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cxgb4: add cxgb4_fcoe.h and macro definitions for FCoE

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This patch adds new header file cxgb4_fcoe.h and defines new
macros for FCoE support in cxgb4 driver.

Signed-off-by: Varun Prakash <varun@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Varun Prakash 2015-03-24 19:14:45 +05:30 committed by David S. Miller
parent ff40217e73
commit 76fed8a989
3 changed files with 89 additions and 0 deletions
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7
drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
View File

@ -387,6 +387,10 @@ struct sge_rspq;
#include "cxgb4_dcb.h"
#ifdef CONFIG_CHELSIO_T4_FCOE
#include "cxgb4_fcoe.h"
#endif /* CONFIG_CHELSIO_T4_FCOE */
struct port_info {
struct adapter *adapter;
u16 viid;
@ -406,6 +410,9 @@ struct port_info {
#ifdef CONFIG_CHELSIO_T4_DCB
struct port_dcb_info dcb; /* Data Center Bridging support */
#endif
#ifdef CONFIG_CHELSIO_T4_FCOE
struct cxgb_fcoe fcoe;
#endif /* CONFIG_CHELSIO_T4_FCOE */
};
struct dentry;

57
drivers/net/ethernet/chelsio/cxgb4/cxgb4_fcoe.h Normal file
View File

@ -0,0 +1,57 @@
/*
* This file is part of the Chelsio T4 Ethernet driver for Linux.
*
* Copyright (c) 2015 Chelsio Communications, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed 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, or the
* OpenIB.org BSD license below:
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef __CXGB4_FCOE_H__
#define __CXGB4_FCOE_H__
#ifdef CONFIG_CHELSIO_T4_FCOE
#define CXGB_FCOE_TXPKT_CSUM_START 28
#define CXGB_FCOE_TXPKT_CSUM_END 8
/* fcoe flags */
enum {
CXGB_FCOE_ENABLED = (1 << 0),
};
struct cxgb_fcoe {
u8 flags;
};
int cxgb_fcoe_enable(struct net_device *);
int cxgb_fcoe_disable(struct net_device *);
bool cxgb_fcoe_sof_eof_supported(struct adapter *, struct sk_buff *);
#endif /* CONFIG_CHELSIO_T4_FCOE */
#endif /* __CXGB4_FCOE_H__ */

25
drivers/net/ethernet/chelsio/cxgb4/t4_msg.h
View File

@ -794,6 +794,14 @@ struct cpl_rx_pkt {
__be16 err_vec;
};
#define RXF_PSH_S 20
#define RXF_PSH_V(x) ((x) << RXF_PSH_S)
#define RXF_PSH_F RXF_PSH_V(1U)
#define RXF_SYN_S 21
#define RXF_SYN_V(x) ((x) << RXF_SYN_S)
#define RXF_SYN_F RXF_SYN_V(1U)
#define RXF_UDP_S 22
#define RXF_UDP_V(x) ((x) << RXF_UDP_S)
#define RXF_UDP_F RXF_UDP_V(1U)
@ -810,6 +818,18 @@ struct cpl_rx_pkt {
#define RXF_IP6_V(x) ((x) << RXF_IP6_S)
#define RXF_IP6_F RXF_IP6_V(1U)
#define RXF_SYN_COOKIE_S 26
#define RXF_SYN_COOKIE_V(x) ((x) << RXF_SYN_COOKIE_S)
#define RXF_SYN_COOKIE_F RXF_SYN_COOKIE_V(1U)
#define RXF_FCOE_S 26
#define RXF_FCOE_V(x) ((x) << RXF_FCOE_S)
#define RXF_FCOE_F RXF_FCOE_V(1U)
#define RXF_LRO_S 27
#define RXF_LRO_V(x) ((x) << RXF_LRO_S)
#define RXF_LRO_F RXF_LRO_V(1U)
/* rx_pkt.l2info fields */
#define RX_ETHHDR_LEN_S 0
#define RX_ETHHDR_LEN_M 0x1F
@ -846,6 +866,11 @@ struct cpl_rx_pkt {
#define RX_IPHDR_LEN_V(x) ((x) << RX_IPHDR_LEN_S)
#define RX_IPHDR_LEN_G(x) (((x) >> RX_IPHDR_LEN_S) & RX_IPHDR_LEN_M)
/* rx_pkt.err_vec fields */
#define RXERR_CSUM_S 13
#define RXERR_CSUM_V(x) ((x) << RXERR_CSUM_S)
#define RXERR_CSUM_F RXERR_CSUM_V(1U)
struct cpl_trace_pkt {
u8 opcode;
u8 intf;