*
*******************************************************************************/
-
/**
* @brief This file has all definitions for the Ethernet Data Interface Layer
* @file ethernet.c
#include "ethdi.h"
/* Our mbuf pools. */
-struct rte_mempool *_eth_mbuf_pool;
-struct rte_mempool *_eth_mbuf_pool_rx;
-struct rte_mempool *_eth_mbuf_pool_small;
-struct rte_mempool *_eth_mbuf_pool_big;
+struct rte_mempool *_eth_mbuf_pool = NULL;
+struct rte_mempool *_eth_mbuf_pool_inderect = NULL;
+struct rte_mempool *_eth_mbuf_pool_rx = NULL;
+struct rte_mempool *_eth_mbuf_pool_small = NULL;
+struct rte_mempool *_eth_mbuf_pool_big = NULL;
+
+struct rte_mempool *socket_direct_pool = NULL;
+struct rte_mempool *socket_indirect_pool = NULL;
+
/*
* Make sure the ring indexes are big enough to cover buf space x2
#define RINGSIZE sizeof(io_ring.buf)
#define RINGMASK (RINGSIZE - 1)
+int __xran_delayed_msg(const char *fmt, ...)
+{
+#if 0
+ va_list ap;
+ int msg_len;
+ char localbuf[RINGSIZE];
+ ring_idx old_head, new_head;
+ ring_idx copy_len;
+
+ /* first prep a copy of the message on the local stack */
+ va_start(ap, fmt);
+ msg_len = vsnprintf(localbuf, RINGSIZE, fmt, ap);
+ va_end(ap);
+
+ /* atomically reserve space in the ring */
+ for (;;) {
+ old_head = io_ring.head; /* snapshot head */
+ /* free always within range of [0, RINGSIZE] - proof by induction */
+ const ring_idx free = RINGSIZE - (old_head - io_ring.tail);
+
+ copy_len = RTE_MIN(msg_len, free);
+ if (copy_len <= 0)
+ return 0; /* vsnprintf error or ringbuff full. Drop log. */
+
+ new_head = old_head + copy_len;
+ RTE_ASSERT((ring_idx)(new_head - io_ring.tail) <= RINGSIZE);
+
+ if (likely(__atomic_compare_exchange_n(&io_ring.head, &old_head,
+ new_head, 0, __ATOMIC_ACQUIRE, __ATOMIC_RELAXED)))
+ break;
+ }
+
+ /* Now copy data in at ease. */
+ const int copy_start = (old_head & RINGMASK);
+ if (copy_start < (new_head & RINGMASK)) /* no wrap */
+ memcpy(io_ring.buf + copy_start, localbuf, copy_len);
+ else { /* wrap-around */
+ const int chunk_len = RINGSIZE - copy_start;
+
+ memcpy(io_ring.buf + copy_start, localbuf, chunk_len);
+ memcpy(io_ring.buf, localbuf + chunk_len, copy_len - chunk_len);
+ }
+
+ /* wait for previous writes to complete before updating read_head. */
+ while (io_ring.read_head != old_head)
+ rte_pause();
+ io_ring.read_head = new_head;
+
+
+ return copy_len;
+ #endif
+ return 0;
+}
/*
* Display part of the message stored in the ring buffer.
* Might require multiple calls to print the full message.
* Will return 0 when nothing left to print.
*/
+#if 0
int xran_show_delayed_message(void)
{
ring_idx tail = io_ring.tail;
return written; /* next invocation will print the rest if any */
}
-
+#endif
void xran_init_mbuf_pool(void)
{
if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
_eth_mbuf_pool = rte_pktmbuf_pool_create("mempool", NUM_MBUFS,
MBUF_CACHE, 0, MBUF_POOL_ELEMENT, rte_socket_id());
+#ifdef XRAN_ATTACH_MBUF
+ _eth_mbuf_pool_inderect = rte_pktmbuf_pool_create("mempool_indirect", NUM_MBUFS,
+ MBUF_CACHE, 0, MBUF_POOL_ELEMENT, rte_socket_id());*/
+#endif
_eth_mbuf_pool_rx = rte_pktmbuf_pool_create("mempool_rx", NUM_MBUFS,
MBUF_CACHE, 0, MBUF_POOL_ELEMENT, rte_socket_id());
_eth_mbuf_pool_small = rte_pktmbuf_pool_create("mempool_small",
NUM_MBUFS_BIG, 0, 0, MBUF_POOL_ELM_BIG, rte_socket_id());
} else {
_eth_mbuf_pool = rte_mempool_lookup("mempool");
+ _eth_mbuf_pool_inderect = rte_mempool_lookup("mempool_indirect");
_eth_mbuf_pool_rx = rte_mempool_lookup("mempool_rx");
_eth_mbuf_pool_small = rte_mempool_lookup("mempool_small");
_eth_mbuf_pool_big = rte_mempool_lookup("mempool_big");
}
if (_eth_mbuf_pool == NULL)
rte_panic("Cannot create mbuf pool: %s\n", rte_strerror(rte_errno));
+#ifdef XRAN_ATTACH_MBUF
+ if (_eth_mbuf_pool_inderect == NULL)
+ rte_panic("Cannot create mbuf pool: %s\n", rte_strerror(rte_errno));
+#endif
if (_eth_mbuf_pool_rx == NULL)
rte_panic("Cannot create mbuf pool: %s\n", rte_strerror(rte_errno));
if (_eth_mbuf_pool_small == NULL)
rte_panic("Cannot create small mbuf pool: %s\n", rte_strerror(rte_errno));
if (_eth_mbuf_pool_big == NULL)
rte_panic("Cannot create big mbuf pool: %s\n", rte_strerror(rte_errno));
+
+ if (socket_direct_pool == NULL)
+ socket_direct_pool = _eth_mbuf_pool;
+
+ if (socket_indirect_pool == NULL)
+ socket_indirect_pool = _eth_mbuf_pool_inderect;
}
/* Init NIC port, then start the port */
-void xran_init_port(int p_id, struct ether_addr *p_lls_cu_addr)
+void xran_init_port(int p_id)
{
- char buf[ETHER_ADDR_FMT_SIZE];
- struct ether_addr eth_addr;
+ static uint16_t nb_rxd = BURST_SIZE;
+ static uint16_t nb_txd = BURST_SIZE;
+ struct rte_ether_addr addr;
struct rte_eth_rxmode rxmode =
{ .split_hdr_size = 0,
.max_rx_pkt_len = MAX_RX_LEN,
- .offloads=(DEV_RX_OFFLOAD_JUMBO_FRAME|DEV_RX_OFFLOAD_CRC_STRIP)
+ .offloads=(DEV_RX_OFFLOAD_JUMBO_FRAME /*|DEV_RX_OFFLOAD_CRC_STRIP*/)
};
struct rte_eth_txmode txmode = {
.mq_mode = ETH_MQ_TX_NONE
.rxmode = rxmode,
.txmode = txmode
};
- struct ether_addr pDstEthAddr;
-
struct rte_eth_rxconf rxq_conf;
struct rte_eth_txconf txq_conf;
const char *drv_name = "";
int sock_id = rte_eth_dev_socket_id(p_id);
- // ether_format_addr(buf, sizeof(buf), p_lls_cu_addr);
- // printf("port %d set mac address %s\n", p_id, buf);
- // rte_eth_dev_default_mac_addr_set(p_id, p_lls_cu_addr);
-
rte_eth_dev_info_get(p_id, &dev_info);
if (dev_info.driver_name)
drv_name = dev_info.driver_name;
printf("initializing port %d for TX, drv=%s\n", p_id, drv_name);
- /* In order to receive packets from any server need to add broad case address
- * for the port*/
- pDstEthAddr.addr_bytes[0] = 0xFF;
- pDstEthAddr.addr_bytes[1] = 0xFF;
- pDstEthAddr.addr_bytes[2] = 0xFF;
-
- pDstEthAddr.addr_bytes[3] = 0xFF;
- pDstEthAddr.addr_bytes[4] = 0xFF;
- pDstEthAddr.addr_bytes[5] = 0xFF;
-
- rte_eth_macaddr_get(p_id, ð_addr);
- ether_format_addr(buf, sizeof(buf), ð_addr);
- printf("port %d mac address %s\n", p_id, buf);
-
- struct ether_addr addr;
rte_eth_macaddr_get(p_id, &addr);
-// rte_eth_dev_mac_addr_add(p_id, &pDstEthAddr,1);
- // rte_eth_dev_mac_addr_add(p_id, &addr, 1);
-
printf("Port %u MAC: %02"PRIx8" %02"PRIx8" %02"PRIx8
" %02"PRIx8" %02"PRIx8" %02"PRIx8"\n",
(unsigned)p_id,
if (ret < 0)
rte_panic("Cannot configure port %u (%d)\n", p_id, ret);
+ ret = rte_eth_dev_adjust_nb_rx_tx_desc(p_id, &nb_rxd,&nb_txd);
+
+ if (ret < 0) {
+ printf("\n");
+ rte_exit(EXIT_FAILURE, "Cannot adjust number of "
+ "descriptors: err=%d, port=%d\n", ret, p_id);
+ }
+ printf("Port %u: nb_rxd %d nb_txd %d\n", p_id, nb_rxd, nb_txd);
+
/* Init RX queues */
rxq_conf = dev_info.default_rxconf;
- ret = rte_eth_rx_queue_setup(p_id, 0, BURST_SIZE,
+ ret = rte_eth_rx_queue_setup(p_id, 0, nb_rxd,
sock_id, &rxq_conf, _eth_mbuf_pool_rx);
if (ret < 0)
rte_panic("Cannot init RX for port %u (%d)\n",
/* Init TX queues */
txq_conf = dev_info.default_txconf;
- ret = rte_eth_tx_queue_setup(p_id, 0, BURST_SIZE, sock_id, &txq_conf);
+ ret = rte_eth_tx_queue_setup(p_id, 0, nb_txd, sock_id, &txq_conf);
if (ret < 0)
rte_panic("Cannot init TX for port %u (%d)\n",
p_id, ret);
if (ret < 0)
rte_panic("Cannot start port %u (%d)\n", p_id, ret);
- rte_eth_promiscuous_enable(p_id);
-}
-
-void xran_memdump(void *addr, int len)
-{
- int i;
- char tmp_buf[len * 2 + len / 16 + 1];
- char *p = tmp_buf;
-
- return;
-#if 0
- for (i = 0; i < len; ++i) {
- sprintf(p, "%.2X ", ((uint8_t *)addr)[i]);
- if (i % 16 == 15)
- *p++ = '\n';
- }
- *p = 0;
- nlog("%s", tmp_buf);
-#endif
}
/* Prepend ethernet header, possibly vlan tag. */
-void xran_add_eth_hdr_vlan(struct ether_addr *dst, uint16_t ethertype, struct rte_mbuf *mb, uint16_t vlan_tci)
+void xran_add_eth_hdr_vlan(struct rte_ether_addr *dst, uint16_t ethertype, struct rte_mbuf *mb)
{
/* add in the ethernet header */
- struct ether_hdr *const h = (void *)rte_pktmbuf_prepend(mb, sizeof(*h));
+ struct rte_ether_hdr *h = (struct rte_ether_hdr *)rte_pktmbuf_mtod(mb, struct rte_ether_hdr*);
PANIC_ON(h == NULL, "mbuf prepend of ether_hdr failed");
#if defined(DPDKIO_DEBUG) && DPDKIO_DEBUG > 1
{
- char dst[ETHER_ADDR_FMT_SIZE] = "(empty)";
- char src[ETHER_ADDR_FMT_SIZE] = "(empty)";
+ char dst[RTE_ETHER_ADDR_FMT_SIZE] = "(empty)";
+ char src[RTE_ETHER_ADDR_FMT_SIZE] = "(empty)";
- nlog("*** packet for TX below (len %d) ***", rte_pktmbuf_pkt_len(mb));
- ether_format_addr(src, sizeof(src), &h->s_addr);
- ether_format_addr(dst, sizeof(dst), &h->d_addr);
- nlog("src: %s dst: %s ethertype: %.4X", src, dst, ethertype);
+ printf("*** packet for TX below (len %d) ***", rte_pktmbuf_pkt_len(mb));
+ rte_ether_format_addr(src, sizeof(src), &h->s_addr);
+ rte_ether_format_addr(dst, sizeof(dst), &h->d_addr);
+ printf("src: %s dst: %s ethertype: %.4X", src, dst, ethertype);
}
#endif
-#ifdef VLAN_SUPPORT
- mb->vlan_tci = vlan_tci;
- dlog("Inserting vlan tag of %d", vlan_tci);
- rte_vlan_insert(&mb);
-#endif
}
-int xran_send_message_burst(int dst_id, int pkt_type, void *body, int len)
-{
- struct rte_mbuf *mbufs[BURST_SIZE];
- int i;
- uint8_t *src = body;
- const struct xran_ethdi_ctx *const ctx = xran_ethdi_get_ctx();
-
- /* We're limited by maximum mbuf size on the receive size.
- * We can change this but this would be a bigger rework. */
- RTE_ASSERT(len < MBUF_POOL_ELM_BIG);
-
- /* Allocate the required number of mbufs. */
- const uint8_t count = ceilf((float)len / MAX_DATA_SIZE);
- if (rte_pktmbuf_alloc_bulk(_eth_mbuf_pool, mbufs, count) != 0)
- rte_panic("Failed to allocate %d mbufs\n", count);
-
- nlog("burst transfer with data size %lu", MAX_DATA_SIZE);
- for (i = 0; len > 0; ++i) {
- char *p;
- struct burst_hdr *bhdr;
- struct ethdi_hdr *edi_hdr;
-
- /* Setup the ethdi_hdr. */
- edi_hdr = (void *)rte_pktmbuf_append(mbufs[i], sizeof(*edi_hdr));
- if (edi_hdr == NULL)
- rte_panic("append of ethdi_hdr failed\n");
- edi_hdr->pkt_type = PKT_BURST;
- /* edi_hdr->source_id setup in tx_from_ring */
- edi_hdr->dest_id = dst_id;
-
- /* Setup the burst header */
- bhdr = (void *)rte_pktmbuf_append(mbufs[i], sizeof(*bhdr));
- if (bhdr == NULL) /* append failed. */
- rte_panic("mbuf prepend of burst_hdr failed\n");
- bhdr->original_type = pkt_type;
- bhdr->pkt_idx = i; /* save the index of the burst chunk. */
- bhdr->total_pkts = count;
-
- /* now copy in the actual data */
- const int curr_data_len = RTE_MIN(len, MAX_TX_LEN -
- rte_pktmbuf_pkt_len(mbufs[i]) - sizeof(struct ether_hdr));
- p = (void *)rte_pktmbuf_append(mbufs[i], curr_data_len);
- if (p == NULL)
- rte_panic("mbuf append of %d data bytes failed\n", curr_data_len);
- /* This copy is unavoidable, as we're splitting one big buffer
- * into multiple mbufs. */
- rte_memcpy(p, src, curr_data_len);
-
- dlog("curr_data_len[%d] = %d", i, curr_data_len);
- dlog("packet %d size %d", i, rte_pktmbuf_pkt_len(mbufs[i]));
-
- /* Update our source data pointer and remaining length. */
- len -= curr_data_len;
- src += curr_data_len;
- }
- /* Now enqueue the full prepared burst. */
- i = rte_ring_enqueue_bulk(ctx->tx_ring[0], (void **)mbufs, count, NULL);
- PANIC_ON(i != count, "failed to enqueue all mbufs: %d/%d", i, count);
- dlog("%d packets enqueued on port %d.", count, ctx->io_cfg.port);
-
- return 1;
-}
Code Review / o-du / phy.git / blobdiff