From: Ratheesh Kannoth <rkannoth@marvell.com>
To: <netdev@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Cc: <sgoutham@marvell.com>, <davem@davemloft.net>,
<edumazet@google.com>, <kuba@kernel.org>, <pabeni@redhat.com>,
Ratheesh Kannoth <rkannoth@marvell.com>
Subject: [PATCH V2 05/12] octeontx2-af: FLR handler for exact match table.
Date: Thu, 7 Jul 2022 10:13:57 +0530 [thread overview]
Message-ID: <20220707044404.2723378-6-rkannoth@marvell.com> (raw)
In-Reply-To: <20220707044404.2723378-1-rkannoth@marvell.com>
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 --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 444d2b9a4b29..96fc56924042 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.c
@@ -1183,6 +1183,33 @@ 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 */
--
2.25.1
next prev parent reply other threads:[~2022-07-07 4:45 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-07 4:43 [PATCH V2 00/12] *** Exact Match Table *** Ratheesh Kannoth
2022-07-07 4:43 ` [PATCH V2 01/12] octeontx2-af: Use hashed field in MCAM key Ratheesh Kannoth
2022-07-07 4:43 ` [PATCH V2 02/12] octeontx2-af: Exact match support Ratheesh Kannoth
2022-07-07 4:43 ` [PATCH V2 03/12] octeontx2-af: Exact match scan from kex profile Ratheesh Kannoth
2022-07-07 4:43 ` [PATCH V2 04/12] octeontx2-af: devlink configuration support Ratheesh Kannoth
2022-07-07 4:43 ` Ratheesh Kannoth [this message]
2022-07-07 4:43 ` [PATCH V2 06/12] octeontx2-af: Drop rules for NPC MCAM Ratheesh Kannoth
2022-07-07 4:43 ` [PATCH V2 07/12] octeontx2-af: Debugsfs support for exact match Ratheesh Kannoth
2022-07-07 4:44 ` [PATCH V2 08/12] octeontx2: Modify mbox request and response structures Ratheesh Kannoth
2022-07-07 4:44 ` [PATCH V2 09/12] octeontx2-af: Wrapper functions for MAC addr add/del/update/reset Ratheesh Kannoth
2022-07-07 4:44 ` [PATCH V2 10/12] octeontx2-af: Invoke exact match functions if supported Ratheesh Kannoth
2022-07-07 4:44 ` [PATCH V2 11/12] octeontx2-pf: Add support for exact match table Ratheesh Kannoth
2022-07-07 4:44 ` [PATCH V2 12/12] octeontx2-af: Enable Exact match flag in kex profile Ratheesh Kannoth
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