On 17-05-2025 01:21, Haiyang Zhang wrote:
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 <haiya...@microsoft.com>
---
  drivers/net/ethernet/microsoft/mana/mana_en.c | 22 +++++++++++++------
  include/net/mana/mana.h                       |  4 +++-
  2 files changed, 18 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..0273696d254b 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)
[snip]
+       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 {
diff --git a/include/net/mana/mana.h b/include/net/mana/mana.h
index 0f78065de8fe..b352d2a7118e 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;
u16 num_ports;
+       u8 bm_hostmode; /* Bare Metal Host Mode Enabled */

what about maintaining natural alignment, +u8 reserved0 ?

/* +response v3: Bare Metal Host Mode Enabled */ for consistency.
Even though this comment is optional here.
struct mana_eq *eqs;
        struct dentry *mana_eqs_debugfs;
@@ -557,7 +558,8 @@ struct mana_query_device_cfg_resp {
        u64 pf_cap_flags4;
u16 max_num_vports;
-       u16 reserved;
+       u8 bm_hostmode; /* response v3: Bare Metal Host Mode Enabled */
+       u8 reserved;
        u32 max_num_eqs;
/* response v2: */


Thanks,
Alok

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