lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Mon, 19 Nov 2018 16:17:25 +0530 From: sunil.kovvuri@...il.com To: netdev@...r.kernel.org, davem@...emloft.net Cc: arnd@...db.de, linux-soc@...r.kernel.org, Kiran Kumar <kirankumark@...vell.com>, Sunil Goutham <sgoutham@...vell.com> Subject: [PATCH v3 03/21] octeontx2-af: Support to get NIX HW constants from AF From: Kiran Kumar <kirankumark@...vell.com> 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@...vell.com> Signed-off-by: Sunil Goutham <sgoutham@...vell.com> --- drivers/net/ethernet/marvell/octeontx2/af/mbox.h | 4 ++++ drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c | 8 ++++++++ 2 files changed, 12 insertions(+) diff --git a/drivers/net/ethernet/marvell/octeontx2/af/mbox.h b/drivers/net/ethernet/marvell/octeontx2/af/mbox.h index 1e362d45..7a229a5 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 e010fe7..c779a0a 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 @@ int rvu_mbox_handler_nix_lf_alloc(struct rvu *rvu, 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; } -- 2.7.4
Powered by blists - more mailing lists