![Yuval Mintz](/assets/img/avatar_default.png)
Other protocols beside the networking driver need the ability of passing some L2 traffic, usually [although not limited] for the purpose of some management traffic. Signed-off-by: Yuval Mintz <Yuval.Mintz@caviumnetworks.com> Signed-off-by: Ram Amrani <Ram.Amrani@caviumnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
140 lines
3 KiB
C
140 lines
3 KiB
C
/* QLogic qed NIC Driver
|
|
*
|
|
* Copyright (c) 2015 QLogic Corporation
|
|
*
|
|
* This software is available under the terms of the GNU General Public License
|
|
* (GPL) Version 2, available from the file COPYING in the main directory of
|
|
* this source tree.
|
|
*/
|
|
|
|
#ifndef _QED_LL2_IF_H
|
|
#define _QED_LL2_IF_H
|
|
|
|
#include <linux/types.h>
|
|
#include <linux/interrupt.h>
|
|
#include <linux/netdevice.h>
|
|
#include <linux/pci.h>
|
|
#include <linux/skbuff.h>
|
|
#include <linux/version.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/slab.h>
|
|
#include <linux/qed/qed_if.h>
|
|
|
|
struct qed_ll2_stats {
|
|
u64 gsi_invalid_hdr;
|
|
u64 gsi_invalid_pkt_length;
|
|
u64 gsi_unsupported_pkt_typ;
|
|
u64 gsi_crcchksm_error;
|
|
|
|
u64 packet_too_big_discard;
|
|
u64 no_buff_discard;
|
|
|
|
u64 rcv_ucast_bytes;
|
|
u64 rcv_mcast_bytes;
|
|
u64 rcv_bcast_bytes;
|
|
u64 rcv_ucast_pkts;
|
|
u64 rcv_mcast_pkts;
|
|
u64 rcv_bcast_pkts;
|
|
|
|
u64 sent_ucast_bytes;
|
|
u64 sent_mcast_bytes;
|
|
u64 sent_bcast_bytes;
|
|
u64 sent_ucast_pkts;
|
|
u64 sent_mcast_pkts;
|
|
u64 sent_bcast_pkts;
|
|
};
|
|
|
|
#define QED_LL2_UNUSED_HANDLE (0xff)
|
|
|
|
struct qed_ll2_cb_ops {
|
|
int (*rx_cb)(void *, struct sk_buff *, u32, u32);
|
|
int (*tx_cb)(void *, struct sk_buff *, bool);
|
|
};
|
|
|
|
struct qed_ll2_params {
|
|
u16 mtu;
|
|
bool drop_ttl0_packets;
|
|
bool rx_vlan_stripping;
|
|
u8 tx_tc;
|
|
bool frags_mapped;
|
|
u8 ll2_mac_address[ETH_ALEN];
|
|
};
|
|
|
|
struct qed_ll2_ops {
|
|
/**
|
|
* @brief start - initializes ll2
|
|
*
|
|
* @param cdev
|
|
* @param params - protocol driver configuration for the ll2.
|
|
*
|
|
* @return 0 on success, otherwise error value.
|
|
*/
|
|
int (*start)(struct qed_dev *cdev, struct qed_ll2_params *params);
|
|
|
|
/**
|
|
* @brief stop - stops the ll2
|
|
*
|
|
* @param cdev
|
|
*
|
|
* @return 0 on success, otherwise error value.
|
|
*/
|
|
int (*stop)(struct qed_dev *cdev);
|
|
|
|
/**
|
|
* @brief start_xmit - transmits an skb over the ll2 interface
|
|
*
|
|
* @param cdev
|
|
* @param skb
|
|
*
|
|
* @return 0 on success, otherwise error value.
|
|
*/
|
|
int (*start_xmit)(struct qed_dev *cdev, struct sk_buff *skb);
|
|
|
|
/**
|
|
* @brief register_cb_ops - protocol driver register the callback for Rx/Tx
|
|
* packets. Should be called before `start'.
|
|
*
|
|
* @param cdev
|
|
* @param cookie - to be passed to the callback functions.
|
|
* @param ops - the callback functions to register for Rx / Tx.
|
|
*
|
|
* @return 0 on success, otherwise error value.
|
|
*/
|
|
void (*register_cb_ops)(struct qed_dev *cdev,
|
|
const struct qed_ll2_cb_ops *ops,
|
|
void *cookie);
|
|
|
|
/**
|
|
* @brief get LL2 related statistics
|
|
*
|
|
* @param cdev
|
|
* @param stats - pointer to struct that would be filled with stats
|
|
*
|
|
* @return 0 on success, error otherwise.
|
|
*/
|
|
int (*get_stats)(struct qed_dev *cdev, struct qed_ll2_stats *stats);
|
|
};
|
|
|
|
#ifdef CONFIG_QED_LL2
|
|
int qed_ll2_alloc_if(struct qed_dev *);
|
|
void qed_ll2_dealloc_if(struct qed_dev *);
|
|
#else
|
|
static const struct qed_ll2_ops qed_ll2_ops_pass = {
|
|
.start = NULL,
|
|
.stop = NULL,
|
|
.start_xmit = NULL,
|
|
.register_cb_ops = NULL,
|
|
.get_stats = NULL,
|
|
};
|
|
|
|
static inline int qed_ll2_alloc_if(struct qed_dev *cdev)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void qed_ll2_dealloc_if(struct qed_dev *cdev)
|
|
{
|
|
}
|
|
#endif
|
|
#endif
|