--- /dev/null
+/*
+ * Linux network driver for QLogic BR-series Converged Network Adapter.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License (GPL) Version 2 as
+ * published by the Free Software Foundation
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ */
+/*
+ * Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
+ * Copyright (c) 2014-2015 QLogic Corporation
+ * All rights reserved
+ * www.qlogic.com
+ */
+#include "bna.h"
+
+static inline int
+ethport_can_be_up(struct bna_ethport *ethport)
+{
+ int ready = 0;
+ if (ethport->bna->enet.type == BNA_ENET_T_REGULAR)
+ ready = ((ethport->flags & BNA_ETHPORT_F_ADMIN_UP) &&
+ (ethport->flags & BNA_ETHPORT_F_RX_STARTED) &&
+ (ethport->flags & BNA_ETHPORT_F_PORT_ENABLED));
+ else
+ ready = ((ethport->flags & BNA_ETHPORT_F_ADMIN_UP) &&
+ (ethport->flags & BNA_ETHPORT_F_RX_STARTED) &&
+ !(ethport->flags & BNA_ETHPORT_F_PORT_ENABLED));
+ return ready;
+}
+
+#define ethport_is_up ethport_can_be_up
+
+enum bna_ethport_event {
+ ETHPORT_E_START = 1,
+ ETHPORT_E_STOP = 2,
+ ETHPORT_E_FAIL = 3,
+ ETHPORT_E_UP = 4,
+ ETHPORT_E_DOWN = 5,
+ ETHPORT_E_FWRESP_UP_OK = 6,
+ ETHPORT_E_FWRESP_DOWN = 7,
+ ETHPORT_E_FWRESP_UP_FAIL = 8,
+};
+
+enum bna_enet_event {
+ ENET_E_START = 1,
+ ENET_E_STOP = 2,
+ ENET_E_FAIL = 3,
+ ENET_E_PAUSE_CFG = 4,
+ ENET_E_MTU_CFG = 5,
+ ENET_E_FWRESP_PAUSE = 6,
+ ENET_E_CHLD_STOPPED = 7,
+};
+
+enum bna_ioceth_event {
+ IOCETH_E_ENABLE = 1,
+ IOCETH_E_DISABLE = 2,
+ IOCETH_E_IOC_RESET = 3,
+ IOCETH_E_IOC_FAILED = 4,
+ IOCETH_E_IOC_READY = 5,
+ IOCETH_E_ENET_ATTR_RESP = 6,
+ IOCETH_E_ENET_STOPPED = 7,
+ IOCETH_E_IOC_DISABLED = 8,
+};
+
+#define bna_stats_copy(_name, _type) \
+do { \
+ count = sizeof(struct bfi_enet_stats_ ## _type) / sizeof(u64); \
+ stats_src = (u64 *)&bna->stats.hw_stats_kva->_name ## _stats; \
+ stats_dst = (u64 *)&bna->stats.hw_stats._name ## _stats; \
+ for (i = 0; i < count; i++) \
+ stats_dst[i] = be64_to_cpu(stats_src[i]); \
+} while (0) \
+
+/*
+ * FW response handlers
+ */
+
+static void
+bna_bfi_ethport_enable_aen(struct bna_ethport *ethport,
+ struct bfi_msgq_mhdr *msghdr)
+{
+ ethport->flags |= BNA_ETHPORT_F_PORT_ENABLED;
+
+ if (ethport_can_be_up(ethport))
+ bfa_fsm_send_event(ethport, ETHPORT_E_UP);
+}
+
+static void
+bna_bfi_ethport_disable_aen(struct bna_ethport *ethport,
+ struct bfi_msgq_mhdr *msghdr)
+{
+ int ethport_up = ethport_is_up(ethport);
+
+ ethport->flags &= ~BNA_ETHPORT_F_PORT_ENABLED;
+
+ if (ethport_up)
+ bfa_fsm_send_event(ethport, ETHPORT_E_DOWN);
+}
+
+static void
+bna_bfi_ethport_admin_rsp(struct bna_ethport *ethport,
+ struct bfi_msgq_mhdr *msghdr)
+{
+ struct bfi_enet_enable_req *admin_req =
+ ðport->bfi_enet_cmd.admin_req;
+ struct bfi_enet_rsp *rsp =
+ container_of(msghdr, struct bfi_enet_rsp, mh);
+
+ switch (admin_req->enable) {
+ case BNA_STATUS_T_ENABLED:
+ if (rsp->error == BFI_ENET_CMD_OK)
+ bfa_fsm_send_event(ethport, ETHPORT_E_FWRESP_UP_OK);
+ else {
+ ethport->flags &= ~BNA_ETHPORT_F_PORT_ENABLED;
+ bfa_fsm_send_event(ethport, ETHPORT_E_FWRESP_UP_FAIL);
+ }
+ break;
+
+ case BNA_STATUS_T_DISABLED:
+ bfa_fsm_send_event(ethport, ETHPORT_E_FWRESP_DOWN);
+ ethport->link_status = BNA_LINK_DOWN;
+ ethport->link_cbfn(ethport->bna->bnad, BNA_LINK_DOWN);
+ break;
+ }
+}
+
+static void
+bna_bfi_ethport_lpbk_rsp(struct bna_ethport *ethport,
+ struct bfi_msgq_mhdr *msghdr)
+{
+ struct bfi_enet_diag_lb_req *diag_lb_req =
+ ðport->bfi_enet_cmd.lpbk_req;
+ struct bfi_enet_rsp *rsp =
+ container_of(msghdr, struct bfi_enet_rsp, mh);
+
+ switch (diag_lb_req->enable) {
+ case BNA_STATUS_T_ENABLED:
+ if (rsp->error == BFI_ENET_CMD_OK)
+ bfa_fsm_send_event(ethport, ETHPORT_E_FWRESP_UP_OK);
+ else {
+ ethport->flags &= ~BNA_ETHPORT_F_ADMIN_UP;
+ bfa_fsm_send_event(ethport, ETHPORT_E_FWRESP_UP_FAIL);
+ }
+ break;
+
+ case BNA_STATUS_T_DISABLED:
+ bfa_fsm_send_event(ethport, ETHPORT_E_FWRESP_DOWN);
+ break;
+ }
+}
+
+static void
+bna_bfi_pause_set_rsp(struct bna_enet *enet, struct bfi_msgq_mhdr *msghdr)
+{
+ bfa_fsm_send_event(enet, ENET_E_FWRESP_PAUSE);
+}
+
+static void
+bna_bfi_attr_get_rsp(struct bna_ioceth *ioceth,
+ struct bfi_msgq_mhdr *msghdr)
+{
+ struct bfi_enet_attr_rsp *rsp =
+ container_of(msghdr, struct bfi_enet_attr_rsp, mh);
+
+ /**
+ * Store only if not set earlier, since BNAD can override the HW
+ * attributes
+ */
+ if (!ioceth->attr.fw_query_complete) {
+ ioceth->attr.num_txq = ntohl(rsp->max_cfg);
+ ioceth->attr.num_rxp = ntohl(rsp->max_cfg);
+ ioceth->attr.num_ucmac = ntohl(rsp->max_ucmac);
+ ioceth->attr.num_mcmac = BFI_ENET_MAX_MCAM;
+ ioceth->attr.max_rit_size = ntohl(rsp->rit_size);
+ ioceth->attr.fw_query_complete = true;
+ }
+
+ bfa_fsm_send_event(ioceth, IOCETH_E_ENET_ATTR_RESP);
+}
+
+static void
+bna_bfi_stats_get_rsp(struct bna *bna, struct bfi_msgq_mhdr *msghdr)
+{
+ struct bfi_enet_stats_req *stats_req = &bna->stats_mod.stats_get;
+ u64 *stats_src;
+ u64 *stats_dst;
+ u32 tx_enet_mask = ntohl(stats_req->tx_enet_mask);
+ u32 rx_enet_mask = ntohl(stats_req->rx_enet_mask);
+ int count;
+ int i;
+
+ bna_stats_copy(mac, mac);
+ bna_stats_copy(bpc, bpc);
+ bna_stats_copy(rad, rad);
+ bna_stats_copy(rlb, rad);
+ bna_stats_copy(fc_rx, fc_rx);
+ bna_stats_copy(fc_tx, fc_tx);
+
+ stats_src = (u64 *)&(bna->stats.hw_stats_kva->rxf_stats[0]);
+
+ /* Copy Rxf stats to SW area, scatter them while copying */
+ for (i = 0; i < BFI_ENET_CFG_MAX; i++) {
+ stats_dst = (u64 *)&(bna->stats.hw_stats.rxf_stats[i]);
+ memset(stats_dst, 0, sizeof(struct bfi_enet_stats_rxf));
+ if (rx_enet_mask & ((u32)(1 << i))) {
+ int k;
+ count = sizeof(struct bfi_enet_stats_rxf) /
+ sizeof(u64);
+ for (k = 0; k < count; k++) {
+ stats_dst[k] = be64_to_cpu(*stats_src);
+ stats_src++;
+ }
+ }
+ }
+
+ /* Copy Txf stats to SW area, scatter them while copying */
+ for (i = 0; i < BFI_ENET_CFG_MAX; i++) {
+ stats_dst = (u64 *)&(bna->stats.hw_stats.txf_stats[i]);
+ memset(stats_dst, 0, sizeof(struct bfi_enet_stats_txf));
+ if (tx_enet_mask & ((u32)(1 << i))) {
+ int k;
+ count = sizeof(struct bfi_enet_stats_txf) /
+ sizeof(u64);
+ for (k = 0; k < count; k++) {
+ stats_dst[k] = be64_to_cpu(*stats_src);
+ stats_src++;
+ }
+ }
+ }
+
+ bna->stats_mod.stats_get_busy = false;
+ bnad_cb_stats_get(bna->bnad, BNA_CB_SUCCESS, &bna->stats);
+}
+
+static void
+bna_bfi_ethport_linkup_aen(struct bna_ethport *ethport,
+ struct bfi_msgq_mhdr *msghdr)
+{
+ ethport->link_status = BNA_LINK_UP;
+
+ /* Dispatch events */
+ ethport->link_cbfn(ethport->bna->bnad, ethport->link_status);
+}
+
+static void
+bna_bfi_ethport_linkdown_aen(struct bna_ethport *ethport,
+ struct bfi_msgq_mhdr *msghdr)
+{
+ ethport->link_status = BNA_LINK_DOWN;
+
+ /* Dispatch events */
+ ethport->link_cbfn(ethport->bna->bnad, BNA_LINK_DOWN);
+}
+
+static void
+bna_err_handler(struct bna *bna, u32 intr_status)
+{
+ if (BNA_IS_HALT_INTR(bna, intr_status))
+ bna_halt_clear(bna);
+
+ bfa_nw_ioc_error_isr(&bna->ioceth.ioc);
+}
+
+void
+bna_mbox_handler(struct bna *bna, u32 intr_status)
+{
+ if (BNA_IS_ERR_INTR(bna, intr_status)) {
+ bna_err_handler(bna, intr_status);
+ return;
+ }
+ if (BNA_IS_MBOX_INTR(bna, intr_status))
+ bfa_nw_ioc_mbox_isr(&bna->ioceth.ioc);
+}
+
+static void
+bna_msgq_rsp_handler(void *arg, struct bfi_msgq_mhdr *msghdr)
+{
+ struct bna *bna = (struct bna *)arg;
+ struct bna_tx *tx;
+ struct bna_rx *rx;
+
+ switch (msghdr->msg_id) {
+ case BFI_ENET_I2H_RX_CFG_SET_RSP:
+ bna_rx_from_rid(bna, msghdr->enet_id, rx);
+ if (rx)
+ bna_bfi_rx_enet_start_rsp(rx, msghdr);
+ break;
+
+ case BFI_ENET_I2H_RX_CFG_CLR_RSP:
+ bna_rx_from_rid(bna, msghdr->enet_id, rx);
+ if (rx)
+ bna_bfi_rx_enet_stop_rsp(rx, msghdr);
+ break;
+
+ case BFI_ENET_I2H_RIT_CFG_RSP:
+ case BFI_ENET_I2H_RSS_CFG_RSP:
+ case BFI_ENET_I2H_RSS_ENABLE_RSP:
+ case BFI_ENET_I2H_RX_PROMISCUOUS_RSP:
+ case BFI_ENET_I2H_RX_DEFAULT_RSP:
+ case BFI_ENET_I2H_MAC_UCAST_CLR_RSP:
+ case BFI_ENET_I2H_MAC_UCAST_ADD_RSP:
+ case BFI_ENET_I2H_MAC_UCAST_DEL_RSP:
+ case BFI_ENET_I2H_MAC_MCAST_DEL_RSP:
+ case BFI_ENET_I2H_MAC_MCAST_FILTER_RSP:
+ case BFI_ENET_I2H_RX_VLAN_SET_RSP:
+ case BFI_ENET_I2H_RX_VLAN_STRIP_ENABLE_RSP:
+ bna_rx_from_rid(bna, msghdr->enet_id, rx);
+ if (rx)
+ bna_bfi_rxf_cfg_rsp(&rx->rxf, msghdr);
+ break;
+
+ case BFI_ENET_I2H_MAC_UCAST_SET_RSP:
+ bna_rx_from_rid(bna, msghdr->enet_id, rx);
+ if (rx)
+ bna_bfi_rxf_ucast_set_rsp(&rx->rxf, msghdr);
+ break;
+
+ case BFI_ENET_I2H_MAC_MCAST_ADD_RSP:
+ bna_rx_from_rid(bna, msghdr->enet_id, rx);
+ if (rx)
+ bna_bfi_rxf_mcast_add_rsp(&rx->rxf, msghdr);
+ break;
+
+ case BFI_ENET_I2H_TX_CFG_SET_RSP:
+ bna_tx_from_rid(bna, msghdr->enet_id, tx);
+ if (tx)
+ bna_bfi_tx_enet_start_rsp(tx, msghdr);
+ break;
+
+ case BFI_ENET_I2H_TX_CFG_CLR_RSP:
+ bna_tx_from_rid(bna, msghdr->enet_id, tx);
+ if (tx)
+ bna_bfi_tx_enet_stop_rsp(tx, msghdr);
+ break;
+
+ case BFI_ENET_I2H_PORT_ADMIN_RSP:
+ bna_bfi_ethport_admin_rsp(&bna->ethport, msghdr);
+ break;
+
+ case BFI_ENET_I2H_DIAG_LOOPBACK_RSP:
+ bna_bfi_ethport_lpbk_rsp(&bna->ethport, msghdr);
+ break;
+
+ case BFI_ENET_I2H_SET_PAUSE_RSP:
+ bna_bfi_pause_set_rsp(&bna->enet, msghdr);
+ break;
+
+ case BFI_ENET_I2H_GET_ATTR_RSP:
+ bna_bfi_attr_get_rsp(&bna->ioceth, msghdr);
+ break;
+
+ case BFI_ENET_I2H_STATS_GET_RSP:
+ bna_bfi_stats_get_rsp(bna, msghdr);
+ break;
+
+ case BFI_ENET_I2H_STATS_CLR_RSP:
+ /* No-op */
+ break;
+
+ case BFI_ENET_I2H_LINK_UP_AEN:
+ bna_bfi_ethport_linkup_aen(&bna->ethport, msghdr);
+ break;
+
+ case BFI_ENET_I2H_LINK_DOWN_AEN:
+ bna_bfi_ethport_linkdown_aen(&bna->ethport, msghdr);
+ break;
+
+ case BFI_ENET_I2H_PORT_ENABLE_AEN:
+ bna_bfi_ethport_enable_aen(&bna->ethport, msghdr);
+ break;
+
+ case BFI_ENET_I2H_PORT_DISABLE_AEN:
+ bna_bfi_ethport_disable_aen(&bna->ethport, msghdr);
+ break;
+
+ case BFI_ENET_I2H_BW_UPDATE_AEN:
+ bna_bfi_bw_update_aen(&bna->tx_mod);
+ break;
+
+ default:
+ break;
+ }
+}
+
+/* ETHPORT */
+
+#define call_ethport_stop_cbfn(_ethport) \
+do { \
+ if ((_ethport)->stop_cbfn) { \
+ void (*cbfn)(struct bna_enet *); \
+ cbfn = (_ethport)->stop_cbfn; \
+ (_ethport)->stop_cbfn = NULL; \
+ cbfn(&(_ethport)->bna->enet); \
+ } \
+} while (0)
+
+#define call_ethport_adminup_cbfn(ethport, status) \
+do { \
+ if ((ethport)->adminup_cbfn) { \
+ void (*cbfn)(struct bnad *, enum bna_cb_status); \
+ cbfn = (ethport)->adminup_cbfn; \
+ (ethport)->adminup_cbfn = NULL; \
+ cbfn((ethport)->bna->bnad, status); \
+ } \
+} while (0)
+
+static void
+bna_bfi_ethport_admin_up(struct bna_ethport *ethport)
+{
+ struct bfi_enet_enable_req *admin_up_req =
+ ðport->bfi_enet_cmd.admin_req;
+
+ bfi_msgq_mhdr_set(admin_up_req->mh, BFI_MC_ENET,
+ BFI_ENET_H2I_PORT_ADMIN_UP_REQ, 0, 0);
+ admin_up_req->mh.num_entries = htons(
+ bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_enable_req)));
+ admin_up_req->enable = BNA_STATUS_T_ENABLED;
+
+ bfa_msgq_cmd_set(ðport->msgq_cmd, NULL, NULL,
+ sizeof(struct bfi_enet_enable_req), &admin_up_req->mh);
+ bfa_msgq_cmd_post(ðport->bna->msgq, ðport->msgq_cmd);
+}
+
+static void
+bna_bfi_ethport_admin_down(struct bna_ethport *ethport)
+{
+ struct bfi_enet_enable_req *admin_down_req =
+ ðport->bfi_enet_cmd.admin_req;
+
+ bfi_msgq_mhdr_set(admin_down_req->mh, BFI_MC_ENET,
+ BFI_ENET_H2I_PORT_ADMIN_UP_REQ, 0, 0);
+ admin_down_req->mh.num_entries = htons(
+ bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_enable_req)));
+ admin_down_req->enable = BNA_STATUS_T_DISABLED;
+
+ bfa_msgq_cmd_set(ðport->msgq_cmd, NULL, NULL,
+ sizeof(struct bfi_enet_enable_req), &admin_down_req->mh);
+ bfa_msgq_cmd_post(ðport->bna->msgq, ðport->msgq_cmd);
+}
+
+static void
+bna_bfi_ethport_lpbk_up(struct bna_ethport *ethport)
+{
+ struct bfi_enet_diag_lb_req *lpbk_up_req =
+ ðport->bfi_enet_cmd.lpbk_req;
+
+ bfi_msgq_mhdr_set(lpbk_up_req->mh, BFI_MC_ENET,
+ BFI_ENET_H2I_DIAG_LOOPBACK_REQ, 0, 0);
+ lpbk_up_req->mh.num_entries = htons(
+ bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_diag_lb_req)));
+ lpbk_up_req->mode = (ethport->bna->enet.type ==
+ BNA_ENET_T_LOOPBACK_INTERNAL) ?
+ BFI_ENET_DIAG_LB_OPMODE_EXT :
+ BFI_ENET_DIAG_LB_OPMODE_CBL;
+ lpbk_up_req->enable = BNA_STATUS_T_ENABLED;
+
+ bfa_msgq_cmd_set(ðport->msgq_cmd, NULL, NULL,
+ sizeof(struct bfi_enet_diag_lb_req), &lpbk_up_req->mh);
+ bfa_msgq_cmd_post(ðport->bna->msgq, ðport->msgq_cmd);
+}
+
+static void
+bna_bfi_ethport_lpbk_down(struct bna_ethport *ethport)
+{
+ struct bfi_enet_diag_lb_req *lpbk_down_req =
+ ðport->bfi_enet_cmd.lpbk_req;
+
+ bfi_msgq_mhdr_set(lpbk_down_req->mh, BFI_MC_ENET,
+ BFI_ENET_H2I_DIAG_LOOPBACK_REQ, 0, 0);
+ lpbk_down_req->mh.num_entries = htons(
+ bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_diag_lb_req)));
+ lpbk_down_req->enable = BNA_STATUS_T_DISABLED;
+
+ bfa_msgq_cmd_set(ðport->msgq_cmd, NULL, NULL,
+ sizeof(struct bfi_enet_diag_lb_req), &lpbk_down_req->mh);
+ bfa_msgq_cmd_post(ðport->bna->msgq, ðport->msgq_cmd);
+}
+
+static void
+bna_bfi_ethport_up(struct bna_ethport *ethport)
+{
+ if (ethport->bna->enet.type == BNA_ENET_T_REGULAR)
+ bna_bfi_ethport_admin_up(ethport);
+ else
+ bna_bfi_ethport_lpbk_up(ethport);
+}
+
+static void
+bna_bfi_ethport_down(struct bna_ethport *ethport)
+{
+ if (ethport->bna->enet.type == BNA_ENET_T_REGULAR)
+ bna_bfi_ethport_admin_down(ethport);
+ else
+ bna_bfi_ethport_lpbk_down(ethport);
+}
+
+bfa_fsm_state_decl(bna_ethport, stopped, struct bna_ethport,
+ enum bna_ethport_event);
+bfa_fsm_state_decl(bna_ethport, down, struct bna_ethport,
+ enum bna_ethport_event);
+bfa_fsm_state_decl(bna_ethport, up_resp_wait, struct bna_ethport,
+ enum bna_ethport_event);
+bfa_fsm_state_decl(bna_ethport, down_resp_wait, struct bna_ethport,
+ enum bna_ethport_event);
+bfa_fsm_state_decl(bna_ethport, up, struct bna_ethport,
+ enum bna_ethport_event);
+bfa_fsm_state_decl(bna_ethport, last_resp_wait, struct bna_ethport,
+ enum bna_ethport_event);
+
+static void
+bna_ethport_sm_stopped_entry(struct bna_ethport *ethport)
+{
+ call_ethport_stop_cbfn(ethport);
+}
+
+static void
+bna_ethport_sm_stopped(struct bna_ethport *ethport,
+ enum bna_ethport_event event)
+{
+ switch (event) {
+ case ETHPORT_E_START:
+ bfa_fsm_set_state(ethport, bna_ethport_sm_down);
+ break;
+
+ case ETHPORT_E_STOP:
+ call_ethport_stop_cbfn(ethport);
+ break;
+
+ case ETHPORT_E_FAIL:
+ /* No-op */
+ break;
+
+ case ETHPORT_E_DOWN:
+ /* This event is received due to Rx objects failing */
+ /* No-op */
+ break;
+
+ default:
+ bfa_sm_fault(event);
+ }
+}
+
+static void
+bna_ethport_sm_down_entry(struct bna_ethport *ethport)
+{
+}
+
+static void
+bna_ethport_sm_down(struct bna_ethport *ethport,
+ enum bna_ethport_event event)
+{
+ switch (event) {
+ case ETHPORT_E_STOP:
+ bfa_fsm_set_state(ethport, bna_ethport_sm_stopped);
+ break;
+
+ case ETHPORT_E_FAIL:
+ bfa_fsm_set_state(ethport, bna_ethport_sm_stopped);
+ break;
+
+ case ETHPORT_E_UP:
+ bfa_fsm_set_state(ethport, bna_ethport_sm_up_resp_wait);
+ bna_bfi_ethport_up(ethport);
+ break;
+
+ default:
+ bfa_sm_fault(event);
+ }
+}
+
+static void
+bna_ethport_sm_up_resp_wait_entry(struct bna_ethport *ethport)
+{
+}
+
+static void
+bna_ethport_sm_up_resp_wait(struct bna_ethport *ethport,
+ enum bna_ethport_event event)
+{
+ switch (event) {
+ case ETHPORT_E_STOP:
+ bfa_fsm_set_state(ethport, bna_ethport_sm_last_resp_wait);
+ break;
+
+ case ETHPORT_E_FAIL:
+ call_ethport_adminup_cbfn(ethport, BNA_CB_FAIL);
+ bfa_fsm_set_state(ethport, bna_ethport_sm_stopped);
+ break;
+
+ case ETHPORT_E_DOWN:
+ call_ethport_adminup_cbfn(ethport, BNA_CB_INTERRUPT);
+ bfa_fsm_set_state(ethport, bna_ethport_sm_down_resp_wait);
+ break;
+
+ case ETHPORT_E_FWRESP_UP_OK:
+ call_ethport_adminup_cbfn(ethport, BNA_CB_SUCCESS);
+ bfa_fsm_set_state(ethport, bna_ethport_sm_up);
+ break;
+
+ case ETHPORT_E_FWRESP_UP_FAIL:
+ call_ethport_adminup_cbfn(ethport, BNA_CB_FAIL);
+ bfa_fsm_set_state(ethport, bna_ethport_sm_down);
+ break;
+
+ case ETHPORT_E_FWRESP_DOWN:
+ /* down_resp_wait -> up_resp_wait transition on ETHPORT_E_UP */
+ bna_bfi_ethport_up(ethport);
+ break;
+
+ default:
+ bfa_sm_fault(event);
+ }
+}
+
+static void
+bna_ethport_sm_down_resp_wait_entry(struct bna_ethport *ethport)
+{
+ /**
+ * NOTE: Do not call bna_bfi_ethport_down() here. That will over step
+ * mbox due to up_resp_wait -> down_resp_wait transition on event
+ * ETHPORT_E_DOWN
+ */
+}
+
+static void
+bna_ethport_sm_down_resp_wait(struct bna_ethport *ethport,
+ enum bna_ethport_event event)
+{
+ switch (event) {
+ case ETHPORT_E_STOP:
+ bfa_fsm_set_state(ethport, bna_ethport_sm_last_resp_wait);
+ break;
+
+ case ETHPORT_E_FAIL:
+ bfa_fsm_set_state(ethport, bna_ethport_sm_stopped);
+ break;
+
+ case ETHPORT_E_UP:
+ bfa_fsm_set_state(ethport, bna_ethport_sm_up_resp_wait);
+ break;
+
+ case ETHPORT_E_FWRESP_UP_OK:
+ /* up_resp_wait->down_resp_wait transition on ETHPORT_E_DOWN */
+ bna_bfi_ethport_down(ethport);
+ break;
+
+ case ETHPORT_E_FWRESP_UP_FAIL:
+ case ETHPORT_E_FWRESP_DOWN:
+ bfa_fsm_set_state(ethport, bna_ethport_sm_down);
+ break;
+
+ default:
+ bfa_sm_fault(event);
+ }
+}
+
+static void
+bna_ethport_sm_up_entry(struct bna_ethport *ethport)
+{
+}
+
+static void
+bna_ethport_sm_up(struct bna_ethport *ethport,
+ enum bna_ethport_event event)
+{
+ switch (event) {
+ case ETHPORT_E_STOP:
+ bfa_fsm_set_state(ethport, bna_ethport_sm_last_resp_wait);
+ bna_bfi_ethport_down(ethport);
+ break;
+
+ case ETHPORT_E_FAIL:
+ bfa_fsm_set_state(ethport, bna_ethport_sm_stopped);
+ break;
+
+ case ETHPORT_E_DOWN:
+ bfa_fsm_set_state(ethport, bna_ethport_sm_down_resp_wait);
+ bna_bfi_ethport_down(ethport);
+ break;
+
+ default:
+ bfa_sm_fault(event);
+ }
+}
+
+static void
+bna_ethport_sm_last_resp_wait_entry(struct bna_ethport *ethport)
+{
+}
+
+static void
+bna_ethport_sm_last_resp_wait(struct bna_ethport *ethport,
+ enum bna_ethport_event event)
+{
+ switch (event) {
+ case ETHPORT_E_FAIL:
+ bfa_fsm_set_state(ethport, bna_ethport_sm_stopped);
+ break;
+
+ case ETHPORT_E_DOWN:
+ /**
+ * This event is received due to Rx objects stopping in
+ * parallel to ethport
+ */
+ /* No-op */
+ break;
+
+ case ETHPORT_E_FWRESP_UP_OK:
+ /* up_resp_wait->last_resp_wait transition on ETHPORT_T_STOP */
+ bna_bfi_ethport_down(ethport);
+ break;
+
+ case ETHPORT_E_FWRESP_UP_FAIL:
+ case ETHPORT_E_FWRESP_DOWN:
+ bfa_fsm_set_state(ethport, bna_ethport_sm_stopped);
+ break;
+
+ default:
+ bfa_sm_fault(event);
+ }
+}
+
+static void
+bna_ethport_init(struct bna_ethport *ethport, struct bna *bna)
+{
+ ethport->flags |= (BNA_ETHPORT_F_ADMIN_UP | BNA_ETHPORT_F_PORT_ENABLED);
+ ethport->bna = bna;
+
+ ethport->link_status = BNA_LINK_DOWN;
+ ethport->link_cbfn = bnad_cb_ethport_link_status;
+
+ ethport->rx_started_count = 0;
+
+ ethport->stop_cbfn = NULL;
+ ethport->adminup_cbfn = NULL;
+
+ bfa_fsm_set_state(ethport, bna_ethport_sm_stopped);
+}
+
+static void
+bna_ethport_uninit(struct bna_ethport *ethport)
+{
+ ethport->flags &= ~BNA_ETHPORT_F_ADMIN_UP;
+ ethport->flags &= ~BNA_ETHPORT_F_PORT_ENABLED;
+
+ ethport->bna = NULL;
+}
+
+static void
+bna_ethport_start(struct bna_ethport *ethport)
+{
+ bfa_fsm_send_event(ethport, ETHPORT_E_START);
+}
+
+static void
+bna_enet_cb_ethport_stopped(struct bna_enet *enet)
+{
+ bfa_wc_down(&enet->chld_stop_wc);
+}
+
+static void
+bna_ethport_stop(struct bna_ethport *ethport)
+{
+ ethport->stop_cbfn = bna_enet_cb_ethport_stopped;
+ bfa_fsm_send_event(ethport, ETHPORT_E_STOP);
+}
+
+static void
+bna_ethport_fail(struct bna_ethport *ethport)
+{
+ /* Reset the physical port status to enabled */
+ ethport->flags |= BNA_ETHPORT_F_PORT_ENABLED;
+
+ if (ethport->link_status != BNA_LINK_DOWN) {
+ ethport->link_status = BNA_LINK_DOWN;
+ ethport->link_cbfn(ethport->bna->bnad, BNA_LINK_DOWN);
+ }
+ bfa_fsm_send_event(ethport, ETHPORT_E_FAIL);
+}
+
+/* Should be called only when ethport is disabled */
+void
+bna_ethport_cb_rx_started(struct bna_ethport *ethport)
+{
+ ethport->rx_started_count++;
+
+ if (ethport->rx_started_count == 1) {
+ ethport->flags |= BNA_ETHPORT_F_RX_STARTED;
+
+ if (ethport_can_be_up(ethport))
+ bfa_fsm_send_event(ethport, ETHPORT_E_UP);
+ }
+}
+
+void
+bna_ethport_cb_rx_stopped(struct bna_ethport *ethport)
+{
+ int ethport_up = ethport_is_up(ethport);
+
+ ethport->rx_started_count--;
+
+ if (ethport->rx_started_count == 0) {
+ ethport->flags &= ~BNA_ETHPORT_F_RX_STARTED;
+
+ if (ethport_up)
+ bfa_fsm_send_event(ethport, ETHPORT_E_DOWN);
+ }
+}
+
+/* ENET */
+
+#define bna_enet_chld_start(enet) \
+do { \
+ enum bna_tx_type tx_type = \
+ ((enet)->type == BNA_ENET_T_REGULAR) ? \
+ BNA_TX_T_REGULAR : BNA_TX_T_LOOPBACK; \
+ enum bna_rx_type rx_type = \
+ ((enet)->type == BNA_ENET_T_REGULAR) ? \
+ BNA_RX_T_REGULAR : BNA_RX_T_LOOPBACK; \
+ bna_ethport_start(&(enet)->bna->ethport); \
+ bna_tx_mod_start(&(enet)->bna->tx_mod, tx_type); \
+ bna_rx_mod_start(&(enet)->bna->rx_mod, rx_type); \
+} while (0)
+
+#define bna_enet_chld_stop(enet) \
+do { \
+ enum bna_tx_type tx_type = \
+ ((enet)->type == BNA_ENET_T_REGULAR) ? \
+ BNA_TX_T_REGULAR : BNA_TX_T_LOOPBACK; \
+ enum bna_rx_type rx_type = \
+ ((enet)->type == BNA_ENET_T_REGULAR) ? \
+ BNA_RX_T_REGULAR : BNA_RX_T_LOOPBACK; \
+ bfa_wc_init(&(enet)->chld_stop_wc, bna_enet_cb_chld_stopped, (enet));\
+ bfa_wc_up(&(enet)->chld_stop_wc); \
+ bna_ethport_stop(&(enet)->bna->ethport); \
+ bfa_wc_up(&(enet)->chld_stop_wc); \
+ bna_tx_mod_stop(&(enet)->bna->tx_mod, tx_type); \
+ bfa_wc_up(&(enet)->chld_stop_wc); \
+ bna_rx_mod_stop(&(enet)->bna->rx_mod, rx_type); \
+ bfa_wc_wait(&(enet)->chld_stop_wc); \
+} while (0)
+
+#define bna_enet_chld_fail(enet) \
+do { \
+ bna_ethport_fail(&(enet)->bna->ethport); \
+ bna_tx_mod_fail(&(enet)->bna->tx_mod); \
+ bna_rx_mod_fail(&(enet)->bna->rx_mod); \
+} while (0)
+
+#define bna_enet_rx_start(enet) \
+do { \
+ enum bna_rx_type rx_type = \
+ ((enet)->type == BNA_ENET_T_REGULAR) ? \
+ BNA_RX_T_REGULAR : BNA_RX_T_LOOPBACK; \
+ bna_rx_mod_start(&(enet)->bna->rx_mod, rx_type); \
+} while (0)
+
+#define bna_enet_rx_stop(enet) \
+do { \
+ enum bna_rx_type rx_type = \
+ ((enet)->type == BNA_ENET_T_REGULAR) ? \
+ BNA_RX_T_REGULAR : BNA_RX_T_LOOPBACK; \
+ bfa_wc_init(&(enet)->chld_stop_wc, bna_enet_cb_chld_stopped, (enet));\
+ bfa_wc_up(&(enet)->chld_stop_wc); \
+ bna_rx_mod_stop(&(enet)->bna->rx_mod, rx_type); \
+ bfa_wc_wait(&(enet)->chld_stop_wc); \
+} while (0)
+
+#define call_enet_stop_cbfn(enet) \
+do { \
+ if ((enet)->stop_cbfn) { \
+ void (*cbfn)(void *); \
+ void *cbarg; \
+ cbfn = (enet)->stop_cbfn; \
+ cbarg = (enet)->stop_cbarg; \
+ (enet)->stop_cbfn = NULL; \
+ (enet)->stop_cbarg = NULL; \
+ cbfn(cbarg); \
+ } \
+} while (0)
+
+#define call_enet_pause_cbfn(enet) \
+do { \
+ if ((enet)->pause_cbfn) { \
+ void (*cbfn)(struct bnad *); \
+ cbfn = (enet)->pause_cbfn; \
+ (enet)->pause_cbfn = NULL; \
+ cbfn((enet)->bna->bnad); \
+ } \
+} while (0)
+
+#define call_enet_mtu_cbfn(enet) \
+do { \
+ if ((enet)->mtu_cbfn) { \
+ void (*cbfn)(struct bnad *); \
+ cbfn = (enet)->mtu_cbfn; \
+ (enet)->mtu_cbfn = NULL; \
+ cbfn((enet)->bna->bnad); \
+ } \
+} while (0)
+
+static void bna_enet_cb_chld_stopped(void *arg);
+static void bna_bfi_pause_set(struct bna_enet *enet);
+
+bfa_fsm_state_decl(bna_enet, stopped, struct bna_enet,
+ enum bna_enet_event);
+bfa_fsm_state_decl(bna_enet, pause_init_wait, struct bna_enet,
+ enum bna_enet_event);
+bfa_fsm_state_decl(bna_enet, last_resp_wait, struct bna_enet,
+ enum bna_enet_event);
+bfa_fsm_state_decl(bna_enet, started, struct bna_enet,
+ enum bna_enet_event);
+bfa_fsm_state_decl(bna_enet, cfg_wait, struct bna_enet,
+ enum bna_enet_event);
+bfa_fsm_state_decl(bna_enet, cfg_stop_wait, struct bna_enet,
+ enum bna_enet_event);
+bfa_fsm_state_decl(bna_enet, chld_stop_wait, struct bna_enet,
+ enum bna_enet_event);
+
+static void
+bna_enet_sm_stopped_entry(struct bna_enet *enet)
+{
+ call_enet_pause_cbfn(enet);
+ call_enet_mtu_cbfn(enet);
+ call_enet_stop_cbfn(enet);
+}
+
+static void
+bna_enet_sm_stopped(struct bna_enet *enet, enum bna_enet_event event)
+{
+ switch (event) {
+ case ENET_E_START:
+ bfa_fsm_set_state(enet, bna_enet_sm_pause_init_wait);
+ break;
+
+ case ENET_E_STOP:
+ call_enet_stop_cbfn(enet);
+ break;
+
+ case ENET_E_FAIL:
+ /* No-op */
+ break;
+
+ case ENET_E_PAUSE_CFG:
+ call_enet_pause_cbfn(enet);
+ break;
+
+ case ENET_E_MTU_CFG:
+ call_enet_mtu_cbfn(enet);
+ break;
+
+ case ENET_E_CHLD_STOPPED:
+ /**
+ * This event is received due to Ethport, Tx and Rx objects
+ * failing
+ */
+ /* No-op */
+ break;
+
+ default:
+ bfa_sm_fault(event);
+ }
+}
+
+static void
+bna_enet_sm_pause_init_wait_entry(struct bna_enet *enet)
+{
+ bna_bfi_pause_set(enet);
+}
+
+static void
+bna_enet_sm_pause_init_wait(struct bna_enet *enet,
+ enum bna_enet_event event)
+{
+ switch (event) {
+ case ENET_E_STOP:
+ enet->flags &= ~BNA_ENET_F_PAUSE_CHANGED;
+ bfa_fsm_set_state(enet, bna_enet_sm_last_resp_wait);
+ break;
+
+ case ENET_E_FAIL:
+ enet->flags &= ~BNA_ENET_F_PAUSE_CHANGED;
+ bfa_fsm_set_state(enet, bna_enet_sm_stopped);
+ break;
+
+ case ENET_E_PAUSE_CFG:
+ enet->flags |= BNA_ENET_F_PAUSE_CHANGED;
+ break;
+
+ case ENET_E_MTU_CFG:
+ /* No-op */
+ break;
+
+ case ENET_E_FWRESP_PAUSE:
+ if (enet->flags & BNA_ENET_F_PAUSE_CHANGED) {
+ enet->flags &= ~BNA_ENET_F_PAUSE_CHANGED;
+ bna_bfi_pause_set(enet);
+ } else {
+ bfa_fsm_set_state(enet, bna_enet_sm_started);
+ bna_enet_chld_start(enet);
+ }
+ break;
+
+ default:
+ bfa_sm_fault(event);
+ }
+}
+
+static void
+bna_enet_sm_last_resp_wait_entry(struct bna_enet *enet)
+{
+ enet->flags &= ~BNA_ENET_F_PAUSE_CHANGED;
+}
+
+static void
+bna_enet_sm_last_resp_wait(struct bna_enet *enet,
+ enum bna_enet_event event)
+{
+ switch (event) {
+ case ENET_E_FAIL:
+ case ENET_E_FWRESP_PAUSE:
+ bfa_fsm_set_state(enet, bna_enet_sm_stopped);
+ break;
+
+ default:
+ bfa_sm_fault(event);
+ }
+}
+
+static void
+bna_enet_sm_started_entry(struct bna_enet *enet)
+{
+ /**
+ * NOTE: Do not call bna_enet_chld_start() here, since it will be
+ * inadvertently called during cfg_wait->started transition as well
+ */
+ call_enet_pause_cbfn(enet);
+ call_enet_mtu_cbfn(enet);
+}
+
+static void
+bna_enet_sm_started(struct bna_enet *enet,
+ enum bna_enet_event event)
+{
+ switch (event) {
+ case ENET_E_STOP:
+ bfa_fsm_set_state(enet, bna_enet_sm_chld_stop_wait);
+ break;
+
+ case ENET_E_FAIL:
+ bfa_fsm_set_state(enet, bna_enet_sm_stopped);
+ bna_enet_chld_fail(enet);
+ break;
+
+ case ENET_E_PAUSE_CFG:
+ bfa_fsm_set_state(enet, bna_enet_sm_cfg_wait);
+ bna_bfi_pause_set(enet);
+ break;
+
+ case ENET_E_MTU_CFG:
+ bfa_fsm_set_state(enet, bna_enet_sm_cfg_wait);
+ bna_enet_rx_stop(enet);
+ break;
+
+ default:
+ bfa_sm_fault(event);
+ }
+}
+
+static void
+bna_enet_sm_cfg_wait_entry(struct bna_enet *enet)
+{
+}
+
+static void
+bna_enet_sm_cfg_wait(struct bna_enet *enet,
+ enum bna_enet_event event)
+{
+ switch (event) {
+ case ENET_E_STOP:
+ enet->flags &= ~BNA_ENET_F_PAUSE_CHANGED;
+ enet->flags &= ~BNA_ENET_F_MTU_CHANGED;
+ bfa_fsm_set_state(enet, bna_enet_sm_cfg_stop_wait);
+ break;
+
+ case ENET_E_FAIL:
+ enet->flags &= ~BNA_ENET_F_PAUSE_CHANGED;
+ enet->flags &= ~BNA_ENET_F_MTU_CHANGED;
+ bfa_fsm_set_state(enet, bna_enet_sm_stopped);
+ bna_enet_chld_fail(enet);
+ break;
+
+ case ENET_E_PAUSE_CFG:
+ enet->flags |= BNA_ENET_F_PAUSE_CHANGED;
+ break;
+
+ case ENET_E_MTU_CFG:
+ enet->flags |= BNA_ENET_F_MTU_CHANGED;
+ break;
+
+ case ENET_E_CHLD_STOPPED:
+ bna_enet_rx_start(enet);
+ /* Fall through */
+ case ENET_E_FWRESP_PAUSE:
+ if (enet->flags & BNA_ENET_F_PAUSE_CHANGED) {
+ enet->flags &= ~BNA_ENET_F_PAUSE_CHANGED;
+ bna_bfi_pause_set(enet);
+ } else if (enet->flags & BNA_ENET_F_MTU_CHANGED) {
+ enet->flags &= ~BNA_ENET_F_MTU_CHANGED;
+ bna_enet_rx_stop(enet);
+ } else {
+ bfa_fsm_set_state(enet, bna_enet_sm_started);
+ }
+ break;
+
+ default:
+ bfa_sm_fault(event);
+ }
+}
+
+static void
+bna_enet_sm_cfg_stop_wait_entry(struct bna_enet *enet)
+{
+ enet->flags &= ~BNA_ENET_F_PAUSE_CHANGED;
+ enet->flags &= ~BNA_ENET_F_MTU_CHANGED;
+}
+
+static void
+bna_enet_sm_cfg_stop_wait(struct bna_enet *enet,
+ enum bna_enet_event event)
+{
+ switch (event) {
+ case ENET_E_FAIL:
+ bfa_fsm_set_state(enet, bna_enet_sm_stopped);
+ bna_enet_chld_fail(enet);
+ break;
+
+ case ENET_E_FWRESP_PAUSE:
+ case ENET_E_CHLD_STOPPED:
+ bfa_fsm_set_state(enet, bna_enet_sm_chld_stop_wait);
+ break;
+
+ default:
+ bfa_sm_fault(event);
+ }
+}
+
+static void
+bna_enet_sm_chld_stop_wait_entry(struct bna_enet *enet)
+{
+ bna_enet_chld_stop(enet);
+}
+
+static void
+bna_enet_sm_chld_stop_wait(struct bna_enet *enet,
+ enum bna_enet_event event)
+{
+ switch (event) {
+ case ENET_E_FAIL:
+ bfa_fsm_set_state(enet, bna_enet_sm_stopped);
+ bna_enet_chld_fail(enet);
+ break;
+
+ case ENET_E_CHLD_STOPPED:
+ bfa_fsm_set_state(enet, bna_enet_sm_stopped);
+ break;
+
+ default:
+ bfa_sm_fault(event);
+ }
+}
+
+static void
+bna_bfi_pause_set(struct bna_enet *enet)
+{
+ struct bfi_enet_set_pause_req *pause_req = &enet->pause_req;
+
+ bfi_msgq_mhdr_set(pause_req->mh, BFI_MC_ENET,
+ BFI_ENET_H2I_SET_PAUSE_REQ, 0, 0);
+ pause_req->mh.num_entries = htons(
+ bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_set_pause_req)));
+ pause_req->tx_pause = enet->pause_config.tx_pause;
+ pause_req->rx_pause = enet->pause_config.rx_pause;
+
+ bfa_msgq_cmd_set(&enet->msgq_cmd, NULL, NULL,
+ sizeof(struct bfi_enet_set_pause_req), &pause_req->mh);
+ bfa_msgq_cmd_post(&enet->bna->msgq, &enet->msgq_cmd);
+}
+
+static void
+bna_enet_cb_chld_stopped(void *arg)
+{
+ struct bna_enet *enet = (struct bna_enet *)arg;
+
+ bfa_fsm_send_event(enet, ENET_E_CHLD_STOPPED);
+}
+
+static void
+bna_enet_init(struct bna_enet *enet, struct bna *bna)
+{
+ enet->bna = bna;
+ enet->flags = 0;
+ enet->mtu = 0;
+ enet->type = BNA_ENET_T_REGULAR;
+
+ enet->stop_cbfn = NULL;
+ enet->stop_cbarg = NULL;
+
+ enet->pause_cbfn = NULL;
+
+ enet->mtu_cbfn = NULL;
+
+ bfa_fsm_set_state(enet, bna_enet_sm_stopped);
+}
+
+static void
+bna_enet_uninit(struct bna_enet *enet)
+{
+ enet->flags = 0;
+
+ enet->bna = NULL;
+}
+
+static void
+bna_enet_start(struct bna_enet *enet)
+{
+ enet->flags |= BNA_ENET_F_IOCETH_READY;
+ if (enet->flags & BNA_ENET_F_ENABLED)
+ bfa_fsm_send_event(enet, ENET_E_START);
+}
+
+static void
+bna_ioceth_cb_enet_stopped(void *arg)
+{
+ struct bna_ioceth *ioceth = (struct bna_ioceth *)arg;
+
+ bfa_fsm_send_event(ioceth, IOCETH_E_ENET_STOPPED);
+}
+
+static void
+bna_enet_stop(struct bna_enet *enet)
+{
+ enet->stop_cbfn = bna_ioceth_cb_enet_stopped;
+ enet->stop_cbarg = &enet->bna->ioceth;
+
+ enet->flags &= ~BNA_ENET_F_IOCETH_READY;
+ bfa_fsm_send_event(enet, ENET_E_STOP);
+}
+
+static void
+bna_enet_fail(struct bna_enet *enet)
+{
+ enet->flags &= ~BNA_ENET_F_IOCETH_READY;
+ bfa_fsm_send_event(enet, ENET_E_FAIL);
+}
+
+void
+bna_enet_cb_tx_stopped(struct bna_enet *enet)
+{
+ bfa_wc_down(&enet->chld_stop_wc);
+}
+
+void
+bna_enet_cb_rx_stopped(struct bna_enet *enet)
+{
+ bfa_wc_down(&enet->chld_stop_wc);
+}
+
+int
+bna_enet_mtu_get(struct bna_enet *enet)
+{
+ return enet->mtu;
+}
+
+void
+bna_enet_enable(struct bna_enet *enet)
+{
+ if (enet->fsm != (bfa_sm_t)bna_enet_sm_stopped)
+ return;
+
+ enet->flags |= BNA_ENET_F_ENABLED;
+
+ if (enet->flags & BNA_ENET_F_IOCETH_READY)
+ bfa_fsm_send_event(enet, ENET_E_START);
+}
+
+void
+bna_enet_disable(struct bna_enet *enet, enum bna_cleanup_type type,
+ void (*cbfn)(void *))
+{
+ if (type == BNA_SOFT_CLEANUP) {
+ (*cbfn)(enet->bna->bnad);
+ return;
+ }
+
+ enet->stop_cbfn = cbfn;
+ enet->stop_cbarg = enet->bna->bnad;
+
+ enet->flags &= ~BNA_ENET_F_ENABLED;
+
+ bfa_fsm_send_event(enet, ENET_E_STOP);
+}
+
+void
+bna_enet_pause_config(struct bna_enet *enet,
+ struct bna_pause_config *pause_config,
+ void (*cbfn)(struct bnad *))
+{
+ enet->pause_config = *pause_config;
+
+ enet->pause_cbfn = cbfn;
+
+ bfa_fsm_send_event(enet, ENET_E_PAUSE_CFG);
+}
+
+void
+bna_enet_mtu_set(struct bna_enet *enet, int mtu,
+ void (*cbfn)(struct bnad *))
+{
+ enet->mtu = mtu;
+
+ enet->mtu_cbfn = cbfn;
+
+ bfa_fsm_send_event(enet, ENET_E_MTU_CFG);
+}
+
+void
+bna_enet_perm_mac_get(struct bna_enet *enet, mac_t *mac)
+{
+ *mac = bfa_nw_ioc_get_mac(&enet->bna->ioceth.ioc);
+}
+
+/* IOCETH */
+
+#define enable_mbox_intr(_ioceth) \
+do { \
+ u32 intr_status; \
+ bna_intr_status_get((_ioceth)->bna, intr_status); \
+ bnad_cb_mbox_intr_enable((_ioceth)->bna->bnad); \
+ bna_mbox_intr_enable((_ioceth)->bna); \
+} while (0)
+
+#define disable_mbox_intr(_ioceth) \
+do { \
+ bna_mbox_intr_disable((_ioceth)->bna); \
+ bnad_cb_mbox_intr_disable((_ioceth)->bna->bnad); \
+} while (0)
+
+#define call_ioceth_stop_cbfn(_ioceth) \
+do { \
+ if ((_ioceth)->stop_cbfn) { \
+ void (*cbfn)(struct bnad *); \
+ struct bnad *cbarg; \
+ cbfn = (_ioceth)->stop_cbfn; \
+ cbarg = (_ioceth)->stop_cbarg; \
+ (_ioceth)->stop_cbfn = NULL; \
+ (_ioceth)->stop_cbarg = NULL; \
+ cbfn(cbarg); \
+ } \
+} while (0)
+
+#define bna_stats_mod_uninit(_stats_mod) \
+do { \
+} while (0)
+
+#define bna_stats_mod_start(_stats_mod) \
+do { \
+ (_stats_mod)->ioc_ready = true; \
+} while (0)
+
+#define bna_stats_mod_stop(_stats_mod) \
+do { \
+ (_stats_mod)->ioc_ready = false; \
+} while (0)
+
+#define bna_stats_mod_fail(_stats_mod) \
+do { \
+ (_stats_mod)->ioc_ready = false; \
+ (_stats_mod)->stats_get_busy = false; \
+ (_stats_mod)->stats_clr_busy = false; \
+} while (0)
+
+static void bna_bfi_attr_get(struct bna_ioceth *ioceth);
+
+bfa_fsm_state_decl(bna_ioceth, stopped, struct bna_ioceth,
+ enum bna_ioceth_event);
+bfa_fsm_state_decl(bna_ioceth, ioc_ready_wait, struct bna_ioceth,
+ enum bna_ioceth_event);
+bfa_fsm_state_decl(bna_ioceth, enet_attr_wait, struct bna_ioceth,
+ enum bna_ioceth_event);
+bfa_fsm_state_decl(bna_ioceth, ready, struct bna_ioceth,
+ enum bna_ioceth_event);
+bfa_fsm_state_decl(bna_ioceth, last_resp_wait, struct bna_ioceth,
+ enum bna_ioceth_event);
+bfa_fsm_state_decl(bna_ioceth, enet_stop_wait, struct bna_ioceth,
+ enum bna_ioceth_event);
+bfa_fsm_state_decl(bna_ioceth, ioc_disable_wait, struct bna_ioceth,
+ enum bna_ioceth_event);
+bfa_fsm_state_decl(bna_ioceth, failed, struct bna_ioceth,
+ enum bna_ioceth_event);
+
+static void
+bna_ioceth_sm_stopped_entry(struct bna_ioceth *ioceth)
+{
+ call_ioceth_stop_cbfn(ioceth);
+}
+
+static void
+bna_ioceth_sm_stopped(struct bna_ioceth *ioceth,
+ enum bna_ioceth_event event)
+{
+ switch (event) {
+ case IOCETH_E_ENABLE:
+ bfa_fsm_set_state(ioceth, bna_ioceth_sm_ioc_ready_wait);
+ bfa_nw_ioc_enable(&ioceth->ioc);
+ break;
+
+ case IOCETH_E_DISABLE:
+ bfa_fsm_set_state(ioceth, bna_ioceth_sm_stopped);
+ break;
+
+ case IOCETH_E_IOC_RESET:
+ enable_mbox_intr(ioceth);
+ break;
+
+ case IOCETH_E_IOC_FAILED:
+ disable_mbox_intr(ioceth);
+ bfa_fsm_set_state(ioceth, bna_ioceth_sm_failed);
+ break;
+
+ default:
+ bfa_sm_fault(event);
+ }
+}
+
+static void
+bna_ioceth_sm_ioc_ready_wait_entry(struct bna_ioceth *ioceth)
+{
+ /**
+ * Do not call bfa_nw_ioc_enable() here. It must be called in the
+ * previous state due to failed -> ioc_ready_wait transition.
+ */
+}
+
+static void
+bna_ioceth_sm_ioc_ready_wait(struct bna_ioceth *ioceth,
+ enum bna_ioceth_event event)
+{
+ switch (event) {
+ case IOCETH_E_DISABLE:
+ bfa_fsm_set_state(ioceth, bna_ioceth_sm_ioc_disable_wait);
+ bfa_nw_ioc_disable(&ioceth->ioc);
+ break;
+
+ case IOCETH_E_IOC_RESET:
+ enable_mbox_intr(ioceth);
+ break;
+
+ case IOCETH_E_IOC_FAILED:
+ disable_mbox_intr(ioceth);
+ bfa_fsm_set_state(ioceth, bna_ioceth_sm_failed);
+ break;
+
+ case IOCETH_E_IOC_READY:
+ bfa_fsm_set_state(ioceth, bna_ioceth_sm_enet_attr_wait);
+ break;
+
+ default:
+ bfa_sm_fault(event);
+ }
+}
+
+static void
+bna_ioceth_sm_enet_attr_wait_entry(struct bna_ioceth *ioceth)
+{
+ bna_bfi_attr_get(ioceth);
+}
+
+static void
+bna_ioceth_sm_enet_attr_wait(struct bna_ioceth *ioceth,
+ enum bna_ioceth_event event)
+{
+ switch (event) {
+ case IOCETH_E_DISABLE:
+ bfa_fsm_set_state(ioceth, bna_ioceth_sm_last_resp_wait);
+ break;
+
+ case IOCETH_E_IOC_FAILED:
+ disable_mbox_intr(ioceth);
+ bfa_fsm_set_state(ioceth, bna_ioceth_sm_failed);
+ break;
+
+ case IOCETH_E_ENET_ATTR_RESP:
+ bfa_fsm_set_state(ioceth, bna_ioceth_sm_ready);
+ break;
+
+ default:
+ bfa_sm_fault(event);
+ }
+}
+
+static void
+bna_ioceth_sm_ready_entry(struct bna_ioceth *ioceth)
+{
+ bna_enet_start(&ioceth->bna->enet);
+ bna_stats_mod_start(&ioceth->bna->stats_mod);
+ bnad_cb_ioceth_ready(ioceth->bna->bnad);
+}
+
+static void
+bna_ioceth_sm_ready(struct bna_ioceth *ioceth, enum bna_ioceth_event event)
+{
+ switch (event) {
+ case IOCETH_E_DISABLE:
+ bfa_fsm_set_state(ioceth, bna_ioceth_sm_enet_stop_wait);
+ break;
+
+ case IOCETH_E_IOC_FAILED:
+ disable_mbox_intr(ioceth);
+ bna_enet_fail(&ioceth->bna->enet);
+ bna_stats_mod_fail(&ioceth->bna->stats_mod);
+ bfa_fsm_set_state(ioceth, bna_ioceth_sm_failed);
+ break;
+
+ default:
+ bfa_sm_fault(event);
+ }
+}
+
+static void
+bna_ioceth_sm_last_resp_wait_entry(struct bna_ioceth *ioceth)
+{
+}
+
+static void
+bna_ioceth_sm_last_resp_wait(struct bna_ioceth *ioceth,
+ enum bna_ioceth_event event)
+{
+ switch (event) {
+ case IOCETH_E_IOC_FAILED:
+ bfa_fsm_set_state(ioceth, bna_ioceth_sm_ioc_disable_wait);
+ disable_mbox_intr(ioceth);
+ bfa_nw_ioc_disable(&ioceth->ioc);
+ break;
+
+ case IOCETH_E_ENET_ATTR_RESP:
+ bfa_fsm_set_state(ioceth, bna_ioceth_sm_ioc_disable_wait);
+ bfa_nw_ioc_disable(&ioceth->ioc);
+ break;
+
+ default:
+ bfa_sm_fault(event);
+ }
+}
+
+static void
+bna_ioceth_sm_enet_stop_wait_entry(struct bna_ioceth *ioceth)
+{
+ bna_stats_mod_stop(&ioceth->bna->stats_mod);
+ bna_enet_stop(&ioceth->bna->enet);
+}
+
+static void
+bna_ioceth_sm_enet_stop_wait(struct bna_ioceth *ioceth,
+ enum bna_ioceth_event event)
+{
+ switch (event) {
+ case IOCETH_E_IOC_FAILED:
+ bfa_fsm_set_state(ioceth, bna_ioceth_sm_ioc_disable_wait);
+ disable_mbox_intr(ioceth);
+ bna_enet_fail(&ioceth->bna->enet);
+ bna_stats_mod_fail(&ioceth->bna->stats_mod);
+ bfa_nw_ioc_disable(&ioceth->ioc);
+ break;
+
+ case IOCETH_E_ENET_STOPPED:
+ bfa_fsm_set_state(ioceth, bna_ioceth_sm_ioc_disable_wait);
+ bfa_nw_ioc_disable(&ioceth->ioc);
+ break;
+
+ default:
+ bfa_sm_fault(event);
+ }
+}
+
+static void
+bna_ioceth_sm_ioc_disable_wait_entry(struct bna_ioceth *ioceth)
+{
+}
+
+static void
+bna_ioceth_sm_ioc_disable_wait(struct bna_ioceth *ioceth,
+ enum bna_ioceth_event event)
+{
+ switch (event) {
+ case IOCETH_E_IOC_DISABLED:
+ disable_mbox_intr(ioceth);
+ bfa_fsm_set_state(ioceth, bna_ioceth_sm_stopped);
+ break;
+
+ case IOCETH_E_ENET_STOPPED:
+ /* This event is received due to enet failing */
+ /* No-op */
+ break;
+
+ default:
+ bfa_sm_fault(event);
+ }
+}
+
+static void
+bna_ioceth_sm_failed_entry(struct bna_ioceth *ioceth)
+{
+ bnad_cb_ioceth_failed(ioceth->bna->bnad);
+}
+
+static void
+bna_ioceth_sm_failed(struct bna_ioceth *ioceth,
+ enum bna_ioceth_event event)
+{
+ switch (event) {
+ case IOCETH_E_DISABLE:
+ bfa_fsm_set_state(ioceth, bna_ioceth_sm_ioc_disable_wait);
+ bfa_nw_ioc_disable(&ioceth->ioc);
+ break;
+
+ case IOCETH_E_IOC_RESET:
+ enable_mbox_intr(ioceth);
+ bfa_fsm_set_state(ioceth, bna_ioceth_sm_ioc_ready_wait);
+ break;
+
+ case IOCETH_E_IOC_FAILED:
+ break;
+
+ default:
+ bfa_sm_fault(event);
+ }
+}
+
+static void
+bna_bfi_attr_get(struct bna_ioceth *ioceth)
+{
+ struct bfi_enet_attr_req *attr_req = &ioceth->attr_req;
+
+ bfi_msgq_mhdr_set(attr_req->mh, BFI_MC_ENET,
+ BFI_ENET_H2I_GET_ATTR_REQ, 0, 0);
+ attr_req->mh.num_entries = htons(
+ bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_attr_req)));
+ bfa_msgq_cmd_set(&ioceth->msgq_cmd, NULL, NULL,
+ sizeof(struct bfi_enet_attr_req), &attr_req->mh);
+ bfa_msgq_cmd_post(&ioceth->bna->msgq, &ioceth->msgq_cmd);
+}
+
+/* IOC callback functions */
+
+static void
+bna_cb_ioceth_enable(void *arg, enum bfa_status error)
+{
+ struct bna_ioceth *ioceth = (struct bna_ioceth *)arg;
+
+ if (error)
+ bfa_fsm_send_event(ioceth, IOCETH_E_IOC_FAILED);
+ else
+ bfa_fsm_send_event(ioceth, IOCETH_E_IOC_READY);
+}
+
+static void
+bna_cb_ioceth_disable(void *arg)
+{
+ struct bna_ioceth *ioceth = (struct bna_ioceth *)arg;
+
+ bfa_fsm_send_event(ioceth, IOCETH_E_IOC_DISABLED);
+}
+
+static void
+bna_cb_ioceth_hbfail(void *arg)
+{
+ struct bna_ioceth *ioceth = (struct bna_ioceth *)arg;
+
+ bfa_fsm_send_event(ioceth, IOCETH_E_IOC_FAILED);
+}
+
+static void
+bna_cb_ioceth_reset(void *arg)
+{
+ struct bna_ioceth *ioceth = (struct bna_ioceth *)arg;
+
+ bfa_fsm_send_event(ioceth, IOCETH_E_IOC_RESET);
+}
+
+static struct bfa_ioc_cbfn bna_ioceth_cbfn = {
+ bna_cb_ioceth_enable,
+ bna_cb_ioceth_disable,
+ bna_cb_ioceth_hbfail,
+ bna_cb_ioceth_reset
+};
+
+static void bna_attr_init(struct bna_ioceth *ioceth)
+{
+ ioceth->attr.num_txq = BFI_ENET_DEF_TXQ;
+ ioceth->attr.num_rxp = BFI_ENET_DEF_RXP;
+ ioceth->attr.num_ucmac = BFI_ENET_DEF_UCAM;
+ ioceth->attr.num_mcmac = BFI_ENET_MAX_MCAM;
+ ioceth->attr.max_rit_size = BFI_ENET_DEF_RITSZ;
+ ioceth->attr.fw_query_complete = false;
+}
+
+static void
+bna_ioceth_init(struct bna_ioceth *ioceth, struct bna *bna,
+ struct bna_res_info *res_info)
+{
+ u64 dma;
+ u8 *kva;
+
+ ioceth->bna = bna;
+
+ /**
+ * Attach IOC and claim:
+ * 1. DMA memory for IOC attributes
+ * 2. Kernel memory for FW trace
+ */
+ bfa_nw_ioc_attach(&ioceth->ioc, ioceth, &bna_ioceth_cbfn);
+ bfa_nw_ioc_pci_init(&ioceth->ioc, &bna->pcidev, BFI_PCIFN_CLASS_ETH);
+
+ BNA_GET_DMA_ADDR(
+ &res_info[BNA_RES_MEM_T_ATTR].res_u.mem_info.mdl[0].dma, dma);
+ kva = res_info[BNA_RES_MEM_T_ATTR].res_u.mem_info.mdl[0].kva;
+ bfa_nw_ioc_mem_claim(&ioceth->ioc, kva, dma);
+
+ kva = res_info[BNA_RES_MEM_T_FWTRC].res_u.mem_info.mdl[0].kva;
+ bfa_nw_ioc_debug_memclaim(&ioceth->ioc, kva);
+
+ /**
+ * Attach common modules (Diag, SFP, CEE, Port) and claim respective
+ * DMA memory.
+ */
+ BNA_GET_DMA_ADDR(
+ &res_info[BNA_RES_MEM_T_COM].res_u.mem_info.mdl[0].dma, dma);
+ kva = res_info[BNA_RES_MEM_T_COM].res_u.mem_info.mdl[0].kva;
+ bfa_nw_cee_attach(&bna->cee, &ioceth->ioc, bna);
+ bfa_nw_cee_mem_claim(&bna->cee, kva, dma);
+ kva += bfa_nw_cee_meminfo();
+ dma += bfa_nw_cee_meminfo();
+
+ bfa_nw_flash_attach(&bna->flash, &ioceth->ioc, bna);
+ bfa_nw_flash_memclaim(&bna->flash, kva, dma);
+ kva += bfa_nw_flash_meminfo();
+ dma += bfa_nw_flash_meminfo();
+
+ bfa_msgq_attach(&bna->msgq, &ioceth->ioc);
+ bfa_msgq_memclaim(&bna->msgq, kva, dma);
+ bfa_msgq_regisr(&bna->msgq, BFI_MC_ENET, bna_msgq_rsp_handler, bna);
+ kva += bfa_msgq_meminfo();
+ dma += bfa_msgq_meminfo();
+
+ ioceth->stop_cbfn = NULL;
+ ioceth->stop_cbarg = NULL;
+
+ bna_attr_init(ioceth);
+
+ bfa_fsm_set_state(ioceth, bna_ioceth_sm_stopped);
+}
+
+static void
+bna_ioceth_uninit(struct bna_ioceth *ioceth)
+{
+ bfa_nw_ioc_detach(&ioceth->ioc);
+
+ ioceth->bna = NULL;
+}
+
+void
+bna_ioceth_enable(struct bna_ioceth *ioceth)
+{
+ if (ioceth->fsm == (bfa_fsm_t)bna_ioceth_sm_ready) {
+ bnad_cb_ioceth_ready(ioceth->bna->bnad);
+ return;
+ }
+
+ if (ioceth->fsm == (bfa_fsm_t)bna_ioceth_sm_stopped)
+ bfa_fsm_send_event(ioceth, IOCETH_E_ENABLE);
+}
+
+void
+bna_ioceth_disable(struct bna_ioceth *ioceth, enum bna_cleanup_type type)
+{
+ if (type == BNA_SOFT_CLEANUP) {
+ bnad_cb_ioceth_disabled(ioceth->bna->bnad);
+ return;
+ }
+
+ ioceth->stop_cbfn = bnad_cb_ioceth_disabled;
+ ioceth->stop_cbarg = ioceth->bna->bnad;
+
+ bfa_fsm_send_event(ioceth, IOCETH_E_DISABLE);
+}
+
+static void
+bna_ucam_mod_init(struct bna_ucam_mod *ucam_mod, struct bna *bna,
+ struct bna_res_info *res_info)
+{
+ int i;
+
+ ucam_mod->ucmac = (struct bna_mac *)
+ res_info[BNA_MOD_RES_MEM_T_UCMAC_ARRAY].res_u.mem_info.mdl[0].kva;
+
+ INIT_LIST_HEAD(&ucam_mod->free_q);
+ for (i = 0; i < bna->ioceth.attr.num_ucmac; i++) {
+ bfa_q_qe_init(&ucam_mod->ucmac[i].qe);
+ list_add_tail(&ucam_mod->ucmac[i].qe, &ucam_mod->free_q);
+ }
+
+ /* A separate queue to allow synchronous setting of a list of MACs */
+ INIT_LIST_HEAD(&ucam_mod->del_q);
+ for (i = i; i < (bna->ioceth.attr.num_ucmac * 2); i++) {
+ bfa_q_qe_init(&ucam_mod->ucmac[i].qe);
+ list_add_tail(&ucam_mod->ucmac[i].qe, &ucam_mod->del_q);
+ }
+
+ ucam_mod->bna = bna;
+}
+
+static void
+bna_ucam_mod_uninit(struct bna_ucam_mod *ucam_mod)
+{
+ struct list_head *qe;
+ int i;
+
+ i = 0;
+ list_for_each(qe, &ucam_mod->free_q)
+ i++;
+
+ i = 0;
+ list_for_each(qe, &ucam_mod->del_q)
+ i++;
+
+ ucam_mod->bna = NULL;
+}
+
+static void
+bna_mcam_mod_init(struct bna_mcam_mod *mcam_mod, struct bna *bna,
+ struct bna_res_info *res_info)
+{
+ int i;
+
+ mcam_mod->mcmac = (struct bna_mac *)
+ res_info[BNA_MOD_RES_MEM_T_MCMAC_ARRAY].res_u.mem_info.mdl[0].kva;
+
+ INIT_LIST_HEAD(&mcam_mod->free_q);
+ for (i = 0; i < bna->ioceth.attr.num_mcmac; i++) {
+ bfa_q_qe_init(&mcam_mod->mcmac[i].qe);
+ list_add_tail(&mcam_mod->mcmac[i].qe, &mcam_mod->free_q);
+ }
+
+ mcam_mod->mchandle = (struct bna_mcam_handle *)
+ res_info[BNA_MOD_RES_MEM_T_MCHANDLE_ARRAY].res_u.mem_info.mdl[0].kva;
+
+ INIT_LIST_HEAD(&mcam_mod->free_handle_q);
+ for (i = 0; i < bna->ioceth.attr.num_mcmac; i++) {
+ bfa_q_qe_init(&mcam_mod->mchandle[i].qe);
+ list_add_tail(&mcam_mod->mchandle[i].qe,
+ &mcam_mod->free_handle_q);
+ }
+
+ /* A separate queue to allow synchronous setting of a list of MACs */
+ INIT_LIST_HEAD(&mcam_mod->del_q);
+ for (i = i; i < (bna->ioceth.attr.num_mcmac * 2); i++) {
+ bfa_q_qe_init(&mcam_mod->mcmac[i].qe);
+ list_add_tail(&mcam_mod->mcmac[i].qe, &mcam_mod->del_q);
+ }
+
+ mcam_mod->bna = bna;
+}
+
+static void
+bna_mcam_mod_uninit(struct bna_mcam_mod *mcam_mod)
+{
+ struct list_head *qe;
+ int i;
+
+ i = 0;
+ list_for_each(qe, &mcam_mod->free_q) i++;
+
+ i = 0;
+ list_for_each(qe, &mcam_mod->del_q) i++;
+
+ i = 0;
+ list_for_each(qe, &mcam_mod->free_handle_q) i++;
+
+ mcam_mod->bna = NULL;
+}
+
+static void
+bna_bfi_stats_get(struct bna *bna)
+{
+ struct bfi_enet_stats_req *stats_req = &bna->stats_mod.stats_get;
+
+ bna->stats_mod.stats_get_busy = true;
+
+ bfi_msgq_mhdr_set(stats_req->mh, BFI_MC_ENET,
+ BFI_ENET_H2I_STATS_GET_REQ, 0, 0);
+ stats_req->mh.num_entries = htons(
+ bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_stats_req)));
+ stats_req->stats_mask = htons(BFI_ENET_STATS_ALL);
+ stats_req->tx_enet_mask = htonl(bna->tx_mod.rid_mask);
+ stats_req->rx_enet_mask = htonl(bna->rx_mod.rid_mask);
+ stats_req->host_buffer.a32.addr_hi = bna->stats.hw_stats_dma.msb;
+ stats_req->host_buffer.a32.addr_lo = bna->stats.hw_stats_dma.lsb;
+
+ bfa_msgq_cmd_set(&bna->stats_mod.stats_get_cmd, NULL, NULL,
+ sizeof(struct bfi_enet_stats_req), &stats_req->mh);
+ bfa_msgq_cmd_post(&bna->msgq, &bna->stats_mod.stats_get_cmd);
+}
+
+void
+bna_res_req(struct bna_res_info *res_info)
+{
+ /* DMA memory for COMMON_MODULE */
+ res_info[BNA_RES_MEM_T_COM].res_type = BNA_RES_T_MEM;
+ res_info[BNA_RES_MEM_T_COM].res_u.mem_info.mem_type = BNA_MEM_T_DMA;
+ res_info[BNA_RES_MEM_T_COM].res_u.mem_info.num = 1;
+ res_info[BNA_RES_MEM_T_COM].res_u.mem_info.len = ALIGN(
+ (bfa_nw_cee_meminfo() +
+ bfa_nw_flash_meminfo() +
+ bfa_msgq_meminfo()), PAGE_SIZE);
+
+ /* DMA memory for retrieving IOC attributes */
+ res_info[BNA_RES_MEM_T_ATTR].res_type = BNA_RES_T_MEM;
+ res_info[BNA_RES_MEM_T_ATTR].res_u.mem_info.mem_type = BNA_MEM_T_DMA;
+ res_info[BNA_RES_MEM_T_ATTR].res_u.mem_info.num = 1;
+ res_info[BNA_RES_MEM_T_ATTR].res_u.mem_info.len =
+ ALIGN(bfa_nw_ioc_meminfo(), PAGE_SIZE);
+
+ /* Virtual memory for retreiving fw_trc */
+ res_info[BNA_RES_MEM_T_FWTRC].res_type = BNA_RES_T_MEM;
+ res_info[BNA_RES_MEM_T_FWTRC].res_u.mem_info.mem_type = BNA_MEM_T_KVA;
+ res_info[BNA_RES_MEM_T_FWTRC].res_u.mem_info.num = 1;
+ res_info[BNA_RES_MEM_T_FWTRC].res_u.mem_info.len = BNA_DBG_FWTRC_LEN;
+
+ /* DMA memory for retreiving stats */
+ res_info[BNA_RES_MEM_T_STATS].res_type = BNA_RES_T_MEM;
+ res_info[BNA_RES_MEM_T_STATS].res_u.mem_info.mem_type = BNA_MEM_T_DMA;
+ res_info[BNA_RES_MEM_T_STATS].res_u.mem_info.num = 1;
+ res_info[BNA_RES_MEM_T_STATS].res_u.mem_info.len =
+ ALIGN(sizeof(struct bfi_enet_stats),
+ PAGE_SIZE);
+}
+
+void
+bna_mod_res_req(struct bna *bna, struct bna_res_info *res_info)
+{
+ struct bna_attr *attr = &bna->ioceth.attr;
+
+ /* Virtual memory for Tx objects - stored by Tx module */
+ res_info[BNA_MOD_RES_MEM_T_TX_ARRAY].res_type = BNA_RES_T_MEM;
+ res_info[BNA_MOD_RES_MEM_T_TX_ARRAY].res_u.mem_info.mem_type =
+ BNA_MEM_T_KVA;
+ res_info[BNA_MOD_RES_MEM_T_TX_ARRAY].res_u.mem_info.num = 1;
+ res_info[BNA_MOD_RES_MEM_T_TX_ARRAY].res_u.mem_info.len =
+ attr->num_txq * sizeof(struct bna_tx);
+
+ /* Virtual memory for TxQ - stored by Tx module */
+ res_info[BNA_MOD_RES_MEM_T_TXQ_ARRAY].res_type = BNA_RES_T_MEM;
+ res_info[BNA_MOD_RES_MEM_T_TXQ_ARRAY].res_u.mem_info.mem_type =
+ BNA_MEM_T_KVA;
+ res_info[BNA_MOD_RES_MEM_T_TXQ_ARRAY].res_u.mem_info.num = 1;
+ res_info[BNA_MOD_RES_MEM_T_TXQ_ARRAY].res_u.mem_info.len =
+ attr->num_txq * sizeof(struct bna_txq);
+
+ /* Virtual memory for Rx objects - stored by Rx module */
+ res_info[BNA_MOD_RES_MEM_T_RX_ARRAY].res_type = BNA_RES_T_MEM;
+ res_info[BNA_MOD_RES_MEM_T_RX_ARRAY].res_u.mem_info.mem_type =
+ BNA_MEM_T_KVA;
+ res_info[BNA_MOD_RES_MEM_T_RX_ARRAY].res_u.mem_info.num = 1;
+ res_info[BNA_MOD_RES_MEM_T_RX_ARRAY].res_u.mem_info.len =
+ attr->num_rxp * sizeof(struct bna_rx);
+
+ /* Virtual memory for RxPath - stored by Rx module */
+ res_info[BNA_MOD_RES_MEM_T_RXP_ARRAY].res_type = BNA_RES_T_MEM;
+ res_info[BNA_MOD_RES_MEM_T_RXP_ARRAY].res_u.mem_info.mem_type =
+ BNA_MEM_T_KVA;
+ res_info[BNA_MOD_RES_MEM_T_RXP_ARRAY].res_u.mem_info.num = 1;
+ res_info[BNA_MOD_RES_MEM_T_RXP_ARRAY].res_u.mem_info.len =
+ attr->num_rxp * sizeof(struct bna_rxp);
+
+ /* Virtual memory for RxQ - stored by Rx module */
+ res_info[BNA_MOD_RES_MEM_T_RXQ_ARRAY].res_type = BNA_RES_T_MEM;
+ res_info[BNA_MOD_RES_MEM_T_RXQ_ARRAY].res_u.mem_info.mem_type =
+ BNA_MEM_T_KVA;
+ res_info[BNA_MOD_RES_MEM_T_RXQ_ARRAY].res_u.mem_info.num = 1;
+ res_info[BNA_MOD_RES_MEM_T_RXQ_ARRAY].res_u.mem_info.len =
+ (attr->num_rxp * 2) * sizeof(struct bna_rxq);
+
+ /* Virtual memory for Unicast MAC address - stored by ucam module */
+ res_info[BNA_MOD_RES_MEM_T_UCMAC_ARRAY].res_type = BNA_RES_T_MEM;
+ res_info[BNA_MOD_RES_MEM_T_UCMAC_ARRAY].res_u.mem_info.mem_type =
+ BNA_MEM_T_KVA;
+ res_info[BNA_MOD_RES_MEM_T_UCMAC_ARRAY].res_u.mem_info.num = 1;
+ res_info[BNA_MOD_RES_MEM_T_UCMAC_ARRAY].res_u.mem_info.len =
+ (attr->num_ucmac * 2) * sizeof(struct bna_mac);
+
+ /* Virtual memory for Multicast MAC address - stored by mcam module */
+ res_info[BNA_MOD_RES_MEM_T_MCMAC_ARRAY].res_type = BNA_RES_T_MEM;
+ res_info[BNA_MOD_RES_MEM_T_MCMAC_ARRAY].res_u.mem_info.mem_type =
+ BNA_MEM_T_KVA;
+ res_info[BNA_MOD_RES_MEM_T_MCMAC_ARRAY].res_u.mem_info.num = 1;
+ res_info[BNA_MOD_RES_MEM_T_MCMAC_ARRAY].res_u.mem_info.len =
+ (attr->num_mcmac * 2) * sizeof(struct bna_mac);
+
+ /* Virtual memory for Multicast handle - stored by mcam module */
+ res_info[BNA_MOD_RES_MEM_T_MCHANDLE_ARRAY].res_type = BNA_RES_T_MEM;
+ res_info[BNA_MOD_RES_MEM_T_MCHANDLE_ARRAY].res_u.mem_info.mem_type =
+ BNA_MEM_T_KVA;
+ res_info[BNA_MOD_RES_MEM_T_MCHANDLE_ARRAY].res_u.mem_info.num = 1;
+ res_info[BNA_MOD_RES_MEM_T_MCHANDLE_ARRAY].res_u.mem_info.len =
+ attr->num_mcmac * sizeof(struct bna_mcam_handle);
+}
+
+void
+bna_init(struct bna *bna, struct bnad *bnad,
+ struct bfa_pcidev *pcidev, struct bna_res_info *res_info)
+{
+ bna->bnad = bnad;
+ bna->pcidev = *pcidev;
+
+ bna->stats.hw_stats_kva = (struct bfi_enet_stats *)
+ res_info[BNA_RES_MEM_T_STATS].res_u.mem_info.mdl[0].kva;
+ bna->stats.hw_stats_dma.msb =
+ res_info[BNA_RES_MEM_T_STATS].res_u.mem_info.mdl[0].dma.msb;
+ bna->stats.hw_stats_dma.lsb =
+ res_info[BNA_RES_MEM_T_STATS].res_u.mem_info.mdl[0].dma.lsb;
+
+ bna_reg_addr_init(bna, &bna->pcidev);
+
+ /* Also initializes diag, cee, sfp, phy_port, msgq */
+ bna_ioceth_init(&bna->ioceth, bna, res_info);
+
+ bna_enet_init(&bna->enet, bna);
+ bna_ethport_init(&bna->ethport, bna);
+}
+
+void
+bna_mod_init(struct bna *bna, struct bna_res_info *res_info)
+{
+ bna_tx_mod_init(&bna->tx_mod, bna, res_info);
+
+ bna_rx_mod_init(&bna->rx_mod, bna, res_info);
+
+ bna_ucam_mod_init(&bna->ucam_mod, bna, res_info);
+
+ bna_mcam_mod_init(&bna->mcam_mod, bna, res_info);
+
+ bna->default_mode_rid = BFI_INVALID_RID;
+ bna->promisc_rid = BFI_INVALID_RID;
+
+ bna->mod_flags |= BNA_MOD_F_INIT_DONE;
+}
+
+void
+bna_uninit(struct bna *bna)
+{
+ if (bna->mod_flags & BNA_MOD_F_INIT_DONE) {
+ bna_mcam_mod_uninit(&bna->mcam_mod);
+ bna_ucam_mod_uninit(&bna->ucam_mod);
+ bna_rx_mod_uninit(&bna->rx_mod);
+ bna_tx_mod_uninit(&bna->tx_mod);
+ bna->mod_flags &= ~BNA_MOD_F_INIT_DONE;
+ }
+
+ bna_stats_mod_uninit(&bna->stats_mod);
+ bna_ethport_uninit(&bna->ethport);
+ bna_enet_uninit(&bna->enet);
+
+ bna_ioceth_uninit(&bna->ioceth);
+
+ bna->bnad = NULL;
+}
+
+int
+bna_num_txq_set(struct bna *bna, int num_txq)
+{
+ if (bna->ioceth.attr.fw_query_complete &&
+ (num_txq <= bna->ioceth.attr.num_txq)) {
+ bna->ioceth.attr.num_txq = num_txq;
+ return BNA_CB_SUCCESS;
+ }
+
+ return BNA_CB_FAIL;
+}
+
+int
+bna_num_rxp_set(struct bna *bna, int num_rxp)
+{
+ if (bna->ioceth.attr.fw_query_complete &&
+ (num_rxp <= bna->ioceth.attr.num_rxp)) {
+ bna->ioceth.attr.num_rxp = num_rxp;
+ return BNA_CB_SUCCESS;
+ }
+
+ return BNA_CB_FAIL;
+}
+
+struct bna_mac *
+bna_cam_mod_mac_get(struct list_head *head)
+{
+ struct list_head *qe;
+
+ if (list_empty(head))
+ return NULL;
+
+ bfa_q_deq(head, &qe);
+ return (struct bna_mac *)qe;
+}
+
+void
+bna_cam_mod_mac_put(struct list_head *tail, struct bna_mac *mac)
+{
+ list_add_tail(&mac->qe, tail);
+}
+
+struct bna_mcam_handle *
+bna_mcam_mod_handle_get(struct bna_mcam_mod *mcam_mod)
+{
+ struct list_head *qe;
+
+ if (list_empty(&mcam_mod->free_handle_q))
+ return NULL;
+
+ bfa_q_deq(&mcam_mod->free_handle_q, &qe);
+
+ return (struct bna_mcam_handle *)qe;
+}
+
+void
+bna_mcam_mod_handle_put(struct bna_mcam_mod *mcam_mod,
+ struct bna_mcam_handle *handle)
+{
+ list_add_tail(&handle->qe, &mcam_mod->free_handle_q);
+}
+
+void
+bna_hw_stats_get(struct bna *bna)
+{
+ if (!bna->stats_mod.ioc_ready) {
+ bnad_cb_stats_get(bna->bnad, BNA_CB_FAIL, &bna->stats);
+ return;
+ }
+ if (bna->stats_mod.stats_get_busy) {
+ bnad_cb_stats_get(bna->bnad, BNA_CB_BUSY, &bna->stats);
+ return;
+ }
+
+ bna_bfi_stats_get(bna);
+}
Code Review / kvmfornfv.git / blobdiff