git: bc3a013ccd23 - main - irdma(4): use related vnet for searching netdev
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Date: Wed, 13 Sep 2023 22:17:15 UTC
The branch main has been updated by erj:
URL: https://cgit.FreeBSD.org/src/commit/?id=bc3a013ccd23c50bb48f17211ffc36fe85d11e18
commit bc3a013ccd23c50bb48f17211ffc36fe85d11e18
Author: Bartosz Sobczak <bartosz.sobczak@intel.com>
AuthorDate: 2023-09-12 21:31:39 +0000
Commit: Eric Joyner <erj@FreeBSD.org>
CommitDate: 2023-09-13 22:16:15 +0000
irdma(4): use related vnet for searching netdev
It was found through testing that when ULP uses individual vnet, the
search for the correct vlan_id may failing because of no proper
interface with given address.
The solution is to use vnet associated to the connection whenever
possible.
Signed-off-by: Bartosz Sobczak <bartosz.sobczak@intel.com>
Signed-off-by: Eric Joyner <erj@FreeBSD.org>
Reviewed by: erj@
MFC after: 1 day
Sponsored by: Intel Corporation
Differential Revision: https://reviews.freebsd.org/D41592
---
sys/dev/irdma/fbsd_kcompat.c | 6 ++----
sys/dev/irdma/fbsd_kcompat.h | 14 ++++++++++++++
sys/dev/irdma/irdma_cm.c | 35 ++++++++++++++++++++++++-----------
sys/dev/irdma/irdma_main.h | 5 +++--
sys/dev/irdma/irdma_verbs.c | 4 ++--
5 files changed, 45 insertions(+), 19 deletions(-)
diff --git a/sys/dev/irdma/fbsd_kcompat.c b/sys/dev/irdma/fbsd_kcompat.c
index 013f9279952e..fbfa5c9e5fc4 100644
--- a/sys/dev/irdma/fbsd_kcompat.c
+++ b/sys/dev/irdma/fbsd_kcompat.c
@@ -393,8 +393,7 @@ irdma_get_dst_mac(struct irdma_cm_node *cm_node, struct sockaddr *dst_sin, u8 *d
{
struct ifnet *netdev = cm_node->iwdev->netdev;
#ifdef VIMAGE
- struct rdma_cm_id *rdma_id = (struct rdma_cm_id *)cm_node->cm_id->context;
- struct vnet *vnet = rdma_id->route.addr.dev_addr.net;
+ struct vnet *vnet = irdma_cmid_to_vnet(cm_node->cm_id);
#endif
struct ifnet *ifp;
struct llentry *lle;
@@ -492,8 +491,7 @@ irdma_resolve_neigh_lpb_chk(struct irdma_device *iwdev, struct irdma_cm_node *cm
struct irdma_cm_info *cm_info)
{
#ifdef VIMAGE
- struct rdma_cm_id *rdma_id = (struct rdma_cm_id *)cm_node->cm_id->context;
- struct vnet *vnet = rdma_id->route.addr.dev_addr.net;
+ struct vnet *vnet = irdma_cmid_to_vnet(cm_node->cm_id);
#endif
int arpindex;
int oldarpindex;
diff --git a/sys/dev/irdma/fbsd_kcompat.h b/sys/dev/irdma/fbsd_kcompat.h
index eb1e615fc048..f465f97167cc 100644
--- a/sys/dev/irdma/fbsd_kcompat.h
+++ b/sys/dev/irdma/fbsd_kcompat.h
@@ -121,6 +121,20 @@ static inline u64 *irdma_next_pbl_addr(u64 *pbl, struct irdma_pble_info **pinfo,
return (*pinfo)->addr;
}
+
+static inline struct vnet *
+irdma_cmid_to_vnet(struct iw_cm_id *cm_id)
+{
+ struct rdma_cm_id *rdma_id;
+
+ if (!cm_id)
+ return &init_net;
+
+ rdma_id = (struct rdma_cm_id *)cm_id->context;
+
+ return rdma_id->route.addr.dev_addr.net;
+}
+
#if __FreeBSD_version < 1400026
struct ib_cq *irdma_create_cq(struct ib_device *ibdev,
const struct ib_cq_init_attr *attr,
diff --git a/sys/dev/irdma/irdma_cm.c b/sys/dev/irdma/irdma_cm.c
index 48aefda681cb..c1d5875961f0 100644
--- a/sys/dev/irdma/irdma_cm.c
+++ b/sys/dev/irdma/irdma_cm.c
@@ -1624,10 +1624,13 @@ static u8 irdma_iw_get_vlan_prio(u32 *loc_addr, u8 prio, bool ipv4)
* vlan id and mac for that address.
*/
if_t
-irdma_netdev_vlan_ipv6(u32 *addr, u16 *vlan_id, u8 *mac)
+irdma_netdev_vlan_ipv6(struct iw_cm_id *cm_id, u32 *addr, u16 *vlan_id, u8 *mac)
{
if_t ip_dev = NULL;
struct in6_addr laddr6;
+#ifdef VIMAGE
+ struct vnet *vnet = irdma_cmid_to_vnet(cm_id);
+#endif
struct ifaddr *ifa;
u16 scope_id = 0;
@@ -1641,7 +1644,11 @@ irdma_netdev_vlan_ipv6(u32 *addr, u16 *vlan_id, u8 *mac)
IN6_IS_ADDR_MC_INTFACELOCAL(&laddr6))
scope_id = ntohs(laddr6.__u6_addr.__u6_addr16[1]);
+#ifdef VIMAGE
+ ip_dev = ip6_ifp_find(vnet, laddr6, scope_id);
+#else
ip_dev = ip6_ifp_find(&init_net, laddr6, scope_id);
+#endif
if (ip_dev) {
if (vlan_id)
*vlan_id = rdma_vlan_dev_vlan_id(ip_dev);
@@ -1658,12 +1665,19 @@ irdma_netdev_vlan_ipv6(u32 *addr, u16 *vlan_id, u8 *mac)
* @addr: local IPv4 address
*/
u16
-irdma_get_vlan_ipv4(u32 *addr)
+irdma_get_vlan_ipv4(struct iw_cm_id *cm_id, u32 *addr)
{
if_t netdev;
+#ifdef VIMAGE
+ struct vnet *vnet = irdma_cmid_to_vnet(cm_id);
+#endif
u16 vlan_id = 0xFFFF;
+#ifdef VIMAGE
+ netdev = ip_ifp_find(vnet, htonl(addr[0]));
+#else
netdev = ip_ifp_find(&init_net, htonl(addr[0]));
+#endif
if (netdev) {
vlan_id = rdma_vlan_dev_vlan_id(netdev);
dev_put(netdev);
@@ -2060,8 +2074,7 @@ irdma_cm_create_ah(struct irdma_cm_node *cm_node, bool wait)
struct irdma_ah_info ah_info = {0};
struct irdma_device *iwdev = cm_node->iwdev;
#ifdef VIMAGE
- struct rdma_cm_id *rdma_id = (struct rdma_cm_id *)cm_node->cm_id->context;
- struct vnet *vnet = rdma_id->route.addr.dev_addr.net;
+ struct vnet *vnet = irdma_cmid_to_vnet(cm_node->cm_id);
#endif
ether_addr_copy(ah_info.mac_addr, if_getlladdr(iwdev->netdev));
@@ -3520,11 +3533,11 @@ irdma_accept(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
if (((struct sockaddr_in *)&cm_id->local_addr)->sin_family == AF_INET) {
cm_node->ipv4 = true;
- cm_node->vlan_id = irdma_get_vlan_ipv4(cm_node->loc_addr);
+ cm_node->vlan_id = irdma_get_vlan_ipv4(cm_id, cm_node->loc_addr);
} else {
cm_node->ipv4 = false;
- irdma_netdev_vlan_ipv6(cm_node->loc_addr, &cm_node->vlan_id,
- NULL);
+ irdma_netdev_vlan_ipv6(cm_id, cm_node->loc_addr,
+ &cm_node->vlan_id, NULL);
}
irdma_debug(&iwdev->rf->sc_dev, IRDMA_DEBUG_CM, "Accept vlan_id=%d\n",
cm_node->vlan_id);
@@ -3719,7 +3732,7 @@ irdma_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
cm_info.rem_addr[0] = ntohl(raddr->sin_addr.s_addr);
cm_info.loc_port = ntohs(laddr->sin_port);
cm_info.rem_port = ntohs(raddr->sin_port);
- cm_info.vlan_id = irdma_get_vlan_ipv4(cm_info.loc_addr);
+ cm_info.vlan_id = irdma_get_vlan_ipv4(cm_id, cm_info.loc_addr);
} else {
if (iwdev->vsi.mtu < IRDMA_MIN_MTU_IPV6)
return -EINVAL;
@@ -3731,7 +3744,7 @@ irdma_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
raddr6->sin6_addr.__u6_addr.__u6_addr32);
cm_info.loc_port = ntohs(laddr6->sin6_port);
cm_info.rem_port = ntohs(raddr6->sin6_port);
- irdma_netdev_vlan_ipv6(cm_info.loc_addr, &cm_info.vlan_id, NULL);
+ irdma_netdev_vlan_ipv6(cm_id, cm_info.loc_addr, &cm_info.vlan_id, NULL);
}
cm_info.cm_id = cm_id;
cm_info.qh_qpid = iwdev->vsi.ilq->qp_id;
@@ -3846,7 +3859,7 @@ irdma_create_listen(struct iw_cm_id *cm_id, int backlog)
cm_info.loc_port = ntohs(laddr->sin_port);
if (laddr->sin_addr.s_addr != htonl(INADDR_ANY)) {
- cm_info.vlan_id = irdma_get_vlan_ipv4(cm_info.loc_addr);
+ cm_info.vlan_id = irdma_get_vlan_ipv4(cm_id, cm_info.loc_addr);
} else {
cm_info.vlan_id = 0xFFFF;
wildcard = true;
@@ -3860,7 +3873,7 @@ irdma_create_listen(struct iw_cm_id *cm_id, int backlog)
laddr6->sin6_addr.__u6_addr.__u6_addr32);
cm_info.loc_port = ntohs(laddr6->sin6_port);
if (!IN6_IS_ADDR_UNSPECIFIED(&laddr6->sin6_addr)) {
- irdma_netdev_vlan_ipv6(cm_info.loc_addr,
+ irdma_netdev_vlan_ipv6(cm_id, cm_info.loc_addr,
&cm_info.vlan_id, NULL);
} else {
cm_info.vlan_id = 0xFFFF;
diff --git a/sys/dev/irdma/irdma_main.h b/sys/dev/irdma/irdma_main.h
index 25c3fcfc939e..aa5bbee2fb77 100644
--- a/sys/dev/irdma/irdma_main.h
+++ b/sys/dev/irdma/irdma_main.h
@@ -584,8 +584,9 @@ void irdma_gen_ae(struct irdma_pci_f *rf, struct irdma_sc_qp *qp,
struct irdma_gen_ae_info *info, bool wait);
void irdma_copy_ip_ntohl(u32 *dst, __be32 *src);
void irdma_copy_ip_htonl(__be32 *dst, u32 *src);
-u16 irdma_get_vlan_ipv4(u32 *addr);
-if_t irdma_netdev_vlan_ipv6(u32 *addr, u16 *vlan_id, u8 *mac);
+u16 irdma_get_vlan_ipv4(struct iw_cm_id *cm_id, u32 *addr);
+if_t irdma_netdev_vlan_ipv6(struct iw_cm_id *cm_id, u32 *addr, u16 *vlan_id,
+ u8 *mac);
struct ib_mr *irdma_reg_phys_mr(struct ib_pd *ib_pd, u64 addr, u64 size,
int acc, u64 *iova_start);
int irdma_upload_qp_context(struct irdma_qp *iwqp, bool freeze, bool raw);
diff --git a/sys/dev/irdma/irdma_verbs.c b/sys/dev/irdma/irdma_verbs.c
index 8b7b34f7b2fb..cda8041ab397 100644
--- a/sys/dev/irdma/irdma_verbs.c
+++ b/sys/dev/irdma/irdma_verbs.c
@@ -3336,7 +3336,7 @@ irdma_attach_mcast(struct ib_qp *ibqp, union ib_gid *ibgid, u16 lid)
if (!ipv6_addr_v4mapped((struct in6_addr *)ibgid)) {
irdma_copy_ip_ntohl(ip_addr,
sgid_addr.saddr_in6.sin6_addr.__u6_addr.__u6_addr32);
- irdma_netdev_vlan_ipv6(ip_addr, &vlan_id, NULL);
+ irdma_netdev_vlan_ipv6(iwqp->cm_id, ip_addr, &vlan_id, NULL);
ipv4 = false;
irdma_debug(&iwdev->rf->sc_dev, IRDMA_DEBUG_VERBS,
"qp_id=%d, IP6address=%x:%x:%x:%x\n", ibqp->qp_num,
@@ -3345,7 +3345,7 @@ irdma_attach_mcast(struct ib_qp *ibqp, union ib_gid *ibgid, u16 lid)
} else {
ip_addr[0] = ntohl(sgid_addr.saddr_in.sin_addr.s_addr);
ipv4 = true;
- vlan_id = irdma_get_vlan_ipv4(ip_addr);
+ vlan_id = irdma_get_vlan_ipv4(iwqp->cm_id, ip_addr);
irdma_mcast_mac_v4(ip_addr, dmac);
irdma_debug(&iwdev->rf->sc_dev, IRDMA_DEBUG_VERBS,
"qp_id=%d, IP4address=%x, MAC=%x:%x:%x:%x:%x:%x\n",