/* * * This should be called with the QP r_lock held. * * The s_lock will be acquired around the qib_migrate_qp() call. */ int qib_ruc_check_hdr(struct qib_ibport *ibp, struct ib_header *hdr, int has_grh, struct rvt_qp *qp, u32 bth0) { __be64 guid; unsigned long flags; if (qp->s_mig_state == IB_MIG_ARMED && (bth0 & IB_BTH_MIG_REQ)) { if (!has_grh) { if (rdma_ah_get_ah_flags(&qp->alt_ah_attr) & IB_AH_GRH) goto err; } else { const struct ib_global_route *grh; if (!(rdma_ah_get_ah_flags(&qp->alt_ah_attr) & IB_AH_GRH)) goto err; grh = rdma_ah_read_grh(&qp->alt_ah_attr); guid = get_sguid(ibp, grh->sgid_index); if (!gid_ok(&hdr->u.l.grh.dgid, ibp->rvp.gid_prefix, guid)) goto err; if (!gid_ok(&hdr->u.l.grh.sgid, grh->dgid.global.subnet_prefix, grh->dgid.global.interface_id)) goto err; } if (!qib_pkey_ok((u16)bth0, qib_get_pkey(ibp, qp->s_alt_pkey_index))) { qib_bad_pkey(ibp, (u16)bth0, (be16_to_cpu(hdr->lrh[0]) >> 4) & 0xF, 0, qp->ibqp.qp_num, hdr->lrh[3], hdr->lrh[1]); goto err; } /* Validate the SLID. See Ch. 9.6.1.5 and 17.2.8 */ if ((be16_to_cpu(hdr->lrh[3]) != rdma_ah_get_dlid(&qp->alt_ah_attr)) || ppd_from_ibp(ibp)->port != rdma_ah_get_port_num(&qp->alt_ah_attr)) goto err; spin_lock_irqsave(&qp->s_lock, flags); qib_migrate_qp(qp); spin_unlock_irqrestore(&qp->s_lock, flags); } else {
/* * * This should be called with the QP r_lock held. * * The s_lock will be acquired around the hfi1_migrate_qp() call. */ int hfi1_ruc_check_hdr(struct hfi1_ibport *ibp, struct hfi1_ib_header *hdr, int has_grh, struct hfi1_qp *qp, u32 bth0) { __be64 guid; unsigned long flags; u8 sc5 = ibp->sl_to_sc[qp->remote_ah_attr.sl]; if (qp->s_mig_state == IB_MIG_ARMED && (bth0 & IB_BTH_MIG_REQ)) { if (!has_grh) { if (qp->alt_ah_attr.ah_flags & IB_AH_GRH) goto err; } else { if (!(qp->alt_ah_attr.ah_flags & IB_AH_GRH)) goto err; guid = get_sguid(ibp, qp->alt_ah_attr.grh.sgid_index); if (!gid_ok(&hdr->u.l.grh.dgid, ibp->gid_prefix, guid)) goto err; if (!gid_ok(&hdr->u.l.grh.sgid, qp->alt_ah_attr.grh.dgid.global.subnet_prefix, qp->alt_ah_attr.grh.dgid.global.interface_id)) goto err; } if (unlikely(rcv_pkey_check(ppd_from_ibp(ibp), (u16)bth0, sc5, be16_to_cpu(hdr->lrh[3])))) { hfi1_bad_pqkey(ibp, IB_NOTICE_TRAP_BAD_PKEY, (u16)bth0, (be16_to_cpu(hdr->lrh[0]) >> 4) & 0xF, 0, qp->ibqp.qp_num, hdr->lrh[3], hdr->lrh[1]); goto err; } /* Validate the SLID. See Ch. 9.6.1.5 and 17.2.8 */ if (be16_to_cpu(hdr->lrh[3]) != qp->alt_ah_attr.dlid || ppd_from_ibp(ibp)->port != qp->alt_ah_attr.port_num) goto err; spin_lock_irqsave(&qp->s_lock, flags); hfi1_migrate_qp(qp); spin_unlock_irqrestore(&qp->s_lock, flags); } else {
int qib_ruc_check_hdr(struct qib_ibport *ibp, struct qib_ib_header *hdr, int has_grh, struct qib_qp *qp, u32 bth0) { __be64 guid; unsigned long flags; if (qp->s_mig_state == IB_MIG_ARMED && (bth0 & IB_BTH_MIG_REQ)) { if (!has_grh) { if (qp->alt_ah_attr.ah_flags & IB_AH_GRH) goto err; } else { if (!(qp->alt_ah_attr.ah_flags & IB_AH_GRH)) goto err; guid = get_sguid(ibp, qp->alt_ah_attr.grh.sgid_index); if (!gid_ok(&hdr->u.l.grh.dgid, ibp->gid_prefix, guid)) goto err; if (!gid_ok(&hdr->u.l.grh.sgid, qp->alt_ah_attr.grh.dgid.global.subnet_prefix, qp->alt_ah_attr.grh.dgid.global.interface_id)) goto err; } if (!qib_pkey_ok((u16)bth0, qib_get_pkey(ibp, qp->s_alt_pkey_index))) { qib_bad_pqkey(ibp, IB_NOTICE_TRAP_BAD_PKEY, (u16)bth0, (be16_to_cpu(hdr->lrh[0]) >> 4) & 0xF, 0, qp->ibqp.qp_num, hdr->lrh[3], hdr->lrh[1]); goto err; } if (be16_to_cpu(hdr->lrh[3]) != qp->alt_ah_attr.dlid || ppd_from_ibp(ibp)->port != qp->alt_ah_attr.port_num) goto err; spin_lock_irqsave(&qp->s_lock, flags); qib_migrate_qp(qp); spin_unlock_irqrestore(&qp->s_lock, flags); } else {
static void realtime_bprm_apply_creds(struct linux_binprm *bprm, int unsafe) { cap_bprm_apply_creds(bprm, unsafe); /* If a non-zero `any' parameter was specified, we grant * realtime privileges to every process. If the `gid' * parameter was specified and it matches the group id of the * executable, of the current process or any supplementary * groups, we grant realtime capabilites. */ if (rt_any || gid_ok(rt_gid)) { cap_raise(current->cap_effective, CAP_SYS_NICE); if (rt_mlock) { cap_raise(current->cap_effective, CAP_IPC_LOCK); cap_raise(current->cap_effective, CAP_SYS_RESOURCE); } } }