IB/core: Add checksum offload support
Signed-off-by: Eli Cohen <[EMAIL PROTECTED]>
---
include/rdma/ib_verbs.h | 13 +++++++++++--
1 files changed, 11 insertions(+), 2 deletions(-)
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index cfbd38f..85f2cda 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -95,7 +95,14 @@ enum ib_device_cap_flags {
IB_DEVICE_N_NOTIFY_CQ = (1<<14),
IB_DEVICE_ZERO_STAG = (1<<15),
IB_DEVICE_SEND_W_INV = (1<<16),
- IB_DEVICE_MEM_WINDOW = (1<<17)
+ IB_DEVICE_MEM_WINDOW = (1<<17),
+ /*
+ * devices which publish this capability must support insertion of UDP
+ * and TCP checksum on outgoing packets and can verify the validity of
+ * checksum for incoming packets. Setting this flag implies the driver
+ * may set NETIF_F_IP_CSUM.
+ */
+ IB_DEVICE_IP_CSUM = (1<<18),
};
enum ib_atomic_cap {
@@ -431,6 +438,7 @@ struct ib_wc {
u8 sl;
u8 dlid_path_bits;
u8 port_num; /* valid only for DR SMPs on
switches */
+ int csum_ok;
};
enum ib_cq_notify_flags {
@@ -615,7 +623,8 @@ enum ib_send_flags {
IB_SEND_FENCE = 1,
IB_SEND_SIGNALED = (1<<1),
IB_SEND_SOLICITED = (1<<2),
- IB_SEND_INLINE = (1<<3)
+ IB_SEND_INLINE = (1<<3),
+ IB_SEND_IP_CSUM = (1<<4)
};
struct ib_sge {
--
1.5.3.8
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