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authorDoug Ledford <dledford@redhat.com>2015-06-02 15:33:22 +0200
committerDoug Ledford <dledford@redhat.com>2015-06-02 15:33:22 +0200
commitb806ef3bbed39c95b45343bf0fd78802142f6017 (patch)
treeeab4e67bef332c78c25d95e00b2d6ce3241f1aee /net
parentIB/core cleanup: Add const to args - agent_send_response (diff)
parentIB/mlx4: Fix error paths in mlx4_ib_create_flow() (diff)
downloadlinux-b806ef3bbed39c95b45343bf0fd78802142f6017.tar.xz
linux-b806ef3bbed39c95b45343bf0fd78802142f6017.zip
Merge branch 'for-4.2-misc' into k.o/for-4.2
Diffstat (limited to 'net')
-rw-r--r--net/rds/ib_send.c17
-rw-r--r--net/rds/iw_send.c18
-rw-r--r--net/rds/rds.h2
3 files changed, 24 insertions, 13 deletions
diff --git a/net/rds/ib_send.c b/net/rds/ib_send.c
index 25d0482cb6d1..5d0a704fa039 100644
--- a/net/rds/ib_send.c
+++ b/net/rds/ib_send.c
@@ -571,6 +571,8 @@ int rds_ib_xmit(struct rds_connection *conn, struct rds_message *rm,
}
rds_message_addref(rm);
+ rm->data.op_dmasg = 0;
+ rm->data.op_dmaoff = 0;
ic->i_data_op = &rm->data;
/* Finalize the header */
@@ -624,7 +626,7 @@ int rds_ib_xmit(struct rds_connection *conn, struct rds_message *rm,
send = &ic->i_sends[pos];
first = send;
prev = NULL;
- scat = &ic->i_data_op->op_sg[sg];
+ scat = &ic->i_data_op->op_sg[rm->data.op_dmasg];
i = 0;
do {
unsigned int len = 0;
@@ -646,17 +648,20 @@ int rds_ib_xmit(struct rds_connection *conn, struct rds_message *rm,
/* Set up the data, if present */
if (i < work_alloc
&& scat != &rm->data.op_sg[rm->data.op_count]) {
- len = min(RDS_FRAG_SIZE, ib_sg_dma_len(dev, scat) - off);
+ len = min(RDS_FRAG_SIZE,
+ ib_sg_dma_len(dev, scat) - rm->data.op_dmaoff);
send->s_wr.num_sge = 2;
- send->s_sge[1].addr = ib_sg_dma_address(dev, scat) + off;
+ send->s_sge[1].addr = ib_sg_dma_address(dev, scat);
+ send->s_sge[1].addr += rm->data.op_dmaoff;
send->s_sge[1].length = len;
bytes_sent += len;
- off += len;
- if (off == ib_sg_dma_len(dev, scat)) {
+ rm->data.op_dmaoff += len;
+ if (rm->data.op_dmaoff == ib_sg_dma_len(dev, scat)) {
scat++;
- off = 0;
+ rm->data.op_dmasg++;
+ rm->data.op_dmaoff = 0;
}
}
diff --git a/net/rds/iw_send.c b/net/rds/iw_send.c
index 13834780a308..334fe98c5084 100644
--- a/net/rds/iw_send.c
+++ b/net/rds/iw_send.c
@@ -581,6 +581,8 @@ int rds_iw_xmit(struct rds_connection *conn, struct rds_message *rm,
ic->i_unsignaled_wrs = rds_iw_sysctl_max_unsig_wrs;
ic->i_unsignaled_bytes = rds_iw_sysctl_max_unsig_bytes;
rds_message_addref(rm);
+ rm->data.op_dmasg = 0;
+ rm->data.op_dmaoff = 0;
ic->i_rm = rm;
/* Finalize the header */
@@ -622,7 +624,7 @@ int rds_iw_xmit(struct rds_connection *conn, struct rds_message *rm,
send = &ic->i_sends[pos];
first = send;
prev = NULL;
- scat = &rm->data.op_sg[sg];
+ scat = &rm->data.op_sg[rm->data.op_dmasg];
sent = 0;
i = 0;
@@ -656,10 +658,11 @@ int rds_iw_xmit(struct rds_connection *conn, struct rds_message *rm,
send = &ic->i_sends[pos];
- len = min(RDS_FRAG_SIZE, ib_sg_dma_len(dev, scat) - off);
+ len = min(RDS_FRAG_SIZE,
+ ib_sg_dma_len(dev, scat) - rm->data.op_dmaoff);
rds_iw_xmit_populate_wr(ic, send, pos,
- ib_sg_dma_address(dev, scat) + off, len,
- send_flags);
+ ib_sg_dma_address(dev, scat) + rm->data.op_dmaoff, len,
+ send_flags);
/*
* We want to delay signaling completions just enough to get
@@ -687,10 +690,11 @@ int rds_iw_xmit(struct rds_connection *conn, struct rds_message *rm,
&send->s_wr, send->s_wr.num_sge, send->s_wr.next);
sent += len;
- off += len;
- if (off == ib_sg_dma_len(dev, scat)) {
+ rm->data.op_dmaoff += len;
+ if (rm->data.op_dmaoff == ib_sg_dma_len(dev, scat)) {
scat++;
- off = 0;
+ rm->data.op_dmaoff = 0;
+ rm->data.op_dmasg++;
}
add_header:
diff --git a/net/rds/rds.h b/net/rds/rds.h
index 099754cb58eb..cc549858ed0e 100644
--- a/net/rds/rds.h
+++ b/net/rds/rds.h
@@ -363,6 +363,8 @@ struct rds_message {
unsigned int op_active:1;
unsigned int op_nents;
unsigned int op_count;
+ unsigned int op_dmasg;
+ unsigned int op_dmaoff;
struct scatterlist *op_sg;
} data;
};