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octeon_ep: control net framework to support VF offloads

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Inquire firmware on supported offloads, as well as convey offloads
enabled dynamically to firmware for the VFs. Implement control net API
to support the same.

Signed-off-by: Shinas Rasheed <srasheed@marvell.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Shinas Rasheed 2023-12-15 10:14:24 -08:00 committed by Paolo Abeni
parent c130e589d5
commit e28db8cbeb
2 changed files with 67 additions and 1 deletions
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47
drivers/net/ethernet/marvell/octeon_ep/octep_pfvf_mbox.c
View file

@ -158,6 +158,47 @@ static void octep_pfvf_dev_remove(struct octep_device *oct, u32 vf_id,
rsp->s.type = OCTEP_PFVF_MBOX_TYPE_RSP_ACK;
}
static void octep_pfvf_get_fw_info(struct octep_device *oct, u32 vf_id,
union octep_pfvf_mbox_word cmd,
union octep_pfvf_mbox_word *rsp)
{
struct octep_fw_info fw_info;
int err;
err = octep_ctrl_net_get_info(oct, vf_id, &fw_info);
if (err) {
rsp->s_fw_info.type = OCTEP_PFVF_MBOX_TYPE_RSP_NACK;
dev_err(&oct->pdev->dev, "Get VF info failed via host control Mbox\n");
return;
}
rsp->s_fw_info.pkind = fw_info.pkind;
rsp->s_fw_info.fsz = fw_info.fsz;
rsp->s_fw_info.rx_ol_flags = fw_info.rx_ol_flags;
rsp->s_fw_info.tx_ol_flags = fw_info.tx_ol_flags;
rsp->s_fw_info.type = OCTEP_PFVF_MBOX_TYPE_RSP_ACK;
}
static void octep_pfvf_set_offloads(struct octep_device *oct, u32 vf_id,
union octep_pfvf_mbox_word cmd,
union octep_pfvf_mbox_word *rsp)
{
struct octep_ctrl_net_offloads offloads = {
.rx_offloads = cmd.s_offloads.rx_ol_flags,
.tx_offloads = cmd.s_offloads.tx_ol_flags
};
int err;
err = octep_ctrl_net_set_offloads(oct, vf_id, &offloads, true);
if (err) {
rsp->s_offloads.type = OCTEP_PFVF_MBOX_TYPE_RSP_NACK;
dev_err(&oct->pdev->dev, "Set VF offloads failed via host control Mbox\n");
return;
}
rsp->s_offloads.type = OCTEP_PFVF_MBOX_TYPE_RSP_ACK;
}
int octep_setup_pfvf_mbox(struct octep_device *oct)
{
int i = 0, num_vfs = 0, rings_per_vf = 0;
@ -334,6 +375,12 @@ void octep_pfvf_mbox_work(struct work_struct *work)
case OCTEP_PFVF_MBOX_CMD_DEV_REMOVE:
octep_pfvf_dev_remove(oct, vf_id, cmd, &rsp);
break;
case OCTEP_PFVF_MBOX_CMD_GET_FW_INFO:
octep_pfvf_get_fw_info(oct, vf_id, cmd, &rsp);
break;
case OCTEP_PFVF_MBOX_CMD_SET_OFFLOADS:
octep_pfvf_set_offloads(oct, vf_id, cmd, &rsp);
break;
default:
dev_err(&oct->pdev->dev, "PF-VF mailbox: invalid opcode %d\n", cmd.s.opcode);
rsp.s.type = OCTEP_PFVF_MBOX_TYPE_RSP_NACK;

21
drivers/net/ethernet/marvell/octeon_ep/octep_pfvf_mbox.h
View file

@ -18,9 +18,10 @@
enum octep_pfvf_mbox_version {
OCTEP_PFVF_MBOX_VERSION_V0,
OCTEP_PFVF_MBOX_VERSION_V1,
OCTEP_PFVF_MBOX_VERSION_V2,
};
#define OCTEP_PFVF_MBOX_VERSION_CURRENT OCTEP_PFVF_MBOX_VERSION_V1
#define OCTEP_PFVF_MBOX_VERSION_CURRENT OCTEP_PFVF_MBOX_VERSION_V2
enum octep_pfvf_mbox_opcode {
OCTEP_PFVF_MBOX_CMD_VERSION,
@ -34,6 +35,8 @@ enum octep_pfvf_mbox_opcode {
OCTEP_PFVF_MBOX_CMD_GET_LINK_STATUS,
OCTEP_PFVF_MBOX_CMD_GET_MTU,
OCTEP_PFVF_MBOX_CMD_DEV_REMOVE,
OCTEP_PFVF_MBOX_CMD_GET_FW_INFO,
OCTEP_PFVF_MBOX_CMD_SET_OFFLOADS,
OCTEP_PFVF_MBOX_CMD_MAX,
};
@ -138,6 +141,22 @@ union octep_pfvf_mbox_word {
u64 status:1;
u64 rsvd:53;
} s_link_status;
struct {
u64 opcode:8;
u64 type:2;
u64 pkind:8;
u64 fsz:8;
u64 rx_ol_flags:16;
u64 tx_ol_flags:16;
u64 rsvd:6;
} s_fw_info;
struct {
u64 opcode:8;
u64 type:2;
u64 rsvd:22;
u64 rx_ol_flags:16;
u64 tx_ol_flags:16;
} s_offloads;
} __packed;
void octep_pfvf_mbox_work(struct work_struct *work);