diff mbox series

[net-next,v2,7/8] octeontx2-af: cn10k: mcs: Add debugfs support

Message ID 1664337490-20231-8-git-send-email-sbhatta@marvell.com (mailing list archive)
State Superseded
Delegated to: Netdev Maintainers
Headers show
Series Introduce macsec hardware offload for cn10k platform | expand

Checks

Context Check Description
netdev/tree_selection success Clearly marked for net-next
netdev/fixes_present success Fixes tag not required for -next series
netdev/subject_prefix success Link
netdev/cover_letter success Series has a cover letter
netdev/patch_count success Link
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 0 this patch: 0
netdev/cc_maintainers warning 3 maintainers not CCed: lcherian@marvell.com jerinj@marvell.com hkelam@marvell.com
netdev/build_clang fail Errors and warnings before: 6 this patch: 9
netdev/module_param success Was 0 now: 0
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 8 this patch: 8
netdev/checkpatch warning WARNING: line length of 100 exceeds 80 columns WARNING: line length of 81 exceeds 80 columns WARNING: line length of 83 exceeds 80 columns WARNING: line length of 85 exceeds 80 columns WARNING: line length of 86 exceeds 80 columns WARNING: line length of 87 exceeds 80 columns WARNING: line length of 88 exceeds 80 columns WARNING: line length of 89 exceeds 80 columns WARNING: line length of 90 exceeds 80 columns WARNING: line length of 91 exceeds 80 columns WARNING: line length of 93 exceeds 80 columns WARNING: line length of 94 exceeds 80 columns WARNING: line length of 95 exceeds 80 columns WARNING: line length of 96 exceeds 80 columns WARNING: line length of 97 exceeds 80 columns WARNING: line length of 98 exceeds 80 columns WARNING: line length of 99 exceeds 80 columns
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Subbaraya Sundeep Sept. 28, 2022, 3:58 a.m. UTC 
From: Geetha sowjanya <gakula@marvell.com>

This patch adds debugfs entry to dump MCS secy, sc,
sa, flowid and port stats. This helps in debugging
the packet path and to figure out where exactly packet
was dropped.

Signed-off-by: Geetha sowjanya <gakula@marvell.com>
Signed-off-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com>
---
 drivers/net/ethernet/marvell/octeontx2/af/rvu.h    |   4 +
 .../ethernet/marvell/octeontx2/af/rvu_debugfs.c    | 346 +++++++++++++++++++++
 2 files changed, 350 insertions(+)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu.h b/drivers/net/ethernet/marvell/octeontx2/af/rvu.h
index d0268c4..76474385 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu.h
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu.h
@@ -64,6 +64,10 @@  struct rvu_debugfs {
 	struct dentry *nix;
 	struct dentry *npc;
 	struct dentry *cpt;
+	struct dentry *mcs_root;
+	struct dentry *mcs;
+	struct dentry *mcs_rx;
+	struct dentry *mcs_tx;
 	struct dump_ctx npa_aura_ctx;
 	struct dump_ctx npa_pool_ctx;
 	struct dump_ctx nix_cq_ctx;
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c
index f42a09f..c944884 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c
@@ -19,6 +19,7 @@ 
 #include "lmac_common.h"
 #include "npc.h"
 #include "rvu_npc_hash.h"
+#include "mcs.h"
 
 #define DEBUGFS_DIR_NAME "octeontx2"
 
@@ -227,6 +228,350 @@  static const struct file_operations rvu_dbg_##name##_fops = { \
 
 static void print_nix_qsize(struct seq_file *filp, struct rvu_pfvf *pfvf);
 
+static int rvu_dbg_mcs_port_stats_display(struct seq_file *filp, void *unused, int dir)
+{
+	struct mcs *mcs = filp->private;
+	struct mcs_port_stats stats;
+	int lmac;
+
+	seq_puts(filp, "\n port stats\n");
+	mutex_lock(&mcs->stats_lock);
+	for_each_set_bit(lmac, &mcs->hw->lmac_bmap, mcs->hw->lmac_cnt) {
+		mcs_get_port_stats(mcs, &stats, lmac, dir);
+		seq_printf(filp, "port%d: Tcam Miss: %lld\n", lmac, stats.tcam_miss_cnt);
+		seq_printf(filp, "port%d: Parser errors: %lld\n", lmac, stats.parser_err_cnt);
+
+		if (dir == MCS_RX && mcs->hw->mcs_blks > 1)
+			seq_printf(filp, "port%d: Preempt error: %lld\n", lmac,
+				   stats.preempt_err_cnt);
+		if (dir == MCS_TX)
+			seq_printf(filp, "port%d: Sectag insert error: %lld\n", lmac,
+				   stats.sectag_insert_err_cnt);
+	}
+	mutex_unlock(&mcs->stats_lock);
+	return 0;
+}
+
+static int rvu_dbg_mcs_rx_port_stats_display(struct seq_file *filp, void *unused)
+{
+	return rvu_dbg_mcs_port_stats_display(filp, unused, MCS_RX);
+}
+
+RVU_DEBUG_SEQ_FOPS(mcs_rx_port_stats, mcs_rx_port_stats_display, NULL);
+
+static int rvu_dbg_mcs_tx_port_stats_display(struct seq_file *filp, void *unused)
+{
+	return rvu_dbg_mcs_port_stats_display(filp, unused, MCS_TX);
+}
+
+RVU_DEBUG_SEQ_FOPS(mcs_tx_port_stats, mcs_tx_port_stats_display, NULL);
+
+static int rvu_dbg_mcs_sa_stats_display(struct seq_file *filp, void *unused, int dir)
+{
+	struct mcs *mcs = filp->private;
+	struct mcs_sa_stats stats;
+	struct rsrc_bmap *map;
+	int sa_id;
+
+	if (dir == MCS_TX) {
+		mutex_lock(&mcs->stats_lock);
+		map = &mcs->tx.sa;
+		seq_puts(filp, "\n TX SA stats\n");
+		mcs_get_sa_stats(mcs, &stats, sa_id, MCS_TX);
+		for_each_set_bit(sa_id, map->bmap, mcs->hw->sa_entries) {
+			seq_printf(filp, "sa%d: Pkts encrypted: %lld\n", sa_id,
+				   stats.pkt_encrypt_cnt);
+
+			seq_printf(filp, "sa%d: Pkts protected: %lld\n", sa_id,
+				   stats.pkt_protected_cnt);
+		}
+		mutex_unlock(&mcs->stats_lock);
+		return 0;
+	}
+
+	/* RX stats */
+	map = &mcs->rx.sa;
+	mutex_lock(&mcs->stats_lock);
+	for_each_set_bit(sa_id, map->bmap, mcs->hw->sa_entries) {
+		seq_puts(filp, "\n RX SA stats\n");
+		mcs_get_sa_stats(mcs, &stats, sa_id, MCS_RX);
+		seq_printf(filp, "sa%d: Invalid pkts: %lld\n", sa_id, stats.pkt_invalid_cnt);
+		seq_printf(filp, "sa%d: Pkts no sa error: %lld\n", sa_id, stats.pkt_nosaerror_cnt);
+		seq_printf(filp, "sa%d: Pkts not valid: %lld\n", sa_id, stats.pkt_notvalid_cnt);
+		seq_printf(filp, "sa%d: Pkts ok: %lld\n", sa_id, stats.pkt_ok_cnt);
+		seq_printf(filp, "sa%d: Pkts no sa: %lld\n", sa_id, stats.pkt_nosa_cnt);
+	}
+	mutex_unlock(&mcs->stats_lock);
+	return 0;
+}
+
+static int rvu_dbg_mcs_rx_sa_stats_display(struct seq_file *filp, void *unused)
+{
+	return rvu_dbg_mcs_sa_stats_display(filp, unused, MCS_RX);
+}
+
+RVU_DEBUG_SEQ_FOPS(mcs_rx_sa_stats, mcs_rx_sa_stats_display, NULL);
+
+static int rvu_dbg_mcs_tx_sa_stats_display(struct seq_file *filp, void *unused)
+{
+	return rvu_dbg_mcs_sa_stats_display(filp, unused, MCS_TX);
+}
+
+RVU_DEBUG_SEQ_FOPS(mcs_tx_sa_stats, mcs_tx_sa_stats_display, NULL);
+
+static int rvu_dbg_mcs_tx_sc_stats_display(struct seq_file *filp, void *unused)
+{
+	struct mcs *mcs = filp->private;
+	struct mcs_sc_stats stats;
+	struct rsrc_bmap *map;
+	int sc_id;
+
+	map = &mcs->tx.sc;
+	seq_puts(filp, "\n SC stats\n");
+
+	mutex_lock(&mcs->stats_lock);
+	for_each_set_bit(sc_id, map->bmap, mcs->hw->sc_entries) {
+		mcs_get_sc_stats(mcs, &stats, sc_id, MCS_TX);
+		seq_printf(filp, "\n=======sc%d======\n\n", sc_id);
+		seq_printf(filp, "sc%d: Pkts encrypted: %lld\n", sc_id, stats.pkt_encrypt_cnt);
+		seq_printf(filp, "sc%d: Pkts protected: %lld\n", sc_id, stats.pkt_protected_cnt);
+
+		if (mcs->hw->mcs_blks == 1) {
+			seq_printf(filp, "sc%d: Octets encrypted: %lld\n", sc_id,
+				   stats.octet_encrypt_cnt);
+			seq_printf(filp, "sc%d: Octets protected: %lld\n", sc_id,
+				   stats.octet_protected_cnt);
+		}
+	}
+	mutex_unlock(&mcs->stats_lock);
+	return 0;
+}
+
+RVU_DEBUG_SEQ_FOPS(mcs_tx_sc_stats, mcs_tx_sc_stats_display, NULL);
+
+static int rvu_dbg_mcs_rx_sc_stats_display(struct seq_file *filp, void *unused)
+{
+	struct mcs *mcs = filp->private;
+	struct mcs_sc_stats stats;
+	struct rsrc_bmap *map;
+	int sc_id;
+
+	map = &mcs->rx.sc;
+	seq_puts(filp, "\n SC stats\n");
+
+	mutex_lock(&mcs->stats_lock);
+	for_each_set_bit(sc_id, map->bmap, mcs->hw->sc_entries) {
+		mcs_get_sc_stats(mcs, &stats, sc_id, MCS_RX);
+		seq_printf(filp, "\n=======sc%d======\n\n", sc_id);
+		seq_printf(filp, "sc%d: Cam hits: %lld\n", sc_id, stats.hit_cnt);
+		seq_printf(filp, "sc%d: Invalid pkts: %lld\n", sc_id, stats.pkt_invalid_cnt);
+		seq_printf(filp, "sc%d: Late pkts: %lld\n", sc_id, stats.pkt_late_cnt);
+		seq_printf(filp, "sc%d: Notvalid pkts: %lld\n", sc_id, stats.pkt_notvalid_cnt);
+		seq_printf(filp, "sc%d: Unchecked pkts: %lld\n", sc_id, stats.pkt_unchecked_cnt);
+
+		if (mcs->hw->mcs_blks > 1) {
+			seq_printf(filp, "sc%d: Delay pkts: %lld\n", sc_id, stats.pkt_delay_cnt);
+			seq_printf(filp, "sc%d: Pkts ok: %lld\n", sc_id, stats.pkt_ok_cnt);
+		}
+		if (mcs->hw->mcs_blks == 1) {
+			seq_printf(filp, "sc%d: Octets decrypted: %lld\n", sc_id,
+				   stats.octet_decrypt_cnt);
+			seq_printf(filp, "sc%d: Octets validated: %lld\n", sc_id,
+				   stats.octet_validate_cnt);
+		}
+	}
+	mutex_unlock(&mcs->stats_lock);
+	return 0;
+}
+
+RVU_DEBUG_SEQ_FOPS(mcs_rx_sc_stats, mcs_rx_sc_stats_display, NULL);
+
+static int rvu_dbg_mcs_flowid_stats_display(struct seq_file *filp, void *unused, int dir)
+{
+	struct mcs *mcs = filp->private;
+	struct mcs_flowid_stats stats;
+	struct rsrc_bmap *map;
+	int flow_id;
+
+	seq_puts(filp, "\n Flowid stats\n");
+
+	if (dir == MCS_RX)
+		map = &mcs->rx.flow_ids;
+	else
+		map = &mcs->tx.flow_ids;
+
+	mutex_lock(&mcs->stats_lock);
+	for_each_set_bit(flow_id, map->bmap, mcs->hw->tcam_entries) {
+		mcs_get_flowid_stats(mcs, &stats, flow_id, dir);
+		seq_printf(filp, "Flowid%d: Hit:%lld\n", flow_id, stats.tcam_hit_cnt);
+	}
+	mutex_unlock(&mcs->stats_lock);
+	return 0;
+}
+
+static int rvu_dbg_mcs_tx_flowid_stats_display(struct seq_file *filp, void *unused)
+{
+	return rvu_dbg_mcs_flowid_stats_display(filp, unused, MCS_TX);
+}
+
+RVU_DEBUG_SEQ_FOPS(mcs_tx_flowid_stats, mcs_tx_flowid_stats_display, NULL);
+
+static int rvu_dbg_mcs_rx_flowid_stats_display(struct seq_file *filp, void *unused)
+{
+	return rvu_dbg_mcs_flowid_stats_display(filp, unused, MCS_RX);
+}
+
+RVU_DEBUG_SEQ_FOPS(mcs_rx_flowid_stats, mcs_rx_flowid_stats_display, NULL);
+
+static int rvu_dbg_mcs_tx_secy_stats_display(struct seq_file *filp, void *unused)
+{
+	struct mcs *mcs = filp->private;
+	struct mcs_secy_stats stats;
+	struct rsrc_bmap *map;
+	int secy_id;
+
+	map = &mcs->tx.secy;
+	seq_puts(filp, "\n MCS TX secy stats\n");
+
+	mutex_lock(&mcs->stats_lock);
+	for_each_set_bit(secy_id, map->bmap, mcs->hw->secy_entries) {
+		mcs_get_tx_secy_stats(mcs, &stats, secy_id);
+		seq_printf(filp, "\n=======Secy%d======\n\n", secy_id);
+		seq_printf(filp, "secy%d: Ctrl bcast pkts: %lld\n", secy_id,
+			   stats.ctl_pkt_bcast_cnt);
+		seq_printf(filp, "secy%d: Ctrl Mcast pkts: %lld\n", secy_id,
+			   stats.ctl_pkt_mcast_cnt);
+		seq_printf(filp, "secy%d: Ctrl ucast pkts: %lld\n", secy_id,
+			   stats.ctl_pkt_ucast_cnt);
+		seq_printf(filp, "secy%d: Ctrl octets: %lld\n", secy_id, stats.ctl_octet_cnt);
+		seq_printf(filp, "secy%d: Unctrl bcast cnt: %lld\n", secy_id,
+			   stats.unctl_pkt_bcast_cnt);
+		seq_printf(filp, "secy%d: Unctrl mcast pkts: %lld\n", secy_id,
+			   stats.unctl_pkt_mcast_cnt);
+		seq_printf(filp, "secy%d: Unctrl ucast pkts: %lld\n", secy_id,
+			   stats.unctl_pkt_ucast_cnt);
+		seq_printf(filp, "secy%d: Unctrl octets: %lld\n", secy_id, stats.unctl_octet_cnt);
+		seq_printf(filp, "secy%d: Octet encrypted: %lld\n", secy_id,
+			   stats.octet_encrypted_cnt);
+		seq_printf(filp, "secy%d: octet protected: %lld\n", secy_id,
+			   stats.octet_protected_cnt);
+		seq_printf(filp, "secy%d: Pkts on active sa: %lld\n", secy_id,
+			   stats.pkt_noactivesa_cnt);
+		seq_printf(filp, "secy%d: Pkts too long: %lld\n", secy_id, stats.pkt_toolong_cnt);
+		seq_printf(filp, "secy%d: Pkts untagged: %lld\n", secy_id, stats.pkt_untagged_cnt);
+	}
+	mutex_unlock(&mcs->stats_lock);
+	return 0;
+}
+
+RVU_DEBUG_SEQ_FOPS(mcs_tx_secy_stats, mcs_tx_secy_stats_display, NULL);
+
+static int rvu_dbg_mcs_rx_secy_stats_display(struct seq_file *filp, void *unused)
+{
+	struct mcs *mcs = filp->private;
+	struct mcs_secy_stats stats;
+	struct rsrc_bmap *map;
+	int secy_id;
+
+	map = &mcs->rx.secy;
+	seq_puts(filp, "\n MCS secy stats\n");
+
+	mutex_lock(&mcs->stats_lock);
+	for_each_set_bit(secy_id, map->bmap, mcs->hw->secy_entries) {
+		mcs_get_rx_secy_stats(mcs, &stats, secy_id);
+		seq_printf(filp, "\n=======Secy%d======\n\n", secy_id);
+		seq_printf(filp, "secy%d: Ctrl bcast pkts: %lld\n", secy_id,
+			   stats.ctl_pkt_bcast_cnt);
+		seq_printf(filp, "secy%d: Ctrl Mcast pkts: %lld\n", secy_id,
+			   stats.ctl_pkt_mcast_cnt);
+		seq_printf(filp, "secy%d: Ctrl ucast pkts: %lld\n", secy_id,
+			   stats.ctl_pkt_ucast_cnt);
+		seq_printf(filp, "secy%d: Ctrl octets: %lld\n", secy_id, stats.ctl_octet_cnt);
+		seq_printf(filp, "secy%d: Unctrl bcast cnt: %lld\n", secy_id,
+			   stats.unctl_pkt_bcast_cnt);
+		seq_printf(filp, "secy%d: Unctrl mcast pkts: %lld\n", secy_id,
+			   stats.unctl_pkt_mcast_cnt);
+		seq_printf(filp, "secy%d: Unctrl ucast pkts: %lld\n", secy_id,
+			   stats.unctl_pkt_ucast_cnt);
+		seq_printf(filp, "secy%d: Unctrl octets: %lld\n", secy_id, stats.unctl_octet_cnt);
+		seq_printf(filp, "secy%d: Octet decrypted: %lld\n", secy_id,
+			   stats.octet_decrypted_cnt);
+		seq_printf(filp, "secy%d: octet validated: %lld\n", secy_id,
+			   stats.octet_validated_cnt);
+		seq_printf(filp, "secy%d: Pkts on disable port: %lld\n", secy_id,
+			   stats.pkt_port_disabled_cnt);
+		seq_printf(filp, "secy%d: Octets validated: %lld\n", secy_id, stats.pkt_badtag_cnt);
+		seq_printf(filp, "secy%d: Octets validated: %lld\n", secy_id, stats.pkt_nosa_cnt);
+		seq_printf(filp, "secy%d: Pkts with nosaerror: %lld\n", secy_id,
+			   stats.pkt_nosaerror_cnt);
+		seq_printf(filp, "secy%d: Tagged ctrl pkts: %lld\n", secy_id,
+			   stats.pkt_tagged_ctl_cnt);
+		seq_printf(filp, "secy%d: Untaged pkts: %lld\n", secy_id, stats.pkt_untaged_cnt);
+		seq_printf(filp, "secy%d: Ctrl pkts: %lld\n", secy_id, stats.pkt_ctl_cnt);
+		if (mcs->hw->mcs_blks > 1)
+			seq_printf(filp, "secy%d: pkts notag: %lld\n", secy_id,
+				   stats.pkt_notag_cnt);
+	}
+	mutex_unlock(&mcs->stats_lock);
+	return 0;
+}
+
+RVU_DEBUG_SEQ_FOPS(mcs_rx_secy_stats, mcs_rx_secy_stats_display, NULL);
+
+static void rvu_dbg_mcs_init(struct rvu *rvu)
+{
+	struct mcs *mcs;
+	char dname[10];
+	int i;
+
+	if (!rvu->mcs_blk_cnt)
+		return;
+
+	rvu->rvu_dbg.mcs_root = debugfs_create_dir("mcs", rvu->rvu_dbg.root);
+
+	for (i = 0; i < rvu->mcs_blk_cnt; i++) {
+		mcs = mcs_get_pdata(i);
+
+		sprintf(dname, "mcs%d", i);
+		rvu->rvu_dbg.mcs = debugfs_create_dir(dname,
+						      rvu->rvu_dbg.mcs_root);
+
+		rvu->rvu_dbg.mcs_rx = debugfs_create_dir("rx_stats", rvu->rvu_dbg.mcs);
+
+		debugfs_create_file("flowid", 0600, rvu->rvu_dbg.mcs_rx, mcs,
+				    &rvu_dbg_mcs_rx_flowid_stats_fops);
+
+		debugfs_create_file("secy", 0600, rvu->rvu_dbg.mcs_rx, mcs,
+				    &rvu_dbg_mcs_rx_secy_stats_fops);
+
+		debugfs_create_file("sc", 0600, rvu->rvu_dbg.mcs_rx, mcs,
+				    &rvu_dbg_mcs_rx_sc_stats_fops);
+
+		debugfs_create_file("sa", 0600, rvu->rvu_dbg.mcs_rx, mcs,
+				    &rvu_dbg_mcs_rx_sa_stats_fops);
+
+		debugfs_create_file("port", 0600, rvu->rvu_dbg.mcs_rx, mcs,
+				    &rvu_dbg_mcs_rx_port_stats_fops);
+
+		rvu->rvu_dbg.mcs_tx = debugfs_create_dir("tx_stats", rvu->rvu_dbg.mcs);
+
+		debugfs_create_file("flowid", 0600, rvu->rvu_dbg.mcs_tx, mcs,
+				    &rvu_dbg_mcs_tx_flowid_stats_fops);
+
+		debugfs_create_file("secy", 0600, rvu->rvu_dbg.mcs_tx, mcs,
+				    &rvu_dbg_mcs_tx_secy_stats_fops);
+
+		debugfs_create_file("sc", 0600, rvu->rvu_dbg.mcs_tx, mcs,
+				    &rvu_dbg_mcs_tx_sc_stats_fops);
+
+		debugfs_create_file("sa", 0600, rvu->rvu_dbg.mcs_tx, mcs,
+				    &rvu_dbg_mcs_tx_sa_stats_fops);
+
+		debugfs_create_file("port", 0600, rvu->rvu_dbg.mcs_tx, mcs,
+				    &rvu_dbg_mcs_tx_port_stats_fops);
+	}
+}
+
 #define LMT_MAPTBL_ENTRY_SIZE 16
 /* Dump LMTST map table */
 static ssize_t rvu_dbg_lmtst_map_table_display(struct file *filp,
@@ -3053,6 +3398,7 @@  void rvu_dbg_init(struct rvu *rvu)
 	rvu_dbg_npc_init(rvu);
 	rvu_dbg_cpt_init(rvu, BLKADDR_CPT0);
 	rvu_dbg_cpt_init(rvu, BLKADDR_CPT1);
+	rvu_dbg_mcs_init(rvu);
 }
 
 void rvu_dbg_exit(struct rvu *rvu)