Commit bab9eed5 authored by Ratheesh Kannoth's avatar Ratheesh Kannoth Committed by Jakub Kicinski
Browse files

octeontx2-af: FLR handler for exact match table. 



FLR handler should remove/free all exact match table resources
corresponding to each interface.

Signed-off-by: default avatarRatheesh Kannoth <rkannoth@marvell.com>
Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent ef83e186

drivers/net/ethernet/marvell/octeontx2/af/rvu.c

+3 −0
Original line number Diff line number Diff line
@@ -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)

drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.c

+27 −0
Original line number Diff line number Diff line
@@ -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.

drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.h

+1 −0
Original line number Diff line number Diff line
@@ -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 */