* @param desc_size size of each descriptor
* @param app_ctx application context
*/
-int octeon_setup_droq(struct octeon_device *oct, int q_no, int num_descs,
- int desc_size, void *app_ctx)
+static int octeon_setup_droq(struct octeon_device *oct, int q_no, int num_descs,
+ int desc_size, void *app_ctx)
{
int ret_val;
* @param param - additional control data with the packet
* @param arg - farg registered in droq_ops
*/
-void
+static void
liquidio_push_packet(u32 octeon_id __attribute__((unused)),
void *skbuff,
u32 len,
* \brief callback when receive interrupt occurs and we are in NAPI mode
* @param arg pointer to octeon output queue
*/
-void liquidio_napi_drv_callback(void *arg)
+static void liquidio_napi_drv_callback(void *arg)
{
struct octeon_device *oct;
struct octeon_droq *droq = arg;
* @param napi NAPI structure
* @param budget maximum number of items to process
*/
-int liquidio_napi_poll(struct napi_struct *napi, int budget)
+static int liquidio_napi_poll(struct napi_struct *napi, int budget)
{
struct octeon_instr_queue *iq;
struct octeon_device *oct;
return (!tx_done) ? (budget) : (work_done);
}
+
+/**
+ * \brief Setup input and output queues
+ * @param octeon_dev octeon device
+ * @param ifidx Interface index
+ *
+ * Note: Queues are with respect to the octeon device. Thus
+ * an input queue is for egress packets, and output queues
+ * are for ingress packets.
+ */
+int liquidio_setup_io_queues(struct octeon_device *octeon_dev, int ifidx)
+{
+ struct octeon_droq_ops droq_ops;
+ struct net_device *netdev;
+ struct octeon_droq *droq;
+ struct napi_struct *napi;
+ int cpu_id_modulus;
+ int num_tx_descs;
+ struct lio *lio;
+ int retval = 0;
+ int q, q_no;
+ int cpu_id;
+
+ netdev = octeon_dev->props[ifidx].netdev;
+
+ lio = GET_LIO(netdev);
+
+ memset(&droq_ops, 0, sizeof(struct octeon_droq_ops));
+
+ droq_ops.fptr = liquidio_push_packet;
+ droq_ops.farg = netdev;
+
+ droq_ops.poll_mode = 1;
+ droq_ops.napi_fn = liquidio_napi_drv_callback;
+ cpu_id = 0;
+ cpu_id_modulus = num_present_cpus();
+
+ /* set up DROQs. */
+ for (q = 0; q < lio->linfo.num_rxpciq; q++) {
+ q_no = lio->linfo.rxpciq[q].s.q_no;
+ dev_dbg(&octeon_dev->pci_dev->dev,
+ "%s index:%d linfo.rxpciq.s.q_no:%d\n",
+ __func__, q, q_no);
+ retval = octeon_setup_droq(
+ octeon_dev, q_no,
+ CFG_GET_NUM_RX_DESCS_NIC_IF(octeon_get_conf(octeon_dev),
+ lio->ifidx),
+ CFG_GET_NUM_RX_BUF_SIZE_NIC_IF(octeon_get_conf(octeon_dev),
+ lio->ifidx),
+ NULL);
+ if (retval) {
+ dev_err(&octeon_dev->pci_dev->dev,
+ "%s : Runtime DROQ(RxQ) creation failed.\n",
+ __func__);
+ return 1;
+ }
+
+ droq = octeon_dev->droq[q_no];
+ napi = &droq->napi;
+ dev_dbg(&octeon_dev->pci_dev->dev, "netif_napi_add netdev:%llx oct:%llx\n",
+ (u64)netdev, (u64)octeon_dev);
+ netif_napi_add(netdev, napi, liquidio_napi_poll, 64);
+
+ /* designate a CPU for this droq */
+ droq->cpu_id = cpu_id;
+ cpu_id++;
+ if (cpu_id >= cpu_id_modulus)
+ cpu_id = 0;
+
+ octeon_register_droq_ops(octeon_dev, q_no, &droq_ops);
+ }
+
+ if (OCTEON_CN23XX_PF(octeon_dev) || OCTEON_CN23XX_VF(octeon_dev)) {
+ /* 23XX PF/VF can send/recv control messages (via the first
+ * PF/VF-owned droq) from the firmware even if the ethX
+ * interface is down, so that's why poll_mode must be off
+ * for the first droq.
+ */
+ octeon_dev->droq[0]->ops.poll_mode = 0;
+ }
+
+ /* set up IQs. */
+ for (q = 0; q < lio->linfo.num_txpciq; q++) {
+ num_tx_descs = CFG_GET_NUM_TX_DESCS_NIC_IF(
+ octeon_get_conf(octeon_dev), lio->ifidx);
+ retval = octeon_setup_iq(octeon_dev, ifidx, q,
+ lio->linfo.txpciq[q], num_tx_descs,
+ netdev_get_tx_queue(netdev, q));
+ if (retval) {
+ dev_err(&octeon_dev->pci_dev->dev,
+ " %s : Runtime IQ(TxQ) creation failed.\n",
+ __func__);
+ return 1;
+ }
+
+ /* XPS */
+ if (!OCTEON_CN23XX_VF(octeon_dev) && octeon_dev->msix_on &&
+ octeon_dev->ioq_vector) {
+ struct octeon_ioq_vector *ioq_vector;
+
+ ioq_vector = &octeon_dev->ioq_vector[q];
+ netif_set_xps_queue(netdev,
+ &ioq_vector->affinity_mask,
+ ioq_vector->iq_index);
+ }
+ }
+
+ return 0;
+}
}
/**
- * \brief Setup input and output queues
- * @param octeon_dev octeon device
- * @param ifidx Interface Index
- *
- * Note: Queues are with respect to the octeon device. Thus
- * an input queue is for egress packets, and output queues
- * are for ingress packets.
- */
-static inline int setup_io_queues(struct octeon_device *octeon_dev,
- int ifidx)
-{
- struct octeon_droq_ops droq_ops;
- struct net_device *netdev;
- int cpu_id;
- int cpu_id_modulus;
- struct octeon_droq *droq;
- struct napi_struct *napi;
- int q, q_no, retval = 0;
- struct lio *lio;
- int num_tx_descs;
-
- netdev = octeon_dev->props[ifidx].netdev;
-
- lio = GET_LIO(netdev);
-
- memset(&droq_ops, 0, sizeof(struct octeon_droq_ops));
-
- droq_ops.fptr = liquidio_push_packet;
- droq_ops.farg = (void *)netdev;
-
- droq_ops.poll_mode = 1;
- droq_ops.napi_fn = liquidio_napi_drv_callback;
- cpu_id = 0;
- cpu_id_modulus = num_present_cpus();
-
- /* set up DROQs. */
- for (q = 0; q < lio->linfo.num_rxpciq; q++) {
- q_no = lio->linfo.rxpciq[q].s.q_no;
- dev_dbg(&octeon_dev->pci_dev->dev,
- "setup_io_queues index:%d linfo.rxpciq.s.q_no:%d\n",
- q, q_no);
- retval = octeon_setup_droq(octeon_dev, q_no,
- CFG_GET_NUM_RX_DESCS_NIC_IF
- (octeon_get_conf(octeon_dev),
- lio->ifidx),
- CFG_GET_NUM_RX_BUF_SIZE_NIC_IF
- (octeon_get_conf(octeon_dev),
- lio->ifidx), NULL);
- if (retval) {
- dev_err(&octeon_dev->pci_dev->dev,
- "%s : Runtime DROQ(RxQ) creation failed.\n",
- __func__);
- return 1;
- }
-
- droq = octeon_dev->droq[q_no];
- napi = &droq->napi;
- dev_dbg(&octeon_dev->pci_dev->dev, "netif_napi_add netdev:%llx oct:%llx pf_num:%d\n",
- (u64)netdev, (u64)octeon_dev, octeon_dev->pf_num);
- netif_napi_add(netdev, napi, liquidio_napi_poll, 64);
-
- /* designate a CPU for this droq */
- droq->cpu_id = cpu_id;
- cpu_id++;
- if (cpu_id >= cpu_id_modulus)
- cpu_id = 0;
-
- octeon_register_droq_ops(octeon_dev, q_no, &droq_ops);
- }
-
- if (OCTEON_CN23XX_PF(octeon_dev)) {
- /* 23XX PF can receive control messages (via the first PF-owned
- * droq) from the firmware even if the ethX interface is down,
- * so that's why poll_mode must be off for the first droq.
- */
- octeon_dev->droq[0]->ops.poll_mode = 0;
- }
-
- /* set up IQs. */
- for (q = 0; q < lio->linfo.num_txpciq; q++) {
- num_tx_descs = CFG_GET_NUM_TX_DESCS_NIC_IF(octeon_get_conf
- (octeon_dev),
- lio->ifidx);
- retval = octeon_setup_iq(octeon_dev, ifidx, q,
- lio->linfo.txpciq[q], num_tx_descs,
- netdev_get_tx_queue(netdev, q));
- if (retval) {
- dev_err(&octeon_dev->pci_dev->dev,
- " %s : Runtime IQ(TxQ) creation failed.\n",
- __func__);
- return 1;
- }
-
- if (octeon_dev->ioq_vector) {
- struct octeon_ioq_vector *ioq_vector;
-
- ioq_vector = &octeon_dev->ioq_vector[q];
- netif_set_xps_queue(netdev,
- &ioq_vector->affinity_mask,
- ioq_vector->iq_index);
- }
- }
-
- return 0;
-}
-
-/**
* \brief Poll routine for checking transmit queue status
* @param work work_struct data structure
*/
*/
lio->txq = lio->linfo.txpciq[0].s.q_no;
lio->rxq = lio->linfo.rxpciq[0].s.q_no;
- if (setup_io_queues(octeon_dev, i)) {
+ if (liquidio_setup_io_queues(octeon_dev, i)) {
dev_err(&octeon_dev->pci_dev->dev, "I/O queues creation failed\n");
goto setup_nic_dev_fail;
}
}
/**
- * \brief Setup input and output queues
- * @param octeon_dev octeon device
- * @param ifidx Interface index
- *
- * Note: Queues are with respect to the octeon device. Thus
- * an input queue is for egress packets, and output queues
- * are for ingress packets.
- */
-static int setup_io_queues(struct octeon_device *octeon_dev, int ifidx)
-{
- struct octeon_droq_ops droq_ops;
- struct net_device *netdev;
- int cpu_id_modulus;
- struct octeon_droq *droq;
- struct napi_struct *napi;
- int cpu_id;
- int num_tx_descs;
- struct lio *lio;
- int retval = 0;
- int q, q_no;
-
- netdev = octeon_dev->props[ifidx].netdev;
-
- lio = GET_LIO(netdev);
-
- memset(&droq_ops, 0, sizeof(struct octeon_droq_ops));
-
- droq_ops.fptr = liquidio_push_packet;
- droq_ops.farg = netdev;
-
- droq_ops.poll_mode = 1;
- droq_ops.napi_fn = liquidio_napi_drv_callback;
- cpu_id = 0;
- cpu_id_modulus = num_present_cpus();
-
- /* set up DROQs. */
- for (q = 0; q < lio->linfo.num_rxpciq; q++) {
- q_no = lio->linfo.rxpciq[q].s.q_no;
-
- retval = octeon_setup_droq(
- octeon_dev, q_no,
- CFG_GET_NUM_RX_DESCS_NIC_IF(octeon_get_conf(octeon_dev),
- lio->ifidx),
- CFG_GET_NUM_RX_BUF_SIZE_NIC_IF(octeon_get_conf(octeon_dev),
- lio->ifidx),
- NULL);
- if (retval) {
- dev_err(&octeon_dev->pci_dev->dev,
- "%s : Runtime DROQ(RxQ) creation failed.\n",
- __func__);
- return 1;
- }
-
- droq = octeon_dev->droq[q_no];
- napi = &droq->napi;
- netif_napi_add(netdev, napi, liquidio_napi_poll, 64);
-
- /* designate a CPU for this droq */
- droq->cpu_id = cpu_id;
- cpu_id++;
- if (cpu_id >= cpu_id_modulus)
- cpu_id = 0;
-
- octeon_register_droq_ops(octeon_dev, q_no, &droq_ops);
- }
-
- /* 23XX VF can send/recv control messages (via the first VF-owned
- * droq) from the firmware even if the ethX interface is down,
- * so that's why poll_mode must be off for the first droq.
- */
- octeon_dev->droq[0]->ops.poll_mode = 0;
-
- /* set up IQs. */
- for (q = 0; q < lio->linfo.num_txpciq; q++) {
- num_tx_descs = CFG_GET_NUM_TX_DESCS_NIC_IF(
- octeon_get_conf(octeon_dev), lio->ifidx);
- retval = octeon_setup_iq(octeon_dev, ifidx, q,
- lio->linfo.txpciq[q], num_tx_descs,
- netdev_get_tx_queue(netdev, q));
- if (retval) {
- dev_err(&octeon_dev->pci_dev->dev,
- " %s : Runtime IQ(TxQ) creation failed.\n",
- __func__);
- return 1;
- }
- }
-
- return 0;
-}
-
-/**
* \brief Net device open for LiquidIO
* @param netdev network device
*/
/* Copy MAC Address to OS network device structure */
ether_addr_copy(netdev->dev_addr, mac);
- if (setup_io_queues(octeon_dev, i)) {
+ if (liquidio_setup_io_queues(octeon_dev, i)) {
dev_err(&octeon_dev->pci_dev->dev, "I/O queues creation failed\n");
goto setup_nic_dev_fail;
}
*/
void liquidio_link_ctrl_cmd_completion(void *nctrl_ptr);
+int liquidio_setup_io_queues(struct octeon_device *octeon_dev, int ifidx);
+
/**
* \brief Register ethtool operations
* @param netdev pointer to network device
return 0;
}
-int octeon_setup_droq(struct octeon_device *oct, int q_no, int num_descs,
- int desc_size, void *app_ctx);
-void
-liquidio_push_packet(u32 octeon_id __attribute__((unused)),
- void *skbuff,
- u32 len,
- union octeon_rh *rh,
- void *param,
- void *arg);
-void liquidio_napi_drv_callback(void *arg);
-int liquidio_napi_poll(struct napi_struct *napi, int budget);
#endif
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