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path: root/drivers/net/bna/bna_txrx.c
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Diffstat (limited to 'drivers/net/bna/bna_txrx.c')
-rw-r--r--drivers/net/bna/bna_txrx.c4185
1 files changed, 0 insertions, 4185 deletions
diff --git a/drivers/net/bna/bna_txrx.c b/drivers/net/bna/bna_txrx.c
deleted file mode 100644
index f0983c832447..000000000000
--- a/drivers/net/bna/bna_txrx.c
+++ /dev/null
@@ -1,4185 +0,0 @@
-/*
- * Linux network driver for Brocade 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) 2005-2010 Brocade Communications Systems, Inc.
- * All rights reserved
- * www.brocade.com
- */
-#include "bna.h"
-#include "bfa_cs.h"
-#include "bfi.h"
-
-/**
- * IB
- */
-#define bna_ib_find_free_ibidx(_mask, _pos)\
-do {\
- (_pos) = 0;\
- while (((_pos) < (BFI_IBIDX_MAX_SEGSIZE)) &&\
- ((1 << (_pos)) & (_mask)))\
- (_pos)++;\
-} while (0)
-
-#define bna_ib_count_ibidx(_mask, _count)\
-do {\
- int pos = 0;\
- (_count) = 0;\
- while (pos < (BFI_IBIDX_MAX_SEGSIZE)) {\
- if ((1 << pos) & (_mask))\
- (_count) = pos + 1;\
- pos++;\
- } \
-} while (0)
-
-#define bna_ib_select_segpool(_count, _q_idx)\
-do {\
- int i;\
- (_q_idx) = -1;\
- for (i = 0; i < BFI_IBIDX_TOTAL_POOLS; i++) {\
- if ((_count <= ibidx_pool[i].pool_entry_size)) {\
- (_q_idx) = i;\
- break;\
- } \
- } \
-} while (0)
-
-struct bna_ibidx_pool {
- int pool_size;
- int pool_entry_size;
-};
-init_ibidx_pool(ibidx_pool);
-
-static struct bna_intr *
-bna_intr_get(struct bna_ib_mod *ib_mod, enum bna_intr_type intr_type,
- int vector)
-{
- struct bna_intr *intr;
- struct list_head *qe;
-
- list_for_each(qe, &ib_mod->intr_active_q) {
- intr = (struct bna_intr *)qe;
-
- if ((intr->intr_type == intr_type) &&
- (intr->vector == vector)) {
- intr->ref_count++;
- return intr;
- }
- }
-
- if (list_empty(&ib_mod->intr_free_q))
- return NULL;
-
- bfa_q_deq(&ib_mod->intr_free_q, &intr);
- bfa_q_qe_init(&intr->qe);
-
- intr->ref_count = 1;
- intr->intr_type = intr_type;
- intr->vector = vector;
-
- list_add_tail(&intr->qe, &ib_mod->intr_active_q);
-
- return intr;
-}
-
-static void
-bna_intr_put(struct bna_ib_mod *ib_mod,
- struct bna_intr *intr)
-{
- intr->ref_count--;
-
- if (intr->ref_count == 0) {
- intr->ib = NULL;
- list_del(&intr->qe);
- bfa_q_qe_init(&intr->qe);
- list_add_tail(&intr->qe, &ib_mod->intr_free_q);
- }
-}
-
-void
-bna_ib_mod_init(struct bna_ib_mod *ib_mod, struct bna *bna,
- struct bna_res_info *res_info)
-{
- int i;
- int j;
- int count;
- u8 offset;
- struct bna_doorbell_qset *qset;
- unsigned long off;
-
- ib_mod->bna = bna;
-
- ib_mod->ib = (struct bna_ib *)
- res_info[BNA_RES_MEM_T_IB_ARRAY].res_u.mem_info.mdl[0].kva;
- ib_mod->intr = (struct bna_intr *)
- res_info[BNA_RES_MEM_T_INTR_ARRAY].res_u.mem_info.mdl[0].kva;
- ib_mod->idx_seg = (struct bna_ibidx_seg *)
- res_info[BNA_RES_MEM_T_IDXSEG_ARRAY].res_u.mem_info.mdl[0].kva;
-
- INIT_LIST_HEAD(&ib_mod->ib_free_q);
- INIT_LIST_HEAD(&ib_mod->intr_free_q);
- INIT_LIST_HEAD(&ib_mod->intr_active_q);
-
- for (i = 0; i < BFI_IBIDX_TOTAL_POOLS; i++)
- INIT_LIST_HEAD(&ib_mod->ibidx_seg_pool[i]);
-
- for (i = 0; i < BFI_MAX_IB; i++) {
- ib_mod->ib[i].ib_id = i;
-
- ib_mod->ib[i].ib_seg_host_addr_kva =
- res_info[BNA_RES_MEM_T_IBIDX].res_u.mem_info.mdl[i].kva;
- ib_mod->ib[i].ib_seg_host_addr.lsb =
- res_info[BNA_RES_MEM_T_IBIDX].res_u.mem_info.mdl[i].dma.lsb;
- ib_mod->ib[i].ib_seg_host_addr.msb =
- res_info[BNA_RES_MEM_T_IBIDX].res_u.mem_info.mdl[i].dma.msb;
-
- qset = (struct bna_doorbell_qset *)0;
- off = (unsigned long)(&qset[i >> 1].ib0[(i & 0x1)
- * (0x20 >> 2)]);
- ib_mod->ib[i].door_bell.doorbell_addr = off +
- BNA_GET_DOORBELL_BASE_ADDR(bna->pcidev.pci_bar_kva);
-
- bfa_q_qe_init(&ib_mod->ib[i].qe);
- list_add_tail(&ib_mod->ib[i].qe, &ib_mod->ib_free_q);
-
- bfa_q_qe_init(&ib_mod->intr[i].qe);
- list_add_tail(&ib_mod->intr[i].qe, &ib_mod->intr_free_q);
- }
-
- count = 0;
- offset = 0;
- for (i = 0; i < BFI_IBIDX_TOTAL_POOLS; i++) {
- for (j = 0; j < ibidx_pool[i].pool_size; j++) {
- bfa_q_qe_init(&ib_mod->idx_seg[count]);
- ib_mod->idx_seg[count].ib_seg_size =
- ibidx_pool[i].pool_entry_size;
- ib_mod->idx_seg[count].ib_idx_tbl_offset = offset;
- list_add_tail(&ib_mod->idx_seg[count].qe,
- &ib_mod->ibidx_seg_pool[i]);
- count++;
- offset += ibidx_pool[i].pool_entry_size;
- }
- }
-}
-
-void
-bna_ib_mod_uninit(struct bna_ib_mod *ib_mod)
-{
- int i;
- int j;
- struct list_head *qe;
-
- i = 0;
- list_for_each(qe, &ib_mod->ib_free_q)
- i++;
-
- i = 0;
- list_for_each(qe, &ib_mod->intr_free_q)
- i++;
-
- for (i = 0; i < BFI_IBIDX_TOTAL_POOLS; i++) {
- j = 0;
- list_for_each(qe, &ib_mod->ibidx_seg_pool[i])
- j++;
- }
-
- ib_mod->bna = NULL;
-}
-
-static struct bna_ib *
-bna_ib_get(struct bna_ib_mod *ib_mod,
- enum bna_intr_type intr_type,
- int vector)
-{
- struct bna_ib *ib;
- struct bna_intr *intr;
-
- if (intr_type == BNA_INTR_T_INTX)
- vector = (1 << vector);
-
- intr = bna_intr_get(ib_mod, intr_type, vector);
- if (intr == NULL)
- return NULL;
-
- if (intr->ib) {
- if (intr->ib->ref_count == BFI_IBIDX_MAX_SEGSIZE) {
- bna_intr_put(ib_mod, intr);
- return NULL;
- }
- intr->ib->ref_count++;
- return intr->ib;
- }
-
- if (list_empty(&ib_mod->ib_free_q)) {
- bna_intr_put(ib_mod, intr);
- return NULL;
- }
-
- bfa_q_deq(&ib_mod->ib_free_q, &ib);
- bfa_q_qe_init(&ib->qe);
-
- ib->ref_count = 1;
- ib->start_count = 0;
- ib->idx_mask = 0;
-
- ib->intr = intr;
- ib->idx_seg = NULL;
- intr->ib = ib;
-
- ib->bna = ib_mod->bna;
-
- return ib;
-}
-
-static void
-bna_ib_put(struct bna_ib_mod *ib_mod, struct bna_ib *ib)
-{
- bna_intr_put(ib_mod, ib->intr);
-
- ib->ref_count--;
-
- if (ib->ref_count == 0) {
- ib->intr = NULL;
- ib->bna = NULL;
- list_add_tail(&ib->qe, &ib_mod->ib_free_q);
- }
-}
-
-/* Returns index offset - starting from 0 */
-static int
-bna_ib_reserve_idx(struct bna_ib *ib)
-{
- struct bna_ib_mod *ib_mod = &ib->bna->ib_mod;
- struct bna_ibidx_seg *idx_seg;
- int idx;
- int num_idx;
- int q_idx;
-
- /* Find the first free index position */
- bna_ib_find_free_ibidx(ib->idx_mask, idx);
- if (idx == BFI_IBIDX_MAX_SEGSIZE)
- return -1;
-
- /*
- * Calculate the total number of indexes held by this IB,
- * including the index newly reserved above.
- */
- bna_ib_count_ibidx((ib->idx_mask | (1 << idx)), num_idx);
-
- /* See if there is a free space in the index segment held by this IB */
- if (ib->idx_seg && (num_idx <= ib->idx_seg->ib_seg_size)) {
- ib->idx_mask |= (1 << idx);
- return idx;
- }
-
- if (ib->start_count)
- return -1;
-
- /* Allocate a new segment */
- bna_ib_select_segpool(num_idx, q_idx);
- while (1) {
- if (q_idx == BFI_IBIDX_TOTAL_POOLS)
- return -1;
- if (!list_empty(&ib_mod->ibidx_seg_pool[q_idx]))
- break;
- q_idx++;
- }
- bfa_q_deq(&ib_mod->ibidx_seg_pool[q_idx], &idx_seg);
- bfa_q_qe_init(&idx_seg->qe);
-
- /* Free the old segment */
- if (ib->idx_seg) {
- bna_ib_select_segpool(ib->idx_seg->ib_seg_size, q_idx);
- list_add_tail(&ib->idx_seg->qe, &ib_mod->ibidx_seg_pool[q_idx]);
- }
-
- ib->idx_seg = idx_seg;
-
- ib->idx_mask |= (1 << idx);
-
- return idx;
-}
-
-static void
-bna_ib_release_idx(struct bna_ib *ib, int idx)
-{
- struct bna_ib_mod *ib_mod = &ib->bna->ib_mod;
- struct bna_ibidx_seg *idx_seg;
- int num_idx;
- int cur_q_idx;
- int new_q_idx;
-
- ib->idx_mask &= ~(1 << idx);
-
- if (ib->start_count)
- return;
-
- bna_ib_count_ibidx(ib->idx_mask, num_idx);
-
- /*
- * Free the segment, if there are no more indexes in the segment
- * held by this IB
- */
- if (!num_idx) {
- bna_ib_select_segpool(ib->idx_seg->ib_seg_size, cur_q_idx);
- list_add_tail(&ib->idx_seg->qe,
- &ib_mod->ibidx_seg_pool[cur_q_idx]);
- ib->idx_seg = NULL;
- return;
- }
-
- /* See if we can move to a smaller segment */
- bna_ib_select_segpool(num_idx, new_q_idx);
- bna_ib_select_segpool(ib->idx_seg->ib_seg_size, cur_q_idx);
- while (new_q_idx < cur_q_idx) {
- if (!list_empty(&ib_mod->ibidx_seg_pool[new_q_idx]))
- break;
- new_q_idx++;
- }
- if (new_q_idx < cur_q_idx) {
- /* Select the new smaller segment */
- bfa_q_deq(&ib_mod->ibidx_seg_pool[new_q_idx], &idx_seg);
- bfa_q_qe_init(&idx_seg->qe);
- /* Free the old segment */
- list_add_tail(&ib->idx_seg->qe,
- &ib_mod->ibidx_seg_pool[cur_q_idx]);
- ib->idx_seg = idx_seg;
- }
-}
-
-static int
-bna_ib_config(struct bna_ib *ib, struct bna_ib_config *ib_config)
-{
- if (ib->start_count)
- return -1;
-
- ib->ib_config.coalescing_timeo = ib_config->coalescing_timeo;
- ib->ib_config.interpkt_timeo = ib_config->interpkt_timeo;
- ib->ib_config.interpkt_count = ib_config->interpkt_count;
- ib->ib_config.ctrl_flags = ib_config->ctrl_flags;
-
- ib->ib_config.ctrl_flags |= BFI_IB_CF_MASTER_ENABLE;
- if (ib->intr->intr_type == BNA_INTR_T_MSIX)
- ib->ib_config.ctrl_flags |= BFI_IB_CF_MSIX_MODE;
-
- return 0;
-}
-
-static void
-bna_ib_start(struct bna_ib *ib)
-{
- struct bna_ib_blk_mem ib_cfg;
- struct bna_ib_blk_mem *ib_mem;
- u32 pg_num;
- u32 intx_mask;
- int i;
- void __iomem *base_addr;
- unsigned long off;
-
- ib->start_count++;
-
- if (ib->start_count > 1)
- return;
-
- ib_cfg.host_addr_lo = (u32)(ib->ib_seg_host_addr.lsb);
- ib_cfg.host_addr_hi = (u32)(ib->ib_seg_host_addr.msb);
-
- ib_cfg.clsc_n_ctrl_n_msix = (((u32)
- ib->ib_config.coalescing_timeo << 16) |
- ((u32)ib->ib_config.ctrl_flags << 8) |
- (ib->intr->vector));
- ib_cfg.ipkt_n_ent_n_idxof =
- ((u32)
- (ib->ib_config.interpkt_timeo & 0xf) << 16) |
- ((u32)ib->idx_seg->ib_seg_size << 8) |
- (ib->idx_seg->ib_idx_tbl_offset);
- ib_cfg.ipkt_cnt_cfg_n_unacked = ((u32)
- ib->ib_config.interpkt_count << 24);
-
- pg_num = BNA_GET_PAGE_NUM(HQM0_BLK_PG_NUM + ib->bna->port_num,
- HQM_IB_RAM_BASE_OFFSET);
- writel(pg_num, ib->bna->regs.page_addr);
-
- base_addr = BNA_GET_MEM_BASE_ADDR(ib->bna->pcidev.pci_bar_kva,
- HQM_IB_RAM_BASE_OFFSET);
-
- ib_mem = (struct bna_ib_blk_mem *)0;
- off = (unsigned long)&ib_mem[ib->ib_id].host_addr_lo;
- writel(htonl(ib_cfg.host_addr_lo), base_addr + off);
-
- off = (unsigned long)&ib_mem[ib->ib_id].host_addr_hi;
- writel(htonl(ib_cfg.host_addr_hi), base_addr + off);
-
- off = (unsigned long)&ib_mem[ib->ib_id].clsc_n_ctrl_n_msix;
- writel(ib_cfg.clsc_n_ctrl_n_msix, base_addr + off);
-
- off = (unsigned long)&ib_mem[ib->ib_id].ipkt_n_ent_n_idxof;
- writel(ib_cfg.ipkt_n_ent_n_idxof, base_addr + off);
-
- off = (unsigned long)&ib_mem[ib->ib_id].ipkt_cnt_cfg_n_unacked;
- writel(ib_cfg.ipkt_cnt_cfg_n_unacked, base_addr + off);
-
- ib->door_bell.doorbell_ack = BNA_DOORBELL_IB_INT_ACK(
- (u32)ib->ib_config.coalescing_timeo, 0);
-
- pg_num = BNA_GET_PAGE_NUM(HQM0_BLK_PG_NUM + ib->bna->port_num,
- HQM_INDX_TBL_RAM_BASE_OFFSET);
- writel(pg_num, ib->bna->regs.page_addr);
-
- base_addr = BNA_GET_MEM_BASE_ADDR(ib->bna->pcidev.pci_bar_kva,
- HQM_INDX_TBL_RAM_BASE_OFFSET);
- for (i = 0; i < ib->idx_seg->ib_seg_size; i++) {
- off = (unsigned long)
- ((ib->idx_seg->ib_idx_tbl_offset + i) * BFI_IBIDX_SIZE);
- writel(0, base_addr + off);
- }
-
- if (ib->intr->intr_type == BNA_INTR_T_INTX) {
- bna_intx_disable(ib->bna, intx_mask);
- intx_mask &= ~(ib->intr->vector);
- bna_intx_enable(ib->bna, intx_mask);
- }
-}
-
-static void
-bna_ib_stop(struct bna_ib *ib)
-{
- u32 intx_mask;
-
- ib->start_count--;
-
- if (ib->start_count == 0) {
- writel(BNA_DOORBELL_IB_INT_DISABLE,
- ib->door_bell.doorbell_addr);
- if (ib->intr->intr_type == BNA_INTR_T_INTX) {
- bna_intx_disable(ib->bna, intx_mask);
- intx_mask |= (ib->intr->vector);
- bna_intx_enable(ib->bna, intx_mask);
- }
- }
-}
-
-static void
-bna_ib_fail(struct bna_ib *ib)
-{
- ib->start_count = 0;
-}
-
-/**
- * RXF
- */
-static void rxf_enable(struct bna_rxf *rxf);
-static void rxf_disable(struct bna_rxf *rxf);
-static void __rxf_config_set(struct bna_rxf *rxf);
-static void __rxf_rit_set(struct bna_rxf *rxf);
-static void __bna_rxf_stat_clr(struct bna_rxf *rxf);
-static int rxf_process_packet_filter(struct bna_rxf *rxf);
-static int rxf_clear_packet_filter(struct bna_rxf *rxf);
-static void rxf_reset_packet_filter(struct bna_rxf *rxf);
-static void rxf_cb_enabled(void *arg, int status);
-static void rxf_cb_disabled(void *arg, int status);
-static void bna_rxf_cb_stats_cleared(void *arg, int status);
-static void __rxf_enable(struct bna_rxf *rxf);
-static void __rxf_disable(struct bna_rxf *rxf);
-
-bfa_fsm_state_decl(bna_rxf, stopped, struct bna_rxf,
- enum bna_rxf_event);
-bfa_fsm_state_decl(bna_rxf, start_wait, struct bna_rxf,
- enum bna_rxf_event);
-bfa_fsm_state_decl(bna_rxf, cam_fltr_mod_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, cam_fltr_clr_wait, struct bna_rxf,
- enum bna_rxf_event);
-bfa_fsm_state_decl(bna_rxf, stop_wait, struct bna_rxf,
- enum bna_rxf_event);
-bfa_fsm_state_decl(bna_rxf, pause_wait, struct bna_rxf,
- enum bna_rxf_event);
-bfa_fsm_state_decl(bna_rxf, resume_wait, struct bna_rxf,
- enum bna_rxf_event);
-bfa_fsm_state_decl(bna_rxf, stat_clr_wait, struct bna_rxf,
- enum bna_rxf_event);
-
-static struct bfa_sm_table rxf_sm_table[] = {
- {BFA_SM(bna_rxf_sm_stopped), BNA_RXF_STOPPED},
- {BFA_SM(bna_rxf_sm_start_wait), BNA_RXF_START_WAIT},
- {BFA_SM(bna_rxf_sm_cam_fltr_mod_wait), BNA_RXF_CAM_FLTR_MOD_WAIT},
- {BFA_SM(bna_rxf_sm_started), BNA_RXF_STARTED},
- {BFA_SM(bna_rxf_sm_cam_fltr_clr_wait), BNA_RXF_CAM_FLTR_CLR_WAIT},
- {BFA_SM(bna_rxf_sm_stop_wait), BNA_RXF_STOP_WAIT},
- {BFA_SM(bna_rxf_sm_pause_wait), BNA_RXF_PAUSE_WAIT},
- {BFA_SM(bna_rxf_sm_resume_wait), BNA_RXF_RESUME_WAIT},
- {BFA_SM(bna_rxf_sm_stat_clr_wait), BNA_RXF_STAT_CLR_WAIT}
-};
-
-static void
-bna_rxf_sm_stopped_entry(struct bna_rxf *rxf)
-{
- call_rxf_stop_cbfn(rxf, BNA_CB_SUCCESS);
-}
-
-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_start_wait);
- break;
-
- case RXF_E_STOP:
- bfa_fsm_set_state(rxf, bna_rxf_sm_stopped);
- break;
-
- case RXF_E_FAIL:
- /* No-op */
- break;
-
- case RXF_E_CAM_FLTR_MOD:
- call_rxf_cam_fltr_cbfn(rxf, BNA_CB_SUCCESS);
- break;
-
- case RXF_E_STARTED:
- case RXF_E_STOPPED:
- case RXF_E_CAM_FLTR_RESP:
- /**
- * These events are received due to flushing of mbox
- * when device fails
- */
- /* No-op */
- break;
-
- case RXF_E_PAUSE:
- rxf->rxf_oper_state = BNA_RXF_OPER_STATE_PAUSED;
- call_rxf_pause_cbfn(rxf, BNA_CB_SUCCESS);
- break;
-
- case RXF_E_RESUME:
- rxf->rxf_oper_state = BNA_RXF_OPER_STATE_RUNNING;
- call_rxf_resume_cbfn(rxf, BNA_CB_SUCCESS);
- break;
-
- default:
- bfa_sm_fault(event);
- }
-}
-
-static void
-bna_rxf_sm_start_wait_entry(struct bna_rxf *rxf)
-{
- __rxf_config_set(rxf);
- __rxf_rit_set(rxf);
- rxf_enable(rxf);
-}
-
-static void
-bna_rxf_sm_start_wait(struct bna_rxf *rxf, enum bna_rxf_event event)
-{
- switch (event) {
- case RXF_E_STOP:
- /**
- * STOP is originated from bnad. When this happens,
- * it can not be waiting for filter update
- */
- call_rxf_start_cbfn(rxf, BNA_CB_INTERRUPT);
- bfa_fsm_set_state(rxf, bna_rxf_sm_stop_wait);
- break;
-
- case RXF_E_FAIL:
- call_rxf_cam_fltr_cbfn(rxf, BNA_CB_SUCCESS);
- call_rxf_start_cbfn(rxf, BNA_CB_FAIL);
- bfa_fsm_set_state(rxf, bna_rxf_sm_stopped);
- break;
-
- case RXF_E_CAM_FLTR_MOD:
- /* No-op */
- break;
-
- case RXF_E_STARTED:
- /**
- * Force rxf_process_filter() to go through initial
- * config
- */
- if ((rxf->ucast_active_mac != NULL) &&
- (rxf->ucast_pending_set == 0))
- rxf->ucast_pending_set = 1;
-
- if (rxf->rss_status == BNA_STATUS_T_ENABLED)
- rxf->rxf_flags |= BNA_RXF_FL_RSS_CONFIG_PENDING;
-
- rxf->rxf_flags |= BNA_RXF_FL_VLAN_CONFIG_PENDING;
-
- bfa_fsm_set_state(rxf, bna_rxf_sm_cam_fltr_mod_wait);
- break;
-
- case RXF_E_PAUSE:
- case RXF_E_RESUME:
- rxf->rxf_flags |= BNA_RXF_FL_OPERSTATE_CHANGED;
- break;
-
- default:
- bfa_sm_fault(event);
- }
-}
-
-static void
-bna_rxf_sm_cam_fltr_mod_wait_entry(struct bna_rxf *rxf)
-{
- if (!rxf_process_packet_filter(rxf)) {
- /* No more pending CAM entries to update */
- bfa_fsm_set_state(rxf, bna_rxf_sm_started);
- }
-}
-
-static void
-bna_rxf_sm_cam_fltr_mod_wait(struct bna_rxf *rxf, enum bna_rxf_event event)
-{
- switch (event) {
- case RXF_E_STOP:
- /**
- * STOP is originated from bnad. When this happens,
- * it can not be waiting for filter update
- */
- call_rxf_start_cbfn(rxf, BNA_CB_INTERRUPT);
- bfa_fsm_set_state(rxf, bna_rxf_sm_cam_fltr_clr_wait);
- break;
-
- case RXF_E_FAIL:
- rxf_reset_packet_filter(rxf);
- call_rxf_cam_fltr_cbfn(rxf, BNA_CB_SUCCESS);
- call_rxf_start_cbfn(rxf, BNA_CB_FAIL);
- bfa_fsm_set_state(rxf, bna_rxf_sm_stopped);
- break;
-
- case RXF_E_CAM_FLTR_MOD:
- /* No-op */
- break;
-
- case RXF_E_CAM_FLTR_RESP:
- if (!rxf_process_packet_filter(rxf)) {
- /* No more pending CAM entries to update */
- call_rxf_cam_fltr_cbfn(rxf, BNA_CB_SUCCESS);
- bfa_fsm_set_state(rxf, bna_rxf_sm_started);
- }
- break;
-
- case RXF_E_PAUSE:
- case RXF_E_RESUME:
- rxf->rxf_flags |= BNA_RXF_FL_OPERSTATE_CHANGED;
- break;
-
- default:
- bfa_sm_fault(event);
- }
-}
-
-static void
-bna_rxf_sm_started_entry(struct bna_rxf *rxf)
-{
- call_rxf_start_cbfn(rxf, BNA_CB_SUCCESS);
-
- if (rxf->rxf_flags & BNA_RXF_FL_OPERSTATE_CHANGED) {
- if (rxf->rxf_oper_state == BNA_RXF_OPER_STATE_PAUSED)
- bfa_fsm_send_event(rxf, RXF_E_PAUSE);
- else
- bfa_fsm_send_event(rxf, RXF_E_RESUME);
- }
-
-}
-
-static void
-bna_rxf_sm_started(struct bna_rxf *rxf, enum bna_rxf_event event)
-{
- switch (event) {
- case RXF_E_STOP:
- bfa_fsm_set_state(rxf, bna_rxf_sm_cam_fltr_clr_wait);
- /* Hack to get FSM start clearing CAM entries */
- bfa_fsm_send_event(rxf, RXF_E_CAM_FLTR_RESP);
- break;
-
- case RXF_E_FAIL:
- rxf_reset_packet_filter(rxf);
- bfa_fsm_set_state(rxf, bna_rxf_sm_stopped);
- break;
-
- case RXF_E_CAM_FLTR_MOD:
- bfa_fsm_set_state(rxf, bna_rxf_sm_cam_fltr_mod_wait);
- break;
-
- case RXF_E_PAUSE:
- bfa_fsm_set_state(rxf, bna_rxf_sm_pause_wait);
- break;
-
- case RXF_E_RESUME:
- bfa_fsm_set_state(rxf, bna_rxf_sm_resume_wait);
- break;
-
- default:
- bfa_sm_fault(event);
- }
-}
-
-static void
-bna_rxf_sm_cam_fltr_clr_wait_entry(struct bna_rxf *rxf)
-{
- /**
- * Note: Do not add rxf_clear_packet_filter here.
- * It will overstep mbox when this transition happens:
- * cam_fltr_mod_wait -> cam_fltr_clr_wait on RXF_E_STOP event
- */
-}
-
-static void
-bna_rxf_sm_cam_fltr_clr_wait(struct bna_rxf *rxf, enum bna_rxf_event event)
-{
- switch (event) {
- case RXF_E_FAIL:
- /**
- * FSM was in the process of stopping, initiated by
- * bnad. When this happens, no one can be waiting for
- * start or filter update
- */
- rxf_reset_packet_filter(rxf);
- bfa_fsm_set_state(rxf, bna_rxf_sm_stopped);
- break;
-
- case RXF_E_CAM_FLTR_RESP:
- if (!rxf_clear_packet_filter(rxf)) {
- /* No more pending CAM entries to clear */
- bfa_fsm_set_state(rxf, bna_rxf_sm_stop_wait);
- rxf_disable(rxf);
- }
- break;
-
- default:
- bfa_sm_fault(event);
- }
-}
-
-static void
-bna_rxf_sm_stop_wait_entry(struct bna_rxf *rxf)
-{
- /**
- * NOTE: Do not add rxf_disable here.
- * It will overstep mbox when this transition happens:
- * start_wait -> stop_wait on RXF_E_STOP event
- */
-}
-
-static void
-bna_rxf_sm_stop_wait(struct bna_rxf *rxf, enum bna_rxf_event event)
-{
- switch (event) {
- case RXF_E_FAIL:
- /**
- * FSM was in the process of stopping, initiated by
- * bnad. When this happens, no one can be waiting for
- * start or filter update
- */
- bfa_fsm_set_state(rxf, bna_rxf_sm_stopped);
- break;
-
- case RXF_E_STARTED:
- /**
- * This event is received due to abrupt transition from
- * bna_rxf_sm_start_wait state on receiving
- * RXF_E_STOP event
- */
- rxf_disable(rxf);
- break;
-
- case RXF_E_STOPPED:
- /**
- * FSM was in the process of stopping, initiated by
- * bnad. When this happens, no one can be waiting for
- * start or filter update
- */
- bfa_fsm_set_state(rxf, bna_rxf_sm_stat_clr_wait);
- break;
-
- case RXF_E_PAUSE:
- rxf->rxf_oper_state = BNA_RXF_OPER_STATE_PAUSED;
- break;
-
- case RXF_E_RESUME:
- rxf->rxf_oper_state = BNA_RXF_OPER_STATE_RUNNING;
- break;
-
- default:
- bfa_sm_fault(event);
- }
-}
-
-static void
-bna_rxf_sm_pause_wait_entry(struct bna_rxf *rxf)
-{
- rxf->rxf_flags &=
- ~(BNA_RXF_FL_OPERSTATE_CHANGED | BNA_RXF_FL_RXF_ENABLED);
- __rxf_disable(rxf);
-}
-
-static void
-bna_rxf_sm_pause_wait(struct bna_rxf *rxf, enum bna_rxf_event event)
-{
- switch (event) {
- case RXF_E_FAIL:
- /**
- * FSM was in the process of disabling rxf, initiated by
- * bnad.
- */
- call_rxf_pause_cbfn(rxf, BNA_CB_FAIL);
- bfa_fsm_set_state(rxf, bna_rxf_sm_stopped);
- break;
-
- case RXF_E_STOPPED:
- rxf->rxf_oper_state = BNA_RXF_OPER_STATE_PAUSED;
- call_rxf_pause_cbfn(rxf, BNA_CB_SUCCESS);
- bfa_fsm_set_state(rxf, bna_rxf_sm_started);
- break;
-
- /*
- * Since PAUSE/RESUME can only be sent by bnad, we don't expect
- * any other event during these states
- */
- default:
- bfa_sm_fault(event);
- }
-}
-
-static void
-bna_rxf_sm_resume_wait_entry(struct bna_rxf *rxf)
-{
- rxf->rxf_flags &= ~(BNA_RXF_FL_OPERSTATE_CHANGED);
- rxf->rxf_flags |= BNA_RXF_FL_RXF_ENABLED;
- __rxf_enable(rxf);
-}
-
-static void
-bna_rxf_sm_resume_wait(struct bna_rxf *rxf, enum bna_rxf_event event)
-{
- switch (event) {
- case RXF_E_FAIL:
- /**
- * FSM was in the process of disabling rxf, initiated by
- * bnad.
- */
- call_rxf_resume_cbfn(rxf, BNA_CB_FAIL);
- bfa_fsm_set_state(rxf, bna_rxf_sm_stopped);
- break;
-
- case RXF_E_STARTED:
- rxf->rxf_oper_state = BNA_RXF_OPER_STATE_RUNNING;
- call_rxf_resume_cbfn(rxf, BNA_CB_SUCCESS);
- bfa_fsm_set_state(rxf, bna_rxf_sm_started);
- break;
-
- /*
- * Since PAUSE/RESUME can only be sent by bnad, we don't expect
- * any other event during these states
- */
- default:
- bfa_sm_fault(event);
- }
-}
-
-static void
-bna_rxf_sm_stat_clr_wait_entry(struct bna_rxf *rxf)
-{
- __bna_rxf_stat_clr(rxf);
-}
-
-static void
-bna_rxf_sm_stat_clr_wait(struct bna_rxf *rxf, enum bna_rxf_event event)
-{
- switch (event) {
- case RXF_E_FAIL:
- case RXF_E_STAT_CLEARED:
- bfa_fsm_set_state(rxf, bna_rxf_sm_stopped);
- break;
-
- default:
- bfa_sm_fault(event);
- }
-}
-
-static void
-__rxf_enable(struct bna_rxf *rxf)
-{
- struct bfi_ll_rxf_multi_req ll_req;
- u32 bm[2] = {0, 0};
-
- if (rxf->rxf_id < 32)
- bm[0] = 1 << rxf->rxf_id;
- else
- bm[1] = 1 << (rxf->rxf_id - 32);
-
- bfi_h2i_set(ll_req.mh, BFI_MC_LL, BFI_LL_H2I_RX_REQ, 0);
- ll_req.rxf_id_mask[0] = htonl(bm[0]);
- ll_req.rxf_id_mask[1] = htonl(bm[1]);
- ll_req.enable = 1;
-
- bna_mbox_qe_fill(&rxf->mbox_qe, &ll_req, sizeof(ll_req),
- rxf_cb_enabled, rxf);
-
- bna_mbox_send(rxf->rx->bna, &rxf->mbox_qe);
-}
-
-static void
-__rxf_disable(struct bna_rxf *rxf)
-{
- struct bfi_ll_rxf_multi_req ll_req;
- u32 bm[2] = {0, 0};
-
- if (rxf->rxf_id < 32)
- bm[0] = 1 << rxf->rxf_id;
- else
- bm[1] = 1 << (rxf->rxf_id - 32);
-
- bfi_h2i_set(ll_req.mh, BFI_MC_LL, BFI_LL_H2I_RX_REQ, 0);
- ll_req.rxf_id_mask[0] = htonl(bm[0]);
- ll_req.rxf_id_mask[1] = htonl(bm[1]);
- ll_req.enable = 0;
-
- bna_mbox_qe_fill(&rxf->mbox_qe, &ll_req, sizeof(ll_req),
- rxf_cb_disabled, rxf);
-
- bna_mbox_send(rxf->rx->bna, &rxf->mbox_qe);
-}
-
-static void
-__rxf_config_set(struct bna_rxf *rxf)
-{
- u32 i;
- struct bna_rss_mem *rss_mem;
- struct bna_rx_fndb_ram *rx_fndb_ram;
- struct bna *bna = rxf->rx->bna;
- void __iomem *base_addr;
- unsigned long off;
-
- base_addr = BNA_GET_MEM_BASE_ADDR(bna->pcidev.pci_bar_kva,
- RSS_TABLE_BASE_OFFSET);
-
- rss_mem = (struct bna_rss_mem *)0;
-
- /* Configure RSS if required */
- if (rxf->ctrl_flags & BNA_RXF_CF_RSS_ENABLE) {
- /* configure RSS Table */
- writel(BNA_GET_PAGE_NUM(RAD0_MEM_BLK_BASE_PG_NUM +
- bna->port_num, RSS_TABLE_BASE_OFFSET),
- bna->regs.page_addr);
-
- /* temporarily disable RSS, while hash value is written */
- off = (unsigned long)&rss_mem[0].type_n_hash;
- writel(0, base_addr + off);
-
- for (i = 0; i < BFI_RSS_HASH_KEY_LEN; i++) {
- off = (unsigned long)
- &rss_mem[0].hash_key[(BFI_RSS_HASH_KEY_LEN - 1) - i];
- writel(htonl(rxf->rss_cfg.toeplitz_hash_key[i]),
- base_addr + off);
- }
-
- off = (unsigned long)&rss_mem[0].type_n_hash;
- writel(rxf->rss_cfg.hash_type | rxf->rss_cfg.hash_mask,
- base_addr + off);
- }
-
- /* Configure RxF */
- writel(BNA_GET_PAGE_NUM(
- LUT0_MEM_BLK_BASE_PG_NUM + (bna->port_num * 2),
- RX_FNDB_RAM_BASE_OFFSET),
- bna->regs.page_addr);
-
- base_addr = BNA_GET_MEM_BASE_ADDR(bna->pcidev.pci_bar_kva,
- RX_FNDB_RAM_BASE_OFFSET);
-
- rx_fndb_ram = (struct bna_rx_fndb_ram *)0;
-
- /* We always use RSS table 0 */
- off = (unsigned long)&rx_fndb_ram[rxf->rxf_id].rss_prop;
- writel(rxf->ctrl_flags & BNA_RXF_CF_RSS_ENABLE,
- base_addr + off);
-
- /* small large buffer enable/disable */
- off = (unsigned long)&rx_fndb_ram[rxf->rxf_id].size_routing_props;
- writel((rxf->ctrl_flags & BNA_RXF_CF_SM_LG_RXQ) | 0x80,
- base_addr + off);
-
- /* RIT offset, HDS forced offset, multicast RxQ Id */
- off = (unsigned long)&rx_fndb_ram[rxf->rxf_id].rit_hds_mcastq;
- writel((rxf->rit_segment->rit_offset << 16) |
- (rxf->forced_offset << 8) |
- (rxf->hds_cfg.hdr_type & BNA_HDS_FORCED) | rxf->mcast_rxq_id,
- base_addr + off);
-
- /*
- * default vlan tag, default function enable, strip vlan bytes,
- * HDS type, header size
- */
-
- off = (unsigned long)&rx_fndb_ram[rxf->rxf_id].control_flags;
- writel(((u32)rxf->default_vlan_tag << 16) |
- (rxf->ctrl_flags &
- (BNA_RXF_CF_DEFAULT_VLAN |
- BNA_RXF_CF_DEFAULT_FUNCTION_ENABLE |
- BNA_RXF_CF_VLAN_STRIP)) |
- (rxf->hds_cfg.hdr_type & ~BNA_HDS_FORCED) |
- rxf->hds_cfg.header_size,
- base_addr + off);
-}
-
-void
-__rxf_vlan_filter_set(struct bna_rxf *rxf, enum bna_status status)
-{
- struct bna *bna = rxf->rx->bna;
- int i;
-
- writel(BNA_GET_PAGE_NUM(LUT0_MEM_BLK_BASE_PG_NUM +
- (bna->port_num * 2), VLAN_RAM_BASE_OFFSET),
- bna->regs.page_addr);
-
- if (status == BNA_STATUS_T_ENABLED) {
- /* enable VLAN filtering on this function */
- for (i = 0; i <= BFI_MAX_VLAN / 32; i++) {
- writel(rxf->vlan_filter_table[i],
- BNA_GET_VLAN_MEM_ENTRY_ADDR
- (bna->pcidev.pci_bar_kva, rxf->rxf_id,
- i * 32));
- }
- } else {
- /* disable VLAN filtering on this function */
- for (i = 0; i <= BFI_MAX_VLAN / 32; i++) {
- writel(0xffffffff,
- BNA_GET_VLAN_MEM_ENTRY_ADDR
- (bna->pcidev.pci_bar_kva, rxf->rxf_id,
- i * 32));
- }
- }
-}
-
-static void
-__rxf_rit_set(struct bna_rxf *rxf)
-{
- struct bna *bna = rxf->rx->bna;
- struct bna_rit_mem *rit_mem;
- int i;
- void __iomem *base_addr;
- unsigned long off;
-
- base_addr = BNA_GET_MEM_BASE_ADDR(bna->pcidev.pci_bar_kva,
- FUNCTION_TO_RXQ_TRANSLATE);
-
- rit_mem = (struct bna_rit_mem *)0;
-
- writel(BNA_GET_PAGE_NUM(RXA0_MEM_BLK_BASE_PG_NUM + bna->port_num,
- FUNCTION_TO_RXQ_TRANSLATE),
- bna->regs.page_addr);
-
- for (i = 0; i < rxf->rit_segment->rit_size; i++) {
- off = (unsigned long)&rit_mem[i + rxf->rit_segment->rit_offset];
- writel(rxf->rit_segment->rit[i].large_rxq_id << 6 |
- rxf->rit_segment->rit[i].small_rxq_id,
- base_addr + off);
- }
-}
-
-static void
-__bna_rxf_stat_clr(struct bna_rxf *rxf)
-{
- struct bfi_ll_stats_req ll_req;
- u32 bm[2] = {0, 0};
-
- if (rxf->rxf_id < 32)
- bm[0] = 1 << rxf->rxf_id;
- else
- bm[1] = 1 << (rxf->rxf_id - 32);
-
- bfi_h2i_set(ll_req.mh, BFI_MC_LL, BFI_LL_H2I_STATS_CLEAR_REQ, 0);
- ll_req.stats_mask = 0;
- ll_req.txf_id_mask[0] = 0;
- ll_req.txf_id_mask[1] = 0;
-
- ll_req.rxf_id_mask[0] = htonl(bm[0]);
- ll_req.rxf_id_mask[1] = htonl(bm[1]);
-
- bna_mbox_qe_fill(&rxf->mbox_qe, &ll_req, sizeof(ll_req),
- bna_rxf_cb_stats_cleared, rxf);
- bna_mbox_send(rxf->rx->bna, &rxf->mbox_qe);
-}
-
-static void
-rxf_enable(struct bna_rxf *rxf)
-{
- if (rxf->rxf_oper_state == BNA_RXF_OPER_STATE_PAUSED)
- bfa_fsm_send_event(rxf, RXF_E_STARTED);
- else {
- rxf->rxf_flags |= BNA_RXF_FL_RXF_ENABLED;
- __rxf_enable(rxf);
- }
-}
-
-static void
-rxf_cb_enabled(void *arg, int status)
-{
- struct bna_rxf *rxf = (struct bna_rxf *)arg;
-
- bfa_q_qe_init(&rxf->mbox_qe.qe);
- bfa_fsm_send_event(rxf, RXF_E_STARTED);
-}
-
-static void
-rxf_disable(struct bna_rxf *rxf)
-{
- if (rxf->rxf_oper_state == BNA_RXF_OPER_STATE_PAUSED)
- bfa_fsm_send_event(rxf, RXF_E_STOPPED);
- else
- rxf->rxf_flags &= ~BNA_RXF_FL_RXF_ENABLED;
- __rxf_disable(rxf);
-}
-
-static void
-rxf_cb_disabled(void *arg, int status)
-{
- struct bna_rxf *rxf = (struct bna_rxf *)arg;
-
- bfa_q_qe_init(&rxf->mbox_qe.qe);
- bfa_fsm_send_event(rxf, RXF_E_STOPPED);
-}
-
-void
-rxf_cb_cam_fltr_mbox_cmd(void *arg, int status)
-{
- struct bna_rxf *rxf = (struct bna_rxf *)arg;
-
- bfa_q_qe_init(&rxf->mbox_qe.qe);
-
- bfa_fsm_send_event(rxf, RXF_E_CAM_FLTR_RESP);
-}
-
-static void
-bna_rxf_cb_stats_cleared(void *arg, int status)
-{
- struct bna_rxf *rxf = (struct bna_rxf *)arg;
-
- bfa_q_qe_init(&rxf->mbox_qe.qe);
- bfa_fsm_send_event(rxf, RXF_E_STAT_CLEARED);
-}
-
-void
-rxf_cam_mbox_cmd(struct bna_rxf *rxf, u8 cmd,
- const struct bna_mac *mac_addr)
-{
- struct bfi_ll_mac_addr_req req;
-
- bfi_h2i_set(req.mh, BFI_MC_LL, cmd, 0);
-
- req.rxf_id = rxf->rxf_id;
- memcpy(&req.mac_addr, (void *)&mac_addr->addr, ETH_ALEN);
-
- bna_mbox_qe_fill(&rxf->mbox_qe, &req, sizeof(req),
- rxf_cb_cam_fltr_mbox_cmd, rxf);
-
- bna_mbox_send(rxf->rx->bna, &rxf->mbox_qe);
-}
-
-static int
-rxf_process_packet_filter_mcast(struct bna_rxf *rxf)
-{
- struct bna_mac *mac = NULL;
- struct list_head *qe;
-
- /* Add multicast entries */
- if (!list_empty(&rxf->mcast_pending_add_q)) {
- bfa_q_deq(&rxf->mcast_pending_add_q, &qe);
- bfa_q_qe_init(qe);
- mac = (struct bna_mac *)qe;
- rxf_cam_mbox_cmd(rxf, BFI_LL_H2I_MAC_MCAST_ADD_REQ, mac);
- list_add_tail(&mac->qe, &rxf->mcast_active_q);
- return 1;
- }
-
- /* Delete multicast entries previousely added */
- if (!list_empty(&rxf->mcast_pending_del_q)) {
- bfa_q_deq(&rxf->mcast_pending_del_q, &qe);
- bfa_q_qe_init(qe);
- mac = (struct bna_mac *)qe;
- rxf_cam_mbox_cmd(rxf, BFI_LL_H2I_MAC_MCAST_DEL_REQ, mac);
- bna_mcam_mod_mac_put(&rxf->rx->bna->mcam_mod, mac);
- return 1;
- }
-
- return 0;
-}
-
-static int
-rxf_process_packet_filter_vlan(struct bna_rxf *rxf)
-{
- /* Apply the VLAN filter */
- if (rxf->rxf_flags & BNA_RXF_FL_VLAN_CONFIG_PENDING) {
- rxf->rxf_flags &= ~BNA_RXF_FL_VLAN_CONFIG_PENDING;
- if (!(rxf->rxmode_active & BNA_RXMODE_PROMISC))
- __rxf_vlan_filter_set(rxf, rxf->vlan_filter_status);
- }
-
- /* Apply RSS configuration */
- if (rxf->rxf_flags & BNA_RXF_FL_RSS_CONFIG_PENDING) {
- rxf->rxf_flags &= ~BNA_RXF_FL_RSS_CONFIG_PENDING;
- if (rxf->rss_status == BNA_STATUS_T_DISABLED) {
- /* RSS is being disabled */
- rxf->ctrl_flags &= ~BNA_RXF_CF_RSS_ENABLE;
- __rxf_rit_set(rxf);
- __rxf_config_set(rxf);
- } else {
- /* RSS is being enabled or reconfigured */
- rxf->ctrl_flags |= BNA_RXF_CF_RSS_ENABLE;
- __rxf_rit_set(rxf);
- __rxf_config_set(rxf);
- }
- }
-
- return 0;
-}
-
-/**
- * Processes pending ucast, mcast entry addition/deletion and issues mailbox
- * command. Also processes pending filter configuration - promiscuous mode,
- * default mode, allmutli mode and issues mailbox command or directly applies
- * to h/w
- */
-static int
-rxf_process_packet_filter(struct bna_rxf *rxf)
-{
- /* Set the default MAC first */
- if (rxf->ucast_pending_set > 0) {
- rxf_cam_mbox_cmd(rxf, BFI_LL_H2I_MAC_UCAST_SET_REQ,
- rxf->ucast_active_mac);
- rxf->ucast_pending_set--;
- return 1;
- }
-
- if (rxf_process_packet_filter_ucast(rxf))
- return 1;
-
- if (rxf_process_packet_filter_mcast(rxf))
- return 1;
-
- if (rxf_process_packet_filter_promisc(rxf))
- return 1;
-
- if (rxf_process_packet_filter_allmulti(rxf))
- return 1;
-
- if (rxf_process_packet_filter_vlan(rxf))
- return 1;
-
- return 0;
-}
-
-static int
-rxf_clear_packet_filter_mcast(struct bna_rxf *rxf)
-{
- struct bna_mac *mac = NULL;
- struct list_head *qe;
-
- /* 3. delete pending mcast entries */
- if (!list_empty(&rxf->mcast_pending_del_q)) {
- bfa_q_deq(&rxf->mcast_pending_del_q, &qe);
- bfa_q_qe_init(qe);
- mac = (struct bna_mac *)qe;
- rxf_cam_mbox_cmd(rxf, BFI_LL_H2I_MAC_MCAST_DEL_REQ, mac);
- bna_mcam_mod_mac_put(&rxf->rx->bna->mcam_mod, mac);
- return 1;
- }
-
- /* 4. clear active mcast entries; move them to pending_add_q */
- if (!list_empty(&rxf->mcast_active_q)) {
- bfa_q_deq(&rxf->mcast_active_q, &qe);
- bfa_q_qe_init(qe);
- mac = (struct bna_mac *)qe;
- rxf_cam_mbox_cmd(rxf, BFI_LL_H2I_MAC_MCAST_DEL_REQ, mac);
- list_add_tail(&mac->qe, &rxf->mcast_pending_add_q);
- return 1;
- }
-
- return 0;
-}
-
-/**
- * In the rxf stop path, processes pending ucast/mcast delete queue and issues
- * the mailbox command. Moves the active ucast/mcast entries to pending add q,
- * so that they are added to CAM again in the rxf start path. Moves the current
- * filter settings - promiscuous, default, allmutli - to pending filter
- * configuration
- */
-static int
-rxf_clear_packet_filter(struct bna_rxf *rxf)
-{
- if (rxf_clear_packet_filter_ucast(rxf))
- return 1;
-
- if (rxf_clear_packet_filter_mcast(rxf))
- return 1;
-
- /* 5. clear active default MAC in the CAM */
- if (rxf->ucast_pending_set > 0)
- rxf->ucast_pending_set = 0;
-
- if (rxf_clear_packet_filter_promisc(rxf))
- return 1;
-
- if (rxf_clear_packet_filter_allmulti(rxf))
- return 1;
-
- return 0;
-}
-
-static void
-rxf_reset_packet_filter_mcast(struct bna_rxf *rxf)
-{
- struct list_head *qe;
- struct bna_mac *mac;
-
- /* 3. Move active mcast entries to pending_add_q */
- while (!list_empty(&rxf->mcast_active_q)) {
- bfa_q_deq(&rxf->mcast_active_q, &qe);
- bfa_q_qe_init(qe);
- list_add_tail(qe, &rxf->mcast_pending_add_q);
- }
-
- /* 4. Throw away delete pending mcast entries */
- while (!list_empty(&rxf->mcast_pending_del_q)) {
- bfa_q_deq(&rxf->mcast_pending_del_q, &qe);
- bfa_q_qe_init(qe);
- mac = (struct bna_mac *)qe;
- bna_mcam_mod_mac_put(&rxf->rx->bna->mcam_mod, mac);
- }
-}
-
-/**
- * In the rxf fail path, throws away the ucast/mcast entries pending for
- * deletion, moves all active ucast/mcast entries to pending queue so that
- * they are added back to CAM in the rxf start path. Also moves the current
- * filter configuration to pending filter configuration.
- */
-static void
-rxf_reset_packet_filter(struct bna_rxf *rxf)
-{
- rxf_reset_packet_filter_ucast(rxf);
-
- rxf_reset_packet_filter_mcast(rxf);
-
- /* 5. Turn off ucast set flag */
- rxf->ucast_pending_set = 0;
-
- rxf_reset_packet_filter_promisc(rxf);
-
- rxf_reset_packet_filter_allmulti(rxf);
-}
-
-static void
-bna_rxf_init(struct bna_rxf *rxf,
- struct bna_rx *rx,
- struct bna_rx_config *q_config)
-{
- struct list_head *qe;
- struct bna_rxp *rxp;
-
- /* rxf_id is initialized during rx_mod init */
- rxf->rx = rx;
-
- INIT_LIST_HEAD(&rxf->ucast_pending_add_q);
- INIT_LIST_HEAD(&rxf->ucast_pending_del_q);
- rxf->ucast_pending_set = 0;
- INIT_LIST_HEAD(&rxf->ucast_active_q);
- rxf->ucast_active_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);
-
- bfa_q_qe_init(&rxf->mbox_qe.qe);
-
- if (q_config->vlan_strip_status == BNA_STATUS_T_ENABLED)
- rxf->ctrl_flags |= BNA_RXF_CF_VLAN_STRIP;
-
- rxf->rxf_oper_state = (q_config->paused) ?
- BNA_RXF_OPER_STATE_PAUSED : BNA_RXF_OPER_STATE_RUNNING;
-
- bna_rxf_adv_init(rxf, rx, q_config);
-
- rxf->rit_segment = bna_rit_mod_seg_get(&rxf->rx->bna->rit_mod,
- q_config->num_paths);
-
- list_for_each(qe, &rx->rxp_q) {
- rxp = (struct bna_rxp *)qe;
- if (q_config->rxp_type == BNA_RXP_SINGLE)
- rxf->mcast_rxq_id = rxp->rxq.single.only->rxq_id;
- else
- rxf->mcast_rxq_id = rxp->rxq.slr.large->rxq_id;
- break;
- }
-
- rxf->vlan_filter_status = BNA_STATUS_T_DISABLED;
- memset(rxf->vlan_filter_table, 0,
- (sizeof(u32) * ((BFI_MAX_VLAN + 1) / 32)));
-
- /* Set up VLAN 0 for pure priority tagged packets */
- rxf->vlan_filter_table[0] |= 1;
-
- bfa_fsm_set_state(rxf, bna_rxf_sm_stopped);
-}
-
-static void
-bna_rxf_uninit(struct bna_rxf *rxf)
-{
- struct bna *bna = rxf->rx->bna;
- struct bna_mac *mac;
-
- bna_rit_mod_seg_put(&rxf->rx->bna->rit_mod, rxf->rit_segment);
- rxf->rit_segment = NULL;
-
- rxf->ucast_pending_set = 0;
-
- while (!list_empty(&rxf->ucast_pending_add_q)) {
- bfa_q_deq(&rxf->ucast_pending_add_q, &mac);
- bfa_q_qe_init(&mac->qe);
- bna_ucam_mod_mac_put(&rxf->rx->bna->ucam_mod, mac);
- }
-
- if (rxf->ucast_active_mac) {
- bfa_q_qe_init(&rxf->ucast_active_mac->qe);
- bna_ucam_mod_mac_put(&rxf->rx->bna->ucam_mod,
- rxf->ucast_active_mac);
- rxf->ucast_active_mac = NULL;
- }
-
- while (!list_empty(&rxf->mcast_pending_add_q)) {
- bfa_q_deq(&rxf->mcast_pending_add_q, &mac);
- bfa_q_qe_init(&mac->qe);
- bna_mcam_mod_mac_put(&rxf->rx->bna->mcam_mod, mac);
- }
-
- /* Turn off pending promisc mode */
- if (is_promisc_enable(rxf->rxmode_pending,
- rxf->rxmode_pending_bitmask)) {
- /* system promisc state should be pending */
- BUG_ON(!(bna->rxf_promisc_id == rxf->rxf_id));
- promisc_inactive(rxf->rxmode_pending,
- rxf->rxmode_pending_bitmask);
- bna->rxf_promisc_id = BFI_MAX_RXF;
- }
- /* Promisc mode should not be active */
- BUG_ON(rxf->rxmode_active & BNA_RXMODE_PROMISC);
-
- /* Turn off pending all-multi mode */
- if (is_allmulti_enable(rxf->rxmode_pending,
- rxf->rxmode_pending_bitmask)) {
- allmulti_inactive(rxf->rxmode_pending,
- rxf->rxmode_pending_bitmask);
- }
- /* Allmulti mode should not be active */
- BUG_ON(rxf->rxmode_active & BNA_RXMODE_ALLMULTI);
-
- rxf->rx = NULL;
-}
-
-static void
-bna_rx_cb_rxf_started(struct bna_rx *rx, enum bna_cb_status status)
-{
- bfa_fsm_send_event(rx, RX_E_RXF_STARTED);
- if (rx->rxf.rxf_id < 32)
- rx->bna->rx_mod.rxf_bmap[0] |= ((u32)1 << rx->rxf.rxf_id);
- else
- rx->bna->rx_mod.rxf_bmap[1] |= ((u32)
- 1 << (rx->rxf.rxf_id - 32));
-}
-
-static void
-bna_rxf_start(struct bna_rxf *rxf)
-{
- rxf->start_cbfn = bna_rx_cb_rxf_started;
- rxf->start_cbarg = rxf->rx;
- rxf->rxf_flags &= ~BNA_RXF_FL_FAILED;
- bfa_fsm_send_event(rxf, RXF_E_START);
-}
-
-static void
-bna_rx_cb_rxf_stopped(struct bna_rx *rx, enum bna_cb_status status)
-{
- bfa_fsm_send_event(rx, RX_E_RXF_STOPPED);
- if (rx->rxf.rxf_id < 32)
- rx->bna->rx_mod.rxf_bmap[0] &= ~(u32)1 << rx->rxf.rxf_id;
- else
- rx->bna->rx_mod.rxf_bmap[1] &= ~(u32)
- 1 << (rx->rxf.rxf_id - 32);
-}
-
-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)
-{
- rxf->rxf_flags |= BNA_RXF_FL_FAILED;
- bfa_fsm_send_event(rxf, RXF_E_FAIL);
-}
-
-int
-bna_rxf_state_get(struct bna_rxf *rxf)
-{
- return bfa_sm_to_state(rxf_sm_table, rxf->fsm);
-}
-
-enum bna_cb_status
-bna_rx_ucast_set(struct bna_rx *rx, u8 *ucmac,
- void (*cbfn)(struct bnad *, struct bna_rx *,
- enum bna_cb_status))
-{
- struct bna_rxf *rxf = &rx->rxf;
-
- if (rxf->ucast_active_mac == NULL) {
- rxf->ucast_active_mac =
- bna_ucam_mod_mac_get(&rxf->rx->bna->ucam_mod);
- if (rxf->ucast_active_mac == NULL)
- return BNA_CB_UCAST_CAM_FULL;
- bfa_q_qe_init(&rxf->ucast_active_mac->qe);
- }
-
- memcpy(rxf->ucast_active_mac->addr, ucmac, ETH_ALEN);
- rxf->ucast_pending_set++;
- rxf->cam_fltr_cbfn = cbfn;
- rxf->cam_fltr_cbarg = rx->bna->bnad;
-
- bfa_fsm_send_event(rxf, RXF_E_CAM_FLTR_MOD);
-
- return BNA_CB_SUCCESS;
-}
-
-enum bna_cb_status
-bna_rx_mcast_add(struct bna_rx *rx, u8 *addr,
- void (*cbfn)(struct bnad *, struct bna_rx *,
- enum bna_cb_status))
-{
- struct bna_rxf *rxf = &rx->rxf;
- struct list_head *qe;
- struct bna_mac *mac;
-
- /* Check if already added */
- list_for_each(qe, &rxf->mcast_active_q) {
- mac = (struct bna_mac *)qe;
- if (BNA_MAC_IS_EQUAL(mac->addr, addr)) {
- if (cbfn)
- (*cbfn)(rx->bna->bnad, rx, BNA_CB_SUCCESS);
- return BNA_CB_SUCCESS;
- }
- }
-
- /* Check if pending addition */
- list_for_each(qe, &rxf->mcast_pending_add_q) {
- mac = (struct bna_mac *)qe;
- if (BNA_MAC_IS_EQUAL(mac->addr, addr)) {
- if (cbfn)
- (*cbfn)(rx->bna->bnad, rx, BNA_CB_SUCCESS);
- return BNA_CB_SUCCESS;
- }
- }
-
- mac = bna_mcam_mod_mac_get(&rxf->rx->bna->mcam_mod);
- if (mac == NULL)
- return BNA_CB_MCAST_LIST_FULL;
- bfa_q_qe_init(&mac->qe);
- memcpy(mac->addr, addr, ETH_ALEN);
- 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_CAM_FLTR_MOD);
-
- return BNA_CB_SUCCESS;
-}
-
-enum bna_cb_status
-bna_rx_mcast_listset(struct bna_rx *rx, int count, u8 *mclist,
- void (*cbfn)(struct bnad *, struct bna_rx *,
- enum bna_cb_status))
-{
- struct bna_rxf *rxf = &rx->rxf;
- struct list_head list_head;
- struct list_head *qe;
- u8 *mcaddr;
- struct bna_mac *mac;
- struct bna_mac *mac1;
- int skip;
- int delete;
- int need_hw_config = 0;
- int i;
-
- /* Allocate nodes */
- INIT_LIST_HEAD(&list_head);
- for (i = 0, mcaddr = mclist; i < count; i++) {
- mac = bna_mcam_mod_mac_get(&rxf->rx->bna->mcam_mod);
- if (mac == NULL)
- goto err_return;
- bfa_q_qe_init(&mac->qe);
- memcpy(mac->addr, mcaddr, ETH_ALEN);
- list_add_tail(&mac->qe, &list_head);
-
- mcaddr += ETH_ALEN;
- }
-
- /* Schedule for addition */
- while (!list_empty(&list_head)) {
- bfa_q_deq(&list_head, &qe);
- mac = (struct bna_mac *)qe;
- bfa_q_qe_init(&mac->qe);
-
- skip = 0;
-
- /* Skip if already added */
- list_for_each(qe, &rxf->mcast_active_q) {
- mac1 = (struct bna_mac *)qe;
- if (BNA_MAC_IS_EQUAL(mac1->addr, mac->addr)) {
- bna_mcam_mod_mac_put(&rxf->rx->bna->mcam_mod,
- mac);
- skip = 1;
- break;
- }
- }
-
- if (skip)
- continue;
-
- /* Skip if pending addition */
- list_for_each(qe, &rxf->mcast_pending_add_q) {
- mac1 = (struct bna_mac *)qe;
- if (BNA_MAC_IS_EQUAL(mac1->addr, mac->addr)) {
- bna_mcam_mod_mac_put(&rxf->rx->bna->mcam_mod,
- mac);
- skip = 1;
- break;
- }
- }
-
- if (skip)
- continue;
-
- need_hw_config = 1;
- list_add_tail(&mac->qe, &rxf->mcast_pending_add_q);
- }
-
- /**
- * Delete the entries that are in the pending_add_q but not
- * in the new list
- */
- while (!list_empty(&rxf->mcast_pending_add_q)) {
- bfa_q_deq(&rxf->mcast_pending_add_q, &qe);
- mac = (struct bna_mac *)qe;
- bfa_q_qe_init(&mac->qe);
- for (i = 0, mcaddr = mclist, delete = 1; i < count; i++) {
- if (BNA_MAC_IS_EQUAL(mcaddr, mac->addr)) {
- delete = 0;
- break;
- }
- mcaddr += ETH_ALEN;
- }
- if (delete)
- bna_mcam_mod_mac_put(&rxf->rx->bna->mcam_mod, mac);
- else
- list_add_tail(&mac->qe, &list_head);
- }
- while (!list_empty(&list_head)) {
- bfa_q_deq(&list_head, &qe);
- mac = (struct bna_mac *)qe;
- bfa_q_qe_init(&mac->qe);
- list_add_tail(&mac->qe, &rxf->mcast_pending_add_q);
- }
-
- /**
- * Schedule entries for deletion that are in the active_q but not
- * in the new list
- */
- while (!list_empty(&rxf->mcast_active_q)) {
- bfa_q_deq(&rxf->mcast_active_q, &qe);
- mac = (struct bna_mac *)qe;
- bfa_q_qe_init(&mac->qe);
- for (i = 0, mcaddr = mclist, delete = 1; i < count; i++) {
- if (BNA_MAC_IS_EQUAL(mcaddr, mac->addr)) {
- delete = 0;
- break;
- }
- mcaddr += ETH_ALEN;
- }
- if (delete) {
- list_add_tail(&mac->qe, &rxf->mcast_pending_del_q);
- need_hw_config = 1;
- } else {
- list_add_tail(&mac->qe, &list_head);
- }
- }
- while (!list_empty(&list_head)) {
- bfa_q_deq(&list_head, &qe);
- mac = (struct bna_mac *)qe;
- bfa_q_qe_init(&mac->qe);
- list_add_tail(&mac->qe, &rxf->mcast_active_q);
- }
-
- if (need_hw_config) {
- rxf->cam_fltr_cbfn = cbfn;
- rxf->cam_fltr_cbarg = rx->bna->bnad;
- bfa_fsm_send_event(rxf, RXF_E_CAM_FLTR_MOD);
- } else if (cbfn)
- (*cbfn)(rx->bna->bnad, rx, BNA_CB_SUCCESS);
-
- return BNA_CB_SUCCESS;
-
-err_return:
- while (!list_empty(&list_head)) {
- bfa_q_deq(&list_head, &qe);
- mac = (struct bna_mac *)qe;
- bfa_q_qe_init(&mac->qe);
- bna_mcam_mod_mac_put(&rxf->rx->bna->mcam_mod, mac);
- }
-
- return BNA_CB_MCAST_LIST_FULL;
-}
-
-void
-bna_rx_vlan_add(struct bna_rx *rx, int vlan_id)
-{
- struct bna_rxf *rxf = &rx->rxf;
- int index = (vlan_id >> 5);
- int bit = (1 << (vlan_id & 0x1F));
-
- rxf->vlan_filter_table[index] |= bit;
- if (rxf->vlan_filter_status == BNA_STATUS_T_ENABLED) {
- rxf->rxf_flags |= BNA_RXF_FL_VLAN_CONFIG_PENDING;
- bfa_fsm_send_event(rxf, RXF_E_CAM_FLTR_MOD);
- }
-}
-
-void
-bna_rx_vlan_del(struct bna_rx *rx, int vlan_id)
-{
- struct bna_rxf *rxf = &rx->rxf;
- int index = (vlan_id >> 5);
- int bit = (1 << (vlan_id & 0x1F));
-
- rxf->vlan_filter_table[index] &= ~bit;
- if (rxf->vlan_filter_status == BNA_STATUS_T_ENABLED) {
- rxf->rxf_flags |= BNA_RXF_FL_VLAN_CONFIG_PENDING;
- bfa_fsm_send_event(rxf, RXF_E_CAM_FLTR_MOD);
- }
-}
-
-/**
- * RX
- */
-#define RXQ_RCB_INIT(q, rxp, qdepth, bna, _id, unmapq_mem) do { \
- struct bna_doorbell_qset *_qset; \
- unsigned long off; \
- (q)->rcb->producer_index = (q)->rcb->consumer_index = 0; \
- (q)->rcb->q_depth = (qdepth); \
- (q)->rcb->unmap_q = unmapq_mem; \
- (q)->rcb->rxq = (q); \
- (q)->rcb->cq = &(rxp)->cq; \
- (q)->rcb->bnad = (bna)->bnad; \
- _qset = (struct bna_doorbell_qset *)0; \
- off = (unsigned long)&_qset[(q)->rxq_id].rxq[0]; \
- (q)->rcb->q_dbell = off + \
- BNA_GET_DOORBELL_BASE_ADDR((bna)->pcidev.pci_bar_kva); \
- (q)->rcb->id = _id; \
-} while (0)
-
-#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_callback(rx, status) \
- if ((rx)->stop_cbfn) { \
- (*(rx)->stop_cbfn)((rx)->stop_cbarg, rx, (status)); \
- (rx)->stop_cbfn = NULL; \
- (rx)->stop_cbarg = NULL; \
- }
-
-/*
- * Since rx_enable is synchronous callback, there is no start_cbfn required.
- * Instead, we'll call bnad_rx_post(rxp) so that bnad can post the buffers
- * for each rxpath.
- */
-
-#define call_rx_disable_cbfn(rx, status) \
- if ((rx)->disable_cbfn) { \
- (*(rx)->disable_cbfn)((rx)->disable_cbarg, \
- status); \
- (rx)->disable_cbfn = NULL; \
- (rx)->disable_cbarg = NULL; \
- } \
-
-#define rxqs_reqd(type, num_rxqs) \
- (((type) == BNA_RXP_SINGLE) ? (num_rxqs) : ((num_rxqs) * 2))
-
-#define rx_ib_fail(rx) \
-do { \
- struct bna_rxp *rxp; \
- struct list_head *qe; \
- list_for_each(qe, &(rx)->rxp_q) { \
- rxp = (struct bna_rxp *)qe; \
- bna_ib_fail(rxp->cq.ib); \
- } \
-} while (0)
-
-static void __bna_multi_rxq_stop(struct bna_rxp *, u32 *);
-static void __bna_rxq_start(struct bna_rxq *rxq);
-static void __bna_cq_start(struct bna_cq *cq);
-static void bna_rit_create(struct bna_rx *rx);
-static void bna_rx_cb_multi_rxq_stopped(void *arg, int status);
-static void bna_rx_cb_rxq_stopped_all(void *arg);
-
-bfa_fsm_state_decl(bna_rx, stopped,
- 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, rxq_stop_wait,
- struct bna_rx, enum bna_rx_event);
-
-static const struct bfa_sm_table rx_sm_table[] = {
- {BFA_SM(bna_rx_sm_stopped), BNA_RX_STOPPED},
- {BFA_SM(bna_rx_sm_rxf_start_wait), BNA_RX_RXF_START_WAIT},
- {BFA_SM(bna_rx_sm_started), BNA_RX_STARTED},
- {BFA_SM(bna_rx_sm_rxf_stop_wait), BNA_RX_RXF_STOP_WAIT},
- {BFA_SM(bna_rx_sm_rxq_stop_wait), BNA_RX_RXQ_STOP_WAIT},
-};
-
-static void bna_rx_sm_stopped_entry(struct bna_rx *rx)
-{
- struct bna_rxp *rxp;
- struct list_head *qe_rxp;
-
- list_for_each(qe_rxp, &rx->rxp_q) {
- rxp = (struct bna_rxp *)qe_rxp;
- rx->rx_cleanup_cbfn(rx->bna->bnad, rxp->cq.ccb);
- }
-
- call_rx_stop_callback(rx, BNA_CB_SUCCESS);
-}
-
-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_rxf_start_wait);
- break;
- case RX_E_STOP:
- call_rx_stop_callback(rx, BNA_CB_SUCCESS);
- break;
- case RX_E_FAIL:
- /* no-op */
- break;
- default:
- bfa_sm_fault(event);
- break;
- }
-
-}
-
-static void bna_rx_sm_rxf_start_wait_entry(struct bna_rx *rx)
-{
- struct bna_rxp *rxp;
- struct list_head *qe_rxp;
- struct bna_rxq *q0 = NULL, *q1 = NULL;
-
- /* Setup the RIT */
- bna_rit_create(rx);
-
- list_for_each(qe_rxp, &rx->rxp_q) {
- rxp = (struct bna_rxp *)qe_rxp;
- bna_ib_start(rxp->cq.ib);
- GET_RXQS(rxp, q0, q1);
- q0->buffer_size = bna_port_mtu_get(&rx->bna->port);
- __bna_rxq_start(q0);
- rx->rx_post_cbfn(rx->bna->bnad, q0->rcb);
- if (q1) {
- __bna_rxq_start(q1);
- rx->rx_post_cbfn(rx->bna->bnad, q1->rcb);
- }
- __bna_cq_start(&rxp->cq);
- }
-
- bna_rxf_start(&rx->rxf);
-}
-
-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_stopped);
- rx_ib_fail(rx);
- bna_rxf_fail(&rx->rxf);
- break;
- case RX_E_RXF_STARTED:
- bfa_fsm_set_state(rx, bna_rx_sm_started);
- break;
- default:
- bfa_sm_fault(event);
- break;
- }
-}
-
-void
-bna_rx_sm_started_entry(struct bna_rx *rx)
-{
- struct bna_rxp *rxp;
- struct list_head *qe_rxp;
-
- /* Start IB */
- list_for_each(qe_rxp, &rx->rxp_q) {
- rxp = (struct bna_rxp *)qe_rxp;
- bna_ib_ack(&rxp->cq.ib->door_bell, 0);
- }
-
- bna_llport_rx_started(&rx->bna->port.llport);
-}
-
-void
-bna_rx_sm_started(struct bna_rx *rx, enum bna_rx_event event)
-{
- switch (event) {
- case RX_E_FAIL:
- bna_llport_rx_stopped(&rx->bna->port.llport);
- bfa_fsm_set_state(rx, bna_rx_sm_stopped);
- rx_ib_fail(rx);
- bna_rxf_fail(&rx->rxf);
- break;
- case RX_E_STOP:
- bna_llport_rx_stopped(&rx->bna->port.llport);
- bfa_fsm_set_state(rx, bna_rx_sm_rxf_stop_wait);
- break;
- default:
- bfa_sm_fault(event);
- break;
- }
-}
-
-void
-bna_rx_sm_rxf_stop_wait_entry(struct bna_rx *rx)
-{
- bna_rxf_stop(&rx->rxf);
-}
-
-void
-bna_rx_sm_rxf_stop_wait(struct bna_rx *rx, enum bna_rx_event event)
-{
- switch (event) {
- case RX_E_RXF_STOPPED:
- bfa_fsm_set_state(rx, bna_rx_sm_rxq_stop_wait);
- break;
- case RX_E_RXF_STARTED:
- /**
- * RxF was in the process of starting up when
- * RXF_E_STOP was issued. Ignore this event
- */
- break;
- case RX_E_FAIL:
- bfa_fsm_set_state(rx, bna_rx_sm_stopped);
- rx_ib_fail(rx);
- bna_rxf_fail(&rx->rxf);
- break;
- default:
- bfa_sm_fault(event);
- break;
- }
-
-}
-
-void
-bna_rx_sm_rxq_stop_wait_entry(struct bna_rx *rx)
-{
- struct bna_rxp *rxp = NULL;
- struct bna_rxq *q0 = NULL;
- struct bna_rxq *q1 = NULL;
- struct list_head *qe;
- u32 rxq_mask[2] = {0, 0};
-
- /* Only one call to multi-rxq-stop for all RXPs in this RX */
- bfa_wc_up(&rx->rxq_stop_wc);
- list_for_each(qe, &rx->rxp_q) {
- rxp = (struct bna_rxp *)qe;
- GET_RXQS(rxp, q0, q1);
- if (q0->rxq_id < 32)
- rxq_mask[0] |= ((u32)1 << q0->rxq_id);
- else
- rxq_mask[1] |= ((u32)1 << (q0->rxq_id - 32));
- if (q1) {
- if (q1->rxq_id < 32)
- rxq_mask[0] |= ((u32)1 << q1->rxq_id);
- else
- rxq_mask[1] |= ((u32)
- 1 << (q1->rxq_id - 32));
- }
- }
-
- __bna_multi_rxq_stop(rxp, rxq_mask);
-}
-
-void
-bna_rx_sm_rxq_stop_wait(struct bna_rx *rx, enum bna_rx_event event)
-{
- struct bna_rxp *rxp = NULL;
- struct list_head *qe;
-
- switch (event) {
- case RX_E_RXQ_STOPPED:
- list_for_each(qe, &rx->rxp_q) {
- rxp = (struct bna_rxp *)qe;
- bna_ib_stop(rxp->cq.ib);
- }
- /* Fall through */
- case RX_E_FAIL:
- bfa_fsm_set_state(rx, bna_rx_sm_stopped);
- break;
- default:
- bfa_sm_fault(event);
- break;
- }
-}
-
-void
-__bna_multi_rxq_stop(struct bna_rxp *rxp, u32 * rxq_id_mask)
-{
- struct bfi_ll_q_stop_req ll_req;
-
- bfi_h2i_set(ll_req.mh, BFI_MC_LL, BFI_LL_H2I_RXQ_STOP_REQ, 0);
- ll_req.q_id_mask[0] = htonl(rxq_id_mask[0]);
- ll_req.q_id_mask[1] = htonl(rxq_id_mask[1]);
- bna_mbox_qe_fill(&rxp->mbox_qe, &ll_req, sizeof(ll_req),
- bna_rx_cb_multi_rxq_stopped, rxp);
- bna_mbox_send(rxp->rx->bna, &rxp->mbox_qe);
-}
-
-void
-__bna_rxq_start(struct bna_rxq *rxq)
-{
- struct bna_rxtx_q_mem *q_mem;
- struct bna_rxq_mem rxq_cfg, *rxq_mem;
- struct bna_dma_addr cur_q_addr;
- /* struct bna_doorbell_qset *qset; */
- struct bna_qpt *qpt;
- u32 pg_num;
- struct bna *bna = rxq->rx->bna;
- void __iomem *base_addr;
- unsigned long off;
-
- qpt = &rxq->qpt;
- cur_q_addr = *((struct bna_dma_addr *)(qpt->kv_qpt_ptr));
-
- rxq_cfg.pg_tbl_addr_lo = qpt->hw_qpt_ptr.lsb;
- rxq_cfg.pg_tbl_addr_hi = qpt->hw_qpt_ptr.msb;
- rxq_cfg.cur_q_entry_lo = cur_q_addr.lsb;
- rxq_cfg.cur_q_entry_hi = cur_q_addr.msb;
-
- rxq_cfg.pg_cnt_n_prd_ptr = ((u32)qpt->page_count << 16) | 0x0;
- rxq_cfg.entry_n_pg_size = ((u32)(BFI_RXQ_WI_SIZE >> 2) << 16) |
- (qpt->page_size >> 2);
- rxq_cfg.sg_n_cq_n_cns_ptr =
- ((u32)(rxq->rxp->cq.cq_id & 0xff) << 16) | 0x0;
- rxq_cfg.buf_sz_n_q_state = ((u32)rxq->buffer_size << 16) |
- BNA_Q_IDLE_STATE;
- rxq_cfg.next_qid = 0x0 | (0x3 << 8);
-
- /* Write the page number register */
- pg_num = BNA_GET_PAGE_NUM(HQM0_BLK_PG_NUM + bna->port_num,
- HQM_RXTX_Q_RAM_BASE_OFFSET);
- writel(pg_num, bna->regs.page_addr);
-
- /* Write to h/w */
- base_addr = BNA_GET_MEM_BASE_ADDR(bna->pcidev.pci_bar_kva,
- HQM_RXTX_Q_RAM_BASE_OFFSET);
-
- q_mem = (struct bna_rxtx_q_mem *)0;
- rxq_mem = &q_mem[rxq->rxq_id].rxq;
-
- off = (unsigned long)&rxq_mem->pg_tbl_addr_lo;
- writel(htonl(rxq_cfg.pg_tbl_addr_lo), base_addr + off);
-
- off = (unsigned long)&rxq_mem->pg_tbl_addr_hi;
- writel(htonl(rxq_cfg.pg_tbl_addr_hi), base_addr + off);
-
- off = (unsigned long)&rxq_mem->cur_q_entry_lo;
- writel(htonl(rxq_cfg.cur_q_entry_lo), base_addr + off);
-
- off = (unsigned long)&rxq_mem->cur_q_entry_hi;
- writel(htonl(rxq_cfg.cur_q_entry_hi), base_addr + off);
-
- off = (unsigned long)&rxq_mem->pg_cnt_n_prd_ptr;
- writel(rxq_cfg.pg_cnt_n_prd_ptr, base_addr + off);
-
- off = (unsigned long)&rxq_mem->entry_n_pg_size;
- writel(rxq_cfg.entry_n_pg_size, base_addr + off);
-
- off = (unsigned long)&rxq_mem->sg_n_cq_n_cns_ptr;
- writel(rxq_cfg.sg_n_cq_n_cns_ptr, base_addr + off);
-
- off = (unsigned long)&rxq_mem->buf_sz_n_q_state;
- writel(rxq_cfg.buf_sz_n_q_state, base_addr + off);
-
- off = (unsigned long)&rxq_mem->next_qid;
- writel(rxq_cfg.next_qid, base_addr + off);
-
- rxq->rcb->producer_index = 0;
- rxq->rcb->consumer_index = 0;
-}
-
-void
-__bna_cq_start(struct bna_cq *cq)
-{
- struct bna_cq_mem cq_cfg, *cq_mem;
- const struct bna_qpt *qpt;
- struct bna_dma_addr cur_q_addr;
- u32 pg_num;
- struct bna *bna = cq->rx->bna;
- void __iomem *base_addr;
- unsigned long off;
-
- qpt = &cq->qpt;
- cur_q_addr = *((struct bna_dma_addr *)(qpt->kv_qpt_ptr));
-
- /*
- * Fill out structure, to be subsequently written
- * to hardware
- */
- cq_cfg.pg_tbl_addr_lo = qpt->hw_qpt_ptr.lsb;
- cq_cfg.pg_tbl_addr_hi = qpt->hw_qpt_ptr.msb;
- cq_cfg.cur_q_entry_lo = cur_q_addr.lsb;
- cq_cfg.cur_q_entry_hi = cur_q_addr.msb;
-
- cq_cfg.pg_cnt_n_prd_ptr = (qpt->page_count << 16) | 0x0;
- cq_cfg.entry_n_pg_size =
- ((u32)(BFI_CQ_WI_SIZE >> 2) << 16) | (qpt->page_size >> 2);
- cq_cfg.int_blk_n_cns_ptr = ((((u32)cq->ib_seg_offset) << 24) |
- ((u32)(cq->ib->ib_id & 0xff) << 16) | 0x0);
- cq_cfg.q_state = BNA_Q_IDLE_STATE;
-
- /* Write the page number register */
- pg_num = BNA_GET_PAGE_NUM(HQM0_BLK_PG_NUM + bna->port_num,
- HQM_CQ_RAM_BASE_OFFSET);
-
- writel(pg_num, bna->regs.page_addr);
-
- /* H/W write */
- base_addr = BNA_GET_MEM_BASE_ADDR(bna->pcidev.pci_bar_kva,
- HQM_CQ_RAM_BASE_OFFSET);
-
- cq_mem = (struct bna_cq_mem *)0;
-
- off = (unsigned long)&cq_mem[cq->cq_id].pg_tbl_addr_lo;
- writel(htonl(cq_cfg.pg_tbl_addr_lo), base_addr + off);
-
- off = (unsigned long)&cq_mem[cq->cq_id].pg_tbl_addr_hi;
- writel(htonl(cq_cfg.pg_tbl_addr_hi), base_addr + off);
-
- off = (unsigned long)&cq_mem[cq->cq_id].cur_q_entry_lo;
- writel(htonl(cq_cfg.cur_q_entry_lo), base_addr + off);
-
- off = (unsigned long)&cq_mem[cq->cq_id].cur_q_entry_hi;
- writel(htonl(cq_cfg.cur_q_entry_hi), base_addr + off);
-
- off = (unsigned long)&cq_mem[cq->cq_id].pg_cnt_n_prd_ptr;
- writel(cq_cfg.pg_cnt_n_prd_ptr, base_addr + off);
-
- off = (unsigned long)&cq_mem[cq->cq_id].entry_n_pg_size;
- writel(cq_cfg.entry_n_pg_size, base_addr + off);
-
- off = (unsigned long)&cq_mem[cq->cq_id].int_blk_n_cns_ptr;
- writel(cq_cfg.int_blk_n_cns_ptr, base_addr + off);
-
- off = (unsigned long)&cq_mem[cq->cq_id].q_state;
- writel(cq_cfg.q_state, base_addr + off);
-
- cq->ccb->producer_index = 0;
- *(cq->ccb->hw_producer_index) = 0;
-}
-
-void
-bna_rit_create(struct bna_rx *rx)
-{
- struct list_head *qe_rxp;
- struct bna_rxp *rxp;
- struct bna_rxq *q0 = NULL;
- struct bna_rxq *q1 = NULL;
- int offset;
-
- offset = 0;
- list_for_each(qe_rxp, &rx->rxp_q) {
- rxp = (struct bna_rxp *)qe_rxp;
- GET_RXQS(rxp, q0, q1);
- rx->rxf.rit_segment->rit[offset].large_rxq_id = q0->rxq_id;
- rx->rxf.rit_segment->rit[offset].small_rxq_id =
- (q1 ? q1->rxq_id : 0);
- offset++;
- }
-}
-
-static int
-_rx_can_satisfy(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;
- }
-
- if (!bna_rit_mod_can_satisfy(&rx_mod->bna->rit_mod, rx_cfg->num_paths))
- return 0;
-
- return 1;
-}
-
-static struct bna_rxq *
-_get_free_rxq(struct bna_rx_mod *rx_mod)
-{
- struct bna_rxq *rxq = NULL;
- struct list_head *qe = NULL;
-
- bfa_q_deq(&rx_mod->rxq_free_q, &qe);
- if (qe) {
- rx_mod->rxq_free_count--;
- rxq = (struct bna_rxq *)qe;
- }
- return rxq;
-}
-
-static void
-_put_free_rxq(struct bna_rx_mod *rx_mod, struct bna_rxq *rxq)
-{
- bfa_q_qe_init(&rxq->qe);
- list_add_tail(&rxq->qe, &rx_mod->rxq_free_q);
- rx_mod->rxq_free_count++;
-}
-
-static struct bna_rxp *
-_get_free_rxp(struct bna_rx_mod *rx_mod)
-{
- struct list_head *qe = NULL;
- struct bna_rxp *rxp = NULL;
-
- bfa_q_deq(&rx_mod->rxp_free_q, &qe);
- if (qe) {
- rx_mod->rxp_free_count--;
-
- rxp = (struct bna_rxp *)qe;
- }
-
- return rxp;
-}
-
-static void
-_put_free_rxp(struct bna_rx_mod *rx_mod, struct bna_rxp *rxp)
-{
- bfa_q_qe_init(&rxp->qe);
- list_add_tail(&rxp->qe, &rx_mod->rxp_free_q);
- rx_mod->rxp_free_count++;
-}
-
-static struct bna_rx *
-_get_free_rx(struct bna_rx_mod *rx_mod)
-{
- struct list_head *qe = NULL;
- struct bna_rx *rx = NULL;
-
- bfa_q_deq(&rx_mod->rx_free_q, &qe);
- if (qe) {
- rx_mod->rx_free_count--;
-
- rx = (struct bna_rx *)qe;
- bfa_q_qe_init(qe);
- list_add_tail(&rx->qe, &rx_mod->rx_active_q);
- }
-
- return rx;
-}
-
-static void
-_put_free_rx(struct bna_rx_mod *rx_mod, struct bna_rx *rx)
-{
- bfa_q_qe_init(&rx->qe);
- list_add_tail(&rx->qe, &rx_mod->rx_free_q);
- rx_mod->rx_free_count++;
-}
-
-static void
-_rx_init(struct bna_rx *rx, struct bna *bna)
-{
- rx->bna = bna;
- rx->rx_flags = 0;
-
- INIT_LIST_HEAD(&rx->rxp_q);
-
- rx->rxq_stop_wc.wc_resume = bna_rx_cb_rxq_stopped_all;
- rx->rxq_stop_wc.wc_cbarg = rx;
- rx->rxq_stop_wc.wc_count = 0;
-
- rx->stop_cbfn = NULL;
- rx->stop_cbarg = NULL;
-}
-
-static void
-_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
-_rxq_qpt_init(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)
-{
- 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;
-
- for (i = 0; i < rxq->qpt.page_count; i++) {
- rxq->rcb->sw_qpt[i] = page_mem[i].kva;
- ((struct bna_dma_addr *)rxq->qpt.kv_qpt_ptr)[i].lsb =
- page_mem[i].dma.lsb;
- ((struct bna_dma_addr *)rxq->qpt.kv_qpt_ptr)[i].msb =
- page_mem[i].dma.msb;
-
- }
-}
-
-static void
-_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)
-{
- 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;
-
- for (i = 0; i < rxp->cq.qpt.page_count; i++) {
- rxp->cq.ccb->sw_qpt[i] = page_mem[i].kva;
-
- ((struct bna_dma_addr *)rxp->cq.qpt.kv_qpt_ptr)[i].lsb =
- page_mem[i].dma.lsb;
- ((struct bna_dma_addr *)rxp->cq.qpt.kv_qpt_ptr)[i].msb =
- page_mem[i].dma.msb;
-
- }
-}
-
-static void
-_rx_add_rxp(struct bna_rx *rx, struct bna_rxp *rxp)
-{
- list_add_tail(&rxp->qe, &rx->rxp_q);
-}
-
-static void
-_init_rxmod_queues(struct bna_rx_mod *rx_mod)
-{
- INIT_LIST_HEAD(&rx_mod->rx_free_q);
- INIT_LIST_HEAD(&rx_mod->rxq_free_q);
- INIT_LIST_HEAD(&rx_mod->rxp_free_q);
- INIT_LIST_HEAD(&rx_mod->rx_active_q);
-
- rx_mod->rx_free_count = 0;
- rx_mod->rxq_free_count = 0;
- rx_mod->rxp_free_count = 0;
-}
-
-static void
-_rx_ctor(struct bna_rx *rx, int id)
-{
- bfa_q_qe_init(&rx->qe);
- INIT_LIST_HEAD(&rx->rxp_q);
- rx->bna = NULL;
-
- rx->rxf.rxf_id = id;
-
- /* FIXME: mbox_qe ctor()?? */
- bfa_q_qe_init(&rx->mbox_qe.qe);
-
- rx->stop_cbfn = NULL;
- rx->stop_cbarg = NULL;
-}
-
-void
-bna_rx_cb_multi_rxq_stopped(void *arg, int status)
-{
- struct bna_rxp *rxp = (struct bna_rxp *)arg;
-
- bfa_wc_down(&rxp->rx->rxq_stop_wc);
-}
-
-void
-bna_rx_cb_rxq_stopped_all(void *arg)
-{
- struct bna_rx *rx = (struct bna_rx *)arg;
-
- bfa_fsm_send_event(rx, RX_E_RXQ_STOPPED);
-}
-
-static void
-bna_rx_mod_cb_rx_stopped(void *arg, struct bna_rx *rx,
- enum bna_cb_status status)
-{
- 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->port, BNA_CB_SUCCESS);
- rx_mod->stop_cbfn = NULL;
-}
-
-static void
-bna_rx_start(struct bna_rx *rx)
-{
- rx->rx_flags |= BNA_RX_F_PORT_ENABLED;
- if (rx->rx_flags & BNA_RX_F_ENABLE)
- bfa_fsm_send_event(rx, RX_E_START);
-}
-
-static void
-bna_rx_stop(struct bna_rx *rx)
-{
- rx->rx_flags &= ~BNA_RX_F_PORT_ENABLED;
- if (rx->fsm == (bfa_fsm_t) bna_rx_sm_stopped)
- bna_rx_mod_cb_rx_stopped(&rx->bna->rx_mod, rx, BNA_CB_SUCCESS);
- 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 port is not enabled, and failed */
- rx->rx_flags &= ~BNA_RX_F_PORT_ENABLED;
- rx->rx_flags |= BNA_RX_F_PORT_FAILED;
- 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;
- struct list_head *qe;
-
- rx_mod->flags |= BNA_RX_MOD_F_PORT_STARTED;
- if (type == BNA_RX_T_LOOPBACK)
- rx_mod->flags |= BNA_RX_MOD_F_PORT_LOOPBACK;
-
- list_for_each(qe, &rx_mod->rx_active_q) {
- rx = (struct bna_rx *)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;
- struct list_head *qe;
-
- rx_mod->flags &= ~BNA_RX_MOD_F_PORT_STARTED;
- rx_mod->flags &= ~BNA_RX_MOD_F_PORT_LOOPBACK;
-
- rx_mod->stop_cbfn = bna_port_cb_rx_stopped;
-
- /**
- * Before calling bna_rx_stop(), increment rx_stop_wc as many times
- * as we are going to call bna_rx_stop
- */
- list_for_each(qe, &rx_mod->rx_active_q) {
- rx = (struct bna_rx *)qe;
- if (rx->type == type)
- bfa_wc_up(&rx_mod->rx_stop_wc);
- }
-
- if (rx_mod->rx_stop_wc.wc_count == 0) {
- rx_mod->stop_cbfn(&rx_mod->bna->port, BNA_CB_SUCCESS);
- rx_mod->stop_cbfn = NULL;
- return;
- }
-
- list_for_each(qe, &rx_mod->rx_active_q) {
- rx = (struct bna_rx *)qe;
- if (rx->type == type)
- bna_rx_stop(rx);
- }
-}
-
-void
-bna_rx_mod_fail(struct bna_rx_mod *rx_mod)
-{
- struct bna_rx *rx;
- struct list_head *qe;
-
- rx_mod->flags &= ~BNA_RX_MOD_F_PORT_STARTED;
- rx_mod->flags &= ~BNA_RX_MOD_F_PORT_LOOPBACK;
-
- list_for_each(qe, &rx_mod->rx_active_q) {
- rx = (struct bna_rx *)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_RES_MEM_T_RX_ARRAY].res_u.mem_info.mdl[0].kva;
- rx_mod->rxp = (struct bna_rxp *)
- res_info[BNA_RES_MEM_T_RXP_ARRAY].res_u.mem_info.mdl[0].kva;
- rx_mod->rxq = (struct bna_rxq *)
- res_info[BNA_RES_MEM_T_RXQ_ARRAY].res_u.mem_info.mdl[0].kva;
-
- /* Initialize the queues */
- _init_rxmod_queues(rx_mod);
-
- /* Build RX queues */
- for (index = 0; index < BFI_MAX_RXQ; index++) {
- rx_ptr = &rx_mod->rx[index];
- _rx_ctor(rx_ptr, index);
- list_add_tail(&rx_ptr->qe, &rx_mod->rx_free_q);
- rx_mod->rx_free_count++;
- }
-
- /* build RX-path queue */
- for (index = 0; index < BFI_MAX_RXQ; index++) {
- rxp_ptr = &rx_mod->rxp[index];
- rxp_ptr->cq.cq_id = index;
- bfa_q_qe_init(&rxp_ptr->qe);
- list_add_tail(&rxp_ptr->qe, &rx_mod->rxp_free_q);
- rx_mod->rxp_free_count++;
- }
-
- /* build RXQ queue */
- for (index = 0; index < BFI_MAX_RXQ; index++) {
- rxq_ptr = &rx_mod->rxq[index];
- rxq_ptr->rxq_id = index;
-
- bfa_q_qe_init(&rxq_ptr->qe);
- list_add_tail(&rxq_ptr->qe, &rx_mod->rxq_free_q);
- rx_mod->rxq_free_count++;
- }
-
- rx_mod->rx_stop_wc.wc_resume = bna_rx_mod_cb_rx_stopped_all;
- rx_mod->rx_stop_wc.wc_cbarg = rx_mod;
- rx_mod->rx_stop_wc.wc_count = 0;
-}
-
-void
-bna_rx_mod_uninit(struct bna_rx_mod *rx_mod)
-{
- struct list_head *qe;
- int i;
-
- i = 0;
- list_for_each(qe, &rx_mod->rx_free_q)
- i++;
-
- i = 0;
- list_for_each(qe, &rx_mod->rxp_free_q)
- i++;
-
- i = 0;
- list_for_each(qe, &rx_mod->rxq_free_q)
- i++;
-
- rx_mod->bna = NULL;
-}
-
-int
-bna_rx_state_get(struct bna_rx *rx)
-{
- return bfa_sm_to_state(rx_sm_table, rx->fsm);
-}
-
-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->q_depth;
- hq_depth = ((q_cfg->rxp_type == BNA_RXP_SINGLE) ? 0 : q_cfg->q_depth);
- cq_depth = dq_depth + hq_depth;
-
- BNA_TO_POWER_OF_2_HIGH(cq_depth);
- cq_size = cq_depth * BFI_CQ_WI_SIZE;
- cq_size = ALIGN(cq_size, PAGE_SIZE);
- cpage_count = SIZE_TO_PAGES(cq_size);
-
- BNA_TO_POWER_OF_2_HIGH(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) {
- BNA_TO_POWER_OF_2_HIGH(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;
- }
-
- /* CCB structures */
- 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;
-
- /* RCB structures */
- 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);
-
- /* Completion QPT */
- 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;
-
- /* Completion s/w QPT */
- 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;
-
- /* Completion QPT pages */
- 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;
- mem_info->num = cpage_count * q_cfg->num_paths;
-
- /* Data QPTs */
- 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;
-
- /* Data s/w QPTs */
- 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;
-
- /* Data QPT pages */
- 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;
- mem_info->num = dpage_count * q_cfg->num_paths;
-
- /* Hdr QPTs */
- 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);
-
- /* Hdr s/w QPTs */
- 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);
-
- /* Hdr QPT pages */
- 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 = (hpage_count ? PAGE_SIZE : 0);
- mem_info->num = (hpage_count ? (hpage_count * q_cfg->num_paths) : 0);
-
- /* RX Interrupts */
- 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,
- 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;
- u32 page_count;
- struct bna_mem_descr *ccb_mem;
- struct bna_mem_descr *rcb_mem;
- struct bna_mem_descr *unmapq_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; /* Header/Small Q qpt */
- struct bna_mem_descr *dqpt_mem; /* Data/Large Q qpt */
- struct bna_mem_descr *hsqpt_mem; /* s/w qpt for hdr */
- struct bna_mem_descr *dsqpt_mem; /* s/w qpt for data */
- struct bna_mem_descr *hpage_mem; /* hdr page mem */
- struct bna_mem_descr *dpage_mem; /* data page mem */
- int i, cpage_idx = 0, dpage_idx = 0, hpage_idx = 0;
- int dpage_count, hpage_count, rcb_idx;
- struct bna_ib_config ibcfg;
- /* Fail if we don't have enough RXPs, RXQs */
- if (!_rx_can_satisfy(rx_mod, rx_cfg))
- return NULL;
-
- /* Initialize resource pointers */
- 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];
- unmapq_mem = &res_info[BNA_RX_RES_MEM_T_UNMAPQ].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];
-
- /* Compute q depth & page count */
- page_count = res_info[BNA_RX_RES_MEM_T_CQPT_PAGE].res_u.mem_info.num /
- rx_cfg->num_paths;
-
- dpage_count = res_info[BNA_RX_RES_MEM_T_DPAGE].res_u.mem_info.num /
- rx_cfg->num_paths;
-
- hpage_count = res_info[BNA_RX_RES_MEM_T_HPAGE].res_u.mem_info.num /
- rx_cfg->num_paths;
- /* Get RX pointer */
- rx = _get_free_rx(rx_mod);
- _rx_init(rx, bna);
- rx->priv = priv;
- rx->type = rx_cfg->rx_type;
-
- 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;
- /* 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_PORT_STARTED) {
- switch (rx->type) {
- case BNA_RX_T_REGULAR:
- if (!(rx->bna->rx_mod.flags &
- BNA_RX_MOD_F_PORT_LOOPBACK))
- rx->rx_flags |= BNA_RX_F_PORT_ENABLED;
- break;
- case BNA_RX_T_LOOPBACK:
- if (rx->bna->rx_mod.flags & BNA_RX_MOD_F_PORT_LOOPBACK)
- rx->rx_flags |= BNA_RX_F_PORT_ENABLED;
- break;
- }
- }
-
- for (i = 0, rcb_idx = 0; i < rx_cfg->num_paths; i++) {
- rxp = _get_free_rxp(rx_mod);
- rxp->type = rx_cfg->rxp_type;
- rxp->rx = rx;
- rxp->cq.rx = rx;
-
- /* Get required RXQs, and queue them to rx-path */
- q0 = _get_free_rxq(rx_mod);
- if (BNA_RXP_SINGLE == rx_cfg->rxp_type)
- q1 = NULL;
- else
- q1 = _get_free_rxq(rx_mod);
-
- /* Initialize IB */
- if (1 == intr_info->num) {
- rxp->cq.ib = bna_ib_get(&bna->ib_mod,
- intr_info->intr_type,
- intr_info->idl[0].vector);
- rxp->vector = intr_info->idl[0].vector;
- } else {
- rxp->cq.ib = bna_ib_get(&bna->ib_mod,
- intr_info->intr_type,
- intr_info->idl[i].vector);
-
- /* Map the MSI-x vector used for this RXP */
- rxp->vector = intr_info->idl[i].vector;
- }
-
- rxp->cq.ib_seg_offset = bna_ib_reserve_idx(rxp->cq.ib);
-
- ibcfg.coalescing_timeo = BFI_RX_COALESCING_TIMEO;
- ibcfg.interpkt_count = BFI_RX_INTERPKT_COUNT;
- ibcfg.interpkt_timeo = BFI_RX_INTERPKT_TIMEO;
- ibcfg.ctrl_flags = BFI_IB_CF_INT_ENABLE;
-
- bna_ib_config(rxp->cq.ib, &ibcfg);
-
- /* Link rxqs to rxp */
- _rxp_add_rxqs(rxp, q0, q1);
-
- /* Link rxp to rx */
- _rx_add_rxp(rx, rxp);
-
- q0->rx = rx;
- q0->rxp = rxp;
-
- /* Initialize RCB for the large / data q */
- q0->rcb = (struct bna_rcb *) rcb_mem[rcb_idx].kva;
- RXQ_RCB_INIT(q0, rxp, rx_cfg->q_depth, bna, 0,
- (void *)unmapq_mem[rcb_idx].kva);
- rcb_idx++;
- (q0)->rx_packets = (q0)->rx_bytes = 0;
- (q0)->rx_packets_with_error = (q0)->rxbuf_alloc_failed = 0;
-
- /* Initialize RXQs */
- _rxq_qpt_init(q0, rxp, dpage_count, PAGE_SIZE,
- &dqpt_mem[i], &dsqpt_mem[i], &dpage_mem[dpage_idx]);
- q0->rcb->page_idx = dpage_idx;
- q0->rcb->page_count = dpage_count;
- dpage_idx += dpage_count;
-
- /* Call bnad to complete rcb setup */
- if (rx->rcb_setup_cbfn)
- rx->rcb_setup_cbfn(bnad, q0->rcb);
-
- if (q1) {
- q1->rx = rx;
- q1->rxp = rxp;
-
- q1->rcb = (struct bna_rcb *) rcb_mem[rcb_idx].kva;
- RXQ_RCB_INIT(q1, rxp, rx_cfg->q_depth, bna, 1,
- (void *)unmapq_mem[rcb_idx].kva);
- rcb_idx++;
- (q1)->buffer_size = (rx_cfg)->small_buff_size;
- (q1)->rx_packets = (q1)->rx_bytes = 0;
- (q1)->rx_packets_with_error =
- (q1)->rxbuf_alloc_failed = 0;
-
- _rxq_qpt_init(q1, rxp, hpage_count, PAGE_SIZE,
- &hqpt_mem[i], &hsqpt_mem[i],
- &hpage_mem[hpage_idx]);
- q1->rcb->page_idx = hpage_idx;
- q1->rcb->page_count = hpage_count;
- hpage_idx += hpage_count;
-
- /* Call bnad to complete rcb setup */
- if (rx->rcb_setup_cbfn)
- rx->rcb_setup_cbfn(bnad, q1->rcb);
- }
- /* Setup RXP::CQ */
- rxp->cq.ccb = (struct bna_ccb *) ccb_mem[i].kva;
- _rxp_cqpt_setup(rxp, page_count, PAGE_SIZE,
- &cqpt_mem[i], &cswqpt_mem[i], &cpage_mem[cpage_idx]);
- rxp->cq.ccb->page_idx = cpage_idx;
- rxp->cq.ccb->page_count = page_count;
- cpage_idx += page_count;
-
- rxp->cq.ccb->pkt_rate.small_pkt_cnt = 0;
- rxp->cq.ccb->pkt_rate.large_pkt_cnt = 0;
-
- rxp->cq.ccb->producer_index = 0;
- rxp->cq.ccb->q_depth = rx_cfg->q_depth +
- ((rx_cfg->rxp_type == BNA_RXP_SINGLE) ?
- 0 : rx_cfg->q_depth);
- rxp->cq.ccb->i_dbell = &rxp->cq.ib->door_bell;
- rxp->cq.ccb->rcb[0] = q0->rcb;
- if (q1)
- rxp->cq.ccb->rcb[1] = q1->rcb;
- rxp->cq.ccb->cq = &rxp->cq;
- rxp->cq.ccb->bnad = bna->bnad;
- rxp->cq.ccb->hw_producer_index =
- ((volatile u32 *)rxp->cq.ib->ib_seg_host_addr_kva +
- (rxp->cq.ib_seg_offset * BFI_IBIDX_SIZE));
- *(rxp->cq.ccb->hw_producer_index) = 0;
- rxp->cq.ccb->intr_type = intr_info->intr_type;
- rxp->cq.ccb->intr_vector = (intr_info->num == 1) ?
- intr_info->idl[0].vector :
- intr_info->idl[i].vector;
- rxp->cq.ccb->rx_coalescing_timeo =
- rxp->cq.ib->ib_config.coalescing_timeo;
- rxp->cq.ccb->id = i;
-
- /* Call bnad to complete CCB setup */
- if (rx->ccb_setup_cbfn)
- rx->ccb_setup_cbfn(bnad, rxp->cq.ccb);
-
- } /* for each rx-path */
-
- bna_rxf_init(&rx->rxf, rx, rx_cfg);
-
- bfa_fsm_set_state(rx, bna_rx_sm_stopped);
-
- return rx;
-}
-
-void
-bna_rx_destroy(struct bna_rx *rx)
-{
- struct bna_rx_mod *rx_mod = &rx->bna->rx_mod;
- struct bna_ib_mod *ib_mod = &rx->bna->ib_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)) {
- bfa_q_deq(&rx->rxp_q, &rxp);
- GET_RXQS(rxp, q0, q1);
- /* Callback to bnad for destroying RCB */
- if (rx->rcb_destroy_cbfn)
- rx->rcb_destroy_cbfn(rx->bna->bnad, q0->rcb);
- q0->rcb = NULL;
- q0->rxp = NULL;
- q0->rx = NULL;
- _put_free_rxq(rx_mod, q0);
- if (q1) {
- /* Callback to bnad for destroying RCB */
- if (rx->rcb_destroy_cbfn)
- rx->rcb_destroy_cbfn(rx->bna->bnad, q1->rcb);
- q1->rcb = NULL;
- q1->rxp = NULL;
- q1->rx = NULL;
- _put_free_rxq(rx_mod, q1);
- }
- rxp->rxq.slr.large = NULL;
- rxp->rxq.slr.small = NULL;
- if (rxp->cq.ib) {
- if (rxp->cq.ib_seg_offset != 0xff)
- bna_ib_release_idx(rxp->cq.ib,
- rxp->cq.ib_seg_offset);
- bna_ib_put(ib_mod, rxp->cq.ib);
- rxp->cq.ib = NULL;
- }
- /* Callback to bnad for destroying CCB */
- if (rx->ccb_destroy_cbfn)
- rx->ccb_destroy_cbfn(rx->bna->bnad, rxp->cq.ccb);
- rxp->cq.ccb = NULL;
- rxp->rx = NULL;
- _put_free_rxp(rx_mod, rxp);
- }
-
- list_for_each(qe, &rx_mod->rx_active_q) {
- if (qe == &rx->qe) {
- list_del(&rx->qe);
- bfa_q_qe_init(&rx->qe);
- break;
- }
- }
-
- rx->bna = NULL;
- rx->priv = NULL;
- _put_free_rx(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_ENABLE;
- if (rx->rx_flags & BNA_RX_F_PORT_ENABLED)
- 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 *,
- enum bna_cb_status))
-{
- if (type == BNA_SOFT_CLEANUP) {
- /* h/w should not be accessed. Treat we're stopped */
- (*cbfn)(rx->bna->bnad, rx, BNA_CB_SUCCESS);
- } else {
- rx->stop_cbfn = cbfn;
- rx->stop_cbarg = rx->bna->bnad;
-
- rx->rx_flags &= ~BNA_RX_F_ENABLE;
-
- bfa_fsm_send_event(rx, RX_E_STOP);
- }
-}
-
-/**
- * TX
- */
-#define call_tx_stop_cbfn(tx, status)\
-do {\
- if ((tx)->stop_cbfn)\
- (tx)->stop_cbfn((tx)->stop_cbarg, (tx), status);\
- (tx)->stop_cbfn = NULL;\
- (tx)->stop_cbarg = NULL;\
-} while (0)
-
-#define call_tx_prio_change_cbfn(tx, status)\
-do {\
- if ((tx)->prio_change_cbfn)\
- (tx)->prio_change_cbfn((tx)->bna->bnad, (tx), status);\
- (tx)->prio_change_cbfn = NULL;\
-} while (0)
-
-static void bna_tx_mod_cb_tx_stopped(void *tx_mod, struct bna_tx *tx,
- enum bna_cb_status status);
-static void bna_tx_cb_txq_stopped(void *arg, int status);
-static void bna_tx_cb_stats_cleared(void *arg, int status);
-static void __bna_tx_stop(struct bna_tx *tx);
-static void __bna_tx_start(struct bna_tx *tx);
-static void __bna_txf_stat_clr(struct bna_tx *tx);
-
-enum bna_tx_event {
- TX_E_START = 1,
- TX_E_STOP = 2,
- TX_E_FAIL = 3,
- TX_E_TXQ_STOPPED = 4,
- TX_E_PRIO_CHANGE = 5,
- TX_E_STAT_CLEARED = 6,
-};
-
-enum bna_tx_state {
- BNA_TX_STOPPED = 1,
- BNA_TX_STARTED = 2,
- BNA_TX_TXQ_STOP_WAIT = 3,
- BNA_TX_PRIO_STOP_WAIT = 4,
- BNA_TX_STAT_CLR_WAIT = 5,
-};
-
-bfa_fsm_state_decl(bna_tx, stopped, 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, txq_stop_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, stat_clr_wait, struct bna_tx,
- enum bna_tx_event);
-
-static struct bfa_sm_table tx_sm_table[] = {
- {BFA_SM(bna_tx_sm_stopped), BNA_TX_STOPPED},
- {BFA_SM(bna_tx_sm_started), BNA_TX_STARTED},
- {BFA_SM(bna_tx_sm_txq_stop_wait), BNA_TX_TXQ_STOP_WAIT},
- {BFA_SM(bna_tx_sm_prio_stop_wait), BNA_TX_PRIO_STOP_WAIT},
- {BFA_SM(bna_tx_sm_stat_clr_wait), BNA_TX_STAT_CLR_WAIT},
-};
-
-static void
-bna_tx_sm_stopped_entry(struct bna_tx *tx)
-{
- struct bna_txq *txq;
- struct list_head *qe;
-
- list_for_each(qe, &tx->txq_q) {
- txq = (struct bna_txq *)qe;
- (tx->tx_cleanup_cbfn)(tx->bna->bnad, txq->tcb);
- }
-
- call_tx_stop_cbfn(tx, BNA_CB_SUCCESS);
-}
-
-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_started);
- break;
-
- case TX_E_STOP:
- bfa_fsm_set_state(tx, bna_tx_sm_stopped);
- break;
-
- case TX_E_FAIL:
- /* No-op */
- break;
-
- case TX_E_PRIO_CHANGE:
- call_tx_prio_change_cbfn(tx, BNA_CB_SUCCESS);
- break;
-
- case TX_E_TXQ_STOPPED:
- /**
- * This event is received due to flushing of mbox when
- * device fails
- */
- /* No-op */
- break;
-
- default:
- bfa_sm_fault(event);
- }
-}
-
-static void
-bna_tx_sm_started_entry(struct bna_tx *tx)
-{
- struct bna_txq *txq;
- struct list_head *qe;
-
- __bna_tx_start(tx);
-
- /* Start IB */
- list_for_each(qe, &tx->txq_q) {
- txq = (struct bna_txq *)qe;
- bna_ib_ack(&txq->ib->door_bell, 0);
- }
-}
-
-static void
-bna_tx_sm_started(struct bna_tx *tx, enum bna_tx_event event)
-{
- struct bna_txq *txq;
- struct list_head *qe;
-
- switch (event) {
- case TX_E_STOP:
- bfa_fsm_set_state(tx, bna_tx_sm_txq_stop_wait);
- __bna_tx_stop(tx);
- break;
-
- case TX_E_FAIL:
- list_for_each(qe, &tx->txq_q) {
- txq = (struct bna_txq *)qe;
- bna_ib_fail(txq->ib);
- (tx->tx_stall_cbfn)(tx->bna->bnad, txq->tcb);
- }
- bfa_fsm_set_state(tx, bna_tx_sm_stopped);
- break;
-
- case TX_E_PRIO_CHANGE:
- bfa_fsm_set_state(tx, bna_tx_sm_prio_stop_wait);
- break;
-
- default:
- bfa_sm_fault(event);
- }
-}
-
-static void
-bna_tx_sm_txq_stop_wait_entry(struct bna_tx *tx)
-{
-}
-
-static void
-bna_tx_sm_txq_stop_wait(struct bna_tx *tx, enum bna_tx_event event)
-{
- struct bna_txq *txq;
- struct list_head *qe;
-
- switch (event) {
- case TX_E_FAIL:
- bfa_fsm_set_state(tx, bna_tx_sm_stopped);
- break;
-
- case TX_E_TXQ_STOPPED:
- list_for_each(qe, &tx->txq_q) {
- txq = (struct bna_txq *)qe;
- bna_ib_stop(txq->ib);
- }
- bfa_fsm_set_state(tx, bna_tx_sm_stat_clr_wait);
- break;
-
- case TX_E_PRIO_CHANGE:
- /* No-op */
- break;
-
- default:
- bfa_sm_fault(event);
- }
-}
-
-static void
-bna_tx_sm_prio_stop_wait_entry(struct bna_tx *tx)
-{
- __bna_tx_stop(tx);
-}
-
-static void
-bna_tx_sm_prio_stop_wait(struct bna_tx *tx, enum bna_tx_event event)
-{
- struct bna_txq *txq;
- struct list_head *qe;
-
- switch (event) {
- case TX_E_STOP:
- bfa_fsm_set_state(tx, bna_tx_sm_txq_stop_wait);
- break;
-
- case TX_E_FAIL:
- call_tx_prio_change_cbfn(tx, BNA_CB_FAIL);
- bfa_fsm_set_state(tx, bna_tx_sm_stopped);
- break;
-
- case TX_E_TXQ_STOPPED:
- list_for_each(qe, &tx->txq_q) {
- txq = (struct bna_txq *)qe;
- bna_ib_stop(txq->ib);
- (tx->tx_cleanup_cbfn)(tx->bna->bnad, txq->tcb);
- }
- call_tx_prio_change_cbfn(tx, BNA_CB_SUCCESS);
- bfa_fsm_set_state(tx, bna_tx_sm_started);
- break;
-
- case TX_E_PRIO_CHANGE:
- /* No-op */
- break;
-
- default:
- bfa_sm_fault(event);
- }
-}
-
-static void
-bna_tx_sm_stat_clr_wait_entry(struct bna_tx *tx)
-{
- __bna_txf_stat_clr(tx);
-}
-
-static void
-bna_tx_sm_stat_clr_wait(struct bna_tx *tx, enum bna_tx_event event)
-{
- switch (event) {
- case TX_E_FAIL:
- case TX_E_STAT_CLEARED:
- bfa_fsm_set_state(tx, bna_tx_sm_stopped);
- break;
-
- default:
- bfa_sm_fault(event);
- }
-}
-
-static void
-__bna_txq_start(struct bna_tx *tx, struct bna_txq *txq)
-{
- struct bna_rxtx_q_mem *q_mem;
- struct bna_txq_mem txq_cfg;
- struct bna_txq_mem *txq_mem;
- struct bna_dma_addr cur_q_addr;
- u32 pg_num;
- void __iomem *base_addr;
- unsigned long off;
-
- /* Fill out structure, to be subsequently written to hardware */
- txq_cfg.pg_tbl_addr_lo = txq->qpt.hw_qpt_ptr.lsb;
- txq_cfg.pg_tbl_addr_hi = txq->qpt.hw_qpt_ptr.msb;
- cur_q_addr = *((struct bna_dma_addr *)(txq->qpt.kv_qpt_ptr));
- txq_cfg.cur_q_entry_lo = cur_q_addr.lsb;
- txq_cfg.cur_q_entry_hi = cur_q_addr.msb;
-
- txq_cfg.pg_cnt_n_prd_ptr = (txq->qpt.page_count << 16) | 0x0;
-
- txq_cfg.entry_n_pg_size = ((u32)(BFI_TXQ_WI_SIZE >> 2) << 16) |
- (txq->qpt.page_size >> 2);
- txq_cfg.int_blk_n_cns_ptr = ((((u32)txq->ib_seg_offset) << 24) |
- ((u32)(txq->ib->ib_id & 0xff) << 16) | 0x0);
-
- txq_cfg.cns_ptr2_n_q_state = BNA_Q_IDLE_STATE;
- txq_cfg.nxt_qid_n_fid_n_pri = (((tx->txf.txf_id & 0x3f) << 3) |
- (txq->priority & 0x7));
- txq_cfg.wvc_n_cquota_n_rquota =
- ((((u32)BFI_TX_MAX_WRR_QUOTA & 0xfff) << 12) |
- (BFI_TX_MAX_WRR_QUOTA & 0xfff));
-
- /* Setup the page and write to H/W */
-
- pg_num = BNA_GET_PAGE_NUM(HQM0_BLK_PG_NUM + tx->bna->port_num,
- HQM_RXTX_Q_RAM_BASE_OFFSET);
- writel(pg_num, tx->bna->regs.page_addr);
-
- base_addr = BNA_GET_MEM_BASE_ADDR(tx->bna->pcidev.pci_bar_kva,
- HQM_RXTX_Q_RAM_BASE_OFFSET);
- q_mem = (struct bna_rxtx_q_mem *)0;
- txq_mem = &q_mem[txq->txq_id].txq;
-
- /*
- * The following 4 lines, is a hack b'cos the H/W needs to read
- * these DMA addresses as little endian
- */
-
- off = (unsigned long)&txq_mem->pg_tbl_addr_lo;
- writel(htonl(txq_cfg.pg_tbl_addr_lo), base_addr + off);
-
- off = (unsigned long)&txq_mem->pg_tbl_addr_hi;
- writel(htonl(txq_cfg.pg_tbl_addr_hi), base_addr + off);
-
- off = (unsigned long)&txq_mem->cur_q_entry_lo;
- writel(htonl(txq_cfg.cur_q_entry_lo), base_addr + off);
-
- off = (unsigned long)&txq_mem->cur_q_entry_hi;
- writel(htonl(txq_cfg.cur_q_entry_hi), base_addr + off);
-
- off = (unsigned long)&txq_mem->pg_cnt_n_prd_ptr;
- writel(txq_cfg.pg_cnt_n_prd_ptr, base_addr + off);
-
- off = (unsigned long)&txq_mem->entry_n_pg_size;
- writel(txq_cfg.entry_n_pg_size, base_addr + off);
-
- off = (unsigned long)&txq_mem->int_blk_n_cns_ptr;
- writel(txq_cfg.int_blk_n_cns_ptr, base_addr + off);
-
- off = (unsigned long)&txq_mem->cns_ptr2_n_q_state;
- writel(txq_cfg.cns_ptr2_n_q_state, base_addr + off);
-
- off = (unsigned long)&txq_mem->nxt_qid_n_fid_n_pri;
- writel(txq_cfg.nxt_qid_n_fid_n_pri, base_addr + off);
-
- off = (unsigned long)&txq_mem->wvc_n_cquota_n_rquota;
- writel(txq_cfg.wvc_n_cquota_n_rquota, base_addr + off);
-
- txq->tcb->producer_index = 0;
- txq->tcb->consumer_index = 0;
- *(txq->tcb->hw_consumer_index) = 0;
-
-}
-
-static void
-__bna_txq_stop(struct bna_tx *tx, struct bna_txq *txq)
-{
- struct bfi_ll_q_stop_req ll_req;
- u32 bit_mask[2] = {0, 0};
- if (txq->txq_id < 32)
- bit_mask[0] = (u32)1 << txq->txq_id;
- else
- bit_mask[1] = (u32)1 << (txq->txq_id - 32);
-
- memset(&ll_req, 0, sizeof(ll_req));
- ll_req.mh.msg_class = BFI_MC_LL;
- ll_req.mh.msg_id = BFI_LL_H2I_TXQ_STOP_REQ;
- ll_req.mh.mtag.h2i.lpu_id = 0;
- ll_req.q_id_mask[0] = htonl(bit_mask[0]);
- ll_req.q_id_mask[1] = htonl(bit_mask[1]);
-
- bna_mbox_qe_fill(&tx->mbox_qe, &ll_req, sizeof(ll_req),
- bna_tx_cb_txq_stopped, tx);
-
- bna_mbox_send(tx->bna, &tx->mbox_qe);
-}
-
-static void
-__bna_txf_start(struct bna_tx *tx)
-{
- struct bna_tx_fndb_ram *tx_fndb;
- struct bna_txf *txf = &tx->txf;
- void __iomem *base_addr;
- unsigned long off;
-
- writel(BNA_GET_PAGE_NUM(LUT0_MEM_BLK_BASE_PG_NUM +
- (tx->bna->port_num * 2), TX_FNDB_RAM_BASE_OFFSET),
- tx->bna->regs.page_addr);
-
- base_addr = BNA_GET_MEM_BASE_ADDR(tx->bna->pcidev.pci_bar_kva,
- TX_FNDB_RAM_BASE_OFFSET);
-
- tx_fndb = (struct bna_tx_fndb_ram *)0;
- off = (unsigned long)&tx_fndb[txf->txf_id].vlan_n_ctrl_flags;
-
- writel(((u32)txf->vlan << 16) | txf->ctrl_flags,
- base_addr + off);
-
- if (tx->txf.txf_id < 32)
- tx->bna->tx_mod.txf_bmap[0] |= ((u32)1 << tx->txf.txf_id);
- else
- tx->bna->tx_mod.txf_bmap[1] |= ((u32)
- 1 << (tx->txf.txf_id - 32));
-}
-
-static void
-__bna_txf_stop(struct bna_tx *tx)
-{
- struct bna_tx_fndb_ram *tx_fndb;
- u32 page_num;
- u32 ctl_flags;
- struct bna_txf *txf = &tx->txf;
- void __iomem *base_addr;
- unsigned long off;
-
- /* retrieve the running txf_flags & turn off enable bit */
- page_num = BNA_GET_PAGE_NUM(LUT0_MEM_BLK_BASE_PG_NUM +
- (tx->bna->port_num * 2), TX_FNDB_RAM_BASE_OFFSET);
- writel(page_num, tx->bna->regs.page_addr);
-
- base_addr = BNA_GET_MEM_BASE_ADDR(tx->bna->pcidev.pci_bar_kva,
- TX_FNDB_RAM_BASE_OFFSET);
- tx_fndb = (struct bna_tx_fndb_ram *)0;
- off = (unsigned long)&tx_fndb[txf->txf_id].vlan_n_ctrl_flags;
-
- ctl_flags = readl(base_addr + off);
- ctl_flags &= ~BFI_TXF_CF_ENABLE;
-
- writel(ctl_flags, base_addr + off);
-
- if (tx->txf.txf_id < 32)
- tx->bna->tx_mod.txf_bmap[0] &= ~((u32)1 << tx->txf.txf_id);
- else
- tx->bna->tx_mod.txf_bmap[0] &= ~((u32)
- 1 << (tx->txf.txf_id - 32));
-}
-
-static void
-__bna_txf_stat_clr(struct bna_tx *tx)
-{
- struct bfi_ll_stats_req ll_req;
- u32 txf_bmap[2] = {0, 0};
- if (tx->txf.txf_id < 32)
- txf_bmap[0] = ((u32)1 << tx->txf.txf_id);
- else
- txf_bmap[1] = ((u32)1 << (tx->txf.txf_id - 32));
- bfi_h2i_set(ll_req.mh, BFI_MC_LL, BFI_LL_H2I_STATS_CLEAR_REQ, 0);
- ll_req.stats_mask = 0;
- ll_req.rxf_id_mask[0] = 0;
- ll_req.rxf_id_mask[1] = 0;
- ll_req.txf_id_mask[0] = htonl(txf_bmap[0]);
- ll_req.txf_id_mask[1] = htonl(txf_bmap[1]);
-
- bna_mbox_qe_fill(&tx->mbox_qe, &ll_req, sizeof(ll_req),
- bna_tx_cb_stats_cleared, tx);
- bna_mbox_send(tx->bna, &tx->mbox_qe);
-}
-
-static void
-__bna_tx_start(struct bna_tx *tx)
-{
- struct bna_txq *txq;
- struct list_head *qe;
-
- list_for_each(qe, &tx->txq_q) {
- txq = (struct bna_txq *)qe;
- bna_ib_start(txq->ib);
- __bna_txq_start(tx, txq);
- }
-
- __bna_txf_start(tx);
-
- list_for_each(qe, &tx->txq_q) {
- txq = (struct bna_txq *)qe;
- txq->tcb->priority = txq->priority;
- (tx->tx_resume_cbfn)(tx->bna->bnad, txq->tcb);
- }
-}
-
-static void
-__bna_tx_stop(struct bna_tx *tx)
-{
- struct bna_txq *txq;
- struct list_head *qe;
-
- list_for_each(qe, &tx->txq_q) {
- txq = (struct bna_txq *)qe;
- (tx->tx_stall_cbfn)(tx->bna->bnad, txq->tcb);
- }
-
- __bna_txf_stop(tx);
-
- list_for_each(qe, &tx->txq_q) {
- txq = (struct bna_txq *)qe;
- bfa_wc_up(&tx->txq_stop_wc);
- }
-
- list_for_each(qe, &tx->txq_q) {
- txq = (struct bna_txq *)qe;
- __bna_txq_stop(tx, txq);
- }
-}
-
-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)
-{
- 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;
-
- for (i = 0; i < page_count; i++) {
- txq->tcb->sw_qpt[i] = page_mem[i].kva;
-
- ((struct bna_dma_addr *)txq->qpt.kv_qpt_ptr)[i].lsb =
- page_mem[i].dma.lsb;
- ((struct bna_dma_addr *)txq->qpt.kv_qpt_ptr)[i].msb =
- page_mem[i].dma.msb;
-
- }
-}
-
-static void
-bna_tx_free(struct bna_tx *tx)
-{
- struct bna_tx_mod *tx_mod = &tx->bna->tx_mod;
- struct bna_txq *txq;
- struct bna_ib_mod *ib_mod = &tx->bna->ib_mod;
- struct list_head *qe;
-
- while (!list_empty(&tx->txq_q)) {
- bfa_q_deq(&tx->txq_q, &txq);
- bfa_q_qe_init(&txq->qe);
- if (txq->ib) {
- if (txq->ib_seg_offset != -1)
- bna_ib_release_idx(txq->ib,
- txq->ib_seg_offset);
- bna_ib_put(ib_mod, txq->ib);
- txq->ib = NULL;
- }
- txq->tcb = NULL;
- txq->tx = NULL;
- list_add_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);
- bfa_q_qe_init(&tx->qe);
- break;
- }
- }
-
- tx->bna = NULL;
- tx->priv = NULL;
- list_add_tail(&tx->qe, &tx_mod->tx_free_q);
-}
-
-static void
-bna_tx_cb_txq_stopped(void *arg, int status)
-{
- struct bna_tx *tx = (struct bna_tx *)arg;
-
- bfa_q_qe_init(&tx->mbox_qe.qe);
- bfa_wc_down(&tx->txq_stop_wc);
-}
-
-static void
-bna_tx_cb_txq_stopped_all(void *arg)
-{
- struct bna_tx *tx = (struct bna_tx *)arg;
-
- bfa_fsm_send_event(tx, TX_E_TXQ_STOPPED);
-}
-
-static void
-bna_tx_cb_stats_cleared(void *arg, int status)
-{
- struct bna_tx *tx = (struct bna_tx *)arg;
-
- bfa_q_qe_init(&tx->mbox_qe.qe);
-
- bfa_fsm_send_event(tx, TX_E_STAT_CLEARED);
-}
-
-static void
-bna_tx_start(struct bna_tx *tx)
-{
- tx->flags |= BNA_TX_F_PORT_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_PORT_STARTED;
- bfa_fsm_send_event(tx, TX_E_STOP);
-}
-
-static void
-bna_tx_fail(struct bna_tx *tx)
-{
- tx->flags &= ~BNA_TX_F_PORT_STARTED;
- bfa_fsm_send_event(tx, TX_E_FAIL);
-}
-
-static void
-bna_tx_prio_changed(struct bna_tx *tx, int prio)
-{
- struct bna_txq *txq;
- struct list_head *qe;
-
- list_for_each(qe, &tx->txq_q) {
- txq = (struct bna_txq *)qe;
- txq->priority = prio;
- }
-
- bfa_fsm_send_event(tx, TX_E_PRIO_CHANGE);
-}
-
-static void
-bna_tx_cee_link_status(struct bna_tx *tx, int cee_link)
-{
- if (cee_link)
- tx->flags |= BNA_TX_F_PRIO_LOCK;
- else
- tx->flags &= ~BNA_TX_F_PRIO_LOCK;
-}
-
-static void
-bna_tx_mod_cb_tx_stopped(void *arg, struct bna_tx *tx,
- enum bna_cb_status status)
-{
- 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->port, BNA_CB_SUCCESS);
- tx_mod->stop_cbfn = NULL;
-}
-
-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;
- mem_info->num = num_txq * page_count;
-
- 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,
- 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;
- struct list_head *qe;
- struct bna_ib_mod *ib_mod = &bna->ib_mod;
- struct bna_doorbell_qset *qset;
- struct bna_ib_config ib_config;
- int page_count;
- int page_size;
- int page_idx;
- int i;
- unsigned long off;
-
- 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.num) /
- tx_cfg->num_txq;
- page_size = res_info[BNA_TX_RES_MEM_T_PAGE].res_u.mem_info.len;
-
- /**
- * Get resources
- */
-
- if ((intr_info->num != 1) && (intr_info->num != tx_cfg->num_txq))
- return NULL;
-
- /* Tx */
-
- if (list_empty(&tx_mod->tx_free_q))
- return NULL;
- bfa_q_deq(&tx_mod->tx_free_q, &tx);
- bfa_q_qe_init(&tx->qe);
-
- /* 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;
-
- bfa_q_deq(&tx_mod->txq_free_q, &txq);
- bfa_q_qe_init(&txq->qe);
- list_add_tail(&txq->qe, &tx->txq_q);
- txq->ib = NULL;
- txq->ib_seg_offset = -1;
- txq->tx = tx;
- }
-
- /* IBs */
- i = 0;
- list_for_each(qe, &tx->txq_q) {
- txq = (struct bna_txq *)qe;
-
- if (intr_info->num == 1)
- txq->ib = bna_ib_get(ib_mod, intr_info->intr_type,
- intr_info->idl[0].vector);
- else
- txq->ib = bna_ib_get(ib_mod, intr_info->intr_type,
- intr_info->idl[i].vector);
-
- if (txq->ib == NULL)
- goto err_return;
-
- txq->ib_seg_offset = bna_ib_reserve_idx(txq->ib);
- if (txq->ib_seg_offset == -1)
- goto err_return;
-
- i++;
- }
-
- /*
- * 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->bna = bna;
- tx->priv = priv;
- tx->txq_stop_wc.wc_resume = bna_tx_cb_txq_stopped_all;
- tx->txq_stop_wc.wc_cbarg = tx;
- tx->txq_stop_wc.wc_count = 0;
-
- tx->type = tx_cfg->tx_type;
-
- tx->flags = 0;
- if (tx->bna->tx_mod.flags & BNA_TX_MOD_F_PORT_STARTED) {
- switch (tx->type) {
- case BNA_TX_T_REGULAR:
- if (!(tx->bna->tx_mod.flags &
- BNA_TX_MOD_F_PORT_LOOPBACK))
- tx->flags |= BNA_TX_F_PORT_STARTED;
- break;
- case BNA_TX_T_LOOPBACK:
- if (tx->bna->tx_mod.flags & BNA_TX_MOD_F_PORT_LOOPBACK)
- tx->flags |= BNA_TX_F_PORT_STARTED;
- break;
- }
- }
- if (tx->bna->tx_mod.cee_link)
- tx->flags |= BNA_TX_F_PRIO_LOCK;
-
- /* TxQ */
-
- i = 0;
- page_idx = 0;
- list_for_each(qe, &tx->txq_q) {
- txq = (struct bna_txq *)qe;
- txq->priority = tx_mod->priority;
- 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 */
-
- ib_config.coalescing_timeo = BFI_TX_COALESCING_TIMEO;
- ib_config.interpkt_timeo = 0; /* Not used */
- ib_config.interpkt_count = BFI_TX_INTERPKT_COUNT;
- ib_config.ctrl_flags = (BFI_IB_CF_INTER_PKT_DMA |
- BFI_IB_CF_INT_ENABLE |
- BFI_IB_CF_COALESCING_MODE);
- bna_ib_config(txq->ib, &ib_config);
-
- /* TCB */
-
- txq->tcb->producer_index = 0;
- txq->tcb->consumer_index = 0;
- txq->tcb->hw_consumer_index = (volatile u32 *)
- ((volatile u8 *)txq->ib->ib_seg_host_addr_kva +
- (txq->ib_seg_offset * BFI_IBIDX_SIZE));
- *(txq->tcb->hw_consumer_index) = 0;
- 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;
- qset = (struct bna_doorbell_qset *)0;
- off = (unsigned long)&qset[txq->txq_id].txq[0];
- txq->tcb->q_dbell = off +
- BNA_GET_DOORBELL_BASE_ADDR(bna->pcidev.pci_bar_kva);
- txq->tcb->i_dbell = &txq->ib->door_bell;
- txq->tcb->intr_type = intr_info->intr_type;
- txq->tcb->intr_vector = (intr_info->num == 1) ?
- intr_info->idl[0].vector :
- intr_info->idl[i].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[page_idx]);
- txq->tcb->page_idx = page_idx;
- txq->tcb->page_count = page_count;
- page_idx += page_count;
-
- /* Callback to bnad for setting up TCB */
- if (tx->tcb_setup_cbfn)
- (tx->tcb_setup_cbfn)(bna->bnad, txq->tcb);
-
- i++;
- }
-
- /* TxF */
-
- tx->txf.ctrl_flags = BFI_TXF_CF_ENABLE | BFI_TXF_CF_VLAN_WI_BASED;
- tx->txf.vlan = 0;
-
- /* Mbox element */
- bfa_q_qe_init(&tx->mbox_qe.qe);
-
- bfa_fsm_set_state(tx, bna_tx_sm_stopped);
-
- return tx;
-
-err_return:
- bna_tx_free(tx);
- return NULL;
-}
-
-void
-bna_tx_destroy(struct bna_tx *tx)
-{
- /* Callback to bnad for destroying TCB */
- if (tx->tcb_destroy_cbfn) {
- struct bna_txq *txq;
- struct list_head *qe;
-
- list_for_each(qe, &tx->txq_q) {
- txq = (struct bna_txq *)qe;
- (tx->tcb_destroy_cbfn)(tx->bna->bnad, txq->tcb);
- }
- }
-
- 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_PORT_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 *, enum bna_cb_status))
-{
- if (type == BNA_SOFT_CLEANUP) {
- (*cbfn)(tx->bna->bnad, tx, BNA_CB_SUCCESS);
- 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);
-}
-
-int
-bna_tx_state_get(struct bna_tx *tx)
-{
- return bfa_sm_to_state(tx_sm_table, tx->fsm);
-}
-
-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_RES_MEM_T_TX_ARRAY].res_u.mem_info.mdl[0].kva;
- tx_mod->txq = (struct bna_txq *)
- res_info[BNA_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 < BFI_MAX_TXQ; i++) {
- tx_mod->tx[i].txf.txf_id = i;
- bfa_q_qe_init(&tx_mod->tx[i].qe);
- list_add_tail(&tx_mod->tx[i].qe, &tx_mod->tx_free_q);
-
- tx_mod->txq[i].txq_id = i;
- bfa_q_qe_init(&tx_mod->txq[i].qe);
- list_add_tail(&tx_mod->txq[i].qe, &tx_mod->txq_free_q);
- }
-
- tx_mod->tx_stop_wc.wc_resume = bna_tx_mod_cb_tx_stopped_all;
- tx_mod->tx_stop_wc.wc_cbarg = tx_mod;
- tx_mod->tx_stop_wc.wc_count = 0;
-}
-
-void
-bna_tx_mod_uninit(struct bna_tx_mod *tx_mod)
-{
- struct list_head *qe;
- int i;
-
- i = 0;
- list_for_each(qe, &tx_mod->tx_free_q)
- i++;
-
- i = 0;
- list_for_each(qe, &tx_mod->txq_free_q)
- i++;
-
- tx_mod->bna = NULL;
-}
-
-void
-bna_tx_mod_start(struct bna_tx_mod *tx_mod, enum bna_tx_type type)
-{
- struct bna_tx *tx;
- struct list_head *qe;
-
- tx_mod->flags |= BNA_TX_MOD_F_PORT_STARTED;
- if (type == BNA_TX_T_LOOPBACK)
- tx_mod->flags |= BNA_TX_MOD_F_PORT_LOOPBACK;
-
- list_for_each(qe, &tx_mod->tx_active_q) {
- tx = (struct bna_tx *)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;
- struct list_head *qe;
-
- tx_mod->flags &= ~BNA_TX_MOD_F_PORT_STARTED;
- tx_mod->flags &= ~BNA_TX_MOD_F_PORT_LOOPBACK;
-
- tx_mod->stop_cbfn = bna_port_cb_tx_stopped;
-
- /**
- * Before calling bna_tx_stop(), increment tx_stop_wc as many times
- * as we are going to call bna_tx_stop
- */
- list_for_each(qe, &tx_mod->tx_active_q) {
- tx = (struct bna_tx *)qe;
- if (tx->type == type)
- bfa_wc_up(&tx_mod->tx_stop_wc);
- }
-
- if (tx_mod->tx_stop_wc.wc_count == 0) {
- tx_mod->stop_cbfn(&tx_mod->bna->port, BNA_CB_SUCCESS);
- tx_mod->stop_cbfn = NULL;
- return;
- }
-
- list_for_each(qe, &tx_mod->tx_active_q) {
- tx = (struct bna_tx *)qe;
- if (tx->type == type)
- bna_tx_stop(tx);
- }
-}
-
-void
-bna_tx_mod_fail(struct bna_tx_mod *tx_mod)
-{
- struct bna_tx *tx;
- struct list_head *qe;
-
- tx_mod->flags &= ~BNA_TX_MOD_F_PORT_STARTED;
- tx_mod->flags &= ~BNA_TX_MOD_F_PORT_LOOPBACK;
-
- list_for_each(qe, &tx_mod->tx_active_q) {
- tx = (struct bna_tx *)qe;
- bna_tx_fail(tx);
- }
-}
-
-void
-bna_tx_mod_prio_changed(struct bna_tx_mod *tx_mod, int prio)
-{
- struct bna_tx *tx;
- struct list_head *qe;
-
- if (prio != tx_mod->priority) {
- tx_mod->priority = prio;
-
- list_for_each(qe, &tx_mod->tx_active_q) {
- tx = (struct bna_tx *)qe;
- bna_tx_prio_changed(tx, prio);
- }
- }
-}
-
-void
-bna_tx_mod_cee_link_status(struct bna_tx_mod *tx_mod, int cee_link)
-{
- struct bna_tx *tx;
- struct list_head *qe;
-
- tx_mod->cee_link = cee_link;
-
- list_for_each(qe, &tx_mod->tx_active_q) {
- tx = (struct bna_tx *)qe;
- bna_tx_cee_link_status(tx, cee_link);
- }
-}