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

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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>
This commit is contained in:
Kiran Kumar 2018-11-19 16:17:25 +05:30 committed by David S. Miller
parent 9b7dd87ac0
commit 34425e8c75
2 changed files with 12 additions and 0 deletions
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4
drivers/net/ethernet/marvell/octeontx2/af/mbox.h
View File

@ -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 */

8
drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
View File

@ -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;
}