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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: Ratheesh Kannoth <rkannoth@marvell.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Ratheesh Kannoth 2022-07-08 10:11:44 +05:30 committed by Jakub Kicinski
parent ef83e18685
commit bab9eed564
3 changed files with 31 additions and 0 deletions
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3
drivers/net/ethernet/marvell/octeontx2/af/rvu.c
View File

@ -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)

27
drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.c
View File

@ -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.

1
drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.h
View File

@ -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 */