-/*
+/* SPDX-License-Identifier: BSD-3-Clause
* Copyright (c) 2013-2015 Brocade Communications Systems, Inc.
- *
- * Copyright (c) 2015 QLogic Corporation.
+ * Copyright (c) 2015-2018 Cavium Inc.
* All rights reserved.
- * www.qlogic.com
- *
- * See LICENSE.bnx2x_pmd for copyright and licensing details.
+ * www.cavium.com
*/
#include "bnx2x.h"
/* Initiliaze header of the first tlv and clear mailbox*/
static void
-bnx2x_init_first_tlv(struct bnx2x_softc *sc, struct vf_first_tlv *first_tlv,
- uint16_t type, uint16_t length)
+bnx2x_vf_prep(struct bnx2x_softc *sc, struct vf_first_tlv *first_tlv,
+ uint16_t type, uint16_t length)
{
struct bnx2x_vf_mbx_msg *mbox = sc->vf2pf_mbox;
+
+ rte_spinlock_lock(&sc->vf2pf_lock);
+
PMD_DRV_LOG(DEBUG, "Preparing %d tlv for sending", type);
memset(mbox, 0, sizeof(struct bnx2x_vf_mbx_msg));
first_tlv->reply_offset = sizeof(mbox->query);
}
+/* releases the mailbox */
+static void
+bnx2x_vf_finalize(struct bnx2x_softc *sc,
+ __rte_unused struct vf_first_tlv *first_tlv)
+{
+ PMD_DRV_LOG(DEBUG, "done sending [%d] tlv over vf pf channel",
+ first_tlv->tl.type);
+
+ rte_spinlock_unlock(&sc->vf2pf_lock);
+}
+
#define BNX2X_VF_CMD_ADDR_LO PXP_VF_ADDR_CSDM_GLOBAL_START
#define BNX2X_VF_CMD_ADDR_HI BNX2X_VF_CMD_ADDR_LO + 4
#define BNX2X_VF_CMD_TRIGGER BNX2X_VF_CMD_ADDR_HI + 4
#define BNX2X_VF_CHANNEL_TRIES 100
static int
-bnx2x_do_req4pf(struct bnx2x_softc *sc, phys_addr_t phys_addr)
+bnx2x_do_req4pf(struct bnx2x_softc *sc, rte_iova_t phys_addr)
{
uint8_t *status = &sc->vf2pf_mbox->resp.common_reply.status;
uint8_t i;
- if (!*status) {
- bnx2x_check_bull(sc);
- if (sc->old_bulletin.valid_bitmap & (1 << CHANNEL_DOWN)) {
- PMD_DRV_LOG(ERR, "channel is down. Aborting message sending");
- *status = BNX2X_VF_STATUS_SUCCESS;
- return 0;
- }
+ if (*status) {
+ PMD_DRV_LOG(ERR, "status should be zero before message"
+ " to pf was sent");
+ return -EINVAL;
+ }
- REG_WR(sc, BNX2X_VF_CMD_ADDR_LO, U64_LO(phys_addr));
- REG_WR(sc, BNX2X_VF_CMD_ADDR_HI, U64_HI(phys_addr));
+ bnx2x_check_bull(sc);
+ if (sc->old_bulletin.valid_bitmap & (1 << CHANNEL_DOWN)) {
+ PMD_DRV_LOG(ERR, "channel is down. Aborting message sending");
+ return -EINVAL;
+ }
- /* memory barrier to ensure that FW can read phys_addr */
- wmb();
+ REG_WR(sc, BNX2X_VF_CMD_ADDR_LO, U64_LO(phys_addr));
+ REG_WR(sc, BNX2X_VF_CMD_ADDR_HI, U64_HI(phys_addr));
- REG_WR8(sc, BNX2X_VF_CMD_TRIGGER, 1);
+ /* memory barrier to ensure that FW can read phys_addr */
+ wmb();
- /* Do several attempts until PF completes
- * "." is used to show progress
- */
- for (i = 0; i < BNX2X_VF_CHANNEL_TRIES; i++) {
- DELAY_MS(BNX2X_VF_CHANNEL_DELAY);
- if (*status)
- break;
- }
+ REG_WR8(sc, BNX2X_VF_CMD_TRIGGER, 1);
- if (!*status) {
- PMD_DRV_LOG(ERR, "Response from PF timed out");
- return -EAGAIN;
- }
- } else {
- PMD_DRV_LOG(ERR, "status should be zero before message"
- "to pf was sent");
- return -EINVAL;
+ /* Do several attempts until PF completes */
+ for (i = 0; i < BNX2X_VF_CHANNEL_TRIES; i++) {
+ DELAY_MS(BNX2X_VF_CHANNEL_DELAY);
+ if (*status)
+ break;
+ }
+
+ if (!*status) {
+ PMD_DRV_LOG(ERR, "Response from PF timed out");
+ return -EAGAIN;
}
PMD_DRV_LOG(DEBUG, "Response from PF was received");
#define BNX2X_VF_OBTAIN_MAC_FILTERS 1
#define BNX2X_VF_OBTAIN_MC_FILTERS 10
-struct bnx2x_obtain_status {
- int success;
- int err_code;
-};
-
static
-struct bnx2x_obtain_status bnx2x_loop_obtain_resources(struct bnx2x_softc *sc)
+int bnx2x_loop_obtain_resources(struct bnx2x_softc *sc)
{
- int tries = 0;
struct vf_acquire_resp_tlv *resp = &sc->vf2pf_mbox->resp.acquire_resp,
- *sc_resp = &sc->acquire_resp;
- struct vf_resource_query *res_query;
- struct vf_resc *resc;
- struct bnx2x_obtain_status status;
+ *sc_resp = &sc->acquire_resp;
+ struct vf_resource_query *res_query;
+ struct vf_resc *resc;
int res_obtained = false;
+ int tries = 0;
+ int rc;
do {
PMD_DRV_LOG(DEBUG, "trying to get resources");
- if (bnx2x_do_req4pf(sc, sc->vf2pf_mbox_mapping.paddr)) {
- /* timeout */
- status.success = 0;
- status.err_code = -EAGAIN;
- return status;
- }
+ rc = bnx2x_do_req4pf(sc, sc->vf2pf_mbox_mapping.paddr);
+ if (rc)
+ return rc;
memcpy(sc_resp, resp, sizeof(sc->acquire_resp));
PMD_DRV_LOG(DEBUG, "resources obtained successfully");
res_obtained = true;
} else if (sc_resp->status == BNX2X_VF_STATUS_NO_RESOURCES &&
- tries < BNX2X_VF_OBTAIN_MAX_TRIES) {
+ tries < BNX2X_VF_OBTAIN_MAX_TRIES) {
PMD_DRV_LOG(DEBUG,
"PF cannot allocate requested amount of resources");
res_query = &sc->vf2pf_mbox->query[0].acquire.res_query;
- resc = &sc_resp->resc;
+ resc = &sc_resp->resc;
/* PF refused our request. Try to decrease request params */
res_query->num_txqs = min(res_query->num_txqs, resc->num_txqs);
memset(&sc->vf2pf_mbox->resp, 0, sizeof(union resp_tlvs));
} else {
- PMD_DRV_LOG(ERR, "Resources cannot be obtained. Status of handling: %d. Aborting",
- sc_resp->status);
- status.success = 0;
- status.err_code = -EAGAIN;
- return status;
+ PMD_DRV_LOG(ERR, "Failed to get the requested "
+ "amount of resources: %d.",
+ sc_resp->status);
+ return -EINVAL;
}
} while (!res_obtained);
- status.success = 1;
- return status;
+ return 0;
}
int bnx2x_vf_get_resources(struct bnx2x_softc *sc, uint8_t tx_count, uint8_t rx_count)
{
struct vf_acquire_tlv *acq = &sc->vf2pf_mbox->query[0].acquire;
int vf_id;
- struct bnx2x_obtain_status obtain_status;
+ int rc;
bnx2x_vf_close(sc);
- bnx2x_init_first_tlv(sc, &acq->first_tlv, BNX2X_VF_TLV_ACQUIRE, sizeof(*acq));
+ bnx2x_vf_prep(sc, &acq->first_tlv, BNX2X_VF_TLV_ACQUIRE, sizeof(*acq));
vf_id = bnx2x_read_vf_id(sc);
- if (vf_id < 0)
- return -EAGAIN;
+ if (vf_id < 0) {
+ rc = -EAGAIN;
+ goto out;
+ }
acq->vf_id = vf_id;
sizeof(struct channel_list_end_tlv));
/* requesting the resources in loop */
- obtain_status = bnx2x_loop_obtain_resources(sc);
- if (!obtain_status.success)
- return obtain_status.err_code;
+ rc = bnx2x_loop_obtain_resources(sc);
+ if (rc)
+ goto out;
struct vf_acquire_resp_tlv sc_resp = sc->acquire_resp;
else
eth_random_addr(sc->link_params.mac_addr);
- return 0;
+out:
+ bnx2x_vf_finalize(sc, &acq->first_tlv);
+
+ return rc;
}
/* Ask PF to release VF's resources */
struct vf_release_tlv *query;
struct vf_common_reply_tlv *reply = &sc->vf2pf_mbox->resp.common_reply;
int vf_id = bnx2x_read_vf_id(sc);
+ int rc;
if (vf_id >= 0) {
query = &sc->vf2pf_mbox->query[0].release;
- bnx2x_init_first_tlv(sc, &query->first_tlv, BNX2X_VF_TLV_RELEASE,
- sizeof(*query));
+ bnx2x_vf_prep(sc, &query->first_tlv, BNX2X_VF_TLV_RELEASE,
+ sizeof(*query));
query->vf_id = vf_id;
bnx2x_add_tlv(sc, query, query->first_tlv.tl.length,
BNX2X_VF_TLV_LIST_END,
sizeof(struct channel_list_end_tlv));
- bnx2x_do_req4pf(sc, sc->vf2pf_mbox_mapping.paddr);
- if (reply->status != BNX2X_VF_STATUS_SUCCESS)
+ rc = bnx2x_do_req4pf(sc, sc->vf2pf_mbox_mapping.paddr);
+ if (rc || reply->status != BNX2X_VF_STATUS_SUCCESS)
PMD_DRV_LOG(ERR, "Failed to release VF");
+
+ bnx2x_vf_finalize(sc, &query->first_tlv);
}
}
{
struct vf_init_tlv *query;
struct vf_common_reply_tlv *reply = &sc->vf2pf_mbox->resp.common_reply;
- int i;
+ int i, rc;
query = &sc->vf2pf_mbox->query[0].init;
- bnx2x_init_first_tlv(sc, &query->first_tlv, BNX2X_VF_TLV_INIT,
- sizeof(*query));
+ bnx2x_vf_prep(sc, &query->first_tlv, BNX2X_VF_TLV_INIT,
+ sizeof(*query));
FOR_EACH_QUEUE(sc, i) {
query->sb_addr[i] = (unsigned long)(sc->fp[i].sb_dma.paddr);
BNX2X_VF_TLV_LIST_END,
sizeof(struct channel_list_end_tlv));
- bnx2x_do_req4pf(sc, sc->vf2pf_mbox_mapping.paddr);
+ rc = bnx2x_do_req4pf(sc, sc->vf2pf_mbox_mapping.paddr);
+ if (rc)
+ goto out;
if (reply->status != BNX2X_VF_STATUS_SUCCESS) {
PMD_DRV_LOG(ERR, "Failed to init VF");
- return -EINVAL;
+ rc = -EINVAL;
+ goto out;
}
PMD_DRV_LOG(DEBUG, "VF was initialized");
- return 0;
+out:
+ bnx2x_vf_finalize(sc, &query->first_tlv);
+ return rc;
}
void
struct vf_close_tlv *query;
struct vf_common_reply_tlv *reply = &sc->vf2pf_mbox->resp.common_reply;
struct vf_q_op_tlv *query_op;
- int i, vf_id;
+ int i, vf_id, rc;
vf_id = bnx2x_read_vf_id(sc);
if (vf_id > 0) {
FOR_EACH_QUEUE(sc, i) {
query_op = &sc->vf2pf_mbox->query[0].q_op;
- bnx2x_init_first_tlv(sc, &query_op->first_tlv,
- BNX2X_VF_TLV_TEARDOWN_Q,
- sizeof(*query_op));
+ bnx2x_vf_prep(sc, &query_op->first_tlv,
+ BNX2X_VF_TLV_TEARDOWN_Q,
+ sizeof(*query_op));
query_op->vf_qid = i;
BNX2X_VF_TLV_LIST_END,
sizeof(struct channel_list_end_tlv));
- bnx2x_do_req4pf(sc, sc->vf2pf_mbox_mapping.paddr);
- if (reply->status != BNX2X_VF_STATUS_SUCCESS)
+ rc = bnx2x_do_req4pf(sc, sc->vf2pf_mbox_mapping.paddr);
+ if (rc || reply->status != BNX2X_VF_STATUS_SUCCESS)
PMD_DRV_LOG(ERR,
"Bad reply for vf_q %d teardown", i);
+
+ bnx2x_vf_finalize(sc, &query_op->first_tlv);
}
bnx2x_vf_set_mac(sc, false);
query = &sc->vf2pf_mbox->query[0].close;
- bnx2x_init_first_tlv(sc, &query->first_tlv, BNX2X_VF_TLV_CLOSE,
- sizeof(*query));
+ bnx2x_vf_prep(sc, &query->first_tlv, BNX2X_VF_TLV_CLOSE,
+ sizeof(*query));
query->vf_id = vf_id;
BNX2X_VF_TLV_LIST_END,
sizeof(struct channel_list_end_tlv));
- bnx2x_do_req4pf(sc, sc->vf2pf_mbox_mapping.paddr);
- if (reply->status != BNX2X_VF_STATUS_SUCCESS)
+ rc = bnx2x_do_req4pf(sc, sc->vf2pf_mbox_mapping.paddr);
+ if (rc || reply->status != BNX2X_VF_STATUS_SUCCESS)
PMD_DRV_LOG(ERR,
"Bad reply from PF for close message");
+
+ bnx2x_vf_finalize(sc, &query->first_tlv);
}
}
struct vf_setup_q_tlv *query;
struct vf_common_reply_tlv *reply = &sc->vf2pf_mbox->resp.common_reply;
uint16_t flags = bnx2x_vf_q_flags(leading);
+ int rc;
query = &sc->vf2pf_mbox->query[0].setup_q;
- bnx2x_init_first_tlv(sc, &query->first_tlv, BNX2X_VF_TLV_SETUP_Q,
- sizeof(*query));
+ bnx2x_vf_prep(sc, &query->first_tlv, BNX2X_VF_TLV_SETUP_Q,
+ sizeof(*query));
query->vf_qid = fp->index;
query->param_valid = VF_RXQ_VALID | VF_TXQ_VALID;
BNX2X_VF_TLV_LIST_END,
sizeof(struct channel_list_end_tlv));
- bnx2x_do_req4pf(sc, sc->vf2pf_mbox_mapping.paddr);
+ rc = bnx2x_do_req4pf(sc, sc->vf2pf_mbox_mapping.paddr);
+ if (rc)
+ goto out;
if (reply->status != BNX2X_VF_STATUS_SUCCESS) {
PMD_DRV_LOG(ERR, "Failed to setup VF queue[%d]",
fp->index);
- return -EINVAL;
+ rc = -EINVAL;
}
+out:
+ bnx2x_vf_finalize(sc, &query->first_tlv);
- return 0;
+ return rc;
}
int
{
struct vf_set_q_filters_tlv *query;
struct vf_common_reply_tlv *reply;
+ int rc;
query = &sc->vf2pf_mbox->query[0].set_q_filters;
- bnx2x_init_first_tlv(sc, &query->first_tlv, BNX2X_VF_TLV_SET_Q_FILTERS,
+ bnx2x_vf_prep(sc, &query->first_tlv, BNX2X_VF_TLV_SET_Q_FILTERS,
sizeof(*query));
query->vf_qid = sc->fp->index;
BNX2X_VF_TLV_LIST_END,
sizeof(struct channel_list_end_tlv));
- bnx2x_do_req4pf(sc, sc->vf2pf_mbox_mapping.paddr);
+ rc = bnx2x_do_req4pf(sc, sc->vf2pf_mbox_mapping.paddr);
+ if (rc)
+ goto out;
reply = &sc->vf2pf_mbox->resp.common_reply;
while (BNX2X_VF_STATUS_FAILURE == reply->status &&
rte_memcpy(query->filters[0].mac, sc->pf2vf_bulletin->mac,
ETH_ALEN);
- bnx2x_do_req4pf(sc, sc->vf2pf_mbox_mapping.paddr);
+ rc = bnx2x_do_req4pf(sc, sc->vf2pf_mbox_mapping.paddr);
+ if (rc)
+ goto out;
}
if (BNX2X_VF_STATUS_SUCCESS != reply->status) {
PMD_DRV_LOG(ERR, "Bad reply from PF for SET MAC message: %d",
reply->status);
- return -EINVAL;
+ rc = -EINVAL;
}
+out:
+ bnx2x_vf_finalize(sc, &query->first_tlv);
- return 0;
+ return rc;
}
int
{
struct vf_rss_tlv *query;
struct vf_common_reply_tlv *reply = &sc->vf2pf_mbox->resp.common_reply;
+ int rc;
query = &sc->vf2pf_mbox->query[0].update_rss;
- bnx2x_init_first_tlv(sc, &query->first_tlv, BNX2X_VF_TLV_UPDATE_RSS,
+ bnx2x_vf_prep(sc, &query->first_tlv, BNX2X_VF_TLV_UPDATE_RSS,
sizeof(*query));
/* add list termination tlv */
query->rss_result_mask = params->rss_result_mask;
query->rss_flags = params->rss_flags;
- bnx2x_do_req4pf(sc, sc->vf2pf_mbox_mapping.paddr);
+ rc = bnx2x_do_req4pf(sc, sc->vf2pf_mbox_mapping.paddr);
+ if (rc)
+ goto out;
+
if (reply->status != BNX2X_VF_STATUS_SUCCESS) {
PMD_DRV_LOG(ERR, "Failed to configure RSS");
- return -EINVAL;
+ rc = -EINVAL;
}
+out:
+ bnx2x_vf_finalize(sc, &query->first_tlv);
- return 0;
+ return rc;
}
int
{
struct vf_set_q_filters_tlv *query;
struct vf_common_reply_tlv *reply = &sc->vf2pf_mbox->resp.common_reply;
+ int rc;
query = &sc->vf2pf_mbox->query[0].set_q_filters;
- bnx2x_init_first_tlv(sc, &query->first_tlv, BNX2X_VF_TLV_SET_Q_FILTERS,
+ bnx2x_vf_prep(sc, &query->first_tlv, BNX2X_VF_TLV_SET_Q_FILTERS,
sizeof(*query));
query->vf_qid = 0;
query->rx_mask |= VFPF_RX_MASK_ACCEPT_MATCHED_UNICAST;
query->rx_mask |= VFPF_RX_MASK_ACCEPT_BROADCAST;
break;
+ case BNX2X_RX_MODE_ALLMULTI_PROMISC:
case BNX2X_RX_MODE_PROMISC:
query->rx_mask = VFPF_RX_MASK_ACCEPT_ALL_UNICAST;
query->rx_mask |= VFPF_RX_MASK_ACCEPT_ALL_MULTICAST;
break;
default:
PMD_DRV_LOG(ERR, "BAD rx mode (%d)", sc->rx_mode);
- return -EINVAL;
+ rc = -EINVAL;
+ goto out;
}
bnx2x_add_tlv(sc, query, query->first_tlv.tl.length,
BNX2X_VF_TLV_LIST_END,
sizeof(struct channel_list_end_tlv));
- bnx2x_do_req4pf(sc, sc->vf2pf_mbox_mapping.paddr);
+ rc = bnx2x_do_req4pf(sc, sc->vf2pf_mbox_mapping.paddr);
+ if (rc)
+ goto out;
+
if (reply->status != BNX2X_VF_STATUS_SUCCESS) {
PMD_DRV_LOG(ERR, "Failed to set RX mode");
- return -EINVAL;
+ rc = -EINVAL;
}
- return 0;
+out:
+ bnx2x_vf_finalize(sc, &query->first_tlv);
+
+ return rc;
}