bna: Tx and Rx Redesign

Change details:
 - This patch contains the changes as a result of redesigning of Tx, Rx data
   path setup. In the old design, setting up Txqs, Rxqs were done in the driver.
   With the new design, most of the hardware setup steps for the Txq, Rxqs are
   moved to FW. Host driver issues commands to FW through the message queue to
   setup/teardown tx, rx data path. FW performs necessary steps and responds
   back to the driver with a status.
 - As a result of this redesign, the state machine implementation for Tx, Rx
   objects have changed significantly. Instead of doing the raw register access,
   these state machines mostly send a command to FW and wait for response and
   take the next action. In addition to tx, rx datapath setup, this patch also
   deals with rx filter configuration - such as unicast address, multicast
   address, vlan filter, promiscuous mode etc.

Signed-off-by: Rasesh Mody <rmody@brocade.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 3787 insertions, 0 deletions

diff --git a/drivers/net/ethernet/brocade/bna/bna_tx_rx.c b/drivers/net/ethernet/brocade/bna/bna_tx_rx.c
new file mode 100644
index 00000000000..92214137ca3
--- /dev/null
+++ b/drivers/net/ethernet/brocade/bna/bna_tx_rx.c
@@ -0,0 +1,3787 @@
+/*
+ * 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) 2005-2011 Brocade Communications Systems, Inc.
+ * All rights reserved
+ * www.brocade.com
+ */
+#include "bna.h"
+#include "bfi.h"
+
+/**
+ * IB
+ */
+static void
+bna_ib_coalescing_timeo_set(struct bna_ib *ib, u8 coalescing_timeo)
+{
+	ib->coalescing_timeo = coalescing_timeo;
+	ib->door_bell.doorbell_ack = BNA_DOORBELL_IB_INT_ACK(
+				(u32)ib->coalescing_timeo, 0);
+}
+
+/**
+ * RXF
+ */
+
+#define bna_rxf_vlan_cfg_soft_reset(rxf)				\
+do {									\
+	(rxf)->vlan_pending_bitmask = (u8)BFI_VLAN_BMASK_ALL;		\
+	(rxf)->vlan_strip_pending = true;				\
+} while (0)
+
+#define bna_rxf_rss_cfg_soft_reset(rxf)					\
+do {									\
+	if ((rxf)->rss_status == BNA_STATUS_T_ENABLED)			\
+		(rxf)->rss_pending = (BNA_RSS_F_RIT_PENDING |		\
+				BNA_RSS_F_CFG_PENDING |			\
+				BNA_RSS_F_STATUS_PENDING);		\
+} while (0)
+
+static int bna_rxf_cfg_apply(struct bna_rxf *rxf);
+static void bna_rxf_cfg_reset(struct bna_rxf *rxf);
+static int bna_rxf_fltr_clear(struct bna_rxf *rxf);
+static int bna_rxf_ucast_cfg_apply(struct bna_rxf *rxf);
+static int bna_rxf_promisc_cfg_apply(struct bna_rxf *rxf);
+static int bna_rxf_allmulti_cfg_apply(struct bna_rxf *rxf);
+static int bna_rxf_vlan_strip_cfg_apply(struct bna_rxf *rxf);
+static int bna_rxf_ucast_cfg_reset(struct bna_rxf *rxf,
+					enum bna_cleanup_type cleanup);
+static int bna_rxf_promisc_cfg_reset(struct bna_rxf *rxf,
+					enum bna_cleanup_type cleanup);
+static int bna_rxf_allmulti_cfg_reset(struct bna_rxf *rxf,
+					enum bna_cleanup_type cleanup);
+
+bfa_fsm_state_decl(bna_rxf, stopped, struct bna_rxf,
+			enum bna_rxf_event);
+bfa_fsm_state_decl(bna_rxf, paused, struct bna_rxf,
+			enum bna_rxf_event);
+bfa_fsm_state_decl(bna_rxf, cfg_wait, struct bna_rxf,
+			enum bna_rxf_event);
+bfa_fsm_state_decl(bna_rxf, started, struct bna_rxf,
+			enum bna_rxf_event);
+bfa_fsm_state_decl(bna_rxf, fltr_clr_wait, struct bna_rxf,
+			enum bna_rxf_event);
+bfa_fsm_state_decl(bna_rxf, last_resp_wait, struct bna_rxf,
+			enum bna_rxf_event);
+
+static void
+bna_rxf_sm_stopped_entry(struct bna_rxf *rxf)
+{
+	call_rxf_stop_cbfn(rxf);
+}
+
+static void
+bna_rxf_sm_stopped(struct bna_rxf *rxf, enum bna_rxf_event event)
+{
+	switch (event) {
+	case RXF_E_START:
+		if (rxf->flags & BNA_RXF_F_PAUSED) {
+			bfa_fsm_set_state(rxf, bna_rxf_sm_paused);
+			call_rxf_start_cbfn(rxf);
+		} else
+			bfa_fsm_set_state(rxf, bna_rxf_sm_cfg_wait);
+		break;
+
+	case RXF_E_STOP:
+		call_rxf_stop_cbfn(rxf);
+		break;
+
+	case RXF_E_FAIL:
+		/* No-op */
+		break;
+
+	case RXF_E_CONFIG:
+		call_rxf_cam_fltr_cbfn(rxf);
+		break;
+
+	case RXF_E_PAUSE:
+		rxf->flags |= BNA_RXF_F_PAUSED;
+		call_rxf_pause_cbfn(rxf);
+		break;
+
+	case RXF_E_RESUME:
+		rxf->flags &= ~BNA_RXF_F_PAUSED;
+		call_rxf_resume_cbfn(rxf);
+		break;
+
+	default:
+		bfa_sm_fault(event);
+	}
+}
+
+static void
+bna_rxf_sm_paused_entry(struct bna_rxf *rxf)
+{
+	call_rxf_pause_cbfn(rxf);
+}
+
+static void
+bna_rxf_sm_paused(struct bna_rxf *rxf, enum bna_rxf_event event)
+{
+	switch (event) {
+	case RXF_E_STOP:
+	case RXF_E_FAIL:
+		bfa_fsm_set_state(rxf, bna_rxf_sm_stopped);
+		break;
+
+	case RXF_E_CONFIG:
+		call_rxf_cam_fltr_cbfn(rxf);
+		break;
+
+	case RXF_E_RESUME:
+		rxf->flags &= ~BNA_RXF_F_PAUSED;
+		bfa_fsm_set_state(rxf, bna_rxf_sm_cfg_wait);
+		break;
+
+	default:
+		bfa_sm_fault(event);
+	}
+}
+
+static void
+bna_rxf_sm_cfg_wait_entry(struct bna_rxf *rxf)
+{
+	if (!bna_rxf_cfg_apply(rxf)) {
+		/* No more pending config updates */
+		bfa_fsm_set_state(rxf, bna_rxf_sm_started);
+	}
+}
+
+static void
+bna_rxf_sm_cfg_wait(struct bna_rxf *rxf, enum bna_rxf_event event)
+{
+	switch (event) {
+	case RXF_E_STOP:
+		bfa_fsm_set_state(rxf, bna_rxf_sm_last_resp_wait);
+		break;
+
+	case RXF_E_FAIL:
+		bna_rxf_cfg_reset(rxf);
+		call_rxf_start_cbfn(rxf);
+		call_rxf_cam_fltr_cbfn(rxf);
+		call_rxf_resume_cbfn(rxf);
+		bfa_fsm_set_state(rxf, bna_rxf_sm_stopped);
+		break;
+
+	case RXF_E_CONFIG:
+		/* No-op */
+		break;
+
+	case RXF_E_PAUSE:
+		rxf->flags |= BNA_RXF_F_PAUSED;
+		call_rxf_start_cbfn(rxf);
+		bfa_fsm_set_state(rxf, bna_rxf_sm_fltr_clr_wait);
+		break;
+
+	case RXF_E_FW_RESP:
+		if (!bna_rxf_cfg_apply(rxf)) {
+			/* No more pending config updates */
+			bfa_fsm_set_state(rxf, bna_rxf_sm_started);
+		}
+		break;
+
+	default:
+		bfa_sm_fault(event);
+	}
+}
+
+static void
+bna_rxf_sm_started_entry(struct bna_rxf *rxf)
+{
+	call_rxf_start_cbfn(rxf);
+	call_rxf_cam_fltr_cbfn(rxf);
+	call_rxf_resume_cbfn(rxf);
+}
+
+static void
+bna_rxf_sm_started(struct bna_rxf *rxf, enum bna_rxf_event event)
+{
+	switch (event) {
+	case RXF_E_STOP:
+	case RXF_E_FAIL:
+		bna_rxf_cfg_reset(rxf);
+		bfa_fsm_set_state(rxf, bna_rxf_sm_stopped);
+		break;
+
+	case RXF_E_CONFIG:
+		bfa_fsm_set_state(rxf, bna_rxf_sm_cfg_wait);
+		break;
+
+	case RXF_E_PAUSE:
+		rxf->flags |= BNA_RXF_F_PAUSED;
+		if (!bna_rxf_fltr_clear(rxf))
+			bfa_fsm_set_state(rxf, bna_rxf_sm_paused);
+		else
+			bfa_fsm_set_state(rxf, bna_rxf_sm_fltr_clr_wait);
+		break;
+
+	default:
+		bfa_sm_fault(event);
+	}
+}
+
+static void
+bna_rxf_sm_fltr_clr_wait_entry(struct bna_rxf *rxf)
+{
+}
+
+static void
+bna_rxf_sm_fltr_clr_wait(struct bna_rxf *rxf, enum bna_rxf_event event)
+{
+	switch (event) {
+	case RXF_E_FAIL:
+		bna_rxf_cfg_reset(rxf);
+		call_rxf_pause_cbfn(rxf);
+		bfa_fsm_set_state(rxf, bna_rxf_sm_stopped);
+		break;
+
+	case RXF_E_FW_RESP:
+		if (!bna_rxf_fltr_clear(rxf)) {
+			/* No more pending CAM entries to clear */
+			bfa_fsm_set_state(rxf, bna_rxf_sm_paused);
+		}
+		break;
+
+	default:
+		bfa_sm_fault(event);
+	}
+}
+
+static void
+bna_rxf_sm_last_resp_wait_entry(struct bna_rxf *rxf)
+{
+}
+
+static void
+bna_rxf_sm_last_resp_wait(struct bna_rxf *rxf, enum bna_rxf_event event)
+{
+	switch (event) {
+	case RXF_E_FAIL:
+	case RXF_E_FW_RESP:
+		bna_rxf_cfg_reset(rxf);
+		bfa_fsm_set_state(rxf, bna_rxf_sm_stopped);
+		break;
+
+	default:
+		bfa_sm_fault(event);
+	}
+}
+
+static void
+bna_bfi_ucast_req(struct bna_rxf *rxf, struct bna_mac *mac,
+		enum bfi_enet_h2i_msgs req_type)
+{
+	struct bfi_enet_ucast_req *req = &rxf->bfi_enet_cmd.ucast_req;
+
+	bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET, req_type, 0, rxf->rx->rid);
+	req->mh.num_entries = htons(
+	bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_ucast_req)));
+	memcpy(&req->mac_addr, &mac->addr, sizeof(mac_t));
+	bfa_msgq_cmd_set(&rxf->msgq_cmd, NULL, NULL,
+		sizeof(struct bfi_enet_ucast_req), &req->mh);
+	bfa_msgq_cmd_post(&rxf->rx->bna->msgq, &rxf->msgq_cmd);
+}
+
+static void
+bna_bfi_mcast_add_req(struct bna_rxf *rxf, struct bna_mac *mac)
+{
+	struct bfi_enet_mcast_add_req *req =
+		&rxf->bfi_enet_cmd.mcast_add_req;
+
+	bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET, BFI_ENET_H2I_MAC_MCAST_ADD_REQ,
+		0, rxf->rx->rid);
+	req->mh.num_entries = htons(
+	bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_mcast_add_req)));
+	memcpy(&req->mac_addr, &mac->addr, sizeof(mac_t));
+	bfa_msgq_cmd_set(&rxf->msgq_cmd, NULL, NULL,
+		sizeof(struct bfi_enet_mcast_add_req), &req->mh);
+	bfa_msgq_cmd_post(&rxf->rx->bna->msgq, &rxf->msgq_cmd);
+}
+
+static void
+bna_bfi_mcast_del_req(struct bna_rxf *rxf, u16 handle)
+{
+	struct bfi_enet_mcast_del_req *req =
+		&rxf->bfi_enet_cmd.mcast_del_req;
+
+	bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET, BFI_ENET_H2I_MAC_MCAST_DEL_REQ,
+		0, rxf->rx->rid);
+	req->mh.num_entries = htons(
+	bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_mcast_del_req)));
+	req->handle = htons(handle);
+	bfa_msgq_cmd_set(&rxf->msgq_cmd, NULL, NULL,
+		sizeof(struct bfi_enet_mcast_del_req), &req->mh);
+	bfa_msgq_cmd_post(&rxf->rx->bna->msgq, &rxf->msgq_cmd);
+}
+
+static void
+bna_bfi_mcast_filter_req(struct bna_rxf *rxf, enum bna_status status)
+{
+	struct bfi_enet_enable_req *req = &rxf->bfi_enet_cmd.req;
+
+	bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET,
+		BFI_ENET_H2I_MAC_MCAST_FILTER_REQ, 0, rxf->rx->rid);
+	req->mh.num_entries = htons(
+		bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_enable_req)));
+	req->enable = status;
+	bfa_msgq_cmd_set(&rxf->msgq_cmd, NULL, NULL,
+		sizeof(struct bfi_enet_enable_req), &req->mh);
+	bfa_msgq_cmd_post(&rxf->rx->bna->msgq, &rxf->msgq_cmd);
+}
+
+static void
+bna_bfi_rx_promisc_req(struct bna_rxf *rxf, enum bna_status status)
+{
+	struct bfi_enet_enable_req *req = &rxf->bfi_enet_cmd.req;
+
+	bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET,
+		BFI_ENET_H2I_RX_PROMISCUOUS_REQ, 0, rxf->rx->rid);
+	req->mh.num_entries = htons(
+		bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_enable_req)));
+	req->enable = status;
+	bfa_msgq_cmd_set(&rxf->msgq_cmd, NULL, NULL,
+		sizeof(struct bfi_enet_enable_req), &req->mh);
+	bfa_msgq_cmd_post(&rxf->rx->bna->msgq, &rxf->msgq_cmd);
+}
+
+static void
+bna_bfi_rx_vlan_filter_set(struct bna_rxf *rxf, u8 block_idx)
+{
+	struct bfi_enet_rx_vlan_req *req = &rxf->bfi_enet_cmd.vlan_req;
+	int i;
+	int j;
+
+	bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET,
+		BFI_ENET_H2I_RX_VLAN_SET_REQ, 0, rxf->rx->rid);
+	req->mh.num_entries = htons(
+		bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_rx_vlan_req)));
+	req->block_idx = block_idx;
+	for (i = 0; i < (BFI_ENET_VLAN_BLOCK_SIZE / 32); i++) {
+		j = (block_idx * (BFI_ENET_VLAN_BLOCK_SIZE / 32)) + i;
+		if (rxf->vlan_filter_status == BNA_STATUS_T_ENABLED)
+			req->bit_mask[i] =
+				htonl(rxf->vlan_filter_table[j]);
+		else
+			req->bit_mask[i] = 0xFFFFFFFF;
+	}
+	bfa_msgq_cmd_set(&rxf->msgq_cmd, NULL, NULL,
+		sizeof(struct bfi_enet_rx_vlan_req), &req->mh);
+	bfa_msgq_cmd_post(&rxf->rx->bna->msgq, &rxf->msgq_cmd);
+}
+
+static void
+bna_bfi_vlan_strip_enable(struct bna_rxf *rxf)
+{
+	struct bfi_enet_enable_req *req = &rxf->bfi_enet_cmd.req;
+
+	bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET,
+		BFI_ENET_H2I_RX_VLAN_STRIP_ENABLE_REQ, 0, rxf->rx->rid);
+	req->mh.num_entries = htons(
+		bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_enable_req)));
+	req->enable = rxf->vlan_strip_status;
+	bfa_msgq_cmd_set(&rxf->msgq_cmd, NULL, NULL,
+		sizeof(struct bfi_enet_enable_req), &req->mh);
+	bfa_msgq_cmd_post(&rxf->rx->bna->msgq, &rxf->msgq_cmd);
+}
+
+static void
+bna_bfi_rit_cfg(struct bna_rxf *rxf)
+{
+	struct bfi_enet_rit_req *req = &rxf->bfi_enet_cmd.rit_req;
+
+	bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET,
+		BFI_ENET_H2I_RIT_CFG_REQ, 0, rxf->rx->rid);
+	req->mh.num_entries = htons(
+		bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_rit_req)));
+	req->size = htons(rxf->rit_size);
+	memcpy(&req->table[0], rxf->rit, rxf->rit_size);
+	bfa_msgq_cmd_set(&rxf->msgq_cmd, NULL, NULL,
+		sizeof(struct bfi_enet_rit_req), &req->mh);
+	bfa_msgq_cmd_post(&rxf->rx->bna->msgq, &rxf->msgq_cmd);
+}
+
+static void
+bna_bfi_rss_cfg(struct bna_rxf *rxf)
+{
+	struct bfi_enet_rss_cfg_req *req = &rxf->bfi_enet_cmd.rss_req;
+	int i;
+
+	bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET,
+		BFI_ENET_H2I_RSS_CFG_REQ, 0, rxf->rx->rid);
+	req->mh.num_entries = htons(
+		bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_rss_cfg_req)));
+	req->cfg.type = rxf->rss_cfg.hash_type;
+	req->cfg.mask = rxf->rss_cfg.hash_mask;
+	for (i = 0; i < BFI_ENET_RSS_KEY_LEN; i++)
+		req->cfg.key[i] =
+			htonl(rxf->rss_cfg.toeplitz_hash_key[i]);
+	bfa_msgq_cmd_set(&rxf->msgq_cmd, NULL, NULL,
+		sizeof(struct bfi_enet_rss_cfg_req), &req->mh);
+	bfa_msgq_cmd_post(&rxf->rx->bna->msgq, &rxf->msgq_cmd);
+}
+
+static void
+bna_bfi_rss_enable(struct bna_rxf *rxf)
+{
+	struct bfi_enet_enable_req *req = &rxf->bfi_enet_cmd.req;
+
+	bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET,
+		BFI_ENET_H2I_RSS_ENABLE_REQ, 0, rxf->rx->rid);
+	req->mh.num_entries = htons(
+		bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_enable_req)));
+	req->enable = rxf->rss_status;
+	bfa_msgq_cmd_set(&rxf->msgq_cmd, NULL, NULL,
+		sizeof(struct bfi_enet_enable_req), &req->mh);
+	bfa_msgq_cmd_post(&rxf->rx->bna->msgq, &rxf->msgq_cmd);
+}
+
+/* This function gets the multicast MAC that has already been added to CAM */
+static struct bna_mac *
+bna_rxf_mcmac_get(struct bna_rxf *rxf, u8 *mac_addr)
+{
+	struct bna_mac *mac;
+	struct list_head *qe;
+
+	list_for_each(qe, &rxf->mcast_active_q) {
+		mac = (struct bna_mac *)qe;
+		if (BNA_MAC_IS_EQUAL(&mac->addr, mac_addr))
+			return mac;
+	}
+
+	list_for_each(qe, &rxf->mcast_pending_del_q) {
+		mac = (struct bna_mac *)qe;
+		if (BNA_MAC_IS_EQUAL(&mac->addr, mac_addr))
+			return mac;
+	}
+
+	return NULL;
+}
+
+static struct bna_mcam_handle *
+bna_rxf_mchandle_get(struct bna_rxf *rxf, int handle)
+{
+	struct bna_mcam_handle *mchandle;
+	struct list_head *qe;
+
+	list_for_each(qe, &rxf->mcast_handle_q) {
+		mchandle = (struct bna_mcam_handle *)qe;
+		if (mchandle->handle == handle)
+			return mchandle;
+	}
+
+	return NULL;
+}
+
+static void
+bna_rxf_mchandle_attach(struct bna_rxf *rxf, u8 *mac_addr, int handle)
+{
+	struct bna_mac *mcmac;
+	struct bna_mcam_handle *mchandle;
+
+	mcmac = bna_rxf_mcmac_get(rxf, mac_addr);
+	mchandle = bna_rxf_mchandle_get(rxf, handle);
+	if (mchandle == NULL) {
+		mchandle = bna_mcam_mod_handle_get(&rxf->rx->bna->mcam_mod);
+		mchandle->handle = handle;
+		mchandle->refcnt = 0;
+		list_add_tail(&mchandle->qe, &rxf->mcast_handle_q);
+	}
+	mchandle->refcnt++;
+	mcmac->handle = mchandle;
+}
+
+static int
+bna_rxf_mcast_del(struct bna_rxf *rxf, struct bna_mac *mac,
+		enum bna_cleanup_type cleanup)
+{
+	struct bna_mcam_handle *mchandle;
+	int ret = 0;
+
+	mchandle = mac->handle;
+	if (mchandle == NULL)
+		return ret;
+
+	mchandle->refcnt--;
+	if (mchandle->refcnt == 0) {
+		if (cleanup == BNA_HARD_CLEANUP) {
+			bna_bfi_mcast_del_req(rxf, mchandle->handle);
+			ret = 1;
+		}
+		list_del(&mchandle->qe);
+		bfa_q_qe_init(&mchandle->qe);
+		bna_mcam_mod_handle_put(&rxf->rx->bna->mcam_mod, mchandle);
+	}
+	mac->handle = NULL;
+
+	return ret;
+}
+
+static int
+bna_rxf_mcast_cfg_apply(struct bna_rxf *rxf)
+{
+	struct bna_mac *mac = NULL;
+	struct list_head *qe;
+	int ret;
+
+	/* Delete multicast entries previousely added */
+	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;
+		ret = bna_rxf_mcast_del(rxf, mac, BNA_HARD_CLEANUP);
+		bna_mcam_mod_mac_put(&rxf->rx->bna->mcam_mod, mac);
+		if (ret)
+			return ret;
+	}
+
+	/* 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;
+		list_add_tail(&mac->qe, &rxf->mcast_active_q);
+		bna_bfi_mcast_add_req(rxf, mac);
+		return 1;
+	}
+
+	return 0;
+}
+
+static int
+bna_rxf_vlan_cfg_apply(struct bna_rxf *rxf)
+{
+	u8 vlan_pending_bitmask;
+	int block_idx = 0;
+
+	if (rxf->vlan_pending_bitmask) {
+		vlan_pending_bitmask = rxf->vlan_pending_bitmask;
+		while (!(vlan_pending_bitmask & 0x1)) {
+			block_idx++;
+			vlan_pending_bitmask >>= 1;
+		}
+		rxf->vlan_pending_bitmask &= ~(1 << block_idx);
+		bna_bfi_rx_vlan_filter_set(rxf, block_idx);
+		return 1;
+	}
+
+	return 0;
+}
+
+static int
+bna_rxf_mcast_cfg_reset(struct bna_rxf *rxf, enum bna_cleanup_type cleanup)
+{
+	struct list_head *qe;
+	struct bna_mac *mac;
+	int ret;
+
+	/* 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;
+		ret = bna_rxf_mcast_del(rxf, mac, cleanup);
+		bna_mcam_mod_mac_put(&rxf->rx->bna->mcam_mod, mac);
+		if (ret)
+			return ret;
+	}
+
+	/* 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);
+		mac = (struct bna_mac *)qe;
+		if (bna_rxf_mcast_del(rxf, mac, cleanup))
+			return 1;
+	}
+
+	return 0;
+}
+
+static int
+bna_rxf_rss_cfg_apply(struct bna_rxf *rxf)
+{
+	if (rxf->rss_pending) {
+		if (rxf->rss_pending & BNA_RSS_F_RIT_PENDING) {
+			rxf->rss_pending &= ~BNA_RSS_F_RIT_PENDING;
+			bna_bfi_rit_cfg(rxf);
+			return 1;
+		}
+
+		if (rxf->rss_pending & BNA_RSS_F_CFG_PENDING) {
+			rxf->rss_pending &= ~BNA_RSS_F_CFG_PENDING;
+			bna_bfi_rss_cfg(rxf);
+			return 1;
+		}
+
+		if (rxf->rss_pending & BNA_RSS_F_STATUS_PENDING) {
+			rxf->rss_pending &= ~BNA_RSS_F_STATUS_PENDING;
+			bna_bfi_rss_enable(rxf);
+			return 1;
+		}
+	}
+
+	return 0;
+}
+
+static int
+bna_rxf_cfg_apply(struct bna_rxf *rxf)
+{
+	if (bna_rxf_ucast_cfg_apply(rxf))
+		return 1;
+
+	if (bna_rxf_mcast_cfg_apply(rxf))
+		return 1;
+
+	if (bna_rxf_promisc_cfg_apply(rxf))
+		return 1;
+
+	if (bna_rxf_allmulti_cfg_apply(rxf))
+		return 1;
+
+	if (bna_rxf_vlan_cfg_apply(rxf))
+		return 1;
+
+	if (bna_rxf_vlan_strip_cfg_apply(rxf))
+		return 1;
+
+	if (bna_rxf_rss_cfg_apply(rxf))
+		return 1;
+
+	return 0;
+}
+
+/* Only software reset */
+static int
+bna_rxf_fltr_clear(struct bna_rxf *rxf)
+{
+	if (bna_rxf_ucast_cfg_reset(rxf, BNA_HARD_CLEANUP))
+		return 1;
+
+	if (bna_rxf_mcast_cfg_reset(rxf, BNA_HARD_CLEANUP))
+		return 1;
+
+	if (bna_rxf_promisc_cfg_reset(rxf, BNA_HARD_CLEANUP))
+		return 1;
+
+	if (bna_rxf_allmulti_cfg_reset(rxf, BNA_HARD_CLEANUP))
+		return 1;
+
+	return 0;
+}
+
+static void
+bna_rxf_cfg_reset(struct bna_rxf *rxf)
+{
+	bna_rxf_ucast_cfg_reset(rxf, BNA_SOFT_CLEANUP);
+	bna_rxf_mcast_cfg_reset(rxf, BNA_SOFT_CLEANUP);
+	bna_rxf_promisc_cfg_reset(rxf, BNA_SOFT_CLEANUP);
+	bna_rxf_allmulti_cfg_reset(rxf, BNA_SOFT_CLEANUP);
+	bna_rxf_vlan_cfg_soft_reset(rxf);
+	bna_rxf_rss_cfg_soft_reset(rxf);
+}
+
+static void
+bna_rit_init(struct bna_rxf *rxf, int rit_size)
+{
+	struct bna_rx *rx = rxf->rx;
+	struct bna_rxp *rxp;
+	struct list_head *qe;
+	int offset = 0;
+
+	rxf->rit_size = rit_size;
+	list_for_each(qe, &rx->rxp_q) {
+		rxp = (struct bna_rxp *)qe;
+		rxf->rit[offset] = rxp->cq.ccb->id;
+		offset++;
+	}
+
+}
+
+void
+bna_bfi_rxf_cfg_rsp(struct bna_rxf *rxf, struct bfi_msgq_mhdr *msghdr)
+{
+	bfa_fsm_send_event(rxf, RXF_E_FW_RESP);
+}
+
+void
+bna_bfi_rxf_mcast_add_rsp(struct bna_rxf *rxf,
+			struct bfi_msgq_mhdr *msghdr)
+{
+	struct bfi_enet_mcast_add_req *req =
+		&rxf->bfi_enet_cmd.mcast_add_req;
+	struct bfi_enet_mcast_add_rsp *rsp =
+		(struct bfi_enet_mcast_add_rsp *)msghdr;
+
+	bna_rxf_mchandle_attach(rxf, (u8 *)&req->mac_addr,
+		ntohs(rsp->handle));
+	bfa_fsm_send_event(rxf, RXF_E_FW_RESP);
+}
+
+static void
+bna_rxf_init(struct bna_rxf *rxf,
+		struct bna_rx *rx,
+		struct bna_rx_config *q_config,
+		struct bna_res_info *res_info)
+{
+	rxf->rx = rx;
+
+	INIT_LIST_HEAD(&rxf->ucast_pending_add_q);
+	INIT_LIST_HEAD(&rxf->ucast_pending_del_q);
+	rxf->ucast_pending_set = 0;
+	rxf->ucast_active_set = 0;
+	INIT_LIST_HEAD(&rxf->ucast_active_q);
+	rxf->ucast_pending_mac = NULL;
+
+	INIT_LIST_HEAD(&rxf->mcast_pending_add_q);
+	INIT_LIST_HEAD(&rxf->mcast_pending_del_q);
+	INIT_LIST_HEAD(&rxf->mcast_active_q);
+	INIT_LIST_HEAD(&rxf->mcast_handle_q);
+
+	if (q_config->paused)
+		rxf->flags |= BNA_RXF_F_PAUSED;
+
+	rxf->rit = (u8 *)
+		res_info[BNA_RX_RES_MEM_T_RIT].res_u.mem_info.mdl[0].kva;
+	bna_rit_init(rxf, q_config->num_paths);
+
+	rxf->rss_status = q_config->rss_status;
+	if (rxf->rss_status == BNA_STATUS_T_ENABLED) {
+		rxf->rss_cfg = q_config->rss_config;
+		rxf->rss_pending |= BNA_RSS_F_CFG_PENDING;
+		rxf->rss_pending |= BNA_RSS_F_RIT_PENDING;
+		rxf->rss_pending |= BNA_RSS_F_STATUS_PENDING;
+	}
+
+	rxf->vlan_filter_status = BNA_STATUS_T_DISABLED;
+	memset(rxf->vlan_filter_table, 0,
+			(sizeof(u32) * (BFI_ENET_VLAN_ID_MAX / 32)));
+	rxf->vlan_filter_table[0] |= 1; /* for pure priority tagged frames */
+	rxf->vlan_pending_bitmask = (u8)BFI_VLAN_BMASK_ALL;
+
+	rxf->vlan_strip_status = q_config->vlan_strip_status;
+
+	bfa_fsm_set_state(rxf, bna_rxf_sm_stopped);
+}
+
+static void
+bna_rxf_uninit(struct bna_rxf *rxf)
+{
+	struct bna_mac *mac;
+
+	rxf->ucast_pending_set = 0;
+	rxf->ucast_active_set = 0;
+
+	while (!list_empty(&rxf->ucast_pending_add_q)) {
+		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_pending_mac) {
+		bfa_q_qe_init(&rxf->ucast_pending_mac->qe);
+		bna_ucam_mod_mac_put(&rxf->rx->bna->ucam_mod,
+			rxf->ucast_pending_mac);
+		rxf->ucast_pending_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);
+	}
+
+	rxf->rxmode_pending = 0;
+	rxf->rxmode_pending_bitmask = 0;
+	if (rxf->rx->bna->promisc_rid == rxf->rx->rid)
+		rxf->rx->bna->promisc_rid = BFI_INVALID_RID;
+	if (rxf->rx->bna->default_mode_rid == rxf->rx->rid)
+		rxf->rx->bna->default_mode_rid = BFI_INVALID_RID;
+
+	rxf->rss_pending = 0;
+	rxf->vlan_strip_pending = false;
+
+	rxf->flags = 0;
+
+	rxf->rx = NULL;
+}
+
+static void
+bna_rx_cb_rxf_started(struct bna_rx *rx)
+{
+	bfa_fsm_send_event(rx, RX_E_RXF_STARTED);
+}
+
+static void
+bna_rxf_start(struct bna_rxf *rxf)
+{
+	rxf->start_cbfn = bna_rx_cb_rxf_started;
+	rxf->start_cbarg = rxf->rx;
+	bfa_fsm_send_event(rxf, RXF_E_START);
+}
+
+static void
+bna_rx_cb_rxf_stopped(struct bna_rx *rx)
+{
+	bfa_fsm_send_event(rx, RX_E_RXF_STOPPED);
+}
+
+static void
+bna_rxf_stop(struct bna_rxf *rxf)
+{
+	rxf->stop_cbfn = bna_rx_cb_rxf_stopped;
+	rxf->stop_cbarg = rxf->rx;
+	bfa_fsm_send_event(rxf, RXF_E_STOP);
+}
+
+static void
+bna_rxf_fail(struct bna_rxf *rxf)
+{
+	bfa_fsm_send_event(rxf, RXF_E_FAIL);
+}
+
+enum bna_cb_status
+bna_rx_ucast_set(struct bna_rx *rx, u8 *ucmac,
+		 void (*cbfn)(struct bnad *, struct bna_rx *))
+{
+	struct bna_rxf *rxf = &rx->rxf;
+
+	if (rxf->ucast_pending_mac == NULL) {
+		rxf->ucast_pending_mac =
+				bna_ucam_mod_mac_get(&rxf->rx->bna->ucam_mod);
+		if (rxf->ucast_pending_mac == NULL)
+			return BNA_CB_UCAST_CAM_FULL;
+		bfa_q_qe_init(&rxf->ucast_pending_mac->qe);
+	}
+
+	memcpy(rxf->ucast_pending_mac->addr, ucmac, ETH_ALEN);
+	rxf->ucast_pending_set = 1;
+	rxf->cam_fltr_cbfn = cbfn;
+	rxf->cam_fltr_cbarg = rx->bna->bnad;
+
+	bfa_fsm_send_event(rxf, RXF_E_CONFIG);
+
+	return BNA_CB_SUCCESS;
+}
+
+enum bna_cb_status
+bna_rx_mcast_add(struct bna_rx *rx, u8 *addr,
+		 void (*cbfn)(struct bnad *, struct bna_rx *))
+{
+	struct bna_rxf *rxf = &rx->rxf;
+	struct bna_mac *mac;
+
+	/* Check if already added or pending addition */
+	if (bna_mac_find(&rxf->mcast_active_q, addr) ||
+		bna_mac_find(&rxf->mcast_pending_add_q, addr)) {
+		if (cbfn)
+			cbfn(rx->bna->bnad, rx);
+		return BNA_CB_SUCCESS;
+	}
+
+	mac = bna_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_CONFIG);
+
+	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 *))
+{
+	struct bna_rxf *rxf = &rx->rxf;
+	struct list_head list_head;
+	struct list_head *qe;
+	u8 *mcaddr;
+	struct bna_mac *mac;
+	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;
+	}
+
+	/* Purge the pending_add_q */
+	while (!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;
+		bna_mcam_mod_mac_put(&rxf->rx->bna->mcam_mod, mac);
+	}
+
+	/* Schedule active_q entries for deletion */
+	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);
+		list_add_tail(&mac->qe, &rxf->mcast_pending_del_q);
+	}
+
+	/* Add the new entries */
+	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);
+	}
+
+	rxf->cam_fltr_cbfn = cbfn;
+	rxf->cam_fltr_cbarg = rx->bna->bnad;
+	bfa_fsm_send_event(rxf, RXF_E_CONFIG);
+
+	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 >> BFI_VLAN_WORD_SHIFT);
+	int bit = (1 << (vlan_id & BFI_VLAN_WORD_MASK));
+	int group_id = (vlan_id >> BFI_VLAN_BLOCK_SHIFT);
+
+	rxf->vlan_filter_table[index] |= bit;
+	if (rxf->vlan_filter_status == BNA_STATUS_T_ENABLED) {
+		rxf->vlan_pending_bitmask |= (1 << group_id);
+		bfa_fsm_send_event(rxf, RXF_E_CONFIG);
+	}
+}
+
+void
+bna_rx_vlan_del(struct bna_rx *rx, int vlan_id)
+{
+	struct bna_rxf *rxf = &rx->rxf;
+	int index = (vlan_id >> BFI_VLAN_WORD_SHIFT);
+	int bit = (1 << (vlan_id & BFI_VLAN_WORD_MASK));
+	int group_id = (vlan_id >> BFI_VLAN_BLOCK_SHIFT);
+
+	rxf->vlan_filter_table[index] &= ~bit;
+	if (rxf->vlan_filter_status == BNA_STATUS_T_ENABLED) {
+		rxf->vlan_pending_bitmask |= (1 << group_id);
+		bfa_fsm_send_event(rxf, RXF_E_CONFIG);
+	}
+}
+
+static int
+bna_rxf_ucast_cfg_apply(struct bna_rxf *rxf)
+{
+	struct bna_mac *mac = NULL;
+	struct list_head *qe;
+
+	/* Delete MAC addresses previousely added */
+	if (!list_empty(&rxf->ucast_pending_del_q)) {
+		bfa_q_deq(&rxf->ucast_pending_del_q, &qe);
+		bfa_q_qe_init(qe);
+		mac = (struct bna_mac *)qe;
+		bna_bfi_ucast_req(rxf, mac, BFI_ENET_H2I_MAC_UCAST_DEL_REQ);
+		bna_ucam_mod_mac_put(&rxf->rx->bna->ucam_mod, mac);
+		return 1;
+	}
+
+	/* Set default unicast MAC */
+	if (rxf->ucast_pending_set) {
+		rxf->ucast_pending_set = 0;
+		memcpy(rxf->ucast_active_mac.addr,
+			rxf->ucast_pending_mac->addr, ETH_ALEN);
+		rxf->ucast_active_set = 1;
+		bna_bfi_ucast_req(rxf, &rxf->ucast_active_mac,
+			BFI_ENET_H2I_MAC_UCAST_SET_REQ);
+		return 1;
+	}
+
+	/* Add additional MAC entries */
+	if (!list_empty(&rxf->ucast_pending_add_q)) {
+		bfa_q_deq(&rxf->ucast_pending_add_q, &qe);
+		bfa_q_qe_init(qe);
+		mac = (struct bna_mac *)qe;
+		list_add_tail(&mac->qe, &rxf->ucast_active_q);
+		bna_bfi_ucast_req(rxf, mac, BFI_ENET_H2I_MAC_UCAST_ADD_REQ);
+		return 1;
+	}
+
+	return 0;
+}
+
+static int
+bna_rxf_ucast_cfg_reset(struct bna_rxf *rxf, enum bna_cleanup_type cleanup)
+{
+	struct list_head *qe;
+	struct bna_mac *mac;
+
+	/* Throw away delete pending ucast entries */
+	while (!list_empty(&rxf->ucast_pending_del_q)) {
+		bfa_q_deq(&rxf->ucast_pending_del_q, &qe);
+		bfa_q_qe_init(qe);
+		mac = (struct bna_mac *)qe;
+		if (cleanup == BNA_SOFT_CLEANUP)
+			bna_ucam_mod_mac_put(&rxf->rx->bna->ucam_mod, mac);
+		else {
+			bna_bfi_ucast_req(rxf, mac,
+				BFI_ENET_H2I_MAC_UCAST_DEL_REQ);
+			bna_ucam_mod_mac_put(&rxf->rx->bna->ucam_mod, mac);
+			return 1;
+		}
+	}
+
+	/* Move active ucast entries to pending_add_q */
+	while (!list_empty(&rxf->ucast_active_q)) {
+		bfa_q_deq(&rxf->ucast_active_q, &qe);
+		bfa_q_qe_init(qe);
+		list_add_tail(qe, &rxf->ucast_pending_add_q);
+		if (cleanup == BNA_HARD_CLEANUP) {
+			mac = (struct bna_mac *)qe;
+			bna_bfi_ucast_req(rxf, mac,
+				BFI_ENET_H2I_MAC_UCAST_DEL_REQ);
+			return 1;
+		}
+	}
+
+	if (rxf->ucast_active_set) {
+		rxf->ucast_pending_set = 1;
+		rxf->ucast_active_set = 0;
+		if (cleanup == BNA_HARD_CLEANUP) {
+			bna_bfi_ucast_req(rxf, &rxf->ucast_active_mac,
+				BFI_ENET_H2I_MAC_UCAST_CLR_REQ);
+			return 1;
+		}
+	}
+
+	return 0;
+}
+
+static int
+bna_rxf_promisc_cfg_apply(struct bna_rxf *rxf)
+{
+	struct bna *bna = rxf->rx->bna;
+
+	/* Enable/disable promiscuous mode */
+	if (is_promisc_enable(rxf->rxmode_pending,
+				rxf->rxmode_pending_bitmask)) {
+		/* move promisc configuration from pending -> active */
+		promisc_inactive(rxf->rxmode_pending,
+				rxf->rxmode_pending_bitmask);
+		rxf->rxmode_active |= BNA_RXMODE_PROMISC;
+		bna_bfi_rx_promisc_req(rxf, BNA_STATUS_T_ENABLED);
+		return 1;
+	} else if (is_promisc_disable(rxf->rxmode_pending,
+				rxf->rxmode_pending_bitmask)) {
+		/* move promisc configuration from pending -> active */
+		promisc_inactive(rxf->rxmode_pending,
+				rxf->rxmode_pending_bitmask);
+		rxf->rxmode_active &= ~BNA_RXMODE_PROMISC;
+		bna->promisc_rid = BFI_INVALID_RID;
+		bna_bfi_rx_promisc_req(rxf, BNA_STATUS_T_DISABLED);
+		return 1;
+	}
+
+	return 0;
+}
+
+static int
+bna_rxf_promisc_cfg_reset(struct bna_rxf *rxf, enum bna_cleanup_type cleanup)
+{
+	struct bna *bna = rxf->rx->bna;
+
+	/* Clear pending promisc mode disable */
+	if (is_promisc_disable(rxf->rxmode_pending,
+				rxf->rxmode_pending_bitmask)) {
+		promisc_inactive(rxf->rxmode_pending,
+				rxf->rxmode_pending_bitmask);
+		rxf->rxmode_active &= ~BNA_RXMODE_PROMISC;
+		bna->promisc_rid = BFI_INVALID_RID;
+		if (cleanup == BNA_HARD_CLEANUP) {
+			bna_bfi_rx_promisc_req(rxf, BNA_STATUS_T_DISABLED);
+			return 1;
+		}
+	}
+
+	/* Move promisc mode config from active -> pending */
+	if (rxf->rxmode_active & BNA_RXMODE_PROMISC) {
+		promisc_enable(rxf->rxmode_pending,
+				rxf->rxmode_pending_bitmask);
+		rxf->rxmode_active &= ~BNA_RXMODE_PROMISC;
+		if (cleanup == BNA_HARD_CLEANUP) {
+			bna_bfi_rx_promisc_req(rxf, BNA_STATUS_T_DISABLED);
+			return 1;
+		}
+	}
+
+	return 0;
+}
+
+static int
+bna_rxf_allmulti_cfg_apply(struct bna_rxf *rxf)
+{
+	/* Enable/disable allmulti mode */
+	if (is_allmulti_enable(rxf->rxmode_pending,
+				rxf->rxmode_pending_bitmask)) {
+		/* move allmulti configuration from pending -> active */
+		allmulti_inactive(rxf->rxmode_pending,
+				rxf->rxmode_pending_bitmask);
+		rxf->rxmode_active |= BNA_RXMODE_ALLMULTI;
+		bna_bfi_mcast_filter_req(rxf, BNA_STATUS_T_DISABLED);