diff options
Diffstat (limited to 'src/plugins/hs_apps/sapi/vpp_echo_bapi.c')
| -rw-r--r-- | src/plugins/hs_apps/sapi/vpp_echo_bapi.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/plugins/hs_apps/sapi/vpp_echo_bapi.c b/src/plugins/hs_apps/sapi/vpp_echo_bapi.c index e71c0e9adba..c643cec2ce3 100644 --- a/src/plugins/hs_apps/sapi/vpp_echo_bapi.c +++ b/src/plugins/hs_apps/sapi/vpp_echo_bapi.c @@ -262,6 +262,39 @@ echo_segment_detach (u64 segment_handle) clib_spinlock_unlock (&em->segment_handles_lock); } +int +echo_attach_session (uword segment_handle, uword rxf_offset, uword txf_offset, + echo_session_t *s) +{ + svm_fifo_shared_t *rx_fifo, *tx_fifo; + echo_main_t *em = &echo_main; + fifo_segment_t *fs; + u32 fs_index; + + fs_index = echo_segment_lookup (segment_handle); + if (fs_index == (u32) ~0) + { + ECHO_LOG (0, "ERROR: segment for session %u is not mounted!", + s->session_index); + return -1; + } + + rx_fifo = uword_to_pointer (rxf_offset, svm_fifo_shared_t *); + tx_fifo = uword_to_pointer (txf_offset, svm_fifo_shared_t *); + rx_fifo->client_session_index = s->session_index; + tx_fifo->client_session_index = s->session_index; + + clib_spinlock_lock (&em->segment_handles_lock); + + fs = fifo_segment_get_segment (&em->segment_main, fs_index); + s->rx_fifo = fifo_segment_alloc_fifo_w_shared (fs, rx_fifo); + s->tx_fifo = fifo_segment_alloc_fifo_w_shared (fs, tx_fifo); + + clib_spinlock_unlock (&em->segment_handles_lock); + + return 0; +} + /* * * Binary API callbacks |