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RDMA/irdma: Implement egress VLAN priority

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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>
Link: https://lore.kernel.org/r/20230711175318.1301-1-shiraz.saleem@intel.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
This commit is contained in:
Mustafa Ismail 2023-07-11 12:53:18 -05:00 committed by Leon Romanovsky
parent 65e02e8408
commit f877f22ac1
2 changed files with 99 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

66
drivers/infiniband/hw/irdma/cm.c
View File

@ -1555,6 +1555,41 @@ 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 = NULL;
rcu_read_lock();
if (ipv4) {
ndev = ip_dev_find(&init_net, htonl(loc_addr[0]));
} else {
struct net_device *ip_dev;
struct in6_addr laddr6;
irdma_copy_ip_htonl(laddr6.in6_u.u6_addr32, loc_addr);
for_each_netdev_rcu (&init_net, ip_dev) {
if (ipv6_chk_addr(&init_net, &laddr6, ip_dev, 1)) {
ndev = ip_dev;
break;
}
}
}
if (!ndev)
goto done;
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);
done:
rcu_read_unlock();
return prio;
}
/**
* irdma_netdev_vlan_ipv6 - Gets the netdev and mac
* @addr: local IPv6 address
@ -1667,6 +1702,12 @@ 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 +1792,11 @@ 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 +2265,10 @@ irdma_make_cm_node(struct irdma_cm_core *cm_core, struct irdma_device *iwdev,
} 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 +3882,15 @@ 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;
@ -3980,7 +4034,7 @@ int irdma_create_listen(struct iw_cm_id *cm_id, int backlog)
cm_listen_node->tos = cm_id->tos;
if (iwdev->vsi.dscp_mode)
cm_listen_node->user_pri =
iwdev->vsi.dscp_map[irdma_tos2dscp(cm_id->tos)];
iwdev->vsi.dscp_map[irdma_tos2dscp(cm_id->tos)];
else
cm_listen_node->user_pri = rt_tos2priority(cm_id->tos);
cm_info.user_pri = cm_listen_node->user_pri;
@ -3990,6 +4044,12 @@ 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,

45
drivers/infiniband/hw/irdma/verbs.c
View File

@ -1098,6 +1098,24 @@ static int irdma_query_pkey(struct ib_device *ibdev, u32 port, u16 index,
return 0;
}
static u8 irdma_roce_get_vlan_prio(const struct ib_gid_attr *attr, u8 prio)
{
struct net_device *ndev;
rcu_read_lock();
ndev = rcu_dereference(attr->ndev);
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
@ -1174,7 +1192,8 @@ 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];
@ -1189,17 +1208,22 @@ 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,
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;
@ -4261,9 +4285,12 @@ 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, 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;