From bb6b00a2728021a498777ed5a799aa3d9b27ea09 Mon Sep 17 00:00:00 2001 From: Max Date: Wed, 20 Dec 2017 12:14:50 +0100 Subject: gtphub: make rate_ctr unique * compute unique rate counter index when allocating new gtphub tunnel * propagate rate counter allocation error to upper layers * log and gracefully handle tunnel allocation error Change-Id: I0e07f95c36de369bcd0691b8d0fd47c844abe5da Related: OS#2757 --- src/gprs/gtphub.c | 33 +++++++++++++++++++++++++-------- 1 file changed, 25 insertions(+), 8 deletions(-) diff --git a/src/gprs/gtphub.c b/src/gprs/gtphub.c index 76eebb1bc..b0e75cad2 100644 --- a/src/gprs/gtphub.c +++ b/src/gprs/gtphub.c @@ -879,14 +879,14 @@ static void gtphub_sock_close(struct osmo_fd *ofd) ofd->cb = NULL; } -static void gtphub_bind_init(struct gtphub_bind *b) +static void gtphub_bind_init(struct gtphub_bind *b, uint32_t idx) { ZERO_STRUCT(b); INIT_LLIST_HEAD(&b->peers); b->counters_io = rate_ctr_group_alloc(osmo_gtphub_ctx, - >phub_ctrg_io_desc, 0); + >phub_ctrg_io_desc, idx); OSMO_ASSERT(b->counters_io); } @@ -913,7 +913,8 @@ static int gtphub_bind_start(struct gtphub_bind *b, static void gtphub_bind_free(struct gtphub_bind *b) { OSMO_ASSERT(llist_empty(&b->peers)); - rate_ctr_group_free(b->counters_io); + if (b->counters_io) + rate_ctr_group_free(b->counters_io); } static void gtphub_bind_stop(struct gtphub_bind *b) { @@ -1107,6 +1108,14 @@ static void gtphub_tunnel_del_cb(struct expiring_item *expi) talloc_free(tun); } +#define CTR_IDX(s, p, a, b) (a + s + (p + b) * 2) + +/* rate counter index for tunnels: [3; 6] */ +#define CTR_IDX_TUN(s, p) CTR_IDX(s, p, 1, 1) + +/* rate counter index for hubs: [7; 10] */ +#define CTR_IDX_HUB(s, p) CTR_IDX(s, p, 3, 2) + static struct gtphub_tunnel *gtphub_tunnel_new() { struct gtphub_tunnel *tun; @@ -1121,8 +1130,9 @@ static struct gtphub_tunnel *gtphub_tunnel_new() struct gtphub_tunnel_endpoint *te = &tun->endpoint[side_idx][plane_idx]; te->counters_io = rate_ctr_group_alloc(osmo_gtphub_ctx, >phub_ctrg_io_desc, - 0); - OSMO_ASSERT(te->counters_io); + CTR_IDX_TUN(side_idx, plane_idx)); + if (!te->counters_io) + return NULL; } tun->expiry_entry.del_cb = gtphub_tunnel_del_cb; @@ -1486,7 +1496,13 @@ static int gtphub_handle_create_pdp_ctx(struct gtphub *hub, } /* A new tunnel. */ - p->tun = tun = gtphub_tunnel_new(); + tun = gtphub_tunnel_new(); + if (!tun) { + LOG(LOGL_ERROR, "Failed to allocate new tunnel %s <-> %s\n", + gtphub_port_str(from_ctrl), gtphub_port_str(to_ctrl)); + return -1; + } + p->tun = tun; /* Create TEI mapping */ tun->tei_repl = nr_pool_next(&hub->tei_pool); @@ -2460,7 +2476,7 @@ void gtphub_init(struct gtphub *hub) int side_idx; int plane_idx; for_each_side_and_plane(side_idx, plane_idx) { - gtphub_bind_init(&hub->to_gsns[side_idx][plane_idx]); + gtphub_bind_init(&hub->to_gsns[side_idx][plane_idx], CTR_IDX_HUB(side_idx, plane_idx)); } hub->to_gsns[GTPH_SIDE_SGSN][GTPH_PLANE_CTRL].label = "SGSN Ctrl"; @@ -2709,8 +2725,9 @@ static struct gtphub_peer_port *gtphub_addr_add_port(struct gtphub_peer_addr *a, } pp->counters_io = rate_ctr_group_alloc(osmo_gtphub_ctx, - >phub_ctrg_io_desc, 0); + >phub_ctrg_io_desc, port); if (!pp->counters_io) { + LOG(LOGL_ERROR, "Failed to allocate rate counters for %s:%u\n", gsn_addr_to_str(&a->addr), port); talloc_free(pp); return NULL; } -- cgit v1.2.3