mad.c (3dd1faf89b418f036ff664edbf04d4e266e2ceaa) mad.c (3711baf27d78475436b063f33399908ba208a8f2)
1/*
2 * Copyright(c) 2015 Intel Corporation.
3 *
4 * This file is provided under a dual BSD/GPLv2 license. When using or
5 * redistributing this file, you may do so under either license.
6 *
7 * GPL LICENSE SUMMARY
8 *

--- 31 unchanged lines hidden (view full) ---

40 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
41 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
42 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
43 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
44 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
45 *
46 */
47
1/*
2 * Copyright(c) 2015 Intel Corporation.
3 *
4 * This file is provided under a dual BSD/GPLv2 license. When using or
5 * redistributing this file, you may do so under either license.
6 *
7 * GPL LICENSE SUMMARY
8 *

--- 31 unchanged lines hidden (view full) ---

40 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
41 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
42 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
43 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
44 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
45 *
46 */
47
48#include <rdma/ib_mad.h>
48#include "mad.h"
49
50/**
51 * rvt_process_mad - process an incoming MAD packet
52 * @ibdev: the infiniband device this packet came in on
53 * @mad_flags: MAD flags
54 * @port: the port number this packet came in on
55 * @in_wc: the work completion entry for this packet

--- 22 unchanged lines hidden (view full) ---

78 * structure. More study will be needed to finalize the interface
79 * between drivers and rvt for mad packets.
80 *
81 *VT-DRIVER-API: ????
82 *
83 */
84 return IB_MAD_RESULT_FAILURE;
85}
49#include "mad.h"
50
51/**
52 * rvt_process_mad - process an incoming MAD packet
53 * @ibdev: the infiniband device this packet came in on
54 * @mad_flags: MAD flags
55 * @port: the port number this packet came in on
56 * @in_wc: the work completion entry for this packet

--- 22 unchanged lines hidden (view full) ---

79 * structure. More study will be needed to finalize the interface
80 * between drivers and rvt for mad packets.
81 *
82 *VT-DRIVER-API: ????
83 *
84 */
85 return IB_MAD_RESULT_FAILURE;
86}
87
88static void rvt_send_mad_handler(struct ib_mad_agent *agent,
89 struct ib_mad_send_wc *mad_send_wc)
90{
91 ib_free_send_mad(mad_send_wc->send_buf);
92}
93
94int rvt_create_mad_agents(struct rvt_dev_info *rdi)
95{
96 struct ib_mad_agent *agent;
97 struct rvt_ibport *rvp;
98 int p;
99 int ret;
100
101 for (p = 0; p < rdi->dparms.nports; p++) {
102 rvp = rdi->ports[p];
103 agent = ib_register_mad_agent(&rdi->ibdev, p + 1,
104 IB_QPT_SMI,
105 NULL, 0, rvt_send_mad_handler,
106 NULL, NULL, 0);
107 if (IS_ERR(agent)) {
108 ret = PTR_ERR(agent);
109 goto err;
110 }
111
112 rvp->send_agent = agent;
113
114 if (rdi->driver_f.notify_create_mad_agent)
115 rdi->driver_f.notify_create_mad_agent(rdi, p);
116 }
117
118 return 0;
119
120err:
121 for (p = 0; p < rdi->dparms.nports; p++) {
122 rvp = rdi->ports[p];
123 if (rvp->send_agent) {
124 agent = rvp->send_agent;
125 rvp->send_agent = NULL;
126 ib_unregister_mad_agent(agent);
127 if (rdi->driver_f.notify_free_mad_agent)
128 rdi->driver_f.notify_free_mad_agent(rdi, p);
129 }
130 }
131
132 return ret;
133}
134
135void rvt_free_mad_agents(struct rvt_dev_info *rdi)
136{
137 struct ib_mad_agent *agent;
138 struct rvt_ibport *rvp;
139 int p;
140
141 for (p = 0; p < rdi->dparms.nports; p++) {
142 rvp = rdi->ports[p];
143 if (rvp->send_agent) {
144 agent = rvp->send_agent;
145 rvp->send_agent = NULL;
146 ib_unregister_mad_agent(agent);
147 }
148 if (rvp->sm_ah) {
149 ib_destroy_ah(&rvp->sm_ah->ibah);
150 rvp->sm_ah = NULL;
151 }
152
153 if (rdi->driver_f.notify_free_mad_agent)
154 rdi->driver_f.notify_free_mad_agent(rdi, p);
155 }
156}
157