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RDMA/hns: Only record vlan info for HIP08

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Information about vlan is stored in GMV(GID/MAC/VLAN) table for HIP09, so
there is no need to copy it to address vector.

Link: https://lore.kernel.org/r/1605526408-6936-2-git-send-email-liweihang@huawei.com
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
This commit is contained in:
Weihang Li 2020-11-16 19:33:22 +08:00 committed by Jason Gunthorpe
parent 8138a4c21b
commit 7406c0036f
3 changed files with 33 additions and 33 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

51
drivers/infiniband/hw/hns/hns_roce_ah.c
View File

@ -31,13 +31,13 @@
*/
#include <linux/platform_device.h>
#include <linux/pci.h>
#include <rdma/ib_addr.h>
#include <rdma/ib_cache.h>
#include "hns_roce_device.h"
#define HNS_ROCE_PORT_NUM_SHIFT 24
#define HNS_ROCE_VLAN_SL_BIT_MASK 7
#define HNS_ROCE_VLAN_SL_SHIFT 13
#define VLAN_SL_MASK 7
#define VLAN_SL_SHIFT 13
static inline u16 get_ah_udp_sport(const struct rdma_ah_attr *ah_attr)
{
@ -58,37 +58,16 @@ static inline u16 get_ah_udp_sport(const struct rdma_ah_attr *ah_attr)
int hns_roce_create_ah(struct ib_ah *ibah, struct rdma_ah_init_attr *init_attr,
struct ib_udata *udata)
{
struct hns_roce_dev *hr_dev = to_hr_dev(ibah->device);
const struct ib_gid_attr *gid_attr;
struct device *dev = hr_dev->dev;
struct hns_roce_ah *ah = to_hr_ah(ibah);
struct rdma_ah_attr *ah_attr = init_attr->ah_attr;
const struct ib_global_route *grh = rdma_ah_read_grh(ah_attr);
u16 vlan_id = 0xffff;
bool vlan_en = false;
int ret;
struct hns_roce_dev *hr_dev = to_hr_dev(ibah->device);
struct hns_roce_ah *ah = to_hr_ah(ibah);
int ret = 0;
gid_attr = ah_attr->grh.sgid_attr;
ret = rdma_read_gid_l2_fields(gid_attr, &vlan_id, NULL);
if (ret)
return ret;
/* Get mac address */
memcpy(ah->av.mac, ah_attr->roce.dmac, ETH_ALEN);
if (vlan_id < VLAN_N_VID) {
vlan_en = true;
vlan_id |= (rdma_ah_get_sl(ah_attr) &
HNS_ROCE_VLAN_SL_BIT_MASK) <<
HNS_ROCE_VLAN_SL_SHIFT;
}
ah->av.port = rdma_ah_get_port_num(ah_attr);
ah->av.gid_index = grh->sgid_index;
ah->av.vlan_id = vlan_id;
ah->av.vlan_en = vlan_en;
dev_dbg(dev, "gid_index = 0x%x,vlan_id = 0x%x\n", ah->av.gid_index,
ah->av.vlan_id);
if (rdma_ah_get_static_rate(ah_attr))
ah->av.stat_rate = IB_RATE_10_GBPS;
@ -98,7 +77,23 @@ int hns_roce_create_ah(struct ib_ah *ibah, struct rdma_ah_init_attr *init_attr,
ah->av.flowlabel = grh->flow_label;
ah->av.udp_sport = get_ah_udp_sport(ah_attr);
return 0;
/* HIP08 needs to record vlan info in Address Vector */
if (hr_dev->pci_dev->revision <= PCI_REVISION_ID_HIP08) {
ah->av.vlan_en = 0;
ret = rdma_read_gid_l2_fields(ah_attr->grh.sgid_attr,
&ah->av.vlan_id, NULL);
if (ret)
return ret;
if (ah->av.vlan_id < VLAN_N_VID) {
ah->av.vlan_en = 1;
ah->av.vlan_id |= (rdma_ah_get_sl(ah_attr) & VLAN_SL_MASK) <<
VLAN_SL_SHIFT;
}
}
return ret;
}
int hns_roce_query_ah(struct ib_ah *ibah, struct rdma_ah_attr *ah_attr)

2
drivers/infiniband/hw/hns/hns_roce_device.h
View File

@ -561,7 +561,7 @@ struct hns_roce_av {
u8 dgid[HNS_ROCE_GID_SIZE];
u8 mac[ETH_ALEN];
u16 vlan_id;
bool vlan_en;
u8 vlan_en;
};
struct hns_roce_ah {

13
drivers/infiniband/hw/hns/hns_roce_hw_v2.c
View File

@ -492,8 +492,6 @@ static inline int set_ud_wqe(struct hns_roce_qp *qp,
roce_set_field(ud_sq_wqe->byte_32, V2_UD_SEND_WQE_BYTE_32_DQPN_M,
V2_UD_SEND_WQE_BYTE_32_DQPN_S, ud_wr(wr)->remote_qpn);
roce_set_field(ud_sq_wqe->byte_36, V2_UD_SEND_WQE_BYTE_36_VLAN_M,
V2_UD_SEND_WQE_BYTE_36_VLAN_S, ah->av.vlan_id);
roce_set_field(ud_sq_wqe->byte_36, V2_UD_SEND_WQE_BYTE_36_HOPLIMIT_M,
V2_UD_SEND_WQE_BYTE_36_HOPLIMIT_S, ah->av.hop_limit);
roce_set_field(ud_sq_wqe->byte_36, V2_UD_SEND_WQE_BYTE_36_TCLASS_M,
@ -505,11 +503,18 @@ static inline int set_ud_wqe(struct hns_roce_qp *qp,
roce_set_field(ud_sq_wqe->byte_40, V2_UD_SEND_WQE_BYTE_40_PORTN_M,
V2_UD_SEND_WQE_BYTE_40_PORTN_S, qp->port);
roce_set_bit(ud_sq_wqe->byte_40, V2_UD_SEND_WQE_BYTE_40_UD_VLAN_EN_S,
ah->av.vlan_en ? 1 : 0);
roce_set_field(ud_sq_wqe->byte_48, V2_UD_SEND_WQE_BYTE_48_SGID_INDX_M,
V2_UD_SEND_WQE_BYTE_48_SGID_INDX_S, ah->av.gid_index);
if (hr_dev->pci_dev->revision <= PCI_REVISION_ID_HIP08) {
roce_set_bit(ud_sq_wqe->byte_40,
V2_UD_SEND_WQE_BYTE_40_UD_VLAN_EN_S,
ah->av.vlan_en);
roce_set_field(ud_sq_wqe->byte_36,
V2_UD_SEND_WQE_BYTE_36_VLAN_M,
V2_UD_SEND_WQE_BYTE_36_VLAN_S, ah->av.vlan_id);
}
memcpy(&ud_sq_wqe->dgid[0], &ah->av.dgid[0], GID_LEN_V2);
set_extend_sge(qp, wr, &curr_idx, valid_num_sge);