diff options
| author |   Devesh Sharma <devesh.sharma@emulex.com> | 2014-02-04 11:56:59 +0530 |
|---|---|---|
| committer |   Roland Dreier <roland@purestorage.com> | 2014-04-03 08:29:55 -0700 |
| commit | 2407116ef90f684246e208275e6883e0706be432 (patch) | |
| tree | fd2fec05ecae9eec61687be17ce4607e36074edb /drivers | |
| parent | RDMA/ocrdma: ABI versioning between ocrdma and be2net (diff) | |
| download | linux-dev-2407116ef90f684246e208275e6883e0706be432.tar.xz linux-dev-2407116ef90f684246e208275e6883e0706be432.zip | |
be2net: Add abi version between be2net and ocrdma
This patch adds abi versioning between be2net and ocrdma driver modules
to catch functional incompatibilities in the two drivers.
Signed-off-by: Devesh Sharma <devesh.sharma@emulex.com>
Signed-off-by: Selvin Xavier <selvin.xavier@emulex.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/emulex/benet/be_roce.c | 6 | ||||
| -rw-r--r-- | drivers/net/ethernet/emulex/benet/be_roce.h | 3 |
2 files changed, 9 insertions, 0 deletions
diff --git a/drivers/net/ethernet/emulex/benet/be_roce.c b/drivers/net/ethernet/emulex/benet/be_roce.c index 9cd5415fe017..aa7f94375108 100644 --- a/drivers/net/ethernet/emulex/benet/be_roce.c +++ b/drivers/net/ethernet/emulex/benet/be_roce.c @@ -35,6 +35,12 @@ static void _be_roce_dev_add(struct be_adapter *adapter) if (!ocrdma_drv) return; + + if (ocrdma_drv->be_abi_version != BE_ROCE_ABI_VERSION) { + dev_warn(&pdev->dev, "Cannot initialize RoCE due to ocrdma ABI mismatch\n"); + return; + } + if (pdev->device == OC_DEVICE_ID5) { /* only msix is supported on these devices */ if (!msix_enabled(adapter)) diff --git a/drivers/net/ethernet/emulex/benet/be_roce.h b/drivers/net/ethernet/emulex/benet/be_roce.h index 2cd1129e19af..1bfb16164df8 100644 --- a/drivers/net/ethernet/emulex/benet/be_roce.h +++ b/drivers/net/ethernet/emulex/benet/be_roce.h @@ -21,6 +21,8 @@ #include <linux/pci.h> #include <linux/netdevice.h> +#define BE_ROCE_ABI_VERSION 1 + struct ocrdma_dev; enum be_interrupt_mode { @@ -52,6 +54,7 @@ struct be_dev_info { /* ocrdma driver register's the callback functions with nic driver. */ struct ocrdma_driver { unsigned char name[32]; + u32 be_abi_version; struct ocrdma_dev *(*add) (struct be_dev_info *dev_info); void (*remove) (struct ocrdma_dev *); void (*state_change_handler) (struct ocrdma_dev *, u32 new_state); |