diff options
Diffstat (limited to 'src/vlib/main.c')
-rw-r--r-- | src/vlib/main.c | 81 |
1 files changed, 37 insertions, 44 deletions
diff --git a/src/vlib/main.c b/src/vlib/main.c index 055ea93cec1..0786465e0e4 100644 --- a/src/vlib/main.c +++ b/src/vlib/main.c @@ -117,7 +117,7 @@ get_frame_size_info (vlib_node_main_t * nm, #endif } -static u32 +static vlib_frame_t * vlib_frame_alloc_to_node (vlib_main_t * vm, u32 to_node_index, u32 frame_flags) { @@ -125,7 +125,7 @@ vlib_frame_alloc_to_node (vlib_main_t * vm, u32 to_node_index, vlib_frame_size_t *fs; vlib_node_t *to_node; vlib_frame_t *f; - u32 fi, l, n, scalar_size, vector_size; + u32 l, n, scalar_size, vector_size; to_node = vlib_get_node (vm, to_node_index); @@ -134,17 +134,15 @@ vlib_frame_alloc_to_node (vlib_main_t * vm, u32 to_node_index, fs = get_frame_size_info (nm, scalar_size, vector_size); n = vlib_frame_bytes (scalar_size, vector_size); - if ((l = vec_len (fs->free_frame_indices)) > 0) + if ((l = vec_len (fs->free_frames)) > 0) { /* Allocate from end of free list. */ - fi = fs->free_frame_indices[l - 1]; - f = vlib_get_frame_no_check (vm, fi); - _vec_len (fs->free_frame_indices) = l - 1; + f = fs->free_frames[l - 1]; + _vec_len (fs->free_frames) = l - 1; } else { f = clib_mem_alloc_aligned_no_fail (n, VLIB_FRAME_ALIGN); - fi = vlib_frame_index_no_check (vm, f); } /* Poison frame when debugging. */ @@ -167,12 +165,12 @@ vlib_frame_alloc_to_node (vlib_main_t * vm, u32 to_node_index, fs->n_alloc_frames += 1; - return fi; + return f; } /* Allocate a frame for from FROM_NODE to TO_NODE via TO_NEXT_INDEX. Returns frame index. */ -static u32 +static vlib_frame_t * vlib_frame_alloc (vlib_main_t * vm, vlib_node_runtime_t * from_node_runtime, u32 to_next_index) { @@ -188,10 +186,10 @@ vlib_frame_alloc (vlib_main_t * vm, vlib_node_runtime_t * from_node_runtime, vlib_frame_t * vlib_get_frame_to_node (vlib_main_t * vm, u32 to_node_index) { - u32 fi = vlib_frame_alloc_to_node (vm, to_node_index, - /* frame_flags */ - VLIB_FRAME_FREE_AFTER_DISPATCH); - return vlib_get_frame (vm, fi); + vlib_frame_t *f = vlib_frame_alloc_to_node (vm, to_node_index, + /* frame_flags */ + VLIB_FRAME_FREE_AFTER_DISPATCH); + return vlib_get_frame (vm, f); } void @@ -208,7 +206,7 @@ vlib_put_frame_to_node (vlib_main_t * vm, u32 to_node_index, vlib_frame_t * f) vec_add2 (vm->node_main.pending_frames, p, 1); f->frame_flags |= VLIB_FRAME_PENDING; - p->frame_index = vlib_frame_index (vm, f); + p->frame = vlib_get_frame (vm, f); p->node_runtime_index = to_node->runtime_index; p->next_frame_index = VLIB_PENDING_FRAME_NO_NEXT_FRAME; } @@ -220,28 +218,24 @@ vlib_frame_free (vlib_main_t * vm, vlib_node_runtime_t * r, vlib_frame_t * f) vlib_node_main_t *nm = &vm->node_main; vlib_node_t *node; vlib_frame_size_t *fs; - u32 frame_index; ASSERT (f->frame_flags & VLIB_FRAME_IS_ALLOCATED); node = vlib_get_node (vm, r->node_index); fs = get_frame_size_info (nm, node->scalar_size, node->vector_size); - frame_index = vlib_frame_index (vm, f); - ASSERT (f->frame_flags & VLIB_FRAME_IS_ALLOCATED); /* No next frames may point to freed frame. */ if (CLIB_DEBUG > 0) { vlib_next_frame_t *nf; - vec_foreach (nf, vm->node_main.next_frames) - ASSERT (nf->frame_index != frame_index); + vec_foreach (nf, vm->node_main.next_frames) ASSERT (nf->frame != f); } f->frame_flags &= ~(VLIB_FRAME_IS_ALLOCATED | VLIB_FRAME_NO_APPEND); - vec_add1 (fs->free_frame_indices, frame_index); + vec_add1 (fs->free_frames, f); ASSERT (fs->n_alloc_frames > 0); fs->n_alloc_frames -= 1; } @@ -257,7 +251,7 @@ show_frame_stats (vlib_main_t * vm, vec_foreach (fs, nm->frame_sizes) { u32 n_alloc = fs->n_alloc_frames; - u32 n_free = vec_len (fs->free_frame_indices); + u32 n_free = vec_len (fs->free_frames); if (n_alloc + n_free > 0) vlib_cli_output (vm, "%=6d%=12d%=12d", @@ -321,11 +315,11 @@ vlib_next_frame_change_ownership (vlib_main_t * vm, if (next_frame->flags & VLIB_FRAME_PENDING) { vlib_pending_frame_t *p; - if (next_frame->frame_index != ~0) + if (next_frame->frame != NULL) { vec_foreach (p, nm->pending_frames) { - if (p->frame_index == next_frame->frame_index) + if (p->frame == next_frame->frame) { p->next_frame_index = next_frame - vm->node_main.next_frames; @@ -377,11 +371,11 @@ vlib_get_next_frame_internal (vlib_main_t * vm, /* ??? Don't need valid flag: can use frame_index == ~0 */ if (PREDICT_FALSE (!(nf->flags & VLIB_FRAME_IS_ALLOCATED))) { - nf->frame_index = vlib_frame_alloc (vm, node, next_index); + nf->frame = vlib_frame_alloc (vm, node, next_index); nf->flags |= VLIB_FRAME_IS_ALLOCATED; } - f = vlib_get_frame (vm, nf->frame_index); + f = nf->frame; /* Has frame been removed from pending vector (e.g. finished dispatching)? If so we can reuse frame. */ @@ -403,13 +397,12 @@ vlib_get_next_frame_internal (vlib_main_t * vm, two redundant frames from node -> next node. */ if (!(nf->flags & VLIB_FRAME_NO_FREE_AFTER_DISPATCH)) { - vlib_frame_t *f_old = vlib_get_frame (vm, nf->frame_index); + vlib_frame_t *f_old = vlib_get_frame (vm, nf->frame); f_old->frame_flags |= VLIB_FRAME_FREE_AFTER_DISPATCH; } /* Allocate new frame to replace full one. */ - nf->frame_index = vlib_frame_alloc (vm, node, next_index); - f = vlib_get_frame (vm, nf->frame_index); + f = nf->frame = vlib_frame_alloc (vm, node, next_index); n_used = f->n_vectors; } @@ -438,7 +431,7 @@ vlib_put_next_frame_validate (vlib_main_t * vm, u32 n_before, n_after; nf = vlib_node_runtime_get_next_frame (vm, rt, next_index); - f = vlib_get_frame (vm, nf->frame_index); + f = vlib_get_frame (vm, nf->frame); ASSERT (n_vectors_left <= VLIB_FRAME_SIZE); n_after = VLIB_FRAME_SIZE - n_vectors_left; @@ -475,7 +468,7 @@ vlib_put_next_frame (vlib_main_t * vm, vlib_put_next_frame_validate (vm, r, next_index, n_vectors_left); nf = vlib_node_runtime_get_next_frame (vm, r, next_index); - f = vlib_get_frame (vm, nf->frame_index); + f = vlib_get_frame (vm, nf->frame); /* Make sure that magic number is still there. Otherwise, caller has overrun frame meta data. */ @@ -511,7 +504,7 @@ vlib_put_next_frame (vlib_main_t * vm, vec_add2 (nm->pending_frames, p, 1); - p->frame_index = nf->frame_index; + p->frame = nf->frame; p->node_runtime_index = nf->node_runtime_index; p->next_frame_index = nf - nm->next_frames; nf->flags |= VLIB_FRAME_PENDING; @@ -525,7 +518,7 @@ vlib_put_next_frame (vlib_main_t * vm, */ if (0 && r->thread_index != next_runtime->thread_index) { - nf->frame_index = ~0; + nf->frame = NULL; nf->flags &= ~(VLIB_FRAME_PENDING | VLIB_FRAME_IS_ALLOCATED); } } @@ -1335,7 +1328,7 @@ dispatch_pending_node (vlib_main_t * vm, uword pending_frame_index, vlib_frame_t *f; vlib_next_frame_t *nf, nf_dummy; vlib_node_runtime_t *n; - u32 restore_frame_index; + vlib_frame_t *restore_frame; vlib_pending_frame_t *p; /* See comment below about dangling references to nm->pending_frames */ @@ -1344,13 +1337,13 @@ dispatch_pending_node (vlib_main_t * vm, uword pending_frame_index, n = vec_elt_at_index (nm->nodes_by_type[VLIB_NODE_TYPE_INTERNAL], p->node_runtime_index); - f = vlib_get_frame (vm, p->frame_index); + f = vlib_get_frame (vm, p->frame); if (p->next_frame_index == VLIB_PENDING_FRAME_NO_NEXT_FRAME) { /* No next frame: so use dummy on stack. */ nf = &nf_dummy; nf->flags = f->frame_flags & VLIB_NODE_FLAG_TRACE; - nf->frame_index = ~p->frame_index; + nf->frame = NULL; } else nf = vec_elt_at_index (nm->next_frames, p->next_frame_index); @@ -1359,13 +1352,13 @@ dispatch_pending_node (vlib_main_t * vm, uword pending_frame_index, /* Force allocation of new frame while current frame is being dispatched. */ - restore_frame_index = ~0; - if (nf->frame_index == p->frame_index) + restore_frame = NULL; + if (nf->frame == p->frame) { - nf->frame_index = ~0; + nf->frame = NULL; nf->flags &= ~VLIB_FRAME_IS_ALLOCATED; if (!(n->flags & VLIB_NODE_FLAG_FRAME_NO_FREE_AFTER_DISPATCH)) - restore_frame_index = p->frame_index; + restore_frame = p->frame; } /* Frame must be pending. */ @@ -1387,7 +1380,7 @@ dispatch_pending_node (vlib_main_t * vm, uword pending_frame_index, f->frame_flags &= ~(VLIB_FRAME_PENDING | VLIB_FRAME_NO_APPEND); /* Frame is ready to be used again, so restore it. */ - if (restore_frame_index != ~0) + if (restore_frame != NULL) { /* * We musn't restore a frame that is flagged to be freed. This @@ -1415,10 +1408,10 @@ dispatch_pending_node (vlib_main_t * vm, uword pending_frame_index, nf = vec_elt_at_index (nm->next_frames, p->next_frame_index); nf->flags |= VLIB_FRAME_IS_ALLOCATED; - if (~0 == nf->frame_index) + if (NULL == nf->frame) { /* no new frame has been assigned to this node, use the saved one */ - nf->frame_index = restore_frame_index; + nf->frame = restore_frame; f->n_vectors = 0; } else @@ -1552,7 +1545,7 @@ dispatch_process (vlib_main_t * vm, n_vectors = 0; pool_get (nm->suspended_process_frames, pf); pf->node_runtime_index = node->runtime_index; - pf->frame_index = f ? vlib_frame_index (vm, f) : ~0; + pf->frame = f; pf->next_frame_index = ~0; p->n_suspends += 1; @@ -1620,7 +1613,7 @@ dispatch_suspended_process (vlib_main_t * vm, node_runtime = &p->node_runtime; node = vlib_get_node (vm, node_runtime->node_index); - f = pf->frame_index != ~0 ? vlib_get_frame (vm, pf->frame_index) : 0; + f = pf->frame; vlib_elog_main_loop_event (vm, node_runtime->node_index, t, f ? f->n_vectors : 0, /* is_after */ 0); |