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octeontx2-af: Enable RSS with promiscuous mode

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

Signed-off-by: Vamsi Attunuru <vamsi.attunuru@marvell.com>
Signed-off-by: Jerin Jacob <jerinj@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vamsi Attunuru 2018-12-02 18:17:44 +05:30 committed by David S. Miller
parent 7c91a92efc
commit f9f2da46c0
1 changed files with 31 additions and 4 deletions
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35
drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c
View File

@ -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);
}
*(u64 *)&action = 0x00;
action.op = NIX_RX_ACTIONOP_UCAST;
action.pf_func = pcifunc;
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);
}