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Date: Fri, 17 Jun 2016 17:43:49 +0300
From: Saeed Mahameed <saeedm@...lanox.com>
To: "David S. Miller" <davem@...emloft.net>
Cc: netdev@...r.kernel.org, Doug Ledford <dledford@...hat.com>,
Or Gerlitz <ogerlitz@...lanox.com>,
Maor Gottlieb <maorg@...lanox.com>,
Huy Nguyen <huyn@...lanox.com>, Tal Alon <talal@...lanox.com>,
Saeed Mahameed <saeedm@...lanox.com>
Subject: [PATCH net-next 08/18] if_ether.h: Add RoCE Ethertype
From: Maor Gottlieb <maorg@...lanox.com>
Add the Ethertype for RoCE - RDMA over Converged Ethernet.
Refactor vendors' implementation to use this define.
RoCE was standartized by IBTA in InfiniBand Architecture Annex A16.
Signed-off-by: Maor Gottlieb <maorg@...lanox.com>
Signed-off-by: Saeed Mahameed <saeedm@...lanox.com>
---
drivers/infiniband/hw/mlx4/qp.c | 6 +-----
drivers/infiniband/hw/ocrdma/ocrdma_ah.c | 4 ++--
drivers/infiniband/hw/ocrdma/ocrdma_hw.c | 2 +-
drivers/infiniband/hw/ocrdma/ocrdma_sli.h | 4 ----
drivers/infiniband/hw/usnic/usnic_common_pkt_hdr.h | 1 -
drivers/infiniband/hw/usnic/usnic_fwd.h | 2 +-
include/uapi/linux/if_ether.h | 1 +
7 files changed, 6 insertions(+), 14 deletions(-)
diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c
index 81b0e1f..fd03cef 100644
--- a/drivers/infiniband/hw/mlx4/qp.c
+++ b/drivers/infiniband/hw/mlx4/qp.c
@@ -76,10 +76,6 @@ enum {
MLX4_IB_LSO_HEADER_SPARE = 128,
};
-enum {
- MLX4_IB_IBOE_ETHERTYPE = 0x8915
-};
-
struct mlx4_ib_sqp {
struct mlx4_ib_qp qp;
int pkey_index;
@@ -2563,7 +2559,7 @@ static int build_mlx_header(struct mlx4_ib_sqp *sqp, struct ib_ud_wr *wr,
u16 ether_type;
u16 pcp = (be32_to_cpu(ah->av.ib.sl_tclass_flowlabel) >> 29) << 13;
- ether_type = (!is_udp) ? MLX4_IB_IBOE_ETHERTYPE :
+ ether_type = (!is_udp) ? ETH_P_ROCE :
(ip_version == 4 ? ETH_P_IP : ETH_P_IPV6);
mlx->sched_prio = cpu_to_be16(pcp);
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_ah.c b/drivers/infiniband/hw/ocrdma/ocrdma_ah.c
index 797362a..3d5d841 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_ah.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_ah.c
@@ -59,7 +59,7 @@ static u16 ocrdma_hdr_type_to_proto_num(int devid, u8 hdr_type)
{
switch (hdr_type) {
case OCRDMA_L3_TYPE_IB_GRH:
- return (u16)0x8915;
+ return (u16)ETH_P_ROCE;
case OCRDMA_L3_TYPE_IPV4:
return (u16)0x0800;
case OCRDMA_L3_TYPE_IPV6:
@@ -94,7 +94,7 @@ static inline int set_av_attr(struct ocrdma_dev *dev, struct ocrdma_ah *ah,
proto_num = ocrdma_hdr_type_to_proto_num(dev->id, ah->hdr_type);
if (!proto_num)
return -EINVAL;
- nxthdr = (proto_num == 0x8915) ? 0x1b : 0x11;
+ nxthdr = (proto_num == ETH_P_ROCE) ? 0x1b : 0x11;
/* VLAN */
if (!vlan_tag || (vlan_tag > 0xFFF))
vlan_tag = dev->pvid;
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c
index 16740dc..d45d1b4 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c
@@ -2985,7 +2985,7 @@ static int ocrdma_parse_dcbxcfg_rsp(struct ocrdma_dev *dev, int ptype,
OCRDMA_APP_PARAM_APP_PROTO_MASK;
if (
- valid && proto == OCRDMA_APP_PROTO_ROCE &&
+ valid && proto == ETH_P_ROCE &&
proto_sel == OCRDMA_PROTO_SELECT_L2) {
for (slindx = 0; slindx <
OCRDMA_MAX_SERVICE_LEVEL_INDEX; slindx++) {
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_sli.h b/drivers/infiniband/hw/ocrdma/ocrdma_sli.h
index 0efc966..1751a96 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_sli.h
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_sli.h
@@ -2175,10 +2175,6 @@ enum OCRDMA_DCBX_PARAM_TYPE {
OCRDMA_PARAMETER_TYPE_PEER = 0x02
};
-enum OCRDMA_DCBX_APP_PROTO {
- OCRDMA_APP_PROTO_ROCE = 0x8915
-};
-
enum OCRDMA_DCBX_PROTO {
OCRDMA_PROTO_SELECT_L2 = 0x00,
OCRDMA_PROTO_SELECT_L4 = 0x01
diff --git a/drivers/infiniband/hw/usnic/usnic_common_pkt_hdr.h b/drivers/infiniband/hw/usnic/usnic_common_pkt_hdr.h
index 596e0ed..bf7d197 100644
--- a/drivers/infiniband/hw/usnic/usnic_common_pkt_hdr.h
+++ b/drivers/infiniband/hw/usnic/usnic_common_pkt_hdr.h
@@ -34,7 +34,6 @@
#ifndef USNIC_CMN_PKT_HDR_H
#define USNIC_CMN_PKT_HDR_H
-#define USNIC_ROCE_ETHERTYPE (0x8915)
#define USNIC_ROCE_GRH_VER (8)
#define USNIC_PROTO_VER (1)
#define USNIC_ROCE_GRH_VER_SHIFT (4)
diff --git a/drivers/infiniband/hw/usnic/usnic_fwd.h b/drivers/infiniband/hw/usnic/usnic_fwd.h
index 3a8add9..0f7baae 100644
--- a/drivers/infiniband/hw/usnic/usnic_fwd.h
+++ b/drivers/infiniband/hw/usnic/usnic_fwd.h
@@ -97,7 +97,7 @@ static inline void usnic_fwd_init_usnic_filter(struct filter *filter,
uint32_t usnic_id)
{
filter->type = FILTER_USNIC_ID;
- filter->u.usnic.ethtype = USNIC_ROCE_ETHERTYPE;
+ filter->u.usnic.ethtype = ETH_P_ROCE;
filter->u.usnic.flags = FILTER_FIELD_USNIC_ETHTYPE |
FILTER_FIELD_USNIC_ID |
FILTER_FIELD_USNIC_PROTO;
diff --git a/include/uapi/linux/if_ether.h b/include/uapi/linux/if_ether.h
index cec849a..8e69375 100644
--- a/include/uapi/linux/if_ether.h
+++ b/include/uapi/linux/if_ether.h
@@ -91,6 +91,7 @@
#define ETH_P_FCOE 0x8906 /* Fibre Channel over Ethernet */
#define ETH_P_TDLS 0x890D /* TDLS */
#define ETH_P_FIP 0x8914 /* FCoE Initialization Protocol */
+#define ETH_P_ROCE 0x8915 /* RDMA over Converged Ethernet */
#define ETH_P_80221 0x8917 /* IEEE 802.21 Media Independent Handover Protocol */
#define ETH_P_HSR 0x892F /* IEC 62439-3 HSRv1 */
#define ETH_P_LOOPBACK 0x9000 /* Ethernet loopback packet, per IEEE 802.3 */
--
2.8.0
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