diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2.h b/drivers/net/ethernet/marvell/mvpp2/mvpp2.h index 70b3e9cd0d84..af4968d7c007 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2.h +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2.h @@ -132,8 +132,10 @@ #define MVPP22_CLS_C2_ATTR0 0x1b64 #define MVPP22_CLS_C2_ATTR0_QHIGH(qh) (((qh) & 0x1f) << 24) #define MVPP22_CLS_C2_ATTR0_QHIGH_MASK 0x1f +#define MVPP22_CLS_C2_ATTR0_QHIGH_OFFS 24 #define MVPP22_CLS_C2_ATTR0_QLOW(ql) (((ql) & 0x7) << 21) #define MVPP22_CLS_C2_ATTR0_QLOW_MASK 0x7 +#define MVPP22_CLS_C2_ATTR0_QLOW_OFFS 21 #define MVPP22_CLS_C2_ATTR1 0x1b68 #define MVPP22_CLS_C2_ATTR2 0x1b6c #define MVPP22_CLS_C2_ATTR2_RSS_EN BIT(30) diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_cls.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_cls.c index 125466c66f1a..c5012fa390c8 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_cls.c +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_cls.c @@ -322,8 +322,8 @@ static struct mvpp2_cls_flow cls_flows[MVPP2_N_FLOWS] = { 0, 0), }; -static void mvpp2_cls_flow_read(struct mvpp2 *priv, int index, - struct mvpp2_cls_flow_entry *fe) +void mvpp2_cls_flow_read(struct mvpp2 *priv, int index, + struct mvpp2_cls_flow_entry *fe) { fe->index = index; mvpp2_write(priv, MVPP2_CLS_FLOW_INDEX_REG, index); @@ -342,6 +342,18 @@ static void mvpp2_cls_flow_write(struct mvpp2 *priv, mvpp2_write(priv, MVPP2_CLS_FLOW_TBL2_REG, fe->data[2]); } +void mvpp2_cls_lookup_read(struct mvpp2 *priv, int lkpid, int way, + struct mvpp2_cls_lookup_entry *le) +{ + u32 val; + + val = (way << MVPP2_CLS_LKP_INDEX_WAY_OFFS) | lkpid; + mvpp2_write(priv, MVPP2_CLS_LKP_INDEX_REG, val); + le->way = way; + le->lkpid = lkpid; + le->data = mvpp2_read(priv, MVPP2_CLS_LKP_TBL_REG); +} + /* Update classification lookup table register */ static void mvpp2_cls_lookup_write(struct mvpp2 *priv, struct mvpp2_cls_lookup_entry *le) @@ -388,6 +400,12 @@ static void mvpp2_cls_flow_eng_set(struct mvpp2_cls_flow_entry *fe, fe->data[0] |= MVPP2_CLS_FLOW_TBL0_ENG(engine); } +int mvpp2_cls_flow_eng_get(struct mvpp2_cls_flow_entry *fe) +{ + return (fe->data[0] >> MVPP2_CLS_FLOW_TBL0_OFFS) & + MVPP2_CLS_FLOW_TBL0_ENG_MASK; +} + static void mvpp2_cls_flow_port_id_sel(struct mvpp2_cls_flow_entry *fe, bool from_packet) { @@ -554,7 +572,7 @@ static int mvpp2_flow_set_hek_fields(struct mvpp2_cls_flow_entry *fe, return 0; } -static struct mvpp2_cls_flow *mvpp2_cls_flow_get(int flow) +struct mvpp2_cls_flow *mvpp2_cls_flow_get(int flow) { if (flow >= MVPP2_N_FLOWS) return NULL; @@ -725,8 +743,8 @@ static void mvpp2_cls_c2_write(struct mvpp2 *priv, mvpp2_write(priv, MVPP22_CLS_C2_ATTR3, c2->attr[3]); } -static void mvpp2_cls_c2_read(struct mvpp2 *priv, int index, - struct mvpp2_cls_c2_entry *c2) +void mvpp2_cls_c2_read(struct mvpp2 *priv, int index, + struct mvpp2_cls_c2_entry *c2) { mvpp2_write(priv, MVPP22_CLS_C2_TCAM_IDX, index); diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_cls.h b/drivers/net/ethernet/marvell/mvpp2/mvpp2_cls.h index e159489a20ea..13eae2d1b4bf 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_cls.h +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_cls.h @@ -209,4 +209,19 @@ void mvpp2_cls_port_config(struct mvpp2_port *port); void mvpp2_cls_oversize_rxq_set(struct mvpp2_port *port); +int mvpp2_cls_flow_eng_get(struct mvpp2_cls_flow_entry *fe); + +u16 mvpp2_flow_get_hek_fields(struct mvpp2_cls_flow_entry *fe); + +struct mvpp2_cls_flow *mvpp2_cls_flow_get(int flow); + +void mvpp2_cls_flow_read(struct mvpp2 *priv, int index, + struct mvpp2_cls_flow_entry *fe); + +void mvpp2_cls_lookup_read(struct mvpp2 *priv, int lkpid, int way, + struct mvpp2_cls_lookup_entry *le); + +void mvpp2_cls_c2_read(struct mvpp2 *priv, int index, + struct mvpp2_cls_c2_entry *c2); + #endif diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_debugfs.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_debugfs.c index af8fb93a8ae2..fc46ec81249b 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_debugfs.c +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_debugfs.c @@ -11,12 +11,207 @@ #include "mvpp2.h" #include "mvpp2_prs.h" +#include "mvpp2_cls.h" struct mvpp2_dbgfs_prs_entry { int tid; struct mvpp2 *priv; }; +struct mvpp2_dbgfs_flow_entry { + int flow; + struct mvpp2 *priv; +}; + +struct mvpp2_dbgfs_port_flow_entry { + struct mvpp2_port *port; + struct mvpp2_dbgfs_flow_entry *dbg_fe; +}; + +static int mvpp2_dbgfs_flow_type_show(struct seq_file *s, void *unused) +{ + struct mvpp2_dbgfs_flow_entry *entry = s->private; + 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; +} + +static int mvpp2_dbgfs_flow_type_open(struct inode *inode, struct file *file) +{ + return single_open(file, mvpp2_dbgfs_flow_type_show, inode->i_private); +} + +static int mvpp2_dbgfs_flow_type_release(struct inode *inode, struct file *file) +{ + struct seq_file *seq = file->private_data; + struct mvpp2_dbgfs_flow_entry *flow_entry = seq->private; + + kfree(flow_entry); + return single_release(inode, file); +} + +static const struct file_operations mvpp2_dbgfs_flow_type_fops = { + .open = mvpp2_dbgfs_flow_type_open, + .read = seq_read, + .release = mvpp2_dbgfs_flow_type_release, +}; + +static int mvpp2_dbgfs_flow_id_show(struct seq_file *s, void *unused) +{ + struct mvpp2_dbgfs_flow_entry *entry = s->private; + 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; + 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_PORT_FLOW_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; +} + +static int mvpp2_dbgfs_port_flow_hash_opt_open(struct inode *inode, + struct file *file) +{ + return single_open(file, mvpp2_dbgfs_port_flow_hash_opt_show, + inode->i_private); +} + +static int mvpp2_dbgfs_port_flow_hash_opt_release(struct inode *inode, + struct file *file) +{ + struct seq_file *seq = file->private_data; + struct mvpp2_dbgfs_port_flow_entry *flow_entry = seq->private; + + kfree(flow_entry); + return single_release(inode, file); +} + +static const struct file_operations mvpp2_dbgfs_port_flow_hash_opt_fops = { + .open = mvpp2_dbgfs_port_flow_hash_opt_open, + .read = seq_read, + .release = mvpp2_dbgfs_port_flow_hash_opt_release, +}; + +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; + 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_PORT_FLOW_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_rxq_show(struct seq_file *s, void *unused) +{ + struct mvpp2_port *port = s->private; + struct mvpp2_cls_c2_entry c2; + u8 qh, ql; + + mvpp2_cls_c2_read(port->priv, MVPP22_CLS_C2_RSS_ENTRY(port->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_port *port = s->private; + struct mvpp2_cls_c2_entry c2; + int enabled; + + mvpp2_cls_c2_read(port->priv, MVPP22_CLS_C2_RSS_ENTRY(port->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; @@ -239,6 +434,90 @@ static const struct file_operations mvpp2_dbgfs_prs_valid_fops = { .release = mvpp2_dbgfs_prs_valid_release, }; +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); + if (IS_ERR(port_dir)) + return PTR_ERR(port_dir); + + /* This will be freed by 'hash_opts' release op */ + port_entry = kmalloc(sizeof(*port_entry), GFP_KERNEL); + if (!port_entry) + return -ENOMEM; + + 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); + if (!flow_entry_dir) + return -ENOMEM; + + /* This will be freed by 'type' release op */ + entry = kmalloc(sizeof(*entry), GFP_KERNEL); + if (!entry) + return -ENOMEM; + + entry->flow = flow; + entry->priv = priv; + + 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); + if (!flow_dir) + return -ENOMEM; + + for (i = 0; i < MVPP2_N_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) { @@ -321,6 +600,12 @@ static int mvpp2_dbgfs_port_init(struct dentry *parent, debugfs_create_file("vid_filter", 0444, port_dir, port, &mvpp2_dbgfs_port_vid_fops); + debugfs_create_file("default_rxq", 0444, port_dir, port, + &mvpp2_dbgfs_flow_c2_rxq_fops); + + debugfs_create_file("rss_enable", 0444, port_dir, port, + &mvpp2_dbgfs_flow_c2_enable_fops); + return 0; } @@ -357,6 +642,10 @@ void mvpp2_dbgfs_init(struct mvpp2 *priv, const char *name) goto err; } + ret = mvpp2_dbgfs_flow_init(mvpp2_dir, priv); + if (ret) + goto err; + return; err: mvpp2_dbgfs_cleanup(priv);