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authorGuoqing Jiang <guoqing.jiang@linux.dev>2023-11-13 14:57:11 +0300
committerLeon Romanovsky <leon@kernel.org>2023-11-15 16:58:13 +0300
commita2b64565e8ea9530cce8e1c528f53ca888c0a45b (patch)
treeed981995cdb303b0e7c84133d2789c55d732f553 /drivers/infiniband/sw/siw
parent3a179fe34acbd55eb287377811b05fbeb749e52c (diff)
downloadlinux-a2b64565e8ea9530cce8e1c528f53ca888c0a45b.tar.xz
RDMA/siw: Introduce siw_update_skb_rcvd
There are some places share the same logic, factor a common helper for it. Acked-by: Bernard Metzler <bmt@zurich.ibm.com> Signed-off-by: Guoqing Jiang <guoqing.jiang@linux.dev> Link: https://lore.kernel.org/r/20231113115726.12762-3-guoqing.jiang@linux.dev Signed-off-by: Leon Romanovsky <leon@kernel.org>
Diffstat (limited to 'drivers/infiniband/sw/siw')
-rw-r--r--drivers/infiniband/sw/siw/siw_qp_rx.c31
1 files changed, 12 insertions, 19 deletions
diff --git a/drivers/infiniband/sw/siw/siw_qp_rx.c b/drivers/infiniband/sw/siw/siw_qp_rx.c
index 33e0fdb362ff..10805a7d0487 100644
--- a/drivers/infiniband/sw/siw/siw_qp_rx.c
+++ b/drivers/infiniband/sw/siw/siw_qp_rx.c
@@ -881,6 +881,13 @@ error_term:
return rv;
}
+static void siw_update_skb_rcvd(struct siw_rx_stream *srx, u16 length)
+{
+ srx->skb_offset += length;
+ srx->skb_new -= length;
+ srx->skb_copied += length;
+}
+
int siw_proc_terminate(struct siw_qp *qp)
{
struct siw_rx_stream *srx = &qp->rx_stream;
@@ -925,9 +932,7 @@ int siw_proc_terminate(struct siw_qp *qp)
goto out;
infop += to_copy;
- srx->skb_offset += to_copy;
- srx->skb_new -= to_copy;
- srx->skb_copied += to_copy;
+ siw_update_skb_rcvd(srx, to_copy);
srx->fpdu_part_rcvd += to_copy;
srx->fpdu_part_rem -= to_copy;
@@ -949,9 +954,7 @@ int siw_proc_terminate(struct siw_qp *qp)
term->flag_m ? "valid" : "invalid");
}
out:
- srx->skb_new -= to_copy;
- srx->skb_offset += to_copy;
- srx->skb_copied += to_copy;
+ siw_update_skb_rcvd(srx, to_copy);
srx->fpdu_part_rcvd += to_copy;
srx->fpdu_part_rem -= to_copy;
@@ -970,9 +973,7 @@ static int siw_get_trailer(struct siw_qp *qp, struct siw_rx_stream *srx)
skb_copy_bits(skb, srx->skb_offset, tbuf, avail);
- srx->skb_new -= avail;
- srx->skb_offset += avail;
- srx->skb_copied += avail;
+ siw_update_skb_rcvd(srx, avail);
srx->fpdu_part_rem -= avail;
if (srx->fpdu_part_rem)
@@ -1023,12 +1024,8 @@ static int siw_get_hdr(struct siw_rx_stream *srx)
skb_copy_bits(skb, srx->skb_offset,
(char *)c_hdr + srx->fpdu_part_rcvd, bytes);
+ siw_update_skb_rcvd(srx, bytes);
srx->fpdu_part_rcvd += bytes;
-
- srx->skb_new -= bytes;
- srx->skb_offset += bytes;
- srx->skb_copied += bytes;
-
if (srx->fpdu_part_rcvd < MIN_DDP_HDR)
return -EAGAIN;
@@ -1091,12 +1088,8 @@ static int siw_get_hdr(struct siw_rx_stream *srx)
skb_copy_bits(skb, srx->skb_offset,
(char *)c_hdr + srx->fpdu_part_rcvd, bytes);
+ siw_update_skb_rcvd(srx, bytes);
srx->fpdu_part_rcvd += bytes;
-
- srx->skb_new -= bytes;
- srx->skb_offset += bytes;
- srx->skb_copied += bytes;
-
if (srx->fpdu_part_rcvd < hdrlen)
return -EAGAIN;
}