From: Shiraz Saleem <shiraz.saleem@intel.com>
To: jgg@nvidia.com, leon@kernel.org
Cc: linux-rdma@vger.kernel.org,
Mustafa Ismail <mustafa.ismail@intel.com>,
Shiraz Saleem <shiraz.saleem@intel.com>
Subject: [PATCH for-next] RDMA/irdma: Implement egress VLAN priority
Date: Mon, 22 May 2023 10:56:52 -0500 [thread overview]
Message-ID: <20230522155654.1309-2-shiraz.saleem@intel.com> (raw)
In-Reply-To: <20230522155654.1309-1-shiraz.saleem@intel.com>
From: Mustafa Ismail <mustafa.ismail@intel.com>
When a VLAN interface is in use, get and use the VLAN
egress mapping.
Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
---
drivers/infiniband/hw/irdma/cm.c | 50 +++++++++++++++++++++++++++++++++++--
drivers/infiniband/hw/irdma/verbs.c | 45 ++++++++++++++++++++++++++-------
2 files changed, 84 insertions(+), 11 deletions(-)
diff --git a/drivers/infiniband/hw/irdma/cm.c b/drivers/infiniband/hw/irdma/cm.c
index 70009b9..926823f 100644
--- a/drivers/infiniband/hw/irdma/cm.c
+++ b/drivers/infiniband/hw/irdma/cm.c
@@ -1555,6 +1555,26 @@ static int irdma_del_multiple_qhash(struct irdma_device *iwdev,
return ret;
}
+static u8 irdma_iw_get_vlan_prio(u32 *loc_addr, u8 prio, bool ipv4)
+{
+ struct net_device *ndev;
+
+ if (ipv4)
+ ndev = ip_dev_find(&init_net, htonl(loc_addr[0]));
+ else
+ ndev = irdma_netdev_vlan_ipv6(loc_addr, NULL, NULL);
+
+ if (!ndev)
+ return prio;
+ if (is_vlan_dev(ndev))
+ prio = (vlan_dev_get_egress_qos_mask(ndev, prio) & VLAN_PRIO_MASK)
+ >> VLAN_PRIO_SHIFT;
+ if (ipv4)
+ dev_put(ndev);
+
+ return prio;
+}
+
/**
* irdma_netdev_vlan_ipv6 - Gets the netdev and mac
* @addr: local IPv6 address
@@ -1667,6 +1687,12 @@ static int irdma_add_mqh_6(struct irdma_device *iwdev,
ifp->addr.in6_u.u6_addr32);
memcpy(cm_info->loc_addr, child_listen_node->loc_addr,
sizeof(cm_info->loc_addr));
+ if (!iwdev->vsi.dscp_mode)
+ cm_info->user_pri =
+ irdma_iw_get_vlan_prio(child_listen_node->loc_addr,
+ cm_info->user_pri,
+ false);
+
ret = irdma_manage_qhash(iwdev, cm_info,
IRDMA_QHASH_TYPE_TCP_SYN,
IRDMA_QHASH_MANAGE_TYPE_ADD,
@@ -1751,6 +1777,11 @@ static int irdma_add_mqh_4(struct irdma_device *iwdev,
ntohl(ifa->ifa_address);
memcpy(cm_info->loc_addr, child_listen_node->loc_addr,
sizeof(cm_info->loc_addr));
+ if (!iwdev->vsi.dscp_mode)
+ cm_info->user_pri =
+ irdma_iw_get_vlan_prio(child_listen_node->loc_addr,
+ cm_info->user_pri,
+ true);
ret = irdma_manage_qhash(iwdev, cm_info,
IRDMA_QHASH_TYPE_TCP_SYN,
IRDMA_QHASH_MANAGE_TYPE_ADD,
@@ -2219,6 +2250,10 @@ static void irdma_cm_free_ah(struct irdma_cm_node *cm_node)
} else {
cm_node->tos = max(listener->tos, cm_info->tos);
cm_node->user_pri = rt_tos2priority(cm_node->tos);
+ cm_node->user_pri =
+ irdma_iw_get_vlan_prio(cm_info->loc_addr,
+ cm_node->user_pri,
+ cm_info->ipv4);
}
ibdev_dbg(&iwdev->ibdev,
"DCB: listener: TOS:[%d] UP:[%d]\n", cm_node->tos,
@@ -3832,11 +3867,15 @@ int irdma_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
cm_info.cm_id = cm_id;
cm_info.qh_qpid = iwdev->vsi.ilq->qp_id;
cm_info.tos = cm_id->tos;
- if (iwdev->vsi.dscp_mode)
+ if (iwdev->vsi.dscp_mode) {
cm_info.user_pri =
iwqp->sc_qp.vsi->dscp_map[irdma_tos2dscp(cm_info.tos)];
- else
+ } else {
cm_info.user_pri = rt_tos2priority(cm_id->tos);
+ cm_info.user_pri = irdma_iw_get_vlan_prio(cm_info.loc_addr,
+ cm_info.user_pri,
+ cm_info.ipv4);
+ }
if (iwqp->sc_qp.dev->ws_add(iwqp->sc_qp.vsi, cm_info.user_pri))
return -ENOMEM;
@@ -3990,6 +4029,13 @@ int irdma_create_listen(struct iw_cm_id *cm_id, int backlog)
if (err)
goto error;
} else {
+ if (!iwdev->vsi.dscp_mode) {
+ cm_listen_node->user_pri =
+ irdma_iw_get_vlan_prio(cm_info.loc_addr,
+ cm_info.user_pri,
+ cm_info.ipv4);
+ cm_info.user_pri = cm_listen_node->user_pri;
+ }
err = irdma_manage_qhash(iwdev, &cm_info,
IRDMA_QHASH_TYPE_TCP_SYN,
IRDMA_QHASH_MANAGE_TYPE_ADD,
diff --git a/drivers/infiniband/hw/irdma/verbs.c b/drivers/infiniband/hw/irdma/verbs.c
index ab5cdf7..52084651 100644
--- a/drivers/infiniband/hw/irdma/verbs.c
+++ b/drivers/infiniband/hw/irdma/verbs.c
@@ -1097,6 +1097,24 @@ static int irdma_query_pkey(struct ib_device *ibdev, u32 port, u16 index,
return 0;
}
+static u8 irdma_roce_get_vlan_prio(struct net_device __rcu *ndev_rcu, u8 prio)
+{
+ struct net_device *ndev;
+
+ rcu_read_lock();
+ ndev = rcu_dereference(ndev_rcu);
+ if (!ndev)
+ goto exit;
+ if (is_vlan_dev(ndev)) {
+ u16 vlan_qos = vlan_dev_get_egress_qos_mask(ndev, prio);
+
+ prio = (vlan_qos & VLAN_PRIO_MASK) >> VLAN_PRIO_SHIFT;
+ }
+exit:
+ rcu_read_unlock();
+ return prio;
+}
+
/**
* irdma_modify_qp_roce - modify qp request
* @ibqp: qp's pointer for modify
@@ -1173,7 +1191,8 @@ int irdma_modify_qp_roce(struct ib_qp *ibqp, struct ib_qp_attr *attr,
if (attr_mask & IB_QP_AV) {
struct irdma_av *av = &iwqp->roce_ah.av;
- const struct ib_gid_attr *sgid_attr;
+ const struct ib_gid_attr *sgid_attr =
+ attr->ah_attr.grh.sgid_attr;
u16 vlan_id = VLAN_N_VID;
u32 local_ip[4];
@@ -1188,17 +1207,22 @@ int irdma_modify_qp_roce(struct ib_qp *ibqp, struct ib_qp_attr *attr,
roce_info->dest_qp);
irdma_qp_rem_qos(&iwqp->sc_qp);
dev->ws_remove(iwqp->sc_qp.vsi, ctx_info->user_pri);
- ctx_info->user_pri = rt_tos2priority(udp_info->tos);
- iwqp->sc_qp.user_pri = ctx_info->user_pri;
- if (dev->ws_add(iwqp->sc_qp.vsi, ctx_info->user_pri))
- return -ENOMEM;
- irdma_qp_add_qos(&iwqp->sc_qp);
+ if (iwqp->sc_qp.vsi->dscp_mode)
+ ctx_info->user_pri =
+ iwqp->sc_qp.vsi->dscp_map[irdma_tos2dscp(udp_info->tos)];
+ else
+ ctx_info->user_pri = rt_tos2priority(udp_info->tos);
}
- sgid_attr = attr->ah_attr.grh.sgid_attr;
ret = rdma_read_gid_l2_fields(sgid_attr, &vlan_id,
ctx_info->roce_info->mac_addr);
if (ret)
return ret;
+ ctx_info->user_pri = irdma_roce_get_vlan_prio(sgid_attr->ndev,
+ ctx_info->user_pri);
+ if (dev->ws_add(iwqp->sc_qp.vsi, ctx_info->user_pri))
+ return -ENOMEM;
+ iwqp->sc_qp.user_pri = ctx_info->user_pri;
+ irdma_qp_add_qos(&iwqp->sc_qp);
if (vlan_id >= VLAN_N_VID && iwdev->dcb_vlan_mode)
vlan_id = 0;
@@ -4259,9 +4283,12 @@ static int irdma_setup_ah(struct ib_ah *ibah, struct rdma_ah_init_attr *attr)
ah_info->vlan_tag = 0;
if (ah_info->vlan_tag < VLAN_N_VID) {
+ u8 prio = rt_tos2priority(ah_info->tc_tos);
+
+ prio = irdma_roce_get_vlan_prio(sgid_attr->ndev, prio);
+
+ ah_info->vlan_tag |= (u16)prio << VLAN_PRIO_SHIFT;
ah_info->insert_vlan_tag = true;
- ah_info->vlan_tag |=
- rt_tos2priority(ah_info->tc_tos) << VLAN_PRIO_SHIFT;
}
return 0;
--
1.8.3.1
next prev parent reply other threads:[~2023-05-22 15:58 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-22 15:56 [PATCH for-rc 0/2] RDMA/irdma: Bug fixes Shiraz Saleem
2023-05-22 15:56 ` Shiraz Saleem [this message]
2023-06-01 15:56 ` [PATCH for-next] RDMA/irdma: Implement egress VLAN priority Jason Gunthorpe
2023-05-22 15:56 ` [PATCH for-rc 1/2] RDMA/irdma: Prevent QP use after free Shiraz Saleem
2023-05-22 15:56 ` [PATCH for-rc 2/2] RDMA/irdma: Fix Local Invalidate fencing Shiraz Saleem
2023-05-29 17:10 ` [PATCH for-rc 0/2] RDMA/irdma: Bug fixes Jason Gunthorpe
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20230522155654.1309-2-shiraz.saleem@intel.com \
--to=shiraz.saleem@intel.com \
--cc=jgg@nvidia.com \
--cc=leon@kernel.org \
--cc=linux-rdma@vger.kernel.org \
--cc=mustafa.ismail@intel.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.