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qed: Add support for changing iSCSI mac

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Enhance API between qedi and qed, allowing qedi to inform device's
firmware when the iSCSI mac is to be changed.

Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Mintz, Yuval 2017-06-02 08:58:33 +03:00 committed by David S. Miller
parent 20675b37ee
commit dc4528e9e8
3 changed files with 74 additions and 0 deletions
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66
drivers/net/ethernet/qlogic/qed/qed_iscsi.c
View File

@ -488,6 +488,54 @@ static int qed_sp_iscsi_conn_update(struct qed_hwfn *p_hwfn,
return qed_spq_post(p_hwfn, p_ent, NULL);
}
static int
qed_sp_iscsi_mac_update(struct qed_hwfn *p_hwfn,
struct qed_iscsi_conn *p_conn,
enum spq_mode comp_mode,
struct qed_spq_comp_cb *p_comp_addr)
{
struct iscsi_spe_conn_mac_update *p_ramrod = NULL;
struct qed_spq_entry *p_ent = NULL;
struct qed_sp_init_data init_data;
int rc = -EINVAL;
u8 ucval;
/* Get SPQ entry */
memset(&init_data, 0, sizeof(init_data));
init_data.cid = p_conn->icid;
init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
init_data.comp_mode = comp_mode;
init_data.p_comp_data = p_comp_addr;
rc = qed_sp_init_request(p_hwfn, &p_ent,
ISCSI_RAMROD_CMD_ID_MAC_UPDATE,
PROTOCOLID_ISCSI, &init_data);
if (rc)
return rc;
p_ramrod = &p_ent->ramrod.iscsi_conn_mac_update;
p_ramrod->hdr.op_code = ISCSI_RAMROD_CMD_ID_MAC_UPDATE;
SET_FIELD(p_ramrod->hdr.flags,
ISCSI_SLOW_PATH_HDR_LAYER_CODE, p_conn->layer_code);
p_ramrod->conn_id = cpu_to_le16(p_conn->conn_id);
p_ramrod->fw_cid = cpu_to_le32(p_conn->icid);
ucval = p_conn->remote_mac[1];
((u8 *)(&p_ramrod->remote_mac_addr_hi))[0] = ucval;
ucval = p_conn->remote_mac[0];
((u8 *)(&p_ramrod->remote_mac_addr_hi))[1] = ucval;
ucval = p_conn->remote_mac[3];
((u8 *)(&p_ramrod->remote_mac_addr_mid))[0] = ucval;
ucval = p_conn->remote_mac[2];
((u8 *)(&p_ramrod->remote_mac_addr_mid))[1] = ucval;
ucval = p_conn->remote_mac[5];
((u8 *)(&p_ramrod->remote_mac_addr_lo))[0] = ucval;
ucval = p_conn->remote_mac[4];
((u8 *)(&p_ramrod->remote_mac_addr_lo))[1] = ucval;
return qed_spq_post(p_hwfn, p_ent, NULL);
}
static int qed_sp_iscsi_conn_terminate(struct qed_hwfn *p_hwfn,
struct qed_iscsi_conn *p_conn,
enum spq_mode comp_mode,
@ -1324,6 +1372,23 @@ static int qed_iscsi_stats(struct qed_dev *cdev, struct qed_iscsi_stats *stats)
return qed_iscsi_get_stats(QED_LEADING_HWFN(cdev), stats);
}
static int qed_iscsi_change_mac(struct qed_dev *cdev,
u32 handle, const u8 *mac)
{
struct qed_hash_iscsi_con *hash_con;
hash_con = qed_iscsi_get_hash(cdev, handle);
if (!hash_con) {
DP_NOTICE(cdev, "Failed to find connection for handle %d\n",
handle);
return -EINVAL;
}
return qed_sp_iscsi_mac_update(QED_LEADING_HWFN(cdev),
hash_con->con,
QED_SPQ_MODE_EBLOCK, NULL);
}
void qed_get_protocol_stats_iscsi(struct qed_dev *cdev,
struct qed_mcp_iscsi_stats *stats)
{
@ -1358,6 +1423,7 @@ static const struct qed_iscsi_ops qed_iscsi_ops_pass = {
.destroy_conn = &qed_iscsi_destroy_conn,
.clear_sq = &qed_iscsi_clear_conn_sq,
.get_stats = &qed_iscsi_stats,
.change_mac = &qed_iscsi_change_mac,
};
const struct qed_iscsi_ops *qed_get_iscsi_ops(void)

1
drivers/net/ethernet/qlogic/qed/qed_sp.h
View File

@ -120,6 +120,7 @@ union ramrod_data {
struct iscsi_spe_func_dstry iscsi_destroy;
struct iscsi_spe_conn_offload iscsi_conn_offload;
struct iscsi_conn_update_ramrod_params iscsi_conn_update;
struct iscsi_spe_conn_mac_update iscsi_conn_mac_update;
struct iscsi_spe_conn_termination iscsi_conn_terminate;
struct vf_start_ramrod_data vf_start;

7
include/linux/qed/qed_iscsi_if.h
View File

@ -210,6 +210,11 @@ struct qed_iscsi_cb_ops {
* @param stats - pointer to struck that would be filled
* we stats
* @return 0 on success, error otherwise.
* @change_mac Change MAC of interface
* @param cdev
* @param handle - the connection handle.
* @param mac - new MAC to configure.
* @return 0 on success, otherwise error value.
*/
struct qed_iscsi_ops {
const struct qed_common_ops *common;
@ -248,6 +253,8 @@ struct qed_iscsi_ops {
int (*get_stats)(struct qed_dev *cdev,
struct qed_iscsi_stats *stats);
int (*change_mac)(struct qed_dev *cdev, u32 handle, const u8 *mac);
};
const struct qed_iscsi_ops *qed_get_iscsi_ops(void);