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/*
* Linux network driver for QLogic BR-series Converged Network Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
/*
* Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
* Copyright (c) 2014-2015 QLogic Corporation
* All rights reserved
* www.qlogic.com
*/
#ifndef __BNA_H__
#define __BNA_H__
#include "bfa_defs.h"
#include "bfa_ioc.h"
#include "bfi_enet.h"
#include "bna_types.h"
extern const u32 bna_napi_dim_vector[][BNA_BIAS_T_MAX];
/* Macros and constants */
#define BNA_IOC_TIMER_FREQ 200
/* Log string size */
#define BNA_MESSAGE_SIZE 256
#define bna_is_small_rxq(_id) ((_id) & 0x1)
#define BNA_MAC_IS_EQUAL(_mac1, _mac2) \
(!memcmp((_mac1), (_mac2), ETH_ALEN))
#define BNA_POWER_OF_2(x) (((x) & ((x) - 1)) == 0)
#define BNA_TO_POWER_OF_2(x) \
do { \
int _shift = 0; \
while ((x) && (x) != 1) { \
(x) >>= 1; \
_shift++; \
} \
(x) <<= _shift; \
} while (0)
#define BNA_TO_POWER_OF_2_HIGH(x) \
do { \
int n = 1; \
while (n < (x)) \
n <<= 1; \
(x) = n; \
} while (0)
/*
* input : _addr-> os dma addr in host endian format,
* output : _bna_dma_addr-> pointer to hw dma addr
*/
#define BNA_SET_DMA_ADDR(_addr, _bna_dma_addr) \
do { \
u64 tmp_addr = \
cpu_to_be64((u64)(_addr)); \
(_bna_dma_addr)->msb = ((struct bna_dma_addr *)&tmp_addr)->msb; \
(_bna_dma_addr)->lsb = ((struct bna_dma_addr *)&tmp_addr)->lsb; \
} while (0)
/*
* input : _bna_dma_addr-> pointer to hw dma addr
* output : _addr-> os dma addr in host endian format
*/
#define BNA_GET_DMA_ADDR(_bna_dma_addr, _addr) \
do { \
(_addr) = ((((u64)ntohl((_bna_dma_addr)->msb))) << 32) \
| ((ntohl((_bna_dma_addr)->lsb) & 0xffffffff)); \
} while (0)
#define containing_rec(addr, type, field) \
((type *)((unsigned char *)(addr) - \
(unsigned char *)(&((type *)0)->field)))
#define BNA_TXQ_WI_NEEDED(_vectors) (((_vectors) + 3) >> 2)
/* TxQ element is 64 bytes */
#define BNA_TXQ_PAGE_INDEX_MAX (PAGE_SIZE >> 6)
#define BNA_TXQ_PAGE_INDEX_MAX_SHIFT (PAGE_SHIFT - 6)
#define BNA_TXQ_QPGE_PTR_GET(_qe_idx, _qpt_ptr, _qe_ptr, _qe_ptr_range) \
{ \
unsigned int page_index; /* index within a page */ \
void *page_addr; \
page_index = (_qe_idx) & (BNA_TXQ_PAGE_INDEX_MAX - 1); \
(_qe_ptr_range) = (BNA_TXQ_PAGE_INDEX_MAX - page_index); \
page_addr = (_qpt_ptr)[((_qe_idx) >> BNA_TXQ_PAGE_INDEX_MAX_SHIFT)];\
(_qe_ptr) = &((struct bna_txq_entry *)(page_addr))[page_index]; \
}
/* RxQ element is 8 bytes */
#define BNA_RXQ_PAGE_INDEX_MAX (PAGE_SIZE >> 3)
#define BNA_RXQ_PAGE_INDEX_MAX_SHIFT (PAGE_SHIFT - 3)
#define BNA_RXQ_QPGE_PTR_GET(_qe_idx, _qpt_ptr, _qe_ptr, _qe_ptr_range) \
{ \
unsigned int page_index; /* index within a page */ \
void *page_addr; \
page_index = (_qe_idx) & (BNA_RXQ_PAGE_INDEX_MAX - 1); \
(_qe_ptr_range) = (BNA_RXQ_PAGE_INDEX_MAX - page_index); \
page_addr = (_qpt_ptr)[((_qe_idx) >> \
BNA_RXQ_PAGE_INDEX_MAX_SHIFT)]; \
(_qe_ptr) = &((struct bna_rxq_entry *)(page_addr))[page_index]; \
}
/* CQ element is 16 bytes */
#define BNA_CQ_PAGE_INDEX_MAX (PAGE_SIZE >> 4)
#define BNA_CQ_PAGE_INDEX_MAX_SHIFT (PAGE_SHIFT - 4)
#define BNA_CQ_QPGE_PTR_GET(_qe_idx, _qpt_ptr, _qe_ptr, _qe_ptr_range) \
{ \
unsigned int page_index; /* index within a page */ \
void *page_addr; \
\
page_index = (_qe_idx) & (BNA_CQ_PAGE_INDEX_MAX - 1); \
(_qe_ptr_range) = (BNA_CQ_PAGE_INDEX_MAX - page_index); \
page_addr = (_qpt_ptr)[((_qe_idx) >> \
BNA_CQ_PAGE_INDEX_MAX_SHIFT)]; \
(_qe_ptr) = &((struct bna_cq_entry *)(page_addr))[page_index];\
}
#define BNA_QE_INDX_2_PTR(_cast, _qe_idx, _q_base) \
(&((_cast *)(_q_base))[(_qe_idx)])
#define BNA_QE_INDX_RANGE(_qe_idx, _q_depth) ((_q_depth) - (_qe_idx))
#define BNA_QE_INDX_ADD(_qe_idx, _qe_num, _q_depth) \
((_qe_idx) = ((_qe_idx) + (_qe_num)) & ((_q_depth) - 1))
#define BNA_QE_INDX_INC(_idx, _q_depth) BNA_QE_INDX_ADD(_idx, 1, _q_depth)
#define BNA_Q_INDEX_CHANGE(_old_idx, _updated_idx, _q_depth) \
(((_updated_idx) - (_old_idx)) & ((_q_depth) - 1))
#define BNA_QE_FREE_CNT(_q_ptr, _q_depth) \
(((_q_ptr)->consumer_index - (_q_ptr)->producer_index - 1) & \
((_q_depth) - 1))
#define BNA_QE_IN_USE_CNT(_q_ptr, _q_depth) \
((((_q_ptr)->producer_index - (_q_ptr)->consumer_index)) & \
(_q_depth - 1))
#define BNA_Q_GET_CI(_q_ptr) ((_q_ptr)->q.consumer_index)
#define BNA_Q_GET_PI(_q_ptr) ((_q_ptr)->q.producer_index)
#define BNA_Q_PI_ADD(_q_ptr, _num) \
(_q_ptr)->q.producer_index = \
(((_q_ptr)->q.producer_index + (_num)) & \
((_q_ptr)->q.q_depth - 1))
#define BNA_Q_CI_ADD(_q_ptr, _num) \
(_q_ptr)->q.consumer_index = \
(((_q_ptr)->q.consumer_index + (_num)) \
& ((_q_ptr)->q.q_depth - 1))
#define BNA_Q_FREE_COUNT(_q_ptr) \
(BNA_QE_FREE_CNT(&((_q_ptr)->q), (_q_ptr)->q.q_depth))
#define BNA_Q_IN_USE_COUNT(_q_ptr) \
(BNA_QE_IN_USE_CNT(&(_q_ptr)->q, (_q_ptr)->q.q_depth))
#define BNA_LARGE_PKT_SIZE 1000
#define BNA_UPDATE_PKT_CNT(_pkt, _len) \
do { \
if ((_len) > BNA_LARGE_PKT_SIZE) { \
(_pkt)->large_pkt_cnt++; \
} else { \
(_pkt)->small_pkt_cnt++; \
} \
} while (0)
#define call_rxf_stop_cbfn(rxf) \
do { \
if ((rxf)->stop_cbfn) { \
void (*cbfn)(struct bna_rx *); \
struct bna_rx *cbarg; \
cbfn = (rxf)->stop_cbfn; \
cbarg = (rxf)->stop_cbarg; \
(rxf)->stop_cbfn = NULL; \
(rxf)->stop_cbarg = NULL; \
cbfn(cbarg); \
} \
} while (0)
#define call_rxf_start_cbfn(rxf) \
do { \
if ((rxf)->start_cbfn) { \
void (*cbfn)(struct bna_rx *); \
struct bna_rx *cbarg; \
cbfn = (rxf)->start_cbfn; \
cbarg = (rxf)->start_cbarg; \
(rxf)->start_cbfn = NULL; \
(rxf)->start_cbarg = NULL; \
cbfn(cbarg); \
} \
} while (0)
#define call_rxf_cam_fltr_cbfn(rxf) \
do { \
if ((rxf)->cam_fltr_cbfn) { \
void (*cbfn)(struct bnad *, struct bna_rx *); \
struct bnad *cbarg; \
cbfn = (rxf)->cam_fltr_cbfn; \
cbarg = (rxf)->cam_fltr_cbarg; \
(rxf)->cam_fltr_cbfn = NULL; \
(rxf)->cam_fltr_cbarg = NULL; \
cbfn(cbarg, rxf->rx); \
} \
} while (0)
#define call_rxf_pause_cbfn(rxf) \
do { \
if ((rxf)->oper_state_cbfn) { \
void (*cbfn)(struct bnad *, struct bna_rx *); \
struct bnad *cbarg; \
cbfn = (rxf)->oper_state_cbfn; \
cbarg = (rxf)->oper_state_cbarg; \
(rxf)->oper_state_cbfn = NULL; \
(rxf)->oper_state_cbarg = NULL; \
cbfn(cbarg, rxf->rx); \
} \
} while (0)
#define call_rxf_resume_cbfn(rxf) call_rxf_pause_cbfn(rxf)
#define is_xxx_enable(mode, bitmask, xxx) ((bitmask & xxx) && (mode & xxx))
#define is_xxx_disable(mode, bitmask, xxx) ((bitmask & xxx) && !(mode & xxx))
#define xxx_enable(mode, bitmask, xxx) \
do { \
bitmask |= xxx; \
mode |= xxx; \
} while (0)
#define xxx_disable(mode, bitmask, xxx) \
do { \
bitmask |= xxx; \
mode &= ~xxx; \
} while (0)
#define xxx_inactive(mode, bitmask, xxx) \
do { \
bitmask &= ~xxx; \
mode &= ~xxx; \
} while (0)
#define is_promisc_enable(mode, bitmask) \
is_xxx_enable(mode, bitmask, BNA_RXMODE_PROMISC)
#define is_promisc_disable(mode, bitmask) \
is_xxx_disable(mode, bitmask, BNA_RXMODE_PROMISC)
#define promisc_enable(mode, bitmask) \
xxx_enable(mode, bitmask, BNA_RXMODE_PROMISC)
#define promisc_disable(mode, bitmask) \
xxx_disable(mode, bitmask, BNA_RXMODE_PROMISC)
#define promisc_inactive(mode, bitmask) \
xxx_inactive(mode, bitmask, BNA_RXMODE_PROMISC)
#define is_default_enable(mode, bitmask) \
is_xxx_enable(mode, bitmask, BNA_RXMODE_DEFAULT)
#define is_default_disable(mode, bitmask) \
is_xxx_disable(mode, bitmask, BNA_RXMODE_DEFAULT)
#define default_enable(mode, bitmask) \
xxx_enable(mode, bitmask, BNA_RXMODE_DEFAULT)
#define default_disable(mode, bitmask) \
xxx_disable(mode, bitmask, BNA_RXMODE_DEFAULT)
#define default_inactive(mode, bitmask) \
xxx_inactive(mode, bitmask, BNA_RXMODE_DEFAULT)
#define is_allmulti_enable(mode, bitmask) \
is_xxx_enable(mode, bitmask, BNA_RXMODE_ALLMULTI)
#define is_allmulti_disable(mode, bitmask) \
is_xxx_disable(mode, bitmask, BNA_RXMODE_ALLMULTI)
#define allmulti_enable(mode, bitmask) \
xxx_enable(mode, bitmask, BNA_RXMODE_ALLMULTI)
#define allmulti_disable(mode, bitmask) \
xxx_disable(mode, bitmask, BNA_RXMODE_ALLMULTI)
#define allmulti_inactive(mode, bitmask) \
xxx_inactive(mode, bitmask, BNA_RXMODE_ALLMULTI)
#define GET_RXQS(rxp, q0, q1) do { \
switch ((rxp)->type) { \
case BNA_RXP_SINGLE: \
(q0) = rxp->rxq.single.only; \
(q1) = NULL; \
break; \
case BNA_RXP_SLR: \
(q0) = rxp->rxq.slr.large; \
(q1) = rxp->rxq.slr.small; \
break; \
case BNA_RXP_HDS: \
(q0) = rxp->rxq.hds.data; \
(q1) = rxp->rxq.hds.hdr; \
break; \
} \
} while (0)
#define bna_tx_rid_mask(_bna) ((_bna)->tx_mod.rid_mask)
#define bna_rx_rid_mask(_bna) ((_bna)->rx_mod.rid_mask)
#define bna_tx_from_rid(_bna, _rid, _tx) \
do { \
struct bna_tx_mod *__tx_mod = &(_bna)->tx_mod; \
struct bna_tx *__tx; \
struct list_head *qe; \
_tx = NULL; \
list_for_each(qe, &__tx_mod->tx_active_q) { \
__tx = (struct bna_tx *)qe; \
if (__tx->rid == (_rid)) { \
(_tx) = __tx; \
break; \
} \
} \
} while (0)
#define bna_rx_from_rid(_bna, _rid, _rx) \
do { \
struct bna_rx_mod *__rx_mod = &(_bna)->rx_mod; \
struct bna_rx *__rx; \
struct list_head *qe; \
_rx = NULL; \
list_for_each(qe, &__rx_mod->rx_active_q) { \
__rx = (struct bna_rx *)qe; \
if (__rx->rid == (_rid)) { \
(_rx) = __rx; \
break; \
} \
} \
} while (0)
#define bna_mcam_mod_free_q(_bna) (&(_bna)->mcam_mod.free_q)
#define bna_mcam_mod_del_q(_bna) (&(_bna)->mcam_mod.del_q)
#define bna_ucam_mod_free_q(_bna) (&(_bna)->ucam_mod.free_q)
#define bna_ucam_mod_del_q(_bna) (&(_bna)->ucam_mod.del_q)
/* Inline functions */
static inline struct bna_mac *bna_mac_find(struct list_head *q, u8 *addr)
{
struct bna_mac *mac = NULL;
struct list_head *qe;
list_for_each(qe, q) {
if (BNA_MAC_IS_EQUAL(((struct bna_mac *)qe)->addr, addr)) {
mac = (struct bna_mac *)qe;
break;
}
}
return mac;
}
#define bna_attr(_bna) (&(_bna)->ioceth.attr)
/* Function prototypes */
/* BNA */
/* FW response handlers */
void bna_bfi_stats_clr_rsp(struct bna *bna, struct bfi_msgq_mhdr *msghdr);
/* APIs for BNAD */
void bna_res_req(struct bna_res_info *res_info);
void bna_mod_res_req(struct bna *bna, struct bna_res_info *res_info);
void bna_init(struct bna *bna, struct bnad *bnad,
struct bfa_pcidev *pcidev,
struct bna_res_info *res_info);
void bna_mod_init(struct bna *bna, struct bna_res_info *res_info);
void bna_uninit(struct bna *bna);
int bna_num_txq_set(struct bna *bna, int num_txq);
int bna_num_rxp_set(struct bna *bna, int num_rxp);
void bna_hw_stats_get(struct bna *bna);
/* APIs for RxF */
struct bna_mac *bna_cam_mod_mac_get(struct list_head *head);
void bna_cam_mod_mac_put(struct list_head *tail, struct bna_mac *mac);
struct bna_mcam_handle *bna_mcam_mod_handle_get(struct bna_mcam_mod *mod);
void bna_mcam_mod_handle_put(struct bna_mcam_mod *mcam_mod,
struct bna_mcam_handle *handle);
/* MBOX */
/* API for BNAD */
void bna_mbox_handler(struct bna *bna, u32 intr_status);
/* ETHPORT */
/* Callbacks for RX */
void bna_ethport_cb_rx_started(struct bna_ethport *ethport);
void bna_ethport_cb_rx_stopped(struct bna_ethport *ethport);
/* TX MODULE AND TX */
/* FW response handelrs */
void bna_bfi_tx_enet_start_rsp(struct bna_tx *tx,
struct bfi_msgq_mhdr *msghdr);
void bna_bfi_tx_enet_stop_rsp(struct bna_tx *tx,
struct bfi_msgq_mhdr *msghdr);
void bna_bfi_bw_update_aen(struct bna_tx_mod *tx_mod);
/* APIs for BNA */
void bna_tx_mod_init(struct bna_tx_mod *tx_mod, struct bna *bna,
struct bna_res_info *res_info);
void bna_tx_mod_uninit(struct bna_tx_mod *tx_mod);
/* APIs for ENET */
void bna_tx_mod_start(struct bna_tx_mod *tx_mod, enum bna_tx_type type);
void bna_tx_mod_stop(struct bna_tx_mod *tx_mod, enum bna_tx_type type);
void bna_tx_mod_fail(struct bna_tx_mod *tx_mod);
/* APIs for BNAD */
void bna_tx_res_req(int num_txq, int txq_depth,
struct bna_res_info *res_info);
struct bna_tx *bna_tx_create(struct bna *bna, struct bnad *bnad,
struct bna_tx_config *tx_cfg,
const struct bna_tx_event_cbfn *tx_cbfn,
struct bna_res_info *res_info, void *priv);
void bna_tx_destroy(struct bna_tx *tx);
void bna_tx_enable(struct bna_tx *tx);
void bna_tx_disable(struct bna_tx *tx, enum bna_cleanup_type type,
void (*cbfn)(void *, struct bna_tx *));
void bna_tx_cleanup_complete(struct bna_tx *tx);
void bna_tx_coalescing_timeo_set(struct bna_tx *tx, int coalescing_timeo);
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