_CLS_FLT_HASH_ENTRY(entry->port->id, f->flow_id); mvpp2_cls_flow_read(port->priv, flow_index, &fe); hash_opts = mvpp2_flow_get_hek_fields(&fe); seq_printf(s, "0x%04x\n", hash_opts); return 0; } DEFINE_SHOW_ATTRIBUTE(mvpp2_dbgfs_port_flow_hash_opt); static int mvpp2_dbgfs_port_flow_engine_show(struct seq_file *s, void *unused) { struct mvpp2_dbgfs_port_flow_entry *entry = s->private; struct mvpp2_port *port = entry->port; struct mvpp2_cls_flow_entry fe; const struct mvpp2_cls_flow *f; int flow_index, engine; f = mvpp2_cls_flow_get(entry->dbg_fe->flow); if (!f) return -EINVAL; flow_index = MVPP2_CLS_FLT_HASH_ENTRY(entry->port->id, f->flow_id); mvpp2_cls_flow_read(port->priv, flow_index, &fe); engine = mvpp2_cls_flow_eng_get(&fe); seq_printf(s, "%d\n", engine); return 0; } DEFINE_SHOW_ATTRIBUTE(mvpp2_dbgfs_port_flow_engine); static int mvpp2_dbgfs_flow_c2_hits_show(struct seq_file *s, void *unused) { struct mvpp2_dbgfs_c2_entry *entry = s->private; u32 hits; hits = mvpp2_cls_c2_hit_count(entry->priv, entry->id); seq_printf(s, "%u\n", hits); return 0; } DEFINE_SHOW_ATTRIBUTE(mvpp2_dbgfs_flow_c2_hits); static int mvpp2_dbgfs_flow_c2_rxq_show(struct seq_file *s, void *unused) { struct mvpp2_dbgfs_c2_entry *entry = s->private; struct mvpp2_cls_c2_entry c2; u8 qh, ql; mvpp2_cls_c2_read(entry->priv, entry->id, &c2); qh = (c2.attr[0] >> MVPP22_CLS_C2_ATTR0_QHIGH_OFFS) & MVPP22_CLS_C2_ATTR0_QHIGH_MASK; ql = (c2.attr[0] >> MVPP22_CLS_C2_ATTR0_QLOW_OFFS) & MVPP22_CLS_C2_ATTR0_QLOW_MASK; seq_printf(s, "%d\n", (qh << 3 | ql)); return 0; } DEFINE_SHOW_ATTRIBUTE(mvpp2_dbgfs_flow_c2_rxq); static int mvpp2_dbgfs_flow_c2_enable_show(struct seq_file *s, void *unused) { struct mvpp2_dbgfs_c2_entry *entry = s->private; struct mvpp2_cls_c2_entry c2; int enabled; mvpp2_cls_c2_read(entry->priv, entry->id, &c2); enabled = !!(c2.attr[2] & MVPP22_CLS_C2_ATTR2_RSS_EN); seq_printf(s, "%d\n", enabled); return 0; } DEFINE_SHOW_ATTRIBUTE(mvpp2_dbgfs_flow_c2_enable); static int mvpp2_dbgfs_port_vid_show(struct seq_file *s, void *unused) { struct mvpp2_port *port = s->private; unsigned char byte[2], enable[2]; struct mvpp2 *priv = port->priv; struct mvpp2_prs_entry pe; unsigned long pmap; u16 rvid; int tid; for (tid = MVPP2_PRS_VID_PORT_FIRST(port->id); tid <= MVPP2_PRS_VID_PORT_LAST(port->id); tid++) { mvpp2_prs_init_from_hw(priv, &pe, tid); pmap = mvpp2_prs_tcam_port_map_get(&pe); if (!priv->prs_shadow[tid].valid) continue; if (!test_bit(port->id, &pmap)) continue; mvpp2_prs_tcam_data_byte_get(&pe, 2, &byte[0], &enable[0]); mvpp2_prs_tcam_data_byte_get(&pe, 3, &byte[1], &enable[1]); rvid = ((byte[0] & 0xf) << 8) + byte[1]; seq_printf(s, "%u\n", rvid); } return 0; } DEFINE_SHOW_ATTRIBUTE(mvpp2_dbgfs_port_vid); static int mvpp2_dbgfs_port_parser_show(struct seq_file *s, void *unused) { struct mvpp2_port *port = s->private; struct mvpp2 *priv = port->priv; struct mvpp2_prs_entry pe; unsigned long pmap; int i; for (i = 0; i < MVPP2_PRS_TCAM_SRAM_SIZE; i++) { mvpp2_prs_init_from_hw(port->priv, &pe, i); pmap = mvpp2_prs_tcam_port_map_get(&pe); if (priv->prs_shadow[i].valid && test_bit(port->id, &pmap)) seq_printf(s, "%03d\n", i); } return 0; } DEFINE_SHOW_ATTRIBUTE(mvpp2_dbgfs_port_parser); static int mvpp2_dbgfs_filter_show(struct seq_file *s, void *unused) { struct mvpp2_port *port = s->private; struct mvpp2 *priv = port->priv; struct mvpp2_prs_entry pe; unsigned long pmap; int index, tid; for (tid = MVPP2_PE_MAC_RANGE_START; tid <= MVPP2_PE_MAC_RANGE_END; tid++) { unsigned char da[ETH_ALEN], da_mask[ETH_ALEN]; if (!priv->prs_shadow[tid].valid || priv->prs_shadow[tid].lu != MVPP2_PRS_LU_MAC || priv->prs_shadow[tid].udf != MVPP2_PRS_UDF_MAC_DEF) continue; mvpp2_prs_init_from_hw(priv, &pe, tid); pmap = mvpp2_prs_tcam_port_map_get(&pe); /* We only want entries active on this port */ if (!test_bit(port->id, &pmap)) continue; /* Read mac addr from entry */ for (index = 0; index < ETH_ALEN; index++) mvpp2_prs_tcam_data_byte_get(&pe, index, &da[index], &da_mask[index]); seq_printf(s, "%pM\n", da); } return 0; } DEFINE_SHOW_ATTRIBUTE(mvpp2_dbgfs_filter); static int mvpp2_dbgfs_prs_lu_show(struct seq_file *s, void *unused) { struct mvpp2_dbgfs_prs_entry *entry = s->private; struct mvpp2 *priv = entry->priv; seq_printf(s, "%x\n", priv->prs_shadow[entry->tid].lu); return 0; } DEFINE_SHOW_ATTRIBUTE(mvpp2_dbgfs_prs_lu); static int mvpp2_dbgfs_prs_pmap_show(struct seq_file *s, void *unused) { struct mvpp2_dbgfs_prs_entry *entry = s->private; struct mvpp2_prs_entry pe; unsigned int pmap; mvpp2_prs_init_from_hw(entry->priv, &pe, entry->tid); pmap = mvpp2_prs_tcam_port_map_get(&pe); pmap &= MVPP2_PRS_PORT_MASK; seq_printf(s, "%02x\n", pmap); return 0; } DEFINE_SHOW_ATTRIBUTE(mvpp2_dbgfs_prs_pmap); static int mvpp2_dbgfs_prs_ai_show(struct seq_file *s, void *unused) { struct mvpp2_dbgfs_prs_entry *entry = s->private; struct mvpp2_prs_entry pe; unsigned char ai, ai_mask; mvpp2_prs_init_from_hw(entry->priv, &pe, entry->tid); ai = pe.tcam[MVPP2_PRS_TCAM_AI_WORD] & MVPP2_PRS_AI_MASK; ai_mask = (pe.tcam[MVPP2_PRS_TCAM_AI_WORD] >> 16) & MVPP2_PRS_AI_MASK; seq_printf(s, "%02x %02x\n", ai, ai_mask); return 0; } DEFINE_SHOW_ATTRIBUTE(mvpp2_dbgfs_prs_ai); static int mvpp2_dbgfs_prs_hdata_show(struct seq_file *s, void *unused) { struct mvpp2_dbgfs_prs_entry *entry = s->private; struct mvpp2_prs_entry pe; unsigned char data[8], mask[8]; int i; mvpp2_prs_init_from_hw(entry->priv, &pe, entry->tid); for (i = 0; i < 8; i++) mvpp2_prs_tcam_data_byte_get(&pe, i, &data[i], &mask[i]); seq_printf(s, "%*phN %*phN\n", 8, data, 8, mask); return 0; } DEFINE_SHOW_ATTRIBUTE(mvpp2_dbgfs_prs_hdata); static int mvpp2_dbgfs_prs_sram_show(struct seq_file *s, void *unused) { struct mvpp2_dbgfs_prs_entry *entry = s->private; struct mvpp2_prs_entry pe; mvpp2_prs_init_from_hw(entry->priv, &pe, entry->tid); seq_printf(s, "%*phN\n", 14, pe.sram); return 0; } DEFINE_SHOW_ATTRIBUTE(mvpp2_dbgfs_prs_sram); static int mvpp2_dbgfs_prs_hits_show(struct seq_file *s, void *unused) { struct mvpp2_dbgfs_prs_entry *entry = s->private; int val; val = mvpp2_prs_hits(entry->priv, entry->tid); if (val < 0) return val; seq_printf(s, "%d\n", val); return 0; } DEFINE_SHOW_ATTRIBUTE(mvpp2_dbgfs_prs_hits); static int mvpp2_dbgfs_prs_valid_show(struct seq_file *s, void *unused) { struct mvpp2_dbgfs_prs_entry *entry = s->private; struct mvpp2 *priv = entry->priv; int tid = entry->tid; seq_printf(s, "%d\n", priv->prs_shadow[tid].valid ? 1 : 0); return 0; } DEFINE_SHOW_ATTRIBUTE(mvpp2_dbgfs_prs_valid); static int mvpp2_dbgfs_flow_port_init(struct dentry *parent, struct mvpp2_port *port, struct mvpp2_dbgfs_flow_entry *entry) { struct mvpp2_dbgfs_port_flow_entry *port_entry; struct dentry *port_dir; port_dir = debugfs_create_dir(port->dev->name, parent); port_entry = &port->priv->dbgfs_entries->port_flow_entries[port->id]; port_entry->port = port; port_entry->dbg_fe = entry; debugfs_create_file("hash_opts", 0444, port_dir, port_entry, &mvpp2_dbgfs_port_flow_hash_opt_fops); debugfs_create_file("engine", 0444, port_dir, port_entry, &mvpp2_dbgfs_port_flow_engine_fops); return 0; } static int mvpp2_dbgfs_flow_entry_init(struct dentry *parent, struct mvpp2 *priv, int flow) { struct mvpp2_dbgfs_flow_entry *entry; struct dentry *flow_entry_dir; char flow_entry_name[10]; int i, ret; sprintf(flow_entry_name, "%02d", flow); flow_entry_dir = debugfs_create_dir(flow_entry_name, parent); entry = &priv->dbgfs_entries->flow_entries[flow]; entry->flow = flow; entry->priv = priv; debugfs_create_file("dec_hits", 0444, flow_entry_dir, entry, &mvpp2_dbgfs_flow_dec_hits_fops); debugfs_create_file("type", 0444, flow_entry_dir, entry, &mvpp2_dbgfs_flow_type_fops); debugfs_create_file("id", 0444, flow_entry_dir, entry, &mvpp2_dbgfs_flow_id_fops); /* Create entry for each port */ for (i = 0; i < priv->port_count; i++) { ret = mvpp2_dbgfs_flow_port_init(flow_entry_dir, priv->port_list[i], entry); if (ret) return ret; } return 0; } static int mvpp2_dbgfs_flow_init(struct dentry *parent, struct mvpp2 *priv) { struct dentry *flow_dir; int i, ret; flow_dir = debugfs_create_dir("flows", parent); for (i = 0; i < MVPP2_N_PRS_FLOWS; i++) { ret = mvpp2_dbgfs_flow_entry_init(flow_dir, priv, i); if (ret) return ret; } return 0; } static int mvpp2_dbgfs_prs_entry_init(struct dentry *parent, struct mvpp2 *priv, int tid) { struct mvpp2_dbgfs_prs_entry *entry; struct dentry *prs_entry_dir; char prs_entry_name[10]; if (tid >= MVPP2_PRS_TCAM_SRAM_SIZE) return -EINVAL; sprintf(prs_entry_name, "%03d", tid); prs_entry_dir = debugfs_create_dir(prs_entry_name, parent); entry = &priv->dbgfs_entries->prs_entries[tid]; entry->tid = tid; entry->priv = priv; /* Create each attr */ debugfs_create_file("sram", 0444, prs_entry_dir, entry, &mvpp2_dbgfs_prs_sram_fops); debugfs_create_file("valid", 0644, prs_entry_dir, entry, &mvpp2_dbgfs_prs_valid_fops); debugfs_create_file("lookup_id", 0644, prs_entry_dir, entry, &mvpp2_dbgfs_prs_lu_fops); debugfs_create_file("ai", 0644, prs_entry_dir, entry, &mvpp2_dbgfs_prs_ai_fops); debugfs_create_file("header_data", 0644, prs_entry_dir, entry, &mvpp2_dbgfs_prs_hdata_fops); debugfs_create_file("hits", 0444, prs_entry_dir, entry, &mvpp2_dbgfs_prs_hits_fops); debugfs_create_file("pmap", 0444, prs_entry_dir, entry, &mvpp2_dbgfs_prs_pmap_fops); return 0; } static int mvpp2_dbgfs_prs_init(struct dentry *parent, struct mvpp2 *priv) { struct dentry *prs_dir; int i, ret; prs_dir = debugfs_create_dir("parser", parent); for (i = 0; i < MVPP2_PRS_TCAM_SRAM_SIZE; i++) { ret = mvpp2_dbgfs_prs_entry_init(prs_dir, priv, i); if (ret) return ret; } return 0; } static int mvpp2_dbgfs_c2_entry_init(struct dentry *parent, struct mvpp2 *priv, int id) { struct mvpp2_dbgfs_c2_entry *entry; struct dentry *c2_entry_dir; char c2_entry_name[10]; if (id >= MVPP22_CLS_C2_N_ENTRIES) return -EINVAL; sprintf(c2_entry_name, "%03d", id); c2_entry_dir = debugfs_create_dir(c2_entry_name, parent); if (!c2_entry_dir) return -ENOMEM; entry = &priv->dbgfs_entries->c2_entries[id]; entry->id = id; entry->priv = priv; debugfs_create_file("hits", 0444, c2_entry_dir, entry, &mvpp2_dbgfs_flow_c2_hits_fops); debugfs_create_file("default_rxq", 0444, c2_entry_dir, entry, &mvpp2_dbgfs_flow_c2_rxq_fops); debugfs_create_file("rss_enable", 0444, c2_entry_dir, entry, &mvpp2_dbgfs_flow_c2_enable_fops); return 0; } static int mvpp2_dbgfs_flow_tbl_entry_init(struct dentry *parent, struct mvpp2 *priv, int id) { struct mvpp2_dbgfs_flow_tbl_entry *entry; struct dentry *flow_tbl_entry_dir; char flow_tbl_entry_name[10]; if (id >= MVPP2_CLS_FLOWS_TBL_SIZE) return -EINVAL; sprintf(flow_tbl_entry_name, "%03d", id); flow_tbl_entry_dir = debugfs_create_dir(flow_tbl_entry_name, parent); if (!flow_tbl_entry_dir) return -ENOMEM; entry = &priv->dbgfs_entries->flt_entries[id]; entry->id = id; entry->priv = priv; debugfs_create_file("hits", 0444, flow_tbl_entry_dir, entry, &mvpp2_dbgfs_flow_flt_hits_fops); return 0; } static int mvpp2_dbgfs_cls_init(struct dentry *parent, struct mvpp2 *priv) { struct dentry *cls_dir, *c2_dir, *flow_tbl_dir; int i, ret; cls_dir = debugfs_create_dir("classifier", parent); if (!cls_dir) return -ENOMEM; c2_dir = debugfs_create_dir("c2", cls_dir); if (!c2_dir) return -ENOMEM; for (i = 0; i < MVPP22_CLS_C2_N_ENTRIES; i++) { ret = mvpp2_dbgfs_c2_entry_init(c2_dir, priv, i); if (ret) return ret; } flow_tbl_dir = debugfs_create_dir("flow_table", cls_dir); if (!flow_tbl_dir) return -ENOMEM; for (i = 0; i < MVPP2_CLS_FLOWS_TBL_SIZE; i++) { ret = mvpp2_dbgfs_flow_tbl_entry_init(flow_tbl_dir, priv, i); if (ret) return ret; } return 0; } static int mvpp2_dbgfs_port_init(struct dentry *parent, struct mvpp2_port *port) { struct dentry *port_dir; port_dir = debugfs_create_dir(port->dev->name, parent); debugfs_create_file("parser_entries", 0444, port_dir, port, &mvpp2_dbgfs_port_parser_fops); debugfs_create_file("mac_filter", 0444, port_dir, port, &mvpp2_dbgfs_filter_fops); debugfs_create_file("vid_filter", 0444, port_dir, port, &mvpp2_dbgfs_port_vid_fops); return 0; } static struct dentry *mvpp2_root; void mvpp2_dbgfs_exit(void) { debugfs_remove(mvpp2_root); } void mvpp2_dbgfs_cleanup(struct mvpp2 *priv) { debugfs_remove_recursive(priv->dbgfs_dir); kfree(priv->dbgfs_entries); } void mvpp2_dbgfs_init(struct mvpp2 *priv, const char *name) { struct dentry *mvpp2_dir; int ret, i; if (!mvpp2_root) mvpp2_root = debugfs_create_dir(MVPP2_DRIVER_NAME, NULL); mvpp2_dir = debugfs_create_dir(name, mvpp2_root); priv->dbgfs_dir = mvpp2_dir; priv->dbgfs_entries = kzalloc(sizeof(*priv->dbgfs_entries), GFP_KERNEL); if (!priv->dbgfs_entries) goto err; ret = mvpp2_dbgfs_prs_init(mvpp2_dir, priv); if (ret) goto err; ret = mvpp2_dbgfs_cls_init(mvpp2_dir, priv); if (ret) goto err; for (i = 0; i < priv->port_count; i++) { ret = mvpp2_dbgfs_port_init(mvpp2_dir, priv->port_list[i]); if (ret) goto err; } ret = mvpp2_dbgfs_flow_init(mvpp2_dir, priv); if (ret) goto err; return; err: mvpp2_dbgfs_cleanup(priv); }
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