diff options
Diffstat (limited to 'drivers/net/ethernet/marvell/octeontx2/af')
| -rw-r--r-- | drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c index 52b255426c22..20a562c2cdfb 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c @@ -2414,6 +2414,17 @@ static int npc_mcam_alloc_entries(struct npc_mcam *mcam, u16 pcifunc, goto alloc; } + /* For a VF base MCAM match rule is set by its PF. And all the + * further MCAM rules installed by VF on its own are + * concatenated with the base rule set by its PF. Hence PF entries + * should be at lower priority compared to VF entries. Otherwise + * base rule is hit always and rules installed by VF will be of + * no use. Hence if the request is from PF and NOT a priority + * allocation request then allocate low priority entries. + */ + if (!(pcifunc & RVU_PFVF_FUNC_MASK)) + goto lprio_alloc; + /* Find out the search range for non-priority allocation request * * Get MCAM free entry count in middle zone. @@ -2439,6 +2450,7 @@ static int npc_mcam_alloc_entries(struct npc_mcam *mcam, u16 pcifunc, /* Not enough free entries, search all entries in reverse, * so that low priority ones will get used up. */ +lprio_alloc: reverse = true; start = 0; end = mcam->bmap_entries; |