[net-next,v6,2/4] octeon_ep: PF-VF mailbox version support
Commit Message
Add PF-VF mailbox initial version support
Signed-off-by: Shinas Rasheed <srasheed@marvell.com>
---
V6:
- No changes
V5: https://lore.kernel.org/all/20231214164536.2670006-3-srasheed@marvell.com/
- Refactored patch to leave out changes moved to first patch itself
V4: https://lore.kernel.org/all/20231213035816.2656851-3-srasheed@marvell.com/
- No changes
V3: https://lore.kernel.org/all/20231211063355.2630028-3-srasheed@marvell.com/
- No changes
V2: https://lore.kernel.org/all/20231209081450.2613561-3-srasheed@marvell.com/
- No changes
V1: https://lore.kernel.org/all/20231208070352.2606192-3-srasheed@marvell.com/
.../net/ethernet/marvell/octeon_ep/octep_main.h | 1 +
.../ethernet/marvell/octeon_ep/octep_pfvf_mbox.c | 15 ++++++++++++---
.../ethernet/marvell/octeon_ep/octep_pfvf_mbox.h | 4 ++++
3 files changed, 17 insertions(+), 3 deletions(-)
Comments
On Fri, Dec 15, 2023 at 10:14:23AM -0800, Shinas Rasheed wrote:
> Add PF-VF mailbox initial version support
>
> Signed-off-by: Shinas Rasheed <srasheed@marvell.com>
Reviewed-by: Simon Horman <horms@kernel.org>
@@ -220,6 +220,7 @@ struct octep_iface_link_info {
/* The Octeon VF device specific info data structure.*/
struct octep_pfvf_info {
u8 mac_addr[ETH_ALEN];
+ u32 mbox_version;
};
/* The Octeon device specific private data structure.
@@ -27,10 +27,18 @@ static void octep_pfvf_validate_version(struct octep_device *oct, u32 vf_id,
{
u32 vf_version = (u32)cmd.s_version.version;
- if (vf_version <= OCTEP_PFVF_MBOX_VERSION_V1)
- rsp->s_version.type = OCTEP_PFVF_MBOX_TYPE_RSP_ACK;
+ dev_dbg(&oct->pdev->dev, "VF id:%d VF version:%d PF version:%d\n",
+ vf_id, vf_version, OCTEP_PFVF_MBOX_VERSION_CURRENT);
+ if (vf_version < OCTEP_PFVF_MBOX_VERSION_CURRENT)
+ rsp->s_version.version = vf_version;
else
- rsp->s_version.type = OCTEP_PFVF_MBOX_TYPE_RSP_NACK;
+ rsp->s_version.version = OCTEP_PFVF_MBOX_VERSION_CURRENT;
+
+ oct->vf_info[vf_id].mbox_version = rsp->s_version.version;
+ dev_dbg(&oct->pdev->dev, "VF id:%d negotiated VF version:%d\n",
+ vf_id, oct->vf_info[vf_id].mbox_version);
+
+ rsp->s_version.type = OCTEP_PFVF_MBOX_TYPE_RSP_ACK;
}
static void octep_pfvf_get_link_status(struct octep_device *oct, u32 vf_id,
@@ -166,6 +174,7 @@ int octep_setup_pfvf_mbox(struct octep_device *oct)
goto free_mbox;
memset(oct->mbox[ring], 0, sizeof(struct octep_mbox));
+ memset(&oct->vf_info[i], 0, sizeof(struct octep_pfvf_info));
mutex_init(&oct->mbox[ring]->lock);
INIT_WORK(&oct->mbox[ring]->wk.work, octep_pfvf_mbox_work);
oct->mbox[ring]->wk.ctxptr = oct->mbox[ring];
@@ -13,11 +13,15 @@
#define OCTEON_SDP_16K_HW_FRS 16380UL
#define OCTEON_SDP_64K_HW_FRS 65531UL
+/* When a new command is implemented,PF Mbox version should be bumped.
+ */
enum octep_pfvf_mbox_version {
OCTEP_PFVF_MBOX_VERSION_V0,
OCTEP_PFVF_MBOX_VERSION_V1,
};
+#define OCTEP_PFVF_MBOX_VERSION_CURRENT OCTEP_PFVF_MBOX_VERSION_V1
+
enum octep_pfvf_mbox_opcode {
OCTEP_PFVF_MBOX_CMD_VERSION,
OCTEP_PFVF_MBOX_CMD_SET_MTU,