[net-next v2] octeontx2-af: cn10k: Fixes CN10K RPM reference issue
From: Geetha sowjanya <gakula@marvell.com>
Date: 2021-02-16 11:48:14
Also in:
lkml
Subsystem:
marvell octeontx2 physical function driver, marvell octeontx2 rvu admin function driver, networking drivers, the rest · Maintainers:
Sunil Goutham, Geetha sowjanya, Ratheesh Kannoth, Subbaraya Sundeep, Bharat Bhushan, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
This patch fixes references to uninitialized variables and
debugfs entry name for CN10K platform and HW_TSO flag check.
Fixes: 3ad3f8f93c81 ("octeontx2-af: cn10k: MAC internal loopback support").
Signed-off-by: Geetha sowjanya <gakula@marvell.com>
Signed-off-by: Sunil Goutham <sgoutham@marvell.com>
v1-v2
- Clear HW_TSO flag for 96xx B0 version.
This patch fixes the bug introduced by the commit
3ad3f8f93c81 ("octeontx2-af: cn10k: MAC internal loopback support").
These changes are not yet merged into net branch, hence submitting
to net-next.
---
drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c | 2 ++
.../net/ethernet/marvell/octeontx2/af/rvu_debugfs.c | 2 +-
.../net/ethernet/marvell/octeontx2/nic/otx2_common.h | 3 +++
.../net/ethernet/marvell/octeontx2/nic/otx2_txrx.c | 11 ++++++-----
4 files changed, 12 insertions(+), 6 deletions(-)
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c
index 3a1809c28e83..e668e482383a 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c@@ -722,12 +722,14 @@ u32 rvu_cgx_get_fifolen(struct rvu *rvu) static int rvu_cgx_config_intlbk(struct rvu *rvu, u16 pcifunc, bool en) { + int pf = rvu_get_pf(pcifunc); struct mac_ops *mac_ops; u8 cgx_id, lmac_id; if (!is_cgx_config_permitted(rvu, pcifunc)) return -EPERM; + rvu_get_cgx_lmac_id(rvu->pf2cgxlmac_map[pf], &cgx_id, &lmac_id); mac_ops = get_mac_ops(rvu_cgx_pdata(cgx_id, rvu)); return mac_ops->mac_lmac_intl_lbk(rvu_cgx_pdata(cgx_id, rvu),
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c
index 48a84c65804c..094124b695dc 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c@@ -2432,7 +2432,7 @@ void rvu_dbg_init(struct rvu *rvu) debugfs_create_file("rvu_pf_cgx_map", 0444, rvu->rvu_dbg.root, rvu, &rvu_dbg_rvu_pf_cgx_map_fops); else - debugfs_create_file("rvu_pf_cgx_map", 0444, rvu->rvu_dbg.root, + debugfs_create_file("rvu_pf_rpm_map", 0444, rvu->rvu_dbg.root, rvu, &rvu_dbg_rvu_pf_cgx_map_fops); create:
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h
index 4c472646a0ac..f14d388efb51 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h@@ -407,6 +407,9 @@ static inline void otx2_setup_dev_hw_settings(struct otx2_nic *pfvf) pfvf->hw.rq_skid = 600; pfvf->qset.rqe_cnt = Q_COUNT(Q_SIZE_1K); } + if (is_96xx_B0(pfvf->pdev)) + __clear_bit(HW_TSO, &hw->cap_flag); + if (!is_dev_otx2(pfvf->pdev)) { __set_bit(CN10K_MBOX, &hw->cap_flag); __set_bit(CN10K_LMTST, &hw->cap_flag);
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c
index 3f778fc054b5..22ec03a618b1 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c@@ -816,22 +816,23 @@ static bool is_hw_tso_supported(struct otx2_nic *pfvf, { int payload_len, last_seg_size; + if (test_bit(HW_TSO, &pfvf->hw.cap_flag)) + return true; + + /* On 96xx A0, HW TSO not supported */ + if (!is_96xx_B0(pfvf->pdev)) + return false; /* HW has an issue due to which when the payload of the last LSO * segment is shorter than 16 bytes, some header fields may not * be correctly modified, hence don't offload such TSO segments. */ - if (!is_96xx_B0(pfvf->pdev)) - return true; payload_len = skb->len - (skb_transport_offset(skb) + tcp_hdrlen(skb)); last_seg_size = payload_len % skb_shinfo(skb)->gso_size; if (last_seg_size && last_seg_size < 16) return false; - if (!test_bit(HW_TSO, &pfvf->hw.cap_flag)) - return false; - return true; }
--
2.17.1