infiniband/core/smi.c

46 enum smi_action smi_handle_dr_smp_send(struct ib_smp *smp,
51 	hop_ptr = smp->hop_ptr;
52 	hop_cnt = smp->hop_cnt;
55 	if (!ib_get_smp_direction(smp)) {
58 			smp->hop_ptr++;
59 			return (smp->initial_path[smp->hop_ptr] ==
68 			/* smp->return_path set when received */
69 			smp->hop_ptr++;
70 			return (smp->initial_path[smp->hop_ptr] ==
76 			/* smp->return_path set when received */
77 			smp->hop_ptr++;
79 				smp->dr_dlid == IB_LID_PERMISSIVE ?
90 			smp->hop_ptr--;
91 			return (smp->return_path[smp->hop_ptr] ==
100 			smp->hop_ptr--;
101 			return (smp->return_path[smp->hop_ptr] ==
107 			smp->hop_ptr--;
110 				smp->dr_slid == IB_LID_PERMISSIVE ?
127 enum smi_action smi_handle_dr_smp_recv(struct ib_smp *smp, u8 node_type,
132 	hop_ptr = smp->hop_ptr;
133 	hop_cnt = smp->hop_cnt;
136 	if (!ib_get_smp_direction(smp)) {
146 			smp->return_path[hop_ptr] = port_num;
147 			/* smp->hop_ptr updated when sending */
148 			return (smp->initial_path[hop_ptr+1] <= phys_port_cnt ?
155 				smp->return_path[hop_ptr] = port_num;
156 			/* smp->hop_ptr updated when sending */
159 				smp->dr_dlid == IB_LID_PERMISSIVE ?
171 			smp->hop_ptr--;
172 			return (smp->return_path[smp->hop_ptr] ==
181 			/* smp->hop_ptr updated when sending */
182 			return (smp->return_path[hop_ptr-1] <= phys_port_cnt ?
188 			if (smp->dr_slid == IB_LID_PERMISSIVE) {
190 				smp->hop_ptr--;
193 			/* smp->hop_ptr updated when sending */
204 enum smi_forward_action smi_check_forward_dr_smp(struct ib_smp *smp)
208 	hop_ptr = smp->hop_ptr;
209 	hop_cnt = smp->hop_cnt;
211 	if (!ib_get_smp_direction(smp)) {
218 			return (smp->dr_dlid == IB_LID_PERMISSIVE ?
231 			return (smp->dr_slid != IB_LID_PERMISSIVE ?
241 int smi_get_fwd_port(struct ib_smp *smp)
243 	return (!ib_get_smp_direction(smp) ? smp->initial_path[smp->hop_ptr+1] :
244 		smp->return_path[smp->hop_ptr-1]);