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-rw-r--r--src/svm/fifo_segment.c33
-rw-r--r--src/svm/fifo_segment.h9
-rw-r--r--src/svm/fifo_types.h1
-rw-r--r--src/vcl/vcl_bapi.c12
-rw-r--r--src/vcl/vcl_private.c23
-rw-r--r--src/vcl/vcl_private.h1
-rw-r--r--src/vcl/vcl_sapi.c10
7 files changed, 80 insertions, 9 deletions
diff --git a/src/svm/fifo_segment.c b/src/svm/fifo_segment.c
index 3e9aecb9dc8..76cc046efec 100644
--- a/src/svm/fifo_segment.c
+++ b/src/svm/fifo_segment.c
@@ -301,6 +301,7 @@ fifo_segment_init (fifo_segment_t * fs)
fsh->max_log2_fifo_size = min_log2 (max_fifo);
fsh->n_cached_bytes = 0;
fsh->n_reserved_bytes = fsh->byte_index;
+ fsh->start_byte_index = fsh->byte_index;
ASSERT (fsh->max_byte_index <= sh->ssvm_size - offset);
fs->max_byte_index = fsh->max_byte_index;
@@ -1054,6 +1055,38 @@ fifo_segment_msg_q_attach (fifo_segment_t *fs, uword offset, u32 mq_index)
return mq;
}
+void
+fifo_segment_msg_qs_discover (fifo_segment_t *fs, int *fds, u32 n_fds)
+{
+ svm_msg_q_shared_t *smq;
+ u32 n_mqs, size, i;
+ uword offset = 0, n_alloced;
+ svm_msg_q_t *mq;
+
+ n_mqs = fs->h->n_mqs;
+ if (n_fds && n_mqs != n_fds)
+ {
+ clib_warning ("expected %u fds got %u", n_mqs, n_fds);
+ return;
+ }
+
+ vec_validate (fs->mqs, n_mqs - 1);
+ n_alloced = fs->h->n_reserved_bytes - fs->h->start_byte_index;
+ ASSERT (n_alloced % n_mqs == 0);
+ size = n_alloced / n_mqs;
+
+ offset = fs->h->start_byte_index;
+ for (i = 0; i < n_mqs; i++)
+ {
+ mq = vec_elt_at_index (fs->mqs, i);
+ smq = (svm_msg_q_shared_t *) ((u8 *) fs->h + offset);
+ svm_msg_q_attach (mq, smq);
+ if (n_fds)
+ svm_msg_q_set_eventfd (mq, fds[i]);
+ offset += size;
+ }
+}
+
uword
fifo_segment_msg_q_offset (fifo_segment_t *fs, u32 mq_index)
{
diff --git a/src/svm/fifo_segment.h b/src/svm/fifo_segment.h
index 268b48b39f6..9d2ab281034 100644
--- a/src/svm/fifo_segment.h
+++ b/src/svm/fifo_segment.h
@@ -167,6 +167,15 @@ svm_msg_q_t *fifo_segment_msg_q_attach (fifo_segment_t *fs, uword offset,
u32 mq_index);
/**
+ * Discover mqs on mq only segment
+ *
+ * @param fs fifo segment for mq
+ * @param fds array of fds is mqs use eventfds
+ * @param n_fds number of fds
+ */
+void fifo_segment_msg_qs_discover (fifo_segment_t *fs, int *fds, u32 n_fds);
+
+/**
* Message queue offset on segment
*
* @param fs fifo segment for mq
diff --git a/src/svm/fifo_types.h b/src/svm/fifo_types.h
index 03adbd33c2c..7b844f00bfe 100644
--- a/src/svm/fifo_types.h
+++ b/src/svm/fifo_types.h
@@ -150,6 +150,7 @@ struct fifo_segment_header_
CLIB_CACHE_LINE_ALIGN_MARK (allocator);
uword byte_index;
uword max_byte_index;
+ uword start_byte_index;
CLIB_CACHE_LINE_ALIGN_MARK (slice);
fifo_segment_slice_t slices[0]; /** Fixed array of slices */
};
diff --git a/src/vcl/vcl_bapi.c b/src/vcl/vcl_bapi.c
index 48695a31a3e..618a46d0a7e 100644
--- a/src/vcl/vcl_bapi.c
+++ b/src/vcl/vcl_bapi.c
@@ -100,11 +100,6 @@ vl_api_app_attach_reply_t_handler (vl_api_app_attach_reply_t * mp)
fds[n_fds++]))
goto failed;
- vcl_segment_attach_mq (vcl_vpp_worker_segment_handle (0),
- mp->vpp_ctrl_mq, mp->vpp_ctrl_mq_thread,
- &wrk->ctrl_mq);
- vcm->ctrl_mq = wrk->ctrl_mq;
-
if (mp->fd_flags & SESSION_FD_F_MEMFD_SEGMENT)
{
segment_name = vl_api_from_api_to_new_c_string (&mp->segment_name);
@@ -126,6 +121,13 @@ vl_api_app_attach_reply_t_handler (vl_api_app_attach_reply_t * mp)
n_fds++;
}
+ vcl_segment_discover_mqs (vcl_vpp_worker_segment_handle (0), fds + n_fds,
+ mp->n_fds - n_fds);
+ vcl_segment_attach_mq (vcl_vpp_worker_segment_handle (0),
+ mp->vpp_ctrl_mq, mp->vpp_ctrl_mq_thread,
+ &wrk->ctrl_mq);
+ vcm->ctrl_mq = wrk->ctrl_mq;
+
vec_free (fds);
}
else
diff --git a/src/vcl/vcl_private.c b/src/vcl/vcl_private.c
index b9745d27e4e..85fe0a8b06e 100644
--- a/src/vcl/vcl_private.c
+++ b/src/vcl/vcl_private.c
@@ -456,6 +456,29 @@ vcl_segment_attach_mq (uword segment_handle, uword mq_offset, u32 mq_index,
return 0;
}
+int
+vcl_segment_discover_mqs (uword segment_handle, int *fds, u32 n_fds)
+{
+ fifo_segment_t *fs;
+ u32 fs_index;
+
+ fs_index = vcl_segment_table_lookup (segment_handle);
+ if (fs_index == VCL_INVALID_SEGMENT_INDEX)
+ {
+ VDBG (0, "ERROR: mq segment %lx for is not attached!", segment_handle);
+ return -1;
+ }
+
+ clib_rwlock_reader_lock (&vcm->segment_table_lock);
+
+ fs = fifo_segment_get_segment (&vcm->segment_main, fs_index);
+ fifo_segment_msg_qs_discover (fs, fds, n_fds);
+
+ clib_rwlock_reader_unlock (&vcm->segment_table_lock);
+
+ return 0;
+}
+
/*
* fd.io coding-style-patch-verification: ON
*
diff --git a/src/vcl/vcl_private.h b/src/vcl/vcl_private.h
index 7104adc4452..e4e73e0430d 100644
--- a/src/vcl/vcl_private.h
+++ b/src/vcl/vcl_private.h
@@ -699,6 +699,7 @@ int vcl_segment_attach_session (uword segment_handle, uword rxf_offset,
vcl_session_t *s);
int vcl_segment_attach_mq (uword segment_handle, uword mq_offset, u32 mq_index,
svm_msg_q_t **mq);
+int vcl_segment_discover_mqs (uword segment_handle, int *fds, u32 n_fds);
/*
* VCL Binary API
diff --git a/src/vcl/vcl_sapi.c b/src/vcl/vcl_sapi.c
index 1bab7eaba13..5258722a484 100644
--- a/src/vcl/vcl_sapi.c
+++ b/src/vcl/vcl_sapi.c
@@ -71,10 +71,6 @@ vcl_api_attach_reply_handler (app_sapi_attach_reply_msg_t * mp, int *fds)
SSVM_SEGMENT_MEMFD, fds[n_fds_used++]))
goto failed;
- vcl_segment_attach_mq (vcl_vpp_worker_segment_handle (0), mp->vpp_ctrl_mq,
- mp->vpp_ctrl_mq_thread, &wrk->ctrl_mq);
- vcm->ctrl_mq = wrk->ctrl_mq;
-
if (mp->fd_flags & SESSION_FD_F_MEMFD_SEGMENT)
{
segment_name = format (0, "memfd-%ld%c", segment_handle, 0);
@@ -93,6 +89,12 @@ vcl_api_attach_reply_handler (app_sapi_attach_reply_msg_t * mp, int *fds)
vcl_mq_epoll_add_evfd (wrk, wrk->app_event_queue);
}
+ vcl_segment_discover_mqs (vcl_vpp_worker_segment_handle (0),
+ fds + n_fds_used, mp->n_fds - n_fds_used);
+ vcl_segment_attach_mq (vcl_vpp_worker_segment_handle (0), mp->vpp_ctrl_mq,
+ mp->vpp_ctrl_mq_thread, &wrk->ctrl_mq);
+ vcm->ctrl_mq = wrk->ctrl_mq;
+
vcm->app_index = mp->app_index;
return 0;