diff options
| author |   Mohsin Kazmi <sykazmi@cisco.com> | 2022-07-27 13:43:07 +0000 |
|---|---|---|
| committer |   Beno�t Ganne <bganne@cisco.com> | 2022-08-29 07:07:07 +0000 |
| commit | 8a34484057895cb583f46915274de71550ac0f2d (patch) | |
| tree | 22f667548e9feef49543dde83be542b71b37594e /extras/libmemif/src | |
| parent | 6e284ef6ce66d3fa2fdd562dfe7e6ba65bd5a508 (diff) | |
libmemif: fix the buffer size
Type: fix
Previously, libmemif can only use buffer size which
have to be power of 2. memif protocol does not enforce
this. This patch fixes this issue.
Signed-off-by: Mohsin Kazmi <sykazmi@cisco.com>
Change-Id: Ic71e6a51685e2c2228c744920797064d4c7c65c9
Diffstat (limited to 'extras/libmemif/src')
| -rw-r--r-- | extras/libmemif/src/main.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/extras/libmemif/src/main.c b/extras/libmemif/src/main.c index 2a4cd817a65..e735ee35fb1 100644 --- a/extras/libmemif/src/main.c +++ b/extras/libmemif/src/main.c @@ -1545,7 +1545,6 @@ memif_buffer_alloc (memif_conn_handle_t conn, uint16_t qid, memif_ring_t *ring = mq->ring; memif_buffer_t *b0; uint16_t mask = (1 << mq->log2_ring_size) - 1; - uint32_t offset_mask = c->run_args.buffer_size - 1; uint16_t ring_size; uint16_t ns; int err = MEMIF_ERR_SUCCESS; /* 0 */ @@ -1620,7 +1619,7 @@ memif_buffer_alloc (memif_conn_handle_t conn, uint16_t qid, if (ms->get_external_buffer_offset) d->offset = ms->get_external_buffer_offset (c->private_ctx); else - d->offset = d->offset - (d->offset & offset_mask); + d->offset = d->offset - (d->offset % c->run_args.buffer_size); } b0->data = memif_get_buffer (c, ring, mq->next_buf & mask); @@ -1666,7 +1665,6 @@ memif_refill_queue (memif_conn_handle_t conn, uint16_t qid, uint16_t count, memif_queue_t *mq = &c->rx_queues[qid]; memif_ring_t *ring = mq->ring; uint16_t mask = (1 << mq->log2_ring_size) - 1; - uint32_t offset_mask = c->run_args.buffer_size - 1; uint16_t slot, counter = 0; if (c->args.is_master) @@ -1692,7 +1690,8 @@ memif_refill_queue (memif_conn_handle_t conn, uint16_t qid, uint16_t count, if (ms->get_external_buffer_offset) d->offset = ms->get_external_buffer_offset (c->private_ctx); else - d->offset = d->offset - (d->offset & offset_mask) + headroom; + d->offset = + d->offset - (d->offset % c->run_args.buffer_size) + headroom; slot++; counter++; } @@ -1723,7 +1722,6 @@ memif_tx_burst (memif_conn_handle_t conn, uint16_t qid, memif_queue_t *mq = &c->tx_queues[qid]; memif_ring_t *ring = mq->ring; uint16_t mask = (1 << mq->log2_ring_size) - 1; - uint32_t offset_mask = c->run_args.buffer_size - 1; memif_buffer_t *b0; memif_desc_t *d; int64_t data_offset; @@ -1756,7 +1754,7 @@ memif_tx_burst (memif_conn_handle_t conn, uint16_t qid, if (!c->args.is_master) { // reset headroom - d->offset = d->offset - (d->offset & offset_mask); + d->offset = d->offset - (d->offset % c->run_args.buffer_size); // calculate offset from user data data_offset = b0->data - (d->offset + c->regions[d->region].addr); if (data_offset != 0) |