Commit f9f2da46 authored by Vamsi Attunuru's avatar Vamsi Attunuru Committed by David S. Miller
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octeontx2-af: Enable RSS with promiscuous mode



This patch adds support for enabling RSS in promiscuous mode
if RSS is already requested by the AF client.

Signed-off-by: default avatarVamsi Attunuru <vamsi.attunuru@marvell.com>
Signed-off-by: default avatarJerin Jacob <jerinj@marvell.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 7c91a92e
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+31 −4
Original line number Diff line number Diff line
@@ -368,9 +368,9 @@ void rvu_npc_install_promisc_entry(struct rvu *rvu, u16 pcifunc,
				   int nixlf, u64 chan, bool allmulti)
{
	struct npc_mcam *mcam = &rvu->hw->mcam;
	int blkaddr, ucast_idx, index, kwi;
	struct mcam_entry entry = { {0} };
	struct nix_rx_action action = { };
	int blkaddr, index, kwi;

	/* Only PF or AF VF can add a promiscuous entry */
	if ((pcifunc & RVU_PFVF_FUNC_MASK) && !is_afvf(pcifunc))
@@ -392,9 +392,21 @@ void rvu_npc_install_promisc_entry(struct rvu *rvu, u16 pcifunc,
		entry.kw_mask[kwi] = BIT_ULL(40);
	}

	ucast_idx = npc_get_nixlf_mcam_index(mcam, pcifunc,
					     nixlf, NIXLF_UCAST_ENTRY);

	/* If the corresponding PF's ucast action is RSS,
	 * use the same action for promisc also
	 */
	if (is_mcam_entry_enabled(rvu, mcam, blkaddr, ucast_idx))
		*(u64 *)&action = npc_get_mcam_action(rvu, mcam,
							blkaddr, ucast_idx);

	if (action.op != NIX_RX_ACTIONOP_RSS) {
		*(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,
@@ -539,6 +551,21 @@ void rvu_npc_update_flowkey_alg_idx(struct rvu *rvu, u16 pcifunc, int nixlf,
	rvu_write64(rvu, blkaddr,
		    NPC_AF_MCAMEX_BANKX_ACTION(index, bank), *(u64 *)&action);

	index = npc_get_nixlf_mcam_index(mcam, pcifunc,
					 nixlf, NIXLF_PROMISC_ENTRY);

	/* If PF's promiscuous entry is enabled,
	 * Set RSS action for that entry as well
	 */
	if (is_mcam_entry_enabled(rvu, mcam, blkaddr, index)) {
		bank = npc_get_bank(mcam, index);
		index &= (mcam->banksize - 1);

		rvu_write64(rvu, blkaddr,
			    NPC_AF_MCAMEX_BANKX_ACTION(index, bank),
			    *(u64 *)&action);
	}

	rvu_npc_update_rxvlan(rvu, pcifunc, nixlf);
}