diff options
Diffstat (limited to 'include/rdma/ib_verbs.h')
| -rw-r--r-- | include/rdma/ib_verbs.h | 28 |
1 files changed, 0 insertions, 28 deletions
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index b0f898e3b2e7..7448a2740287 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -2071,34 +2071,6 @@ static inline bool rdma_cap_eth_ah(const struct ib_device *device, u8 port_num) } /** - * rdma_cap_read_multi_sge - Check if the port of device has the capability - * RDMA Read Multiple Scatter-Gather Entries. - * @device: Device to check - * @port_num: Port number to check - * - * iWARP has a restriction that RDMA READ requests may only have a single - * Scatter/Gather Entry (SGE) in the work request. - * - * NOTE: although the linux kernel currently assumes all devices are either - * single SGE RDMA READ devices or identical SGE maximums for RDMA READs and - * WRITEs, according to Tom Talpey, this is not accurate. There are some - * devices out there that support more than a single SGE on RDMA READ - * requests, but do not support the same number of SGEs as they do on - * RDMA WRITE requests. The linux kernel would need rearchitecting to - * support these imbalanced READ/WRITE SGEs allowed devices. So, for now, - * suffice with either the device supports the same READ/WRITE SGEs, or - * it only gets one READ sge. - * - * Return: true for any device that allows more than one SGE in RDMA READ - * requests. - */ -static inline bool rdma_cap_read_multi_sge(struct ib_device *device, - u8 port_num) -{ - return !(device->port_immutable[port_num].core_cap_flags & RDMA_CORE_CAP_PROT_IWARP); -} - -/** * rdma_max_mad_size - Return the max MAD size required by this RDMA Port. * * @device: Device |