diff mbox series

[V1,05/12] octeontx2-af: FLR handler for exact match table.

Message ID 20220706034442.2308670-6-rkannoth@marvell.com (mailing list archive)
State Superseded
Commit 799f02ef2ce38e5da7f9c8724df87d5043287526
Delegated to: Netdev Maintainers
Headers show
Series *** Exact Match Table *** | expand

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netdev/fixes_present success Fixes tag not required for -next series
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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 5 maintainers not CCed: hkelam@marvell.com sbhatta@marvell.com lcherian@marvell.com gakula@marvell.com jerinj@marvell.com
netdev/build_clang success Errors and warnings before: 14 this patch: 14
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: 22 this patch: 22
netdev/checkpatch warning WARNING: line length of 82 exceeds 80 columns
netdev/kdoc success Errors and warnings before: 9 this patch: 9
netdev/source_inline success Was 0 now: 0

Commit Message

Ratheesh Kannoth July 6, 2022, 3:44 a.m. UTC 
FLR handler should remove/free all exact match table resources
corresponding to each interface.

Signed-off-by: Ratheesh Kannoth <rkannoth@marvell.com>
---
 .../net/ethernet/marvell/octeontx2/af/rvu.c   |  3 +++
 .../marvell/octeontx2/af/rvu_npc_hash.c       | 27 +++++++++++++++++++
 .../marvell/octeontx2/af/rvu_npc_hash.h       |  1 +
 3 files changed, 31 insertions(+)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu.c
index 1b6e9efbb8ec..88b9856a7b39 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu.c
@@ -2555,6 +2555,9 @@  static void rvu_blklf_teardown(struct rvu *rvu, u16 pcifunc, u8 blkaddr)
 
 static void __rvu_flr_handler(struct rvu *rvu, u16 pcifunc)
 {
+	if (rvu_npc_exact_has_match_table(rvu))
+		rvu_npc_exact_reset(rvu, pcifunc);
+
 	mutex_lock(&rvu->flr_lock);
 	/* Reset order should reflect inter-block dependencies:
 	 * 1. Reset any packet/work sources (NIX, CPT, TIM)
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.c
index ef790a54743a..25125e91a016 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.c
@@ -1170,6 +1170,33 @@  void rvu_npc_exact_disable_feature(struct rvu *rvu)
 	rvu->hw->cap.npc_exact_match_enabled = false;
 }
 
+/**
+ *	rvu_npc_exact_reset - Delete and free all entry which match pcifunc.
+ *      @rvu: resource virtualization unit.
+ *	@pcifunc: PCI func to match.
+ */
+void rvu_npc_exact_reset(struct rvu *rvu, u16 pcifunc)
+{
+	struct npc_exact_table *table = rvu->hw->table;
+	struct npc_exact_table_entry *tmp, *iter;
+	u32 seq_id;
+
+	mutex_lock(&table->lock);
+	list_for_each_entry_safe(iter, tmp, &table->lhead_gbl, glist) {
+		if (pcifunc != iter->pcifunc)
+			continue;
+
+		seq_id = iter->seq_id;
+		dev_dbg(rvu->dev, "%s: resetting pcifun=%d seq_id=%u\n", __func__,
+			pcifunc, seq_id);
+
+		mutex_unlock(&table->lock);
+		rvu_npc_exact_del_table_entry_by_id(rvu, seq_id);
+		mutex_lock(&table->lock);
+	}
+	mutex_unlock(&table->lock);
+}
+
 /**
  *      rvu_npc_exact_init - initialize exact match table
  *      @rvu: resource virtualization unit.
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.h b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.h
index 7adb5c5c5082..0a4aeddbadca 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.h
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.h
@@ -187,5 +187,6 @@  int rvu_npc_exact_init(struct rvu *rvu);
 
 bool rvu_npc_exact_can_disable_feature(struct rvu *rvu);
 void rvu_npc_exact_disable_feature(struct rvu *rvu);
+void rvu_npc_exact_reset(struct rvu *rvu, u16 pcifunc);
 
 #endif /* RVU_NPC_HASH_H */