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-rw-r--r--drivers/infiniband/ulp/srp/ib_srp.c10
-rw-r--r--drivers/infiniband/ulp/srp/ib_srp.h1
2 files changed, 11 insertions, 0 deletions
diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c
index 6fddd14b6bd9..c46d2799d192 100644
--- a/drivers/infiniband/ulp/srp/ib_srp.c
+++ b/drivers/infiniband/ulp/srp/ib_srp.c
@@ -3414,6 +3414,7 @@ enum {
SRP_OPT_IP_SRC = 1 << 15,
SRP_OPT_IP_DEST = 1 << 16,
SRP_OPT_TARGET_CAN_QUEUE= 1 << 17,
+ SRP_OPT_MAX_IT_IU_SIZE = 1 << 18,
};
static unsigned int srp_opt_mandatory[] = {
@@ -3446,6 +3447,7 @@ static const match_table_t srp_opt_tokens = {
{ SRP_OPT_QUEUE_SIZE, "queue_size=%d" },
{ SRP_OPT_IP_SRC, "src=%s" },
{ SRP_OPT_IP_DEST, "dest=%s" },
+ { SRP_OPT_MAX_IT_IU_SIZE, "max_it_iu_size=%d" },
{ SRP_OPT_ERR, NULL }
};
@@ -3739,6 +3741,14 @@ static int srp_parse_options(struct net *net, const char *buf,
target->tl_retry_count = token;
break;
+ case SRP_OPT_MAX_IT_IU_SIZE:
+ if (match_int(args, &token) || token < 0) {
+ pr_warn("bad maximum initiator to target IU size '%s'\n", p);
+ goto out;
+ }
+ target->max_it_iu_size = token;
+ break;
+
default:
pr_warn("unknown parameter or missing value '%s' in target creation request\n",
p);
diff --git a/drivers/infiniband/ulp/srp/ib_srp.h b/drivers/infiniband/ulp/srp/ib_srp.h
index f38fbb00d0e8..5359ece561ca 100644
--- a/drivers/infiniband/ulp/srp/ib_srp.h
+++ b/drivers/infiniband/ulp/srp/ib_srp.h
@@ -210,6 +210,7 @@ struct srp_target_port {
u32 ch_count;
u32 lkey;
enum srp_target_state state;
+ uint32_t max_it_iu_size;
unsigned int cmd_sg_cnt;
unsigned int indirect_size;
bool allow_ext_sg;