diff mbox series

RDMA/irdma: Fix missing error code in irdma_modify_qp_roce()

Message ID 1627036373-69929-1-git-send-email-jiapeng.chong@linux.alibaba.com (mailing list archive)
State Superseded
Headers show
Series RDMA/irdma: Fix missing error code in irdma_modify_qp_roce() | expand

Commit Message

Jiapeng Chong July 23, 2021, 10:32 a.m. UTC 
From: chongjiapeng <jiapeng.chong@linux.alibaba.com>

The error code is missing in this code scenario, add the error code
'-EINVAL' to the return value 'ret'.

Eliminate the follow smatch warning:

drivers/infiniband/hw/irdma/verbs.c:1344 irdma_modify_qp_roce() warn:
missing error code 'ret'.

Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Fixes: b48c24c2d710 ("RDMA/irdma: Implement device supported verb APIs")
Signed-off-by: chongjiapeng <jiapeng.chong@linux.alibaba.com>
---
 drivers/infiniband/hw/irdma/verbs.c | 1 +
 1 file changed, 1 insertion(+)

Comments

kernel test robot July 23, 2021, 4:36 p.m. UTC | #1 
Hi Jiapeng,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on rdma/for-next]
[also build test WARNING on v5.14-rc2 next-20210723]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Jiapeng-Chong/RDMA-irdma-Fix-missing-error-code-in-irdma_modify_qp_roce/20210723-183422
base:   https://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma.git for-next
config: x86_64-randconfig-a003-20210723 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 9625ca5b602616b2f5584e8a49ba93c52c141e40)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install x86_64 cross compiling tool for clang build
        # apt-get install binutils-x86-64-linux-gnu
        # https://github.com/0day-ci/linux/commit/c4d5794806c724fafed155d5d1186fc7cecba055
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Jiapeng-Chong/RDMA-irdma-Fix-missing-error-code-in-irdma_modify_qp_roce/20210723-183422
        git checkout c4d5794806c724fafed155d5d1186fc7cecba055
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

>> drivers/infiniband/hw/irdma/verbs.c:1347:5: warning: misleading indentation; statement is not part of the previous 'if' [-Wmisleading-indentation]
                                   goto exit;
                                   ^
   drivers/infiniband/hw/irdma/verbs.c:1345:4: note: previous statement is here
                           if (iwqp->iwarp_state == IRDMA_QP_STATE_SQD)
                           ^
   1 warning generated.


vim +/if +1347 drivers/infiniband/hw/irdma/verbs.c

b48c24c2d710cf Mustafa Ismail 2021-06-02  1106  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1107  /**
b48c24c2d710cf Mustafa Ismail 2021-06-02  1108   * irdma_modify_qp_roce - modify qp request
b48c24c2d710cf Mustafa Ismail 2021-06-02  1109   * @ibqp: qp's pointer for modify
b48c24c2d710cf Mustafa Ismail 2021-06-02  1110   * @attr: access attributes
b48c24c2d710cf Mustafa Ismail 2021-06-02  1111   * @attr_mask: state mask
b48c24c2d710cf Mustafa Ismail 2021-06-02  1112   * @udata: user data
b48c24c2d710cf Mustafa Ismail 2021-06-02  1113   */
b48c24c2d710cf Mustafa Ismail 2021-06-02  1114  int irdma_modify_qp_roce(struct ib_qp *ibqp, struct ib_qp_attr *attr,
b48c24c2d710cf Mustafa Ismail 2021-06-02  1115  			 int attr_mask, struct ib_udata *udata)
b48c24c2d710cf Mustafa Ismail 2021-06-02  1116  {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1117  	struct irdma_pd *iwpd = to_iwpd(ibqp->pd);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1118  	struct irdma_qp *iwqp = to_iwqp(ibqp);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1119  	struct irdma_device *iwdev = iwqp->iwdev;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1120  	struct irdma_sc_dev *dev = &iwdev->rf->sc_dev;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1121  	struct irdma_qp_host_ctx_info *ctx_info;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1122  	struct irdma_roce_offload_info *roce_info;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1123  	struct irdma_udp_offload_info *udp_info;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1124  	struct irdma_modify_qp_info info = {};
b48c24c2d710cf Mustafa Ismail 2021-06-02  1125  	struct irdma_modify_qp_resp uresp = {};
b48c24c2d710cf Mustafa Ismail 2021-06-02  1126  	struct irdma_modify_qp_req ureq = {};
b48c24c2d710cf Mustafa Ismail 2021-06-02  1127  	unsigned long flags;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1128  	u8 issue_modify_qp = 0;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1129  	int ret = 0;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1130  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1131  	ctx_info = &iwqp->ctx_info;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1132  	roce_info = &iwqp->roce_info;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1133  	udp_info = &iwqp->udp_info;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1134  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1135  	if (attr_mask & ~IB_QP_ATTR_STANDARD_BITS)
b48c24c2d710cf Mustafa Ismail 2021-06-02  1136  		return -EOPNOTSUPP;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1137  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1138  	if (attr_mask & IB_QP_DEST_QPN)
b48c24c2d710cf Mustafa Ismail 2021-06-02  1139  		roce_info->dest_qp = attr->dest_qp_num;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1140  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1141  	if (attr_mask & IB_QP_PKEY_INDEX) {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1142  		ret = irdma_query_pkey(ibqp->device, 0, attr->pkey_index,
b48c24c2d710cf Mustafa Ismail 2021-06-02  1143  				       &roce_info->p_key);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1144  		if (ret)
b48c24c2d710cf Mustafa Ismail 2021-06-02  1145  			return ret;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1146  	}
b48c24c2d710cf Mustafa Ismail 2021-06-02  1147  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1148  	if (attr_mask & IB_QP_QKEY)
b48c24c2d710cf Mustafa Ismail 2021-06-02  1149  		roce_info->qkey = attr->qkey;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1150  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1151  	if (attr_mask & IB_QP_PATH_MTU)
b48c24c2d710cf Mustafa Ismail 2021-06-02  1152  		udp_info->snd_mss = ib_mtu_enum_to_int(attr->path_mtu);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1153  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1154  	if (attr_mask & IB_QP_SQ_PSN) {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1155  		udp_info->psn_nxt = attr->sq_psn;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1156  		udp_info->lsn =  0xffff;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1157  		udp_info->psn_una = attr->sq_psn;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1158  		udp_info->psn_max = attr->sq_psn;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1159  	}
b48c24c2d710cf Mustafa Ismail 2021-06-02  1160  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1161  	if (attr_mask & IB_QP_RQ_PSN)
b48c24c2d710cf Mustafa Ismail 2021-06-02  1162  		udp_info->epsn = attr->rq_psn;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1163  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1164  	if (attr_mask & IB_QP_RNR_RETRY)
b48c24c2d710cf Mustafa Ismail 2021-06-02  1165  		udp_info->rnr_nak_thresh = attr->rnr_retry;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1166  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1167  	if (attr_mask & IB_QP_RETRY_CNT)
b48c24c2d710cf Mustafa Ismail 2021-06-02  1168  		udp_info->rexmit_thresh = attr->retry_cnt;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1169  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1170  	ctx_info->roce_info->pd_id = iwpd->sc_pd.pd_id;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1171  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1172  	if (attr_mask & IB_QP_AV) {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1173  		struct irdma_av *av = &iwqp->roce_ah.av;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1174  		const struct ib_gid_attr *sgid_attr;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1175  		u16 vlan_id = VLAN_N_VID;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1176  		u32 local_ip[4];
b48c24c2d710cf Mustafa Ismail 2021-06-02  1177  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1178  		memset(&iwqp->roce_ah, 0, sizeof(iwqp->roce_ah));
b48c24c2d710cf Mustafa Ismail 2021-06-02  1179  		if (attr->ah_attr.ah_flags & IB_AH_GRH) {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1180  			udp_info->ttl = attr->ah_attr.grh.hop_limit;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1181  			udp_info->flow_label = attr->ah_attr.grh.flow_label;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1182  			udp_info->tos = attr->ah_attr.grh.traffic_class;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1183  			irdma_qp_rem_qos(&iwqp->sc_qp);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1184  			dev->ws_remove(iwqp->sc_qp.vsi, ctx_info->user_pri);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1185  			ctx_info->user_pri = rt_tos2priority(udp_info->tos);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1186  			iwqp->sc_qp.user_pri = ctx_info->user_pri;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1187  			if (dev->ws_add(iwqp->sc_qp.vsi, ctx_info->user_pri))
b48c24c2d710cf Mustafa Ismail 2021-06-02  1188  				return -ENOMEM;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1189  			irdma_qp_add_qos(&iwqp->sc_qp);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1190  		}
b48c24c2d710cf Mustafa Ismail 2021-06-02  1191  		sgid_attr = attr->ah_attr.grh.sgid_attr;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1192  		ret = rdma_read_gid_l2_fields(sgid_attr, &vlan_id,
b48c24c2d710cf Mustafa Ismail 2021-06-02  1193  					      ctx_info->roce_info->mac_addr);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1194  		if (ret)
b48c24c2d710cf Mustafa Ismail 2021-06-02  1195  			return ret;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1196  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1197  		if (vlan_id >= VLAN_N_VID && iwdev->dcb)
b48c24c2d710cf Mustafa Ismail 2021-06-02  1198  			vlan_id = 0;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1199  		if (vlan_id < VLAN_N_VID) {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1200  			udp_info->insert_vlan_tag = true;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1201  			udp_info->vlan_tag = vlan_id |
b48c24c2d710cf Mustafa Ismail 2021-06-02  1202  				ctx_info->user_pri << VLAN_PRIO_SHIFT;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1203  		} else {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1204  			udp_info->insert_vlan_tag = false;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1205  		}
b48c24c2d710cf Mustafa Ismail 2021-06-02  1206  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1207  		av->attrs = attr->ah_attr;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1208  		rdma_gid2ip((struct sockaddr *)&av->sgid_addr, &sgid_attr->gid);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1209  		rdma_gid2ip((struct sockaddr *)&av->dgid_addr, &attr->ah_attr.grh.dgid);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1210  		roce_info->local_qp = ibqp->qp_num;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1211  		if (av->sgid_addr.saddr.sa_family == AF_INET6) {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1212  			__be32 *daddr =
b48c24c2d710cf Mustafa Ismail 2021-06-02  1213  				av->dgid_addr.saddr_in6.sin6_addr.in6_u.u6_addr32;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1214  			__be32 *saddr =
b48c24c2d710cf Mustafa Ismail 2021-06-02  1215  				av->sgid_addr.saddr_in6.sin6_addr.in6_u.u6_addr32;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1216  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1217  			irdma_copy_ip_ntohl(&udp_info->dest_ip_addr[0], daddr);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1218  			irdma_copy_ip_ntohl(&udp_info->local_ipaddr[0], saddr);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1219  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1220  			udp_info->ipv4 = false;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1221  			irdma_copy_ip_ntohl(local_ip, daddr);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1222  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1223  			udp_info->arp_idx = irdma_arp_table(iwdev->rf,
b48c24c2d710cf Mustafa Ismail 2021-06-02  1224  							    &local_ip[0],
b48c24c2d710cf Mustafa Ismail 2021-06-02  1225  							    false, NULL,
b48c24c2d710cf Mustafa Ismail 2021-06-02  1226  							    IRDMA_ARP_RESOLVE);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1227  		} else {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1228  			__be32 saddr = av->sgid_addr.saddr_in.sin_addr.s_addr;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1229  			__be32 daddr = av->dgid_addr.saddr_in.sin_addr.s_addr;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1230  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1231  			local_ip[0] = ntohl(daddr);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1232  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1233  			udp_info->ipv4 = true;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1234  			udp_info->dest_ip_addr[0] = 0;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1235  			udp_info->dest_ip_addr[1] = 0;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1236  			udp_info->dest_ip_addr[2] = 0;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1237  			udp_info->dest_ip_addr[3] = local_ip[0];
b48c24c2d710cf Mustafa Ismail 2021-06-02  1238  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1239  			udp_info->local_ipaddr[0] = 0;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1240  			udp_info->local_ipaddr[1] = 0;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1241  			udp_info->local_ipaddr[2] = 0;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1242  			udp_info->local_ipaddr[3] = ntohl(saddr);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1243  		}
b48c24c2d710cf Mustafa Ismail 2021-06-02  1244  		udp_info->arp_idx =
b48c24c2d710cf Mustafa Ismail 2021-06-02  1245  			irdma_add_arp(iwdev->rf, local_ip, udp_info->ipv4,
b48c24c2d710cf Mustafa Ismail 2021-06-02  1246  				      attr->ah_attr.roce.dmac);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1247  	}
b48c24c2d710cf Mustafa Ismail 2021-06-02  1248  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1249  	if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC) {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1250  		if (attr->max_rd_atomic > dev->hw_attrs.max_hw_ord) {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1251  			ibdev_err(&iwdev->ibdev,
b48c24c2d710cf Mustafa Ismail 2021-06-02  1252  				  "rd_atomic = %d, above max_hw_ord=%d\n",
b48c24c2d710cf Mustafa Ismail 2021-06-02  1253  				  attr->max_rd_atomic,
b48c24c2d710cf Mustafa Ismail 2021-06-02  1254  				  dev->hw_attrs.max_hw_ord);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1255  			return -EINVAL;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1256  		}
b48c24c2d710cf Mustafa Ismail 2021-06-02  1257  		if (attr->max_rd_atomic)
b48c24c2d710cf Mustafa Ismail 2021-06-02  1258  			roce_info->ord_size = attr->max_rd_atomic;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1259  		info.ord_valid = true;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1260  	}
b48c24c2d710cf Mustafa Ismail 2021-06-02  1261  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1262  	if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1263  		if (attr->max_dest_rd_atomic > dev->hw_attrs.max_hw_ird) {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1264  			ibdev_err(&iwdev->ibdev,
b48c24c2d710cf Mustafa Ismail 2021-06-02  1265  				  "rd_atomic = %d, above max_hw_ird=%d\n",
b48c24c2d710cf Mustafa Ismail 2021-06-02  1266  				   attr->max_rd_atomic,
b48c24c2d710cf Mustafa Ismail 2021-06-02  1267  				   dev->hw_attrs.max_hw_ird);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1268  			return -EINVAL;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1269  		}
b48c24c2d710cf Mustafa Ismail 2021-06-02  1270  		if (attr->max_dest_rd_atomic)
b48c24c2d710cf Mustafa Ismail 2021-06-02  1271  			roce_info->ird_size = attr->max_dest_rd_atomic;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1272  	}
b48c24c2d710cf Mustafa Ismail 2021-06-02  1273  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1274  	if (attr_mask & IB_QP_ACCESS_FLAGS) {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1275  		if (attr->qp_access_flags & IB_ACCESS_LOCAL_WRITE)
b48c24c2d710cf Mustafa Ismail 2021-06-02  1276  			roce_info->wr_rdresp_en = true;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1277  		if (attr->qp_access_flags & IB_ACCESS_REMOTE_WRITE)
b48c24c2d710cf Mustafa Ismail 2021-06-02  1278  			roce_info->wr_rdresp_en = true;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1279  		if (attr->qp_access_flags & IB_ACCESS_REMOTE_READ)
b48c24c2d710cf Mustafa Ismail 2021-06-02  1280  			roce_info->rd_en = true;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1281  	}
b48c24c2d710cf Mustafa Ismail 2021-06-02  1282  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1283  	wait_event(iwqp->mod_qp_waitq, !atomic_read(&iwqp->hw_mod_qp_pend));
b48c24c2d710cf Mustafa Ismail 2021-06-02  1284  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1285  	ibdev_dbg(&iwdev->ibdev,
b48c24c2d710cf Mustafa Ismail 2021-06-02  1286  		  "VERBS: caller: %pS qp_id=%d to_ibqpstate=%d ibqpstate=%d irdma_qpstate=%d attr_mask=0x%x\n",
b48c24c2d710cf Mustafa Ismail 2021-06-02  1287  		  __builtin_return_address(0), ibqp->qp_num, attr->qp_state,
b48c24c2d710cf Mustafa Ismail 2021-06-02  1288  		  iwqp->ibqp_state, iwqp->iwarp_state, attr_mask);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1289  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1290  	spin_lock_irqsave(&iwqp->lock, flags);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1291  	if (attr_mask & IB_QP_STATE) {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1292  		if (!ib_modify_qp_is_ok(iwqp->ibqp_state, attr->qp_state,
b48c24c2d710cf Mustafa Ismail 2021-06-02  1293  					iwqp->ibqp.qp_type, attr_mask)) {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1294  			ibdev_warn(&iwdev->ibdev, "modify_qp invalid for qp_id=%d, old_state=0x%x, new_state=0x%x\n",
b48c24c2d710cf Mustafa Ismail 2021-06-02  1295  				   iwqp->ibqp.qp_num, iwqp->ibqp_state,
b48c24c2d710cf Mustafa Ismail 2021-06-02  1296  				   attr->qp_state);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1297  			ret = -EINVAL;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1298  			goto exit;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1299  		}
b48c24c2d710cf Mustafa Ismail 2021-06-02  1300  		info.curr_iwarp_state = iwqp->iwarp_state;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1301  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1302  		switch (attr->qp_state) {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1303  		case IB_QPS_INIT:
b48c24c2d710cf Mustafa Ismail 2021-06-02  1304  			if (iwqp->iwarp_state > IRDMA_QP_STATE_IDLE) {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1305  				ret = -EINVAL;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1306  				goto exit;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1307  			}
b48c24c2d710cf Mustafa Ismail 2021-06-02  1308  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1309  			if (iwqp->iwarp_state == IRDMA_QP_STATE_INVALID) {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1310  				info.next_iwarp_state = IRDMA_QP_STATE_IDLE;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1311  				issue_modify_qp = 1;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1312  			}
b48c24c2d710cf Mustafa Ismail 2021-06-02  1313  			break;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1314  		case IB_QPS_RTR:
b48c24c2d710cf Mustafa Ismail 2021-06-02  1315  			if (iwqp->iwarp_state > IRDMA_QP_STATE_IDLE) {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1316  				ret = -EINVAL;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1317  				goto exit;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1318  			}
b48c24c2d710cf Mustafa Ismail 2021-06-02  1319  			info.arp_cache_idx_valid = true;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1320  			info.cq_num_valid = true;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1321  			info.next_iwarp_state = IRDMA_QP_STATE_RTR;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1322  			issue_modify_qp = 1;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1323  			break;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1324  		case IB_QPS_RTS:
b48c24c2d710cf Mustafa Ismail 2021-06-02  1325  			if (iwqp->ibqp_state < IB_QPS_RTR ||
b48c24c2d710cf Mustafa Ismail 2021-06-02  1326  			    iwqp->ibqp_state == IB_QPS_ERR) {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1327  				ret = -EINVAL;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1328  				goto exit;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1329  			}
b48c24c2d710cf Mustafa Ismail 2021-06-02  1330  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1331  			info.arp_cache_idx_valid = true;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1332  			info.cq_num_valid = true;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1333  			info.ord_valid = true;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1334  			info.next_iwarp_state = IRDMA_QP_STATE_RTS;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1335  			issue_modify_qp = 1;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1336  			if (iwdev->push_mode && udata &&
b48c24c2d710cf Mustafa Ismail 2021-06-02  1337  			    iwqp->sc_qp.push_idx == IRDMA_INVALID_PUSH_PAGE_INDEX &&
b48c24c2d710cf Mustafa Ismail 2021-06-02  1338  			    dev->hw_attrs.uk_attrs.hw_rev >= IRDMA_GEN_2) {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1339  				spin_unlock_irqrestore(&iwqp->lock, flags);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1340  				irdma_alloc_push_page(iwqp);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1341  				spin_lock_irqsave(&iwqp->lock, flags);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1342  			}
b48c24c2d710cf Mustafa Ismail 2021-06-02  1343  			break;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1344  		case IB_QPS_SQD:
b48c24c2d710cf Mustafa Ismail 2021-06-02  1345  			if (iwqp->iwarp_state == IRDMA_QP_STATE_SQD)
c4d5794806c724 chongjiapeng   2021-07-23  1346  				ret = -EINVAL;
b48c24c2d710cf Mustafa Ismail 2021-06-02 @1347  				goto exit;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1348  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1349  			if (iwqp->iwarp_state != IRDMA_QP_STATE_RTS) {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1350  				ret = -EINVAL;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1351  				goto exit;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1352  			}
b48c24c2d710cf Mustafa Ismail 2021-06-02  1353  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1354  			info.next_iwarp_state = IRDMA_QP_STATE_SQD;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1355  			issue_modify_qp = 1;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1356  			break;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1357  		case IB_QPS_SQE:
b48c24c2d710cf Mustafa Ismail 2021-06-02  1358  		case IB_QPS_ERR:
b48c24c2d710cf Mustafa Ismail 2021-06-02  1359  		case IB_QPS_RESET:
b48c24c2d710cf Mustafa Ismail 2021-06-02  1360  			if (iwqp->iwarp_state == IRDMA_QP_STATE_RTS) {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1361  				spin_unlock_irqrestore(&iwqp->lock, flags);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1362  				info.next_iwarp_state = IRDMA_QP_STATE_SQD;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1363  				irdma_hw_modify_qp(iwdev, iwqp, &info, true);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1364  				spin_lock_irqsave(&iwqp->lock, flags);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1365  			}
b48c24c2d710cf Mustafa Ismail 2021-06-02  1366  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1367  			if (iwqp->iwarp_state == IRDMA_QP_STATE_ERROR) {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1368  				spin_unlock_irqrestore(&iwqp->lock, flags);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1369  				if (udata) {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1370  					if (ib_copy_from_udata(&ureq, udata,
b48c24c2d710cf Mustafa Ismail 2021-06-02  1371  					    min(sizeof(ureq), udata->inlen)))
b48c24c2d710cf Mustafa Ismail 2021-06-02  1372  						return -EINVAL;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1373  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1374  					irdma_flush_wqes(iwqp,
b48c24c2d710cf Mustafa Ismail 2021-06-02  1375  					    (ureq.sq_flush ? IRDMA_FLUSH_SQ : 0) |
b48c24c2d710cf Mustafa Ismail 2021-06-02  1376  					    (ureq.rq_flush ? IRDMA_FLUSH_RQ : 0) |
b48c24c2d710cf Mustafa Ismail 2021-06-02  1377  					    IRDMA_REFLUSH);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1378  				}
b48c24c2d710cf Mustafa Ismail 2021-06-02  1379  				return 0;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1380  			}
b48c24c2d710cf Mustafa Ismail 2021-06-02  1381  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1382  			info.next_iwarp_state = IRDMA_QP_STATE_ERROR;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1383  			issue_modify_qp = 1;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1384  			break;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1385  		default:
b48c24c2d710cf Mustafa Ismail 2021-06-02  1386  			ret = -EINVAL;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1387  			goto exit;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1388  		}
b48c24c2d710cf Mustafa Ismail 2021-06-02  1389  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1390  		iwqp->ibqp_state = attr->qp_state;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1391  	}
b48c24c2d710cf Mustafa Ismail 2021-06-02  1392  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1393  	ctx_info->send_cq_num = iwqp->iwscq->sc_cq.cq_uk.cq_id;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1394  	ctx_info->rcv_cq_num = iwqp->iwrcq->sc_cq.cq_uk.cq_id;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1395  	irdma_sc_qp_setctx_roce(&iwqp->sc_qp, iwqp->host_ctx.va, ctx_info);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1396  	spin_unlock_irqrestore(&iwqp->lock, flags);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1397  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1398  	if (attr_mask & IB_QP_STATE) {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1399  		if (issue_modify_qp) {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1400  			ctx_info->rem_endpoint_idx = udp_info->arp_idx;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1401  			if (irdma_hw_modify_qp(iwdev, iwqp, &info, true))
b48c24c2d710cf Mustafa Ismail 2021-06-02  1402  				return -EINVAL;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1403  			spin_lock_irqsave(&iwqp->lock, flags);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1404  			if (iwqp->iwarp_state == info.curr_iwarp_state) {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1405  				iwqp->iwarp_state = info.next_iwarp_state;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1406  				iwqp->ibqp_state = attr->qp_state;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1407  			}
b48c24c2d710cf Mustafa Ismail 2021-06-02  1408  			if (iwqp->ibqp_state > IB_QPS_RTS &&
b48c24c2d710cf Mustafa Ismail 2021-06-02  1409  			    !iwqp->flush_issued) {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1410  				iwqp->flush_issued = 1;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1411  				spin_unlock_irqrestore(&iwqp->lock, flags);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1412  				irdma_flush_wqes(iwqp, IRDMA_FLUSH_SQ |
b48c24c2d710cf Mustafa Ismail 2021-06-02  1413  						       IRDMA_FLUSH_RQ |
b48c24c2d710cf Mustafa Ismail 2021-06-02  1414  						       IRDMA_FLUSH_WAIT);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1415  			} else {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1416  				spin_unlock_irqrestore(&iwqp->lock, flags);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1417  			}
b48c24c2d710cf Mustafa Ismail 2021-06-02  1418  		} else {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1419  			iwqp->ibqp_state = attr->qp_state;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1420  		}
b48c24c2d710cf Mustafa Ismail 2021-06-02  1421  		if (udata && dev->hw_attrs.uk_attrs.hw_rev >= IRDMA_GEN_2) {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1422  			struct irdma_ucontext *ucontext;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1423  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1424  			ucontext = rdma_udata_to_drv_context(udata,
b48c24c2d710cf Mustafa Ismail 2021-06-02  1425  					struct irdma_ucontext, ibucontext);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1426  			if (iwqp->sc_qp.push_idx != IRDMA_INVALID_PUSH_PAGE_INDEX &&
b48c24c2d710cf Mustafa Ismail 2021-06-02  1427  			    !iwqp->push_wqe_mmap_entry &&
b48c24c2d710cf Mustafa Ismail 2021-06-02  1428  			    !irdma_setup_push_mmap_entries(ucontext, iwqp,
b48c24c2d710cf Mustafa Ismail 2021-06-02  1429  				&uresp.push_wqe_mmap_key, &uresp.push_db_mmap_key)) {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1430  				uresp.push_valid = 1;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1431  				uresp.push_offset = iwqp->sc_qp.push_offset;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1432  			}
b48c24c2d710cf Mustafa Ismail 2021-06-02  1433  			ret = ib_copy_to_udata(udata, &uresp, min(sizeof(uresp),
b48c24c2d710cf Mustafa Ismail 2021-06-02  1434  					       udata->outlen));
b48c24c2d710cf Mustafa Ismail 2021-06-02  1435  			if (ret) {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1436  				irdma_remove_push_mmap_entries(iwqp);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1437  				ibdev_dbg(&iwdev->ibdev,
b48c24c2d710cf Mustafa Ismail 2021-06-02  1438  					  "VERBS: copy_to_udata failed\n");
b48c24c2d710cf Mustafa Ismail 2021-06-02  1439  				return ret;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1440  			}
b48c24c2d710cf Mustafa Ismail 2021-06-02  1441  		}
b48c24c2d710cf Mustafa Ismail 2021-06-02  1442  	}
b48c24c2d710cf Mustafa Ismail 2021-06-02  1443  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1444  	return 0;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1445  exit:
b48c24c2d710cf Mustafa Ismail 2021-06-02  1446  	spin_unlock_irqrestore(&iwqp->lock, flags);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1447  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1448  	return ret;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1449  }
b48c24c2d710cf Mustafa Ismail 2021-06-02  1450  

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
kernel test robot July 24, 2021, 2:05 a.m. UTC | #2 
Hi Jiapeng,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on rdma/for-next]
[also build test WARNING on v5.14-rc2 next-20210723]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Jiapeng-Chong/RDMA-irdma-Fix-missing-error-code-in-irdma_modify_qp_roce/20210723-183422
base:   https://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma.git for-next
config: x86_64-allyesconfig (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://github.com/0day-ci/linux/commit/c4d5794806c724fafed155d5d1186fc7cecba055
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Jiapeng-Chong/RDMA-irdma-Fix-missing-error-code-in-irdma_modify_qp_roce/20210723-183422
        git checkout c4d5794806c724fafed155d5d1186fc7cecba055
        # save the attached .config to linux build tree
        make W=1 ARCH=x86_64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

   drivers/infiniband/hw/irdma/verbs.c: In function 'irdma_modify_qp_roce':
>> drivers/infiniband/hw/irdma/verbs.c:1345:4: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
    1345 |    if (iwqp->iwarp_state == IRDMA_QP_STATE_SQD)
         |    ^~
   drivers/infiniband/hw/irdma/verbs.c:1347:5: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
    1347 |     goto exit;
         |     ^~~~


vim +/if +1345 drivers/infiniband/hw/irdma/verbs.c

b48c24c2d710cf Mustafa Ismail 2021-06-02  1106  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1107  /**
b48c24c2d710cf Mustafa Ismail 2021-06-02  1108   * irdma_modify_qp_roce - modify qp request
b48c24c2d710cf Mustafa Ismail 2021-06-02  1109   * @ibqp: qp's pointer for modify
b48c24c2d710cf Mustafa Ismail 2021-06-02  1110   * @attr: access attributes
b48c24c2d710cf Mustafa Ismail 2021-06-02  1111   * @attr_mask: state mask
b48c24c2d710cf Mustafa Ismail 2021-06-02  1112   * @udata: user data
b48c24c2d710cf Mustafa Ismail 2021-06-02  1113   */
b48c24c2d710cf Mustafa Ismail 2021-06-02  1114  int irdma_modify_qp_roce(struct ib_qp *ibqp, struct ib_qp_attr *attr,
b48c24c2d710cf Mustafa Ismail 2021-06-02  1115  			 int attr_mask, struct ib_udata *udata)
b48c24c2d710cf Mustafa Ismail 2021-06-02  1116  {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1117  	struct irdma_pd *iwpd = to_iwpd(ibqp->pd);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1118  	struct irdma_qp *iwqp = to_iwqp(ibqp);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1119  	struct irdma_device *iwdev = iwqp->iwdev;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1120  	struct irdma_sc_dev *dev = &iwdev->rf->sc_dev;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1121  	struct irdma_qp_host_ctx_info *ctx_info;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1122  	struct irdma_roce_offload_info *roce_info;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1123  	struct irdma_udp_offload_info *udp_info;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1124  	struct irdma_modify_qp_info info = {};
b48c24c2d710cf Mustafa Ismail 2021-06-02  1125  	struct irdma_modify_qp_resp uresp = {};
b48c24c2d710cf Mustafa Ismail 2021-06-02  1126  	struct irdma_modify_qp_req ureq = {};
b48c24c2d710cf Mustafa Ismail 2021-06-02  1127  	unsigned long flags;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1128  	u8 issue_modify_qp = 0;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1129  	int ret = 0;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1130  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1131  	ctx_info = &iwqp->ctx_info;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1132  	roce_info = &iwqp->roce_info;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1133  	udp_info = &iwqp->udp_info;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1134  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1135  	if (attr_mask & ~IB_QP_ATTR_STANDARD_BITS)
b48c24c2d710cf Mustafa Ismail 2021-06-02  1136  		return -EOPNOTSUPP;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1137  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1138  	if (attr_mask & IB_QP_DEST_QPN)
b48c24c2d710cf Mustafa Ismail 2021-06-02  1139  		roce_info->dest_qp = attr->dest_qp_num;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1140  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1141  	if (attr_mask & IB_QP_PKEY_INDEX) {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1142  		ret = irdma_query_pkey(ibqp->device, 0, attr->pkey_index,
b48c24c2d710cf Mustafa Ismail 2021-06-02  1143  				       &roce_info->p_key);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1144  		if (ret)
b48c24c2d710cf Mustafa Ismail 2021-06-02  1145  			return ret;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1146  	}
b48c24c2d710cf Mustafa Ismail 2021-06-02  1147  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1148  	if (attr_mask & IB_QP_QKEY)
b48c24c2d710cf Mustafa Ismail 2021-06-02  1149  		roce_info->qkey = attr->qkey;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1150  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1151  	if (attr_mask & IB_QP_PATH_MTU)
b48c24c2d710cf Mustafa Ismail 2021-06-02  1152  		udp_info->snd_mss = ib_mtu_enum_to_int(attr->path_mtu);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1153  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1154  	if (attr_mask & IB_QP_SQ_PSN) {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1155  		udp_info->psn_nxt = attr->sq_psn;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1156  		udp_info->lsn =  0xffff;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1157  		udp_info->psn_una = attr->sq_psn;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1158  		udp_info->psn_max = attr->sq_psn;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1159  	}
b48c24c2d710cf Mustafa Ismail 2021-06-02  1160  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1161  	if (attr_mask & IB_QP_RQ_PSN)
b48c24c2d710cf Mustafa Ismail 2021-06-02  1162  		udp_info->epsn = attr->rq_psn;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1163  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1164  	if (attr_mask & IB_QP_RNR_RETRY)
b48c24c2d710cf Mustafa Ismail 2021-06-02  1165  		udp_info->rnr_nak_thresh = attr->rnr_retry;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1166  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1167  	if (attr_mask & IB_QP_RETRY_CNT)
b48c24c2d710cf Mustafa Ismail 2021-06-02  1168  		udp_info->rexmit_thresh = attr->retry_cnt;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1169  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1170  	ctx_info->roce_info->pd_id = iwpd->sc_pd.pd_id;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1171  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1172  	if (attr_mask & IB_QP_AV) {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1173  		struct irdma_av *av = &iwqp->roce_ah.av;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1174  		const struct ib_gid_attr *sgid_attr;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1175  		u16 vlan_id = VLAN_N_VID;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1176  		u32 local_ip[4];
b48c24c2d710cf Mustafa Ismail 2021-06-02  1177  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1178  		memset(&iwqp->roce_ah, 0, sizeof(iwqp->roce_ah));
b48c24c2d710cf Mustafa Ismail 2021-06-02  1179  		if (attr->ah_attr.ah_flags & IB_AH_GRH) {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1180  			udp_info->ttl = attr->ah_attr.grh.hop_limit;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1181  			udp_info->flow_label = attr->ah_attr.grh.flow_label;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1182  			udp_info->tos = attr->ah_attr.grh.traffic_class;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1183  			irdma_qp_rem_qos(&iwqp->sc_qp);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1184  			dev->ws_remove(iwqp->sc_qp.vsi, ctx_info->user_pri);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1185  			ctx_info->user_pri = rt_tos2priority(udp_info->tos);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1186  			iwqp->sc_qp.user_pri = ctx_info->user_pri;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1187  			if (dev->ws_add(iwqp->sc_qp.vsi, ctx_info->user_pri))
b48c24c2d710cf Mustafa Ismail 2021-06-02  1188  				return -ENOMEM;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1189  			irdma_qp_add_qos(&iwqp->sc_qp);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1190  		}
b48c24c2d710cf Mustafa Ismail 2021-06-02  1191  		sgid_attr = attr->ah_attr.grh.sgid_attr;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1192  		ret = rdma_read_gid_l2_fields(sgid_attr, &vlan_id,
b48c24c2d710cf Mustafa Ismail 2021-06-02  1193  					      ctx_info->roce_info->mac_addr);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1194  		if (ret)
b48c24c2d710cf Mustafa Ismail 2021-06-02  1195  			return ret;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1196  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1197  		if (vlan_id >= VLAN_N_VID && iwdev->dcb)
b48c24c2d710cf Mustafa Ismail 2021-06-02  1198  			vlan_id = 0;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1199  		if (vlan_id < VLAN_N_VID) {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1200  			udp_info->insert_vlan_tag = true;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1201  			udp_info->vlan_tag = vlan_id |
b48c24c2d710cf Mustafa Ismail 2021-06-02  1202  				ctx_info->user_pri << VLAN_PRIO_SHIFT;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1203  		} else {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1204  			udp_info->insert_vlan_tag = false;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1205  		}
b48c24c2d710cf Mustafa Ismail 2021-06-02  1206  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1207  		av->attrs = attr->ah_attr;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1208  		rdma_gid2ip((struct sockaddr *)&av->sgid_addr, &sgid_attr->gid);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1209  		rdma_gid2ip((struct sockaddr *)&av->dgid_addr, &attr->ah_attr.grh.dgid);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1210  		roce_info->local_qp = ibqp->qp_num;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1211  		if (av->sgid_addr.saddr.sa_family == AF_INET6) {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1212  			__be32 *daddr =
b48c24c2d710cf Mustafa Ismail 2021-06-02  1213  				av->dgid_addr.saddr_in6.sin6_addr.in6_u.u6_addr32;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1214  			__be32 *saddr =
b48c24c2d710cf Mustafa Ismail 2021-06-02  1215  				av->sgid_addr.saddr_in6.sin6_addr.in6_u.u6_addr32;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1216  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1217  			irdma_copy_ip_ntohl(&udp_info->dest_ip_addr[0], daddr);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1218  			irdma_copy_ip_ntohl(&udp_info->local_ipaddr[0], saddr);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1219  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1220  			udp_info->ipv4 = false;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1221  			irdma_copy_ip_ntohl(local_ip, daddr);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1222  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1223  			udp_info->arp_idx = irdma_arp_table(iwdev->rf,
b48c24c2d710cf Mustafa Ismail 2021-06-02  1224  							    &local_ip[0],
b48c24c2d710cf Mustafa Ismail 2021-06-02  1225  							    false, NULL,
b48c24c2d710cf Mustafa Ismail 2021-06-02  1226  							    IRDMA_ARP_RESOLVE);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1227  		} else {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1228  			__be32 saddr = av->sgid_addr.saddr_in.sin_addr.s_addr;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1229  			__be32 daddr = av->dgid_addr.saddr_in.sin_addr.s_addr;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1230  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1231  			local_ip[0] = ntohl(daddr);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1232  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1233  			udp_info->ipv4 = true;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1234  			udp_info->dest_ip_addr[0] = 0;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1235  			udp_info->dest_ip_addr[1] = 0;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1236  			udp_info->dest_ip_addr[2] = 0;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1237  			udp_info->dest_ip_addr[3] = local_ip[0];
b48c24c2d710cf Mustafa Ismail 2021-06-02  1238  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1239  			udp_info->local_ipaddr[0] = 0;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1240  			udp_info->local_ipaddr[1] = 0;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1241  			udp_info->local_ipaddr[2] = 0;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1242  			udp_info->local_ipaddr[3] = ntohl(saddr);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1243  		}
b48c24c2d710cf Mustafa Ismail 2021-06-02  1244  		udp_info->arp_idx =
b48c24c2d710cf Mustafa Ismail 2021-06-02  1245  			irdma_add_arp(iwdev->rf, local_ip, udp_info->ipv4,
b48c24c2d710cf Mustafa Ismail 2021-06-02  1246  				      attr->ah_attr.roce.dmac);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1247  	}
b48c24c2d710cf Mustafa Ismail 2021-06-02  1248  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1249  	if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC) {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1250  		if (attr->max_rd_atomic > dev->hw_attrs.max_hw_ord) {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1251  			ibdev_err(&iwdev->ibdev,
b48c24c2d710cf Mustafa Ismail 2021-06-02  1252  				  "rd_atomic = %d, above max_hw_ord=%d\n",
b48c24c2d710cf Mustafa Ismail 2021-06-02  1253  				  attr->max_rd_atomic,
b48c24c2d710cf Mustafa Ismail 2021-06-02  1254  				  dev->hw_attrs.max_hw_ord);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1255  			return -EINVAL;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1256  		}
b48c24c2d710cf Mustafa Ismail 2021-06-02  1257  		if (attr->max_rd_atomic)
b48c24c2d710cf Mustafa Ismail 2021-06-02  1258  			roce_info->ord_size = attr->max_rd_atomic;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1259  		info.ord_valid = true;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1260  	}
b48c24c2d710cf Mustafa Ismail 2021-06-02  1261  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1262  	if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1263  		if (attr->max_dest_rd_atomic > dev->hw_attrs.max_hw_ird) {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1264  			ibdev_err(&iwdev->ibdev,
b48c24c2d710cf Mustafa Ismail 2021-06-02  1265  				  "rd_atomic = %d, above max_hw_ird=%d\n",
b48c24c2d710cf Mustafa Ismail 2021-06-02  1266  				   attr->max_rd_atomic,
b48c24c2d710cf Mustafa Ismail 2021-06-02  1267  				   dev->hw_attrs.max_hw_ird);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1268  			return -EINVAL;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1269  		}
b48c24c2d710cf Mustafa Ismail 2021-06-02  1270  		if (attr->max_dest_rd_atomic)
b48c24c2d710cf Mustafa Ismail 2021-06-02  1271  			roce_info->ird_size = attr->max_dest_rd_atomic;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1272  	}
b48c24c2d710cf Mustafa Ismail 2021-06-02  1273  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1274  	if (attr_mask & IB_QP_ACCESS_FLAGS) {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1275  		if (attr->qp_access_flags & IB_ACCESS_LOCAL_WRITE)
b48c24c2d710cf Mustafa Ismail 2021-06-02  1276  			roce_info->wr_rdresp_en = true;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1277  		if (attr->qp_access_flags & IB_ACCESS_REMOTE_WRITE)
b48c24c2d710cf Mustafa Ismail 2021-06-02  1278  			roce_info->wr_rdresp_en = true;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1279  		if (attr->qp_access_flags & IB_ACCESS_REMOTE_READ)
b48c24c2d710cf Mustafa Ismail 2021-06-02  1280  			roce_info->rd_en = true;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1281  	}
b48c24c2d710cf Mustafa Ismail 2021-06-02  1282  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1283  	wait_event(iwqp->mod_qp_waitq, !atomic_read(&iwqp->hw_mod_qp_pend));
b48c24c2d710cf Mustafa Ismail 2021-06-02  1284  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1285  	ibdev_dbg(&iwdev->ibdev,
b48c24c2d710cf Mustafa Ismail 2021-06-02  1286  		  "VERBS: caller: %pS qp_id=%d to_ibqpstate=%d ibqpstate=%d irdma_qpstate=%d attr_mask=0x%x\n",
b48c24c2d710cf Mustafa Ismail 2021-06-02  1287  		  __builtin_return_address(0), ibqp->qp_num, attr->qp_state,
b48c24c2d710cf Mustafa Ismail 2021-06-02  1288  		  iwqp->ibqp_state, iwqp->iwarp_state, attr_mask);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1289  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1290  	spin_lock_irqsave(&iwqp->lock, flags);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1291  	if (attr_mask & IB_QP_STATE) {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1292  		if (!ib_modify_qp_is_ok(iwqp->ibqp_state, attr->qp_state,
b48c24c2d710cf Mustafa Ismail 2021-06-02  1293  					iwqp->ibqp.qp_type, attr_mask)) {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1294  			ibdev_warn(&iwdev->ibdev, "modify_qp invalid for qp_id=%d, old_state=0x%x, new_state=0x%x\n",
b48c24c2d710cf Mustafa Ismail 2021-06-02  1295  				   iwqp->ibqp.qp_num, iwqp->ibqp_state,
b48c24c2d710cf Mustafa Ismail 2021-06-02  1296  				   attr->qp_state);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1297  			ret = -EINVAL;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1298  			goto exit;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1299  		}
b48c24c2d710cf Mustafa Ismail 2021-06-02  1300  		info.curr_iwarp_state = iwqp->iwarp_state;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1301  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1302  		switch (attr->qp_state) {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1303  		case IB_QPS_INIT:
b48c24c2d710cf Mustafa Ismail 2021-06-02  1304  			if (iwqp->iwarp_state > IRDMA_QP_STATE_IDLE) {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1305  				ret = -EINVAL;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1306  				goto exit;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1307  			}
b48c24c2d710cf Mustafa Ismail 2021-06-02  1308  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1309  			if (iwqp->iwarp_state == IRDMA_QP_STATE_INVALID) {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1310  				info.next_iwarp_state = IRDMA_QP_STATE_IDLE;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1311  				issue_modify_qp = 1;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1312  			}
b48c24c2d710cf Mustafa Ismail 2021-06-02  1313  			break;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1314  		case IB_QPS_RTR:
b48c24c2d710cf Mustafa Ismail 2021-06-02  1315  			if (iwqp->iwarp_state > IRDMA_QP_STATE_IDLE) {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1316  				ret = -EINVAL;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1317  				goto exit;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1318  			}
b48c24c2d710cf Mustafa Ismail 2021-06-02  1319  			info.arp_cache_idx_valid = true;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1320  			info.cq_num_valid = true;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1321  			info.next_iwarp_state = IRDMA_QP_STATE_RTR;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1322  			issue_modify_qp = 1;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1323  			break;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1324  		case IB_QPS_RTS:
b48c24c2d710cf Mustafa Ismail 2021-06-02  1325  			if (iwqp->ibqp_state < IB_QPS_RTR ||
b48c24c2d710cf Mustafa Ismail 2021-06-02  1326  			    iwqp->ibqp_state == IB_QPS_ERR) {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1327  				ret = -EINVAL;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1328  				goto exit;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1329  			}
b48c24c2d710cf Mustafa Ismail 2021-06-02  1330  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1331  			info.arp_cache_idx_valid = true;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1332  			info.cq_num_valid = true;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1333  			info.ord_valid = true;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1334  			info.next_iwarp_state = IRDMA_QP_STATE_RTS;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1335  			issue_modify_qp = 1;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1336  			if (iwdev->push_mode && udata &&
b48c24c2d710cf Mustafa Ismail 2021-06-02  1337  			    iwqp->sc_qp.push_idx == IRDMA_INVALID_PUSH_PAGE_INDEX &&
b48c24c2d710cf Mustafa Ismail 2021-06-02  1338  			    dev->hw_attrs.uk_attrs.hw_rev >= IRDMA_GEN_2) {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1339  				spin_unlock_irqrestore(&iwqp->lock, flags);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1340  				irdma_alloc_push_page(iwqp);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1341  				spin_lock_irqsave(&iwqp->lock, flags);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1342  			}
b48c24c2d710cf Mustafa Ismail 2021-06-02  1343  			break;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1344  		case IB_QPS_SQD:
b48c24c2d710cf Mustafa Ismail 2021-06-02 @1345  			if (iwqp->iwarp_state == IRDMA_QP_STATE_SQD)
c4d5794806c724 chongjiapeng   2021-07-23  1346  				ret = -EINVAL;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1347  				goto exit;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1348  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1349  			if (iwqp->iwarp_state != IRDMA_QP_STATE_RTS) {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1350  				ret = -EINVAL;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1351  				goto exit;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1352  			}
b48c24c2d710cf Mustafa Ismail 2021-06-02  1353  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1354  			info.next_iwarp_state = IRDMA_QP_STATE_SQD;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1355  			issue_modify_qp = 1;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1356  			break;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1357  		case IB_QPS_SQE:
b48c24c2d710cf Mustafa Ismail 2021-06-02  1358  		case IB_QPS_ERR:
b48c24c2d710cf Mustafa Ismail 2021-06-02  1359  		case IB_QPS_RESET:
b48c24c2d710cf Mustafa Ismail 2021-06-02  1360  			if (iwqp->iwarp_state == IRDMA_QP_STATE_RTS) {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1361  				spin_unlock_irqrestore(&iwqp->lock, flags);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1362  				info.next_iwarp_state = IRDMA_QP_STATE_SQD;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1363  				irdma_hw_modify_qp(iwdev, iwqp, &info, true);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1364  				spin_lock_irqsave(&iwqp->lock, flags);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1365  			}
b48c24c2d710cf Mustafa Ismail 2021-06-02  1366  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1367  			if (iwqp->iwarp_state == IRDMA_QP_STATE_ERROR) {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1368  				spin_unlock_irqrestore(&iwqp->lock, flags);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1369  				if (udata) {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1370  					if (ib_copy_from_udata(&ureq, udata,
b48c24c2d710cf Mustafa Ismail 2021-06-02  1371  					    min(sizeof(ureq), udata->inlen)))
b48c24c2d710cf Mustafa Ismail 2021-06-02  1372  						return -EINVAL;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1373  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1374  					irdma_flush_wqes(iwqp,
b48c24c2d710cf Mustafa Ismail 2021-06-02  1375  					    (ureq.sq_flush ? IRDMA_FLUSH_SQ : 0) |
b48c24c2d710cf Mustafa Ismail 2021-06-02  1376  					    (ureq.rq_flush ? IRDMA_FLUSH_RQ : 0) |
b48c24c2d710cf Mustafa Ismail 2021-06-02  1377  					    IRDMA_REFLUSH);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1378  				}
b48c24c2d710cf Mustafa Ismail 2021-06-02  1379  				return 0;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1380  			}
b48c24c2d710cf Mustafa Ismail 2021-06-02  1381  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1382  			info.next_iwarp_state = IRDMA_QP_STATE_ERROR;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1383  			issue_modify_qp = 1;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1384  			break;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1385  		default:
b48c24c2d710cf Mustafa Ismail 2021-06-02  1386  			ret = -EINVAL;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1387  			goto exit;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1388  		}
b48c24c2d710cf Mustafa Ismail 2021-06-02  1389  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1390  		iwqp->ibqp_state = attr->qp_state;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1391  	}
b48c24c2d710cf Mustafa Ismail 2021-06-02  1392  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1393  	ctx_info->send_cq_num = iwqp->iwscq->sc_cq.cq_uk.cq_id;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1394  	ctx_info->rcv_cq_num = iwqp->iwrcq->sc_cq.cq_uk.cq_id;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1395  	irdma_sc_qp_setctx_roce(&iwqp->sc_qp, iwqp->host_ctx.va, ctx_info);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1396  	spin_unlock_irqrestore(&iwqp->lock, flags);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1397  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1398  	if (attr_mask & IB_QP_STATE) {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1399  		if (issue_modify_qp) {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1400  			ctx_info->rem_endpoint_idx = udp_info->arp_idx;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1401  			if (irdma_hw_modify_qp(iwdev, iwqp, &info, true))
b48c24c2d710cf Mustafa Ismail 2021-06-02  1402  				return -EINVAL;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1403  			spin_lock_irqsave(&iwqp->lock, flags);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1404  			if (iwqp->iwarp_state == info.curr_iwarp_state) {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1405  				iwqp->iwarp_state = info.next_iwarp_state;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1406  				iwqp->ibqp_state = attr->qp_state;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1407  			}
b48c24c2d710cf Mustafa Ismail 2021-06-02  1408  			if (iwqp->ibqp_state > IB_QPS_RTS &&
b48c24c2d710cf Mustafa Ismail 2021-06-02  1409  			    !iwqp->flush_issued) {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1410  				iwqp->flush_issued = 1;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1411  				spin_unlock_irqrestore(&iwqp->lock, flags);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1412  				irdma_flush_wqes(iwqp, IRDMA_FLUSH_SQ |
b48c24c2d710cf Mustafa Ismail 2021-06-02  1413  						       IRDMA_FLUSH_RQ |
b48c24c2d710cf Mustafa Ismail 2021-06-02  1414  						       IRDMA_FLUSH_WAIT);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1415  			} else {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1416  				spin_unlock_irqrestore(&iwqp->lock, flags);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1417  			}
b48c24c2d710cf Mustafa Ismail 2021-06-02  1418  		} else {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1419  			iwqp->ibqp_state = attr->qp_state;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1420  		}
b48c24c2d710cf Mustafa Ismail 2021-06-02  1421  		if (udata && dev->hw_attrs.uk_attrs.hw_rev >= IRDMA_GEN_2) {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1422  			struct irdma_ucontext *ucontext;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1423  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1424  			ucontext = rdma_udata_to_drv_context(udata,
b48c24c2d710cf Mustafa Ismail 2021-06-02  1425  					struct irdma_ucontext, ibucontext);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1426  			if (iwqp->sc_qp.push_idx != IRDMA_INVALID_PUSH_PAGE_INDEX &&
b48c24c2d710cf Mustafa Ismail 2021-06-02  1427  			    !iwqp->push_wqe_mmap_entry &&
b48c24c2d710cf Mustafa Ismail 2021-06-02  1428  			    !irdma_setup_push_mmap_entries(ucontext, iwqp,
b48c24c2d710cf Mustafa Ismail 2021-06-02  1429  				&uresp.push_wqe_mmap_key, &uresp.push_db_mmap_key)) {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1430  				uresp.push_valid = 1;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1431  				uresp.push_offset = iwqp->sc_qp.push_offset;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1432  			}
b48c24c2d710cf Mustafa Ismail 2021-06-02  1433  			ret = ib_copy_to_udata(udata, &uresp, min(sizeof(uresp),
b48c24c2d710cf Mustafa Ismail 2021-06-02  1434  					       udata->outlen));
b48c24c2d710cf Mustafa Ismail 2021-06-02  1435  			if (ret) {
b48c24c2d710cf Mustafa Ismail 2021-06-02  1436  				irdma_remove_push_mmap_entries(iwqp);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1437  				ibdev_dbg(&iwdev->ibdev,
b48c24c2d710cf Mustafa Ismail 2021-06-02  1438  					  "VERBS: copy_to_udata failed\n");
b48c24c2d710cf Mustafa Ismail 2021-06-02  1439  				return ret;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1440  			}
b48c24c2d710cf Mustafa Ismail 2021-06-02  1441  		}
b48c24c2d710cf Mustafa Ismail 2021-06-02  1442  	}
b48c24c2d710cf Mustafa Ismail 2021-06-02  1443  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1444  	return 0;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1445  exit:
b48c24c2d710cf Mustafa Ismail 2021-06-02  1446  	spin_unlock_irqrestore(&iwqp->lock, flags);
b48c24c2d710cf Mustafa Ismail 2021-06-02  1447  
b48c24c2d710cf Mustafa Ismail 2021-06-02  1448  	return ret;
b48c24c2d710cf Mustafa Ismail 2021-06-02  1449  }
b48c24c2d710cf Mustafa Ismail 2021-06-02  1450  

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
Leon Romanovsky July 25, 2021, 10:22 a.m. UTC | #3 
On Fri, Jul 23, 2021 at 06:32:53PM +0800, Jiapeng Chong wrote:
> From: chongjiapeng <jiapeng.chong@linux.alibaba.com>
> 
> The error code is missing in this code scenario, add the error code
> '-EINVAL' to the return value 'ret'.
> 
> Eliminate the follow smatch warning:
> 
> drivers/infiniband/hw/irdma/verbs.c:1344 irdma_modify_qp_roce() warn:
> missing error code 'ret'.
> 
> Reported-by: Abaci Robot <abaci@linux.alibaba.com>
> Fixes: b48c24c2d710 ("RDMA/irdma: Implement device supported verb APIs")
> Signed-off-by: chongjiapeng <jiapeng.chong@linux.alibaba.com>
> ---
>  drivers/infiniband/hw/irdma/verbs.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/infiniband/hw/irdma/verbs.c b/drivers/infiniband/hw/irdma/verbs.c
> index 717147e..406c8b05 100644
> --- a/drivers/infiniband/hw/irdma/verbs.c
> +++ b/drivers/infiniband/hw/irdma/verbs.c
> @@ -1341,6 +1341,7 @@ int irdma_modify_qp_roce(struct ib_qp *ibqp, struct ib_qp_attr *attr,
>  			break;
>  		case IB_QPS_SQD:
>  			if (iwqp->iwarp_state == IRDMA_QP_STATE_SQD)
> +				ret = -EINVAL;
>  				goto exit;

You are missing brackets, it can't compile.

>  
>  			if (iwqp->iwarp_state != IRDMA_QP_STATE_RTS) {
> -- 
> 1.8.3.1
>
diff mbox series

Patch

diff --git a/drivers/infiniband/hw/irdma/verbs.c b/drivers/infiniband/hw/irdma/verbs.c
index 717147e..406c8b05 100644
--- a/drivers/infiniband/hw/irdma/verbs.c
+++ b/drivers/infiniband/hw/irdma/verbs.c
@@ -1341,6 +1341,7 @@  int irdma_modify_qp_roce(struct ib_qp *ibqp, struct ib_qp_attr *attr,
 			break;
 		case IB_QPS_SQD:
 			if (iwqp->iwarp_state == IRDMA_QP_STATE_SQD)
+				ret = -EINVAL;
 				goto exit;
 
 			if (iwqp->iwarp_state != IRDMA_QP_STATE_RTS) {