From mboxrd@z Thu Jan 1 00:00:00 1970 From: Aleksey Senin Subject: [PATCH] libmlx4: Add RAW_ETH to post_send Date: Sun, 19 Dec 2010 11:30:37 +0200 Message-ID: <4D0DD0BD.5080801@voltaire.com> Mime-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit Return-path: Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Vladimir Sokolovsky , linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-rdma@vger.kernel.org Add RAW_ETH QP to post_send function. Signed-off-by: Aleksey Senin --- fixes/add_raw_eth_to_post_send.patch | 52 ++++++++++++++++++++++++++++++++++ fixes/series | 1 + 2 files changed, 53 insertions(+), 0 deletions(-) create mode 100644 fixes/add_raw_eth_to_post_send.patch diff --git a/fixes/add_raw_eth_to_post_send.patch b/fixes/add_raw_eth_to_post_send.patch new file mode 100644 index 0000000..ce4e873 --- /dev/null +++ b/fixes/add_raw_eth_to_post_send.patch @@ -0,0 +1,52 @@ +From c31190ddc735cd2a28598846f5b57c9cf8434272 Mon Sep 17 00:00:00 2001 +From: Aleksey Senin +Date: Sun, 19 Dec 2010 11:11:23 +0200 +Subject: [PATCH] Add RAW_ETH case to post_send + +Add controling checksum calculation when using RAW QP type. + +Signed-off-by: Aleksey Senin +--- + src/qp.c | 6 ++++++ + src/wqe.h | 1 + + 2 files changed, 7 insertions(+), 0 deletions(-) + +diff --git a/src/qp.c b/src/qp.c +index d194ae3..580afff 100644 +--- a/src/qp.c ++++ b/src/qp.c +@@ -231,6 +231,8 @@ int mlx4_post_send(struct ibv_qp *ibqp, struct ibv_send_wr *wr, + htonl(MLX4_WQE_CTRL_CQ_UPDATE) : 0) | + (wr->send_flags & IBV_SEND_SOLICITED ? + htonl(MLX4_WQE_CTRL_SOLICIT) : 0) | ++ (wr->send_flags & IBV_SEND_IP_CSUM ? ++ htonl(MLX4_WQE_CTRL_IP_CSUM) : 0) | + qp->sq_signal_bits; + + if (wr->opcode == IBV_WR_SEND_WITH_IMM || +@@ -283,6 +285,10 @@ int mlx4_post_send(struct ibv_qp *ibqp, struct ibv_send_wr *wr, + size += sizeof (struct mlx4_wqe_datagram_seg) / 16; + break; + ++ case IBV_QPT_RAW_ETH: ++ /* For raw eth, the MLX4_WQE_CTRL_SOLICIT flag is used ++ * to indicate that no icrc should be calculated */ ++ ctrl->xrcrb_flags |= htonl(MLX4_WQE_CTRL_SOLICIT); + default: + break; + } +diff --git a/src/wqe.h b/src/wqe.h +index 6f7f309..007b617 100644 +--- a/src/wqe.h ++++ b/src/wqe.h +@@ -41,6 +41,7 @@ enum { + MLX4_WQE_CTRL_FENCE = 1 << 6, + MLX4_WQE_CTRL_CQ_UPDATE = 3 << 2, + MLX4_WQE_CTRL_SOLICIT = 1 << 1, ++ MLX4_WQE_CTRL_IP_CSUM = 3 << 4, + }; + + enum { +-- +1.6.4.2 + diff --git a/fixes/series b/fixes/series index 83516ec..2d04b25 100644 --- a/fixes/series +++ b/fixes/series @@ -8,3 +8,4 @@ rocee_add_support.patch add_supported_devices.patch post_rcv_end_of_sg.patch fix_inline_size.patch +add_raw_eth_to_post_send.patch -- 1.6.4.2 -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html