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Date: Thu, 7 Dec 2023 23:03:51 -0800
From: Shinas Rasheed <srasheed@...vell.com>
To: <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>
CC: <hgani@...vell.com>, <vimleshk@...vell.com>, <egallen@...hat.com>,
<mschmidt@...hat.com>, <pabeni@...hat.com>, <horms@...nel.org>,
<kuba@...nel.org>, <davem@...emloft.net>, <wizhao@...hat.com>,
<kheib@...hat.com>, <konguyen@...hat.com>,
Shinas Rasheed
<srasheed@...vell.com>,
Veerasenareddy Burru <vburru@...vell.com>,
"Sathesh
Edara" <sedara@...vell.com>,
Eric Dumazet <edumazet@...gle.com>
Subject: [PATCH net-next v1 3/4] octeon_ep: control net framework to support VF offloads
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@...vell.com>
---
.../marvell/octeon_ep/octep_pfvf_mbox.c | 47 +++++++++++++++++++
.../marvell/octeon_ep/octep_pfvf_mbox.h | 21 ++++++++-
2 files changed, 67 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/marvell/octeon_ep/octep_pfvf_mbox.c b/drivers/net/ethernet/marvell/octeon_ep/octep_pfvf_mbox.c
index baffe298a2a0..57e0184840c2 100644
--- a/drivers/net/ethernet/marvell/octeon_ep/octep_pfvf_mbox.c
+++ b/drivers/net/ethernet/marvell/octeon_ep/octep_pfvf_mbox.c
@@ -159,6 +159,47 @@ 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;
@@ -335,6 +376,12 @@ 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;
diff --git a/drivers/net/ethernet/marvell/octeon_ep/octep_pfvf_mbox.h b/drivers/net/ethernet/marvell/octeon_ep/octep_pfvf_mbox.h
index 99d9cd1b6e5d..887b2d6b6beb 100644
--- a/drivers/net/ethernet/marvell/octeon_ep/octep_pfvf_mbox.h
+++ b/drivers/net/ethernet/marvell/octeon_ep/octep_pfvf_mbox.h
@@ -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);
--
2.25.1
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