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path: root/net/smc/smc_pnet.c
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Diffstat (limited to 'net/smc/smc_pnet.c')
-rw-r--r--net/smc/smc_pnet.c30
1 files changed, 21 insertions, 9 deletions
diff --git a/net/smc/smc_pnet.c b/net/smc/smc_pnet.c
index 1b6c066d3495..01c6ce042a1c 100644
--- a/net/smc/smc_pnet.c
+++ b/net/smc/smc_pnet.c
@@ -535,11 +535,13 @@ static struct net_device *pnet_find_base_ndev(struct net_device *ndev)
}
/* Determine the corresponding IB device port based on the hardware PNETID.
- * Searching stops at the first matching active IB device port.
+ * Searching stops at the first matching active IB device port with vlan_id
+ * configured.
*/
static void smc_pnet_find_roce_by_pnetid(struct net_device *ndev,
struct smc_ib_device **smcibdev,
- u8 *ibport)
+ u8 *ibport, unsigned short vlan_id,
+ u8 gid[])
{
u8 ndev_pnetid[SMC_MAX_PNETID_LEN];
struct smc_ib_device *ibdev;
@@ -553,15 +555,20 @@ static void smc_pnet_find_roce_by_pnetid(struct net_device *ndev,
spin_lock(&smc_ib_devices.lock);
list_for_each_entry(ibdev, &smc_ib_devices.list, list) {
for (i = 1; i <= SMC_MAX_PORTS; i++) {
+ if (!rdma_is_port_valid(ibdev->ibdev, i))
+ continue;
if (!memcmp(ibdev->pnetid[i - 1], ndev_pnetid,
SMC_MAX_PNETID_LEN) &&
- smc_ib_port_active(ibdev, i)) {
+ smc_ib_port_active(ibdev, i) &&
+ !smc_ib_determine_gid(ibdev, i, vlan_id, gid,
+ NULL)) {
*smcibdev = ibdev;
*ibport = i;
- break;
+ goto out;
}
}
}
+out:
spin_unlock(&smc_ib_devices.lock);
}
@@ -589,7 +596,8 @@ static void smc_pnet_find_ism_by_pnetid(struct net_device *ndev,
/* Lookup of coupled ib_device via SMC pnet table */
static void smc_pnet_find_roce_by_table(struct net_device *netdev,
struct smc_ib_device **smcibdev,
- u8 *ibport)
+ u8 *ibport, unsigned short vlan_id,
+ u8 gid[])
{
struct smc_pnetentry *pnetelem;
@@ -597,7 +605,10 @@ static void smc_pnet_find_roce_by_table(struct net_device *netdev,
list_for_each_entry(pnetelem, &smc_pnettable.pnetlist, list) {
if (netdev == pnetelem->ndev) {
if (smc_ib_port_active(pnetelem->smcibdev,
- pnetelem->ib_port)) {
+ pnetelem->ib_port) &&
+ !smc_ib_determine_gid(pnetelem->smcibdev,
+ pnetelem->ib_port, vlan_id,
+ gid, NULL)) {
*smcibdev = pnetelem->smcibdev;
*ibport = pnetelem->ib_port;
}
@@ -612,7 +623,8 @@ static void smc_pnet_find_roce_by_table(struct net_device *netdev,
* ethernet interface.
*/
void smc_pnet_find_roce_resource(struct sock *sk,
- struct smc_ib_device **smcibdev, u8 *ibport)
+ struct smc_ib_device **smcibdev, u8 *ibport,
+ unsigned short vlan_id, u8 gid[])
{
struct dst_entry *dst = sk_dst_get(sk);
@@ -625,12 +637,12 @@ void smc_pnet_find_roce_resource(struct sock *sk,
goto out_rel;
/* if possible, lookup via hardware-defined pnetid */
- smc_pnet_find_roce_by_pnetid(dst->dev, smcibdev, ibport);
+ smc_pnet_find_roce_by_pnetid(dst->dev, smcibdev, ibport, vlan_id, gid);
if (*smcibdev)
goto out_rel;
/* lookup via SMC PNET table */
- smc_pnet_find_roce_by_table(dst->dev, smcibdev, ibport);
+ smc_pnet_find_roce_by_table(dst->dev, smcibdev, ibport, vlan_id, gid);
out_rel:
dst_release(dst);