[ovs-dev] [connmgr 09/15] ofproto: Introduce ofconn_get_ofproto() accessor function.
Ethan Jackson
ethan at nicira.com
Mon Mar 21 17:47:18 PDT 2011
I accidentally posted the following review to the wrong patch.
Reposted here for completeness.
I think you missed one in handle_role_request line 4325. Otherwise looks good.
On Tue, Mar 15, 2011 at 11:36 AM, Ben Pfaff <blp at nicira.com> wrote:
> This helps to increase the level of abstraction of "struct ofconn",
> in preparation for moving it from ofproto.c into a new file.
> ---
> ofproto/ofproto.c | 67 ++++++++++++++++++++++++++++++++++-------------------
> 1 files changed, 43 insertions(+), 24 deletions(-)
>
> diff --git a/ofproto/ofproto.c b/ofproto/ofproto.c
> index d9662c6..23069eb 100644
> --- a/ofproto/ofproto.c
> +++ b/ofproto/ofproto.c
> @@ -339,10 +339,13 @@ static struct ofconn *ofconn_create(struct ofproto *, struct rconn *,
> static void ofconn_destroy(struct ofconn *);
> static void ofconn_run(struct ofconn *);
> static void ofconn_wait(struct ofconn *);
> +
> static bool ofconn_receives_async_msgs(const struct ofconn *);
> static char *ofconn_make_name(const struct ofproto *, const char *target);
> static void ofconn_set_rate_limit(struct ofconn *, int rate, int burst);
>
> +static struct ofproto *ofconn_get_ofproto(struct ofconn *);
> +
> static void queue_tx(struct ofpbuf *msg, const struct ofconn *ofconn,
> struct rconn_packet_counter *counter);
>
> @@ -1772,8 +1775,10 @@ ofconn_create(struct ofproto *p, struct rconn *rconn, enum ofconn_type type)
> static void
> ofconn_destroy(struct ofconn *ofconn)
> {
> + struct ofproto *ofproto = ofconn_get_ofproto(ofconn);
> +
> if (ofconn->type == OFCONN_PRIMARY) {
> - hmap_remove(&ofconn->ofproto->controllers, &ofconn->hmap_node);
> + hmap_remove(&ofproto->controllers, &ofconn->hmap_node);
> }
>
> list_remove(&ofconn->node);
> @@ -1787,7 +1792,7 @@ ofconn_destroy(struct ofconn *ofconn)
> static void
> ofconn_run(struct ofconn *ofconn)
> {
> - struct ofproto *p = ofconn->ofproto;
> + struct ofproto *p = ofconn_get_ofproto(ofconn);
> int iteration;
> size_t i;
>
> @@ -1881,6 +1886,12 @@ ofconn_set_rate_limit(struct ofconn *ofconn, int rate, int burst)
> }
> }
> }
> +
> +static struct ofproto *
> +ofconn_get_ofproto(struct ofconn *ofconn)
> +{
> + return ofconn->ofproto;
> +}
>
> static void
> ofservice_reconfigure(struct ofservice *ofservice,
> @@ -2529,12 +2540,13 @@ handle_echo_request(struct ofconn *ofconn, const struct ofp_header *oh)
> static int
> handle_features_request(struct ofconn *ofconn, const struct ofp_header *oh)
> {
> + struct ofproto *ofproto = ofconn_get_ofproto(ofconn);
> struct ofp_switch_features *osf;
> struct ofpbuf *buf;
> struct ofport *port;
>
> osf = make_openflow_xid(sizeof *osf, OFPT_FEATURES_REPLY, oh->xid, &buf);
> - osf->datapath_id = htonll(ofconn->ofproto->datapath_id);
> + osf->datapath_id = htonll(ofproto->datapath_id);
> osf->n_buffers = htonl(pktbuf_capacity());
> osf->n_tables = 2;
> osf->capabilities = htonl(OFPC_FLOW_STATS | OFPC_TABLE_STATS |
> @@ -2552,7 +2564,7 @@ handle_features_request(struct ofconn *ofconn, const struct ofp_header *oh)
> (1u << OFPAT_SET_TP_DST) |
> (1u << OFPAT_ENQUEUE));
>
> - HMAP_FOR_EACH (port, hmap_node, &ofconn->ofproto->ports) {
> + HMAP_FOR_EACH (port, hmap_node, &ofproto->ports) {
> hton_ofp_phy_port(ofpbuf_put(buf, &port->opp, sizeof port->opp));
> }
>
> @@ -2563,13 +2575,14 @@ handle_features_request(struct ofconn *ofconn, const struct ofp_header *oh)
> static int
> handle_get_config_request(struct ofconn *ofconn, const struct ofp_header *oh)
> {
> + struct ofproto *ofproto = ofconn_get_ofproto(ofconn);
> struct ofpbuf *buf;
> struct ofp_switch_config *osc;
> uint16_t flags;
> bool drop_frags;
>
> /* Figure out flags. */
> - dpif_get_drop_frags(ofconn->ofproto->dpif, &drop_frags);
> + dpif_get_drop_frags(ofproto->dpif, &drop_frags);
> flags = drop_frags ? OFPC_FRAG_DROP : OFPC_FRAG_NORMAL;
>
> /* Send reply. */
> @@ -2584,15 +2597,16 @@ handle_get_config_request(struct ofconn *ofconn, const struct ofp_header *oh)
> static int
> handle_set_config(struct ofconn *ofconn, const struct ofp_switch_config *osc)
> {
> + struct ofproto *ofproto = ofconn_get_ofproto(ofconn);
> uint16_t flags = ntohs(osc->flags);
>
> if (ofconn->type == OFCONN_PRIMARY && ofconn->role != NX_ROLE_SLAVE) {
> switch (flags & OFPC_FRAG_MASK) {
> case OFPC_FRAG_NORMAL:
> - dpif_set_drop_frags(ofconn->ofproto->dpif, false);
> + dpif_set_drop_frags(ofproto->dpif, false);
> break;
> case OFPC_FRAG_DROP:
> - dpif_set_drop_frags(ofconn->ofproto->dpif, true);
> + dpif_set_drop_frags(ofproto->dpif, true);
> break;
> default:
> VLOG_WARN_RL(&rl, "requested bad fragment mode (flags=%"PRIx16")",
> @@ -3116,7 +3130,7 @@ reject_slave_controller(struct ofconn *ofconn, const const char *msg_type)
> static int
> handle_packet_out(struct ofconn *ofconn, const struct ofp_header *oh)
> {
> - struct ofproto *p = ofconn->ofproto;
> + struct ofproto *p = ofconn_get_ofproto(ofconn);
> struct ofp_packet_out *opo;
> struct ofpbuf payload, *buffer;
> union ofp_action *ofp_actions;
> @@ -3206,7 +3220,7 @@ update_port_config(struct ofproto *p, struct ofport *port,
> static int
> handle_port_mod(struct ofconn *ofconn, const struct ofp_header *oh)
> {
> - struct ofproto *p = ofconn->ofproto;
> + struct ofproto *p = ofconn_get_ofproto(ofconn);
> const struct ofp_port_mod *opm = (const struct ofp_port_mod *) oh;
> struct ofport *port;
> int error;
> @@ -3306,7 +3320,7 @@ static int
> handle_desc_stats_request(struct ofconn *ofconn,
> const struct ofp_header *request)
> {
> - struct ofproto *p = ofconn->ofproto;
> + struct ofproto *p = ofconn_get_ofproto(ofconn);
> struct ofp_desc_stats *ods;
> struct ofpbuf *msg;
>
> @@ -3327,7 +3341,7 @@ static int
> handle_table_stats_request(struct ofconn *ofconn,
> const struct ofp_header *request)
> {
> - struct ofproto *p = ofconn->ofproto;
> + struct ofproto *p = ofconn_get_ofproto(ofconn);
> struct ofp_table_stats *ots;
> struct ofpbuf *msg;
>
> @@ -3380,7 +3394,7 @@ append_port_stat(struct ofport *port, struct ofconn *ofconn,
> static int
> handle_port_stats_request(struct ofconn *ofconn, const struct ofp_header *oh)
> {
> - struct ofproto *p = ofconn->ofproto;
> + struct ofproto *p = ofconn_get_ofproto(ofconn);
> const struct ofp_port_stats_request *psr = ofputil_stats_body(oh);
> struct ofp_port_stats *ops;
> struct ofpbuf *msg;
> @@ -3476,6 +3490,7 @@ static int
> handle_flow_stats_request(struct ofconn *ofconn, const struct ofp_header *oh)
> {
> const struct ofp_flow_stats_request *fsr = ofputil_stats_body(oh);
> + struct ofproto *ofproto = ofconn_get_ofproto(ofconn);
> struct ofpbuf *reply;
>
> COVERAGE_INC(ofproto_flows_req);
> @@ -3487,7 +3502,7 @@ handle_flow_stats_request(struct ofconn *ofconn, const struct ofp_header *oh)
>
> ofputil_cls_rule_from_match(&fsr->match, 0, NXFF_OPENFLOW10, 0,
> &target);
> - cls_cursor_init(&cursor, &ofconn->ofproto->cls, &target);
> + cls_cursor_init(&cursor, &ofproto->cls, &target);
> CLS_CURSOR_FOR_EACH (rule, cr, &cursor) {
> put_ofp_flow_stats(ofconn, rule, fsr->out_port, &reply);
> }
> @@ -3539,6 +3554,7 @@ put_nx_flow_stats(struct ofconn *ofconn, struct rule *rule,
> static int
> handle_nxst_flow(struct ofconn *ofconn, const struct ofp_header *oh)
> {
> + struct ofproto *ofproto = ofconn_get_ofproto(ofconn);
> struct nx_flow_stats_request *nfsr;
> struct cls_rule target;
> struct ofpbuf *reply;
> @@ -3563,7 +3579,7 @@ handle_nxst_flow(struct ofconn *ofconn, const struct ofp_header *oh)
> struct cls_cursor cursor;
> struct rule *rule;
>
> - cls_cursor_init(&cursor, &ofconn->ofproto->cls, &target);
> + cls_cursor_init(&cursor, &ofproto->cls, &target);
> CLS_CURSOR_FOR_EACH (rule, cr, &cursor) {
> put_nx_flow_stats(ofconn, rule, nfsr->out_port, &reply);
> }
> @@ -3652,6 +3668,7 @@ handle_aggregate_stats_request(struct ofconn *ofconn,
> const struct ofp_header *oh)
> {
> const struct ofp_aggregate_stats_request *request = ofputil_stats_body(oh);
> + struct ofproto *ofproto = ofconn_get_ofproto(ofconn);
> struct ofp_aggregate_stats_reply *reply;
> struct cls_rule target;
> struct ofpbuf *msg;
> @@ -3661,7 +3678,7 @@ handle_aggregate_stats_request(struct ofconn *ofconn,
>
> msg = start_ofp_stats_reply(oh, sizeof *reply);
> reply = append_ofp_stats_reply(sizeof *reply, ofconn, &msg);
> - query_aggregate_stats(ofconn->ofproto, &target, request->out_port,
> + query_aggregate_stats(ofproto, &target, request->out_port,
> request->table_id, reply);
> queue_tx(msg, ofconn, ofconn->reply_counter);
> return 0;
> @@ -3670,6 +3687,7 @@ handle_aggregate_stats_request(struct ofconn *ofconn,
> static int
> handle_nxst_aggregate(struct ofconn *ofconn, const struct ofp_header *oh)
> {
> + struct ofproto *ofproto = ofconn_get_ofproto(ofconn);
> struct nx_aggregate_stats_request *request;
> struct ofp_aggregate_stats_reply *reply;
> struct cls_rule target;
> @@ -3693,7 +3711,7 @@ handle_nxst_aggregate(struct ofconn *ofconn, const struct ofp_header *oh)
> COVERAGE_INC(ofproto_flows_req);
> buf = start_nxstats_reply(&request->nsm, sizeof *reply);
> reply = ofpbuf_put_uninit(buf, sizeof *reply);
> - query_aggregate_stats(ofconn->ofproto, &target, request->out_port,
> + query_aggregate_stats(ofproto, &target, request->out_port,
> request->table_id, reply);
> queue_tx(buf, ofconn, ofconn->reply_counter);
>
> @@ -3751,7 +3769,7 @@ handle_queue_stats_for_port(struct ofport *port, uint32_t queue_id,
> static int
> handle_queue_stats_request(struct ofconn *ofconn, const struct ofp_header *oh)
> {
> - struct ofproto *ofproto = ofconn->ofproto;
> + struct ofproto *ofproto = ofconn_get_ofproto(ofconn);
> const struct ofp_queue_stats_request *qsr;
> struct queue_stats_cbdata cbdata;
> struct ofport *port;
> @@ -3885,7 +3903,7 @@ flow_push_stats(struct ofproto *ofproto, const struct rule *rule,
> * in which no matching flow already exists in the flow table.
> *
> * Adds the flow specified by 'ofm', which is followed by 'n_actions'
> - * ofp_actions, to ofconn->ofproto's flow table. Returns 0 on success or an
> + * ofp_actions, to the ofproto's flow table. Returns 0 on success or an
> * OpenFlow error code as encoded by ofp_mkerr() on failure.
> *
> * 'ofconn' is used to retrieve the packet buffer specified in ofm->buffer_id,
> @@ -3893,7 +3911,7 @@ flow_push_stats(struct ofproto *ofproto, const struct rule *rule,
> static int
> add_flow(struct ofconn *ofconn, struct flow_mod *fm)
> {
> - struct ofproto *p = ofconn->ofproto;
> + struct ofproto *p = ofconn_get_ofproto(ofconn);
> struct ofpbuf *packet;
> struct rule *rule;
> uint16_t in_port;
> @@ -3933,6 +3951,7 @@ static int
> send_buffered_packet(struct ofconn *ofconn,
> struct rule *rule, uint32_t buffer_id)
> {
> + struct ofproto *ofproto = ofconn_get_ofproto(ofconn);
> struct ofpbuf *packet;
> uint16_t in_port;
> int error;
> @@ -3946,7 +3965,7 @@ send_buffered_packet(struct ofconn *ofconn,
> return error;
> }
>
> - rule_execute(ofconn->ofproto, rule, in_port, packet);
> + rule_execute(ofproto, rule, in_port, packet);
>
> return 0;
> }
> @@ -3970,7 +3989,7 @@ static int modify_flow(struct ofproto *, const struct flow_mod *,
> static int
> modify_flows_loose(struct ofconn *ofconn, struct flow_mod *fm)
> {
> - struct ofproto *p = ofconn->ofproto;
> + struct ofproto *p = ofconn_get_ofproto(ofconn);
> struct rule *match = NULL;
> struct cls_cursor cursor;
> struct rule *rule;
> @@ -4002,7 +4021,7 @@ modify_flows_loose(struct ofconn *ofconn, struct flow_mod *fm)
> static int
> modify_flow_strict(struct ofconn *ofconn, struct flow_mod *fm)
> {
> - struct ofproto *p = ofconn->ofproto;
> + struct ofproto *p = ofconn_get_ofproto(ofconn);
> struct rule *rule = find_flow_strict(p, fm);
> if (rule && !rule_is_hidden(rule)) {
> modify_flow(p, fm, rule);
> @@ -4093,7 +4112,7 @@ delete_flow(struct ofproto *p, struct rule *rule, ovs_be16 out_port)
> static int
> handle_flow_mod(struct ofconn *ofconn, const struct ofp_header *oh)
> {
> - struct ofproto *p = ofconn->ofproto;
> + struct ofproto *p = ofconn_get_ofproto(ofconn);
> struct flow_mod fm;
> int error;
>
> @@ -4814,7 +4833,7 @@ static void
> schedule_packet_in(struct ofconn *ofconn, struct dpif_upcall *upcall,
> const struct flow *flow, bool clone)
> {
> - struct ofproto *ofproto = ofconn->ofproto;
> + struct ofproto *ofproto = ofconn_get_ofproto(ofconn);
> struct ofputil_packet_in pin;
> struct ofpbuf *msg;
>
> --
> 1.7.1
>
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