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| author | Kiran Kumar | 2018-11-19 11:47:25 +0100 |
|---|---|---|
| committer | David S. Miller | 2018-11-20 02:56:07 +0100 |
| commit | 34425e8c7589b87fea3659c35d8a217110fcbd4b (patch) | |
| tree | 1e691dbd8b68bb37d86ebd9def6c4a946d3ebe70 /drivers/net/ethernet/marvell | |
| parent | octeontx2-af: Support to modify min/max allowed packet lengths (diff) | |
| download | kernel-qcow2-linux-34425e8c7589b87fea3659c35d8a217110fcbd4b.tar.gz kernel-qcow2-linux-34425e8c7589b87fea3659c35d8a217110fcbd4b.tar.xz kernel-qcow2-linux-34425e8c7589b87fea3659c35d8a217110fcbd4b.zip | |
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: Kiran Kumar <kirankumark@marvell.com>
Signed-off-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/marvell')
| -rw-r--r-- | drivers/net/ethernet/marvell/octeontx2/af/mbox.h | 4 | ||||
| -rw-r--r-- | drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c | 8 |
2 files changed, 12 insertions, 0 deletions
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/mbox.h b/drivers/net/ethernet/marvell/octeontx2/af/mbox.h index 1e362d458768..7a229a54b9a3 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/mbox.h +++ b/drivers/net/ethernet/marvell/octeontx2/af/mbox.h @@ -398,6 +398,10 @@ struct nix_lf_alloc_rsp { u8 lso_tsov4_idx; u8 lso_tsov6_idx; 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 */ diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c index e010fe798209..c779a0a2166d 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c @@ -829,6 +829,14 @@ exit: rsp->tx_chan_cnt = pfvf->tx_chan_cnt; rsp->lso_tsov4_idx = NIX_LSO_FORMAT_IDX_TSOV4; 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; } |