diff options
Diffstat (limited to 'drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c')
| -rw-r--r-- | drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c | 57 |
1 files changed, 57 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 a22eeb8af4ad..23ff47f7efc5 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c @@ -310,6 +310,61 @@ void rvu_npc_install_ucast_entry(struct rvu *rvu, u16 pcifunc, NIX_INTF_RX, &entry, true); } +void rvu_npc_install_promisc_entry(struct rvu *rvu, u16 pcifunc, + int nixlf, u64 chan, bool allmulti) +{ + struct npc_mcam *mcam = &rvu->hw->mcam; + struct mcam_entry entry = { {0} }; + struct nix_rx_action action; + int blkaddr, index, kwi; + + blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_NPC, 0); + if (blkaddr < 0) + return; + + /* Only PF or AF VF can add a promiscuous entry */ + if (pcifunc & RVU_PFVF_FUNC_MASK) + return; + + index = npc_get_nixlf_mcam_index(mcam, pcifunc, + nixlf, NIXLF_PROMISC_ENTRY); + + entry.kw[0] = chan; + entry.kw_mask[0] = 0xFFFULL; + + if (allmulti) { + kwi = NPC_PARSE_RESULT_DMAC_OFFSET / sizeof(u64); + entry.kw[kwi] = BIT_ULL(40); /* LSB bit of 1st byte in DMAC */ + entry.kw_mask[kwi] = BIT_ULL(40); + } + + *(u64 *)&action = 0x00; + action.op = NIX_RX_ACTIONOP_UCAST; + action.pf_func = pcifunc; + + entry.action = *(u64 *)&action; + npc_config_mcam_entry(rvu, mcam, blkaddr, index, + NIX_INTF_RX, &entry, true); +} + +void rvu_npc_disable_promisc_entry(struct rvu *rvu, u16 pcifunc, int nixlf) +{ + struct npc_mcam *mcam = &rvu->hw->mcam; + int blkaddr, index; + + blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_NPC, 0); + if (blkaddr < 0) + return; + + /* Only PF's have a promiscuous entry */ + if (pcifunc & RVU_PFVF_FUNC_MASK) + return; + + index = npc_get_nixlf_mcam_index(mcam, pcifunc, + nixlf, NIXLF_PROMISC_ENTRY); + npc_enable_mcam_entry(rvu, mcam, blkaddr, index, false); +} + void rvu_npc_install_bcast_match_entry(struct rvu *rvu, u16 pcifunc, int nixlf, u64 chan) { @@ -431,6 +486,8 @@ void rvu_npc_disable_mcam_entries(struct rvu *rvu, u16 pcifunc, int nixlf) NPC_AF_MCAMEX_BANKX_ACTION(index, bank)); if (action.op != NIX_RX_ACTIONOP_MCAST) npc_enable_mcam_entry(rvu, mcam, blkaddr, index, false); + + rvu_npc_disable_promisc_entry(rvu, pcifunc, nixlf); } } |