#include "lio_ethdev.h"
#include "lio_rxtx.h"
+#define LIO_MAX_SG 12
+/* Flush iq if available tx_desc fall below LIO_FLUSH_WM */
+#define LIO_FLUSH_WM(_iq) ((_iq)->max_count / 2)
+#define LIO_PKT_IN_DONE_CNT_MASK 0x00000000FFFFFFFFULL
+
static void
lio_droq_compute_max_packet_bufs(struct lio_droq *droq)
{
lio_droq_reset_indices(droq);
}
-static void *
-lio_recv_buffer_alloc(struct lio_device *lio_dev, int q_no)
-{
- struct lio_droq *droq = lio_dev->droq[q_no];
- struct rte_mempool *mpool = droq->mpool;
- struct rte_mbuf *m;
-
- m = rte_pktmbuf_alloc(mpool);
- if (m == NULL) {
- lio_dev_err(lio_dev, "Cannot allocate\n");
- return NULL;
- }
-
- rte_mbuf_refcnt_set(m, 1);
- m->next = NULL;
- m->data_off = RTE_PKTMBUF_HEADROOM;
- m->nb_segs = 1;
- m->pool = mpool;
-
- return m;
-}
-
static int
lio_droq_setup_ring_buffers(struct lio_device *lio_dev,
struct lio_droq *droq)
void *buf;
for (i = 0; i < droq->max_count; i++) {
- buf = lio_recv_buffer_alloc(lio_dev, droq->q_no);
+ buf = rte_pktmbuf_alloc(droq->mpool);
if (buf == NULL) {
lio_dev_err(lio_dev, "buffer alloc failed\n");
+ droq->stats.rx_alloc_failure++;
lio_droq_destroy_ring_buffers(droq);
return -ENOMEM;
}
if (droq->info_mz == NULL)
return NULL;
- droq->info_list_dma = droq->info_mz->phys_addr;
+ droq->info_list_dma = droq->info_mz->iova;
droq->info_alloc_size = droq->info_mz->len;
droq->info_base_addr = (size_t)droq->info_mz->addr;
return -1;
}
- droq->desc_ring_dma = droq->desc_ring_mz->phys_addr;
+ droq->desc_ring_dma = droq->desc_ring_mz->iova;
droq->desc_ring = (struct lio_droq_desc *)droq->desc_ring_mz->addr;
lio_dev_dbg(lio_dev, "droq[%d]: desc_ring: virt: 0x%p, dma: %lx\n",
/* lio_droq_refill
*
- * @param lio_dev - pointer to the lio device structure
* @param droq - droq in which descriptors require new buffers.
*
* Description:
* This routine is called with droq->lock held.
*/
static uint32_t
-lio_droq_refill(struct lio_device *lio_dev, struct lio_droq *droq)
+lio_droq_refill(struct lio_droq *droq)
{
struct lio_droq_desc *desc_ring;
uint32_t desc_refilled = 0;
* reuse the buffer, else allocate.
*/
if (droq->recv_buf_list[droq->refill_idx].buffer == NULL) {
- buf = lio_recv_buffer_alloc(lio_dev, droq->q_no);
+ buf = rte_pktmbuf_alloc(droq->mpool);
/* If a buffer could not be allocated, no point in
* continuing
*/
- if (buf == NULL)
+ if (buf == NULL) {
+ droq->stats.rx_alloc_failure++;
break;
+ }
droq->recv_buf_list[droq->refill_idx].buffer = buf;
}
droq->refill_count++;
if (likely(nicbuf != NULL)) {
- nicbuf->data_off = RTE_PKTMBUF_HEADROOM;
- nicbuf->nb_segs = 1;
- nicbuf->next = NULL;
/* We don't have a way to pass flags yet */
nicbuf->ol_flags = 0;
if (rh->r_dh.has_hash) {
if (!pkt_len)
first_buf = nicbuf;
- nicbuf->data_off = RTE_PKTMBUF_HEADROOM;
- nicbuf->nb_segs = 1;
- nicbuf->next = NULL;
nicbuf->port = lio_dev->port_id;
/* We don't have a way to pass
* flags yet
}
if (droq->refill_count >= droq->refill_threshold) {
- int desc_refilled = lio_droq_refill(lio_dev, droq);
+ int desc_refilled = lio_droq_refill(droq);
/* Flush the droq descriptor data to memory to be sure
* that when we update the credits the data in memory is
info->length = 0;
info->rh.rh64 = 0;
+ droq->stats.pkts_received++;
+ droq->stats.rx_pkts_received += data_pkts;
+ droq->stats.rx_bytes_received += data_total_len;
+ droq->stats.bytes_received += total_len;
+
return data_pkts;
}
return pkts_processed;
}
+void
+lio_delete_droq_queue(struct lio_device *lio_dev,
+ int oq_no)
+{
+ lio_delete_droq(lio_dev, oq_no);
+ lio_dev->num_oqs--;
+ rte_free(lio_dev->droq[oq_no]);
+ lio_dev->droq[oq_no] = NULL;
+}
+
/**
* lio_init_instr_queue()
* @param lio_dev - pointer to the lio device structure.
return -1;
}
- iq->base_addr_dma = iq->iq_mz->phys_addr;
+ iq->base_addr_dma = iq->iq_mz->iova;
iq->base_addr = (uint8_t *)iq->iq_mz->addr;
iq->max_count = num_descs;
lio_dev->num_iqs--;
}
+/* Return 0 on success, -1 on failure */
+int
+lio_setup_iq(struct lio_device *lio_dev, int q_index,
+ union octeon_txpciq txpciq, uint32_t num_descs, void *app_ctx,
+ unsigned int socket_id)
+{
+ uint32_t iq_no = (uint32_t)txpciq.s.q_no;
+
+ if (lio_dev->instr_queue[iq_no]) {
+ lio_dev_dbg(lio_dev, "IQ is in use. Cannot create the IQ: %d again\n",
+ iq_no);
+ lio_dev->instr_queue[iq_no]->txpciq.txpciq64 = txpciq.txpciq64;
+ lio_dev->instr_queue[iq_no]->app_ctx = app_ctx;
+ return 0;
+ }
+
+ lio_dev->instr_queue[iq_no] = rte_zmalloc_socket("ethdev TX queue",
+ sizeof(struct lio_instr_queue),
+ RTE_CACHE_LINE_SIZE, socket_id);
+ if (lio_dev->instr_queue[iq_no] == NULL)
+ return -1;
+
+ lio_dev->instr_queue[iq_no]->q_index = q_index;
+ lio_dev->instr_queue[iq_no]->app_ctx = app_ctx;
+
+ if (lio_init_instr_queue(lio_dev, txpciq, num_descs, socket_id))
+ goto release_lio_iq;
+
+ lio_dev->num_iqs++;
+ if (lio_dev->fn_list.enable_io_queues(lio_dev))
+ goto delete_lio_iq;
+
+ return 0;
+
+delete_lio_iq:
+ lio_delete_instr_queue(lio_dev, iq_no);
+ lio_dev->num_iqs--;
+release_lio_iq:
+ rte_free(lio_dev->instr_queue[iq_no]);
+ lio_dev->instr_queue[iq_no] = NULL;
+
+ return -1;
+}
+
+int
+lio_wait_for_instr_fetch(struct lio_device *lio_dev)
+{
+ int pending, instr_cnt;
+ int i, retry = 1000;
+
+ do {
+ instr_cnt = 0;
+
+ for (i = 0; i < LIO_MAX_INSTR_QUEUES(lio_dev); i++) {
+ if (!(lio_dev->io_qmask.iq & (1ULL << i)))
+ continue;
+
+ if (lio_dev->instr_queue[i] == NULL)
+ break;
+
+ pending = rte_atomic64_read(
+ &lio_dev->instr_queue[i]->instr_pending);
+ if (pending)
+ lio_flush_iq(lio_dev, lio_dev->instr_queue[i]);
+
+ instr_cnt += pending;
+ }
+
+ if (instr_cnt == 0)
+ break;
+
+ rte_delay_ms(1);
+
+ } while (retry-- && instr_cnt);
+
+ return instr_cnt;
+}
+
static inline void
lio_ring_doorbell(struct lio_device *lio_dev,
struct lio_instr_queue *iq)
iq->request_list[idx].reqtype = reqtype;
}
+static inline void
+lio_free_netsgbuf(void *buf)
+{
+ struct lio_buf_free_info *finfo = buf;
+ struct lio_device *lio_dev = finfo->lio_dev;
+ struct rte_mbuf *m = finfo->mbuf;
+ struct lio_gather *g = finfo->g;
+ uint8_t iq = finfo->iq_no;
+
+ /* This will take care of multiple segments also */
+ rte_pktmbuf_free(m);
+
+ rte_spinlock_lock(&lio_dev->glist_lock[iq]);
+ STAILQ_INSERT_TAIL(&lio_dev->glist_head[iq], &g->list, entries);
+ rte_spinlock_unlock(&lio_dev->glist_lock[iq]);
+ rte_free(finfo);
+}
+
+/* Can only run in process context */
+static int
+lio_process_iq_request_list(struct lio_device *lio_dev,
+ struct lio_instr_queue *iq)
+{
+ struct octeon_instr_irh *irh = NULL;
+ uint32_t old = iq->flush_index;
+ struct lio_soft_command *sc;
+ uint32_t inst_count = 0;
+ int reqtype;
+ void *buf;
+
+ while (old != iq->lio_read_index) {
+ reqtype = iq->request_list[old].reqtype;
+ buf = iq->request_list[old].buf;
+
+ if (reqtype == LIO_REQTYPE_NONE)
+ goto skip_this;
+
+ switch (reqtype) {
+ case LIO_REQTYPE_NORESP_NET:
+ rte_pktmbuf_free((struct rte_mbuf *)buf);
+ break;
+ case LIO_REQTYPE_NORESP_NET_SG:
+ lio_free_netsgbuf(buf);
+ break;
+ case LIO_REQTYPE_SOFT_COMMAND:
+ sc = buf;
+ irh = (struct octeon_instr_irh *)&sc->cmd.cmd3.irh;
+ if (irh->rflag) {
+ /* We're expecting a response from Octeon.
+ * It's up to lio_process_ordered_list() to
+ * process sc. Add sc to the ordered soft
+ * command response list because we expect
+ * a response from Octeon.
+ */
+ rte_spinlock_lock(&lio_dev->response_list.lock);
+ rte_atomic64_inc(
+ &lio_dev->response_list.pending_req_count);
+ STAILQ_INSERT_TAIL(
+ &lio_dev->response_list.head,
+ &sc->node, entries);
+ rte_spinlock_unlock(
+ &lio_dev->response_list.lock);
+ } else {
+ if (sc->callback) {
+ /* This callback must not sleep */
+ sc->callback(LIO_REQUEST_DONE,
+ sc->callback_arg);
+ }
+ }
+ break;
+ default:
+ lio_dev_err(lio_dev,
+ "Unknown reqtype: %d buf: %p at idx %d\n",
+ reqtype, buf, old);
+ }
+
+ iq->request_list[old].buf = NULL;
+ iq->request_list[old].reqtype = 0;
+
+skip_this:
+ inst_count++;
+ old = lio_incr_index(old, 1, iq->max_count);
+ }
+
+ iq->flush_index = old;
+
+ return inst_count;
+}
+
+static void
+lio_update_read_index(struct lio_instr_queue *iq)
+{
+ uint32_t pkt_in_done = rte_read32(iq->inst_cnt_reg);
+ uint32_t last_done;
+
+ last_done = pkt_in_done - iq->pkt_in_done;
+ iq->pkt_in_done = pkt_in_done;
+
+ /* Add last_done and modulo with the IQ size to get new index */
+ iq->lio_read_index = (iq->lio_read_index +
+ (uint32_t)(last_done & LIO_PKT_IN_DONE_CNT_MASK)) %
+ iq->max_count;
+}
+
+int
+lio_flush_iq(struct lio_device *lio_dev, struct lio_instr_queue *iq)
+{
+ uint32_t tot_inst_processed = 0;
+ uint32_t inst_processed = 0;
+ int tx_done = 1;
+
+ if (rte_atomic64_test_and_set(&iq->iq_flush_running) == 0)
+ return tx_done;
+
+ rte_spinlock_lock(&iq->lock);
+
+ lio_update_read_index(iq);
+
+ do {
+ /* Process any outstanding IQ packets. */
+ if (iq->flush_index == iq->lio_read_index)
+ break;
+
+ inst_processed = lio_process_iq_request_list(lio_dev, iq);
+
+ if (inst_processed) {
+ rte_atomic64_sub(&iq->instr_pending, inst_processed);
+ iq->stats.instr_processed += inst_processed;
+ }
+
+ tot_inst_processed += inst_processed;
+ inst_processed = 0;
+
+ } while (1);
+
+ rte_spinlock_unlock(&iq->lock);
+
+ rte_atomic64_clear(&iq->iq_flush_running);
+
+ return tx_done;
+}
+
static int
lio_send_command(struct lio_device *lio_dev, uint32_t iq_no, void *cmd,
- void *buf, uint32_t datasize __rte_unused, uint32_t reqtype)
+ void *buf, uint32_t datasize, uint32_t reqtype)
{
struct lio_instr_queue *iq = lio_dev->instr_queue[iq_no];
struct lio_iq_post_status st;
if (st.status != LIO_IQ_SEND_FAILED) {
lio_add_to_request_list(iq, st.index, buf, reqtype);
+ LIO_INCR_INSTRQUEUE_PKT_COUNT(lio_dev, iq_no, bytes_sent,
+ datasize);
+ LIO_INCR_INSTRQUEUE_PKT_COUNT(lio_dev, iq_no, instr_posted, 1);
+
lio_ring_doorbell(lio_dev, iq);
+ } else {
+ LIO_INCR_INSTRQUEUE_PKT_COUNT(lio_dev, iq_no, instr_dropped, 1);
}
rte_spinlock_unlock(&iq->post_lock);
sc = rte_pktmbuf_mtod(m, struct lio_soft_command *);
memset(sc, 0, LIO_SOFT_COMMAND_BUFFER_SIZE);
sc->size = LIO_SOFT_COMMAND_BUFFER_SIZE;
- sc->dma_addr = rte_mbuf_data_dma_addr(m);
+ sc->dma_addr = rte_mbuf_data_iova(m);
sc->mbuf = m;
dma_addr = sc->dma_addr;
return 0;
}
+
+static inline struct lio_stailq_node *
+list_delete_first_node(struct lio_stailq_head *head)
+{
+ struct lio_stailq_node *node;
+
+ if (STAILQ_EMPTY(head))
+ node = NULL;
+ else
+ node = STAILQ_FIRST(head);
+
+ if (node)
+ STAILQ_REMOVE(head, node, lio_stailq_node, entries);
+
+ return node;
+}
+
+void
+lio_delete_sglist(struct lio_instr_queue *txq)
+{
+ struct lio_device *lio_dev = txq->lio_dev;
+ int iq_no = txq->q_index;
+ struct lio_gather *g;
+
+ if (lio_dev->glist_head == NULL)
+ return;
+
+ do {
+ g = (struct lio_gather *)list_delete_first_node(
+ &lio_dev->glist_head[iq_no]);
+ if (g) {
+ if (g->sg)
+ rte_free(
+ (void *)((unsigned long)g->sg - g->adjust));
+ rte_free(g);
+ }
+ } while (g);
+}
+
+/**
+ * \brief Setup gather lists
+ * @param lio per-network private data
+ */
+int
+lio_setup_sglists(struct lio_device *lio_dev, int iq_no,
+ int fw_mapped_iq, int num_descs, unsigned int socket_id)
+{
+ struct lio_gather *g;
+ int i;
+
+ rte_spinlock_init(&lio_dev->glist_lock[iq_no]);
+
+ STAILQ_INIT(&lio_dev->glist_head[iq_no]);
+
+ for (i = 0; i < num_descs; i++) {
+ g = rte_zmalloc_socket(NULL, sizeof(*g), RTE_CACHE_LINE_SIZE,
+ socket_id);
+ if (g == NULL) {
+ lio_dev_err(lio_dev,
+ "lio_gather memory allocation failed for qno %d\n",
+ iq_no);
+ break;
+ }
+
+ g->sg_size =
+ ((ROUNDUP4(LIO_MAX_SG) >> 2) * LIO_SG_ENTRY_SIZE);
+
+ g->sg = rte_zmalloc_socket(NULL, g->sg_size + 8,
+ RTE_CACHE_LINE_SIZE, socket_id);
+ if (g->sg == NULL) {
+ lio_dev_err(lio_dev,
+ "sg list memory allocation failed for qno %d\n",
+ iq_no);
+ rte_free(g);
+ break;
+ }
+
+ /* The gather component should be aligned on 64-bit boundary */
+ if (((unsigned long)g->sg) & 7) {
+ g->adjust = 8 - (((unsigned long)g->sg) & 7);
+ g->sg =
+ (struct lio_sg_entry *)((unsigned long)g->sg +
+ g->adjust);
+ }
+
+ STAILQ_INSERT_TAIL(&lio_dev->glist_head[iq_no], &g->list,
+ entries);
+ }
+
+ if (i != num_descs) {
+ lio_delete_sglist(lio_dev->instr_queue[fw_mapped_iq]);
+ return -ENOMEM;
+ }
+
+ return 0;
+}
+
+void
+lio_delete_instruction_queue(struct lio_device *lio_dev, int iq_no)
+{
+ lio_delete_instr_queue(lio_dev, iq_no);
+ rte_free(lio_dev->instr_queue[iq_no]);
+ lio_dev->instr_queue[iq_no] = NULL;
+ lio_dev->num_iqs--;
+}
+
+static inline uint32_t
+lio_iq_get_available(struct lio_device *lio_dev, uint32_t q_no)
+{
+ return ((lio_dev->instr_queue[q_no]->max_count - 1) -
+ (uint32_t)rte_atomic64_read(
+ &lio_dev->instr_queue[q_no]->instr_pending));
+}
+
+static inline int
+lio_iq_is_full(struct lio_device *lio_dev, uint32_t q_no)
+{
+ return ((uint32_t)rte_atomic64_read(
+ &lio_dev->instr_queue[q_no]->instr_pending) >=
+ (lio_dev->instr_queue[q_no]->max_count - 2));
+}
+
+static int
+lio_dev_cleanup_iq(struct lio_device *lio_dev, int iq_no)
+{
+ struct lio_instr_queue *iq = lio_dev->instr_queue[iq_no];
+ uint32_t count = 10000;
+
+ while ((lio_iq_get_available(lio_dev, iq_no) < LIO_FLUSH_WM(iq)) &&
+ --count)
+ lio_flush_iq(lio_dev, iq);
+
+ return count ? 0 : 1;
+}
+
+static void
+lio_ctrl_cmd_callback(uint32_t status __rte_unused, void *sc_ptr)
+{
+ struct lio_soft_command *sc = sc_ptr;
+ struct lio_dev_ctrl_cmd *ctrl_cmd;
+ struct lio_ctrl_pkt *ctrl_pkt;
+
+ ctrl_pkt = (struct lio_ctrl_pkt *)sc->ctxptr;
+ ctrl_cmd = ctrl_pkt->ctrl_cmd;
+ ctrl_cmd->cond = 1;
+
+ lio_free_soft_command(sc);
+}
+
+static inline struct lio_soft_command *
+lio_alloc_ctrl_pkt_sc(struct lio_device *lio_dev,
+ struct lio_ctrl_pkt *ctrl_pkt)
+{
+ struct lio_soft_command *sc = NULL;
+ uint32_t uddsize, datasize;
+ uint32_t rdatasize;
+ uint8_t *data;
+
+ uddsize = (uint32_t)(ctrl_pkt->ncmd.s.more * 8);
+
+ datasize = OCTEON_CMD_SIZE + uddsize;
+ rdatasize = (ctrl_pkt->wait_time) ? 16 : 0;
+
+ sc = lio_alloc_soft_command(lio_dev, datasize,
+ rdatasize, sizeof(struct lio_ctrl_pkt));
+ if (sc == NULL)
+ return NULL;
+
+ rte_memcpy(sc->ctxptr, ctrl_pkt, sizeof(struct lio_ctrl_pkt));
+
+ data = (uint8_t *)sc->virtdptr;
+
+ rte_memcpy(data, &ctrl_pkt->ncmd, OCTEON_CMD_SIZE);
+
+ lio_swap_8B_data((uint64_t *)data, OCTEON_CMD_SIZE >> 3);
+
+ if (uddsize) {
+ /* Endian-Swap for UDD should have been done by caller. */
+ rte_memcpy(data + OCTEON_CMD_SIZE, ctrl_pkt->udd, uddsize);
+ }
+
+ sc->iq_no = (uint32_t)ctrl_pkt->iq_no;
+
+ lio_prepare_soft_command(lio_dev, sc,
+ LIO_OPCODE, LIO_OPCODE_CMD,
+ 0, 0, 0);
+
+ sc->callback = lio_ctrl_cmd_callback;
+ sc->callback_arg = sc;
+ sc->wait_time = ctrl_pkt->wait_time;
+
+ return sc;
+}
+
+int
+lio_send_ctrl_pkt(struct lio_device *lio_dev, struct lio_ctrl_pkt *ctrl_pkt)
+{
+ struct lio_soft_command *sc = NULL;
+ int retval;
+
+ sc = lio_alloc_ctrl_pkt_sc(lio_dev, ctrl_pkt);
+ if (sc == NULL) {
+ lio_dev_err(lio_dev, "soft command allocation failed\n");
+ return -1;
+ }
+
+ retval = lio_send_soft_command(lio_dev, sc);
+ if (retval == LIO_IQ_SEND_FAILED) {
+ lio_free_soft_command(sc);
+ lio_dev_err(lio_dev, "Port: %d soft command: %d send failed status: %x\n",
+ lio_dev->port_id, ctrl_pkt->ncmd.s.cmd, retval);
+ return -1;
+ }
+
+ return retval;
+}
+
+/** Send data packet to the device
+ * @param lio_dev - lio device pointer
+ * @param ndata - control structure with queueing, and buffer information
+ *
+ * @returns IQ_FAILED if it failed to add to the input queue. IQ_STOP if it the
+ * queue should be stopped, and LIO_IQ_SEND_OK if it sent okay.
+ */
+static inline int
+lio_send_data_pkt(struct lio_device *lio_dev, struct lio_data_pkt *ndata)
+{
+ return lio_send_command(lio_dev, ndata->q_no, &ndata->cmd,
+ ndata->buf, ndata->datasize, ndata->reqtype);
+}
+
+uint16_t
+lio_dev_xmit_pkts(void *tx_queue, struct rte_mbuf **pkts, uint16_t nb_pkts)
+{
+ struct lio_instr_queue *txq = tx_queue;
+ union lio_cmd_setup cmdsetup;
+ struct lio_device *lio_dev;
+ struct lio_iq_stats *stats;
+ struct lio_data_pkt ndata;
+ int i, processed = 0;
+ struct rte_mbuf *m;
+ uint32_t tag = 0;
+ int status = 0;
+ int iq_no;
+
+ lio_dev = txq->lio_dev;
+ iq_no = txq->txpciq.s.q_no;
+ stats = &lio_dev->instr_queue[iq_no]->stats;
+
+ if (!lio_dev->intf_open || !lio_dev->linfo.link.s.link_up) {
+ PMD_TX_LOG(lio_dev, ERR, "Transmit failed link_status : %d\n",
+ lio_dev->linfo.link.s.link_up);
+ goto xmit_failed;
+ }
+
+ lio_dev_cleanup_iq(lio_dev, iq_no);
+
+ for (i = 0; i < nb_pkts; i++) {
+ uint32_t pkt_len = 0;
+
+ m = pkts[i];
+
+ /* Prepare the attributes for the data to be passed to BASE. */
+ memset(&ndata, 0, sizeof(struct lio_data_pkt));
+
+ ndata.buf = m;
+
+ ndata.q_no = iq_no;
+ if (lio_iq_is_full(lio_dev, ndata.q_no)) {
+ stats->tx_iq_busy++;
+ if (lio_dev_cleanup_iq(lio_dev, iq_no)) {
+ PMD_TX_LOG(lio_dev, ERR,
+ "Transmit failed iq:%d full\n",
+ ndata.q_no);
+ break;
+ }
+ }
+
+ cmdsetup.cmd_setup64 = 0;
+ cmdsetup.s.iq_no = iq_no;
+
+ /* check checksum offload flags to form cmd */
+ if (m->ol_flags & PKT_TX_IP_CKSUM)
+ cmdsetup.s.ip_csum = 1;
+
+ if (m->ol_flags & PKT_TX_OUTER_IP_CKSUM)
+ cmdsetup.s.tnl_csum = 1;
+ else if ((m->ol_flags & PKT_TX_TCP_CKSUM) ||
+ (m->ol_flags & PKT_TX_UDP_CKSUM))
+ cmdsetup.s.transport_csum = 1;
+
+ if (m->nb_segs == 1) {
+ pkt_len = rte_pktmbuf_data_len(m);
+ cmdsetup.s.u.datasize = pkt_len;
+ lio_prepare_pci_cmd(lio_dev, &ndata.cmd,
+ &cmdsetup, tag);
+ ndata.cmd.cmd3.dptr = rte_mbuf_data_iova(m);
+ ndata.reqtype = LIO_REQTYPE_NORESP_NET;
+ } else {
+ struct lio_buf_free_info *finfo;
+ struct lio_gather *g;
+ phys_addr_t phyaddr;
+ int i, frags;
+
+ finfo = (struct lio_buf_free_info *)rte_malloc(NULL,
+ sizeof(*finfo), 0);
+ if (finfo == NULL) {
+ PMD_TX_LOG(lio_dev, ERR,
+ "free buffer alloc failed\n");
+ goto xmit_failed;
+ }
+
+ rte_spinlock_lock(&lio_dev->glist_lock[iq_no]);
+ g = (struct lio_gather *)list_delete_first_node(
+ &lio_dev->glist_head[iq_no]);
+ rte_spinlock_unlock(&lio_dev->glist_lock[iq_no]);
+ if (g == NULL) {
+ PMD_TX_LOG(lio_dev, ERR,
+ "Transmit scatter gather: glist null!\n");
+ goto xmit_failed;
+ }
+
+ cmdsetup.s.gather = 1;
+ cmdsetup.s.u.gatherptrs = m->nb_segs;
+ lio_prepare_pci_cmd(lio_dev, &ndata.cmd,
+ &cmdsetup, tag);
+
+ memset(g->sg, 0, g->sg_size);
+ g->sg[0].ptr[0] = rte_mbuf_data_iova(m);
+ lio_add_sg_size(&g->sg[0], m->data_len, 0);
+ pkt_len = m->data_len;
+ finfo->mbuf = m;
+
+ /* First seg taken care above */
+ frags = m->nb_segs - 1;
+ i = 1;
+ m = m->next;
+ while (frags--) {
+ g->sg[(i >> 2)].ptr[(i & 3)] =
+ rte_mbuf_data_iova(m);
+ lio_add_sg_size(&g->sg[(i >> 2)],
+ m->data_len, (i & 3));
+ pkt_len += m->data_len;
+ i++;
+ m = m->next;
+ }
+
+ phyaddr = rte_mem_virt2iova(g->sg);
+ if (phyaddr == RTE_BAD_PHYS_ADDR) {
+ PMD_TX_LOG(lio_dev, ERR, "bad phys addr\n");
+ goto xmit_failed;
+ }
+
+ ndata.cmd.cmd3.dptr = phyaddr;
+ ndata.reqtype = LIO_REQTYPE_NORESP_NET_SG;
+
+ finfo->g = g;
+ finfo->lio_dev = lio_dev;
+ finfo->iq_no = (uint64_t)iq_no;
+ ndata.buf = finfo;
+ }
+
+ ndata.datasize = pkt_len;
+
+ status = lio_send_data_pkt(lio_dev, &ndata);
+
+ if (unlikely(status == LIO_IQ_SEND_FAILED)) {
+ PMD_TX_LOG(lio_dev, ERR, "send failed\n");
+ break;
+ }
+
+ if (unlikely(status == LIO_IQ_SEND_STOP)) {
+ PMD_TX_LOG(lio_dev, DEBUG, "iq full\n");
+ /* create space as iq is full */
+ lio_dev_cleanup_iq(lio_dev, iq_no);
+ }
+
+ stats->tx_done++;
+ stats->tx_tot_bytes += pkt_len;
+ processed++;
+ }
+
+xmit_failed:
+ stats->tx_dropped += (nb_pkts - processed);
+
+ return processed;
+}
+
+void
+lio_dev_clear_queues(struct rte_eth_dev *eth_dev)
+{
+ struct lio_instr_queue *txq;
+ struct lio_droq *rxq;
+ uint16_t i;
+
+ for (i = 0; i < eth_dev->data->nb_tx_queues; i++) {
+ txq = eth_dev->data->tx_queues[i];
+ if (txq != NULL) {
+ lio_dev_tx_queue_release(txq);
+ eth_dev->data->tx_queues[i] = NULL;
+ }
+ }
+
+ for (i = 0; i < eth_dev->data->nb_rx_queues; i++) {
+ rxq = eth_dev->data->rx_queues[i];
+ if (rxq != NULL) {
+ lio_dev_rx_queue_release(rxq);
+ eth_dev->data->rx_queues[i] = NULL;
+ }
+ }
+}
git.droids-corp.org / dpdk.git / blobdiff