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be2net: Add abi version between be2net and ocrdma

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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>
This commit is contained in:
Devesh Sharma 2014-02-04 11:56:59 +05:30 committed by Roland Dreier
parent b6b87d2e69
commit 2407116ef9
2 changed files with 9 additions and 0 deletions
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6
drivers/net/ethernet/emulex/benet/be_roce.c
View File

@ -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))

3
drivers/net/ethernet/emulex/benet/be_roce.h
View File

@ -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);