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authorHaiyang Zhang <haiyangz@microsoft.com>2025-05-19 09:20:36 -0700
committerPaolo Abeni <pabeni@redhat.com>2025-05-28 08:30:46 +0200
commit290e5d3c49f687c1567bde634dc33d57b0674919 (patch)
tree8251cf4dde0e55f8bf0299b737602cb18d0dbabc /drivers/net/ethernet/microsoft/mana/mana_en.c
parent163786f71a12237841b998db39e48fa574f861fd (diff)
net: mana: Add support for Multi Vports on Bare metal
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 <haiyangz@microsoft.com> Link: https://patch.msgid.link/1747671636-5810-1-git-send-email-haiyangz@microsoft.com Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'drivers/net/ethernet/microsoft/mana/mana_en.c')
-rw-r--r--drivers/net/ethernet/microsoft/mana/mana_en.c24
1 files changed, 16 insertions, 8 deletions
diff --git a/drivers/net/ethernet/microsoft/mana/mana_en.c b/drivers/net/ethernet/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)
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 = ac->gdma_dev->gdma_context;
struct mana_query_device_cfg_resp resp = {};
@@ -932,7 +932,7 @@ static int mana_query_device_cfg(struct mana_context *ac, u32 proto_major_ver,
mana_gd_init_req_hdr(&req.hdr, MANA_QUERY_DEV_CONFIG,
sizeof(req), sizeof(resp));
- req.hdr.resp.msg_version = GDMA_MESSAGE_V2;
+ req.hdr.resp.msg_version = GDMA_MESSAGE_V3;
req.proto_major_ver = proto_major_ver;
req.proto_minor_ver = proto_minor_ver;
@@ -956,11 +956,16 @@ static int mana_query_device_cfg(struct mana_context *ac, u32 proto_major_ver,
*max_num_vports = resp.max_num_vports;
- if (resp.hdr.response.msg_version == GDMA_MESSAGE_V2)
+ if (resp.hdr.response.msg_version >= GDMA_MESSAGE_V2)
gc->adapter_mtu = resp.adapter_mtu;
else
gc->adapter_mtu = ETH_FRAME_LEN;
+ if (resp.hdr.response.msg_version >= GDMA_MESSAGE_V3)
+ *bm_hostmode = resp.bm_hostmode;
+ else
+ *bm_hostmode = 0;
+
debugfs_create_u16("adapter-MTU", 0400, gc->mana_pci_debugfs, &gc->adapter_mtu);
return 0;
@@ -2441,7 +2446,7 @@ static void mana_destroy_vport(struct mana_port_context *apc)
mana_destroy_txq(apc);
mana_uncfg_vport(apc);
- if (gd->gdma_context->is_pf)
+ if (gd->gdma_context->is_pf && !apc->ac->bm_hostmode)
mana_pf_deregister_hw_vport(apc);
}
@@ -2453,7 +2458,7 @@ static int mana_create_vport(struct mana_port_context *apc,
apc->default_rxobj = INVALID_MANA_HANDLE;
- if (gd->gdma_context->is_pf) {
+ if (gd->gdma_context->is_pf && !apc->ac->bm_hostmode) {
err = 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;
}
- if (gd->gdma_context->is_pf) {
+ if (gd->gdma_context->is_pf && !apc->ac->bm_hostmode) {
err = mana_pf_register_filter(apc);
if (err)
goto destroy_vport;
@@ -2751,7 +2756,7 @@ static int mana_dealloc_queues(struct net_device *ndev)
mana_chn_setxdp(apc, NULL);
- if (gd->gdma_context->is_pf)
+ if (gd->gdma_context->is_pf && !apc->ac->bm_hostmode)
mana_pf_deregister_filter(apc);
/* 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 = gd->gdma_context;
struct mana_context *ac = gd->driver_data;
struct device *dev = gc->dev;
+ u8 bm_hostmode = 0;
u16 num_ports = 0;
int err;
int i;
@@ -3026,10 +3032,12 @@ int mana_probe(struct gdma_dev *gd, bool resuming)
}
err = 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;
+ ac->bm_hostmode = bm_hostmode;
+
if (!resuming) {
ac->num_ports = num_ports;
} else {