diff options
| author | Ram Amrani <Ram.Amrani@cavium.com> | 2016-10-10 12:15:37 +0200 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2016-10-14 21:00:10 +0200 |
| commit | 1d1424c8f834e4e3b8792d310a94b0e2e8f59b4c (patch) | |
| tree | 81908e7dbc43a2862ca65007a4dae5110311e162 /drivers/infiniband | |
| parent | qedr: Add support for data path (diff) | |
| download | linux-1d1424c8f834e4e3b8792d310a94b0e2e8f59b4c.tar.xz linux-1d1424c8f834e4e3b8792d310a94b0e2e8f59b4c.zip | |
qedr: Add LL2 RoCE interface
Add light L2 interface for RoCE.
Signed-off-by: Rajesh Borundia <rajesh.borundia@cavium.com>
Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband')
| -rw-r--r-- | drivers/infiniband/hw/qedr/main.c | 34 | ||||
| -rw-r--r-- | drivers/infiniband/hw/qedr/qedr.h | 2 |
2 files changed, 34 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/qedr/main.c b/drivers/infiniband/hw/qedr/main.c index 858cc354153d..e5a07a2d4c5e 100644 --- a/drivers/infiniband/hw/qedr/main.c +++ b/drivers/infiniband/hw/qedr/main.c @@ -724,6 +724,38 @@ static void qedr_shutdown(struct qedr_dev *dev) qedr_remove(dev); } +static void qedr_mac_address_change(struct qedr_dev *dev) +{ + union ib_gid *sgid = &dev->sgid_tbl[0]; + u8 guid[8], mac_addr[6]; + int rc; + + /* Update SGID */ + ether_addr_copy(&mac_addr[0], dev->ndev->dev_addr); + guid[0] = mac_addr[0] ^ 2; + guid[1] = mac_addr[1]; + guid[2] = mac_addr[2]; + guid[3] = 0xff; + guid[4] = 0xfe; + guid[5] = mac_addr[3]; + guid[6] = mac_addr[4]; + guid[7] = mac_addr[5]; + sgid->global.subnet_prefix = cpu_to_be64(0xfe80000000000000LL); + memcpy(&sgid->raw[8], guid, sizeof(guid)); + + /* Update LL2 */ + rc = dev->ops->roce_ll2_set_mac_filter(dev->cdev, + dev->gsi_ll2_mac_address, + dev->ndev->dev_addr); + + ether_addr_copy(dev->gsi_ll2_mac_address, dev->ndev->dev_addr); + + qedr_ib_dispatch_event(dev, 1, IB_EVENT_GID_CHANGE); + + if (rc) + DP_ERR(dev, "Error updating mac filter\n"); +} + /* event handling via NIC driver ensures that all the NIC specific * initialization done before RoCE driver notifies * event to stack. @@ -741,7 +773,7 @@ static void qedr_notify(struct qedr_dev *dev, enum qede_roce_event event) qedr_shutdown(dev); break; case QEDE_CHANGE_ADDR: - qedr_ib_dispatch_event(dev, 1, IB_EVENT_GID_CHANGE); + qedr_mac_address_change(dev); break; default: pr_err("Event not supported\n"); diff --git a/drivers/infiniband/hw/qedr/qedr.h b/drivers/infiniband/hw/qedr/qedr.h index 775dbf16fdf2..0b404d87921f 100644 --- a/drivers/infiniband/hw/qedr/qedr.h +++ b/drivers/infiniband/hw/qedr/qedr.h @@ -147,7 +147,7 @@ struct qedr_dev { u8 dp_level; u8 num_hwfns; uint wq_multiplier; - + u8 gsi_ll2_mac_address[ETH_ALEN]; }; #define QEDR_MAX_SQ_PBL (0x8000) |