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authorSubbaraya Sundeep <sbhatta@marvell.com>2020-10-29 08:15:47 +0300
committerJakub Kicinski <kuba@kernel.org>2020-11-01 00:16:47 +0300
commit8bcf5ced6526e1c4c8a2703f9ca9135fef7409d6 (patch)
treecb4d480170aaacc4f919b0a1a17c2a583e12457e /drivers/net/ethernet
parenta84cdcea3b4feb46730c88454b5f85e828429c2b (diff)
downloadlinux-8bcf5ced6526e1c4c8a2703f9ca9135fef7409d6.tar.xz
octeontx2-pf: Calculate LBK link instead of hardcoding
CGX links are followed by LBK links but number of CGX and LBK links varies between platforms. Hence get the number of links present in hardware from AF and use it to calculate LBK link number. Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com> Signed-off-by: Sunil Goutham <sgoutham@marvell.com> Signed-off-by: Rakesh Babu <rsaladi2@marvell.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/ethernet')
-rw-r--r--drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c8
-rw-r--r--drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h2
2 files changed, 8 insertions, 2 deletions
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
index d2581090f9a4..fc765e86988e 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
@@ -531,8 +531,10 @@ static int otx2_get_link(struct otx2_nic *pfvf)
link = 4 * ((map >> 8) & 0xF) + ((map >> 4) & 0xF);
}
/* LBK channel */
- if (pfvf->hw.tx_chan_base < SDP_CHAN_BASE)
- link = 12;
+ if (pfvf->hw.tx_chan_base < SDP_CHAN_BASE) {
+ map = pfvf->hw.tx_chan_base & 0x7FF;
+ link = pfvf->hw.cgx_links | ((map >> 8) & 0xF);
+ }
return link;
}
@@ -1503,6 +1505,8 @@ void mbox_handler_nix_lf_alloc(struct otx2_nic *pfvf,
pfvf->hw.tx_chan_base = rsp->tx_chan_base;
pfvf->hw.lso_tsov4_idx = rsp->lso_tsov4_idx;
pfvf->hw.lso_tsov6_idx = rsp->lso_tsov6_idx;
+ pfvf->hw.cgx_links = rsp->cgx_links;
+ pfvf->hw.lbk_links = rsp->lbk_links;
}
EXPORT_SYMBOL(mbox_handler_nix_lf_alloc);
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h
index d6253f2a414d..386cb08497e4 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h
@@ -197,6 +197,8 @@ struct otx2_hw {
struct otx2_drv_stats drv_stats;
u64 cgx_rx_stats[CGX_RX_STATS_COUNT];
u64 cgx_tx_stats[CGX_TX_STATS_COUNT];
+ u8 cgx_links; /* No. of CGX links present in HW */
+ u8 lbk_links; /* No. of LBK links present in HW */
};
struct otx2_vf_config {