diff options
| author |   Jakub Grajciar <jgrajcia@cisco.com> | 2018-03-29 13:15:10 +0200 |
|---|---|---|
| committer |   Damjan Marion <dmarion.lists@gmail.com> | 2018-03-30 20:48:36 +0000 |
| commit | 3744fc7abce0cf8694d64b670589e35c6d7bf881 (patch) | |
| tree | 04f5f42458a1ab4f3f4109f890e998221b22e622 /extras/libmemif/examples/icmp_responder-epoll | |
| parent | 17ddc0fee1bc20d0da84dd70bb579c8844a48ef4 (diff) | |
libmemif: zero-copy-slave mode + header space
Slave is now able to dequeue buffers from rx queue and enqueue them to tx queue
(zero-copy operation). Slave can produce buffers with headroom, which will allow adding
encap without copy.
Change-Id: Ia189f8de1a68be787545ed46cf78d36403e7e9bf
Signed-off-by: Jakub Grajciar <jgrajcia@cisco.com>
Diffstat (limited to 'extras/libmemif/examples/icmp_responder-epoll')
| -rw-r--r-- | extras/libmemif/examples/icmp_responder-epoll/main.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/extras/libmemif/examples/icmp_responder-epoll/main.c b/extras/libmemif/examples/icmp_responder-epoll/main.c index 1dab51f4f23..fd354a38aaf 100644 --- a/extras/libmemif/examples/icmp_responder-epoll/main.c +++ b/extras/libmemif/examples/icmp_responder-epoll/main.c @@ -282,6 +282,7 @@ int on_connect (memif_conn_handle_t conn, void *private_ctx) { INFO ("memif connected!"); + memif_refill_queue (conn, 0, -1, 0); enable_log = 1; return 0; } @@ -384,6 +385,7 @@ on_interrupt (memif_conn_handle_t conn, void *private_ctx, uint16_t qid) } i = 0; + memset (c->tx_bufs, 0, sizeof (memif_buffer_t) * rx); err = memif_buffer_alloc (c->conn, qid, c->tx_bufs, rx, &tx, 128); if ((err != MEMIF_ERR_SUCCESS) && (err != MEMIF_ERR_NOBUF_RING)) { @@ -404,7 +406,7 @@ on_interrupt (memif_conn_handle_t conn, void *private_ctx, uint16_t qid) tx--; } - err = memif_refill_queue (c->conn, qid, rx); + err = memif_refill_queue (c->conn, qid, rx, 0); if (err != MEMIF_ERR_SUCCESS) INFO ("memif_buffer_free: %s", memif_strerror (err)); rx -= rx; @@ -426,7 +428,7 @@ on_interrupt (memif_conn_handle_t conn, void *private_ctx, uint16_t qid) return 0; error: - err = memif_refill_queue (c->conn, qid, rx); + err = memif_refill_queue (c->conn, qid, rx, 0); if (err != MEMIF_ERR_SUCCESS) INFO ("memif_buffer_free: %s", memif_strerror (err)); c->rx_buf_num -= rx; @@ -512,7 +514,7 @@ on_interrupt0 (memif_conn_handle_t conn, void *private_ctx, uint16_t qid) } /* mark memif buffers and shared memory buffers as free */ /* free processed buffers */ - err = memif_refill_queue (c->conn, qid, j); + err = memif_refill_queue (c->conn, qid, j, 0); if (err != MEMIF_ERR_SUCCESS) INFO ("memif_buffer_free: %s", memif_strerror (err)); rx -= j; @@ -538,7 +540,7 @@ on_interrupt0 (memif_conn_handle_t conn, void *private_ctx, uint16_t qid) return 0; error: - err = memif_refill_queue (c->conn, qid, rx); + err = memif_refill_queue (c->conn, qid, rx, 0); if (err != MEMIF_ERR_SUCCESS) INFO ("memif_buffer_free: %s", memif_strerror (err)); c->rx_buf_num -= rx; @@ -595,7 +597,7 @@ on_interrupt1 (memif_conn_handle_t conn, void *private_ctx, uint16_t qid) } } - err = memif_refill_queue (c->conn, qid, rx); + err = memif_refill_queue (c->conn, qid, rx, 0); if (err != MEMIF_ERR_SUCCESS) INFO ("memif_buffer_free: %s", memif_strerror (err)); c->rx_buf_num -= rx; @@ -607,7 +609,7 @@ on_interrupt1 (memif_conn_handle_t conn, void *private_ctx, uint16_t qid) return 0; error: - err = memif_refill_queue (c->conn, qid, rx); + err = memif_refill_queue (c->conn, qid, rx, 0); if (err != MEMIF_ERR_SUCCESS) INFO ("memif_buffer_free: %s", memif_strerror (err)); c->rx_buf_num -= rx; |