Commit 786621d2 authored by Geetha sowjanya's avatar Geetha sowjanya Committed by David S. Miller

octeontx2-af: cn10k: Fixes CN10K RPM reference issue

This patch fixes references to uninitialized variables and
debugfs entry name for CN10K platform and HW_TSO flag check.

Fixes: 3ad3f8f9 ("octeontx2-af: cn10k: MAC internal loopback support").
Signed-off-by: default avatarGeetha sowjanya <gakula@marvell.com>
Signed-off-by: default avatarSunil Goutham <sgoutham@marvell.com>

v1-v2
- Clear HW_TSO flag for 96xx B0 version.

This patch fixes the bug introduced by the commit
3ad3f8f9 ("octeontx2-af: cn10k: MAC internal loopback support").
These changes are not yet merged into net branch, hence submitting
to net-next.
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 6b73b7c9
......@@ -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),
......
......@@ -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:
......
......@@ -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);
......
......@@ -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;
}
......
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