packet IO support inject packet and add inject packet stat

src/packet_io/dumpfile_io.cpp

@@ -274,6 +274,32 @@ void dumpfile_io_drop(struct dumpfile_io *handle, uint16_t thr_idx, struct packe
     }
 }
 
+int dumpfile_io_inject(struct dumpfile_io *handle, uint16_t thr_idx, struct packet *pkts, int nr_pkts)
+{
+    int len;
+    struct packet *pkt = NULL;
+    struct io_stat *stat = &handle->stat[thr_idx];
+
+    for (int i = 0; i < nr_pkts; i++)
+    {
+        pkt = &pkts[i];
+        len = packet_get_len(pkt);
+
+        stat->inject_pkts++;
+        stat->inject_bytes += len;
+
+        stat->raw_tx_pkts++;
+        stat->raw_tx_bytes += len;
+
+        stat->dev_tx_pkts++;
+        stat->dev_tx_bytes += len;
+
+        packet_free(pkt);
+    }
+
+    return nr_pkts;
+}
+
 void dumpfile_io_yield(struct dumpfile_io *handle, uint16_t thr_idx, uint64_t timeout_ms)
 {
     return;

src/packet_io/dumpfile_io.h

@@ -16,6 +16,7 @@ int dumpfile_io_init(struct dumpfile_io *handle, uint16_t thr_idx);
 int dumpfile_io_ingress(struct dumpfile_io *handle, uint16_t thr_idx, struct packet *pkts, int nr_pkts);
 void dumpfile_io_egress(struct dumpfile_io *handle, uint16_t thr_idx, struct packet *pkts, int nr_pkts);
 void dumpfile_io_drop(struct dumpfile_io *handle, uint16_t thr_idx, struct packet *pkts, int nr_pkts);
+int dumpfile_io_inject(struct dumpfile_io *handle, uint16_t thr_idx, struct packet *pkts, int nr_pkts);
 void dumpfile_io_yield(struct dumpfile_io *handle, uint16_t thr_idx, uint64_t timeout_ms);
 struct io_stat *dumpfile_io_stat(struct dumpfile_io *handle, uint16_t thr_idx);
 

src/packet_io/marsio_io.cpp

@@ -241,6 +241,46 @@ void marsio_io_drop(struct marsio_io *handle, uint16_t thr_idx, struct packet *p
     }
 }
 
+int marsio_io_inject(struct marsio_io *handle, uint16_t thr_idx, struct packet *pkts, int nr_pkts)
+{
+    int len;
+    int nr_inject = 0;
+    char *ptr;
+    struct packet *pkt;
+    marsio_buff_t *mbuff;
+    struct io_stat *stat = &handle->stat[thr_idx];
+
+    for (int i = 0; i < nr_pkts; i++)
+    {
+        pkt = &pkts[i];
+        len = packet_get_len(pkt);
+
+        if (marsio_buff_malloc_global(handle->mr_ins, &mbuff, 1, MARSIO_SOCKET_ID_ANY, MARSIO_LCORE_ID_ANY) < 0)
+        {
+            PACKET_IO_LOG_ERROR("unable to allocate marsio buffer for inject packet");
+            continue;
+        }
+
+        stat->inject_pkts++;
+        stat->inject_bytes += len;
+
+        stat->raw_tx_pkts++;
+        stat->raw_tx_bytes += len;
+
+        stat->dev_tx_pkts++;
+        stat->dev_tx_bytes += len;
+
+        nr_inject++;
+
+        ptr = marsio_buff_append(mbuff, len);
+        memcpy(ptr, packet_get_data(pkt), len);
+        marsio_send_burst(handle->mr_path, thr_idx, &mbuff, 1);
+        packet_free(pkt);
+    }
+
+    return nr_inject;
+}
+
 void marsio_io_yield(struct marsio_io *handle, uint16_t thr_idx, uint64_t timeout_ms)
 {
     struct mr_vdev *vdevs[1] = {

src/packet_io/marsio_io.h

@@ -16,6 +16,7 @@ int marsio_io_init(struct marsio_io *handle, uint16_t thr_idx);
 int marsio_io_ingress(struct marsio_io *handle, uint16_t thr_idx, struct packet *pkts, int nr_pkts);
 void marsio_io_egress(struct marsio_io *handle, uint16_t thr_idx, struct packet *pkts, int nr_pkts);
 void marsio_io_drop(struct marsio_io *handle, uint16_t thr_idx, struct packet *pkts, int nr_pkts);
+int marsio_io_inject(struct marsio_io *handle, uint16_t thr_idx, struct packet *pkts, int nr_pkts);
 void marsio_io_yield(struct marsio_io *handle, uint16_t thr_idx, uint64_t timeout_ms);
 struct io_stat *marsio_io_stat(struct marsio_io *handle, uint16_t thr_idx);
 

src/packet_io/packet_io.cpp

@@ -106,6 +106,18 @@ void packet_io_drop(struct packet_io *packet_io, uint16_t thr_idx, struct packet
     }
 }
 
+int packet_io_inject(struct packet_io *packet_io, uint16_t thr_idx, struct packet *pkts, int nr_pkts)
+{
+    if (likely(packet_io->mode == PACKET_IO_MARSIO))
+    {
+        return marsio_io_inject(packet_io->marsio, thr_idx, pkts, nr_pkts);
+    }
+    else
+    {
+        return dumpfile_io_inject(packet_io->dumpfile, thr_idx, pkts, nr_pkts);
+    }
+}
+
 void packet_io_yield(struct packet_io *packet_io, uint16_t thr_idx, uint64_t timeout_ms)
 {
     if (likely(packet_io->mode == PACKET_IO_MARSIO))

src/packet_io/packet_io.h

@@ -34,6 +34,10 @@ struct io_stat
     uint64_t raw_tx_pkts;
     uint64_t raw_tx_bytes;
 
+    // inject packet
+    uint64_t inject_pkts;
+    uint64_t inject_bytes;
+
     // ctrl packet
     uint64_t ctrl_rx_pkts;
     uint64_t ctrl_rx_bytes;
@@ -71,6 +75,7 @@ int packet_io_init(struct packet_io *packet_io, uint16_t thr_idx);
 int packet_io_ingress(struct packet_io *packet_io, uint16_t thr_idx, struct packet *pkts, int nr_pkts);
 void packet_io_egress(struct packet_io *packet_io, uint16_t thr_idx, struct packet *pkts, int nr_pkts);
 void packet_io_drop(struct packet_io *packet_io, uint16_t thr_idx, struct packet *pkts, int nr_pkts);
+int packet_io_inject(struct packet_io *packet_io, uint16_t thr_idx, struct packet *pkts, int nr_pkts);
 void packet_io_yield(struct packet_io *packet_io, uint16_t thr_idx, uint64_t timeout_ms);
 struct io_stat *packet_io_stat(struct packet_io *packet_io, uint16_t thr_idx);