diff options
Diffstat (limited to 'drivers/nvme/host/tcp.c')
| -rw-r--r-- | drivers/nvme/host/tcp.c | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c index 34f4b3402f7c..5fc6c568c626 100644 --- a/drivers/nvme/host/tcp.c +++ b/drivers/nvme/host/tcp.c @@ -123,6 +123,7 @@ struct nvme_tcp_ctrl { struct blk_mq_tag_set admin_tag_set; struct sockaddr_storage addr; struct sockaddr_storage src_addr; + struct net_device *ndev; struct nvme_ctrl ctrl; struct work_struct err_work; @@ -1455,6 +1456,20 @@ static int nvme_tcp_alloc_queue(struct nvme_ctrl *nctrl, } } + if (nctrl->opts->mask & NVMF_OPT_HOST_IFACE) { + char *iface = nctrl->opts->host_iface; + sockptr_t optval = KERNEL_SOCKPTR(iface); + + ret = sock_setsockopt(queue->sock, SOL_SOCKET, SO_BINDTODEVICE, + optval, strlen(iface)); + if (ret) { + dev_err(nctrl->device, + "failed to bind to interface %s queue %d err %d\n", + iface, qid, ret); + goto err_sock; + } + } + queue->hdr_digest = nctrl->opts->hdr_digest; queue->data_digest = nctrl->opts->data_digest; if (queue->hdr_digest || queue->data_digest) { @@ -2515,6 +2530,16 @@ static struct nvme_ctrl *nvme_tcp_create_ctrl(struct device *dev, } } + if (opts->mask & NVMF_OPT_HOST_IFACE) { + ctrl->ndev = dev_get_by_name(&init_net, opts->host_iface); + if (!ctrl->ndev) { + pr_err("invalid interface passed: %s\n", + opts->host_iface); + ret = -ENODEV; + goto out_free_ctrl; + } + } + if (!opts->duplicate_connect && nvme_tcp_existing_controller(opts)) { ret = -EALREADY; goto out_free_ctrl; @@ -2571,7 +2596,7 @@ static struct nvmf_transport_ops nvme_tcp_transport = { NVMF_OPT_HOST_TRADDR | NVMF_OPT_CTRL_LOSS_TMO | NVMF_OPT_HDR_DIGEST | NVMF_OPT_DATA_DIGEST | NVMF_OPT_NR_WRITE_QUEUES | NVMF_OPT_NR_POLL_QUEUES | - NVMF_OPT_TOS, + NVMF_OPT_TOS | NVMF_OPT_HOST_IFACE, .create_ctrl = nvme_tcp_create_ctrl, }; |