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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>
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3 changed files with 31 additions and 0 deletions
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@ -2555,6 +2555,9 @@ static void rvu_blklf_teardown(struct rvu *rvu, u16 pcifunc, u8 blkaddr)
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static void __rvu_flr_handler(struct rvu *rvu, u16 pcifunc)
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static void __rvu_flr_handler(struct rvu *rvu, u16 pcifunc)
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{
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{
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if (rvu_npc_exact_has_match_table(rvu))
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rvu_npc_exact_reset(rvu, pcifunc);
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mutex_lock(&rvu->flr_lock);
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mutex_lock(&rvu->flr_lock);
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/* Reset order should reflect inter-block dependencies:
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/* Reset order should reflect inter-block dependencies:
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* 1. Reset any packet/work sources (NIX, CPT, TIM)
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* 1. Reset any packet/work sources (NIX, CPT, TIM)
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@ -1183,6 +1183,33 @@ void rvu_npc_exact_disable_feature(struct rvu *rvu)
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rvu->hw->cap.npc_exact_match_enabled = false;
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rvu->hw->cap.npc_exact_match_enabled = false;
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}
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}
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/**
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* rvu_npc_exact_reset - Delete and free all entry which match pcifunc.
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* @rvu: resource virtualization unit.
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* @pcifunc: PCI func to match.
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*/
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void rvu_npc_exact_reset(struct rvu *rvu, u16 pcifunc)
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{
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struct npc_exact_table *table = rvu->hw->table;
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struct npc_exact_table_entry *tmp, *iter;
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u32 seq_id;
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mutex_lock(&table->lock);
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list_for_each_entry_safe(iter, tmp, &table->lhead_gbl, glist) {
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if (pcifunc != iter->pcifunc)
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continue;
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seq_id = iter->seq_id;
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dev_dbg(rvu->dev, "%s: resetting pcifun=%d seq_id=%u\n", __func__,
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pcifunc, seq_id);
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mutex_unlock(&table->lock);
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rvu_npc_exact_del_table_entry_by_id(rvu, seq_id);
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mutex_lock(&table->lock);
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}
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mutex_unlock(&table->lock);
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}
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/**
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/**
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* rvu_npc_exact_init - initialize exact match table
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* rvu_npc_exact_init - initialize exact match table
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* @rvu: resource virtualization unit.
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* @rvu: resource virtualization unit.
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@ -187,5 +187,6 @@ int rvu_npc_exact_init(struct rvu *rvu);
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bool rvu_npc_exact_can_disable_feature(struct rvu *rvu);
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bool rvu_npc_exact_can_disable_feature(struct rvu *rvu);
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void rvu_npc_exact_disable_feature(struct rvu *rvu);
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void rvu_npc_exact_disable_feature(struct rvu *rvu);
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void rvu_npc_exact_reset(struct rvu *rvu, u16 pcifunc);
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#endif /* RVU_NPC_HASH_H */
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#endif /* RVU_NPC_HASH_H */
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