[dpdk-dev] [PATCH 22.02 1/2] common/cnxk: support to set channel mask for SDP interfaces

[Jerin Jacob]

On Tue, Nov 9, 2021 at 3:12 PM <psatheesh at marvell.com> wrote:
>
> From: Satheesh Paul <psatheesh at marvell.com>
>
> ROC changes to support setting channel mask for SDP interfaces.
>
> Signed-off-by: Satheesh Paul <psatheesh at marvell.com>

Series Acked-by: Jerin Jacob <jerinj at marvell.com>
Series applied to dpdk-next-net-mrvl/for-next-net. Thanks.


> ---
>  drivers/common/cnxk/roc_npc.c      | 13 +++++++++++++
>  drivers/common/cnxk/roc_npc.h      |  3 +++
>  drivers/common/cnxk/roc_npc_mcam.c | 10 ++++++++++
>  drivers/common/cnxk/roc_npc_priv.h |  3 +++
>  4 files changed, 29 insertions(+)
>
> diff --git a/drivers/common/cnxk/roc_npc.c b/drivers/common/cnxk/roc_npc.c
> index 503c74748f..d18dfd4259 100644
> --- a/drivers/common/cnxk/roc_npc.c
> +++ b/drivers/common/cnxk/roc_npc.c
> @@ -1152,6 +1152,19 @@ roc_npc_flow_create(struct roc_npc *roc_npc, const struct roc_npc_attr *attr,
>         int rc;
>
>         npc->channel = roc_npc->channel;
> +       npc->is_sdp_link = roc_nix_is_sdp(roc_npc->roc_nix);
> +       if (npc->is_sdp_link) {
> +               if (roc_npc->is_sdp_mask_set) {
> +                       npc->sdp_channel = roc_npc->sdp_channel;
> +                       npc->sdp_channel_mask = roc_npc->sdp_channel_mask;
> +               } else {
> +                       /* By default set the channel and mask to cover
> +                        * the whole SDP channel range.
> +                        */
> +                       npc->sdp_channel = (uint16_t)NIX_CHAN_SDP_CH_START;
> +                       npc->sdp_channel_mask = (uint16_t)NIX_CHAN_SDP_CH_START;
> +               }
> +       }
>
>         flow = plt_zmalloc(sizeof(*flow), 0);
>         if (flow == NULL) {
> diff --git a/drivers/common/cnxk/roc_npc.h b/drivers/common/cnxk/roc_npc.h
> index e13d557136..8c24126ae8 100644
> --- a/drivers/common/cnxk/roc_npc.h
> +++ b/drivers/common/cnxk/roc_npc.h
> @@ -195,6 +195,9 @@ struct roc_npc {
>         uint64_t rx_parse_nibble;
>         /* Parsed RSS Flowkey cfg for current flow being created */
>         uint32_t flowkey_cfg_state;
> +       bool is_sdp_mask_set;
> +       uint16_t sdp_channel;
> +       uint16_t sdp_channel_mask;
>
>  #define ROC_NPC_MEM_SZ (5 * 1024)
>         uint8_t reserved[ROC_NPC_MEM_SZ];
> diff --git a/drivers/common/cnxk/roc_npc_mcam.c b/drivers/common/cnxk/roc_npc_mcam.c
> index ba7f89b45b..80851d6f9f 100644
> --- a/drivers/common/cnxk/roc_npc_mcam.c
> +++ b/drivers/common/cnxk/roc_npc_mcam.c
> @@ -575,6 +575,16 @@ npc_mcam_alloc_and_write(struct npc *npc, struct roc_npc_flow *flow,
>                         flow->npc_action |= (uint64_t)pf_func << 4;
>                         flow->mcam_data[0] |= (uint64_t)inl_dev->channel;
>                         flow->mcam_mask[0] |= (uint64_t)inl_dev->chan_mask;
> +               } else if (npc->is_sdp_link) {
> +                       req->entry_data.kw[0] &= ~(GENMASK(11, 0));
> +                       req->entry_data.kw_mask[0] &= ~(GENMASK(11, 0));
> +                       req->entry_data.kw[0] |= (uint64_t)npc->sdp_channel;
> +                       req->entry_data.kw_mask[0] |=
> +                               (uint64_t)npc->sdp_channel_mask;
> +                       flow->mcam_data[0] &= ~(GENMASK(11, 0));
> +                       flow->mcam_mask[0] &= ~(GENMASK(11, 0));
> +                       flow->mcam_data[0] |= (uint64_t)npc->sdp_channel;
> +                       flow->mcam_mask[0] |= (uint64_t)npc->sdp_channel_mask;
>                 } else {
>                         req->entry_data.kw[0] |= (uint64_t)npc->channel;
>                         req->entry_data.kw_mask[0] |= (BIT_ULL(12) - 1);
> diff --git a/drivers/common/cnxk/roc_npc_priv.h b/drivers/common/cnxk/roc_npc_priv.h
> index 712302bc5c..86c10ea082 100644
> --- a/drivers/common/cnxk/roc_npc_priv.h
> +++ b/drivers/common/cnxk/roc_npc_priv.h
> @@ -360,6 +360,9 @@ struct npc {
>         uint32_t keyw[NPC_MAX_INTF];            /* max key + data len bits */
>         uint32_t mcam_entries;                  /* mcam entries supported */
>         uint16_t channel;                       /* RX Channel number */
> +       bool is_sdp_link;
> +       uint16_t sdp_channel;
> +       uint16_t sdp_channel_mask;
>         uint32_t rss_grps;                      /* rss groups supported */
>         uint16_t flow_prealloc_size;            /* Pre allocated mcam size */
>         uint16_t flow_max_priority;             /* Max priority for flow */
> --
> 2.25.4
>