42 int mlx4_ib_resolve_grh(struct mlx4_ib_dev *dev, const struct ib_ah_attr *ah_attr,  in mlx4_ib_resolve_grh()  argument
49 	memcpy(&in6, ah_attr->grh.dgid.raw, sizeof in6);  in mlx4_ib_resolve_grh()
61 static struct ib_ah *create_ib_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr,  in create_ib_ah()  argument
66 	ah->av.ib.port_pd = cpu_to_be32(to_mpd(pd)->pdn | (ah_attr->port_num << 24));  in create_ib_ah()
67 	ah->av.ib.g_slid  = ah_attr->src_path_bits;  in create_ib_ah()
68 	if (ah_attr->ah_flags & IB_AH_GRH) {  in create_ib_ah()
70 		ah->av.ib.gid_index = ah_attr->grh.sgid_index;  in create_ib_ah()
71 		ah->av.ib.hop_limit = ah_attr->grh.hop_limit;  in create_ib_ah()
73 			cpu_to_be32((ah_attr->grh.traffic_class << 20) |  in create_ib_ah()
74 				    ah_attr->grh.flow_label);  in create_ib_ah()
75 		memcpy(ah->av.ib.dgid, ah_attr->grh.dgid.raw, 16);  in create_ib_ah()
78 	ah->av.ib.dlid    = cpu_to_be16(ah_attr->dlid);  in create_ib_ah()
79 	if (ah_attr->static_rate) {  in create_ib_ah()
80 		ah->av.ib.stat_rate = ah_attr->static_rate + MLX4_STAT_RATE_OFFSET;  in create_ib_ah()
85 	ah->av.ib.sl_tclass_flowlabel = cpu_to_be32(ah_attr->sl << 28);  in create_ib_ah()
90 static struct ib_ah *create_iboe_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr,  in create_iboe_ah()  argument
101 	err = mlx4_ib_resolve_grh(ibdev, ah_attr, mac, &is_mcast, ah_attr->port_num);  in create_iboe_ah()
106 	err = ib_get_cached_gid(pd->device, ah_attr->port_num, ah_attr->grh.sgid_index, &sgid);  in create_iboe_ah()
111 		vlan_tag |= (ah_attr->sl & 7) << 13;  in create_iboe_ah()
112 	ah->av.eth.port_pd = cpu_to_be32(to_mpd(pd)->pdn | (ah_attr->port_num << 24));  in create_iboe_ah()
113 	ah->av.eth.gid_index = ah_attr->grh.sgid_index;  in create_iboe_ah()
115 	if (ah_attr->static_rate) {  in create_iboe_ah()
116 		ah->av.eth.stat_rate = ah_attr->static_rate + MLX4_STAT_RATE_OFFSET;  in create_iboe_ah()
128 	memcpy(ah->av.eth.dgid, ah_attr->grh.dgid.raw, 16);  in create_iboe_ah()
129 	ah->av.eth.sl_tclass_flowlabel = cpu_to_be32(ah_attr->sl << 29);  in create_iboe_ah()
134 struct ib_ah *mlx4_ib_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr)  in mlx4_ib_create_ah()  argument
143 	if (rdma_port_get_link_layer(pd->device, ah_attr->port_num) == IB_LINK_LAYER_ETHERNET) {  in mlx4_ib_create_ah()
144 		if (!(ah_attr->ah_flags & IB_AH_GRH)) {  in mlx4_ib_create_ah()
155 			ret = create_iboe_ah(pd, ah_attr, ah);  in mlx4_ib_create_ah()
163 		return create_ib_ah(pd, ah_attr, ah); /* never fails */  in mlx4_ib_create_ah()
166 int mlx4_ib_query_ah(struct ib_ah *ibah, struct ib_ah_attr *ah_attr)  in mlx4_ib_query_ah()  argument
171 	memset(ah_attr, 0, sizeof *ah_attr);  in mlx4_ib_query_ah()
172 	ah_attr->sl = be32_to_cpu(ah->av.ib.sl_tclass_flowlabel) >> 28;  in mlx4_ib_query_ah()
173 	ah_attr->port_num = be32_to_cpu(ah->av.ib.port_pd) >> 24;  in mlx4_ib_query_ah()
174 	ll = rdma_port_get_link_layer(ibah->device, ah_attr->port_num);  in mlx4_ib_query_ah()
175 	ah_attr->dlid = ll == IB_LINK_LAYER_INFINIBAND ? be16_to_cpu(ah->av.ib.dlid) : 0;  in mlx4_ib_query_ah()
177 		ah_attr->static_rate = ah->av.ib.stat_rate - MLX4_STAT_RATE_OFFSET;  in mlx4_ib_query_ah()
178 	ah_attr->src_path_bits = ah->av.ib.g_slid & 0x7F;  in mlx4_ib_query_ah()
181 		ah_attr->ah_flags = IB_AH_GRH;  in mlx4_ib_query_ah()
183 		ah_attr->grh.traffic_class =  in mlx4_ib_query_ah()
185 		ah_attr->grh.flow_label =  in mlx4_ib_query_ah()
187 		ah_attr->grh.hop_limit  = ah->av.ib.hop_limit;  in mlx4_ib_query_ah()
188 		ah_attr->grh.sgid_index = ah->av.ib.gid_index;  in mlx4_ib_query_ah()
189 		memcpy(ah_attr->grh.dgid.raw, ah->av.ib.dgid, 16);  in mlx4_ib_query_ah()