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charset="utf-8" To support Multi Vports on Bare metal, increase the device config response version. And, skip the register HW vport, and register filter steps, when the Bare metal hostmode is set. Signed-off-by: Haiyang Zhang --- v2: Updated comments as suggested by ALOK TIWARI. Fixed the version check. --- drivers/net/ethernet/microsoft/mana/mana_en.c | 24 ++++++++++++------- include/net/mana/mana.h | 4 +++- 2 files changed, 19 insertions(+), 9 deletions(-) diff --git a/drivers/net/ethernet/microsoft/mana/mana_en.c b/drivers/net/et= hernet/microsoft/mana/mana_en.c index 2bac6be8f6a0..9c58d9e0bbb5 100644 --- a/drivers/net/ethernet/microsoft/mana/mana_en.c +++ b/drivers/net/ethernet/microsoft/mana/mana_en.c @@ -921,7 +921,7 @@ static void mana_pf_deregister_filter(struct mana_port_= context *apc) =20 static int mana_query_device_cfg(struct mana_context *ac, u32 proto_major_= ver, u32 proto_minor_ver, u32 proto_micro_ver, - u16 *max_num_vports) + u16 *max_num_vports, u8 *bm_hostmode) { struct gdma_context *gc =3D ac->gdma_dev->gdma_context; struct mana_query_device_cfg_resp resp =3D {}; @@ -932,7 +932,7 @@ static int mana_query_device_cfg(struct mana_context *a= c, u32 proto_major_ver, mana_gd_init_req_hdr(&req.hdr, MANA_QUERY_DEV_CONFIG, sizeof(req), sizeof(resp)); =20 - req.hdr.resp.msg_version =3D GDMA_MESSAGE_V2; + req.hdr.resp.msg_version =3D GDMA_MESSAGE_V3; =20 req.proto_major_ver =3D proto_major_ver; req.proto_minor_ver =3D proto_minor_ver; @@ -956,11 +956,16 @@ static int mana_query_device_cfg(struct mana_context = *ac, u32 proto_major_ver, =20 *max_num_vports =3D resp.max_num_vports; =20 - if (resp.hdr.response.msg_version =3D=3D GDMA_MESSAGE_V2) + if (resp.hdr.response.msg_version >=3D GDMA_MESSAGE_V2) gc->adapter_mtu =3D resp.adapter_mtu; else gc->adapter_mtu =3D ETH_FRAME_LEN; =20 + if (resp.hdr.response.msg_version >=3D GDMA_MESSAGE_V3) + *bm_hostmode =3D resp.bm_hostmode; + else + *bm_hostmode =3D 0; + debugfs_create_u16("adapter-MTU", 0400, gc->mana_pci_debugfs, &gc->adapte= r_mtu); =20 return 0; @@ -2441,7 +2446,7 @@ static void mana_destroy_vport(struct mana_port_conte= xt *apc) mana_destroy_txq(apc); mana_uncfg_vport(apc); =20 - if (gd->gdma_context->is_pf) + if (gd->gdma_context->is_pf && !apc->ac->bm_hostmode) mana_pf_deregister_hw_vport(apc); } =20 @@ -2453,7 +2458,7 @@ static int mana_create_vport(struct mana_port_context= *apc, =20 apc->default_rxobj =3D INVALID_MANA_HANDLE; =20 - if (gd->gdma_context->is_pf) { + if (gd->gdma_context->is_pf && !apc->ac->bm_hostmode) { err =3D mana_pf_register_hw_vport(apc); if (err) return err; @@ -2689,7 +2694,7 @@ int mana_alloc_queues(struct net_device *ndev) goto destroy_vport; } =20 - if (gd->gdma_context->is_pf) { + if (gd->gdma_context->is_pf && !apc->ac->bm_hostmode) { err =3D mana_pf_register_filter(apc); if (err) goto destroy_vport; @@ -2751,7 +2756,7 @@ static int mana_dealloc_queues(struct net_device *nde= v) =20 mana_chn_setxdp(apc, NULL); =20 - if (gd->gdma_context->is_pf) + if (gd->gdma_context->is_pf && !apc->ac->bm_hostmode) mana_pf_deregister_filter(apc); =20 /* No packet can be transmitted now since apc->port_is_up is false. @@ -2998,6 +3003,7 @@ int mana_probe(struct gdma_dev *gd, bool resuming) struct gdma_context *gc =3D gd->gdma_context; struct mana_context *ac =3D gd->driver_data; struct device *dev =3D gc->dev; + u8 bm_hostmode =3D 0; u16 num_ports =3D 0; int err; int i; @@ -3026,10 +3032,12 @@ int mana_probe(struct gdma_dev *gd, bool resuming) } =20 err =3D mana_query_device_cfg(ac, MANA_MAJOR_VERSION, MANA_MINOR_VERSION, - MANA_MICRO_VERSION, &num_ports); + MANA_MICRO_VERSION, &num_ports, &bm_hostmode); if (err) goto out; =20 + ac->bm_hostmode =3D bm_hostmode; + if (!resuming) { ac->num_ports =3D num_ports; } else { diff --git a/include/net/mana/mana.h b/include/net/mana/mana.h index 0f78065de8fe..38238c1d00bf 100644 --- a/include/net/mana/mana.h +++ b/include/net/mana/mana.h @@ -408,6 +408,7 @@ struct mana_context { struct gdma_dev *gdma_dev; =20 u16 num_ports; + u8 bm_hostmode; =20 struct mana_eq *eqs; struct dentry *mana_eqs_debugfs; @@ -557,7 +558,8 @@ struct mana_query_device_cfg_resp { u64 pf_cap_flags4; =20 u16 max_num_vports; - u16 reserved; + u8 bm_hostmode; /* response v3: Bare Metal Host Mode */ + u8 reserved; u32 max_num_eqs; =20 /* response v2: */ --=20 2.34.1