Commit 34425e8c authored by Kiran Kumar's avatar Kiran Kumar Committed by David S. Miller

octeontx2-af: Support to get NIX HW constants from AF

This patch adds reading HW limits like number of Rx/Tx stats,
number of queue IRQs supported per NIX LF from AF registers
and sync them to PF/VF.
Signed-off-by: default avatarKiran Kumar <kirankumark@marvell.com>
Signed-off-by: default avatarSunil Goutham <sgoutham@marvell.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 9b7dd87a
...@@ -398,6 +398,10 @@ struct nix_lf_alloc_rsp { ...@@ -398,6 +398,10 @@ struct nix_lf_alloc_rsp {
u8 lso_tsov4_idx; u8 lso_tsov4_idx;
u8 lso_tsov6_idx; u8 lso_tsov6_idx;
u8 mac_addr[ETH_ALEN]; u8 mac_addr[ETH_ALEN];
u8 lf_rx_stats; /* NIX_AF_CONST1::LF_RX_STATS */
u8 lf_tx_stats; /* NIX_AF_CONST1::LF_TX_STATS */
u16 cints; /* NIX_AF_CONST2::CINTS */
u16 qints; /* NIX_AF_CONST2::QINTS */
}; };
/* NIX AQ enqueue msg */ /* NIX AQ enqueue msg */
......
...@@ -829,6 +829,14 @@ int rvu_mbox_handler_nix_lf_alloc(struct rvu *rvu, ...@@ -829,6 +829,14 @@ int rvu_mbox_handler_nix_lf_alloc(struct rvu *rvu,
rsp->tx_chan_cnt = pfvf->tx_chan_cnt; rsp->tx_chan_cnt = pfvf->tx_chan_cnt;
rsp->lso_tsov4_idx = NIX_LSO_FORMAT_IDX_TSOV4; rsp->lso_tsov4_idx = NIX_LSO_FORMAT_IDX_TSOV4;
rsp->lso_tsov6_idx = NIX_LSO_FORMAT_IDX_TSOV6; rsp->lso_tsov6_idx = NIX_LSO_FORMAT_IDX_TSOV6;
/* Get HW supported stat count */
cfg = rvu_read64(rvu, blkaddr, NIX_AF_CONST1);
rsp->lf_rx_stats = ((cfg >> 32) & 0xFF);
rsp->lf_tx_stats = ((cfg >> 24) & 0xFF);
/* Get count of CQ IRQs and error IRQs supported per LF */
cfg = rvu_read64(rvu, blkaddr, NIX_AF_CONST2);
rsp->qints = ((cfg >> 12) & 0xFFF);
rsp->cints = ((cfg >> 24) & 0xFFF);
return rc; return rc;
} }
......
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