On 4/30/2014 3:31 PM, Chuck Lever wrote:
> Clean up. Remove HCA-specific clutter in xprtrdma, which is
> supposed to be device-independent.
>
> Signed-off-by: Chuck Lever <chuck.le...@oracle.com>
> ---
>
> net/sunrpc/xprtrdma/verbs.c | 14 --------------
> 1 files changed, 0 insertions(+), 14 deletions(-)
>
> diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c
> index 54edf2a..515dfc1 100644
> --- a/net/sunrpc/xprtrdma/verbs.c
> +++ b/net/sunrpc/xprtrdma/verbs.c
> @@ -48,7 +48,6 @@
> */
>
> #include <linux/interrupt.h>
> -#include <linux/pci.h> /* for Tavor hack below */
> #include <linux/slab.h>
> #include <asm/bitops.h>
>
> @@ -920,19 +919,6 @@ retry:
> }
> }
>
> -/* XXX Tavor device performs badly with 2K MTU! */
> -if (strnicmp(ia->ri_id->device->dma_device->bus->name, "pci", 3) == 0) {
> - struct pci_dev *pcid = to_pci_dev(ia->ri_id->device->dma_device);
> - if (pcid->device == PCI_DEVICE_ID_MELLANOX_TAVOR &&
> - (pcid->vendor == PCI_VENDOR_ID_MELLANOX ||
> - pcid->vendor == PCI_VENDOR_ID_TOPSPIN)) {
> - struct ib_qp_attr attr = {
> - .path_mtu = IB_MTU_1024
> - };
> - rc = ib_modify_qp(ia->ri_id->qp, &attr, IB_QP_PATH_MTU);
Note that there is OpenSM option (enable_quirks) to return 1K MTU in SA
PathRecord responses for Tavor so that can be used for this. The default
setting for enable_quirks is FALSE so that would need changing.
-- Hal
> - }
> -}
> -
> ep->rep_connected = 0;
>
> rc = rdma_connect(ia->ri_id, &ep->rep_remote_cma);
>
> --
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