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authorDasaratharaman Chandramouli <dasaratharaman.chandramouli@intel.com>2017-04-29 14:41:28 -0400
committerDoug Ledford <dledford@redhat.com>2017-05-01 14:32:43 -0400
commitd8966fcd4c25708c3a76ea7619644218373df639 (patch)
treebd059c78ae118d3a16cada6228ea3b7a7e7f4fbd /drivers/infiniband/hw/mlx4
parent2224c47ace2387610f8cff0c562db2c6e63df026 (diff)
IB/core: Use rdma_ah_attr accessor functions
Modify core and driver components to use accessor functions introduced to access individual fields of rdma_ah_attr Reviewed-by: Ira Weiny <ira.weiny@intel.com> Reviewed-by: Don Hiatt <don.hiatt@intel.com> Reviewed-by: Sean Hefty <sean.hefty@intel.com> Reviewed-by: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com> Signed-off-by: Dasaratharaman Chandramouli <dasaratharaman.chandramouli@intel.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/mlx4')
-rw-r--r--drivers/infiniband/hw/mlx4/ah.c115
-rw-r--r--drivers/infiniband/hw/mlx4/mad.c43
-rw-r--r--drivers/infiniband/hw/mlx4/mcg.c2
-rw-r--r--drivers/infiniband/hw/mlx4/qp.c92
4 files changed, 143 insertions, 109 deletions
diff --git a/drivers/infiniband/hw/mlx4/ah.c b/drivers/infiniband/hw/mlx4/ah.c
index 17fcb0b49d0e..3cbac5f7b0f5 100644
--- a/drivers/infiniband/hw/mlx4/ah.c
+++ b/drivers/infiniband/hw/mlx4/ah.c
@@ -46,25 +46,32 @@ static struct ib_ah *create_ib_ah(struct ib_pd *pd,
{
struct mlx4_dev *dev = to_mdev(pd->device)->dev;
- ah->av.ib.port_pd = cpu_to_be32(to_mpd(pd)->pdn | (ah_attr->port_num << 24));
- ah->av.ib.g_slid = ah_attr->src_path_bits;
- ah->av.ib.sl_tclass_flowlabel = cpu_to_be32(ah_attr->sl << 28);
- if (ah_attr->ah_flags & IB_AH_GRH) {
+ ah->av.ib.port_pd = cpu_to_be32(to_mpd(pd)->pdn |
+ (rdma_ah_get_port_num(ah_attr) << 24));
+ ah->av.ib.g_slid = rdma_ah_get_path_bits(ah_attr);
+ ah->av.ib.sl_tclass_flowlabel =
+ cpu_to_be32(rdma_ah_get_sl(ah_attr) << 28);
+ if (rdma_ah_get_ah_flags(ah_attr) & IB_AH_GRH) {
+ const struct ib_global_route *grh = rdma_ah_read_grh(ah_attr);
+
ah->av.ib.g_slid |= 0x80;
- ah->av.ib.gid_index = ah_attr->grh.sgid_index;
- ah->av.ib.hop_limit = ah_attr->grh.hop_limit;
+ ah->av.ib.gid_index = grh->sgid_index;
+ ah->av.ib.hop_limit = grh->hop_limit;
ah->av.ib.sl_tclass_flowlabel |=
- cpu_to_be32((ah_attr->grh.traffic_class << 20) |
- ah_attr->grh.flow_label);
- memcpy(ah->av.ib.dgid, ah_attr->grh.dgid.raw, 16);
+ cpu_to_be32((grh->traffic_class << 20) |
+ grh->flow_label);
+ memcpy(ah->av.ib.dgid, grh->dgid.raw, 16);
}
- ah->av.ib.dlid = cpu_to_be16(ah_attr->dlid);
- if (ah_attr->static_rate) {
- ah->av.ib.stat_rate = ah_attr->static_rate + MLX4_STAT_RATE_OFFSET;
- while (ah->av.ib.stat_rate > IB_RATE_2_5_GBPS + MLX4_STAT_RATE_OFFSET &&
- !(1 << ah->av.ib.stat_rate & dev->caps.stat_rate_support))
- --ah->av.ib.stat_rate;
+ ah->av.ib.dlid = cpu_to_be16(rdma_ah_get_dlid(ah_attr));
+ if (rdma_ah_get_static_rate(ah_attr)) {
+ u8 static_rate = rdma_ah_get_static_rate(ah_attr) +
+ MLX4_STAT_RATE_OFFSET;
+
+ while (static_rate > IB_RATE_2_5_GBPS + MLX4_STAT_RATE_OFFSET &&
+ !(1 << static_rate & dev->caps.stat_rate_support))
+ --static_rate;
+ ah->av.ib.stat_rate = static_rate;
}
return &ah->ibah;
@@ -81,17 +88,18 @@ static struct ib_ah *create_iboe_ah(struct ib_pd *pd,
u16 vlan_tag = 0xffff;
union ib_gid sgid;
struct ib_gid_attr gid_attr;
+ const struct ib_global_route *grh = rdma_ah_read_grh(ah_attr);
int ret;
- memcpy(&in6, ah_attr->grh.dgid.raw, sizeof(in6));
+ memcpy(&in6, grh->dgid.raw, sizeof(in6));
if (rdma_is_multicast_addr(&in6)) {
is_mcast = 1;
rdma_get_mcast_mac(&in6, ah->av.eth.mac);
} else {
memcpy(ah->av.eth.mac, ah_attr->dmac, ETH_ALEN);
}
- ret = ib_get_cached_gid(pd->device, ah_attr->port_num,
- ah_attr->grh.sgid_index, &sgid, &gid_attr);
+ ret = ib_get_cached_gid(pd->device, rdma_ah_get_port_num(ah_attr),
+ grh->sgid_index, &sgid, &gid_attr);
if (ret)
return ERR_PTR(ret);
eth_zero_addr(ah->av.eth.s_mac);
@@ -102,32 +110,36 @@ static struct ib_ah *create_iboe_ah(struct ib_pd *pd,
dev_put(gid_attr.ndev);
}
if (vlan_tag < 0x1000)
- vlan_tag |= (ah_attr->sl & 7) << 13;
- ah->av.eth.port_pd = cpu_to_be32(to_mpd(pd)->pdn | (ah_attr->port_num << 24));
- ret = mlx4_ib_gid_index_to_real_index(ibdev, ah_attr->port_num, ah_attr->grh.sgid_index);
+ vlan_tag |= (rdma_ah_get_sl(ah_attr) & 7) << 13;
+ ah->av.eth.port_pd = cpu_to_be32(to_mpd(pd)->pdn |
+ (rdma_ah_get_port_num(ah_attr) << 24));
+ ret = mlx4_ib_gid_index_to_real_index(ibdev,
+ rdma_ah_get_port_num(ah_attr),
+ grh->sgid_index);
if (ret < 0)
return ERR_PTR(ret);
ah->av.eth.gid_index = ret;
ah->av.eth.vlan = cpu_to_be16(vlan_tag);
- ah->av.eth.hop_limit = ah_attr->grh.hop_limit;
- if (ah_attr->static_rate) {
- ah->av.eth.stat_rate = ah_attr->static_rate + MLX4_STAT_RATE_OFFSET;
+ ah->av.eth.hop_limit = grh->hop_limit;
+ if (rdma_ah_get_static_rate(ah_attr)) {
+ ah->av.eth.stat_rate = rdma_ah_get_static_rate(ah_attr) +
+ MLX4_STAT_RATE_OFFSET;
while (ah->av.eth.stat_rate > IB_RATE_2_5_GBPS + MLX4_STAT_RATE_OFFSET &&
!(1 << ah->av.eth.stat_rate & dev->caps.stat_rate_support))
--ah->av.eth.stat_rate;
}
ah->av.eth.sl_tclass_flowlabel |=
- cpu_to_be32((ah_attr->grh.traffic_class << 20) |
- ah_attr->grh.flow_label);
+ cpu_to_be32((grh->traffic_class << 20) |
+ grh->flow_label);
/*
* HW requires multicast LID so we just choose one.
*/
if (is_mcast)
ah->av.ib.dlid = cpu_to_be16(0xc000);
- memcpy(ah->av.eth.dgid, ah_attr->grh.dgid.raw, 16);
- ah->av.eth.sl_tclass_flowlabel |= cpu_to_be32(ah_attr->sl << 29);
-
+ memcpy(ah->av.eth.dgid, grh->dgid.raw, 16);
+ ah->av.eth.sl_tclass_flowlabel |= cpu_to_be32(rdma_ah_get_sl(ah_attr)
+ << 29);
return &ah->ibah;
}
@@ -142,8 +154,10 @@ struct ib_ah *mlx4_ib_create_ah(struct ib_pd *pd, struct rdma_ah_attr *ah_attr,
if (!ah)
return ERR_PTR(-ENOMEM);
- if (rdma_port_get_link_layer(pd->device, ah_attr->port_num) == IB_LINK_LAYER_ETHERNET) {
- if (!(ah_attr->ah_flags & IB_AH_GRH)) {
+ if (rdma_port_get_link_layer(pd->device,
+ rdma_ah_get_port_num(ah_attr)) ==
+ IB_LINK_LAYER_ETHERNET) {
+ if (!(rdma_ah_get_ah_flags(ah_attr) & IB_AH_GRH)) {
ret = ERR_PTR(-EINVAL);
} else {
/*
@@ -171,28 +185,35 @@ int mlx4_ib_query_ah(struct ib_ah *ibah, struct rdma_ah_attr *ah_attr)
enum rdma_link_layer ll;
memset(ah_attr, 0, sizeof *ah_attr);
- ah_attr->port_num = be32_to_cpu(ah->av.ib.port_pd) >> 24;
- ll = rdma_port_get_link_layer(ibah->device, ah_attr->port_num);
+ rdma_ah_set_port_num(ah_attr,
+ be32_to_cpu(ah->av.ib.port_pd) >> 24);
+ ll = rdma_port_get_link_layer(ibah->device,
+ rdma_ah_get_port_num(ah_attr));
if (ll == IB_LINK_LAYER_ETHERNET)
- ah_attr->sl = be32_to_cpu(ah->av.eth.sl_tclass_flowlabel) >> 29;
+ rdma_ah_set_sl(ah_attr,
+ be32_to_cpu(ah->av.eth.sl_tclass_flowlabel)
+ >> 29);
else
- ah_attr->sl = be32_to_cpu(ah->av.ib.sl_tclass_flowlabel) >> 28;
+ rdma_ah_set_sl(ah_attr,
+ be32_to_cpu(ah->av.ib.sl_tclass_flowlabel)
+ >> 28);
- ah_attr->dlid = ll == IB_LINK_LAYER_INFINIBAND ? be16_to_cpu(ah->av.ib.dlid) : 0;
+ rdma_ah_set_dlid(ah_attr, (ll == IB_LINK_LAYER_INFINIBAND) ?
+ be16_to_cpu(ah->av.ib.dlid) : 0);
if (ah->av.ib.stat_rate)
- ah_attr->static_rate = ah->av.ib.stat_rate - MLX4_STAT_RATE_OFFSET;
- ah_attr->src_path_bits = ah->av.ib.g_slid & 0x7F;
+ rdma_ah_set_static_rate(ah_attr,
+ ah->av.ib.stat_rate -
+ MLX4_STAT_RATE_OFFSET);
+ rdma_ah_set_path_bits(ah_attr, ah->av.ib.g_slid & 0x7F);
if (mlx4_ib_ah_grh_present(ah)) {
- ah_attr->ah_flags = IB_AH_GRH;
-
- ah_attr->grh.traffic_class =
- be32_to_cpu(ah->av.ib.sl_tclass_flowlabel) >> 20;
- ah_attr->grh.flow_label =
- be32_to_cpu(ah->av.ib.sl_tclass_flowlabel) & 0xfffff;
- ah_attr->grh.hop_limit = ah->av.ib.hop_limit;
- ah_attr->grh.sgid_index = ah->av.ib.gid_index;
- memcpy(ah_attr->grh.dgid.raw, ah->av.ib.dgid, 16);
+ u32 tc_fl = be32_to_cpu(ah->av.ib.sl_tclass_flowlabel);
+
+ rdma_ah_set_grh(ah_attr, NULL,
+ tc_fl & 0xfffff, ah->av.ib.gid_index,
+ ah->av.ib.hop_limit,
+ tc_fl >> 20);
+ rdma_ah_set_dgid_raw(ah_attr, ah->av.ib.dgid);
}
return 0;
diff --git a/drivers/infiniband/hw/mlx4/mad.c b/drivers/infiniband/hw/mlx4/mad.c
index 90915c5e5338..425515eb01ea 100644
--- a/drivers/infiniband/hw/mlx4/mad.c
+++ b/drivers/infiniband/hw/mlx4/mad.c
@@ -196,9 +196,9 @@ static void update_sm_ah(struct mlx4_ib_dev *dev, u8 port_num, u16 lid, u8 sl)
return;
memset(&ah_attr, 0, sizeof ah_attr);
- ah_attr.dlid = lid;
- ah_attr.sl = sl;
- ah_attr.port_num = port_num;
+ rdma_ah_set_dlid(&ah_attr, lid);
+ rdma_ah_set_sl(&ah_attr, sl);
+ rdma_ah_set_port_num(&ah_attr, port_num);
new_ah = rdma_create_ah(dev->send_agent[port_num - 1][0]->qp->pd,
&ah_attr);
@@ -555,13 +555,15 @@ int mlx4_ib_send_to_slave(struct mlx4_ib_dev *dev, int slave, u8 port,
/* create ah. Just need an empty one with the port num for the post send.
* The driver will set the force loopback bit in post_send */
memset(&attr, 0, sizeof attr);
- attr.port_num = port;
+
+ rdma_ah_set_port_num(&attr, port);
if (is_eth) {
union ib_gid sgid;
+ union ib_gid dgid;
- if (get_gids_from_l3_hdr(grh, &sgid, &attr.grh.dgid))
+ if (get_gids_from_l3_hdr(grh, &sgid, &dgid))
return -EINVAL;
- attr.ah_flags = IB_AH_GRH;
+ rdma_ah_set_grh(&attr, &dgid, 0, 0, 0, 0);
}
ah = rdma_create_ah(tun_ctx->pd, &attr);
if (IS_ERR(ah))
@@ -1363,6 +1365,7 @@ int mlx4_ib_send_to_wire(struct mlx4_ib_dev *dev, int slave, u8 port,
struct mlx4_mad_snd_buf *sqp_mad;
struct ib_ah *ah;
struct ib_qp *send_qp = NULL;
+ struct ib_global_route *grh;
unsigned wire_tx_ix = 0;
int ret = 0;
u16 wire_pkey_ix;
@@ -1389,12 +1392,13 @@ int mlx4_ib_send_to_wire(struct mlx4_ib_dev *dev, int slave, u8 port,
send_qp = sqp->qp;
/* create ah */
- sgid_index = attr->grh.sgid_index;
- attr->grh.sgid_index = 0;
+ grh = rdma_ah_retrieve_grh(attr);
+ sgid_index = grh->sgid_index;
+ grh->sgid_index = 0;
ah = rdma_create_ah(sqp_ctx->pd, attr);
if (IS_ERR(ah))
return -ENOMEM;
- attr->grh.sgid_index = sgid_index;
+ grh->sgid_index = sgid_index;
to_mah(ah)->av.ib.gid_index = sgid_index;
/* get rid of force-loopback bit */
to_mah(ah)->av.ib.port_pd &= cpu_to_be32(0x7FFFFFFF);
@@ -1442,7 +1446,7 @@ int mlx4_ib_send_to_wire(struct mlx4_ib_dev *dev, int slave, u8 port,
if (s_mac)
memcpy(to_mah(ah)->av.eth.s_mac, s_mac, 6);
if (vlan_id < 0x1000)
- vlan_id |= (attr->sl & 7) << 13;
+ vlan_id |= (rdma_ah_get_sl(attr) & 7) << 13;
to_mah(ah)->av.eth.vlan = cpu_to_be16(vlan_id);
@@ -1469,10 +1473,11 @@ static int get_slave_base_gid_ix(struct mlx4_ib_dev *dev, int slave, int port)
static void fill_in_real_sgid_index(struct mlx4_ib_dev *dev, int slave, int port,
struct rdma_ah_attr *ah_attr)
{
+ struct ib_global_route *grh = rdma_ah_retrieve_grh(ah_attr);
if (rdma_port_get_link_layer(&dev->ib_dev, port) == IB_LINK_LAYER_INFINIBAND)
- ah_attr->grh.sgid_index = slave;
+ grh->sgid_index = slave;
else
- ah_attr->grh.sgid_index += get_slave_base_gid_ix(dev, slave, port);
+ grh->sgid_index += get_slave_base_gid_ix(dev, slave, port);
}
static void mlx4_ib_multiplex_mad(struct mlx4_ib_demux_pv_ctx *ctx, struct ib_wc *wc)
@@ -1487,6 +1492,8 @@ static void mlx4_ib_multiplex_mad(struct mlx4_ib_demux_pv_ctx *ctx, struct ib_wc
int slave;
int port;
u16 vlan_id;
+ u8 qos;
+ u8 *dmac;
/* Get slave that sent this packet */
if (wc->src_qp < dev->dev->phys_caps.base_proxy_sqpn ||
@@ -1571,14 +1578,16 @@ static void mlx4_ib_multiplex_mad(struct mlx4_ib_demux_pv_ctx *ctx, struct ib_wc
ah.av.ib.port_pd = cpu_to_be32(port << 24 | (be32_to_cpu(ah.av.ib.port_pd) & 0xffffff));
mlx4_ib_query_ah(&ah.ibah, &ah_attr);
- if (ah_attr.ah_flags & IB_AH_GRH)
+ if (rdma_ah_get_ah_flags(&ah_attr) & IB_AH_GRH)
fill_in_real_sgid_index(dev, slave, ctx->port, &ah_attr);
-
- memcpy(ah_attr.dmac, tunnel->hdr.mac, 6);
+ dmac = rdma_ah_retrieve_dmac(&ah_attr);
+ if (dmac)
+ memcpy(dmac, tunnel->hdr.mac, ETH_ALEN);
vlan_id = be16_to_cpu(tunnel->hdr.vlan);
/* if slave have default vlan use it */
- mlx4_get_slave_default_vlan(dev->dev, ctx->port, slave,
- &vlan_id, &ah_attr.sl);
+ if (mlx4_get_slave_default_vlan(dev->dev, ctx->port, slave,
+ &vlan_id, &qos))
+ rdma_ah_set_sl(&ah_attr, qos);
mlx4_ib_send_to_wire(dev, slave, ctx->port,
is_proxy_qp0(dev, wc->src_qp, slave) ?
diff --git a/drivers/infiniband/hw/mlx4/mcg.c b/drivers/infiniband/hw/mlx4/mcg.c
index eb009045643d..3405e947dc1e 100644
--- a/drivers/infiniband/hw/mlx4/mcg.c
+++ b/drivers/infiniband/hw/mlx4/mcg.c
@@ -244,7 +244,7 @@ static int send_mad_to_slave(int slave, struct mlx4_ib_demux_ctx *ctx,
wc.sl = 0;
wc.dlid_path_bits = 0;
wc.port_num = ctx->port;
- wc.slid = ah_attr.dlid; /* opensm lid */
+ wc.slid = rdma_ah_get_dlid(&ah_attr); /* opensm lid */
wc.src_qp = 1;
return mlx4_ib_send_to_slave(dev, slave, ctx->port, IB_QPT_GSI, &wc, NULL, mad);
}
diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c
index c211902ea22b..ef4adf32da66 100644
--- a/drivers/infiniband/hw/mlx4/qp.c
+++ b/drivers/infiniband/hw/mlx4/qp.c
@@ -1394,21 +1394,22 @@ static int _mlx4_set_path(struct mlx4_ib_dev *dev,
int smac_index;
int err;
-
- path->grh_mylmc = ah->src_path_bits & 0x7f;
- path->rlid = cpu_to_be16(ah->dlid);
- if (ah->static_rate) {
- path->static_rate = ah->static_rate + MLX4_STAT_RATE_OFFSET;
+ path->grh_mylmc = rdma_ah_get_path_bits(ah) & 0x7f;
+ path->rlid = cpu_to_be16(rdma_ah_get_dlid(ah));
+ if (rdma_ah_get_static_rate(ah)) {
+ path->static_rate = rdma_ah_get_static_rate(ah) +
+ MLX4_STAT_RATE_OFFSET;
while (path->static_rate > IB_RATE_2_5_GBPS + MLX4_STAT_RATE_OFFSET &&
!(1 << path->static_rate & dev->dev->caps.stat_rate_support))
--path->static_rate;
} else
path->static_rate = 0;
- if (ah->ah_flags & IB_AH_GRH) {
- int real_sgid_index = mlx4_ib_gid_index_to_real_index(dev,
- port,
- ah->grh.sgid_index);
+ if (rdma_ah_get_ah_flags(ah) & IB_AH_GRH) {
+ const struct ib_global_route *grh = rdma_ah_read_grh(ah);
+ int real_sgid_index =
+ mlx4_ib_gid_index_to_real_index(dev, port,
+ grh->sgid_index);
if (real_sgid_index >= dev->dev->caps.gid_table_len[port]) {
pr_err("sgid_index (%u) too large. max is %d\n",
@@ -1418,19 +1419,19 @@ static int _mlx4_set_path(struct mlx4_ib_dev *dev,
path->grh_mylmc |= 1 << 7;
path->mgid_index = real_sgid_index;
- path->hop_limit = ah->grh.hop_limit;
+ path->hop_limit = grh->hop_limit;
path->tclass_flowlabel =
- cpu_to_be32((ah->grh.traffic_class << 20) |
- (ah->grh.flow_label));
- memcpy(path->rgid, ah->grh.dgid.raw, 16);
+ cpu_to_be32((grh->traffic_class << 20) |
+ (grh->flow_label));
+ memcpy(path->rgid, grh->dgid.raw, 16);
}
if (is_eth) {
- if (!(ah->ah_flags & IB_AH_GRH))
+ if (!(rdma_ah_get_ah_flags(ah) & IB_AH_GRH))
return -1;
path->sched_queue = MLX4_IB_DEFAULT_SCHED_QUEUE |
- ((port - 1) << 6) | ((ah->sl & 7) << 3);
+ ((port - 1) << 6) | ((rdma_ah_get_sl(ah) & 7) << 3);
path->feup |= MLX4_FEUP_FORCE_ETH_UP;
if (vlan_tag < 0x1000) {
@@ -1489,14 +1490,13 @@ static int _mlx4_set_path(struct mlx4_ib_dev *dev,
} else {
smac_index = smac_info->smac_index;
}
-
memcpy(path->dmac, ah->dmac, 6);
path->ackto = MLX4_IB_LINK_TYPE_ETH;
/* put MAC table smac index for IBoE */
path->grh_mylmc = (u8) (smac_index) | 0x80;
} else {
path->sched_queue = MLX4_IB_DEFAULT_SCHED_QUEUE |
- ((port - 1) << 6) | ((ah->sl & 0xf) << 2);
+ ((port - 1) << 6) | ((rdma_ah_get_sl(ah) & 0xf) << 2);
}
return 0;
@@ -1768,11 +1768,13 @@ static int __mlx4_ib_modify_qp(struct ib_qp *ibqp,
u16 vlan = 0xffff;
u8 smac[ETH_ALEN];
int status = 0;
- int is_eth = rdma_cap_eth_ah(&dev->ib_dev, port_num) &&
- attr->ah_attr.ah_flags & IB_AH_GRH;
+ int is_eth =
+ rdma_cap_eth_ah(&dev->ib_dev, port_num) &&
+ rdma_ah_get_ah_flags(&attr->ah_attr) & IB_AH_GRH;
- if (is_eth && attr->ah_attr.ah_flags & IB_AH_GRH) {
- int index = attr->ah_attr.grh.sgid_index;
+ if (is_eth) {
+ int index =
+ rdma_ah_read_grh(&attr->ah_attr)->sgid_index;
status = ib_get_cached_gid(ibqp->device, port_num,
index, &gid, &gid_attr);
@@ -3396,39 +3398,40 @@ static int to_ib_qp_access_flags(int mlx4_flags)
}
static void to_rdma_ah_attr(struct mlx4_ib_dev *ibdev,
- struct rdma_ah_attr *ib_ah_attr,
+ struct rdma_ah_attr *ah_attr,
struct mlx4_qp_path *path)
{
struct mlx4_dev *dev = ibdev->dev;
int is_eth;
+ u8 port_num = path->sched_queue & 0x40 ? 2 : 1;
- memset(ib_ah_attr, 0, sizeof *ib_ah_attr);
- ib_ah_attr->port_num = path->sched_queue & 0x40 ? 2 : 1;
+ memset(ah_attr, 0, sizeof(*ah_attr));
+ rdma_ah_set_port_num(ah_attr, port_num);
- if (ib_ah_attr->port_num == 0 || ib_ah_attr->port_num > dev->caps.num_ports)
+ if (port_num == 0 || port_num > dev->caps.num_ports)
return;
- is_eth = rdma_port_get_link_layer(&ibdev->ib_dev, ib_ah_attr->port_num) ==
- IB_LINK_LAYER_ETHERNET;
+ is_eth = rdma_port_get_link_layer(&ibdev->ib_dev,
+ rdma_ah_get_port_num(ah_attr)) ==
+ IB_LINK_LAYER_ETHERNET;
if (is_eth)
- ib_ah_attr->sl = ((path->sched_queue >> 3) & 0x7) |
- ((path->sched_queue & 4) << 1);
+ rdma_ah_set_sl(ah_attr, ((path->sched_queue >> 3) & 0x7) |
+ ((path->sched_queue & 4) << 1));
else
- ib_ah_attr->sl = (path->sched_queue >> 2) & 0xf;
+ rdma_ah_set_sl(ah_attr, (path->sched_queue >> 2) & 0xf);
- ib_ah_attr->dlid = be16_to_cpu(path->rlid);
- ib_ah_attr->src_path_bits = path->grh_mylmc & 0x7f;
- ib_ah_attr->static_rate = path->static_rate ? path->static_rate - 5 : 0;
- ib_ah_attr->ah_flags = (path->grh_mylmc & (1 << 7)) ? IB_AH_GRH : 0;
- if (ib_ah_attr->ah_flags) {
- ib_ah_attr->grh.sgid_index = path->mgid_index;
- ib_ah_attr->grh.hop_limit = path->hop_limit;
- ib_ah_attr->grh.traffic_class =
- (be32_to_cpu(path->tclass_flowlabel) >> 20) & 0xff;
- ib_ah_attr->grh.flow_label =
- be32_to_cpu(path->tclass_flowlabel) & 0xfffff;
- memcpy(ib_ah_attr->grh.dgid.raw,
- path->rgid, sizeof ib_ah_attr->grh.dgid.raw);
+ rdma_ah_set_dlid(ah_attr, be16_to_cpu(path->rlid));
+ rdma_ah_set_path_bits(ah_attr, path->grh_mylmc & 0x7f);
+ rdma_ah_set_static_rate(ah_attr,
+ path->static_rate ? path->static_rate - 5 : 0);
+ if (path->grh_mylmc & (1 << 7)) {
+ rdma_ah_set_grh(ah_attr, NULL,
+ be32_to_cpu(path->tclass_flowlabel) & 0xfffff,
+ path->mgid_index,
+ path->hop_limit,
+ (be32_to_cpu(path->tclass_flowlabel)
+ >> 20) & 0xff);
+ rdma_ah_set_dgid_raw(ah_attr, path->rgid);
}
}
@@ -3472,7 +3475,8 @@ int mlx4_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr
to_rdma_ah_attr(dev, &qp_attr->ah_attr, &context.pri_path);
to_rdma_ah_attr(dev, &qp_attr->alt_ah_attr, &context.alt_path);
qp_attr->alt_pkey_index = context.alt_path.pkey_index & 0x7f;
- qp_attr->alt_port_num = qp_attr->alt_ah_attr.port_num;
+ qp_attr->alt_port_num =
+ rdma_ah_get_port_num(&qp_attr->alt_ah_attr);
}
qp_attr->pkey_index = context.pri_path.pkey_index & 0x7f;