diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2014-01-24 17:18:32 -0800 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-01-24 17:18:32 -0800 |
commit | 8e585a6c4abdef8562308f3f307aeea6cf168e8b (patch) | |
tree | 70236b30b362123b009f2b723056072f7028d75e | |
parent | 1b59bab55e36082b1db3dc81bb32475616487a98 (diff) | |
parent | fb1b5034e4987b158179a62732fb6dfb8f7ec88e (diff) |
Merge tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
Pull infiniband updates from Roland Dreier:
"Main batch of InfiniBand/RDMA changes for 3.14:
- Flow steering for InfiniBand UD traffic
- IP-based addressing for IBoE aka RoCE
- Pass SRP submaintainership from Dave to Bart
- SRP transport fixes from Bart
- Add the new Cisco usNIC low-level device driver
- Various other fixes"
* tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: (75 commits)
IB/mlx5: Verify reserved fields are cleared
IB/mlx5: Remove old field for create mkey mailbox
IB/mlx5: Abort driver cleanup if teardown hca fails
IB/mlx5: Allow creation of QPs with zero-length work queues
mlx5_core: Fix PowerPC support
mlx5_core: Improve debugfs readability
IB/mlx5: Add support for resize CQ
IB/mlx5: Implement modify CQ
IB/mlx5: Make sure doorbell record is visible before doorbell
mlx5_core: Use mlx5 core style warning
IB/mlx5: Clear out struct before create QP command
mlx5_core: Fix out arg size in access_register command
RDMA/nes: Slight optimization of Ethernet address compare
IB/qib: Fix QP check when looping back to/from QP1
RDMA/cxgb4: Fix gcc warning on 32-bit arch
IB/usnic: Remove unused includes of <linux/version.h>
RDMA/amso1100: Add check if cache memory was allocated before freeing it
IPoIB: Report operstate consistently when brought up without a link
IB/core: Fix unused variable warning
RDMA/cma: Handle global/non-linklocal IPv6 addresses in cma_check_linklocal()
...
100 files changed, 7663 insertions, 567 deletions
diff --git a/Documentation/scsi/scsi_transport_srp/Makefile b/Documentation/scsi/scsi_transport_srp/Makefile new file mode 100644 index 000000000000..5f6b567e955c --- /dev/null +++ b/Documentation/scsi/scsi_transport_srp/Makefile @@ -0,0 +1,7 @@ +all: rport_state_diagram.svg rport_state_diagram.png + +rport_state_diagram.svg: rport_state_diagram.dot + dot -Tsvg -o $@ $< + +rport_state_diagram.png: rport_state_diagram.dot + dot -Tpng -o $@ $< diff --git a/Documentation/scsi/scsi_transport_srp/rport_state_diagram.dot b/Documentation/scsi/scsi_transport_srp/rport_state_diagram.dot new file mode 100644 index 000000000000..75d610d6411a --- /dev/null +++ b/Documentation/scsi/scsi_transport_srp/rport_state_diagram.dot @@ -0,0 +1,26 @@ +digraph srp_initiator { + node [shape = doublecircle]; running lost; + node [shape = circle]; + + { + rank = min; + running_rta [ label = "running;\nreconnect\ntimer\nactive" ]; + }; + running [ label = "running;\nreconnect\ntimer\nstopped" ]; + blocked; + failfast [ label = "fail I/O\nfast" ]; + lost; + + running -> running_rta [ label = "fast_io_fail_tmo = off and\ndev_loss_tmo = off;\nsrp_start_tl_fail_timers()" ]; + running_rta -> running [ label = "fast_io_fail_tmo = off and\ndev_loss_tmo = off;\nreconnecting succeeded" ]; + running -> blocked [ label = "fast_io_fail_tmo >= 0 or\ndev_loss_tmo >= 0;\nsrp_start_tl_fail_timers()" ]; + running -> failfast [ label = "fast_io_fail_tmo = off and\ndev_loss_tmo = off;\nreconnecting failed\n" ]; + blocked -> failfast [ label = "fast_io_fail_tmo\nexpired or\nreconnecting\nfailed" ]; + blocked -> lost [ label = "dev_loss_tmo\nexpired or\nsrp_stop_rport_timers()" ]; + failfast -> lost [ label = "dev_loss_tmo\nexpired or\nsrp_stop_rport_timers()" ]; + blocked -> running [ label = "reconnecting\nsucceeded" ]; + failfast -> failfast [ label = "reconnecting\nfailed" ]; + failfast -> running [ label = "reconnecting\nsucceeded" ]; + running -> lost [ label = "srp_stop_rport_timers()" ]; + running_rta -> lost [ label = "srp_stop_rport_timers()" ]; +} diff --git a/MAINTAINERS b/MAINTAINERS index 17cabd8d0dcb..8a777a235cc9 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2195,6 +2195,11 @@ M: Nishank Trivedi <nistrive@cisco.com> S: Supported F: drivers/net/ethernet/cisco/enic/ +CISCO VIC LOW LATENCY NIC DRIVER +M: Upinder Malhi <umalhi@cisco.com> +S: Supported +F: drivers/infiniband/hw/usnic + CIRRUS LOGIC EP93XX ETHERNET DRIVER M: Hartley Sweeten <hsweeten@visionengravers.com> L: netdev@vger.kernel.org @@ -7528,7 +7533,7 @@ S: Maintained F: drivers/scsi/sr* SCSI RDMA PROTOCOL (SRP) INITIATOR -M: David Dillow <dillowda@ornl.gov> +M: Bart Van Assche <bvanassche@acm.org> L: linux-rdma@vger.kernel.org S: Supported W: http://www.openfabrics.org diff --git a/drivers/infiniband/Kconfig b/drivers/infiniband/Kconfig index 5ceda710f516..77089399359b 100644 --- a/drivers/infiniband/Kconfig +++ b/drivers/infiniband/Kconfig @@ -3,6 +3,8 @@ menuconfig INFINIBAND depends on PCI || BROKEN depends on HAS_IOMEM depends on NET + depends on INET + depends on m || IPV6 != m ---help--- Core support for InfiniBand (IB). Make sure to also select any protocols you wish to use as well as drivers for your @@ -38,8 +40,7 @@ config INFINIBAND_USER_MEM config INFINIBAND_ADDR_TRANS bool - depends on INET - depends on !(INFINIBAND = y && IPV6 = m) + depends on INFINIBAND default y source "drivers/infiniband/hw/mthca/Kconfig" @@ -53,6 +54,7 @@ source "drivers/infiniband/hw/mlx4/Kconfig" source "drivers/infiniband/hw/mlx5/Kconfig" source "drivers/infiniband/hw/nes/Kconfig" source "drivers/infiniband/hw/ocrdma/Kconfig" +source "drivers/infiniband/hw/usnic/Kconfig" source "drivers/infiniband/ulp/ipoib/Kconfig" diff --git a/drivers/infiniband/Makefile b/drivers/infiniband/Makefile index 1fe69888515f..bf508b5550c4 100644 --- a/drivers/infiniband/Makefile +++ b/drivers/infiniband/Makefile @@ -10,6 +10,7 @@ obj-$(CONFIG_MLX4_INFINIBAND) += hw/mlx4/ obj-$(CONFIG_MLX5_INFINIBAND) += hw/mlx5/ obj-$(CONFIG_INFINIBAND_NES) += hw/nes/ obj-$(CONFIG_INFINIBAND_OCRDMA) += hw/ocrdma/ +obj-$(CONFIG_INFINIBAND_USNIC) += hw/usnic/ obj-$(CONFIG_INFINIBAND_IPOIB) += ulp/ipoib/ obj-$(CONFIG_INFINIBAND_SRP) += ulp/srp/ obj-$(CONFIG_INFINIBAND_SRPT) += ulp/srpt/ diff --git a/drivers/infiniband/core/Makefile b/drivers/infiniband/core/Makefile index c8bbaef1becb..3ab3865544bb 100644 --- a/drivers/infiniband/core/Makefile +++ b/drivers/infiniband/core/Makefile @@ -1,8 +1,9 @@ -infiniband-$(CONFIG_INFINIBAND_ADDR_TRANS) := ib_addr.o rdma_cm.o +infiniband-$(CONFIG_INFINIBAND_ADDR_TRANS) := rdma_cm.o user_access-$(CONFIG_INFINIBAND_ADDR_TRANS) := rdma_ucm.o obj-$(CONFIG_INFINIBAND) += ib_core.o ib_mad.o ib_sa.o \ - ib_cm.o iw_cm.o $(infiniband-y) + ib_cm.o iw_cm.o ib_addr.o \ + $(infiniband-y) obj-$(CONFIG_INFINIBAND_USER_MAD) += ib_umad.o obj-$(CONFIG_INFINIBAND_USER_ACCESS) += ib_uverbs.o ib_ucm.o \ $(user_access-y) diff --git a/drivers/infiniband/core/addr.c b/drivers/infiniband/core/addr.c index e90f2b2eabd7..8172d37f9add 100644 --- a/drivers/infiniband/core/addr.c +++ b/drivers/infiniband/core/addr.c @@ -86,6 +86,8 @@ int rdma_addr_size(struct sockaddr *addr) } EXPORT_SYMBOL(rdma_addr_size); +static struct rdma_addr_client self; + void rdma_addr_register_client(struct rdma_addr_client *client) { atomic_set(&client->refcount, 1); @@ -119,7 +121,8 @@ int rdma_copy_addr(struct rdma_dev_addr *dev_addr, struct net_device *dev, } EXPORT_SYMBOL(rdma_copy_addr); -int rdma_translate_ip(struct sockaddr *addr, struct rdma_dev_addr *dev_addr) +int rdma_translate_ip(struct sockaddr *addr, struct rdma_dev_addr *dev_addr, + u16 *vlan_id) { struct net_device *dev; int ret = -EADDRNOTAVAIL; @@ -142,6 +145,8 @@ int rdma_translate_ip(struct sockaddr *addr, struct rdma_dev_addr *dev_addr) return ret; ret = rdma_copy_addr(dev_addr, dev, NULL); + if (vlan_id) + *vlan_id = rdma_vlan_dev_vlan_id(dev); dev_put(dev); break; @@ -153,6 +158,8 @@ int rdma_translate_ip(struct sockaddr *addr, struct rdma_dev_addr *dev_addr) &((struct sockaddr_in6 *) addr)->sin6_addr, dev, 1)) { ret = rdma_copy_addr(dev_addr, dev, NULL); + if (vlan_id) + *vlan_id = rdma_vlan_dev_vlan_id(dev); break; } } @@ -238,7 +245,7 @@ static int addr4_resolve(struct sockaddr_in *src_in, src_in->sin_addr.s_addr = fl4.saddr; if (rt->dst.dev->flags & IFF_LOOPBACK) { - ret = rdma_translate_ip((struct sockaddr *) dst_in, addr); + ret = rdma_translate_ip((struct sockaddr *)dst_in, addr, NULL); if (!ret) memcpy(addr->dst_dev_addr, addr->src_dev_addr, MAX_ADDR_LEN); goto put; @@ -286,7 +293,7 @@ static int addr6_resolve(struct sockaddr_in6 *src_in, } if (dst->dev->flags & IFF_LOOPBACK) { - ret = rdma_translate_ip((struct sockaddr *) dst_in, addr); + ret = rdma_translate_ip((struct sockaddr *)dst_in, addr, NULL); if (!ret) memcpy(addr->dst_dev_addr, addr->src_dev_addr, MAX_ADDR_LEN); goto put; @@ -437,6 +444,88 @@ void rdma_addr_cancel(struct rdma_dev_addr *addr) } |