qed: Fix iWARP out of order flow
Out of order flow is not working for iWARP.
This patch got cut out from initial series that added out
of order support for iWARP.
Make out of order code common for iWARP and iSCSI.
Add new configuration option CONFIG_QED_OOO. Set by
qedr and qedi Kconfigs.
Fixes: d1abfd0b4e
("qed: Add iWARP out of order support")
Signed-off-by: Michal Kalderon <Michal.Kalderon@cavium.com>
Signed-off-by: Manish Rangankar <Manish.Rangankar@cavium.com>
Signed-off-by: Ariel Elior <Ariel.Elior@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
parent
30d240dfa2
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@ -2,6 +2,7 @@ config INFINIBAND_QEDR
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tristate "QLogic RoCE driver"
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depends on 64BIT && QEDE
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select QED_LL2
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select QED_OOO
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select QED_RDMA
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---help---
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This driver provides low-level InfiniBand over Ethernet
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@ -117,4 +117,7 @@ config QED_ISCSI
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config QED_FCOE
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bool
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config QED_OOO
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bool
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endif # NET_VENDOR_QLOGIC
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@ -6,5 +6,6 @@ qed-y := qed_cxt.o qed_dev.o qed_hw.o qed_init_fw_funcs.o qed_init_ops.o \
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qed-$(CONFIG_QED_SRIOV) += qed_sriov.o qed_vf.o
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qed-$(CONFIG_QED_LL2) += qed_ll2.o
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qed-$(CONFIG_QED_RDMA) += qed_roce.o qed_rdma.o qed_iwarp.o
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qed-$(CONFIG_QED_ISCSI) += qed_iscsi.o qed_ooo.o
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qed-$(CONFIG_QED_ISCSI) += qed_iscsi.o
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qed-$(CONFIG_QED_FCOE) += qed_fcoe.o
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qed-$(CONFIG_QED_OOO) += qed_ooo.o
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@ -1410,13 +1410,18 @@ int qed_iwarp_alloc(struct qed_hwfn *p_hwfn)
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INIT_LIST_HEAD(&p_hwfn->p_rdma_info->iwarp.ep_free_list);
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spin_lock_init(&p_hwfn->p_rdma_info->iwarp.iw_lock);
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return qed_iwarp_prealloc_ep(p_hwfn, true);
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rc = qed_iwarp_prealloc_ep(p_hwfn, true);
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if (rc)
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return rc;
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return qed_ooo_alloc(p_hwfn);
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}
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void qed_iwarp_resc_free(struct qed_hwfn *p_hwfn)
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{
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struct qed_iwarp_info *iwarp_info = &p_hwfn->p_rdma_info->iwarp;
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qed_ooo_free(p_hwfn);
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qed_rdma_bmap_free(p_hwfn, &p_hwfn->p_rdma_info->tcp_cid_map, 1);
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kfree(iwarp_info->mpa_bufs);
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kfree(iwarp_info->partial_fpdus);
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@ -103,18 +103,28 @@ int qed_ooo_alloc(struct qed_hwfn *p_hwfn)
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{
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u16 max_num_archipelagos = 0, cid_base;
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struct qed_ooo_info *p_ooo_info;
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enum protocol_type proto;
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u16 max_num_isles = 0;
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u32 i;
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if (p_hwfn->hw_info.personality != QED_PCI_ISCSI) {
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switch (p_hwfn->hw_info.personality) {
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case QED_PCI_ISCSI:
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proto = PROTOCOLID_ISCSI;
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break;
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case QED_PCI_ETH_RDMA:
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case QED_PCI_ETH_IWARP:
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proto = PROTOCOLID_IWARP;
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break;
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default:
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DP_NOTICE(p_hwfn,
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"Failed to allocate qed_ooo_info: unknown personality\n");
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return -EINVAL;
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}
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max_num_archipelagos = p_hwfn->pf_params.iscsi_pf_params.num_cons;
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max_num_archipelagos = (u16)qed_cxt_get_proto_cid_count(p_hwfn, proto,
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NULL);
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max_num_isles = QED_MAX_NUM_ISLES + max_num_archipelagos;
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cid_base = (u16)qed_cxt_get_proto_cid_start(p_hwfn, PROTOCOLID_ISCSI);
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cid_base = (u16)qed_cxt_get_proto_cid_start(p_hwfn, proto);
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if (!max_num_archipelagos) {
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DP_NOTICE(p_hwfn,
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@ -83,7 +83,7 @@ struct qed_ooo_info {
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u16 cid_base;
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};
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#if IS_ENABLED(CONFIG_QED_ISCSI)
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#if IS_ENABLED(CONFIG_QED_OOO)
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void qed_ooo_save_history_entry(struct qed_hwfn *p_hwfn,
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struct qed_ooo_info *p_ooo_info,
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struct ooo_opaque *p_cqe);
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@ -4,6 +4,7 @@ config QEDI
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depends on QED
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select SCSI_ISCSI_ATTRS
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select QED_LL2
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select QED_OOO
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select QED_ISCSI
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select ISCSI_BOOT_SYSFS
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---help---
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