blob: 5d0753cc7e735eb11d4228afced69c8afdae3818 [file] [log] [blame]
/*
* 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
*/
#include "bna.h"
#include "bfi.h"
/* IB */
static void
bna_ib_coalescing_timeo_set(struct bna_ib *ib, u8 coalescing_timeo)
{
ib->coalescing_timeo = coalescing_timeo;
ib->door_bell.doorbell_ack = BNA_DOORBELL_IB_INT_ACK(
(u32)ib->coalescing_timeo, 0);
}
/* RXF */
#define bna_rxf_vlan_cfg_soft_reset(rxf) \
do { \
(rxf)->vlan_pending_bitmask = (u8)BFI_VLAN_BMASK_ALL; \
(rxf)->vlan_strip_pending = true; \
} while (0)
#define bna_rxf_rss_cfg_soft_reset(rxf) \
do { \
if ((rxf)->rss_status == BNA_STATUS_T_ENABLED) \
(rxf)->rss_pending = (BNA_RSS_F_RIT_PENDING | \
BNA_RSS_F_CFG_PENDING | \
BNA_RSS_F_STATUS_PENDING); \
} while (0)
static int bna_rxf_cfg_apply(struct bna_rxf *rxf);
static void bna_rxf_cfg_reset(struct bna_rxf *rxf);
static int bna_rxf_ucast_cfg_apply(struct bna_rxf *rxf);
static int bna_rxf_promisc_cfg_apply(struct bna_rxf *rxf);
static int bna_rxf_allmulti_cfg_apply(struct bna_rxf *rxf);
static int bna_rxf_vlan_strip_cfg_apply(struct bna_rxf *rxf);
static int bna_rxf_ucast_cfg_reset(struct bna_rxf *rxf,
enum bna_cleanup_type cleanup);
static int bna_rxf_promisc_cfg_reset(struct bna_rxf *rxf,
enum bna_cleanup_type cleanup);
static int bna_rxf_allmulti_cfg_reset(struct bna_rxf *rxf,
enum bna_cleanup_type cleanup);
bfa_fsm_state_decl(bna_rxf, stopped, struct bna_rxf,
enum bna_rxf_event);
bfa_fsm_state_decl(bna_rxf, cfg_wait, struct bna_rxf,
enum bna_rxf_event);
bfa_fsm_state_decl(bna_rxf, started, struct bna_rxf,
enum bna_rxf_event);
bfa_fsm_state_decl(bna_rxf, last_resp_wait, struct bna_rxf,
enum bna_rxf_event);
static void
bna_rxf_sm_stopped_entry(struct bna_rxf *rxf)
{
call_rxf_stop_cbfn(rxf);
}
static void
bna_rxf_sm_stopped(struct bna_rxf *rxf, enum bna_rxf_event event)
{
switch (event) {
case RXF_E_START:
bfa_fsm_set_state(rxf, bna_rxf_sm_cfg_wait);
break;
case RXF_E_STOP:
call_rxf_stop_cbfn(rxf);
break;
case RXF_E_FAIL:
/* No-op */
break;
case RXF_E_CONFIG:
call_rxf_cam_fltr_cbfn(rxf);
break;
default:
bfa_sm_fault(event);
}
}
static void
bna_rxf_sm_cfg_wait_entry(struct bna_rxf *rxf)
{
if (!bna_rxf_cfg_apply(rxf)) {
/* No more pending config updates */
bfa_fsm_set_state(rxf, bna_rxf_sm_started);
}
}
static void
bna_rxf_sm_cfg_wait(struct bna_rxf *rxf, enum bna_rxf_event event)
{
switch (event) {
case RXF_E_STOP:
bfa_fsm_set_state(rxf, bna_rxf_sm_last_resp_wait);
break;
case RXF_E_FAIL:
bna_rxf_cfg_reset(rxf);
call_rxf_start_cbfn(rxf);
call_rxf_cam_fltr_cbfn(rxf);
bfa_fsm_set_state(rxf, bna_rxf_sm_stopped);
break;
case RXF_E_CONFIG:
/* No-op */
break;
case RXF_E_FW_RESP:
if (!bna_rxf_cfg_apply(rxf)) {
/* No more pending config updates */
bfa_fsm_set_state(rxf, bna_rxf_sm_started);
}
break;
default:
bfa_sm_fault(event);
}
}
static void
bna_rxf_sm_started_entry(struct bna_rxf *rxf)
{
call_rxf_start_cbfn(rxf);
call_rxf_cam_fltr_cbfn(rxf);
}
static void
bna_rxf_sm_started(struct bna_rxf *rxf, enum bna_rxf_event event)
{
switch (event) {
case RXF_E_STOP:
case RXF_E_FAIL:
bna_rxf_cfg_reset(rxf);
bfa_fsm_set_state(rxf, bna_rxf_sm_stopped);
break;
case RXF_E_CONFIG:
bfa_fsm_set_state(rxf, bna_rxf_sm_cfg_wait);
break;
default:
bfa_sm_fault(event);
}
}
static void
bna_rxf_sm_last_resp_wait_entry(struct bna_rxf *rxf)
{
}
static void
bna_rxf_sm_last_resp_wait(struct bna_rxf *rxf, enum bna_rxf_event event)
{
switch (event) {
case RXF_E_FAIL:
case RXF_E_FW_RESP:
bna_rxf_cfg_reset(rxf);
bfa_fsm_set_state(rxf, bna_rxf_sm_stopped);
break;
default:
bfa_sm_fault(event);
}
}
static void
bna_bfi_ucast_req(struct bna_rxf *rxf, struct bna_mac *mac,
enum bfi_enet_h2i_msgs req_type)
{
struct bfi_enet_ucast_req *req = &rxf->bfi_enet_cmd.ucast_req;
bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET, req_type, 0, rxf->rx->rid);
req->mh.num_entries = htons(
bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_ucast_req)));
ether_addr_copy(req->mac_addr, mac->addr);
bfa_msgq_cmd_set(&rxf->msgq_cmd, NULL, NULL,
sizeof(struct bfi_enet_ucast_req), &req->mh);
bfa_msgq_cmd_post(&rxf->rx->bna->msgq, &rxf->msgq_cmd);
}
static void
bna_bfi_mcast_add_req(struct bna_rxf *rxf, struct bna_mac *mac)
{
struct bfi_enet_mcast_add_req *req =
&rxf->bfi_enet_cmd.mcast_add_req;
bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET, BFI_ENET_H2I_MAC_MCAST_ADD_REQ,
0, rxf->rx->rid);
req->mh.num_entries = htons(
bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_mcast_add_req)));
ether_addr_copy(req->mac_addr, mac->addr);
bfa_msgq_cmd_set(&rxf->msgq_cmd, NULL, NULL,
sizeof(struct bfi_enet_mcast_add_req), &req->mh);
bfa_msgq_cmd_post(&rxf->rx->bna->msgq, &rxf->msgq_cmd);
}
static void
bna_bfi_mcast_del_req(struct bna_rxf *rxf, u16 handle)
{
struct bfi_enet_mcast_del_req *req =
&rxf->bfi_enet_cmd.mcast_del_req;
bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET, BFI_ENET_H2I_MAC_MCAST_DEL_REQ,
0, rxf->rx->rid);
req->mh.num_entries = htons(
bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_mcast_del_req)));
req->handle = htons(handle);
bfa_msgq_cmd_set(&rxf->msgq_cmd, NULL, NULL,
sizeof(struct bfi_enet_mcast_del_req), &req->mh);
bfa_msgq_cmd_post(&rxf->rx->bna->msgq, &rxf->msgq_cmd);
}
static void
bna_bfi_mcast_filter_req(struct bna_rxf *rxf, enum bna_status status)
{
struct bfi_enet_enable_req *req = &rxf->bfi_enet_cmd.req;
bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET,
BFI_ENET_H2I_MAC_MCAST_FILTER_REQ, 0, rxf->rx->rid);
req->mh.num_entries = htons(
bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_enable_req)));
req->enable = status;
bfa_msgq_cmd_set(&rxf->msgq_cmd, NULL, NULL,
sizeof(struct bfi_enet_enable_req), &req->mh);
bfa_msgq_cmd_post(&rxf->rx->bna->msgq, &rxf->msgq_cmd);
}
static void
bna_bfi_rx_promisc_req(struct bna_rxf *rxf, enum bna_status status)
{
struct bfi_enet_enable_req *req = &rxf->bfi_enet_cmd.req;
bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET,
BFI_ENET_H2I_RX_PROMISCUOUS_REQ, 0, rxf->rx->rid);
req->mh.num_entries = htons(
bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_enable_req)));
req->enable = status;
bfa_msgq_cmd_set(&rxf->msgq_cmd, NULL, NULL,
sizeof(struct bfi_enet_enable_req), &req->mh);
bfa_msgq_cmd_post(&rxf->rx->bna->msgq, &rxf->msgq_cmd);
}
static void
bna_bfi_rx_vlan_filter_set(struct bna_rxf *rxf, u8 block_idx)
{
struct bfi_enet_rx_vlan_req *req = &rxf->bfi_enet_cmd.vlan_req;
int i;
int j;
bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET,
BFI_ENET_H2I_RX_VLAN_SET_REQ, 0, rxf->rx->rid);
req->mh.num_entries = htons(
bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_rx_vlan_req)));
req->block_idx = block_idx;
for (i = 0; i < (BFI_ENET_VLAN_BLOCK_SIZE / 32); i++) {
j = (block_idx * (BFI_ENET_VLAN_BLOCK_SIZE / 32)) + i;
if (rxf->vlan_filter_status == BNA_STATUS_T_ENABLED)
req->bit_mask[i] =
htonl(rxf->vlan_filter_table[j]);
else
req->bit_mask[i] = 0xFFFFFFFF;
}
bfa_msgq_cmd_set(&rxf->msgq_cmd, NULL, NULL,
sizeof(struct bfi_enet_rx_vlan_req), &req->mh);
bfa_msgq_cmd_post(&rxf->rx->bna->msgq, &rxf->msgq_cmd);
}
static void
bna_bfi_vlan_strip_enable(struct bna_rxf *rxf)
{
struct bfi_enet_enable_req *req = &rxf->bfi_enet_cmd.req;
bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET,
BFI_ENET_H2I_RX_VLAN_STRIP_ENABLE_REQ, 0, rxf->rx->rid);
req->mh.num_entries = htons(
bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_enable_req)));
req->enable = rxf->vlan_strip_status;
bfa_msgq_cmd_set(&rxf->msgq_cmd, NULL, NULL,
sizeof(struct bfi_enet_enable_req), &req->mh);
bfa_msgq_cmd_post(&rxf->rx->bna->msgq, &rxf->msgq_cmd);
}
static void
bna_bfi_rit_cfg(struct bna_rxf *rxf)
{
struct bfi_enet_rit_req *req = &rxf->bfi_enet_cmd.rit_req;
bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET,
BFI_ENET_H2I_RIT_CFG_REQ, 0, rxf->rx->rid);
req->mh.num_entries = htons(
bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_rit_req)));
req->size = htons(rxf->rit_size);
memcpy(&req->table[0], rxf->rit, rxf->rit_size);
bfa_msgq_cmd_set(&rxf->msgq_cmd, NULL, NULL,
sizeof(struct bfi_enet_rit_req), &req->mh);
bfa_msgq_cmd_post(&rxf->rx->bna->msgq, &rxf->msgq_cmd);
}
static void
bna_bfi_rss_cfg(struct bna_rxf *rxf)
{
struct bfi_enet_rss_cfg_req *req = &rxf->bfi_enet_cmd.rss_req;
int i;
bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET,
BFI_ENET_H2I_RSS_CFG_REQ, 0, rxf->rx->rid);
req->mh.num_entries = htons(
bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_rss_cfg_req)));
req->cfg.type = rxf->rss_cfg.hash_type;
req->cfg.mask = rxf->rss_cfg.hash_mask;
for (i = 0; i < BFI_ENET_RSS_KEY_LEN; i++)
req->cfg.key[i] =
htonl(rxf->rss_cfg.toeplitz_hash_key[i]);
bfa_msgq_cmd_set(&rxf->msgq_cmd, NULL, NULL,
sizeof(struct bfi_enet_rss_cfg_req), &req->mh);
bfa_msgq_cmd_post(&rxf->rx->bna->msgq, &rxf->msgq_cmd);
}
static void
bna_bfi_rss_enable(struct bna_rxf *rxf)
{
struct bfi_enet_enable_req *req = &rxf->bfi_enet_cmd.req;
bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET,
BFI_ENET_H2I_RSS_ENABLE_REQ, 0, rxf->rx->rid);
req->mh.num_entries = htons(
bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_enable_req)));
req->enable = rxf->rss_status;
bfa_msgq_cmd_set(&rxf->msgq_cmd, NULL, NULL,
sizeof(struct bfi_enet_enable_req), &req->mh);
bfa_msgq_cmd_post(&rxf->rx->bna->msgq, &rxf->msgq_cmd);
}
/* This function gets the multicast MAC that has already been added to CAM */
static struct bna_mac *
bna_rxf_mcmac_get(struct bna_rxf *rxf, const u8 *mac_addr)
{
struct bna_mac *mac;
list_for_each_entry(mac, &rxf->mcast_active_q, qe)
if (ether_addr_equal(mac->addr, mac_addr))
return mac;
list_for_each_entry(mac, &rxf->mcast_pending_del_q, qe)
if (ether_addr_equal(mac->addr, mac_addr))
return mac;
return NULL;
}
static struct bna_mcam_handle *
bna_rxf_mchandle_get(struct bna_rxf *rxf, int handle)
{
struct bna_mcam_handle *mchandle;
list_for_each_entry(mchandle, &rxf->mcast_handle_q, qe)
if (mchandle->handle == handle)
return mchandle;
return NULL;
}
static void
bna_rxf_mchandle_attach(struct bna_rxf *rxf, u8 *mac_addr, int handle)
{
struct bna_mac *mcmac;
struct bna_mcam_handle *mchandle;
mcmac = bna_rxf_mcmac_get(rxf, mac_addr);
mchandle = bna_rxf_mchandle_get(rxf, handle);
if (mchandle == NULL) {
mchandle = bna_mcam_mod_handle_get(&rxf->rx->bna->mcam_mod);
mchandle->handle = handle;
mchandle->refcnt = 0;
list_add_tail(&mchandle->qe, &rxf->mcast_handle_q);
}
mchandle->refcnt++;
mcmac->handle = mchandle;
}
static int
bna_rxf_mcast_del(struct bna_rxf *rxf, struct bna_mac *mac,
enum bna_cleanup_type cleanup)
{
struct bna_mcam_handle *mchandle;
int ret = 0;
mchandle = mac->handle;
if (mchandle == NULL)
return ret;
mchandle->refcnt--;
if (mchandle->refcnt == 0) {
if (cleanup == BNA_HARD_CLEANUP) {
bna_bfi_mcast_del_req(rxf, mchandle->handle);
ret = 1;
}
list_del(&mchandle->qe);
bna_mcam_mod_handle_put(&rxf->rx->bna->mcam_mod, mchandle);
}
mac->handle = NULL;
return ret;
}
static int
bna_rxf_mcast_cfg_apply(struct bna_rxf *rxf)
{
struct bna_mac *mac = NULL;
int ret;
/* First delete multicast entries to maintain the count */
while (!list_empty(&rxf->mcast_pending_del_q)) {
mac = list_first_entry(&rxf->mcast_pending_del_q,
struct bna_mac, qe);
ret = bna_rxf_mcast_del(rxf, mac, BNA_HARD_CLEANUP);
list_move_tail(&mac->qe, bna_mcam_mod_del_q(rxf->rx->bna));
if (ret)
return ret;
}
/* Add multicast entries */
if (!list_empty(&rxf->mcast_pending_add_q)) {
mac = list_first_entry(&rxf->mcast_pending_add_q,
struct bna_mac, qe);
list_move_tail(&mac->qe, &rxf->mcast_active_q);
bna_bfi_mcast_add_req(rxf, mac);
return 1;
}
return 0;
}
static int
bna_rxf_vlan_cfg_apply(struct bna_rxf *rxf)
{
u8 vlan_pending_bitmask;
int block_idx = 0;
if (rxf->vlan_pending_bitmask) {
vlan_pending_bitmask = rxf->vlan_pending_bitmask;
while (!(vlan_pending_bitmask & 0x1)) {
block_idx++;
vlan_pending_bitmask >>= 1;
}
rxf->vlan_pending_bitmask &= ~BIT(block_idx);
bna_bfi_rx_vlan_filter_set(rxf, block_idx);
return 1;
}
return 0;
}
static int
bna_rxf_mcast_cfg_reset(struct bna_rxf *rxf, enum bna_cleanup_type cleanup)
{
struct bna_mac *mac;
int ret;
/* Throw away delete pending mcast entries */
while (!list_empty(&rxf->mcast_pending_del_q)) {
mac = list_first_entry(&rxf->mcast_pending_del_q,
struct bna_mac, qe);
ret = bna_rxf_mcast_del(rxf, mac, cleanup);
list_move_tail(&mac->qe, bna_mcam_mod_del_q(rxf->rx->bna));
if (ret)
return ret;
}
/* Move active mcast entries to pending_add_q */
while (!list_empty(&rxf->mcast_active_q)) {
mac = list_first_entry(&rxf->mcast_active_q,
struct bna_mac, qe);
list_move_tail(&mac->qe, &rxf->mcast_pending_add_q);
if (bna_rxf_mcast_del(rxf, mac, cleanup))
return 1;
}
return 0;
}
static int
bna_rxf_rss_cfg_apply(struct bna_rxf *rxf)
{
if (rxf->rss_pending) {
if (rxf->rss_pending & BNA_RSS_F_RIT_PENDING) {
rxf->rss_pending &= ~BNA_RSS_F_RIT_PENDING;
bna_bfi_rit_cfg(rxf);
return 1;
}
if (rxf->rss_pending & BNA_RSS_F_CFG_PENDING) {
rxf->rss_pending &= ~BNA_RSS_F_CFG_PENDING;
bna_bfi_rss_cfg(rxf);
return 1;
}
if (rxf->rss_pending & BNA_RSS_F_STATUS_PENDING) {
rxf->rss_pending &= ~BNA_RSS_F_STATUS_PENDING;
bna_bfi_rss_enable(rxf);
return 1;
}
}
return 0;
}
static int
bna_rxf_cfg_apply(struct bna_rxf *rxf)
{
if (bna_rxf_ucast_cfg_apply(rxf))
return 1;
if (bna_rxf_mcast_cfg_apply(rxf))
return 1;
if (bna_rxf_promisc_cfg_apply(rxf))
return 1;
if (bna_rxf_allmulti_cfg_apply(rxf))
return 1;
if (bna_rxf_vlan_cfg_apply(rxf))
return 1;
if (bna_rxf_vlan_strip_cfg_apply(rxf))
return 1;
if (bna_rxf_rss_cfg_apply(rxf))
return 1;
return 0;
}
static void
bna_rxf_cfg_reset(struct bna_rxf *rxf)
{
bna_rxf_ucast_cfg_reset(rxf, BNA_SOFT_CLEANUP);
bna_rxf_mcast_cfg_reset(rxf, BNA_SOFT_CLEANUP);
bna_rxf_promisc_cfg_reset(rxf, BNA_SOFT_CLEANUP);
bna_rxf_allmulti_cfg_reset(rxf, BNA_SOFT_CLEANUP);
bna_rxf_vlan_cfg_soft_reset(rxf);
bna_rxf_rss_cfg_soft_reset(rxf);
}
static void
bna_rit_init(struct bna_rxf *rxf, int rit_size)
{
struct bna_rx *rx = rxf->rx;
struct bna_rxp *rxp;
int offset = 0;
rxf->rit_size = rit_size;
list_for_each_entry(rxp, &rx->rxp_q, qe) {
rxf->rit[offset] = rxp->cq.ccb->id;
offset++;
}
}
void
bna_bfi_rxf_cfg_rsp(struct bna_rxf *rxf, struct bfi_msgq_mhdr *msghdr)
{
bfa_fsm_send_event(rxf, RXF_E_FW_RESP);
}
void
bna_bfi_rxf_ucast_set_rsp(struct bna_rxf *rxf,
struct bfi_msgq_mhdr *msghdr)
{
struct bfi_enet_rsp *rsp =
container_of(msghdr, struct bfi_enet_rsp, mh);
if (rsp->error) {
/* Clear ucast from cache */
rxf->ucast_active_set = 0;
}
bfa_fsm_send_event(rxf, RXF_E_FW_RESP);
}
void
bna_bfi_rxf_mcast_add_rsp(struct bna_rxf *rxf,
struct bfi_msgq_mhdr *msghdr)
{
struct bfi_enet_mcast_add_req *req =
&rxf->bfi_enet_cmd.mcast_add_req;
struct bfi_enet_mcast_add_rsp *rsp =
container_of(msghdr, struct bfi_enet_mcast_add_rsp, mh);
bna_rxf_mchandle_attach(rxf, (u8 *)&req->mac_addr,
ntohs(rsp->handle));
bfa_fsm_send_event(rxf, RXF_E_FW_RESP);
}
static void
bna_rxf_init(struct bna_rxf *rxf,
struct bna_rx *rx,
struct bna_rx_config *q_config,
struct bna_res_info *res_info)
{
rxf->rx = rx;
INIT_LIST_HEAD(&rxf->ucast_pending_add_q);
INIT_LIST_HEAD(&rxf->ucast_pending_del_q);
rxf->ucast_pending_set = 0;
rxf->ucast_active_set = 0;
INIT_LIST_HEAD(&rxf->ucast_active_q);
rxf->ucast_pending_mac = NULL;
INIT_LIST_HEAD(&rxf->mcast_pending_add_q);
INIT_LIST_HEAD(&rxf->mcast_pending_del_q);
INIT_LIST_HEAD(&rxf->mcast_active_q);
INIT_LIST_HEAD(&rxf->mcast_handle_q);
rxf->rit = (u8 *)
res_info[BNA_RX_RES_MEM_T_RIT].res_u.mem_info.mdl[0].kva;
bna_rit_init(rxf, q_config->num_paths);
rxf->rss_status = q_config->rss_status;
if (rxf->rss_status == BNA_STATUS_T_ENABLED) {
rxf->rss_cfg = q_config->rss_config;
rxf->rss_pending |= BNA_RSS_F_CFG_PENDING;
rxf->rss_pending |= BNA_RSS_F_RIT_PENDING;
rxf->rss_pending |= BNA_RSS_F_STATUS_PENDING;
}
rxf->vlan_filter_status = BNA_STATUS_T_DISABLED;
memset(rxf->vlan_filter_table, 0,
(sizeof(u32) * (BFI_ENET_VLAN_ID_MAX / 32)));
rxf->vlan_filter_table[0] |= 1; /* for pure priority tagged frames */
rxf->vlan_pending_bitmask = (u8)BFI_VLAN_BMASK_ALL;
rxf->vlan_strip_status = q_config->vlan_strip_status;
bfa_fsm_set_state(rxf, bna_rxf_sm_stopped);
}
static void
bna_rxf_uninit(struct bna_rxf *rxf)
{
struct bna_mac *mac;
rxf->ucast_pending_set = 0;
rxf->ucast_active_set = 0;
while (!list_empty(&rxf->ucast_pending_add_q)) {
mac = list_first_entry(&rxf->ucast_pending_add_q,
struct bna_mac, qe);
list_move_tail(&mac->qe, bna_ucam_mod_free_q(rxf->rx->bna));
}
if (rxf->ucast_pending_mac) {
list_add_tail(&rxf->ucast_pending_mac->qe,
bna_ucam_mod_free_q(rxf->rx->bna));
rxf->ucast_pending_mac = NULL;
}
while (!list_empty(&rxf->mcast_pending_add_q)) {
mac = list_first_entry(&rxf->mcast_pending_add_q,
struct bna_mac, qe);
list_move_tail(&mac->qe, bna_mcam_mod_free_q(rxf->rx->bna));
}
rxf->rxmode_pending = 0;
rxf->rxmode_pending_bitmask = 0;
if (rxf->rx->bna->promisc_rid == rxf->rx->rid)
rxf->rx->bna->promisc_rid = BFI_INVALID_RID;
if (rxf->rx->bna->default_mode_rid == rxf->rx->rid)
rxf->rx->bna->default_mode_rid = BFI_INVALID_RID;
rxf->rss_pending = 0;
rxf->vlan_strip_pending = false;
rxf->rx = NULL;
}
static void
bna_rx_cb_rxf_started(struct bna_rx *rx)
{
bfa_fsm_send_event(rx, RX_E_RXF_STARTED);
}
static void
bna_rxf_start(struct bna_rxf *rxf)
{
rxf->start_cbfn = bna_rx_cb_rxf_started;
rxf->start_cbarg = rxf->rx;
bfa_fsm_send_event(rxf, RXF_E_START);
}
static void
bna_rx_cb_rxf_stopped(struct bna_rx *rx)
{
bfa_fsm_send_event(rx, RX_E_RXF_STOPPED);
}
static void
bna_rxf_stop(struct bna_rxf *rxf)
{
rxf->stop_cbfn = bna_rx_cb_rxf_stopped;
rxf->stop_cbarg = rxf->rx;
bfa_fsm_send_event(rxf, RXF_E_STOP);
}
static void
bna_rxf_fail(struct bna_rxf *rxf)
{
bfa_fsm_send_event(rxf, RXF_E_FAIL);
}
enum bna_cb_status
bna_rx_ucast_set(struct bna_rx *rx, const u8 *ucmac)
{
struct bna_rxf *rxf = &rx->rxf;
if (rxf->ucast_pending_mac == NULL) {
rxf->ucast_pending_mac =
bna_cam_mod_mac_get(bna_ucam_mod_free_q(rxf->rx->bna));
if (rxf->ucast_pending_mac == NULL)
return BNA_CB_UCAST_CAM_FULL;
}
ether_addr_copy(rxf->ucast_pending_mac->addr, ucmac);
rxf->ucast_pending_set = 1;
rxf->cam_fltr_cbfn = NULL;
rxf->cam_fltr_cbarg = rx->bna->bnad;
bfa_fsm_send_event(rxf, RXF_E_CONFIG);
return BNA_CB_SUCCESS;
}
enum bna_cb_status
bna_rx_mcast_add(struct bna_rx *rx, const u8 *addr,
void (*cbfn)(struct bnad *, struct bna_rx *))
{
struct bna_rxf *rxf = &rx->rxf;
struct bna_mac *mac;
/* Check if already added or pending addition */
if (bna_mac_find(&rxf->mcast_active_q, addr) ||
bna_mac_find(&rxf->mcast_pending_add_q, addr)) {
if (cbfn)
cbfn(rx->bna->bnad, rx);
return BNA_CB_SUCCESS;
}
mac = bna_cam_mod_mac_get(bna_mcam_mod_free_q(rxf->rx->bna));
if (mac == NULL)
return BNA_CB_MCAST_LIST_FULL;
ether_addr_copy(mac->addr, addr);
list_add_tail(&mac->qe, &rxf->mcast_pending_add_q);
rxf->cam_fltr_cbfn = cbfn;
rxf->cam_fltr_cbarg = rx->bna->bnad;
bfa_fsm_send_event(rxf, RXF_E_CONFIG);
return BNA_CB_SUCCESS;
}
enum bna_cb_status
bna_rx_ucast_listset(struct bna_rx *rx, int count, const u8 *uclist)
{
struct bna_ucam_mod *ucam_mod = &rx->bna->ucam_mod;
struct bna_rxf *rxf = &rx->rxf;
struct list_head list_head;
const u8 *mcaddr;
struct bna_mac *mac, *del_mac;
int i;
/* Purge the pending_add_q */
while (!list_empty(&rxf->ucast_pending_add_q)) {
mac = list_first_entry(&rxf->ucast_pending_add_q,
struct bna_mac, qe);
list_move_tail(&mac->qe, &ucam_mod->free_q);
}
/* Schedule active_q entries for deletion */
while (!list_empty(&rxf->ucast_active_q)) {
mac = list_first_entry(&rxf->ucast_active_q,
struct bna_mac, qe);
del_mac = bna_cam_mod_mac_get(&ucam_mod->del_q);
ether_addr_copy(del_mac->addr, mac->addr);
del_mac->handle = mac->handle;
list_add_tail(&del_mac->qe, &rxf->ucast_pending_del_q);
list_move_tail(&mac->qe, &ucam_mod->free_q);
}
/* Allocate nodes */
INIT_LIST_HEAD(&list_head);
for (i = 0, mcaddr = uclist; i < count; i++) {
mac = bna_cam_mod_mac_get(&ucam_mod->free_q);
if (mac == NULL)
goto err_return;
ether_addr_copy(mac->addr, mcaddr);
list_add_tail(&mac->qe, &list_head);
mcaddr += ETH_ALEN;
}
/* Add the new entries */
while (!list_empty(&list_head)) {
mac = list_first_entry(&list_head, struct bna_mac, qe);
list_move_tail(&mac->qe, &rxf->ucast_pending_add_q);
}
bfa_fsm_send_event(rxf, RXF_E_CONFIG);
return BNA_CB_SUCCESS;
err_return:
while (!list_empty(&list_head)) {
mac = list_first_entry(&list_head, struct bna_mac, qe);
list_move_tail(&mac->qe, &ucam_mod->free_q);
}
return BNA_CB_UCAST_CAM_FULL;
}
enum bna_cb_status
bna_rx_mcast_listset(struct bna_rx *rx, int count, const u8 *mclist)
{
struct bna_mcam_mod *mcam_mod = &rx->bna->mcam_mod;
struct bna_rxf *rxf = &rx->rxf;
struct list_head list_head;
const u8 *mcaddr;
struct bna_mac *mac, *del_mac;
int i;
/* Purge the pending_add_q */
while (!list_empty(&rxf->mcast_pending_add_q)) {
mac = list_first_entry(&rxf->mcast_pending_add_q,
struct bna_mac, qe);
list_move_tail(&mac->qe, &mcam_mod->free_q);
}
/* Schedule active_q entries for deletion */
while (!list_empty(&rxf->mcast_active_q)) {
mac = list_first_entry(&rxf->mcast_active_q,
struct bna_mac, qe);
del_mac = bna_cam_mod_mac_get(&mcam_mod->del_q);
ether_addr_copy(del_mac->addr, mac->addr);
del_mac->handle = mac->handle;
list_add_tail(&del_mac->qe, &rxf->mcast_pending_del_q);
mac->handle = NULL;
list_move_tail(&mac->qe, &mcam_mod->free_q);
}
/* Allocate nodes */
INIT_LIST_HEAD(&list_head);
for (i = 0, mcaddr = mclist; i < count; i++) {
mac = bna_cam_mod_mac_get(&mcam_mod->free_q);
if (mac == NULL)
goto err_return;
ether_addr_copy(mac->addr, mcaddr);
list_add_tail(&mac->qe, &list_head);
mcaddr += ETH_ALEN;
}
/* Add the new entries */
while (!list_empty(&list_head)) {
mac = list_first_entry(&list_head, struct bna_mac, qe);
list_move_tail(&mac->qe, &rxf->mcast_pending_add_q);
}
bfa_fsm_send_event(rxf, RXF_E_CONFIG);
return BNA_CB_SUCCESS;
err_return:
while (!list_empty(&list_head)) {
mac = list_first_entry(&list_head, struct bna_mac, qe);
list_move_tail(&mac->qe, &mcam_mod->free_q);
}
return BNA_CB_MCAST_LIST_FULL;
}
void
bna_rx_mcast_delall(struct bna_rx *rx)
{
struct bna_rxf *rxf = &rx->rxf;
struct bna_mac *mac, *del_mac;
int need_hw_config = 0;
/* Purge all entries from pending_add_q */
while (!list_empty(&rxf->mcast_pending_add_q)) {
mac = list_first_entry(&rxf->mcast_pending_add_q,
struct bna_mac, qe);
list_move_tail(&mac->qe, bna_mcam_mod_free_q(rxf->rx->bna));
}
/* Schedule all entries in active_q for deletion */
while (!list_empty(&rxf->mcast_active_q)) {
mac = list_first_entry(&rxf->mcast_active_q,
struct bna_mac, qe);
list_del(&mac->qe);
del_mac = bna_cam_mod_mac_get(bna_mcam_mod_del_q(rxf->rx->bna));
memcpy(del_mac, mac, sizeof(*del_mac));
list_add_tail(&del_mac->qe, &rxf->mcast_pending_del_q);
mac->handle = NULL;
list_add_tail(&mac->qe, bna_mcam_mod_free_q(rxf->rx->bna));
need_hw_config = 1;
}
if (need_hw_config)
bfa_fsm_send_event(rxf, RXF_E_CONFIG);
}
void
bna_rx_vlan_add(struct bna_rx *rx, int vlan_id)
{
struct bna_rxf *rxf = &rx->rxf;
int index = (vlan_id >> BFI_VLAN_WORD_SHIFT);
int bit = BIT(vlan_id & BFI_VLAN_WORD_MASK);
int group_id = (vlan_id >> BFI_VLAN_BLOCK_SHIFT);
rxf->vlan_filter_table[index] |= bit;
if (rxf->vlan_filter_status == BNA_STATUS_T_ENABLED) {
rxf->vlan_pending_bitmask |= BIT(group_id);
bfa_fsm_send_event(rxf, RXF_E_CONFIG);
}
}
void
bna_rx_vlan_del(struct bna_rx *rx, int vlan_id)
{
struct bna_rxf *rxf = &rx->rxf;
int index = (vlan_id >> BFI_VLAN_WORD_SHIFT);
int bit = BIT(vlan_id & BFI_VLAN_WORD_MASK);
int group_id = (vlan_id >> BFI_VLAN_BLOCK_SHIFT);
rxf->vlan_filter_table[index] &= ~bit;
if (rxf->vlan_filter_status == BNA_STATUS_T_ENABLED) {
rxf->vlan_pending_bitmask |= BIT(group_id);
bfa_fsm_send_event(rxf, RXF_E_CONFIG);
}
}
static int
bna_rxf_ucast_cfg_apply(struct bna_rxf *rxf)
{
struct bna_mac *mac = NULL;
/* Delete MAC addresses previousely added */
if (!list_empty(&rxf->ucast_pending_del_q)) {
mac = list_first_entry(&rxf->ucast_pending_del_q,
struct bna_mac, qe);
bna_bfi_ucast_req(rxf, mac, BFI_ENET_H2I_MAC_UCAST_DEL_REQ);
list_move_tail(&mac->qe, bna_ucam_mod_del_q(rxf->rx->bna));
return 1;
}
/* Set default unicast MAC */
if (rxf->ucast_pending_set) {
rxf->ucast_pending_set = 0;
ether_addr_copy(rxf->ucast_active_mac.addr,
rxf->ucast_pending_mac->addr);
rxf->ucast_active_set = 1;
bna_bfi_ucast_req(rxf, &rxf->ucast_active_mac,
BFI_ENET_H2I_MAC_UCAST_SET_REQ);
return 1;
}
/* Add additional MAC entries */
if (!list_empty(&rxf->ucast_pending_add_q)) {
mac = list_first_entry(&rxf->ucast_pending_add_q,
struct bna_mac, qe);
list_add_tail(&mac->qe, &rxf->ucast_active_q);
bna_bfi_ucast_req(rxf, mac, BFI_ENET_H2I_MAC_UCAST_ADD_REQ);
return 1;
}
return 0;
}
static int
bna_rxf_ucast_cfg_reset(struct bna_rxf *rxf, enum bna_cleanup_type cleanup)
{
struct bna_mac *mac;
/* Throw away delete pending ucast entries */
while (!list_empty(&rxf->ucast_pending_del_q)) {
mac = list_first_entry(&rxf->ucast_pending_del_q,
struct bna_mac, qe);
if (cleanup == BNA_SOFT_CLEANUP)
list_move_tail(&mac->qe,
bna_ucam_mod_del_q(rxf->rx->bna));
else {
bna_bfi_ucast_req(rxf, mac,
BFI_ENET_H2I_MAC_UCAST_DEL_REQ);
list_move_tail(&mac->qe,
bna_ucam_mod_del_q(rxf->rx->bna));
return 1;
}
}
/* Move active ucast entries to pending_add_q */
while (!list_empty(&rxf->ucast_active_q)) {
mac = list_first_entry(&rxf->ucast_active_q,
struct bna_mac, qe);
list_move_tail(&mac->qe, &rxf->ucast_pending_add_q);
if (cleanup == BNA_HARD_CLEANUP) {
bna_bfi_ucast_req(rxf, mac,
BFI_ENET_H2I_MAC_UCAST_DEL_REQ);
return 1;
}
}
if (rxf->ucast_active_set) {
rxf->ucast_pending_set = 1;
rxf->ucast_active_set = 0;
if (cleanup == BNA_HARD_CLEANUP) {
bna_bfi_ucast_req(rxf, &rxf->ucast_active_mac,
BFI_ENET_H2I_MAC_UCAST_CLR_REQ);
return 1;
}
}
return 0;
}
static int
bna_rxf_promisc_cfg_apply(struct bna_rxf *rxf)
{
struct bna *bna = rxf->rx->bna;
/* Enable/disable promiscuous mode */
if (is_promisc_enable(rxf->rxmode_pending,
rxf->rxmode_pending_bitmask)) {
/* move promisc configuration from pending -> active */
promisc_inactive(rxf->rxmode_pending,
rxf->rxmode_pending_bitmask);
rxf->rxmode_active |= BNA_RXMODE_PROMISC;
bna_bfi_rx_promisc_req(rxf, BNA_STATUS_T_ENABLED);
return 1;
} else if (is_promisc_disable(rxf->rxmode_pending,
rxf->rxmode_pending_bitmask)) {
/* move promisc configuration from pending -> active */
promisc_inactive(rxf->rxmode_pending,
rxf->rxmode_pending_bitmask);
rxf->rxmode_active &= ~BNA_RXMODE_PROMISC;
bna->promisc_rid = BFI_INVALID_RID;
bna_bfi_rx_promisc_req(rxf, BNA_STATUS_T_DISABLED);
return 1;
}
return 0;
}
static int
bna_rxf_promisc_cfg_reset(struct bna_rxf *rxf, enum bna_cleanup_type cleanup)
{
struct bna *bna = rxf->rx->bna;
/* Clear pending promisc mode disable */
if (is_promisc_disable(rxf->rxmode_pending,
rxf->rxmode_pending_bitmask)) {
promisc_inactive(rxf->rxmode_pending,
rxf->rxmode_pending_bitmask);
rxf->rxmode_active &= ~BNA_RXMODE_PROMISC;
bna->promisc_rid = BFI_INVALID_RID;
if (cleanup == BNA_HARD_CLEANUP) {
bna_bfi_rx_promisc_req(rxf, BNA_STATUS_T_DISABLED);
return 1;
}
}
/* Move promisc mode config from active -> pending */
if (rxf->rxmode_active & BNA_RXMODE_PROMISC) {
promisc_enable(rxf->rxmode_pending,
rxf->rxmode_pending_bitmask);
rxf->rxmode_active &= ~BNA_RXMODE_PROMISC;
if (cleanup == BNA_HARD_CLEANUP) {
bna_bfi_rx_promisc_req(rxf, BNA_STATUS_T_DISABLED);
return 1;
}
}
return 0;
}
static int
bna_rxf_allmulti_cfg_apply(struct bna_rxf *rxf)
{
/* Enable/disable allmulti mode */
if (is_allmulti_enable(rxf->rxmode_pending,
rxf->rxmode_pending_bitmask)) {
/* move allmulti configuration from pending -> active */
allmulti_inactive(rxf->rxmode_pending,
rxf->rxmode_pending_bitmask);
rxf->rxmode_active |= BNA_RXMODE_ALLMULTI;
bna_bfi_mcast_filter_req(rxf, BNA_STATUS_T_DISABLED);
return 1;
} else if (is_allmulti_disable(rxf->rxmode_pending,
rxf->rxmode_pending_bitmask)) {
/* move allmulti configuration from pending -> active */
allmulti_inactive(rxf->rxmode_pending,
rxf->rxmode_pending_bitmask);
rxf->rxmode_active &= ~BNA_RXMODE_ALLMULTI;
bna_bfi_mcast_filter_req(rxf, BNA_STATUS_T_ENABLED);
return 1;
}
return 0;
}
static int
bna_rxf_allmulti_cfg_reset(struct bna_rxf *rxf, enum bna_cleanup_type cleanup)
{
/* Clear pending allmulti mode disable */
if (is_allmulti_disable(rxf->rxmode_pending,
rxf->rxmode_pending_bitmask)) {
allmulti_inactive(rxf->rxmode_pending,
rxf->rxmode_pending_bitmask);
rxf->rxmode_active &= ~BNA_RXMODE_ALLMULTI;
if (cleanup == BNA_HARD_CLEANUP) {
bna_bfi_mcast_filter_req(rxf, BNA_STATUS_T_ENABLED);
return 1;
}
}
/* Move allmulti mode config from active -> pending */
if (rxf->rxmode_active & BNA_RXMODE_ALLMULTI) {
allmulti_enable(rxf->rxmode_pending,
rxf->rxmode_pending_bitmask);
rxf->rxmode_active &= ~BNA_RXMODE_ALLMULTI;
if (cleanup == BNA_HARD_CLEANUP) {
bna_bfi_mcast_filter_req(rxf, BNA_STATUS_T_ENABLED);
return 1;
}
}
return 0;
}
static int
bna_rxf_promisc_enable(struct bna_rxf *rxf)
{
struct bna *bna = rxf->rx->bna;
int ret = 0;
if (is_promisc_enable(rxf->rxmode_pending,
rxf->rxmode_pending_bitmask) ||
(rxf->rxmode_active & BNA_RXMODE_PROMISC)) {
/* Do nothing if pending enable or already enabled */
} else if (is_promisc_disable(rxf->rxmode_pending,
rxf->rxmode_pending_bitmask)) {
/* Turn off pending disable command */
promisc_inactive(rxf->rxmode_pending,
rxf->rxmode_pending_bitmask);
} else {
/* Schedule enable */
promisc_enable(rxf->rxmode_pending,
rxf->rxmode_pending_bitmask);
bna->promisc_rid = rxf->rx->rid;
ret = 1;
}
return ret;
}
static int
bna_rxf_promisc_disable(struct bna_rxf *rxf)
{
struct bna *bna = rxf->rx->bna;
int ret = 0;
if (is_promisc_disable(rxf->rxmode_pending,
rxf->rxmode_pending_bitmask) ||
(!(rxf->rxmode_active & BNA_RXMODE_PROMISC))) {
/* Do nothing if pending disable or already disabled */
} else if (is_promisc_enable(rxf->rxmode_pending,
rxf->rxmode_pending_bitmask)) {
/* Turn off pending enable command */
promisc_inactive(rxf->rxmode_pending,
rxf->rxmode_pending_bitmask);
bna->promisc_rid = BFI_INVALID_RID;
} else if (rxf->rxmode_active & BNA_RXMODE_PROMISC) {
/* Schedule disable */
promisc_disable(rxf->rxmode_pending,
rxf->rxmode_pending_bitmask);
ret = 1;
}
return ret;
}
static int
bna_rxf_allmulti_enable(struct bna_rxf *rxf)
{
int ret = 0;
if (is_allmulti_enable(rxf->rxmode_pending,
rxf->rxmode_pending_bitmask) ||
(rxf->rxmode_active & BNA_RXMODE_ALLMULTI)) {
/* Do nothing if pending enable or already enabled */
} else if (is_allmulti_disable(rxf->rxmode_pending,
rxf->rxmode_pending_bitmask)) {
/* Turn off pending disable command */
allmulti_inactive(rxf->rxmode_pending,
rxf->rxmode_pending_bitmask);
} else {
/* Schedule enable */
allmulti_enable(rxf->rxmode_pending,
rxf->rxmode_pending_bitmask);
ret = 1;
}
return ret;
}
static int
bna_rxf_allmulti_disable(struct bna_rxf *rxf)
{
int ret = 0;
if (is_allmulti_disable(rxf->rxmode_pending,
rxf->rxmode_pending_bitmask) ||
(!(rxf->rxmode_active & BNA_RXMODE_ALLMULTI))) {
/* Do nothing if pending disable or already disabled */
} else if (is_allmulti_enable(rxf->rxmode_pending,
rxf->rxmode_pending_bitmask)) {
/* Turn off pending enable command */
allmulti_inactive(rxf->rxmode_pending,
rxf->rxmode_pending_bitmask);
} else if (rxf->rxmode_active & BNA_RXMODE_ALLMULTI) {
/* Schedule disable */
allmulti_disable(rxf->rxmode_pending,
rxf->rxmode_pending_bitmask);
ret = 1;
}
return ret;
}
static int
bna_rxf_vlan_strip_cfg_apply(struct bna_rxf *rxf)
{
if (rxf->vlan_strip_pending) {
rxf->vlan_strip_pending = false;
bna_bfi_vlan_strip_enable(rxf);
return 1;
}
return 0;
}
/* RX */
#define BNA_GET_RXQS(qcfg) (((qcfg)->rxp_type == BNA_RXP_SINGLE) ? \
(qcfg)->num_paths : ((qcfg)->num_paths * 2))
#define SIZE_TO_PAGES(size) (((size) >> PAGE_SHIFT) + ((((size) &\
(PAGE_SIZE - 1)) + (PAGE_SIZE - 1)) >> PAGE_SHIFT))
#define call_rx_stop_cbfn(rx) \
do { \
if ((rx)->stop_cbfn) { \
void (*cbfn)(void *, struct bna_rx *); \
void *cbarg; \
cbfn = (rx)->stop_cbfn; \
cbarg = (rx)->stop_cbarg; \
(rx)->stop_cbfn = NULL; \
(rx)->stop_cbarg = NULL; \
cbfn(cbarg, rx); \
} \
} while (0)
#define call_rx_stall_cbfn(rx) \
do { \
if ((rx)->rx_stall_cbfn) \
(rx)->rx_stall_cbfn((rx)->bna->bnad, (rx)); \
} while (0)
#define bfi_enet_datapath_q_init(bfi_q, bna_qpt) \
do { \
struct bna_dma_addr cur_q_addr = \
*((struct bna_dma_addr *)((bna_qpt)->kv_qpt_ptr)); \
(bfi_q)->pg_tbl.a32.addr_lo = (bna_qpt)->hw_qpt_ptr.lsb; \
(bfi_q)->pg_tbl.a32.addr_hi = (bna_qpt)->hw_qpt_ptr.msb; \
(bfi_q)->first_entry.a32.addr_lo = cur_q_addr.lsb; \
(bfi_q)->first_entry.a32.addr_hi = cur_q_addr.msb; \
(bfi_q)->pages = htons((u16)(bna_qpt)->page_count); \
(bfi_q)->page_sz = htons((u16)(bna_qpt)->page_size);\
} while (0)
static void bna_bfi_rx_enet_start(struct bna_rx *rx);
static void bna_rx_enet_stop(struct bna_rx *rx);
static void bna_rx_mod_cb_rx_stopped(void *arg, struct bna_rx *rx);
bfa_fsm_state_decl(bna_rx, stopped,
struct bna_rx, enum bna_rx_event);
bfa_fsm_state_decl(bna_rx, start_wait,
struct bna_rx, enum bna_rx_event);
bfa_fsm_state_decl(bna_rx, start_stop_wait,
struct bna_rx, enum bna_rx_event);
bfa_fsm_state_decl(bna_rx, rxf_start_wait,
struct bna_rx, enum bna_rx_event);
bfa_fsm_state_decl(bna_rx, started,
struct bna_rx, enum bna_rx_event);
bfa_fsm_state_decl(bna_rx, rxf_stop_wait,
struct bna_rx, enum bna_rx_event);
bfa_fsm_state_decl(bna_rx, stop_wait,
struct bna_rx, enum bna_rx_event);
bfa_fsm_state_decl(bna_rx, cleanup_wait,
struct bna_rx, enum bna_rx_event);
bfa_fsm_state_decl(bna_rx, failed,
struct bna_rx, enum bna_rx_event);
bfa_fsm_state_decl(bna_rx, quiesce_wait,
struct bna_rx, enum bna_rx_event);
static void bna_rx_sm_stopped_entry(struct bna_rx *rx)
{
call_rx_stop_cbfn(rx);
}
static void bna_rx_sm_stopped(struct bna_rx *rx,
enum bna_rx_event event)
{
switch (event) {
case RX_E_START:
bfa_fsm_set_state(rx, bna_rx_sm_start_wait);
break;
case RX_E_STOP:
call_rx_stop_cbfn(rx);
break;
case RX_E_FAIL:
/* no-op */
break;
default:
bfa_sm_fault(event);
break;
}
}
static void bna_rx_sm_start_wait_entry(struct bna_rx *rx)
{
bna_bfi_rx_enet_start(rx);
}
static void
bna_rx_sm_stop_wait_entry(struct bna_rx *rx)
{
}
static void
bna_rx_sm_stop_wait(struct bna_rx *rx, enum bna_rx_event event)
{
switch (event) {
case RX_E_FAIL:
case RX_E_STOPPED:
bfa_fsm_set_state(rx, bna_rx_sm_cleanup_wait);
rx->rx_cleanup_cbfn(rx->bna->bnad, rx);
break;
case RX_E_STARTED:
bna_rx_enet_stop(rx);
break;
default:
bfa_sm_fault(event);
break;
}
}
static void bna_rx_sm_start_wait(struct bna_rx *rx,
enum bna_rx_event event)
{
switch (event) {
case RX_E_STOP:
bfa_fsm_set_state(rx, bna_rx_sm_start_stop_wait);
break;
case RX_E_FAIL:
bfa_fsm_set_state(rx, bna_rx_sm_stopped);
break;
case RX_E_STARTED:
bfa_fsm_set_state(rx, bna_rx_sm_rxf_start_wait);
break;
default:
bfa_sm_fault(event);
break;
}
}
static void bna_rx_sm_rxf_start_wait_entry(struct bna_rx *rx)
{
rx->rx_post_cbfn(rx->bna->bnad, rx);
bna_rxf_start(&rx->rxf);
}
static void
bna_rx_sm_rxf_stop_wait_entry(struct bna_rx *rx)
{
}
static void
bna_rx_sm_rxf_stop_wait(struct bna_rx *rx, enum bna_rx_event event)
{
switch (event) {
case RX_E_FAIL:
bfa_fsm_set_state(rx, bna_rx_sm_cleanup_wait);
bna_rxf_fail(&rx->rxf);
call_rx_stall_cbfn(rx);
rx->rx_cleanup_cbfn(rx->bna->bnad, rx);
break;
case RX_E_RXF_STARTED:
bna_rxf_stop(&rx->rxf);
break;
case RX_E_RXF_STOPPED:
bfa_fsm_set_state(rx, bna_rx_sm_stop_wait);
call_rx_stall_cbfn(rx);
bna_rx_enet_stop(rx);
break;
default:
bfa_sm_fault(event);
break;
}
}
static void
bna_rx_sm_start_stop_wait_entry(struct bna_rx *rx)
{
}
static void
bna_rx_sm_start_stop_wait(struct bna_rx *rx, enum bna_rx_event event)
{
switch (event) {
case RX_E_FAIL:
case RX_E_STOPPED:
bfa_fsm_set_state(rx, bna_rx_sm_stopped);
break;
case RX_E_STARTED:
bna_rx_enet_stop(rx);
break;
default:
bfa_sm_fault(event);
}
}
static void
bna_rx_sm_started_entry(struct bna_rx *rx)
{
struct bna_rxp *rxp;
int is_regular = (rx->type == BNA_RX_T_REGULAR);
/* Start IB */
list_for_each_entry(rxp, &rx->rxp_q, qe)
bna_ib_start(rx->bna, &rxp->cq.ib, is_regular);
bna_ethport_cb_rx_started(&rx->bna->ethport);
}
static void
bna_rx_sm_started(struct bna_rx *rx, enum bna_rx_event event)
{
switch (event) {
case RX_E_STOP:
bfa_fsm_set_state(rx, bna_rx_sm_rxf_stop_wait);
bna_ethport_cb_rx_stopped(&rx->bna->ethport);
bna_rxf_stop(&rx->rxf);
break;
case RX_E_FAIL:
bfa_fsm_set_state(rx, bna_rx_sm_failed);
bna_ethport_cb_rx_stopped(&rx->bna->ethport);
bna_rxf_fail(&rx->rxf);
call_rx_stall_cbfn(rx);
rx->rx_cleanup_cbfn(rx->bna->bnad, rx);
break;
default:
bfa_sm_fault(event);
break;
}
}
static void bna_rx_sm_rxf_start_wait(struct bna_rx *rx,
enum bna_rx_event event)
{
switch (event) {
case RX_E_STOP:
bfa_fsm_set_state(rx, bna_rx_sm_rxf_stop_wait);
break;
case RX_E_FAIL:
bfa_fsm_set_state(rx, bna_rx_sm_failed);
bna_rxf_fail(&rx->rxf);
call_rx_stall_cbfn(rx);
rx->rx_cleanup_cbfn(rx->bna->bnad, rx);
break;
case RX_E_RXF_STARTED:
bfa_fsm_set_state(rx, bna_rx_sm_started);
break;
default:
bfa_sm_fault(event);
break;
}
}
static void
bna_rx_sm_cleanup_wait_entry(struct bna_rx *rx)
{
}
static void
bna_rx_sm_cleanup_wait(struct bna_rx *rx, enum bna_rx_event event)
{
switch (event) {
case RX_E_FAIL:
case RX_E_RXF_STOPPED:
/* No-op */
break;
case RX_E_CLEANUP_DONE:
bfa_fsm_set_state(rx, bna_rx_sm_stopped);
break;
default:
bfa_sm_fault(event);
break;
}
}
static void
bna_rx_sm_failed_entry(struct bna_rx *rx)
{
}
static void
bna_rx_sm_failed(struct bna_rx *rx, enum bna_rx_event event)
{
switch (event) {
case RX_E_START:
bfa_fsm_set_state(rx, bna_rx_sm_quiesce_wait);
break;
case RX_E_STOP:
bfa_fsm_set_state(rx, bna_rx_sm_cleanup_wait);
break;
case RX_E_FAIL:
case RX_E_RXF_STARTED:
case RX_E_RXF_STOPPED:
/* No-op */
break;
case RX_E_CLEANUP_DONE:
bfa_fsm_set_state(rx, bna_rx_sm_stopped);
break;
default:
bfa_sm_fault(event);
break;
} }
static void
bna_rx_sm_quiesce_wait_entry(struct bna_rx *rx)
{
}
static void
bna_rx_sm_quiesce_wait(struct bna_rx *rx, enum bna_rx_event event)
{
switch (event) {
case RX_E_STOP:
bfa_fsm_set_state(rx, bna_rx_sm_cleanup_wait);
break;
case RX_E_FAIL:
bfa_fsm_set_state(rx, bna_rx_sm_failed);
break;
case RX_E_CLEANUP_DONE:
bfa_fsm_set_state(rx, bna_rx_sm_start_wait);
break;
default:
bfa_sm_fault(event);
break;
}
}
static void
bna_bfi_rx_enet_start(struct bna_rx *rx)
{
struct bfi_enet_rx_cfg_req *cfg_req = &rx->bfi_enet_cmd.cfg_req;
struct bna_rxp *rxp = NULL;
struct bna_rxq *q0 = NULL, *q1 = NULL;
int i;
bfi_msgq_mhdr_set(cfg_req->mh, BFI_MC_ENET,
BFI_ENET_H2I_RX_CFG_SET_REQ, 0, rx->rid);
cfg_req->mh.num_entries = htons(
bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_rx_cfg_req)));
cfg_req->rx_cfg.frame_size = bna_enet_mtu_get(&rx->bna->enet);
cfg_req->num_queue_sets = rx->num_paths;
for (i = 0; i < rx->num_paths; i++) {
rxp = rxp ? list_next_entry(rxp, qe)
: list_first_entry(&rx->rxp_q, struct bna_rxp, qe);
GET_RXQS(rxp, q0, q1);
switch (rxp->type) {
case BNA_RXP_SLR:
case BNA_RXP_HDS:
/* Small RxQ */
bfi_enet_datapath_q_init(&cfg_req->q_cfg[i].qs.q,
&q1->qpt);
cfg_req->q_cfg[i].qs.rx_buffer_size =
htons((u16)q1->buffer_size);
/* Fall through */
case BNA_RXP_SINGLE:
/* Large/Single RxQ */
bfi_enet_datapath_q_init(&cfg_req->q_cfg[i].ql.q,
&q0->qpt);
if (q0->multi_buffer)
/* multi-buffer is enabled by allocating
* a new rx with new set of resources.
* q0->buffer_size should be initialized to
* fragment size.
*/
cfg_req->rx_cfg.multi_buffer =
BNA_STATUS_T_ENABLED;
else
q0->buffer_size =
bna_enet_mtu_get(&rx->bna->enet);
cfg_req->q_cfg[i].ql.rx_buffer_size =
htons((u16)q0->buffer_size);
break;
default:
BUG_ON(1);
}
bfi_enet_datapath_q_init(&cfg_req->q_cfg[i].cq.q,
&rxp->cq.qpt);
cfg_req->q_cfg[i].ib.index_addr.a32.addr_lo =
rxp->cq.ib.ib_seg_host_addr.lsb;
cfg_req->q_cfg[i].ib.index_addr.a32.addr_hi =
rxp->cq.ib.ib_seg_host_addr.msb;
cfg_req->q_cfg[i].ib.intr.msix_index =
htons((u16)rxp->cq.ib.intr_vector);
}
cfg_req->ib_cfg.int_pkt_dma = BNA_STATUS_T_DISABLED;
cfg_req->ib_cfg.int_enabled = BNA_STATUS_T_ENABLED;
cfg_req->ib_cfg.int_pkt_enabled = BNA_STATUS_T_DISABLED;
cfg_req->ib_cfg.continuous_coalescing = BNA_STATUS_T_DISABLED;
cfg_req->ib_cfg.msix = (rxp->cq.ib.intr_type == BNA_INTR_T_MSIX)
? BNA_STATUS_T_ENABLED :
BNA_STATUS_T_DISABLED;
cfg_req->ib_cfg.coalescing_timeout =
htonl((u32)rxp->cq.ib.coalescing_timeo);
cfg_req->ib_cfg.inter_pkt_timeout =
htonl((u32)rxp->cq.ib.interpkt_timeo);
cfg_req->ib_cfg.inter_pkt_count = (u8)rxp->cq.ib.interpkt_count;
switch (rxp->type) {
case BNA_RXP_SLR:
cfg_req->rx_cfg.rxq_type = BFI_ENET_RXQ_LARGE_SMALL;
break;
case BNA_RXP_HDS:
cfg_req->rx_cfg.rxq_type = BFI_ENET_RXQ_HDS;
cfg_req->rx_cfg.hds.type = rx->hds_cfg.hdr_type;
cfg_req->rx_cfg.hds.force_offset = rx->hds_cfg.forced_offset;
cfg_req->rx_cfg.hds.max_header_size = rx->hds_cfg.forced_offset;
break;
case BNA_RXP_SINGLE:
cfg_req->rx_cfg.rxq_type = BFI_ENET_RXQ_SINGLE;
break;
default:
BUG_ON(1);
}
cfg_req->rx_cfg.strip_vlan = rx->rxf.vlan_strip_status;
bfa_msgq_cmd_set(&rx->msgq_cmd, NULL, NULL,
sizeof(struct bfi_enet_rx_cfg_req), &cfg_req->mh);
bfa_msgq_cmd_post(&rx->bna->msgq, &rx->msgq_cmd);
}
static void
bna_bfi_rx_enet_stop(struct bna_rx *rx)
{
struct bfi_enet_req *req = &rx->bfi_enet_cmd.req;
bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET,
BFI_ENET_H2I_RX_CFG_CLR_REQ, 0, rx->rid);
req->mh.num_entries = htons(
bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_req)));
bfa_msgq_cmd_set(&rx->msgq_cmd, NULL, NULL, sizeof(struct bfi_enet_req),
&req->mh);
bfa_msgq_cmd_post(&rx->bna->msgq, &rx->msgq_cmd);
}
static void
bna_rx_enet_stop(struct bna_rx *rx)
{
struct bna_rxp *rxp;
/* Stop IB */
list_for_each_entry(rxp, &rx->rxp_q, qe)
bna_ib_stop(rx->bna, &rxp->cq.ib);
bna_bfi_rx_enet_stop(rx);
}
static int
bna_rx_res_check(struct bna_rx_mod *rx_mod, struct bna_rx_config *rx_cfg)
{
if ((rx_mod->rx_free_count == 0) ||
(rx_mod->rxp_free_count == 0) ||
(rx_mod->rxq_free_count == 0))
return 0;
if (rx_cfg->rxp_type == BNA_RXP_SINGLE) {
if ((rx_mod->rxp_free_count < rx_cfg->num_paths) ||
(rx_mod->rxq_free_count < rx_cfg->num_paths))
return 0;
} else {
if ((rx_mod->rxp_free_count < rx_cfg->num_paths) ||
(rx_mod->rxq_free_count < (2 * rx_cfg->num_paths)))
return 0;
}
return 1;
}
static struct bna_rxq *
bna_rxq_get(struct bna_rx_mod *rx_mod)
{
struct bna_rxq *rxq = NULL;
rxq = list_first_entry(&rx_mod->rxq_free_q, struct bna_rxq, qe);
list_del(&rxq->qe);
rx_mod->rxq_free_count--;
return rxq;
}
static void
bna_rxq_put(struct bna_rx_mod *rx_mod, struct bna_rxq *rxq)
{
list_add_tail(&rxq->qe, &rx_mod->rxq_free_q);
rx_mod->rxq_free_count++;
}
static struct bna_rxp *
bna_rxp_get(struct bna_rx_mod *rx_mod)
{
struct bna_rxp *rxp = NULL;
rxp = list_first_entry(&rx_mod->rxp_free_q, struct bna_rxp, qe);
list_del(&rxp->qe);
rx_mod->rxp_free_count--;
return rxp;
}
static void
bna_rxp_put(struct bna_rx_mod *rx_mod, struct bna_rxp *rxp)
{
list_add_tail(&rxp->qe, &rx_mod->rxp_free_q);
rx_mod->rxp_free_count++;
}
static struct bna_rx *
bna_rx_get(struct bna_rx_mod *rx_mod, enum bna_rx_type type)
{
struct bna_rx *rx = NULL;
BUG_ON(list_empty(&rx_mod->rx_free_q));
if (type == BNA_RX_T_REGULAR)
rx = list_first_entry(&rx_mod->rx_free_q, struct bna_rx, qe);
else
rx = list_last_entry(&rx_mod->rx_free_q, struct bna_rx, qe);
rx_mod->rx_free_count--;
list_move_tail(&rx->qe, &rx_mod->rx_active_q);
rx->type = type;
return rx;
}
static void
bna_rx_put(struct bna_rx_mod *rx_mod, struct bna_rx *rx)
{
struct list_head *qe;
list_for_each_prev(qe, &rx_mod->rx_free_q)
if (((struct bna_rx *)qe)->rid < rx->rid)
break;
list_add(&rx->qe, qe);
rx_mod->rx_free_count++;
}
static void
bna_rxp_add_rxqs(struct bna_rxp *rxp, struct bna_rxq *q0,
struct bna_rxq *q1)
{
switch (rxp->type) {
case BNA_RXP_SINGLE:
rxp->rxq.single.only = q0;
rxp->rxq.single.reserved = NULL;
break;
case BNA_RXP_SLR:
rxp->rxq.slr.large = q0;
rxp->rxq.slr.small = q1;
break;
case BNA_RXP_HDS:
rxp->rxq.hds.data = q0;
rxp->rxq.hds.hdr = q1;
break;
default:
break;
}
}
static void
bna_rxq_qpt_setup(struct bna_rxq *rxq,
struct bna_rxp *rxp,
u32 page_count,
u32 page_size,
struct bna_mem_descr *qpt_mem,
struct bna_mem_descr *swqpt_mem,
struct bna_mem_descr *page_mem)
{
u8 *kva;
u64 dma;
struct bna_dma_addr bna_dma;
int i;
rxq->qpt.hw_qpt_ptr.lsb = qpt_mem->dma.lsb;
rxq->qpt.hw_qpt_ptr.msb = qpt_mem->dma.msb;
rxq->qpt.kv_qpt_ptr = qpt_mem->kva;
rxq->qpt.page_count = page_count;
rxq->qpt.page_size = page_size;
rxq->rcb->sw_qpt = (void **) swqpt_mem->kva;
rxq->rcb->sw_q = page_mem->kva;
kva = page_mem->kva;
BNA_GET_DMA_ADDR(&page_mem->dma, dma);
for (i = 0; i < rxq->qpt.page_count; i++) {
rxq->rcb->sw_qpt[i] = kva;
kva += PAGE_SIZE;
BNA_SET_DMA_ADDR(dma, &bna_dma);
((struct bna_dma_addr *)rxq->qpt.kv_qpt_ptr)[i].lsb =
bna_dma.lsb;
((struct bna_dma_addr *)rxq->qpt.kv_qpt_ptr)[i].msb =
bna_dma.msb;
dma += PAGE_SIZE;
}
}
static void
bna_rxp_cqpt_setup(struct bna_rxp *rxp,
u32 page_count,
u32 page_size,
struct bna_mem_descr *qpt_mem,
struct bna_mem_descr *swqpt_mem,
struct bna_mem_descr *page_mem)
{
u8 *kva;
u64 dma;
struct bna_dma_addr bna_dma;
int i;
rxp->cq.qpt.hw_qpt_ptr.lsb = qpt_mem->dma.lsb;
rxp->cq.qpt.hw_qpt_ptr.msb = qpt_mem->dma.msb;
rxp->cq.qpt.kv_qpt_ptr = qpt_mem->kva;
rxp->cq.qpt.page_count = page_count;
rxp->cq.qpt.page_size = page_size;
rxp->cq.ccb->sw_qpt = (void **) swqpt_mem->kva;
rxp->cq.ccb->sw_q = page_mem->kva;
kva = page_mem->kva;
BNA_GET_DMA_ADDR(&page_mem->dma, dma);
for (i = 0; i < rxp->cq.qpt.page_count; i++) {
rxp->cq.ccb->sw_qpt[i] = kva;
kva += PAGE_SIZE;
BNA_SET_DMA_ADDR(dma, &bna_dma);
((struct bna_dma_addr *)rxp->cq.qpt.kv_qpt_ptr)[i].lsb =
bna_dma.lsb;
((struct bna_dma_addr *)rxp->cq.qpt.kv_qpt_ptr)[i].msb =
bna_dma.msb;
dma += PAGE_SIZE;
}
}
static void
bna_rx_mod_cb_rx_stopped(void *arg, struct bna_rx *rx)
{
struct bna_rx_mod *rx_mod = (struct bna_rx_mod *)arg;
bfa_wc_down(&rx_mod->rx_stop_wc);
}
static void
bna_rx_mod_cb_rx_stopped_all(void *arg)
{
struct bna_rx_mod *rx_mod = (struct bna_rx_mod *)arg;
if (rx_mod->stop_cbfn)
rx_mod->stop_cbfn(&rx_mod->bna->enet);
rx_mod->stop_cbfn = NULL;
}
static void
bna_rx_start(struct bna_rx *rx)
{
rx->rx_flags |= BNA_RX_F_ENET_STARTED;
if (rx->rx_flags & BNA_RX_F_ENABLED)
bfa_fsm_send_event(rx, RX_E_START);
}
static void
bna_rx_stop(struct bna_rx *rx)
{
rx->rx_flags &= ~BNA_RX_F_ENET_STARTED;
if (rx->fsm == (bfa_fsm_t) bna_rx_sm_stopped)
bna_rx_mod_cb_rx_stopped(&rx->bna->rx_mod, rx);
else {
rx->stop_cbfn = bna_rx_mod_cb_rx_stopped;
rx->stop_cbarg = &rx->bna->rx_mod;
bfa_fsm_send_event(rx, RX_E_STOP);
}
}
static void
bna_rx_fail(struct bna_rx *rx)
{
/* Indicate Enet is not enabled, and failed */
rx->rx_flags &= ~BNA_RX_F_ENET_STARTED;
bfa_fsm_send_event(rx, RX_E_FAIL);
}
void
bna_rx_mod_start(struct bna_rx_mod *rx_mod, enum bna_rx_type type)
{
struct bna_rx *rx;
rx_mod->flags |= BNA_RX_MOD_F_ENET_STARTED;
if (type == BNA_RX_T_LOOPBACK)
rx_mod->flags |= BNA_RX_MOD_F_ENET_LOOPBACK;
list_for_each_entry(rx, &rx_mod->rx_active_q, qe)
if (rx->type == type)
bna_rx_start(rx);
}
void
bna_rx_mod_stop(struct bna_rx_mod *rx_mod, enum bna_rx_type type)
{
struct bna_rx *rx;
rx_mod->flags &= ~BNA_RX_MOD_F_ENET_STARTED;
rx_mod->flags &= ~BNA_RX_MOD_F_ENET_LOOPBACK;
rx_mod->stop_cbfn = bna_enet_cb_rx_stopped;
bfa_wc_init(&rx_mod->rx_stop_wc, bna_rx_mod_cb_rx_stopped_all, rx_mod);
list_for_each_entry(rx, &rx_mod->rx_active_q, qe)
if (rx->type == type) {
bfa_wc_up(&rx_mod->rx_stop_wc);
bna_rx_stop(rx);
}
bfa_wc_wait(&rx_mod->rx_stop_wc);
}
void
bna_rx_mod_fail(struct bna_rx_mod *rx_mod)
{
struct bna_rx *rx;
rx_mod->flags &= ~BNA_RX_MOD_F_ENET_STARTED;
rx_mod->flags &= ~BNA_RX_MOD_F_ENET_LOOPBACK;
list_for_each_entry(rx, &rx_mod->rx_active_q, qe)
bna_rx_fail(rx);
}
void bna_rx_mod_init(struct bna_rx_mod *rx_mod, struct bna *bna,
struct bna_res_info *res_info)
{
int index;
struct bna_rx *rx_ptr;
struct bna_rxp *rxp_ptr;
struct bna_rxq *rxq_ptr;
rx_mod->bna = bna;
rx_mod->flags = 0;
rx_mod->rx = (struct bna_rx *)
res_info[BNA_MOD_RES_MEM_T_RX_ARRAY].res_u.mem_info.mdl[0].kva;
rx_mod->rxp = (struct bna_rxp *)
res_info[BNA_MOD_RES_MEM_T_RXP_ARRAY].res_u.mem_info.mdl[0].kva;
rx_mod->rxq = (struct bna_rxq *)
res_info[BNA_MOD_RES_MEM_T_RXQ_ARRAY].res_u.mem_info.mdl[0].kva;
/* Initialize the queues */
INIT_LIST_HEAD(&rx_mod->rx_free_q);
rx_mod->rx_free_count = 0;
INIT_LIST_HEAD(&rx_mod->rxq_free_q);
rx_mod->rxq_free_count = 0;
INIT_LIST_HEAD(&rx_mod->rxp_free_q);
rx_mod->rxp_free_count = 0;
INIT_LIST_HEAD(&rx_mod->rx_active_q);
/* Build RX queues */
for (index = 0; index < bna->ioceth.attr.num_rxp; index++) {
rx_ptr = &rx_mod->rx[index];
INIT_LIST_HEAD(&rx_ptr->rxp_q);
rx_ptr->bna = NULL;
rx_ptr->rid = index;
rx_ptr->stop_cbfn = NULL;
rx_ptr->stop_cbarg = NULL;
list_add_tail(&rx_ptr->qe, &rx_mod->rx_free_q);
rx_mod->rx_free_count++;
}
/* build RX-path queue */
for (index = 0; index < bna->ioceth.attr.num_rxp; index++) {
rxp_ptr = &rx_mod->rxp[index];
list_add_tail(&rxp_ptr->qe, &rx_mod->rxp_free_q);
rx_mod->rxp_free_count++;
}
/* build RXQ queue */
for (index = 0; index < (bna->ioceth.attr.num_rxp * 2); index++) {
rxq_ptr = &rx_mod->rxq[index];
list_add_tail(&rxq_ptr->qe, &rx_mod->rxq_free_q);
rx_mod->rxq_free_count++;
}
}
void
bna_rx_mod_uninit(struct bna_rx_mod *rx_mod)
{
rx_mod->bna = NULL;
}
void
bna_bfi_rx_enet_start_rsp(struct bna_rx *rx, struct bfi_msgq_mhdr *msghdr)
{
struct bfi_enet_rx_cfg_rsp *cfg_rsp = &rx->bfi_enet_cmd.cfg_rsp;
struct bna_rxp *rxp = NULL;
struct bna_rxq *q0 = NULL, *q1 = NULL;
int i;
bfa_msgq_rsp_copy(&rx->bna->msgq, (u8 *)cfg_rsp,
sizeof(struct bfi_enet_rx_cfg_rsp));
rx->hw_id = cfg_rsp->hw_id;
for (i = 0, rxp = list_first_entry(&rx->rxp_q, struct bna_rxp, qe);
i < rx->num_paths; i++, rxp = list_next_entry(rxp, qe)) {
GET_RXQS(rxp, q0, q1);
/* Setup doorbells */
rxp->cq.ccb->i_dbell->doorbell_addr =
rx->bna->pcidev.pci_bar_kva
+ ntohl(cfg_rsp->q_handles[i].i_dbell);
rxp->hw_id = cfg_rsp->q_handles[i].hw_cqid;
q0->rcb->q_dbell =
rx->bna->pcidev.pci_bar_kva
+ ntohl(cfg_rsp->q_handles[i].ql_dbell);
q0->hw_id = cfg_rsp->q_handles[i].hw_lqid;
if (q1) {
q1->rcb->q_dbell =
rx->bna->pcidev.pci_bar_kva
+ ntohl(cfg_rsp->q_handles[i].qs_dbell);
q1->hw_id = cfg_rsp->q_handles[i].hw_sqid;
}
/* Initialize producer/consumer indexes */
(*rxp->cq.ccb->hw_producer_index) = 0;
rxp->cq.ccb->producer_index = 0;
q0->rcb->producer_index = q0->rcb->consumer_index = 0;
if (q1)
q1->rcb->producer_index = q1->rcb->consumer_index = 0;
}
bfa_fsm_send_event(rx, RX_E_STARTED);
}
void
bna_bfi_rx_enet_stop_rsp(struct bna_rx *rx, struct bfi_msgq_mhdr *msghdr)
{
bfa_fsm_send_event(rx, RX_E_STOPPED);
}
void
bna_rx_res_req(struct bna_rx_config *q_cfg, struct bna_res_info *res_info)
{
u32 cq_size, hq_size, dq_size;
u32 cpage_count, hpage_count, dpage_count;
struct bna_mem_info *mem_info;
u32 cq_depth;
u32 hq_depth;
u32 dq_depth;
dq_depth = q_cfg->q0_depth;
hq_depth = ((q_cfg->rxp_type == BNA_RXP_SINGLE) ? 0 : q_cfg->q1_depth);
cq_depth = roundup_pow_of_two(dq_depth + hq_depth);
cq_size = cq_depth * BFI_CQ_WI_SIZE;
cq_size = ALIGN(cq_size, PAGE_SIZE);
cpage_count = SIZE_TO_PAGES(cq_size);
dq_depth = roundup_pow_of_two(dq_depth);
dq_size = dq_depth * BFI_RXQ_WI_SIZE;
dq_size = ALIGN(dq_size, PAGE_SIZE);
dpage_count = SIZE_TO_PAGES(dq_size);
if (BNA_RXP_SINGLE != q_cfg->rxp_type) {
hq_depth = roundup_pow_of_two(hq_depth);
hq_size = hq_depth * BFI_RXQ_WI_SIZE;
hq_size = ALIGN(hq_size, PAGE_SIZE);
hpage_count = SIZE_TO_PAGES(hq_size);
} else
hpage_count = 0;
res_info[BNA_RX_RES_MEM_T_CCB].res_type = BNA_RES_T_MEM;
mem_info = &res_info[BNA_RX_RES_MEM_T_CCB].res_u.mem_info;
mem_info->mem_type = BNA_MEM_T_KVA;
mem_info->len = sizeof(struct bna_ccb);
mem_info->num = q_cfg->num_paths;
res_info[BNA_RX_RES_MEM_T_RCB].res_type = BNA_RES_T_MEM;
mem_info = &res_info[BNA_RX_RES_MEM_T_RCB].res_u.mem_info;
mem_info->mem_type = BNA_MEM_T_KVA;
mem_info->len = sizeof(struct bna_rcb);
mem_info->num = BNA_GET_RXQS(q_cfg);
res_info[BNA_RX_RES_MEM_T_CQPT].res_type = BNA_RES_T_MEM;
mem_info = &res_info[BNA_RX_RES_MEM_T_CQPT].res_u.mem_info;
mem_info->mem_type = BNA_MEM_T_DMA;
mem_info->len = cpage_count * sizeof(struct bna_dma_addr);
mem_info->num = q_cfg->num_paths;
res_info[BNA_RX_RES_MEM_T_CSWQPT].res_type = BNA_RES_T_MEM;
mem_info = &res_info[BNA_RX_RES_MEM_T_CSWQPT].res_u.mem_info;
mem_info->mem_type = BNA_MEM_T_KVA;
mem_info->len = cpage_count * sizeof(void *);
mem_info->num = q_cfg->num_paths;
res_info[BNA_RX_RES_MEM_T_CQPT_PAGE].res_type = BNA_RES_T_MEM;
mem_info = &res_info[BNA_RX_RES_MEM_T_CQPT_PAGE].res_u.mem_info;
mem_info->mem_type = BNA_MEM_T_DMA;
mem_info->len = PAGE_SIZE * cpage_count;
mem_info->num = q_cfg->num_paths;
res_info[BNA_RX_RES_MEM_T_DQPT].res_type = BNA_RES_T_MEM;
mem_info = &res_info[BNA_RX_RES_MEM_T_DQPT].res_u.mem_info;
mem_info->mem_type = BNA_MEM_T_DMA;
mem_info->len = dpage_count * sizeof(struct bna_dma_addr);
mem_info->num = q_cfg->num_paths;
res_info[BNA_RX_RES_MEM_T_DSWQPT].res_type = BNA_RES_T_MEM;
mem_info = &res_info[BNA_RX_RES_MEM_T_DSWQPT].res_u.mem_info;
mem_info->mem_type = BNA_MEM_T_KVA;
mem_info->len = dpage_count * sizeof(void *);
mem_info->num = q_cfg->num_paths;
res_info[BNA_RX_RES_MEM_T_DPAGE].res_type = BNA_RES_T_MEM;
mem_info = &res_info[BNA_RX_RES_MEM_T_DPAGE].res_u.mem_info;
mem_info->mem_type = BNA_MEM_T_DMA;
mem_info->len = PAGE_SIZE * dpage_count;
mem_info->num = q_cfg->num_paths;
res_info[BNA_RX_RES_MEM_T_HQPT].res_type = BNA_RES_T_MEM;
mem_info = &res_info[BNA_RX_RES_MEM_T_HQPT].res_u.mem_info;
mem_info->mem_type = BNA_MEM_T_DMA;
mem_info->len = hpage_count * sizeof(struct bna_dma_addr);
mem_info->num = (hpage_count ? q_cfg->num_paths : 0);
res_info[BNA_RX_RES_MEM_T_HSWQPT].res_type = BNA_RES_T_MEM;
mem_info = &res_info[BNA_RX_RES_MEM_T_HSWQPT].res_u.mem_info;
mem_info->mem_type = BNA_MEM_T_KVA;
mem_info->len = hpage_count * sizeof(void *);
mem_info->num = (hpage_count ? q_cfg->num_paths : 0);
res_info[BNA_RX_RES_MEM_T_HPAGE].res_type = BNA_RES_T_MEM;
mem_info = &res_info[BNA_RX_RES_MEM_T_HPAGE].res_u.mem_info;
mem_info->mem_type = BNA_MEM_T_DMA;
mem_info->len = PAGE_SIZE * hpage_count;
mem_info->num = (hpage_count ? q_cfg->num_paths : 0);
res_info[BNA_RX_RES_MEM_T_IBIDX].res_type = BNA_RES_T_MEM;
mem_info = &res_info[BNA_RX_RES_MEM_T_IBIDX].res_u.mem_info;
mem_info->mem_type = BNA_MEM_T_DMA;
mem_info->len = BFI_IBIDX_SIZE;
mem_info->num = q_cfg->num_paths;
res_info[BNA_RX_RES_MEM_T_RIT].res_type = BNA_RES_T_MEM;
mem_info = &res_info[BNA_RX_RES_MEM_T_RIT].res_u.mem_info;
mem_info->mem_type = BNA_MEM_T_KVA;
mem_info->len = BFI_ENET_RSS_RIT_MAX;
mem_info->num = 1;
res_info[BNA_RX_RES_T_INTR].res_type = BNA_RES_T_INTR;
res_info[BNA_RX_RES_T_INTR].res_u.intr_info.intr_type = BNA_INTR_T_MSIX;
res_info[BNA_RX_RES_T_INTR].res_u.intr_info.num = q_cfg->num_paths;
}
struct bna_rx *
bna_rx_create(struct bna *bna, struct bnad *bnad,
struct bna_rx_config *rx_cfg,
const struct bna_rx_event_cbfn *rx_cbfn,
struct bna_res_info *res_info,
void *priv)
{
struct bna_rx_mod *rx_mod = &bna->rx_mod;
struct bna_rx *rx;
struct bna_rxp *rxp;
struct bna_rxq *q0;
struct bna_rxq *q1;
struct bna_intr_info *intr_info;
struct bna_mem_descr *hqunmap_mem;
struct bna_mem_descr *dqunmap_mem;
struct bna_mem_descr *ccb_mem;
struct bna_mem_descr *rcb_mem;
struct bna_mem_descr *cqpt_mem;
struct bna_mem_descr *cswqpt_mem;
struct bna_mem_descr *cpage_mem;
struct bna_mem_descr *hqpt_mem;
struct bna_mem_descr *dqpt_mem;
struct bna_mem_descr *hsqpt_mem;
struct bna_mem_descr *dsqpt_mem;
struct bna_mem_descr *hpage_mem;
struct bna_mem_descr *dpage_mem;
u32 dpage_count, hpage_count;
u32 hq_idx, dq_idx, rcb_idx;
u32 cq_depth, i;
u32 page_count;
if (!bna_rx_res_check(rx_mod, rx_cfg))
return NULL;
intr_info = &res_info[BNA_RX_RES_T_INTR].res_u.intr_info;
ccb_mem = &res_info[BNA_RX_RES_MEM_T_CCB].res_u.mem_info.mdl[0];
rcb_mem = &res_info[BNA_RX_RES_MEM_T_RCB].res_u.mem_info.mdl[0];
dqunmap_mem = &res_info[BNA_RX_RES_MEM_T_UNMAPDQ].res_u.mem_info.mdl[0];
hqunmap_mem = &res_info[BNA_RX_RES_MEM_T_UNMAPHQ].res_u.mem_info.mdl[0];
cqpt_mem = &res_info[BNA_RX_RES_MEM_T_CQPT].res_u.mem_info.mdl[0];
cswqpt_mem = &res_info[BNA_RX_RES_MEM_T_CSWQPT].res_u.mem_info.mdl[0];
cpage_mem = &res_info[BNA_RX_RES_MEM_T_CQPT_PAGE].res_u.mem_info.mdl[0];
hqpt_mem = &res_info[BNA_RX_RES_MEM_T_HQPT].res_u.mem_info.mdl[0];
dqpt_mem = &res_info[BNA_RX_RES_MEM_T_DQPT].res_u.mem_info.mdl[0];
hsqpt_mem = &res_info[BNA_RX_RES_MEM_T_HSWQPT].res_u.mem_info.mdl[0];
dsqpt_mem = &res_info[BNA_RX_RES_MEM_T_DSWQPT].res_u.mem_info.mdl[0];
hpage_mem = &res_info[BNA_RX_RES_MEM_T_HPAGE].res_u.mem_info.mdl[0];
dpage_mem = &res_info[BNA_RX_RES_MEM_T_DPAGE].res_u.mem_info.mdl[0];
page_count = res_info[BNA_RX_RES_MEM_T_CQPT_PAGE].res_u.mem_info.len /
PAGE_SIZE;
dpage_count = res_info[BNA_RX_RES_MEM_T_DPAGE].res_u.mem_info.len /
PAGE_SIZE;
hpage_count = res_info[BNA_RX_RES_MEM_T_HPAGE].res_u.mem_info.len /
PAGE_SIZE;
rx = bna_rx_get(rx_mod, rx_cfg->rx_type);
rx->bna = bna;
rx->rx_flags = 0;
INIT_LIST_HEAD(&rx->rxp_q);
rx->stop_cbfn = NULL;
rx->stop_cbarg = NULL;
rx->priv = priv;
rx->rcb_setup_cbfn = rx_cbfn->rcb_setup_cbfn;
rx->rcb_destroy_cbfn = rx_cbfn->rcb_destroy_cbfn;
rx->ccb_setup_cbfn = rx_cbfn->ccb_setup_cbfn;
rx->ccb_destroy_cbfn = rx_cbfn->ccb_destroy_cbfn;
rx->rx_stall_cbfn = rx_cbfn->rx_stall_cbfn;
/* Following callbacks are mandatory */
rx->rx_cleanup_cbfn = rx_cbfn->rx_cleanup_cbfn;
rx->rx_post_cbfn = rx_cbfn->rx_post_cbfn;
if (rx->bna->rx_mod.flags & BNA_RX_MOD_F_ENET_STARTED) {
switch (rx->type) {
case BNA_RX_T_REGULAR:
if (!(rx->bna->rx_mod.flags &
BNA_RX_MOD_F_ENET_LOOPBACK))
rx->rx_flags |= BNA_RX_F_ENET_STARTED;
break;
case BNA_RX_T_LOOPBACK:
if (rx->bna->rx_mod.flags & BNA_RX_MOD_F_ENET_LOOPBACK)
rx->rx_flags |= BNA_RX_F_ENET_STARTED;
break;
}
}
rx->num_paths = rx_cfg->num_paths;
for (i = 0, hq_idx = 0, dq_idx = 0, rcb_idx = 0;
i < rx->num_paths; i++) {
rxp = bna_rxp_get(rx_mod);
list_add_tail(&rxp->qe, &rx->rxp_q);
rxp->type = rx_cfg->rxp_type;
rxp->rx = rx;
rxp->cq.rx = rx;
q0 = bna_rxq_get(rx_mod);
if (BNA_RXP_SINGLE == rx_cfg->rxp_type)
q1 = NULL;
else
q1 = bna_rxq_get(rx_mod);
if (1 == intr_info->num)
rxp->vector = intr_info->idl[0].vector;
else
rxp->vector = intr_info->idl[i].vector;
/* Setup IB */
rxp->cq.ib.ib_seg_host_addr.lsb =
res_info[BNA_RX_RES_MEM_T_IBIDX].res_u.mem_info.mdl[i].dma.lsb;
rxp->cq.ib.ib_seg_host_addr.msb =
res_info[BNA_RX_RES_MEM_T_IBIDX].res_u.mem_info.mdl[i].dma.msb;
rxp->cq.ib.ib_seg_host_addr_kva =
res_info[BNA_RX_RES_MEM_T_IBIDX].res_u.mem_info.mdl[i].kva;
rxp->cq.ib.intr_type = intr_info->intr_type;
if (intr_info->intr_type == BNA_INTR_T_MSIX)
rxp->cq.ib.intr_vector = rxp->vector;
else
rxp->cq.ib.intr_vector = BIT(rxp->vector);
rxp->cq.ib.coalescing_timeo = rx_cfg->coalescing_timeo;
rxp->cq.ib.interpkt_count = BFI_RX_INTERPKT_COUNT;
rxp->cq.ib.interpkt_timeo = BFI_RX_INTERPKT_TIMEO;
bna_rxp_add_rxqs(rxp, q0, q1);
/* Setup large Q */
q0->rx = rx;
q0->rxp = rxp;
q0->rcb = (struct bna_rcb *) rcb_mem[rcb_idx].kva;
q0->rcb->unmap_q = (void *)dqunmap_mem[dq_idx].kva;
rcb_idx++; dq_idx++;
q0->rcb->q_depth = rx_cfg->q0_depth;
q0->q_depth = rx_cfg->q0_depth;
q0->multi_buffer = rx_cfg->q0_multi_buf;
q0->buffer_size = rx_cfg->q0_buf_size;
q0->num_vecs = rx_cfg->q0_num_vecs;
q0->rcb->rxq = q0;
q0->rcb->bnad = bna->bnad;
q0->rcb->id = 0;
q0->rx_packets = q0->rx_bytes = 0;
q0->rx_packets_with_error = q0->rxbuf_alloc_failed = 0;
bna_rxq_qpt_setup(q0, rxp, dpage_count, PAGE_SIZE,
&dqpt_mem[i], &dsqpt_mem[i], &dpage_mem[i]);
if (rx->rcb_setup_cbfn)
rx->rcb_setup_cbfn(bnad, q0->rcb);
/* Setup small Q */
if (q1) {
q1->rx = rx;
q1->rxp = rxp;
q1->rcb = (struct bna_rcb *) rcb_mem[rcb_idx].kva;
q1->rcb->unmap_q = (void *)hqunmap_mem[hq_idx].kva;
rcb_idx++; hq_idx++;
q1->rcb->q_depth = rx_cfg->q1_depth;
q1->q_depth = rx_cfg->q1_depth;
q1->multi_buffer = BNA_STATUS_T_DISABLED;
q1->num_vecs = 1;
q1->rcb->rxq = q1;
q1->rcb->bnad = bna->bnad;
q1->rcb->id = 1;
q1->buffer_size = (rx_cfg->rxp_type == BNA_RXP_HDS) ?
rx_cfg->hds_config.forced_offset
: rx_cfg->q1_buf_size;
q1->rx_packets = q1->rx_bytes = 0;
q1->rx_packets_with_error = q1->rxbuf_alloc_failed = 0;
bna_rxq_qpt_setup(q1, rxp, hpage_count, PAGE_SIZE,
&hqpt_mem[i], &hsqpt_mem[i],
&hpage_mem[i]);
if (rx->rcb_setup_cbfn)
rx->rcb_setup_cbfn(bnad, q1->rcb);
}
/* Setup CQ */
rxp->cq.ccb = (struct bna_ccb *) ccb_mem[i].kva;
cq_depth = rx_cfg->q0_depth +
((rx_cfg->rxp_type == BNA_RXP_SINGLE) ?
0 : rx_cfg->q1_depth);
/* if multi-buffer is enabled sum of q0_depth
* and q1_depth need not be a power of 2
*/
cq_depth = roundup_pow_of_two(cq_depth);
rxp->cq.ccb->q_depth = cq_depth;
rxp->cq.ccb->cq = &rxp->cq;
rxp->cq.ccb->rcb[0] = q0->rcb;
q0->rcb->ccb = rxp->cq.ccb;
if (q1) {
rxp->cq.ccb->rcb[1] = q1->rcb;
q1->rcb->ccb = rxp->cq.ccb;
}
rxp->cq.ccb->hw_producer_index =
(u32 *)rxp->cq.ib.ib_seg_host_addr_kva;
rxp->cq.ccb->i_dbell = &rxp->cq.ib.door_bell;
rxp->cq.ccb->intr_type = rxp->cq.ib.intr_type;
rxp->cq.ccb->intr_vector = rxp->cq.ib.intr_vector;
rxp->cq.ccb->rx_coalescing_timeo =
rxp->cq.ib.coalescing_timeo;
rxp->cq.ccb->pkt_rate.small_pkt_cnt = 0;
rxp->cq.ccb->pkt_rate.large_pkt_cnt = 0;
rxp->cq.ccb->bnad = bna->bnad;
rxp->cq.ccb->id = i;
bna_rxp_cqpt_setup(rxp, page_count, PAGE_SIZE,
&cqpt_mem[i], &cswqpt_mem[i], &cpage_mem[i]);
if (rx->ccb_setup_cbfn)
rx->ccb_setup_cbfn(bnad, rxp->cq.ccb);
}
rx->hds_cfg = rx_cfg->hds_config;
bna_rxf_init(&rx->rxf, rx, rx_cfg, res_info);
bfa_fsm_set_state(rx, bna_rx_sm_stopped);
rx_mod->rid_mask |= BIT(rx->rid);
return rx;
}
void
bna_rx_destroy(struct bna_rx *rx)
{
struct bna_rx_mod *rx_mod = &rx->bna->rx_mod;
struct bna_rxq *q0 = NULL;
struct bna_rxq *q1 = NULL;
struct bna_rxp *rxp;
struct list_head *qe;
bna_rxf_uninit(&rx->rxf);
while (!list_empty(&rx->rxp_q)) {
rxp = list_first_entry(&rx->rxp_q, struct bna_rxp, qe);
list_del(&rxp->qe);
GET_RXQS(rxp, q0, q1);
if (rx->rcb_destroy_cbfn)
rx->rcb_destroy_cbfn(rx->bna->bnad, q0->rcb);
q0->rcb = NULL;
q0->rxp = NULL;
q0->rx = NULL;
bna_rxq_put(rx_mod, q0);
if (q1) {
if (rx->rcb_destroy_cbfn)
rx->rcb_destroy_cbfn(rx->bna->bnad, q1->rcb);
q1->rcb = NULL;
q1->rxp = NULL;
q1->rx = NULL;
bna_rxq_put(rx_mod, q1);
}
rxp->rxq.slr.large = NULL;
rxp->rxq.slr.small = NULL;
if (rx->ccb_destroy_cbfn)
rx->ccb_destroy_cbfn(rx->bna->bnad, rxp->cq.ccb);
rxp->cq.ccb = NULL;
rxp->rx = NULL;
bna_rxp_put(rx_mod, rxp);
}
list_for_each(qe, &rx_mod->rx_active_q)
if (qe == &rx->qe) {
list_del(&rx->qe);
break;
}
rx_mod->rid_mask &= ~BIT(rx->rid);
rx->bna = NULL;
rx->priv = NULL;
bna_rx_put(rx_mod, rx);
}
void
bna_rx_enable(struct bna_rx *rx)
{
if (rx->fsm != (bfa_sm_t)bna_rx_sm_stopped)
return;
rx->rx_flags |= BNA_RX_F_ENABLED;
if (rx->rx_flags & BNA_RX_F_ENET_STARTED)
bfa_fsm_send_event(rx, RX_E_START);
}
void
bna_rx_disable(struct bna_rx *rx, enum bna_cleanup_type type,
void (*cbfn)(void *, struct bna_rx *))
{
if (type == BNA_SOFT_CLEANUP) {
/* h/w should not be accessed. Treat we're stopped */
(*cbfn)(rx->bna->bnad, rx);
} else {
rx->stop_cbfn = cbfn;
rx->stop_cbarg = rx->bna->bnad;
rx->rx_flags &= ~BNA_RX_F_ENABLED;
bfa_fsm_send_event(rx, RX_E_STOP);
}
}
void
bna_rx_cleanup_complete(struct bna_rx *rx)
{
bfa_fsm_send_event(rx, RX_E_CLEANUP_DONE);
}
void
bna_rx_vlan_strip_enable(struct bna_rx *rx)
{
struct bna_rxf *rxf = &rx->rxf;
if (rxf->vlan_strip_status == BNA_STATUS_T_DISABLED) {
rxf->vlan_strip_status = BNA_STATUS_T_ENABLED;
rxf->vlan_strip_pending = true;
bfa_fsm_send_event(rxf, RXF_E_CONFIG);
}
}
void
bna_rx_vlan_strip_disable(struct bna_rx *rx)
{
struct bna_rxf *rxf = &rx->rxf;
if (rxf->vlan_strip_status != BNA_STATUS_T_DISABLED) {
rxf->vlan_strip_status = BNA_STATUS_T_DISABLED;
rxf->vlan_strip_pending = true;
bfa_fsm_send_event(rxf, RXF_E_CONFIG);
}
}
enum bna_cb_status
bna_rx_mode_set(struct bna_rx *rx, enum bna_rxmode new_mode,
enum bna_rxmode bitmask)
{
struct bna_rxf *rxf = &rx->rxf;
int need_hw_config = 0;
/* Error checks */
if (is_promisc_enable(new_mode, bitmask)) {
/* If promisc mode is already enabled elsewhere in the system */
if ((rx->bna->promisc_rid != BFI_INVALID_RID) &&
(rx->bna->promisc_rid != rxf->rx->rid))
goto err_return;
/* If default mode is already enabled in the system */
if (rx->bna->default_mode_rid != BFI_INVALID_RID)
goto err_return;
/* Trying to enable promiscuous and default mode together */
if (is_default_enable(new_mode, bitmask))
goto err_return;
}
if (is_default_enable(new_mode, bitmask)) {
/* If default mode is already enabled elsewhere in the system */
if ((rx->bna->default_mode_rid != BFI_INVALID_RID) &&
(rx->bna->default_mode_rid != rxf->rx->rid)) {
goto err_return;
}
/* If promiscuous mode is already enabled in the system */
if (rx->bna->promisc_rid != BFI_INVALID_RID)
goto err_return;
}
/* Process the commands */
if (is_promisc_enable(new_mode, bitmask)) {
if (bna_rxf_promisc_enable(rxf))
need_hw_config = 1;
} else if (is_promisc_disable(new_mode, bitmask)) {
if (bna_rxf_promisc_disable(rxf))
need_hw_config = 1;
}
if (is_allmulti_enable(new_mode, bitmask)) {
if (bna_rxf_allmulti_enable(rxf))
need_hw_config = 1;
} else if (is_allmulti_disable(new_mode, bitmask)) {
if (bna_rxf_allmulti_disable(rxf))
need_hw_config = 1;
}
/* Trigger h/w if needed */
if (need_hw_config) {
rxf->cam_fltr_cbfn = NULL;
rxf->cam_fltr_cbarg = rx->bna->bnad;
bfa_fsm_send_event(rxf, RXF_E_CONFIG);
}
return BNA_CB_SUCCESS;
err_return:
return BNA_CB_FAIL;
}
void
bna_rx_vlanfilter_enable(struct bna_rx *rx)
{
struct bna_rxf *rxf = &rx->rxf;
if (rxf->vlan_filter_status == BNA_STATUS_T_DISABLED) {
rxf->vlan_filter_status = BNA_STATUS_T_ENABLED;
rxf->vlan_pending_bitmask = (u8)BFI_VLAN_BMASK_ALL;
bfa_fsm_send_event(rxf, RXF_E_CONFIG);
}
}
void
bna_rx_coalescing_timeo_set(struct bna_rx *rx, int coalescing_timeo)
{
struct bna_rxp *rxp;
list_for_each_entry(rxp, &rx->rxp_q, qe) {
rxp->cq.ccb->rx_coalescing_timeo = coalescing_timeo;
bna_ib_coalescing_timeo_set(&rxp->cq.ib, coalescing_timeo);
}
}
void
bna_rx_dim_reconfig(struct bna *bna, const u32 vector[][BNA_BIAS_T_MAX])
{
int i, j;
for (i = 0; i < BNA_LOAD_T_MAX; i++)
for (j = 0; j < BNA_BIAS_T_MAX; j++)
bna->rx_mod.dim_vector[i][j] = vector[i][j];
}
void
bna_rx_dim_update(struct bna_ccb *ccb)
{
struct bna *bna = ccb->cq->rx->bna;
u32 load, bias;
u32 pkt_rt, small_rt, large_rt;
u8 coalescing_timeo;
if ((ccb->pkt_rate.small_pkt_cnt == 0) &&
(ccb->pkt_rate.large_pkt_cnt == 0))
return;
/* Arrive at preconfigured coalescing timeo value based on pkt rate */
small_rt = ccb->pkt_rate.small_pkt_cnt;
large_rt = ccb->pkt_rate.large_pkt_cnt;
pkt_rt = small_rt + large_rt;
if (pkt_rt < BNA_PKT_RATE_10K)
load = BNA_LOAD_T_LOW_4;
else if (pkt_rt < BNA_PKT_RATE_20K)
load = BNA_LOAD_T_LOW_3;
else if (pkt_rt < BNA_PKT_RATE_30K)
load = BNA_LOAD_T_LOW_2;
else if (pkt_rt < BNA_PKT_RATE_40K)
load = BNA_LOAD_T_LOW_1;
else if (pkt_rt < BNA_PKT_RATE_50K)
load = BNA_LOAD_T_HIGH_1;
else if (pkt_rt < BNA_PKT_RATE_60K)
load = BNA_LOAD_T_HIGH_2;
else if (pkt_rt < BNA_PKT_RATE_80K)
load = BNA_LOAD_T_HIGH_3;
else
load = BNA_LOAD_T_HIGH_4;
if (small_rt > (large_rt << 1))
bias = 0;
else
bias = 1;
ccb->pkt_rate.small_pkt_cnt = 0;
ccb->pkt_rate.large_pkt_cnt = 0;
coalescing_timeo = bna->rx_mod.dim_vector[load][bias];
ccb->rx_coalescing_timeo = coalescing_timeo;
/* Set it to IB */
bna_ib_coalescing_timeo_set(&ccb->cq->ib, coalescing_timeo);
}
const u32 bna_napi_dim_vector[BNA_LOAD_T_MAX][BNA_BIAS_T_MAX] = {
{12, 12},
{6, 10},
{5, 10},
{4, 8},
{3, 6},
{3, 6},
{2, 4},
{1, 2},
};
/* TX */
#define call_tx_stop_cbfn(tx) \
do { \
if ((tx)->stop_cbfn) { \
void (*cbfn)(void *, struct bna_tx *); \
void *cbarg; \
cbfn = (tx)->stop_cbfn; \
cbarg = (tx)->stop_cbarg; \
(tx)->stop_cbfn = NULL; \
(tx)->stop_cbarg = NULL; \
cbfn(cbarg, (tx)); \
} \
} while (0)
static void bna_tx_mod_cb_tx_stopped(void *tx_mod, struct bna_tx *tx);
static void bna_bfi_tx_enet_start(struct bna_tx *tx);
static void bna_tx_enet_stop(struct bna_tx *tx);
enum bna_tx_event {
TX_E_START = 1,
TX_E_STOP = 2,
TX_E_FAIL = 3,
TX_E_STARTED = 4,
TX_E_STOPPED = 5,
TX_E_CLEANUP_DONE = 7,
TX_E_BW_UPDATE = 8,
};
bfa_fsm_state_decl(bna_tx, stopped, struct bna_tx, enum bna_tx_event);
bfa_fsm_state_decl(bna_tx, start_wait, struct bna_tx, enum bna_tx_event);
bfa_fsm_state_decl(bna_tx, started, struct bna_tx, enum bna_tx_event);
bfa_fsm_state_decl(bna_tx, stop_wait, struct bna_tx, enum bna_tx_event);
bfa_fsm_state_decl(bna_tx, cleanup_wait, struct bna_tx,
enum bna_tx_event);
bfa_fsm_state_decl(bna_tx, prio_stop_wait, struct bna_tx,
enum bna_tx_event);
bfa_fsm_state_decl(bna_tx, prio_cleanup_wait, struct bna_tx,
enum bna_tx_event);
bfa_fsm_state_decl(bna_tx, failed, struct bna_tx, enum bna_tx_event);
bfa_fsm_state_decl(bna_tx, quiesce_wait, struct bna_tx,
enum bna_tx_event);
static void
bna_tx_sm_stopped_entry(struct bna_tx *tx)
{
call_tx_stop_cbfn(tx);
}
static void
bna_tx_sm_stopped(struct bna_tx *tx, enum bna_tx_event event)
{
switch (event) {
case TX_E_START:
bfa_fsm_set_state(tx, bna_tx_sm_start_wait);
break;
case TX_E_STOP:
call_tx_stop_cbfn(tx);
break;
case TX_E_FAIL:
/* No-op */
break;
case TX_E_BW_UPDATE:
/* No-op */
break;
default:
bfa_sm_fault(event);
}
}
static void
bna_tx_sm_start_wait_entry(struct bna_tx *tx)
{
bna_bfi_tx_enet_start(tx);
}
static void
bna_tx_sm_start_wait(struct bna_tx *tx, enum bna_tx_event event)
{
switch (event) {
case TX_E_STOP:
tx->flags &= ~BNA_TX_F_BW_UPDATED;
bfa_fsm_set_state(tx, bna_tx_sm_stop_wait);
break;
case TX_E_FAIL:
tx->flags &= ~BNA_TX_F_BW_UPDATED;
bfa_fsm_set_state(tx, bna_tx_sm_stopped);
break;
case TX_E_STARTED:
if (tx->flags & BNA_TX_F_BW_UPDATED) {
tx->flags &= ~BNA_TX_F_BW_UPDATED;
bfa_fsm_set_state(tx, bna_tx_sm_prio_stop_wait);
} else
bfa_fsm_set_state(tx, bna_tx_sm_started);
break;
case TX_E_BW_UPDATE:
tx->flags |= BNA_TX_F_BW_UPDATED;
break;
default:
bfa_sm_fault(event);
}
}
static void
bna_tx_sm_started_entry(struct bna_tx *tx)
{
struct bna_txq *txq;
int is_regular = (tx->type == BNA_TX_T_REGULAR);
list_for_each_entry(txq, &tx->txq_q, qe) {
txq->tcb->priority = txq->priority;
/* Start IB */
bna_ib_start(tx->bna, &txq->ib, is_regular);
}
tx->tx_resume_cbfn(tx->bna->bnad, tx);
}
static void
bna_tx_sm_started(struct bna_tx *tx, enum bna_tx_event event)
{
switch (event) {
case TX_E_STOP:
bfa_fsm_set_state(tx, bna_tx_sm_stop_wait);
tx->tx_stall_cbfn(tx->bna->bnad, tx);
bna_tx_enet_stop(tx);
break;
case TX_E_FAIL:
bfa_fsm_set_state(tx, bna_tx_sm_failed);
tx->tx_stall_cbfn(tx->bna->bnad, tx);
tx->tx_cleanup_cbfn(tx->bna->bnad, tx);
break;
case TX_E_BW_UPDATE:
bfa_fsm_set_state(tx, bna_tx_sm_prio_stop_wait);
break;
default:
bfa_sm_fault(event);
}
}
static void
bna_tx_sm_stop_wait_entry(struct bna_tx *tx)
{
}
static void
bna_tx_sm_stop_wait(struct bna_tx *tx, enum bna_tx_event event)
{
switch (event) {
case TX_E_FAIL:
case TX_E_STOPPED:
bfa_fsm_set_state(tx, bna_tx_sm_cleanup_wait);
tx->tx_cleanup_cbfn(tx->bna->bnad, tx);
break;
case TX_E_STARTED:
/**
* We are here due to start_wait -> stop_wait transition on
* TX_E_STOP event
*/
bna_tx_enet_stop(tx);
break;
case TX_E_BW_UPDATE:
/* No-op */
break;
default:
bfa_sm_fault(event);
}
}
static void
bna_tx_sm_cleanup_wait_entry(struct bna_tx *tx)
{
}
static void
bna_tx_sm_cleanup_wait(struct bna_tx *tx, enum bna_tx_event event)
{
switch (event) {
case TX_E_FAIL:
case TX_E_BW_UPDATE:
/* No-op */
break;
case TX_E_CLEANUP_DONE:
bfa_fsm_set_state(tx, bna_tx_sm_stopped);
break;
default:
bfa_sm_fault(event);
}
}
static void
bna_tx_sm_prio_stop_wait_entry(struct bna_tx *tx)
{
tx->tx_stall_cbfn(tx->bna->bnad, tx);
bna_tx_enet_stop(tx);
}
static void
bna_tx_sm_prio_stop_wait(struct bna_tx *tx, enum bna_tx_event event)
{
switch (event) {
case TX_E_STOP:
bfa_fsm_set_state(tx, bna_tx_sm_stop_wait);
break;
case TX_E_FAIL:
bfa_fsm_set_state(tx, bna_tx_sm_failed);
tx->tx_cleanup_cbfn(tx->bna->bnad, tx);
break;
case TX_E_STOPPED:
bfa_fsm_set_state(tx, bna_tx_sm_prio_cleanup_wait);
break;
case TX_E_BW_UPDATE:
/* No-op */
break;
default:
bfa_sm_fault(event);
}
}
static void
bna_tx_sm_prio_cleanup_wait_entry(struct bna_tx *tx)
{
tx->tx_cleanup_cbfn(tx->bna->bnad, tx);
}
static void
bna_tx_sm_prio_cleanup_wait(struct bna_tx *tx, enum bna_tx_event event)
{
switch (event) {
case TX_E_STOP:
bfa_fsm_set_state(tx, bna_tx_sm_cleanup_wait);
break;
case TX_E_FAIL:
bfa_fsm_set_state(tx, bna_tx_sm_failed);
break;
case TX_E_BW_UPDATE:
/* No-op */
break;
case TX_E_CLEANUP_DONE:
bfa_fsm_set_state(tx, bna_tx_sm_start_wait);
break;
default:
bfa_sm_fault(event);
}
}
static void
bna_tx_sm_failed_entry(struct bna_tx *tx)
{
}
static void
bna_tx_sm_failed(struct bna_tx *tx, enum bna_tx_event event)
{
switch (event) {
case TX_E_START:
bfa_fsm_set_state(tx, bna_tx_sm_quiesce_wait);
break;
case TX_E_STOP:
bfa_fsm_set_state(tx, bna_tx_sm_cleanup_wait);
break;
case TX_E_FAIL:
/* No-op */
break;
case TX_E_CLEANUP_DONE:
bfa_fsm_set_state(tx, bna_tx_sm_stopped);
break;
default:
bfa_sm_fault(event);
}
}
static void
bna_tx_sm_quiesce_wait_entry(struct bna_tx *tx)
{
}
static void
bna_tx_sm_quiesce_wait(struct bna_tx *tx, enum bna_tx_event event)
{
switch (event) {
case TX_E_STOP:
bfa_fsm_set_state(tx, bna_tx_sm_cleanup_wait);
break;
case TX_E_FAIL:
bfa_fsm_set_state(tx, bna_tx_sm_failed);
break;
case TX_E_CLEANUP_DONE:
bfa_fsm_set_state(tx, bna_tx_sm_start_wait);
break;
case TX_E_BW_UPDATE:
/* No-op */
break;
default:
bfa_sm_fault(event);
}
}
static void
bna_bfi_tx_enet_start(struct bna_tx *tx)
{
struct bfi_enet_tx_cfg_req *cfg_req = &tx->bfi_enet_cmd.cfg_req;
struct bna_txq *txq = NULL;
int i;
bfi_msgq_mhdr_set(cfg_req->mh, BFI_MC_ENET,
BFI_ENET_H2I_TX_CFG_SET_REQ, 0, tx->rid);
cfg_req->mh.num_entries = htons(
bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_tx_cfg_req)));
cfg_req->num_queues = tx->num_txq;
for (i = 0; i < tx->num_txq; i++) {
txq = txq ? list_next_entry(txq, qe)
: list_first_entry(&tx->txq_q, struct bna_txq, qe);
bfi_enet_datapath_q_init(&cfg_req->q_cfg[i].q.q, &txq->qpt);
cfg_req->q_cfg[i].q.priority = txq->priority;
cfg_req->q_cfg[i].ib.index_addr.a32.addr_lo =
txq->ib.ib_seg_host_addr.lsb;
cfg_req->q_cfg[i].ib.index_addr.a32.addr_hi =
txq->ib.ib_seg_host_addr.msb;
cfg_req->q_cfg[i].ib.intr.msix_index =
htons((u16)txq->ib.intr_vector);
}
cfg_req->ib_cfg.int_pkt_dma = BNA_STATUS_T_ENABLED;
cfg_req->ib_cfg.int_enabled = BNA_STATUS_T_ENABLED;
cfg_req->ib_cfg.int_pkt_enabled = BNA_STATUS_T_DISABLED;
cfg_req->ib_cfg.continuous_coalescing = BNA_STATUS_T_ENABLED;
cfg_req->ib_cfg.msix = (txq->ib.intr_type == BNA_INTR_T_MSIX)
? BNA_STATUS_T_ENABLED : BNA_STATUS_T_DISABLED;
cfg_req->ib_cfg.coalescing_timeout =
htonl((u32)txq->ib.coalescing_timeo);
cfg_req->ib_cfg.inter_pkt_timeout =
htonl((u32)txq->ib.interpkt_timeo);
cfg_req->ib_cfg.inter_pkt_count = (u8)txq->ib.interpkt_count;
cfg_req->tx_cfg.vlan_mode = BFI_ENET_TX_VLAN_WI;
cfg_req->tx_cfg.vlan_id = htons((u16)tx->txf_vlan_id);
cfg_req->tx_cfg.admit_tagged_frame = BNA_STATUS_T_ENABLED;
cfg_req->tx_cfg.apply_vlan_filter = BNA_STATUS_T_DISABLED;
bfa_msgq_cmd_set(&tx->msgq_cmd, NULL, NULL,
sizeof(struct bfi_enet_tx_cfg_req), &cfg_req->mh);
bfa_msgq_cmd_post(&tx->bna->msgq, &tx->msgq_cmd);
}
static void
bna_bfi_tx_enet_stop(struct bna_tx *tx)
{
struct bfi_enet_req *req = &tx->bfi_enet_cmd.req;
bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET,
BFI_ENET_H2I_TX_CFG_CLR_REQ, 0, tx->rid);
req->mh.num_entries = htons(
bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_req)));
bfa_msgq_cmd_set(&tx->msgq_cmd, NULL, NULL, sizeof(struct bfi_enet_req),
&req->mh);
bfa_msgq_cmd_post(&tx->bna->msgq, &tx->msgq_cmd);
}
static void
bna_tx_enet_stop(struct bna_tx *tx)
{
struct bna_txq *txq;
/* Stop IB */
list_for_each_entry(txq, &tx->txq_q, qe)
bna_ib_stop(tx->bna, &txq->ib);
bna_bfi_tx_enet_stop(tx);
}
static void
bna_txq_qpt_setup(struct bna_txq *txq, int page_count, int page_size,
struct bna_mem_descr *qpt_mem,
struct bna_mem_descr *swqpt_mem,
struct bna_mem_descr *page_mem)
{
u8 *kva;
u64 dma;
struct bna_dma_addr bna_dma;
int i;
txq->qpt.hw_qpt_ptr.lsb = qpt_mem->dma.lsb;
txq->qpt.hw_qpt_ptr.msb = qpt_mem->dma.msb;
txq->qpt.kv_qpt_ptr = qpt_mem->kva;
txq->qpt.page_count = page_count;
txq->qpt.page_size = page_size;
txq->tcb->sw_qpt = (void **) swqpt_mem->kva;
txq->tcb->sw_q = page_mem->kva;
kva = page_mem->kva;
BNA_GET_DMA_ADDR(&page_mem->dma, dma);
for (i = 0; i < page_count; i++) {
txq->tcb->sw_qpt[i] = kva;
kva += PAGE_SIZE;
BNA_SET_DMA_ADDR(dma, &bna_dma);
((struct bna_dma_addr *)txq->qpt.kv_qpt_ptr)[i].lsb =
bna_dma.lsb;
((struct bna_dma_addr *)txq->qpt.kv_qpt_ptr)[i].msb =
bna_dma.msb;
dma += PAGE_SIZE;
}
}
static struct bna_tx *
bna_tx_get(struct bna_tx_mod *tx_mod, enum bna_tx_type type)
{
struct bna_tx *tx = NULL;
if (list_empty(&tx_mod->tx_free_q))
return NULL;
if (type == BNA_TX_T_REGULAR)
tx = list_first_entry(&tx_mod->tx_free_q, struct bna_tx, qe);
else
tx = list_last_entry(&tx_mod->tx_free_q, struct bna_tx, qe);
list_del(&tx->qe);
tx->type = type;
return tx;
}
static void
bna_tx_free(struct bna_tx *tx)
{
struct bna_tx_mod *tx_mod = &tx->bna->tx_mod;
struct bna_txq *txq;
struct list_head *qe;
while (!list_empty(&tx->txq_q)) {
txq = list_first_entry(&tx->txq_q, struct bna_txq, qe);
txq->tcb = NULL;
txq->tx = NULL;
list_move_tail(&txq->qe, &tx_mod->txq_free_q);
}
list_for_each(qe, &tx_mod->tx_active_q) {
if (qe == &tx->qe) {
list_del(&tx->qe);
break;
}
}
tx->bna = NULL;
tx->priv = NULL;
list_for_each_prev(qe, &tx_mod->tx_free_q)
if (((struct bna_tx *)qe)->rid < tx->rid)
break;
list_add(&tx->qe, qe);
}
static void
bna_tx_start(struct bna_tx *tx)
{
tx->flags |= BNA_TX_F_ENET_STARTED;
if (tx->flags & BNA_TX_F_ENABLED)
bfa_fsm_send_event(tx, TX_E_START);
}
static void
bna_tx_stop(struct bna_tx *tx)
{
tx->stop_cbfn = bna_tx_mod_cb_tx_stopped;
tx->stop_cbarg = &tx->bna->tx_mod;
tx->flags &= ~BNA_TX_F_ENET_STARTED;
bfa_fsm_send_event(tx, TX_E_STOP);
}
static void
bna_tx_fail(struct bna_tx *tx)
{
tx->flags &= ~BNA_TX_F_ENET_STARTED;
bfa_fsm_send_event(tx, TX_E_FAIL);
}
void
bna_bfi_tx_enet_start_rsp(struct bna_tx *tx, struct bfi_msgq_mhdr *msghdr)
{
struct bfi_enet_tx_cfg_rsp *cfg_rsp = &tx->bfi_enet_cmd.cfg_rsp;
struct bna_txq *txq = NULL;
int i;
bfa_msgq_rsp_copy(&tx->bna->msgq, (u8 *)cfg_rsp,
sizeof(struct bfi_enet_tx_cfg_rsp));
tx->hw_id = cfg_rsp->hw_id;
for (i = 0, txq = list_first_entry(&tx->txq_q, struct bna_txq, qe);
i < tx->num_txq; i++, txq = list_next_entry(txq, qe)) {
/* Setup doorbells */
txq->tcb->i_dbell->doorbell_addr =
tx->bna->pcidev.pci_bar_kva
+ ntohl(cfg_rsp->q_handles[i].i_dbell);
txq->tcb->q_dbell =
tx->bna->pcidev.pci_bar_kva
+ ntohl(cfg_rsp->q_handles[i].q_dbell);
txq->hw_id = cfg_rsp->q_handles[i].hw_qid;
/* Initialize producer/consumer indexes */
(*txq->tcb->hw_consumer_index) = 0;
txq->tcb->producer_index = txq->tcb->consumer_index = 0;
}
bfa_fsm_send_event(tx, TX_E_STARTED);
}
void
bna_bfi_tx_enet_stop_rsp(struct bna_tx *tx, struct bfi_msgq_mhdr *msghdr)
{
bfa_fsm_send_event(tx, TX_E_STOPPED);
}
void
bna_bfi_bw_update_aen(struct bna_tx_mod *tx_mod)
{
struct bna_tx *tx;
list_for_each_entry(tx, &tx_mod->tx_active_q, qe)
bfa_fsm_send_event(tx, TX_E_BW_UPDATE);
}
void
bna_tx_res_req(int num_txq, int txq_depth, struct bna_res_info *res_info)
{
u32 q_size;
u32 page_count;
struct bna_mem_info *mem_info;
res_info[BNA_TX_RES_MEM_T_TCB].res_type = BNA_RES_T_MEM;
mem_info = &res_info[BNA_TX_RES_MEM_T_TCB].res_u.mem_info;
mem_info->mem_type = BNA_MEM_T_KVA;
mem_info->len = sizeof(struct bna_tcb);
mem_info->num = num_txq;
q_size = txq_depth * BFI_TXQ_WI_SIZE;
q_size = ALIGN(q_size, PAGE_SIZE);
page_count = q_size >> PAGE_SHIFT;
res_info[BNA_TX_RES_MEM_T_QPT].res_type = BNA_RES_T_MEM;
mem_info = &res_info[BNA_TX_RES_MEM_T_QPT].res_u.mem_info;
mem_info->mem_type = BNA_MEM_T_DMA;
mem_info->len = page_count * sizeof(struct bna_dma_addr);
mem_info->num = num_txq;
res_info[BNA_TX_RES_MEM_T_SWQPT].res_type = BNA_RES_T_MEM;
mem_info = &res_info[BNA_TX_RES_MEM_T_SWQPT].res_u.mem_info;
mem_info->mem_type = BNA_MEM_T_KVA;
mem_info->len = page_count * sizeof(void *);
mem_info->num = num_txq;
res_info[BNA_TX_RES_MEM_T_PAGE].res_type = BNA_RES_T_MEM;
mem_info = &res_info[BNA_TX_RES_MEM_T_PAGE].res_u.mem_info;
mem_info->mem_type = BNA_MEM_T_DMA;
mem_info->len = PAGE_SIZE * page_count;
mem_info->num = num_txq;
res_info[BNA_TX_RES_MEM_T_IBIDX].res_type = BNA_RES_T_MEM;
mem_info = &res_info[BNA_TX_RES_MEM_T_IBIDX].res_u.mem_info;
mem_info->mem_type = BNA_MEM_T_DMA;
mem_info->len = BFI_IBIDX_SIZE;
mem_info->num = num_txq;
res_info[BNA_TX_RES_INTR_T_TXCMPL].res_type = BNA_RES_T_INTR;
res_info[BNA_TX_RES_INTR_T_TXCMPL].res_u.intr_info.intr_type =
BNA_INTR_T_MSIX;
res_info[BNA_TX_RES_INTR_T_TXCMPL].res_u.intr_info.num = num_txq;
}
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)
{
struct bna_intr_info *intr_info;
struct bna_tx_mod *tx_mod = &bna->tx_mod;
struct bna_tx *tx;
struct bna_txq *txq;
int page_count;
int i;
intr_info = &res_info[BNA_TX_RES_INTR_T_TXCMPL].res_u.intr_info;
page_count = (res_info[BNA_TX_RES_MEM_T_PAGE].res_u.mem_info.len) /
PAGE_SIZE;
/**
* Get resources
*/
if ((intr_info->num != 1) && (intr_info->num != tx_cfg->num_txq))
return NULL;
/* Tx */
tx = bna_tx_get(tx_mod, tx_cfg->tx_type);
if (!tx)
return NULL;
tx->bna = bna;
tx->priv = priv;
/* TxQs */
INIT_LIST_HEAD(&tx->txq_q);
for (i = 0; i < tx_cfg->num_txq; i++) {
if (list_empty(&tx_mod->txq_free_q))
goto err_return;
txq = list_first_entry(&tx_mod->txq_free_q, struct bna_txq, qe);
list_move_tail(&txq->qe, &tx->txq_q);
txq->tx = tx;
}
/*
* Initialize
*/
/* Tx */
tx->tcb_setup_cbfn = tx_cbfn->tcb_setup_cbfn;
tx->tcb_destroy_cbfn = tx_cbfn->tcb_destroy_cbfn;
/* Following callbacks are mandatory */
tx->tx_stall_cbfn = tx_cbfn->tx_stall_cbfn;
tx->tx_resume_cbfn = tx_cbfn->tx_resume_cbfn;
tx->tx_cleanup_cbfn = tx_cbfn->tx_cleanup_cbfn;
list_add_tail(&tx->qe, &tx_mod->tx_active_q);
tx->num_txq = tx_cfg->num_txq;
tx->flags = 0;
if (tx->bna->tx_mod.flags & BNA_TX_MOD_F_ENET_STARTED) {
switch (tx->type) {
case BNA_TX_T_REGULAR:
if (!(tx->bna->tx_mod.flags &
BNA_TX_MOD_F_ENET_LOOPBACK))
tx->flags |= BNA_TX_F_ENET_STARTED;
break;
case BNA_TX_T_LOOPBACK:
if (tx->bna->tx_mod.flags & BNA_TX_MOD_F_ENET_LOOPBACK)
tx->flags |= BNA_TX_F_ENET_STARTED;
break;
}
}
/* TxQ */
i = 0;
list_for_each_entry(txq, &tx->txq_q, qe) {
txq->tcb = (struct bna_tcb *)
res_info[BNA_TX_RES_MEM_T_TCB].res_u.mem_info.mdl[i].kva;
txq->tx_packets = 0;
txq->tx_bytes = 0;
/* IB */
txq->ib.ib_seg_host_addr.lsb =
res_info[BNA_TX_RES_MEM_T_IBIDX].res_u.mem_info.mdl[i].dma.lsb;
txq->ib.ib_seg_host_addr.msb =
res_info[BNA_TX_RES_MEM_T_IBIDX].res_u.mem_info.mdl[i].dma.msb;
txq->ib.ib_seg_host_addr_kva =
res_info[BNA_TX_RES_MEM_T_IBIDX].res_u.mem_info.mdl[i].kva;
txq->ib.intr_type = intr_info->intr_type;
txq->ib.intr_vector = (intr_info->num == 1) ?
intr_info->idl[0].vector :
intr_info->idl[i].vector;
if (intr_info->intr_type == BNA_INTR_T_INTX)
txq->ib.intr_vector = BIT(txq->ib.intr_vector);
txq->ib.coalescing_timeo = tx_cfg->coalescing_timeo;
txq->ib.interpkt_timeo = BFI_TX_INTERPKT_TIMEO;
txq->ib.interpkt_count = BFI_TX_INTERPKT_COUNT;
/* TCB */
txq->tcb->q_depth = tx_cfg->txq_depth;
txq->tcb->unmap_q = (void *)
res_info[BNA_TX_RES_MEM_T_UNMAPQ].res_u.mem_info.mdl[i].kva;
txq->tcb->hw_consumer_index =
(u32 *)txq->ib.ib_seg_host_addr_kva;
txq->tcb->i_dbell = &txq->ib.door_bell;
txq->tcb->intr_type = txq->ib.intr_type;
txq->tcb->intr_vector = txq->ib.intr_vector;
txq->tcb->txq = txq;
txq->tcb->bnad = bnad;
txq->tcb->id = i;
/* QPT, SWQPT, Pages */
bna_txq_qpt_setup(txq, page_count, PAGE_SIZE,
&res_info[BNA_TX_RES_MEM_T_QPT].res_u.mem_info.mdl[i],
&res_info[BNA_TX_RES_MEM_T_SWQPT].res_u.mem_info.mdl[i],
&res_info[BNA_TX_RES_MEM_T_PAGE].
res_u.mem_info.mdl[i]);
/* Callback to bnad for setting up TCB */
if (tx->tcb_setup_cbfn)
(tx->tcb_setup_cbfn)(bna->bnad, txq->tcb);
if (tx_cfg->num_txq == BFI_TX_MAX_PRIO)
txq->priority = txq->tcb->id;
else
txq->priority = tx_mod->default_prio;
i++;
}
tx->txf_vlan_id = 0;
bfa_fsm_set_state(tx, bna_tx_sm_stopped);
tx_mod->rid_mask |= BIT(tx->rid);
return tx;
err_return:
bna_tx_free(tx);
return NULL;
}
void
bna_tx_destroy(struct bna_tx *tx)
{
struct bna_txq *txq;
list_for_each_entry(txq, &tx->txq_q, qe)
if (tx->tcb_destroy_cbfn)
(tx->tcb_destroy_cbfn)(tx->bna->bnad, txq->tcb);
tx->bna->tx_mod.rid_mask &= ~BIT(tx->rid);
bna_tx_free(tx);
}
void
bna_tx_enable(struct bna_tx *tx)
{
if (tx->fsm != (bfa_sm_t)bna_tx_sm_stopped)
return;
tx->flags |= BNA_TX_F_ENABLED;
if (tx->flags & BNA_TX_F_ENET_STARTED)
bfa_fsm_send_event(tx, TX_E_START);
}
void
bna_tx_disable(struct bna_tx *tx, enum bna_cleanup_type type,
void (*cbfn)(void *, struct bna_tx *))
{
if (type == BNA_SOFT_CLEANUP) {
(*cbfn)(tx->bna->bnad, tx);
return;
}
tx->stop_cbfn = cbfn;
tx->stop_cbarg = tx->bna->bnad;
tx->flags &= ~BNA_TX_F_ENABLED;
bfa_fsm_send_event(tx, TX_E_STOP);
}
void
bna_tx_cleanup_complete(struct bna_tx *tx)
{
bfa_fsm_send_event(tx, TX_E_CLEANUP_DONE);
}
static void
bna_tx_mod_cb_tx_stopped(void *arg, struct bna_tx *tx)
{
struct bna_tx_mod *tx_mod = (struct bna_tx_mod *)arg;
bfa_wc_down(&tx_mod->tx_stop_wc);
}
static void
bna_tx_mod_cb_tx_stopped_all(void *arg)
{
struct bna_tx_mod *tx_mod = (struct bna_tx_mod *)arg;
if (tx_mod->stop_cbfn)
tx_mod->stop_cbfn(&tx_mod->bna->enet);
tx_mod->stop_cbfn = NULL;
}
void
bna_tx_mod_init(struct bna_tx_mod *tx_mod, struct bna *bna,
struct bna_res_info *res_info)
{
int i;
tx_mod->bna = bna;
tx_mod->flags = 0;
tx_mod->tx = (struct bna_tx *)
res_info[BNA_MOD_RES_MEM_T_TX_ARRAY].res_u.mem_info.mdl[0].kva;
tx_mod->txq = (struct bna_txq *)
res_info[BNA_MOD_RES_MEM_T_TXQ_ARRAY].res_u.mem_info.mdl[0].kva;
INIT_LIST_HEAD(&tx_mod->tx_free_q);
INIT_LIST_HEAD(&tx_mod->tx_active_q);
INIT_LIST_HEAD(&tx_mod->txq_free_q);
for (i = 0; i < bna->ioceth.attr.num_txq; i++) {
tx_mod->tx[i].rid = i;
list_add_tail(&tx_mod->tx[i].qe, &tx_mod->tx_free_q);
list_add_tail(&tx_mod->txq[i].qe, &tx_mod->txq_free_q);
}
tx_mod->prio_map = BFI_TX_PRIO_MAP_ALL;
tx_mod->default_prio = 0;
tx_mod->iscsi_over_cee = BNA_STATUS_T_DISABLED;
tx_mod->iscsi_prio = -1;
}
void
bna_tx_mod_uninit(struct bna_tx_mod *tx_mod)
{
tx_mod->bna = NULL;
}
void
bna_tx_mod_start(struct bna_tx_mod *tx_mod, enum bna_tx_type type)
{
struct bna_tx *tx;
tx_mod->flags |= BNA_TX_MOD_F_ENET_STARTED;
if (type == BNA_TX_T_LOOPBACK)
tx_mod->flags |= BNA_TX_MOD_F_ENET_LOOPBACK;
list_for_each_entry(tx, &tx_mod->tx_active_q, qe)
if (tx->type == type)
bna_tx_start(tx);
}
void
bna_tx_mod_stop(struct bna_tx_mod *tx_mod, enum bna_tx_type type)
{
struct bna_tx *tx;
tx_mod->flags &= ~BNA_TX_MOD_F_ENET_STARTED;
tx_mod->flags &= ~BNA_TX_MOD_F_ENET_LOOPBACK;
tx_mod->stop_cbfn = bna_enet_cb_tx_stopped;
bfa_wc_init(&tx_mod->tx_stop_wc, bna_tx_mod_cb_tx_stopped_all, tx_mod);
list_for_each_entry(tx, &tx_mod->tx_active_q, qe)
if (tx->type == type) {
bfa_wc_up(&tx_mod->tx_stop_wc);
bna_tx_stop(tx);
}
bfa_wc_wait(&tx_mod->tx_stop_wc);
}
void
bna_tx_mod_fail(struct bna_tx_mod *tx_mod)
{
struct bna_tx *tx;
tx_mod->flags &= ~BNA_TX_MOD_F_ENET_STARTED;
tx_mod->flags &= ~BNA_TX_MOD_F_ENET_LOOPBACK;
list_for_each_entry(tx, &tx_mod->tx_active_q, qe)
bna_tx_fail(tx);
}
void
bna_tx_coalescing_timeo_set(struct bna_tx *tx, int coalescing_timeo)
{
struct bna_txq *txq;
list_for_each_entry(txq, &tx->txq_q, qe)
bna_ib_coalescing_timeo_set(&txq->ib, coalescing_timeo);
}